CN219389373U

CN219389373U - Dry-type gas holder sealing oil recycling treatment system

Info

Publication number: CN219389373U
Application number: CN202223460454.6U
Authority: CN
Inventors: 冯曼; 李连欢; 王贺建; �田�浩; 杨平
Original assignee: Tianjin New Tiangang United Special Steel Co Ltd
Current assignee: Tianjin New Tiangang United Special Steel Co Ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-07-21
Anticipated expiration: 2032-12-23

Abstract

The utility model belongs to the technical field of sealing oil, and particularly relates to a dry gas holder sealing oil recycling treatment system which comprises an oil outlet pipe, a treatment assembly and an oil return pipe, wherein two ends of the oil outlet pipe are respectively connected with a gas holder and the treatment assembly, the treatment assembly is connected with the gas holder through the oil return pipe, and sealing oil can be returned to the gas holder after being treated by the treatment assembly. The beneficial effects of the utility model are as follows: the sealing oil channel formed by the oil outlet pipe, the treatment component and the oil return pipe is arranged, so that the sealing oil to be treated is treated by the treatment component while passing through the channel and then is returned to the gas tank, the moisture content in the sealing oil can be effectively reduced, the oil-water separation characteristic of the sealing oil is controlled, the sealing oil can keep good demulsification capability, the stability of the sealing oil is improved, the energy utilization rate is improved, the waste is reduced, and the environment is protected.

Description

Dry-type gas holder sealing oil recycling treatment system

Technical Field

The utility model belongs to the technical field of dry gas holder sealing oil, and particularly relates to a dry gas holder sealing oil recycling treatment system.

Background

The dry gas holder uses sealing oil as a sealing medium between the edge of the piston and the wall of the gas holder, and the dry gas holder is increasingly commonly used, so that the use amount of the sealing oil is continuously increased. Because the gas contains moisture, the gas tank bottom is condensed into a layer of water, and the sealing oil is contacted with the layer of water to prevent the gas from leaking from the bottom, so that the moisture in the sealing oil is increased along with the use. The viscosity of the sealing oil is reduced, the sealing oil is emulsified due to the increase of the moisture content, the oil-water separation characteristic is poor, the sealing oil is oxidized and deteriorated by water, the stability of the oil is poor, the sealing oil can be corroded by the water, and the service life of the gas holder is shortened. Therefore, the sealing oil needs to be replaced completely after being used for 1-2 years so as to ensure that the air tightness of the sealing oil to the gas tank reaches the standard. However, the frequent replacement of the sealing oil is high in cost, and the sealing oil can only be used as dangerous waste to treat after being discharged from the cabinet body, and needs to be treated by a professional manufacturer, so that the environment is polluted and a large amount of treatment cost is required. Therefore, a dry type gas holder sealing oil recycling treatment system is needed to solve the technical problems.

Disclosure of Invention

The utility model aims to solve the problem of providing a dry type gas holder sealing oil recycling treatment system which can remove impurities and moisture in sealing oil under the low-temperature condition, recycle the gas holder sealing oil, ensure that each property of the sealing oil meets the recycling standard, reduce the oil cost and protect the natural environment.

In order to solve the technical problems, the utility model adopts the following technical scheme: a dry gas holder sealing oil recycling treatment system can be connected with a gas holder and is characterized in that: the gas tank oil return device comprises an oil outlet pipe, a processing assembly and an oil return pipe, wherein two ends of the oil outlet pipe are respectively connected with the gas tank and the processing assembly, the processing assembly is connected with the gas tank through the oil return pipe, and sealing oil can be returned to the gas tank after being processed by the processing assembly.

Further, the processing assembly comprises an oil filter, an oil-water separator, a circulating oil pump and a vacuum pump, wherein two ends of the oil filter are respectively connected with the oil outlet pipe and the oil-water separator, two ends of the circulating pump are communicated with an inner cavity of the oil-water separator, and a heater is arranged in the cavity and is communicated with the vacuum pump.

Further, the heater is a spiral pipeline.

Further, a heating medium is arranged in the pipeline, and two ends of the heating medium are respectively connected with the oil-water separator through a liquid inlet and a liquid outlet.

Further, the cavity is connected with a condenser through the vacuum pump.

Further, the oil-water separator is provided with a vacuum breather valve, and the vacuum breather valve is electrically connected with the vacuum pump.

Further, the oil-water separator is provided with a liquid level meter, a thermometer and a vacuum pressure gauge.

Further, the oil filter and/or the oil-water separator are/is provided with a drain valve.

Further, the oil filter is connected with the oil-water separator through a first pipeline, and a backwash valve is arranged between the first pipeline and the oil return pipe.

Further, the oil-water separator is connected with a gear oil pump through a second pipeline, and the gear oil pump is connected with the gas tank through an oil return pipe.

The utility model has the advantages and positive effects that: the sealing oil channel formed by the oil outlet pipe, the treatment component and the oil return pipe is arranged, so that the sealing oil to be treated is treated by the treatment component while passing through the channel and then is returned to the gas tank, the moisture content in the sealing oil can be effectively reduced, the oil-water separation characteristic of the sealing oil is controlled, the sealing oil can keep good demulsification capability, the stability of the sealing oil is improved, the energy utilization rate is improved, the waste is reduced, and the environment is protected.

Drawings

Fig. 1 is a schematic structural view of an embodiment provided by the present utility model.

In the figure:

1. a gas cabinet; 2. an oil outlet pipe; 3. a processing assembly; 31. an oil filter; 32. an oil-water separator; 321. a vacuum breather valve; 322. a liquid level gauge; 323. a thermometer; 324. a vacuum pressure gauge; 33. a circulating oil pump; 34. a vacuum pump; 35. a cavity; 36. a heater; 37. a condenser; 38. a blow-down valve; 39. a first pipeline; 5. an oil return pipe; 6. backwashing the valve; 7. a second pipeline; 8. and a gear oil pump.

Detailed Description

The utility model is further illustrated by the following examples and figures:

the technical scheme adopted by the utility model is as follows: as shown in fig. 1, a dry gas holder sealing oil recycling treatment system can be connected with a gas holder 1, and is characterized in that: the gas tank comprises an oil outlet pipe 2, a processing assembly 3 and an oil return pipe 5, wherein two ends of the oil outlet pipe 2 are respectively connected with the gas tank 1 and the processing assembly 3, the processing assembly 3 is connected with the gas tank 1 through the oil return pipe 5, and sealing oil can be returned to the gas tank 1 after being processed by the processing assembly 3. The technical scheme of this application is, set up the sealed oil passageway that is formed by play oil pipe 2, processing unit 3 and returns oil pipe 5, will seal oil and introduce processing unit 3 through play oil pipe 2 in, detach moisture and impurity in the sealed oil, after each item index satisfies the retrieval and utilization standard, recycle returns oil pipe 5 and introduces gas holder 1, carries out the recycling, can ensure that each item performance of sealed oil accords with the retrieval and utilization standard, reduces simultaneously and uses oily cost, protects natural environment. Of course, the sealing oil treated by the treatment unit 3 may be fed to a thin oil station after the sealing oil is qualified in water content and viscosity, and is not particularly limited herein.

Preferably, the processing assembly 3 comprises an oil filter 31, an oil-water separator 32, a circulating oil pump 33 and a vacuum pump 34, wherein two ends of the oil filter 31 are respectively connected with the oil outlet pipe 2 and the oil-water separator 32, two ends of the circulating pump 33 are communicated with a cavity 35 in the oil-water separator 32, and a heater 36 is arranged in the cavity 35 and is connected with the vacuum pump 34. When the sealing oil filter is used, sealing oil is firstly introduced into the oil filter 31 for primary filtration, most of water and impurities are removed, and then the sealing oil is introduced into the oil-water separator 32 for oil-water separation, so that the treatment efficiency is higher, the energy is saved, the circulating oil pump 33 is additionally communicated with the cavity 35, and the heating uniformity of the sealing oil is improved.

Preferably, the heater 36 is a spiral pipe, which can be fully contacted with the sealing oil, and can be heated uniformly, so that the condition of local overheating can not occur, and the oil is prevented from being heated and deteriorated. The design can fully utilize waste heat resources such as waste hot water, low-quality steam and the like of iron and steel enterprises, improve the energy utilization rate, reduce the energy waste and protect the environment. Note that the heater 36 may be made of stainless steel or red copper, and is not particularly limited herein.

Preferably, a heating medium is arranged in the pipeline, and two ends of the heating medium are respectively connected with the oil-water separator 32 through a liquid inlet and a liquid outlet. The heating medium can be hot water or steam, is not particularly limited herein, and can uniformly heat the sealing oil along with the flow of the heating medium in the pipeline, thereby improving the oil-water separation effect.

Preferably, the liquid inlet is provided with a liquid inlet valve. In this embodiment, open the feed liquor valve of feed liquor mouth department, make the pipeline be full of heating medium, heat sealed oil, after reaching appointed temperature, reduce the valve opening of feed liquor valve, reduce the medium flow and get into, even shut down the feed liquor valve, let sealed oil keep in appointed temperature range, can carry hot water or steam in the pipeline inside, waste heat resources such as waste water, low-quality waste heat steam of iron and steel enterprise can be fully utilized, running cost is low, improvement waste heat resource utilization ratio.

Preferably, the cavity 35 is connected to a condenser 37 by a vacuum pump 34. The oil temperature is low in the treatment process, and along with the pressure change of vacuumizing, the heating temperature of the sealing oil can be adjusted and controlled, so that the sealing oil sensitive to temperature is convenient to use, meanwhile, the damage of high temperature to the oil performance is avoided, the influence on the oil quality is small, and the treated sealing oil meets the use requirement.

Preferably, the oil-water separator 32 is provided with a vacuum breather valve 321, and the vacuum breather valve 321 is electrically connected to the vacuum pump 34. In this embodiment, the valve of the vacuum pump 34 is opened, and after the vacuum degree reaches a specified vacuum degree in the cavity 35, the vacuum breather valve 321 is opened to stabilize the pressure for a period of time, the water vapor led out by the vacuum pumping is sent to the condenser 37, cooled, condensed and discharged into a turbid ring for treatment, so as to prevent the environment from being polluted by the oil-containing steam. The boiling point of a heating medium is reduced by utilizing a vacuumizing mode, so that water is boiled and evaporated under the oil temperature condition of less than 100 ℃, the water content in the sealing oil is reduced, the heating vacuumizing temperature and the vacuum degree can be controlled according to the oil product characteristics, the heating of the oil product at a safe temperature is ensured, and the carbonization, decomposition and deterioration of the sealing oil are prevented. In this example, as the vacuum level is changed, the boiling point of water is changed, and the oil temperature is 5-10 ℃ higher than the corresponding boiling point.

Preferably, the oil-water separator 32 is provided with a liquid level gauge 322, a thermometer 323 and a vacuum pressure gauge 324. In this embodiment, the liquid level gauge 322, the thermometer 323 and the vacuum pressure gauge 324 are all connected with the cavity 35, so that the oil temperature and the liquid level can be conveniently observed, the vacuum pump 34 can vacuumize within the range of-96 kPa to-50 kPa, the boiling point of the corresponding sealing oil water is 33-82 ℃, the oil temperature is controlled at 38-87 ℃, the water in the oil can reach the boiling point evaporation, the oil-water separation is realized, and the water in the sealing oil is removed. The user can flexibly set various indexes according to the characteristics of the actual sealing oil, the specific limitation is not adopted here, and the applicability is stronger.

Preferably, the oil filter 31 and/or the oil separator 32 is provided with a blow down valve 38.

Preferably, the oil filter 31 and the oil-water separator 32 are connected through a first pipeline 39, and a backwash valve 6 is arranged between the first pipeline 41 and the oil return pipe 5 to realize automatic backwash of the pipelines.

Preferably, the oil-water separator 32 is connected with the gear oil pump 8 through the second pipeline 7, and the gear oil pump 8 is connected with the gas tank 1 through the oil return pipe 5.

Preferably, the level gauge 322, the thermometer 323, the vacuum pressure gauge 324 and the vacuum breather valve 321 are all electrically connected to the overall control box through sensors. The user can observe the display value of each index through the liquid crystal display of the main control box and operate, so that the intelligent degree of the equipment is improved, the use is flexible, the operation is convenient, the display is visual, and the construction efficiency is improved.

Embodiment one:

1. introducing sealing oil at the bottom of the gas tank 1 into the oil filter 31 through the oil outlet pipe 2, enabling the sealing oil to be firstly kept stand in the oil filter 31, and then starting the oil filter 31 to remove most of water and impurities through the blow-off valve 40;

2. introducing the sealing oil which is subjected to primary filtration in the oil filter 31 into the cavity 35, connecting the vacuum pump 34 with the cavity 35, and observing the oil temperature and the liquid level in time through the thermometer 323, the liquid level meter 322, the vacuum pressure meter 324 and the vacuum breather valve 321;

3. opening a liquid inlet valve at the liquid inlet to heat the sealing oil, and reducing the opening of the valve after the sealing oil reaches 38 ℃, so as to reduce the waste heat water flow and keep the sealing oil within the range of 38-43 ℃;

4. opening a valve of the vacuum pump 34, opening a vacuum breather valve 321 after the pressure in the oil-water separator reaches 96kPa, stabilizing the pressure for 20 minutes, sending the water vapor led out by vacuumizing into a condenser 37, cooling, condensing, discharging into a turbid ring for treatment, and preventing the environment from being polluted by oil-containing steam;

5. the boiling point of water is reduced by utilizing a vacuumizing mode, so that the water is boiled and evaporated under the oil temperature condition of 38-43 ℃, the oil-water separation is realized, and the water content in the sealing oil is reduced;

6. the sealing oil treated again by the oil-water separator 32 is sent to a lean oil station or a gas tank 1 after being qualified in water content and viscosity.

The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. A dry gas holder sealing oil recycling treatment system can be connected with a gas holder and is characterized in that: the gas tank comprises an oil outlet pipe, a processing assembly and an oil return pipe, wherein two ends of the oil outlet pipe are respectively connected with the gas tank and the processing assembly, the processing assembly is connected with the gas tank through the oil return pipe, and sealing oil can be returned to the gas tank after being processed by the processing assembly;

the treatment assembly comprises an oil filter, an oil-water separator, a circulating oil pump and a vacuum pump, wherein two ends of the oil filter are respectively connected with the oil outlet pipe and the oil-water separator, two ends of the circulating oil pump are communicated with a cavity in the oil-water separator, and a heater is arranged in the cavity and is communicated with the vacuum pump;

the heater is a spiral pipeline, a heating medium is arranged in the pipeline, and two ends of the heating medium are respectively connected with the oil-water separator through a liquid inlet and a liquid outlet.

2. The dry gas holder seal oil recycling treatment system according to claim 1, wherein: the cavity is connected with the condenser through the vacuum pump.

3. The dry gas holder seal oil recycling treatment system according to claim 2, wherein: the oil-water separator is provided with a vacuum breather valve, and the vacuum breather valve is electrically connected with the vacuum pump.

4. The dry gas holder seal oil recycling treatment system according to claim 1, wherein: the oil-water separator is provided with a liquid level meter, a thermometer and a vacuum pressure gauge.

5. The dry gas holder seal oil recycling treatment system according to claim 1, wherein: the oil filter and/or the oil-water separator are/is provided with a blow-down valve.

6. The dry gas holder seal oil recycling treatment system according to claim 1, wherein: the oil filter is connected with the oil-water separator through a first pipeline, and a backwash valve is arranged between the first pipeline and the oil return pipe.

7. The dry gas holder seal oil recycling treatment system according to claim 1, wherein: the oil-water separator is connected with a gear oil pump through a second pipeline, and the gear oil pump is connected with the gas tank through the oil return pipe.