CN111140705A - Nickel-containing heat-insulation steel pipe and preparation process thereof - Google Patents
Nickel-containing heat-insulation steel pipe and preparation process thereof Download PDFInfo
- Publication number
- CN111140705A CN111140705A CN202010011296.2A CN202010011296A CN111140705A CN 111140705 A CN111140705 A CN 111140705A CN 202010011296 A CN202010011296 A CN 202010011296A CN 111140705 A CN111140705 A CN 111140705A
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- China
- Prior art keywords
- steel pipe
- protection tube
- pipe body
- connecting plate
- tube
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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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
- F16L9/19—Multi-channel pipes or pipe assemblies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/04—Arrangements using dry fillers, e.g. using slag wool which is added to the object to be insulated by pouring, spreading, spraying or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention provides a nickel-containing heat-insulating steel pipe and a preparation process thereof, and the nickel-containing heat-insulating steel pipe comprises a steel pipe body, wherein a protective pipe is sleeved on the steel pipe body, the protective pipe and the steel pipe body are coaxially arranged, the inner diameter of the protective pipe is larger than the outer diameter of the steel pipe body, scratches are arranged on the outer wall of the steel pipe body, scratches are arranged on the inner wall of the protective pipe, a connecting plate is arranged between the steel pipe body and the protective pipe, two sides of the connecting plate are respectively connected with the outer side wall of the steel pipe body and the inner side wall of the protective pipe, inserting grooves connected with the connecting plate are respectively arranged on the outer side wall of the steel pipe body and the inner side wall of the protective pipe, a.
Description
Technical Field
The invention relates to a nickel-containing heat-insulating steel pipe and a preparation process thereof.
Background
The heat insulation steel pipe can play a certain heat insulation role in fluid flowing through the steel pipe, and a common heat insulation steel pipe is formed by surrounding a circle of foam plastic on the outer wall of the steel pipe so as to enable the steel pipe to have a certain heat insulation capacity.
Disclosure of Invention
Aiming at the problems pointed out in the background technology, the invention provides a nickel-containing heat-insulating steel pipe with certain heat resistance and a preparation process thereof.
The technical scheme of the invention is realized as follows:
the utility model provides a nickeliferous heat preservation steel pipe, includes the steel pipe body, the steel pipe body on cup jointed the protection tube, the protection tube sets up with the steel pipe body is coaxial, the internal diameter of protection tube is greater than the external diameter of steel pipe body, is equipped with the mar on the outer wall of steel pipe body, is equipped with the mar on the inner wall of protection tube, is equipped with the connecting plate between steel pipe body and the protection tube, the both sides of connecting plate are connected with the lateral wall of steel pipe body and the inside wall of protection tube respectively, the lateral wall of steel pipe body and the inside wall of protection tube are equipped with the inserting groove of being connected with the connecting plate respectively, the connecting plate on distribute and have a plurality of through-holes.
A preparation process of a nickel-containing heat preservation steel pipe comprises the following steps:
(1) processing a plurality of scratches on the outer side wall of the steel pipe body to enable the surface of the steel pipe body to be covered with the scratches;
(2) processing a plurality of scratches on the inner side wall of the protection tube to make the scratches distributed on the inner side wall of the protection tube;
(3) processing an inserting groove on the outer side wall of the steel pipe body, wherein the inserting groove extends along the length direction of the steel pipe body;
(4) processing an inserting groove on the inner side wall of the protection pipe, wherein the inserting groove extends along the length direction of the protection pipe, and the inserting groove on the protection pipe is arranged corresponding to the inserting groove on the steel pipe body;
(5) sleeving a protection tube on the steel tube body, keeping the protection tube and the steel tube body in a coaxial state, inserting a connecting plate between the protection tube and the steel tube body, and respectively inserting two sides of the connecting plate into the inserting grooves;
(6) injecting polyurethane rigid foam plastic into an annular space between the protection tube and the steel tube body, so that the annular space is fully filled with the polyurethane rigid foam plastic to form a heat insulation layer;
inspecting the finished product of the manufactured heat-insulating steel pipe
The invention is further arranged in that the outer side wall of the protection tube is provided with a liquid inlet and a liquid outlet which are communicated with the inside of the protection tube, the liquid inlet and the liquid outlet are connected with sealing plugs, each sealing plug comprises a metal plug and a rubber plug, the metal plug is in threaded connection with the liquid inlet and the liquid outlet, the center of the metal plug is provided with a liquid channel, the liquid channel penetrates through the rear end of the metal plug, the side wall of the metal plug is provided with a communicating hole, the communicating hole is communicated with the liquid channel and the outer side of the metal plug, the rubber plug is connected with the front end of the metal plug, the rubber plug is coaxially connected with the front end of the metal plug, and the.
The invention is further provided that the protective tube is made of a metal material and the connecting plate is made of a plastic material.
By adopting the technical scheme, the invention has the beneficial effects that:
according to the nickel-containing heat-insulating steel pipe and the preparation process thereof, the steel pipe body is subjected to heat insulation through the rigid polyurethane foam plastic, the rigid polyurethane foam plastic is protected through the protection pipe, and the rigid polyurethane foam plastic is prevented from being directly heated by a heat source or open fire, so that the steel pipe has good heat insulation performance and good heat resistance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
fig. 3 is a schematic structural diagram of the connecting plate of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is illustrated below with reference to fig. 1-3:
the utility model provides a nickeliferous heat preservation steel pipe, includes steel pipe body 1, steel pipe body 1 on cup jointed protection tube 2, protection tube 2 and the coaxial setting of steel pipe body 1, the internal diameter of protection tube 2 is greater than the external diameter of steel pipe body 1, is equipped with the mar on steel pipe body 1's the outer wall, is equipped with the mar on protection tube 2's the inner wall.
Be equipped with connecting plate 3 between steel pipe body 1 and the protection tube 2, the both sides of connecting plate 3 are connected with the lateral wall of steel pipe body 1 and the inside wall of protection tube 2 respectively, and the lateral wall of steel pipe body 1 and the inside wall of protection tube 2 are equipped with the inserting groove 4 of being connected with connecting plate 3 respectively, connecting plate 3 on distribute and have a plurality of through-holes 5, it has polyurethane rigid foam 6 to fill between steel pipe body 1 and the protection tube 2, the inner wall of protection tube 2 set up the vacuole formation for cavity.
A preparation process of a nickel-containing heat preservation steel pipe comprises the following steps:
(1) processing a plurality of scratches on the outer side wall of the steel pipe body 1, so that the scratches are distributed on the surface of the steel pipe body 1;
(2) processing a plurality of scratches on the inner side wall of the protection tube 2, so that the scratches are distributed on the inner side wall of the protection tube 2;
(3) processing an inserting groove 4 on the outer side wall of the steel pipe body 1, wherein the inserting groove 4 extends along the length direction of the steel pipe body 1;
(4) an inserting groove 4 is processed on the inner side wall of the protection pipe 2, the inserting groove 4 extends along the length direction of the protection pipe 2, and the inserting groove 4 on the protection pipe 2 is arranged corresponding to the inserting groove 4 on the steel pipe body 1;
(5) sleeving the protection tube 2 on the steel tube body 1, keeping the protection tube 2 and the steel tube body 1 in a coaxial state, inserting the connecting plate 3 between the protection tube 2 and the steel tube body 1, and respectively inserting two sides of the connecting plate 3 into the inserting grooves 4;
(6) injecting polyurethane rigid foam plastic 6 into an annular space between the protection tube 2 and the steel tube body 1, so that the annular space is fully filled with the polyurethane rigid foam plastic 6 to form a heat insulation layer;
inspecting the finished product of the manufactured heat-insulating steel pipe
Wherein, the lateral wall of protection tube 2 on be equipped with its inside feed liquor hole 7 of intercommunication and go out liquid hole 8, feed liquor hole 7 and go out liquid hole 8 in be connected with the sealing plug, the sealing plug includes metal stopper 9 and rubber buffer 10, metal stopper 9 and feed liquor hole 7 with go out liquid hole 8 threaded connection, the center of metal stopper 9 is equipped with liquid channel 11, liquid channel 11 runs through the rear end setting of metal stopper 9, intercommunicating pore 12 on the lateral wall of metal stopper 9, intercommunicating pore 12 intercommunication the outside of liquid channel 11 and metal stopper 9, rubber buffer 10 connects the front end at metal stopper 9, rubber buffer 10 coaxial coupling is at the front end of metal stopper 9, the diameter of rubber buffer 10 equals the diameter of metal stopper 9.
Through adopting above-mentioned technical scheme, accessible feed liquor hole 7 and play liquid hole 8 are to the inside heat preservation liquid that pours into of protection tube 2 into, come to carry out further heat preservation to steel pipe body 1 through heat preservation liquid, can pour into the warm water into.
When the metal plug 9 is screwed into the protection tube 2, the heat preservation liquid enters the protection tube 2 through the liquid channel 11 and the communication hole 12, and when the metal plug 9 moves outwards, the rubber plug can close the liquid inlet hole 7 and the liquid outlet hole 8.
Wherein, the protection tube 2 is made of metal material, and the connecting plate 3 is made of plastic material.
By adopting the technical scheme, the invention has the beneficial effects that:
according to the nickel-containing heat-insulating steel pipe and the preparation process thereof, the steel pipe body 1 is subjected to heat insulation through the rigid polyurethane foam plastic 6, the rigid polyurethane foam plastic 6 is protected through the protection pipe 2, and the rigid polyurethane foam plastic 6 is prevented from being directly heated by a heat source or open fire, so that the steel pipe has good heat insulation performance and good heat resistance.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A nickel-containing heat preservation steel pipe is characterized in that: including the steel pipe body, the steel pipe body on cup jointed the protection tube, the protection tube sets up with the steel pipe body is coaxial, the internal diameter of protection tube is greater than the external diameter of steel pipe body, is equipped with the mar on the outer wall of steel pipe body, is equipped with the mar on the inner wall of protection tube, is equipped with the connecting plate between steel pipe body and the protection tube, the both sides of connecting plate are connected with the lateral wall of steel pipe body and the inside wall of protection tube respectively, the lateral wall of steel pipe body and the inside wall of protection tube are equipped with the inserting groove of being connected with the connecting plate respectively, the connecting plate on distribute and have a plurality of through-holes, it has polyurethane rigid foamed plastic to.
2. A nickel-containing insulated steel pipe according to claim 2, characterized in that: the lateral wall of protection tube on be equipped with its inside feed liquor hole of intercommunication and go out the liquid hole, feed liquor hole and go out the liquid downthehole sealing plug that is connected with, the sealing plug includes metal stopper and rubber buffer, metal stopper and feed liquor hole and play liquid hole threaded connection, the center of metal stopper is equipped with liquid channel, liquid channel runs through the rear end setting of metal stopper, the intercommunicating pore on the lateral wall of metal stopper, the intercommunicating pore intercommunication the outside of liquid channel and metal stopper, the front end at the metal stopper is connected to the rubber buffer, rubber buffer coaxial coupling is at the front end of metal stopper, the diameter of rubber buffer equals the diameter of metal stopper.
3. A nickel-containing insulated steel pipe according to claim 2, characterized in that: the protection tube is made of metal materials, and the connecting plate is made of plastic materials.
4. A process for producing a nickel-containing insulated steel pipe, the insulated steel pipe of claim 1 being produced, characterized by comprising the steps of:
(1) processing a plurality of scratches on the outer side wall of the steel pipe body to enable the surface of the steel pipe body to be covered with the scratches;
(2) processing a plurality of scratches on the inner side wall of the protection tube to make the scratches distributed on the inner side wall of the protection tube;
(3) processing an inserting groove on the outer side wall of the steel pipe body, wherein the inserting groove extends along the length direction of the steel pipe body;
(4) processing an inserting groove on the inner side wall of the protection pipe, wherein the inserting groove extends along the length direction of the protection pipe, and the inserting groove on the protection pipe is arranged corresponding to the inserting groove on the steel pipe body;
(5) sleeving a protection tube on the steel tube body, keeping the protection tube and the steel tube body in a coaxial state, inserting a connecting plate between the protection tube and the steel tube body, and respectively inserting two sides of the connecting plate into the inserting grooves;
(6) injecting polyurethane rigid foam plastic into an annular space between the protection tube and the steel tube body, so that the annular space is fully filled with the polyurethane rigid foam plastic to form a heat insulation layer;
(7) and (5) inspecting the finished product of the manufactured heat-insulating steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010011296.2A CN111140705A (en) | 2020-01-06 | 2020-01-06 | Nickel-containing heat-insulation steel pipe and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010011296.2A CN111140705A (en) | 2020-01-06 | 2020-01-06 | Nickel-containing heat-insulation steel pipe and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111140705A true CN111140705A (en) | 2020-05-12 |
Family
ID=70523712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010011296.2A Pending CN111140705A (en) | 2020-01-06 | 2020-01-06 | Nickel-containing heat-insulation steel pipe and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111140705A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2533353Y (en) * | 2001-11-02 | 2003-01-29 | 应文华 | Inflating check valve |
| GB2401921B (en) * | 2003-01-28 | 2006-03-01 | T J Corbishley | Improvements in submarine pipelines |
| US20080277921A1 (en) * | 2005-01-17 | 2008-11-13 | Claes Ohngren | Method and a Sleeve for Joining Two Components |
| CN202188269U (en) * | 2011-07-18 | 2012-04-11 | 天津市飞龙制管有限公司 | Insulation pipe |
| CN102720898A (en) * | 2012-07-02 | 2012-10-10 | 江苏京元节能环保有限公司 | Preparation process of polyethylene sheath polyurethane heat-preserving pipe used under coal mine well |
| CN203857200U (en) * | 2014-03-31 | 2014-10-01 | 天津力峰发展有限公司 | High-performance heat insulation pipe |
| CN106917933A (en) * | 2016-03-28 | 2017-07-04 | 齐克先 | A kind of prefabricated direct-buried thermal insulation pipe of material hole with reinforcing chip and manufacture method |
| CN206468926U (en) * | 2017-02-20 | 2017-09-05 | 东莞市东日能源技术有限公司 | A kind of novel environment friendly composite thermal-insulating pipe |
| CN208503754U (en) * | 2018-02-08 | 2019-02-15 | 重庆中德防腐保温材料有限公司 | Cold and heat supply pipe prefabrication insulating tube |
| CN110056716A (en) * | 2019-04-15 | 2019-07-26 | 重庆鼎久管道有限公司 | A kind of corrosion-resistant thermal insulation composite steel tube |
| CN209262535U (en) * | 2018-10-04 | 2019-08-16 | 南京万和新材料有限公司 | A kind of municipal administration hot duct muff |
-
2020
- 2020-01-06 CN CN202010011296.2A patent/CN111140705A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2533353Y (en) * | 2001-11-02 | 2003-01-29 | 应文华 | Inflating check valve |
| GB2401921B (en) * | 2003-01-28 | 2006-03-01 | T J Corbishley | Improvements in submarine pipelines |
| US20080277921A1 (en) * | 2005-01-17 | 2008-11-13 | Claes Ohngren | Method and a Sleeve for Joining Two Components |
| CN202188269U (en) * | 2011-07-18 | 2012-04-11 | 天津市飞龙制管有限公司 | Insulation pipe |
| CN102720898A (en) * | 2012-07-02 | 2012-10-10 | 江苏京元节能环保有限公司 | Preparation process of polyethylene sheath polyurethane heat-preserving pipe used under coal mine well |
| CN203857200U (en) * | 2014-03-31 | 2014-10-01 | 天津力峰发展有限公司 | High-performance heat insulation pipe |
| CN106917933A (en) * | 2016-03-28 | 2017-07-04 | 齐克先 | A kind of prefabricated direct-buried thermal insulation pipe of material hole with reinforcing chip and manufacture method |
| CN206468926U (en) * | 2017-02-20 | 2017-09-05 | 东莞市东日能源技术有限公司 | A kind of novel environment friendly composite thermal-insulating pipe |
| CN208503754U (en) * | 2018-02-08 | 2019-02-15 | 重庆中德防腐保温材料有限公司 | Cold and heat supply pipe prefabrication insulating tube |
| CN209262535U (en) * | 2018-10-04 | 2019-08-16 | 南京万和新材料有限公司 | A kind of municipal administration hot duct muff |
| CN110056716A (en) * | 2019-04-15 | 2019-07-26 | 重庆鼎久管道有限公司 | A kind of corrosion-resistant thermal insulation composite steel tube |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200512 |
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| RJ01 | Rejection of invention patent application after publication |