Control oil purification device for gas turbine

By designing a control oil purification device for the gas engine, filtration, heating and oxygenation technologies are used to solve the problem of servo valve blockage caused by impurities in the gas engine control oil, and the regeneration and service life of the oil are achieved.

CN222889524UActive Publication Date: 2025-05-23TIANJIN HUADIAN NANJIANG THERMAL POWER CO LTD
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Patent Information

Application Number
CN202421668591.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-05-23
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

The fuel engine control oil produces impurities such as colloids, oil sludge and other impurities under high temperature and oxidation, resulting in blockage of the servo valve, affecting the safe operation of the unit, and the cost of cleaning and replacing oil is very high.

Method used

A control oil purification device for a gas engine is designed, including a filter box, a heating agitating member and an oxygen-adding member. The filter box has a built-in filter member and a heating agitator member, and is filtered and heated through a filter mesh and a stirring rod, and oxygen is added to decompose the oxidation product by using the oxygen-adding member.

Benefits of technology

Effectively remove impurities in control oil, prevent impurities from deposition, prolong the service life of oil, reduce the maintenance cost of the gas engine system, and ensure the safe operation of the unit.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222889524U_ABST
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Abstract

The utility model relates to the technical field of gas turbine control oil filtering equipment, and discloses a control oil purification device for a gas turbine, which comprises a filtering box and a liquid inlet pipe arranged on one side of the filtering box and used for controlling oil to enter, a filtering component is arranged at the upper end of the filtering box, and a heating and stirring component is arranged in the filtering box. An oxygenation component is arranged on the back side of the filter box, a cooling box is further arranged on the outer side of the filter box, after control oil enters the filter box from the liquid inlet pipe, the control oil can be filtered through the filter screen, the purpose of filtering the control oil can be achieved, impurity deposition is avoided, and safe operation of a unit cannot be affected; control oil in the filter box can be heated, so that the temperature of the control oil is increased, after the temperature is increased, the air pump is started, air can be pumped into the exhaust pipe from the air inlet pipe and enters the filter box through the spray head, oxidation products in the control oil are promoted to be decomposed or volatilized, and the control oil can be effectively regenerated.
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Description

Technical Field

[0001] The utility model relates to the technical field of fuel engine control oil filtering equipment, in particular to a control oil purification device for fuel engines. Background Art

[0002] The control oil purification devices of gas turbines are usually used to ensure the cleanliness and reliability of the control oil (such as hydraulic oil or lubricating oil) used when the gas turbine is running. The main function of these devices is to remove impurities, moisture and other contaminants in the oil to extend the service life of the oil and ensure the reliability and safety of the gas turbine system.

[0003] The power oil of the control oil chamber of the gas turbine control system servo valve and other original parts will produce colloids, sludge and other impurities in the control oil due to high temperature and oxidation, and the acid value will increase. These impurities will be deposited inside the servo valve, etc., causing the servo valve to become blocked and fail, affecting the safe operation of the unit. Once the servo valve is blocked, the unit needs to be shut down for cleaning. The cost of cleaning a single gas turbine servo valve is very high. If the control oil quality is seriously deteriorated, it needs to be replaced with new oil, which is too costly.

[0004] Therefore, we propose a control oil purification device for a gas engine to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a control oil purification device for a gas engine to solve the problem proposed in the above background technology that the power oil is subjected to high temperature and oxidation, the control oil will produce impurities such as colloids and sludge, and the impurities will be deposited inside the servo valve, etc., causing the servo valve to become blocked and fail, thus affecting the safe operation of the unit.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a control oil purification device for a combustion engine, comprising a filter box and a liquid inlet pipe arranged on one side of the filter box for controlling the oil to enter, a filter component is installed on the upper end of the filter box, a heating and stirring component is arranged inside the filter box, an oxygenating component is arranged on the back side of the filter box, the oxygenating component is used to add oxygen into the filter box, and a cooling box is also arranged on the outside of the filter box, the cooling box is used to cool the filter box;

[0007] The filter component includes a bracket and a cylinder member arranged at the upper end of the bracket. The telescopic end of the cylinder member is connected to a filter screen, and the filter screen is placed inside the filter box. The initial position of the filter screen is lower than the pipe mouth position of the liquid inlet pipe. When the control oil enters the filter box from the liquid inlet pipe, the control oil can be filtered by the filter screen. When the cylinder member is in operation, the filter screen and impurities can be driven to move upward.

[0008] Preferably, a fixed box cover and a movable box cover are provided at the upper end of the filter box, and the movable box cover is movably placed on one side of the fixed box cover. Bolts are provided at the upper end of the movable box cover, and the position of the movable box cover can be fixed by the bolts. The filter box can be sealed by the fixed box cover and the movable box cover. A drain pipe is also connected to the side wall of the filter box, and the drain pipe is used to control the discharge of oil.

[0009] Preferably, the bracket is in an inverted U-shaped structure, and the bracket is fixedly mounted on the fixed box cover, and the bracket is used to support the cylinder member.

[0010] Preferably, the heating and stirring component includes a motor arranged on the outer wall of the filter box and a rotating shaft connected to the output end of the motor. The other end of the rotating shaft passes through the filter box and extends to the interior of the filter box. Stirring rods are evenly distributed on the outside of the rotating shaft. When the motor is operating, the rotating shaft and the stirring rods can be driven to rotate.

[0011] Preferably, the heating and stirring member further comprises a heater evenly arranged on the inner wall of the filter box, the heater is externally connected to a power source, and when the heater is started, the control oil inside the filter box can be heated.

[0012] Preferably, the oxygenating component includes a fixing frame arranged on the back side of the filter box and an air pump arranged on the upper end of the fixing frame, the interfaces at both ends of the air pump are respectively connected to the air inlet pipe and the exhaust pipe, a dust cover is provided at one end of the air inlet pipe, the dust cover is used for dust prevention, the exhaust pipe is placed inside the filter box, and a plurality of nozzles are evenly distributed at the lower end of the exhaust pipe. When the air pump is started, air can be drawn from the air inlet pipe into the exhaust pipe and enter the filter box through the nozzle.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. By setting up the filter box, liquid inlet and filter component, the initial position of the filter is lower than the pipe mouth of the liquid inlet pipe. When the control oil enters the filter box from the liquid inlet pipe, the filter can be used to filter the control oil, which can effectively remove impurities in the control oil and avoid impurity deposition, which will not affect the safe operation of the unit.

[0015] 2. By setting up the heating and stirring components and the oxygenating components, the filtered control oil can be heated up, and air can be added to decompose or volatilize the oxidation products in the control oil, which can effectively regenerate the control oil and extend its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the filter box of the utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the heating and stirring component of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the oxygenation component of the utility model.

[0020] In the figure: 1. filter box; 11. fixed box cover; 12. movable box cover; 13. bolts; 14. drain pipe; 2. inlet pipe; 3. filter element; 31. bracket; 32. cylinder member; 33. filter screen; 4. heating and stirring element; 41. motor; 42. rotating shaft; 43. stirring rod; 44. heater; 5. oxygenating element; 51. fixing frame; 52. air pump; 53. inlet pipe; 54. dust cover; 55. exhaust pipe; 56. nozzle; 6. cooling box. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example 1: Please refer to Figure 1 , Figure 2 and Figure 3 , a control oil purification device for a combustion engine, comprising a filter box 1 and a liquid inlet pipe 2 arranged at one side of the filter box 1 for control oil to enter, a filter component 3 is installed at the upper end of the filter box 1, a heating and stirring component 4 is arranged inside the filter box 1, an oxygenating component 5 is arranged on the back side of the filter box 1, the oxygenating component 5 is used to add oxygen into the filter box 1, and a cooling box 6 is also arranged outside the filter box 1, and the cooling box 6 is used to cool the filter box 1. When the control oil is poured into the filter box 1 from the liquid inlet pipe 2, it is filtered by the filter component 3 to remove impurities inside the control oil, and the control oil is heated by the heating and stirring component 4, and then air is added by the oxygenating component 5 to promote the decomposition or volatilization of oxidation products in the control oil, which can effectively regenerate the control oil and extend its service life;

[0023] The filter component 3 includes a bracket 31 and a cylinder member 32 arranged at the upper end of the bracket 31. The telescopic end of the cylinder member 32 is connected to a filter screen 33, and the filter screen 33 is placed inside the filter box 1. The initial position of the filter screen 33 is lower than the pipe mouth position of the liquid inlet pipe 2. When the control oil enters the filter box 1 from the liquid inlet pipe 2, the control oil can be filtered by the filter screen 33. When the cylinder member 32 is in operation, the filter screen 33 and impurities can be driven to move upward.

[0024] A fixed box cover 11 and a movable box cover 12 are provided at the upper end of the filter box 1. The movable box cover 12 is movably placed on one side of the fixed box cover 11. A bolt 13 is provided at the upper end of the movable box cover 12. The position of the movable box cover 12 can be fixed by the bolt 13. The filter box 1 can be sealed by the fixed box cover 11 and the movable box cover 12. A drain pipe 14 is also connected to the side wall of the filter box 1, and the drain pipe 14 is used to control the discharge of oil.

[0025] The bracket 31 is in an inverted U-shaped structure and is fixedly mounted on the fixed box cover 11 . The bracket 31 is used to support the cylinder member 32 .

[0026] In this embodiment: after the control oil enters the filter box 1 from the liquid inlet pipe 2, the control oil can be filtered by the filter screen 33, so the purpose of filtering the control oil can be achieved. When the cylinder part 32 is in operation, the filter screen 33 and impurities can be driven to move upward, so that the impurities and the filter screen 33 leave the control oil, and then the bolt 13 is turned to remove the movable box cover 12, and the impurities can be fished out from the opening of the filter box 1. The operation is relatively simple, and the filter screen 33 is placed on the bottom wall of the filter box 1 through the cylinder part 32 before heating the control oil.

[0027] Embodiment 2: This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 3 and Figure 4 The heating and stirring component 4 includes a motor 41 arranged on the outer wall of the filter box 1 and a rotating shaft 42 connected to the output end of the motor 41. The other end of the rotating shaft 42 passes through the filter box 1 and extends to the interior of the filter box 1. Stirring rods 43 are evenly distributed on the outside of the rotating shaft 42. When the motor 41 is operating, the rotating shaft 42 and the stirring rod 43 can be driven to rotate.

[0028] The heating and stirring member 4 further comprises a heater 44 evenly arranged on the inner wall of the filter box 1 . The heater 44 is externally connected to a power source. When the heater 44 is started, the control oil inside the filter box 1 can be heated.

[0029] The oxygenating component 5 includes a fixing frame 51 arranged on the back side of the filter box 1 and an air pump 52 arranged on the upper end of the fixing frame 51. The interfaces at both ends of the air pump 52 are respectively connected with an air inlet pipe 53 and an exhaust pipe 55. A dust cover 54 is arranged at one end of the air inlet pipe 53. The dust cover 54 is used for dust prevention. The exhaust pipe 55 is placed inside the filter box 1, and a plurality of nozzles 56 are evenly distributed at the lower end of the exhaust pipe 55. When the air pump 52 is started, air can be drawn from the air inlet pipe 53 to the exhaust pipe 55 and enter the filter box 1 through the nozzle 56. The dust cover 54 can filter the dust in the air.

[0030] In this embodiment: after the control oil is filtered, the heater 44 is started to heat the control oil inside the filter box 1, so that the temperature of the control oil increases, and the motor 41 is started to drive the rotating shaft 42 and the stirring rod 43 to rotate, so that the temperature inside the control oil increases more evenly. After the temperature increases, the air pump 52 is started to draw air from the intake pipe 53 to the exhaust pipe 55, and enter the filter box 1 through the nozzle 56, so that the oxidation products in the control oil are decomposed or volatilized, and then filtered through the filter net 33 to remove the sediment, so that the control oil can be effectively regenerated and its service life can be extended.

[0031] Working principle: when the control oil enters the filter box 1 from the liquid inlet pipe 2, the control oil can be filtered by the filter 33, so as to achieve the purpose of filtering the control oil. When the cylinder 32 is operating, the filter 33 and impurities can be driven to move upward, so that the impurities and the filter 33 leave the control oil. After filtering, the heater 44 is started to heat the control oil inside the filter box 1, so that the temperature of the control oil increases, and the motor 41 is started to drive the rotating shaft 42 and the stirring rod 43 to rotate, so that the temperature inside the control oil increases more evenly. After the temperature increases, the air pump 52 is started to draw air from the intake pipe 53 to the exhaust pipe 55, and enters the filter box 1 through the nozzle 56, so as to decompose or volatilize the oxidation products in the control oil, and then the filter 33 is used for filtering to remove the sediment, so as to effectively regenerate the control oil.

[0032] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A control oil purification device for a combustion engine, comprising a filter box (1) and a liquid inlet pipe (2) arranged on one side of the filter box (1) for controlling oil to enter, characterized in that: A filter element (3) is installed at the upper end of the filter box (1); a heating and stirring element (4) is arranged inside the filter box (1); an oxygenating element (5) is arranged on the back side of the filter box (1); the oxygenating element (5) is used to add oxygen into the filter box (1); and a cooling box (6) is also arranged outside the filter box (1); The filter component (3) comprises a bracket (31) and a cylinder member (32) arranged at the upper end of the bracket (31); the telescopic end of the cylinder member (32) is connected to a filter screen (33); the filter screen (33) is placed inside the filter box (1); and the initial position of the filter screen (33) is lower than the position of the pipe mouth of the liquid inlet pipe (2).

2. A control oil purification device for a gas engine according to claim 1, characterized in that: The upper end of the filter box (1) is provided with a fixed box cover (11) and a movable box cover (12); the movable box cover (12) is movably disposed on one side of the fixed box cover (11); a bolt (13) is provided at the upper end of the movable box cover (12); the position of the movable box cover (12) can be fixed by means of the bolt (13); a drain pipe (14) is also connected to the side wall of the filter box (1); the drain pipe (14) is used to control the discharge of oil.

3. A control oil purification device for a gas engine according to claim 2, characterized in that: The bracket (31) is in an inverted U-shaped structure, and the bracket (31) is fixedly mounted on the fixed box cover (11). The bracket (31) is used to support the cylinder part (32).

4. A control oil purification device for a gas engine according to claim 3, characterized in that: The heating and stirring member (4) comprises a motor (41) arranged on the outer wall of the filter box (1) and a rotating shaft (42) connected to the output end of the motor (41); the other end of the rotating shaft (42) penetrates the filter box (1) and extends to the interior of the filter box (1); stirring rods (43) are evenly distributed on the outside of the rotating shaft (42).

5. A control oil purification device for a gas engine according to claim 4, characterized in that: The heating and stirring member (4) further comprises a heater (44) evenly arranged on the inner wall of the filter box (1), and the heater (44) is externally connected to a power source.

6. A control oil purification device for a gas engine according to claim 5, characterized in that: The oxygenating component (5) comprises a fixing frame (51) arranged on the back side of the filter box (1) and an air pump (52) arranged on the upper end of the fixing frame (51); interfaces at both ends of the air pump (52) are respectively connected to an air intake pipe (53) and an air exhaust pipe (55); a dust cover (54) is arranged at one end of the air intake pipe (53); the dust cover (54) is used for dust prevention; the air exhaust pipe (55) is arranged inside the filter box (1), and a plurality of nozzles (56) are evenly distributed at the lower end of the air exhaust pipe (55).