CN105114812A - Wax-deposition prevention oil conveying pipe - Google Patents
Wax-deposition prevention oil conveying pipe Download PDFInfo
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- CN105114812A CN105114812A CN201510601868.1A CN201510601868A CN105114812A CN 105114812 A CN105114812 A CN 105114812A CN 201510601868 A CN201510601868 A CN 201510601868A CN 105114812 A CN105114812 A CN 105114812A
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Abstract
The invention provides a wax-deposition prevention oil conveying pipe and belongs to the field of oil conveying pipe anti-crystallization equipment. By means of the wax-deposition prevention oil conveying pipe, the problems existing in an existing wax control technology are solved. According to the technical scheme, the oil conveying pipe is internally provided with a plurality of oil processors at intervals; each oil processor comprises a tank body, the two corresponding sides of the tank body are provided with a water inlet and a water outlet respectively, each tank body is internally and fixedly provided with a plurality of oil processor modules, and the oil processor modules are tightly connected through connection pieces; each oil processor module comprises two single-face concentrating flux plates, a plurality of double-face concentrating flux plates are arranged between every two single-face concentrating flux plates, plastic partition plates are arranged between the double-face concentrating flux plates and the single-face concentrating flux plates and between adjacent double-face concentrating flux plates respectively, a plurality of longitudinal oil grooves are each formed in the inner surfaces of the single-face concentrating flux plates and two planes of the double-face concentrating flux plates, the width of the narrowest positions of the oil grooves is 20-28 mm, and a plurality of plastic package permanent magnets are arranged on the plastic partition plates corresponding to the oil grooves at intervals.
Description
Technical field
The invention belongs to oil transport pipeline crystallization-preventive apparatus field, particularly relate to a kind of Wax proofing oil transport pipeline.
Background technique
Domesticly abound with waxy crude oil, according to statistics, the crude oil of mass fraction more than 10% of wax almost accounts for 90% of whole output crude oil.And the mass fraction of most of crude oil wax is all more than 20%, have even up to 40% ~ 50%.Under formation conditions, wax is generally dissolved in crude oil waxy crude oil, and along with the decline of pressure, temperature in extraction process and the effusion of light components, wax is separated out gradually, and deposits in stratum, oil pipe, pipeline, brings many puzzlements to crude oil production and conveying.
The wax deposition of oil transport pipeline not only can increase the energy consumption of conduit running, affect the safe operation of pipeline, but also may cause solidifying event of running affairs, and brings very large potential safety hazard to the conveying of oil transport pipeline.Therefore, the wax deposition problem of oil transport pipeline and Paraffin Removal technology are the focus and emphasis problems of pipe fitter's author investigation always.
Solution oil transport pipeline wax deposition problem conventional at present has following several major way: 1 is heated transportation, China's major part oil field all adopts the mode of heated transportation, but this heated transportation mode complex process, and energy consumption is high, invest huge and Security is poor, oily transfer efficiency is extremely low.2 is in crude oil, add pour-point depressant, anticoagulant, and this mode is relative to heated transportation, and Wax proofing is effective, but the price of these chemical assistants is too high, injects the significantly lifting causing Crude Oil Transportation cost throughout the year, is not suitable for promoting the use of on a large scale.3 is modes of mechanical wax removal, mechanical wax removal is that one is the most traditional, the most frequently used wax removal mode, although the mode cost of mechanical wax removal is low, but this reset mode can cause mechanical deterioration to pipeline, affect the working life of pipeline, and helpless for the privileged sites of some elbows or oil pump.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and solves existing Paraffin Removal technology Problems existing, aims to provide a kind of Wax proofing oil transport pipeline.This Wax proofing oil transport pipeline structure is simple, low cost, utilizes magnetic field to change the internal arrangement mode of wax molecule, thus effectively suppresses wax crystalline substance to be assembled, and greatly promotes Crude Oil Transportation efficiency.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: Wax proofing oil transport pipeline, comprise pipeline road, multiple oil treater is arranged at intervals with in described pipeline road, described oil treater comprises base, base is fixedly installed the tank body of hollow, the corresponding both sides of tank body are respectively arranged with the filler opening and oil outlet that communicate with tank interior space, two pieces of dividing plates are provided with in tank body, multiple oil treater module is fixedly installed between dividing plate, be fastenedly connected by link between described multiple oil treater module, described oil treater module comprises the one side concentrating flux plate of each a piece up and down, between described upper and lower two one side concentrating flux plates, multiple two-sided concentrating flux plate is set, plastic septum is equipped with between two-sided concentrating flux plate and one side concentrating flux plate and between adjacent two-sided concentrating flux plate plate, one side concentrating flux plate, two-sided concentrating flux plate and plastic septum are bolted and tighten together, the internal surface of one side concentrating flux plate and two planes up and down of two-sided concentrating flux plate all offer multiple longitudinal direction and leads to oil groove, on logical oil groove, the width at the narrowest place is 20-28 millimeter, the plastic septum leading to oil groove in correspondence is arranged at intervals with multiple plastic packaging permanent magnet.
Preferably, described logical oil groove is slub type.
Preferably, the vertical and horizontal of described plastic packaging permanent magnet all arrange according to the mode of N-S-N-S, and on each plastic septum, the arrangement mode of plastic packaging permanent magnet is identical.
The present invention compared with prior art has following beneficial effect.
Crude oil is made up of gas chromatography, and hydro carbons is former main body of oil, and paraffin is dissolved in crude oil with colloidal state, mainly forms with alkane.Because crude oil is diamagnetic substance, when being subject to magnetic fields, its intramolecular various magnetic moment can produce precession around outer magnetic field direction, then becomes one and wave after leaving magnetic field.Because this existence of waving destroys intermolecular mutual association, that is: between so-called fluid molecule, short-range order is destroyed, polymerism between crude oil molecule and micel is weakened, intermolecular combination occurs lax, the mobility of crude oil molecule increases, paraffin molecule is dissolved in crude oil as dispersed phase, and during paraffin molecule crystallization, intermolecular force weakens, and this just inhibits the generation of wax crystalline substance.Once oil stream has wax partial crystallization to go out before magnetization, just can destroy wax crystalline substance after magnetization and generate, the little micelle simultaneously having part wax crystalline substance to be broken down into dispersed state is dissolved in crude oil.Due to the effect of magnetization effect, change the mobility of crude oil, inhibit the growth of wax crystalline substance, thus reach the object of Wax proofing.
Because on oil transport pipeline, interval is provided with multiple oil treater, magnetization crude oil is again through oil treater, and nucleus and uncrystallized paraffin molecule are subject to the suppression of magnetization effect simultaneously, have not only delayed the gathering of wax crystalline substance, and also inhibits new wax partial crystallization and go out, transport pipe wax deposition amount reduces.
Crude oil is after repeatedly magnetic treatment, and the crystallization process of the heavy constituent in paraffin is suppressed, and namely the generation of nucleus and the growth of nucleus are suppressed, and the content of heavy constituent in deposition wax is reduced, wax deliquescing.The light component that in paraffin, content is more is after the effect being subject to repeatedly magnetic force, and they are suppressed further in the deposition of heavy constituent nucleating surface and the accumulation process of growing up of nucleus, and tube wall deposition wax reduces.Soft wax a small amount of is like this more weak in the adhesive capacity of tube wall, is carried by oily stream, effectively removes the old wax sticked on oil transport pipeline.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is the structural representation of Wax proofing oil transport pipeline.
Fig. 2 is the sectional structure schematic diagram of oil treater.
Fig. 3 is the structural representation of oil processing module.
Fig. 4 is the main TV structure schematic diagram of one side concentrating flux plate.
Fig. 5 is the side-looking structural representation of one side concentrating flux plate.
Fig. 6 is the main TV structure schematic diagram of two-sided concentrating flux plate.
Fig. 7 is the side-looking structural representation of two-sided concentrating flux plate.
Fig. 8 is the partial enlarged drawing at A place in Fig. 3.
Fig. 9 be in Fig. 8 B-B to partial sectional view.
In figure: 1 is pipeline road, 2 is oil treater, and 3 is filler opening, and 4 is oil outlet, and 5 is base, 6 is tank body, and 7 is dividing plate, and 8 is oil processing module, and 9 is one side concentrating flux plate, and 10 is two-sided concentrating flux plate, 11 is plastic septum, and 12 is permanent magnet, and 13 is logical oil groove, and 14 is magnet opening.
Embodiment
As shown in Fig. 1-Fig. 9, Wax proofing oil transport pipeline, comprises pipeline road 1, is arranged at intervals with multiple oil treater 2 in described pipeline road 1, and the span between oil treater 2 determines according to the mass fraction of the content of wax in the diameter of pipeline road 1 and conveying crude oil.
Described oil treater 2 comprises base 5, base 5 is fixedly installed the tank body 6 of hollow, the corresponding both sides of tank body 6 are respectively arranged with the filler opening 3 and oil outlet 4 that communicate with tank body 6 inner space, two pieces of dividing plates 7 are provided with in tank body 6, multiple oil processing module 8 is fixedly installed between dividing plate 7, be fastenedly connected by link between described multiple oil processing module 8, described oil processing module 8 comprises the one side concentrating flux plate 9 of each a piece up and down, between described upper and lower two one side concentrating flux plates 9, multiple two-sided concentrating flux plate 10 is set, plastic septum 11 is equipped with between two-sided concentrating flux plate 10 and one side concentrating flux plate 9 and between adjacent two-sided concentrating flux plate 10 plate, one side concentrating flux plate 9, two-sided concentrating flux plate 10 and plastic septum 11 are bolted and tighten together, the internal surface of one side concentrating flux plate 9 and two planes up and down of two-sided concentrating flux plate 10 all offer multiple longitudinal direction and leads to oil groove 13, on logical oil groove 13, the width at the narrowest place is 20-28 millimeter, the plastic septum 11 leading to oil groove 13 in correspondence is arranged at intervals with multiple magnet opening 14, plastic packaging permanent magnet 12 is arranged in magnet opening 14.
The plastic septum 11 of original three layers is transformed into individual layer by plastic packaging permanent magnet 12, simplify the production technology of plastic septum 11, and the magnetic of permanent magnet 12 is increased, the magnetic flux be applied on crude oil increases, and additionally by the width increasing logical oil groove 13, solves the problem that original logical oil groove 13 can be blocked, after logical oil groove 13 increases, the diameter of corresponding permanent magnet 12 also needs to increase, and crude stream cutting magnetic line intensity increases, and enhances the effect of oil treater 2.
The mechanism of action of the present invention: waxy crude oil enters in tank body 6 from the filler opening 3 of oil treater 2, flow out from oil outlet 4 after each logical oil groove 13 of oil processing module 8, multiple permanent magnets 12 that the plastic septum 11 of logical oil groove 13 both sides is arranged and concentrating flux plate together constitute circulation external magnetic field, because hydrocarbon is high magnetic substance, crude stream is when above-mentioned external magnetic field, wax molecule and cluster thereof is made to produce the resonance of magnetic induction, the resonance of intermolecular resonance and wax crystalline substance produces and destroys dispersion, also can make the Interaction enhanced of paraffin and colloid simultaneously, crude oil internal crystallization center is increased, the probability of paraffin molecule crystallization on tube wall is reduced, play wax control effect.
Because on pipeline road 1, interval is provided with multiple oil treater 2, crude oil is after repeatedly magnetic treatment, and the crystallization process of the heavy constituent in paraffin is suppressed, and namely the generation of nucleus and the growth of nucleus are suppressed, the content of heavy constituent in deposition wax is reduced, wax deliquescing.The light component that in paraffin, content is more is after the effect being subject to repeatedly magnetic force, and they are suppressed further in the deposition of heavy constituent nucleating surface and the accumulation process of growing up of nucleus, and tube wall deposition wax reduces.Soft wax a small amount of is like this more weak in the adhesive capacity of tube wall, is carried by oily stream, effectively removes the old wax sticked on oil transport pipeline 1.
The present invention utilizes magnetic field to change crude oil and paraffin molecule internal structure carries out Paraffin Removal, simple process, does not consume extra power, with low cost, and administers and maintains, and can also play certain viscosity reduction and the effect of augmented injection simultaneously.
In order to the flow velocity of enhanced flow oil in logical oil groove 13, described logical oil groove 13 is set to slub type.The project organization of slub type makes crude oil produce turbulent flow, increases the flow velocity of crude oil, thus increases the speed of crude oil cutting magnetic line, thus make oil molecule more easily resolve into highly active Small molecular cluster.
In order to strengthen the magnetizability of oil processing module 8, the vertical and horizontal of plastic packaging permanent magnet 12 all arrange according to the mode of N-S-N-S, and on each plastic septum 11, the arrangement mode of plastic packaging permanent magnet 12 is identical.This magnetic field be interspersed both can prevent the generation of the demagnetization phenomenon between permanent magnet 12, and the magnetic field be interspersed can combination once again effectively between the little cluster of crude oil for inhibiting molecule, promotes the magnetizability of oil processing module 8.
By reference to the accompanying drawings embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (3)
1. Wax proofing oil transport pipeline, comprise pipeline road (1), it is characterized in that: in described pipeline road (1), be arranged at intervals with multiple oil treater (2), described oil treater (2) comprises base (5), base (5) is fixedly installed the tank body (6) of hollow, the corresponding both sides of tank body (6) are respectively arranged with the filler opening (3) and oil outlet (4) that communicate with tank body (6) inner space, two pieces of dividing plates (7) are provided with in tank body (6), multiple oil processing module (8) is fixedly installed between dividing plate (7), be fastenedly connected by link between described multiple oil processing module (8), described oil processing module (8) comprises the one side concentrating flux plate (9) of each a piece up and down, between described upper and lower two one side concentrating flux plates (9), multiple two-sided concentrating flux plate (10) is set, plastic septum (11) is equipped with between two-sided concentrating flux plate (10) and one side concentrating flux plate (9) and between adjacent two-sided concentrating flux plate (10) plate, one side concentrating flux plate (9), two-sided concentrating flux plate (10) and plastic septum (11) are bolted and tighten together, the internal surface of one side concentrating flux plate (9) and two planes up and down of two-sided concentrating flux plate (10) all offer multiple longitudinal direction and leads to oil groove (13), on logical oil groove (13), the width at the narrowest place is 20-28 millimeter, the plastic septum (11) leading to oil groove (13) in correspondence is arranged at intervals with multiple plastic packaging permanent magnet (12).
2. Wax proofing oil transport pipeline according to claim 1, is characterized in that: described logical oil groove (13) is slub type.
3. Wax proofing oil transport pipeline according to claim 1 and 2, it is characterized in that: the vertical and horizontal of described plastic packaging permanent magnet (12) all arrange according to the mode of N-S-N-S, the arrangement mode of the upper plastic packaging permanent magnet (12) of each plastic septum (11) is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510601868.1A CN105114812B (en) | 2015-09-21 | 2015-09-21 | Wax proofing oil pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510601868.1A CN105114812B (en) | 2015-09-21 | 2015-09-21 | Wax proofing oil pipeline |
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| CN105114812A true CN105114812A (en) | 2015-12-02 |
| CN105114812B CN105114812B (en) | 2018-09-18 |
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| CN201510601868.1A Active CN105114812B (en) | 2015-09-21 | 2015-09-21 | Wax proofing oil pipeline |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317396A (en) * | 2018-03-26 | 2018-07-24 | 北京石油化工学院 | Underwater crude oil pipeline paraffin blockage electrical heating releases simulator |
| CN112145970A (en) * | 2020-09-21 | 2020-12-29 | 安徽凌老伯食品有限公司 | Livestock fertilizer processing device |
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| CN1019851B (en) * | 1985-10-15 | 1992-12-30 | 王美华 | Prevent the magnetizing assembly of oil wax deposition |
| CN2265367Y (en) * | 1996-07-26 | 1997-10-22 | 鞠旭亮 | Plate-type fluid magnetizer |
| CN2302992Y (en) * | 1997-07-18 | 1999-01-06 | 王健 | Fluid magnetization equipment |
| WO2012102624A1 (en) * | 2011-01-28 | 2012-08-02 | Sinvent As | System and system elements for direct electrical heating of subsea pipelines |
| CN103775027A (en) * | 2014-02-21 | 2014-05-07 | 江苏耐尔冶电集团有限公司 | Pipeline type special metastable alloy anti-scale and anti-paraffin tool |
| CN205065298U (en) * | 2015-09-21 | 2016-03-02 | 山西格瑞蔚蓝节能科技有限公司 | Prevent wax deposition oil pipeline |
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2015
- 2015-09-21 CN CN201510601868.1A patent/CN105114812B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1019851B (en) * | 1985-10-15 | 1992-12-30 | 王美华 | Prevent the magnetizing assembly of oil wax deposition |
| CN2265367Y (en) * | 1996-07-26 | 1997-10-22 | 鞠旭亮 | Plate-type fluid magnetizer |
| CN2302992Y (en) * | 1997-07-18 | 1999-01-06 | 王健 | Fluid magnetization equipment |
| WO2012102624A1 (en) * | 2011-01-28 | 2012-08-02 | Sinvent As | System and system elements for direct electrical heating of subsea pipelines |
| CN103775027A (en) * | 2014-02-21 | 2014-05-07 | 江苏耐尔冶电集团有限公司 | Pipeline type special metastable alloy anti-scale and anti-paraffin tool |
| CN205065298U (en) * | 2015-09-21 | 2016-03-02 | 山西格瑞蔚蓝节能科技有限公司 | Prevent wax deposition oil pipeline |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317396A (en) * | 2018-03-26 | 2018-07-24 | 北京石油化工学院 | Underwater crude oil pipeline paraffin blockage electrical heating releases simulator |
| CN108317396B (en) * | 2018-03-26 | 2023-08-15 | 北京石油化工学院 | Electric heating relieving simulator for wax blockage of underwater crude oil pipeline |
| CN112145970A (en) * | 2020-09-21 | 2020-12-29 | 安徽凌老伯食品有限公司 | Livestock fertilizer processing device |
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| CN105114812B (en) | 2018-09-18 |
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