A high-efficiency air filtration device for diesel generator sets

Abstract

This utility model discloses a high-efficiency air intake filtration device for diesel generator sets, relating to the field of diesel generator technology. It includes: a cyclone filter assembly with a dust removal component at its bottom; and a multi-stage filter assembly positioned on top of the cyclone filter assembly. The multi-stage filter assembly comprises multi-stage filter frames, each with an air guide hole at the top and bottom center. A gas flow sensor is fixedly installed on the top of the air guide hole, and the top of the gas flow sensor is fixedly connected to the generator set's air intake pipe via a flange. This utility model achieves a stepped, graded filtration system from coarse to fine, preventing rapid clogging of a single filter element. It also facilitates timely maintenance by staff, preventing forced shutdown of the generator set due to complete filter clogging and ensuring power supply stability.

Description

Technical Field

[0001] This utility model relates to the field of diesel generator technology, and in particular to a high-efficiency air filtration and intake device for diesel generator sets. Background Technology

[0002] As a core component of emergency and mobile power supply, the filtration performance of the intake system of a diesel generator set directly determines the engine's wear rate and operating economy. Diesel generators are precision power machines; even tiny dust particles entering the cylinder can accelerate piston and cylinder wear, thus requiring intake air filtration.

[0003] Currently, existing air intake filtration devices mainly suffer from the following defects: single-stage filtration structures are difficult to simultaneously separate coarse particles and intercept fine particles, while traditional two-stage structures often adopt simple series designs, which cause the intake resistance to rise rapidly with the amount of dust accumulation. When the resistance reaches a certain level, the machine needs to be shut down for maintenance. Frequent maintenance seriously affects the continuity of power supply. Therefore, it is urgent to design a high-efficiency air intake filtration device for diesel generator sets to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a high-efficiency air intake filtration device for diesel generator sets. Its advantage lies in achieving staged filtration, preventing excessively rapid clogging of a single filter element.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A high-efficiency air filtration device for a diesel generator set includes:

[0007] A cyclone filter assembly, wherein a dust removal component is provided at the bottom of the cyclone filter assembly;

[0008] A multi-stage filtration assembly is disposed on top of the cyclone filtration assembly;

[0009] The multi-stage filtration assembly includes a multi-stage filter frame, and air guide holes are provided at the top and bottom middle of the multi-stage filter frame. A gas flow sensor is fixedly installed on the top of the air guide hole, and the top of the gas flow sensor is fixedly connected to the generator set air intake pipe through a flange.

[0010] The above technical solutions achieve a stepped filtration system from coarse to fine, preventing individual filter cartridges from clogging too quickly.

[0011] The present invention is further configured such that the cyclone filter assembly includes a cyclone cylinder, a central tube, spiral blades, and an air inlet pipe, wherein the central tube is fixed at the top center of the cyclone cylinder, the spiral blades are fixedly installed between the outer wall of the central tube and the inner wall of the cyclone cylinder, and the top of the central tube is fixedly connected to the air guide hole located at the bottom through a flange, the air inlet pipe is fixedly installed at the top of the cyclone cylinder along the tangential direction of the cyclone cylinder, and multiple rows of equally spaced air inlets are opened on the top of the outer wall of the air inlet pipe, with the air inlets tilted downwards.

[0012] The above technical solutions facilitate the separation of coarse particles in the air.

[0013] The present invention is further configured such that a rain cap is fixedly installed on the top of the air inlet pipe, and the rain cap covers the outer periphery of the air inlet.

[0014] The above technical solutions can prevent rainwater and debris from entering.

[0015] The present invention is further configured such that the dust removal assembly includes a dust removal hood fixedly installed at the bottom of the cyclone drum via a flange, and a sealing seat is attached to the inner wall of the dust removal hood. The top surface of the sealing seat is designed as a conical surface. Reinforcing rods are fixedly arranged at equal intervals at the bottom of the inner wall of the dust removal hood, and one end of the reinforcing rod is fixed to the same fixing rod. An insertion hole for the fixing rod to be inserted is opened at the middle of the bottom of the sealing seat, and a spring is fixedly installed at the top of the fixing rod and the top of the insertion hole.

[0016] The above technical solution utilizes the gravity of dust to automatically start dust removal, allowing the collected dust to be discharged without stopping the machine, thus avoiding the frequent disassembly and cleaning caused by dust accumulation in traditional devices.

[0017] The present invention is further configured such that one end of the multi-stage filter frame has equally spaced insertion ports, and the inside of the insertion ports and the inner wall of the multi-stage filter frame are fitted with pull-out boxes. The pull-out boxes are fixedly connected to the insertion ports by screws. The top of each pull-out box has an installation groove, and the inner wall of the installation groove is fixedly installed with a third filter element, a second filter element, and a first filter element from top to bottom. The pore size of the third filter element, the second filter element, and the first filter element gradually increases. The bottom of each pull-out box has a vent.

[0018] The above technical solutions enable multi-level filtration.

[0019] The present invention is further configured such that the inner wall of the multi-stage filter frame is fixedly installed with equally spaced guide frames, and the inner walls of the guide frames are all designed to be inclined, and the top of the guide frames are all provided with air inlets communicating with the air vents.

[0020] The present invention is further configured such that an inclined plate is fixedly installed on the inner wall of the pull-out box, and the inclined plate isolates the vent and the mounting groove. A gap for gas flow is provided between one end of the inclined plate and the inner wall of the other end of the pull-out box. A handle is fixedly installed on the outer wall of one end of the pull-out box.

[0021] The above technical solutions guide airflow smoothly through the filter element, reducing resistance loss caused by airflow turbulence and ensuring the intake efficiency of the generator set.

[0022] The present invention is further configured such that an alarm is fixedly installed on one side of the multi-stage filter frame, and the alarm and the gas flow sensor are electrically connected to the control system of the generator set.

[0023] The above technical solutions make it easier to remind staff to pull out the pull-out box to clean or replace the filter element.

[0024] The beneficial effects of this utility model are as follows:

[0025] In this invention, coarse particles in the air are first separated by a cyclone filter assembly, and then fine particles are intercepted by filter elements with different pore sizes in a multi-stage filter frame, achieving a step-by-step graded filtration from coarse to fine, thus avoiding excessive clogging of a single filter element.

[0026] In this invention, the dust removal component can automatically open and remove dust by the gravity of the dust through the cooperation of the spring and the sealing seat, without stopping the machine to remove the collected dust, thus avoiding the frequent disassembly and cleaning caused by dust accumulation in traditional devices.

[0027] In this invention, a gas flow sensor monitors the outflow of gas in real time. When the filter element becomes clogged, causing the intake resistance to increase and the flow rate to decrease, the sensor will transmit a signal to the control system, triggering an alarm to remind staff to perform timely maintenance, thus preventing the generator set from being forced to shut down due to complete filter element blockage and ensuring power supply stability.

[0028] In this invention, the inclined guide frame in the multi-stage filter frame and the inclined plate in the pull-out box can guide the airflow smoothly through the filter element, reduce the resistance loss caused by airflow turbulence, and ensure the air intake efficiency of the generator set. Attached Figure Description

[0029] Figure 1 This is a perspective view of a high-efficiency air filtration and intake device for a diesel generator set proposed in this utility model.

[0030] Figure 2 This is a three-dimensional sectional view of a high-efficiency air filtration and intake device for a diesel generator set proposed in this utility model;

[0031] Figure 3 This is a schematic diagram of the air inlet pipe and air inlet structure of a high-efficiency filtering air intake device for a diesel generator set proposed in this utility model.

[0032] Figure 4 This is a schematic diagram of the dust removal component structure of a high-efficiency filtration and intake device for a diesel generator set proposed in this utility model;

[0033] Figure 5 This is a schematic diagram of the guide frame and inlet structure of a high-efficiency air filtration and intake device for a diesel generator set proposed in this utility model.

[0034] Figure 6 This is a schematic diagram of the mounting groove and air inlet structure of a high-efficiency filter air intake device for a diesel generator set proposed in this utility model.

[0035] In the diagram: 1. Cyclone filter assembly; 101. Cyclone tube; 102. Central tube; 103. Spiral blades; 104. Air inlet pipe; 105. Air inlet; 2. Multi-stage filter frame; 3. Pull-out box; 4. Handle; 5. Gas flow sensor; 6. Generator set air inlet pipe; 7. Alarm; 8. Rain cap; 9. Dust removal assembly; 901. Dust hood; 902. Fixing rod; 903. Sealing seat; 904. Reinforcing rod; 905. Insertion hole; 906. Spring; 10. Guide frame; 11. First filter element; 12. Second filter element; 13. Third filter element; 14. Air guide hole; 15. Inclined plate; 16. Insertion port; 17. Mounting groove; 18. Vent. Detailed Implementation

[0036] The technical solution of this utility model will be further described in detail below with reference to specific embodiments.

[0037] Reference Figure 1-6 This utility model provides a high-efficiency air filtration and intake device for diesel generator sets, comprising:

[0038] The cyclone filter assembly 1 includes a cyclone cylinder 101, a central tube 102, a spiral blade 103, and an air inlet pipe 104. The central tube 102 is fixed at the top center of the cyclone cylinder 101. The spiral blade 103 is fixedly installed between the outer wall of the central tube 102 and the inner wall of the cyclone cylinder 101. The top of the central tube 102 is fixedly connected to the air guide hole 14 located at the bottom via a flange. The air inlet pipe 104 is fixedly installed at the top of the cyclone cylinder 101 tangentially. Multiple rows of equally spaced air inlets 105 are opened on the top of the outer wall of the air inlet pipe 104, with the air inlets 105 tilted downwards. A [missing information - likely a device or component] is fixedly installed at the top of the air inlet pipe 104. A rain cap 8 is provided, and the rain cap 8 is wrapped around the air inlet 105. A dust removal assembly 9 is provided at the bottom of the cyclone filter assembly 1. The dust removal assembly 9 includes a dust removal cover 901 fixedly installed at the bottom of the cyclone tube 101 by a flange. A sealing seat 903 is attached to the inner wall of the dust removal cover 901. The top surface of the sealing seat 903 is designed as a conical surface. Reinforcing rods 904 are fixed at equal intervals at the bottom of the inner wall of the dust removal cover 901. One end of the reinforcing rod 904 is fixed with the same fixing rod 902. An insertion hole 905 for the fixing rod 902 to be inserted is opened at the middle of the bottom of the sealing seat 903. A spring 906 is fixedly installed at the top of the fixing rod 902 and the top of the insertion hole 905.

[0039] A multi-stage filtration assembly is provided on top of the cyclone filter assembly 1.

[0040] The multi-stage filtration assembly includes a multi-stage filter frame 2, with air guide holes 14 at the top and bottom center of each frame. A gas flow sensor 5 is fixedly mounted on the top of the air guide hole 14. The top of the gas flow sensor 5 is fixedly connected to the generator set intake pipe 6 via a flange. One end of the multi-stage filter frame 2 has evenly spaced inlets 16, and a pull-out box 3 is fitted inside both the inlets 16 and the inner wall of the multi-stage filter frame 2. The pull-out box 3 is fixedly connected to the inlets 16 via screws. The top of each of the three filter cartridges 3 is provided with a mounting groove 17, and the inner wall of the mounting groove 17 is fixedly installed with the third filter element 13, the second filter element 12 and the first filter element 11 from top to bottom. The pore size of the third filter element 13, the second filter element 12 and the first filter element 11 gradually increases. The bottom of each of the pull-out boxes 3 is provided with an air vent 18. The coarse particles in the air are separated by the cyclone filter assembly 1, and then the fine particles are intercepted by the filter elements with different pore sizes in the multi-stage filter frame 2, so as to achieve a step-by-step graded filtration from coarse to fine, and avoid the single filter element from clogging too quickly.

[0041] To ensure intake efficiency, refer to Figure 2 , Figure 5 and Figure 6The inner wall of the multi-stage filter frame 2 is fixedly equipped with equally spaced guide frames 10, and the inner walls of the guide frames 10 are all designed to be inclined. The top of each guide frame 10 is provided with an air vent that communicates with the air vent 18. The inner wall of the pull-out box 3 is fixedly equipped with an inclined plate 15, which isolates the air vent 18 and the mounting groove 17. A gap for gas flow is provided between one end of the inclined plate 15 and the inner wall of the other end of the pull-out box 3. A handle 4 is fixedly installed on the outer wall of one end of the pull-out box 3. The guide frames 10 and the inclined plate 15 can guide the airflow smoothly through the filter element, reduce the resistance loss caused by airflow turbulence, and ensure the air intake efficiency of the generator set.

[0042] To remind people to replace and clean filter cartridges in a timely manner, please refer to... Figure 1 An alarm 7 is fixedly installed on one side of the multi-stage filter frame 2, and the alarm 7 and the gas flow sensor 5 are electrically connected to the control system of the generator set. The gas flow sensor 5 monitors the gas flow in real time. If the filter element is blocked and the flow is abnormal, it will transmit the signal to the control system of the generator set. The control system will trigger the alarm 7 to issue an early warning, reminding the staff to pull out the pull-out box 3 to clean or replace the filter element.

[0043] Working principle: External air first enters through the air inlet 105 and air inlet pipe 104 of the cyclone filter assembly 1. With the rain cap 8 on top, rainwater and debris can be blocked. After the air enters, it rotates along the inner wall of the cyclone cylinder 101 under the guidance of the spiral blades 103, generating centrifugal force to throw coarse particles toward the cylinder wall. These impurities fall downward into the dust removal assembly 9 under the action of gravity.

[0044] The dust removal hood 901 of the dust removal assembly 9 is connected to the bottom of the cyclone 101 via a flange. The top surface of the internal sealing seat 903 is conical. Relying on the cooperation of the fixing rod 902 and the spring 906, it can be automatically opened by the gravity of the dust to discharge the collected dust and achieve automatic dust removal.

[0045] After being coarsely filtered, the air enters the multi-stage filtration assembly located at the top of the cyclone filter assembly 1 through the central tube 102 at the top of the cyclone tube 101. After entering, the air is guided by the guide frame 10 and flows sequentially to multiple pull-out boxes 3. The internal mounting groove 17 has a third filter element 13, a second filter element 12 and a first filter element 11 with gradually increasing filter hole diameters, which are fixed from top to bottom. The air passes through these filter elements in sequence to achieve fine particle interception. At the same time, the inclined plate 15 in the pull-out box 3 can guide the airflow to pass smoothly through the air inlet 18.

[0046] The filtered air enters the gas flow sensor 5 through the middle air guide hole 14 at the top of the multi-stage filter frame 2, and then enters the generator set through the generator set air intake pipe 6 at the top of the gas flow sensor 5. At the same time, the gas flow sensor 5 monitors the outflow flow in real time. If the filter element is blocked and causes abnormal flow, it will transmit a signal to the generator set control system. The control system will trigger the alarm 7 to issue a warning, reminding the staff to pull out the pull-out box 3 to clean or replace the filter element.

[0047] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A high efficiency filtration intake device for a diesel generator set, comprising: include: A cyclone filter assembly (1) is provided with a dust removal assembly (9) at its bottom; A multi-stage filtration assembly is disposed on top of the cyclone filtration assembly (1); The multi-stage filtration assembly includes a multi-stage filter frame (2), and air guide holes (14) are provided at the top and bottom middle of the multi-stage filter frame (2). A gas flow sensor (5) is fixedly installed on the top of the air guide hole (14), and the top of the gas flow sensor (5) is fixedly connected to the generator set air intake pipe (6) through a flange.

2. A high efficiency air filtration device for a diesel generator set as defined in claim 1 wherein, The cyclone filter assembly (1) includes a cyclone cylinder (101), a central tube (102), a spiral blade (103), and an air inlet pipe (104). The central tube (102) is fixed at the top center of the cyclone cylinder (101). The spiral blade (103) is fixedly installed between the outer wall of the central tube (102) and the inner wall of the cyclone cylinder (101). The top of the central tube (102) is fixedly connected to the air guide hole (14) located at the bottom through a flange. The air inlet pipe (104) is fixedly installed at the top of the cyclone cylinder (101) along the tangential direction. The top of the outer wall of the air inlet pipe (104) has multiple rows of equally spaced air inlets (105), and the air inlets (105) are inclined downwards.

3. A high efficiency air filtration device for a diesel generator set as defined in claim 2, wherein, A rain cap (8) is fixedly installed on the top of the air inlet pipe (104), and the rain cap (8) wraps around the air inlet (105).

4. A high efficiency air filtration device for a diesel generator set as defined in claim 3 wherein, The dust removal assembly (9) includes a dust removal hood (901) fixedly installed at the bottom of the cyclone tube (101) via a flange, and a sealing seat (903) is attached to the inner wall of the dust removal hood (901). The top surface of the sealing seat (903) is designed as a conical surface. Reinforcing rods (904) are fixed at equal intervals at the bottom of the inner wall of the dust removal hood (901), and one end of the reinforcing rod (904) is fixed with the same fixing rod (902). An insertion hole (905) for the fixing rod (902) to be inserted is opened at the middle of the bottom of the sealing seat (903), and a spring (906) is fixedly installed at the top of the fixing rod (902) and the top of the insertion hole (905).

5. A high efficiency air filtration device for a diesel generator set as defined in claim 4 wherein, One end of the multi-stage filter frame (2) is provided with equally spaced inlets (16), and the inside of the inlets (16) and the inner wall of the multi-stage filter frame (2) are fitted with pull-out boxes (3). The pull-out boxes (3) and the inlets (16) are fixedly connected by screws. The top of the pull-out boxes (3) is provided with mounting grooves (17), and the inner wall of the mounting grooves (17) is fixedly installed with a third filter element (13), a second filter element (12) and a first filter element (11) from top to bottom. The filter pore diameters of the third filter element (13), the second filter element (12) and the first filter element (11) gradually increase. The bottom of the pull-out boxes (3) is provided with vents (18).

6. A high efficiency air filtration device for a diesel generator set as defined in claim 5 wherein, The inner wall of the multi-stage filter frame (2) is fixedly equipped with equally spaced guide frames (10), and the inner walls of the guide frames (10) are all designed to be inclined. The top of the guide frames (10) is provided with an air inlet that communicates with the air vent (18).

7. The high-efficiency air filtration and intake device for a diesel generator set according to claim 6, characterized in that, An inclined plate (15) is fixedly installed on the inner wall of the pull-out box (3), and the inclined plate (15) isolates the vent (18) and the mounting groove (17). A gap for gas flow is provided between one end of the inclined plate (15) and the inner wall of the other end of the pull-out box (3). A handle (4) is fixedly installed on the outer wall of one end of the pull-out box (3).

8. A high efficiency filtered air induction system for a diesel generator set as defined in claim 1 wherein, An alarm (7) is fixedly installed on one side of the multi-stage filter frame (2), and the alarm (7) and the gas flow sensor (5) are electrically connected to the control system of the generator set.

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