CN203847868U - Coal injection connecting pipe of rotary kiln and expansion joint for coal injection connecting pipe - Google Patents

Coal injection connecting pipe of rotary kiln and expansion joint for coal injection connecting pipe Download PDF

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Publication number
CN203847868U
CN203847868U CN201420269427.7U CN201420269427U CN203847868U CN 203847868 U CN203847868 U CN 203847868U CN 201420269427 U CN201420269427 U CN 201420269427U CN 203847868 U CN203847868 U CN 203847868U
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CN
China
Prior art keywords
sealing flange
slip joint
sleeve
sleeve pipe
rotary kiln
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Active
Application number
CN201420269427.7U
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Chinese (zh)
Inventor
潘伟东
王宏
谭仁军
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Sichuan Lisen Building Material Group Co Ltd
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Sichuan Lisen Building Material Group Co Ltd
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Priority to CN201420269427.7U priority Critical patent/CN203847868U/en
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Publication of CN203847868U publication Critical patent/CN203847868U/en
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Abstract

The utility model discloses a coal injection connecting pipe of a rotary kiln and an expansion joint of the coal injection connecting pipe, particularly relates to an expansion joint for a coal injection system of a rotary kiln, and belongs to the technical field of cement manufacturing devices and mechanical structures. The expansion joint comprises a sleeve I and a sleeve II. The sleeve II is slidably nested in the sleeve I, the outer diameter of the sleeve II is matched with the inner diameter of the sleeve I, a sealing flange I is arranged at an end of the sleeve I, a matched sealing flange II slidably sleeves the sleeve II and is connected with the sealing flange I, and a sealing strip I further sleeves the outer-diameter surface of the sleeve II and is positioned between the sealing flange I and the sealing flange II. The coal injection connecting pipe and the expansion joint have the advantages that the expansion joint is smart and reasonable in design, sealing effects and the maintenance convenience can be guaranteed owing to the sealing strip I which is clamped by the sealing flange I and the sealing flange II, a flexible pipeline in a manufacturing coal supply system of the cement rotary kiln can be replaced by the rigid expansion joint, accordingly, the coal supply system can reliably run, and the stability can be improved owing to joint bearings which are connected into the expansion joint.

Description

A kind of slip joint and adopt this slip joint rotary kiln coal powder injection take over
Technical field
The utility model relates to a kind of slip joint, and particularly a kind of slip joint adopting in rotary kiln coal powder injection system, belongs to cement production device and mechanical structure technical field.
Background technique
The sintering that needs to be sent into rotary kiln and carried out by fuel grog in manufacture of cement, the fuel adopting comprises coal dust.Adopting coal powder injection to take over couples together coal supply main pipeline and coal spraying jet pipeline, in cement rotary kiln is produced, coal spraying jet needs within the specific limits along rail adjustment, therefore in engineering, the general needs that adopt flexible pipe to regulate to adapt to coal spraying jet are taken in coal powder injection, but due to work condition environment and material behavior, in use there is the shortcomings such as easily aging, wearing and tearing in flexible pipe, needs periodic replacement to avoid affecting the normal production of manufacture of cement rotary kiln.
Summary of the invention
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, a kind of rigid telescopic joint in cement rotary kiln, coal supply main pipeline and coal spraying jet pipeline being coupled together is provided, to adapt to the operating mode needs of cement rotary kiln work coal-supply system, avoid the defect of traditional flexible pipe, ensure the stability of coal-supply system running.
The technical solution adopted in the utility model is as follows:
A kind of slip joint, comprise that sleeve pipe I and flip sleeve be located at the sleeve pipe II in sleeve pipe I, described sleeve pipe II external diameter and sleeve pipe I internal diameter are suitable, described sleeve pipe I end is provided with sealing flange I, in described sleeve pipe II, flip sleeve is provided with adaptive sealing flange II, and sealing flange II is connected with sealing flange I, between sealing flange I and sealing flange II, be provided with the Stamping Steel Ribbon I with the outer diametric plane adaptation of sleeve pipe II.In said structure, described sleeve pipe I and sleeve pipe II have formed the slip joint of rigidity, and sealing flange I and sealing flange II are used for inlay card Stamping Steel Ribbon I to improve the sealability of slip joint, in ensureing to use, do not occur leaking.
Further, described sealing flange I and sealing flange II are bolted.With boltsly make to connect reliable, convenient disassembly, is easy to safeguard and changes Stamping Steel Ribbon I.
Further, described Stamping Steel Ribbon I adopts oil immersion asbestos to make.Oil immersion asbestos have good sealing and serviceability, can meet the demand that coal dust is carried.
A kind of rotary kiln coal powder injection that adopts described slip joint is taken over, and comprises described slip joint, and described slip joint one end is connected with coal supply main pipeline, and the other end is connected with coal spraying jet pipeline.By taking over to substitute traditional flexible coal powder injection in described slip joint access rotary kiln coal powder injection system, improve the stability of coal injection system, sleeve pipe II is connected with coal supply main pipeline, and sleeve pipe I is connected the smooth and easy of guarantee conveying with coal spraying jet pipeline.
Further, described slip joint is connected by joint shaft bearing with coal supply main pipeline.
Further, described slip joint is crossed joint shaft bearing with coal spraying jet device for cleaning pipeline and is connected.
Adopt joint shaft bearing to realize the access of slip joint and coal-supply system, make to regulate joint shaft bearing in service can there is certain stable and regulating power, adaptability and the reliability of raising slip joint at coal spraying jet along guide rail.
Further, described joint shaft bearing comprises bearing support and is arranged at spheroid circle adaptive in bearing support, between described bearing support and spheroid circle, is provided with Stamping Steel Ribbon II.The employing of Stamping Steel Ribbon II is guaranteed the sealability of joint shaft bearing.
Further, described Stamping Steel Ribbon II adopts oil immersion asbestos to make.Oil immersion asbestos have good sealing and serviceability, can meet the demand that coal dust is carried.
Further, on described bearing support, be provided with reinforcement cover for seat.That strengthens cover for seat is arranged so that bearing support connecting system is more firm, Mechanical Reliability in ensureing to use.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are: described slip joint design is ingenious rationally, ensured the convenience of sealing effect and maintenance by the Stamping Steel Ribbon I of sealing flange I and the clamping of sealing flange II, the slip joint of this rigidity can be produced the flexible pipe in coal-supply system by place of cement rotary kiln, make the more reliable and maintenance cost reduction of coal-supply system running, described rotary kiln coal powder injection has also adopted joint shaft bearing access in taking in addition, makes stabilizability and better reliability in slip joint adjusting.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A point enlarged diagram in Fig. 1;
Fig. 3 is B point enlarged diagram in Fig. 1.
Mark in figure: 1-sleeve pipe I, 2-sleeve pipe II, 3-sealing flange I, 4-sealing flange II, 5-Stamping Steel Ribbon I, 6-coal supply main pipeline, 7-coal spraying jet pipeline, 8-bearing support, 9-spheroid circle, 10-Stamping Steel Ribbon II, 11-strengthen cover for seat.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
embodiment 1
Slip joint of the present utility model, its structure as shown in Figure 1, comprise that sleeve pipe I 1 and flip sleeve be located at the sleeve pipe II 2 in sleeve pipe I 1, described sleeve pipe II 2 external diameters and sleeve pipe I 1 internal diameter are suitable, described sleeve pipe I 1 end is provided with sealing flange I 3, in described sleeve pipe II 2, flip sleeve is provided with adaptive sealing flange II 4, and sealing flange II 4 is connected with sealing flange I 3, between sealing flange I 3 and sealing flange II 4, be provided with the Stamping Steel Ribbon I 5(structure of the outer diametric plane adaptation of sleeve pipe II 2 as shown in Figure 2); Described sealing flange I 3 is bolted with sealing flange II 4, and described Stamping Steel Ribbon I 5 adopts oil immersion asbestos to make.
Further, for improving the performance-adjustable of slip joint, the two end part of slip joint or wherein an end are provided with joint shaft bearing, described joint shaft bearing comprises bearing support 8 and is arranged at the spheroid circle 9 of bearing support 8 interior adaptations, between described bearing support 8 and spheroid circle 9, be provided with Stamping Steel Ribbon II 10(structure as shown in Figure 3), Stamping Steel Ribbon II 10 adopts oil immersion asbestos to make.
embodiment 2
The rotary kiln coal powder injection of the described slip joint of employing of the present embodiment is taken over, described slip joint comprises that sleeve pipe I 1 and flip sleeve be located at the sleeve pipe II 2 in sleeve pipe I 1, described sleeve pipe II 2 external diameters and sleeve pipe I 1 internal diameter are suitable, described sleeve pipe I 1 end is provided with sealing flange I 3, in described sleeve pipe II 2, flip sleeve is provided with adaptive sealing flange II 4, and sealing flange II 4 is connected with sealing flange I 3 bolts, between sealing flange I 3 and sealing flange II 4, be provided with the Stamping Steel Ribbon I 5(structure of the outer diametric plane adaptation of sleeve pipe II 2 as shown in Figure 2).
Slip joint one end is connected by joint shaft bearing with coal supply main pipeline 6, the other end is connected by joint shaft bearing with coal spraying jet pipeline 7, described joint shaft bearing comprises bearing support 8 and is arranged at the spheroid circle 9 of bearing support 8 interior adaptations, is provided with Stamping Steel Ribbon II 10(structure that oil immersion asbestos make as shown in Figure 3 between described bearing support 8 and spheroid circle 9).
Specifically in the present embodiment, coal supply main pipeline 6 is connected with the joint shaft bearing of sleeve pipe II 2 ends, coal supply main pipeline 6 is connected in spheroid circle 9, and sleeve pipe II 2 is connected on circular bearing support 8, in order to increase the smoothness of coal dust transfer passage, be connected in by reducer union on circular bearing support 8 in sleeve pipe II 2; And the joint shaft bearing of sleeve pipe I 1 side, that sleeve pipe I 1 is connected in spheroid circle 9, coal spraying jet pipeline 7 is connected on bearing support 8 by reducer union, makes whole rotary kiln coal powder injection take over (each node, comprises slip joint) along forming transmission channel smoothly in the direction of coal dust circulation.
For improving the reliability of joint shaft bearing, on bearing support 8, be provided with and strengthen cover for seat 11, the other end of strengthening cover for seat 11 connects with reducer pipe or its corresponding flange plate, realizes the extra support to bearing support 8 and between taking over, and ensures reliability of structure.
Slip joint design of the present utility model is ingenious rationally, ensured the convenience of sealing effect and maintenance by the Stamping Steel Ribbon I of sealing flange I and the clamping of sealing flange II, the slip joint of this rigidity can be produced the flexible pipe in coal-supply system by place of cement rotary kiln, make the more reliable and maintenance cost reduction of coal-supply system running, described rotary kiln coal powder injection has also adopted joint shaft bearing access in taking in addition, makes stability and better reliability in slip joint adjusting.Produce in coal-supply system except being applied to cement rotary kiln, this structure also can be incorporated in the pipeline connection of other shrinking structures, has a wide range of applications space.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (9)

1. a slip joint, it is characterized in that: comprise that sleeve pipe I (1) and flip sleeve be located at the sleeve pipe II (2) in sleeve pipe I (1), described sleeve pipe II (2) external diameter and sleeve pipe I (1) internal diameter are suitable, described sleeve pipe I (1) end is provided with sealing flange I (3), the upper flip sleeve of described sleeve pipe II (2) is provided with adaptive sealing flange II (4), and sealing flange II (4) is connected with sealing flange I (3), between sealing flange I (3) and sealing flange II (4), be provided with the Stamping Steel Ribbon I (5) with the outer diametric plane adaptation of sleeve pipe II (2).
2. slip joint as claimed in claim 1, is characterized in that: described sealing flange I (3) is bolted with sealing flange II (4).
3. slip joint as claimed in claim 1, is characterized in that: described Stamping Steel Ribbon I (5) adopts oil immersion asbestos to make.
4. the rotary kiln coal powder injection of employing slip joint as described in claim 1 or 2 or 3 is taken over, and it is characterized in that: comprise described slip joint, described slip joint one end is connected with coal supply main pipeline (6), and the other end is connected with coal spraying jet pipeline (7).
5. the rotary kiln coal powder injection of the described slip joint of employing as claimed in claim 4 is taken over, and it is characterized in that: described slip joint is connected by joint shaft bearing with coal supply main pipeline (6).
6. the rotary kiln coal powder injection of the described slip joint of employing as claimed in claim 4 is taken over, and it is characterized in that: described slip joint is connected by joint shaft bearing with coal spraying jet pipeline (7).
7. as described in the employing as described in claim 5 or 6, the rotary kiln coal powder injection of slip joint is taken over, it is characterized in that: described joint shaft bearing comprises bearing support (8) and is arranged at spheroid circle (9) adaptive in bearing support (8), between described bearing support (8) and spheroid circle (9), is provided with Stamping Steel Ribbon II (10).
8. the rotary kiln coal powder injection of the described slip joint of employing as claimed in claim 7 is taken over, and it is characterized in that: described Stamping Steel Ribbon II (10) adopts oil immersion asbestos to make.
9. the rotary kiln coal powder injection of the described slip joint of employing as claimed in claim 7 is taken over, and it is characterized in that: on described bearing support (8), be provided with and strengthen cover for seat (11).
CN201420269427.7U 2014-05-26 2014-05-26 Coal injection connecting pipe of rotary kiln and expansion joint for coal injection connecting pipe Active CN203847868U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420269427.7U CN203847868U (en) 2014-05-26 2014-05-26 Coal injection connecting pipe of rotary kiln and expansion joint for coal injection connecting pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420269427.7U CN203847868U (en) 2014-05-26 2014-05-26 Coal injection connecting pipe of rotary kiln and expansion joint for coal injection connecting pipe

Publications (1)

Publication Number Publication Date
CN203847868U true CN203847868U (en) 2014-09-24

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Family Applications (1)

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CN201420269427.7U Active CN203847868U (en) 2014-05-26 2014-05-26 Coal injection connecting pipe of rotary kiln and expansion joint for coal injection connecting pipe

Country Status (1)

Country Link
CN (1) CN203847868U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105864540A (en) * 2016-06-01 2016-08-17 中国航空工业集团公司西安飞机设计研究所 Self-sealing sliding compensation device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105864540A (en) * 2016-06-01 2016-08-17 中国航空工业集团公司西安飞机设计研究所 Self-sealing sliding compensation device
CN105864540B (en) * 2016-06-01 2018-06-05 中国航空工业集团公司西安飞机设计研究所 A kind of self-enclosed slip compensation device

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