CN215063779U - Hanging piece and preheater inner barrel - Google Patents

Abstract

The utility model discloses a lacing film and pre-heater inner tube belongs to pre-heater technical field. The utility model relates to a hanging piece, which comprises a reinforcing piece and a molding material, wherein the reinforcing piece is arranged inside the molding material; the hanging piece comprises an upper hanging connecting piece, a connecting piece and a lower hanging connecting piece, and the upper hanging connecting piece and the lower hanging connecting piece are connected through the connecting piece; the width of the upper hanging piece is D1, the width of the connecting piece is D2, the width of the lower hanging piece is D3, and the following relations are satisfied by the width of the upper hanging piece, the width of the lower hanging piece, D1, D2 and D3: d1 > D2, and D3 > D2; the two sides of the connecting position of the upper hanging piece and the connecting piece form an upper hanging part, and the two sides of the connecting position of the lower hanging piece and the connecting piece form a lower hanging part; the reinforcing part is applied to the hanging piece of the inner cylinder of the preheater, the upper part hanging strength of the hanging piece of the inner cylinder of the preheater can be improved by the reinforcing part, the strength of the hanging piece of the inner cylinder of the preheater is favorably improved, the service life of the hanging piece of the inner cylinder of the preheater is prolonged, and the splicing mode has better splicing strength.

Description

Hanging piece and preheater inner barrel

Technical Field

The utility model relates to a pre-heater technical field, more specifically say, relate to a reinforcement, lacing film and pre-heater inner tube.

Background

The inner cylinder of the preheater is important equipment for ensuring normal production of cement, in a rotary kiln preheater for producing cement, the preheater needs to provide multistage concurrent heat exchange for material powder and hot air at the tail of a kiln so that the material powder finally enters the rotary kiln to be calcined, the inner cylinder can provide enough dispersion time for the material powder, the working condition environment of the inner cylinder is very severe in the process, the internal temperature of the inner cylinder can reach 1000 ℃, and the inner cylinder needs to bear scouring of high-speed wind dust and corrosion of acid-base oxides and faces high-speed scouring of high temperature, alkali steam, sulfur steam and powder.

The hanging piece preheater inner cylinder is a preheater inner cylinder type which is used more at present, has the advantages of convenient production, convenient assembly and low transportation cost, mainly comprises heat-resistant steel hanging pieces and ceramic hanging pieces, but the existing heat-resistant steel hanging pieces are formed by assembling and splicing castings, and have the advantages of low sealing effect, poor corrosion resistance, high energy consumption and short service cycle; the impact resistance is poor due to the fact that the pure ceramic materials are manufactured and spliced; the inner cylinder of the prior vane preheater has the technical problem of short service life.

The applicant has developed an integrated preheater inner cylinder which has better strength and greatly prolongs the service life of the integrated preheater inner cylinder in the using process, but compared with a hanging piece type inner cylinder, the integrated preheater inner cylinder has longer installation period and higher installation cost.

In addition, the hanging pieces are mostly spliced in the same row and column in the prior art, and the splicing mode may have the technical problems of poor strength and poor sealing property, so that the hanging piece preheater inner cylinder with high splicing strength and long service life is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lacing film and pre-heater inner tube to the not enough technical problem of lacing film formula pre-heater inner tube concatenation intensity and structural strength among the prior art, through carrying out specific design to the lacing film shape to splice the inside reasonable lacing film that is equipped with the reinforcement, solve the not enough technical problem that leads to the life-span weak in lacing film formula pre-heater inner tube concatenation intensity and structural strength among the prior art moreover.

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model relates to a hanging piece, which comprises a reinforcing piece and a molding material, wherein the reinforcing piece is arranged inside the molding material;

the hanging piece comprises an upper hanging connecting piece, a connecting piece and a lower hanging connecting piece, and the upper hanging connecting piece and the lower hanging connecting piece are connected through the connecting piece;

the width of the upper hanging piece is D1, the width of the connecting piece is D2, the width of the lower hanging piece is D3, and the following relations are satisfied by the width of the upper hanging piece, the width of the lower hanging piece, D1, D2 and D3: d1 > D2, and D3 > D2; the two sides of the connecting position of the upper hanging piece and the connecting piece form an upper hanging part, and the two sides of the connecting position of the lower hanging piece and the connecting piece form a lower hanging part; through using the reinforcement to the internal cylinder lacing film of preheater can improve the bulk strength of the internal cylinder lacing film of preheater to adopt foretell lacing film shape, the last lacing film portion of hanging down can be comparatively stable articulate the lower lacing film portion of hanging in last lacing film both sides, and this kind of concatenation mode is favorable to improving the holistic concatenation intensity of the internal cylinder of preheater, and improves the holistic sealing performance of the internal cylinder of preheater.

Preferably, the upper hanging part, the connecting member and the lower hanging part form a recess at one side of the hanging piece.

Preferably, the length of the upper hanging piece is H1, the length of the lower hanging piece is H2, the length of the concave part is H3, and H1, H2 and H3 satisfy the following relations: h1+ H2 is less than or equal to H3, and the hanging in the construction process can be facilitated through the arrangement.

Preferably, the reinforcement includes an upper reinforcement, a connection reinforcement, and a lower reinforcement; go up the reinforcement correspondence and set up in the inside of last joint portion department shaping material, connect the reinforcement correspondence and set up in the inside of connecting piece department shaping material, lower reinforcement correspondence sets up in the inside of joint portion department shaping material down.

Preferably, the upper reinforcing member and the lower reinforcing member are connected by a connecting reinforcing member.

Preferably, the upper reinforcement is laterally arranged in the upper hitching section and/or the lower reinforcement is laterally arranged in the lower hitching section.

Preferably, the upper reinforcing member is provided with an upper reinforcing penetrating part, and/or the connecting reinforcing member is provided with a connecting reinforcing penetrating part, and/or the lower reinforcing member is provided with a lower reinforcing penetrating part, and the molding materials on two sides of the reinforcing member are connected through the upper reinforcing penetrating part and/or the connecting reinforcing penetrating part and/or the lower reinforcing penetrating part.

Preferably, an upper fixing member is arranged on the upper reinforcing member, and/or a connecting portion fixing member is arranged on the connecting reinforcing member, and/or a lower fixing member is arranged on the lower reinforcing member.

The utility model discloses a pre-heater inner tube, including a plurality of lacing films, the lacing film is foretell lacing film, and a plurality of lacing films concatenation forms the pre-heater inner tube.

Preferably, the hanging piece comprises an upper hanging piece and a lower hanging piece, two hanging pieces which are adjacent from top to bottom are the upper hanging piece and the lower hanging piece respectively, the upper hanging piece of the lower hanging piece is matched with the lower hanging piece of the upper hanging piece, and the lower hanging piece is hung on the upper hanging piece through the matching of the upper hanging piece and the lower hanging piece.

Drawings

Fig. 1 is a schematic view of a hanging piece structure of the present invention;

fig. 2 is a cross-sectional view of a hanging piece of the present invention;

FIG. 3 is a schematic view of a hanging piece assembly of the present invention;

FIG. 4 is a schematic view of the inner barrel structure of the present invention;

the reference numerals in the schematic drawings illustrate:

100. hanging a piece; 101. hanging the film; 102. hanging the slices; 103. a top end fixing part of the inner cylinder; 110. hanging a connecting piece; 111. an upper hanging part; 120. a connecting member; 130. a lower hanging part; 131. a lower hanging part;

200. a reinforcement; 210. an upper reinforcement; 211. an upper hooking reinforcement part; 212. an upper reinforcement penetration portion; 220. connecting a reinforcing member; 222. connecting the reinforcing pipe penetrating part; 230. a lower reinforcement; 231. a lower hitch reinforcement portion; 232. a lower reinforcement pipe penetration portion;

301. an expansion part; 311. an upper fixing member; 312. a connecting part fixing member; 313. a lower fixing member;

400. and (5) molding the material.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like, referred to in the present specification, are used for clarity of description only, and are not used to limit the implementable scope, and changes or adjustments of the relative relationship thereof are also regarded as the implementable scope of the present invention without substantial changes in the technical content; in addition, the embodiments of the present invention are not independent of each other, but can be combined.

Example 1

The hanging piece of the embodiment comprises a reinforcing piece 200 and a molding material 400, wherein the reinforcing piece 200 is arranged inside the molding material 400; the hanging piece comprises an upper hanging piece 110, a connecting piece 120 and a lower hanging piece 130, wherein the upper hanging piece 110 is connected with the lower hanging piece 130 through the connecting piece 120; the width of the upper hanging piece 110 is D1, the width of the connecting piece 120 is D2, the width of the lower hanging piece 130 is D3, and D1, D2 and D3 satisfy the following relations: d1 > D2, and D3 > D2; upper hanging parts 111 are formed at both sides of the position where the upper hanging member 110 is connected to the connecting member 120, and lower hanging parts 131 are formed at both sides of the position where the lower hanging member 130 is connected to the connecting member 120; through using the reinforcement to the internal cylinder lacing film of preheater can improve the bulk strength of the internal cylinder lacing film of preheater to adopt foretell lacing film shape, the last lacing film portion of hanging down can be comparatively stable articulate the lower lacing film portion of hanging in last lacing film both sides, and this kind of concatenation mode is favorable to improving the holistic concatenation intensity of the internal cylinder of preheater, and improves the holistic sealing performance of the internal cylinder of preheater.

In addition, the upper hanging portion 111, the connector 120, and the lower hanging portion 131 form one recess on one side of the hanging piece. The length of the upper hanging piece 110 is H1, the length of the lower hanging piece 130 is H2, the length of the concave part is H3, and H1, H2 and H3 satisfy the following relations: h1+ H2 is not more than H3, and the arrangement is favorable for improving the convenience of hanging the hanging piece in the splicing process.

The reinforcement 200 includes an upper reinforcement 210, a connection reinforcement 220, and a lower reinforcement 230; the upper reinforcing member 210 is correspondingly disposed inside the molding material 400 at the upper hanging portion 111, the connecting reinforcing member 220 is correspondingly disposed inside the molding material 400 at the connecting member 120, and the lower reinforcing member 230 is correspondingly disposed inside the molding material 400 at the lower hanging portion 131. The upper reinforcement 210 and the lower reinforcement 230 are connected by a connection reinforcement 220. The upper reinforcement member 210 is transversely disposed in the upper hooking portion 111, and/or the lower reinforcement member 230 is transversely disposed in the lower hooking portion 131. The upper reinforcing member 210 is provided with an upper reinforcing through part 212, and/or the connecting reinforcing through part 222 is provided on the connecting reinforcing member 220, and/or the lower reinforcing through part 232 is provided on the lower reinforcing member 230, and the molding materials 400 at both sides of the reinforcing member 200 are connected through the upper reinforcing through part 212 and/or the connecting reinforcing through part 222 and/or the lower reinforcing through part 232. The upper reinforcement 210 is provided with an upper fixing member 311, and/or the connection reinforcement 220 is provided with a connection portion fixing member 312, and/or the lower reinforcement 230 is provided with a lower fixing member 313.

The inner cylinder of the preheater in the embodiment comprises a plurality of hanging pieces 100, the hanging piece 100 is the hanging piece 100 in the embodiment, and the plurality of hanging pieces 100 are spliced to form the inner cylinder of the preheater.

The hanging pieces comprise upper hanging pieces 110 and lower hanging pieces 130, any two hanging pieces 100 which are adjacent up and down are respectively an upper hanging piece 101 and a lower hanging piece 102, the upper hanging pieces 110 of the lower hanging pieces 102 are matched with the lower hanging pieces 130 of the upper hanging pieces 101, and the lower hanging pieces 102 are hung on the upper hanging pieces 101 through the matching of the upper hanging pieces 110 and the lower hanging pieces 130. Fig. 4 shows a partial schematic splicing view of an inner cylinder of a preheater according to this embodiment, which is shown in fig. 3; the hanging piece 100 is formed by splicing a plurality of hanging pieces 100, the hanging pieces 100 can be produced in a factory and then transported to a construction site for splicing, and the production, transportation and construction processes are convenient.

The hanging piece in the embodiment is used for a preheater inner cylinder formed by splicing a plurality of hanging pieces, the hanging piece 100 comprises a reinforcing piece 200 and a molding material 400, and the reinforcing piece 200 is arranged in the molding material 400; it should be noted that the molding material 400 includes a material that can be dried or fired to become a solid from a generally fluid or flexible castable material, such as a conventional refractory castable material, or a ceramic, and all of them are flowable or flexible before molding and can be fixed and molded after drying or firing.

In addition, the reinforcing member 200 in this embodiment can reinforce the internal structure of the molding material 400 in the molding material 400, in the specific production process of the hanging piece of this embodiment, the reinforcing member 200 can be placed in a mold for producing the hanging piece, then the molding material 400 in the flowing state or the flexible state is placed in the mold to be in the shape of the mold, and then the molding material is cured, for example, weathered and dried, and fired, etc., the molding material 400 in this embodiment is a casting material, and after the casting material is poured into the mold, the casting material is placed in a heating device for firing and molding, and finally the hanging piece in this embodiment is formed.

The hanging piece 100 comprises an upper hanging piece 110 and a connecting piece 120, wherein the connecting piece 120 is connected with the upper hanging piece 110, and the connecting piece 120 is arranged below the upper hanging piece 110; the lower part of the upper hanging piece 110 is provided with an upper hanging part 111; it should be noted that the upper hanging piece 110 is used to integrally hang the hanging piece 100 on the adjacent hanging piece 100 above or hang at the inner cylinder top end fixing part 103, and a part for hanging the inner cylinder of the preheater is reserved in the inner cylinder of the preheater indicated by the inner cylinder top end fixing part 103, which is a fixing ring in this embodiment as shown in fig. 3.

The hanging piece 100 of the embodiment further comprises a lower hanging piece 130, the lower hanging piece 130 is connected to the bottom end of the connecting piece 120, and a lower hanging part 131 is arranged at the upper part of the lower hanging piece 130; in this embodiment, the hanging piece 100 is provided with upper hanging parts 111 on both sides of the upper hanging part 110, and the hanging piece 100 is provided with lower hanging parts 131 on both sides of the lower hanging part 130. As shown in fig. 2, the hanging pieces 100 include an upper hanging piece 110 and a lower hanging piece 130, any two hanging pieces 100 adjacent up and down are respectively an upper hanging piece 101 and a lower hanging piece 102, the upper hanging piece 110 of the lower hanging piece 102 is arranged in a matching manner with the lower hanging piece 130 of the upper hanging piece 101, the lower hanging piece 102 is hung on the upper hanging piece 101 through the matching of the upper hanging piece 110 and the lower hanging piece 130, and the inner cylinder of the preheater shown in fig. 4 is finally formed by splicing in the same manner.

Through the splicing mode, the periphery of each hanging piece except the hanging piece 100 at the topmost end and the bottommost end is mutually fixed by 4 hanging pieces 100, so that the fixing mode of each hanging piece is very stable, and the hanging piece has very good sealing performance.

The reinforcing member of the embodiment is used for the preheater inner cylinder hanging piece 100, and comprises an upper reinforcing member 210 and a connecting reinforcing member 220, wherein the lower part of the upper reinforcing member 210 is an upper hanging reinforcing part 211, and the top end of the connecting reinforcing member 220 is connected with the upper reinforcing part 210. Through set up reinforcement 200 in shaping material 400 for the whole higher intensity that has of lacing film 100, it is not fragile under the suspension state, has prolonged life. The reinforcing member may be made of metal, or any other material having high rigidity, such as metal ceramic.

The upper reinforcing member 210 of the reinforcing member is correspondingly arranged inside the molding compound 400 at the upper hanging part 110, and the connecting reinforcing member 220 of the reinforcing member is correspondingly arranged inside the molding compound 400 at the connecting part 120. Go up reinforcement 210 and can consolidate last hanger 110 department shaping material 400, connect reinforcement 220 and can consolidate connecting piece 120 department shaping material 400, more importantly, go up reinforcement 210 and be connected reinforcement 220 and link to each other, it can strengthen the joint strength between hanger 110 department shaping material 400 and connecting piece 120 department shaping material 400, and go up reinforcement 210 and articulate the reinforcement 211 and can carry out effectual reinforcement to the shaping material 400 of last hookup portion 111, make lacing film 100 have excellent suspension strength, and then make the whole excellent suspension strength that has of preheater inner tube, the life of extension preheater inner tube.

In this embodiment, still include lower reinforcement 230, the upper portion of lower reinforcement 230 is provided with hangs reinforcement 231 down, the bottom of connecting reinforcement 220 is continuous with lower reinforcement 230, and lower reinforcement 230 can carry out effectual reinforcement to the molding compound 400 of hanging portion 131 department down, is favorable to further improving the hanging intensity of lacing film 100. The connection strength between the lower reinforcement 230 and the upper reinforcement 210 can be further improved by the connection reinforcement 220, so that the connection strength between the connection piece 120 of the hanging piece 100 and the upper hanging piece 110 and the lower hanging piece 130 is improved, and the connection piece 120 is effectively prevented from being broken under the action of gravity. The connection reinforcement member 220 has an elongated shape, and/or a plate shape and/or a bar shape, and in this embodiment, an elongated shape is used.

In addition, be provided with the portion of running through on the reinforcement 200, the shaping material 400 of reinforcement 200 both sides passes through the portion of running through links to each other, through the setting of portion of running through for shaping material 400 joint in portion of running through department effectively improves the intensive effect of reinforcement 200 to shaping material 400. Specifically, in this embodiment, as shown in fig. 2, the upper reinforcing member 210 is provided with an upper reinforcing penetration portion 212, the connection reinforcing member 220 is provided with a connection reinforcing penetration portion 222, and the lower reinforcing member 230 is provided with a lower reinforcing penetration portion 232.

Moreover, a fixing member may be disposed on the reinforcing member 200, the fixing member protrudes from the surface of the reinforcing member 200, and the arrangement of the fixing member may further improve the direct bonding performance between the molding material 400 and the reinforcing member 200, thereby effectively preventing the molding material 400 from falling off. Specifically, in this embodiment, the upper reinforcing member 210 is provided with an upper fixing member 311, the connection reinforcing member 220 is provided with a connection portion fixing member 312, and the lower reinforcing member 230 is provided with a lower fixing member 313.

An expansion part 301 is arranged between the reinforcing piece 200 and the molding material 400, and the expansion part 301 allows the reinforcing piece 200 not to extrude the molding material 400 after being expanded. In the hanger sheet production process, a metal product is a form that the reinforcing member 200 can adopt, but the metal product is easy to generate a thermal expansion effect, is easy to expand when being fired, and is also easy to expand when other castable is fired, and through the arrangement of the expansion part 301, such as a gap, the castable is prevented from generating internal damage due to internal stress when being expanded, so that the quality of the hanger sheet 100 is ensured. It should be noted, however, that the voids are only one embodiment and other means of avoiding expansion damage that would have the same effect are within the scope of this disclosure.

It is required to explain, the utility model discloses mention the cement processing field in the background art, but the utility model discloses a scope is not restricted to cement preheater inner tube, and other preheater inner tubes that can reference the field all should the utility model discloses an in the protection range.

The invention has been described above in detail with reference to specific exemplary embodiments. It will, however, be understood that various modifications and changes may be made without departing from the scope of the invention as defined by the appended claims. The detailed description and drawings are to be regarded as illustrative rather than restrictive, and any such modifications and variations are intended to be included within the scope of the present invention as described herein. Furthermore, the background is intended to illustrate the present state of the art and the meaning of the present development and is not intended to limit the present invention or the present application and the field of application of the present invention.

More specifically, although exemplary embodiments of the invention have been described herein, the invention is not limited to these embodiments, but includes any and all embodiments modified, omitted, such as combinations between various embodiments, adapted changes and/or substitutions as would be recognized by those skilled in the art from the foregoing detailed description. The limitations in the claims are to be interpreted broadly based the language employed in the claims and not limited to examples described in the foregoing detailed description or during the prosecution of the application, which examples are to be construed as non-exclusive. Any steps recited in any method or process claims may be executed in any order and are not limited to the order presented in the claims. The scope of the invention should, therefore, be determined only by the appended claims and their legal equivalents, rather than by the descriptions and examples given above.

Claims (10)

1. The hanging piece is characterized by comprising a reinforcing piece (200) and a molding material (400), wherein the reinforcing piece (200) is arranged inside the molding material (400);

the hanging piece comprises an upper hanging piece (110), a connecting piece (120) and a lower hanging piece (130), wherein the upper hanging piece (110) is connected with the lower hanging piece (130) through the connecting piece (120);

the width of the upper hanging piece (110) is D1, the width of the connecting piece (120) is D2, the width of the lower hanging piece (130) is D3, and D1, D2 and D3 satisfy the following relations: d1 > D2, and D3 > D2; the upper hanging parts (111) are formed on two sides of the connecting position of the upper hanging piece (110) and the connecting piece (120), and the lower hanging parts (131) are formed on two sides of the connecting position of the lower hanging piece (130) and the connecting piece (120).

2. A hanger plate according to claim 1, wherein the upper hanger part (111), the connecting member (120) and the lower hanger part (131) form a recess on one side of the hanger plate.

3. Hanging tag as claimed in claim 2, characterized in that said upper hanger (110) has a length H1, said lower hanger (130) has a length H2, and said recesses have a length H3, H1, H2 and H3 satisfy the following relations: h1+ H2 is less than or equal to H3.

4. Hanging piece according to claim 1, characterized in that said reinforcement (200) comprises an upper reinforcement (210), a connection reinforcement (220) and a lower reinforcement (230); the upper reinforcing piece (210) is correspondingly arranged inside the molding material (400) at the upper hanging part (111), the connecting reinforcing piece (220) is correspondingly arranged inside the molding material (400) at the connecting piece (120), and the lower reinforcing piece (230) is correspondingly arranged inside the molding material (400) at the lower hanging part (131).

5. Hanging piece according to claim 4, characterized in that the upper reinforcement (210) and the lower reinforcement (230) are connected by means of a connecting reinforcement (220).

6. Hanging piece according to claim 4, characterized in that the upper reinforcement (210) is arranged laterally in the upper hanging portion (111) and/or the lower reinforcement (230) is arranged laterally in the lower hanging portion (131).

7. Hanging piece according to claim 4, characterized in that the upper reinforcement (210) is provided with upper reinforcement through-going portions (212) and/or the connection reinforcement (220) is provided with connection reinforcement through-going portions (222) and/or the lower reinforcement (230) is provided with lower reinforcement through-going portions (232), and the molding compound (400) on both sides of the reinforcement (200) is connected through the upper reinforcement through-going portions (212) and/or the connection reinforcement through-going portions (222) and/or the lower reinforcement through-going portions (232).

8. Hanging piece according to claim 4, characterized in that the upper reinforcement (210) is provided with an upper fastening (311) and/or the connection reinforcement (220) is provided with a connection part fastening (312) and/or the lower reinforcement (230) is provided with a lower fastening (313).

9. A preheater inner cylinder, characterized in that, includes a plurality of lacing films (100), lacing film (100) is a lacing film (100) of any one of claims 1-9, a plurality of lacing films (100) splice and form the preheater inner cylinder.

10. A preheater inner cylinder as claimed in claim 9, wherein the hanging pieces comprise an upper hanging piece (110) and a lower hanging piece (130), any two hanging pieces (100) adjacent up and down are respectively an upper hanging piece (101) and a lower hanging piece (102), the upper hanging piece (110) of the lower hanging piece (102) is matched with the lower hanging piece (130) of the upper hanging piece (101), and the lower hanging piece (102) is hung on the upper hanging piece (101) through the matching of the upper hanging piece (110) and the lower hanging piece (130).

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