CN216158598U - Novel prefabricated direct-burried insulating tube heat preservation elbow - Google Patents
Novel prefabricated direct-burried insulating tube heat preservation elbow Download PDFInfo
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- CN216158598U CN216158598U CN202122133723.7U CN202122133723U CN216158598U CN 216158598 U CN216158598 U CN 216158598U CN 202122133723 U CN202122133723 U CN 202122133723U CN 216158598 U CN216158598 U CN 216158598U
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- pipe
- heat preservation
- heat
- elbow
- connecting pipe
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- 238000004321 preservation Methods 0.000 title claims abstract description 51
- 238000003466 welding Methods 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 4
- 229920001903 high density polyethylene Polymers 0.000 claims description 4
- 239000004700 high-density polyethylene Substances 0.000 claims description 4
- 239000011496 polyurethane foam Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000011810 insulating material Substances 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 15
- 239000012774 insulation material Substances 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001447 compensatory effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses a novel prefabricated directly-buried heat-insulating pipe heat-insulating elbow, which comprises a connecting pipe and an inner elbow pipe, wherein the upper end of the connecting pipe is provided with the inner elbow pipe, the outer wall of the inner elbow pipe is provided with a heat-insulating layer, the outer wall of the heat-insulating layer is provided with an outer sleeve pipe, the connecting pipe and the inner elbow pipe are fixedly connected through a fixing device, the fixing device comprises a fixing block and a fixing groove, the fixing block is ensured to be inserted into the fixing groove when in alignment, no gap is formed between the inner elbow pipe and the connecting pipe, then welding is carried out by using an electric welding machine, the welded part can be wrapped with a heat-insulating material after the welding is finished and cooling is finished, thus the integral body can have a better heat-insulating effect, then the rest parts are connected by using the same method, the electric welding machine can be used after the connection is finished, and water flows from the inner elbow pipe when in use, then the outside is kept warm through the heat preservation, plays the effect of protection through the outer tube finally.
Description
Technical Field
The utility model belongs to the technical field of heat preservation elbows, and particularly relates to a novel prefabricated directly-buried heat preservation pipe heat preservation elbow.
Background
The heat-insulating elbow is one of heat-insulating pipe fittings and is formed by tightly combining a high-density polyethylene outer sleeve, a polyurethane foam heat-insulating layer and an inner working steel pipe. The heat preservation elbow is mainly used for turning to of heat preservation straight tube, generally uses with insulating tube is supporting, is used for the compensatory action when designing according to heat preservation engineering pipeline, makes the elbow position also can have sufficient thermal insulation performance, standard elbow angle: the temperature-keeping elbow is widely used in liquid and gas conveying pipe networks, chemical pipeline heat-keeping engineering petroleum, chemical, central heating and heat supply networks, central air-conditioning ventilation pipelines and municipal engineering pipelines at the turning positions of 30 degrees, 45 degrees, 60 degrees and 90 degrees. The heat-insulating pipe is a direct-buried prefabricated heat-insulating pipe with good heat-insulating property, safety, reliability and low construction cost. The problems of heat preservation pipes, heat preservation of bent parts, sliding lubrication, water prevention and corrosion prevention of exposed pipe ends and bent parts in various pipeline projects such as heat supply, cold supply, heating power, electric power, chemical engineering and the like are effectively solved. The heat-insulating straight pipe has advanced technology and practical performance which are difficult to compare with the traditional trench and overhead laying pipeline, and also has remarkable social and economic benefits and steering of the heat-insulating straight pipe.
The existing prefabricated direct-burried insulating tube heat preservation elbow technology has the following problems: the existing prefabricated direct-buried heat preservation pipe heat preservation elbow is mainly used for connection, the whole prefabricated direct-buried heat preservation pipe heat preservation elbow is mainly realized through an internal bent pipe, the internal bent pipe can play a role in connection, but is directly welded and connected with a connecting pipe when in use, the connecting pipe and the internal bent pipe are large in diameter when in connection, the alignment is difficult, and the internal impact force is in the elbow, so that the received impact is large. Secondly, if the alignment is not uniform, the welding cannot be performed, and the welding efficiency is delayed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel prefabricated directly-buried insulating pipe insulating elbow, which solves the problems that although the internal elbow pipe can play a connecting role, the internal elbow pipe is directly welded with a connecting pipe when in use, the connecting pipe and the internal elbow pipe are difficult to align due to the large diameter of the connecting pipe and the internal elbow pipe when in connection, and the internal impact force is in the elbow, so that the impact received by the elbow pipe is large. Secondly, if the alignment is not uniform, the welding cannot be performed, and the welding efficiency is delayed.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel prefabricated direct-burried insulating tube thermal insulation elbow, includes connecting pipe and inside return bend, inside return bend is installed to the upper end of connecting pipe, the outer wall of inside return bend is provided with the heat preservation, the outer wall of heat preservation is provided with the outer tube, through fixing device fixed connection between connecting pipe and the inside return bend, fixing device includes fixed block and fixed recess, the fixed block sets up at the outer wall of inside return bend and is close to bottom position department, fixed recess sets up inside and being close to top position department at the outer wall of connecting pipe.
Preferably, the whole connecting pipe is made of metal iron, and the cross section of the connecting pipe is circular.
Preferably, the angle of the inner elbow is ninety degrees, and the inner diameter of the inner elbow is the same as the inner diameter of the connecting tube.
Preferably, the outer sleeve and the heat-insulating layer are made of high-density polyethylene and polyurethane foam, and are fixedly connected with each other through glue.
Preferably, the whole fixed block is made of metal iron, and the fixed block is fixedly connected with the inner bent pipe through welding.
Preferably, the inner walls of the fixed grooves are subjected to rust removal and polishing treatment, and the upper surfaces of the fixed grooves are designed to be curved surfaces.
Compared with the prior art, the utility model provides a novel prefabricated directly-buried heat preservation pipe heat preservation elbow, which has the following beneficial effects:
1. according to the prefabricated direct-buried heat-insulation pipe heat-insulation elbow for connection, the fixing device is added on the heat-insulation elbow of the prefabricated direct-buried heat-insulation pipe for connection, and the newly added fixing device is arranged on the outer wall of the pipeline when the prefabricated direct-buried heat-insulation pipe is not used, so that water passing inside and heat insulation outside cannot be influenced when the prefabricated direct-buried heat-insulation pipe is not used, when the prefabricated direct-buried heat-insulation pipe is used, namely when the prefabricated direct-buried heat-insulation pipe is required to be connected, the connecting pipe and the internal elbow can be quickly aligned through the fixing device, so that welding can be quickly carried out when the prefabricated direct-buried heat-insulation pipe is connected, the integral connection can be quicker when the integral connection is carried out, the internal elbow is added to play a role of reinforcing ribs, and the connection between the connecting pipe and the internal elbow can be more compact when the internal elbow is impacted;
2. the specific application method of the fixing device comprises the following steps of carrying the whole prefabricated directly-buried heat-insulating pipe heat-insulating elbow to a place needing to be used, checking whether the whole prefabricated directly-buried heat-insulating pipe heat-insulating elbow is damaged or not, so that accidents can be prevented when the prefabricated directly-buried heat-insulating pipe heat-insulating elbow is used, then placing the whole device on the ground, then ensuring the levelness of the internal elbow, the external sleeve and the heat-insulating layer, so that the connection of the connecting pipe can be more convenient and fast, then placing the connecting pipe in the butt joint of the internal elbow after the whole prefabricated directly-buried heat-insulating pipe heat-insulating elbow is placed horizontally, aligning the joint of the internal elbow and the connecting pipe through the fixing device, ensuring that the fixing block is inserted into the fixing groove during alignment, then ensuring that no gap exists between the internal elbow and the connecting pipe, then welding by using an electric welding machine, after the welding is completed, after cooling, the welded place can be wrapped with a heat insulation material, so that a better heat insulation effect can be achieved on the whole, the rest parts are connected by using the same method, the heat insulation material can be used after connection, water flows from the inner bent pipe when in use, then the heat insulation layer is used outside, and finally the outer sleeve plays a role in protection.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:
FIG. 1 is a schematic view of an elevation perspective structure of a novel prefabricated directly-buried insulating pipe insulating elbow provided by the utility model;
FIG. 2 is a schematic structural view of a front plan view of a novel prefabricated directly-buried insulating pipe insulating elbow provided by the utility model;
FIG. 3 is a schematic view of a partially enlarged structure of a novel prefabricated directly-buried insulating pipe insulating elbow according to the present invention;
FIG. 4 is an enlarged cross-sectional view of a novel prefabricated directly-buried insulating pipe insulation elbow according to the present invention;
in the figure: 1. a connecting pipe; 2. a fixing device; 3. an inner bend; 4. an outer sleeve; 5. a heat-insulating layer; 6. a fixed block; 7. and fixing the groove.
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.
Example one
Referring to fig. 1, fig. 2, fig. 3, and fig. 4, the present invention provides a technical solution: a novel prefabricated direct-buried heat preservation pipe heat preservation elbow comprises a connecting pipe 1 and an inner bent pipe 3, wherein the whole connecting pipe 1 is made of metal iron, so that the connecting pipe is more stable in use and can bear higher pressure in use, the cross section of the connecting pipe 1 is circular, the inner bent pipe 3 is installed at the upper end of the connecting pipe 1, the included angle of the inner bent pipe 3 is ninety degrees, the inner diameter of the inner bent pipe 3 is the same as that of the connecting pipe 1, so that the connecting pipe can be more convenient and fast in connection, so that the welding is more convenient and fast, a heat preservation layer 5 is arranged on the outer wall of the inner bent pipe 3, the outer sleeve 4 and the heat preservation layer 5 are made of high-density polyethylene and polyurethane foam, the outer sleeve 4 and the heat preservation layer 5 are fixedly connected through glue, so that the effect is better in internal heat preservation, and the outer sleeve 4 is arranged on the outer wall of the heat preservation layer 5, the connecting pipe 1 is fixedly connected with the inner bent pipe 3 through a fixing device 2.
Example two
Referring to fig. 1, fig. 2, fig. 3, and fig. 4, the present invention provides a technical solution: the utility model provides a novel prefabricated direct-burried insulating tube heat preservation elbow, fixing device 2 includes fixed block 6 and fixed recess 7, the whole of fixed block 6 is made by metal iron, just so can more stable when using, the effect that plays the strengthening rib effect will be better like this, fixed block 6 with inside return bend 3 through welded fastening connection, connect through the welded mode, not only the welded is more firm and welded cost is cheap, fixed block 6 sets up at the outer wall of inside return bend 3 and is close to bottom position department, fixed recess 7's inner wall all is through the rust cleaning processing of polishing, the leakproofness at the splice is better like this, whole just can not leak when using like this, fixed recess 7's upper surface is the curved surface design, fixed recess 7 sets up inside and be close to top position department at the outer wall of connecting pipe 1.
The working principle and the using process of the utility model are as follows: after the prefabricated direct-buried heat-preservation pipe heat-preservation elbow is installed, when the prefabricated direct-buried heat-preservation pipe heat-preservation elbow for connection is used, the whole prefabricated direct-buried heat-preservation pipe heat-preservation elbow is required to be transported to a place to be used, whether the whole prefabricated direct-buried heat-preservation pipe heat-preservation elbow is damaged or not is checked, accidents can be prevented when the prefabricated direct-buried heat-preservation pipe heat-preservation elbow is used, then the whole device is placed on the ground, the inner bent pipe 3, the outer sleeve 4 and the heat-preservation layer 5 are horizontal, the connection pipe 1 can be conveniently connected, then the connection pipe 1 can be placed in the butt joint of the inner bent pipe 3 after the connection pipe 1 is placed horizontally, then the connection position of the inner bent pipe 3 and the connection pipe 1 is aligned through the fixing device 2, the fixing block 6 is ensured to be inserted into the fixing groove 7 when the connection is aligned, and then no gap is ensured between the inner bent pipe 3 and the connection pipe 1, then use the electric welding machine to weld, after the welding is accomplished, after cooling, just can wrap up insulation material to the welded place, can play better heat preservation effect to whole like this, utilize same method to connect the rest, can use after the good of connection, rivers flow from inside return bend 3 when using, then the outside keeps warm through heat preservation 5, plays the effect of protection through outer tube 4 at last.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (6)
1. The utility model provides a novel prefabricated direct-burried insulating tube heat preservation elbow, includes connecting pipe (1) and inside return bend (3), its characterized in that: inside return bend (3) are installed to the upper end of connecting pipe (1), the outer wall of inside return bend (3) is provided with heat preservation (5), the outer wall of heat preservation (5) is provided with outer tube (4), through fixing device (2) fixed connection between connecting pipe (1) and inside return bend (3), fixing device (2) are including fixed block (6) and fixed recess (7), fixed block (6) set up in the outer wall of inside return bend (3) and be close to bottom position department, fixed recess (7) set up in the outer wall of connecting pipe (1) inside and be close to top position department.
2. The novel prefabricated direct-burried insulating tube heat preservation elbow of claim 1 characterized in that: the whole connecting pipe (1) is made of metal iron, and the cross section of the connecting pipe (1) is circular.
3. The novel prefabricated direct-burried insulating tube heat preservation elbow of claim 1 characterized in that: the included angle of the inner bent pipe (3) is ninety degrees, and the inner diameter of the inner bent pipe (3) is the same as that of the connecting pipe (1).
4. The novel prefabricated direct-burried insulating tube heat preservation elbow of claim 1 characterized in that: the outer sleeve (4) and the heat preservation layer (5) are made of high-density polyethylene and polyurethane foam, and the outer sleeve (4) and the heat preservation layer (5) are fixedly connected through glue.
5. The novel prefabricated direct-burried insulating tube heat preservation elbow of claim 1 characterized in that: the whole of the fixing block (6) is made of metal iron, and the fixing block (6) is fixedly connected with the inner bent pipe (3) through welding.
6. The novel prefabricated direct-burried insulating tube heat preservation elbow of claim 1 characterized in that: the inner walls of the fixed grooves (7) are subjected to rust removal and polishing treatment, and the upper surfaces of the fixed grooves (7) are designed to be curved surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122133723.7U CN216158598U (en) | 2021-09-06 | 2021-09-06 | Novel prefabricated direct-burried insulating tube heat preservation elbow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122133723.7U CN216158598U (en) | 2021-09-06 | 2021-09-06 | Novel prefabricated direct-burried insulating tube heat preservation elbow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216158598U true CN216158598U (en) | 2022-04-01 |
Family
ID=80842440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122133723.7U Active CN216158598U (en) | 2021-09-06 | 2021-09-06 | Novel prefabricated direct-burried insulating tube heat preservation elbow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216158598U (en) |
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2021
- 2021-09-06 CN CN202122133723.7U patent/CN216158598U/en active Active
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