CN110899262A - Device suitable for offshore platform chemical washing, oil washing and degreasing - Google Patents

Device suitable for offshore platform chemical washing, oil washing and degreasing Download PDF

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Publication number
CN110899262A
CN110899262A CN201911157377.7A CN201911157377A CN110899262A CN 110899262 A CN110899262 A CN 110899262A CN 201911157377 A CN201911157377 A CN 201911157377A CN 110899262 A CN110899262 A CN 110899262A
Authority
CN
China
Prior art keywords
water tank
washing
liquid
pipeline
liquid return
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911157377.7A
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Chinese (zh)
Inventor
李军
杨建�
李岑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Bluestar Cleaning Co Ltd
Original Assignee
Beijing Bluestar Cleaning Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Bluestar Cleaning Co Ltd filed Critical Beijing Bluestar Cleaning Co Ltd
Priority to CN201911157377.7A priority Critical patent/CN110899262A/en
Publication of CN110899262A publication Critical patent/CN110899262A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/032Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02Cleaning by the force of jets or sprays
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/10Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/14Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/48Treatment of water, waste water, or sewage with magnetic or electric fields
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2203/00Details of cleaning machines or methods involving the use or presence of liquid or steam
    • B08B2203/007Heating the liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2203/00Details of cleaning machines or methods involving the use or presence of liquid or steam
    • B08B2203/02Details of machines or methods for cleaning by the force of jets or sprays
    • B08B2203/0217Use of a detergent in high pressure cleaners; arrangements for supplying the same

Abstract

The invention discloses a device suitable for offshore platform chemical washing, oil washing and degreasing, and relates to the technical field of offshore platform washing, comprising a water tank, wherein a sewage discharge outlet and a chemical feeding outlet are connected to the water tank; the liquid inlet end of the water tank is communicated with the inlet of the device to be cleaned through a liquid inlet pipeline, and the outlet of the device to be cleaned is communicated with the liquid return end of the water tank through a liquid return pipeline; valves are arranged on the chemical feeding port, the sewage draining port, the liquid inlet pipeline and the liquid return pipeline; the liquid inlet pipeline is communicated with the liquid outlet pipeline; the device also comprises a data monitoring and recording module, wherein the data monitoring and recording module is used for monitoring and cleaning data in real time and archiving and recording the data. The invention adopts an integrated design, one device has multiple functions, and the cost is saved; and the system is suitable for the operation requirements of different conditions, can monitor data in real time and meet the cleaning requirements of owners.

Description

Device suitable for offshore platform chemical washing, oil washing and degreasing
Technical Field
The invention relates to the technical field of offshore platform cleaning, in particular to a device suitable for offshore platform chemical washing, oil flushing and degreasing.
Background
Offshore platforms, a truss structure elevated above the sea surface and having a horizontal deck for production operations or other activities. The offshore platform can be used for drilling and shipbuilding, is formed by assembling different modules, and chemical devices, equipment and pipelines on the modules need cleaning operations such as chemical washing, oil washing, degreasing and the like. During the assembling and debugging process of the ship, the pipeline of the ship also needs cleaning operations such as chemical washing, oil washing, degreasing and the like. The requirement of special cleaning equipment which is suitable for the offshore platform and has multiple purposes is very large.
The main disadvantages are that: at present, three devices are needed in the offshore platform cleaning operation to carry out chemical cleaning, oil flushing and degreasing construction respectively, and the offshore platform cleaning operation needs more devices and operating personnel and is higher in cost.
The existing equipment has no detection and recording function, and cannot know the parameters of temperature, pressure, flow rate, liquid level, pH value, Reynolds number and the like of cleaning. The cleaning effect cannot be ensured.
Therefore, it is desirable to provide a new device suitable for offshore platform washing, oil washing and degreasing, so as to solve the above problems in the prior art.
Disclosure of Invention
The invention aims to provide a device suitable for offshore platform chemical washing, oil flushing and degreasing, which is used for solving the problems in the prior art, adopts an integrated design, has multiple functions of one device and saves the cost; and the system is suitable for the operation requirements of different conditions, can monitor data in real time and meet the cleaning requirements of owners.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a device suitable for offshore platform chemical washing, oil flushing and degreasing, which comprises a water tank, wherein a sewage discharge port and a chemical feeding port are connected to the water tank; the liquid inlet end of the water tank is communicated with the inlet of the device to be cleaned through a liquid inlet pipeline, and the outlet of the device to be cleaned is communicated with the liquid return end of the water tank through a liquid return pipeline; valves are arranged on the chemical feeding port, the sewage draining port, the liquid inlet pipeline and the liquid return pipeline;
the liquid inlet pipeline is communicated with the liquid outlet pipeline;
the device also comprises a data monitoring and recording module, wherein the data monitoring and recording module is used for monitoring and cleaning data in real time and archiving and recording the data.
Preferably, the water tanks are arranged side by side and are isolated from each other.
Preferably, the water tanks are provided with three, including the first water tank, the second water tank and the third water tank that set gradually.
Preferably, the first water tank is further connected with a first steam heating pipe, and the third water tank is further connected with a second steam heating pipe.
Preferably, the liquid return pipeline comprises a liquid return main pipe, a first liquid return branch pipe and a second liquid return branch pipe, and the first liquid return branch pipe and the second liquid return branch pipe are arranged side by side and are communicated with the liquid return main pipe; and an oil filter is arranged on the second liquid return branch pipe.
Preferably, the filter element of the oil filter is detachable, and the filter element of the oil filter adopts a filter element of 25 mu, 10 mu, 5 mu or 3 mu.
Preferably, the seawater desalination device further comprises a heat exchanger and a seawater circulating pump, wherein the heat exchanger is arranged on the liquid inlet pipeline, the heat exchanger is communicated with seawater through a seawater inlet pipe and a seawater outlet pipe, and the seawater circulating pump is arranged on the seawater inlet pipe.
Preferably, the inside of water tank is provided with the filter screen, magnet has been placed on the filter screen.
Preferably, the liquid inlet pipeline and the liquid return pipeline are provided with sampling ports.
Preferably, the data monitoring and recording module is connected with the thermometer, the liquid level meter, the PH meter, the flowmeter and the pressure meter through signal lines; the water tank is connected with the thermometer and the liquid level meter, and the liquid inlet pipeline and the liquid return pipeline are respectively provided with the PH meter, the flowmeter and the pressure gauge.
Compared with the prior art, the invention has the following technical effects:
the invention adopts an integrated design, one device has multiple functions, and the cost is saved; and the system is suitable for the operation requirements of different conditions, can monitor data in real time and meet the cleaning requirements of owners.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a device suitable for offshore platform chemical washing, oil washing and degreasing according to the invention;
FIG. 2 is a schematic flowchart illustrating a first embodiment;
FIG. 3 is a schematic view of the operation of the second embodiment;
FIG. 4 is a schematic view of the operation flow of the third embodiment;
wherein, 1-30 are valves, 31 is a first water tank, 32 is a second water tank, 33 is a third water tank, 34 is a dosing port, 35 is a first steam heating pipe, 36 is a sewage draining port, 37 is a gas storage tank, 38 is a second steam heating pipe, 39 is a pump, 4 is a sampling port, 41 is a data monitoring and recording module, 42 is a seawater circulating pump, and 43 is a device to be cleaned.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
As shown in fig. 1-2, the embodiment provides a device suitable for offshore platform chemical washing, oil washing and degreasing, which includes water tanks, wherein the water tanks are connected with a sewage outlet 36 and a chemical adding port 34, the chemical adding port 34 is used for adding a chemical, each water tank is controlled by a valve, the chemical is convenient to fill, different chemicals can be prevented from mixing, and the sewage outlet 36 is used for emptying residual chemicals in a pipeline; the liquid inlet end of the water tank is communicated with the inlet of the device to be cleaned 43 through a liquid inlet pipeline, and the outlet of the device to be cleaned is communicated with the liquid return end of the water tank through a liquid return pipeline; valves are arranged on the chemical feeding port 34, the sewage discharge port 36, the liquid inlet pipeline and the liquid return pipeline;
the liquid feeding device also comprises a gas storage tank 37, wherein the gas supply end of the gas storage tank 37 is communicated with the liquid feeding pipeline;
the cleaning device further comprises a data monitoring and recording module 41, wherein the data monitoring and recording module 41 is used for monitoring cleaning data in real time and archiving and recording the data.
In this embodiment, the plurality of water tanks are arranged side by side and are isolated from each other, so that the chemicals are not affected by each cleaning operation process; specifically, the water tanks are provided in three, including a first water tank 31, a second water tank 32, and a third water tank 33, which are sequentially provided.
Further, the first water tank 31 is further connected with a first steam heating pipe 35, and the third water tank 33 is further connected with a second steam heating pipe 38, so that the dosing agent is heated when the cleaning temperature needs to be increased.
In this embodiment, the liquid return pipeline includes liquid return main pipe, first liquid return branch pipe with liquid return main pipe communicates.
In this embodiment, a filter screen is arranged inside the water tank, and a magnet is placed on the filter screen; for filtering welding slag, iron beans and the like, temporary magnets are required to be placed according to the size of a filter screen.
In this embodiment, the liquid inlet line and the liquid return line are provided with sampling ports 40 for sampling the components of the assay reagents and checking the cleaning effect.
In this embodiment, the data monitoring and recording module 41 may adopt a computer, and is connected to a thermometer, a filter screen, a liquid level meter, a PH meter, a flow meter and a pressure meter through signal lines; the water tank is connected with the thermometer and the liquid level meter, and the liquid inlet pipeline and the liquid return pipeline are respectively provided with the PH meter, the flowmeter and the pressure gauge. The data monitoring and recording module 41 can monitor the cleaning data in real time and can archive and record the data so as to be convenient to check; the PH meter monitors the PH values in the liquid inlet pipeline and the liquid return pipeline, and calculates the consumption of the medicament according to the change of the PH values so as to supplement the medicament in time; the Reynolds number of the current cleaning operation can be displayed in real time so as to achieve the cleaning effect required by the owner; the thermometer monitors the temperature of the pipeline to judge whether heating or cooling is needed.
In this embodiment, each pipeline all adopts the stainless steel pipeline, and the water tank passes through stainless steel pipeline and gas holder, pump, valve, thermometer, level gauge, heat exchanger, PH meter, sample connection, flowmeter, manometer connection.
In this embodiment, the cleaning device is used for chemical cleaning, and the working process is as follows:
the valve 9 is opened, the dosing pipeline is connected, the agent is filled, and at the moment, the rust remover is added into the first water tank 31; after filling, the valves 11, 28, 27, 25 are opened, the valve 2 is closed, and the pump 39 is started to circularly clean. If heating is needed, the valve 8 is opened to connect the first steam heating pipe 35; the other valves are closed. During the period, the valve 23 and the valve 7 can be opened to sample the liquid inlet end and the liquid return end, and the PH meters at the liquid inlet end and the liquid return end monitor the PH values of the liquid inlet end and the liquid return end. The equipment operator judges the chemical washing condition through the feedback of the data monitoring and recording module and the sampling and detecting result; and opening the valve 1 to discharge sewage when the cleaning is qualified.
The filter screen filters the welding slag, iron beans and the like washed out by the pipeline, and the welding slag, the iron beans and the like are cleaned up by using a magnet.
During cleaning, data monitoring and recording modules display data such as real-time pressure, flow, liquid level, temperature and PH value.
Example two
As shown in fig. 3, the present embodiment is an improvement on the first embodiment, and the improvement is that: the liquid return pipeline also comprises a second liquid return branch pipe, and the first liquid return branch pipe and the second liquid return branch pipe are arranged side by side and are communicated with the liquid return main pipe; and an oil filter is arranged on the second liquid return branch pipe. In the embodiment, the filter element of the oil filter is detachable, and the filter element of the oil filter adopts a filter element of 25 mu, 10 mu, 5 mu or 3 mu; specifically, the cleaning first used a 25 μ filter element and the pressure difference between the cleaning line and the oil filter was observed. Once the pressure difference reaches the rated value, the filter element is replaced immediately and is gradually replaced by 10 mu, 5 mu and 3 mu filter elements.
In this embodiment, the system further comprises a heat exchanger and a seawater circulating pump 42, wherein the heat exchanger and the seawater circulating pump 42 are connected with the data monitoring and recording module through signal lines; the heat exchanger is arranged on the liquid inlet pipeline, the heat exchanger is communicated with seawater through a seawater inlet pipe and a seawater outlet pipe, and the seawater circulating pump 42 is arranged on the seawater inlet pipe. In the process of oil flushing operation, temperature control is important, the temperature is controlled below a flash point, open fire sources are avoided around the flash point, the heat exchanger utilizes seawater to cool pipeline oil and chemicals, and the temperature in the cleaning process is guaranteed to meet requirements.
In this embodiment, be used for treating the belt cleaning device and carry out oil washing, the working process is as follows:
before oiling, opening valves 10, 28, 27, 26, 24 and 4, introducing nitrogen or dry air to find leakage; it was determined that no leak point started the oil flushing operation.
The valve 14 is opened, the dosing pipeline is connected, the medicament is filled, and at the moment, clean hydraulic oil is filled in the second water tank 32; after filling, valves 10, 28, 27, 26, 24, 4 are opened and the remaining valves are closed, and pump 39 is activated to cycle the purge. If the temperature is too high, the valves 27 and 28 are opened to connect the seawater circulation cooling and temperature reduction. When cleaning, firstly using a 25 mu filter element, and observing the pressure difference between a cleaning pipeline and an oil filter; once the pressure difference reaches the rated value, the filter element is replaced immediately and is gradually replaced by 10 mu, 5 mu and 3 mu filter elements. During the period, the valve 23 and the valve 7 can be opened to sample the liquid inlet end and the liquid return end, and the equipment operator can judge the cleaning condition through the feedback of the monitoring and recording module and the sampling detection result. And opening the valve 3 to discharge sewage after the cleaning is finished.
In the process of cleaning the pipeline, personnel must continuously knock the elbows, the welding lines and the valves of the pipeline.
EXAMPLE III
As shown in fig. 4, the present embodiment is an improvement on the first embodiment, and the improvement is that: in this embodiment, the degreasing device is used for degreasing the device to be cleaned, and the working process is as follows:
the valve 17 is opened, the medicine adding pipeline is connected, the medicine is added, and the degreasing agent is added into the third water tank 33 at the moment; after filling, the valves 15, 28, 27, 25 and 6 are opened, and the rest are closed, and the pump 39 is started to circularly clean. If the heating is needed, the valve 8 is opened to switch on the steam heating; during the period, the valve 23 and the valve 7 can be opened to sample the liquid inlet end and the liquid return end, and the PH meters at the liquid inlet end and the liquid return end monitor the PH values of the inlet liquid and the return liquid; and the equipment operator judges the cleaning condition through the feedback of the data monitoring and recording module and the sampling and detecting result. And opening the valve 5 to discharge sewage when the cleaning is qualified.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (10)

1. The utility model provides a device suitable for offshore platform ization is washed, oil is washed, degrease which characterized in that: comprises a water tank, wherein a sewage discharge outlet and a medicine feeding outlet are connected on the water tank; the liquid inlet end of the water tank is communicated with the inlet of the device to be cleaned through a liquid inlet pipeline, and the outlet of the device to be cleaned is communicated with the liquid return end of the water tank through a liquid return pipeline; valves are arranged on the chemical feeding port, the sewage draining port, the liquid inlet pipeline and the liquid return pipeline;
the liquid inlet pipeline is communicated with the liquid outlet pipeline;
the device also comprises a data monitoring and recording module, wherein the data monitoring and recording module is used for monitoring and cleaning data in real time and archiving and recording the data.
2. The apparatus of claim 1, wherein the apparatus is adapted for offshore platform chemical washing, oil washing, and degreasing: the water tank is provided with a plurality ofly side by side, and is a plurality of isolated each other between the water tank.
3. The device suitable for offshore platform chemical washing, oil washing and degreasing as claimed in claim 2, wherein: the water tank is provided with three, including first water tank, second water tank and the third water tank that sets gradually.
4. The device suitable for offshore platform chemical washing, oil washing and degreasing as claimed in claim 3, wherein: the first water tank is further connected with a first steam heating pipe, and the third water tank is further connected with a second steam heating pipe.
5. The device suitable for offshore platform chemical washing, oil washing and degreasing according to claim 4, characterized in that: the liquid return pipeline comprises a liquid return main pipe, a first liquid return branch pipe and a second liquid return branch pipe, and the first liquid return branch pipe and the second liquid return branch pipe are arranged side by side and are communicated with the liquid return main pipe; and an oil filter is arranged on the second liquid return branch pipe.
6. The device suitable for offshore platform chemical washing, oil washing and degreasing according to claim 5, characterized in that: the filter element of the oil filter is detachable, and the filter element of the oil filter adopts a filter element of 25 mu, 10 mu, 5 mu or 3 mu.
7. The device suitable for offshore platform chemical washing, oil washing and degreasing according to claim 4, characterized in that: the seawater desalination device is characterized by further comprising a heat exchanger and a seawater circulating pump, wherein the heat exchanger is arranged on the liquid inlet pipeline, the heat exchanger is communicated with seawater through a seawater inlet pipe and a seawater outlet pipe, and the seawater circulating pump is arranged on the seawater inlet pipe.
8. The apparatus of claim 1, wherein the apparatus is adapted for offshore platform chemical washing, oil washing, and degreasing: the inside of water tank is provided with the filter screen, magnet has been placed on the filter screen.
9. The apparatus of claim 1, wherein the apparatus is adapted for offshore platform chemical washing, oil washing, and degreasing: and the liquid inlet pipeline and the liquid return pipeline are provided with sampling ports.
10. The apparatus of claim 1, wherein the apparatus is adapted for offshore platform chemical washing, oil washing, and degreasing: the data monitoring and recording module is connected with the thermometer, the liquid level meter, the PH meter, the flowmeter and the pressure meter through signal lines; the water tank is connected with the thermometer and the liquid level meter, and the liquid inlet pipeline and the liquid return pipeline are respectively provided with the PH meter, the flowmeter and the pressure gauge.
CN201911157377.7A 2019-11-22 2019-11-22 Device suitable for offshore platform chemical washing, oil washing and degreasing Pending CN110899262A (en)

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Application Number Priority Date Filing Date Title
CN201911157377.7A CN110899262A (en) 2019-11-22 2019-11-22 Device suitable for offshore platform chemical washing, oil washing and degreasing

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Application Number Priority Date Filing Date Title
CN201911157377.7A CN110899262A (en) 2019-11-22 2019-11-22 Device suitable for offshore platform chemical washing, oil washing and degreasing

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115254725A (en) * 2022-05-11 2022-11-01 岚图汽车科技有限公司 Novel application pretreatment electrophoresis hoist self-cleaning system

Citations (6)

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Publication number Priority date Publication date Assignee Title
CN102489480A (en) * 2011-12-16 2012-06-13 安徽康迪纳电力科技有限责任公司 Chemical cleaning process of oil system of large equipment
CN106807671A (en) * 2015-12-02 2017-06-09 中国南方航空工业(集团)有限公司 A kind of system for engine washing
CN107587151A (en) * 2017-08-28 2018-01-16 南通振华重型装备制造有限公司 A kind of novel hydraulic pipe high-efficiency washing method
CN109365426A (en) * 2018-09-07 2019-02-22 孙桂英 A kind of marine piping atomization cleaning technique
CN209222813U (en) * 2018-09-20 2019-08-09 江门市南洋船舶工程有限公司 A kind of shop sump oil cabin steam cleaner
CN110252750A (en) * 2019-06-12 2019-09-20 海洋石油工程股份有限公司 A kind of equipment applied to deep-sea oil gas pipeline cleaning operation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102489480A (en) * 2011-12-16 2012-06-13 安徽康迪纳电力科技有限责任公司 Chemical cleaning process of oil system of large equipment
CN106807671A (en) * 2015-12-02 2017-06-09 中国南方航空工业(集团)有限公司 A kind of system for engine washing
CN107587151A (en) * 2017-08-28 2018-01-16 南通振华重型装备制造有限公司 A kind of novel hydraulic pipe high-efficiency washing method
CN109365426A (en) * 2018-09-07 2019-02-22 孙桂英 A kind of marine piping atomization cleaning technique
CN209222813U (en) * 2018-09-20 2019-08-09 江门市南洋船舶工程有限公司 A kind of shop sump oil cabin steam cleaner
CN110252750A (en) * 2019-06-12 2019-09-20 海洋石油工程股份有限公司 A kind of equipment applied to deep-sea oil gas pipeline cleaning operation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115254725A (en) * 2022-05-11 2022-11-01 岚图汽车科技有限公司 Novel application pretreatment electrophoresis hoist self-cleaning system

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