Anti-blocking water pump for desulfurization sewage treatment and use method

Abstract

The invention provides an anti-blocking water pump for desulfurization sewage treatment and a use method. The anti-blocking water pump comprises a mounting plate, a sealing shell, a driving motor, a water pump impeller, a spiral channel and a discharge pipe. An anti-blocking assembly is arranged at a water inlet of the pump and comprises an inlet pipe with an inclined clamping seat, a filter disc installed in an inclined mode, a guide groove and an inclined guide pipe, wherein the guide groove and the inclined guide pipe are communicated with the filter disc. The filtering disc can intercept solid particles in sewage, and impurities are gathered towards one side under the action of the inclined plane and water flow, automatically slide into the guide groove and are discharged into the independent collecting assembly on the side through the guide pipe. The collecting box is provided with an exchange filter screen to balance pressure. Synchronous filtering, self-cleaning and impurity collecting in the water pumping process are achieved, a flow channel in the pump is effectively prevented from being blocked, shutdown or pump body disassembly is not needed for impurity cleaning, and the operation reliability, continuity and maintenance convenience in treatment of desulfurization sewage with high solid content are remarkably improved.

Description

Technical Field

[0001] This invention relates to the field of water pump technology, and in particular to an anti-clogging water pump for desulfurization wastewater treatment and its usage method. Background Technology

[0002] In wastewater treatment, wastewater is typically stored in a wastewater tank and then pumped out. For example, patent publication number CN202223061787.1 describes a corrosion-resistant wastewater pump, comprising a pump body, an outlet pipe, an inlet pipe, an anti-corrosion drying block, a mounting base, a support rod, and a cable. The pump body is coated with an anti-corrosion coating. The outlet pipe is fixedly connected to the left side of the pump body. The inlet pipe is fixedly connected to the bottom of the pump body. The anti-corrosion drying block is fixedly connected to the outer periphery of the pump body. The mounting base is fixedly connected to the top of the pump body. The support rod is fixedly connected to the top of the mounting base.

[0003] While the aforementioned pumps can continuously transport wastewater, the washing wastewater generated in industrial wet desulfurization systems has a complex composition, typically containing a large number of gypsum crystal particles, incompletely reacted limestone powder, flue ash, and other suspended solids. Some of these crystallized particles can become stuck in the impeller and flow channels, leading to increased operating current, a sharp drop in efficiency, and even overload shutdown, severely impacting the stability of continuous production. Furthermore, because the wastewater pump is located at the bottom of the wastewater tank, the maintenance difficulty for operators increases after it becomes clogged with particulate impurities. Therefore, we have made improvements and proposed an anti-clogging pump for desulfurization wastewater treatment. This pump filters out internal impurities when pumping wastewater and guides the impurities to be discharged from the side, thus achieving anti-clogging operation. Summary of the Invention

[0004] The purpose of this invention is to provide an anti-clogging water pump and its usage method for desulfurization wastewater treatment, which can effectively solve the problem that existing water pumps are easily clogged by particulate impurities in the wastewater during wastewater transportation, resulting in a decrease in treatment efficiency.

[0005] According to one objective of the present invention, the present invention provides an anti-clogging water pump for desulfurization wastewater treatment, comprising: Mounting plate; A sealed housing is fixedly installed on the upper side of the mounting plate, and a drive motor and a water pump impeller driven by the drive motor are provided inside the sealed housing; A spiral channel is provided on the outside of the water pump impeller; A discharge pipe is disposed at the upper end of the spiral channel; The anti-clogging component is fixedly installed at the bottom of the mounting plate and located below the water pump impeller. It includes an inlet pipe, an inclined bracket disposed on the inner wall of the inlet pipe, a filter disc installed at the bottom of the inclined bracket, a guide groove opened on one side of the inner wall of the inlet pipe, and an inclined guide pipe fixedly installed in the guide groove. A collection component, located on one side of the mounting plate, is used to receive and store impurities discharged from the guide tube.

[0006] Furthermore, the filter disc is tilted, with the tilt angle matching the tilted bracket, so that the intercepted impurities can accumulate along the tilted surface on the side of the guide groove under the action of water flow.

[0007] Furthermore, one end of the guide tube is provided with a receiving boss, which is located below the inclined surface of the filter disc and is used to receive and guide the accumulated impurities into the guide tube; the other end of the guide tube is provided with a threaded connecting tube.

[0008] Furthermore, the collection component includes: The collection box has a connecting pipe at its upper opening; A threaded retaining ring is rotatably mounted on the body of the connecting pipe and is used to connect with the threaded connecting pipe of the guide pipe so that the connecting pipe is mated with the threaded connecting pipe. A discharge cover is provided on the upper side of the collection box; The exchange filter screen is installed on one side of the collection box via a sealing ring to balance the pressure inside and outside the collection box and prevent impurities from flowing out.

[0009] Furthermore, the filter disc is threadedly connected to the screw holes at the bottom of the inclined bracket by multiple mounting bolts, enabling detachable installation.

[0010] Furthermore, several columns are fixedly installed at the bottom of the mounting plate, and a fixing plate is fixedly installed at the bottom of each column. The fixing plate has through holes and is equipped with fixing bolts for fixing the water pump to the bottom of the sewage tank; sewage enters the inlet pipe through the gaps between the columns.

[0011] Furthermore, the pump impeller is located at the center of the spiral channel. When it rotates, it can generate negative pressure below the inlet pipe to draw out sewage and discharge the sewage upward through the spiral channel from the outlet pipe.

[0012] Furthermore, the guide groove extends vertically or obliquely along the inner wall of the inlet pipe, and the inlet of the guide groove is located near the edge of the higher side of the filter disc, for catching and collecting the accumulated and sliding impurities.

[0013] Furthermore, the drive motor is fixedly installed inside the sealed housing, and its output shaft is directly connected to or connected to the water pump impeller via a coupling.

[0014] According to another objective of the present invention, the present invention provides a method of using an anti-clogging water pump for desulfurization wastewater treatment, comprising the following steps: S1. Installation and Fixing: Fix the water pump to the bottom of the sewage tank and ensure that the inlet pipe is submerged in the sewage. S2. Start-up and operation: Start the drive motor to drive the water pump impeller to rotate, generate negative pressure below the inlet pipe to extract sewage, and discharge the sewage from the outlet pipe after being accelerated by the water pump impeller and spiral channel. S3. Filtering impurities: When sewage flows through the inclined filter disc, the solid impurities it contains are intercepted and, guided by the water flow and the inclined surface, gather in the guide groove on one side of the filter disc. S4. Discharge and collection: The accumulated impurities slide into the guide groove and are transported downwards by gravity or water flow through the inclined guide pipe, and finally enter the collection component for storage. S5. Maintenance and cleaning: Regularly open the collection component to clean the accumulated impurities. There is no need to stop the water pump or disassemble the water pump body during the process.

[0015] This invention utilizes an inclined filter disc to directly intercept solid particles at the pump inlet. Its unique inclination angle, combined with the dynamic action of the water flow, causes impurities to automatically gather to the side and slide off, then be discharged through a guide pipe to an external collection tank. This achieves continuous self-cleaning of the filter surface and effectively prevents blockage of the core flow channel. The independent collection component can store impurities without shutting down the pump. Maintenance only requires cleaning the collection tank, eliminating the need to disassemble the pump body, greatly simplifying the maintenance process and significantly reducing downtime. This design significantly improves the pump's operational reliability, treatment efficiency, and continuous operating cycle under harsh conditions such as desulfurization wastewater with high solids content. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a top view of the structure of the present invention; Figure 3 for Figure 2Schematic diagram of the cross-sectional structure at point AA; Figure 4 for Figure 3 Enlarged structural diagram at point a; Figure 5 for Figure 3 Enlarged structural diagram at point b; Figure 6 This is a front view structural diagram of the present invention; Figure 7 for Figure 6 Schematic diagram of the cross-sectional structure at point AA.

[0018] In the diagram: 1. Mounting plate; 2. Sealed housing; 201. Drive motor; 202. Pump impeller; 3. Spiral channel; 4. Discharge pipe; 5. Collection assembly; 501. Collection box; 502. Discharge cover; 503. Sealing ring; 504. Exchange filter screen; 505. Threaded retaining ring; 506. Connecting pipe; 6. Fixing plate; 7. Fixing bolt; 8. Column; 9. Anti-clogging assembly; 901. Inlet pipe; 9011. Guide groove; 902. Guide pipe; 9021. Receiving boss; 9022. Threaded connecting pipe; 903. Inclined bracket; 904. Filter disc; 905. Mounting bolt. Detailed Implementation

[0019] The technical solution of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they may refer to a fixed connection, a detachable connection, or an integral connection; they may refer to a mechanical connection or an electrical connection; they may refer to a direct connection or an indirect connection through an intermediate medium; and they may refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0022] Example 1 like Figures 1-7 As shown, an anti-clogging water pump for desulfurization wastewater treatment includes a mounting plate 1. A sealing shell 2 is fixedly installed on the upper side of the mounting plate 1. A drive motor 201 is fixedly installed inside the sealing shell 2. A water pump impeller 202 is fixedly installed at the output end of the drive motor 201. A spiral channel 3 is provided on the outer side of the water pump impeller 202. A discharge pipe 4 is provided at the upper end of the spiral channel 3. An anti-clogging component 9 is fixedly installed at the bottom of the mounting plate 1. The anti-clogging component 9 is located below the water pump impeller 202. A collection component 5 for collecting blockages is provided on one side of the mounting plate 1.

[0023] By starting the drive motor 201, the water pump impeller 202 is driven to rotate at the center of the spiral channel 3, thereby creating a negative pressure below it, which draws the sewage below the inlet pipe 901 upward. The water pump impeller 202 can guide the sewage outward into the spiral channel 3. As the water pump impeller 202 continues to rotate, the sewage will be transported upward inside the spiral channel 3 and discharged from the discharge pipe 4. During use, the discharge pipe 4 needs to be connected to the extension pipe so that the sewage can be transported upward from inside the sewage tank.

[0024] In this embodiment, the anti-clogging component 9 includes an inlet pipe 901, which is fixedly installed at the bottom of the mounting plate 1. The inside of the inlet pipe 901 is directly below the water pump impeller 202. An inclined bracket 903 is provided on the inner wall of the inlet pipe 901, and a filter disc 904 for filtering blockages is installed at the bottom of the inclined bracket 903.

[0025] The continuous rotation of the pump impeller 202 causes the sewage below the inlet pipe 901 to flow upward continuously. Under the action of the water flow, the sewage will pass through the filter disc 904. The filter disc 904 can filter out larger particles of impurities in the sewage, thereby preventing the pump from being blocked by impurities during continuous operation and affecting its performance.

[0026] The guide groove 9011 is provided on one side of the inner wall of the inlet pipe 901, and the guide pipe 902 is fixedly installed inside the guide groove 9011. The guide pipe 902 is inclined.

[0027] In this embodiment, a receiving boss 9021 is fixedly installed at one end of the guide tube 902, and a threaded connecting tube 9022 is provided at the other end of the guide tube 902.

[0028] The filter disk 904 is inclined, and the receiving boss 9021 is located on the lower side of the filter disk 904.

[0029] The inclined bracket 903 makes the filter disc 904 inclined, so that when the sewage below continues to flow, the filter disc 904 blocks the impurities. Under the guidance of the inclined filter disc 904, the impurities to be filtered will gather to one side of the filter disc 904, thereby avoiding the situation where the filter disc 904 is completely blocked due to the accumulation of impurities at the bottom of the filter disc 904. This allows the present application to continuously perform water pumping operation in sewage containing impurities. The guide groove 9011 is provided on the inner wall of the inlet pipe 901. Under the action of the guide groove 9011, the impurities gathered on one side will be introduced into the guide pipe 902. Since the guide pipe 902 is inclined, the introduced impurities can be guided downward. Without the need for water flow, the impurities are guided by gravity to enter the collection component 5 through the guide pipe 902 in sequence to prevent excessive impurities.

[0030] The receiving boss 9021 can block the lower end of one side of the guide groove 9011 to prevent the water flow below from entering directly, ensuring that the guide groove 9011 can introduce the impurities accumulated above. The receiving boss 9021 can also receive some of the impurities above and introduce them into the guide tube 902, preventing the impurities from flowing back.

[0031] In this embodiment, the bottom of the tilting bracket 903 is provided with a screw hole, and a number of mounting bolts 905 are inserted through the outer side of the filter disc 904. The mounting bolts 905 are threadedly connected to the screw hole at the bottom of the corresponding tilting bracket 903.

[0032] In this embodiment, the collection component 5 includes a collection box 501, which is disposed on one side of the mounting plate 1. A connecting pipe 506 is provided at the upper opening of the collection box 501. A threaded retaining ring 505 is rotatably provided on the body of the connecting pipe 506. The threaded retaining ring 505 is threadedly engaged with the threaded connecting pipe 9022, and the connecting pipe 506 and the threaded connecting pipe 9022 are mated together.

[0033] The collection box 501 is provided with a discharge cover 502 on the upper side, and an exchange filter 504 for liquid inlet and outlet is installed on one side of the collection box 501 through a sealing ring 503.

[0034] The threaded snap ring 505 engages with the threaded connecting pipe 9022, allowing the connecting pipe 506 to connect with the threaded connecting pipe 9022. This allows impurities from the guide pipe 902 to be transferred to the collection tank 501, preventing them from flowing back into the sewage. The capacity of the collection tank 501 can be customized according to the required impurity content. To ensure stable delivery, the exchange filter 504 allows for the exchange of sewage within the collection tank 501, maintaining stable water pressure inside the collection tank 501 and preventing pressure differentials from interfering with the delivery operation of the pump impeller 202. Furthermore, the exchange filter 504 prevents internal impurities from flowing out, concentrating impurities for treatment and improving the anti-clogging effect of this application.

[0035] In this embodiment, a number of columns 8 are fixedly installed at the bottom of the mounting plate 1, and a fixing plate 6 is fixedly installed at the bottom of the columns 8. Wastewater is treated and enters the inlet pipe 901 through the gaps between the columns 8. A through hole is opened on the outside of the fixing plate 6 and a fixing bolt 7 is installed inside the through hole.

[0036] By means of several columns 8, sewage can enter the inlet pipe 901 through the space between the columns 8, so as to realize the stable pumping operation at the bottom of the sewage tank. When installing this application, the fixing plate 6 is first installed at the bottom of the sewage tank by fixing bolts 7, thereby ensuring the stability of this application during the pumping process.

[0037] The working principle of an anti-clogging water pump used for desulfurization wastewater treatment: Before use, the present application needs to be fixed to the bottom of the sewage tank using the fixing plate 6 and fixing bolts 7, so that the present application is always located at the bottom of the sewage, ensuring the stability of the water flow during sewage transportation. Under this stability, continuous sewage transportation can be carried out, and the stable water flow can be used to push impurities in the sewage into the guide pipe 902 to achieve anti-clogging operation.

[0038] In use, first start the drive motor 201 to drive the water pump impeller 202 to rotate at the center of the spiral channel 3, thereby creating a negative pressure below it, which will draw the sewage below the inlet pipe 901 upward. The water pump impeller 202 can guide the sewage outward to the spiral channel 3. As the water pump impeller 202 continues to rotate, the sewage will be transported upward inside the spiral channel 3, and the sewage will be discharged from the outlet pipe 4. During the transportation process, the sewage passes through the filter disc 904. The filter disc 904 can filter out easily clogging impurities in the sewage. The filter disc 904 is set at an inclined angle, which allows the impurities to flow upward and enter the guide groove 9011. Finally, the impurities are guided to the collection box 501 through the guide pipe 902, thereby completing the anti-clogging transportation.

[0039] This invention uses an inclined filter disc directly installed at the pump inlet to simultaneously intercept larger solid particles in wastewater during transport. Its inclined design, combined with water flow dynamics, allows the trapped impurities to automatically gather and slide to one side, then be discharged to an external collection box through a built-in guide pipe. This effectively prevents rapid clogging in the central area of ​​the filter disc and achieves continuous self-cleaning of the filter surface.

[0040] This invention utilizes an independent impurity collection component to continuously receive and store separated solid impurities without shutting down the water pump. Maintenance personnel only need to periodically open the collection tank cover to clean the accumulated sludge, without any disassembly of the water pump body. This greatly simplifies the maintenance process, significantly reduces downtime, and effectively ensures the continuous and stable operation of wastewater treatment.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A clog-resistant water pump for desulfurization wastewater treatment, characterized in that, include: Mounting plate; A sealed housing is fixedly installed on the upper side of the mounting plate, and a drive motor and a water pump impeller driven by the drive motor are provided inside the sealed housing; A spiral channel is provided on the outside of the water pump impeller; A discharge pipe is disposed at the upper end of the spiral channel; The anti-clogging component is fixedly installed at the bottom of the mounting plate and located below the water pump impeller. It includes an inlet pipe, an inclined bracket disposed on the inner wall of the inlet pipe, a filter disc installed at the bottom of the inclined bracket, a guide groove opened on one side of the inner wall of the inlet pipe, and an inclined guide pipe fixedly installed in the guide groove. A collection component, located on one side of the mounting plate, is used to receive and store impurities discharged from the guide tube.

2. The anti-clogging water pump for desulfurization wastewater treatment according to claim 1, characterized in that, The filter disc is tilted, and the tilt angle matches the tilted bracket, so that the intercepted impurities can accumulate along the tilted surface on the side of the guide groove under the action of water flow.

3. The anti-clogging water pump for desulfurization wastewater treatment according to claim 2, characterized in that, One end of the guide tube is provided with a receiving boss, which is located below the inclined surface of the filter disc and is used to receive and guide the accumulated impurities into the guide tube; the other end of the guide tube is provided with a threaded connecting tube.

4. The anti-clogging water pump for desulfurization wastewater treatment according to claim 3, characterized in that, The collection component includes: The collection box has a connecting pipe at its upper opening; A threaded retaining ring is rotatably mounted on the body of the connecting pipe and is used to connect with the threaded connecting pipe of the guide pipe so that the connecting pipe is mated with the threaded connecting pipe. A discharge cover is provided on the upper side of the collection box; The exchange filter screen is installed on one side of the collection box via a sealing ring to balance the pressure inside and outside the collection box and prevent impurities from flowing out.

5. The anti-clogging water pump for desulfurization wastewater treatment according to claim 1, characterized in that, The filter disc is threadedly connected to the screw holes at the bottom of the inclined bracket by multiple mounting bolts, enabling detachable installation.

6. The anti-clogging water pump for desulfurization wastewater treatment according to claim 1, characterized in that, The mounting plate has several columns fixedly installed at its bottom, and a fixing plate is fixedly installed at the bottom of each column. The fixing plate has through holes and is equipped with fixing bolts for fixing the water pump to the bottom of the sewage tank. Sewage enters the inlet pipe through the gaps between the columns.

7. The anti-clogging water pump for desulfurization wastewater treatment according to claim 1, characterized in that, The pump impeller is located at the center of the spiral channel. When it rotates, it can generate negative pressure below the inlet pipe to draw out sewage and discharge the sewage upward through the spiral channel from the outlet pipe.

8. The anti-clogging water pump for desulfurization wastewater treatment according to claim 1, characterized in that, The guide groove extends vertically or obliquely along the inner wall of the inlet pipe, and the inlet of the guide groove is located near the edge of the higher side of the filter disc, for catching and collecting the accumulated and sliding impurities.

9. The anti-clogging water pump for desulfurization wastewater treatment according to claim 1, characterized in that, The drive motor is fixedly installed inside the sealed housing, and its output shaft is directly connected to or connected to the water pump impeller via a coupling.

10. A method of using an anti-clogging water pump for desulfurization wastewater treatment, characterized in that, The anti-clogging water pump as described in any one of claims 1-9 includes the following steps: S1. Installation and Fixing: Fix the water pump to the bottom of the sewage tank and ensure that the inlet pipe is submerged in the sewage. S2. Start-up and operation: Start the drive motor to drive the water pump impeller to rotate, generate negative pressure below the inlet pipe to extract sewage, and discharge the sewage from the outlet pipe after being accelerated by the water pump impeller and spiral channel. S3. Filtering impurities: When sewage flows through the inclined filter disc, the solid impurities it contains are intercepted and, guided by the water flow and the inclined surface, gather in the guide groove on one side of the filter disc. S4. Discharge and collection: The accumulated impurities slide into the guide groove and are transported downwards by gravity or water flow through the inclined guide pipe, and finally enter the collection component for storage. S5. Maintenance and cleaning: Regularly open the collection component to clean the accumulated impurities. There is no need to stop the water pump or disassemble the water pump body during the process.

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