CN102645099A - Rivet connection structure of cement thermal equipment - Google Patents
Rivet connection structure of cement thermal equipment Download PDFInfo
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- CN102645099A CN102645099A CN2012101442791A CN201210144279A CN102645099A CN 102645099 A CN102645099 A CN 102645099A CN 2012101442791 A CN2012101442791 A CN 2012101442791A CN 201210144279 A CN201210144279 A CN 201210144279A CN 102645099 A CN102645099 A CN 102645099A
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- crotch
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Abstract
The invention discloses a rivet connection structure of cement thermal equipment. An equipment shell, a calcium silicate board and castable are connected by a rivet, a through hole is arranged on the equipment shell, one end of the rivet is embedded in the calcium silicate board and the castable, the other end of the rivet penetrates through the through hole, and an extended portion after penetrating is vertically bended to form a hook; the hook is in contact with a top surface of the equipment shell, and the rivet and the equipment shell are welded on two sides of the equipment shell. According to the rivet connection structure of the cement thermal equipment, a punching welding mode is utilized to optimize the welding mode between the rivet and the equipment shell, so that the rivet and the equipment shell can be fixedly combined, safe incidents caused by an unfirm rivet welding are effectively prevented, and a safety performance of the connection is improved; and the hook arranged on the rivet is connected on an upper surface of the equipment shell, so that even though a welding point is damaged, an safe incident caused by the fact that the castable falls off and hurts users can be prevented.
Description
Technical field
The invention belongs to the technical field of construction material production equipment, relate to clinker production Thermal Equipment technology, more particularly, the present invention relates to a kind of cement Thermal Equipment rivet syndeton.
Background technology
At present, the clinker production technology is main with the new type nonaqueous cement technology, and the main Thermal Equipment of this technology is preheater, dore furnace, rotary kiln and cooling machine.
Because whole clinker sintering process is mainly accomplished under hot environment, and the mechanical performance of Effect of Hyperthermic Environment Thermal Equipment and service life, therefore must in Thermal Equipment, build refractory material by laying bricks or stones, avoid the erosion of high-temperature gas with protection equipment.
The inner refractory material commonly used of cement Thermal Equipment is mainly refractory brick and castable refractory, and castable refractory mainly is used in the comparatively complicated position of structures such as volute, airduct and equipment turning that is difficult for building by laying bricks or stones refractory brick.
At the position of building castable refractory by laying bricks or stones; Because castable refractory can produce internal stress because of Volume Changes when being heated; Therefore rivet is embedded among the pours; Not only make between castable refractory and the apparatus casing to combine firmly, and can prevent to help improving the result of use and the service life of castable refractory because of Volume Changes produces big crackle.But in the actual production maintenance process, the accident that once occurred causing pours to come off and hurt sb.'s feelings because of rivet welding in equipment top is not firm in a plurality of cement factory.
Its reason is: in the prior art; Rivet and equipment top shell directly weld together towards the one side of refractory material; But in the welding process, must adopt the upwards mode of overhead welding of operating personnel, welding quality is difficult to control; And the expanding with heat and contract with cold and the Volume Changes of castable refractory of rivet in the production process all produces harmful effect to pad.In addition, make equipment produce certain vibrations in the production maintenance process unavoidably, the comprehensive function of multiple factor causes rivet to produce sealing-off.Finally cause taking place the security incident that pours comes off and hurts sb.'s feelings.
Summary of the invention
Problem to be solved by this invention provides a kind of cement Thermal Equipment rivet syndeton, its objective is the welding manner of optimizing between rivet and the apparatus casing, improves the fastness of its connection.
To achieve these goals, the technical scheme taked of the present invention is:
Cement Thermal Equipment rivet syndeton provided by the present invention, described cement Thermal Equipment comprises apparatus casing, calcium silicate board and pours, uses; Described rivet is connected apparatus casing, calcium silicate board and pours; Described apparatus casing is provided with perforation, and described rivet one end is imbedded in described calcium silicate board and the pours, and the other end passes this perforation; And the vertical bending of the part of stretching out after will passing, form crotch; This crotch contacts with the end face of described apparatus casing, and on the two sides of described apparatus casing with described rivet and the capable welding of apparatus casing.
An end opposite with crotch on the described rivet is provided with the reinforcement feet; The body of described reinforcement feet and described rivet is arranged side by side; The end is concordant; One section body with described rivet towards said crotch of described reinforcement feet welds, and then described rivet and one section bending strengthening the feet end is diverged mutually, and plane that its fork forms is vertical with described crotch.
It is orthogonal alternately or form one and be not equal to zero angle that rivet on the described apparatus casing is provided with crotch on a plurality of, adjacent rivets.
The present invention adopts technique scheme; Adopt the mode of piercing welding; Operating personnel carry out downhand welding from the upper surface of apparatus casing, have optimized the welding manner between rivet and the apparatus casing, make strong bonded between rivet and apparatus casing; Effectively avoided having improved the security performance that connects because of the not firm security incident that causes of rivet welding; Because rivet is provided with crotch and is connected on the upper surface of apparatus casing, even damaging, pad the security incident that pours comes off and hurts sb.'s feelings can not take place yet.
Description of drawings
The mark of facing down among expressed content of each width of cloth accompanying drawing of this specification and the figure briefly explains:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the dextrad sketch map of structure shown in Figure 1;
Fig. 3 is the schematic top plan view of structure shown in Figure 1;
Fig. 4 is rivet welding procedure state diagram among the present invention.
Be labeled as among the figure:
1, apparatus casing, 2, rivet, 3, calcium silicate board, 4, pours, 5, strengthen feet, 6, welded seam area.
The specific embodiment
Contrast accompanying drawing below, through the description to embodiment, specific embodiments of the invention is done further detailed explanation, to help those skilled in the art inventive concept of the present invention, technical scheme is had more complete, accurate and deep understanding.
The of the present invention structure expressed like Fig. 1 to Fig. 4; Be a kind of cement Thermal Equipment rivet syndeton; Described cement Thermal Equipment comprises apparatus casing 1, calcium silicate board 3 and pours 4, with described rivet 2 apparatus casing 1, calcium silicate board 3 and pours 4 is connected.Technical scheme of the present invention combines on-site actual situations, systematically analyzes the reason that equipment top rivet drops, and has optimized the welding manner between rivet and the apparatus casing.
Technical scheme of the present invention is mainly used in the rivet construction at the positions such as whirlwind tube top, connection airduct top, dore furnace top and kiln hood cover top in the kiln tail precalcining system.
Directly welded together between rivet and the equipment top shell in the past; But in the welding process; Must adopt the upwards mode of overhead welding, welding quality is difficult to control, and labor intensity of operating personnel is big; And the expanding with heat and contract with cold and the Volume Changes of castable refractory of rivet in the production process all produces harmful effect to pad; In addition, make equipment produce certain vibrations in the production maintenance process unavoidably, the comprehensive function of multiple factor causes rivet to produce sealing-off.
In order to solve the problem that exists at the described present known technology of this specification background technology part and to overcome its defective; Realize optimizing the welding manner between rivet and the apparatus casing; Improve the goal of the invention of the fastness of its connection, the technical scheme that the present invention takes is:
Extremely shown in Figure 4 like Fig. 1; Cement Thermal Equipment rivet syndeton provided by the present invention; On described apparatus casing 1, be provided with perforation, described rivet 2 one ends are imbedded in described calcium silicate board 3 and the pours 4, and the other end passes this perforation; And the vertical bending of the part of stretching out after will passing, form crotch; This crotch contacts with the end face of described apparatus casing 1, and on the two sides of described apparatus casing 1, described rivet 2 is welded with apparatus casing 1.
The welded seam area 6 to the welding of rivet on the top of apparatus casing 1, as shown in Figure 3, weld length and area have improved bonding strength effectively fully.
Technical scheme of the present invention adopts the mode of piercing welding, the welding manner of 1 of rivet 2 and apparatus casing is optimized, and has changed the welding manner that rivet and equipment top shell directly weld together in the prior art; Under the prerequisite that does not influence device structure safety; Earlier at the equipment top of rivet to be welded by rivet 2 diameters with arrange perforate, after the root that will have the rivet 2 of crotch then passes this hole, be welded on the apparatus casing; The mode of overlooking is adopted in welding; Be convenient to operation, the welding capacity of reverse side is corresponding to significantly reduce, and reduces labour intensity.The rivet 2 that has crotch is welded on the upper surface of apparatus casing 1, and two sides welding through apparatus casing 1 has solved the problem that comes off that reasons such as welding is not firm cause, and has avoided the generation of security incident.
Like Fig. 2 and shown in Figure 4; An end opposite with crotch is provided with and strengthens feet 5 on the described rivet 2; Described reinforcement feet 5 is arranged side by side with the body of described rivet 2, and the end is concordant, and one section body with described rivet 2 towards said crotch of described reinforcement feet 5 welds; Then described rivet 2 and one section bending strengthening feet 5 ends are diverged mutually, the plane that its fork forms is vertical with described crotch.
Adopt this organization plan, rivet 2 and calcium silicate board 3 and pours 4 contact-making surfaces are increased greatly, connect more firmly, and bear better and the external force effect in the same way of described crotch.
As shown in Figure 4, the crotch that the rivet 2 on the described apparatus casing 1 is provided with on a plurality of, adjacent rivet 2 is orthogonal alternately; Crotch on the perhaps adjacent rivet 2 forms one and is not equal to zero angle.
Because described rivet 2 and the fork plane of strengthening the formation of feet 5 ends towards different directions, bear the external force effect of all directions better, increase the firm degree of its connection.
The present invention shows that through the experimental verification of the technological transformation project of many clinker production lines and many old production lines it is rational in infrastructure, easy construction, and bonding strength improves greatly.Through tracking and monitoring, use the equipment of this rivet arrangement and method for construction that the rivet sealing-off phenomenon that drops never takes place to the production line practical operation situation.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; Or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (3)
1. cement Thermal Equipment rivet syndeton; Described cement Thermal Equipment comprises apparatus casing (1), calcium silicate board (3) and pours (4); With described rivet (2) apparatus casing (1), calcium silicate board (3) and pours (4) are connected; It is characterized in that: described apparatus casing (1) is provided with perforation, and described rivet (2) one ends are imbedded in described calcium silicate board (3) and the pours (4), and the other end passes this perforation; And the vertical bending of the part of stretching out after will passing, form crotch; This crotch contacts with the end face of described apparatus casing (1), and on the two sides of described apparatus casing (1), described rivet (2) and apparatus casing (1) is welded.
2. according to the described cement Thermal Equipment of claim 1 rivet syndeton; It is characterized in that: described rivet (2) is gone up an end opposite with crotch and is provided with reinforcement feet (5); Described reinforcement feet (5) is arranged side by side with the body of described rivet (2); The end is concordant; One section body with described rivet (2) towards said crotch of described reinforcement feet (5) welds, and then one section bending of described rivet (2) and reinforcement feet (5) end is diverged mutually, and plane that its fork forms is vertical with described crotch.
3. according to claim 1 or 2 described cement Thermal Equipment rivet syndetons; It is characterized in that: it is orthogonal alternately or form one and be not equal to zero angle that the rivet (2) on the described apparatus casing (1) is provided with crotch on a plurality of, adjacent rivet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101442791A CN102645099A (en) | 2012-05-11 | 2012-05-11 | Rivet connection structure of cement thermal equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101442791A CN102645099A (en) | 2012-05-11 | 2012-05-11 | Rivet connection structure of cement thermal equipment |
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| CN102645099A true CN102645099A (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101442791A Pending CN102645099A (en) | 2012-05-11 | 2012-05-11 | Rivet connection structure of cement thermal equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091593A (en) * | 2015-08-23 | 2015-11-25 | 安徽芜湖海螺建筑安装工程有限责任公司 | Heatproof steel anchoring part for cement rotary kiln |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10153390A (en) * | 1996-11-21 | 1998-06-09 | Chichibu Onoda Cement Corp | Metal anchor for indeterminate refractories |
| CN101140140A (en) * | 2007-09-30 | 2008-03-12 | 中国铝业股份有限公司 | Rotary kiln hook nail arrangement method |
| CN201331265Y (en) * | 2008-10-30 | 2009-10-21 | 天瑞集团水泥有限公司 | High-temperature kiln pouring part anchoring piece |
| CN102374784A (en) * | 2011-10-25 | 2012-03-14 | 长兴兴鹰新型耐火建材有限公司 | Wear-resistant prefabricated brick for cement-kiln grate-cooler low wall |
| CN202216519U (en) * | 2011-09-05 | 2012-05-09 | 贵阳铝镁设计研究院有限公司 | Anchor hook for rotary kiln |
| CN202630687U (en) * | 2012-05-11 | 2012-12-26 | 安徽海螺建材设计研究院 | Rivet connection structure of cement thermal apparatus |
-
2012
- 2012-05-11 CN CN2012101442791A patent/CN102645099A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10153390A (en) * | 1996-11-21 | 1998-06-09 | Chichibu Onoda Cement Corp | Metal anchor for indeterminate refractories |
| CN101140140A (en) * | 2007-09-30 | 2008-03-12 | 中国铝业股份有限公司 | Rotary kiln hook nail arrangement method |
| CN201331265Y (en) * | 2008-10-30 | 2009-10-21 | 天瑞集团水泥有限公司 | High-temperature kiln pouring part anchoring piece |
| CN202216519U (en) * | 2011-09-05 | 2012-05-09 | 贵阳铝镁设计研究院有限公司 | Anchor hook for rotary kiln |
| CN102374784A (en) * | 2011-10-25 | 2012-03-14 | 长兴兴鹰新型耐火建材有限公司 | Wear-resistant prefabricated brick for cement-kiln grate-cooler low wall |
| CN202630687U (en) * | 2012-05-11 | 2012-12-26 | 安徽海螺建材设计研究院 | Rivet connection structure of cement thermal apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091593A (en) * | 2015-08-23 | 2015-11-25 | 安徽芜湖海螺建筑安装工程有限责任公司 | Heatproof steel anchoring part for cement rotary kiln |
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Application publication date: 20120822 |