CN213361370U - High-temperature-resistant prefabricated heat-insulation pipe - Google Patents
High-temperature-resistant prefabricated heat-insulation pipe Download PDFInfo
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- CN213361370U CN213361370U CN202020960590.3U CN202020960590U CN213361370U CN 213361370 U CN213361370 U CN 213361370U CN 202020960590 U CN202020960590 U CN 202020960590U CN 213361370 U CN213361370 U CN 213361370U
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- polyurethane foam
- rigid polyurethane
- steel pipe
- limiting block
- pipe
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Abstract
The utility model discloses a can prefabricated insulating tube of high temperature resistant type relates to the insulating tube field, and the high temperature resistant intensity of the current insulating tube of solving among the prior art is not enough, increases the material by force, can arouse pipe shaft weight increase, the inconvenient problem of installing the work that carries on. The outer surface of the composite steel pipe is provided with a first sleeve, the outside of the first sleeve is provided with a second sleeve, the inner surface of the first sleeve is provided with outer rigid polyurethane foam plastic, the outer surface of the composite steel pipe is provided with inner rigid polyurethane foam plastic, the inner surfaces of the outer rigid polyurethane foam plastic and the inner rigid polyurethane foam plastic are provided with inner limiting grooves, the inner surface of the outer rigid polyurethane foam plastic is provided with an inner limiting block, microporous calcium silicate reinforcing ribs are arranged inside the outer limiting block and the inner limiting block, the inside of the second sleeve is provided with an aluminum silicate interlayer, and the outer surface of the second sleeve is provided with a reinforcing ring.
Description
Technical Field
The utility model relates to a insulating tube technical field specifically is a can be high temperature resistant type prefabricated insulating tube.
Background
The heat preservation pipe is a short name of a heat insulation pipeline, is used for conveying liquid, gas and other media, the heat insulation pipe is suitable for conveying various media within the range of-50 ℃ to 150 ℃ in heat insulation engineering of pipelines of petroleum, chemical engineering, aerospace, hot springs to military, central heating, central air conditioning, municipal administration and the like, is widely applied to conveying of central heating, cooling and hot oil and heat insulation and cold insulation engineering of industries such as a heating room, a refrigeration house, a coal mine, petroleum, chemical engineering and the like, is a polyurethane material which is the most commonly used heat insulation material in the world at present, and has a plurality of excellent performances, the heat-insulating pipe is widely applied to the field of heat insulation in European and American countries, is an important factor influencing energy conservation, is more and more generally emphasized by countries in the world in development and application, has a long history in foreign heat-insulating industry, and novel heat-insulating materials are continuously emerging.
Before 1980, the development of heat preservation pipes in China is very slow, and a few heat preservation plants can only produce a small amount of underground directly-buried heat preservation pipes, but the heat preservation industry in China is struggled for more than 30 years, particularly through the high-speed development of nearly 10 years, a large number of products are developed from inexhaustible products, from single products to diversified products, the quality is from low to high, the application is more and more common, but the existing heat preservation pipes are insufficient in high-temperature resistance strength, and the weight of pipe bodies is increased due to the forced increase of materials, so that the installation work is inconvenient; therefore, the market urgently needs to develop a high-temperature-resistant prefabricated heat-insulating pipe to help people to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can prefabricated insulating tube of high temperature resistant type to the high temperature resistant intensity of the current insulating tube that provides in solving above-mentioned background art is not enough, increases the material by force, can arouse pipe shaft weight increase, the inconvenient problem of installing work that carries on.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can prefabricated insulating tube of high temperature resistant type, includes composite steel pipe, composite steel pipe's surface mounting has first sleeve pipe, first sheathed tube outside is provided with the second sleeve pipe, the internal surface mounting of first sleeve pipe has outer rigid polyurethane foam, outer rigid polyurethane foam sets up structure as an organic whole with first sleeve pipe, rigid polyurethane foam in the surface mounting of composite steel pipe, interior rigid polyurethane foam sets up structure as an organic whole with composite steel pipe, interior rigid polyurethane foam and outer rigid polyurethane foam looks block.
Preferably, the inner surfaces of the outer rigid polyurethane foam and the inner rigid polyurethane foam are both provided with inner limiting grooves, and the inner limiting grooves in the outer rigid polyurethane foam are clamped with the inner limiting grooves in the inner rigid polyurethane foam.
Preferably, an inner limiting block is arranged on the inner surface of the outer rigid polyurethane foam, the inner limiting block and the outer rigid polyurethane foam are arranged to be of an integrated structure, an outer limiting block is arranged on the outer surface of the inner rigid polyurethane foam, the outer limiting block and the inner rigid polyurethane foam are arranged to be of an integrated structure, the outer limiting block and the inner limiting block are clamped, microporous calcium silicate reinforcing ribs are arranged inside the outer limiting block and the inner limiting block, and the microporous calcium silicate reinforcing ribs are fixedly connected with the outer limiting block and the inner limiting block.
Preferably, the second sleeve pipe is attached to the first sleeve pipe, an aluminum silicate interlayer is arranged inside the second sleeve pipe, the thickness of the aluminum silicate interlayer is half of that of the second sleeve pipe, reinforcing rings are arranged on the outer surface of the second sleeve pipe, and the number of the reinforcing rings is four.
Preferably, the second sleeve pipe externally mounted has the connecting rod, the connecting rod is provided with four, four the connecting rod all passes four inside reinforcing rings respectively with four reinforcing ring fixed connection.
Preferably, the inner surface of the composite steel pipe is provided with an aluminum foil reflecting layer, the outer surface of the aluminum foil reflecting layer is provided with a polyurethane heat-insulating layer, the polyurethane heat-insulating layer is respectively bonded with the aluminum foil reflecting layer and the composite steel pipe, the two sides of the composite steel pipe are respectively provided with a connecting flange, a flange hole is formed in the connecting flange, the connecting flange is connected with the composite steel pipe in a welded mode, and a through hole is formed in the composite steel pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a through the setting of second sleeve pipe, when the insulating tube is used for a long time, the interior rigid polyurethane foam of compound steel pipe surface can effectively absorb the heat that compound steel pipe released, and interior rigid polyurethane foam can effectively avoid appearing because of the condition that outside water oxygen molecule appears the leak point with compound steel pipe outer wall reaction, help prolonging the life of working pipe, also can effectively improve high temperature resistance, the second sleeve pipe is after installing compound steel pipe outside, can pass through the block of interior rigid polyurethane foam and the outer rigid polyurethane foam of internal surface, thereby make compound steel pipe inner structure keep fixed, avoid compound steel pipe rotation to lead to the reduction of insulation construction efficiency, through the micropore reinforcing muscle inside outer rigid polyurethane foam and interior rigid polyurethane foam, when further improving insulation performance, can effectively promote the mechanical strength of second sheathed tube, and then effectively prevent that it from taking place the condition of middle fracture because of receiving external impact force effect to having certain guard action to compound steel pipe, helping to further prolong the life of working pipe, promoted the compressive strength that intensity has also promoted compound steel pipe, thereby can further promote the high temperature resistance performance of insulating tube.
2. The utility model discloses a through the interbedded setting of aluminium silicate, the cavity that first sleeve pipe inside was equipped with can effectively reduce first sheathed tube whole weight, through at cavity internally mounted aluminium silicate intermediate layer, can improve that first sleeve pipe is high temperature resistant strong, and the interbedded quality of aluminium silicate is less than the quality of composite steel pipe, can effectively reduce body weight to conveniently install.
3. The utility model discloses a through the setting of beaded finish, can further improve the outside structural strength of first sleeve pipe, second sleeve pipe and compound steel pipe at first sleeve pipe externally mounted beaded finish, cooperate many connecting rods to improve the stability of compound steel pipe to make compound steel pipe in long-term use, keep the vertical stability of structure, thereby prolong insulation construction's life.
Drawings
Fig. 1 is a front view of a high temperature resistant prefabricated heat preservation pipe of the present invention;
FIG. 2 is a side view of the high temperature resistant prefabricated thermal insulation pipe of the present invention;
FIG. 3 is an internal structure view of the high temperature resistant prefabricated thermal insulation pipe of the present invention;
fig. 4 is a cross-sectional view of the side of the high temperature resistant prefabricated thermal insulation pipe of the utility model.
In the figure: 1. compounding a steel pipe; 2. a connecting flange; 3. a first sleeve; 4. a second sleeve; 5. a reinforcement ring; 6. a connecting rod; 7. a flange hole; 8. an aluminum foil reflective layer; 9. an aluminum silicate interlayer; 10. an outer rigid polyurethane foam; 11. internal rigid polyurethane foams; 12. an internal limiting groove; 13. a polyurethane heat-insulating layer; 14. a port; 15. an inner limiting block; 16. an outer stop block; 17. microporous calcium silicate reinforcing ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, the present invention provides an embodiment: a high-temperature-resistant prefabricated heat-insulating pipe comprises a composite steel pipe 1, a first sleeve 3 is mounted on the outer surface of the composite steel pipe 1, a second sleeve 4 is arranged outside the first sleeve 3, an outer rigid polyurethane foam 10 is mounted on the inner surface of the first sleeve 3, the outer rigid polyurethane foam 10 and the first sleeve 3 are arranged into an integral structure, an inner rigid polyurethane foam 11 is mounted on the outer surface of the composite steel pipe 1, the inner rigid polyurethane foam 11 and the composite steel pipe 1 are arranged into an integral structure, the inner rigid polyurethane foam 11 and the outer rigid polyurethane foam 10 are clamped, the inner rigid polyurethane foam 11 on the outer surface of the composite steel pipe 1 can effectively absorb heat released by the composite steel pipe 1, and the inner rigid polyurethane foam 11 can effectively avoid the situation that leakage points occur due to the reaction of external water oxygen molecules and the outer wall of the composite steel pipe 1, the service life of the working pipe is prolonged, and the high-temperature resistance can be effectively improved.
Further, the inner surfaces of the outer rigid polyurethane foam 10 and the inner rigid polyurethane foam 11 are provided with inner limiting grooves 12, the inner limiting grooves 12 in the outer rigid polyurethane foam 10 are clamped with the inner limiting grooves 12 in the inner rigid polyurethane foam 11, the outer rigid polyurethane foam 10 and the inner rigid polyurethane foam 11 are clamped through the inner surfaces, accordingly, the inner structure of the composite steel pipe 1 is kept fixed, and the reduction of the heat insulation structure efficiency caused by the rotation of the composite steel pipe 1 is avoided.
Further, an inner limiting block 15 is arranged on the inner surface of the outer rigid polyurethane foam 10, the inner limiting block 15 and the outer rigid polyurethane foam 10 are arranged into an integral structure, an outer limiting block 16 is arranged on the outer surface of the inner rigid polyurethane foam 11, the outer limiting block 16 and the inner rigid polyurethane foam 11 are arranged into an integral structure, the outer limiting block 16 is clamped with the inner limiting block 15, microporous calcium silicate reinforcing ribs 17 are arranged inside the outer limiting block 16 and the inner limiting block 15, the microporous calcium silicate reinforcing ribs 17 are fixedly connected with the outer limiting block 16 and the inner limiting block 15, the mechanical strength of the second sleeve 4 can be effectively improved through the microporous calcium silicate reinforcing ribs 17 inside the outer rigid polyurethane foam 10 and the inner rigid polyurethane foam 11, the heat insulation performance is further improved, and the middle fracture of the second sleeve can be effectively prevented from being caused by the action of external impact force, thereby having certain protection effect on the composite steel pipe 1.
Further, second sleeve 4 and the laminating of first sleeve 3, the inside of second sleeve 4 is provided with aluminium silicate intermediate layer 9, and the thickness of aluminium silicate intermediate layer 9 sets up to the half of the thickness of second sleeve 4, and the surface mounting of second sleeve 4 has beaded finish 5, and beaded finish 5 is provided with four, and four beaded finishes 5 all with second sleeve 4 welded connection, and beaded finish 5 can further improve the outside structural strength of first sleeve 3, second sleeve 4 and compound steel pipe 1.
Further, the externally mounted of second sleeve 4 has connecting rod 6, and connecting rod 6 is provided with four, and four connecting rods all pass four 5 inside respectively with four 5 fixed connection of beaded finish, cooperate many connecting rods 6 to improve compound steel pipe 1's stability to make compound steel pipe 1 in long-term use, keep the structure vertical stable.
Further, the internal surface of composite steel pipe 1 is provided with aluminium foil reflection stratum 8, the surface of aluminium foil reflection stratum 8 is provided with polyurethane heat preservation 13, polyurethane heat preservation 13 binds with aluminium foil reflection stratum 8 and composite steel pipe 1 respectively and is connected, composite steel pipe 1's both sides all are provided with flange 2, flange 2's inside is provided with flange hole 7, flange 2 and composite steel pipe 1 welded connection, composite steel pipe 1's inside is provided with opening 14, conveniently install and connect composite steel pipe 1 through flange 2.
The working principle is as follows: when the heat preservation pipe is used, the composite steel pipe 1 is installed and connected through the connecting flange 2, when the heat preservation pipe is used for a long time, the inner rigid polyurethane foam plastic 11 on the outer surface of the composite steel pipe 1 can effectively absorb heat released by the composite steel pipe 1, the inner rigid polyurethane foam plastic 11 can effectively avoid the situation that a leakage point occurs due to the reaction of external water oxygen molecules and the outer wall of the composite steel pipe 1, after the second sleeve 4 is installed outside the composite steel pipe 1, the inner rigid polyurethane foam plastic 11 can be clamped with the outer rigid polyurethane foam plastic 10 on the inner surface, so that the inner structure of the composite steel pipe 1 is kept fixed, the reduction of the heat preservation structure efficiency caused by the rotation of the composite steel pipe 1 is avoided, and the heat preservation performance is further improved through the outer rigid polyurethane foam plastic 10 and the microporous calcium silicate reinforcing ribs 17 inside the inner rigid polyurethane foam plastic 11, can effectively promote the mechanical strength of second sleeve 4, and then effectively prevent it because of receiving the cracked condition in the middle of the external impact force effect takes place, thereby have certain guard action to compound steel pipe 1, the compressive strength that intensity has also promoted compound steel pipe 1 has been promoted, thereby can further promote the high temperature resistance ability of insulating tube, can further improve first sleeve 3 at first sleeve 3 externally mounted beaded finish 5, the structural strength of second sleeve 4 and compound steel pipe 1 outside, many connecting rods of cooperation 6 improve compound steel pipe 1's stability, thereby make compound steel pipe 1 in long-term use, keep the structure vertical stable, thereby prolong insulation structure's life.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a can high temperature resistant type prefabricated insulating tube, includes composite steel pipe (1), its characterized in that: the outer surface mounting of compound steel pipe (1) has first sleeve pipe (3), the outside of first sleeve pipe (3) is provided with second sleeve pipe (4), the interior surface mounting of first sleeve pipe (3) has outer rigid polyurethane foam (10), outer rigid polyurethane foam (10) set up structure as an organic whole with first sleeve pipe (3), the outer surface mounting of compound steel pipe (1) has interior rigid polyurethane foam (11), interior rigid polyurethane foam (11) set up structure as an organic whole with compound steel pipe (1), interior rigid polyurethane foam (11) and outer rigid polyurethane foam (10) looks block.
2. The prefabricated heat-insulating pipe capable of resisting high temperature according to claim 1, characterized in that: the inner surfaces of the outer rigid polyurethane foam (10) and the inner rigid polyurethane foam (11) are respectively provided with an inner limiting groove (12), and the inner limiting groove (12) in the outer rigid polyurethane foam (10) is clamped with the inner limiting groove (12) in the inner rigid polyurethane foam (11).
3. The prefabricated heat-insulating pipe capable of resisting high temperature according to claim 1, characterized in that: the inner surface of the outer rigid polyurethane foam plastic (10) is provided with an inner limiting block (15), the inner limiting block (15) and the outer rigid polyurethane foam plastic (10) are arranged into an integral structure, the outer surface of the inner rigid polyurethane foam plastic (11) is provided with an outer limiting block (16), the outer limiting block (16) and the inner rigid polyurethane foam plastic (11) are arranged into an integral structure, the outer limiting block (16) is clamped with the inner limiting block (15), microporous calcium silicate reinforcing ribs (17) are arranged inside the outer limiting block (16) and the inner limiting block (15), and the microporous calcium silicate reinforcing ribs (17) are fixedly connected with the outer limiting block (16) and the inner limiting block (15).
4. The prefabricated heat-insulating pipe capable of resisting high temperature according to claim 1, characterized in that: second sleeve pipe (4) and first sleeve pipe (3) laminating, the inside of second sleeve pipe (4) is provided with aluminium silicate intermediate layer (9), the thickness of aluminium silicate intermediate layer (9) sets up to the half of the thickness of second sleeve pipe (4), the surface mounting of second sleeve pipe (4) has beaded finish (5), beaded finish (5) are provided with four, four beaded finish (5) all with second sleeve pipe (4) welded connection.
5. The prefabricated heat-insulating pipe capable of resisting high temperature according to claim 3, wherein: the outside mounting of second sleeve pipe (4) has connecting rod (6), connecting rod (6) are provided with four, four the connecting rod all passes four beaded finish (5) insides respectively with four beaded finish (5) fixed connection.
6. The prefabricated heat-insulating pipe capable of resisting high temperature according to claim 1, characterized in that: the internal surface of compound steel pipe (1) is provided with aluminium foil reflection stratum (8), the surface of aluminium foil reflection stratum (8) is provided with polyurethane heat preservation (13), polyurethane heat preservation (13) bind with aluminium foil reflection stratum (8) and compound steel pipe (1) respectively and are connected, the both sides of compound steel pipe (1) all are provided with flange (2), the inside of flange (2) is provided with flange hole (7), flange (2) and compound steel pipe (1) welded connection, the inside of compound steel pipe (1) is provided with opening (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020960590.3U CN213361370U (en) | 2020-06-01 | 2020-06-01 | High-temperature-resistant prefabricated heat-insulation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020960590.3U CN213361370U (en) | 2020-06-01 | 2020-06-01 | High-temperature-resistant prefabricated heat-insulation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213361370U true CN213361370U (en) | 2021-06-04 |
Family
ID=76126148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020960590.3U Expired - Fee Related CN213361370U (en) | 2020-06-01 | 2020-06-01 | High-temperature-resistant prefabricated heat-insulation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213361370U (en) |
-
2020
- 2020-06-01 CN CN202020960590.3U patent/CN213361370U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210604 |
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| CF01 | Termination of patent right due to non-payment of annual fee |