Cleaning device for fuel tank of diesel engine unit

The diesel engine fuel tank cleaning device utilizes a combination of a high-pressure nozzle and an electromagnetic pump to solve the problems of incomplete and wasteful fuel tank cleaning in existing systems, achieving efficient and adaptable fuel tank cleaning results.

CN223482767UActive Publication Date: 2025-10-28SHENGDAO MECHANICAL & ELECTRICAL EQUIP (HENAN) CO LTD
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Patent Information

Application Number
CN202422655709.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-10-28
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

The existing fuel tank cleaning method requires draining the internal fuel, which is incomplete and causes fuel waste, and cannot meet the efficient cleaning needs of emergency power supply sites.

Method used

A fuel tank cleaning device for a diesel engine unit is used, comprising a filter mechanism, an oil extraction pipe joint, an oil extraction pipe, an oil delivery pipe, an electromagnetic pump and a high-pressure nozzle. The oil extraction pipe joint is connected to the fuel tank drain port, and the high-pressure nozzle is used to impact dirt on the inner wall of the fuel tank. The electromagnetic pump is used to filter the dirt, thus achieving cyclic filtration and cleaning.

Benefits of technology

The invention realizes efficient cleaning of the fuel tank and avoids fuel waste. The invention is applicable to fuel tanks of different models and is suitable for large-scale promotion and use.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The diesel engine unit fuel tank cleaning device comprises a filtering mechanism, an oil pumping pipe connector, an oil pumping pipe, an oil conveying pipe, an electromagnetic pump and a high-pressure nozzle, an oil inlet and an oil outlet are formed in the filtering mechanism, the oil inlet of the filtering mechanism is connected with the oil pumping pipe connector through the oil pumping pipe, and the oil outlet of the filtering mechanism is connected with the oil conveying pipe connector through the oil conveying pipe. An oil outlet of the filtering mechanism is connected with a liquid inlet of the electromagnetic pump, a liquid outlet of the electromagnetic pump is connected with the high-pressure nozzle through an oil feeding pipe and connected with an oil stain discharging port of a fuel tank to be cleaned through an oil pumping pipe connector, then the high-pressure nozzle is inserted into the fuel tank to be cleaned from an oil filling port, the electromagnetic pump is started, and dirt on the inner wall of the fuel tank is impacted through the high-pressure nozzle. Fuel oil and dirt mixtures are filtered through the filtering mechanism under the action of the electromagnetic pump, the cleaning effect of the fuel tank is achieved in a circulating filtering mode, and the device can be used for daily cleaning and maintenance of the fuel tank.
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Description

Technical Field

[0001] This utility model relates to the field of fuel tank cleaning, and in particular to a fuel tank cleaning device for diesel generator sets. Background Technology

[0002] In emergency power supply applications such as data centers and hospitals, the common method for cleaning fuel tanks is to drain impurities and wastewater through the fuel drain port. This method requires emptying all the fuel in the tank, the operation remains unchanged, and it is not thorough for stationary fuel tanks, resulting in fuel waste. Utility Model Content

[0003] (1) Technical issues to be resolved

[0004] To address the aforementioned problems in the prior art, this utility model provides a fuel tank cleaning device for diesel generator sets.

[0005] (2) Technical solution

[0006] In order to achieve the above-mentioned purpose, the main technical solutions adopted by this utility model include:

[0007] A diesel generator set fuel tank cleaning device includes a filter mechanism, an oil extraction pipe connector, an oil extraction pipe, an oil delivery pipe, an electromagnetic pump, and a high-pressure nozzle. The filter mechanism is provided with an oil inlet and an oil outlet. The oil inlet of the filter mechanism is connected to the oil extraction pipe connector through the oil extraction pipe. The oil outlet of the filter mechanism is connected to the inlet of the electromagnetic pump. The outlet of the electromagnetic pump is connected to the high-pressure nozzle through the oil delivery pipe.

[0008] Preferably, the oil extraction pipe joint includes an inner pipe body and an outer pipe body. The outer pipe body is in the shape of a ring. A sliding groove is provided inside the outer pipe body. A limit ring is slidably installed in the sliding groove. A limit spring is also provided in the sliding groove. One end of the limit spring is connected to the inner wall of the sliding groove, and the other end of the limit spring is connected to the limit ring. The inner pipe body is fixedly installed on the limit ring.

[0009] Preferably, the outer diameter of the inner tube is the same as the inner diameter of the outer tube, and the inner diameter of the inner tube is the same as the inner diameter of the limiting ring.

[0010] Preferably, both the inner tube and the outer tube are provided with sealing grooves, and sealing rings are installed in the sealing grooves.

[0011] Preferably, the filtration mechanism includes a filter box containing multiple filter slots, each of which is equipped with a fuel filter element of different specifications. The filter box also includes a main fuel inlet pipe, branch fuel inlet pipes, a main fuel outlet pipe, and branch fuel outlet pipes. One end of the main fuel inlet pipe connects to the fuel inlet. Multiple branch fuel inlet pipes are provided, each corresponding to one of the filter slots. One end of each branch fuel inlet pipe connects to its corresponding filter slot, and the other end connects to the main fuel inlet pipe. Each branch fuel inlet pipe is equipped with a control valve. Multiple branch fuel outlet pipes are also provided, each corresponding to one of the filter slots. One end of each branch fuel outlet pipe connects to its corresponding filter slot, and the other end connects to the main fuel outlet pipe. The end of the main fuel outlet pipe connects to the fuel outlet.

[0012] (3) Beneficial effects

[0013] The beneficial effects of this utility model are as follows: By adopting the above technical solution, the oil drain port of the fuel tank to be cleaned is connected through the oil suction pipe connector, and then the high-pressure nozzle is inserted into the fuel tank to be cleaned from the filler port. The electromagnetic pump is started, and the high-pressure nozzle is used to impact the dirt on the inner wall of the fuel tank. The mixture of fuel and dirt is filtered through the filter mechanism under the action of the electromagnetic pump. Through the circulation filtration method, the cleaning effect of the fuel tank is achieved. It can be used for daily cleaning and maintenance of fuel tanks. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of a fuel tank cleaning device for a diesel generator set.

[0015] Figure 2 This is a schematic diagram of the oil extraction pipe joint.

[0016] Figure 3 This is a schematic diagram of the filtration mechanism.

[0017] Explanation of reference numerals in the attached figures:

[0018] 1. Oil extraction pipe connector;

[0019] 11. Outer tube; 12. Limiting ring; 13. Inner tube; 14. Limiting spring; 15. Sealing ring;

[0020] 2. Oil extraction pipe;

[0021] 3. Filtration mechanism;

[0022] 31. Filter box; 32. Main oil supply pipe; 33. Branch oil supply pipe; 34. Control valve; 35. Fuel filter element; 36. Drain branch pipe; 37. Main oil drain pipe;

[0023] 4. Electromagnetic pump;

[0024] 5. Oil delivery pipe;

[0025] 6. High-pressure nozzle. Detailed Implementation

[0026] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation methods in conjunction with the accompanying drawings.

[0027] Please refer to Figures 1 to 3 This utility model provides a fuel tank cleaning device for a diesel generator set, including a filter mechanism 3, an oil extraction pipe connector 1, an oil extraction pipe 2, an oil delivery pipe 5, an electromagnetic pump 4, and a high-pressure nozzle 6. The filter mechanism 3 is provided with an oil inlet and an oil outlet. The oil inlet of the filter mechanism 3 is connected to the oil extraction pipe connector 1 through the oil extraction pipe 2. The oil outlet of the filter mechanism 3 is connected to the liquid inlet of the electromagnetic pump 4. The liquid outlet of the electromagnetic pump 4 is connected to the high-pressure nozzle 6 through the oil delivery pipe 5.

[0028] In use, connect the drain port of the fuel tank to be cleaned through the oil pipe connector 1, then insert the high-pressure nozzle 6 into the fuel tank from the filler neck, start the electromagnetic pump 4, and use the high-pressure nozzle 6 to impact the dirt on the inner wall of the fuel tank. The mixture of fuel and dirt is filtered by the filter mechanism 3 under the action of the electromagnetic pump 4. The cleaning effect of the fuel tank is achieved through the circulation filtration method. It can be used for daily cleaning and maintenance of the fuel tank.

[0029] In this embodiment, the oil extraction pipe connector 1 includes an inner pipe body 13 and an outer pipe body 11. The outer pipe body 11 is in the shape of a ring. A sliding groove is provided inside the outer pipe body 11. A limiting ring 12 is slidably installed in the sliding groove. A limiting spring 14 is also provided in the sliding groove. One end of the limiting spring 14 is connected to the inner wall of the sliding groove, and the other end of the limiting spring 14 is connected to the limiting ring 12. The inner pipe body 13 is fixedly installed on the limiting ring 12. The outer diameter of the inner pipe body 13 is the same as the inner diameter of the outer pipe body 11, and the inner diameter of the inner pipe body 13 is the same as the inner diameter of the limiting ring 12.

[0030] In use, the inner tube 13 and the outer tube 11 can be matched with two sets of fuel tank drain ports of different sizes. They are connected by docking and insertion. The oil extraction pipe connector 1 designed in this application can meet the quick docking of two different sizes of fuel tank drain ports. It is quick and convenient to use and suitable for large-scale promotion and use.

[0031] In this embodiment, both the inner tube 13 and the outer tube 11 are provided with sealing grooves, and a sealing ring 15 is installed in the sealing groove. The sealing ring 15 can ensure the sealing performance of the inner tube 13 and the outer tube 11 when they are connected to the fuel tank drain port.

[0032] In this embodiment, the filtration mechanism 3 includes a filter box 31, which contains multiple filter slots. Each filter slot is equipped with a fuel filter element 35, and the specifications of the fuel filter elements 35 in each filter slot are different. The filter box 31 is also equipped with a main fuel supply pipe 32, a branch fuel supply pipe 33, a main fuel drain pipe 37, and a branch fuel drain pipe 36. One end of the main fuel supply pipe 32 is connected to the fuel inlet. There are multiple branch fuel supply pipes 33, each corresponding to one of the filter slots. One end of each branch fuel supply pipe 33 is connected to the corresponding filter slot, and the other end of each branch fuel supply pipe 33 is connected to the main fuel supply pipe 32. A control valve 34 is provided on each branch fuel supply pipe 33. There are also multiple branch fuel drain pipes 36, each corresponding to one of the filter slots. One end of each branch fuel drain pipe 36 is connected to the corresponding filter slot, and the other end of each branch fuel drain pipe 36 is connected to the main fuel drain pipe 37. The end of the main fuel drain pipe 37 is connected to the fuel outlet.

[0033] When in use, contaminated fuel enters the fuel supply main 32 through the fuel inlet. The control valve 34 on a single fuel supply branch 33 or multiple fuel supply branch 33 can be opened to achieve single-channel filtration or multi-channel parallel filtration. Multiple fuel filter elements 35 of different specifications can be used in fuel tanks of different engine specifications.

[0034] The working principle of this utility model is as follows:

[0035] Connect the drain port of the fuel tank to be cleaned through the oil pipe connector 1, then insert the high-pressure nozzle 6 into the fuel tank from the filler neck, start the electromagnetic pump 4, and use the high-pressure nozzle 6 to impact the dirt on the inner wall of the fuel tank. The mixture of fuel and dirt is filtered by the filter mechanism 3 under the action of the electromagnetic pump 4. The cleaning effect of the fuel tank is achieved through the circulation filtration method. It can be used for daily cleaning and maintenance of the fuel tank.

[0036] The circuits, electronic components and modules involved are all existing technologies and can be fully implemented by those skilled in the art. Needless to say, the content protected by this utility model does not involve improvements to software and methods.

[0037] The above are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent transformations made using the contents of the present invention specification and drawings, or directly or indirectly applied in related technical fields, are also included in the patent protection scope of the present invention.

[0038] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A fuel tank cleaning device for a diesel generator set, characterized in that, The device includes a filter mechanism, an oil extraction pipe connector, an oil extraction pipe, an oil delivery pipe, an electromagnetic pump, and a high-pressure nozzle. The filter mechanism is provided with an oil inlet and an oil outlet. The oil inlet of the filter mechanism is connected to the oil extraction pipe connector through the oil extraction pipe. The oil outlet of the filter mechanism is connected to the inlet of the electromagnetic pump. The outlet of the electromagnetic pump is connected to the high-pressure nozzle through the oil delivery pipe.

2. The diesel generator fuel tank cleaning device according to claim 1, characterized in that, The oil extraction pipe joint includes an inner pipe body and an outer pipe body. The outer pipe body is in the shape of a ring. A sliding groove is provided inside the outer pipe body. A limit ring is slidably installed in the sliding groove. A limit spring is also provided in the sliding groove. One end of the limit spring is connected to the inner wall of the sliding groove, and the other end of the limit spring is connected to the limit ring. The inner pipe body is fixedly installed on the limit ring.

3. The diesel generator fuel tank cleaning device according to claim 2, characterized in that, The outer diameter of the inner tube is the same as the inner diameter of the outer tube, and the inner diameter of the inner tube is the same as the inner diameter of the limiting ring.

4. The diesel generator fuel tank cleaning device according to claim 3, characterized in that, Both the inner tube and the outer tube have sealing grooves inside, and sealing rings are installed in the sealing grooves.

5. A diesel generator fuel tank cleaning device according to claim 1, characterized in that, The filtration mechanism includes a filter box containing multiple filter slots, each containing a fuel filter element of different specifications. The filter box also includes a main fuel inlet pipe, branch fuel inlet pipes, a main fuel outlet pipe, and branch fuel outlet pipes. One end of the main fuel inlet pipe connects to the fuel inlet. Multiple branch fuel inlet pipes are provided, each corresponding to one of the filter slots. One end of each branch fuel inlet pipe connects to its corresponding filter slot, and the other end connects to the main fuel inlet pipe. Each branch fuel inlet pipe is equipped with a control valve. Multiple branch fuel outlet pipes are also provided, each corresponding to one of the filter slots. One end of each branch fuel outlet pipe connects to its corresponding filter slot, and the other end connects to the main fuel outlet pipe. The end of the main fuel outlet pipe connects to the fuel outlet.