CN204554158U - A kind of insulation reducer pipe adopting Flange joint - Google Patents
A kind of insulation reducer pipe adopting Flange joint Download PDFInfo
- Publication number
- CN204554158U CN204554158U CN201520222538.7U CN201520222538U CN204554158U CN 204554158 U CN204554158 U CN 204554158U CN 201520222538 U CN201520222538 U CN 201520222538U CN 204554158 U CN204554158 U CN 204554158U
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- flange
- pipe
- insulation
- reducer pipe
- thermal insulation
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- 238000009413 insulation Methods 0.000 title claims abstract description 95
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 57
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 3
- 230000013011 mating Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Abstract
Adopting an insulation reducer pipe for Flange joint, belong to prefabricated direct-buried thermal insulation pipe technical field, for mating the connection of Flange joint prefabricated direct-buried thermal insulation pipe, the prefabricated direct-buried thermal insulation pipe of different-diameter being linked together.Its technological scheme is: weld suction flange and outlet(discharge) flange respectively in the larger diameter end and smaller diameter end that are incubated reducer pipe, the outlet end flange that the suction flange at insulation reducer pipe two ends, outlet(discharge) flange are responsible for the major diameter of prefabricated direct-buried thermal insulation pipe is respectively connected with the entrance point flange of the minor diameter arm of prefabricated direct-buried thermal insulation pipe, screw bolt and nut is adopted to complete during connection, do not need welding in construction, improve installation rate.The utility model has the advantage that linkage structure is simple, easy for installation, reliability is high, without the need to special professional skill when installation connects, effectively can solve the matching connection problem of the prefabricated direct-buried thermal insulation pipe flange of insulation reducer pipe and different-diameter.
Description
Technical field
The utility model relates to a kind of insulation reducer pipe with flanged connecting structure, belongs to prefabricated direct-buried thermal insulation pipe technical field.
Background technique
Prefabricated direct-buried thermal insulation pipe is widely used in the transmission pipeline network of liquid, gas, have reduce that engineering cost, heat loss are low, energy saving, anticorrosion, good insulation preformance, long service life, occupation of land less, the advantage such as favorable environment protection.China Patent No. ZL 201420362245.4 discloses a kind of prefabricated direct-buried thermal insulation pipe of flange join type, this thermal insulation pipe attended operation is very simple and convenient, without the need to special professional skill, the quality problems that conventional prefabricated direct-buried pipe causes because of welding procedure effectively can be solved.But in practice of construction process, Pipe installing often needs to use reducer pipe to be connected with the lateral of minor diameter by large diameter main pipeline, and traditional insulation reducer pipe cannot match with above-mentioned patented product, therefore, the insulation reducer pipe that a kind of and above-mentioned patented product matches is needed to design.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of insulation reducer pipe adopting Flange joint, and this insulation reducer pipe effectively can solve the major diameter supervisor of the prefabricated direct-buried thermal insulation pipe adopting flanged connecting structure and the connectivity problem of minor diameter arm.
The technological scheme solved the problems of the technologies described above is:
A kind of insulation reducer pipe adopting Flange joint, its body comprises large diameter tube and narrow tube two-part, coaxial and the rounding off of large diameter tube and narrow tube is connected, thermal insulation layer is laid outside its tube wall, outer pillar is set with outside thermal insulation layer, its improvements are, at the entrance point of the large diameter tube of insulation reducer pipe, suction flange is installed, the flange sleeve of suction flange is welded to connect with the tube wall of insulation reducer pipe, at the outlet end installation outlet flange of the narrow tube of insulation reducer pipe, the flange plate of outlet(discharge) flange is welded to connect with the tube wall of insulation reducer pipe, the flange sleeve of outlet(discharge) flange is positioned at the outer end of insulation reducer pipe.
The insulation reducer pipe of above-mentioned employing Flange joint, the external diameter of the flange sleeve of the outlet end flange that the internal diameter of flange sleeve of described insulation reducer pipe suction flange and the major diameter of prefabricated direct-buried thermal insulation pipe are responsible for matches, and the internal diameter of the flange sleeve of the external diameter of flange sleeve of insulation reducer pipe outlet(discharge) flange and the entrance point flange of the minor diameter arm of prefabricated direct-buried thermal insulation pipe matches.
The insulation reducer pipe of above-mentioned employing Flange joint, the total length of exterior edge face to the front end of flange sleeve of described insulation reducer pipe suction flange is greater than the length of the flange sleeve of the outlet end flange of the major diameter supervisor of prefabricated direct-buried thermal insulation pipe, and the length of the flange sleeve of insulation reducer pipe outlet(discharge) flange is less than the total length of exterior edge face to the front end of flange sleeve of the entrance point flange of the minor diameter arm of prefabricated direct-buried thermal insulation pipe.
The beneficial effects of the utility model are:
Larger diameter end and smaller diameter end that the utility model is being incubated reducer pipe weld suction flange and outlet(discharge) flange respectively, the outlet end flange that the suction flange at insulation reducer pipe two ends, outlet(discharge) flange are responsible for the major diameter of prefabricated direct-buried thermal insulation pipe is respectively connected with the entrance point flange of the minor diameter arm of prefabricated direct-buried thermal insulation pipe, screw bolt and nut is adopted to complete during connection, do not need welding in construction, improve installation rate.The utility model has the advantage that linkage structure is simple, easy for installation, reliability is high, without the need to special professional skill when installation connects, effectively can solve the matching connection problem of the prefabricated direct-buried thermal insulation pipe flange of insulation reducer pipe and different-diameter.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is linkage structure schematic diagram of the present utility model.
In figure, mark is as follows: insulation reducer pipe 1, large diameter tube 2, narrow tube 3, tube wall 4, thermal insulation layer 5, outer pillar 6, suction flange 7, outlet(discharge) flange 8, seal washer 9, bolt 10, nut 11, prefabricated direct-buried thermal insulation pipe 12.
Embodiment
Fig. 1 shows, and the body of insulation reducer pipe 1 of the present utility model is made up of large diameter tube 2 and narrow tube 3, and large diameter tube 2 and narrow tube 3 coaxial and rounding off is connected, lays thermal insulation layer 5, be set with outer pillar 6 outside thermal insulation layer 5 outside the tube wall 4 being incubated reducer pipe 1.
Fig. 1 shows, and installs suction flange 7 at the entrance point of the large diameter tube 2 of insulation reducer pipe 1, and the flange sleeve of suction flange 7 is welded to connect with the tube wall 4 of insulation reducer pipe 1.At the outlet end installation outlet flange 8 of the narrow tube 3 of insulation reducer pipe 1, the flange plate of outlet(discharge) flange 8 is welded to connect with the tube wall 4 of insulation reducer pipe 1, and the flange sleeve of outlet(discharge) flange 8 is positioned at the outer end of insulation reducer pipe 1.
Fig. 1 shows, the external diameter of the flange sleeve of the outlet end flange that the internal diameter of flange sleeve of insulation reducer pipe 1 suction flange 7 and the major diameter of prefabricated direct-buried thermal insulation pipe 12 are responsible for matches, so that the suction flange 7 of larger diameter end of insulation reducer pipe 1 is connected with the outlet end flange that the major diameter of prefabricated direct-buried thermal insulation pipe 12 is responsible for.
Fig. 1 shows, the internal diameter of the flange sleeve of the external diameter of flange sleeve of insulation reducer pipe 1 outlet(discharge) flange 8 and the entrance point flange of the minor diameter arm of prefabricated direct-buried thermal insulation pipe 12 matches, so that the outlet(discharge) flange 8 of smaller diameter end of insulation reducer pipe 1 is connected with the entrance point flange of the minor diameter arm of prefabricated direct-buried thermal insulation pipe 12.
Fig. 1 shows, the total length of exterior edge face to the front end of flange sleeve of insulation reducer pipe 1 suction flange 7 is greater than the length of the flange sleeve of the outlet end flange of the major diameter supervisor of prefabricated direct-buried thermal insulation pipe 12, when connecting, the flange sleeve being inserted into the outlet end flange of the major diameter supervisor of the prefabricated direct-buried thermal insulation pipe 12 in the flange sleeve of insulation reducer pipe 1 suction flange 7 can not push up on the end face of the tube wall 4 that suction flange 7 connects.
Fig. 1 shows, in like manner, the length of the flange sleeve of insulation reducer pipe 1 outlet(discharge) flange 8 is less than the total length of exterior edge face to the front end of flange sleeve of the entrance point flange of the minor diameter arm of prefabricated direct-buried thermal insulation pipe 12, when connecting, the flange sleeve of insulation reducer pipe 1 outlet(discharge) flange 8 can not push up on the end face of the tube wall of the entrance point Flange joint of the minor diameter arm of prefabricated direct-buried thermal insulation pipe 12.
Fig. 2 shows, the insulation suction flange 7 at reducer pipe 1 two ends, outlet(discharge) flange 8 with the major diameter of prefabricated direct-buried thermal insulation pipe 12 be responsible for outlet end flange be connected with minor diameter arm entrance point flange time, two adpting flanges are relative, the flange sleeve of the outlet(discharge) flange 8 of insulation reducer pipe 1 is through the flange hole in the middle of the flange plate of the minor diameter arm entrance point flange of prefabricated direct-buried thermal insulation pipe 12, be inserted in the flange sleeve of entrance point flange, the flange plate of two flanges is fastenedly connected by bolt 10 and nut 11, has seal washer 9 between two flange plate.Easier centering when the advantage of this Placement is to assemble, the shortcoming of easy deviation during effective solution conventional method orchid assembling, and it is good to seal more property, improves speed of application, save construction cost, solve the connection construction problem of different model flange join type prefabricated direct-buried thermal insulation pipe.
Claims (3)
1. one kind adopts the insulation reducer pipe of Flange joint, its body comprises large diameter tube (2) and narrow tube (3) two-part, coaxial and the rounding off of large diameter tube (2) and narrow tube (3) is connected, thermal insulation layer (5) is laid outside its tube wall (4), outer pillar (6) is set with outside thermal insulation layer (5), it is characterized in that: at the entrance point of the large diameter tube (2) of insulation reducer pipe (1), suction flange (7) is installed, the flange sleeve of suction flange (7) is welded to connect with the tube wall (4) of insulation reducer pipe (1), at the outlet end installation outlet flange (8) of the narrow tube (3) of insulation reducer pipe (1), the flange plate of outlet(discharge) flange (8) is welded to connect with the tube wall (4) of insulation reducer pipe (1), the flange sleeve of outlet(discharge) flange (8) is positioned at the outer end of insulation reducer pipe (1).
2. the insulation reducer pipe of employing Flange joint according to claim 1, it is characterized in that: the external diameter of the flange sleeve of the outlet end flange that the internal diameter of the flange sleeve of described insulation reducer pipe (1) suction flange (7) and the major diameter of prefabricated direct-buried thermal insulation pipe (12) are responsible for matches, the internal diameter of the flange sleeve of the external diameter of flange sleeve of insulation reducer pipe (1) outlet(discharge) flange (8) and the entrance point flange of the minor diameter arm of prefabricated direct-buried thermal insulation pipe (12) matches.
3. the insulation reducer pipe of employing Flange joint according to claim 2, it is characterized in that: the total length of exterior edge face to the front end of flange sleeve of described insulation reducer pipe (1) suction flange (7) is greater than the length of the flange sleeve of the outlet end flange of the major diameter supervisor of prefabricated direct-buried thermal insulation pipe (12), and the length of the flange sleeve of insulation reducer pipe (1) outlet(discharge) flange (8) is less than the total length of exterior edge face to the front end of flange sleeve of the entrance point flange of the minor diameter arm of prefabricated direct-buried thermal insulation pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520222538.7U CN204554158U (en) | 2015-04-14 | 2015-04-14 | A kind of insulation reducer pipe adopting Flange joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520222538.7U CN204554158U (en) | 2015-04-14 | 2015-04-14 | A kind of insulation reducer pipe adopting Flange joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204554158U true CN204554158U (en) | 2015-08-12 |
Family
ID=53829269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520222538.7U Expired - Fee Related CN204554158U (en) | 2015-04-14 | 2015-04-14 | A kind of insulation reducer pipe adopting Flange joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204554158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106940061A (en) * | 2016-01-05 | 2017-07-11 | 工程建筑电子机械公司 | For the Relay connector of forced ventilation equipment including the relay connection system of the device and the forced ventilation equipment for having the system |
-
2015
- 2015-04-14 CN CN201520222538.7U patent/CN204554158U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106940061A (en) * | 2016-01-05 | 2017-07-11 | 工程建筑电子机械公司 | For the Relay connector of forced ventilation equipment including the relay connection system of the device and the forced ventilation equipment for having the system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 063300 coastal industrial zone, Fengnan District, Hebei, Tangshan City Patentee after: HEBEI JY TECHNOLOGY CO.,LTD. Address before: 063300 coastal industrial zone, Fengnan District, Hebei, Tangshan City Patentee before: TANGSHAN FENGNAN JUNYE ENERGY SAVING PRESERVATION MATERIAL Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 |