CN213132185U

CN213132185U - Turbine oil coalescence-separation type oil filter

Info

Publication number: CN213132185U
Application number: CN202021337489.9U
Authority: CN
Inventors: 张祖明
Original assignee: Chongqing Lushun Scientific & Technological Development Co ltd
Current assignee: Chongqing Lushun Scientific & Technological Development Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-05-07
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a turbine oil coalescence-separation type oil filter, which comprises an oil inlet valve, a prefilter and an oil pump which are sequentially connected through pipelines, wherein a first oil outlet of the oil pump is communicated with a first oil inlet of an oil outlet valve after being connected with a fine filter in series through a pipeline, a second oil outlet of the oil pump is communicated with a second oil inlet of the oil outlet valve after being connected with a coarse filter and a coalescence separator in series through pipelines, and pipelines on the front side and the rear side of the coalescence separator are respectively provided with a pre-filtration cut-off valve and a post-filtration cut-off valve; the coalescence separator includes the separator body, be connected with admission valve and discharge valve on the separation body respectively be provided with coalescence filter core and separation filter core in the separator body respectively, the separator body still is connected with the ponding jar. Through the arrangement of the pre-filtering, coarse-filtering and fine-filtering multistage filters and the coalescence separator, pollutants in oil can be effectively filtered and water can be removed.

Description

Turbine oil coalescence-separation type oil filter

Technical Field

The utility model relates to oil filter technical field, concretely relates to turbine oil coalescence-separation type oil filter.

Background

Steam turbines are widely used in the industries of thermal power, hydroelectric generating sets, nuclear power plants and the like. During the use process of the steam turbine, oil liquid of the steam turbine needs to be purified, so that the normal operation of a unit adjusting and lubricating system is ensured, and the maintenance period and the service life of the unit are prolonged.

However, the existing turbine oil filters are usually only simple one-layer or multi-layer filter screens, which have good filtering effect on large impurities but not ideal filtering effect on small particles. If water is mixed in the oil, the existing filter cannot filter the water well.

Disclosure of Invention

The utility model aims at providing a turbine oil coalescence-separation type oil filter, through in advance, thick, smart multistage filter and coalescence-separation ware's setting, pollutant, desorption moisture in can effective filtering fluid guarantee the oil quality.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a turbine oil coalescence-separation formula oil filter which the key lies in: the oil filter comprises an oil inlet valve, a pre-filter, an oil pump and a coarse filter which are sequentially connected through pipelines, wherein a first oil outlet of the coarse filter is communicated with a first oil inlet of an oil outlet valve after being connected with a fine filter in series through a pipeline switching valve, a second oil outlet of the coarse filter is communicated with a second oil inlet of the oil outlet valve after being connected with a coalescence separator in series through a pipeline, and a pre-filter cut-off valve and a post-filter cut-off valve are respectively arranged on the pipelines on the front side and the rear side of the coalescence separator;

the coalescence separator includes the separator body, be connected with admission valve and discharge valve on the separation body respectively this internal coalescence filter core and the separation filter core of being provided with respectively of separator, the separator body still is connected with the ponding jar, the water inlet of ponding jar is located between coalescence filter core and the separation filter core, the delivery port of ponding jar is connected with the drain pipe, dispose the drain valve on the drain pipe.

Furthermore, the water outlet of the water accumulation tank is communicated with the oil inlet of the oil pump through an oil return pipeline, and an oil return valve is arranged on the oil return pipeline.

Furthermore, a liquid level sensor is arranged in the water accumulation tank.

Furthermore, pressure gauges and pressure controllers are arranged on pipelines between the oil pump and the coarse filter and pipelines between the switching valve and the fine filter.

Furthermore, a pressure gauge is arranged on a pipeline between the coarse filter and the coalescence separator, and a flow meter is arranged on a pipeline on the front side of the oil outlet valve.

Furthermore, sewage pipes are respectively arranged on the coarse filter and the fine filter, and a sewage valve is arranged on the sewage pipe.

Furthermore, the oil inlet valve, the oil outlet valve, the stop valve, the pre-filtering stop valve and the post-filtering stop valve are all electromagnetic valves.

The utility model discloses a show the effect and be:

1. the oil filter can realize large-flow continuous treatment and has high treatment capacity. The filter has high filtration precision with large flow continuous processing capacity, large pollutant carrying capacity and long service life; the dehydration efficiency is high, the dehydration capability is strong, and the use effect is particularly obvious when the water content of oil is high; except for using the hydraulic pump and the motor which can bear high load and have low failure rate, no other moving parts are arranged in the system, the noise and the vibration are low, and the maintenance-free operation can be realized for a long time; various valves, joints and seals are safe and reliable, and the device is not leaked; the equipment is simple and convenient to operate and maintain.

2. The device can also be used as an oiling machine, as long as the oil path where the coalescence separator is positioned is closed, and a switching valve between the coarse filter and the fine filter is connected, at the moment, the device is equivalent to a secondary filtering oiling machine; or when the oil to be treated is too dirty, in order to avoid blocking the coalescence-separation filter element, the oil liquid is firstly filtered and then is subjected to coalescence-separation dehydration treatment.

3. The equipment is provided with a bypass system, when the coalescence-separation filter element needs to be replaced or cleaned, an air inlet valve is opened, then a water drain valve is opened to drain water in a water accumulation tank, then an oil return valve in the bypass system is communicated, and oil in the coalescence-separation device is quickly pumped out through an oil pump, so that the time for replacing the filter element can be greatly shortened.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.

As shown in fig. 1, a turbine oil coalescence-separation type oil filter comprises an oil inlet valve 1, a pre-filter 2, an oil pump 3 and a coarse filter 6 which are connected in sequence through pipelines, wherein a first oil outlet of the coarse filter 6 is connected in series with a switching valve 7 and a fine filter 8 through pipelines and then communicated with a first oil inlet of an oil outlet valve 9, a second oil outlet of the coarse filter 6 is connected in series with a coalescence-separation device 13 through pipelines and then communicated with a second oil inlet of the oil outlet valve 9, and pipelines on the front side and the rear side of the coalescence-separation device 13 are respectively provided with a pre-filtration cut-off valve 10 and a post-filtration cut-off valve 12;

coalescence-separator 13 includes separator body 131, be connected with admission valve 132 and discharge valve 133 on the separation body 131 respectively be provided with coalescence-filter element 134 and separation filter element 135 in the separator body 131 respectively, separator body 131 still is connected with ponding jar 14, the water inlet of ponding jar 14 is located between coalescence-filter element 134 and the separation filter element 135, be provided with level sensor 15 in the ponding jar 14, the delivery port of ponding jar 14 is connected with drain pipe 16, dispose drain valve 17 on the drain pipe 16.

Further, the water outlet of the water accumulation tank 14 is also communicated with the oil inlet of the oil pump 3 through an oil return pipeline 18, and an oil return valve 19 is arranged on the oil return pipeline 18.

Preferably, a pressure gauge 4 and a pressure controller 5 are arranged on a pipeline between the oil pump 3 and the coarse filter 6 and a pipeline between the switching valve 7 and the fine filter 8. A pressure gauge 11 is arranged on a pipeline between the coarse filter 6 and the coalescence separator 13, a flow meter is arranged on a pipeline at the front side of the oil outlet valve 9, a sewage discharge pipeline 20 is arranged on both the coarse filter 6 and the fine filter 8, and a sewage discharge valve 21 is arranged on the sewage discharge pipeline 20.

In this example, in order to realize automatic control, the oil inlet valve 1, the oil outlet valve 9, the cut-off valve, the pre-filter cut-off valve 10 and the post-filter cut-off valve 12 all adopt electromagnetic valves, and the pressure gauge 4, the flowmeter and the liquid level sensor all adopt electronic measuring instruments.

The following functions can be selected when the equipment is in operation:

a. when the oiling function is used for operation, the oil inlet pipe is connected to an oil tank to be treated, the oil storage tank is connected to equipment to be oiled, and the oil pump 3 is started after the oil inlet valve 1, the switching valve 7 and the oil outlet valve 9 are opened. Oil liquid enters an oil pump 3 through a pre-filter 2 at the front stage, is pumped into a coarse filter 6 through the oil pump 3, is filtered by a switching valve 7 and a fine filter 8, and is added with oil through an oil outlet.

b. When the free water removal function is used for operation, the oil inlet pipe and the oil outlet pipe are connected to an oil tank to be treated, and the oil pump 3 is started after the oil inlet valve 1, the pre-filter cut-off valve 10, the post-filter cut-off valve 12 and the oil outlet valve 9 are opened. The oil liquid passes through the prefilter 2, enters the oil pump 3, is pumped into the coarse filter 6 through the oil pump 3, enters the dehydrator, removes the oil liquid of free water, and returns to the oil tank to be treated through the oil outlet.

c. Along with impurity constantly blocks up the filter core in the operation process, when pressure risees gradually and reaches the settlement pressure, each valve is closed in the oil filter simultaneously in the alarm warning, and oil pump 3 stops work.

d. When the coalescence filter element or the separation filter element needs to be replaced or cleaned, the air inlet valve is opened, then the water drain valve is opened to drain the water in the water accumulation tank, then the oil return valve in the bypass system is connected, and the oil in the coalescence separator 13 is quickly pumped out through the oil pump 3, so that the time for replacing the filter element can be greatly shortened.

The technical scheme provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A turbine oil coalescence-separation type oil filter is characterized in that: the oil filter comprises an oil inlet valve, a pre-filter, an oil pump and a coarse filter which are sequentially connected through pipelines, wherein a first oil outlet of the coarse filter is communicated with a first oil inlet of an oil outlet valve after being connected with a fine filter in series through a pipeline switching valve, a second oil outlet of the coarse filter is communicated with a second oil inlet of the oil outlet valve after being connected with a coalescence separator in series through a pipeline, and a pre-filter cut-off valve and a post-filter cut-off valve are respectively arranged on the pipelines on the front side and the rear side of the coalescence separator;

the coalescence separator includes the separator body, be connected with admission valve and discharge valve on the separator body respectively be provided with coalescence filter core and separation filter core in the separator body respectively, the separator body still is connected with the ponding jar, the water inlet of ponding jar is located between coalescence filter core and the separation filter core, the delivery port of ponding jar is connected with the drain pipe, dispose the drain valve on the drain pipe.

2. The turbine oil coalescing-separating oil filter of claim 1, wherein: the water outlet of the water accumulation tank is also communicated with the oil inlet of the oil pump through an oil return pipeline, and an oil return valve is arranged on the oil return pipeline.

3. A turbine oil coalescing-separating oil filter according to claim 1 or 2, characterised in that: and a liquid level sensor is arranged in the water accumulation tank.

4. The turbine oil coalescing-separating oil filter of claim 1, wherein: pressure gauges and pressure controllers are arranged on pipelines between the oil pump and the coarse filter and pipelines between the switching valve and the fine filter.

5. The turbine oil coalescing-separating oil filter of claim 1, wherein: and a pressure gauge is arranged on a pipeline between the coarse filter and the coalescence separator, and a flow meter is arranged on a pipeline on the front side of the oil outlet valve.

6. The turbine oil coalescing-separating oil filter of claim 1, wherein: and the coarse filter and the fine filter are respectively provided with a sewage discharge pipeline, and the sewage discharge pipeline is provided with a sewage discharge valve.

7. The turbine oil coalescing-separating oil filter of claim 1, wherein: the oil inlet valve, the oil outlet valve, the stop valve, the pre-filtering stop valve and the post-filtering stop valve are all electromagnetic valves.