Low-pressure dry-type oil-free rotary-tooth air compressor
By integrating a smart filtration system with dynamic filtration and automatic replacement, the problem of traditional filters being unable to adapt to pollution conditions is solved, enabling the air compressor to operate efficiently and reliably with low-cost maintenance, making it suitable for industrial fields with high air quality requirements.
Patent Information
- Application Number
- CN202511765382.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-27
- Publication Date
- 2026-02-10
AI Technical Summary
Traditional ordinary filters can only filter passively, with a single filtration effect. They cannot be replaced according to the actual pollution situation, which leads to wear and tear on the core components of the air compressor, a decline in compressed air quality, and contamination of downstream equipment and products.
It adopts an intelligent filtration system that integrates dynamic filtration, real-time monitoring and automatic replacement, including a pre-separation frame, activated carbon adsorption plate and sensors. The system achieves dynamic air filtration and automatic filter replacement through drive motor and servo motor. Combined with cleaning brush plate and adaptive sealing design, it ensures air quality and system stability.
It enables intelligent maintenance and high-reliability operation of air compressors, improves filtration efficiency, extends filter life, reduces maintenance costs, prevents contaminants from entering core components, and ensures the purity of compressed air.
Smart Images

Figure CN121497622A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of air compressors, in particular to a low-pressure dry-type oil-free gear air compressor. BACKGROUND
[0002] The low-pressure dry-type oil-free gear air compressor is a device capable of compressing air without lubricating oil, and the core feature is to realize air compression through a gear structure, output pure compressed air, and be suitable for scenes with high requirements for air quality, such as medicine, food processing and electronic manufacturing. The working principle adopts a gear design, air is compressed through screw engagement or similar mechanisms, and the whole process is free of direct metal friction, thereby avoiding the risk of oil pollution.
[0003] The core advantage of the low-pressure dry-type oil-free gear air compressor is to provide clean and oil-free compressed air, however, this advantage is highly dependent on the quality of the inlet air, and the traditional general filter can only passively filter, the filtering effect is single, when the filter core is saturated or damaged, it cannot be prewarned, leading to the invasion of pollutants without symptoms, the maintenance cycle relies on experience to replace regularly, and it cannot be replaced according to the actual pollution condition, which may cause waste of filter material in a clean environment and untimely replacement in a harsh environment, thereby directly leading to wear of core components of the air compressor, decline of compressed air quality and pollution of downstream equipment and products. SUMMARY
[0004] The application discloses a low-pressure dry-type oil-free gear air compressor, and aims to solve the technical problems in the background art that the traditional general filter can only passively filter, the filtering effect is single, and the filter cannot be replaced according to the actual pollution condition, thereby directly leading to wear of core components of the air compressor, decline of compressed air quality and pollution of downstream equipment and products.
[0005] The low-pressure dry-type oil-free gear air compressor provided by the application comprises an air compressor shell, a control panel and an emergency button are arranged on the outer part of the air compressor shell, an installation panel is fixedly connected to the inner part of the air compressor shell, a protection module is arranged above the installation panel, the protection module comprises two fixing frames, a same pre-separation frame is fixedly connected to one side of the two fixing frames, a tool cover plate is connected to one side of the pre-separation frame through bolts, an air inlet is formed in one side of the pre-separation frame, and an air inlet mechanism is arranged in the air inlet.
[0006] In an optimal scheme, a U-shaped partition plate is fixedly connected to the inner side of the pre-separation frame, one side of the U-shaped partition plate is in abutment with one side of the tool cover plate, round holes one are formed in the two sides of the U-shaped partition plate, rotating circular pipes are connected to the inner parts of the two round holes one through bearings, a same separation cylinder is fixedly connected to the opposite sides of the two rotating circular pipes, filter holes are equidistantly formed in the outer part of the separation cylinder, a collecting opening is formed in the bottom side of the pre-separation frame, and a collecting cover plate is connected to one side of the collecting opening through a hinge.
[0007] In an preferred scheme, the outer side of the pre-separation frame is fixedly connected with a driving motor, and the driving end of the driving motor is fixedly connected with a belt pulley outside one of the rotating circular tubes, the outer sides of the two belt pulleys are slidingly connected with the same belt, one side of the U-shaped partition plate is fixedly connected with two tool blocks, one side of each of the two tool blocks is connected with a support rod through a bearing, one side of each of the two support rods is provided with a notch, the inner side of each of the two notches is slidingly connected with a movable circular rod, the outer side of each of the two movable circular rods is fixedly connected with the same cleaning brush plate, the outer side of the cleaning brush plate abuts against the outer side of the separation cylinder, one side of each of the two support rods is fixedly connected with two extrusion springs, and one side of each of the extrusion springs is fixedly connected with one side of the U-shaped partition plate.
[0008] In an preferred scheme, one side of the pre-separation frame is provided with a pump body, the air suction end of the pump body is connected with the inner side of the pre-separation frame through an air suction pipe, the air exhaust end of the pump body is fixedly connected with an air outlet pipe, the outer side of the air outlet pipe is connected with a particle sensor through a flange, one end of the air outlet pipe is fixedly connected with an upper treatment frame, and the upper side of the mounting panel is fixedly connected with a lower treatment frame.
[0009] In an preferred scheme, one side of the inner side of the upper treatment frame is fixedly connected with a support rod, one side of the support rod is fixedly connected with a flow distribution disc, the flow distribution disc is located at the air outlet port of the air outlet pipe, one side of the mounting panel is fixedly connected with a servo motor, and the driving end of the servo motor is fixedly connected with a cross-shaped rotating rod.
[0010] In an preferred scheme, the plurality of sides of the cross-shaped rotating rod are fixedly connected with a plurality of placement circular frames, and the plurality of placement circular frames are each placed with an activated carbon adsorption plate, one of the activated carbon adsorption plates is located at the connecting port of the upper treatment frame and the lower treatment frame, the outer side of the lower treatment frame is provided with a mounting circular port, the inner side of the mounting circular port is fixedly connected with an air guide pipe, and the outer side of the air guide pipe is connected with a flow sensor through a flange.
[0011] In an preferred scheme, the outer side of the lower treatment frame is provided with a stabilizing module, and the stabilizing module comprises two U-shaped mounting blocks, each of the two U-shaped mounting blocks is connected with a rotating arm through a bearing, one side of each of the two U-shaped mounting blocks is provided with a driver, and the driving end of the driver is fixedly connected with one side of the rotating arm.
[0012] In an preferred scheme, one side of each of the two rotating arms is provided with a circular sliding hole, the inner side of each of the two circular sliding holes is slidingly connected with a self-adapting circular sliding column, one end of each of the two self-adapting circular sliding columns is fixedly connected with a clamping abutment plate, the outer side of the clamping abutment plate abuts against the outer side of the placement circular frame located at the connecting port of the upper treatment frame and the lower treatment frame, one side of each of the two self-adapting circular sliding columns is fixedly connected with an extension spring, and one side of the extension spring is fixedly connected with one side of the rotating arm.
[0013] In a preferred embodiment, the bottom of the air compressor housing is provided with an intake silencer box, an intake valve, a drive unit, a primary main unit, a secondary main unit, and a steam-water separator, and the air inlet port of the intake silencer box is fixedly connected to one end of the air guide pipe.
[0014] In a preferred embodiment, a primary cooler, a secondary cooler, an exhaust silencer box, and a steam-water separator are respectively provided below the mounting panel. An installation port is provided on one side of the air compressor housing, and an exhaust pipe is fixedly connected inside the installation port.
[0015] As can be seen from the above, the low-pressure dry oil-free rotary air compressor provided by the present invention has the advantages of intelligent maintenance and high reliability operation of air compressor by integrating dynamic filtration, real-time monitoring, automatic replacement and stable sealing. It effectively solves the pain point that traditional filters cannot adapt to actual pollution conditions and is suitable for industrial fields with high air quality requirements. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the main structure of a low-pressure dry oil-free rotary air compressor proposed in this invention; Figure 2 This is a schematic diagram of the internal structure of a low-pressure dry oil-free rotary air compressor proposed in this invention; Figure 3 This is a schematic diagram of the protective module structure of a low-pressure dry oil-free rotary air compressor proposed in this invention; Figure 4 This is a schematic diagram of the protective module structure of a low-pressure dry oil-free rotary air compressor proposed in this invention. Figure 5 This is a schematic diagram of the manifold structure of a low-pressure dry oil-free rotary air compressor proposed in this invention; Figure 6 This is a schematic diagram of the separation cylinder section of a low-pressure dry oil-free rotary air compressor proposed in this invention. Figure 7 This is a schematic diagram of the stable module structure of a low-pressure dry oil-free rotary air compressor proposed in this invention.
[0017] In the diagram: 1. Air compressor housing; 2. Control panel; 3. Emergency stop button; 4. Protective module; 401. Fixture; 402. Pre-separation frame; 403. Tooling cover; 404. Inlet mechanism; 405. Outlet pipe; 406. Particle sensor; 407. Upper processing frame; 408. Servo motor; 409. Cross-shaped rotating rod; 410. Placement frame; 411. Activated carbon adsorption plate; 412. Lower processing frame; 413. Air guide pipe; 414. Flow sensor; 415. U-shaped partition; 416. Separation cylinder; 417. Rotating pipe; 418. Intake pipe; 419. Pump body; 420. Drive motor; 421. Belt; 422. Support 423. Rod; 424. Diverter plate; 425. Collection cover plate; 426. Tooling block; 427. Compression spring; 428. Support rod; 429. Movable round rod; 420. Cleaning brush plate; 5. Stabilizing module; 501. U-shaped mounting block; 502. Rotating arm; 503. Driver; 504. Adaptive sliding column; 505. Telescopic spring; 506. Clamping stop plate; 6. Mounting panel; 7. Secondary cooler; 8. Intake silencer box; 9. Drive unit; 10. Primary main unit; 11. Intake valve; 12. Primary cooler; 13. Steam-water separator one; 14. Exhaust silencer box; 15. Secondary main unit; 16. Steam-water separator two; 17. Exhaust round pipe. Detailed Implementation
[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.
[0019] The low-pressure dry oil-free rotary air compressor disclosed in this invention is mainly used in scenarios where traditional ordinary filters can only passively filter, have a single filtration effect, and cannot be replaced according to the actual pollution situation. This directly leads to wear of the core components of the air compressor, decline in compressed air quality, and contamination of downstream equipment and products.
[0020] Reference Figures 1-7 A low-pressure dry oil-free rotary air compressor includes an air compressor housing 1. A control panel 2 and an emergency stop button 3 are respectively provided on the outside of the air compressor housing 1. An installation panel 6 is fixedly connected inside the air compressor housing 1. A protective module 4 is provided on the top of the installation panel 6. The protective module 4 includes two fixing brackets 401. A pre-separation frame 402 is fixedly connected to one side of the two fixing brackets 401. A tooling cover plate 403 is bolted to one side of the pre-separation frame 402. An air inlet is opened on one side of the pre-separation frame 402. An air inlet mechanism 404 is provided inside the air inlet.
[0021] Reference Figures 1-6In a preferred embodiment, a U-shaped partition 415 is fixedly connected to one side of the pre-separation frame 402, and one side of the U-shaped partition 415 abuts against one side of the tooling cover plate 403. Both sides of the U-shaped partition 415 are provided with a circular hole, and the interior of the two circular holes is connected to a rotating circular tube 417 through a bearing. The opposite sides of the two rotating circular tubes 417 are fixedly connected to the same separation cylinder 416. Filter holes are provided at equal intervals on the outside of the separation cylinder 416. A collection port is provided on one side of the bottom of the pre-separation frame 402, and a collection cover plate 424 is connected to one side of the collection port through a hinge.
[0022] Reference Figures 1-6 In a preferred embodiment, a drive motor 420 is fixedly connected to the outer side of the pre-separation frame 402, and a pulley is fixedly connected to the drive end of the drive motor 420 and the outer side of one of the rotating cylindrical tubes 417. The two pulleys are slidably connected to the same belt 421. Two tooling blocks 425 are fixedly connected to one side of the U-shaped partition 415. Support rods 427 are connected to one side of each tooling block 425 via bearings. A slot is opened on one side of each support rod 427. Movable cylindrical rods 428 are slidably connected inside the two slots. The same cleaning brush plate 429 is fixedly connected to the outer side of the two movable cylindrical rods 428. The outer side of the cleaning brush plate 429 abuts against the outer side of the separation cylinder 416. Two compression springs 426 are fixedly connected to one side of each support rod 427. One side of the compression springs 426 is fixedly connected to one side of the U-shaped partition 415.
[0023] Reference Figures 1-6 In a preferred embodiment, a pump body 419 is provided on one side of the pre-separation frame 402, and the suction end of the pump body 419 is connected to the inside of the pre-separation frame 402 through a suction pipe 418. The exhaust end of the pump body 419 is fixedly connected to an exhaust pipe 405. A particle sensor 406 is connected to the outside of the exhaust pipe 405 through a flange. An upper processing frame 407 is fixedly connected to one end of the exhaust pipe 405. A lower processing frame 412 is fixedly connected to the upper side of the mounting panel 6. The opening and closing parts of the upper processing frame 407 and the lower processing frame 412 are the same size.
[0024] Reference Figures 1-6 In a preferred embodiment, a support rod 422 is fixedly connected to one side of the upper processing frame 407, and a diverter plate 423 is fixedly connected to one side of the support rod 422. The diverter plate 423 is located at the air outlet port of the air outlet pipe 405. A servo motor 408 is fixedly connected to one side of the mounting panel 6, and a cross rotating rod 409 is fixedly connected to the drive end of the servo motor 408.
[0025] Reference Figures 1-6In a preferred embodiment, multiple sides of the cross-shaped rotating rod 409 are fixedly connected to placement circular frames 410, and activated carbon adsorption plates 411 are placed in each of the multiple placement circular frames 410. One of the activated carbon adsorption plates 411 is located at the connection port between the upper processing frame 407 and the lower processing frame 412. The lower processing frame 412 has an installation circular opening on its exterior. An air guide pipe 413 is fixedly connected inside the installation circular opening. A flow sensor 414 is connected to the exterior of the air guide pipe 413 through a flange.
[0026] Specifically, external air enters the pre-separation frame 402 through the air intake mechanism 404. The drive motor 420 drives the rotating tube 417 and the separation cylinder 416 to rotate via the belt 421. During rotation, the filter holes on the surface of the separation cylinder 416 dynamically filter the air, trapping large particles such as dust and fibers on the outside of the separation cylinder 416. At the same time, the cleaning brush plate 429, under the action of the compression spring 426, adheres tightly to the surface of the separation cylinder 416, automatically brushing away impurities attached to the filter holes to prevent clogging. At the bottom of the pre-separation frame 402, the collection cover 424 can be opened for periodic cleaning. Pre-treated air is drawn in by the pump body 419 through the suction pipe 418 and delivered to the upper treatment frame 407 via the outlet pipe 405. The particle sensor 406 monitors the particulate matter concentration in the outlet pipe 405 in real time. If excessive particulate matter is detected, it indicates a decrease in pre-separation effect. An alarm can be triggered via the control panel 2, or subsequent processing parameters can be automatically adjusted. After entering the upper treatment frame 407, the airflow is dispersed by the diverter plate 423 to ensure uniform passage through the activated carbon adsorption plate 411. The activated carbon adsorption plate 411 is installed inside the placement circular frame 410. A cross-shaped rotating rod 409 driven by the servo motor 408 rotates multiple placement circular frames 410, automatically replacing the activated carbon adsorption plate 411 according to the pollution status. For example, when the data from the particle sensor 406 or flow sensor 414 is abnormal, the servo motor 408 will rotate the cross-shaped rotating rod 409, removing the saturated activated carbon adsorption plate 411 from the processing channel and replacing it with a new adsorption plate to ensure adsorption efficiency. The treated air then passes through… After the air duct 413 and flow sensor 414 monitor the flow rate, the air enters the intake silencer box 8 and intake valve 11. Then, the drive unit 9 drives the first-stage main unit 10 and the second-stage main unit 15 to perform multi-stage compression. After the compressed air is cooled by the first-stage cooler 12 and the second-stage cooler 7, the moisture is removed by the first steam-water separator 13 and the second steam-water separator 16. Finally, it is discharged through the exhaust silencer box 14 and the exhaust pipe 17. Throughout the process, the control panel 2 integrates sensor data to realize intelligent control, and the emergency button 3 is used for quick shutdown.
[0027] In specific application scenarios, the separating cylinder 416 rotates under the drive of the drive motor 420, and combined with the automatic cleaning of the cleaning brush plate 429, it realizes active filtration of air, effectively preventing filter pore blockage and extending filter life. Compared with traditional passive filters, the filtration efficiency is improved, especially suitable for high dust environments. The particle sensor 406 and flow sensor 414 monitor air quality and flow in real time, and the data is fed back to the control panel 2. When the particulate matter concentration exceeds the standard or the flow is abnormal, the system automatically alarms or triggers maintenance actions to prevent pollutants from entering core components such as the primary host 10 and the secondary host 15, reducing equipment wear and the risk of downstream product contamination. The servo motor 408 drives the cross rotating rod 409 to rotate multiple activated carbon adsorption plates 411. The system can automatically replace saturated filter elements according to sensor data without manual intervention. This not only avoids the waste of filter material caused by experience-based timed replacement, but also extends the maintenance cycle in clean environments or when replacement is not timely, and in harsh environments, significantly reducing operating costs.
[0028] Reference Figure 2 , Figure 3 and Figure 7 In a preferred embodiment, a stabilizing module 5 is provided on the outside of the lower processing frame 412, and the stabilizing module 5 includes two U-shaped mounting blocks 501. A rotating arm 502 is connected to each of the two U-shaped mounting blocks 501 by a bearing. A driver 503 is provided on one side of each of the two U-shaped mounting blocks 501, and the driving end of the driver 503 is fixedly connected to one side of the rotating arm 502.
[0029] Reference Figure 2 , Figure 3 and Figure 7 In a preferred embodiment, each of the two rotating arms 502 has a smooth hole on one side, and an adaptive smooth column 504 is slidably connected inside each of the two smooth holes. One end of each of the two adaptive smooth columns 504 is fixedly connected to a clamping plate 506. The outside of the clamping plate 506 abuts against the outside of the placement circular frame 410 located at the connection port between the upper processing frame 407 and the lower processing frame 412. One side of each of the two adaptive smooth columns 504 is fixedly connected to a telescopic spring 505, and one side of the telescopic spring 505 is fixedly connected to one side of the rotating arm 502.
[0030] Specifically, the stabilizing module 5 controls the rotation of the rotating arm 502 through the driver 503, so that the clamping plate 506 is tightly attached to the outside of the placement round frame 410 under the action of the telescopic spring 505, ensuring that the activated carbon adsorption plate 411 remains stable and sealed in the processing channel, preventing air leakage or short circuit. This adaptive design can compensate for component wear or installation errors and improve reliability.
[0031] Reference Figure 1 and Figure 2In a preferred embodiment, the bottom of the air compressor housing 1 is provided with an intake silencer box 8, an intake valve 11, a drive unit 9, a primary main unit 10, a secondary main unit 15, and a steam-water separator 13. The air inlet of the intake silencer box 8 is fixedly connected to one end of the air guide pipe 413.
[0032] Reference Figure 1 and Figure 2 In a preferred embodiment, a primary cooler 12, a secondary cooler 7, an exhaust silencer box 14, and a steam-water separator 16 are respectively provided below the mounting panel 6. An installation port is provided on one side of the air compressor housing 1, and an exhaust pipe 17 is fixedly connected inside the installation port.
[0033] Working principle: External air enters the pre-separation frame 402 through the air intake mechanism 404. The drive motor 420 drives the rotating tube 417 and the separation cylinder 416 to rotate via the belt 421. The filter holes on the surface of the separation cylinder 416 dynamically filter the air during rotation. Large particles such as dust and fibers are trapped on the outside of the separation cylinder 416. At the same time, the cleaning brush plate 429 is pressed against the surface of the separation cylinder 416 by the compression spring 426, automatically brushing away the impurities attached to the filter holes to prevent clogging. The impurities remain at the bottom of the pre-separation frame 402. The collection cover 424 is then opened. The air can be cleaned periodically. Pre-treated air is drawn in by pump body 419 through suction pipe 418 and delivered to upper processing frame 407 via exhaust pipe 405. Particle sensor 406 monitors the particulate matter concentration in exhaust pipe 405 in real time. If excessive particulate matter is detected, it indicates a decrease in pre-separation effect. An alarm can be triggered via control panel 2, or subsequent processing parameters can be automatically adjusted. After entering upper processing frame 407, the airflow is dispersed by distribution plate 423 to ensure uniform passage through activated carbon adsorption plate 411. Activated carbon adsorption plate 411 is installed inside placement circular frame 410 and is driven by servo motor 408 in a cross shape. The rotating rod 409 drives multiple placement circular frames 410 to rotate, automatically replacing the activated carbon adsorption plates 411 according to the pollution status. For example, when the data from the particle sensor 406 or the flow sensor 414 is abnormal, the servo motor 408 will rotate the cross-shaped rotating rod 409 to remove the saturated activated carbon adsorption plate 411 from the processing flow channel and replace it with a new adsorption plate to ensure adsorption efficiency. After the treated air passes through the air guide pipe 413 and the flow sensor 414 to monitor the flow rate, it enters the intake silencer box 8 and the intake valve 11. Subsequently, the drive unit 9 drives the primary host 10 and the secondary host 15 for multi-stage processing. The compressed air is cooled by the first-stage cooler 12 and the second-stage cooler 7, and then the moisture is removed by the first steam-water separator 13 and the second steam-water separator 16. Finally, it is discharged through the exhaust silencer box 14 and the exhaust pipe 17. Throughout the process, the control panel 2 integrates sensor data to realize intelligent control. The emergency button 3 is used for quick shutdown. The drive 503 controls the rotation of the rotating arm 502, so that the clamping plate 506 is tightly attached to the outside of the placement frame 410 under the action of the telescopic spring 505, ensuring that the activated carbon adsorption plate 411 remains stable and sealed in the processing channel to prevent air leakage or short circuit.
[0034] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.
Claims
1. A low-pressure dry oil-free rotary air compressor, comprising an air compressor housing (1), characterized in that, The air compressor housing (1) is provided with a control panel (2) and an emergency button (3) on the outside. The air compressor housing (1) is fixedly connected to an installation panel (6). A protective module (4) is provided above the installation panel (6). The protective module (4) includes two fixing brackets (401). The same pre-separation frame (402) is fixedly connected to one side of the two fixing brackets (401). A tooling cover plate (403) is bolted to one side of the pre-separation frame (402). An air inlet is provided on one side of the pre-separation frame (402). An air inlet mechanism (404) is provided inside the air inlet.
2. The low-pressure dry oil-free rotary air compressor according to claim 1, characterized in that, A U-shaped partition (415) is fixedly connected to one side of the pre-separation frame (402), and one side of the U-shaped partition (415) abuts against one side of the tooling cover plate (403). Both sides of the U-shaped partition (415) are provided with a circular hole. The interior of the two circular holes is connected to a rotating circular tube (417) through a bearing. The opposite sides of the two rotating circular tubes (417) are fixedly connected to the same separation cylinder (416). Filter holes are provided at equal intervals on the outside of the separation cylinder (416). A collection port is provided on one side of the bottom of the pre-separation frame (402), and a collection cover plate (424) is connected to one side of the collection port through a hinge.
3. A low-pressure dry oil-free rotary air compressor according to claim 2, characterized in that, A drive motor (420) is fixedly connected to one side of the pre-separation frame (402), and the drive end of the drive motor (420) is fixedly connected to the outside of one of the rotating round tubes (417) with pulleys. The two pulleys are slidably connected to the same belt (421). Two tooling blocks (425) are fixedly connected to one side of the U-shaped partition (415). Support rods (427) are connected to one side of each tooling block (425) via bearings. A slot is opened on one side of each support rod (427). Movable round rods (428) are slidably connected inside the two slots. The same cleaning brush plate (429) is fixedly connected to the outside of the two movable round rods (428). The outside of the cleaning brush plate (429) abuts against the outside of the separation cylinder (416). Two compression springs (426) are fixedly connected to one side of each support rod (427). One side of the compression spring (426) is fixedly connected to one side of the U-shaped partition (415).
4. A low-pressure dry oil-free rotary air compressor according to claim 3, characterized in that, A pump body (419) is provided on one side of the pre-separation frame (402), and the suction end of the pump body (419) is connected to the inside of the pre-separation frame (402) through the suction pipe (418). The exhaust end of the pump body (419) is fixedly connected to the exhaust pipe (405). The outside of the exhaust pipe (405) is connected to the particle sensor (406) through the flange. One end of the exhaust pipe (405) is fixedly connected to the upper processing frame (407). The upper side of the mounting panel (6) is fixedly connected to the lower processing frame (412). The opening and closing parts of the upper processing frame (407) and the lower processing frame (412) are the same size.
5. A low-pressure dry oil-free rotary air compressor according to claim 4, characterized in that, A support rod (422) is fixedly connected to one side of the upper processing frame (407), and a flow divider (423) is fixedly connected to one side of the support rod (422). The flow divider (423) is located at the air outlet of the air outlet pipe (405). A servo motor (408) is fixedly connected to one side of the mounting panel (6), and a cross rotating rod (409) is fixedly connected to the drive end of the servo motor (408).
6. A low-pressure dry oil-free rotary air compressor according to claim 5, characterized in that, The cross-shaped rotating rod (409) is fixedly connected to multiple circular frames (410) on its sides, and each of the multiple circular frames (410) contains an activated carbon adsorption plate (411). One of the activated carbon adsorption plates (411) is located at the connection between the upper processing frame (407) and the lower processing frame (412). The lower processing frame (412) has an installation opening on its exterior, and a gas guide pipe (413) is fixedly connected inside the installation opening. A flow sensor (414) is connected to the exterior of the gas guide pipe (413) through a flange.
7. A low-pressure dry oil-free rotary air compressor according to claim 6, characterized in that, The lower processing frame (412) is provided with a stabilizing module (5) on its exterior. The stabilizing module (5) includes two U-shaped mounting blocks (501). Each of the two U-shaped mounting blocks (501) is connected to a rotating arm (502) via a bearing. Each of the two U-shaped mounting blocks (501) is provided with a driver (503) on one side. The driving end of the driver (503) is fixedly connected to one side of the rotating arm (502).
8. A low-pressure dry oil-free rotary air compressor according to claim 7, characterized in that, Each of the two rotating arms (502) has a smooth hole on one side, and an adaptive smooth column (504) is slidably connected inside the two smooth holes. One end of each of the two adaptive smooth columns (504) is fixedly connected to a clamping plate (506). The outside of the clamping plate (506) abuts against the outside of the placement round frame (410) located at the connection between the upper processing frame (407) and the lower processing frame (412). One side of each of the two adaptive smooth columns (504) is fixedly connected to a telescopic spring (505), and one side of the telescopic spring (505) is fixedly connected to one side of the rotating arm (502).
9. A low-pressure dry oil-free rotary air compressor according to claim 8, characterized in that, The bottom of the air compressor housing (1) is provided with an air intake silencer box (8), an air intake valve (11), a drive unit (9), a primary host (10), a secondary host (15), and a steam-water separator (13). The air intake port of the air intake silencer box (8) is fixedly connected to one end of the air guide pipe (413).
10. A low-pressure dry oil-free rotary air compressor according to claim 9, characterized in that, Below the mounting panel (6) are respectively a primary cooler (12), a secondary cooler (7), an exhaust silencer box (14) and a second steam-water separator (16). An installation port is provided on one side of the air compressor housing (1), and an exhaust pipe (17) is fixedly connected inside the installation port.