Hydraulic structure of ultra-deep rotary filter screen

Abstract

The invention provides a hydraulic structure of an ultra-deep rotary filter screen, and relates to the field of hydraulic engineering filtration, and the hydraulic structure comprises a filtering device, a flushing device and a sundry cleaning device.Compared with the prior art, the hydraulic structure has the beneficial effects that sundries, floating objects and the like in water flow are filtered for the first time through a protective screen; meanwhile, when the filter screen and the protective screen move reversely, the cleaning brush head on the protective screen brushes and cleans the filter screen, so that the filter screen is kept clean and smooth, and the filter screen is prevented from being blocked due to the fact that pollutants are attached to the filter screen; a cleaning screw rod in the impurity cleaning device is used for stirring medium and large impurities on the protective net or controlling a double-output-shaft servo motor to increase the rotating speed, so that the cleaning screw rod is used for crushing the impurities, and finally, the filter net, a cleaning brush head and the protective net are washed and cleaned after dual pressurization of a booster pump and a pressurization water injection nozzle; and moreover, the filtering device is simple and practical in structure and not easy to damage.

Description

Technical Field

[0001] The invention relates to the field of water conservancy engineering filtration, in particular to a hydraulic structure of an ultra-deep rotary filter. Background Art

[0002] A water conservancy project is a project built to control and allocate natural surface water and groundwater to achieve the purpose of eliminating harm and promoting benefits, also known as a water project. A water flow filtering device used in a water conservancy project with a publication number of CN208362016U has been retrieved, comprising a cavity, one side of the outside of the cavity is connected to a water inlet, the other side of the outside of the cavity is connected to a water outlet, and the water outlet is connected to the cavity through a connecting pipe, a filter screen is provided inside the cavity, an adsorption net is connected inside the filter screen, a chute is provided on the inner wall of the cavity, and the filter screen is movably connected to the inner wall of the cavity through the chute, one end of the filter screen is detachably connected to the cavity through a fixed block, a flow sensor is provided on the surface of the water outlet, and both sides of the inner wall of the connecting pipe are connected to inclined plates, and the structure of the inclined plates is an inclined structure.

[0003] However, in the above technology, the water flow is filtered through the filter net and the adsorption net. After long-term use, the debris in the water flow will cause the filter net and the adsorption net to be blocked, thereby reducing the efficiency of filtering the water flow, and may even make it impossible to filter. Summary of the invention

[0004] The problem to be solved by the present invention is to ensure the cleanliness of the filter screen by means of a protective net and a debris cleaning device, so as to avoid clogging of the filter screen.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is a hydraulic structure of an ultra-deep rotary filter, including a filtering device, a flushing device and a debris cleaning device, wherein the filtering device includes an upper cover, a base and a guide rail structure, a drainage channel is provided on the base, and the filtered water flow can be discharged, a filter screen and a protective net are provided between the upper cover and the base, and the water flow is filtered by the filter screen and the protective net, and the characteristic is that: the debris cleaning device is arranged on the top of the upper cover, the debris cleaning device includes a fixed seat, a double-output shaft servo motor is arranged in the fixed seat, the double-output shaft servo motor is connected to the sleeve rod, a central shaft rod is provided in the sleeve rod, and the central shaft rod A bevel gear is arranged on it, and a cleaning screw is also connected to the sleeve rod. The cleaning screw includes a connecting part and a rotating part. The connecting part is connected to the sleeve rod and can rotate with the sleeve rod. The interior of the connecting part is a hollow structure. The bevel gear on the central shaft is inserted into the interior of the connecting part, and the bevel gear is in a fixed state that cannot rotate in the connecting part. The rotating part is axially connected to both ends of the connecting part. A transmission rod is also arranged on the rotating part. One end of the transmission rod with the rotating part is inserted into the interior of the connecting part. The rotating part is meshed with the bevel gear. When the sleeve rod drives the connecting part to rotate, the rotating part rotates while following the rotation of the connecting part.

[0006] More preferably, a scraper is provided on the rotating component, the scraper is arranged along the length direction of the rotating component, the scraper can rotate with the rotating component, and the scraper can contact the outer surface of the protective net.

[0007] More preferably, the guide rail structure also includes a limited slide on both the upper cover and the base, the limited slide includes a filter slide and a protective net slide, the diameter of the protective net slide is larger than the diameter of the filter slide, and transmission chains are provided in the filter slide and the protective net slide, the filter net and the protective net are respectively connected to the transmission chains in the filter slide and the protective net slide, so that the protective net is located outside the filter net, and the mesh number of the protective net is smaller than the mesh number of the filter net.

[0008] More preferably, a submersible motor is provided in the upper cover, the submersible motor is connected to a power gear, the power gear is meshed with the transmission chain, the power gear can drive the transmission chain to move in the limiting slide, and the power gear is located between the filter screen and the protective screen, one end of the power gear is meshed with the transmission chain of the filter screen, and the other end of the power gear is meshed with the transmission chain of the protective screen, so that the filter screen and the protective screen can move in opposite directions.

[0009] Preferably, the protective net is made of stainless steel and is provided with a cleaning brush head, which can brush and clean the outer surface of the filter net.

[0010] More preferably, the flushing device includes a water tank arranged in the drainage channel, a submersible pump and a booster pump are arranged in the water tank, the submersible pump can convey water to the booster pump, and the booster pump is connected to a booster water spray nozzle, the booster water spray nozzle is arranged between the base and the upper cover, and the height of the booster water spray nozzle is equal to the width of the filter screen.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the debris and floating objects in the water flow are filtered for the first time through the protective net, and at the same time, the filter net and the protective net move in opposite directions, and the cleaning brush head on the protective net brushes and cleans the filter net to keep the filter net clean and unobstructed, and prevent pollutants from adhering to the filter net and causing clogging of the filter net, and the cleaning screw in the debris cleaning device cuts the medium and large debris on the protective net or controls the double-output shaft servo motor to increase the speed, so that the cleaning screw crushes the debris, and finally the submersible pump in the flushing device flushes the water flow in the water tank into the booster pump, and after double pressurization by the booster pump and the booster water nozzle, the filter net, the cleaning brush head and the protective net are flushed and cleaned to avoid clogging and affect the filtration efficiency, and the structure is simple and practical and not easy to damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention; Figure 3 It is a schematic diagram of the drainage channel structure of the present invention; Figure 4 It is a schematic diagram of the filter structure of the present invention; Figure 5 It is a schematic diagram of the cross-sectional structure of the fixing seat of the present invention; Figure 6 It is a schematic diagram of the structure of the rotating component of the present invention; Figure 7 It is a schematic diagram of the limiting slide structure of the present invention; Among them, 1-upper cover, 2-base, 3-filter screen, 4-protective net, 5-cleaning brush head, 6-drainage channel, 7-submersible pump, 8-water tank, 9-boosting pump, 10-boosting water nozzle, 11-center shaft, 12-sleeve rod, 13-connecting part, 14-umbrella gear, 15-rotating part, 16-scraper, 17-filter slide, 1701-protective net slide, 18-power gear, 19-deep water motor, 20-double-output shaft servo motor, 21-transmission rod, 22-fixed seat. DETAILED DESCRIPTION

[0013] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0014] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0015] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be an electrical connection; it can be a hydraulic oil circuit connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0016] See also Figures 1 to 7 As shown, a hydraulic structure of an ultra-deep rotary filter includes a filtering device, a flushing device and a debris cleaning device, wherein the filtering device includes an upper cover 1, a base 2 and a guide rail structure, the guide rail structure is located on the upper cover 1, the guide rail structure includes a limit slide, a transmission chain and a power gear 18, the upper cover 1 and the base 2 are both provided with a limit slide, the limit slide includes a filter slide 17 and a net protection slide 1701, the diameter of the net protection slide 1701 is larger than the diameter of the filter slide 17, and a transmission chain is provided in the filter slide 17 and the net protection slide 1701, and the transmission chain can be in the limit The filter screen 3 moves along the path of the limit slideway in the slideway, the filter screen 3 is connected to the transmission chain in the filter screen slideway 17, and a protective net 4 is also arranged on the periphery of the filter screen 3, the protective net 4 is connected to the transmission chain in the protective net slideway 1701, the protective net 4 is made of stainless steel, and the mesh number of the protective net 4 is smaller than the mesh number of the filter screen 3, and a cleaning brush head 5 is also arranged on the protective net 4, the cleaning brush head 5 is located between the protective net 4 and the filter screen 3, and the cleaning brush head 5 is in contact with the filter screen 3, the power gear 18 is located between the filter screen 3 and the protective net 4, and one end of the power gear 18 is in contact with the filter screen 3. The transmission chain on the filter net 3 is meshed and connected, and the other end of the power gear 18 is meshed and connected with the transmission chain on the protective net 4. A deep-water motor 19 is also provided on the power gear 18, and the power gear 18 is controlled to rotate by the deep-water motor 19. Since one end of the power gear 18 is meshed and connected with the transmission chain of the filter net 3, and the other end of the power gear 18 is meshed and connected with the transmission chain of the protective net 4, when the transmission gear rotates, the filter net 3 and the protective net 4 will move in opposite directions, so as to achieve the effect of controlling the simultaneous movement of the filter net 3 and the protective net 4 with the same power source. The cleaning brush head 5 on 4 fits with the filter screen 3, so when the filter screen 3 and the protective screen 4 move in opposite directions, the cleaning brush head 5 will scrape the filter screen 3 to clean the outer surface of the filter screen 3, and the filter screen 3 can be made of different materials according to different needs, such as stainless steel, nylon, polyester fiber or other metal materials. The filter screen 3 of different materials can be replaced according to different needs. When the filter screen 3 needs to be replaced, it is only necessary to remove the filter screen 3 and the transmission chain from the filter screen slide 17. The replacement process is simple and convenient.

[0017] Among them, the upper cover 1 is a closed end, and a drainage channel 6 is arranged on the base 2. The drainage channel 6 is arranged inside the filter screen 3. Therefore, if the water flow needs to enter the drainage channel 6, it must first pass through the protective net 4 and the filter screen 3 to filter it, and then be discharged through the drainage channel 6. The flushing device is arranged in the drainage channel 6. The flushing device includes a submersible pump 7 and a water storage tank 8. The water storage tank 8 is located inside the drainage channel 6. A part of the water flow filtered by the filter screen 3 will enter the water storage tank 8 for storage for use by the submersible pump 7 to avoid the filter screen 3 being blocked and unable to take in water, so that the flushing device has no water source to operate. The submersible pump 7 is fixed at the bottom of the water storage tank 8, which is convenient for the submersible pump 7 to extract the water flow filtered by the filter screen 3 in the water storage tank 8, and a booster pump 9 is also connected to the submersible pump 7. The submersible pump 7 can directly The filtered water flow in the water tank 8 is extracted and transferred to the booster pump 9, and the water flow is pressurized by the booster pump 9. A booster water spray port 10 is also provided on the booster pump 9. The booster water spray port 10 is arranged between the upper cover 1 and the base 2. The booster water spray port 10 is an "I"-shaped flat mouth. The upper end of the booster water spray port 10 is connected to the upper cover 1, and the lower end of the booster water spray port 10 is connected to the base 2. Therefore, the height of the booster water spray port 10 is the same as the width of the filter screen 3. Water flows out through the booster water spray port 10 to rinse and clean the filter screen 3 and the protective net 4. Since the position of the booster water spray port 10 is fixed, when the filter screen 3 and the protective net 4 move, the booster water spray port 10 will perform all-round flushing and cleaning on different positions of the filter screen 3 and the protective net 4, and there will be no omissions or dead corners that cannot be cleaned.

[0018] The above-mentioned debris cleaning device is arranged outside the protective net 4, wherein the debris cleaning device includes a fixed seat 22 and a cleaning screw, the fixed seat 22 is located at the top of the upper cover 1, a central shaft 11 is arranged on the fixed seat 22, the central shaft 11 is in a fixed state and cannot rotate, a sleeve rod 12 is also arranged on the central shaft 11, the sleeve rod 12 can be rotated on the central shaft 11, and a double-output shaft servo motor 20 is arranged in the fixed seat 22, the output shaft of the double-output shaft servo motor 20 is connected to the sleeve rod 12, the output shaft of the double-output shaft servo motor 20 can control the rotation of the sleeve rod 12, the cleaning screw is connected to the sleeve rod 12, and the cleaning screw includes The connecting part 13 and the rotating part 15 are connected to the sleeve rod 12 and can rotate with the sleeve rod 12. The interior of the connecting part 13 is a hollow structure. The central shaft 11 is inserted into the interior of the connecting part 13, and a bevel gear 14 is arranged inside the connecting part 13. The bevel gear 14 is fixedly connected to the central shaft 11 so that the bevel gear 14 cannot rotate. A transmission rod 21 is also arranged inside the connecting part 13. The transmission rod 21 is meshed with the bevel gear 14, and a rotating part 15 is also arranged on the transmission rod 21. The transmission rod 21 can drive the rotating part 15 to rotate. The rotating part 15 is located at the connecting part 13. At both ends of the rotating component 15, a scraper 16 is also provided on the rotating component 15. The scraper 16 is provided along the length direction of the rotating component 15. The scraper 16 can rotate with the rotating component 15, and the scraper 16 contacts the protective net 4. The scraper 16 scrapes the outer surface of the protective net 4 when rotating, and scrapes off the seaweed or other floating objects attached to the protective net 4. Through the rotation of the rotating component 15 and the contact between the scraper 16 and the protective net 4, the scraper 16 can cut the floating objects to prevent them from being entangled on the rotating component 15. When the double-output shaft servo motor 20 is running, the output shaft of the double-output shaft servo motor 20 controls the sleeve rod 1 2 drives the connecting portion 13 of the cleaning screw to rotate, and the rotating component 15 rotates along with the connecting portion 13. At the same time, since the transmission rod 21 on the rotating component 15 is meshed and connected with the bevel gear 14, and the bevel gear 14 is fixedly connected with the central shaft 11 and the central shaft 11 cannot rotate, the bevel gear 14 is also in a fixed state. When the transmission rod 21 of the rotating component 15 meshes with the bevel gear 14 and rotates around the bevel gear 14, the transmission rod 21 drives the rotating component 15 to rotate, so that the scraper 16 on the rotating component 15 also rotates, contacts with the protection net 4, and scrapes and cleans the sundries outside the protection net 4.

[0019] When in use, the deep water motor 19 is controlled to start, so that the deep water motor 19 controls the power gear 18 to rotate. When the power gear 18 rotates, since the filter screen 3 and the protective screen 4 are respectively located on both sides of the power gear 18, and the filter screen 3 and the protective screen 4 are meshed and connected with the power gear 18 through a transmission chain, when the power gear 18 rotates, the filter screen 3 and the protective screen 4 are controlled to move in the opposite direction through the transmission chain, so that the protective screen 4 made of stainless steel can protect the filter screen 3 from the impact of external debris while being able to move in the opposite direction of the protective screen 4 and the filter screen 3. The cleaning brush head 5 on the protective screen 4 will brush and clean the filter screen 3, and the cleaning brush head 5 will clean the filter screen The outer surface of the net 3 is brushed and cleaned; the flushing device cleans the inner surface of the protective net 4, so as to achieve all-round cleaning of the filter net 3 without dead angles. After the water storage tank 8 in the flushing device stores the filtered water flow, the water flow is pumped into the booster pump 9 through the submersible pump 7, and then the booster pump 9 sprays the water flow through the booster water nozzle 10 to the inner surface of the filter net 3. After the water flow is double-pressurized by the booster pump 9 and the booster water nozzle 10, it is sprayed to the inner surface of the filter net 3 to flush and clean the inner surface of the filter net 3. After flushing the filter net 3, the water flow will also flush and clean the cleaning brush head 5 and the protective net 4 to ensure that the filter net 3 will not be blocked. The cleaning brush head 5 is also rinsed and cleaned, and the protective net 4 can also be prevented from being blocked. At the same time, the sleeve rod 12 is driven to rotate by the double-output shaft servo motor 20, so that the rotating part 15 rotates with the connecting part 13. At the same time, since the transmission rod 21 on the rotating part 15 is meshed and connected with the bevel gear 14, and the bevel gear 14 is fixedly connected to the central shaft 11 and the central shaft 11 cannot rotate, when the transmission rod 21 of the rotating part 15 is meshed with the bevel gear 14 and rotates around the bevel gear 14, the transmission rod 21 will drive the rotating part 15 to rotate, so that the scraper 16 on the rotating part 15 rotates with the rotating part 15, and the scraper 16 rotates with the protective net 4 The outer surface of the scraper 16 contacts with the outer surface, which can effectively cut seaweed or other floating objects. When the speed of the double-output shaft servo motor 20 increases, the speed of the connecting part 13 will increase, so that the speed of the scraper 16 driven by the rotating component 15 will also increase, and the seaweed or other floating objects can be easily crushed. In order to reduce the resistance generated by the scraper 16 when the rotating component 15 rotates, a water-permeable hole can be provided on the scraper 16, or the scraper 16 can be set to a threaded shape. In this way, the filter screen 3 can be effectively protected to prevent floating objects such as seaweed from adhering to the filter screen 3 and affecting the filtering efficiency of the filter screen 3. In addition, the equipment has a simple structure and is not easy to be damaged, so the production cost is greatly reduced and it is not easy to be damaged.

[0020] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A hydraulic structure of an ultra-deep rotary filter, comprising a filtering device, a flushing device and a debris cleaning device, wherein the filtering device comprises an upper cover, a base and a guide rail structure, a drainage channel is provided on the base, and the filtered water flow can be discharged, a filtering net and a protective net are provided between the upper cover and the base, and the filtering net and the protective net are used to filter the water flow, and the characteristics are: The debris cleaning device is arranged on the top of the upper cover, and the debris cleaning device includes a fixed seat, a double-output shaft servo motor is arranged in the fixed seat, the double-output shaft servo motor is connected to the sleeve rod, a central shaft is arranged in the sleeve rod, a parasol gear is arranged on the central shaft, and a cleaning screw is also connected to the sleeve rod. The cleaning screw includes a connecting part and a rotating part, the connecting part is connected to the sleeve rod and can rotate with the sleeve rod, the interior of the connecting part is a hollow structure, the parasol gear on the central shaft is inserted into the interior of the connecting part, and the parasol gear is in a fixed state that cannot rotate in the connecting part, the rotating part is axially connected to both ends of the connecting part, and a transmission rod is also arranged on the rotating part, one end of the transmission rod with the rotating part is inserted into the interior of the connecting part, the rotating part is meshed and connected with the parasol gear, and when the sleeve rod drives the connecting part to rotate, the rotating part rotates while following the rotation of the connecting part.

2. According to claim 1, a hydraulic structure of an ultra-deep rotary filter screen is characterized in that: The rotating component is provided with a scraper, which is arranged along the length direction of the rotating component. The scraper can rotate along with the rotating component, and the scraper can contact the outer surface of the protective net.

3. The hydraulic structure of the ultra-deep rotary filter according to claim 1, characterized in that: The guide rail structure also includes a limited slideway arranged on the upper cover and the base, the limited slideway includes a filter slideway and a protective screen slideway, the diameter of the protective screen slideway is larger than the diameter of the filter slideway, and transmission chains are arranged in the filter slideway and the protective screen slideway, the filter screen and the protective screen are respectively connected to the transmission chains in the filter slideway and the protective screen slideway, so that the protective screen is located outside the filter screen, and the mesh number of the protective screen is smaller than the mesh number of the filter screen.

4. The hydraulic structure of the ultra-deep rotary filter according to claim 3, characterized in that: A submersible motor is arranged in the upper cover, and a power gear is connected to the submersible motor. The power gear is meshed with the transmission chain, and the power gear can drive the transmission chain to move in the limiting slide. The power gear is located between the filter screen and the protective screen, and one end of the power gear is meshed with the transmission chain of the filter screen, and the other end of the power gear is meshed with the transmission chain of the protective screen, so that the filter screen and the protective screen can move in opposite directions.

5. A hydraulic structure of an ultra-deep rotary filter according to claim 3 or 4, characterized in that: The protective net is made of stainless steel and is provided with a cleaning brush head, which can brush and clean the outer surface of the filter net.

6. The hydraulic structure of the ultra-deep rotary filter according to claim 1, characterized in that: The flushing device includes a water tank arranged in the drainage channel, and a submersible pump and a booster pump are arranged in the water tank. The submersible pump can transport water to the booster pump, and the booster pump is connected to a booster water spray port, which is arranged between the base and the upper cover, and the height of the booster water spray port is equal to the width of the filter screen.

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