CN111207286A - Unit main oil way simulation test system - Google Patents

Unit main oil way simulation test system Download PDF

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Publication number
CN111207286A
CN111207286A CN202010182290.1A CN202010182290A CN111207286A CN 111207286 A CN111207286 A CN 111207286A CN 202010182290 A CN202010182290 A CN 202010182290A CN 111207286 A CN111207286 A CN 111207286A
Authority
CN
China
Prior art keywords
oil
gate valve
pipeline
branch
oil tank
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
CN202010182290.1A
Other languages
Chinese (zh)
Inventor
付晓峰
史会芳
孙振国
张立欣
靳培祥
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.)
Xinxing Ductile Iron Pipes Co Ltd
Original Assignee
Xinxing Ductile Iron Pipes 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 Xinxing Ductile Iron Pipes Co Ltd filed Critical Xinxing Ductile Iron Pipes Co Ltd
Priority to CN202010182290.1A priority Critical patent/CN111207286A/en
Publication of CN111207286A publication Critical patent/CN111207286A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N7/00Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
    • F16N7/38Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
    • F16N7/40Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems in a closed circulation system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N29/00Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N2250/00Measuring
    • F16N2250/04Pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N2250/00Measuring
    • F16N2250/08Temperature

Abstract

The invention discloses a unit main oil way simulation test system, which belongs to the technical field of metallurgy and comprises an oil tank, a high-level oil tank and an oil demand point, wherein two ends of a first pipeline are respectively connected with the oil tank and a main pipeline, two ends of a second pipeline are respectively connected with the oil tank and the main pipeline, the other end of the main pipeline is connected with the high-level oil tank, the high-level oil tank is connected with the oil demand point through a plurality of oil supply branches, the oil demand point is connected with the oil tank through a loop, one end of the first simulation branch is connected with the oil tank, the other end of the first simulation branch is connected with a first pipeline between a first oil pump and a gate valve I, one end of the second simulation branch is connected with the oil tank, the other end of the second simulation branch is connected with a second pipeline between a second oil pump and a gate valve. The invention can carry out simulation test detection on the oil pump after the maintenance is finished, and ensures the safe and stable operation of the main oil way system of the unit.

Description

Unit main oil way simulation test system
Technical Field
The invention relates to a simulation test system for a main oil way of a unit, belonging to the technical field of metallurgy.
Background
In the industrial fields of metallurgy, power generation and the like, a lubricating system is a core component of a main oil circuit of the whole unit, lubricating oil is called blood of an equipment unit, and whether the lubricating system can normally run or not is directly related to the safe and stable running of the equipment unit. The lubricating system of the equipment unit generally comprises an oil tank, an oil pump, a heat exchanger, a pipeline, a high-level oil tank, an oil demand point and the like. During working, lubricating oil liquid reaches a high-level oil tank from an oil tank through power provided by the oil pumps, the two oil pumps are generally switched for use, the high-level oil tank mainly plays an effective buffering role, the phenomenon that the oil pressure is unstable in the switching process of the two oil pumps, and further equipment faults are caused by oil shortage of oil demand points is avoided, then the high-level oil tank reaches each oil demand point position, namely a lubricating position, after the oil demand point position (lubricating position) of an equipment unit is lubricated and cooled, the high-temperature oil is replaced into oil liquid with the temperature required by the process through a pipeline and a heat exchange device, and the oil liquid returns to the oil tank, and the process is circulated.
Generally, in order to ensure that the equipment can continuously and stably operate, the lubricating system of the large-scale unit equipment is characterized in that the oil pumps comprise two oil pumps, a main oil pump and a standby oil pump, the main oil pump and the standby oil pump are respectively connected to two pipeline branches, the main oil pump and the standby oil pump are mutually protected by interlocking of a process interlocking automatic control system, and when the main oil pump or the auxiliary oil pump needs to be overhauled or is abnormal, the oil pressure of an oil circuit system is reduced and fluctuates greatly, the other oil pump is automatically started by the process interlocking automatic control system, so that the safe and stable operation of the whole large-scale unit equipment is ensured. Later, need to maintain the trouble oil pump that stops, overhaul the processing, but the trouble oil pump is handled the back, in the past, the direct access system is tested, but the oil pump after the restoration can not directly satisfy the technological requirement, need debug a period of time, direct access pipeline is tested, because the chain autonomous system of technology, the system can automatic switch over and use the trouble oil pump after the restoration, stop using another oil pump, the testing process can cause oil piping system oil pressure to reduce, lubricating oil flow fluctuates by a wide margin, and trouble oil pump repair can not thoroughly still cause the system to change the power oil pump frequently, cause entire system's unstability.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a unit main oil way simulation test system, which can perform simulation test detection on an oil pump after maintenance is completed, and ensure the safe and stable operation of the unit main oil way system.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a simulation test system for a main oil circuit of a unit comprises an oil tank, a high-level oil tank and an oil demand point, wherein two ends of a first pipeline are respectively connected with the oil tank and a main pipeline, two ends of a second pipeline are respectively connected with the oil tank and the main pipeline, the other end of the main pipeline is connected with the high-level oil tank, the high-level oil tank is connected with the oil demand point through a plurality of oil supply branches, the oil demand point is connected with the oil tank through a loop, a first gate valve and a first oil pump are sequentially arranged on the first pipeline, the gate valve I and the first check valve are arranged on the second pipeline, the second gate valve, the second oil pump, the gate valve II and the second check valve are sequentially arranged on the second pipeline, one end of the first simulation branch is connected with the oil tank, the other end of the first simulation branch is connected with the first pipeline between the first oil pump and the gate valve I, one end of the second simulation branch is connected with the oil tank, the other end of the second simulation branch is connected with the second pipeline between the second oil pump and the gate valve II, the first simulation branch is provided with the first branch gate valve, and the second simulation branch is provided with the second branch gate valve.
The technical scheme of the invention is further improved as follows: the first simulation branch is also provided with a first branch pressure regulating valve, and the second simulation branch is also provided with a second branch pressure regulating valve.
The technical scheme of the invention is further improved as follows: first branch road gate valve, gate valve I, second branch road gate valve and gate valve II are manual valve.
Due to the adoption of the technical scheme, the invention has the technical progress that:
the simulation test system for the main oil circuit of the unit can perform simulation test detection on the oil pump after maintenance is completed, and ensures safe and stable operation of the main oil circuit system of the unit.
Through the arrangement of the first simulation branch, the first branch pressure regulating valve and the first branch gate valve, a simulation test loop can be formed among the first gate valve and the first oil pump on the first pipeline, the first regulation branch, the first branch pressure regulating valve, the first branch gate valve and the oil tank, a simulation test is carried out on the maintenance condition of the first oil pump, the oil pressure of a simulation system is respectively in three states of low pressure, rated pressure and high pressure required by an equipment oil circuit process through regulating the first branch pressure regulating valve, the running states of the first oil pump, such as equipment vibration, bearing temperature and the like, are respectively checked, and whether the first oil pump is up to the standard is further judged; and the second simulation branch, the second branch pressure regulating valve and the second branch gate valve are arranged, so that a simulation test loop can be formed among the second simulation branch, the second branch pressure regulating valve, the second branch gate valve, the second gate valve on the second pipeline, the second oil pump and the oil tank, and a simulation test is carried out on the maintenance or overhaul condition of the second oil pump.
Drawings
FIG. 1 is a schematic structural view of the present invention;
the system comprises an oil tank 1, an oil tank 2, a high-level oil tank 3, an oil demand point 4, a main pipeline 5, an oil supply branch 6, a loop 7, a first pipeline 8, a first oil pump 9, a first gate valve 10, a first check valve 11, a first simulation branch 12, a first branch pressure regulating valve 13, a first branch gate valve 14, a gate valve I, 15, a second pipeline 16, a second oil pump 17, a second gate valve 18, a second check valve 19, a second simulation branch 20, a second branch pressure regulating valve 21, a second branch gate valve 22 and a gate valve II.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
as shown in figure 1, a unit main oil circuit simulation test system comprises an oil tank 1, a high-level oil tank 2 and an oil demand point 3, wherein two ends of a first pipeline 7 are respectively connected with the oil tank 1 and a main pipeline 4, two ends of a second pipeline 15 are respectively connected with the oil tank 1 and the main pipeline 4, the other end of the main pipeline 4 is connected with the high-level oil tank 2, the high-level oil tank 2 is connected with the oil demand point 3 through a plurality of oil supply branches 5, the oil demand point 3 is connected with the oil tank 1 through a loop 6, the first pipeline 7 is sequentially provided with a first gate valve 9, a first oil pump 8, a gate valve I14 and a first check valve 10, the second pipeline 15 is sequentially provided with a second gate valve 17, a second oil pump 16, a gate valve II 22 and a second check valve 18, one end of the first simulation branch 11 is connected with the oil tank 1, the other end of the first pipeline 7 between the first oil pump 8 and the gate valve I14 is connected with the second simulation branch 19, one end of the oil tank 1 is connected with the other end of, the first simulation branch 11 is provided with a first branch gate valve 13, the second simulation branch 19 is provided with a second branch gate valve 21, the first simulation branch 11 is also provided with a first branch pressure regulating valve 12, and the second simulation branch 19 is also provided with a second branch pressure regulating valve 20; the first branch gate valve 13, the gate valve I14, the second branch gate valve 21 and the gate valve II 22 are all manual valves.
When the unit main oil circuit simulation test system is used, a gate valve I14 and a gate valve II 22 are both manually opened, a first gate valve 9 is opened, a first oil pump 8 is in a working state, a second oil pump 16 does not work, lubricating oil flowing out of an oil tank 1 is powered by the first oil pump 8 arranged on a first pipeline 7, reaches a high-level oil tank 2 from a main pipeline 4 and then reaches each oil demand point 3 from the high-level oil tank 2 through a plurality of oil supply branch circuits 5, after lubricating and cooling of the equipment oil demand points 3, returns to the oil tank 1 through a loop 6, the loop 6 is provided with a heat exchange device to replace the high-temperature lubricating oil with process required temperature through the heat exchange device, the process is repeatedly circulated, if the first oil pump 8 fails, the system automatically starts the second oil pump 16 through a process linkage automatic control system, at the moment, the second gate valve 17 is opened, and the first gate valve 9 is closed, the lubricating oil is powered by a second oil pump 16 arranged on a second pipeline 15 and reaches the high-level oil tank 2 from the main pipeline 4, and the continuous oil supply to the oil demand point 3 is completed. After the first oil pump 8 is maintained or overhauled, the first pipeline 7 is connected, the first gate valve 9 is in an open state, the gate valve I14 is closed, the first branch gate valve 13 is manually opened, the first branch pressure regulating valve 12 is in a full open state, namely, the valve is in a full open state in the initial stage, no pressure resistance is ensured to the whole simulation system, then the first gate valve 9 and the first oil pump 8 which are arranged on the first pipeline 7, a simulation test loop is formed among the first regulating branch 11, the first branch pressure regulating valve 12, the first branch gate valve 13 and the oil tank 1, then the first oil pump 8 is opened, after the first oil pump 8 is stably operated, a simulation test is carried out, the oil pressure of the simulation system is respectively in three states of low pressure, rated pressure and high pressure required by an equipment oil line process by adjusting the first branch pressure regulating valve 12, the equipment vibration, bearing temperature and the like of the first oil pump 8 are respectively checked, and further judging whether the first oil pump 8 is up to standard, if the first oil pump 8 is up to standard, closing the first branch gate valve 13, opening the gate valve I14, and automatically switching the system to the first oil pump 8 to provide power to convey lubricating oil, and similarly, after the second oil pump 16 is maintained or overhauled, simulating the running state of the second oil pump 16 through a simulation test loop formed by the second simulation branch 19, the second branch pressure regulating valve 20, the second branch gate valve 21, the second gate valve 17 on the second pipeline 15, the second oil pump 16 and the oil tank 1, so as to ensure the safe and stable running of the whole system.

Claims (3)

1. The utility model provides a unit main oil circuit analogue test system, including oil tank (1), high-order oil tank (2), need oil point (3), oil tank (1) and main pipeline (4) are connected respectively to the both ends of first pipeline (7), oil tank (1) and main pipeline (4) are connected respectively to the both ends of second pipeline (15), high-order oil tank (2) are connected to the other end of main pipeline (4), high-order oil tank (2) need oil point (3) through a plurality of oil supply branch road (5) connection, need oil point (3) to connect oil tank (1) through return circuit (6), its characterized in that: be equipped with first gate valve (9) on first pipeline (7) in order, first oil pump (8), gate valve I (14) and first check valve (10), be equipped with second gate valve (17) on second pipeline (15) in order, second oil pump (16), gate valve II (22) and second check valve (18), oil tank (1) is connected to first simulation branch road (11) one end, first pipeline (7) between first oil pump (8) and gate valve I (14) are connected to the other end, oil tank (1) is connected to second simulation branch road (19) one end, second pipeline (15) between second oil pump (16) and gate valve II (22) are connected to the other end, first simulation branch road (11) are equipped with first branch road gate valve (13), be equipped with second branch road gate valve (21) on second simulation branch road (19).
2. The unit main oil circuit simulation test system according to claim 1, characterized in that: the first simulation branch (11) is also provided with a first branch pressure regulating valve (12), and the second simulation branch (19) is also provided with a second branch pressure regulating valve (20).
3. The unit main oil circuit simulation test system according to claim 1, characterized in that: the first branch gate valve (13), the gate valve I (14), the second branch gate valve (21) and the gate valve II (22) are all manual valves.
CN202010182290.1A 2020-03-16 2020-03-16 Unit main oil way simulation test system Pending CN111207286A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010182290.1A CN111207286A (en) 2020-03-16 2020-03-16 Unit main oil way simulation test system

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Application Number Priority Date Filing Date Title
CN202010182290.1A CN111207286A (en) 2020-03-16 2020-03-16 Unit main oil way simulation test system

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Publication Number Publication Date
CN111207286A true CN111207286A (en) 2020-05-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112228228A (en) * 2020-10-10 2021-01-15 西安爱生技术集团公司 Unmanned aerial vehicle fuel pump work control system and control method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101761442A (en) * 2010-01-21 2010-06-30 广东明珠集团韶关众力发电设备有限公司 Bulb tubular set lubricating oil system
CN202845443U (en) * 2012-10-23 2013-04-03 鞍钢股份有限公司 Rolling lubrication device of hot rolled strip rolling mill
CN203703574U (en) * 2013-10-28 2014-07-09 哈尔滨电机厂有限责任公司 Auxiliary machine lubricating oil system of 6,500 MVA impulse generator
CN205155520U (en) * 2015-11-13 2016-04-13 深圳威特尔自动化科技有限公司 Oil lubrication system is annotated to intelligence
CN106439463A (en) * 2016-12-02 2017-02-22 苏州迪森生物能源有限公司 Lubricating oil system of power generator
CN211821676U (en) * 2020-03-16 2020-10-30 新兴铸管股份有限公司 Unit main oil way simulation test system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101761442A (en) * 2010-01-21 2010-06-30 广东明珠集团韶关众力发电设备有限公司 Bulb tubular set lubricating oil system
CN202845443U (en) * 2012-10-23 2013-04-03 鞍钢股份有限公司 Rolling lubrication device of hot rolled strip rolling mill
CN203703574U (en) * 2013-10-28 2014-07-09 哈尔滨电机厂有限责任公司 Auxiliary machine lubricating oil system of 6,500 MVA impulse generator
CN205155520U (en) * 2015-11-13 2016-04-13 深圳威特尔自动化科技有限公司 Oil lubrication system is annotated to intelligence
CN106439463A (en) * 2016-12-02 2017-02-22 苏州迪森生物能源有限公司 Lubricating oil system of power generator
CN211821676U (en) * 2020-03-16 2020-10-30 新兴铸管股份有限公司 Unit main oil way simulation test system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112228228A (en) * 2020-10-10 2021-01-15 西安爱生技术集团公司 Unmanned aerial vehicle fuel pump work control system and control method
CN112228228B (en) * 2020-10-10 2022-11-18 西安爱生技术集团公司 Unmanned aerial vehicle fuel pump work control system and control method

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