阅读说明：本技术 高位油箱滤油系统辅助油槽装置及工作方法 (Auxiliary oil groove device of oil filtering system of high-level oil tank and working method ) 是由 韩万龙 张一帆 顾正萌 张纯 张旭伟 吴家荣 白文刚 乔永强 于 2021-02-07 设计创作，主要内容包括：本发明公开了一种高位油箱滤油系统辅助油槽装置及工作方法,该装置包括油槽腔体,位于油槽腔体顶面的窥视取样口,位于油槽腔体同一侧面的进油口接口和补油口接口,位于油槽腔体另一侧面底部两侧的溢油口接口和排污口接口,溢油口接口的位置远离进油口接口和补油口接口,辅助油槽装置的底面呈倾斜状平面；本发明通过与高位油箱的进油管路、补油管路和溢油管路相连,循环油泵使润滑油在进油管路和溢油管路中反向高速流动,在补油管路正向高速流动,与事故工况高位油箱补油过程的流动方向一致,通过润滑油的高速流动对进油管路、补油管路和溢油管路的焊渣、灰尘冲洗及外置过滤系统的过滤,防止高位油箱管路内的焊渣、灰尘进入叶轮机械的轴承系统。(The invention discloses an auxiliary oil tank device of an oil filtering system of a high-level oil tank and a working method, wherein the auxiliary oil tank device comprises an oil tank cavity, a peeping sampling port positioned on the top surface of the oil tank cavity, an oil inlet interface and an oil supplementing port interface positioned on the same side surface of the oil tank cavity, and an oil overflow port interface and a sewage discharge port interface positioned on two sides of the bottom of the other side surface of the oil tank cavity, wherein the oil overflow port interface is far away from the oil inlet interface and the oil supplementing port interface, and the bottom surface of the auxiliary oil tank device is an inclined plane; the invention connects the oil inlet pipeline, the oil supplement pipeline and the oil overflow pipeline of the high-level oil tank, the circulating oil pump makes the lubricating oil flow reversely and at high speed in the oil inlet pipeline and the oil overflow pipeline, and flow at high speed in the oil supplement pipeline in the positive direction, and the flowing direction is consistent with the flowing direction of the oil supplement process of the high-level oil tank under accident working conditions, and the high-speed flow of the lubricating oil flushes welding slag and dust of the oil inlet pipeline, the oil supplement pipeline and the oil overflow pipeline and filters an external filtering system, thereby preventing the welding slag and dust in the high-level oil tank pipeline from entering a bearing system of the impeller machine.)

1. Supplementary oil groove device of high-order oil tank oil strain system, its characterized in that: comprises an oil groove cavity formed by an outer surface (1) of an auxiliary oil groove device and an inner surface (2) of the auxiliary oil groove device, a peeping sampling port (3), an oil inlet interface (4), an oil supplementing port interface (5), an oil spilling port interface (6) and a sewage draining port interface (7), wherein the peeping sampling port (3) is positioned on the top surface of the oil groove cavity, the oil inlet interface (4), the oil supplementing interface (5), the oil spilling interface (6) and the sewage draining interface (7) are positioned on the side surface of the oil groove cavity, the oil inlet interface (4) and the oil supplementing interface (5) are positioned on the same side surface of the oil groove cavity, the oil spilling interface (6) and the sewage draining interface (7) are positioned on two sides of the bottom of the other side surface of the oil groove cavity, and the position of the oil spilling interface (6) is far away from the oil inlet interface (4) and the oil supplementing interface (5), the inclined bottom surface (8) of the inner surface (2) of the auxiliary oil groove device is an inclined plane.

2. The auxiliary oil tank device of the oil filtering system of the high-level oil tank as claimed in claim 1, wherein: the oil inlet interface (4) is adjacent to the oil supplementing interface (5), and the oil inlet interface and the oil overflowing interface (6) are positioned in the range of 20cm from the diagonal position of the space of the auxiliary oil groove.

3. The auxiliary oil tank device of the oil filtering system of the high-level oil tank as claimed in claim 1, wherein: the peeping sampling port (3) and the oil spilling port interface (6) are positioned within 20cm of the plane diagonal position of the auxiliary oil groove.

4. The auxiliary oil tank device of the oil filtering system of the high-level oil tank as claimed in claim 1, wherein: the distance between the central line of the oil inlet connector (4) and the top of the inner surface minus the radius of the oil inlet connector (4) is equal to 5 cm.

5. The auxiliary oil tank device of the oil filtering system of the high-level oil tank as claimed in claim 1, wherein: the distance between the central line of the oil supplementing port connector (5) and the top of the inner surface minus the radius of the oil supplementing port connector (5) is equal to 5 cm.

6. The auxiliary oil tank device of the oil filtering system of the high-level oil tank as claimed in claim 1, wherein: the height of the center line of the oil spilling port connector (6) minus the highest height of the inclined bottom surface (8) is equal to the radius of the oil spilling port connector (6).

7. The auxiliary oil tank device of the oil filtering system of the high-level oil tank as claimed in claim 1, wherein: the minimum height of the center line of the sewage outlet interface (7) minus the inclined bottom surface (8) is equal to the radius of the sewage outlet interface (7).

8. The method for operating the auxiliary oil tank device of the oil filtering system of the high-level oil tank as defined in any one of claims 1 to 7, wherein: the oil injection stage comprises a valve on a pipeline connected with an oil inlet interface (4), a valve on a pipeline connected with an oil supplementing port interface (5), a valve on a pipeline connected with an oil spilling port interface (6) and a valve on a pipeline connected with a sewage draining port interface (7), the valve on the pipeline connected with a peeping sampling port (3) is opened, lubricating oil is introduced into an oil groove cavity through the pipeline connected with the peeping sampling port (3), and the amount of injected lubricating oil is 1.2 times of the total amount of the lubricating oil required by a high-level oil tank and an air pipeline; in the oil filtering stage, a valve on a pipeline connected with the peeping sampling port (3) and a valve on a pipeline connected with the drain port interface (7) are closed, a valve on a pipeline connected with the oil inlet interface (4), a valve on a pipeline connected with the oil supplementing port interface (5) and a valve on a pipeline connected with the oil overflowing port interface (6) are sequentially opened, lubricating oil flows out of an oil tank cavity from the oil overflowing port interface (6), is pumped into a high-level oil tank through an external circulating oil pump on the oil overflowing pipeline, then flows out of the high-level oil tank, passes through the oil inlet interface (4) after passing through an oil inlet pipeline or returns to the oil tank cavity through the oil supplementing port interface (5) after passing through the oil supplementing pipeline, and the circulation of the lubricating oil from an auxiliary oil tank device of the high-level oil tank system to the; and in the sewage discharging stage, a valve on a pipeline connected with the peeping sampling port (3), a valve on a pipeline connected with the oil inlet interface (4), a valve on a pipeline connected with the oil supplementing port interface (5) and a valve on a pipeline connected with the oil spilling port interface (6) are closed, a valve on a pipeline connected with the sewage discharging port interface (7) is opened, and lubricating oil containing welding slag and dust impurities flows out from a pipeline connected with the sewage discharging port interface (7).

Technical Field

The invention relates to the technical field of oil filtering of impeller machinery lubricating oil systems, in particular to an auxiliary oil groove device of an oil filtering system of a high-level oil tank and a working method.

Background

Among the auxiliary systems of the turbomachinery, the lubricating oil system is one of the most important auxiliary systems, and the quality of the lubricating oil is directly related to the operational safety and the service life of the turbomachinery equipment. The prior art can realize that the oil filtering is carried out on the lubricating oil system except the high-level oil tank pipeline in the impeller mechanical system, so that the oil quality of the lubricating oil system except the high-level oil tank and the pipeline of the impeller mechanical system meets the use requirement, but the oil filtering can not be carried out on the high-level oil tank and the pipeline of the impeller mechanical system, thereby increasing the risk that the unqualified oil quality and impurities in the high-level oil tank flow into the bearing of the impeller mechanical system to cause the damage of the bearing or the damage of the whole machine when the power failure accident of the impeller mechanical system occurs.

Disclosure of Invention

The invention aims to solve the problems and provide an auxiliary oil groove device of a high-level oil tank oil filtering system and a working method.

The invention realizes the purpose through the following technical scheme:

the auxiliary oil tank device of the high-level oil tank oil filtering system comprises an oil tank cavity formed by an auxiliary oil tank device outer surface 1 and an auxiliary oil tank device inner surface 2, a peeping sampling port 3, an oil inlet interface 4, an oil supplementing port interface 5, an oil spilling port interface 6 and a drain port interface 7, wherein the peeping sampling port 3 is positioned on the top surface of the oil tank cavity, the oil inlet interface 4, the oil supplementing port interface 5, the oil spilling port interface 6 and the drain port interface 7 are positioned on the side surface of the oil tank cavity, the oil inlet interface 4 and the oil supplementing port interface 5 are positioned on the same side surface of the oil tank cavity, the oil spilling port interface 6 and the drain port interface 7 are positioned on two sides of the bottom of the other side surface of the oil tank cavity, the position of the oil spilling port interface 6 is far away from the oil inlet interface 4 and the oil supplementing port interface 5, and an inclined.

The oil inlet port 4 and the oil supplementing port 5 are adjacent, and the oil inlet port and the oil overflowing port 6 are located within the range of 20cm of the diagonal position of the space of the auxiliary oil groove.

The peeping sampling port 3 and the oil spilling port interface 6 are positioned in the range of 20cm from the plane diagonal position of the auxiliary oil groove.

The distance between the center line of the oil inlet connector 4 and the top of the inner surface minus the radius of the oil inlet connector 4 is equal to 5 cm.

The distance between the central line of the oil supplementing port connector 5 and the top of the inner surface minus the radius of the oil supplementing port connector 5 is equal to 5 cm.

The height of the center line of the oil spilling port connector 6 minus the highest height of the inclined bottom surface 8 is equal to the radius of the oil spilling port connector 6.

The minimum height of the center line of the sewage outlet interface 7 minus the inclined bottom surface 8 is equal to the radius of the sewage outlet interface 7.

The working method of the auxiliary oil groove device of the oil filtering system of the high-level oil tank is divided into three stages, namely an oil filling stage, an oil filtering stage and a sewage discharging stage, wherein the oil filling stage comprises the steps of closing a valve on a pipeline connected with an oil inlet interface 4, a valve on a pipeline connected with an oil supplementing port interface 5, a valve on a pipeline connected with an oil overflowing port interface 6 and a valve on a pipeline connected with a sewage discharging port interface 7, opening a valve on a pipeline connected with a peeping sampling port 3, introducing lubricating oil into an oil groove cavity through a pipeline connected with the peeping sampling port 3, and stopping the injection of the lubricating oil in an amount which is 1.2 times of the total amount of the lubricating oil required by the high-level oil; in the oil filtering stage, a valve on a pipeline connected with the peeping sampling port 3 and a valve on a pipeline connected with the drain port interface 7 are closed, a valve on a pipeline connected with the oil inlet interface 4, a valve on a pipeline connected with the oil supplementing port interface 5 and a valve on a pipeline connected with the oil overflow port interface 6 are sequentially opened, lubricating oil flows out of an oil tank cavity from the oil overflow port interface 6, is pumped into a high-level oil tank through an external circulating oil pump on the oil overflow pipeline, then flows out of the high-level oil tank, passes through the oil inlet interface 4 after passing through the oil inlet pipeline or returns to the oil tank cavity through the oil supplementing port interface 5 after passing through the oil supplementing pipeline, and the circulation of the lubricating oil from an auxiliary oil tank device of the high-level oil tank oil filtering; in the sewage draining stage, a valve on a pipeline connected with the peeping sampling port 3, a valve on a pipeline connected with the oil inlet interface 4, a valve on a pipeline connected with the oil supplementing interface 5 and a valve on a pipeline connected with the oil spilling interface 6 are closed, the valve on the pipeline connected with the sewage draining interface 7 is opened, and the lubricating oil containing welding slag and dust impurities flows out from the pipeline connected with the sewage draining interface 7.

The invention has the beneficial effects that:

at present, an oil filtering scheme for a high-level oil tank and a pipeline thereof in an impeller mechanical system is not available. The invention provides an auxiliary oil groove device of a high-level oil tank oil filtering system and a working method, wherein the auxiliary oil groove device of the high-level oil tank oil filtering system is designed, the auxiliary oil groove device is connected with an oil inlet pipeline, an oil supplementing pipeline and an oil overflow pipeline of a high-level oil tank, a circulating oil pump enables lubricating oil to reversely flow at high speed in the oil inlet pipeline and the oil overflow pipeline and to flow at high speed in the forward direction of the oil supplementing pipeline, particularly the flow direction of the lubricating oil is consistent with the flow direction of the high-level oil tank oil supplementing process under accident working conditions, welding slag and dust in the oil inlet pipeline, the oil supplementing pipeline and the oil overflow pipeline are flushed by the high-speed flow of the lubricating oil, and the welding slag and dust in the high-level oil tank pipeline can be prevented from entering a bearing system of an impeller. Meanwhile, the inner surface of the invention adopts an inclined plane as the bottom surface, the lowest height of the center line of the drain port interface minus the inclined bottom surface is equal to the radius of the drain port interface, the oil inlet interface is adjacent to the oil supplementing port interface, and the oil inlet interface and the oil spilling port interface are positioned at the opposite angle position of the space of the auxiliary oil groove.

The invention helps to solve the problem that the high-level oil tank and the pipeline thereof in the impeller mechanical system can not filter oil, and reduces the risk of bearing damage or complete machine damage caused by the unqualified oil and impurities flowing into the bearing of the impeller mechanical system due to the oil which is not filtered by the high-level oil tank system in the emergency power failure accident condition of the impeller mechanical system.

Drawings

Fig. 1 is a schematic view of an auxiliary oil tank device of an oil filtering system of a high-level oil tank of the invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1, the auxiliary oil tank device of the high-level oil tank oil filtering system of the invention comprises an oil tank cavity formed by an outer surface 1 of the auxiliary oil tank device and an inner surface 2 of the auxiliary oil tank device, a peeping sampling port 3, an oil inlet interface 4, an oil supplementing port interface 5, an oil spilling port interface 6 and a drain outlet interface 7, wherein the peeping sampling port 3 is positioned on the top surface of the oil tank cavity, the oil inlet interface 4, the oil supplementing port interface 5, the oil spilling port interface 6 and the drain outlet interface 7 are positioned on the side surface of the oil tank cavity, the oil inlet interface 4 and the oil supplementing port interface 5 are positioned on the same side surface of the oil tank cavity, the oil spilling port interface 6 and the drain outlet interface 7 are positioned on two sides of the bottom of the other side surface of the oil tank cavity, the position of the oil spilling port interface 6 is far away from the oil inlet interface 4 and the oil supplementing.

As a preferred embodiment of the present invention, the oil inlet port 4 and the oil supply port 5 are adjacent to each other, and both of them and the oil overflow port 6 are located within a range of 20cm from a spatial diagonal position of the auxiliary oil tank.

As a preferred embodiment of the invention, the peep sampling hole 3 and the oil spilling hole interface 6 are positioned within 20cm of the plane diagonal position of the auxiliary oil groove.

As a preferred embodiment of the invention, the distance between the center line of the oil inlet port 4 and the top of the inner surface minus the radius of the oil inlet port 4 is equal to 5 cm.

As a preferred embodiment of the invention, the distance between the central line of the oil supplementing port interface 5 and the top of the inner surface minus the radius of the oil supplementing port interface 5 is equal to 5 cm.

As a preferred embodiment of the invention, the height of the center line of the oil spilling port joint 6 minus the highest height of the inclined bottom surface 8 is equal to the radius of the oil spilling port joint 6.

As a preferred embodiment of the invention, the lowest height of the center line height of the sewage outlet interface 7 minus the inclined bottom surface 8 is equal to the radius of the sewage outlet interface 7.

The working method of the auxiliary oil groove device of the oil filtering system of the high-level oil tank is divided into three stages, namely an oil filling stage, an oil filtering stage and a pollution discharge stage, wherein the oil filling stage comprises the steps of closing a valve on a pipeline connected with an oil inlet interface 4, a valve on a pipeline connected with an oil supplementing port interface 5, a valve on a pipeline connected with an oil overflow port interface 6 and a valve on a pipeline connected with a pollution discharge port interface 7, opening a valve on a pipeline connected with a peeping sampling port 3, introducing lubricating oil into an oil groove cavity through a pipeline connected with the peeping sampling port 3, and stopping the injection of the lubricating oil in an amount which is 1.2 times of the total amount of the lubricating oil required by the high-level oil tank and; in the oil filtering stage, a valve on a pipeline connected with the peeping sampling port 3 and a valve on a pipeline connected with the drain port interface 7 are closed, a valve on a pipeline connected with the oil inlet interface 4, a valve on a pipeline connected with the oil supplementing port interface 5 and a valve on a pipeline connected with the oil overflow port interface 6 are sequentially opened, lubricating oil flows out of an oil tank cavity from the oil overflow port interface 6, is pumped into a high-level oil tank through an external circulating oil pump on the oil overflow pipeline, then flows out of the high-level oil tank, passes through the oil inlet interface 4 after passing through the oil inlet pipeline or returns to the oil tank cavity through the oil supplementing port interface 5 after passing through the oil supplementing pipeline, and the circulation of the lubricating oil from an auxiliary oil tank device of the high-level oil tank oil filtering; in the sewage discharging stage, a valve on a pipeline connected with the peeping sampling port 3, a valve on a pipeline connected with the oil inlet interface 4, a valve on a pipeline connected with the oil supplementing interface 5 and a valve on a pipeline connected with the oil spilling interface 6 are closed, the valve on the pipeline connected with the sewage discharging interface 7 is opened, and lubricating oil containing impurities such as welding slag, dust and the like flows out from the pipeline connected with the sewage discharging interface 7.