A durable concrete wastewater recycling device

Abstract

The application relates to a durable concrete wastewater recycling device and relates to the technical field of wastewater recycling; the device comprises a box, the box is connected with a wastewater inlet pipe and a water outlet pipe; a filter cartridge is arranged in the box, the filter cartridge is located between the wastewater inlet pipe and the water outlet pipe, wastewater entering the box through the wastewater inlet pipe flows to the water outlet pipe after being filtered through the filter cartridge; a cleaning mechanism is further arranged in the box, and the cleaning mechanism is used for dredging filter cartridge mesh holes; the application has the effect of improving wastewater treatment and recycling efficiency.

Description

Technical Field

[0001] This application relates to the field of wastewater recycling technology, and in particular to a device for recycling durable concrete wastewater. Background Technology

[0002] After use, concrete mixing plants need to be cleaned with water. Due to the high frequency of use, a lot of wastewater is generated over a long period of time. Directly discharging the wastewater will not only pollute the environment but also waste water resources. Therefore, factories usually recycle and reuse the wastewater.

[0003] Currently, the commonly used wastewater recycling method in the market is to introduce wastewater into a sedimentation tank to settle sand and mud, and then use a water pump to extract the usable water from the upper layer for reuse. However, the sedimentation tank recycling method requires waiting for the sand and mud to settle, which is slow and results in low recycling efficiency, so it needs to be improved. Summary of the Invention

[0004] To improve wastewater recycling efficiency, this application provides a durable concrete wastewater recycling device.

[0005] This application provides a durable concrete wastewater recycling device, which adopts the following technical solution: A durable concrete wastewater recycling device includes a tank connected to a wastewater inlet pipe and an outlet pipe. A filter cartridge is installed inside the tank, located between the wastewater inlet pipe and the outlet pipe. Wastewater entering the tank through the wastewater inlet pipe is filtered by the filter cartridge and flows to the outlet pipe. A cleaning mechanism is also provided inside the tank for unclogging the filter cartridge mesh.

[0006] By adopting the above technical solution, the wastewater entering the tank through the wastewater inlet pipe will be filtered by the filter cartridge to remove impurities before flowing to the outlet pipe for reuse. Compared with sedimentation, the method of cleaning wastewater through filtration improves the wastewater recycling efficiency. In addition, this application further provides a cleaning mechanism for unclogging the filter cartridge mesh to ensure the filtration effect of the filter cartridge on the wastewater, realize the continuous treatment of large amounts of wastewater, and thus indirectly improve the wastewater recycling efficiency.

[0007] Preferably, the cleaning mechanism includes a scraper and a lifting component. The scraper is inserted inside the filter cartridge, and the peripheral wall of the scraper is attached to the inner wall of the filter screen. The lifting component is used to drive the scraper to slide back and forth along the height direction of the filter cartridge.

[0008] By adopting the above technical solution, the lifting component drives the scraper to slide back and forth along the height direction of the filter cartridge. Since the scraper's peripheral wall is attached to the inner wall of the filter screen, the scraper will scrape the side wall of the filter cartridge during the sliding process, thereby clearing the filter cartridge mesh and ensuring the filter cartridge's filtration effect on wastewater.

[0009] Preferably, the side wall of the housing is detachably covered with a cover plate, which is located at the end of the filter cartridge and on the sliding path of the scraper as it slides along the height direction of the filter cartridge. The scraper includes a base plate, a central column and an annular plate disposed on the base plate. The annular plate is located around the central column, and an annular groove is reserved between the annular plate and the central column. A transition plate is slidably connected to the inner wall of the annular groove. When the central column slides along the height direction of the filter cartridge under the action of the lifting component, the wastewater inlet is located on the moving path of the central column. The annular groove is used for the insertion of the end of the wastewater inlet.

[0010] By adopting the above technical solution, the cover plate is opened, and the scraper is driven to slide along the height direction of the filter cartridge by the lifting component, so that the scraper gradually approaches the wastewater inlet pipe. When the scraper moves to the wastewater inlet pipe, the end wall of the wastewater inlet pipe is inserted into the annular groove, and the transition plate slides relative to the annular groove to make way for the wastewater inlet pipe. At this time, the central column is inserted into the wastewater inlet pipe, and the annular plate is sleeved around the wastewater inlet pipe and moves to the cover plate of the box. By removing the cover plate, the debris on the surface of the annular plate can be cleaned, so as to discharge the debris inside the filter cartridge from the box.

[0011] Preferably, the cross-section of the central column in the height direction is high in the middle and low at both ends, and the side of the ring plate away from the central column is inclined downward.

[0012] By adopting the above technical solution, both the central column and the ring plate are defined as having a high center and a low periphery, so that impurities falling onto the scraper surface can move towards the surface at the edge of the scraper under the guidance of the inclined scraper, reducing the amount of debris on the surface of the central column. This allows the debris concentrated on the ring plate to be discharged through the ring plate when it moves up to the cover plate position, reducing the possibility of debris being inserted into the wastewater inlet pipe along with the central column.

[0013] Preferably, the wastewater inlet pipe end wall is provided with a docking block, and the inner wall of the annular groove is provided with a docking groove for inserting the docking block. The docking groove is used to drive the scraper to rotate during the process of the docking block being inserted into the docking groove and the scraper sliding along the height direction of the filter cartridge.

[0014] By adopting the above technical solution, the setting of the docking groove enables the scraper to slide along the height direction of the filter cartridge while driving the scraper to rotate. Therefore, when the central column is inserted into the wastewater inlet pipe, the central column will rotate and insert into the wastewater inlet pipe at the same time, thus optimizing the unblocking effect of the wastewater inlet pipe.

[0015] Preferably, a water cavity is formed on the upper surface of the central column along its height direction, and a filter screen is provided on the upper surface of the central column at the opening of the water cavity; a micro water pump is also provided inside the water cavity, and the outlet of the micro water pump is connected to a water pipe and faces the filter screen.

[0016] By adopting the above technical solution, some of the wastewater entering the filter cartridge through the wastewater inlet pipe will fall directly onto the scraper, and some wastewater can flow into the water chamber after being filtered by the filter screen. When the water chamber is full, the water flow removed from the water chamber can clean and rinse the filter screen, so that the impurities on the surface of the central column can be washed to the surface of the ring plate under the action of the flowing water, further reducing the amount of impurities on the surface of the central column. In addition, a micro water pump can be used to extract some water from the water chamber and spray it onto the filter screen to rinse the impurities on the surface of the filter screen. Furthermore, after the central column is inserted into the wastewater inlet pipe, a micro water pump can also be used to extract water from the water chamber and spray it out of the water chamber, so that the water flow output from the water chamber can wash the inner wall of the wastewater inlet pipe, reducing the amount of impurities on the inner wall of the wastewater inlet pipe.

[0017] Preferably, a baffle is provided along the circumference of the edge of the ring plate away from the central column. The baffle is inclined and the end of the baffle away from the ring plate abuts against the inner wall of the filter cartridge.

[0018] By adopting the above technical solution, the baffle can enhance the scraping force on the inner wall of the filter cartridge, and its inclined structure can guide the scraped debris to the junction of the baffle and the ring plate, so as to receive the debris and allow most of the debris to be scraped to the outside of the box.

[0019] Preferably, one end of the baffle near the ring plate is rotatably connected to the edge of the ring plate, and a torsion spring is provided at the rotatable connection between the baffle and the ring plate to limit the tilt angle of the baffle relative to the ring plate. When the torsion spring is not deformed, the end of the baffle away from the ring plate tilts downward, and the tilt direction of the baffle is parallel to the tilt direction of the ring plate.

[0020] By adopting the above technical solution, when the scraper is inside the filter cylinder, the side of the baffle away from the ring plate tilts upward under the limiting action of the filter cylinder. At this time, the torsion spring is in a deformed state, and the elastic force of the torsion spring is used to achieve the contact relationship between the baffle and the inner wall of the filter cylinder. When the scraper moves upward to the cover plate under the drive of the lifting component, that is, when the ring plate moves above the filter cylinder, the inner wall of the filter cylinder releases the limiting contact with the baffle. The baffle tilts downward under the elastic force of the torsion spring so as to guide the debris on the ring plate and facilitate the debris on the ring plate to detach from the ring plate and the baffle.

[0021] Preferably, the wastewater inlet pipe is equipped with an inlet valve for controlling the connection between the wastewater inlet pipe and the inside of the tank. A water level detection module is installed on the top wall inside the tank. The water level detection module is electrically connected to a controller. The lifting component and the inlet valve are controlled by the controller. The water level detection module is used to detect the water level inside and outside the filter cartridge. The controller is used to obtain the water level detected by the water level detection module and control the opening and closing of the lifting component and the inlet valve based on the water level difference inside and outside the filter cartridge.

[0022] By adopting the above technical solution, the water level detection module and controller are set up to realize the automatic opening and closing control of the lifting component. Specifically, when the water level inside the filter cartridge is higher than the water level outside the filter cartridge, it can be assumed that the accumulation of impurities inside the filter cartridge causes the filter cartridge mesh to become clogged, which in turn obstructs the water flow through the filter cartridge and makes the water flow slow. At this time, the lifting component can be started by controlling it to clean the filter cartridge and discharge the impurities inside the filter cartridge.

[0023] Preferably, the cleaning mechanism further includes an annular foam plate disposed inside the housing and located on the periphery of the filter cartridge, which is slidably connected along the height direction of the filter cartridge. The inner sidewall of the annular foam plate is provided with bristles along its circumference, and the bristles are used to adhere to the outer peripheral wall of the filter cartridge when the annular foam plate moves upward.

[0024] By adopting the above technical solution, the annular foam board will move upward as the water level in the tank rises. When the annular foam board moves upward to the height at which the bristles adhere to the outer peripheral wall of the filter cartridge, the bristles adhere to the outer peripheral wall of the filter cartridge, thereby utilizing the rise in water level and the bristles to scrape the outer peripheral wall of the filter cartridge, thereby clearing the filter cartridge mesh.

[0025] In summary, this application includes at least one of the following beneficial technical effects: 1. Filtration is used instead of traditional sedimentation to improve the recycling efficiency of concrete wastewater. In addition, a cleaning mechanism is added to clean and unclog the filter cartridge to ensure the continuous filtration effect of the filter cartridge on the wastewater and reduce the situation where the filter cartridge mesh is blocked and affects the water flow speed. 2. The cleaning unit can scrape and unclog the filter cartridge while regularly removing debris trapped inside. In addition, it can also unclog the inside of the wastewater inlet pipe, reducing the amount of debris trapped inside. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of a durable concrete wastewater recycling device disclosed in an embodiment of this application.

[0027] Figure 2 yes Figure 1 Sectional view along the AA direction.

[0028] Figure 3 This is a schematic diagram illustrating the docking groove structure of the inner wall of the annular groove in an embodiment of this application.

[0029] Explanation of reference numerals in the attached drawings: 1. Box body; 11. Wastewater inlet pipe; 111. Inlet valve; 112. Connecting block; 12. Outlet pipe; 13. Guide rod; 14. Impurity removal port; 141. Cover plate; 2. Filter cartridge; 3. Cleaning mechanism; 31. Scraper; 311. Base plate; 3111. Water chamber; 3112. Miniature water pump; 3113. Filter screen; 312. Central column; 313. Ring plate; 314. Ring groove; 3141. Connecting groove; 315. Transition plate; 316. Baffle; 32. Lifting component; 33. Annular foam board; 331. Brush bristles; 34. Controller; 35. Water level detection module; 351. First water level sensor; 352. Second water level sensor. Detailed Implementation

[0030] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0031] This application discloses a device for recycling and reusing wastewater from durable concrete. (Refer to...) Figure 1 and Figure 2 The durable concrete wastewater recycling device includes a sealed housing 1. A wastewater inlet pipe 11 is connected to the top of the housing 1, and an inlet valve 111 is installed on the wastewater inlet pipe 11 to control whether the wastewater inlet pipe 11 is connected to the housing 1. An outlet pipe 12 is connected to the bottom of the housing 1, and a valve is installed on the outlet pipe 12 to control whether the outlet pipe 12 is connected to the housing 1. A filter cartridge 2 with a mesh structure is fixedly connected vertically inside the housing 1. Wastewater entering the housing 1 through the wastewater inlet pipe 11 enters the filter cartridge 2. The filtered water passes through the filter cartridge 2 and flows to the outlet pipe 12. A cleaning mechanism 3 is also provided inside the housing 1 to unclog the mesh of the filter cartridge 2.

[0032] Reference Figure 1 and Figure 2 The cleaning mechanism 3 includes an annular foam board 33, a scraper 31, and a lifting component 32. The annular foam board 33 is located around the filter cartridge 2 and is inserted through a guide rod 13 inside the housing 1. The guide rod 13 is set along the height direction of the housing 1. Brush bristles 331 are fixedly bonded to the inner side wall of the annular foam board 33 along its circumference. When the water level inside the housing 1 and around the filter cartridge 2 rises, the annular foam board 33 will float up and approach the filter cartridge 2. When the annular foam board 33 moves up to be fitted around the filter cartridge 2, the brush bristles 331 adhere to the outer peripheral wall of the filter cartridge 2. The up-and-down movement of the annular foam board 33 and the contact of the brush bristles 331 with the filter cartridge 2 will scrape the outer peripheral wall of the filter cartridge 2, thereby clearing the filter cartridge 2.

[0033] Reference Figure 1 and Figure 2The scraper 31 is inserted inside the filter cartridge 2. The lifting component 32 is used to drive the scraper 31 to slide back and forth along the height direction of the filter cartridge 2. Specifically, the lifting component 32 can be a hydraulic cylinder. The driving end of the lifting component 32 passes through the bottom of the housing 1 and is fixedly connected to the scraper 31. The lifting component 32 is electrically connected to a controller 34, and the controller 34 is electrically connected to a water level detection module 35. The water inlet valve 111 is electrically connected to the controller 34. The water level detection module 35 includes a first water level sensor 351 disposed on the top wall inside the housing 1, and a second water level sensor 352 disposed on the lower end wall of the wastewater inlet pipe 11. The first water level sensor 351 is located outside the filter cartridge 2 and is used to detect the water level height inside the housing 1 outside the filter cartridge 2. The second water level sensor 352 is used to detect the water level height inside the filter cartridge 2. The controller 34 is used to receive the water level height data detected by the first water level sensor 351 and the second water level sensor 352, and calculate the difference to obtain the water level difference inside and outside the filter cartridge 2. When the water level height detected by the second water level sensor 352 is greater than the water level height detected by the first water level sensor 351, and the water level difference is greater than a preset difference value, the controller 34 will close the inlet valve 111 and start the lifting component 32.

[0034] Reference Figure 2 The scraper 31 has a cross-section that is high in the middle and low at both ends in the height direction. Specifically, the scraper 31 includes a base plate 311, a central column 312 integrally formed on the upper surface of the base plate 311 and located at the center of the base plate 311, and an annular plate 313 integrally formed on the upper surface of the base plate 311 and located around the central column 312. An annular groove 314 is formed on the upper surface of the base plate 311 and located between the central column 312 and the annular plate 313. An annular transition plate 315 is inserted into the annular groove 314. The transition plate 315 slides along the depth direction of the annular groove 314 and is connected to the inner wall of the annular groove 314. A spring is connected between the transition plate 315 and the base plate 311. When the spring is not deformed, the top of the transition plate 315 is higher than the surface of the annular plate 313.

[0035] Reference Figure 2 and Figure 3A water cavity 3111 is formed on the upper surface of the central column 312 along its height direction. A filter screen 3113 is fixedly connected to the upper surface of the central column 312 at the opening of the water cavity 3111 to cover the water cavity 3111. A micro water pump 3112 is installed inside the water cavity 3111. The central column 312 is located directly below the inlet of the wastewater inlet pipe 11, and the annular groove 314 is located directly below the wall of the wastewater inlet pipe 11. The end wall of the wastewater inlet pipe 11 is provided with a connecting block 112, and the inner wall of the annular groove 314 is provided with a connecting groove 3141 for the connecting block 112 to be inserted. When the lifting component 32 drives the scraper 31 to move upward and approach the inlet of the wastewater inlet pipe 11, the lower end of the wastewater inlet pipe 11 is inserted into the annular groove 314, the connecting block 112 is inserted into the connecting groove 3141, and the central column 312 is inserted into the inlet of the wastewater inlet pipe 11. At this time, as the scraper 31 continues to move upward, the connecting block 112 drives the entire base plate 311 to rotate under the guidance of the connecting groove 3141, so that the central column 312 rotates relative to the wastewater inlet pipe 11 during the process of being inserted into the wastewater inlet pipe 11, thereby optimizing the unblocking effect of the wastewater inlet pipe 11.

[0036] Reference Figure 2 A cleaning port 14 is provided on the top of the housing 1 and directly above the ring plate 313. A ring-shaped cover plate 141 for opening and closing the cleaning port 14 is detachably connected to the cleaning port 14. When the ring plate 313 is raised and lowered by the lifting member 32, the cleaning port 14 is located on the moving path of the ring plate 313. A plurality of baffles 316 are provided along the circumference of the ring plate 313 at the edge away from the central column 312. One end of the baffle 316 is rotatably connected to the side wall at the edge of the ring plate 313, and a torsion spring is also sleeved on the rotation center of the baffle 316 relative to the ring plate 313. When the scraper 31 is inserted into the filter cylinder 2, the baffle 316 is limited and resisted by the inner wall of the filter cylinder 2 and tilts upward. At this time, the torsion spring is in a deformed state. When the ring plate 313 passes through the impurity removal port 14, the baffle 316 is released from the contact with the inner wall of the filter cylinder 2. At this time, the torsion spring drives the baffle 316 to reset, so that the end of the baffle 316 away from the ring plate 313 rotates downward and tilts to a state parallel to the tilting direction of the ring plate 313, which facilitates the removal of impurities from the surface of the baffle 316 and the ring plate 313.

[0037] The implementation principle of the durable concrete wastewater recycling device in this application embodiment is as follows: Wastewater is injected into the tank 1 through the wastewater inlet pipe 11, and filtered through the filter cartridge 2. The filtered clean water passes through the filter cartridge 2 and flows to the outlet pipe 12. The filtered impurities are retained in the filter cartridge 2. Some wastewater falls directly onto the scraper 31 after entering the filter cartridge 2, and is filtered through the filter screen at the top of the central column 312 so that the filtered inlet water is stored in the water chamber 3111. When the water chamber 3111 is full, the overflowing clean water can wash away the debris on the surface of the filter screen, so that the debris moves to the surface of the ring plate 313. When the lifting component 32 drives the scraper 31 to move upward under the control of the controller 34, the central column 312 is inserted into the wastewater inlet pipe 11 to unclog the wastewater inlet pipe 11. At this time, the ring plate 313 passes through the impurity removal port 14 and moves to the outside of the box 1 so that the operator can remove the debris on the surface of the ring plate 313 and clean and unclog the filter cartridge 2.

[0038] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A durable concrete wastewater recycling device, comprising a housing (1), wherein the housing (1) is connected to a wastewater inlet pipe (11) and an outlet pipe (12); characterized in that: The housing (1) is equipped with a filter cartridge (2), which is located between the wastewater inlet pipe (11) and the outlet pipe (12). The wastewater entering the housing (1) through the wastewater inlet pipe (11) is filtered by the filter cartridge (2) and then flows to the outlet pipe (12). The housing (1) is also equipped with a cleaning mechanism (3), which is used to unclog the mesh of the filter cartridge (2). The cleaning mechanism (3) includes a scraper (31) and a lifting component (32). The scraper (31) is inserted inside the filter cartridge (2), and the peripheral wall of the scraper (31) is attached to the inner wall of the filter cartridge (2). The lifting component (32) is used to drive the scraper (31) to slide back and forth along the height direction of the filter cartridge (2). The scraper (31) includes a base plate (311), a central column (312) and an annular plate (313) disposed on the base plate (311). The annular plate (313) is located around the central column (312), and an annular groove (314) is reserved between the annular plate (313) and the central column (312). A transition plate (315) is slidably connected to the inner wall of the annular groove (314). When the central column (312) slides along the height direction of the filter cylinder (2) under the drive of the lifting component (32), the inlet of the wastewater inlet pipe (11) is located on the moving path of the central column (312). The annular groove (314) is used for the insertion of the end of the wastewater inlet pipe (11). The wastewater inlet pipe (11) is provided with a docking block (112) on its end wall, and the inner wall of the annular groove (314) is provided with a docking groove (3141) for the docking block (112) to be inserted into. The docking groove (3141) is used to drive the scraper (31) to rotate during the process of the docking block (112) being inserted into the docking groove (3141) and the scraper (31) sliding along the height direction of the filter cylinder (2). A water cavity (3111) is provided on the upper surface of the central column (312) along its height direction. A filter screen (3113) is provided on the upper surface of the central column (312) and at the opening of the water cavity (3111). A micro water pump (3112) is also provided inside the water cavity (3111). The outlet of the micro water pump (3112) is connected to a water pipe and faces the filter screen (3113).

2. The durable concrete wastewater recycling device according to claim 1, characterized in that: The side wall of the housing (1) is detachably covered with a cover plate (141), which is located at the end of the filter cylinder (2) and on the sliding path of the scraper (31) when it slides along the height direction of the filter cylinder (2).

3. The durable concrete wastewater recycling device according to claim 2, characterized in that: The cross-section of the central column (312) in the height direction is high in the middle and low at both ends, and the ring plate (313) is inclined downward on the side away from the central column (312).

4. The durable concrete wastewater recycling device according to claim 2, characterized in that: A baffle (316) is provided along the circumference of the edge of the ring plate (313) away from the central column (312). The baffle (316) is inclined and one end of the baffle (316) away from the ring plate (313) abuts against the inner wall of the filter cylinder (2).

5. The durable concrete wastewater recycling device according to claim 4, characterized in that: One end of the baffle (316) near the ring plate (313) is rotatably connected to the edge of the ring plate (313), and a torsion spring is provided at the position where the baffle (316) and the ring plate (313) are rotatably connected to limit the tilt angle of the baffle (316) relative to the ring plate (313). When the torsion spring is not deformed, the end of the baffle (316) away from the ring plate (313) tilts downward, and the tilt direction of the baffle (316) is parallel to the tilt direction of the ring plate (313).

6. The durable concrete wastewater recycling device according to claim 1, characterized in that: The wastewater inlet pipe (11) is equipped with an inlet valve (111) for controlling the connection between the wastewater inlet pipe (11) and the inside of the tank (1). The top wall inside the tank (1) is equipped with a water level detection module (35). The water level detection module (35) is electrically connected to a controller (34). The lifting component (32) and the inlet valve (111) are controlled by the controller (34). The water level detection module (35) is used to detect the water level inside the filter cartridge (2) and the water level outside the filter cartridge (2). The controller (34) is used to obtain the water level detected by the water level detection module (35) and control the opening and closing of the lifting component (32) and the inlet valve (111) based on the water level difference inside and outside the filter cartridge (2).

7. The durable concrete wastewater recycling device according to claim 1, characterized in that: The cleaning mechanism (3) further includes an annular foam plate (33) disposed inside the housing (1) and located on the periphery of the filter cartridge (2) and slidably connected along the height direction of the filter cartridge (2). The inner sidewall of the annular foam plate (33) is provided with bristles (331) along its circumference. The bristles (331) are used to adhere to the outer peripheral wall of the filter cartridge (2) when the annular foam plate (33) moves upward.

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