CN208579083U - A kind of novel pipe close - Google Patents
A kind of novel pipe close Download PDFInfo
- Publication number
- CN208579083U CN208579083U CN201821005189.3U CN201821005189U CN208579083U CN 208579083 U CN208579083 U CN 208579083U CN 201821005189 U CN201821005189 U CN 201821005189U CN 208579083 U CN208579083 U CN 208579083U
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- China
- Prior art keywords
- flexiplast
- circle
- baffle
- hollow tube
- wall
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- 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.)
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Abstract
The utility model discloses a kind of novel pipe closes, including hollow tube, first flexiplast circle, second flexiplast circle, ring baffle and positioning baffle, described hollow tube one end is equipped with internal screw thread, the other end is connected with fixed baffle, the first flexiplast circle and the second flexiplast circle are set in the hollow pipe outer wall, it is separated between first flexiplast circle and the second flexiplast circle equipped with ring baffle, first flexiplast circle is gripped by ring baffle with fixed baffle firm, second flexiplast circle is gripped by ring baffle with positioning baffle firm, venthole is equipped with hollow tube wall corresponding position in the intermediate annular groove of the ring baffle, venthole and hollow tubular are at air ventilation passage.The utility model is mountable on fluid line containing low pressure combustible gas, is capable of providing good leakproofness, avoids combustible material to leak in hot job industry from being isolated in pipeline completely, so that burning, explosion accident etc. occur.
Description
Technical field
The utility model relates to a kind of security isolation combustible devices, specifically, being related to a kind of novel pipe close.
Background technique
Petrochemical industry is related to the transformation task to existing equipment, process often.It sometimes must be to can containing oil gas etc.
It carries out the hot job industry such as welding on the pipeline of combustion things.However it is very high to the progress of pipeline containing fuel gas hot job industry risk, because
This, before operation, it is necessary to first scrubber tank and pipeline are subjected to isolation pressure release etc., then again to containing low-pressure combustible gas by every
Temporary plugging and sealing are carried out from pipeline, although fuel gas remaining quantity is seldom in the pipeline after isolation pressure release, and air pressure is very
It is low, still, if the closure of the closeouts and sealing effect are bad, it still will cause the leakage of fuel gas, fuel gas is let out
When encountering heat source after leakage, it can still cause the perils such as burning, explosion.
Summary of the invention
The utility model provides a kind of novel pipe close, mountable on fluid line containing low pressure combustible gas, is capable of providing good
Good leakproofness avoids combustible material from leaking in hot job industry from being isolated in pipeline, so that burning, explosion thing occur completely
Therefore it waits.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of novel pipe close, including hollow tube, the first flexiplast circle, the second flexiplast circle, ring baffle and positioning
Baffle, described hollow tube one end are equipped with internal screw thread, and the other end is connected with fixed baffle, is set in the hollow pipe outer wall
First flexiplast circle and the second flexiplast circle are equipped with ring baffle between the first flexiplast circle and the second flexiplast circle
It separates, ring baffle is installed in hollow pipe outer wall by fixing screws, and the first flexiplast circle passes through ring baffle and fixation
Baffle grips firm, and the second flexiplast circle is gripped by ring baffle with positioning baffle firm, and positioning baffle is logical
It crosses fixing screws to be installed in hollow pipe outer wall, in the intermediate annular groove of the ring baffle and hollow tube wall corresponding position
Equipped with venthole, venthole and hollow tubular are at air ventilation passage.
The first flexiplast circle and the second flexiplast circle is tightly attached in the inner wall for being isolated pipeline, and first is flexible
Between plastic ring and the second flexiplast circle be isolated pipeline inner wall formed an annular space.
It can be filled with nitrogen in the air ventilation passage of the venthole and hollow tube and enter the first flexiplast circle
Between the second flexiplast circle be isolated pipeline inner wall and be formed by annular space, nitrogen in annular space with pipe
It fills in, be isolated pipeline formation positive pressure isolation.
The utility model has the advantages that:
By being arranged the first and second flexiplast circle on hollow tube, the first and second flexiplast circle is carried out by ring baffle
Isolation is fixed, and the annular space that pipeline inner wall forms a receiving nitrogen gas is made between the first and second plastic ring and be isolated.
Venthole is opened up by the opposite position of intermediate annular groove and hollow tube wall in ring baffle, makes hollow tube
It is mutually communicated the gas passage that can be filled with nitrogen and enter annular space with venthole shape one, nitrogen enters ring from gas passage
After forming positive pressure in shape space, the effect for being effectively isolated fuel gas can achieve.
Detailed description of the invention
Fig. 1 is the utility model side the schematic diagram of the section structure.
Fig. 2 is the front elevation of the utility model.
In figure: 1 hollow tube, 2 internal screw threads, 3 fixed baffles, 4 first flexiplast circles, 5 second flexiplast circles, 6 annulars
Baffle, 7 positioning baffles, 8 fixed screws, 9 fixed screws, 10 ventholes.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing.
As illustrated in fig. 1 and 2, a kind of novel pipe close, including hollow tube 1, the first flexiplast circle 4, the second flexiplast circle
5, ring baffle 6 and positioning baffle 7, described hollow tube one end are equipped with internal screw thread 2, and the other end is connected with fixed baffle 3, described
1 outer wall of hollow tube on be set with the first flexiplast circle 4 and the second flexiplast circle 5, the first flexiplast circle 4 and second soft
Property plastic ring 5 between be equipped with ring baffle 6 and separate, ring baffle 6 is installed on 1 outer wall of hollow tube by fixing screws 8, first
Flexiplast circle 4 by ring baffle 6 gripped with fixed baffle 3 it is firm, the second flexiplast circle 5 pass through ring baffle 6
Gripped with positioning baffle 7 firm, positioning baffle 7 is installed on 1 outer wall of hollow tube by fixing screws 9, the annular
Venthole 10 is equipped in the intermediate annular groove of baffle 6 with 1 tube wall corresponding position of hollow tube, venthole 10 and hollow tube 1 form gas
Body circulation passage.
Working principle: in use, the scrubber tank for being isolated pipeline is subjected to isolation pressure release first, it then, will be originally practical new
3 end of fixed baffle of the novel pipe close of type makes the first flexiplast circle 4 and second soft towards being isolated pipeline and filling in pipeline
Property plastic ring 5 be tightly attached in the inner wall for being isolated pipeline, and 2 end of the internal screw thread of hollow tube 1 connect nitrogen tube, then by nitrogen
From being filled into hollow tube 1 and venthole 10 between first flexiplast circle 4 and the second flexiplast circle 5 and be isolated in pipeline
Wall is formed by annular space, make nitrogen in annular space with pipe close, be isolated pipeline and form certain positive pressure isolation strip, by
In being isolated pipeline after pressure release is isolated, only remaining has a small amount of condensate, at this point, the pressure for the fuel gas being isolated in pipeline
Power is smaller, and the positive pressure for the nitrogen being filled in annular space is easy to therefore work as annular space higher than the pressure of fuel gas
When the pressure of interior positive pressure is higher than fuel gas pressure, good barrier action can be played.
Application practice: having a branch pipe corrosion failure at offshore platform compressor outlet scrubber tank outlet line, needs dynamic heat
Work repair welding.Although having carried out isolation pressure release to scrubber tank, inner part condensate can not be discharged, and persistently have flashed vapour to emerge.
Scrubber tank is connected with platform flare system, control flash distillation atmospheric pressure is within 10KPa.After common pipe close is filled in, there is a small amount of sudden strain of a muscle
Steam leakage, does not meet the condition of getting angry.The pipeline that the novel pipe close insertion of the utility model is needed to dynamic thermal technology, connects nitrogen
Bottle controls nitrogen pressure in 100KPa or so.Though there is flashed vapour in scrubber tank, pressure is lower than nitrogen, so a small amount of nitrogen
Gas inwardly leaks into scrubber tank, drains to thermal technology's point outward.A small amount of nitrogen does not influence hot job industry, has reached the completion of hot job industry condition
Work.
The above, only the utility model preferred embodiment, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art technical solution according to the present utility model and its design are subject to equivalent replacement
Or deformation, all without departing from the essence and protection scope of the utility model.
Claims (3)
1. a kind of novel pipe close, it is characterised in that: including hollow tube (1), the first flexiplast circle (4), the second flexiplast circle
(5), ring baffle (6) and positioning baffle (7), described hollow tube one end are equipped with internal screw thread (2), and the other end is connected with fixed gear
Plate (3) is set with the first flexiplast circle (4) and the second flexiplast circle (5) on the hollow tube (1) outer wall, and first is soft
Property plastic ring (4) and the second flexiplast circle (5) between be equipped with ring baffle (6) separate, ring baffle (6) passes through fixing screws
(8) it is installed on hollow tube (1) outer wall, the first flexiplast circle (4) is solid by ring baffle (6) and fixed baffle (3) clamping
Fixed firm, the second flexiplast circle (5) grips firm, positioning baffle (7) with positioning baffle (7) by ring baffle (6)
It is installed on hollow tube (1) outer wall by fixing screws (9), in the intermediate annular groove of the ring baffle (6) and hollow tube
(1) tube wall corresponding position is equipped with venthole (10), and venthole (10) and hollow tube (1) form air ventilation passage.
2. novel pipe close according to claim 1, it is characterised in that: the first flexiplast circle (4) and second soft
Property plastic ring (5) is tightly attached in the inner wall for being isolated pipeline, between the first flexiplast circle (4) and the second flexiplast circle (5)
An annular space is formed with pipeline inner wall is isolated.
3. novel pipe close according to claim 2, it is characterised in that: the gas of the venthole (10) and hollow tube (1)
Can be filled in body circulation passage nitrogen enter between the first flexiplast circle (4) and the second flexiplast circle (5) with by every
Be formed by annular space from pipeline inner wall, nitrogen in annular space with pipe close, be isolated pipeline formed positive pressure be isolated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821005189.3U CN208579083U (en) | 2018-06-28 | 2018-06-28 | A kind of novel pipe close |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821005189.3U CN208579083U (en) | 2018-06-28 | 2018-06-28 | A kind of novel pipe close |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208579083U true CN208579083U (en) | 2019-03-05 |
Family
ID=65509657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821005189.3U Active CN208579083U (en) | 2018-06-28 | 2018-06-28 | A kind of novel pipe close |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208579083U (en) |
-
2018
- 2018-06-28 CN CN201821005189.3U patent/CN208579083U/en active Active
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| GR01 | Patent grant |