CN104001699B - The descaling device of Mobile skid-mounted Chemical Physics combination for a kind of oil field - Google Patents
The descaling device of Mobile skid-mounted Chemical Physics combination for a kind of oil field Download PDFInfo
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- CN104001699B CN104001699B CN201410208515.0A CN201410208515A CN104001699B CN 104001699 B CN104001699 B CN 104001699B CN 201410208515 A CN201410208515 A CN 201410208515A CN 104001699 B CN104001699 B CN 104001699B
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- cleaning case
- oil field
- cleaning
- heater
- descaling device
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- 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
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/024—Details of apparatuses or methods for cleaning pipes or tubes by creating a shock wave in the cleaning liquid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses the descaling device of a kind of oil field Mobile skid-mounted Chemical Physics combination, comprise cleaning case, air compressor machine and heater, the hot water outlet of heater is connected with the hot water inlet of cleaning case, the cooling water inlet of heater is connected with the bottom delivery port of cleaning case, form the loop of cleaning fluid heating, the another delivery port of cleaning case after circulating pump and check valve converge with the outlet of impulse generator be cleaned pipeline entrance and be connected, the outlet that is cleaned pipeline is connected in cleaning case through check valve, air compressor machine is connected with the entrance of impulse generator through magnetic valve, power distribution cabinet respectively with air compressor machine, heater, circulating pump is connected with magnetic valve. realize the combination of physics snaking and chemical snaking, by both combinations, can remove the dirt of slightly solubility and the dirt of some complex pipeline, realize multi-functional multi-selection, realize high-efficient homework, cleaning device integrated, more more outstanding than single Chemical cleaning or single one physical cleaning performance.
Description
Technical field
The invention belongs to industry cleaning link technical field, relate to the clear of petroleum gas complex pipeline fouling obstructionWash, relate in particular to the descaling device of a kind of oil field Mobile skid-mounted Chemical Physics combination.
Background technology
In oil field development, surface gathering and transferring facility is being born and is being added thermal release conveying function, and collection transfer device and flow process are manySample, the fouling that has temperature, pressure to change to cause, the fouling that has fluid composition to be incompatible to cause, fouling isCause equipment conduit failure, the rising of energy consumption, fluid cannot be carried, and stops production, economic loss is large, produceEfficiency is low, and therefore snaking and antiscale are a very important job.
Snaking technology, at present development mainly contain chemical method, chemical method solubilized carbonate scale, sulfate scale,But usually invalid for barium strontium dirt, physics snaking technology has the wiper of all kinds of patented inventions, this wiperHave machinery, waterpower hole, wherein the pipeline wiper taking waterpower hole as principle is because of its application technologyEffective, method is easy, receive an acclaim the most, but this type of pipeline wiper can only and turn on straight tube roadCurved radius is greater than in 1 times of pipeline diameter to be applied, but can not be little at bye-pass, reducing pipeline, radius of turnComplex pipeline application.
If adopt high-frequency electromagnetic snaking, be subject to the impact of concentration of medium, change in flow and magnetic field intensity, shadowRing its scaling effect, therefore uncertain enhancing, effect is poor.
Oil field adopts the supercharging skid of supercharging heating transportation integration to put in a large number in recent years, has simplified the mould of building a stationFormula, has reduced construction cost. Heating furnace oil transfer pump, gauge line that former measuring station dispersion is built are concentrated and areOne, has realized simplification cloth station, but concentrating on heat(ing) coil Yao36 road, the complexity of this device turns, and pipeFootpath is generally ф 89*4, and after heating, wet crude is carried in supercharging, due to each individual well wet crude complicated componentCause fouling very serious by Hybrid Heating condition, dirty type is complicated and changeable, and existing snaking technology can notSolve as this type of complex pipeline snaking problem, simple chemical method can not dissolve barium strontium dirt, merely physics is clearPipe device easily card is dangerous, simple gas pulse, and to hard dirt, not easy cleaning, weak effect. Oil field simultaneouslyDispersion with a varied topography is not suitable with fixed descaling device, constant because it moves, and need to expend huge peoplePower material resources.
Summary of the invention
The present invention, in order to solve the problems of the technologies described above, provides a kind of oil field Mobile skid-mounted physical chemistryIn conjunction with descaling device, to adapt to the fast instant dirty operation under complex working condition, condition, realized variousThe quick cleaning of dirt in pipeline.
The present invention is achieved through the following technical solutions:
A descaling device for Mobile skid-mounted Chemical Physics combination for oil field, comprise cleaning case, air compressor machine,Heater and impulse generator, the hot water outlet of heater is connected with the hot water inlet of cleaning case,The cooling water inlet of heater is connected with the bottom delivery port of cleaning case, forms the sealing of cleaning fluid heatingLoop, the another delivery port of cleaning case after the outlet of circulating pump and check valve and impulse generator converges withBe cleaned pipeline entrance and be connected, the outlet that is cleaned pipeline is connected in cleaning case through check valve, pneumaticsMachine is connected with the entrance of impulse generator through magnetic valve, power distribution cabinet respectively with air compressor machine, heater, followRing pump is connected with magnetic valve.
Described heater comprises fuel tank, boiler and heat pump, and described fuel tank is connected with boiler, boilerHot water outlet after heat pump, be connected with the hot water inlet of cleaning case, boiler cooling water inlet and cleaning caseBottom delivery port is connected, and forms the loop of cleaning fluid heating, power distribution cabinet respectively with boiler and heat pumpBe connected.
On cleaning case, be provided with outlet to being cleaned pipeline and flow into that cleaning fluid raffinate wherein filtersFilter.
In described cleaning case, be provided with temperature measuring probe, temperature measuring probe is connected with Temperature Detector.
In described cleaning case, be provided with the concentration detector that remaining concentration of lotion is detected.
Converging of impulse generator and cleaning case is connected with check valve, impulse generator and cleaning case between mouthConverge mouthful and be cleaned between pipeline entrance and be connected with check valve.
Described power distribution cabinet is generator.
Described power distribution cabinet comprises generator and switch board.
Described cleaning case, air compressor machine, heater, circulating pump, impulse generator and power distribution cabinet are installedOn steel base plate, described steel base plate is arranged on truck.
Described cleaning case is chemical dispensing box, and this chemistry dispensing box is divided into alkaline cleaning fluid configured pool and acidProperty cleaning fluid configured pool.
Compared with prior art, the present invention has following useful technique effect:
The descaling device of Mobile skid-mounted Chemical Physics combination for oil field provided by the invention, by arranging clearlyTank-washer, air compressor machine, impulse generator and heater, realized the combination of physics snaking and chemical snaking,By both combinations, can remove the dirt of slightly solubility and the dirt of some complex pipeline, realize many meritsCan multi-selection, realize high-efficient homework, cleaning device integrated, than single Chemical cleaning or single thingReason cleaning performance is more outstanding. Air compressor machine provides the source of the gas that produces pulse to impulse generator, gas and clearAfter cleaning fluid in tank-washer fully mixes, under the effect of check valve, at regular time and quantity by gas-liquid mixtureSend in the pipeline being cleaned. Because the air pressure gas-liquid mixture that changes is compressed into countless small gasBubble instant exploding, produce very strong shock wave, and dirty matter is disposed from tube wall. Meanwhile, gas-liquid is mixedThe tangible one-tenth of compound in-line impulse wave wave layer by layer, starts the deposition dirt matter in pipe, is convenient to current by dirty matterOutside impact tube. While needing heated wash liquid, can heat this cleaning fluid by heater simultaneously,Increase reaction speed, met chemical reaction condition.
Further, because this device is equipped with power distribution cabinet, therefore having provided power supply for oneself can be to air compressor machine, conveyingThe Quicks such as pump, for power, have solved and have cleaned ground unregulated power and power shortage.
Further, because chemical dispensing box has been divided into alkaline cleaning fluid configured pool and acidic cleaning solution configurationPond, therefore can clean dirt of different nature.
Further, above-mentioned equipment is combined into one, is arranged on steel base, integral installation existsOn truck, and it is carried out to counterweight layout, realize vehicle-mounted center of gravity through counterweight and be not offset, realizedSafety moving, has met multistation, quick snaking demand, has reduced lifting transport operation cost.
Brief description of the drawings
Fig. 1 is that the descaling device structure of oil field provided by the invention Mobile skid-mounted Chemical Physics combination is shownIntention;
Fig. 2 is that the descaling device of oil field provided by the invention Mobile skid-mounted Chemical Physics combination is installed clothInterposed structure schematic diagram.
Wherein: 1 is cleaning case; 2 is air compressor machine; 3 is heater; 31 is fuel tank; 32 is boiler;33 is heat pump; 4 is circulating pump; 5 is impulse generator; 6 is power distribution cabinet; 7 for being cleaned pipeline; 8For magnetic valve; 9 is check valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Referring to Fig. 1, Fig. 2, the descaling device of Mobile skid-mounted Chemical Physics combination for a kind of oil field, comprisesCleaning case 1, air compressor machine 2, heater 3 and impulse generator 5, described heater 3 comprises oilCase 31, boiler 32 and heat pump 33, described fuel tank 31 is connected with boiler 32, and the hot water of boiler 32 goes outMouth is connected with the hot water inlet of cleaning case 1 after heat pump 33, boiler 32 cooling water inlets and cleaning case 1Bottom delivery port be connected, form the loop of cleaning fluid heating, the another delivery port of cleaning case 1After circulating pump 4 and check valve 9 and the outlet of impulse generator 5 converge through check valve 9 be cleaned pipeRoad 7 entrances are connected, and converging of impulse generator 5 and cleaning case 1 is connected with check valve 9 between mouth,The outlet that is cleaned pipeline 7 is connected in cleaning case 1 through check valve 9, air compressor machine 2 through magnetic valve 8 withThe entrance of impulse generator 5 is connected, power distribution cabinet 6 respectively with air compressor machine 2, boiler 32, heat pump 33, followRing pump 4 is connected with magnetic valve 8, and the outlet being provided with on cleaning case 1 being cleaned pipeline 7 flows into whereinThe filter that filters of cleaning fluid raffinate. Wherein, described boiler 32 is electric furnace.
Further, in described cleaning case 1, be provided with temperature measuring probe, temperature measuring probe and temperatureDegree detector is connected, and in the time that temperature measuring probe detects that rinse liquid temperature is too low, starts boiler to cleaningLiquid carries out circulating-heating, thereby ensures reaction speed.
Further, in described cleaning case 1, be provided with the concentration that remaining concentration of lotion is detectedDetector, when concentration detector detects the concentration of this remnants cleaning fluid when too low, by straight this remnants cleaning fluidConnect and clean out.
Further, described power distribution cabinet is generator, can power directly to this equipment like this,Transmitting power or described power distribution cabinet comprise generator and switch board, not only ensure to this equipment power supply,Can also carry out Based Intelligent Control to this device simultaneously.
Further, described cleaning case 1, air compressor machine 2, heater 3, circulating pump 4, pulse are sent outRaw device 5 and power distribution cabinet 6 are arranged on steel base plate, and described steel base plate is arranged on truck, like thisSaid apparatus is combined into one, is arranged on steel base, integral installation, on truck, just canAlong the movement of truck and move.
Referring to Fig. 2, join each parts installation site of this device, need to design, need to be through counterweightRealize vehicle-mounted center of gravity and be not offset, realize mobile security.
Further, described cleaning case 1 is chemical dispensing box, and this chemistry dispensing box divides alkalize to cleanLiquid configured pool and acidic cleaning solution configured pool, like this, this device just can be cleared up pipe of different nature simultaneouslyDirt. Meanwhile, described chemical dispensing box can stir automatically, and this has has increased reaction speed, canTo realize the quick cleaning to pipe scale.
Concrete, this device first converts the barium sulfate of indissoluble to brium carbonate
BaSO4+Na2(CO3)→Ba(CO3)2+Na2SO4
The solubility of brium carbonate is much larger than barium sulfate, and under acid condition, solubility significantly rises, and therefore removesDirt efficiency improves greatly.
Meanwhile, adopt impulse generator
Air compressor machine is sent into Compressed Gas in impulse generator, after gas and cleaning fluid fully mix, at electricityUnder the effect of magnet valve, gas-liquid mixture is sent into and being cleaned in pipeline 7 at regular time and quantity. Because air pressure producesChanging mixture is compressed into countless small bubbles instant exploding, produces very strong shock wave,Dirt matter is disposed from the tube wall that is cleaned pipeline 7. Meanwhile, gas-liquid mixture in-line is tangibleBecome impulse wave wave layer by layer, start the deposition dirt matter in pipe, be convenient to liquid and flow outside dirty matter impact tube.
Concrete, chemical liquids is heated to 90-100 DEG C by washing and cleaning operation, and that delivers to fouling is cleaned pipeline 7In, interval 3-5 minute applies 0.1-0.3MPa air compressing air, compressed air by impulse generator,Check valve puts on the shock effect that forms chemical liquids in chemical liquids, enters pipeline and causes hydraulic oscillation, producesUnboiled water hits, impacts tube wall, peels off and dissolves dirty thing.
The present invention has adopted chemistry and physical bond mode, has solved the snaking of complicated dirt, Chemical cleaningHeating agitating function and impulse generator have been realized in conjunction with, chemical cleaning solution under hydraulic blow, and it is right to realizeIndissoluble dirt, compared with the removing of hard scale, high-efficient homework, house generator solved Dan Shengzhan clean be short of powerProblem, cleaning device integrated, realizes multi-functional multi-selection, than single Chemical cleaning or singlePhysical cleaning effect is more outstanding. Adopt boiler to heat, concerning simple Chemical cleaning, increasedReaction speed, has met chemical reaction condition, and removable design has met multistation, quick snaking demand,Reduce lifting transport operation cost.
More than show and described general principle of the present invention and principal character and advantage of the present invention. One's own professionThe technical staff of industry should understand, and the present invention is not restricted to the described embodiments, above-described embodiment and explanationThat in book, describes just illustrates principle of the present invention, without departing from the spirit and scope of the present invention,The present invention also has various changes and modifications, and these changes and improvements all fall into claimed model of the present inventionIn enclosing. The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (10)
1. a descaling device for Mobile skid-mounted Chemical Physics combination for oil field, is characterized in that, comprisesCleaning case (1), air compressor machine (2), heater (3) and impulse generator (5), heater (3)Hot water outlet be connected with the hot water inlet of cleaning case (1), the cooling water inlet of heater (3) withThe bottom delivery port of cleaning case (1) is connected, and forms the loop of cleaning fluid heating, cleaning case (1)Another delivery port after circulating pump (4) and check valve (9) and the outlet of impulse generator (5) convergeBe cleaned pipeline (7) entrance and be connected, the outlet that is cleaned pipeline (7) connects through check valve (9)In cleaning case (1), air compressor machine (2) is the entrance phase with impulse generator (5) through magnetic valve (8)Connect, power distribution cabinet (6) respectively with air compressor machine (2), heater (3), circulating pump (4) and magnetic valve(8) be connected.
2. the descaling device of Mobile skid-mounted Chemical Physics combination for oil field according to claim 1,It is characterized in that, described heater (3) comprises fuel tank (31), boiler (32) and heat pump (33),Described fuel tank (31) is connected with boiler (32), and the hot water outlet of boiler (32) is through heat pump (33)Be connected with the hot water inlet of cleaning case (1) afterwards, boiler (32) cooling water inlet and cleaning case (1)Bottom delivery port is connected, and forms the loop of cleaning fluid heating, power distribution cabinet (6) respectively with boiler (32)Be connected with heat pump (33).
3. the snaking dress of Mobile skid-mounted Chemical Physics combination for oil field according to claim 1 and 2Put, it is characterized in that, the outlet being provided with on cleaning case (1) being cleaned pipeline (7) flows into whereinThe filter that filters of cleaning fluid raffinate.
4. the descaling device of Mobile skid-mounted Chemical Physics combination for oil field according to claim 1,It is characterized in that, in described cleaning case (1), be provided with temperature measuring probe, temperature measuring probe and temperatureDegree detector is connected.
5. the descaling device of Mobile skid-mounted Chemical Physics combination for oil field according to claim 1,It is characterized in that, in described cleaning case (1), be provided with the concentration that remaining concentration of lotion is detectedDetector.
6. the descaling device of Mobile skid-mounted Chemical Physics combination for oil field according to claim 1,It is characterized in that, converging of impulse generator (5) and cleaning case (1) is connected with check valve (9) between mouth,Converging mouth and being cleaned between pipeline (7) entrance of impulse generator (5) and cleaning case (1) is connected withCheck valve (9).
7. the descaling device of Mobile skid-mounted Chemical Physics combination for oil field according to claim 1,It is characterized in that, described power distribution cabinet (6) is generator.
8. the descaling device of Mobile skid-mounted Chemical Physics combination for oil field according to claim 1,It is characterized in that, described power distribution cabinet (6) comprises generator and switch board.
9. the descaling device of Mobile skid-mounted Chemical Physics combination for oil field according to claim 1,It is characterized in that, described cleaning case (1), air compressor machine (2), heater (3), circulating pump (4),Impulse generator (5) and power distribution cabinet (6) are arranged on steel base plate, and described steel base plate is arranged onOn truck.
10. the descaling device of Mobile skid-mounted Chemical Physics combination for oil field according to claim 1,It is characterized in that, described cleaning case (1) is chemical dispensing box, and this chemistry dispensing box divides alkalize to cleanLiquid configured pool and acidic cleaning solution configured pool.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410208515.0A CN104001699B (en) | 2014-05-16 | 2014-05-16 | The descaling device of Mobile skid-mounted Chemical Physics combination for a kind of oil field |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410208515.0A CN104001699B (en) | 2014-05-16 | 2014-05-16 | The descaling device of Mobile skid-mounted Chemical Physics combination for a kind of oil field |
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| CN104001699A CN104001699A (en) | 2014-08-27 |
| CN104001699B true CN104001699B (en) | 2016-05-04 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104525533A (en) * | 2014-11-28 | 2015-04-22 | 中国石油天然气股份有限公司 | Scale removing process for digital pressurizing pry of oilfield |
| CN107159656B (en) * | 2017-07-06 | 2023-01-17 | 江苏徐工工程机械研究院有限公司 | Pipeline cleaning device and method and concrete conveying equipment |
| CN112474631A (en) * | 2020-11-28 | 2021-03-12 | 濮阳兴泰金属结构制品有限公司 | Mobile hot washing station for sulfur deposition equipment of gas gathering station |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181184Y (en) * | 2008-02-19 | 2009-01-14 | 孙成志 | Vehicle-mounted detachable multifunctional near-line cleaning apparatus |
| CN201427121Y (en) * | 2009-03-06 | 2010-03-24 | 范经刚 | High-pressure air impulse pipeline cleaning device |
| CN201760430U (en) * | 2010-07-20 | 2011-03-16 | 方娴婧 | Full-automatic pulse pipeline cleaning machine |
| CN202006201U (en) * | 2010-11-25 | 2011-10-12 | 大连恩泽电器有限责任公司 | Circulation type water gas mixing pulse pipeline cleaning system |
| EP2636461A1 (en) * | 2009-09-28 | 2013-09-11 | Paradigm Flow Services Limited | Method and apparatus for removing a blockage from a fluid conduit. |
| CN203817005U (en) * | 2014-05-16 | 2014-09-10 | 西安泰德石油科技开发有限责任公司 | Movable skid-mounted chemical and physical combined dirty clearing device for oil field |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008136991A (en) * | 2006-12-04 | 2008-06-19 | Renovate:Kk | Waterworks pipe cleaning system and method |
| KR100821715B1 (en) * | 2007-06-25 | 2008-04-14 | 구영욱 | Cleaning apparatus of pipe and cleaning method of the same |
| KR101126786B1 (en) * | 2009-12-15 | 2012-03-29 | 주식회사 이엠이 | Automatic cleaning system for plate type heat exchangers |
-
2014
- 2014-05-16 CN CN201410208515.0A patent/CN104001699B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181184Y (en) * | 2008-02-19 | 2009-01-14 | 孙成志 | Vehicle-mounted detachable multifunctional near-line cleaning apparatus |
| CN201427121Y (en) * | 2009-03-06 | 2010-03-24 | 范经刚 | High-pressure air impulse pipeline cleaning device |
| EP2636461A1 (en) * | 2009-09-28 | 2013-09-11 | Paradigm Flow Services Limited | Method and apparatus for removing a blockage from a fluid conduit. |
| CN201760430U (en) * | 2010-07-20 | 2011-03-16 | 方娴婧 | Full-automatic pulse pipeline cleaning machine |
| CN202006201U (en) * | 2010-11-25 | 2011-10-12 | 大连恩泽电器有限责任公司 | Circulation type water gas mixing pulse pipeline cleaning system |
| CN203817005U (en) * | 2014-05-16 | 2014-09-10 | 西安泰德石油科技开发有限责任公司 | Movable skid-mounted chemical and physical combined dirty clearing device for oil field |
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| CN104001699A (en) | 2014-08-27 |
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