CN218935541U - Prefabricated directly buried heat preservation steel pipe with good heat preservation, heat insulation and wear resistance - Google Patents

Prefabricated directly buried heat preservation steel pipe with good heat preservation, heat insulation and wear resistance Download PDF

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CN218935541U
CN218935541U CN202221167327.4U CN202221167327U CN218935541U CN 218935541 U CN218935541 U CN 218935541U CN 202221167327 U CN202221167327 U CN 202221167327U CN 218935541 U CN218935541 U CN 218935541U
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steel pipe
heat preservation
pipe body
coating
wear resistance
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陈如强
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CHINA DALIAN KEHUA HEATING PIPE CO LTD
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CHINA DALIAN KEHUA HEATING PIPE CO LTD
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E10/10Geothermal energy

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Abstract

The utility model discloses a prefabricated directly-buried heat-insulating steel pipe with good heat insulation and wear resistance, which comprises a working steel pipe body and an outer sleeve steel pipe body, wherein the working steel pipe body comprises a working steel pipe base layer, a high-molecular ceramic polymer coating and a polyurea coating, and fixing seats are fixedly connected to the periphery of the outer surface of the working steel pipe body. According to the utility model, under the interaction of the working steel pipe body, the high-molecular ceramic polymer coating, the polyurea coating, the outer sleeve steel pipe body, the supporting rod, the movable plate, the fixed seat, the sliding rod, the first spring and the second spring, the corrosion resistance and the wear resistance of the heat preservation steel pipe are effectively improved, the probability of corrosion and wear in the heat preservation steel pipe in the use process is reduced, the buffering protection performance of the heat preservation steel pipe is effectively improved, the influence on the inside of the heat preservation steel pipe caused by direct collision of external objects is reduced, and the service life of the heat preservation steel pipe is prolonged.

Description

Prefabricated directly buried heat preservation steel pipe with good heat preservation, heat insulation and wear resistance
Technical Field
The utility model relates to the technical field of heat-insulating steel pipes, in particular to a prefabricated directly-buried heat-insulating steel pipe with good heat-insulating and wear-resisting properties.
Background
The heat-insulating steel pipe is a steel pipe which ensures that the internal temperature and the surface temperature of the working steel pipe meet or meet the use requirements under the action of different working environments and external media after being processed by a heat-insulating process, the heat-insulating pipe is widely used for liquid and gas conveying pipe networks, and the heat-insulating pipe is widely used for petroleum, chemical industry, central heating and heating networks, central air conditioning ventilation pipes, municipal engineering and the like in chemical industry, however, the conventional heat-insulating steel pipe does not have the buffering function, has poor abrasion resistance effect, is easy to be damaged in the use process due to the collision of external objects and the abrasion of the conveying media, and reduces the service life of the heat-insulating steel pipe.
Disclosure of Invention
The utility model aims to provide a prefabricated directly-buried heat-insulating steel pipe with good heat-insulating and wear-resistant performances, which has the advantages of good buffering and wear-resistant effects and improved overall service life, and solves the problems that the existing heat-insulating steel pipe does not have the buffering function, has poor wear-resistant effects, and is easy to be damaged in the inside due to collision of external objects and abrasion of conveying media in the using process.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a prefabricated direct-burried heat preservation steel pipe that heat preservation thermal-insulated wear resistance is good, includes work steel pipe body and overcoat steel pipe body, the work steel pipe body includes work steel pipe basic unit, polymer ceramic polymer coating and polyurea coating, equal fixedly connected with fixing base all around of work steel pipe body surface, fixedly connected with slide bar between the both sides of fixing base inner chamber, the equal swing joint in both ends of slide bar has the fly leaf, two fixedly connected with second spring between the middle-end of one side that the fly leaf is close to each other, two fixedly connected with first spring between one side that the fly leaf kept away from each other and the inner chamber of fixing base, there is the bracing piece through round pin axle swing joint between one side that the fly leaf was kept away from the work steel pipe body and the inner surface of overcoat steel pipe body.
Preferably, the outer sleeve steel pipe body comprises an outer sleeve steel pipe base layer, an epoxy coal tar pitch anti-corrosion coating and an epoxy glass flake coating, wherein the inner surface of the epoxy coal tar pitch anti-corrosion coating is coated on the outer surface of the outer sleeve steel pipe base layer, and the inner surface of the epoxy glass flake coating is coated on the outer surface of the epoxy coal tar pitch anti-corrosion coating.
Preferably, the outer surface of the high-molecular ceramic polymer coating is coated on the inner surface of the working steel pipe base layer, and the outer surface of the polyurea coating is coated on the inner surface of the high-molecular ceramic polymer coating.
Preferably, the outer surface of the working steel pipe body is sleeved with a heat preservation sleeve body, and stainless steel hoops are fixedly arranged at two ends of the outer surface of the heat preservation sleeve body.
Preferably, the insulation sleeve body comprises a polyurethane foam layer, an aluminum foil cotton layer and an aluminum silicate fiber felt layer, wherein the inner surface of the aluminum silicate fiber felt layer is sleeved on the outer surface of the aluminum foil cotton layer, and the inner surface of the aluminum foil cotton layer is sleeved on the outer surface of the polyurethane foam layer.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the arrangement of the high polymer ceramic polymer coating and the polyurea coating in the working steel pipe body, as the high polymer ceramic polymer coating and the polyurea coating have good corrosion resistance and wear resistance, double-layer corrosion resistance and wear resistance protection are formed on the inner surface of the working steel pipe body, thereby greatly improving the corrosion resistance and wear resistance of the working steel pipe body, and through the arrangement of the outer sleeve steel pipe body, good strength protection is formed around the working steel pipe body, the protection performance of the working steel pipe body is effectively improved, and when the outer sleeve steel pipe body is collided by objects to move, the supporting rod can be driven to move, the movable plate is driven to move along the surface of the sliding rod on the fixing seat, and the first spring and the second spring are respectively extruded or stretched, so that the first spring and the second spring are deformed, the impact on the outer sleeve steel pipe body is effectively buffered, the impact on the working steel pipe body caused by the collision is effectively reduced, the protection performance of the working steel pipe body is further improved, the corrosion resistance and the performance of the whole steel pipe body are effectively improved, the protection performance of the working steel pipe body is collided by the whole is effectively improved, the protection performance of the working steel pipe is improved, the inside is directly influenced by the collision and the heat insulation medium is not damaged, the internal heat insulation is easily damaged, the thermal insulation is directly has the internal heat insulation protection performance is improved, and the thermal insulation performance of the steel pipe is directly has the thermal insulation protection performance is more easily damaged, and the thermal insulation is more has the internal heat insulation protection performance is has the thermal insulation protection performance.
2. According to the utility model, through the arrangement of the epoxy coal tar pitch corrosion-resistant coating and the epoxy glass flake coating in the outer sleeve steel pipe body, as the epoxy coal tar pitch corrosion-resistant coating and the epoxy glass flake coating have excellent corrosion resistance, the epoxy glass flake coating has excellent wear resistance, the corrosion resistance and the wear resistance of the outer sleeve steel pipe body are effectively improved, the aim of fixing the heat insulation sleeve body and the working steel pipe body is fulfilled through the arrangement of the stainless steel hoops, and the polyurethane foam layer, the aluminum foil cotton layer and the aluminum silicate fiber felt layer in the heat insulation sleeve body are all provided with excellent heat insulation performance, so that multi-level heat insulation protection is formed around the working steel pipe body, the probability of diffusion of the medium temperature inside the working steel pipe body to the outside is effectively reduced, and the integral heat insulation effect is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic sectional view of a fixing base of the present utility model;
fig. 3 is a schematic view of the body structure of the insulation jacket of the present utility model.
In the figure: 1. sleeving the steel pipe body; 11. coating a steel pipe base layer; 12. an epoxy coal tar pitch anticorrosive coating; 13. an epoxy glass flake coating; 2. stainless steel hoops; 3. a support rod; 4. a fixing seat; 5. a thermal insulation sleeve body; 51. a polyurethane foam layer; 52. an aluminum foil cotton layer; 53. an aluminum silicate fiber felt layer; 6. a working steel pipe body; 61. working a steel pipe base layer; 62. a high molecular ceramic polymer coating; 63. a polyurea coating; 7. a first spring; 8. a movable plate; 9. a slide bar; 10. and a second spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a prefabricated directly buried heat preservation steel pipe with good heat preservation, heat insulation and wear resistance comprises a working steel pipe body 6 and an outer sleeve steel pipe body 1, wherein the outer sleeve steel pipe body 1 comprises an outer sleeve steel pipe base layer 11, an epoxy coal tar pitch corrosion-resistant coating 12 and an epoxy glass flake coating 13, the inner surface of the epoxy coal tar pitch corrosion-resistant coating 12 is coated on the outer surface of the outer sleeve steel pipe base layer 11, the inner surface of the epoxy glass flake coating 13 is coated on the outer surface of the epoxy coal tar pitch corrosion-resistant coating 12, and due to the arrangement of the epoxy coal tar pitch corrosion-resistant coating 12 and the epoxy glass flake coating 13 in the outer sleeve steel pipe body 1, the epoxy coal tar pitch corrosion-resistant coating 12 and the epoxy glass flake coating 13 have excellent corrosion resistance, and the epoxy glass flake coating 13 has excellent wear resistance, thus the corrosion resistance and wear resistance of the outer sleeve steel pipe body 1 are effectively improved, the outer surface of the working steel pipe body 6 is sleeved with a heat preservation sleeve body 5, stainless steel hoops 2 are fixedly arranged at two ends of the outer surface of the heat preservation sleeve body 5, the purpose of fixing the heat preservation sleeve body 5 and the working steel pipe body 6 is achieved through the arrangement of the stainless steel hoops 2, the heat preservation sleeve body 5 comprises a polyurethane foam layer 51, an aluminum foil cotton layer 52 and an aluminum silicate fiber felt layer 53, the inner surface of the aluminum silicate fiber felt layer 53 is sleeved on the outer surface of the aluminum foil cotton layer 52, the inner surface of the aluminum foil cotton layer 52 is sleeved on the outer surface of the polyurethane foam layer 51, the aluminum foil cotton layer 52 and the aluminum silicate fiber felt layer 53 in the heat preservation sleeve body 5 are all provided with excellent heat preservation and insulation performance, multi-level heat preservation and heat insulation protection is formed around the working steel pipe body 6, the probability of the diffusion of the medium temperature inside the working steel pipe body 6 to the outside is effectively reduced, the integral heat preservation and insulation effect is improved, the working steel pipe body 6 comprises a working steel pipe base layer 61, a high-molecular ceramic polymer coating 62 and a polyurea coating 63, the outer surface of the high-molecular ceramic polymer coating 62 is coated on the inner surface of the working steel pipe base layer 61, the outer surface of the polyurea coating 63 is coated on the inner surface of the high-molecular ceramic polymer coating 62, the periphery of the outer surface of the working steel pipe body 6 is fixedly connected with a fixed seat 4, a sliding rod 9 is fixedly connected between two sides of an inner cavity of the fixed seat 4, two ends of the sliding rod 9 are movably connected with movable plates 8, a second spring 10 is fixedly connected between the middle ends of the two movable plates 8 close to one side, a first spring 7 is fixedly connected between one side of the two movable plates 8 which are far away from each other and the inner cavity of the fixed seat 4, the support rod 3 is movably connected between one side of the movable plate 8 far away from the working steel pipe body 6 and the inner surface of the outer sleeve steel pipe body 1 through the pin shaft, and the high polymer ceramic polymer coating 62 and the polyurea coating 63 in the working steel pipe body 6 are arranged, as the high polymer ceramic polymer coating 62 and the polyurea coating 63 have good corrosion resistance and wear resistance, the inner surface of the working steel pipe body 6 is provided with double-layer corrosion resistance and wear resistance protection, thus greatly improving the corrosion resistance and wear resistance of the working steel pipe body 6, and the periphery of the working steel pipe body 6 is provided with good strength protection through the outer sleeve steel pipe body 1, the protection performance of the working steel pipe body 6 is effectively improved, and when the outer sleeve steel pipe body 1 is impacted by an object to move, the support rod 3 can be driven to move, and drive fly leaf 8 to remove along the surface of slide bar 9 on fixing base 4 to produce extrusion or tensile to first spring 7 and second spring 10 respectively, make first spring 7 and second spring 10 produce deformation, and can carry out effectual buffering to the collision that outer steel pipe body 1 received, effectually reduced the influence that the collision caused to work steel pipe body 6, further improved the barrier property of work steel pipe body 6, under whole complex effect, the effectual corrosion-resistant and the abrasion resistance who has improved this heat preservation steel pipe, the inside probability of receiving corrosion and wearing and tearing in this heat preservation steel pipe use has been reduced, the effectual buffering barrier property who has improved this heat preservation steel pipe simultaneously, the influence that the external object direct collision caused to this heat preservation steel pipe inside has been reduced, the life of this heat preservation steel pipe has been improved, the problem that the inside appearance appears in the circumstances of the easy wearing and tearing that damages of external object collision and conveying medium was received in the use has been solved to the present heat preservation steel pipe and has not had the buffering function, and the abrasion resistance is relatively poor.
During the use, through the setting of polymer ceramic polymer coating 62 and polyurea coating 63 in the work steel pipe body 6, owing to polymer ceramic polymer coating 62 and polyurea coating 63 all possess good corrosion-resistant and stand wear and tear resistance, the internal surface at work steel pipe body 6 has formed double-deck corrosion-resistant and stand wear and tear protection, thereby very big improvement the corrosion-resistant and stand wear and tear resistance of work steel pipe body 6, and through the setting of overcoat steel pipe body 1, good intensity protection has been formed around work steel pipe body 6, the effectual protective properties who has improved work steel pipe body 6, and when overcoat steel pipe body 1 receives object collision and produces and remove, can drive bracing piece 3, and drive fly leaf 8 and remove along the surface of slide bar 9 on fixing base 4, and produce extrusion or tensile to first spring 7 and second spring 10 respectively, make first spring 7 and second spring 10 produce the deformation, and the effectual buffering of collision that can be external steel pipe body 1 received, the effectual impact that has reduced the collision caused work steel pipe body 6, further improve the protective properties of work steel pipe body 6 has formed good intensity protection, the effectual improvement of collision has carried out the inside steel pipe body 6, the thermal insulation performance that has improved the inside has been used under the steel pipe collision-resistant and has reduced the heat preservation performance, this heat preservation life, the thermal insulation has been reduced and has been used the inside the heat preservation, and has been improved the thermal insulation, the thermal insulation process has been improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a thermal-insulated prefabricated direct-burried heat preservation steel pipe that wear resistance is good, includes work steel pipe body (6) and overcoat steel pipe body (1), its characterized in that: working steel pipe body (6) are including working steel pipe basic unit (61), polymer ceramic polymer coating (62) and polyurea coating (63), all around of working steel pipe body (6) surface all fixedly connected with fixing base (4), fixedly connected with slide bar (9) between the both sides of fixing base (4) inner chamber, the equal swing joint in both ends of slide bar (9) has fly leaf (8), two fixedly connected with second spring (10) between the middle-end of fly leaf (8) each other being close to one side, two fixedly connected with first spring (7) between one side that fly leaf (8) kept away from each other and the inner chamber of fixing base (4), through round pin axle swing joint bracing piece (3) between one side that one side and keeping away from working steel pipe body (6) and the internal surface of overcoat steel pipe body (1).
2. The prefabricated directly buried heat preservation steel pipe with good heat preservation, heat insulation and wear resistance according to claim 1, which is characterized in that: the steel pipe body (1) comprises a steel pipe base layer (11), an epoxy coal tar pitch anti-corrosion coating (12) and an epoxy glass flake coating (13), wherein the inner surface of the epoxy coal tar pitch anti-corrosion coating (12) is coated on the outer surface of the steel pipe base layer (11), and the inner surface of the epoxy glass flake coating (13) is coated on the outer surface of the epoxy coal tar pitch anti-corrosion coating (12).
3. The prefabricated directly buried heat preservation steel pipe with good heat preservation, heat insulation and wear resistance according to claim 1, which is characterized in that: the outer surface of the high-molecular ceramic polymer coating (62) is coated on the inner surface of the working steel pipe base layer (61), and the outer surface of the polyurea coating (63) is coated on the inner surface of the high-molecular ceramic polymer coating (62).
4. The prefabricated directly buried heat preservation steel pipe with good heat preservation, heat insulation and wear resistance according to claim 1, which is characterized in that: the outer surface of the working steel pipe body (6) is sleeved with a heat preservation sleeve body (5), and stainless steel hoops (2) are fixedly arranged at two ends of the outer surface of the heat preservation sleeve body (5).
5. The prefabricated directly buried heat preservation steel pipe with good heat preservation, heat insulation and wear resistance according to claim 4, which is characterized in that: the heat preservation sleeve body (5) comprises a polyurethane foam layer (51), an aluminum foil cotton layer (52) and an aluminum silicate fiber felt layer (53), wherein the inner surface of the aluminum silicate fiber felt layer (53) is sleeved on the outer surface of the aluminum foil cotton layer (52), and the inner surface of the aluminum foil cotton layer (52) is sleeved on the outer surface of the polyurethane foam layer (51).
CN202221167327.4U 2022-05-16 2022-05-16 Prefabricated directly buried heat preservation steel pipe with good heat preservation, heat insulation and wear resistance Active CN218935541U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221167327.4U CN218935541U (en) 2022-05-16 2022-05-16 Prefabricated directly buried heat preservation steel pipe with good heat preservation, heat insulation and wear resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221167327.4U CN218935541U (en) 2022-05-16 2022-05-16 Prefabricated directly buried heat preservation steel pipe with good heat preservation, heat insulation and wear resistance

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CN218935541U true CN218935541U (en) 2023-04-28

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