CN107433273A - A kind of discarded crude oil pipeline method for innocent treatment - Google Patents
A kind of discarded crude oil pipeline method for innocent treatment Download PDFInfo
- Publication number
- CN107433273A CN107433273A CN201710671273.2A CN201710671273A CN107433273A CN 107433273 A CN107433273 A CN 107433273A CN 201710671273 A CN201710671273 A CN 201710671273A CN 107433273 A CN107433273 A CN 107433273A
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- Prior art keywords
- pipeline
- crude oil
- discarded
- wiper
- ball group
- Prior art date
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- Granted
Links
- 239000010779 crude oil Substances 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000012188 paraffin wax Substances 0.000 claims abstract description 32
- 239000003921 oil Substances 0.000 claims abstract description 28
- 239000002002 slurry Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000002513 implantation Methods 0.000 claims abstract description 9
- 239000001993 wax Substances 0.000 claims abstract description 8
- 239000012459 cleaning agent Substances 0.000 claims abstract description 7
- 230000000717 retained effect Effects 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000003672 processing method Methods 0.000 abstract description 4
- 235000019198 oils Nutrition 0.000 description 22
- 239000007789 gas Substances 0.000 description 16
- 238000002347 injection Methods 0.000 description 16
- 239000007924 injection Substances 0.000 description 16
- 238000007569 slipcasting Methods 0.000 description 14
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 3
- 239000011440 grout Substances 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 235000013599 spices Nutrition 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000012465 retentate Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000036301 sexual development Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Cleaning In General (AREA)
Abstract
The present invention relates to a kind of discarded crude oil pipeline method for innocent treatment.The processing method includes：1) into discarded crude oil pipeline, implantation removes oily ball group, except oily ball group includes at least two along the spaced apart oil removing wiper in length of pipeline direction, to adjacent oil removing with filling water between wiper, then air push is injected into discarded crude oil pipeline except oily ball group moves ahead along pipeline, removes and crude oil is retained in pipeline；2) paraffin removal ball group is implanted into discarded crude oil pipeline, paraffin removal ball group includes at least two along the spaced apart paraffin removal wiper in length of pipeline direction, to adjacent paraffin removal with filling cleaning agent between wiper, then air push paraffin removal ball group is injected into discarded crude oil pipeline to move ahead along pipeline, remove attachment wax and residual crude oil in pipeline；3) curable slurry, the cured discarded pipeline of filling are injected into discarded crude oil pipeline.The processing method energy consumption is low, workable, security is good, and the safe and harmlessization disposal for meeting discarded pipeline requires.
Description
Technical field
The invention belongs to discard the harmless treatment field of crude oil pipeline, and in particular to a kind of discarded crude oil pipeline is innoxious
Processing method.
Background technology
Pipeline is the most important means of transportation of oil, recently as continuous growth of the mankind to oil demand, I
State's petroleum transportation pipeline makes a breakthrough sexual development, but discarded pipe also increases year by year.Pipeline reaches Years Of Service, or because of corrosion
Defect estimation judges that pipeline does not possess the value of transfer oil natural gas, or because planning and adjusting need to relocate, or because pipeline is pacified
When the operation risk of full distance exceedes tolerance interval, pipeline can go out of use disposal.Currently, China's pipeline is extended service in the army and discarded
Disposal turns into common problem, the harmlessness disposing of the discarded pipeline in the country also not standards and norms of correlation.
Discarded pipe is handled, typically using schemes such as water filling, note corrosion inhibiter, note nitrogen tube sealings, though these schemes can
With the temporary transient safety for ensureing to block a line, but retentate later stage safety and the hidden danger of secondary pollution environment in pipe be present.As used
Traditional excavation takes pipe disposal method, although can thoroughly remove a hidden danger, exist ground installation, attachment dismounting amount it is excessive,
Underground object handles the objective reality such as extremely complex, is generally more difficult to thoroughly implement.
Application publication number is that CN104307819A patent discloses a kind of discarded oil-gas pipeline residue combined cleaning side
Method, the method for cleaning are to be implanted into pigging train to discarded oil-gas pipeline, the pigging train at least by two-way straight panel wiper,
A variety of different types of wiper and cleaning agent compositions such as foam pig, organic solvent, water base property cleaning agent；Discarded to described
Promotion medium is passed through in oil-gas pipeline, to promote the pigging train to be run in the discarded oil-gas pipeline, so as to discarded
Oil-gas pipeline is cleaned.There is the problem of high energy consumption, cleaning efficiency difference in actual washing and cleaning operation for the method for cleaning.
The content of the invention
It is an object of the invention to provide a kind of discarded crude oil pipeline method for innocent treatment, so as to solve existing cleaning side
Existing for method the problem of high energy consumption, cleaning efficiency difference.
To achieve the above object, the technical scheme of discarded crude oil pipeline method for innocent treatment of the invention is：
A kind of discarded crude oil pipeline method for innocent treatment, comprises the following steps：
1) into discarded crude oil pipeline, implantation removes oily ball group, except oily ball group includes at least two along length of pipeline direction interval
The oil removing wiper of arrangement, to adjacent oil removing with water is filled between wiper, then inject air into discarded crude oil pipeline
Promote except oily ball group moves ahead along pipeline, remove and crude oil is retained in pipeline；
2) paraffin removal ball group is implanted into discarded crude oil pipeline, paraffin removal ball group includes at least two along length of pipeline direction interval
The paraffin removal wiper of arrangement, to adjacent paraffin removal with cleaning agent is filled between wiper, then injected into discarded crude oil pipeline
Air push paraffin removal ball group moves ahead along pipeline, removes attachment wax and residual crude oil in pipeline；
3) curable slurry, the cured discarded crude oil pipeline of filling are injected into discarded crude oil pipeline.
The discarded crude oil pipeline method for innocent treatment of the present invention, according to the classification to discarding residuals in crude oil pipeline
Cleaning, improve the specific aim and cleaning efficiency of cleaning；Cleansing medium is provided between wiper, can play buffer protection and
The effect of cleaning is aided in, increase construction operability, further improves cleaning efficiency；This method can use compressed air to push away
Dynamic medium, energy consumption is low, security is good；After slip casting solidifies, turgor in crude oil pipeline pipe is discarded, medium is harmless, Ke Yida
To the safe disposal requirement to discarding pipeline, avoid producing secondary pollution to environment.
In step 1) and step 2), adjacent oil removing between wiper, adjacent paraffin removal is with being equipped with interval between wiper
Support part, to ensure between adjacent oil removing wiper, liquid storage gap is formed between adjacent paraffin removal wiper.Preferably,
The interval support part includes rigid section be connected with one of wiper and connects the soft of rigid section and another wiper
Property section.
When pipeline cleans, because the reasons such as pipeline wall thickness change, circuit fluctuating, medium build may form wiper
Pressure change between ball group group, cause to approach during front and rear spheroid, when and it is suddenly remote.The setting of compliant section can be prevented because adjacent
Wiper disengages mutually suddenly, so as to cause the impurity such as the water of outside, oil, air to enter cleansing medium accommodating chamber, influences to clean
The cleaning performance of medium.
In step 1), before implantation removes oily ball group, discarded crude oil pipeline is blocked, cut, then installed for being implanted into
The ball serving device and ball collecting device of ball group are cleaned with recovery.
In step 2), leather cup interval and hardness can be designed according to the thickness of attachment wax.
In step 1), oily ball group is removed in high point implantation along pipeline trend, is reclaimed in low spot.In step 2), moved towards along pipeline
Paraffin removal ball group is implanted into high point, is reclaimed in low spot.In step 3), curable slurry is injected along pipeline trend from low spot to high point.
The discarded crude oil pipeline method for innocent treatment of the present invention, replaced with traditional steam blowing, nitrogen purging and water
Technique is compared, and can thoroughly remove Residual oil and attached wax, prevents secondary pollution, and cleaning efficiency is high；Pipe cutting is excavated with traditional breaking ground
Technique is compared, it is not necessary to which expropriation of land is coordinated, it is not necessary to is destroyed and original is passed through road and the piece of smooth land, it is not necessary to ground structures of removing, soil
Side is excavated and to tear down and build workload relatively fewer.
The discarded crude oil pipeline method for innocent treatment of the present invention, the mode that conjunction cleansing medium is assembled using cleaning ball are cleaned
Waste pipeline, cleaning efficiency are high；Use air as promotion medium and scale removal process can be achieved, energy consumption is low, safe, can grasp
The property made is good.
Brief description of the drawings
Fig. 1 is oil removing/paraffin removal schematic diagram of the discarded crude oil pipeline method for innocent treatment of the present invention；
Fig. 2 is the flow chart of the discarded crude oil pipeline method for innocent treatment of the present invention；
Fig. 3 is the schematic diagram of slip casting curing operation.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of the discarded crude oil pipeline method for innocent treatment of the present invention, process chart is as shown in Fig. 2 adopt
With the processing system of above-described embodiment, comprise the following steps：
1) into discarded crude oil pipeline, implantation removes oily ball group, except oily ball group includes two plates set along length of pipeline direction
The leather cup wiper of formula three, there is the gap for being used for injecting water between adjacent oil removing wiper；Injected into discarded crude oil pipeline
Air push moves ahead except oily ball group along pipeline, removes and crude oil is retained in pipeline；
2) paraffin removal ball group is implanted into discarded crude oil pipeline, paraffin removal ball group includes at least two and set along length of pipeline direction
Paraffin removal wiper, there is between adjacent paraffin removal wiper the gap for being used for injecting cleaning agent；Into discarded crude oil pipeline
Injection air push paraffin removal edible vegetable oil ball group moves ahead along pipeline, removes attachment wax and residual crude oil in pipeline；
3) curable slurry, the cured discarded crude oil pipeline of filling are injected into discarded crude oil pipeline.
In step 1) and step 2), the schematic diagram that oil removing/paraffin removal is carried out to discarding crude oil pipeline refers to Fig. 1, including treats
Discarded crude oil pipeline 8, the ball serving device for being used for the implantation into discarded pipeline and cleaning ball group located at one end of crude oil pipeline 8 to be discarded
1, and the ball collecting device 10 for being used to receive cleaning ball group of the other end of crude oil pipeline 8 to be discarded is arranged at, cleaning ball group includes
Two preceding wipers 7 and rear wiper 6 set along length of pipeline direction, have between preceding wiper 7, rear wiper 6 and be used for
The gap 14 of cleansing medium is injected, interval support part is connected between preceding wiper 7 and rear wiper 6, interval support part includes
The rigid member 150 and the flexible link 151 of connection rigid member 150 and rear wiper 6 being connected with preceding wiper, interval support part 15
For preventing from cleaning ball group when forward because preceding wiper, rear wiper caused by the unequal reason of caliber are bonded to each other, guarantor
Demonstrate,prove preceding wiper, rear wiper has the minimum interval of rigid member length range, reduce gap 14 in cleansing medium leakage, carry
High cleaning efficiency；The setting of flexible link can be prevented because adjacent wiper disengages mutually suddenly, so as to cause outside water,
The impurity such as oil, air enter cleansing medium accommodating chamber, influence the cleaning performance of cleansing medium.
Discarded crude oil pipeline is provided with press and open holes plugging structure 9；Ball serving device 1 is provided with gas injection port, and gas injection port passes through note
Tracheae 2 is connected with air compressor 3, and gas injection port moves ahead for injecting air push cleaning ball group along pipeline；On ball serving device 1 also
Provided with liquid injection port, liquid injection port is connected by liquid injection pipe 4 with topping-up pump 5, for injecting cleansing medium into gap；On ball collecting device
Provided with for discharging the blast pipe 11 of gas and sewage draining exit for discharging discarded pipeline residue, sewage draining exit passes through oil extraction/row
Dirty pipeline 12 is connected with crude oil/dirt storage device 13.Ball serving device, ball collecting device are the tubulose matched with discarded crude oil pipeline
Body, one end are welded with discarded crude oil pipeline 8, and the other end sets closure to be sealed in Cleaning pipes.
In the recovery for discarded retention crude oil, wiper uses board-like three leather cups wiper, and cleansing medium is water；Work
When making, the valve on liquid injection pipe is opened, press and open holes plugging structure is unsealed, priming pump water filling into gap, before promotion
Wiper proceeds to 5m or so distances, the valve closed on topping-up pump and liquid injection pipe；Open the valve and oil exit pipe in air injection pipe
The valve in road, start air compressor, start to inject air into pipeline, wiper, water, preceding wiper and crude oil stay after promotion
Deposit crude oil to move ahead in the lump, crude oil is discharged into crude storage device (oil truck) by oil-drain pipe, crude oil and oil-polluted water fortune
Utilized to being reprocessed to specified pumping plant；When preceding wiper, rear wiper are reached in ball collecting device, air compressor is closed, is beaten
The air bleeding valve to begin to rehearse on tracheae, atmospheric pressure is decompressed to, after oil truck enters there is no oil, closes the valve of oil-drain pipe, crude oil
Operation is reclaimed to complete.
After the completion of crude oil recovery operation, further discarded crude oil pipeline can be carried out using the processing system of the present embodiment
Paraffin removal operation, paraffin removal operation use paraffin removal wiper, and cleansing medium is to adhere to wax to tube wall and remain crude oil dissolubility by force
Chemical；During paraffin removal operation, priming pump, to injecting chemical, wiper before promotion between two wipers
5m or so distances are proceeded to, the valve closed on topping-up pump and liquid injection pipe；The valve in air inlet pipe is opened, starts air compression
Machine, toward the interior injection air of pipeline, wiper, chemical, preceding wiper move ahead in the lump after promotion.So repeatedly, change clear
Pipe device, chemical, cleaning is scraped completely to irreducible oil in pipe and the attached wax of tube wall, until without obvious in discharge liquor
Greasy dirt, and combustible gas detector detection gas concentration is less than 0.5%LEL, washing and cleaning operation finishes, and closes air compressor, beats
The air bleeding valve to begin to rehearse on tracheae, emptying exhaust, is decompressed to atmospheric pressure by pressure in pipeline, opens the valve of blow-off line, to surplus
Remaining a small amount of liquid drains into dirt storage device (oil collection barrel) and is collected, and Oil stain mixture is transported to cleaning agent producer and carried out at concentration
Reason.
In above processing method, step 2) can be repeated several times, until not having obvious greasy dirt, and combustible gas physical examination in discharge liquor
Survey instrument detection gas concentration and be less than 0.5%LEL.
In step 3), the schematic diagram of slip casting curing operation is as shown in figure 3, including discarding crude oil pipeline 8, located at discarded crude oil
The left end socket 160 and right end socket 161 at the both ends of pipeline 8, the head end of discarded crude oil pipeline 8 are provided with Grouting Pipe 170, and Grouting Pipe 170 is logical
Cross clip 18 to be connected with the slip casting mouth of pipe of pump truck, the tail end of discarded crude oil pipeline 8 is provided with observation panel 171, discards in crude oil pipeline
Provided with the butter wall 19 for separating eluting gas in pipeline.
When slip casting solidifies, can implement slip casting solidification pipeline longest distance regard slurry particle diameter, slurry fluidity, pipe diameter size,
Depending on the factors such as pipeline depth displacement, 2km is usually no more than, maximum slip casting caliber is no more than 600mm.Before grouting device installation,
Waste and old pipe ends Da Yellow oil walls, and there may be eluting gas in cut-off pipe；Ellipse head is welded in tube end；Low spot end away from
From DN150 grouting ports are set at pipe end 600mm, grouting pipe is connected using personality card band device with the pump truck slip casting mouth of pipe, height
To facilitate operation to be advisable.At high point end, DN150 observation panels are set at pipe end 1000mm.
Injection each composition of slurry quality accounting be：Lime stone (5%), anhydrite (2%), alumina (1%), cement
(34%), flyash (34%) and water (23%), and add appropriate adjustable solidification agent, dispersant and defoamer (1%).Slurry injects
Before, mobility should be first tested, wet end furnish is different regarding conditions such as temperature, and injection slurry there should be super large mobility, can be achieved suitable
Profit trickling.
Inject slurry fluidity to be tested with truncated cone slump test, more than 420mm should be reached；Slurry should be full, do not isolate,
Do not sink, not bleeding；24 hours expansion rates can be achieved and reach 7%, pore belt will not be formed；28 days intensity of slurry reaches 20MPa
More than.
Grout material is stirred in concrete mixing plant, and job site is transported to tank car, slurry should in 6 hours slip casting it is complete
Finish.Grout material implements slip casting after tank car unloads material bin, by power of concrete mixer pump, and grout injection control mud jacking pressure is no more than
Pipeline work pressure, process occur pressure steeply rise or madjack pipe acutely shake should stop immediately slip casting disposal.Arrived in slurry
During up to end of line, see that (discharge mud, greasy dirt etc. can lead to tank car or special connect the stable outflow of slurry at high point gas outlet
Slurry bucket, avoid causing environmental pollution), stop pumping slurry, slip casting operation is completed.
The injection slurry energy consumption is low, good fluidity, setting time are suitable, solidification retraction amount is little；The grouting method is conventional
Provide grouting pump, scene for oneself from spice, use the mixed station of business instead and spice be provided, directly injected using the mixed station cement pump truck of business, and voluntarily
Grouting socket device is designed, workable, efficiency high, cost is low, also more practical.
After the slip casting end of job, disposed slurry solidification in two weeks, a small amount of retraction occurs in pipe end, it is cured in discharge end
Put in a skylight degree of being filled inspection at the top of pipeline, verifies slip casting solidification effect.Pipe end is artificial because of slurry curing retraction part
Filling element soil, welded seal.
In other embodiment, the quantity of wiper could be arranged to more than three；(or pipe can be according to pipe bending radius
Line fluctuating situation) flexible design interval support part length, increase cleaning fluid length to reduce wash number.Being spaced support part can be with
The rigid structure rod member of connecting steel wire ropes is distinguished for both ends, two steel wire ropes connect corresponding wiper respectively；Being spaced support part can
Not to be connected with wiper, including positioning disk and the rigid rod through positioning disk, or using other forms, can stop adjacent clear
Pipe device contacts；The type and material of wiper can be selected as needed.
The present invention discarded crude oil pipeline method for innocent treatment, process science, rationally, difficulty of construction is small, safety
Risk is low, and cost is not high, cost-effective, and market application foreground is extensive, popularization it is significant.
Claims (7)
1. a kind of discarded crude oil pipeline method for innocent treatment, it is characterised in that comprise the following steps：
1) into discarded crude oil pipeline, implantation removes oily ball group, except oily ball group includes at least two along length of pipeline direction arranged for interval
Oil removing wiper, to adjacent oil removing with water is filled between wiper, then inject air push into discarded crude oil pipeline
Except oily ball group moves ahead along pipeline, remove and crude oil is retained in pipeline；
2) paraffin removal ball group is implanted into discarded crude oil pipeline, paraffin removal ball group includes at least two along length of pipeline direction arranged for interval
Paraffin removal wiper, to adjacent paraffin removal with cleaning agent is filled between wiper, then inject air into discarded crude oil pipeline
Promote paraffin removal ball group to be moved ahead along pipeline, remove attachment wax and residual crude oil in pipeline；
3) curable slurry, the cured discarded crude oil pipeline of filling are injected into discarded crude oil pipeline.
2. discarded crude oil pipeline method for innocent treatment as claimed in claim 1, it is characterised in that step 1) and step 2)
In, adjacent oil removing between wiper, adjacent paraffin removal be equipped between wiper interval support part, to ensure in adjacent oil removing
With between wiper, liquid storage gap is formed between adjacent paraffin removal wiper.
3. discarded crude oil pipeline method for innocent treatment as claimed in claim 2, it is characterised in that the interval support part bag
Include the compliant section of the rigid section being connected with one of wiper and connection rigid section and another wiper.
4. discarded crude oil pipeline method for innocent treatment as claimed in claim 1, it is characterised in that in step 1), along pipeline
Trend removes oily ball group in high point implantation, is reclaimed in low spot.
5. discarded crude oil pipeline method for innocent treatment as claimed in claim 1, it is characterised in that in step 2), along pipeline
Trend is implanted into paraffin removal ball group in high point, is reclaimed in low spot.
6. discarded crude oil pipeline method for innocent treatment as claimed in claim 1, it is characterised in that in step 3), along pipeline
Trend injects curable slurry from low spot to high point.
7. discarded crude oil pipeline method for innocent treatment as claimed in claim 1, it is characterised in that in step 1), implantation removes
Before oily ball group, discarded crude oil pipeline is blocked, cut, then the ball serving device for being implanted into and reclaiming cleaning ball group is installed
And ball collecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671273.2A CN107433273B (en) | 2017-08-08 | 2017-08-08 | Harmless treatment method for waste crude oil pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671273.2A CN107433273B (en) | 2017-08-08 | 2017-08-08 | Harmless treatment method for waste crude oil pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107433273A true CN107433273A (en) | 2017-12-05 |
| CN107433273B CN107433273B (en) | 2020-06-12 |
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| CN201710671273.2A Active CN107433273B (en) | 2017-08-08 | 2017-08-08 | Harmless treatment method for waste crude oil pipeline |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109201696A (en) * | 2018-09-30 | 2019-01-15 | 天津市瑞德赛恩水业有限公司 | A kind of method for blocking of discarded crude oil pipeline |
| CN109985868A (en) * | 2019-04-26 | 2019-07-09 | 马付林 | Oil pipeline inner wall cleaning oil pollution method |
| CN110560467A (en) * | 2019-10-12 | 2019-12-13 | 中石化第十建设有限公司 | Harmless treatment method for waste and old pipelines |
| CN110687258A (en) * | 2019-11-08 | 2020-01-14 | 中石化第十建设有限公司 | Method for detecting cleaning cleanliness of crude oil pipeline |
| CN111156408A (en) * | 2018-11-08 | 2020-05-15 | 中国石油化工股份有限公司 | System for storing liquid and removing residual liquid |
| CN111594698A (en) * | 2020-06-22 | 2020-08-28 | 上海煤气第二管线工程有限公司 | Reciprocating type excess material recovery device and recovery method for oil and gas pipeline |
| CN115254832A (en) * | 2022-06-30 | 2022-11-01 | 西安热工研究院有限公司 | Pipeline descaling device and pipeline descaling method |
| CN116967216A (en) * | 2023-09-25 | 2023-10-31 | 福建省德尚电子材料有限公司 | Photoresist pipeline system |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109201696A (en) * | 2018-09-30 | 2019-01-15 | 天津市瑞德赛恩水业有限公司 | A kind of method for blocking of discarded crude oil pipeline |
| CN109201696B (en) * | 2018-09-30 | 2021-09-14 | 天津市瑞德赛恩水业有限公司 | Method for plugging waste crude oil pipeline |
| CN111156408A (en) * | 2018-11-08 | 2020-05-15 | 中国石油化工股份有限公司 | System for storing liquid and removing residual liquid |
| CN109985868A (en) * | 2019-04-26 | 2019-07-09 | 马付林 | Oil pipeline inner wall cleaning oil pollution method |
| CN110560467A (en) * | 2019-10-12 | 2019-12-13 | 中石化第十建设有限公司 | Harmless treatment method for waste and old pipelines |
| CN110687258A (en) * | 2019-11-08 | 2020-01-14 | 中石化第十建设有限公司 | Method for detecting cleaning cleanliness of crude oil pipeline |
| CN111594698A (en) * | 2020-06-22 | 2020-08-28 | 上海煤气第二管线工程有限公司 | Reciprocating type excess material recovery device and recovery method for oil and gas pipeline |
| CN115254832A (en) * | 2022-06-30 | 2022-11-01 | 西安热工研究院有限公司 | Pipeline descaling device and pipeline descaling method |
| CN116967216A (en) * | 2023-09-25 | 2023-10-31 | 福建省德尚电子材料有限公司 | Photoresist pipeline system |
| CN116967216B (en) * | 2023-09-25 | 2023-12-19 | 福建省德尚电子材料有限公司 | Photoresist pipeline system |
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