A space universal self-rotating ejector

Abstract

The invention discloses a spatial universal self-rotating injector, belonging to the technical field of injectors. The spatial universal self-rotating injector comprises a filter chamber, a first rotating chamber and a second rotating chamber. The first rotating chamber is arranged above the filter chamber, and the second rotating chamber is arranged above the first rotating chamber. First injection assemblies are installed on both sides of the first rotating chamber, and the first injection assembly can spray positions on both sides of the injector. Second injection assemblies are installed on both sides of the second rotating chamber, and the second injection assembly can spray at multiple angles. A one-way flow assembly is installed inside the filter chamber. The invention is scientific and reasonable, safe and convenient to use. The filter chamber can filter and clean debris at the same time, and the one-way flow assembly can prevent the debris from being washed into the pipe of the inlet when the filter chamber is flushed with water, thereby extending the service life of the nozzle or the injector and saving costs.

Description

Technical Field

[0001] The invention relates to the technical field of ejectors, in particular to a space universal self-rotating ejector. Background Art

[0002] Nowadays, ejectors are used in many industrial fields, but most of the current ejectors can only spray in a fixed direction along the ejector and cannot spray in other directions. In addition, the speed of the fluid entering the ejector is generally stable, so the pressure of the fluid in the ejector cannot be easily changed, and the pressure of the ejector cannot be adjusted according to the distance of the ejection position.

[0003] In addition, the fluid sprayed from the injector may not be filtered, causing the debris in the fluid to clog the injector nozzle, so that the nozzle or the injector needs to be replaced, shortening the service life of the injector and increasing the cost of use. Therefore, we need a new injector that can solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a space universal self-rotating ejector to solve the problems raised in the prior art.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A spatial universal self-rotating ejector comprises a filter chamber, a first rotating chamber and a second rotating chamber, wherein the first rotating chamber is provided above the filter chamber, the second rotating chamber is provided above the first rotating chamber, first ejection assemblies are installed on both sides of the first rotating chamber, the first ejection assemblies can eject positions on both sides of the ejector, second ejection assemblies are installed on both sides of the second rotating chamber, the second ejection assemblies can eject at multiple angles, a one-way flow assembly is installed inside the filter chamber, the one-way flow assembly can prevent the fluid from flowing back into the input pipeline.

[0007] The first injection assembly includes a first nozzle, an airbag, a buffer plate, an air pipe and a one-way valve. An airbag is installed on the inner side of the first nozzle, and the airbag can control the size of the first nozzle outlet to adjust the water pressure of the first nozzle. A buffer plate is installed on one side of the airbag, and the buffer plate can block the impact of the fluid on the airbag to prevent the airbag from being damaged. A first mounting hole and a second mounting hole are opened on the nozzle wall where the airbag contacts the first nozzle. An air hole is installed on the airbag, and the air hole can transport gas to the airbag. The air hole passes through the first mounting hole. A one-way valve is installed on the airbag. The one-way valve adjusts the pressure of the first nozzle by controlling the expansion degree of the airbag. The smaller the nozzle of the first nozzle, the faster the depth of the fluid flow and the greater the pressure. The one-way valve passes through the second mounting hole. The one-way valve allows air flow from the inside of the airbag to the outside of the airbag.

[0008] The second spray assembly includes a second spray head, a universal rotating joint, a sealing ring, a first bracket, a second bracket and a fixed ball. A universal rotating joint is installed in the middle of the second spray head, and the universal rotating joint enables the second spray head to spray at multiple angles. A sealing ring is installed inside the universal rotating joint, and the sealing ring can ensure the sealing of the universal rotating joint. A first bracket is installed on the universal rotating joint. The first bracket is connected to one end of a chain, and a plurality of fixed balls are connected in the middle of the chain. The other end of the chain is connected to the second bracket. The first bracket and the second bracket can fix the positions of the chain and the fixed balls so that the direction of the universal rotating joint does not change after fixation. A circular cavity is opened inside the second bracket, and the circular cavity is used to place the fixed balls. After the fixed balls are placed in the circular cavity, the fixed balls can be stuck. The second bracket can be divided into an upper and lower part. The upper and lower parts of the second bracket are connected by a hinge. A protrusion is provided on one side of the upper and lower parts of the second bracket, and a threaded hole is provided inside the protrusion. A stud bolt is installed in the threaded hole, and nuts are installed at both ends of the stud bolt.

[0009] The one-way flow component includes a mounting frame, a connecting rod, a pin shaft, a valve disc and a rubber ring. A pin shaft is installed at the upper end of the mounting frame, and the pin shaft can make the connecting rod rotate around the pin shaft without being separated from the mounting frame. The mounting frame is connected to the connecting rod via the pin shaft. The connecting rod can make the valve disc not be separated from the bracket when impacted by the fluid, and the valve disc can fall back to its original position after no fluid passes through. A valve disc is installed under the connecting rod, and a rubber ring is installed at the position where the filter chamber contacts the valve disc, and the rubber ring can ensure the sealing of the valve disc.

[0010] The first nozzle is connected to the first rotating chamber through a turbine rod, one end of the turbine rod is meshed with the first gears on both sides, a plurality of first flow holes are provided on the first gear, and a first rotating seal is installed at the position where the first nozzle contacts the first rotating chamber, and the first rotating seal can ensure the sealing of the first nozzle when it rotates.

[0011] The other end of the turbine rod is connected to a rotating shaft, and blades are installed on the outer side of the rotating shaft. The blades can rotate under the impact of water flow to provide power for the rotation of the first nozzle. A second flow hole is opened above the first rotating chamber, and the fluid can enter the second rotating chamber through the second flow hole.

[0012] A rotating body is provided inside the second rotating chamber, and the rotating body can drive the second nozzle to rotate. The rotating body is connected to the second injection assembly. A second rotating seal is installed at the position where the second injection assembly is connected to the second rotating chamber. The second rotating seal can ensure the sealing of the second rotating chamber. The top end of the inner wall of the second rotating chamber is connected to the upper surface of the first rotating chamber through an impeller fixing rod.

[0013] An impeller is installed on the outer side of the impeller fixing rod. The rotation of the impeller can provide power for the rotation of the rotating body. The impeller fixing rod passes through the rotating body. A second gear is installed at the position where the impeller fixing rod contacts the rotating body.

[0014] An opening is provided at a contact position between the filter chamber and the first rotating chamber, a solenoid valve and a filter screen are installed inside the opening, and cleaning ports are installed on both sides of the filter chamber.

[0015] An inlet is provided below the filter chamber, and a one-way flow component is installed between the filter chamber and the inlet. The one-way flow component can prevent debris from being flushed into the pipe of the inlet when the filter chamber is flushed with water.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. In general, the nozzle of a universal rotating injector usually performs circular motion to realize the universal rotation of the injector. However, the angle of such rotating injection cannot be changed, and the injector can only be injected along the direction of the injector. The injector of the present invention can expand the injection direction of the injector by adjusting the direction of the universal rotating joint. At the same time, the nozzle itself can still perform circular motion to realize the universal rotation of the injector.

[0018] 2. When a conventional injector adjusts the pressure of the fluid at the nozzle, the speed at which the fluid enters the injector is changed to increase the pressure so that the nozzle can spray to a farther position. However, the pressure regulation of the nozzle is not sensitive enough, and a lot of time is often wasted on adjustment. The present invention chooses to adjust the speed and pressure of the fluid by changing the size of the nozzle, which is more sensitive to pressure control and saves time.

[0019] 3. The fluid sprayed by a general injector may not be filtered, so that the debris in the fluid may clog the nozzle of the injector, so that the nozzle or the injector needs to be replaced. The filter chamber of the present invention can filter the debris and clean it at the same time, and the one-way flow component can prevent the debris from being flushed into the pipe at the inlet when the filter chamber is flushed with water, thereby extending the service life of the nozzle or injector and saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1This is a schematic diagram of the main structure of a space universal self-rotating ejector of the present invention;

[0021] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of part A;

[0022] Figure 3 This is a schematic diagram of the structure of the second nozzle of a space universal self-rotating ejector of the present invention;

[0023] Figure 4 for Figure 3 A schematic diagram of the enlarged structure of part B;

[0024] Figure 5 This is a schematic diagram of the connection structure between the first bracket and the second bracket of a space universal self-rotating ejector of the present invention;

[0025] Figure 6 The present invention is a schematic diagram of the structure of a one-way flow component of a space universal self-rotating ejector.

[0026] Numbers in the figure: 1, inlet; 2, filter screen; 3, solenoid valve; 4, first rotating chamber; 5, rotating shaft; 6, blade; 7, turbine rod; 8, first gear; 9, first flow hole; 10, buffer plate; 11, air bag; 12, air pipe; 13, first nozzle; 14, first rotating seal; 15, second rotating chamber; 16, impeller fixing rod; 17, impeller; 18, rotating body; 19, second flow hole; 20, second rotating Rotating seal; 21. Universal swivel joint; 22. Second nozzle; 23. Sealing ring; 24. First bracket; 25. Second bracket; 26. Fixed ball; 27. Chain; 28. Protrusion; 29. ​​Stud bolt; 30. Nut; 31. Hinge; 32. First gear; 33. Cleaning port; 34. Mounting frame; 35. Connecting rod; 36. Pin shaft; 37. Valve disc; 38. Rubber ring; 39. Filter chamber; 40. One-way valve. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not 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.

[0028] Example: Figures 1 to 6As shown, a spatial universal self-rotating injector includes a filter chamber 39, a first rotating chamber 4 and a second rotating chamber 15. The first rotating chamber 4 is provided above the filter chamber 39, and the second rotating chamber 15 is provided above the first rotating chamber 4. First injection assemblies are installed on both sides of the first rotating chamber 4, and the first injection assembly can spray positions on both sides of the injector. Second injection assemblies are installed on both sides of the second rotating chamber 15, and the second injection assembly can spray at multiple angles. A one-way flow assembly is installed inside the filter chamber 39, and the one-way flow assembly can prevent the fluid from flowing back into the input pipeline.

[0029] The first injection assembly includes a first nozzle 13, an airbag 11, a buffer plate 10, an air pipe 12 and a one-way valve 40. The airbag 11 is installed on the inner side of the first nozzle 13. The airbag 11 can control the size of the outlet of the first nozzle 13 to adjust the water pressure of the first nozzle 13. The buffer plate 10 is installed on one side of the airbag 11. The buffer plate 10 can block the impact of the fluid on the airbag 11 to prevent the airbag 11 from being damaged. The nozzle wall where the airbag 11 contacts the first nozzle 13 is provided with a first mounting hole and a second mounting hole. The airbag 11 is provided with an air hole 12, which can transport gas to the airbag 11. The air hole 12 A one-way valve 40 is installed on the airbag 11 through the first mounting hole. The smaller the nozzle of the first nozzle 13, the faster the depth of the fluid flow and the greater the pressure. The one-way valve 40 passes through the second mounting hole. The one-way valve 40 allows airflow to flow from the inside of the airbag 11 to the outside of the airbag 11. When the fluid reaches the first nozzle 13 through the first flow hole 9, the fluid will first be installed on the buffer plate 10. The buffer plate 10 prevents the fluid from directly impacting the airbag 11. When you want to control the pressure of the airbag 11, you can adjust the pressure of the first nozzle 13 by controlling the expansion degree of the airbag 11 through the air supply pipe 12 and the one-way valve 40.

[0030] The second spray assembly includes a second spray head 22, a universal rotating joint 21, a sealing ring 23, a first bracket 24, a second bracket 25 and a fixed ball 26. The universal rotating joint 21 is installed in the middle of the second spray head 22. The universal rotating joint 21 enables the second spray head 22 to spray at multiple angles. The sealing ring 23 is installed inside the universal rotating joint 21. The sealing ring 23 can ensure the sealing of the universal rotating joint 21. The first bracket 24 is installed on the universal rotating joint 21. The first bracket 24 is connected to one end of a chain 27. A plurality of fixed balls 26 are connected in the middle of the chain 27. The other end of the chain 27 is connected to the second bracket 25. The first bracket 24 and the second bracket 25 can fix the positions of the chain 27 and the fixed ball 26 so that the direction of the universal rotating joint 21 does not change after fixation. The second A circular cavity is provided inside the bracket 25, and the circular cavity is used to place the fixing ball 26. After the fixing ball 26 is placed in the circular cavity, the fixing ball 26 can be stuck. The second bracket 25 can be divided into an upper and lower part, and the upper and lower parts of the second bracket 25 are connected by a hinge 31. A protrusion 28 is provided on one side of the upper and lower parts of the second bracket 25, and a threaded hole is provided inside the protrusion 28. A stud bolt 29 is installed in the threaded hole, and nuts 30 are installed at both ends of the stud bolt 29. When the angle of the second nozzle 22 needs to be adjusted, the upper and lower parts of the second bracket 25 can be separated, and then the fixing ball 26 can be selected according to the angle to be adjusted, and then the fixing ball 26 can be stuck into the circular cavity of the second bracket 25, so as to fix the angle of the second nozzle 22, and then the stud bolt 29 and the nut are used to merge the upper and lower parts of the second bracket 25 so that they cannot be separated.

[0031] The one-way flow component includes a mounting frame 34, a connecting rod 35, a pin 36, a valve flap 37 and a rubber ring 38. The upper end of the mounting frame 34 is mounted with a pin 36, and the pin 36 can make the connecting rod 35 rotate around the pin 36 without being separated from the mounting frame 34. The mounting frame 34 is connected to the connecting rod 35 through the pin 36. The connecting rod 35 can make the valve flap 37 not be separated from the bracket when impacted by the fluid, and the valve flap 37 can fall back to its original position after no fluid passes through. The valve flap 37 is mounted below the connecting rod 35, and the rubber ring 38 is mounted at the position where the filter chamber 39 contacts the valve flap 37. The rubber ring 38 can ensure the sealing of the valve flap 37. When the injector needs to operate, the fluid first enters from the inlet 1 to push the valve flap 37 open. The valve flap 37 and the connecting rod 35 are fixedly connected, so the rotation of the valve flap 37 brings the connecting rod 35 to rotate around the pin 36.

[0032] The first nozzle 13 is connected to the first rotating chamber 4 through a turbine rod 7, one end of the turbine rod 7 is meshed with the first gears 8 on both sides, a plurality of first flow holes 9 are provided on the first gear 8, and a first rotating seal 14 is installed at the position where the first nozzle 13 contacts the first rotating chamber 4. The first rotating seal 14 can ensure the sealing of the first nozzle 13 when it rotates.

[0033] The other end of the turbine rod 7 is connected to a rotating shaft 5, and a blade 6 is installed on the outer side of the rotating shaft 5. The blade 6 can rotate under the impact of the water flow to provide power for the rotation of the first nozzle 13. A second flow hole 19 is opened above the first rotating chamber 4, and the fluid can enter the second rotating chamber 15 through the second flow hole 19. The fluid is filtered through the filter screen 2 and then enters the first rotating chamber 4 through the solenoid valve 3. When the fluid reaches the first rotating chamber 4, the blade 6 will be installed to give the blade an impact force, and then the blade 6 is driven by the fluid to rotate. The rotation of the blade 6 also drives the rotating shaft 5 to rotate together, and the rotating shaft 5 drives the turbine rod 7 to rotate. The turbine rod 7 is meshed with the first gears 8 on both sides, which also drives the first gear 8 to rotate. The position where the first gear 8 contacts the first nozzle 13 is provided with a gear meshing portion, so the first gear 8 also drives the first nozzle 13 to rotate.

[0034] A rotating body 18 is provided inside the second rotating chamber 15, and the rotating body 18 can drive the second nozzle 22 to rotate. The rotating body 18 is connected to the second injection assembly. A second rotating seal 20 is installed at the position where the second injection assembly is connected to the second rotating chamber 15. The second rotating seal 20 can ensure the sealing of the second rotating chamber 15. The top end of the inner wall of the second rotating chamber 15 is connected to the upper surface of the first rotating chamber 4 through the impeller fixing rod 16.

[0035] An impeller 17 is installed on the outer side of the impeller fixing rod 16. The rotation of the impeller 17 can provide power for the rotation of the rotating body 18. The impeller fixing rod 16 passes through the rotating body 18. A second gear 32 is installed at the position where the impeller fixing rod 16 contacts the rotating body 18. Then, after the fluid enters the second rotating chamber 15, it will drive the impeller 17 to rotate. The rotation of the impeller 17 will drive the impeller fixing rod 16 to rotate. The impeller fixing rod 16 will drive the second gear 32 to rotate. The second gear 32 can drive the rotating body 18 to rotate. The rotation of the rotating body 18 can make the second nozzle rotate along the second rotating chamber 15.

[0036] An opening is provided at the contact position between the filter chamber 39 and the first rotating chamber 4, and a solenoid valve 3 and a filter screen 2 are installed inside the opening. Cleaning ports 33 are installed on both sides of the filter chamber 39. When the filter chamber 39 is to be cleaned, the solenoid valve 3 is closed, and then the cleaning ports 33 on both sides are opened to flush the filter chamber 39 with water. The one-way flow component can prevent debris from being flushed into the pipe of the inlet 1 when the filter chamber 39 is flushed with water.

[0037] An inlet 1 is provided below the filter chamber 39 , and a one-way flow component is installed between the filter chamber 39 and the inlet 1 . The one-way flow component can prevent debris from being flushed into the pipe of the inlet 1 when the filter chamber 39 is flushed with water.

[0038] Working principle: When the ejector is required to operate, first the fluid enters from the inlet 1 to push open the valve flap 37. The valve flap 37 and the connecting rod 35 are fixedly connected, so the valve flap 37 rotates and drives the connecting rod 35 to rotate around the pin 36.

[0039] Then the fluid is filtered through the filter screen 2 and then enters the first rotating chamber 4 through the solenoid valve 3. When the fluid reaches the first rotating chamber 4, blades 6 will be installed to give the blades an impact force. Then the blades 6 are driven by the fluid to rotate. The rotation of the blades 6 also drives the rotating shaft 5 to rotate. The rotating shaft 5 drives the turbine rod 7 to rotate. The turbine rod 7 is meshed with the first gears 8 on both sides, which also drives the first gear 8 to rotate. The position where the first gear 8 contacts the first nozzle 13 is provided with a gear meshing portion, so the first gear 8 also drives the first nozzle 13 to rotate.

[0040] When the fluid reaches the first nozzle 13 through the first flow hole 9, the fluid will first be loaded onto the buffer plate 10. The buffer plate 10 prevents the fluid from directly impacting the airbag 11. When the pressure of the airbag 11 is to be controlled, the pressure of the first nozzle 13 can be adjusted by controlling the expansion degree of the airbag 11 through the air supply pipe 12 and the one-way valve 40.

[0041] Then, after the fluid enters the second rotating chamber 15, it will drive the impeller 17 to rotate. The rotation of the impeller 17 will drive the impeller fixing rod 16 to rotate. The impeller fixing rod 16 will drive the second gear 32 to rotate. The second gear 32 can drive the rotating body 18 to rotate. The rotation of the rotating body 18 can make the second nozzle rotate along the second rotating chamber 15.

[0042] When the angle of the second nozzle 22 needs to be adjusted, the upper and lower parts of the second bracket 25 can be separated, and then the fixing ball 26 is selected according to the angle to be adjusted and inserted into the circular cavity of the second bracket 25 to fix the angle of the second nozzle 22 .

[0043] When the filter chamber 39 is to be cleaned, the solenoid valve 3 is closed, and then the cleaning ports 33 on both sides are opened to flush the filter chamber 39 with water. The one-way flow component can prevent debris from being flushed into the pipe of the inlet 1 when the filter chamber 39 is flushed with water.

[0044] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A space universal self-rotating ejector, Features: The invention comprises a filter chamber (39), a first rotating chamber (4) and a second rotating chamber (15), wherein the first rotating chamber (4) is arranged above the filter chamber (39), the second rotating chamber (15) is arranged above the first rotating chamber (4), first injection assemblies are installed on both sides of the first rotating chamber (4), second injection assemblies are installed on both sides of the second rotating chamber (15), and a one-way flow assembly is installed inside the filter chamber (39); the first injection assembly comprises a first nozzle (13), an air bag (11), a buffer plate (10), an air pipe (12) and a one-way valve (40), the air bag (11) is installed on the inner side of the first nozzle (13), and the buffer plate (10) is installed on one side of the air bag (11). 0), a first mounting hole and a second mounting hole are formed on a nozzle wall of the airbag (11) in contact with the first nozzle (13), an air hole is installed on the airbag (11), the air hole passes through the first mounting hole, a one-way valve (40) is installed on the airbag (11), the one-way valve (40) passes through the second mounting hole, and the one-way valve (40) allows air to flow from the inside of the airbag (11) to the outside of the airbag (11); the second spray assembly comprises a second nozzle (22), a universal swivel joint (21), a sealing ring (23), a first bracket (24), a second bracket (25) and a fixed ball (26), a middle part of the second nozzle (22) is installed with a universal swivel joint (21), the universal swivel joint (21) is installed in the middle part of the second nozzle (2 ... A sealing ring (23) is installed inside the universal rotating joint (21). A first bracket (24) is installed on the universal rotating joint (21). The first bracket (24) is connected to one end of a chain (27). A plurality of fixed balls (26) are connected in the middle of the chain (27). The other end of the chain (27) is connected to a second bracket (25). A circular cavity is provided inside the second bracket (25). The circular cavity is used to place the fixed balls (26). The second bracket (25) is divided into an upper and lower part. The upper and lower parts of the second bracket (25) are connected by a hinge (31). One side of the upper and lower parts of the second bracket (25) is provided with a protrusion (28). The protrusion (28) A threaded hole is provided inside the nozzle (13), a stud bolt (29) is installed in the threaded hole, and nuts (30) are installed at both ends of the stud bolt (29); the first nozzle (13) is connected to the first rotating chamber (4) through a turbine rod (7), one end of the turbine rod (7) is meshed with first gears (8) on both sides, and the first gear (8) is provided with a plurality of first flow holes (9); a first rotating seal (14) is installed at a position where the first nozzle (13) contacts the first rotating chamber (4); the other end of the turbine rod (7) is connected to a rotating shaft (5), a blade (6) is installed on the outer side of the rotating shaft (5), and a second flow hole (19) is provided above the first rotating chamber (4).

2. A space universal self-rotating ejector according to claim 1, Features: The one-way flow assembly comprises a mounting frame (34), a connecting rod (35), a pin shaft (36), a valve disc (37) and a rubber ring (38); the upper end of the mounting frame (34) is mounted with a pin shaft (36); the mounting frame (34) is connected to the connecting rod (35) via the pin shaft (36); the lower part of the connecting rod (35) is mounted with a valve disc (37); and the rubber ring (38) is mounted at a position where the filter chamber (39) contacts the valve disc (37).

3. A space universal self-rotating ejector according to claim 1, Features: A rotating body (18) is provided inside the second rotating chamber (15), and the rotating body (18) is connected to the second injection assembly. A second rotating seal (20) is installed at the position where the second injection assembly is connected to the second rotating chamber (15). The top end of the inner wall of the second rotating chamber (15) is connected to the upper surface of the first rotating chamber (4) via an impeller fixing rod (16).

4. A space universal self-rotating ejector according to claim 3, Features: An impeller (17) is mounted on the outer side of the impeller fixing rod (16), the impeller fixing rod (16) passes through the rotating body (18), and a second gear (32) is mounted at a position where the impeller fixing rod (16) contacts the rotating body (18).

5. A space universal self-rotating ejector according to claim 1, Features: An opening is provided at the contact position between the filter chamber (39) and the first rotating chamber (4), a solenoid valve (3) and a filter screen (2) are installed inside the opening, and cleaning ports (33) are installed on both sides of the filter chamber (39).

6. A space universal self-rotating ejector according to claim 5, Features: An inlet (1) is provided below the filter chamber (39), and a one-way flow component is installed between the filter chamber (39) and the inlet (1).

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