CN114570714B - Treatment method of oil delivery pipe - Google Patents
Treatment method of oil delivery pipe Download PDFInfo
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- CN114570714B CN114570714B CN202011402563.5A CN202011402563A CN114570714B CN 114570714 B CN114570714 B CN 114570714B CN 202011402563 A CN202011402563 A CN 202011402563A CN 114570714 B CN114570714 B CN 114570714B
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000000576 coating method Methods 0.000 claims abstract description 73
- 239000011248 coating agent Substances 0.000 claims abstract description 68
- 239000012535 impurity Substances 0.000 claims abstract description 52
- 238000004140 cleaning Methods 0.000 claims abstract description 39
- 239000011083 cement mortar Substances 0.000 claims abstract description 30
- 239000011347 resin Substances 0.000 claims abstract description 27
- 229920005989 resin Polymers 0.000 claims abstract description 27
- 238000001035 drying Methods 0.000 claims abstract description 21
- 239000006260 foam Substances 0.000 claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 239000012459 cleaning agent Substances 0.000 claims description 10
- 238000007443 liposuction Methods 0.000 claims description 5
- 230000001680 brushing effect Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 6
- 239000003208 petroleum Substances 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 2
- 238000004642 transportation engineering Methods 0.000 abstract description 2
- 238000005406 washing Methods 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 241
- 239000000126 substance Substances 0.000 description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 8
- 239000010779 crude oil Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
- B05D7/222—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes of pipes
- B05D7/225—Coating inside the pipe
-
- 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
- B08B9/055—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 the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
- B08B9/0552—Spherically shaped pigs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/06—Coatings characterised by the materials used by cement, concrete, or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/10—Coatings characterised by the materials used by rubber or plastics
- F16L58/1009—Coatings characterised by the materials used by rubber or plastics the coating being placed inside the pipe
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The embodiment of the application discloses a treatment method of an oil delivery pipe, belonging to the technical field of oil extraction and gathering and transportation engineering in petroleum industry. The method comprises the following steps: obtaining a single-section oil delivery pipe; cleaning the single-section oil delivery pipe, and removing impurities on the inner wall of the single-section oil delivery pipe to obtain the single-section oil delivery pipe after removing the impurities; drying the single-section oil delivery pipe after removing the impurities to obtain a dried single-section oil delivery pipe; and (3) coating the inner wall of the dried single-section oil delivery pipe, and coating cement mortar and nano resin on the inner wall of the single-section oil delivery pipe to obtain the coated single-section oil delivery pipe. In the technical scheme that this application embodiment provided, through two kinds of treatment methods to the washing and the coating of single section oil pipe inner wall for single section oil pipe can obtain better protection, has prolonged oil pipe's life, and intensity and the bearing capacity of reinforcing single section oil pipe line improve single section oil pipe's corrosion resistance.
Description
Technical Field
The embodiment of the disclosure relates to the technical field of oil extraction and gathering and transportation engineering in the petroleum industry, in particular to a treatment method of an oil delivery pipe.
Background
In the process of crude oil exploitation, the oil field needs to use a large number of steel pipelines to construct a ground gathering and transportation pipeline network. However, in the related art, after the oil field enters the middle and later stages of oil field development, the conveying medium in the gathering and conveying pipeline is crude oil with high water content, and ions in water cause the corrosion acceleration of the steel pipeline, so that the service life of the steel pipeline is shortened.
Disclosure of Invention
The embodiment of the application provides a treatment method of an oil delivery pipe, which ensures that a single-section oil delivery pipe can be better protected, and prolongs the service life of the oil delivery pipe. The technical proposal is as follows:
the embodiment of the application provides a processing method of an oil delivery pipe, which comprises the following steps:
obtaining a single-section oil delivery pipe;
cleaning the single-section oil delivery pipe, and removing impurities on the inner wall of the single-section oil delivery pipe to obtain the single-section oil delivery pipe after removing the impurities;
drying the single-section oil delivery pipe after removing the impurities to obtain a dried single-section oil delivery pipe;
and coating the inner wall of the dry single-section oil delivery pipe, and coating cement mortar and nano resin on the inner wall of the single-section oil delivery pipe to obtain the coated single-section oil delivery pipe.
In an exemplary embodiment, the cleaning treatment is performed on the single-section oil delivery pipe, and impurities on the inner wall of the single-section oil delivery pipe are removed, so as to obtain a single-section oil delivery pipe after removing the impurities, including:
performing physical cleaning on the inner wall of the single-section oil delivery pipe to obtain the single-section oil delivery pipe after physical cleaning;
and carrying out chemical cleaning on the inner wall of the physically cleaned single-section oil delivery pipe to obtain the single-section oil delivery pipe after removing the impurities.
In an exemplary embodiment, the physically cleaning the inner wall of the single-section oil delivery pipe to obtain a single-section oil delivery pipe after being physically cleaned includes:
steel brush balls with different inner diameters and foam balls with the same inner diameter are respectively put into the single-section oil delivery pipe; wherein the inner diameter of the steel brush ball is 15mm, 10mm, 5mm and 0mm respectively, and the inner diameter of the foam ball is 15mm;
and brushing impurities in the inner wall of the single-section oil delivery pipe by adopting the foam ball and the steel brush ball to obtain the physically cleaned single-section oil delivery pipe.
In an exemplary embodiment, the foam ball and the steel brush ball are adopted, and the number of times of each physical cleaning of the inner wall of the single-section oil delivery pipe is 5-10; the running speed of the foam ball and the steel brush ball in the inner wall of the single-section oil delivery pipe is 2m/s-3m/s.
In an exemplary embodiment, the chemical cleaning of the inner wall of the physically cleaned single-stage oil delivery pipe to obtain the single-stage oil delivery pipe after removing the impurities includes:
injecting a special cleaning agent into the physically cleaned single-section oil delivery pipe, and dissolving impurities in the inner wall of the physically cleaned single-section oil delivery pipe to obtain a chemically cleaned single-section oil delivery pipe;
and sucking impurities in the inner wall of the chemically cleaned single-section oil delivery pipe by adopting a professional liposuction ball.
In an exemplary embodiment, the drying the single-section oil delivery pipe after removing the impurities to obtain a dried single-section oil delivery pipe includes:
drying the inner wall of the single-section oil delivery pipe after removing the impurities by adopting a dry rigid foam ball to obtain the dry single-section oil delivery pipe;
the drying treatment times of the single-section oil delivery pipe after removing the impurities are 5-10, and the running speed of the dry rigid foam balls on the inner wall of the single-section oil delivery pipe after removing the impurities is 4-5 m/s.
In an exemplary embodiment, the coating treatment is performed on the inner wall of the dry single-section oil delivery pipe, cement mortar and nano resin are coated on the inner wall of the single-section oil delivery pipe, so as to obtain a coated single-section oil delivery pipe, which comprises the following steps:
carrying out first coating treatment on the inner wall of the dried single-section oil delivery pipe by adopting the cement mortar to obtain a single-section oil delivery pipe after first treatment;
under the condition that the first treated single-section oil delivery pipe is dried, carrying out second coating treatment on the inner wall of the first treated single-section oil delivery pipe by adopting the nano resin to obtain a second treated single-section oil delivery pipe; and the drying time of the single-section oil delivery pipe after the first treatment is 48 hours.
Determining the dried single-section oil delivery pipe after the second treatment as the coated single-section oil delivery pipe; and the drying time of the single-section oil delivery pipe after the second treatment is 24 hours.
In an exemplary embodiment, the first coating treatment is performed on the inner wall of the dry single-section oil delivery pipe by using the cement mortar, so as to obtain a single-section oil delivery pipe after the first treatment, which includes:
carrying out first coating treatment on the inner wall of the dry single-section oil delivery pipe by adopting the cement mortar through a coating ball to obtain a single-section oil delivery pipe after the first treatment;
wherein, in the first coating treatment process, the pressure value range is 0.3Mpa-0.5Mpa; the coating thickness of the cement mortar is 3mm.
In an exemplary embodiment, the pressure value ranges from 0.2Mpa to 0.3Mpa during the second coating process; the coating thickness of the nano resin is 1.5mm.
In an exemplary embodiment, the obtaining a single-section oil delivery pipe includes:
cutting the oil delivery pipe every 2km to obtain the single-section oil delivery pipe;
the method comprises the steps of coating the inner wall of the dry single-section oil delivery pipe, coating cement mortar and nano resin on the inner wall of the single-section oil delivery pipe to obtain a coated single-section oil delivery pipe, and further comprising:
the single-section oil delivery pipe is connected with other single-section oil delivery pipes by adopting flanges; wherein, the flange junction has anticorrosive coating.
The beneficial effects that technical scheme that this application embodiment provided can include:
the inner wall of the single-section oil delivery pipe can be better protected by two treatment modes of cleaning and coating, so that the service life of the oil delivery pipe is prolonged; in addition, the cement mortar is coated on the inner wall of the oil delivery pipe, so that the strength and the pressure bearing capacity of the single-section oil delivery pipe can be effectively enhanced, and the nano resin is coated on the inner wall of the oil delivery pipe, so that the corrosion resistance of the single-section oil delivery pipe can be effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method of treating an oil delivery pipe according to one embodiment of the present disclosure;
FIG. 2 schematically illustrates a flow of a physical cleaning method for oil delivery pipes;
FIG. 3 schematically illustrates a flow of a chemical cleaning process for oil delivery pipes;
fig. 4 shows a schematic illustration of a flow of a coating process for an oil line.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, a flowchart of a processing method of an oil delivery pipe according to an embodiment of the present application is shown, where the method may include the following steps:
and 101, obtaining a single-section oil delivery pipe.
An oil pipeline refers to a pipeline that conveys petroleum crude oil or petroleum products. Alternatively, in the course of oil transportation, oil pipelines are required to transport oil or oil products from the oil field to factories, transfer stations, ports.
The single-section oil delivery pipe refers to any section of oil delivery pipe in the oil delivery pipes. Optionally, the staff can cut the oil delivery pipe according to actual conditions to obtain a single-section oil delivery pipe.
In this application embodiment, after the oil pipe water replacement is accomplished, the staff can cut the oil pipe, and then acquires above-mentioned single section oil pipe. In one possible embodiment, the worker cuts the delivery pipe equally, i.e. each single section of delivery pipe is of the same length. In another possible embodiment, the operator switches the delivery pipes unevenly, i.e. the length of each single section of delivery pipe is not the same.
Alternatively, in the embodiment of the present application, the operator may cut the oil delivery pipe every 2km, so as to obtain the single-section oil delivery pipe. In this case, the length of the single-section oil delivery pipe is 2km. Of course, in practical application, the operator may also cut the oil delivery pipe according to other length values, which is not limited in this embodiment of the present application.
Alternatively, in the embodiments of the present application, each single-section oil delivery pipe may be connected into a complete oil delivery pipe by a flange. The flange is a part for connecting the shafts and is used for connecting the pipe ends; there are also flanges for use on the equipment access ports for connection between two equipment, such as speed reducer flanges. The flange connection or the flange joint refers to detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures.
It should be noted that, in the embodiment of the present application, in order to ensure that the subsequent processing of the section of the oil delivery pipe can be performed smoothly, the transmitting device and the receiving device may be respectively disposed at two ends of the single-end oil delivery pipe. The transmitting device is connected with the single-section oil delivery pipe through a flange, and the receiving device is connected with the single-section oil delivery pipe through a flange.
And 102, cleaning the single-section oil delivery pipe, and removing impurities on the inner wall of the single-section oil delivery pipe to obtain the single-section oil delivery pipe after removing the impurities.
In the transportation process of petroleum, impurities can be accumulated in the inner wall of the petroleum pipeline continuously. Wherein the impurities may include oil, scale, rust, and the like.
In this application embodiment, after obtaining above-mentioned single-section oil pipe, carry out cleaning treatment to this single-section oil pipe, clear away the impurity of single-section oil pipe inner wall, operation such as deoiling, descaling and rust cleaning are carried out to single-section oil pipe inner wall promptly, and then obtain the single-section oil pipe after the impurity is cleared away.
The cleaning mode for the single-section oil delivery pipe comprises two modes of physical cleaning and chemical cleaning. Optionally, the step 102 includes the following steps:
1. the inner wall of the single-section oil delivery pipe is physically cleaned, and the single-section oil delivery pipe after the physical cleaning is obtained;
2. and (3) chemically cleaning the inner wall of the physically cleaned single-section oil delivery pipe to obtain the single-section oil delivery pipe with the impurities removed.
The physical cleaning means to brush out the impurity on the inner wall of the single-section oil delivery pipe by adopting a physical mode. Optionally, a steel brush ball brush is used for removing impurities on the inner wall of the single-section oil delivery pipe.
The chemical cleaning refers to a cleaning mode of dissolving impurities on the inner wall of a single-section oil delivery pipe in a chemical mode. Optionally, a chemical reagent is used to dissolve impurities on the inner wall of the single-stage oil delivery pipe.
In this application embodiment, after obtaining above-mentioned single-section oil delivery pipe, in order to guarantee to wash clean, carry out the physics to single-section oil delivery pipe inner wall earlier, brush out oil, scale and rust etc. in the single-section oil delivery pipe inner wall, obtain the single-section oil delivery pipe after the physics washs, carry out the chemistry to the single-section oil delivery pipe inner wall after the physics washs again, dissolve oil, scale and rust etc. in the single-section oil delivery pipe inner wall, obtain the single-section oil delivery pipe after the impurity is got rid of.
Of course, in practical application, the staff may flexibly configure the cleaning mode according to the actual situation, for example, only physical cleaning or only chemical cleaning is performed according to the limitation of the current condition, which is not limited in the embodiment of the present application.
And 103, drying the single-section oil delivery pipe after removing the impurities to obtain a dried single-section oil delivery pipe.
In this application embodiment, obtain the above-mentioned single-section oil delivery pipe after cleaing away impurity, in order to guarantee that follow-up coating to the inner wall of single-section oil delivery pipe can go on smoothly, need carry out drying treatment to the single-section oil delivery pipe after cleaing away impurity, and then obtain dry single-section oil delivery pipe.
Optionally, in this embodiment of the present application, a dry hard foam ball is used to dry the inner wall of the single-section oil delivery pipe after the impurity removal, so as to obtain a dry single-section oil delivery pipe. The number of times of drying treatment for the single-section oil delivery pipe after impurity removal can be 5-10 times, and the running speed of the dry rigid foam ball on the inner wall of the single-section oil delivery pipe after impurity removal can be 4-5 m/s.
And 104, coating the inner wall of the dried single-section oil delivery pipe, and coating cement mortar and nano resin on the inner wall of the single-section oil delivery pipe to obtain the coated single-section oil delivery pipe.
The coating treatment refers to the process of coating various materials on the inner wall of a section of oil delivery pipe. In the embodiment of the application, after the single-section oil delivery pipe after removing the impurities is dried, coating the inner wall of the dried single-section oil delivery pipe, and coating cement mortar and nano resin on the inner wall of the single-section oil delivery pipe to obtain the coated single-section oil delivery pipe.
The cement mortar is used for enhancing the strength and the bearing capacity of the single-section oil pipeline, and the nano resin is used for improving the corrosion resistance of the single-section oil pipeline.
In summary, in the technical scheme provided by the embodiment of the application, the oil delivery pipe can be better protected by cleaning and coating the inner wall of the oil delivery pipe, so that the service life of the oil delivery pipe is prolonged; in addition, the cement mortar is coated on the inner wall of the oil delivery pipe, so that the strength and the pressure bearing capacity of the single-section oil delivery pipe can be effectively enhanced, and the nano resin is coated on the inner wall of the oil delivery pipe, so that the corrosion resistance of the single-section oil delivery pipe can be effectively improved.
Referring to fig. 2, a flowchart of a physical cleaning method for an oil delivery pipe according to an embodiment of the present application is shown, where the method may include the following steps:
and 201, respectively placing steel brush balls with different inner diameters and foam balls with the same inner diameter into a single-section oil delivery pipe.
In this application embodiment, when carrying out the physics to single-section oil delivery pipe and wasing, in order to guarantee the corresponding cleaning performance of physics washing, can put into the steel brush ball of different internal diameters and the foam ball that the internal diameter is the same respectively in this single-section oil delivery pipe. That is, when the single-section oil delivery pipe is physically cleaned, the inner wall of the single-section oil delivery pipe is physically cleaned for a plurality of times by adopting steel brush balls with different inner diameters to match foam balls with the same inner diameter. Wherein, the internal diameter of the steel brush ball is 15mm, 10mm, 5mm, 0mm respectively, and the internal diameter of the foam ball is 15mm.
The foam ball and the steel brush ball are adopted, the number of times of each physical cleaning of the inner wall of the single-section oil delivery pipe is 5-10, and the running speed of the foam ball and the steel brush ball in the inner wall of the single-section oil delivery pipe is 2-3 m/s.
Optionally, in the embodiment of the present application, a worker may control the running speed of the foam ball and the steel brush ball in the inner wall of the single-section oil delivery pipe according to the air pressure fan. Among them, a blower is generally used for power supply of an electric device, and compresses air into a gas having a certain pressure, and the gas is connected to a pneumatic device to operate. Such as pneumatic equipment for downhole air picks, air pumps, etc. The air compressor is also called an air compressor.
Of course, in actual application, the staff can also flexibly configure the radius of the steel brush ball, the radius of the foam ball, the collocation and the cleaning times between the steel brush ball and the foam ball, and the running speeds of the steel brush ball and the foam ball according to actual conditions, which is not limited in the embodiment of the application.
And 202, brushing impurities in the inner wall of the single-section oil delivery pipe by adopting a foam ball and a steel brush ball to obtain the physically cleaned single-section oil delivery pipe.
In the embodiment of the application, after the steel brush ball and the foam ball are placed in the single-end oil delivery pipe, the foam ball and the steel brush ball are adopted to brush out impurities in the inner wall of the single-section oil delivery pipe, and oil, scale, rust and the like of the inner wall of the single-section oil delivery pipe are removed, so that the single-section oil delivery pipe after physical cleaning is obtained.
Referring to fig. 3, a flowchart of a chemical cleaning method for an oil delivery pipe according to an embodiment of the present application is shown, where the method may include the following steps:
and 301, injecting a special cleaning agent into the physically cleaned single-stage oil delivery pipe, and dissolving impurities in the inner wall of the physically cleaned single-stage oil delivery pipe to obtain the chemically cleaned single-stage oil delivery pipe.
The special cleaning agent refers to any cleaning agent capable of dissolving various impurities in the single-section oil delivery pipe, namely the special cleaning agent can simultaneously dissolve oil, scale, rust and the like in the single-section oil delivery pipe. Optionally, the special cleaning agent used for chemical cleaning of the single-section oil delivery pipe in different environments may be different, and in practical application, a worker may flexibly configure the special cleaning agent according to practical situations, for example, modify the proportion of each component in the special cleaning agent, which is not limited in this embodiment of the present application.
In this application embodiment, carry out the physics to above-mentioned single-section oil delivery pipe and wash, obtain the single-section oil delivery pipe after the physics washs, inject special cleaner in the single-section oil delivery pipe after the physics washs, and then dissolve the impurity in the single-section oil delivery pipe inner wall after the physics washs through this special cleaner, dissolve oil, scale and rust etc. in the single-section oil delivery pipe inner wall promptly, and further, after the chemistry washs and accomplishes, obtain the single-section oil delivery pipe after the chemistry washs.
And 302, sucking impurities in the inner wall of the chemically cleaned single-section oil delivery pipe by using a professional liposuction ball.
The professional liposuction ball is a task object which can absorb impurities in the inner wall of the single-section oil delivery pipe, namely, the professional liposuction ball can absorb impurities remained in the inner wall of the single-section oil delivery pipe after chemical cleaning. In this case, the residual impurities may include both the impurities (such as oil, scale, rust, etc.) originally present in the inner wall of the single-stage oil delivery pipe and the residues of the above-mentioned special cleaning agent.
Referring to fig. 4, a flowchart of a coating treatment method for an oil delivery pipe according to an embodiment of the present application is shown, where the method may include the following steps:
and 401, performing first coating treatment on the inner wall of the dried single-section oil delivery pipe by adopting cement mortar to obtain the single-section oil delivery pipe after the first treatment.
Cement mortar is used for enhancing the strength and pressure bearing capacity of single-section oil delivery pipelines. In the embodiment of the application, when the dry single-section oil delivery pipe is subjected to coating treatment, cement mortar is adopted to perform first coating treatment on the inner wall of the dry single-section oil delivery pipe, so that the single-section oil delivery pipe after the first treatment is obtained.
It should be noted that, after the coating treatment for the single-stage oil delivery pipe must be performed after the above-mentioned physical cleaning and the above-mentioned chemical cleaning, and after the coating treatment, the single-stage oil delivery pipe must be kept dry.
Optionally, in this embodiment of the present application, when the first coating treatment is performed on the inner wall of the dry single-section oil delivery pipe, the first coating treatment may be performed on the inner wall of the dry single-section oil delivery pipe by using cement mortar through a coating ball, and the cement mortar is uniformly coated on the inner wall of the dry single-section oil delivery pipe by using the coating ball, so as to obtain the single-section oil delivery pipe after the first treatment.
Wherein, in the first coating treatment process, the pressure value range is 0.3Mpa-0.5Mpa, and the coating thickness of the cement mortar is 3mm. Of course, in practical application, the staff may flexibly adjust and control the pressure numerical range and the coating thickness of the cement mortar according to practical situations, which is not limited in the embodiment of the present application.
Alternatively, in the embodiment of the present application, before the first coating treatment, a cement mortar coating apparatus may be installed, and then the first coating treatment may be performed on the dry inner wall of the single-stage oil delivery pipe by using a blower as a power source through the cement mortar coating apparatus.
The nano resin is used for improving the corrosion resistance of the single-section oil delivery pipe. Optionally, after the first treated single-section oil delivery pipe is obtained, drying treatment is required to be performed on the first treated single-section oil delivery pipe, and after the drying of the first treated single-section oil delivery pipe is completed, the second coating treatment can be performed on the inner wall of the first treated single-section oil delivery pipe by adopting rice resin. The drying time of the single-section oil delivery pipe after the first treatment is 48 hours.
In the embodiment of the application, under the condition that the drying of the single-section oil delivery pipe after the first treatment is determined, the second coating treatment is performed on the inner wall of the single-section oil delivery pipe after the first treatment by adopting the nano resin, and the nano resin is uniformly coated on the inner wall of the single-section oil delivery pipe after the first treatment, so that the single-section oil delivery pipe after the second treatment is obtained.
Wherein, in the second coating treatment process, the pressure value range is 0.2Mpa-0.3Mpa; the coating thickness of the nano resin is 1.5mm. Of course, in practical application, the staff may flexibly adjust and control the pressure numerical range and the coating thickness of the nano resin according to practical situations, which is not limited in the embodiment of the present application.
Optionally, the nano resin is a polymer nano resin. In this embodiment of the present application, before the second coating process is performed, the installed cement mortar coating device may be removed first, and the polymer nano resin coating device may be installed, so that the second coating process may be performed on the inner wall of the single-stage oil pipeline after the first process by using the air compressor as a power source through the polymer nano resin coating device.
And step 403, determining the dried single-section oil delivery pipe subjected to the second treatment as a coated single-section oil delivery pipe.
In this embodiment of the present application, when the single-segment oil delivery pipe after the second treatment is obtained, the drying treatment is required to be performed on the single-segment oil delivery pipe after the second treatment, and then the single-segment oil delivery pipe after the second treatment after the drying is determined as the coated single-segment oil delivery pipe. The drying time of the single-section oil delivery pipe after the second treatment can be 24 hours.
It should be noted that, the application manner for a single-section oil delivery pipe provided in the embodiment of the present application may be applied to maintenance of an old oil delivery pipe or protection of a new oil delivery pipe, which is not limited in the embodiment of the present application.
Of course, in the embodiment of the present application, after the coated single-section oil delivery pipe is obtained, the single-section oil delivery pipe may be connected with other single-section oil delivery pipes by using flanges, so as to obtain a complete oil delivery pipe. The flange joint is provided with an anti-corrosion coating, and the other single-section oil delivery pipes are other single-section oil delivery pipes after the cleaning treatment and the coating treatment are completed.
It should be noted that, in the present application, the method for treating the oil delivery pipe is described in terms of a worker, and in future development, the method for treating the oil delivery pipe in the present application may be performed by an artificial intelligent robot or a certain machine, which is not limited in the embodiment of the present application.
The foregoing description of the exemplary embodiments of the present application is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, alternatives, and alternatives falling within the spirit and scope of the invention.
Claims (7)
1. A method of treating an oil delivery pipe, the method comprising:
acquiring a single-section oil delivery pipe, wherein a transmitting device and a receiving device are respectively arranged at two ends of the single-section oil delivery pipe, the transmitting device is connected with the single-section oil delivery pipe through a flange, and the receiving device is also connected with the single-section oil delivery pipe through a flange;
steel brush balls with different inner diameters and foam balls with the same inner diameter are respectively put into the single-section oil delivery pipe;
brushing impurities in the inner wall of the single-section oil delivery pipe by adopting the foam ball and the steel brush ball to obtain the physically cleaned single-section oil delivery pipe;
injecting a special cleaning agent into the physically cleaned single-section oil delivery pipe, and dissolving impurities in the inner wall of the physically cleaned single-section oil delivery pipe to obtain a chemically cleaned single-section oil delivery pipe;
adopting a professional liposuction ball to absorb impurities in the inner wall of the chemically cleaned single-section oil delivery pipe;
drying the inner wall of the single-section oil delivery pipe after removing the impurities by adopting a dry rigid foam ball to obtain a dry single-section oil delivery pipe, wherein the number of times of drying treatment of the single-section oil delivery pipe after removing the impurities is 5-10, and the running speed of the dry rigid foam ball on the inner wall of the single-section oil delivery pipe after removing the impurities is 4-5 m/s;
and coating the inner wall of the dry single-section oil delivery pipe, and coating cement mortar and nano resin on the inner wall of the single-section oil delivery pipe to obtain the coated single-section oil delivery pipe.
2. The method of claim 1, wherein the steel brush balls have an inner diameter of 15mm, 10mm, 5mm, 0mm, respectively, and the foam balls have an inner diameter of 15mm.
3. The method of claim 2, wherein the step of determining the position of the substrate comprises,
the foam balls and the steel brush balls are adopted, and the number of times of each physical cleaning of the inner wall of the single-section oil delivery pipe is 5-10;
the running speed of the foam ball and the steel brush ball in the inner wall of the single-section oil delivery pipe is 2m/s-3m/s.
4. The method according to claim 1, wherein the coating treatment is performed on the inner wall of the dry single-section oil delivery pipe, cement mortar and nano resin are coated on the inner wall of the single-section oil delivery pipe, and the coated single-section oil delivery pipe is obtained, and the method comprises the following steps:
carrying out first coating treatment on the inner wall of the dried single-section oil delivery pipe by adopting the cement mortar to obtain a single-section oil delivery pipe after first treatment;
under the condition that the first treated single-section oil delivery pipe is dried, carrying out second coating treatment on the inner wall of the first treated single-section oil delivery pipe by adopting the nano resin to obtain a second treated single-section oil delivery pipe; the drying time of the single-section oil delivery pipe after the first treatment is 48 hours;
determining the dried single-section oil delivery pipe after the second treatment as the coated single-section oil delivery pipe; and the drying time of the single-section oil delivery pipe after the second treatment is 24 hours.
5. The method of claim 4, wherein the first coating treatment is performed on the inner wall of the dry single-stage oil delivery pipe by using the cement mortar to obtain a single-stage oil delivery pipe after the first treatment, and the method comprises the following steps:
carrying out first coating treatment on the inner wall of the dry single-section oil delivery pipe by adopting the cement mortar through a coating ball to obtain a single-section oil delivery pipe after the first treatment;
wherein, in the first coating treatment process, the pressure value range is 0.3Mpa-0.5Mpa; the coating thickness of the cement mortar is 3mm.
6. The method according to claim 4, wherein the pressure value during the second coating process is in the range of 0.2Mpa to 0.3Mpa; the coating thickness of the nano resin is 1.5mm.
7. The method according to any one of claim 1 to 6, wherein,
the obtaining of the single-section oil delivery pipe comprises the following steps:
cutting the oil delivery pipe every 2km to obtain the single-section oil delivery pipe;
the method comprises the steps of coating the inner wall of the dry single-section oil delivery pipe, coating cement mortar and nano resin on the inner wall of the single-section oil delivery pipe to obtain a coated single-section oil delivery pipe, and further comprising:
the single-section oil delivery pipe is connected with other single-section oil delivery pipes by adopting flanges; wherein, the flange junction has anticorrosive coating.
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