CN105381933B - A kind of gathering line corrosion inhibiter coating device - Google Patents
A kind of gathering line corrosion inhibiter coating device Download PDFInfo
- Publication number
- CN105381933B CN105381933B CN201510683191.0A CN201510683191A CN105381933B CN 105381933 B CN105381933 B CN 105381933B CN 201510683191 A CN201510683191 A CN 201510683191A CN 105381933 B CN105381933 B CN 105381933B
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- Prior art keywords
- main shaft
- corrosion inhibiter
- fixing sleeve
- coating device
- angular adjustment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C7/00—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work
- B05C7/06—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work by devices moving in contact with the work
- B05C7/08—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work by devices moving in contact with the work for applying liquids or other fluent materials to the inside of tubes
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- Application Of Or Painting With Fluid Materials (AREA)
- Coating Apparatus (AREA)
Abstract
A kind of gathering line corrosion inhibiter coating device, is mainly ramed and positioning disk etc. forms by main shaft, two groups of Package powers, three groups of coating brushes, two groups, front and back are anti-.Its coating method is: under the promotion of coating device rear end wiper axial force; this power is decomposed into a power forward and the power making device rotate along axle by power set; thus walking forward in limit, the corrosion inhibiter being deposited on pipeline bottom is carried to pipeline top by limit, at one layer of corrosion inhibiter protecting film of inner-walls of duct even application.Compared with existing corrosion inhibiter coating device, have that volume is little, compact conformation, without extra power, the advantage such as safe and reliable.
Description
Technical field:
Disclosure one gathering line corrosion inhibiter coating device, especially for the corrosion inhibiter coating device of high sulfur-bearing dampness gathering line.
Background technology:
In gas industry, the function of dampness gathering line is natural gas not separated and purified treatment in gas gathering station to be transported to gas treatment plant be processed further.Heat exchange can occur between pipeline and external environment condition in moisture transport process, and when conduction of heat makes tube wall temperature lower than steam dew point, a part of heavy constituent meeting condensation is out, thus producing hydrops.For the acid gas pipeline containing hydrogen sulfide and carbon dioxide, under having hydrops existence condition, the electrochemical corrosion that pipeline is serious being caused, cause trommel even to bore a hole, thus causing that poisonous medium leaks, and then causing the poisoning or accident such as fire, blast.Actual industrial production generally adopt the method being periodically subject to pipeline corrosion inhibitor film to prevent pipeline corrosion.Namely by filling corrosion inhibiter in pipeline, making corrosion inhibiter and inside pipe wall be fully contacted, corrosion inhibiter is by special parent's metallicity chemical bond, and meeting and pipe inner metal surface combine strongly, form layer protecting film.Generally adopt two wipers when tube wall is carried out film, corrosion inhibiter fills between former and later two wipers, forms a liquid plug closed.At walking in pipe under two wipers gas push in the wings, the corrosion inhibiter liquid plug being enclosed between two wipers contacts with tube wall, thus tube wall is carried out film.But in actual film operation process; owing to wiper kinetic characteristic in the duct is by various factors; former and later two wiper speeds of service are often inconsistent; when the front wiper speed of service is more than rear wiper; spacing between two wipers of front and back can increase; now it is enclosed in the corrosion inhibiter between two wipers and will not refill whole pipeline; but produce layering; thus causing that top tube wall contacts with corrosion inhibiter owing to failing; protecting film can not be formed; therefore the corrosion rate of overhead line is much larger than, bottom pipeline, producing so-called pipeline top part corrosion.
US Patent No. 6874193 proposes a kind of ejection-type corrosion inhibiter coating device.This device core component is mounted in the Venturi nozzle of head, and Venturi nozzle connects with device afterbody.When wiper backside gas arrives Venturi nozzle; because circulation area reduces suddenly; fluid is accelerated; negative pressure will be produced according to bernoulli principle; cause parital vacuum; so that the liquid being deposited on pipeline bottom is carried into nozzle via liquid suction pipe, it is less easily entrained by and sprays to tube wall top, pipeline top is carried out corrosion inhibiter coating protective.But in use there are the following problems for this device: one is formed closing space owing to wiper backside gas constantly enters two wipers, thus causing that front and back two wiper spacing is increasing, it is enclosed in liquid height therebetween more and more lower, the difficulty that liquid enters nozzle is also increasing, even complete failure；Two be wiper in running it may happen that rotate, thus cause nozzle eject position deviation pipeline top, thus causing that tube wall top is likely to not receive injection liquid；Three is that the amount of liquid of injection is by various factors such as pipeline backside gas flow velocity, pipeline structures, it is impossible to remain constant, it is impossible to ensure pre-film quality.
Article " top part corrosion of dampness pipeline and protection " (corrosion and protection, the 28th volume the 4th phase: 167-170 in 2007) refer to a kind of rotary-type coating device.This device is a cylinder, periphery processing has many spiral grooves, when device is advanced by gas push in the duct, the air-flow in spiral groove can promote spreader ceaselessly to rotate, thus taking the liquid phase corrosion inhibiter being filled into duct bottom to pipeline top.It is true that owing to the frictional resistance between wiper and inside pipe wall is quite big, wiper is difficult to rotate in running, it is impossible to bottom liquid is carried to top, therefore cannot be applied in actual production.
Patent of invention CN102266838 discloses a kind of gathering line corrosion inhibiter coating device, by battery compartment, motor bin, impeller forms, and impeller is provided with blade, and impeller rotates under motor drives, by blade, pipeline bottom corrosion inhibiter is carried to pipeline top, covers whole inner-walls of duct.The method adopts battery driven motor to rotate, and its operation time is limited by battery capacity, it is difficult to be applicable to the gathering line that distance is longer.Connect simultaneously as device exists electrical equipment, explosion-proof is had higher requirements, the gathering line that conveying is inflammable, explosive uses and there is potential safety hazard.
For the defect overcoming coating device in above-mentioned prior art to exist, the present invention propose a kind of can without extra power, can by the corrosion inhibiter even application self-driven type gathering line corrosion inhibiter coating device in tube wall surrounding.Compared with existing corrosion inhibiter coating device, have that volume is little, compact conformation, without extra power, the advantage such as safe and reliable.
Summary of the invention:
The present invention relates to a kind of gathering line corrosion inhibiter coating device, mainly include a main shaft, Package power and coating brush, main shaft is the cylindrical structure of inner hollow, its rear and front end is separately installed with anti-raming and positioning disk, Package power has two groups, the number often organizing Package power is 3, respectively along main shaft circumferentially, the main shaft before and after two groups of Package powers is mounted on coating brush.
Described Package power is by fixing sleeve, and angular adjustment bar, linkage rod supporting mechanism and driving wheel form, and one end of fixing sleeve is fixed on the cylinder body outer wall of main shaft, is provided with angular adjustment bar in the cylinder of the other end；Angular adjustment bar one end is embedded in fixing sleeve, and the other end is connected with linkage rod supporting mechanism, and tie-bar support structure end is provided with driving wheel.
Described fixing sleeve is fixed on the same cross section of the central axis with main shaft, angle each other is 120 °, the cylinder inboard wall of fixing sleeve has circumferentially been evenly arranged several gathering sills, and fixing sleeve is connected in the body end surface of side to be provided with the angle instruction dish at the circumferential angle showing gathering sill with angular adjustment bar.
Described angular adjustment bar is cylinder, its outer wall in the axial direction on be arranged symmetrically with two row guiding straight rails, guiding straight rail cross sectional shape is identical with the end surface shape of fixing sleeve gathering sill, and the straight rail that leads of angular adjustment bar can be made along the gathering sill of fixing sleeve deeply to fix the appropriate location of sleeve inner.
Described fixed cover drum outer wall is provided with hole, location and the alignment pin of fixed angle adjusting rod, it is possible to be secured in place by angular adjustment bar.
The angle of the centrage of described driving wheel and main shaft all keeps identical, and the material of driving wheel is for having certain wearability and elastic polyurethane or elastomeric material.
Being made up of brush holder and bristle of described coating brush, brush holder one end is evenly arranged along spindle outer wall circumference, and the other end is provided with bristle, and the distance of the bristle end distance alignment of shafts is about 1.05-1.5 times of pipe radius.
Described anti-raming as hemispherical, material is for having certain wearability and elastic polyurethane or elastomeric material.
Described main shaft tail is provided with location transmitters.
Compared with prior art, there is advantages that
(1) need not extra power drive, only can run under the axial motive force effect of wiper in the wings, save the energy, easy to use, and avoid the blast caused when transporting flammable explosive gas because of electric spark；
(2) multilayer film, is positioned at the liquid film film again that front can be destroyed by last coating brush by driving wheel, it is ensured that film quality；
(3) device composition is simple, has and produces the advantages such as low, easy to operate with operating cost.
Accompanying drawing illustrates:
Fig. 1 is present configuration schematic diagram；
Fig. 2 is Package power sectional view of the present invention；
Fig. 3 is power set partial structurtes schematic diagram of the present invention；
Fig. 4 is that the present invention applies brush operating diagram；
Fig. 5 is single present invention film process schematic in gathering line.
Fig. 6 is two present invention film process schematic in gathering line.
Detailed description of the invention:
As shown in Figure 1, a kind of gathering line corrosion inhibiter coating device of the present invention, mainly include a main shaft 1, Package power 2 and coating brush 3, the rear and front end of main shaft 1 is separately installed with anti-ram 4 and positioning disk 5, Package power 2 has two groups, the number often organizing Package power 2 is 3, respectively along main shaft 1 circumferentially, the main shaft 1 before and after two groups of Package powers 2 is mounted on coating brush 3.
As in figure 2 it is shown, described Package power 2 is made up of fixing sleeve 6, angular adjustment bar 7, linkage rod supporting mechanism 8 and driving wheel 9, one end of fixing sleeve 6 is fixed on the cylinder body outer wall of main shaft 1, is provided with angular adjustment bar 7 in the cylinder of the other end；Angular adjustment bar 7 one end is embedded in fixing sleeve 6, and the other end is connected with linkage rod supporting mechanism 8, and tie-bar support structure 8 end is provided with driving wheel 9.
Described fixing sleeve 6 be fixed on on the same cross section of the central axis of main shaft 1, angle each other is 120 °, the cylinder inboard wall of fixing sleeve 6 has circumferentially been evenly arranged several gathering sills 10, and fixing sleeve 6 is connected in the body end surface of side to be provided with the angle instruction dish 11 at circumferential angle of display gathering sill 10 with angular adjustment bar 7.
As shown in Figure 3, described angular adjustment bar 7 is cylinder, its outer wall in the axial direction on be arranged symmetrically with two row guiding straight rails 12, guiding straight rail 12 cross sectional shape is identical with the end surface shape of the gathering sill 10 of fixing sleeve 6, and the straight rail 12 that leads of angular adjustment bar 7 can be made deeply to fix the appropriate location within sleeve 6 along the gathering sill 10 of fixing sleeve 6.
The outer wall of fixing sleeve 6 is provided with hole, location 15 and the alignment pin 16 of fixed angle adjusting rod 7, it is possible to be secured in place by angular adjustment bar 7.
Described driving wheel 9 and the angle of the centrage of main shaft 1 all keep identical, and the material of driving wheel 9 is for having certain wearability and elastic polyurethane or elastomeric material.
As shown in Figure 4, being made up of brush holder 13 and bristle 14 of described coating brush 3, brush holder 13 one end is evenly arranged along main shaft 1 outer wall circumference, and the other end is provided with bristle 14, and the distance at bristle 14 end distance main shaft 1 center is about 1.05-1.5 times of pipe radius.
Operation principle of the present invention describes in detail as follows:
As it is shown in figure 5, in carrying out pipeline film operation, first place a conventional wiper 19 in the pipeline 18 treating film, after then placing this invention into conventional wiper 19, on the right side of the downstream of the present invention, finally put into another conventional wiper 22.Wiper 19 and wiper 22 form one and close space, corrosion inhibiter filler 20 close space filling corrosion inhibiter 21 to this, make corrosion inhibiter 21 be full of this closing space.During film operation, in pipeline 18, being carried gas by rear side of conventional wiper 22, relying on gas pressure to promote coating device to walk in pipeline 18, thus starting film operation.
Before pipeline 18 is carried out film, first alignment pin 16 can be extracted, pull out angular adjustment bar 7 again, the angle between driving wheel 9 and main shaft 1 axis is regulated according to institute's indexing on adjusting angle graduated disc 11, then the appropriate location of fixing sleeve 6 is turned back to, and retighten with alignment pin 16, make device circumferential size and pipeline 18 internal diameter adapt, thus meeting the film needs of different tube diameters pipeline.The guiding straight rail 12 relative installation in the gathering sill 10 of fixing sleeve 6 of adjusting angle adjusting rod 7 can change the angle between the axis of driving wheel 9 and main shaft 1.When leading angle can be obtained by the scale indicated by the pointer place adjusting angle graduated disc 11 on angular adjustment bar 7.The ratio of different axial advancement speed and device rotary speed can be obtained, thus regulating the angular velocity of the rotation of this device by changing the angle between driving wheel 9 and the axis of main shaft 1.In order to ensure each Package power 2 uniform force, in adjustment process, the angle between the driving wheel 9 of all Package powers of the present invention 2 and the axis of main shaft 1 all should keep consistent.
Along conduit running under the promotion of wiper 22 air-flow in its rear, wiper 22 is moved in pipeline by the anti-4 promotion present invention that ram of end of the present invention in advance process.The effect of positioning disk 5 is the stability maintaining the present invention.
The present invention in the process of motion, travelled forward by the anti-4 promotion wipers 19 of raming of its front end or by corrosion inhibiter 21 liquid closed between two wipers to dynamic wiper 19 along conduit running.
Preventing raming 4 for hemispherical, to reduce the frictional resistance between the wiper of when present invention rotates and front and back, material adopts polyurethane or rubber simultaneously, it is possible to buffering and the interaction force between the wiper of front and back.Simultaneously for ensureing that the present invention passes through the pipeline with certain curvature, it is to avoid the generation of blocking phenomenon, front-end of spindle is also equipped with positioning disk 5.
When the present invention runs in pipeline 18, in the support and linkage rod supporting mechanism 8 of angular adjustment bar 7 under the combined effect of spring tension, driving wheel 9 keeps close contact with pipeline 18 inwall；Owing to having angle between central axis and the central axis of main shaft 1 of driving wheel 9, now, the power between driving wheel 9 and pipeline 18 inwall can be decomposed into two component；One of them component is consistent with the axis direction of main shaft 1, promotes device to advance forward, and another component promotes device to rotate around main shaft 1, and therefore driving wheel 9 againsts pipeline 18 inwall and rotates around main shaft 1, while travelling forward.Driving wheel 9 drives main shaft 1 to rotate in rotation process; because coating brush 3 is fixed on main shaft 1 outer wall; therefore coating brush 3 also can rotate along main shaft 1; and then the corrosion inhibiter 21 being deposited on pipeline 18 bottom is carried to pipeline 18 top, thus at one layer of corrosion inhibiter protecting film of pipeline 18 inwall even application.Main shaft 1 is hollow cylindrical configuration, and whole device volume is light, and rotary resistance is little.Rotation edge, limit of the present invention pipeline 18 advances; the distance of the bristle 14 end distance main shaft 1 of coating brush 3 is more than the half of pipeline 18 diameter; accordingly even when corrosion inhibiter 21 can not be full of pipeline; the corrosion inhibiter 21 being deposited on bottom pipeline 18 also can be carried to pipeline 18 top by coating brush 3; so that whole pipeline 18 inwall is all covered by corrosion inhibiter 21; form uniform protecting film, reduce corrosion risk.
Main shaft 1 is provided with coating brush 3; in the present invention in pipeline 18 in running; the coating brush 3 being positioned at rearmost end rotates together with main shaft 1; tube wall applies corrosion inhibiter protecting film again; can effectively prevent the destruction of the corrosion inhibiter protecting film that upstream just applied by second group of driving wheel 9 in traveling process, further enhance corrosion inhibiter film effect.
The afterbody of main shaft 1 is provided with emitter 17, it is possible to the present invention is positioned, moment monitoring present invention ruuning situation in pipeline 18.
As shown in Figure 6, in order to improve film effect, can by two or more coating devices as between wiper 19 and wiper 22, in order to more corrosion inhibiter 21 is coated on tube wall, increasing the thickness of protecting film, extending the film time, thus improving protected effect.
Visible, the suitability of the present invention is strong, even if described stream oriented device speed owing to walking pipeline 18 in is inconsistent, when causing corrosion inhibiter 21 liquid of closing to present laminar flow, it is also ensured that corrosion inhibiter 21 applies effect.
Claims (7)
1. a gathering line corrosion inhibiter coating device, it is characterized in that: mainly include a main shaft (1), Package power (2) and coating brush (3), the cylindrical structure that main shaft (1) is inner hollow, its rear and front end is separately installed with anti-raming (4) and positioning disk (5), Package power has two groups, the number often organizing Package power (2) is 3, respectively along main shaft (1) circumferentially, the main shaft (1) before and after two groups of Package powers (2) is mounted on coating brush (3)；
Wherein, described Package power (2) is by fixing sleeve (6), angular adjustment bar (7), linkage rod supporting mechanism (8) and driving wheel (9) composition, one end of fixing sleeve (6) is fixed on the outer wall of main shaft (1), is provided with angular adjustment bar (7) in the cylinder of the other end of fixing sleeve (6)；Angular adjustment bar (7) one end is embedded in fixing sleeve (6), and the other end is connected with linkage rod supporting mechanism (8), and tie-bar support structure (8) end is provided with driving wheel (9)；
The angle of the centrage of described driving wheel (9) and main shaft (1) all keeps identical, and the material of driving wheel (9) is for having certain wearability and elastic polyurethane or elastomeric material.
2. a kind of gathering line corrosion inhibiter coating device according to claim 1, it is characterized in that: described fixing sleeve (6) be fixed on on the same cross section of the central axis of main shaft (1), mutual angle is 120 °, the cylinder inboard wall of fixing sleeve (6) has circumferentially been evenly arranged several gathering sills (10), and fixing sleeve (6) is connected in the body end surface of side to be provided with angle instruction dish (11) at the circumferential angle showing gathering sill (10) with angular adjustment bar (7).
3. a kind of gathering line corrosion inhibiter coating device according to claim 1, it is characterized in that: described angular adjustment bar (7) is cylinder, its outer wall in the axial direction on be arranged symmetrically with two row guiding straight rail (12), guiding straight rail (12) cross sectional shape is identical with the end surface shape of fixing sleeve (6), gathering sill (10), and the guiding straight rail (12) of angular adjustment bar (7) can be made deeply to fix the appropriate location inside sleeve (6) along the gathering sill (10) of fixing sleeve (6).
4. a kind of gathering line corrosion inhibiter coating device according to claim 1, it is characterized in that: described fixing sleeve (6) outer wall is provided with hole, location (15) and the alignment pin (16) of fixed angle adjusting rod (7), it is possible to be secured in place by angular adjustment bar (7).
5. a kind of gathering line corrosion inhibiter coating device according to claim 1, it is characterized in that: being made up of brush holder (13) and bristle (14) of described coating brush (3), brush holder (13) one end is evenly arranged along main shaft (1) outer wall circumference, the other end is provided with bristle (14), and the distance at bristle (14) end distance main shaft (1) center is about the 1.05-1.5 times of radius by film pipeline (18).
6. a kind of gathering line corrosion inhibiter coating device according to claim 1, it is characterised in that: described anti-ram (4) are for hemispherical, and material is for having certain wearability and elastic polyurethane or elastomeric material.
7. a kind of gathering line corrosion inhibiter coating device according to claim 1, it is characterised in that: the afterbody of described main shaft (1) is provided with location transmitters (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510683191.0A CN105381933B (en) | 2015-10-20 | 2015-10-20 | A kind of gathering line corrosion inhibiter coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510683191.0A CN105381933B (en) | 2015-10-20 | 2015-10-20 | A kind of gathering line corrosion inhibiter coating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105381933A CN105381933A (en) | 2016-03-09 |
| CN105381933B true CN105381933B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510683191.0A Expired - Fee Related CN105381933B (en) | 2015-10-20 | 2015-10-20 | A kind of gathering line corrosion inhibiter coating device |
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| CN (1) | CN105381933B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670001B (en) * | 2016-09-07 | 2019-04-05 | 中国神华能源股份有限公司 | Nozzle assembly |
| CN107335586B (en) * | 2017-08-25 | 2018-11-20 | 泰兴市智谷科技孵化器中心 | A kind of environmental protection powder coating device |
| CN108262220B (en) * | 2018-04-18 | 2020-06-09 | 唐天益 | Pipeline inner wall rubber coating device |
| CN109226126B (en) * | 2018-10-26 | 2023-11-24 | 黑龙江龙唐电力投资有限公司 | Pipeline is with clear stifled, rust cleaning, scale removal mechanical device |
| CN112620016A (en) * | 2019-09-24 | 2021-04-09 | 中国石油化工股份有限公司 | Film coating device and method for sour gas pipeline of sulfur-containing gas field |
| CN112024214B (en) * | 2020-08-24 | 2021-08-17 | 西南石油大学 | Corrosion inhibitor spraying and coating device for gathering and transportation pipeline and operation method thereof |
| CN112387569A (en) * | 2020-11-16 | 2021-02-23 | 柳州市中晶科技有限公司 | Pipeline inner wall spraying method and spraying robot |
| CN114260125A (en) * | 2021-11-25 | 2022-04-01 | 江苏杰瑞钢结构有限公司 | Petroleum pipeline painting device for full-automatic spraying of protective film coating |
| CN117139071B (en) * | 2023-10-31 | 2024-01-26 | 南通好的防腐装备有限公司 | Inner wall anti-corrosion raw material plastic coating device and method for petroleum pipeline processing |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH490900A (en) * | 1967-06-28 | 1970-05-31 | Arx Paul Von | Device with the help of which the inner wall of a pipe can be cleaned and / or given a protective coating |
| CH553597A (en) * | 1972-05-24 | 1974-09-13 | Arx Paul Von | METHOD OF APPLYING A COATING ON THE INNER WALL OF A PIPE. |
| EP1166010B1 (en) * | 1999-03-29 | 2007-05-23 | FTL Seals Technology Limited | Apparatus |
| CN102266838B (en) * | 2010-05-19 | 2016-04-20 | 中国石油化工集团公司 | A kind of gathering line corrosion inhibiter coating device |
| CN202877044U (en) * | 2012-09-05 | 2013-04-17 | 梁法春 | Corrosion inhibitor film coating device of gathering and transporting pipeline |
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2015
- 2015-10-20 CN CN201510683191.0A patent/CN105381933B/en not_active Expired - Fee Related
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