CN201828146U - Integral fireproofing material hanging arch top structure - Google Patents
Integral fireproofing material hanging arch top structure Download PDFInfo
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- CN201828146U CN201828146U CN2010202939948U CN201020293994U CN201828146U CN 201828146 U CN201828146 U CN 201828146U CN 2010202939948 U CN2010202939948 U CN 2010202939948U CN 201020293994 U CN201020293994 U CN 201020293994U CN 201828146 U CN201828146 U CN 201828146U
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- tooth
- anchoring piece
- roof construction
- refractory material
- globality
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Abstract
The utility model discloses an integral fireproofing material hanging arch top structure which adopts a ceramic anchor to replace a metal anchor to prevent the anchor from being oxidized, and adopts a light fireproofing material (an insulating fireproof layer) to replace part of a heavy fireproofing material (a dense pouring material layer) to lighten the arch top weight and strengthen the insulating effect, so that the integral structure is stable, no hot blast short circuit occurs in a kiln, the anchor is not oxidized, the radiating loss is less, and the service life is greatly prolonged.
Description
Technical field
The utility model relates to and is used for the flat arch of hanging of hot industry kiln, particularly, is that a kind of globality refractory material is hung the arch roof construction.
Background technology
Industrial Stoves are the equipment in order to calcining materials or burnt product that is built into refractory material, and its arch top is main adopts the arc vault construction or adopt unshape refractory to make the flat arch that hangs of globality.The Industrial Stoves of arc vault construction have good stable because of vault construction, but along with the span of kiln increases, the corresponding increase of height of arch, will occur than large space between the goods in arch and the kiln, the less thermal current of proportion constantly rises in the kiln, the thermal current that kiln temperature is the highest rises to this space and then can flow to the kiln tail, expel from kiln, and causes the hot blast short circuit; Because the temperature difference at position is big up and down in the kiln, the thermal current that calorific value is the highest in the kiln and by directly contact and heat exchange is poor between the burned product had not only been wasted fuel but also had been influenced and fired quality.Adopt unshape refractory to make poor, the problem such as waste raw material of hot blast short circuit, heat exchange that flat arch can avoid the arc vault construction to bring of hanging of globality, but shortcoming is to need to adopt a large amount of anchoring pieces to strengthen the stability of flat arch, construction is complicated; Simultaneously, existing anchoring piece multiselect heat resisting steel anchoring piece, it has two subject matters: in (1) application process the surface of heat resisting steel anchoring piece gradually oxidation form and to have certain thickness iron oxide, iron oxide is cumulative to make that the volume of heat resisting steel anchoring piece is increasing and the refractory material around the anchoring piece produced the increasing bulbs of pressure, the intensity that has surpassed refractory material when pressure, refractory material around the anchoring piece will be cracked, and the kiln top then easily can collapse thereupon; (2) gripper of anchoring piece has only the firmly fine and close refractory material of anchor could transmit the suffered gravity of refractory material, the stability that keeps the kiln roof construction, if after compact refractory material, laid fireclay insulating refractory again, then the temperature difference of compact refractory material hot junction and cold junction is very little and temperature difference fireclay insulating refractory hot junction and cold junction is very big, the mean temperature height of compact refractory material like this, being deep into metal anchorage in the compact refractory material very easily oxidation takes place and problem in (1) takes place, therefore use metal anchorage just should not overlay heat-barrier material on the kiln top again, thereby the heat insulation effect of kiln is not good, and the thermal efficiency of kiln is low.
The utility model content
The purpose of this utility model is to provide a kind of globality refractory material to hang the arch roof construction, and it is with low cost, easy construction, and no hot blast short circuit, the non-oxidation phenomenon, good stability, efficiency of heating surface height, prolong service life greatly.
Concrete technical scheme of the present utility model is:
A kind of globality refractory material is hung the arch roof construction, comprise crossbeam and kiln top refractory masses, also comprise ceramic anchoring piece, metal suspender member, I-steel or channel-section steel, the upper end close plating suspender member of ceramic anchoring piece, the upper end of metal suspender member hangs on I-steel or the channel-section steel, and I-steel or channel-section steel frame are on crossbeam; Kiln top refractory masses is lived in the lower end anchoring of ceramic anchoring piece.Thus, the gravity that kiln top refractory masses produces will be delivered on the crossbeam by ceramic anchoring piece, metal suspender member, I-steel or channel-section steel successively, guarantee integrally-built stability; Simultaneously, metal suspender member, I-steel or channel-section steel and crossbeam all outside the refractory masses of kiln top and metal material do not watered material feeding and buried, the temperature that is passed to these parts is very low, oxidation is also very slow, therefore can select cheap common iron for use fully, the brickwork cost reduces greatly.
Described kiln top refractory masses can all be made up of the densification cast bed of material; Preferably form jointly by the densification cast bed of material of lower floor and the fireclay insulating refractory layer on upper strata.The common design that exists of fireclay insulating refractory layer on the densification cast bed of material of lower floor and upper strata, make ceramic anchoring piece when anchor is lived compact refractory material (the fine and close cast bed of material) transmission kiln top refractory masses generation gravity, strengthen the effect of heat-insulation and heat-preservation, improved the thermal efficiency of kiln.
The long column shape object that described ceramic anchoring piece preferred heights is 250～450mm, and be rectangular arrangement each other.When kiln top refractory masses all was made up of the densification cast bed of material, the spacing between the ceramic anchoring piece was preferably length * wide=300mm * 200mm; When kiln top refractory masses was made of jointly the fireclay insulating refractory layer on the densification of the lower floor cast bed of material and upper strata, the spacing between the ceramic anchoring piece was preferably length * wide=500mm * 300mm.
Further, the both sides, front and back of described ceramic anchoring piece are the microprotrusion that is no more than 2mm, in order to increase the frictional force between ceramic anchoring piece and the quilt kiln top refractory masses of hanging; The right and left of ceramic anchoring piece comprise uppermost a pair of hang tooth and under some to the anchoring tooth.
The described preferred high 20～30mm of tooth that hangs, the width 30～40mm of tooth upper flat part, transverse tooth thickness 30～40mm, the tooth both sides have the corner of 15 ° of arctg (5/20) ≈.Hang tooth and be used to hang the metal suspender member, the gravity that ceramic anchoring piece is suffered upwards transmits.
The preferred high 20～30mm of described anchoring tooth, the width 20～30mm of tooth upper flat part, the width 20～30mm of the whole branch of lower flat, there are the corner of 15 ° of arctg (5/20) ≈, the tooth pitch 50～70mm between the adjacent anchor permanent tooth in the tooth both sides.The anchoring tooth is used for anchoring kiln top refractory masses, and the weight transfer that kiln top refractory masses is suffered is on ceramic anchoring piece.
Hang the corner of tooth and anchoring tooth and all play the effect of being convenient to the demoulding when making.
Globality refractory material of the present utility model is hung arch roof construction modern design, with low cost, easy construction, adopt ceramic anchoring piece to replace metal anchorage to avoid the oxidation of anchoring piece, adopt lightweight refracrory (fireclay insulating refractory layer) instead of part heavy refractory material (the fine and close cast bed of material) to alleviate arch top weight and strengthened effect of heat insulation, thereby overall structure is stable, no hot blast short circuit in the kiln, anchoring piece non-oxidation, radiation loss are few, prolong service life greatly.
Description of drawings
With embodiment the utility model is described in further detail with reference to the accompanying drawings below.
Fig. 1 is the composition structural representation that globality refractory material described in the utility model is hung the arch roof construction;
Fig. 2 is the local enlarged diagram of ceramic anchoring piece among Fig. 1.
Among the figure: 1, crossbeam; 2, kiln top refractory masses; 3, ceramic anchoring piece; 4, metal suspender member; 5, I-steel (or channel-section steel); 6, the fine and close cast bed of material; 7, fireclay insulating refractory layer; 8, hang tooth; 9, anchoring tooth.
The specific embodiment
As shown in Figure 1, provide a kind of globality refractory material described in the utility model and hung an embodiment of arch roof construction, it comprises crossbeam 1 and kiln top refractory masses 2, also comprise ceramic anchoring piece 3, metal suspender member 4, I-steel 5, the upper end close plating suspender member 4 of ceramic anchoring piece 3, the upper end of metal suspender member 4 hangs on the I- steel 5, and 5 in I-steel is on crossbeam 1; Kiln top refractory masses 2 is lived in the lower end anchoring of ceramic anchoring piece 3; Kiln top refractory masses 2 is made of jointly the densification cast bed of material 6 of lower floor and the fireclay insulating refractory layer 7 on upper strata.Thus, ceramic anchoring piece 3 anchor live compact refractory material (fine and close cast the bed of material 6) and the weight transfer that by ceramic anchoring piece 3, metal suspender member 4, I-steel 5 kiln top refractory masses 2 produced successively in the crossbeam 1, also by the fireclay insulating refractory layer strengthened heat-insulation and heat-preservation effect, improved the thermal efficiency of kiln, and the temperature that is delivered on metal suspender member 4, I-steel 5, the crossbeam 1 is very low, oxidation is also very slow, these parts select for use cheap common iron to get final product, and production cost reduces greatly.
As shown in Figure 2, be the local enlarged diagram of ceramic anchoring piece among Fig. 13, it is highly to be the long column shape object of 330mm, and the both sides, front and back are the microprotrusion of 2mm, in order to increase the frictional force between ceramic anchoring piece 3 and the quilt kiln top refractory masses of hanging 2; The right and left comprise uppermost a pair of hang tooth 8 and under five pairs of anchoring teeth 9.The described tooth 8 high 20～30mm that hang, the width 30～40mm of tooth upper flat part, transverse tooth thickness 30～40mm, the tooth both sides have the corner of 15 ° of arctg (5/20) ≈, are used to hang metal suspender member 4, and ceramic anchoring piece 3 suffered gravity are upwards transmitted; Described anchoring tooth 9 high 20～30mm, width 20～the 30mm of tooth upper flat part, width 20～the 30mm of the whole branch of lower flat, there is the corner of 15 ° of arctg (5/20) ≈ on the tooth both sides, tooth pitch 50～70mm between the adjacent anchor permanent tooth 9, be used for anchoring kiln top refractory masses 2, refractory masses 2 suffered weight transfer in kiln top are arrived on the ceramic anchoring piece 3.Hang the corner of tooth 8 and anchoring tooth 9 and all play the effect of being convenient to the demoulding when making.
The globality refractory material of present embodiment is hung the arch roof construction be applied to two sections of 2000t/d new type nonaqueous cement kiln grate coolers, use 208 ceramic anchoring pieces 3 altogether, 1.664 tons of ceramic anchoring piece gross weights (weight of every ceramic anchoring piece 3 is 8Kg), by price is 5000 yuan/ton, once purchases 8320 yuan of ceramic anchoring piece 3 costs; Using 0.15 ton of common iron, is 3500 yuan/ton by price, once purchases 525 yuan of steel costs; Use 9.43 tons of castable refractories, once 33005 yuan of material feeding costs are watered in buying.Amount to, once purchase 41855 yuan of Master Costs, or 523 yuan/M
2Year (reaching service life more than 5 years).
And in the past in two sections of 2000t/d new type nonaqueous cement kiln grate coolers, use the Y type heat resisting steel anchoring piece of 320 diameter 12mm altogether, 0.126 ton (weight of every Y type heat resisting steel anchoring piece is 0.393Kg to Y type heat resisting steel anchoring piece gross weight, by 25000 yuan/ton of the prices of heat resisting steel, 3150 yuan of buying heat resisting steel costs; Using 10.8 tons of castable refractories, is 3500 yuan/ton by price, and 37800 yuan of material feeding costs are watered in buying.Amount to and once purchase 40950 yuan of Master Costs, or 1706 yuan/M
2Year (1.5 years average lives).
Thus, adopt buying expenses of material of ceramic anchoring piece 3 and adopt metal anchorage suitable, but owing to be longer than metal anchorage greatly the service life of ceramic anchoring piece 3, thereby can obviously reduce the expense of building the kiln material.Prolong the operating expenses of saving if consider the life-span, reduce the loss that stops kiln, stopping production, and the energy-saving effect that replaces dense material to obtain with a part of heat-barrier material, then the globality refractory material of present embodiment is hung the arch roof construction and can be obtained remarkable economic efficiency.
Claims (9)
1. a globality refractory material is hung the arch roof construction, comprise crossbeam and kiln top refractory masses, it is characterized in that: also comprise ceramic anchoring piece, metal suspender member, I-steel or channel-section steel, the upper end close plating suspender member of ceramic anchoring piece, the upper end of metal suspender member hangs on I-steel or the channel-section steel, and I-steel or channel-section steel frame are on crossbeam; Kiln top refractory masses is lived in the lower end anchoring of ceramic anchoring piece.
2. globality refractory material according to claim 1 is hung the arch roof construction, it is characterized in that: described kiln top refractory masses all is made up of the densification cast bed of material.
3. globality refractory material according to claim 1 is hung the arch roof construction, it is characterized in that: described kiln top refractory masses is made of jointly the densification cast bed of material of lower floor and the fireclay insulating refractory layer on upper strata.
4. hang the arch roof construction according to any described globality refractory material of claim 1～3, it is characterized in that: described ceramic anchoring piece is highly to be the long column shape object of 250～450mm, and is rectangular arrangement each other.
5. hang the arch roof construction according to any described globality refractory material of claim 1～3, it is characterized in that: the both sides, front and back of described ceramic anchoring piece are the microprotrusion that is no more than 2mm, the right and left comprise uppermost a pair of hang tooth and under some to the anchoring tooth.
6. globality refractory material according to claim 2 is hung the arch roof construction, it is characterized in that: the spacing between the described ceramic anchoring piece is length * wide=300mm * 200mm.
7. globality refractory material according to claim 3 is hung the arch roof construction, it is characterized in that: the spacing between the described ceramic anchoring piece is length * wide=500mm * 300mm.
8. globality refractory material according to claim 5 is hung the arch roof construction, it is characterized in that: the described tooth depth 20～30mm that hangs, and the width 30～40mm of tooth upper flat part, transverse tooth thickness 30～40mm, the tooth both sides have the corner of 15 ° of arctg (5/20) ≈.
9. globality refractory material according to claim 5 is hung the arch roof construction, it is characterized in that: described anchoring tooth depth 20～30mm, width 20～the 30mm of tooth upper flat part, width 20～the 30mm of the whole branch of lower flat, there are the corner of 15 ° of arctg (5/20) ≈, the tooth pitch 50～70mm between the adjacent anchor permanent tooth in the tooth both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202939948U CN201828146U (en) | 2010-08-17 | 2010-08-17 | Integral fireproofing material hanging arch top structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202939948U CN201828146U (en) | 2010-08-17 | 2010-08-17 | Integral fireproofing material hanging arch top structure |
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| CN201828146U true CN201828146U (en) | 2011-05-11 |
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| CN2010202939948U Expired - Fee Related CN201828146U (en) | 2010-08-17 | 2010-08-17 | Integral fireproofing material hanging arch top structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809282A (en) * | 2012-08-16 | 2012-12-05 | 芜湖新兴铸管有限责任公司 | Refractory lining building structure for front end and back end of rotary kiln for pellet production |
-
2010
- 2010-08-17 CN CN2010202939948U patent/CN201828146U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809282A (en) * | 2012-08-16 | 2012-12-05 | 芜湖新兴铸管有限责任公司 | Refractory lining building structure for front end and back end of rotary kiln for pellet production |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20160817 |
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| CF01 | Termination of patent right due to non-payment of annual fee |