Gas turbine cleaning water drainage system

Abstract

The invention provides a gas turbine cleaning water drainage system which comprises a cleaning water collecting device, a filtering device, a water quality detection device and a wastewater treatment device which are communicated in sequence, a drainage pipeline is installed at the outlet end of the water quality detection device, and a drainage control unit is installed on the drainage pipeline. The wastewater treatment device is communicated with the drainage pipeline through the drainage control unit, and the water quality detection device is electrically connected with the drainage control unit; and the drainage control unit controls water to be discharged or enter the wastewater treatment device according to a detection result of the water quality detection unit. Cleaning water is collected, filtered, detected and treated through the cleaning water collecting device, the filtering device, the water quality detection device and the waste water treatment device which are communicated in sequence, the water discharging control unit intelligently controls the water flowing direction according to the detection result, the detected cleaning water which does not reach the discharging standard is conveyed to the waste water treatment device, and it is ensured that discharging reaches the standard.

Description

Technical Field

[0001] The invention relates to the technical field of gas engine washing water drainage, and in particular to a gas engine washing water drainage system. Background Art

[0002] In today's era of rapid development of the energy industry, gas turbines, as an efficient and clean energy conversion equipment, have been widely used in many fields such as power generation and industrial drive. After a certain period of operation, gas turbines need to be cleaned regularly in order to maintain their good performance and efficiency. During the cleaning process, a large amount of cleaning water will be generated. These cleaning waters usually contain various pollutants, such as suspended matter, heavy metals, oil, cleaning agents, etc. If these cleaning waters are discharged directly without treatment, they will cause serious pollution to the environment. Traditional drainage systems are often simple in structure, have only basic drainage functions, and lack effective collection and treatment mechanisms for cleaning water. Cleaning water usually contains various impurities, such as oil, particulate matter, chemical cleaning agent residues, etc. If these cleaning waters are discharged directly, it will not only cause serious pollution to the environment, but may also violate environmental protection regulations.

[0003] The existing cleaning water discharge lacks real-time monitoring and control of the water quality, and it is impossible to accurately understand the degree of pollution and composition of the cleaning water, making it difficult to take targeted treatment measures. This may lead to the unknowing discharge of substandard cleaning water, posing potential risks to the environment. Summary of the invention

[0004] The object of the present invention is to provide a gas turbine cleaning water drainage system, which collects, filters, detects and treats waste water after gas turbine cleaning to ensure that the discharged cleaning water meets environmental protection standards.

[0005] The present invention provides a gas turbine washing water drainage system, comprising a washing water collecting device, a filtering device, a water quality detection device and a wastewater treatment device which are connected in sequence, wherein a drainage pipe is installed at the outlet end of the water quality detection device, a drainage control unit is installed on the drainage pipe, the wastewater treatment device is connected with the drainage pipe through the drainage control unit, the water quality detection device is electrically connected with the drainage control unit; the drainage control unit controls water to be discharged from or enter the wastewater treatment device according to the detection result of the water quality detection unit.

[0006] Furthermore, the cleaning water collecting device is connected to the cleaning part of the fuel engine through a collecting pipe, and the collecting pipe includes a main pipe and multiple branch pipes that are connected to each other. The multiple branch pipes are connected to multiple cleaning parts of the fuel engine. The main pipe is connected to the cleaning water collecting device, and a flow guide structure is provided inside the main pipe.

[0007] Furthermore, the cleaning water collecting device comprises a collecting tank, in which a liquid level sensor is installed.

[0008] Furthermore, the filtering device comprises a coarse filter and a fine filter, and the coarse filter is arranged upstream of the fine filter.

[0009] Furthermore, the water quality detection device includes a pH detector, a suspended matter content detector and a heavy metal content detector.

[0010] Furthermore, the drainage control unit includes a sub-controller and a solenoid valve, the solenoid valve is installed on the drainage pipe, and the solenoid valve, pH detector, suspended matter content detector and heavy metal content detector are all electrically connected to the sub-controller.

[0011] Furthermore, the guide structure is a spiral guide vane.

[0012] Furthermore, the wastewater treatment device includes a neutralization tank, a sedimentation tank and a filtration tank which are connected in sequence. The neutralization tank is used to adjust the pH value of the cleaning water, the sedimentation tank is used to precipitate suspended matter, and the filtration tank is used to further filter and remove residual impurities.

[0013] Furthermore, a dosing device is provided at the top of the neutralization tank, sedimentation tank and filtration tank, and the dosing device includes a medicine box and a dosing pump. A stirring rod is installed inside the medicine box, and a motor for driving the stirring rod to rotate is fixedly installed on the outside of the medicine box, and the stirring rod is provided with a stirring blade.

[0014] Furthermore, it also includes a control system, which is electrically connected to the cleaning water collecting device, the filtering device, the water quality detection device, the wastewater treatment device and the drainage control unit respectively.

[0015] The beneficial effects of the technical solution are: by connecting the cleaning water collection device, the filtering device, the water quality detection device and the wastewater treatment device in sequence, the cleaning water collection, filtration, detection and treatment are realized, and the drainage control unit intelligently controls the water direction according to the detection results, and transports the cleaning water that does not meet the discharge standards to the wastewater treatment device to ensure that the discharge meets the standards. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1This is a flow chart of the cleaning water treatment process of the present invention.

[0018] Figure numerals: 1-fuel engine, 2-cleaning water collecting device, 3-filtering device, 4-water quality detection device, 5-coarse filter, 6-fine filter, 7-wastewater treatment device, 8-solenoid valve. DETAILED DESCRIPTION

[0019] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0021] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Example 1

[0023] like Figure 1As shown, the present invention provides a gas turbine cleaning water drainage system, which is mainly used for collecting, filtering, detecting and treating waste water after cleaning the gas turbine 1, so as to ensure that the discharged cleaning water meets the environmental protection standards. The system comprises a cleaning water collecting device 2, a filtering device 3, a water quality detection device 4 and a wastewater treatment device 7 which are connected in sequence. A drainage pipe is installed at the outlet end of the water quality detection device 4, and a drainage control unit is installed on the drainage pipe. The wastewater treatment device 7 is connected to the drainage pipe through the drainage control unit. The system is equipped with a control system, which is electrically connected to the cleaning water collecting device 2, the filtering device 3, the water quality detection device 4, the wastewater treatment device 7 and the drainage control unit, respectively, for coordinating and controlling the system as a whole, receiving signals from various parts and issuing corresponding instructions, so as to ensure stable operation of the system.

[0024] The cleaning water collecting device 2 is connected to the cleaning part of the fuel engine 1 through a collecting pipe. The collecting pipe includes a main pipe and multiple branch pipes that are interconnected. The multiple branch pipes are connected to multiple cleaning parts of the fuel engine 1. The main pipe is connected to the cleaning water collecting device 2. A guide structure is provided inside the main pipe. The guide structure in this embodiment is a spiral guide plate, which allows the cleaning water to form a stable flow state in the pipe and reduce turbulence and impact. The cleaning water collecting device 2 is mainly a collecting tank, and a liquid level sensor is installed in the collecting tank. When the water level in the collecting tank reaches a preset height, the liquid level sensor transmits a signal to the control system to start the drainage system for subsequent processing.

[0025] The filter device 3 includes a coarse filter 5 and a fine filter 6, wherein the coarse filter 5 is arranged upstream of the fine filter 6. The coarse filter 5 first removes solid impurities of larger particles, such as a screen filter, which can intercept larger-sized particulate matter, and the fine filter 6 further removes impurities of fine particles, such as a cartridge filter, which can effectively filter out tiny particles to ensure the cleanliness of the washing water.

[0026] The water quality detection device 4 includes a pH detector, a suspended matter content detector and a heavy metal content detector, which are respectively used to detect the pH, suspended matter content and heavy metal content of the filtered cleaning water in real time. These detection instruments transmit the detection results to the control system and the drainage control unit, and the drainage control unit controls the direction of the water according to the detection results of the water quality detection unit.

[0027] The drainage control unit includes a sub-controller and a solenoid valve 8. The solenoid valve 8 is installed on the drainage pipe and controls the on and off of the drainage pipe according to the instructions of the sub-controller. The solenoid valve 8, the pH detector, the suspended matter content detector and the heavy metal content detector are all electrically connected to the sub-controller. When the water quality detection device 4 detects that the water quality parameters of the cleaning water meet the discharge standards, the sub-controller controls the solenoid valve 8 to open and allow the cleaning water to be discharged through the drainage pipe; when the water quality detection unit detects that the water quality parameters of the cleaning water do not meet the discharge standards, the sub-controller controls the solenoid valve 8 to guide the cleaning water to the wastewater treatment device 7 for secondary treatment.

[0028] The wastewater treatment device 7 includes a neutralization tank, a sedimentation tank and a filtration tank which are connected in sequence. The neutralization tank is used to adjust the pH value of the cleaning water. When the pH value of the water in the neutralization tank deviates from neutrality, the dosing device at the top is started. The dosing device includes a medicine box and a dosing pump. The medicine box is equipped with a stirring rod and a stirring blade driven by a motor to ensure that the medicine is fully mixed. According to the water quality test results, an appropriate amount of acid or alkali is added to the neutralization tank to make the pH value of the cleaning water meet the discharge standard. The sedimentation tank is used to precipitate the suspended matter and further filter and remove the residual impurities. If the natural precipitation effect of the suspended matter is not good, the dosing device can also be used to add flocculants and other agents to promote the coagulation and precipitation of the suspended matter. The filtration tank is used to further filter and remove the residual impurities. Similarly, if the filtering effect is not ideal, it can be considered to add agents such as filter aids to improve the filtering effect.

[0029] The operating principle of the system is as follows: the wastewater after cleaning the combustion engine 1 flows into the collection tank of the cleaning water collection device 2 through the collection pipe. When the water level in the collection tank reaches the preset height, the drainage system is started, and the wastewater is filtered through the coarse filter 5 and the fine filter 6 in turn to remove solid impurities. The filtered cleaning water enters the water quality detection device 4, and the pH detector, the suspended matter content detector and the heavy metal content detector detect the water quality parameters. The drainage control unit controls the on-off of the drainage pipe according to the water quality detection results. If the water quality meets the discharge standard, the solenoid valve connects the water quality detection device 4 with the drainage pipe, and the cleaning water is discharged; if it does not meet the discharge standard, the solenoid valve connects the water quality detection device 4 with the wastewater treatment device 7, and the wastewater enters the wastewater treatment device 7. The wastewater is treated in the wastewater treatment device 7 in turn through the neutralization tank, the sedimentation tank and the filter tank. The neutralization tank adjusts the pH through the dosing device, and the sedimentation tank and the filter tank can add corresponding agents through the dosing device as needed to improve the treatment effect. The treated cleaning water is tested again for water quality. If it meets the discharge standards, it is discharged through the drainage pipe. If it still does not meet the standards, it will continue to be treated until it meets the discharge standards.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A gas turbine washing water drainage system, characterized in that: The invention comprises a cleaning water collecting device, a filtering device, a water quality detecting device and a wastewater treatment device which are connected in sequence, wherein a drainage pipe is installed at the outlet end of the water quality detecting device, a drainage control unit is installed on the drainage pipe, the wastewater treatment device is connected with the drainage pipe through the drainage control unit, and the water quality detecting device is electrically connected with the drainage control unit; the drainage control unit controls water to be discharged from or enter the wastewater treatment device according to the detection result of the water quality detecting unit.

2. The gas turbine washing water drainage system according to claim 1, characterized in that: The cleaning water collecting device is connected to the cleaning part of the fuel engine through a collecting pipe. The collecting pipe includes a main pipe and multiple branch pipes that are connected to each other. The multiple branch pipes are connected to multiple cleaning parts of the fuel engine. The main pipe is connected to the cleaning water collecting device, and a flow guide structure is provided inside the main pipe.

3. The gas turbine washing water drainage system according to claim 2, characterized in that: The cleaning water collecting device comprises a collecting tank, in which a liquid level sensor is installed.

4. The gas turbine washing water drainage system according to claim 1, characterized in that: The filtering device comprises a coarse filter and a fine filter, wherein the coarse filter is arranged upstream of the fine filter.

5. The gas turbine washing water drainage system according to claim 1, characterized in that: The water quality detection device comprises a pH detector, a suspended matter content detector and a heavy metal content detector.

6. The gas turbine washing water drainage system according to claim 5, characterized in that: The drainage control unit comprises a sub-controller and a solenoid valve, wherein the solenoid valve is installed on the drainage pipe, and the solenoid valve, the pH detector, the suspended matter content detector and the heavy metal content detector are all electrically connected to the sub-controller.

7. The gas turbine washing water drainage system according to claim 2, characterized in that: The guide structure is a spiral guide plate.

8. The gas turbine washing water drainage system according to claim 1, characterized in that: The wastewater treatment device comprises a neutralization tank, a sedimentation tank and a filtration tank which are connected in sequence. The neutralization tank is used to adjust the pH value of the cleaning water, the sedimentation tank is used to precipitate suspended matter, and the filtration tank is used to further filter and remove residual impurities.

9. The gas turbine washing water drainage system according to claim 8, characterized in that: The tops of the neutralization tank, sedimentation tank and filtration tank are all provided with dosing devices, which include a medicine box and a dosing pump. A stirring rod is installed inside the medicine box, and a motor for driving the stirring rod to rotate is fixedly installed outside the medicine box. The stirring rod is provided with stirring blades.

10. The gas turbine washing water drainage system according to any one of claims 1 to 9, characterized in that: It also includes a control system, which is electrically connected to the cleaning water collecting device, the filtering device, the water quality detection device, the wastewater treatment device and the drainage control unit respectively.

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