CN108895247A - Long-distance pipe Crater antiseptic application station and weld bond shrink belt operational method - Google Patents
Long-distance pipe Crater antiseptic application station and weld bond shrink belt operational method Download PDFInfo
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- CN108895247A CN108895247A CN201810608835.3A CN201810608835A CN108895247A CN 108895247 A CN108895247 A CN 108895247A CN 201810608835 A CN201810608835 A CN 201810608835A CN 108895247 A CN108895247 A CN 108895247A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000002421 anti-septic effect Effects 0.000 title abstract 2
- 238000010438 heat treatment Methods 0.000 claims abstract description 96
- 238000005488 sandblasting Methods 0.000 claims abstract description 59
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 239000002828 fuel tank Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000005260 corrosion Methods 0.000 claims abstract description 10
- 239000003209 petroleum derivative Substances 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 25
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 18
- 238000010248 power generation Methods 0.000 claims description 17
- 238000005422 blasting Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000003345 natural gas Substances 0.000 claims description 9
- 238000005536 corrosion prevention Methods 0.000 claims description 8
- 239000011324 bead Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 7
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 238000013480 data collection Methods 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000007791 dehumidification Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 24
- 238000003466 welding Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 14
- 239000010720 hydraulic oil Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000002987 primer (paints) Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
- B24C3/06—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The present invention provides a kind of petroleum gas long-distance transmission pipeline Crater antiseptic application stations and pipe welding port shrink belt operational method.The work station includes walking mechanism, and electricity generation system, driver's cabin, sand-blasting machine and heating device in walking mechanism are set, sand-blasting machine includes air compressor machine, air accumulator and sandblasting main body, electricity generation system includes generating set and fuel tank, wherein, cluster engine and driver's cabin are disposed side by side on walking mechanism leading portion, sandblasting main body is arranged in walking mechanism back segment, the heating device of air compressor machine and vertical characteristics, fuel tank are disposed side by side between cluster engine and sand-blasting machine, and fuel tank is set to above heating device, air accumulator is arranged above fuel tank and air compressor machine.The method includes carrying out pipeline heating and/or derusting operation using above-mentioned work station.Beneficial effects of the present invention include：Can a station complete dehumidifying, derusting, warm-up operation, can be improved pipeline corrosion protection field joint construction quality and efficiency, reduce construction cost.
Description
Technical Field
The invention relates to the field of petroleum and natural gas, in particular to a long-distance petroleum and natural gas conveying pipeline welded junction anticorrosion operation workstation and a pipeline welded junction heat-shrinkable tape operation method.
Background
At present, the joint coating technology in oil and gas pipeline construction in China mainly takes three layers of polyethylene heat shrinkable tapes for corrosion prevention, and relates to the technologies of pipeline surface treatment, preheating, primer coating, heat shrinkable tape installation and heat shrinkable tape tempering. Under the process flow, better production can be realized only by matching one sand blasting derusting station, two intermediate frequency heating stations and one infrared heating station. However, in the production process, movement among devices, single operation mode of the devices and the like have great influence on the cost, the progress and the quality.
In the existing operation process of the heat shrinkable belt, an intermediate frequency heating station is adopted to heat and dehumidify a qualified welding opening at the forefront, then a mobile sand blasting station is used for derusting the welding opening, then an intermediate frequency heating station is used for preheating the welding opening and heating a primer after coating, and finally an infrared heating station is used for shrinking and tempering the heat shrinkable belt. Under the process flow, because the time for dehumidifying, preheating and derusting the craters is short, the utilization rate of the intermediate frequency heating station at the first position is relatively low in the construction process, and the construction cost is not saved. The existing work stations (except the infrared heating station) are manually controlled, which is not beneficial to the control of temperature and time and the acquisition of data, thus causing the waste of construction resources and being incapable of effectively ensuring the anticorrosive construction quality.
Disclosure of Invention
In view of the deficiencies in the prior art, it is an object of the present invention to address one or more of the problems in the prior art as set forth above. For example, one of the purposes of the invention is to provide an oil and gas long-distance transmission pipeline crater corrosion prevention operation workstation and a pipeline crater heat-shrinkable tape operation method.
In order to achieve the purpose, the invention provides an anti-corrosion operation workstation for a welded junction of a long-distance petroleum and natural gas conveying pipeline. The workstation can include running gear to and power generation system, driver's cabin, sand blasting machine and the heating device of setting on running gear, the sand blasting machine includes air compressor machine, gas holder and sandblast main part, power generation system includes generating set and fuel tank, and wherein, engine block and driver's cabin set up the anterior segment at running gear side by side, and the sandblast main part sets up the back end at running gear, and heating device, the fuel tank of air compressor machine and vertical distribution set up between engine block and sandblast main part side by side, and the fuel tank sets up in heating device's top, and the gas holder sets up the top at fuel tank and air compressor machine.
According to an exemplary embodiment of the oil and gas long distance transmission pipeline crater anticorrosion operation workstation, the travelling mechanism can be driven in a full hydraulic mode and comprises a crawler chassis and a low-speed high-torque motor.
According to an exemplary embodiment of the anti-corrosion operation workstation for the oil and gas long-distance conveying pipeline welded junction, the air compressor and the cab are located on the same side of the workstation, the heating device and the fuel tank which are vertically distributed are located on the other side of the workstation, the height of the fuel tank is lower than that of the air compressor, the workstation further comprises a crane, the crane comprises a crane body and a hydraulic oil tank, the crane body is arranged between the air compressor and the cab, and the hydraulic oil tank is arranged between the fuel tank and the air storage tank.
According to an exemplary embodiment of the oil and gas long distance transmission pipeline crater corrosion prevention work station, the sand blasting machine comprises a centrifugal wheel or an impeller, and compressed air, water or steam is used for forming a high-speed blasting beam.
According to an exemplary embodiment of the oil and gas long distance transmission pipeline crater anticorrosion operation workstation, the blasting material of the sand blasting machine can be one or more of carborundum, steel grit, steel shots and glass beads, wherein the grain diameter of the carborundum can be 0.08-1.5 mm, the grain diameter of the steel shots can be 0.2-1.2 mm, and the grain diameter of the glass beads can be 0.1-1.4 mm.
According to an exemplary embodiment of the oil and gas long distance transportation pipeline crater corrosion prevention operation workstation of the present invention, the workstation may further comprise: the first timing device is arranged on the sand blasting machine and can record the starting and stopping time of the sand blasting machine; the temperature sensing device, the second timing device and the automatic starting and stopping device are arranged on the heating device, wherein the temperature sensing device can monitor the temperature of a heating object of the heating device, the automatic starting and stopping device can control the heating device to start and stop, and the second timing device can record the starting and stopping time of the heating device.
According to an exemplary embodiment of the oil and gas long distance transmission pipeline crater anticorrosion operation workstation, the control panels of the first timing device, the temperature sensing device, the second timing device and the automatic starting device can be the same panel.
According to an exemplary embodiment of the oil and gas long-distance transmission pipeline crater anticorrosion operation workstation, the workstation further comprises an environment information collector, a heating device parameter collector and a sand blasting machine information collector, wherein the information which can be collected by the environment information collector comprises: at least one of ambient temperature, humidity, and wind speed; the information that heating device parameter collector can gather includes: the positions of the welded junctions at 3 o 'clock, 6 o' clock, 9 o 'clock and 12 o' clock, and the working parameters of the heating device, such as heating temperature, heating time, information of power supply of the power generation system to the heating device, and the like; the information that sandblast machine information collector can gather includes: and working parameters of the sand blasting machine. Wherein, the working parameter of sand blasting machine includes the sandblast main part working parameter that is used for the sandblast, the working parameter of air compressor machine, and power generation system to the information of sand blasting machine power supply etc..
According to an exemplary embodiment of the oil and gas long distance transmission pipeline crater anticorrosion operation workstation, the pipeline is provided with a two-dimensional code representing the crater information, the workstation further comprises a scanning gun, and the scanning gun can acquire the crater information by scanning the two-dimensional code.
According to one exemplary embodiment of the oil and gas long-distance transmission pipeline crater anticorrosion operation workstation, the workstation further comprises a data transmission system, and the data transmission system comprises a data acquisition module, a transmission module and a data collection gateway. The data acquisition module can receive and transmit information acquired by the environment information acquisition device, the heating device parameter acquisition device, the sand blasting machine information acquisition device and the code scanning gun; the transmission module can receive the information acquired by the data acquisition module and transmit the acquired information in a wired and/or wireless manner; the various interfaces of the data collection gateway support multi-channel wireless access and/or wired access, and can receive, store and transmit the information transmitted by the transmission module.
According to an exemplary embodiment of the station for the anti-corrosion operation of the craters of the long-distance petroleum and natural gas transmission pipelines, the long-distance transmission pipelines may comprise pipelines with the length of thousands of meters to tens of kilometers.
The invention also provides a pipeline welded junction heat shrinkable belt operation method, which comprises the following steps of performing pipeline heating and/or derusting operation by using the workstation, wherein the heating operation comprises the following steps: at least one link of heating dehumidification before sand blasting rust removal, preheating treatment after sand blasting rust removal and primer heating after finishing coating.
Compared with the prior art, the invention has the beneficial effects that: the device can complete dehumidification, rust removal and preheating operation in one station, automatically control temperature and time, automatically collect the anticorrosion construction data of the welded junction, improve the construction quality and efficiency of the anticorrosion repaired mouth of the pipeline, reduce the waste of resources in the construction process and reduce the construction cost.
Drawings
The above and other objects and features of the present invention will become more apparent from the following description taken in conjunction with the accompanying drawings, in which:
FIG. 1 shows a schematic diagram of a station for corrosion protection operation of a weld of a long-distance petroleum and natural gas transmission pipeline according to an exemplary embodiment of the present invention;
FIG. 2 illustrates a schematic view of a generator set and a position of a cab according to an exemplary embodiment of the invention;
fig. 3 shows a schematic position diagram of an air storage tank, a hydraulic oil tank, a fuel tank intermediate frequency heating device and an air compressor according to an exemplary embodiment of the present invention.
Description of reference numerals:
10-a traveling mechanism; 20-a power generation system, 21-a generator set and 22-a fuel tank; 30-a cab; 40-a sand blasting machine, 41-an air compressor, 42-an air storage tank and 43-a sand blasting main body; 50-a heating device; 60-crane, 61-crane body, 62-hydraulic oil tank; 70-tool box.
Detailed Description
Hereinafter, the oil and gas long distance transportation pipeline crater corrosion prevention operation workstation and the pipeline crater heat-shrinkable tape operation method of the invention will be described in detail with reference to the accompanying drawings and exemplary embodiments.
The invention realizes that dehumidification, derusting and preheating operations are completed in one station, the temperature and the time are automatically controlled, and the anticorrosion construction data of the welded junction is automatically collected by centralizing the sand blasting machine and the intermediate frequency heater on one trolley and setting the numerical control device to collect data in the operation process, thereby improving the construction quality and efficiency and reducing the construction cost.
The invention provides an anti-corrosion operation workstation for a welded junction of a long-distance petroleum and natural gas conveying pipeline.
Fig. 1 shows a schematic diagram of a welding seam corrosion prevention operation workstation of an oil and gas long-distance transmission pipeline according to an exemplary embodiment of the invention. Fig. 2 shows a schematic view of a position of a generator set and a cab according to an exemplary embodiment of the invention. Fig. 3 shows a schematic position diagram of an air storage tank, a hydraulic oil tank, a fuel tank intermediate frequency heating device and an air compressor according to an exemplary embodiment of the present invention.
In an exemplary embodiment of the present invention, as shown in fig. 1, the workstation may include a traveling mechanism 10, and a power generation system 20, a cab 30, a blasting machine 40, and a heating device 50, which are disposed above the traveling mechanism, the blasting machine 40 including an air compressor 41, an air tank 42, and a blasting body 43, the power generation system 20 including a generator set 21 and a fuel tank 22, wherein,
as shown in fig. 2, the generator set 21 and the cab 30 may be disposed side by side at a front section of the traveling mechanism 10, and the blasting main body 43 is disposed at a rear section of the traveling mechanism 10, as shown in fig. 3, the air compressor 41, the vertically distributed heating device 50, and the fuel tank 22 are disposed side by side between the engine set 21 and the blasting main body 43, and the fuel tank 22 is disposed above the heating device 50, and the air tank 42 is disposed above the fuel tank 22 and the air compressor 41.
In this embodiment, the traveling mechanism 10 may include a diesel engine, i.e., the diesel engine serves as a power source of the traveling mechanism, and the diesel engine is also capable of supplying power to the cab 30; the running mechanism adopts a full-rigid chassis, and according to the operation characteristics of the running mechanism working in various complicated topographic environments, the running mechanism 10 can adopt a full-hydraulic driving running system and use a low-speed large-torque wheel motor, and the low-speed wheel motor can be directly arranged in a wheel network, so that the running system has high efficiency, light weight, small occupied volume and strong off-road capability, and is suitable for field large-scale engineering construction operation in desert, scarification, plateau and other severe environment areas besides the road running in general areas. The running mechanism is suitable for the operation of various environments where the petroleum and natural gas output pipelines are located, and can comprehensively meet various working conditions and operation requirements in pipeline construction. The driving mechanism adopts full hydraulic driving walking technology, so that the technical performance and reliability of the whole vehicle are improved.
All equipment and shells arranged on the chassis of the travelling mechanism can adopt a large-opening design, so that the daily maintenance is convenient. The walking mechanism of the invention can also be provided with one or two welding machines for welding.
In the present embodiment, the vehicle-mounted power generation system (also referred to as power generation system) of the present invention may have an external power supply capacity of 50 KW. The power generation system can adopt a direct connection transmission mode and has the advantages of mature and simple structure, few fault points, small volume, high efficiency, stable transmission, low noise, low energy consumption and the like. The power generation system can supply power to various equipment of the workstation, such as the sand blasting machine, the heating device and the crane.
In this embodiment, the present invention implements blasting jet cleaning by a blasting machine, which includes a centrifugal wheel or an impeller, and the blasting machine uses compressed air, water or steam to form a high-speed jet beam to clean, carve, gouge, abrade, erode, etc. the surface of an object, so as to change the appearance or shape of the original surface. The blasting material (also called as abrasive) of the sand blasting machine is one or more of carborundum, steel grit, steel shot and glass beads, and the specification of the abrasive is as follows: carborundum 16-80 meshes (1.5-0.08 mm); steel grit G50-G25(1.2-0.2 mm); steel shots S110-S330(1.2-0.2 mm); the glass beads are 20-60 meshes (1.4-0.1 mm). In other words, the grain size of the carborundum is 0.08-1.5 mm, such as 1.1 +/-0.1 mm; the grain size of the steel grit is 0.2-1.2 mm, such as 0.6 +/-0.1 mm; the grain size of the steel shot is 0.2-1.2 mm, such as 0.7 +/-0.1 mm; the glass beads have a particle size of 0.1 to 1.4mm, for example, 0.5. + -. 0.1 mm.
The material spraying and cleaning through the sand blasting machine has the characteristics of thoroughness and rapidness; the sand blasting machine can randomly select different roughness; and, the sand blasting machine of the invention is with low costs, when using it to carry on the surface treatment, can realize two kinds of effects in the same time, namely the arbitrary choice between different roughness and the jet velocity is fast.
In this embodiment, the heating device may include a medium frequency heating device (also referred to as a medium frequency heater), such as a pipe heating medium frequency heater, the pipe heating medium frequency heater having: high speed, uniform heating, high precision, safety and the like.
In the intermediate frequency heating device, when the magnetic flux surrounded by the conductor loop changes, an induced potential is generated in the loop, similarly, the conductor in the alternating magnetic field also generates an induced potential under the action of electromagnetic induction, an induced current (eddy current) is formed in the conductor, the induced current overcomes the resistance of the conductor to generate joule heat, and the conductor is heated by the joule heat to heat and melt the conductor, so that various purposes of heat processing are achieved.
The intermediate frequency heating device is arranged in the middle of the workstation, namely between the sand blasting main body and the generator set, and the position is the most reasonable spare position after the sand blasting machine is installed, so that the space of the workstation is fully and reasonably utilized. The intermediate frequency heating device is positioned at the same side of the sand blasting machine, the operation is convenient, and the distance between the intermediate frequency heating device and the power generation device (namely a power generation system) is shortest. The work station may also be equipped with a work box 70 to facilitate storage of the small work tools, and the work box 70 may be located in a vacant position on the work station, for example, between the intermediate frequency heating apparatus and the blasting main body.
In this embodiment, the air compressor 41 and the cab 30 may be located on the same side of the workstation, the vertically distributed heating device 50 and the fuel tank 22 may be located on the other side of the workstation, and the height of the fuel tank 22 is lower than that of the air compressor 41;
the workstation further comprises a crane 60 comprising a crane body 61 and a hydraulic oil tank 62, wherein the crane body 61 is arranged between the air compressor 41 and the cab 30, and the hydraulic oil tank 62 is arranged between the fuel tank 22 and the air reservoir 42.
The invention can realize the optimized combination of all the devices and can better ensure the cost, progress and quality of the anticorrosion repaired mouth construction.
In this embodiment, still can be provided with the two-dimensional code on the pipeline to represent the crater information, the workstation still can include sweeps a yard rifle, sweep a yard rifle and can acquire the information that the crater two-dimensional code contains through sweeping the sign indicating number to weld crater information is preserved in the control front end, for example sweeps a yard rifle or transmission module etc. and the gateway initiative access control front end and acquire crater information and preserve for a long time and wait that the platform reads.
In the embodiment, the anti-corrosion operation workstation for the welded junction of the petroleum and natural gas long-distance transmission pipeline is particularly suitable for anti-corrosion construction operation of the welded junction of the long-distance transmission pipeline. The long-distance transportation pipeline may be a pipeline with a length of several hundred meters to several kilometers, even several tens of kilometers, for example, 500 to 6000 meters, 500 to 20000 meters, or 3000 to 30000 meters.
The invention not only can realize the optimized combination of each device, but also can intelligently upgrade each device, and can better ensure the cost, progress and quality of the anticorrosion repaired mouth construction.
In another exemplary embodiment of the present invention, on the basis of the workstation described in the first exemplary embodiment, the workstation may further include a first timing device provided on the blasting machine, the first timing device being capable of recording a start-stop time of the on-off operation of the blasting machine. The sand blasting machine can also be provided with a starting and stopping device for controlling the starting and stopping of the sand blasting machine.
The workstation can also comprise a temperature sensing device, a second timing device and an automatic starting and stopping device which are arranged on the heating device, wherein the temperature sensing device can monitor the temperature of a heating object, the automatic starting and stopping device can control the heating device to start and stop, and the second timing device can record the starting and stopping time of the on-off operation of the heating device; the control panels of the first timing device, the temperature sensing device, the second timing device and the automatic starting device can be positioned on the same operation panel. The temperature sensing device, the second timing device and the automatic starting and stopping device can be used in cooperation to control and record the heating temperature and time of the heating device, for example, firstly, under the control of the automatic starting and stopping device, the heating device can start to heat a heating object, the second timing device records the starting time of the heating device, when the temperature sensing device monitors that the temperature of the heating object reaches a preset temperature, under the control of the automatic starting and stopping device, the heating device can stop heating, and meanwhile, the second timing device records the stopping time.
The temperature sensing device can be a contact or non-contact temperature measuring device. When the temperature sensing device measures temperature in a contact manner, the temperature sensing device can comprise a temperature sensing probe, namely the temperature is measured by contacting the probe with a heating object; when the temperature sensing device measures temperature in a non-contact manner, the temperature sensing device can be an infrared thermometer.
In this embodiment, the workstation may further be provided with a control panel, and the staff member can read data recorded by each device through the control panel and also can control each device through the control panel. The control panels of the first timing device, the temperature sensing device, the second timing device and the automatic starting and stopping device can be on the same operation panel, but the operation areas of the devices can be respectively positioned in different areas of the panel, so that the operation is convenient; the control panel may be located within the cab.
Meanwhile, the sand blasting machine and the intermediate frequency heater can be respectively provided with a control panel so as to facilitate direct field operation, for example, the control panels of the first timing device and the start-stop controller of the sand blasting machine can be positioned on the same panel of the sand blasting machine; the control panels of the temperature sensing device, the second timing device and the automatic start-stop device may be located on the same operation panel of the heating device, and similarly, the operation areas of the devices may be located in different areas of the panel.
In another exemplary embodiment of the present invention, the workstation may further include an environment information collector, a heating device parameter collector, and a sander information collector, on the basis of the workstation described in the first exemplary embodiment or the second exemplary embodiment. Wherein,
because the environmental temperature, humidity and wind speed are main environmental factors influencing the pipeline construction, the invention is provided with the environmental information collector which can collect at least one of the temperature, the humidity and the wind speed of the environment. The heating device parameter collector can be an intermediate frequency heating device parameter collector, the intermediate frequency heating parameter collector can be directly arranged on the intermediate frequency heater, and parameters which can be collected by the intermediate frequency heating device parameter collector can comprise: the temperature of 4 o 'clock of the crater (i.e., the temperature of 3, 6, 9, and 12 o' clock of the clock position), mid-frequency heater parameters, heating time, etc. The information that sandblaster information collector can gather includes: the information of the sand blasting main body, the working parameters of the air compressor and the like, such as sand blasting time, sand blasting speed, pressure and the like.
In this embodiment, the workstation further includes a data transmission system, and the data transmission system may include a data acquisition module, a transmission module, and a gateway, which are sequentially connected through a wired and/or wireless network. Wherein,
the data acquisition module comprises a first data acquisition unit and a second data acquisition unit. The first data acquisition unit can receive and transmit information acquired by the environment information acquisition unit, the intermediate frequency heating device parameter acquisition unit and the sand blasting machine information acquisition unit, and the first data acquisition unit can be connected with each device in a wired or wireless mode. The second controller can receive and transmit the data collected by the code scanning gun. The first and second data collectors may be DAM-3000 series distributed collection modules that cover industry I/O signal standards, such as analog input/output: voltage/current, thermocouple, thermal resistor, strain gauge input; current/voltage output; digital quantity input/output: inputting a switching value; open-circuit output of collector, output of relay; counting/frequency measurement, etc.; the DAM-3000 series network has strong configuration flexibility, is very suitable for a dispersed I/O system, and can establish a multipoint distributed RS-485 network only by two signal wires.
The transmission module can be a wireless and/or wired transmission module, and can receive the information acquired by the first data acquisition unit and the second data acquisition unit and transmit the acquired data in a wired and/or wireless mode. The transmission module mainly comprises a microprocessor and a radio frequency chip and supports definite (real-time and reliable) communication and ultra-dense and large-connection ubiquitous industrial wireless communication.
The gateway can be the data collection gateway, and the multiple interface of data collection gateway can support multichannel wireless access, certainly also supports wired access, and it is fast with the data rate of forwardding, and the gateway can provide multiple wireless access interfaces such as 3G, 4G and wifi. The gateway can receive and store the information transmitted by the transmission module so as to be read by a platform.
In this embodiment, the control panels of the environmental information collector, the heating device parameter collector and the sand blasting machine information collector may also be on the same operation panel, and the operation areas of the devices may be respectively located in different areas of the panel, so as to facilitate the operation; the control panel may be located within the cab.
Meanwhile, the sand blasting machine and the intermediate frequency heater can be respectively provided with a control panel to facilitate direct field operation, for example, the sand blasting machine is provided with a control panel of an intermediate frequency heating device parameter collector; the intermediate frequency heating device can also be provided with a control panel of the intermediate frequency heating device parameter collector.
The invention also provides a pipeline welded junction heat shrinkable belt operation method, which comprises the following steps of performing pipeline heating and/or derusting operation by using the workstation, wherein the heating operation comprises the following steps: at least one link of heating dehumidification before sand blasting rust removal, preheating treatment after sand blasting rust removal and primer heating after finishing coating.
In conclusion, the anti-corrosion operation workstation for the oil and gas long-distance transmission pipeline welded junction and the operation method for the pipeline welded junction heat-shrinkable tape play roles in optimizing a construction process, saving construction time and digitally controlling, and meanwhile can achieve the effects of improving the production efficiency of derusting operation, strengthening the control of joint repairing operation quality, improving the intelligent operation effect of equipment, improving the construction quality and efficiency and reducing the construction cost.
Although the present invention has been described above in connection with exemplary embodiments, it will be apparent to those skilled in the art that various modifications and changes may be made to the exemplary embodiments of the present invention without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The anti-corrosion operation workstation for the welded junction of the long-distance petroleum and natural gas conveying pipeline is characterized by comprising a travelling mechanism, a power generation system, a cab, a sand blasting machine and a heating device, wherein the power generation system, the cab, the sand blasting machine and the heating device are arranged on the travelling mechanism, the sand blasting machine comprises an air compressor, an air storage tank and a sand blasting main body, the power generation system comprises a power generation unit and a fuel tank, wherein,
the engine unit and the cab are arranged at the front section of the travelling mechanism side by side, the sand blasting main body is arranged at the rear section of the travelling mechanism, the air compressor and the heating device and the fuel tank which are vertically distributed are arranged between the engine unit and the sand blasting main body side by side, the fuel tank is arranged above the heating device, and the gas storage tank is arranged above the fuel tank and the air compressor.
2. The station of claim 1, wherein the traveling mechanism is driven in a full hydraulic manner and comprises a crawler chassis and a low-speed high-torque motor.
3. The oil and gas long distance conveying pipeline welded junction anticorrosion operation workstation of claim 1, wherein the air compressor and the cab are located on the same side of the workstation, the vertically distributed heating device and the fuel tank are located on the other side of the workstation, and the height of the fuel tank is lower than that of the air compressor,
the workstation still includes the hoist, the hoist includes hoisting main part and hydraulic tank, wherein, hoisting main part sets up between air compressor machine and driver's cabin, hydraulic tank sets up between fuel tank and the gas holder.
4. The oil and gas long distance transmission pipeline crater anticorrosion operation workstation of claim 1, characterized in that the blasting material of the sand blasting machine is one or more of carborundum, steel grit, steel shot and glass bead, wherein the grain size of the carborundum is 0.08-1.5 mm, the grain size of the steel grit is 0.2-1.2 mm, the grain size of the steel shot is 0.2-1.2 mm, and the grain size of the glass bead is 0.1-1.4 mm.
5. The oil and gas long distance transport pipeline crater corrosion prevention operation workstation of claim 1, characterized in that, the workstation further comprises:
the first timing device is arranged on the sand blasting machine and can record the starting and stopping time of the sand blasting machine;
the temperature sensing device, the second timing device and the automatic starting and stopping device are arranged on the heating device, wherein the temperature sensing device can monitor the temperature of a heating object, the automatic starting and stopping device can control the heating device to start and stop, and the second timing device can record the starting and stopping time of the heating device.
6. The oil and gas long distance transmission pipeline crater anticorrosion operation workstation of claim 1, wherein the workstation further comprises an environmental information collector, a heating device parameter collector and a sand blasting machine information collector, wherein,
the information that the environmental information collector can collect includes: at least one of ambient temperature, humidity, and wind speed;
the information that heating device parameter collector can gather includes: the positions of the welded junctions at 3 o 'clock, 6 o' clock, 9 o 'clock and 12 o' clock and the working parameters of the heating device;
the information that sandblast machine information collector can gather includes: and working parameters of the sand blasting machine.
7. The oil and gas long distance transmission pipeline crater anticorrosion operation workstation of claim 6, wherein the pipeline is provided with a two-dimensional code representing the crater information, the workstation further comprises a scanning gun capable of acquiring the crater information by scanning the two-dimensional code.
8. The oil and gas long distance transport pipeline crater anticorrosion operation workstation of claim 7, characterized in that, the workstation further comprises a data transmission system, the data transmission system comprises a data acquisition module, a transmission module and a data collection gateway. Wherein,
the data acquisition module can receive and transmit information acquired by the environment information acquisition device, the heating device parameter acquisition device, the sand blasting machine information acquisition device and the code scanning gun;
the transmission module can receive the information acquired by the data acquisition module and transmit the acquired information in a wired and/or wireless manner;
the various interfaces of the data collection gateway support multi-channel wireless access and/or wired access, and can receive, store and transmit the information transmitted by the transmission module.
9. The oil and gas long distance transport pipeline crater corrosion prevention operation workstation of claim 1, characterized in that the long distance transport pipeline comprises a pipeline with a length of several kilometers to tens of kilometers.
10. A method for operating a heat shrinkable belt for a pipeline welded junction, which is characterized by comprising the step of performing pipeline heating and/or derusting operation by using the workstation, wherein the heating operation comprises the following steps: at least one link of heating dehumidification before sand blasting rust removal, preheating treatment after sand blasting rust removal and primer heating after finishing coating.
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| CN201810608835.3A CN108895247A (en) | 2018-06-13 | 2018-06-13 | Long-distance pipe Crater antiseptic application station and weld bond shrink belt operational method |
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| CN201810608835.3A CN108895247A (en) | 2018-06-13 | 2018-06-13 | Long-distance pipe Crater antiseptic application station and weld bond shrink belt operational method |
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Cited By (1)
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| CN112140006A (en) * | 2020-09-24 | 2020-12-29 | 四川石油天然气建设工程有限责任公司 | Anticorrosive workstation that removes with sandblast and heating function |
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