CN204535408U - A kind of prevent rotary kiln fall brick and reduce gas consumption build body structure by laying bricks or stones - Google Patents

A kind of prevent rotary kiln fall brick and reduce gas consumption build body structure by laying bricks or stones Download PDF

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Publication number
CN204535408U
CN204535408U CN201520108290.1U CN201520108290U CN204535408U CN 204535408 U CN204535408 U CN 204535408U CN 201520108290 U CN201520108290 U CN 201520108290U CN 204535408 U CN204535408 U CN 204535408U
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CN
China
Prior art keywords
rotary kiln
preformed bricks
bricks
barrier material
brick
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Expired - Fee Related
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CN201520108290.1U
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Chinese (zh)
Inventor
王福有
费鹏
赵雷
康云忠
王鲁毅
李超
王传允
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Angang Steel Co Ltd
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Angang Steel Co Ltd
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Priority to CN201520108290.1U priority Critical patent/CN204535408U/en
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Publication of CN204535408U publication Critical patent/CN204535408U/en
Expired - Fee Related legal-status Critical Current
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  • Muffle Furnaces And Rotary Kilns (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

The utility model provide a kind of prevent rotary kiln fall brick and reduce gas consumption build body structure by laying bricks or stones, comprise preformed bricks, castable anchor studs, composite highly effective heat-barrier material, pour mass, described preformed bricks is weldingly fixed on cylinder of rotary kiln by preformed bricks anchoring piece, pour mass is fixed between two row's preformed bricks by cast, castable anchor studs and cylinder of rotary kiln are welded to connect, pour mass is connected as one by castable anchor studs and cylinder of rotary kiln, and composite highly effective heat-barrier material is placed between pour mass and cylinder of rotary kiln.Compared with prior art, the beneficial effects of the utility model are: the form 1) masonry of Rotary Kiln body structure being designed to preformed bricks composite casting material, can effectively prevent rotary kiln from falling brick during use.2) by the use of composite highly effective heat-barrier material, kliner coating temperature can be reduced by more than 120 DEG C.3) by reducing kliner coating temperature, rotary kiln can be made in the process of producing to reduce gas consumption more than 8%.

Description

A kind of prevent rotary kiln fall brick and reduce gas consumption build body structure by laying bricks or stones
Technical field
The utility model relates to stove and builds by laying bricks or stones and rotary kiln energy-saving and emission-reduction field, particularly relate to a kind of prevent rotary kiln fall brick and reduce gas consumption build body structure by laying bricks or stones.
Background technology
The Main Function of rotary kiln refractory material is the infringement that protection kiln cylinder body is not subject to high-temperature gas and high-temperature material, ensures normally carrying out of production.In actual production, the double-deck laying fireproof bricks of the many employings of lime rotary kiln cylindrical shell, working lining is Mg-Al spinel brick, thermal insulation layer is high-alumina brick, existing problems one are that magnesia-alumina brick is easily drawn lots and dropped, and life cycle is no more than 3 months, when anything crops up therefore must fall brick when stopping kiln, two is kliner coating temperature high (reaching more than 350 DEG C), and kliner coating temperature too high be one of topmost reason causing gas consumption amount large.The reason easily falling brick is that double-layer brick is built by laying bricks or stones, and brick is little so globality is poor, and its shrinkage inconsistent generation gap magnesia-alumina brick drops when the temperature is changed.The reason one that temperature is high causes temperature high owing to using brick masonry contact surface to have gap heat smoke to be easily applied on kliner coating through gap; Reason two is owing to using brick masonry large area to adopt heat-barrier material to make kliner coating temperature high.All the time by reducing one of most important means of gas consumption when Kiln Shell Temperature is the production of reduction rotary kiln.Therefore, prevent cylinder of rotary kiln burning zone from falling brick and reducing kiln cylinder body temperature is the problem that rotary kiln manufacturing enterprise is studied always.
Summary of the invention
The purpose of this utility model be to provide a kind of prevent rotary kiln fall brick and reduce gas consumption build body structure by laying bricks or stones; cylinder of rotary kiln is changed into the form of preformed bricks composite casting material by double-deck laying fireproof bricks mode; guarantee that rotary kiln does not fall brick during use; making for reducing kliner coating temperature simultaneously by composite highly effective heat-barrier material, thus reach the object reducing gas consumption in process of production.
For achieving the above object, the utility model realizes by the following technical solutions:
Prevent rotary kiln fall brick and reduce gas consumption build a body structure by laying bricks or stones, comprise preformed bricks, castable anchor studs, composite highly effective heat-barrier material, pour mass.Described preformed bricks is weldingly fixed on cylinder of rotary kiln by preformed bricks anchoring piece, pour mass is fixed between two row's preformed bricks by cast, castable anchor studs and cylinder of rotary kiln are welded to connect, pour mass is connected as one by castable anchor studs and cylinder of rotary kiln, and composite highly effective heat-barrier material is placed between pour mass and cylinder of rotary kiln.
Described preformed bricks comprises preformed bricks anchoring piece, preformed bricks brick body, composite highly effective heat-barrier material, the both sides of described preformed bricks brick body are respectively arranged with twice groove, it is inner that described preformed bricks anchoring piece main body is fixed on preformed bricks brick body, the tail end of preformed bricks anchoring piece stretches out as the stiff end with cylinder of rotary kiln bottom preformed bricks brick body, and composite highly effective heat-barrier material is fixed on the bottom of preformed bricks.
Described preformed bricks anchoring piece is M type, and respectively there is N number of groove the both sides of M type anchoring piece.
Described composite highly effective heat-barrier material comprises high strength alumina silicate heat-barrier material, nanometer level microporous thermal insulation board, and high strength alumina silicate heat-barrier material is fixed on the top of nanometer level microporous thermal insulation board.
Compared with prior art, the beneficial effects of the utility model are:
1) masonry of Rotary Kiln body structure is designed to the form of preformed bricks composite casting material, can effectively prevents rotary kiln from falling brick during use.
2) by the use of composite highly effective heat-barrier material, kliner coating temperature can be reduced by more than 120 DEG C.
3) by reducing kliner coating temperature, rotary kiln can be made in the process of producing to reduce gas consumption more than 8%.
Accompanying drawing explanation
Fig. 1 is a kind of schematic diagram of building body structure by laying bricks or stones preventing rotary kiln from falling brick and reduction gas consumption of the utility model;
In figure: 1-preformed bricks anchoring piece 2-pour mass 3-preformed bricks brick body 4-cylinder of rotary kiln 5-high strength alumina silicate heat-barrier material 6-nanometer level microporous thermal insulation board 7-castable anchor studs 8-groove
Detailed description of the invention
Below in conjunction with Figure of description, the utility model is described in detail, but it should be noted that enforcement of the present utility model is not limited to following embodiment.
As shown in Figure 1, a kind of prevent rotary kiln fall brick and reduce gas consumption build body structure by laying bricks or stones, comprise preformed bricks, castable anchor studs 7, composite highly effective heat-barrier material, pour mass 2, described preformed bricks is weldingly fixed on cylinder of rotary kiln 4 by preformed bricks anchoring piece 1, pour mass 2 is fixed between two row's preformed bricks by cast, castable anchor studs 7 and cylinder of rotary kiln 4 are welded to connect, pour mass 2 is connected as one by castable anchor studs 7 and cylinder of rotary kiln 4, and composite highly effective heat-barrier material is placed between pour mass 2 and cylinder of rotary kiln 4.
Described preformed bricks comprises preformed bricks anchoring piece 1, preformed bricks brick body 3, composite highly effective heat-barrier material, the both sides of described preformed bricks brick body 3 are respectively arranged with twice groove 8, the main body of described preformed bricks anchoring piece 1 is fixed on preformed bricks brick body 3 inside, the tail end of preformed bricks anchoring piece 1 stretches out as the stiff end with cylinder of rotary kiln 4 bottom preformed bricks brick body 3, and composite highly effective heat-barrier material is fixed on the bottom of preformed bricks.
Described preformed bricks anchoring piece 1 is M type, and respectively there is N (N=1 ~ 2) individual groove the both sides of M type anchoring piece.The design of anchoring piece grooves on two sides can play the effect of reinforcing to preformed bricks.
Can arrange 3 anchoring pieces 1 in every block preformed bricks, during installation, the part of being stretched out by preformed bricks anchoring piece 1 bottom preformed bricks brick body 3 is welded and fixed with cylinder of rotary kiln 4.
The both sides of preformed bricks brick body 3 are respectively arranged with twice groove 8, when pour mass 2 is constructed, castable can be made to infiltrate gradually wherein, ensure that preformed bricks and castable construct after globality.Pour mass 2 after casting and constructing can well be combined into as a whole with preformed bricks, can ensure that in both, any one can not come off during use easily.
Described composite highly effective heat-barrier material comprises high strength alumina silicate heat-barrier material 6, nanometer level microporous thermal insulation board 5, and high strength alumina silicate heat-barrier material 6 is fixed on the top of nanometer level microporous thermal insulation board 5.
High strength alumina silicate heat-barrier material 6 is fixed on the top of nanometer level microporous thermal insulation board 5, its Main Function is the hot-face temperature reducing the nanometer level microporous thermal insulation board 5 in its underpart, makes it to be less than 950 DEG C.
Use nanometer level microporous thermal insulation board 5 for 6 times at high strength alumina silicate heat-barrier material, be characterized under equal working condition, the heat-proof quality of whole composite highly effective heat-barrier material will 3 ~ 4 times than the heat insulation material of tradition.
A kind of construction building process of building body structure by laying bricks or stones preventing rotary kiln from falling brick and reduction gas consumption of the utility model is as follows:
1) preformed bricks is special in advance processes, and when processing preformed bricks, composite highly effective heat-barrier material and preformed bricks anchoring piece 1 can be fixed wherein.
2), during site operation, first preformed bricks is weldingly fixed on cylinder of rotary kiln 4.During welding preformed bricks, on rotary kiln is longitudinal, often reserve the space wide with preformed bricks between row preformed bricks for castable of tiing a knot.
3) castable anchor studs 7 is welded between two row's preformed bricks according to designing requirement.
4) first composite highly effective heat-barrier material is positioned on cylinder of rotary kiln 4, then pours into a mould.
5) in work progress, the height of pour mass 2 is higher than preformed bricks height, can not leave gap during construction, and when preventing from producing, heat smoke enters, and guarantees the effect of heat insulation of building body by laying bricks or stones.

Claims (4)

1. one kind prevent rotary kiln fall brick and reduce gas consumption build body structure by laying bricks or stones, it is characterized in that, comprise preformed bricks, castable anchor studs, composite highly effective heat-barrier material, pour mass, described preformed bricks is weldingly fixed on cylinder of rotary kiln by preformed bricks anchoring piece, pour mass is fixed between two row's preformed bricks by cast, castable anchor studs and cylinder of rotary kiln are welded to connect, pour mass is connected as one by castable anchor studs and cylinder of rotary kiln, and composite highly effective heat-barrier material is placed between pour mass and cylinder of rotary kiln.
2. according to claim 1 a kind of prevent rotary kiln fall brick and reduce gas consumption build body structure by laying bricks or stones, it is characterized in that, described preformed bricks comprises preformed bricks anchoring piece, preformed bricks brick body, composite highly effective heat-barrier material, the both sides of described preformed bricks brick body are respectively arranged with twice groove, it is inner that described preformed bricks anchoring piece main body is fixed on preformed bricks brick body, the tail end of preformed bricks anchoring piece stretches out as the stiff end with cylinder of rotary kiln bottom preformed bricks brick body, and composite highly effective heat-barrier material is fixed on the bottom of preformed bricks.
3. according to claim 2 a kind of prevent rotary kiln fall brick and reduce gas consumption build body structure by laying bricks or stones, it is characterized in that, described preformed bricks anchoring piece is M type, and respectively there is N number of groove the both sides of M type anchoring piece.
4. according to according to claim 1 or claim 2 a kind of prevent rotary kiln fall brick and reduce gas consumption build body structure by laying bricks or stones, it is characterized in that, described composite highly effective heat-barrier material comprises high strength alumina silicate heat-barrier material, nanometer level microporous thermal insulation board, and high strength alumina silicate heat-barrier material is fixed on the top of nanometer level microporous thermal insulation board.
CN201520108290.1U 2015-02-13 2015-02-13 A kind of prevent rotary kiln fall brick and reduce gas consumption build body structure by laying bricks or stones Expired - Fee Related CN204535408U (en)

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CN201520108290.1U CN204535408U (en) 2015-02-13 2015-02-13 A kind of prevent rotary kiln fall brick and reduce gas consumption build body structure by laying bricks or stones

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108955240A (en) * 2018-06-04 2018-12-07 河钢股份有限公司承德分公司 A kind of inside lining building method of large-sized rotary kiln
CN109405535A (en) * 2018-10-15 2019-03-01 江苏宏大特种钢机械厂有限公司 4 points of fixed rotary kiln liner bricks

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108955240A (en) * 2018-06-04 2018-12-07 河钢股份有限公司承德分公司 A kind of inside lining building method of large-sized rotary kiln
CN109405535A (en) * 2018-10-15 2019-03-01 江苏宏大特种钢机械厂有限公司 4 points of fixed rotary kiln liner bricks

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20150805

Termination date: 20210213