CN202992524U - Wear-resistant heat-insulating structure of high-temperature flue pipeline - Google Patents
Wear-resistant heat-insulating structure of high-temperature flue pipeline Download PDFInfo
- Publication number
- CN202992524U CN202992524U CN 201220626084 CN201220626084U CN202992524U CN 202992524 U CN202992524 U CN 202992524U CN 201220626084 CN201220626084 CN 201220626084 CN 201220626084 U CN201220626084 U CN 201220626084U CN 202992524 U CN202992524 U CN 202992524U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- insulating layer
- layer
- temperature flue
- flue gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Thermal Insulation (AREA)
Abstract
A wear-resistant heat-insulating structure of a high-temperature flue pipeline comprises a steel pipe, a fire-resistant wear-resistant layer, an inner heat-insulating layer, reinforcing ribs, an outer heat-insulating layer, a galvanized sheet iron, a heat-preserving catching nail, an iron wire and an iron wire mesh, wherein an axial outer surface of the fire-resistant wear-resistant layer is connected with an axial inner surface of the inner heat-insulating layer, an axial outer surface of the inner heat-insulating layer is connected with an axial inner surface of the steel pipe, reinforcing ribs are welded on the axial outer surface of the steel pipe at certain intervals, outer surfaces of reinforcing ribs and the axial outer surface of the steel pipe on which reinforcing ribs are not welded are connected with the axial inner surface of the outer heat-insulating layer, the iron wire mesh wraps the outer heat-insulating layer, the galvanized sheet iron wraps the iron wire mesh, the heat-preserving catching nail of which the root portion is welded with the inner wall of the steel pipe is located in the fire-resistant wear-resistant layer and the inner heat-insulating layer, the fire-resistant wear-resistant layer and the inner heat-insulating layer are fixed with the steel pipe through the heat-preserving catching nail, one end of the iron wire and the axial outer surface of the steel pipe are welded together, the other end of the iron wire is connected with the iron wire mesh, and the outer heat-insulating layer is fixed with the steel pipe through the iron wire and the iron wire mesh.
Description
Technical field
The utility model relates to high-temperature flue gas pipeline field, particularly relates to a kind of abrasionproof insulating structure of high-temperature flue gas pipeline.
Background technique
Its internal layer of insulating structure of the high-temperature flue gas pipeline of prior art is generally refractory layer, and skin is protective layer; Or internal layer is thermal-protective coating, and skin is protective layer.For example, the patent No. is the insulating structure that 200820218596.2 Chinese utility model patent discloses a kind of can-type calcine furnace high-temperature flue, and it comprises flue, and the skin of flue is protective layer, the inboard of protective layer is provided with thermal-protective coating, and the inboard of thermal-protective coating is provided with refractory layer; The described protective layer outside is provided with reinforcing rib; Described reinforcing rib is angle steel; Be provided with anchor nails in described thermal-protective coating and refractory layer; Described anchor nails spacing is 1～300mm; Described anchor nails be shaped as Y-shaped; Described refractory layer thickness is 1～348mm; Described thermal-protective coating thickness is 1～400mm; Described protective layer thickness is 1～20mm.Its internal layer of insulating structure of the can-type calcine furnace high-temperature flue of said structure is followed successively by refractory layer and thermal-protective coating, and skin is protective layer.When internal layer is refractory layer, outer when being protective layer, because the refractory layer thermal conductivity is larger, so rapid heat dissipation, directly affect heat insulation effect; When internal layer is thermal-protective coating, outer when be protective layer, because thermal-protective coating directly contact with flue gas, flue gas is very fast to the thermal-protective coating corrosion, and the thermal-protective coating obscission is serious, need often keep in repair, and affects production; When internal layer is followed successively by refractory layer and thermal-protective coating, outer during for protective layer; in order to obtain heat insulation effect preferably; must strengthen the thickness of thermal-protective coating; thereby the insulating structure sectional area that makes the can-type calcine furnace high-temperature flue becomes large; cause its fabricating cost to improve and cause construction investment to increase; and its refractory layer that adopts not necessarily has the performance of abrasionproof.Constantly improve along with society constantly develops with science and technology, the insulating structure of high-temperature flue gas pipeline awaits better reducing the high-temperature flue gas heat-energy losses, has simultaneously the abrasionproof performance, and can save cost of investment.Therefore, people wish that urgently a kind of abrasionproof insulating structure of high-temperature flue gas pipeline comes out.
Summary of the invention
Technical problem to be solved in the utility model is: overcome the defects that the insulating structure of the high-temperature flue gas pipeline of prior art exists, satisfy people's hope and requirement, a kind of abrasionproof insulating structure of high-temperature flue gas pipeline is provided, the abrasionproof insulating structure of this high-temperature flue gas pipeline can better reduce the heat-energy losses of high-temperature flue gas, better effects if to the high-temperature flue gas insulation, have simultaneously the abrasionproof performance, and can save cost of investment.
the technological scheme that its technical problem that solves the utility model adopts is: a kind of abrasionproof insulating structure of high-temperature flue gas pipeline, comprise steel pipe, the abrasionproof insulating structure of this high-temperature flue gas pipeline also comprises the fire-resistant abrasion-proof layer, inner insulating layer, reinforcing rib, outer thermal-protective coating, galvanized sheet iron, the insulation bitch, iron wire and chain link fence, the axial external surface of fire-resistant abrasion-proof layer is connected axial internal surface and is connected with inner insulating layer, the axial external surface of inner insulating layer is connected axial internal surface and is connected with steel pipe, axial external surface at steel pipe is welded with a reinforcing rib at interval of certain distance, described reinforcing rib outer surface and do not have the axial external surface of steel pipe of reinforcement of weld rib and the axial internal surface of outer thermal-protective coating to connect, chain link fence is wrapped in outer thermal-protective coating, galvanized sheet iron is wrapped in chain link fence, the insulation bitch that root and steel pipe inner wall weld together is arranged in fire-resistant abrasion-proof layer and inner insulating layer, fire-resistant abrasion-proof layer and inner insulating layer are fixed together by insulation bitch and steel pipe, one end of iron wire and the axial external surface of steel pipe weld together, and the other end of iron wire is connected with chain link fence, and outer thermal-protective coating is fixed together by iron wire and chain link fence and steel pipe.
In technique scheme, the shape of the radial cross section outer edge of described fire-resistant abrasion-proof layer, inner insulating layer, steel pipe, reinforcing rib, outer thermal-protective coating and galvanized sheet iron is rounded respectively.
As another kind of mode of execution of the present utility model, the shape of the radial cross section outer edge of described fire-resistant abrasion-proof layer, inner insulating layer, steel pipe, reinforcing rib, outer thermal-protective coating and galvanized sheet iron is square respectively.
Preferably, described fire-resistant abrasion-proof layer is the mullite high-strength refractory spraying bed of material.
Preferably, described inner insulating layer is the high temperature calcium silicate plate.
Preferably, described reinforcing rib is band steel.
Preferably, described outer thermal-protective coating is the aluminosilicate fiber cotton layer.
Further, the shape of described insulation bitch is " Ψ " font.
Preferably, the material of described insulation bitch is high temperature resistant stainless steel SUS304.
The beneficial effects of the utility model are: it is very low that the utility model of said structure can make the heat-energy losses of high-temperature flue gas drop to, and can better reduce the heat-energy losses of high-temperature flue gas, to the better effects if of high-temperature flue gas insulation; Taking into account the abrasionproof ability that has had in energy-efficient flue gas, and the abrasionproof performance is good; Thereby inside and outside employing all heat insulation mode reduced fabricating cost of the present utility model and construction investment, reached the purpose of saving cost of investment; Axial external surface at steel pipe is welded with a reinforcing rib at interval of certain distance, thereby has further improved structural strength of the present utility model; Be enclosed with galvanized sheet iron (being that galvanized sheet iron is wrapped in chain link fence) outside chain link fence, thereby make the effects such as rainproof, moistureproof and anticorrosion that the utlity model has.The utility model is reasonable in design, and is practical, has promotion and use value widely in high-temperature flue gas pipeline field.
Description of drawings
Fig. 1 is sectional view of the present utility model;
Description of reference numerals in Fig. 1: 1---fire-resistant abrasion-proof layer; 2---inner insulating layer; 3---steel pipe; 4---reinforcing rib; 5---outer thermal-protective coating; 6---galvanized sheet iron; 7---the insulation bitch; 8---iron wire; 9---chain link fence.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail; be not that practical range of the present utility model is confined to this; this embodiment does not limit protection domain of the present utility model; those who are familiar with this art should belong to protection domain of the present utility model in not deviating from the lower rational variation of carrying out of protection domain of the present utility model and spirit.
as shown in Figure 1, the abrasionproof insulating structure of the described a kind of high-temperature flue gas pipeline of the present embodiment, comprise steel pipe 3, the abrasionproof insulating structure of this high-temperature flue gas pipeline also comprises fire-resistant abrasion-proof layer 1, inner insulating layer 2, reinforcing rib 4, outer thermal-protective coating 5, galvanized sheet iron 6, insulation bitch 7, iron wire 8 and chain link fence 9, the axial internal surface that the axial external surface of fire-resistant abrasion-proof layer 1 is connected with inner insulating layer connects, the axial internal surface that the axial external surface of inner insulating layer 2 is connected with steel pipe connects, axial external surface at steel pipe 3 is welded with a reinforcing rib 4 at interval of certain distance, thereby further improved the structural strength of the present embodiment, described reinforcing rib 4 outer surfaces and do not have the axial external surface of steel pipe 3 of reinforcement of weld rib 4 and the axial internal surface of outer thermal-protective coating 5 to connect, chain link fence 9 is wrapped in outer thermal-protective coating 5, galvanized sheet iron 6 is wrapped in chain link fence 9, thereby makes the present embodiment have the effects such as rainproof, moistureproof and anticorrosion, the insulation bitch 7 that root and steel pipe 3 inwalls weld together is arranged in fire-resistant abrasion-proof layer 1 and inner insulating layer 2, and fire-resistant abrasion-proof layer 1 and inner insulating layer 2 are fixed together with steel pipe 3 by insulation bitch 7, one end of iron wire 8 and the axial external surface of steel pipe 3 weld together, and the other end of iron wire 8 is connected with chain link fence 9, and outer thermal-protective coating 5 is fixed together with steel pipe 3 by iron wire 8 and chain link fence 9.The shape of the radial cross section outer edge of described fire-resistant abrasion-proof layer 1, inner insulating layer 2, steel pipe 3, reinforcing rib 4, outer thermal-protective coating 5 and galvanized sheet iron 6 is rounded respectively.What deserves to be explained is, as another kind of mode of execution of the present utility model, the shape of the radial cross section outer edge of described fire-resistant abrasion-proof layer 1, inner insulating layer 2, steel pipe 3, reinforcing rib 4, outer thermal-protective coating 5 and galvanized sheet iron 6 is square respectively.Preferably, described fire-resistant abrasion-proof layer 1 is the mullite high-strength refractory spraying bed of material.Preferably, described inner insulating layer 2 is the high temperature calcium silicate plate.Preferably, described reinforcing rib 4 is band steel.Preferably, described outer thermal-protective coating 5 is the aluminosilicate fiber cotton layer.Preferably, the shape of described insulation bitch 7 is " Ψ " font.Preferably, the material of described insulation bitch 7 is high temperature resistant stainless steel SUS304.
The above is only a preferred embodiment of the present utility model, therefore all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, all is included in the protection domain of the utility model patent application.
Claims (8)
1. the abrasionproof insulating structure of a high-temperature flue gas pipeline, comprise steel pipe (3), it is characterized in that: also comprise fire-resistant abrasion-proof layer (1), inner insulating layer (2), reinforcing rib (4), outer thermal-protective coating (5), galvanized sheet iron (6), insulation bitch (7), iron wire (8) and chain link fence (9), the axial external surface of fire-resistant abrasion-proof layer (1) is connected 2 with inner insulating layer) axial internal surface connect, the axial external surface of inner insulating layer (2) is connected 3 with steel pipe) axial internal surface connect, axial external surface at steel pipe (3) is welded with a reinforcing rib (4) at interval of certain distance, described reinforcing rib (4) outer surface and do not have the axial external surface of steel pipe (3) of reinforcement of weld rib (4) and the axial internal surface of outer thermal-protective coating (5) to connect, chain link fence (9) is wrapped in outer thermal-protective coating (5), galvanized sheet iron (6) is wrapped in chain link fence (9), the insulation bitch (7) that root and steel pipe (3) inwall welds together is arranged in fire-resistant abrasion-proof layer (1) and inner insulating layer (2), fire-resistant abrasion-proof layer (1) and inner insulating layer (2) are fixed together by insulation bitch (7) and steel pipe (3), the axial external surface of one end of iron wire (8) and steel pipe (3) welds together, and the other end of iron wire (8) is connected with chain link fence (9), and outer thermal-protective coating (5) is fixed together with steel pipe (3) by iron wire (8) and chain link fence (9).
2. the abrasionproof insulating structure of a kind of high-temperature flue gas pipeline according to claim 1 is characterized in that: the shape of the radial cross section outer edge of described fire-resistant abrasion-proof layer (1), inner insulating layer (2), steel pipe (3), reinforcing rib (4), outer thermal-protective coating (5) and galvanized sheet iron (6) is rounded respectively.
3. the abrasionproof insulating structure of a kind of high-temperature flue gas pipeline according to claim 1, it is characterized in that: the shape of the radial cross section outer edge of described fire-resistant abrasion-proof layer (1), inner insulating layer (2), steel pipe (3), reinforcing rib (4), outer thermal-protective coating (5) and galvanized sheet iron (6) is square respectively.
4. the abrasionproof insulating structure of a kind of high-temperature flue gas pipeline according to claim 1 is characterized in that: described fire-resistant abrasion-proof layer (1) is the mullite high-strength refractory spraying bed of material.
5. the abrasionproof insulating structure of a kind of high-temperature flue gas pipeline according to claim 1, it is characterized in that: described inner insulating layer (2) is the high temperature calcium silicate plate.
6. the abrasionproof insulating structure of a kind of high-temperature flue gas pipeline according to claim 1, it is characterized in that: described reinforcing rib (4) is band steel.
7. the abrasionproof insulating structure of a kind of high-temperature flue gas pipeline according to claim 1, it is characterized in that: described outer thermal-protective coating (5) is the aluminosilicate fiber cotton layer.
8. the abrasionproof insulating structure of a kind of high-temperature flue gas pipeline according to claim 1, it is characterized in that: the shape of described insulation bitch (7) is " Ψ " font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220626084 CN202992524U (en) | 2012-11-23 | 2012-11-23 | Wear-resistant heat-insulating structure of high-temperature flue pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220626084 CN202992524U (en) | 2012-11-23 | 2012-11-23 | Wear-resistant heat-insulating structure of high-temperature flue pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202992524U true CN202992524U (en) | 2013-06-12 |
Family
ID=48563703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220626084 Expired - Fee Related CN202992524U (en) | 2012-11-23 | 2012-11-23 | Wear-resistant heat-insulating structure of high-temperature flue pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202992524U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453546A (en) * | 2013-09-05 | 2013-12-18 | 无锡华光锅炉股份有限公司 | Scratch nail structure for fixing fire resistant materials for boiler |
| CN104121428A (en) * | 2014-07-16 | 2014-10-29 | 山东石大胜华化工集团股份有限公司 | External heating flue gas return line for bio-fuel device and manufacturing method thereof |
| CN105937704A (en) * | 2016-06-29 | 2016-09-14 | 无锡必胜必精密钢管有限公司 | Steel pipe for automobile framework |
| CN106122681A (en) * | 2016-08-05 | 2016-11-16 | 辽宁中电动力设备有限公司 | A kind of wear-resistant smoke conveying duct of composite type high temperature resistant |
| CN106989237A (en) * | 2017-04-19 | 2017-07-28 | 上海建工集团股份有限公司 | A kind of air conditioning wind pipe transformed by industrial smoke discharging pipe and its construction method |
| CN107504270A (en) * | 2017-09-13 | 2017-12-22 | 无锡市交通工程有限公司 | The hold-down support of heat distribution pipeline |
| CN109854823A (en) * | 2018-12-07 | 2019-06-07 | 湖南瑞新机械制造有限公司 | A kind of superhigh temperature resistant flue |
-
2012
- 2012-11-23 CN CN 201220626084 patent/CN202992524U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453546A (en) * | 2013-09-05 | 2013-12-18 | 无锡华光锅炉股份有限公司 | Scratch nail structure for fixing fire resistant materials for boiler |
| CN103453546B (en) * | 2013-09-05 | 2016-03-23 | 无锡华光锅炉股份有限公司 | A kind of boiler grabbing nail structure of fixing refractory material |
| CN104121428A (en) * | 2014-07-16 | 2014-10-29 | 山东石大胜华化工集团股份有限公司 | External heating flue gas return line for bio-fuel device and manufacturing method thereof |
| CN104121428B (en) * | 2014-07-16 | 2016-08-24 | 山东石大胜华化工集团股份有限公司 | Flue gas line of return for bio-fuel device outside heat removing and preparation method thereof |
| CN105937704A (en) * | 2016-06-29 | 2016-09-14 | 无锡必胜必精密钢管有限公司 | Steel pipe for automobile framework |
| CN106122681A (en) * | 2016-08-05 | 2016-11-16 | 辽宁中电动力设备有限公司 | A kind of wear-resistant smoke conveying duct of composite type high temperature resistant |
| CN106122681B (en) * | 2016-08-05 | 2019-06-07 | 葫芦岛市华能工业陶瓷有限公司 | A kind of wear-resistant smoke conveying duct of composite type high temperature resistant |
| CN106989237A (en) * | 2017-04-19 | 2017-07-28 | 上海建工集团股份有限公司 | A kind of air conditioning wind pipe transformed by industrial smoke discharging pipe and its construction method |
| CN107504270A (en) * | 2017-09-13 | 2017-12-22 | 无锡市交通工程有限公司 | The hold-down support of heat distribution pipeline |
| CN109854823A (en) * | 2018-12-07 | 2019-06-07 | 湖南瑞新机械制造有限公司 | A kind of superhigh temperature resistant flue |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202992524U (en) | Wear-resistant heat-insulating structure of high-temperature flue pipeline | |
| CN201297638Y (en) | Heat insulation structure of high-temperature air flue of can-type calciner | |
| CN204981584U (en) | Be used for glass kiln heat preservation device | |
| CN201392097Y (en) | Novel reducing furnace for ore experiment | |
| CN202972377U (en) | Submerged arc furnace smoke thermal insulation pipe | |
| CN2859425Y (en) | A new type turning kiln lining | |
| CN202791146U (en) | Carbon steel hot air pipeline with fireproofing material linings | |
| CN202452039U (en) | Combined pipeline bend heat preservation casing | |
| CN205784554U (en) | A kind of melting aluminium ingot stove | |
| CN205192249U (en) | Steel rolling heating furnace of full fibre furnace wall | |
| CN201215323Y (en) | Dew point corrosion prevention energy-conserving type heating-furnace liner | |
| CN2856897Y (en) | Simple linned rotary kiln | |
| CN208090154U (en) | Energy saving high pressure resistant non-metal expansion joint | |
| CN105506208A (en) | Energy-saving environment-friendly air supply branch pipe | |
| CN102563288A (en) | Combined heat-insulation casing for pipeline elbows | |
| CN206093359U (en) | Thermal -insulated fixed festival of steam direct -burried pipeline low energy consumption type | |
| CN205387580U (en) | Energy -concerving and environment -protective type air -feeding branch pipe | |
| CN201184022Y (en) | Structure connecting out-roofing high temperature steel chimney and concrete roofing | |
| CN202660910U (en) | Furnace wall structure of non-ferrous metallurgical kiln | |
| CN204612573U (en) | Tubular air preheater pipe end abrasionproof liner | |
| CN203719406U (en) | High temperature furnace long in service life | |
| CN220939997U (en) | SCR denitration puts outer heating furnace air defense ware structure | |
| CN108050333A (en) | Energy saving high pressure resistant non-metal expansion joint | |
| CN202100044U (en) | Bore spiral line structure of non-corrosive dust collection energy saving chimney | |
| CN2926960Y (en) | Metal anchor fastener of oven wall liner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130612 Termination date: 20191123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |