CN109812411A - A kind of blackage clearing flow dredging apparatus and its assemble method for oil transportation Pump Suction Nozzle - Google Patents
A kind of blackage clearing flow dredging apparatus and its assemble method for oil transportation Pump Suction Nozzle Download PDFInfo
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- CN109812411A CN109812411A CN201910079254.XA CN201910079254A CN109812411A CN 109812411 A CN109812411 A CN 109812411A CN 201910079254 A CN201910079254 A CN 201910079254A CN 109812411 A CN109812411 A CN 109812411A
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- thin flow
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Abstract
The invention discloses a kind of blackage clearing flow dredging apparatus for oil transportation Pump Suction Nozzle, comprising: companion flange, straight tube and 90 ° of elbows, straight tube both ends respectively with companion flange and 90 ° of elbow weldings；Straight tube is horizontal positioned, horizontal thin flow is welded on straight tube inner wall, and horizontal thin flow is located on the central axes of straight tube horizontal direction；Perpendicular thin flow is welded between straight tube inner wall and horizontal thin flow, and the perpendicular thin flow of two panels is located on the central axes of straight tube vertical direction；It is equidistantly welded in 90 ° of elbow interior walls and the consistent outer thin flow of 90 ° of elbow radians and interior thin flow.The present invention also provides a kind of assemble methods of blackage clearing flow dredging apparatus for oil transportation Pump Suction Nozzle.The invention has the benefit that blackage clearing flow dredging apparatus has structure simple, it is easily installed, there is enough rigidity and pressure-resistant performance.It is pumped suitable for plurality of specifications pipeline oil transportation.Keep the oil product flow velocity into oil transfer pump uniform, guarantees the normal even running of oil transfer pump.
Description
Technical field
The present invention relates to oil pipeline technical fields, in particular to a kind of blackage clearing flow dredging apparatus for oil transportation Pump Suction Nozzle
And its assemble method.
Background technique
The entrance side of defeated oil transfer pump outside main pipeline of long distance pipeline, especially import pump producer, oil transfer pump producer are general to require
With the straight pipe (5~10D) for being not less than 5~10 times of pump intake pipe diameters, to guarantee the oil product fluid stable into pump, favorably
In the even running of oil transfer pump.But with the continuous increase of production trunk line pipeline specifications in recent years, oil transfer pump suction line bore
Also constantly become larger, for example, oil transfer pump suction line specification be D711 when, the straight pipe required distance of separate unit oil transportation pump intake is not small
In 3555mm~7110mm.Calculated according to four oil transportation series operations, only oil transportation pump intake straight pipe it is total need 14220mm~
28440mm.Limited by the steric requirements in pump room, especially built complete pump room in increase it is defeated change pump when, very
Difficulty meets the requirement of oil transportation pump intake straight pipe distance；If directly reducing straight pipe distance, oil transfer pump and pipeline are often brought
There is a situation where strenuous vibrations when operation, and production run safety is influenced when serious.Therefore, in oil transportation pump intake apart from lesser limit
Under the conditions of system, how to guarantee the stable operation of oil transfer pump, at technical problem urgently to be solved.
Summary of the invention
To solve the above problems, the purpose of the present invention is to provide a kind of blackage clearing flow dredging apparatus and its group for oil transportation Pump Suction Nozzle
Dress method can keep the oil product flow velocity into oil transfer pump uniform, guarantee oil transfer pump just under shorter entrance straight pipe restrictive condition
Often operation.
The present invention provides a kind of blackage clearing flow dredging apparatus for oil transportation Pump Suction Nozzle, comprising: companion flange, straight tube and 90 ° of elbows,
The straight tube both ends respectively with the companion flange and 90 ° of elbow weldings；
The straight tube is horizontal positioned, horizontal thin flow is welded on the straight tube inner wall, and the horizontal thin flow is positioned at described
On the central axes of straight tube horizontal direction；
It is welded with perpendicular thin flow between the straight tube inner wall and the horizontal thin flow, and erects thin flow described in two panels and is located at institute
On the central axes for stating straight tube vertical direction；
It is equidistantly welded in 90 ° of elbow interior walls and the consistent outer thin flow of 90 ° of elbow radians and interior thin stream
Piece.
As further improvement of the invention, the horizontal thin flow and the perpendicular thin flow are located at close to the companion flange
Side.
As further improvement of the invention, 90 ° of elbows are vertically mounted on oil transfer pump suction inlet side pipeline.
As further improvement of the invention, the straight tube uses longitudinal submerged arc welded pipe.
It is improved as of the invention further, the horizontal thin flow, the perpendicular thin flow, the outer thin flow and described interior
Thin flow is all made of steel plate.
The present invention also provides a kind of assemble method of blackage clearing flow dredging apparatus for oil transportation Pump Suction Nozzle, the assemble method include with
Lower step:
Step 1, it requires to process the horizontal thin flow, the perpendicular thin flow, the outer thin flow and institute according to part drawing
State interior thin flow；
Step 2, the horizontal thin flow and the straight tube inner wall are welded, and will be erected described in two panels thin flow with the cross
Flow and straight tube inner wall welding are dredged, the group weldering of the horizontal thin flow, the perpendicular thin flow and the straight tube is completed；
Step 3, the outer thin flow and the interior thin flow are welded with 90 ° of elbow interior walls, is completed described outer
Dredge flow, the interior thin flow and 90 ° of bend group weldings；
Step 4, then by the straight tube and 90 ° of bend group weldings；
Step 5, by the straight tube and the companion flange spot welding, and by the companion flange and oil transfer pump intake flange
After being connected and fixed, blackage clearing flow dredging apparatus is adjusted, it is ensured that 90 ° of elbows are vertically mounted on oil transfer pump suction inlet side pipeline, then will be described
Straight tube and the companion flange group are welded；
Step 6, by 90 ° of elbows and the pipeline butt welding of oil transfer pump suction inlet side, the primary assembling of blackage clearing flow dredging apparatus is completed.
It is further improved as of the invention, in step 2, the horizontal thin flow both ends spot welding, remaining is every a distance
Spot welding；The perpendicular thin flow both ends spot welding, remaining is every a distance spot welding.
It is further improved as of the invention, in step 3, the outer thin flow and the interior thin equal spot welding in flow both ends,
Remaining is every a distance spot welding.
The invention has the benefit that
Blackage clearing flow dredging apparatus has structure simple, is easily installed, and has enough rigidity and pressure-resistant performance.Suitable for plurality of specifications pipe
Road oil transfer pump.Keep the oil product flow velocity into oil transfer pump uniform, guarantees the normal even running of oil transfer pump.
Detailed description of the invention
Fig. 1 is a kind of main view of the blackage clearing flow dredging apparatus for oil transportation Pump Suction Nozzle described in the embodiment of the present invention；
Fig. 2 is the sectional view along A-A in Fig. 1；
Fig. 3 is the B-B direction cross-sectional view in Fig. 1.
In figure,
1, companion flange；2, horizontal thin flow；3, thin flow is erected；4, straight tube；5, outer thin flow；6, interior thin flow；7,90 ° it is curved
Head.
Specific embodiment
The present invention is described in further detail below by specific embodiment and in conjunction with attached drawing.
Embodiment 1, as shown in Figure 1-3, a kind of blackage clearing flow dredging apparatus for oil transportation Pump Suction Nozzle of the embodiment of the present invention, comprising:
Companion flange 1, straight tube 4 and 90 ° elbow 7,4 both ends of straight tube are welded with companion flange 1 and 90 ° elbow 7 respectively.
Straight tube 4 is horizontal positioned, the horizontal thin flow 2 of the interior welds close to 1 side of companion flange and perpendicular thin flow 3.Horizontal thin stream
Piece 2 is welded on 4 inner wall of straight tube, and horizontal thin flow 2 is located on the central axes of 4 horizontal direction of straight tube.Perpendicular thin flow 3 is two panels,
It is symmetrically disposed between 4 inner wall of straight tube and horizontal thin flow 2, and the perpendicular thin flow 3 of two panels is respectively positioned on the central axes of 4 vertical direction of straight tube
On, every perpendicular thin flow 3 is welded with 4 inner wall of straight tube and horizontal thin flow 2 respectively.
90 ° of elbows 7 are vertically mounted on oil transfer pump suction inlet side pipeline, and flow 5 and interior thin flow 6 are dredged outside interior welds.
Thin flow 5 and interior thin flow 6 and 90 ° 7 radians of elbow are consistent outside, are welded on 90 ° of 7 inner walls of elbow, and outside thin flow 5 and
Interval, outer thin flow 5 between 90 ° of 7 inner walls of elbow and the interval between interior thin flow 6, interior thin 7 inner wall of flow 6 and 90 ° elbow
Between interval be equal.
Wherein, straight tube 4 uses longitudinal submerged arc welded pipe, horizontal thin flow 2, perpendicular thin flow 3, outer thin flow 5 and interior thin flow 6
It is all made of steel plate.Longitudinal submerged arc welded pipe, steel plate, companion flange and 90 ° of these components of elbow need to be machined and weld,
It is connect by flange with oil transfer pump intake flange after completion of processing.The normal operation of oil transfer pump cannot be interfered after connection,
And certain intensity, rigidity and pressure-resistant performance requirement need to be met.
Oil transportation Pump Suction Nozzle oil product, which first passes around 90 ° of elbows, 7,90 ° of elbows, the 7 outer thin flow 5 in inside and interior thin flow 6, makes oil
Product section is divided into three spaces, can improve turbulent condition of the oil product after 90 ° of elbows, and oil product is remixed through dredging stream, can be compared with
Fast makes oil product steadily enter straight pipe；Using the thin stream effect of straight pipe horizontal thin flow 2 and perpendicular thin flow 3, make oil product point
It dissipates and more smoothly enters oil transfer pump after remixing, the final normal even running for guaranteeing oil transfer pump.
Embodiment 2, a kind of assemble method of the blackage clearing flow dredging apparatus for oil transportation Pump Suction Nozzle, which includes following step
It is rapid:
Step 1, it requires to process horizontal thin flow 2, perpendicular thin flow 3, outer thin flow 5 and interior thin flow 6 according to part drawing.
Step 2, horizontal thin flow 2 is welded with 4 inner wall of straight tube, and by the perpendicular thin flow 3 of two panels with horizontal thin flow 2 and straight tube
The group weldering of horizontal thin flow 2, horizontal thin flow 2 and straight tube 4 is completed in the welding of 4 inner walls.
Wherein, horizontal 2 both ends spot welding of thin flow, remaining is every a distance spot welding；Perpendicular thin 3 both ends spot welding of flow, remaining is every
Every a distance spot welding.
Step 3, outer thin flow 5 and interior thin flow 6 are welded with 90 ° of 7 inner walls of elbow, completes outer thin flow 5, interior thin stream
The 7 groups of welderings of piece 6 and 90 ° elbow.
Wherein, outer thin flow 5 and the equal spot welding in interior 6 both ends of thin flow, remaining is every a distance spot welding.
Step 4, then by the 7 groups of welderings of straight tube 4 and 90 ° elbow.
Step 5, by straight tube 4 and 1 spot welding of companion flange, and companion flange 1 and oil transfer pump intake flange are connected and fixed
Afterwards, blackage clearing flow dredging apparatus is adjusted, it is ensured that 90 ° of elbows 7 are vertically mounted on oil transfer pump suction inlet side pipeline, then by straight tube 4 and companion flange 1
Group weldering.
Step 6, by 90 ° of elbows 7 and the pipeline butt welding of oil transfer pump suction inlet side, the primary assembling of blackage clearing flow dredging apparatus is completed.
When concrete application:
The blackage clearing flow dredging apparatus for oil transportation Pump Suction Nozzle is installed according to above-mentioned assemble method.Using the rule of the oil transfer pump of blackage clearing flow dredging apparatus
Lattice are ZLM I 400/07, and oil transportation Pump Suction Nozzle line pressure Class400, pipeline specification 28 ", the flow development length of blackage clearing flow dredging apparatus is about
For 1500mm.
The blackage clearing flow dredging apparatus for oil transportation Pump Suction Nozzle is installed according to above-mentioned assemble method.Using the oil transfer pump specification of blackage clearing flow dredging apparatus
For ZM II 630/06, oil transportation Pump Suction Nozzle line pressure Class150, the flow development length of pipeline specification 20 ", blackage clearing flow dredging apparatus is about
1200mm。
Above-mentioned two blackage clearing flow dredging apparatus by on-the-spot test use, realize under shorter entrance straight pipe restrictive condition, make into
The oil product flow velocity for entering oil transfer pump is uniform, guarantees the even running of oil transfer pump.Currently, by the actual motion of many years, this blackage clearing flow dredging apparatus
Securely and reliably, structure is simple, is easily installed, and performance is stablized.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of blackage clearing flow dredging apparatus for oil transportation Pump Suction Nozzle characterized by comprising companion flange (1), straight tube (4) and 90 ° are curved
Head (7), straight tube (4) both ends are welded with the companion flange (1) and 90 ° of elbows (7) respectively；
The straight tube (4) is horizontal positioned, and horizontal thin flow (2), and the horizontal thin flow (2) are welded on straight tube (4) inner wall
On the central axes of the straight tube (4) horizontal direction；
It is welded with perpendicular thin flow (3) between straight tube (4) inner wall and the horizontal thin flow (2), and erects thin flow described in two panels
(3) on the central axes of the straight tube (4) vertical direction；
It is equidistantly welded on 90 ° of elbows (7) inner wall and the consistent outer thin flow (5) of 90 ° of elbows (7) radian and interior
It dredges flow (6).
2. blackage clearing flow dredging apparatus according to claim 1, which is characterized in that the horizontal thin flow (2) and described perpendicular thin flow (3) position
In the side close to the companion flange (1).
3. blackage clearing flow dredging apparatus according to claim 1, which is characterized in that 90 ° of elbows (7) are vertically mounted on oil transfer pump sucking
On mouth side pipe line.
4. blackage clearing flow dredging apparatus according to claim 1, which is characterized in that the straight tube (4) uses longitudinal submerged arc welded pipe.
5. blackage clearing flow dredging apparatus according to claim 1, which is characterized in that the horizontal thin flow (2), perpendicular thin flow (3), institute
It states outer thin flow (5) and the interior thin flow (6) is all made of steel plate.
6. a kind of a kind of assemble method of the blackage clearing flow dredging apparatus for oil transportation Pump Suction Nozzle as described in claim 1, which is characterized in that
The assemble method the following steps are included:
Step 1, it requires to process the horizontal thin flow (2), perpendicular thin flow (3), the outer thin flow (5) according to part drawing
With the interior thin flow (6)；
Step 2, the horizontal thin flow (2) and the straight tube (4) inner wall are welded, and will be erected described in two panels thin flow (3) with
The horizontal thin flow (2), perpendicular thin flow (3) and the institute are completed in the horizontal thin flow (2) and the welding of the straight tube (4) inner wall
State the group weldering of straight tube (4)；
Step 3, the outer thin flow (5) and the interior thin flow (6) are welded with 90 ° of elbows (7) inner wall, completes institute
State outer thin flow (5), the interior thin flow (6) and 90 ° of elbows (7) group weldering；
Step 4, it then by the straight tube (4) and 90 ° of elbows (7) group welds；
Step 5, by the straight tube (4) and the companion flange (1) spot welding, and the companion flange (1) and oil transfer pump are sucked
After mouth flanged joint is fixed, blackage clearing flow dredging apparatus is adjusted, it is ensured that 90 ° of elbows (7) are vertically mounted on oil transfer pump suction inlet side pipeline,
The straight tube (4) and the companion flange (1) group is welded again；
Step 6, by 90 ° of elbows (7) and the pipeline butt welding of oil transfer pump suction inlet side, the primary assembling of blackage clearing flow dredging apparatus is completed.
7. assemble method according to claim 6, which is characterized in that in step 2, horizontal thin flow (2) the both ends spot welding,
Remaining is every a distance spot welding；Described perpendicular thin flow (3) both ends spot welding, remaining is every a distance spot welding.
8. assemble method according to claim 6, which is characterized in that in step 3, the outer thin flow (5) and described interior
The equal spot welding in flow (6) both ends is dredged, remaining is every a distance spot welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910079254.XA CN109812411A (en) | 2019-01-28 | 2019-01-28 | A kind of blackage clearing flow dredging apparatus and its assemble method for oil transportation Pump Suction Nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910079254.XA CN109812411A (en) | 2019-01-28 | 2019-01-28 | A kind of blackage clearing flow dredging apparatus and its assemble method for oil transportation Pump Suction Nozzle |
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| Publication Number | Publication Date |
|---|---|
| CN109812411A true CN109812411A (en) | 2019-05-28 |
Family
ID=66605365
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910079254.XA Pending CN109812411A (en) | 2019-01-28 | 2019-01-28 | A kind of blackage clearing flow dredging apparatus and its assemble method for oil transportation Pump Suction Nozzle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145409A (en) * | 2020-08-28 | 2020-12-29 | 江苏大学 | Non-uniform incoming flow suppression device for wing plate at pump inlet |
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