CN102391697B - A kind of heat insulating paint for high-temperature boiler pipe - Google Patents
A kind of heat insulating paint for high-temperature boiler pipe Download PDFInfo
- Publication number
- CN102391697B CN102391697B CN201110208704.4A CN201110208704A CN102391697B CN 102391697 B CN102391697 B CN 102391697B CN 201110208704 A CN201110208704 A CN 201110208704A CN 102391697 B CN102391697 B CN 102391697B
- Authority
- CN
- China
- Prior art keywords
- component
- temperature
- heat insulating
- ratio
- insulating paint
- 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
Abstract
The present invention relates to a kind of heat insulating paint for high-temperature boiler pipe, it comprises high-temperature agglomerant and thermal insulation ceramics powder that ratio of component is 1:2.5, described high-temperature agglomerant comprises water glass, Sorbic Acid and the borax that ratio of component is 100:0.5:1, it is who knows of 7:3 and raw material that described thermal insulation ceramics powder comprises ratio of component, described who knows comprise component be 22% lapis amiridis, component be 60% silica powder and component be the sodium carbonate of 18%, described raw material comprise component be 55% hollow float bead and component be the wilkinite of 45%.Described heat insulating paint for high-temperature boiler pipe is coated on outside tube wall, can not only solve the outer too high problem of temperature of tube wall, and easy construction, and cost is also lower, is desirable boiler tube wall heat-insulating technique.
Description
Technical field
The present invention relates to a kind of thermal insulating coating, particularly relate to a kind of heat insulating paint for high-temperature boiler pipe.
Background technology
Heat power plant boiler " four pipes " (water wall tube, superheater tube, reheater tube and economizer tube) is important heating surface, inner steam temperature is at 540 DEG C-550 DEG C, and the outer high-temperature flue gas of pipe reaches 900 DEG C-1000 DEG C, make tube wall bear quite high temperature, overtemperature of tube wall can be caused time serious overheated and booster.At present main adopt to lay wall with refractory lining, refracto and change refractory alloy steel pipe process due to overheated and cause booster problem.
But do the coking easily causing wall with refractory lining, refracto on the one hand like this, construction technology is also more complicated.A large amount of cost of steel alloy that uses is quite high simultaneously.The coating selection wear resistance that relevant document " development of the heat insulation wear-resistant anti-overtemperature coating of thermal power plant " is introduced is better, the material that thermal conductivity is slightly good simultaneously combines mutually, although such coating has two kinds of functions concurrently, but independent wear resistance and thermal insulation are all not good, the temperature of tube wall can not be made to control in design load.
Summary of the invention
In view of this, be necessary to provide a kind of heat insulating paint for high-temperature boiler pipe, be coated on outside tube wall, be intended to solve the outer too high problem of temperature of tube wall, and easy construction, cost is also lower, is desirable boiler tube wall heat-insulating technique.
The present invention realizes like this, a kind of heat insulating paint for high-temperature boiler pipe, it comprises high-temperature agglomerant and thermal insulation ceramics powder that ratio of component is 1:2.5, described high-temperature agglomerant comprises water glass, Sorbic Acid and the borax that ratio of component is 100:0.5:1, it is who knows of 7:3 and raw material that described thermal insulation ceramics powder comprises ratio of component, described who knows comprise component be 22% lapis amiridis, component be 60% silica powder and component be the sodium carbonate of 18%, described raw material comprise component be 55% hollow float bead and component be the wilkinite of 45%.
Further, described lapis amiridis, described silica powder are 200 orders.
Further, described heat insulating paint for high-temperature boiler pipe, its making method comprises the following steps:
Be that the described water glass of 100:0.5:1, described Sorbic Acid and described borax stir 30 minutes by steam heating by ratio of component, load in bucket stand-by after cooling, to form described high-temperature agglomerant;
By ratio of component for who knows described in 7:3 and described raw material mix, to form described thermal insulation ceramics powder, wherein, described lapis amiridis 180 order, described silica powder 180 order, puts into High Temperature Furnaces Heating Apparatus in 1200 DEG C of sintering, is incubated 3 hours after the described each component who knows being mixed, be crushed to 200 orders after cooling stand-by, the component of described raw material be 55% hollow float bead and the component wilkinite that is 45% mix after stand-by;
Be described high-temperature agglomerant and the mutual mixing and stirring of described thermal insulation ceramics powder of 1:2.5 by ratio of component, to form described heat insulating paint for high-temperature boiler pipe.
Further, described heat insulating paint for high-temperature boiler pipe, its using method comprises the following steps: in use, is described high-temperature agglomerant and the mutual mixing and stirring of described thermal insulation ceramics powder of 1:2.5, is then applied to the surface of boiler tube by ratio of component.
Further, described water glass is modulus 2.9-3.2, concentration 1.4g/cm
3liquid.
Compared with prior art, beneficial effect is in the present invention: heat insulating paint for high-temperature boiler pipe provided by the invention, is coated on outside tube wall, can not only solve the outer too high problem of temperature of tube wall, and easy construction, and cost is also lower, is desirable boiler tube wall heat-insulating technique.In brief, prior art lays wall with refractory lining, refracto construction inconvenience, and easily cause the coking on wall with refractory lining, refracto of melting coal ash, cost is comparatively large simultaneously, and uses the cost of refractory alloy steel pipe too large; And heat insulating paint for high-temperature boiler pipe easy construction provided by the invention, be convenient to maintenance in the future, and the thickness of coating can control, Use Limitation fruit is desirable, and cost performance is high, is the desirable heat-resisting Anti-wear Technology of boiler tubing heating surface.
Accompanying drawing explanation
Fig. 1 is that the one-tenth of the heat insulating paint for high-temperature boiler pipe that embodiment of the present invention provides is grouped into schematic diagram.
Fig. 2 is the making method schematic diagram of the heat insulating paint for high-temperature boiler pipe that embodiment of the present invention provides.
Fig. 3 is the using method schematic diagram of the heat insulating paint for high-temperature boiler pipe that embodiment of the present invention provides.
nomenclature
Heat insulating paint for high-temperature boiler pipe 100
High-temperature agglomerant 10
Thermal insulation ceramics powder 20
Water glass 11
Sorbic Acid 13
Borax 15
Who knows 21
Raw material 23
Lapis amiridis 210
Silica powder 212
Sodium carbonate 213
Hollow float bead 230
Wilkinite 232
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, its one-tenth for the heat insulating paint for high-temperature boiler pipe 100 that better embodiment of the present invention provides is grouped into schematic diagram, and heat insulating paint for high-temperature boiler pipe 100 comprises the high-temperature agglomerant (first component) 10 and thermal insulation ceramics powder (second component) 20 that ratio of component is 1:2.5.Described high-temperature agglomerant 10 comprises liquid sodium silicate 11, Sorbic Acid 13, the borax 15 that ratio of component is 100:0.5:1, described thermal insulation ceramics powder 20 comprise ratio of component be 7:3 who knows 21 and raw material 23.Describedly who knows that 21 comprise lapis amiridis 210, the component silica powder 212 that is 60%, the component sodium carbonate 213 that is 18% that component is 22%, described raw material 23 comprise component be 55% hollow float bead 230 and component be 45% wilkinite 232.
Incorporated by reference to Fig. 2, when heat insulating paint for high-temperature boiler pipe 100 makes, comprise the following steps.
First, need to make high-temperature agglomerant 10 and thermal insulation ceramics powder 20, the making step being appreciated that high-temperature agglomerant 10 and thermal insulation ceramics powder 20 in no particular order, also can carry out simultaneously.
Be that the described water glass 11 of 100:0.5:1, described Sorbic Acid 13 and described borax 15 stir 30 minutes by steam heating by ratio of component, load in bucket stand-by after cooling, to form described high-temperature agglomerant 10;
By ratio of component for who knows described in 7:3 21 and described raw material 23 mix, to form described thermal insulation ceramics powder 20, wherein, described lapis amiridis 210 is 180 orders, described silica powder 212 is 180 orders, described who knows is put into High Temperature Furnaces Heating Apparatus in 1200 DEG C of sintering after each component of 21 mixes, is incubated 3 hours, be crushed to 200 orders after cooling stand-by, the component of described raw material 23 be 55% hollow float bead 230 and component be 45% wilkinite 232 mixes rear stand-by;
Be the described high-temperature agglomerant 10 of 1:2.5 and described thermal insulation ceramics powder 20 mixing and stirring mutually by ratio of component, to form described heat insulating paint for high-temperature boiler pipe 100.
Wherein, described water glass 213 is modulus 2.9-3.2, concentration 1.4g/cm
3liquid.
Please composition graphs 3 again, ratio of component in use, is first the described high-temperature agglomerant 10 of 1:2.5 and described thermal insulation ceramics powder 20 mixing and stirring mutually, and then constructs, be applied to the surface of boiler tube by heat insulating paint for high-temperature boiler pipe 100.
In sum, heat insulating paint for high-temperature boiler pipe 100 provided by the invention, is coated on outside tube wall, can not only solve the outer too high problem of temperature of tube wall, and easy construction, and cost is also lower, is desirable boiler tube wall heat-insulating technique.In brief, prior art lays wall with refractory lining, refracto construction inconvenience, and easily cause the coking on wall with refractory lining, refracto of melting coal ash, cost is comparatively large simultaneously, and uses the cost of refractory alloy steel pipe too large; And heat insulating paint for high-temperature boiler pipe 100 provided by the invention easy construction, be convenient to maintenance in the future, and the thickness of coating can control, Use Limitation fruit is desirable, and cost performance is high, is the desirable heat-resisting Anti-wear Technology of boiler tubing heating surface.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a heat insulating paint for high-temperature boiler pipe, it is characterized in that, it comprises high-temperature agglomerant and thermal insulation ceramics powder that ratio of component is 1:2.5, described high-temperature agglomerant comprises water glass, Sorbic Acid and the borax that ratio of component is 100:0.5:1, described thermal insulation ceramics powder comprises the grog and raw material that ratio of component is 7:3, described grog comprise component be 22% lapis amiridis, component be 60% silica powder and component be the sodium carbonate of 18%, described raw material comprise component be 55% hollow float bead and component be the wilkinite of 45%.
2. heat insulating paint for high-temperature boiler pipe as claimed in claim 1, it is characterized in that, described lapis amiridis, described silica powder are 200 orders.
3. heat insulating paint for high-temperature boiler pipe as claimed in claim 1, its making method comprises the following steps:
Be that the described water glass of 100:0.5:1, described Sorbic Acid and described borax stir 30 minutes by steam heating by ratio of component, load in bucket stand-by after cooling, to form described high-temperature agglomerant;
Be that described grog and the described raw material of 7:3 mix by ratio of component, to form described thermal insulation ceramics powder, wherein, described lapis amiridis 180 order, described silica powder 180 order, puts into High Temperature Furnaces Heating Apparatus in 1200 DEG C of sintering, is incubated 3 hours after each component of described grog being mixed, be crushed to 200 orders after cooling stand-by, the component of described raw material be 55% hollow float bead and the component wilkinite that is 45% mix after stand-by;
Be described high-temperature agglomerant and the mutual mixing and stirring of described thermal insulation ceramics powder of 1:2.5 by ratio of component, to form described heat insulating paint for high-temperature boiler pipe.
4. heat insulating paint for high-temperature boiler pipe as claimed in claim 1, its using method comprises the following steps: in use, is described high-temperature agglomerant and the mutual mixing and stirring of described thermal insulation ceramics powder of 1:2.5, is then applied to the surface of boiler tube by ratio of component.
5. as the heat insulating paint for high-temperature boiler pipe in Claims 1-4 item as described in any one, it is characterized in that, described water glass is modulus 2.9-3.2, concentration 1.4g/cm
3liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110208704.4A CN102391697B (en) | 2011-07-25 | 2011-07-25 | A kind of heat insulating paint for high-temperature boiler pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110208704.4A CN102391697B (en) | 2011-07-25 | 2011-07-25 | A kind of heat insulating paint for high-temperature boiler pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102391697A CN102391697A (en) | 2012-03-28 |
| CN102391697B true CN102391697B (en) | 2015-11-25 |
Family
ID=45859088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110208704.4A Expired - Fee Related CN102391697B (en) | 2011-07-25 | 2011-07-25 | A kind of heat insulating paint for high-temperature boiler pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102391697B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102775164B (en) * | 2012-07-30 | 2015-04-01 | 北京中电联发科技有限公司 | Energy-saving modified coating and preparation method for boiler water cooled wall |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1108281A (en) * | 1994-12-18 | 1995-09-13 | 吕瑞东 | High temp. and wear resistant coating for boiler soot pipeline |
| CN1451696A (en) * | 2002-04-18 | 2003-10-29 | 陈海渊 | High-temp. resistant wear-preventing paint |
| CN101570650A (en) * | 2008-04-30 | 2009-11-04 | 北京通达耐火技术股份有限公司 | Preparation method for wear resistant fire-retardant coating |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050031843A1 (en) * | 2000-09-20 | 2005-02-10 | Robinson John W. | Multi-layer fire barrier systems |
-
2011
- 2011-07-25 CN CN201110208704.4A patent/CN102391697B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1108281A (en) * | 1994-12-18 | 1995-09-13 | 吕瑞东 | High temp. and wear resistant coating for boiler soot pipeline |
| CN1451696A (en) * | 2002-04-18 | 2003-10-29 | 陈海渊 | High-temp. resistant wear-preventing paint |
| CN101570650A (en) * | 2008-04-30 | 2009-11-04 | 北京通达耐火技术股份有限公司 | Preparation method for wear resistant fire-retardant coating |
Non-Patent Citations (1)
| Title |
|---|
| 火电厂隔热抗磨防超温涂料的研制;金贞玉;《现代涂料与涂装》;20090731;第12卷(第7期);第13-15页，转26页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102391697A (en) | 2012-03-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102322623B (en) | Coke oven top waste heat reclaiming system | |
| CN103436272B (en) | Ascending pipe heat exchange device for raw gas of coke oven | |
| CN103627468A (en) | Novel decoking agent for fire coal | |
| CN102276277B (en) | A kind of boiler flue high-temperature wear-resistance ceramic plaster | |
| CN102391697B (en) | A kind of heat insulating paint for high-temperature boiler pipe | |
| CN103305040B (en) | Composite infrared radiation paint and preparation method thereof and infrared radiating coating | |
| CN108163851A (en) | A kind of application of high-frequency induction heating apparatus, the method for preparing graphite worm and graphite worm | |
| CN102672137B (en) | High-efficiency energy-saving environment-friendly pressure die-casting machine | |
| CN103033062B (en) | The residual heat using device of combustion gas shuttle kiln | |
| CN102419086B (en) | Microwave and electricity hybrid heating high-temperature rotary kiln | |
| CN107270374A (en) | A kind of fused salt heat storage type central heating system | |
| CN105318757A (en) | Preparation method of concrete heat accumulator and concrete heat accumulation block without metal heat exchange pipeline | |
| CN202203915U (en) | Cock oven top exhaust heat recovery system | |
| CN206638034U (en) | A kind of furnace of calcium carbide high-alumina brick | |
| CN102303973B (en) | A kind of high-temperature antiwear paint for boiler tail heating surface | |
| CN102351553B (en) | Water wall refractory belt anti-coking paint | |
| CN203489482U (en) | Heat transfer fluid fluidization-and-suspension coal slime combustion boiler | |
| CN207622550U (en) | A kind of metallurgical furnace kiln waste heat recycle device | |
| CN203075934U (en) | Reactor and reaction system comprising same | |
| CN102560076B (en) | Method for solving heating by one furnace shared by grain-oriented silicon steel and other steel with enriched oxygen | |
| CN204285450U (en) | Air single-preheating integral type sintering ignition furnace | |
| CN109022048A (en) | Positive pressure fire coal coupled biological matter gasification power generation system and the method for carrying out conversion electric energy | |
| CN202371991U (en) | Microwave and electricity mixed heating high temperature rotary kiln | |
| CN112321958B (en) | Light-gathering heat-insulating plastic concrete for energy conservation of gasification furnace and power station boiler and production process thereof | |
| CN108486303A (en) | A kind of technique and device of heating gas-based shaft kiln also Primordial Qi |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210924 Address after: 241000 north end of hengshanhe Road, Gao'an street, Wuhu Yangtze River Bridge Comprehensive Economic Development Zone, Wuhu City, Anhui Province Patentee after: Wuhu Zhongdian environmental protection power generation Co.,Ltd. Address before: 230001 room 2008, jinzuo, Tuoji Plaza, No. 691, Changjiang West Road, Hefei, Anhui Patentee before: HEFEI KEDE SURFACE TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 |