CN215256521U

CN215256521U - Oil gas treatment system and mechanical equipment

Info

Publication number: CN215256521U
Application number: CN202120362143.2U
Authority: CN
Inventors: 张鹏; 张日奎; 王建伟; 纪晓磊; 毛竹青; 毛明朝; 吕亮; 李心成
Original assignee: Yantai Jereh Petroleum Equipment and Technologies Co Ltd
Current assignee: Yantai Jereh Petroleum Equipment and Technologies Co Ltd
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-12-21
Anticipated expiration: 2031-02-09

Abstract

An oil and gas treatment system and mechanical equipment. The oil-gas treatment system comprises an oil-gas separation device and a first oil-gas conveying device. The oil-gas separation device is configured to perform oil-gas separation treatment on oil gas generated by the oil-gas generation device, and comprises a lubricating oil tank for containing lubricating oil; the first oil-gas conveying device is communicated with the lubricating oil tank and is configured to convey at least part of oil gas to the lubricating oil tank, the lubricating oil tank is configured to separate the oil gas conveyed to the lubricating oil tank, and separated oil products are left in the lubricating oil tank. The oil-gas treatment system provided by the embodiment of the disclosure utilizes the lubricating oil tank to carry out oil-gas separation on oil gas generated by the oil-gas generation device, is easy to operate, does not need to be additionally provided with an oil-gas separation device, simplifies the structure of the oil-gas treatment system and saves the cost.

Description

Oil gas treatment system and mechanical equipment

Technical Field

Embodiments of the present disclosure relate to an oil and gas treatment system and a mechanical device.

Background

Some mechanical devices, including, for example, internal combustion engines, including, for example, turbine engines, operate by combusting fuel to provide power to produce a large amount of oil and gas or oil mist in the combustion chamber. The fuel of the machinery, after being combusted in the combustion chamber of the turbine engine, generates a large amount of oil gas or oil mist, which is a mixture of gas and fine oil droplets. If these oil and gas or oil mist is discharged directly to the external environment through other structures of the mechanical equipment, the oil and gas or oil mist may cause damage or pollution to other structures of the equipment and pollute the external environment.

SUMMERY OF THE UTILITY MODEL

The embodiment of the disclosure provides an oil-gas treatment system, which comprises an oil-gas separation device and a first oil-gas conveying device. The oil-gas separation device is configured to perform oil-gas separation treatment on oil gas generated by the oil-gas generation device, and comprises a lubricating oil tank for containing lubricating oil; the first oil-gas conveying device is communicated with the lubricating oil tank and is configured to convey at least part of oil gas to the lubricating oil tank, the lubricating oil tank is configured to separate the oil gas conveyed to the lubricating oil tank, and separated oil products are left in the lubricating oil tank.

For example, in an oil and gas treatment system provided by at least one embodiment of the present disclosure, the lubricating oil is contained in the lubricating oil tank, and the first oil and gas delivery device is configured to inject the oil and gas onto the surface of the lubricating oil; alternatively, the first oil and gas delivery device is configured to inject the oil and gas onto the inner wall of the lubricating oil tank; or a blocking structure is arranged in the lubricating oil tank, and the first oil and gas conveying device is configured to inject the oil and gas to the blocking structure.

For example, in an oil and gas treatment system provided in at least one embodiment of the present disclosure, the lubrication oil tank contains lubrication oil, and the outlet of the first oil and gas delivery device is located in the lubrication oil tank and spaced apart from the lubrication oil.

For example, in an oil and gas treatment system provided by at least one embodiment of the present disclosure, the outlet of the first oil and gas delivery device has a wedge-shaped opening that faces the level of the lubricating oil or the blocking structure or the inner wall of the lubricating oil tank, and the oil and gas is injected into the lubricating oil tank through the wedge-shaped opening.

For example, at least one embodiment of the present disclosure provides the oil and gas treatment system further comprising a mesh structure located at the wedge-shaped opening and comprising a plurality of mesh openings configured to allow the oil and gas to be injected from the first oil and gas transfer device through the plurality of mesh openings to the surface of the lubricating oil or the barrier structure or the inner wall of the lubricating oil tank.

For example, in an oil and gas treatment system provided by at least one embodiment of the present disclosure, the oil and gas is directly introduced into the lubrication oil tank from the oil and gas generation device through the first oil and gas delivery device.

For example, in the oil and gas treatment system provided by at least one embodiment of the present disclosure, the oil and gas separation device includes a plurality of cascaded oil and gas separation devices, each stage of the oil and gas separation device performs oil and gas separation treatment on the oil and gas, wherein the lubricating oil tank is one of the plurality of cascaded oil and gas separation devices; the oil and gas treatment system further comprises: the oil quantity detection device comprises a gas discharge pipeline, an oil quantity detection module, a valve, an oil gas return pipeline and a control module. The gas discharge pipeline is communicated with the last stage of the oil-gas separation devices in the plurality of cascaded oil-gas separation devices and is communicated with the atmosphere; the oil amount detection module is configured to detect the oil content of the gas in the gas discharge pipeline; the valve is positioned in the gas discharge pipeline; the oil-gas return pipeline is communicated with the last stage sub oil-gas separation device and at least one of the plurality of cascaded sub oil-gas separation devices; the control module is configured to: if the oil content is less than or equal to a standard value, controlling the valve to be opened to discharge the gas product of the last stage of oil-gas separation device into the atmosphere through the gas discharge pipeline, and configuring as follows: and if the oil content is larger than the standard value, controlling the valve to be closed to return the gas product of the last stage oil-gas separation device to at least one of the cascaded oil-gas separation devices through the oil-gas return pipeline so as to continue the oil-gas separation treatment.

For example, at least one embodiment of the present disclosure provides the oil and gas treatment system further including an oil transportation device configured to transport the oil product separated by the oil and gas separation device except the lubricating oil tank among the plurality of cascaded oil and gas separation devices to the lubricating oil tank.

For example, at least one embodiment of the present disclosure provides an oil and gas treatment system further comprising a bottom lubrication oil tank and a bottom oil transportation device. A bottom lubrication oil tank is located at the bottom of the oil and gas production device and is configured to lubricate the oil and gas production device; the bottom oil delivery device is configured to deliver oil products separated by the oil-gas separation device except the lubricating oil tank among the plurality of cascaded oil-gas separation devices to the bottom lubricating oil tank.

For example, in an oil and gas treatment system provided by at least one embodiment of the present disclosure, the oil and gas generation device is in an operating state, and the air pressure in the bottom lubricating oil tank is greater than the atmospheric pressure; the oil gas generating device is in a non-working state, and the air pressure in the bottom lubricating oil tank of the machine is basically equal to the atmospheric pressure; the machine bottom oil conveying device is a one-way oil conveying device and comprises a machine bottom oil conveying pipeline and a one-way valve. The bottom oil pipeline is configured to collect and transport the oil product; a check valve is located in the base oil pipeline and configured to conduct the base oil pipeline in a single direction to control the oil product to be delivered from the oil-gas separation device except the oil tank among the plurality of cascaded oil-gas separation devices to the base oil tank through the check valve when the oil-gas generation device is in a non-operation state, without allowing the oil in the base oil tank to be delivered toward the oil-gas separation device except the oil tank among the plurality of cascaded oil-gas separation devices through the check valve.

For example, in the oil and gas treatment system provided in at least one embodiment of the present disclosure, the position of the oil and gas separation device other than the lube oil tank among the plurality of cascaded oil and gas separation devices in the gravity direction is higher than the position of the bottom lube oil tank in the gravity direction.

For example, in an oil and gas treatment system provided in at least one embodiment of the present disclosure, an oil and gas separation device other than the lubrication oil tank among the plurality of cascaded oil and gas separation devices includes a condensation device configured to perform condensation processing on the oil and gas to liquefy oil in the oil and gas.

For example, in the oil and gas treatment system provided by at least one embodiment of the present disclosure, the lubricating oil is contained in the lubricating oil tank, the outlet of the oil delivery device is connected to the lubricating oil tank, and the outlet of the oil delivery device is located below the level of the lubricating oil in the lubricating oil tank.

For example, at least one embodiment of the present disclosure provides an oil and gas treatment system further comprising: and the rear-level oil-gas separation device is cascaded with the lubricating oil tank and positioned behind the lubricating oil tank, and is configured to perform rear-level oil-gas separation treatment on at least part of the gas products separated from the lubricating oil tank.

For example, at least one embodiment of the present disclosure provides an oil and gas treatment system further including a filter disposed in the gas discharge pipeline, wherein gas in the gas discharge pipeline enters the atmosphere after being filtered by the filter.

For example, in an oil and gas treatment system provided in at least one embodiment of the present disclosure, the lubricant tank is a last stage of the plurality of cascaded oil and gas separation devices, and the lubricant tank includes a filter configured to filter a gas product separated from the lubricant tank, and the filtered gas is introduced into the atmosphere through the gas discharge pipe.

For example, in an oil and gas treatment system provided by at least one embodiment of the present disclosure, the condensing device includes a plurality of condensing pipes, the condensing pipes are filled with condensate and extend along a first direction, and the oil and gas passes through outer walls of the condensing pipes; the contour shape of the outer wall of each of the plurality of condensation pipes includes a bend extending in a first direction along which the oil gas passes through the outer wall of the condensation pipe.

For example, in the oil and gas treatment system provided by at least one embodiment of the present disclosure, the bend is in a zigzag shape or a wavy shape.

The embodiment of the disclosure also provides mechanical equipment, and the mechanical equipment comprises any one of the oil gas treatment system, the oil gas generation device, the speed reducer and the working machine provided by the embodiment of the disclosure. The oil gas generating device comprises an engine; the engine provides power for the working machine, and the speed reducer is connected between the engine and the working machine; the lubricating oil tank is configured to supply lubricating oil to at least one of the engine, the speed reducer, and the working machine.

For example, in a machine provided in at least one embodiment of the present disclosure, the engine is a turbine engine including a combustion chamber from which the oil and gas is discharged.

For example, in a mechanical apparatus provided in at least one embodiment of the present disclosure, the mechanical apparatus is a fracturing apparatus, and the working machine includes a plunger pump.

The oil-gas treatment system provided by the embodiment of the disclosure utilizes the lubricating oil tank to carry out oil-gas separation on oil gas generated by the oil-gas generation device, is easy to operate, does not need to be additionally provided with an oil-gas separation device, simplifies the structure of the oil-gas treatment system and saves the cost.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings of the embodiments will be briefly introduced below, and it is apparent that the drawings in the following description relate only to some embodiments of the present disclosure and are not limiting to the present disclosure.

FIG. 1 is a schematic illustration of an oil and gas treatment system provided in accordance with an embodiment of the present disclosure;

FIG. 2 is a schematic view of another hydrocarbon treatment system provided in an embodiment of the present disclosure;

FIG. 3 is a schematic view of yet another hydrocarbon treatment system provided in an embodiment of the present disclosure;

FIG. 4 is a schematic illustration of yet another hydrocarbon treatment system provided in an embodiment of the present disclosure;

FIG. 5 is a schematic view of yet another hydrocarbon treatment system provided in an embodiment of the present disclosure;

FIG. 6 is a schematic illustration of yet another hydrocarbon treatment system provided in an embodiment of the present disclosure;

FIG. 7 is a schematic illustration of yet another hydrocarbon treatment system provided in an embodiment of the present disclosure;

FIG. 8A is a first schematic diagram of the condensing unit of FIG. 7;

FIG. 8B is a second schematic diagram of the condensing unit of FIG. 7;

FIG. 9 is a schematic view of yet another hydrocarbon treatment system provided in an embodiment of the present disclosure;

FIG. 10A is a schematic illustration of yet another hydrocarbon treatment system provided in accordance with an embodiment of the present disclosure;

FIG. 10B is a schematic view of an oil and gas production device coupled to the base lubricant tank of FIG. 10A;

fig. 11 is a schematic diagram of a mechanical apparatus according to an embodiment of the disclosure.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

At least one embodiment of the present disclosure provides an oil and gas treatment system that includes an oil and gas separation device and a first oil and gas delivery device. The oil-gas separation device is configured to perform oil-gas separation treatment on oil gas generated by the oil-gas generation device, and comprises a lubricating oil tank for containing lubricating oil; the first oil-gas conveying device is communicated with the lubricating oil tank and is configured to convey at least part of oil gas to the lubricating oil tank, the lubricating oil tank is configured to separate the oil gas conveyed to the lubricating oil tank, and separated oil products are left in the lubricating oil tank.

The embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.

Fig. 1 is a schematic view of an oil and gas treatment system according to an embodiment of the present disclosure. As shown in fig. 1, the oil and gas treatment system 10 includes an oil and gas separation device configured to perform an oil and gas separation treatment on oil and gas produced by the oil and gas production device. The oil-gas separation device comprises a lubricating oil tank 1, and the lubricating oil tank 1 is used for containing lubricating oil. The oil and gas treatment system 10 further comprises a first oil and gas delivery device 2; first oil gas transmission device 2 and lubricating oil tank 1 intercommunication, and configure to at least partially carry the oil gas to lubricating oil tank 1 in, lubricating oil tank 1 configures to and separates the oil gas of carrying in lubricating oil tank 1, and the oil product of separating is stayed in lubricating oil tank 1. In the oil-gas generating device, since a plurality of parts need to be lubricated, a lubricating system including at least one lubricating oil tank needs to be provided. So, the oil-gas treatment system that this disclosure embodiment provided utilizes the lubricating-oil tank to carry out oil-gas separation to the oil gas that oil-gas production device produced, easily operates, need not set up oil-gas separation device in addition, has simplified oil-gas treatment system's structure, and practices thrift the cost.

For example, oil and gas producing devices include internal combustion engines, including, for example, engines that include a combustion chamber in which fuel is combusted to power operation of the engine, thereby producing a quantity of oil and gas (oil mist) within the combustion chamber as a result of the combustion of the fuel, the oil and gas including a gas and fine oil droplets suspended therein. It should be noted that in the embodiment of the present disclosure, the oil and gas generating device is not a lubricating oil tank.

As shown in fig. 1, for example, the lubricating oil tank 1 contains lubricating oil 7, and the first oil-gas delivery device 2 is configured to inject the oil-gas onto the liquid surface 70 of the lubricating oil 7, so that fine oil droplets in the oil-gas can be gathered and settled into the lubricating oil 7, thereby realizing oil-gas separation. For example the first oil and gas transfer device 2 comprises an oil and gas transfer conduit.

For example, as shown in fig. 1, the outlet 201 of the first oil-gas delivery device 2 is located in the lubricating oil tank 1 and is spaced from the lubricating oil, so as to avoid increasing the oil content in the oil-gas by directly introducing the oil-gas into the lubricating oil, and thus, the effect of oil-gas separation is more favorably improved.

For example, the first oil and gas delivery device 2 includes a first pipeline, and the first oil and gas delivery device 2 may further include other structures for delivering oil and gas, which are matched with the first pipeline, and reference is made to the conventional technology in the field, and the application is not limited thereto.

For example, as shown in fig. 1, the outlet 201 of the first oil and gas delivery device has a wedge-shaped opening, which is directed towards the surface 70 of the lubricating oil 7, through which the oil and gas is injected into the lubricating oil tank 1. The wedge-shaped opening is beneficial to increasing the emergent area of oil gas and improving the oil-gas separation efficiency.

For example, as shown in FIG. 1, the oil and gas treatment system 10 further comprises a mesh structure 5, the mesh structure 5 being located at the wedge-shaped opening and comprising a plurality of mesh openings configured to allow the oil and gas to be injected from the first oil and gas transfer device through the plurality of mesh openings to the surface 70 of the lubricating oil 7, the mesh structure 5 further separating the oil mist. For example, as shown in FIG. 1, the shape of the mesh includes a rectangle; in some embodiments, the shape of the mesh may include a circle, as shown in FIG. 2; in some embodiments, the shape of the mesh may also include diamonds, irregular patterns, etc., which are not limited by the embodiments of the present disclosure.

For example, the oil gas is directly introduced into the lubricating oil tank 1 from the oil gas generation device through the first oil gas delivery device 2, that is, the oil gas is discharged from the oil gas generation device, except for passing through the first oil gas delivery device 2, and is introduced into the lubricating oil tank 1 without any other structure, for example, the oil gas discharged from the combustion chamber of the turbine engine is directly introduced into the lubricating oil tank 1 through the first oil gas delivery device 2. So, lubricating-oil tank 1 is as first order oil-gas separation device, and basically all oil gas all can be let in lubricating-oil tank 1 in, can handle a large amount of oil gas with convenient, low-cost mode.

For example, the oil and gas treatment system further includes a gas discharge conduit 3, the gas discharge conduit 3 communicating with the lubricating oil tank 1 and communicating with the atmosphere; the gas product of the lubricating oil tank 1 is discharged to the atmosphere through the gas discharge conduit 3. For example, a filter 4 is disposed in the gas discharge pipeline 3, the gas in the gas discharge pipeline 3 enters the atmosphere after being filtered by the filter 4, and the filter contains substances capable of adsorbing oil drops and removing air pollutants such as sulfur dioxide, so as to further reduce the oil content in the gas product of the lubricating oil tank 1 and reduce or remove air pollutants such as sulfur dioxide in the gas product of the lubricating oil tank 1, ensure the quality of the gas entering the atmosphere and reduce the pollution of the gas discharged from the lubricating oil tank 1 to the atmosphere.

FIG. 2 is a schematic view of another hydrocarbon treatment system provided in an embodiment of the present disclosure. The embodiment shown in fig. 2 differs from the embodiment shown in fig. 1 in that the outlet 201 of the first oil-gas delivery device 2 is located in the lubricating oil tank 1 and is spaced apart from the lubricating oil and is opposite to the liquid surface 70 of the lubricating oil 7, so that a large amount of tiny oil drops in the oil-gas collide on the liquid surface 70, are more rapidly accumulated and are liquefied, and the oil-gas separation efficiency is improved. For example, in some embodiments, the outlet 201 comprises a wedge-shaped opening that faces the surface 70 of the lubricating oil. Of course, in some embodiments, the cross-section of the outlet 201 is not wedge-shaped in shape. For example, the distance between the outlet 201 of the first oil-gas conveying device 2 and the liquid level of the lubricating oil 70 is less than or equal to 10cm, and the smaller distance is beneficial to increasing the liquefaction speed of a large number of micro oil drops in oil gas on the liquid level, and further improving the efficiency and the effect of oil-gas separation. Other features and technical effects of the oil and gas treatment system shown in fig. 2 are the same as those of fig. 1, please refer to the previous description.

FIG. 3 is a schematic view of another hydrocarbon treatment system provided in an embodiment of the present disclosure. The embodiment shown in fig. 3 is different from the embodiment shown in fig. 1 in that a blocking structure 6 is arranged in the lubricating oil tank 1, and the first oil and gas delivery device 2 is configured to inject the oil and gas onto the blocking structure 6, so that compared with the air injected into the cavity, the impact of tiny oil drops in the oil and gas can be increased, the gathering of tiny oil drops in the oil and gas is facilitated, and the liquefaction of tiny oil drops is facilitated. For example, the blocking structure 6 is provided on the tank wall of the lubricating oil tank 1, for example in the present embodiment, the blocking structure 6 is provided on the upper tank wall opposite to the liquid level 70 of the lubricating oil 7. The wedge-shaped opening 201 facilitates the guiding of the oil and gas jet towards the barrier structure 6. For example, the conduit of the output end of the first oil and gas delivery device 2 is vertical and the blocking structure 6 is inclined, intersecting the conduit of the output end of the first oil and gas delivery device 2; for example, the surface of the blocking structure 6 facing the wedge-shaped opening 201 is parallel to the plane in which the wedge-shaped opening 201 is located; for example, the outlet of the first oil and gas delivery device 2 faces the blocking structure 6. Other features and technical effects of the oil and gas treatment system shown in fig. 3 are the same as those of fig. 1, please refer to the previous description.

FIG. 4 is a schematic view of another hydrocarbon treatment system provided in an embodiment of the present disclosure. The embodiment shown in fig. 4 differs from the embodiment shown in fig. 3 in that the blocking structures 6 are arranged differently. As shown in fig. 4, for example, the blocking structure 6 is provided on the lower bottom wall of the lubricating oil tank 1, on the lower bottom wall of the lubricating oil tank 1 that is covered with lubricating oil. For example, the blocking structure 6 is provided on the lower bottom wall of the lubricating oil tank 1 that is covered with lubricating oil, and a part of the blocking structure 6 is immersed in the lubricating oil. The first hydrocarbon delivery device 2 is configured to inject the hydrocarbon onto the barrier structure 6. For example, the pipe of the output end of the first oil and gas delivery device 2 is inclined, and the blocking structure 6 is perpendicular to the lower bottom wall of the lubricating oil tank 1. For example, the surface of the barrier structure 6 facing the wedge-shaped opening 201 is parallel to the plane of the wedge-shaped opening 201, so that the wedge-shaped opening 201 facilitates guiding the oil gas jet towards the barrier structure 6. Other features and technical effects of the oil and gas treatment system shown in fig. 4 are the same as those of fig. 3, please refer to the previous description.

FIG. 5 is a schematic view of another hydrocarbon treatment system provided in an embodiment of the present disclosure. The embodiment shown in fig. 5 differs from the embodiment shown in fig. 1 in that the first oil and gas delivery device 2 is arranged to inject the oil and gas onto the inner wall 101 of the lubricating oil tank 1. So, compare in the air of spouting to the cavity, can increase the striking of the tiny oil drop in the oil gas more, do benefit to the gathering of the tiny oil drop in the oil gas to do benefit to the liquefaction of tiny oil drop. For example, the outlet 201 comprises a wedge-shaped opening, which is directed towards the inner wall 101 of the lubricating oil tank 1. For example, the outlet of the first oil and gas delivery device 2 faces the inner wall 101 of the lubricant tank 1, i.e. the wedge-shaped opening faces the inner wall of the lubricant tank 1. Other features and technical effects of the oil and gas treatment system shown in fig. 3 are the same as those of fig. 1, please refer to the previous description.

FIG. 6 is a schematic view of another hydrocarbon treatment system provided in an embodiment of the present disclosure. The embodiment shown in fig. 6 differs from the embodiment shown in fig. 1 in that the first oil and gas transfer device 2 comprises a plurality of outlet ducts through which oil and gas is led into the lubricating oil tank 1. For example, the first oil and gas delivery device 2 comprises a first outlet conduit 21 and a second outlet conduit 22; the first output duct 21 comprises a first outlet 201, the second output duct 22 comprises a second outlet 202; the first outlet 201 faces the inner wall of the lubricating oil tank 1, and the first output pipeline 21 is configured to inject oil gas onto the inner wall of the lubricating oil tank 1; the second outlet 202 is directed towards the surface 70 of the lubricating oil 7 and the first outlet conduit 21 is configured to inject oil and gas onto the surface of the lubricating oil. Therefore, the treatment efficiency of oil-gas separation can be increased, the superposition of the technical effects of various oil-gas injection modes is obtained, and a better oil-gas separation effect is obtained. Other features and technical effects of the oil and gas treatment system shown in fig. 3 are the same as those of fig. 1, please refer to the previous description.

For example, in some embodiments, the oil-gas separation device comprises a plurality of cascaded oil-gas separation devices, each oil-gas separation device performs oil-gas separation treatment on the oil gas, and the lubricating oil tank is one of the cascaded oil-gas separation devices. For example, the oil-gas separation device further includes an oil transfer device configured to transfer the oil product separated by the oil-gas separation device other than the lubricating oil tank among the plurality of cascaded oil-gas separation devices to the lubricating oil tank.

For example, the oil-gas separation device other than the lubricating oil tank among the plurality of cascaded oil-gas separation devices includes a condensing device configured to perform a condensation process on the oil gas to liquefy the oil in the oil gas.

Illustratively, fig. 7 is a schematic view of yet another hydrocarbon treatment system provided in an embodiment of the present disclosure. As shown in fig. 7, the oil gas separation device except the lubricant oil tank 1 among the plurality of cascaded oil gas separation devices includes a condensing device 82, and the condensing device 82 includes that oil gas generated by the oil gas generation device is input to the condensing device 82 through a second oil gas delivery device 821. For example, the second oil and gas delivery device 821 includes an oil and gas delivery conduit. Condensing unit 82 carries out condensation to the oil gas so that the oil in the oil gas liquefies, and the gaseous result after condensing unit 82 to oil gas processing gets into in lubricating-oil tank 1 through first oil gas conveyor 2 in order to carry out next grade oil-gas separation, and the oil result after condensing unit 82 to oil gas processing passes through oil delivery device 9 and carries to lubricating-oil tank 1 in to recycle, in order to be used as the lubricating oil to equipment such as oil mist production device. In this way, the condensing unit 82 and the lubricating oil tank constitute a two-stage cascade oil-gas separation device. The manner of oil-gas separation of the lubricating oil tank 1 in fig. 7 is as described in the previous embodiment, and will not be described herein.

For example, as shown in fig. 7, an outlet of the oil delivery device 9 is connected to the lubricating oil tank 1, and the outlet of the oil delivery device 9 is located below a liquid level 70 of the lubricating oil 7 in the lubricating oil tank 1, that is, on a side of the liquid level 70 away from a space above the lubricating oil 7. In order to avoid influencing the oil content in the gas product of the oil-gas separation in the lubricating oil tank 1.

For example, as shown in fig. 7, the oil and gas treatment system 10 includes a gas discharge line 3, an oil amount detection module 11, a first valve 121, an oil and gas return line 30, and a control module. The gas discharge pipeline 3 is communicated with the last stage of the plurality of cascaded oil-gas separation devices, which is the lubricating oil tank 1 in the embodiment, and is communicated with the atmosphere. The oil amount detection module 11 is configured to detect the oil content of the gas in the gas discharge duct 3; a first valve 121 is located in said gas discharge conduit 3; the oil and gas return pipe 30 communicates the last stage oil and gas separating device, i.e., the lubricating oil tank 1, with the condensing device 82. The control module is configured to: if the oil content of the gas in the gas discharge pipeline 3 is less than or equal to the standard value, the first valve 121 is controlled to be opened to discharge the gas product of the last stage oil-gas separation device, namely the lubricating oil tank 1, into the atmosphere through the gas discharge pipeline 3, and is configured to: if the oil content of the gas in the gas discharge conduit 3 is greater than the standard value, the first valve 121 is controlled to be closed, and the second valve 122 located in the oil gas return conduit 30 is controlled to be opened, so that the gas product of the last stage of oil gas separation device, i.e. the lubricating oil tank 1, is returned to the condensing device 82 through the oil gas return conduit 30 to continue the oil gas separation process, and then the closed cycle system is started. In other embodiments, the oil and gas return conduit may also be connected from the lube oil tank 1 to the second oil and gas delivery device 821 to return the gas products in the lube oil tank 1 to the condensing device 82 for further condensation processing and thus further oil and gas separation.

For example, the control module may be, but is not limited to: memory, central processing unit, singlechip, microprocessor or programmable logic device. It will be appreciated that the memory may be volatile memory or non-volatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic random access memory (ddr Data Rate SDRAM, ddr SDRAM), Enhanced Synchronous SDRAM (ESDRAM), Synchlink DRAM (SLDRAM), and Direct Rambus RAM (DRRAM). Memory is intended to comprise, without being limited to, these and any other suitable types of memory.

For example, the lubricating oil tank 1 serves as the last stage in a plurality of cascaded oil-gas separation apparatuses. Generally, the lubricating oil tank 1 comprises a gas pressure balance pipeline which is communicated with the lubricating oil tank 1 and the atmosphere, and a filter is arranged in the gas pressure balance pipeline, so that the lubricating oil tank 1 is used as the last stage of a plurality of cascaded oil-gas separation devices, the gas pressure balance pipeline can be used as a gas discharge pipeline 3, a gas product separated from the lubricating oil tank 1 is filtered by the filter 4 which is arranged in the lubricating oil tank 1, and the filtered gas enters the atmosphere through the gas discharge pipeline, so that the gas discharged into the atmosphere is not required to be further purified by additionally arranging the gas discharge pipeline and the filter on the oil-gas separation device at the last stage, the structure is simplified, and the cost is saved.

Fig. 8A is a first schematic diagram of the condensing device in fig. 7. As shown in fig. 8A, the condensing device includes a plurality of condensing pipes 820, the condensing pipes 820 are filled with condensate and extend in a first direction, the oil gas passes through outer walls of the condensing pipes 820, oil in the oil gas is liquefied at the outer walls of the condensing pipes 820, flows along the outer walls of the condensing pipes 820, is collected in the oil transportation device 9, and is transported to the lubricating oil tank through the oil transportation device 9. For example, the oil and gas are input along the direction perpendicular to the first direction, but the oil and gas can be input along other directions.

Fig. 8B is a second schematic diagram of the condensing unit in fig. 7. As shown in fig. 8B, the contour shape of the outer wall of each of the plurality of condensation ducts 820 includes a bend extending in a first direction in which the oil gas passes through the outer wall of the condensation duct 820. Therefore, in the process that the airflow of the oil gas flows through the bent outer walls of the plurality of condensation pipes 820, a large amount of micro oil drops in the oil gas collide with the bent outer walls more, the liquefaction rate and the liquefaction amount of the oil in the oil gas are improved, and the efficiency and the effect of oil-gas separation are improved. For example, the bend is in the form of a dogleg. Of course, in other embodiments, the bending may also have other properties such as a wavy line shape, and the embodiment of the present disclosure does not limit this.

FIG. 9 is a schematic view of yet another hydrocarbon treatment system provided in an embodiment of the present disclosure. For example, as shown in FIG. 9, the oil and gas treatment system has the following differences from the oil and gas treatment system shown in FIG. 7. On the basis of the oil-gas treatment system shown in fig. 7, the plurality of cascaded oil-gas separation devices further include a preceding stage hetero oil-gas separation device 81; the oil gas is conveyed to the preceding stage oil-gas separation device 81 through the third oil-gas conveying device 23, for example, the third oil-gas conveying device 23 includes an oil-gas conveying pipeline; the preceding stage oil-gas separation device 81 is configured to condense the oil gas to liquefy the oil in the oil gas, and is cascaded with the condensing device 82 and located before the condensing device 82. The gas product after oil-gas treatment by the pre-stage oil-gas separating device 81 enters the condensing device 82 through the fourth oil-gas conveying device 24 to be subjected to the next-stage oil-gas separation, and the oil product after oil-gas treatment by the pre-stage oil-gas separating device 81 is conveyed into the lubricating oil tank 1 through the first oil conveying device 91 to be recycled and used as lubricating oil for oil mist generating devices and other devices. For example, the fourth oil and gas delivery device 24 comprises an oil and gas delivery conduit. The gas product after oil gas treatment by the condensing device 82 enters the lubricating oil tank 1 through the first oil gas conveying device 2 to perform the next-stage oil gas separation, and the oil product after oil gas treatment by the condensing device 82 is conveyed into the lubricating oil tank 1 through the second oil conveying device 92 to be recycled so as to be used as lubricating oil for oil mist generating devices and other equipment. The oil-gas return line 300 communicates the last stage oil-gas separation device, i.e., the lubricating oil tank 1, with the preceding stage oil-gas separation device 81. The control module is configured to: if the oil content of the gas in the gas discharge pipeline 3 is less than or equal to the standard value, the first valve 121 is controlled to be opened to discharge the gas product of the last stage oil-gas separation device, namely the lubricating oil tank 1, into the atmosphere through the gas discharge pipeline 3, and is configured to: if the oil content of the gas in the gas discharge pipeline 3 is greater than the standard value, the first valve 121 is controlled to be closed, and the second valve 122 in the oil-gas return pipeline 300 is controlled to be opened, so that the gas product of the last stage of oil-gas separation device, i.e. the lubricating oil tank 1, is returned to the preceding stage of the oil-gas separation device 81 through the oil-gas return pipeline 300 to continue the oil-gas separation process. Of course, the oil gas return conduit 300 may communicate the last stage oil gas separation device, i.e. the lube oil tank 1, with the preceding stage oil gas separation device 81 and/or the condensing device 82, i.e. the oil gas return conduit communicates the last stage oil gas separation device with at least one of the plurality of cascaded oil gas separation devices. For example, the front stage air-oil separator 81 is an air-oil separator, and the conventional technique in the art can be adopted. The manner of oil-gas separation of the lubricating oil tank 1 in fig. 7 is as described in the previous embodiment, and will not be described herein.

For example, based on the hydrocarbon treatment system shown in fig. 9, in other embodiments, the hydrocarbon treatment system may include a plurality of cascaded hydrocarbon processors 81; it is also possible to provide an oil and gas treatment or a plurality of cascaded oil and gas treatment or condensation units after the lubricating oil tank 1.

In the embodiment shown in fig. 7, the oil and gas treatment system comprises a preceding stage oil and gas separation device, i.e. a condensation device 82, which is cascaded with the lubricating oil tank 1 and located before the lubricating oil tank 1. For example, in further embodiments, the oil and gas treatment system may further comprise a post-stage oil and gas separation device cascaded with the lubricant tank 1 and located after the lubricant tank 1, configured to perform a post-stage oil and gas separation treatment on at least part of the gas products separated from the lubricant tank. So, usable lubricating-oil tank 1 handles a large amount of oil mist to alleviate back level oil gas separator's burden, reduce back level oil gas separator's handling capacity, do benefit to the life who improves back level oil gas separator, practice thrift the cost.

Fig. 10A is a schematic diagram of yet another oil and gas treatment system provided by an embodiment of the present disclosure, and fig. 10B is a schematic diagram of an oil and gas generation device coupled to the bottom lubrication oil tank of fig. 10A. 10A-10B, the oil and gas producing device is a turbine engine, for example. For example, the oil and gas treatment system 10 also includes a base lube tank 104 and a base oil transfer unit. The bottom lubricating oil tank 104 is located at the bottom of the oil-gas generating device and is internally provided with lubricating oil. For example, the hydrocarbon producing device includes a power take-off module 101, an air compressor 102 coupled to the power take-off module 101, and a combustor 103 coupled to the air compressor 102. For example, the combustion chamber 103 is located on the side of the air compressor 102 remote from the power take-off module 101, and blades of the turbine are disposed in the combustion chamber 103. The power take-off module 101 is configured to transmit power generated by the rotation of the blades of the turbine in the combustion chamber to the working machine. For example, the power take-off module 101 includes a shaft and a bearing, for example, the shaft is connected with a rotating disk of blades of the turbine to transmit power generated by the rotation of the blades of the turbine. Specific turbine engine configurations may be designed in accordance with conventional techniques in the art, and the present disclosure is not limited thereto, and FIG. 10B is exemplary only. For example, in the embodiment shown in FIG. 10B, the bottom lubrication tank 104 is located at the bottom of the power take-off module 101 and is configured to lubricate the oil and gas generation device, including, for example, lubricating components of at least one of the power take-off module 101, the air compressor 102, and the combustion chamber 103 of the oil and gas generation device that require lubrication, such as the aforementioned shafts and bearings. For example, the lubricant in the bottom lubricant tank 104 may be delivered to the components requiring lubrication through a conduit. As shown in fig. 10A, the bottom oil transportation device is configured to transport the oil product separated by the oil-gas separation device except the lubricating oil tank 1 among the plurality of cascaded oil-gas separation devices to the bottom lubricating oil tank 104 to use the oil product as lubricating oil, thereby achieving the recycling of the oil product.

When the oil gas generating device is in an operating state, the air pressure in the bottom lubricating oil tank 104 is greater than the atmospheric pressure, and usually the air pressure in the oil gas separating devices except the lubricating oil tank 1 among the plurality of cascaded oil gas separating devices is balanced with the atmospheric pressure, that is, the air pressure in the bottom lubricating oil tank 104 is greater than the air pressure in the oil gas separating devices except the lubricating oil tank 1 among the plurality of cascaded oil gas separating devices; when the oil and gas producing device is not in operation, the air pressure in the bottom lubrication oil tank 104 is substantially equal to the atmospheric pressure. In this case, when the oil gas generating apparatus is in an operating state, the oil product cannot naturally flow into the bottom lubricating oil tank 104 from the oil-gas separating device other than the lubricating oil tank 1 among the plurality of cascaded oil-gas separating devices by the air pressure difference between the bottom lubricating oil tank 104 and the oil-gas separating device other than the lubricating oil tank 1 among the plurality of cascaded oil-gas separating devices without applying a forcible force. As shown in fig. 10A, for example, the machine bottom oil transportation device is a one-way oil transportation device, and includes a machine bottom oil transportation pipeline and a one-way valve 123. The bottom oil pipeline is configured to collect and transport the oil product. For example, the bottom oil pipelines include a first bottom oil pipeline 93, a second bottom oil pipeline 94, and a bottom oil pipeline 95. For example, the check valve 123 is located in the bottom oil pipeline 95 of the collecting machine and is configured to conduct the bottom oil pipeline in one direction to control the oil product to be delivered to the bottom lube tank 104 from the oil-gas separation devices except the lube tank among the plurality of cascaded oil-gas separation devices through the check valve 123 when the oil-gas generation device is in a non-operation state, while not allowing the lube oil in the bottom lube tank 104 to be delivered toward the oil-gas separation devices except the lube tank 1 among the plurality of cascaded oil-gas separation devices through the check valve 123 to prevent the lube oil in the bottom lube tank 104 from flowing backward to the oil-gas separation devices except the lube tank 1 among the plurality of cascaded oil-gas separation devices. For example, the first bottom oil pipeline 93 is configured to convey the oil products of the preceding stage oil-gas separation device 81 to the bottom lubricating oil tank 104; the second bottom oil delivery conduit 93 is configured to deliver oil product of the condensing unit 82 to a bottom lube oil tank 104; the bottom oil pipeline 95 of the collecting machine collects oil products in the first bottom oil pipeline 93 and the second bottom oil pipeline 94. In other embodiments, one-way valves may be provided in the first and second

bottom oil pipelines

93 and 94, respectively.

For example, the oil-gas separation devices other than the lubricating oil tank 1, such as the preceding stage oil-gas separation device 81 and the condensing device 82, the position in the gravity direction is higher than the position of the bottom lubricating oil tank 104 in the gravity direction, namely, in operation, the height of the oil-gas separation device except the lubricating oil tank 1 in the plurality of cascaded oil-gas separation devices relative to the ground is higher than that of the bottom lubricating oil tank 104, so that in the non-working state of the oil and gas production device, the oil products of the oil and gas separation devices except the lubricating oil tank 1 among the plurality of cascaded oil and gas separation devices can flow into the bottom lubricating oil tank 104 under the action of gravity, the structure of the oil and gas treatment system is simplified compared with the necessity of additionally providing a power device such as an oil pump to convey the oil product to the bottom lubricating oil tank 104.

For example, at least one embodiment of the present disclosure further provides an oil and gas treatment method for any one of the oil and gas treatment systems provided by the embodiments of the present disclosure. The oil and gas treatment method comprises the following steps: and at least partially conveying the oil gas into the lubricating oil tank, separating the oil gas conveyed into the lubricating oil tank by the lubricating oil tank, and leaving the separated oil product in the lubricating oil tank.

For example, the lubricating oil tank is filled with lubricating oil, and the oil-gas treatment method further comprises the following steps: and injecting the oil gas onto the surface of the lubricating oil; alternatively, the oil and gas treatment method further comprises: injecting the oil gas to the inner wall of the lubricating oil tank; or, a blocking structure is arranged in the lubricating oil tank, and the oil-gas treatment method further comprises the following steps: injecting the hydrocarbon onto the barrier structure.

For example, a method of hydrocarbon treatment, comprising: and directly introducing the oil gas into the lubricating oil tank from the oil gas generating device.

For example, when the gas separation device comprises a plurality of cascaded oil-gas separation devices, each stage of oil-gas separation device performs oil-gas separation treatment on oil gas, and the lubricating oil tank is used as one of the cascaded oil-gas separation devices. And, when the oil and gas treatment system 10 includes the gas discharge pipeline 3, the oil amount detection module 11, the first valve 121, the oil and gas return pipeline 30 and the control module, the oil and gas treatment method further includes: detecting an oil content of the gas in the gas discharge conduit; and judging whether the oil content reaches a discharge standard or not, and if the oil content is less than or equal to a standard value, controlling the valve to be opened so as to discharge the gas product of the last-stage oil-gas separation device into the atmosphere through the gas discharge pipeline; and if the oil content is larger than the standard value, controlling the valve to be closed and returning the gas product of the last stage of the oil-gas separation device to at least one of the plurality of cascaded oil-gas separation devices for continuing the oil-gas separation treatment.

For example, an oil and gas treatment method comprises: conveying an oil product of an oil-gas separation device other than the lubricating oil tank among the plurality of cascaded oil-gas separation devices to the lubricating oil tank, for example, the oil-gas treatment method includes: and carrying out condensation treatment on the oil gas so as to liquefy oil in the oil gas.

The specific treatment methods and process flows may be referred to and will not be repeated with respect to the description of the embodiments of the oil and gas treatment system shown in fig. 1-9. The features and technical effects described with respect to the embodiments of the hydrocarbon treatment system illustrated in fig. 1-9 are applicable to all of the claimed subject matter of this disclosure.

At least one embodiment of the present disclosure also provides a mechanical device. As shown in fig. 11, the mechanical equipment 100 includes any one of the oil and gas treatment systems provided by the embodiments of the present disclosure. The mechanical equipment 100 further comprises an oil gas generating device, a speed reducer and a working machine; the oil gas generating device comprises an engine; the engine provides power for the working machine, and the speed reducer is connected between the engine and the working machine. The above-described lubricating oil tank is configured to supply lubricating oil to at least one of the engine, the speed reducer, and the working machine. For example, a work machine includes any device that requires an engine to power it. For example, the mechanical device is a fracturing device and the working machine includes a plunger pump. For example, in other embodiments, the mechanical device is a fracturing device, for example, and the work machine may further include a generator. Of course, the mechanical device may be other types of devices.

For example, the engine is a turbine engine that includes a combustion chamber from which the aforementioned gasses are discharged. Of course the engine is not limited to being a turbine engine.

The following points need to be explained:

(1) in the drawings of the embodiments of the present disclosure, only the structures related to the embodiments of the present disclosure are referred to, and other structures may refer to general designs.

(2) Features of the disclosure in the same embodiment and in different embodiments may be combined with each other without conflict.

The above is only a specific embodiment of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present disclosure, and shall be covered by the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. An oil and gas treatment system, comprising:

the oil-gas separation device is configured to perform oil-gas separation treatment on oil gas generated by the oil-gas generation device, wherein the oil-gas separation device comprises a lubricating oil tank for containing lubricating oil; and

a first oil and gas delivery device in communication with the lubrication oil tank and configured to deliver the oil and gas at least partially into the lubrication oil tank, wherein,

the lubricating oil tank is configured to separate oil and gas delivered into the lubricating oil tank, and separated oil products are left in the lubricating oil tank.

2. The oil and gas treatment system of claim 1,

the lubricating oil tank is filled with lubricating oil, and the first oil gas delivery device is configured to inject the oil gas onto the liquid surface of the lubricating oil, or,

the first oil and gas delivery device is configured to inject the oil and gas onto an inner wall of the lubricating oil tank, or,

a blocking structure is arranged in the lubricating oil tank, and the first oil and gas conveying device is configured to inject the oil and gas to the blocking structure.

3. The oil and gas treatment system of claim 2, wherein the lubrication oil tank contains lubrication oil, and the outlet of the first oil and gas delivery device is located within the lubrication oil tank and spaced apart from the lubrication oil.

4. The oil and gas treatment system according to claim 2, wherein the outlet of the first oil and gas delivery device has a wedge-shaped opening facing the level of the lubricating oil or the blocking structure or the inner wall of the lubricating oil tank, through which the oil and gas is injected into the lubricating oil tank.

5. The hydrocarbon processing system of claim 4, further comprising:

a grid structure located at the wedge-shaped opening and comprising a plurality of mesh openings configured to allow the oil and gas to be injected from the first oil and gas delivery device through the plurality of mesh openings to the surface of the lubricating oil or the barrier structure or the inner wall of the lubricating oil tank.

6. The oil and gas treatment system of claim 1, wherein the oil and gas is passed directly from the oil and gas generation device through the first oil and gas delivery device into the lubrication oil tank.

7. The oil and gas treatment system of claim 1, wherein the oil and gas separation device comprises a plurality of cascaded oil and gas separation devices, each stage of oil and gas separation device performing oil and gas separation treatment on the oil and gas, wherein the lubrication oil tank is one of the plurality of cascaded oil and gas separation devices;

the oil and gas treatment system further comprises:

a gas discharge conduit in communication with a last stage of the plurality of cascaded sub-oil-gas separation devices and in communication with the atmosphere;

an oil amount detection module configured to detect an oil content of the gas in the gas discharge pipe;

a valve located within the gas discharge conduit;

the oil-gas return pipeline is communicated with the last stage of sub oil-gas separation device and at least one of the plurality of cascaded sub oil-gas separation devices; and

a control module configured to: if the oil content is less than or equal to a standard value, controlling the valve to be opened to discharge the gas product of the last stage of oil-gas separation device into the atmosphere through the gas discharge pipeline, and configuring as follows: and if the oil content is larger than the standard value, controlling the valve to be closed to return the gas product of the last stage oil-gas separation device to at least one of the cascaded oil-gas separation devices through the oil-gas return pipeline so as to continue the oil-gas separation treatment.

8. The hydrocarbon processing system of claim 7, further comprising:

and the oil conveying device is configured to convey the oil products separated by the oil-gas separation devices except the lubricating oil tank among the plurality of cascaded oil-gas separation devices to the lubricating oil tank.

9. The hydrocarbon processing system of claim 7, further comprising:

a bottom lubrication tank located at a bottom of the oil and gas generation device and configured to lubricate the oil and gas generation device; and

a bottom oil transfer device configured to transfer oil products separated by the oil-gas separation device except the lubricating oil tank among the plurality of cascaded oil-gas separation devices to the bottom lubricating oil tank.

10. The oil and gas treatment system of claim 9, wherein the oil and gas generation device is in operation, and the air pressure in the bottom lube tank is greater than atmospheric pressure; the oil gas generating device is in a non-working state, and the air pressure in the bottom lubricating oil tank of the machine is basically equal to the atmospheric pressure; the machine bottom oil transportation device is a one-way oil transportation device, and includes:

a bottom oil pipeline configured to collect and transport the oil product; and

a check valve in the base oil pipeline and configured to conduct the base oil pipeline in one direction to control the oil product to be transferred from the oil-gas separation device except the oil tank among the plurality of cascaded oil-gas separation devices to the base oil tank through the check valve without allowing the oil in the base oil tank to be transferred toward the oil-gas separation device except the oil tank among the plurality of cascaded oil-gas separation devices through the check valve when the oil-gas generation device is in a non-operation state.

11. The oil and gas treatment system of claim 10, wherein oil and gas separation devices of the plurality of cascaded oil and gas separation devices other than the lube oil tank are located at a higher position in a gravity direction than the base lube oil tank.

12. The oil and gas treatment system of claim 7, wherein an oil and gas separation device of the plurality of cascaded oil and gas separation devices other than the lube oil tank comprises:

and the condensing device is configured to perform condensation treatment on the oil gas so as to liquefy the oil in the oil gas.

13. The oil and gas treatment system according to claim 8, wherein the oil tank contains lubricating oil, the outlet of the oil transfer device is connected to the oil tank, and the outlet of the oil transfer device is located below the level of the lubricating oil in the oil tank.

14. The hydrocarbon processing system of claim 7, further comprising: and the rear-level oil-gas separation device is cascaded with the lubricating oil tank and positioned behind the lubricating oil tank, and is configured to perform rear-level oil-gas separation treatment on at least part of the gas products separated from the lubricating oil tank.

15. The hydrocarbon processing system of claim 7, further comprising:

and the filter is arranged in the gas discharge pipeline, wherein the gas in the gas discharge pipeline enters the atmosphere after being filtered by the filter.

16. The oil and gas treatment system of claim 7, wherein the lubrication oil tank is a last stage in the plurality of cascaded oil and gas separation devices,

the lubricating oil tank comprises a filter configured to filter a gas product separated from the lubricating oil tank, and the filtered gas enters the atmosphere through the gas discharge pipeline.

17. The oil and gas treatment system of claim 12, wherein the condensing device comprises a plurality of condenser tubes having condensate flowing therein and extending in a first direction, the oil and gas passing through outer walls of the plurality of condenser tubes;

the contour shape of the outer wall of each of the plurality of condensation pipes includes a bend extending in a first direction along which the oil gas passes through the outer wall of the condensation pipe.

18. The oil and gas treatment system according to claim 17, wherein the bend is in the shape of a dogleg or a wave.

19. A mechanical device, comprising:

an oil and gas generating device comprising an engine;

the engine provides power for the working machine, and the speed reducer is connected between the engine and the working machine; and

the oil and gas treatment system of any one of claims 1-18,

wherein the lubricating oil tank is configured to supply lubricating oil to at least one of the engine, the speed reducer, and the working machine.

20. The mechanical apparatus of claim 19, wherein the engine is a turbine engine including a combustion chamber from which the oil and gas is exhausted.

21. The mechanical apparatus of claim 19, wherein the mechanical apparatus is a fracturing apparatus and the working machine comprises a plunger pump.