CN208237285U - The closure adapter of pipeline air purging - Google Patents
The closure adapter of pipeline air purging Download PDFInfo
- Publication number
- CN208237285U CN208237285U CN201820519926.5U CN201820519926U CN208237285U CN 208237285 U CN208237285 U CN 208237285U CN 201820519926 U CN201820519926 U CN 201820519926U CN 208237285 U CN208237285 U CN 208237285U
- Authority
- CN
- China
- Prior art keywords
- circular hole
- ontology
- short tube
- flange
- purged
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of closure adapter of pipeline air purging, including by the prefabricated profiled ontology of steel plate and short tube；Ontology both ends set circular hole, wherein the circular hole connecting with short tube one end is the first circular hole, ontology sets stiffening plate in the plate face of short tube side, and short tube another end is by flange for connecting with gas source；Another circular hole that ontology is connect with underwater flange end to be purged is the second circular hole；The distance between body interior sets ventilation slot, and length is greater than at the first bore edges to the second bore edges, and width is less than body width；It is purged to space or apart from limited pipeline, or the pipeline that is connected with equipment individually carries out the case where air purging can not be directly connected to source purge gas, can avoid changing the operation such as line ports direction and removing device, reduce manpower and material investment；It blocks crossover sub and chooses high strength steel preparation, improve air and purge safety；Structure designs advantages of simple, prefabricated at low cost, quick and easy for installation, good appearance.
Description
Technical field
The pipeline air purging that the utility model relates to a kind of to be connected in liquefied natural gas (LNG) plant with equipment is turned with closure
Connector.
Background technique
In liquefied natural gas (LNG) plant pipe prefabrication and installation process, needs the cleaning carried out before and after pressure testing to pipeline and do
Dry operation, clean mode include artificial and mechanical cleaning, high pressure water cleaning, the modes such as air purging cleaning；Dry mode
Generally by the way of dry air purging.When carrying out air purging operation to pipeline, it is narrow often to encounter line end space
It is small or the case where have collision, source purge gas can not be directly connected to；Or the pipeline for connecting equipment, if carrying out list to it
The case where solely purging, can not being equally directly connected to source purge gas.
Since existing conventional cleaning mode is unable to satisfy above-mentioned requirements, it is therefore desirable to improve, to overcome existing
Drawbacks described above existing for technology, air purging and line ports direction and removal can be carried out to pipeline by reaching
The effect of equipment reduces expense to reduce manpower and material investment.
Utility model content
The main purpose of the utility model is to overcome drawbacks described above present in production process, and it is empty to provide a kind of pipeline
The closure adapter that air-blowing is swept, structure design advantages of simple, and installation is easy to operate, at low cost, purge and pacify to pipeline air
Quan Xinggao.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
The closure adapter of the utility model pipeline air purging, which is characterized in that including by steel plate prefabricated profiled
Body and short tube；The both ends of the ontology offer circular hole respectively, wherein the circular hole connecting with short tube one end is the first circular hole, and ontology
Plate face away from the short tube side is equipped with one piece of stiffening plate, and the other end of the short tube is by flange for connecting with gas source；Ontology
Another circular hole connecting with underwater flange end to be purged is the second circular hole；The body interior is equipped with ventilation slot, which is
Rectangular body, and the length of ventilation slot be greater than the first bore edges to the shortest straight line between the edge of the second circular hole of ontology away from
From width is less than body width.
The closure adapter of pipeline air purging above-mentioned, wherein the ontology is one be cut by high-strength steel sheet
Block rectangular plate body, the length of the rectangular plate body are 0.05m to 7m, and width is 0.05m to 4m；Optimum length is 0.8m, most
Good width is 0.4m；The diameter of first circular hole is corresponding with the diameter of short tube；The diameter of second circular hole and pipeline method to be purged
Blue end diameter is corresponding；The short tube is steel pipe, and the diameter of the short tube is DN15-DN800, and length is 0.5m to 3m, one end with
The first circular hole of ontology is welded and fixed, and the other end is connect by flange with gas source；One end ora terminalis of the second circular hole is arranged in the ontology
To be arc-shaped, and plate face of the ontology along circular hole side is equipped with screw hole corresponding with underwater flange screw hole to be purged.
The beneficial effect of the closure adapter of the utility model pipeline air purging is that the closure of pipeline air purging turns
Joint structure designs advantages of simple, high-efficient convenient for production, at low cost；Overall structure is prefabricated using high strength steel, effectively mentions
Safety is swept in high-altitude air-blowing, and connector is connected by screw bolts, and installs easy to operate, good appearance.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the utility model shaped steel plate aperture face structural schematic diagram.
Fig. 3 is the utility model overall structure cross-sectional view.
Major Symbol illustrates in figure: steel plate, 3 second circular holes, 4 short tubes, 5 flanges, 6 bolts hole, 7 ventilations are reinforced in 1 ontology, 2
Slot.
Specific embodiment
A specific embodiment of the invention is described in detail below in conjunction with technical solution and attached drawing.
As shown in Figure 1, Figure 2, Figure 3 shows, the closure adapter of the utility model pipeline air purging comprising prefabricated by steel plate
Molding ontology 1 and short tube 4；The both ends of the ontology offer circular hole respectively, wherein the circular hole connecting with 4 one end of short tube is first
Circular hole, and plate face of the ontology away from the short tube side is equipped with one piece of stiffening plate 2, the other end of the short tube 4 by flange 5 for
Gas source connection；Another circular hole that ontology 1 is connect with underwater flange end to be purged is the second circular hole 3；The body interior is equipped with logical
Wind groove 7, which is rectangular body, and the length of ventilation slot is greater than at the first bore edges to the side of the second circular hole of ontology 3
Shortest straight line distance between edge, width are less than body width.
As shown in Figure 1, Figure 2, Figure 3 shows, the utility model pipeline air purging closure adapter, wherein the ontology 1 be by
One piece of rectangular plate body that high-strength steel sheet is cut into, the length of the rectangular plate body are 0.05m to 7m, width be 0.05m extremely
4m；Optimum length is 0.8m, optimum width 0.4m；The diameter of first circular hole is corresponding with the diameter of short tube 4；Second circular hole 3
Diameter it is corresponding with underwater flange end to be purged diameter；The short tube 4 is steel pipe, and the diameter of the short tube is DN15-DN800, length
For 0.5m to 3m, one end is welded and fixed with 1 first circular hole of ontology, and the other end is connect by flange 5 with gas source；The ontology 1 is set
It is arc-shaped for setting one end ora terminalis of the second circular hole 3, and plate face of the ontology along circular hole side is equipped with and underwater flange screw hole to be purged
Corresponding screw hole 6.
As shown in Figure 1, Figure 2, Figure 3 shows, it the preparation of the closure adapter of the utility model pipeline air purging: is blown according to air
Pressure is swept, caliber and line end block the parameters such as space, pre-formed ontology 1；It is opened up inside ontology 1 using fluting equipment
Then ventilation slot 7 opens up the first circular hole (not shown) and the second circular hole 3 at 1 both ends of ontology for opening up ventilation slot 7 respectively, will
First circular hole and 4 one end of short tube are welded, and the other end welded flange of short tube 4 with gas source for connecting；Deviate from short tube 4 one in ontology 1
One piece of stiffening plate 2 is welded in the plate face of side；One end ora terminalis of the second circular hole 3 of setting of ontology 1 is prefabricated to be arc-shaped, and ontology is along circle
The plate face of hole edge is equipped with screw hole 6 corresponding with underwater flange screw hole to be purged, for the flanged joint with pipeline to be purged.
After all prefabricated welding is completed and carries out nondestructive testing qualification, spray treatment is carried out to body structure surface.
When treating blow line using the utility model and carrying out air purging operation, by the second circular hole 3 of arc end with to
Blow line end flange is bolted, and the flange 5 that short tube 4 connects is bolted with gas source flange.Connection is completed
Afterwards, opening gas source valve makes dry air enter short tube 4, then enters pipeline system by the ventilation slot 7 inside ontology 1, realizes
To the purging of pipeline.
The advantages of closure adapter of the utility model pipeline air purging: it is prefabricated simple, batch can be carried out according to demand
It is prefabricated, prefabricated efficiency is improved, prefabricated cost is reduced；Overall structure uses high strength steel, improves the safety of air purging, turns
Connector is connected by screw bolts, quick and easy for installation, good appearance.It can effectively solve when carrying out air purging operation to pipeline,
The line end narrow space that encounters or the case where have collision, source purge gas can not be directly connected to.For connecting the pipe of equipment
Line when can not be directly connected to source purge gas, can connect gas source without mobile device and carry out purging operation.
The content that the present embodiment is not illustrated is the prior art, therefore, no longer repeated.
The above is only the example of the utility model, do not impose any limitation on the present invention,
Any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention,
It is still within the scope of the technical solutions of the present invention.
Claims (2)
1. a kind of closure adapter of pipeline air purging, which is characterized in that including by the prefabricated profiled ontology of steel plate (1) and short
It manages (4)；The both ends of the ontology offer circular hole respectively, wherein the circular hole connecting with short tube (4) one end is the first circular hole, and ontology
Plate face away from the short tube side is equipped with one piece of stiffening plate (2), and the other end of the short tube (4) is supplied by flange (5) and gas source
Connection；Another circular hole that ontology (1) is connect with underwater flange end to be purged is the second circular hole (3)；The body interior is equipped with logical
Wind groove (7), which is rectangular body, and the length of ventilation slot is greater than at the first bore edges to the second circular hole of ontology
(3) the shortest straight line distance between edge, width are less than body width.
2. the closure adapter of pipeline air according to claim 1 purging, which is characterized in that the ontology (1) be by
One piece of rectangular plate body that high-strength steel sheet is cut into, the length of the rectangular plate body are 0.05m to 7m, width be 0.05m extremely
4m；Optimum length is 0.8m, optimum width 0.4m；
The diameter of first circular hole is corresponding with the diameter of short tube (4)；The diameter of second circular hole (3) and underwater flange end to be purged
Diameter is corresponding；
The short tube (4) is steel pipe, and the diameter of the short tube is DN15-DN800, and length is 0.5m to 3m, one end and ontology (1)
First circular hole is welded and fixed, and the other end is connect by flange (5) with gas source；
One end ora terminalis of the ontology (1) setting the second circular hole (3) be it is arc-shaped, and plate face of the ontology along circular hole side be equipped with
The corresponding screw hole (6) of underwater flange screw hole to be purged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820519926.5U CN208237285U (en) | 2018-04-13 | 2018-04-13 | The closure adapter of pipeline air purging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820519926.5U CN208237285U (en) | 2018-04-13 | 2018-04-13 | The closure adapter of pipeline air purging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208237285U true CN208237285U (en) | 2018-12-14 |
Family
ID=64583979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820519926.5U Expired - Fee Related CN208237285U (en) | 2018-04-13 | 2018-04-13 | The closure adapter of pipeline air purging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208237285U (en) |
-
2018
- 2018-04-13 CN CN201820519926.5U patent/CN208237285U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 |