CN1743731A - Method for manufacturing stainless steel flue pipe for coal-fired stove - Google Patents
Method for manufacturing stainless steel flue pipe for coal-fired stove Download PDFInfo
- Publication number
- CN1743731A CN1743731A CN 200510032206 CN200510032206A CN1743731A CN 1743731 A CN1743731 A CN 1743731A CN 200510032206 CN200510032206 CN 200510032206 CN 200510032206 A CN200510032206 A CN 200510032206A CN 1743731 A CN1743731 A CN 1743731A
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- China
- Prior art keywords
- pipe
- steel
- stainless steel
- alumina cement
- coal
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- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 229910001220 stainless steel Inorganic materials 0.000 title claims description 20
- 239000010935 stainless steel Substances 0.000 title claims description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 239000004568 cement Substances 0.000 claims abstract description 23
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000012423 maintenance Methods 0.000 claims abstract description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000012467 final product Substances 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 abstract 1
- 239000000779 smoke Substances 0.000 description 10
- 239000011159 matrix material Substances 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000009972 noncorrosive effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 206010017740 Gas poisoning Diseases 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A method for making stainless flue pipe used in gas range, which adopts centrifugal method to spray high alumina cement slush to inner wall of steel pipe or pattern die to form high alumina cement concrete pipe using steel as base or high alumina cement concrete pipe using steel bar as base. Said invention has no maintenance and convenient use.
Description
Technical field
The corollary apparatus that the present invention relates to use on the coal-fired stove, the especially device of the useless flue gas of eliminating burning.
Background technology
The existing all kinds of coal-fired stove overwhelming majority has adopted the useless flue gas that will burn to discharge outdoor mode, to keep indoor air clean, helps health.The pipeline that smoke discharging is used is generally common steel tube, only a few human stainless steel tube.The defective of common steel tube is corrosion very easily.Because its inwall for a long time contacts with carbon dioxide with sulfur in smoke, easy oxidation, getting rusty comes off, so need pull down the smoke pipe mediation work of becoming rusty clearly every year, brings very big trouble to the user.A few users is ignorant of or lazy reason, and regular mediation smoke pipe and cause smoke pipe to stop up does not cause gas poisoning even threat to life.In addition common steel tube service life short, any pipe of wall thickness can be with 4～5 years, can only just boring a hole with 2～3 years that wall is thin scrapped.The annual thus whole nation has a large amount of steel pipes to scrap, and has consumed valuable steel resources.As for making smoke exhaust pipe with stainless steel tube, cost an arm and a leg, general household consumption does not rise, and stainless steel tube is not truly stainless, has just slowed down corrosion rate.Through test, the stainless steel tube of 3 millimeters wall thickness also can only use just to be scrapped in 8 years.
Summary of the invention
The purpose of this invention is to provide method for manufacturing stainless steel flue pipe for coal-fired stove, accomplish that the smoke pipe inwall is the high aluminium cement concrete layer, non-corrosive comes off, Maintenance free.
Technical scheme is to adopt centrifugal method that the alumina cement mortar is radiated on steel pipe or the pattern inwall, forms with the steel pipe to be the high aluminium cement concrete pipe of matrix or to be the alumina cement concrete reinforced pipe of matrix with the reinforcing bar.Production method has following two kinds.
First method has the following steps:
1, the steel pipe two ends tapping in wall thickness 〉=2 millimeter is extracted external screw thread and is formed pipe joint, or burn-ons and be with externally threaded pipe joint in the steel pipe two ends in wall thickness＜2 millimeter.
2, adopt centrifugal method toward interior 1: 1 the alumina cement river sand mortar of injection ratio of steel pipe, mortar radiation lining is plated on the steel pipe inwall, form the high aluminium cement concrete pipe, the internal diameter of pipe is preferably in φ more than 35 millimeters, and the lining thickness of coating is 5～8 millimeters.
Second method has the following steps:
1,5 or 5 above reinforcing bar two ends are welded on respectively on two pipe joints evenly distributedly;
2, after being coated remover, two patterns that semi-circular strip slot arranged respectively are fastened on mutually again on the reinforcing bar pedestal that has welded pipe joint.
3, adopt centrifugal method toward interior 1: 1 the alumina cement river sand mortar of injection ratio of type film, make the mortar radiation on pattern and wrap the reinforcing bar pedestal, form the alumina cement concrete reinforced pipe, the external diameter of pipe is preferably in φ more than 65 millimeters, internal diameter is preferably in φ more than 35 millimeters, wall thickness 〉=10 millimeter.
4, treat to pull down pattern behind the concrete initial set, maintenance got final product more than seven days.
The installation method of stainless steel flue pipe is available common external connection the between Guan Yulu, the tube and tube, and flue corner can be lined with the light water pipe bend connection of high aluminium cement concrete with inside.According to said method mounted smoke pipe has only the high aluminium cement concrete part to contact with useless flue gas, and isolated mutually with useless flue gas fully as the steel pipe or the reinforcing bar of matrix.Therefore, produce smoke pipe by the present invention and become truly stainless steel flue pipe.
Compared with the prior art, the present invention has following characteristics:
1, because the inwall non-corrosive of the stainless steel flue pipe of producing does not come off, do not need dredge every year, Maintenance free, therefore easy to use, reduced unnecessary trouble to the user, receive praises from customers good market prospects.
2, because stainless steel flue pipe reaches more than 10 years service life, do not need substantially to change, therefore reduced use cost, economically than with common steel tube saving, worthwhile, for the user has saved spending.
3, save steel resources, help the construction of conservation-minded society.If calculate by 1 kilogram of steel of the annual oxidation of each coal-fired stove smoke pipe, the whole nation has now more than one hundred million individual with coal-fired stove, and then annual loss steel are more than 100,000 tons.If adopt stainless steel flue pipe of the present invention, steel can be saved more than 100,000 tons every year in the whole nation.Therefore, the present invention has considerable economic and social benefit.
Description of drawings
Fig. 1 is to be that the stainless steel flue pipe master of matrix cuts open figure with thick steel pipe.
Fig. 2 is to be that the stainless steel flue pipe master of matrix cuts open figure with the sheet steel pipe.
Fig. 3 is to be that the stainless steel flue pipe master of matrix cuts open figure with the reinforcing bar
The specific embodiment
Embodiment one thick steel pipe is the method for manufacturing stainless steel flue pipe of matrix.
At first, at external diameter φ 60, the steel pipe 1 two ends tapping that wall thickness is 2 millimeters is extracted external screw thread and is formed pipe joint 2.Adopting centrifugal method injection ratio in the steel pipe 1 then is 1: 1 alumina cement river sand mortar, and mortar radiation and lining are plated on steel pipe 1 inwall, forms high aluminium cement concrete pipe 3, and the lining thickness of coating is 5 millimeters.
Embodiment two
Basic identical with embodiment one, difference is that steel pipe 1 wall thickness is 2.5 millimeters.
Embodiment three sheet steel pipes are the method for manufacturing stainless steel flue pipe of matrix
At first burn-on at steel pipe 1 ' two ends of 0.6 millimeter of external diameter φ 60, wall thickness φ 60 standard pipe joints 2 ', adopt centrifugal method toward steel pipe 1 ' interior injection ratio is 1: 1 an alumina cement river sand mortar then, mortar radiation and lining are plated on steel pipe 1 ' inwall, form high aluminium cement concrete pipe 3, the lining thickness of coating is 6 millimeters.
Embodiment four
Basic identical with embodiment three, difference is that the lining thickness of coating is 8 millimeters.
Embodiment five reinforcing bars are the method for manufacturing stainless steel flue pipe of matrix
1,5 reinforcing bar 4 two ends are welded on respectively evenly distributedly two φ, 60 standard pipe joints 2 ' on.
2, two patterns that semi-circular strip poor (65 millimeters of groove widths) arranged are respectively coated be fastened on mutually again behind the remover welded pipe joint 2 ' the reinforcing bar pedestal on.
3, adopting centrifugal method injection ratio in the pattern is 1: 1 alumina cement river sand mortar, makes the mortar radiation on pattern and wrap the reinforcing bar pedestal, forms alumina cement concrete reinforced pipe 5, and the wall thickness of pipe is 10 millimeters.
4, treat to pull down pattern behind the concrete initial set, maintenance got final product more than seven days.
Embodiment six
Basic identical with embodiment five, difference is that the semi-circular strip slot groove width of pattern is 70 millimeters, and alumina cement concrete reinforced pipe 5 wall thickness are 15 millimeters.
Embodiment seven
Basic identical with embodiment five, the reinforcing bar number that difference is used is 6.
Claims (2)
1, a kind of method for manufacturing stainless steel flue pipe for coal-fired stove is characterized in that:
A, the steel pipe two ends tapping in wall thickness 〉=2 millimeter are extracted external screw thread and are formed pipe joint, or burn-on and be with externally threaded pipe joint in the steel pipe two ends in wall thickness＜2 millimeter;
The injection ratio is 1: 1 an alumina cement river sand mortar in b, the past steel pipe of the centrifugal method of employing, and mortar radiation and lining are plated on the steel pipe inwall, forms the high aluminium cement concrete pipe, and the lining thickness of coating is 5～8 millimeters.
2, a kind of method for manufacturing stainless steel flue pipe for coal-fired stove is characterized in that:
A, 5 or 5 above reinforcing bar two ends are welded on respectively on two pipe joints evenly distributedly;
B, be fastened on mutually again on the reinforcing bar pedestal that has welded pipe joint after two patterns that semi-circular strip slot arranged are respectively coated remover;
C, to adopt centrifugal method injection ratio in the pattern be 1: 1 alumina cement river sand mortar, makes the mortar radiation on pattern and wrap the reinforcing bar pedestal, forms the alumina cement concrete reinforced pipe, wall thickness 〉=10 millimeter.
D, treat to pull down pattern behind the concrete initial set, maintenance got final product more than seven days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100322063A CN100380050C (en) | 2005-09-26 | 2005-09-26 | Method for manufacturing stainless steel flue pipe for coal-fired stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100322063A CN100380050C (en) | 2005-09-26 | 2005-09-26 | Method for manufacturing stainless steel flue pipe for coal-fired stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1743731A true CN1743731A (en) | 2006-03-08 |
| CN100380050C CN100380050C (en) | 2008-04-09 |
Family
ID=36139210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100322063A Expired - Fee Related CN100380050C (en) | 2005-09-26 | 2005-09-26 | Method for manufacturing stainless steel flue pipe for coal-fired stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100380050C (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2040584U (en) * | 1988-09-29 | 1989-07-05 | 贾连江 | Flue |
| JPH02115613A (en) * | 1988-10-24 | 1990-04-27 | Ngk Insulators Ltd | Lining method for duct |
| JPH072328B2 (en) * | 1991-01-22 | 1995-01-18 | 麻生セメント株式会社 | Corrosion resistant tube |
| CN1067002C (en) * | 1991-06-27 | 2001-06-13 | 株式会社日本触煤 | Centrifugal molding method for composite pipe having resin concrete layer and for resin concrete pipe |
| CN2269944Y (en) * | 1996-07-12 | 1997-12-10 | 刘志双 | Prestress concrete well pipe |
| CN2317377Y (en) * | 1998-03-17 | 1999-05-05 | 张俊梅 | Composite corrosion-resisting industrial pipeline |
-
2005
- 2005-09-26 CN CNB2005100322063A patent/CN100380050C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN100380050C (en) | 2008-04-09 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20080409 Termination date: 20120926 |