Continuous purification equipment for sewage treatment

Abstract

The invention discloses continuous purification equipment for sewage treatment, which comprises a cylindrical shell, a filter cartridge part and a scraper self-adjusting cleaning mechanism, the filter cartridge part is arranged at the center of a cylindrical cavity of the cylindrical shell and is used for filtering and purifying solid waste in sewage, the scraper self-adjusting cleaning mechanism is movably sleeved on the filter cartridge part, and the scraper self-adjusting cleaning mechanism is used for cleaning the solid waste in the sewage. A reciprocating sliding structure is formed in a cylinder cavity of the cylindrical shell, and the scraping device is used for scraping and cleaning solid waste accumulated on a filter cylinder piece without affecting filtering and purifying treatment and scraping and pushing the solid waste to assist in centralized collection. According to the continuous purification equipment for sewage treatment, automatic scraping and cleaning operation is achieved, the blocking phenomenon caused by solid waste filtration and accumulation is avoided, the passing rate of follow-up sewage filtration and purification is guaranteed, in addition, concentrated collection of filtered solid waste is achieved, the use requirement of automatic cleaning operation is met, and the continuous purification equipment is worthy of popularization and application. And the service life of the filter cartridge piece is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field related to sewage treatment, and in particular to a continuous purification device for sewage treatment. Background Art

[0002] Industrial wastewater usually contains high levels of solid waste, heavy metal impurities, chemical impurities and other pollutants. After being discharged, the pollutants will remain in the environment for a long time and are difficult to degrade in the environment, causing harm to water resources, air and soil in the environment. Therefore, it is necessary to purify industrial wastewater; Waste heat boilers produce hot water or steam through waste heat recovery to supply other work sections. During long-term use of waste heat boilers, dirt is likely to remain inside. In order to ensure the normal use of waste heat boilers, pickling equipment is usually used to clean the residual dirt. The waste water after descaling contains solid waste and acidic waste water, which needs to be purified and filtered.

[0003] The sewage treatment and purification equipment used in the prior art still has certain shortcomings, such as: 1. In the existing waste water filtration and purification process after the waste heat boiler is descaled, a filter screen is usually used to filter and remove the solid waste in the waste water. However, during the long-term filtration and purification, the filtered solid waste will accumulate on the filter screen. If it is not cleaned in time, it is very easy to cause the filter screen to become blocked, affecting the passage of waste water and subsequent filtration and purification; 2. The existing waste water filtration and purification device after the waste heat boiler is descaled cannot collect and clean the solid waste after filtering through the filter screen. In addition, when cleaning the filter screen, it is necessary to stop the supply of waste water and the filtration and purification work. The solid waste after filtration is cleaned by disassembling the filter screen. The operation method is not simple enough and continuous filtration and purification cannot be achieved, which affects the work efficiency. Therefore, we propose a continuous purification device for sewage treatment to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a continuous purification device for sewage treatment to solve the problem that the filter screen is easily blocked, which affects the filtration of waste water, and cannot achieve continuous filtration and purification treatment, thus affecting work efficiency.

[0005] To achieve the above object, the present invention provides the following technical solution: a continuous purification device for sewage treatment, comprising: A cylindrical shell, wherein the middle section of the cylindrical shell is connected to a liquid inlet pipe of an integrated structure, and the middle part of the upper shell cover of the cylindrical shell is connected to a liquid outlet pipe of an integrated structure; Also includes: A filter cartridge, which is placed in the center of the cylinder cavity of the cylindrical shell and is used for filtering and purifying solid waste in sewage; The scraper self-adjusting cleaning mechanism is movably mounted on the filter cylinder, and forms a reciprocating sliding structure in the cylinder cavity of the cylindrical shell. It is used to scrape and clean the solid waste accumulated on the filter cylinder without affecting the filtering and purification process, and its scraping and pushing of the solid waste assists in centralized collection.

[0006] Preferably, a dirt collecting hood is sealed and fixedly connected to the lower mouth of the cylindrical shell by bolts, and the middle part of the upper cover wall of the dirt collecting hood is fixedly connected to the lower mouth of the filter cylinder by bolts, the lower cover mouth of the dirt collecting hood is sealed and fixedly connected to one end of the solenoid valve, and the other end of the solenoid valve is sealed and fixedly connected to the pipe mouth of the sewage extraction pipe.

[0007] Preferably, linkage auxiliary grooves are provided on the cylinder cavity wall of the cylindrical shell, and the linkage auxiliary grooves are arranged in a circular array with the cylinder center of the cylindrical shell as the center of the circle; Wherein, the linkage auxiliary groove comprises a first straight groove path, a spiral groove path, a second straight groove path and a flat groove path, the upper end of the first straight groove path is intersected and connected with one end of the spiral groove path, and the other end of the spiral groove path is intersected and connected with the upper end of the second straight groove path, and the lower end of the second straight groove path is intersected and connected with one end of the flat groove path, and the other end of the flat groove path is intersected and connected with the lower end of the first straight groove path; Wherein, a secondary groove is vertically extended downward from the lower end of the second straight groove.

[0008] Preferably, a blocking bar of an integrated structure is arranged in the groove cavity of the first straight groove path, and inclined side walls are arranged at both upper and lower ends of the blocking bar.

[0009] Preferably, a movable tongue for limiting is provided at the connection between the first straight groove and the spiral groove, and the movable tongue forms a telescopic sliding structure at the upper end groove wall of the first straight groove, and a first spring is installed at the connection between the movable tongue and the groove wall in the first straight groove; Wherein, an inclined side wall is arranged on one side of the upper end of the movable tongue close to the spiral groove.

[0010] Preferably, the scraper self-adjusting cleaning mechanism comprises a ring frame, a bearing ring frame and a scraper member, the ring frame forms a reciprocating sliding structure in the cylinder cavity of the cylindrical shell, the upper side of the ring frame is rotatably connected with the bearing ring frame, and a torsion spring is installed at the connection between the bearing ring frame and the ring frame, and the upper side wall of the bearing ring frame is fixedly connected with the output end of the electric telescopic rod by bolts, and the electric telescopic rod is fixedly installed on the shell cover of the cylindrical shell by bolts; Wherein, a scraper piece is telescopically and slidably connected in the shell cavity of the ring frame, and the scraper piece is arranged in a ring array with the ring center of the ring frame as the center, and a second spring is installed at the connection between the scraper piece and the ring frame.

[0011] Preferably, the rubber plates of two adjacent scraper members in the annular frame are arranged in a close fit, and the rubber plate in the scraper member and the surface of the filter cylinder member are arranged in a state of pressing and fitting.

[0012] Preferably, a pin portion of an integrated structure is provided in the middle of one end of the scraper member facing the ring frame, and the end of the pin portion forms a sliding structure on the cylinder cavity wall of the cylindrical shell along the linkage auxiliary groove, and the end of the pin portion is connected to the blocking strip by a pressing and fitting manner.

[0013] Preferably, a sealing ring frame is fixedly connected to the lower side of the ring frame by bolts, and the sealing ring frame is connected to the annular channel between the filter cartridge and the cylindrical shell by a sealing engagement manner.

[0014] Compared with the prior art, the invention has the following beneficial effects: the continuous purification equipment for sewage treatment realizes the automatic scraping and cleaning operation, avoids the blockage caused by the accumulation of solid waste in the filtration, ensures the pass rate of subsequent waste water filtration and purification, and realizes the centralized collection of solid waste after filtration, thus solving the use demand of automatic cleaning operation; 1. A linkage auxiliary groove and a scraper are provided. The scraper is provided with an integrated pin column at the middle of one end of the ring frame. The pin column and the blocking strip are pushed and matched to make the scraper slide out in the shell cavity of the ring frame. The rubber plates in the multiple scraper components are combined to form an annular structure to completely wrap the surface of the filter cylinder. After the ring frame drives the scraper component to move downward, the rubber plate in the scraper component is in contact with the surface of the filter cylinder to scrape, and the solid waste on the outer surface of the filter cylinder is automatically scraped and cleaned, so as to avoid the solid waste being filtered and accumulated on the filter cylinder to cause blockage, thereby ensuring the subsequent pass rate of waste water filtration and purification, and thus ensuring the purification work efficiency. In addition, the filter cylinder is cleaned regularly to ensure the service life of the filter cylinder and the purification and filtering effect; Furthermore, after the ring frame is completely moved down, the rubber plate in the scraper member completes the scraping and cleaning of the outer surface of the filter cylinder member, and the elastic deformation of the torsion spring is used to reset, so that the ring frame drives the scraper member to reset and rotate on the load-bearing ring frame, and the pin column part slides into the second straight groove path along the flat groove path. After the pin column part loses the pushing, the elastic deformation of the second spring is used to reset, so that the scraper member resets and shrinks and slides in the shell cavity of the ring frame, and the pressure and fit between the rubber plate in the scraper member and the outer surface of the filter cylinder member are released. Through the setting of the linkage structure, the automatic recovery of the scraper member is realized, and the scraper member is prevented from scraping the solid waste upward when the ring frame moves up, so that a single downward scraping and cleaning is realized, which assists the subsequent centralized cleaning of solid waste. Furthermore, the linkage auxiliary groove is arranged in a U-shaped structure, and the pin part is assisted by the spiral groove to reset and slide into the first straight groove, so as to realize the reciprocating telescopic scraping and cleaning operation of the scraper, optimize the overall structure, ensure the automation performance of the purification equipment, and realize continuous filtering and purification operation without affecting the filtering and purification process, that is, without stopping the machine; 2. A sealing ring frame and a dirt collecting cover are provided. After the ring frame drives the scraper to move downward, the scraper moves downward to pass the filtered solid waste through the annular channel between the filter cylinder and the cylindrical shell, and enter the cover cavity of the dirt collecting cover for collection, thereby realizing the centralized collection of the filtered solid waste; Furthermore, through the mutual cooperation between the secondary groove and the pin column, the ring shell frame is driven to move downward continuously, so that the sealing ring frame is sealed and connected to the annular channel between the filter cartridge and the cylindrical shell, so that the cover cavity of the dirt collecting cover forms a sealed and closed cavity. After the solenoid valve is turned on, a low-pressure vacuum state is formed through the sewage extraction pipe. Through the low-pressure extraction method, the demand for automatic cleaning operation of solid waste after filtration is solved. Different from the traditional disassembly cleaning method, the cleaning operation is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the front view of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of a front cross-sectional three-dimensional structure of the present invention; Figure 3 It is a schematic diagram of a front view cross-sectional three-dimensional structure of the connection between the cylindrical shell and the filter cartridge of the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the cylindrical shell and the dirt collecting cover of the present invention when they are separated and viewed from top; Figure 5 It is a schematic diagram of a side cross-sectional three-dimensional structure of the connection between the cylindrical shell and the linkage auxiliary groove of the present invention; Figure 6 It is a schematic diagram of a side cross-sectional three-dimensional structure of the connection between the first straight groove and the movable tongue of the present invention; Figure 7It is a schematic diagram of the three-dimensional structure of the scraper self-adjusting cleaning mechanism of the present invention when viewed from above; Figure 8 It is a schematic diagram of the side cross-sectional three-dimensional structure of the connection between the filter cartridge and the ring frame of the present invention; Fig. 9 For the present invention Figure 8 The enlarged structural diagram at A in the middle; Fig.10 It is a schematic diagram of a side cross-sectional three-dimensional structure of the connection between the ring frame and the bearing ring frame of the present invention; Fig.11 It is a top view cross-sectional three-dimensional structural schematic diagram of the connection between the ring frame and the scraper member of the present invention.

[0016] In the figure: 1. cylindrical shell; 2. liquid inlet pipe; 3. liquid outlet pipe; 4. filter cylinder; 5. scraper self-adjusting cleaning mechanism; 6. dirt collecting cover; 7. solenoid valve; 8. sewage extraction pipe; 9. linked auxiliary groove; 901. first straight groove; 902. spiral groove; 903. second straight groove; 904. flat groove; 905. secondary groove; 906. blocking bar; 10. movable tongue; 11. first spring; 12. ring shell frame; 13. bearing ring frame; 14. torsion spring; 15. electric telescopic rod; 16. scraper member; 1601. pin column; 17. second spring; 18. sealing ring frame. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-11 The present invention provides a technical solution: a continuous purification device for sewage treatment, including a cylindrical shell 1, a filter cylinder 4 and a scraper self-adjusting cleaning mechanism 5.

[0019] When the continuous purification equipment for sewage treatment is in use, the filter cartridge 4 is placed at the center of the cylinder cavity of the cylindrical shell 1, and the solid waste in the waste water after the waste heat boiler is descaled is filtered and purified by the filter cartridge 4. Specifically, according to the attached Figure 1 , Figure 2 and Figure 3As shown, the liquid inlet pipe 2 is divided into two parts, an annular tube body and a straight tube body, wherein the straight tube body is connected and arranged in the middle part of the right side of the annular tube body, and the end of the straight tube body is provided with a flange of an external pipeline. After the liquid inlet pipe 2 is placed, the annular tube body is arranged on the middle wall of the cylindrical shell 1 in a sleeve shape, and is connected and arranged in an integrated structure. Moreover, a liquid through hole is opened on the middle wall of the cylindrical shell 1, wherein the liquid through hole is arranged in an annular array with its cylinder center as the center, the tube cavity of the annular tube body in the liquid inlet pipe 2 is connected with the cylinder cavity of the cylindrical shell 1 through the liquid through hole in the cylindrical shell 1, and the water inlet pipe is connected to the outside through the flange of the straight tube body in the liquid inlet pipe 2. Waste water passes through the straight tube body, the annular tube body and the liquid through hole in the cylindrical shell 1 in turn and enters the cylinder cavity of the cylindrical shell 1; Since the upper side of the cylindrical shell 1 is fixedly connected with the shell cover by bolts, wherein the middle part of the shell cover is provided with a liquid through hole, and since the filter cartridge 4 is arranged in a cylindrical structure, the longitudinal section of the upper end of the cartridge is in a "convex" shape, and a sealing rubber ring is fixedly connected to the upper end of the cartridge wall, after the filter cartridge 4 is arranged, the upper end of the filter cartridge 4 together with the sealing rubber ring is plugged in the liquid through hole of the shell cover in the cylindrical shell 1, so that the cylinder cavity of the filter cartridge 4 is sealed and connected with the tube cavity of the liquid outlet pipe 3, and then since the lower side of the cylindrical shell 1 is sealed and fixed by bolts, the filter cartridge 4 is sealed and connected with the liquid outlet pipe 3. A dirt collecting cover 6 is connected, and the lower end of the filter cylinder 4 is in a closed state. The lower end of the filter cylinder 4 is clamped and fixedly connected to the middle of the upper cover wall of the dirt collecting cover 6 by bolts. After the waste water enters the cylinder cavity of the cylindrical shell 1, the solenoid valve 7 at the lower end of the dirt collecting cover 6 is closed, and the solid waste in the waste water is filtered and purified by the filter cylinder 4, so that the solid waste is filtered out of the waste water and retained on the outer surface of the filter cylinder 4 and the cylinder cavity of the cylindrical shell 1, and the purified sewage enters the cylinder cavity of the filter cylinder 4; Since a sealing rubber ring is provided at the connection between the shell cover in the cylindrical shell 1 and the upper side wall of the cylinder mouth, and since the liquid outlet pipe 3 is arranged in a curved tube structure, a flange for an external pipeline is provided at its right end, and after the liquid outlet pipe 3 is arranged, its left end is arranged in a vertical state at the middle of the shell cover of the cylindrical shell 1, forming an integrated structure and communicating arrangement, wherein the tube cavity is connected with the cylinder cavity of the cylindrical shell 1 through the liquid through-hole of the shell cover in the cylindrical shell 1, and the water outlet pipe is connected to the outside through the flange in the liquid outlet pipe 3, and the purified sewage is purified and discharged through the liquid outlet pipe 3; When the continuous purification equipment for sewage treatment is in use, the scraper self-adjusting cleaning mechanism 5 is placed and sleeved on the filter cylinder 4 in an active state, and is placed in the cylinder cavity of the cylindrical shell 1 in a horizontal state, and its center coincides with the tube center of the filter cylinder 4, and it forms a reciprocating sliding structure in the cylinder cavity of the cylindrical shell 1. The scraper self-adjusting cleaning mechanism 5 is used to scrape and clean the solid waste accumulated on the filter cylinder 4 without affecting the filtering and purification process. Specifically, according to the attached Figure 2 , Figure 5 , Figure 6 , Figure 7 , Figure 8, Fig. 9 , Fig.10 and Fig.11 As shown, a seal is provided at the connection between the electric telescopic rod 15 and the shell cover of the cylindrical shell 1. Since the electric telescopic rod 15 is symmetrically arranged about the vertical central axis of the cylindrical shell 1, it is fixedly installed on the shell cover of the cylindrical shell 1 by bolts after being placed, and is arranged in a vertical downward state, and the output end thereof is sealed and inserted through the shell cover of the cylindrical shell 1 and inserted into the cylinder cavity of the cylindrical shell 1. Since the output end of the electric telescopic rod 15 is plugged and fixedly connected with the upper side wall of the bearing ring frame 13 by bolts, the electric telescopic rod 15 is started to extend and operate, driving the bearing ring frame 13 to move downward; Since the upper side wall of the ring frame 12 is fixedly connected to the limiting ring by bolts, the bearing ring frame 13 is movably clamped on the upper side of the ring frame 12 after being placed, and the ring centers of the two coincide with each other. With the assistance of the limiting ring of the ring frame 12, the bearing ring frame 13 is positioned on the ring frame 12 in an active state. When the bearing ring frame 13 is driven to move downward, it drives the ring frame 12 to move downward synchronously. Since the ring frame 12 is arranged in a horizontal state after being placed in the cylinder cavity of the cylindrical shell 1, and is movably sleeved on the outside of the filter cylinder 4, and since the inner and outer ring diameters of the bearing ring frame 13 are respectively smaller than the inner and outer ring diameters of the ring frame 12, the ring frame 12 is driven to slide downward in the cylinder cavity of the cylindrical shell 1; Since the linkage auxiliary groove 9 includes a first straight groove path 901, a spiral groove path 902, a second straight groove path 903 and a flat groove path 904, and is arranged in a U-shaped structure, it is opened on the cylinder cavity wall of the cylindrical shell 1, and is arranged vertically, and is arranged in a ring array with the cylinder center of the cylindrical shell 1 as the center of the circle, and since the scraper member 16 is arranged in a ring array with the ring center of the ring frame 12 as the center of the circle, each scraper member 16 is arranged in a one-to-one correspondence with each linkage auxiliary groove 9; Since the pin part 1601 is arranged in an integrated structure at the middle of one end of the scraper member 16 facing the ring frame 12 and is arranged in a vertical state, after the scraper member 16 is placed, the pin part 1601 movably penetrates through the shell cavity wall of the ring frame 12 and extends outward, and is movably inserted into the groove cavity of the linkage auxiliary groove 9. The end of the pin part 1601 forms a sliding structure on the cylinder cavity wall of the cylindrical shell 1 along the linkage auxiliary groove 9. After the ring frame 12 is driven to move downward, it drives the scraper member 16 to move downward synchronously, so that the end of the pin part 1601 slides along the first straight groove 901. Since the blocking bar 906 of an integrated structure is arranged in the groove cavity of the first straight groove 901, the thickness of the blocking bar 906 is smaller than the groove depth of the first straight groove 901, and since the upper end of the blocking bar 906 is provided with an inclined side wall, when the pin column 1601 slides along the first straight groove 901, the inclined side wall of the upper end of the blocking bar 906 assists the pin column 1601 to slide onto the blocking bar 906, and the end of the pin column 1601 is pressed and connected with the blocking bar 906, and the pin column 1601 is pushed and moved by the blocking bar 906; Since a sliding groove is provided on the lower side wall of the shell cavity of the ring frame 12, a positioning bolt is fixedly connected to the lower side thread of the pin column 1601. After the scraper member 16 is installed, the positioning bolt in the pin column 1601 is movably inserted into the sliding groove of the ring frame 12, so that the scraper member 16 is positioned on the ring frame 12 in an active state. Since the cross section of the scraper member 16 is arranged in a fan-shaped structure, the center of the circle coincides with the center of the ring frame 12. After the scraper member 16 is installed, it is movably clamped in the shell cavity of the ring frame 12, and the end thereof facing the filter cylinder member 4 is arranged in an outwardly extending state. After the pin column 1601 is pushed, the scraper member 16 slides and extends out in the shell cavity of the ring frame 12. Since the second spring 17 is installed at the connection between the scraper member 16 and the ring frame 12, the second spring 17 is symmetrically arranged about the horizontal center axis of the scraper member 16, and after being installed, one end of the second spring 17 is movably inserted in the spring chamber of the second spring 17, and the bolts are fixed on the spring chamber wall, and the other end of the second spring 17 is movably inserted in the spring chamber of the shell cavity of the ring frame 12, and the bolts are fixed on the spring chamber wall. After the scraper member 16 slides out, the second spring 17 is pulled to elastically deform; Since a rubber plate is fixedly connected to the end of the scraper member 16 facing the filter cylinder member 4, wherein the rubber plate is adapted to the filter cylinder member 4 in an arc shape, and since the rubber plates of two adjacent scraper members 16 in the ring frame 12 are fitted, after the multiple scraper members 16 slide out, the rubber plates in the multiple scraper members 16 are combined to form an annular structure, so that the rubber plates in the scraper members 16 and the surface of the filter cylinder member 4 are arranged in a state of being pressed against each other, and the rubber plates in the multiple scraper members 16 completely wrap the outer surface of the filter cylinder member 4, after the ring frame 12 is driven to move downward, the pin column portion 1601 continues to slide along the blocking bar 906, that is, when the ring frame 12 continues to move downward, the scraper member 16 is kept in an extended state, and the solid waste retained on the surface of the filter cylinder member 4 is scraped and cleaned by the rubber plate in the scraper member 16, and the solid waste is pushed to move downward; Since the lower end of the blocking bar 906 is provided with an inclined side wall, and the inclined side walls at the upper and lower ends are arranged in opposite states, after the ring frame 12 is driven to move downward, the pin column part 1601 slides along the lower end inclined wall of the blocking bar 906 and detaches from the blocking bar 906, so that the pin column part 1601 loses the pushing force, and the elastic deformation of the second spring 17 is used to reset, so that the scraper member 16 is reset, slid and contracted in the shell cavity of the ring frame 12, and the rubber plate in the scraper member 16 is separated from the filter cylinder member 4; Since the first straight groove 901, the spiral groove 902, the second straight groove 903 and the flat groove 904 are arranged in the same size, the other end of the flat groove 904 is connected and connected with the lower end of the first straight groove 901, and is arranged in a horizontal arc state, and the arc center coincides with the center of the scraper self-adjusting cleaning mechanism 5, and since the connection between the bearing ring frame 13 and the ring frame 12 is equipped with a torsion spring 14, the torsion spring 14 is movably sleeved on the upper end of the ring frame 12 after being installed, one of the One end is clamped on the shell wall of the ring frame 12, and the other end is clamped on the inner ring wall of the bearing ring frame 13. When the ring frame 12 is completely moved downward and slid, the pin column part 1601 is placed at the connection between the first straight groove path 901 and the flat groove path 904, and the elastic deformation of the torsion spring 14 is used to reset, so that the bearing ring frame 13 is driven to rotate on the upper side of the ring frame 12, and the pin column part 1601 slides along the flat groove path 904 to the connection between the flat groove path 904 and the second straight groove path 903; Since the lower end of the second straight groove 903 is connected to one end of the flat groove 904, the second straight groove 903 is arranged in parallel with the first straight groove 901. According to the above, the electric telescopic rod 15 is started to retract and operate, driving the bearing ring frame 13 to move upward, and driving the ring frame 12 to move upward synchronously in the cylinder cavity of the cylindrical shell 1. When the ring frame 12 moves upward and resets, it drives the scraper member 16 to move synchronously, so that the pin column portion 1601 slides along the second straight groove 903. Since the other end of the spiral groove 902 is intersected and connected with the upper end of the second straight groove 903, and the upper end of the first straight groove 901 is intersected and connected with one end of the spiral groove 902, the spiral center of the spiral groove 902 coincides with the center of the scraper self-adjusting cleaning mechanism 5, and is arranged in a spiral inclined state, after the ring frame 12 moves upward to reset and slide, the pin column part 1601 slides along the spiral groove 902 into the first straight groove 901 to reset; Since a movable tongue 10 for limiting is provided at the connection between the first straight groove path 901 and the spiral groove path 902, a sliding groove is provided on the upper end groove wall of the first straight groove path 901, and since a positioning bolt is threadedly fixed on the block of the movable tongue 10, the movable tongue 10 is movably clamped in the upper end groove wall of the first straight groove path 901 after being installed, wherein the positioning bolt is movably inserted in the sliding groove in the first straight groove path 901, and its upper end is movably inserted into the spiral groove path 902, so that the movable tongue 10 is positioned in the upper end groove wall of the first straight groove path 901 in an active state, and since a first spring 11 is installed at the connection between the movable tongue 10 and the groove wall in the first straight groove path 901, after the first spring 11 is installed, one end of the first spring 11 is movably inserted in the spring compartment of the movable tongue 10 and presses against the spring compartment wall, and the other end of the first spring 11 is movably inserted in the spring compartment of the groove wall of the first straight groove path 901 and presses against the spring compartment On the bin wall, after the pin part 1601 slides into the first straight groove 901 along the spiral groove 902, an inclined side wall is provided on the upper end of the movable tongue 10 near the spiral groove 902. When the pin part 1601 contacts the movable tongue 10, the inclined side wall in the movable tongue 10 pushes the movable tongue 10 to make it contract and slide on the upper end groove wall of the first straight groove 901, and the first spring 11 is squeezed and elastically deformed. When the pin part 1601 loses contact with the movable tongue 10, the elastic deformation of the first spring 11 is used to reset the movable tongue 10, so that the movable tongue 10 extends and resets and slides on the upper end groove wall of the first straight groove 901. The pin part 1601 is limited in the first straight groove 901 by the movable tongue 10, completing a reciprocating motion of the scraper self-adjusting cleaning mechanism 5, and the scraper self-adjusting cleaning mechanism 5 can also be operated to perform reciprocating sliding cleaning; When the continuous purification equipment for sewage treatment is in use, the scraper self-adjusting cleaning mechanism 5 scrapes and pushes the solid waste to assist in centralized collection. Specifically, according to the attached Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 7 , Fig. 9 and Fig.10As shown, the lower end wall of the filter cartridge 4 is arranged in a trumpet-shaped structure and is provided with an inclined side wall. Since an annular channel is reserved between the lower end of the filter cartridge 4 and the lower side of the cylindrical shell 1, wherein the annular channel is arranged in an open state, and since the dirt collecting hood 6 is arranged in a funnel-shaped structure, a sealing rubber ring is arranged at the connection between it and the lower side of the cylindrical shell 1, and it is sealed and fixedly connected to the lower side of the cylindrical shell 1 by bolts, the upper side cover opening of the dirt collecting hood 6 is composed of a plurality of through openings in an annular combination, wherein the through openings are arranged in an annular array with their center as the center of the circle, and the upper side cover opening is arranged to be connected with the annular channel between the filter cartridge 4 and the cylindrical shell 1 in a corresponding manner, even if the cover cavity of the dirt collecting hood 6 is connected with the cylinder cavity of the cylindrical shell 1, after the ring shell frame 12 moves downward, the filtered solid waste is scraped by the scraper member 16, so that the solid waste passes through the annular channel between the filter cartridge 4 and the cylindrical shell 1 and the through opening in the dirt collecting hood 6, and enters the cover cavity of the dirt collecting hood 6 for centralized collection; Since the lower end of the second straight groove 903 is vertically extended downward to be provided with a secondary groove 905, the secondary groove 905 is intersected and connected with the lower end of the second straight groove 903, and the two are provided with the same specifications and dimensions, when the ring frame 12 is driven to move completely downward, the pin column part 1601 slides to the connection between the flat groove 904 and the second straight groove 903, and the electric telescopic rod 15 is started to continuously extend and operate, driving the ring frame 12 to continuously move downward, so that the pin column part 1601 slides along the secondary groove 905; Since the longitudinal section of the sealing ring frame 18 is in a "convex" shape, the inner and outer ring walls thereof are fixedly clamped with sealing rubber rings, and the specifications and dimensions thereof are adapted to the annular channel between the filter cartridge 4 and the cylindrical shell 1. After being placed, the sealing ring frame 18 is clamped and fixedly connected to the lower side of the ring frame frame 12 by bolts. After the ring frame frame 12 is continuously moved downward, the sealing ring frame 18 is connected to the annular channel between the filter cartridge 4 and the cylindrical shell 1 in a sealed clamping manner, so that the cover cavity of the dirt collecting cover 6 forms a sealed and closed cavity. Since the lower end of the dirt collecting hood 6 is sealed and fixedly connected to one end of the electromagnetic valve 7, and the other end of the electromagnetic valve 7 is sealed and fixedly connected to the pipe opening of the sewage extraction pipe 8, the electromagnetic valve 7 is used to control the connection and closure between the dirt collecting hood 6 and the sewage extraction pipe 8. Since the sewage extraction pipe 8 is externally connected to an air pressure pump (the above-mentioned air pressure pump and the connection method of the air pressure pump are both existing technologies, which are not described in the drawings of the specification), the electromagnetic valve 7 is opened to connect the dirt collecting hood 6 with the sewage extraction pipe 8, and the air pressure pump in the sewage extraction pipe 8 is used to evacuate air, so that the lumen of the sewage extraction pipe 8 forms a low-pressure vacuum state, which is used for extraction, discharge and cleaning of solid waste in the dirt collecting hood 6; This is the entire working process of the continuous purification equipment for sewage treatment. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0020] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0021] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A continuous purification device for sewage treatment, comprising: A cylindrical shell (1), wherein a liquid inlet pipe (2) of an integrated structure is provided in communication with the middle section of the cylindrical shell (1), and a liquid outlet pipe (3) of an integrated structure is provided in communication with the middle section of the upper shell cover of the cylindrical shell (1); It is characterized by further comprising: A filter cartridge (4), the filter cartridge (4) being arranged at the center of the cylinder cavity of the cylindrical shell (1) and being used for filtering and purifying solid waste in sewage; A scraper self-adjusting cleaning mechanism (5) is movably mounted on the filter cartridge (4), and forms a reciprocating sliding structure in the cylinder cavity of the cylindrical shell (1). The scraper self-adjusting cleaning mechanism (5) is used to scrape and clean solid waste accumulated on the filter cartridge (4) without affecting the filtering and purification process, and the scraping and pushing of the solid waste assists in centralized collection.

2. A continuous purification device for sewage treatment according to claim 1, characterized in that: A dirt collecting hood (6) is sealed and fixedly connected to the lower end of the cylindrical shell (1) by bolts, and the middle part of the upper wall of the dirt collecting hood (6) is fixedly connected to the lower end of the cylindrical filter element (4) by bolts. The lower end of the dirt collecting hood (6) is sealed and fixedly connected to one end of the electromagnetic valve (7), and the other end of the electromagnetic valve (7) is sealed and fixedly connected to the pipe mouth of the sewage extraction pipe (8).

3. A continuous purification device for sewage treatment according to claim 1, characterized in that: The cylindrical shell (1) is provided with linkage auxiliary grooves (9) on the cylinder cavity wall, and the linkage auxiliary grooves (9) are arranged in a circular array with the cylinder center of the cylindrical shell (1) as the center of the circle; The linkage auxiliary groove (9) comprises a first straight groove path (901), a spiral groove path (902), a second straight groove path (903) and a flat groove path (904); the upper end of the first straight groove path (901) is intersected and connected with one end of the spiral groove path (902), and the other end of the spiral groove path (902) is intersected and connected with the upper end of the second straight groove path (903), and the lower end of the second straight groove path (903) is intersected and connected with one end of the flat groove path (904), and the other end of the flat groove path (904) is intersected and connected with the lower end of the first straight groove path (901); Wherein, a secondary groove path (905) is provided at the lower end of the second straight groove path (903) extending vertically downward.

4. A continuous purification device for sewage treatment according to claim 3, characterized in that: A blocking bar (906) of an integrated structure is arranged in the groove cavity of the first straight groove path (901), and inclined side walls are arranged at both the upper and lower ends of the blocking bar (906).

5. A continuous purification device for sewage treatment according to claim 4, characterized in that: A movable tongue (10) for limiting position is provided at the connection between the first straight groove (901) and the spiral groove (902), and the movable tongue (10) forms a telescopic sliding structure at the upper groove wall of the first straight groove (901), and a first spring (11) is installed at the connection between the movable tongue (10) and the groove wall in the first straight groove (901); Wherein, an inclined side wall is provided on a side of the upper end of the movable tongue (10) close to the spiral groove (902).

6. A continuous purification device for sewage treatment according to claim 1, characterized in that: The scraper self-adjusting cleaning mechanism (5) comprises a ring frame (12), a bearing ring frame (13) and a scraper member (16); the ring frame (12) forms a reciprocating sliding structure in the cylinder cavity of the cylindrical shell (1); the upper side of the ring frame (12) is rotatably connected to the bearing ring frame (13); a torsion spring (14) is installed at the connection between the bearing ring frame (13) and the ring frame (12); the upper side wall of the bearing ring frame (13) is fixedly connected to the output end of the electric telescopic rod (15) by bolts; and the electric telescopic rod (15) is fixedly installed on the shell cover of the cylindrical shell (1) by bolts; A scraper member (16) is telescopically and slidably connected in the shell cavity of the ring frame (12), and the scraper members (16) are arranged in a ring array with the center of the ring frame (12) as the center of the circle, and a second spring (17) is installed at the connection between the scraper member (16) and the ring frame (12).

7. A continuous purification device for sewage treatment according to claim 6, characterized in that: The rubber plates of two adjacent scraper members (16) in the ring frame (12) are arranged in a close-fitting manner, and the rubber plates in the scraper members (16) and the surfaces of the filter cylinder members (4) are arranged in a state of being pressed against each other and in a close-fitting manner.

8. A continuous purification device for sewage treatment according to claim 7, characterized in that: A pin column portion (1601) of an integrated structure is provided in the middle of one end of the scraper member (16) facing the ring frame (12), and the end of the pin column portion (1601) forms a sliding structure on the cylinder cavity wall of the cylindrical shell (1) along the linkage auxiliary groove (9), and the end of the pin column portion (1601) is connected to the blocking strip (906) in a pressing and fitting manner.

9. A continuous purification device for sewage treatment according to claim 6, characterized in that: The lower side of the annular frame (12) is fixedly connected to a sealing ring frame (18) by means of bolts, and the sealing ring frame (18) is connected to the annular channel between the filter cartridge (4) and the cylindrical shell (1) by means of a sealing engagement.

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