A silicon carbide ceramic membrane

Abstract

The utility model relates to ceramic membrane technical field, concretely relates to a silicon carbide ceramic membrane, including the tubular body, the tubular body top fixed mounting has the top plate, the tubular body bottom fixed mounting has the bottom plate, ceramic membrane body, the tubular body is from top to bottom fixed mounting has first limit board and second limit board in proper order, and ceramic membrane body is installed between first limit board, second limit board, filter unit, filter unit fixed mounting is between the bottom plate, second limit board, the bottom surface fixed mounting of bottom plate has the water inlet pipe, the top surface fixed mounting of top plate has the water outlet pipe, and filter unit can filter the larger impurity in sewage, the utility model can filter the larger impurity, rubbish that the sewage carries, and further reduce the possibility that ceramic membrane is jammed.

Description

Technical Field

[0001] This utility model relates to the field of ceramic membrane technology, specifically to a silicon carbide ceramic membrane. Background Technology

[0002] Ceramic membranes are asymmetric membranes formed by inorganic ceramic materials through a special process. Under pressure, the feed liquid flows inside or outside the membrane tube. Small molecules or liquids permeate through the membrane, while large molecules or solids are retained by the membrane, thereby achieving the purposes of separation, concentration, purification, and environmental protection.

[0003] Currently, ceramic membranes are commonly used in wastewater treatment equipment, which can efficiently remove trace pollutants that are difficult to remove by conventional processes, enabling the effluent quality of wastewater treatment plants to meet the surface water environmental quality standards.

[0004] However, when treating wastewater, existing ceramic membranes are easily clogged by larger impurities and debris in the wastewater, affecting the normal operation of the overall equipment and requiring frequent replacement of the ceramic membranes. Summary of the Invention

[0005] To address the aforementioned shortcomings in the existing technology, this utility model provides a silicon carbide ceramic membrane to solve the problem that when treating wastewater, large impurities and debris in the wastewater easily clog the ceramic membrane, affecting the normal operation of the overall equipment and requiring frequent replacement of the ceramic membrane.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: A silicon carbide ceramic membrane includes a tube body with a top plate fixedly installed at the top and a bottom plate fixedly installed at the bottom; a ceramic membrane body with a first limiting plate and a second limiting plate fixedly installed sequentially from top to bottom inside the tube body, the ceramic membrane body being installed between the first limiting plate and the second limiting plate; a filter unit fixedly installed between the bottom plate and the second limiting plate; an inlet pipe fixedly installed on the bottom surface of the bottom plate and an outlet pipe fixedly installed on the top surface of the top plate; the filter unit is capable of filtering larger impurities in wastewater.

[0007] In this way, sewage enters the pipe body from the inlet pipe. Under the suction of the external pump, the sewage flows towards the top of the pipe body. After flowing a certain distance, the sewage comes into contact with the filter unit. During the process of passing through the filter unit, the filter unit filters out larger impurities and garbage carried in the sewage. After the wastewater is filtered to remove larger impurities and debris, it continues to flow towards the top of the pipe. After flowing a certain distance, it comes into contact with the ceramic membrane body. The ceramic membrane body filters and purifies the wastewater, completing the wastewater treatment. The treated reclaimed water is discharged through the outlet pipe. This structure can filter out larger impurities and debris carried in the wastewater, thereby reducing the possibility of the ceramic membrane body being clogged.

[0008] Furthermore, the surface of the first limiting plate has through holes, the diameter of which is smaller than the diameter of the cross-section of the ceramic membrane body. The surface of the second limiting plate has filter grooves evenly arranged in a circular array in the area corresponding to the ceramic membrane body. A limiting tube is fixedly installed between the first and second limiting plates, and the ceramic membrane body is placed inside the limiting tube. With this structure, the ceramic membrane body can be limited, ensuring the stability of the ceramic membrane body in the process of treating wastewater.

[0009] Furthermore, the filter unit includes a filter plate fixedly installed between the base plate and the second limiting plate. The filter plate is in the shape of a hollow frustum, and the surface of the filter plate is uniformly provided with filter holes in a circumferential array. A rotating shaft is rotatably mounted at the center of the filter plate. Guide plates are uniformly fixedly connected to the end of the rotating shaft. A stirring rod is uniformly fixedly connected to the outside of the rotating shaft. The end of the stirring rod is bent. The angle of inclination of the stirring rod to the horizontal plane is greater than the angle of inclination of the filter plate to the horizontal plane.

[0010] In this way, after the sewage enters the pipe body from the inlet pipe, it flows towards the top of the pipe body under the suction of the external pump body. After flowing a certain distance, the sewage comes into contact with the surface of the filter plate. Larger impurities and garbage carried by the sewage are screened out by the filter holes on the surface of the filter plate. The filter plate is hollow in the shape of a frustum. The screened impurities and garbage flow downward along the surface of the filter plate. During the flow of sewage, the sewage comes into contact with the guide plate. The guide plate is tilted and, after being subjected to the fluid pressure of the sewage, it starts to drive the rotating shaft to rotate. The rotating shaft drives the stirring rod to rotate, stirring the impurities and garbage that have been screened out. This structure can filter out larger impurities and garbage carried in the sewage, while reducing the possibility of the filter plate being blocked.

[0011] Furthermore, a baffle is fixedly installed on the top surface of the second limiting plate. The baffle is circumferential in shape, and the end of the stirring rod faces the collection cavity formed by the baffle and the tube.

[0012] In this way, as larger impurities and garbage carried in the sewage are stirred by the stirring rod, the impurities and garbage flow towards the collection chamber formed by the baffle and the pipe under the guidance of the stirring rod. After the impurities and garbage enter the collection chamber, the baffle blocks the pressure of the fluid on the impurities and garbage. With this structure, the screened impurities and garbage can be collected, while reducing the possibility of impurities and garbage coming into contact with the surface of the filter plate again, thereby reducing the possibility of the filter plate being blocked.

[0013] Furthermore, the surface of the second limiting plate is uniformly provided with an arc-shaped groove corresponding to the area between the limiting tube and the tube body, and a drain pipe is fixedly installed on the outside of the tube body, the drain pipe connecting the cavity between the limiting tube and the tube body.

[0014] In this way, most of the wastewater filtered by the filtration unit enters the interior of the ceramic membrane body, while a small portion enters the cavity between the limiting tube and the pipe body through the arc groove and is discharged through the drain pipe. This structure can alleviate the fluid pressure inside the pipe body and at the same time, it can collect and recycle untreated wastewater.

[0015] Furthermore, the external pipe of the water outlet is connected to the backflushing air tank.

[0016] In this way, after the sewage is treated, the backwash gas tank is turned on, and the high-pressure backwash gas passes through the filter unit, blowing off the impurities and debris attached to the surface of the filter plate. The impurities and debris fall into the collection chamber formed by the baffle and the pipe. This structure can reduce the possibility of impurities and debris clogging the filter plate, and at the same time facilitate the unified recycling and treatment of impurities and debris in the collection chamber. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural schematic diagram of an embodiment of a silicon carbide ceramic membrane according to the present invention; Figure 2 This is a cross-sectional structural schematic diagram of an embodiment of a silicon carbide ceramic membrane according to the present invention; Figure 3 for Figure 2 Schematic diagram of the cross-sectional structure at section AA; Figure 4 for Figure 2 A magnified view of the structure at point B in the middle; Reference numerals in the accompanying drawings: Pipe body 1, top plate 101, bottom plate 102, first limiting plate 103, second limiting plate 104, water inlet pipe 105, water outlet pipe 106; 2. Ceramic membrane body, 201 through hole, 202 filter tank, 203 limiting tube, 204 arc groove, 205 drain pipe; Filter unit 3, filter plate 301, filter hole 302, rotating shaft 303, guide plate 304, stirring rod 305, baffle 306. Detailed Implementation

[0018] To enable those skilled in the art to better understand this utility model, the technical solution of this utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual images. They should not be construed as limiting the scope of this patent. To better illustrate the embodiments of this utility model, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0020] Example: like Figures 1-4 As shown, a silicon carbide ceramic membrane of this utility model includes a tube body 1, with a top plate 101 fixedly installed at the top and a bottom plate 102 fixedly installed at the bottom; a ceramic membrane body 2, with a first limiting plate 103 and a second limiting plate 104 fixedly installed from top to bottom inside the tube body 1, and the ceramic membrane body 2 installed between the first limiting plate 103 and the second limiting plate 104; and a filter unit 3, which is fixedly installed between the bottom plate 102 and the second limiting plate 104. A water inlet pipe 105 is fixedly installed on the bottom surface of the base plate 101, and a water outlet pipe 106 is fixedly installed on the top surface of the top plate 101. The filter unit 3 can filter larger impurities in the sewage.

[0021] In this way, the sewage enters the pipe body 1 from the inlet pipe 105. Under the attraction of the external pump, the sewage flows towards the top of the pipe body 1. After flowing a certain distance, the sewage comes into contact with the filter unit 3. During the process of passing through the filter unit 3, the filter unit 3 filters out larger impurities and garbage carried in the sewage. After the wastewater is filtered to remove larger impurities and debris, it continues to flow toward the top of the pipe 1. After flowing a certain distance, it comes into contact with the ceramic membrane body 2. The ceramic membrane body 2 filters and purifies the wastewater, completing the wastewater treatment. The treated reclaimed water is discharged through the outlet pipe 106. This structure can filter out larger impurities and debris carried in the wastewater, thereby reducing the possibility of the ceramic membrane body 2 being blocked.

[0022] The surface of the first limiting plate 103 has a through hole 201, the diameter of which is smaller than the diameter of the cross section of the ceramic membrane body 2. The surface of the second limiting plate 104 has filter grooves 202 evenly arranged in a circular array corresponding to the area of ​​the ceramic membrane body 2. A limiting tube 203 is fixedly installed between the first limiting plate 103 and the second limiting plate 104. The ceramic membrane body 2 is placed inside the limiting tube 203. With this structure, the ceramic membrane body 2 can be limited, ensuring the stability of the ceramic membrane body 2 in the process of treating sewage.

[0023] The filter unit 3 includes a filter plate 301 fixedly installed between the base plate 102 and the second limiting plate 104. The filter plate 301 is in the shape of a hollow frustum, and the surface of the filter plate 301 is evenly provided with filter holes 302 in a circumferential array. A rotating shaft 303 is rotatably mounted at the center of the filter plate 301. A guide plate 304 is uniformly fixedly connected to the end of the rotating shaft 303. A stirring rod 305 is uniformly fixedly connected to the outside of the rotating shaft 303. The end of the stirring rod 305 is bent. The angle of inclination of the stirring rod 305 with the horizontal plane is greater than the angle of inclination of the filter plate 301 with the horizontal plane.

[0024] In this way, after the sewage enters the pipe body 1 through the inlet pipe 105, it flows towards the top of the pipe body 1 under the attraction of the external pump. After flowing a certain distance, the sewage comes into contact with the surface of the filter plate 301. Larger impurities and garbage carried by the sewage are screened out by the filter holes 302 on the surface of the filter plate 301. The filter plate 301 is in the shape of a hollow frustum. The screened impurities and garbage flow downward along the surface of the filter plate 301. During the flow of sewage, the sewage comes into contact with the guide plate 304. The guide plate 304 is inclined. After being subjected to the fluid pressure of the sewage, the guide plate 304 starts to drive the rotating shaft 303 to rotate. The rotating shaft 303 drives the stirring rod 305 to rotate, stirring the impurities and garbage that are screened out. With this structure, larger impurities and garbage carried in the sewage can be filtered out, while reducing the possibility of the filter plate 301 being blocked.

[0025] A baffle 306 is fixedly installed on the top surface of the second limiting plate 104. The baffle 306 is circumferential in shape, and the end of the stirring rod 305 faces the collection cavity formed by the baffle 306 and the tube 1.

[0026] In this way, as the larger impurities and garbage carried in the sewage are stirred by the stirring rod 305, under the guidance of the stirring rod 305, the impurities and garbage flow to the collection chamber formed by the baffle 306 and the pipe body 1. After the impurities and garbage enter the collection chamber, the baffle 306 blocks the pressure of the fluid on the impurities and garbage. With this structure, the screened impurities and garbage can be collected, while reducing the possibility of impurities and garbage coming into contact with the surface of the filter plate 301 again, thereby reducing the possibility of the filter plate 301 being blocked.

[0027] The surface of the second limiting plate 104 has an arc-shaped groove 204 evenly opened in the area between the limiting tube 203 and the tube body 1. A drain pipe 205 is fixedly installed on the outside of the tube body 1, and the drain pipe 205 connects to the cavity between the limiting tube 203 and the tube body 1.

[0028] In this way, most of the wastewater filtered by the filter unit 3 enters the interior of the ceramic membrane body 2, and a small portion enters the cavity between the limiting tube 203 and the tube body 1 through the arc groove 204, and is discharged through the drain pipe 205. This structure can alleviate the fluid pressure in the tube body 1, and at the same time, it can uniformly recycle untreated wastewater.

[0029] The water outlet pipe 106 is connected to the external pipe of the backflushing air tank.

[0030] In this way, after the sewage is treated, the backwash gas tank is turned on, and the high-pressure backwash gas passes through the filter unit 3, blowing off the impurities and garbage attached to the surface of the filter plate 301. The impurities and garbage fall into the collection chamber formed by the baffle 306 and the pipe 1. This structure can reduce the possibility of impurities and garbage clogging the filter plate 301, and at the same time facilitate the unified recycling and treatment of impurities and garbage in the collection chamber.

[0031] The above are merely embodiments of this utility model. Commonly known structures and characteristics are not described in detail here. Those skilled in the art are aware of all common technical knowledge in the field prior to the application date or priority date, are aware of all existing technologies in that field, and have the ability to apply conventional experimental methods prior to that date. Those skilled in the art can, based on the guidance provided in this application, improve and implement this solution in combination with their own capabilities. Some typical known structures or methods should not be obstacles for those skilled in the art to implement this application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the structure of this utility model. These should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent.

Claims

1. A silicon carbide ceramic membrane, characterized in that, include: The pipe body (1) has a top plate (101) fixedly installed on the top and a bottom plate (102) fixedly installed on the bottom. The ceramic membrane body (2) has a first limiting plate (103) and a second limiting plate (104) fixedly installed from top to bottom inside the tube body (1), and the ceramic membrane body (2) is installed between the first limiting plate (103) and the second limiting plate (104); The filter unit (3) is fixedly installed between the base plate (102) and the second limiting plate (104); The bottom plate (102) is fixedly installed with an inlet pipe (105), the top plate (101) is fixedly installed with an outlet pipe (106), and the filter unit (3) can filter larger impurities in sewage.

2. The silicon carbide ceramic membrane as described in claim 1, characterized in that: The first limiting plate (103) has a through hole (201) on its surface. The diameter of the through hole (201) is smaller than the diameter of the cross section of the ceramic membrane body (2). The second limiting plate (104) has filter grooves (202) evenly arranged in a circular array on its surface corresponding to the area of ​​the ceramic membrane body (2). A limiting tube (203) is fixedly installed between the first limiting plate (103) and the second limiting plate (104). The ceramic membrane body (2) is placed inside the limiting tube (203).

3. The silicon carbide ceramic membrane as described in claim 2, characterized in that: The filter unit (3) includes a filter plate (301) fixedly installed between the base plate (102) and the second limiting plate (104). The filter plate (301) is hollow in the shape of a frustum, and the surface of the filter plate (301) is uniformly provided with filter holes (302) in a circular array. The filter plate (301) is rotatably mounted with a rotating shaft (303) at its center. A guide plate (304) is uniformly fixedly connected to the end of the rotating shaft (303). A stirring rod (305) is uniformly fixedly connected to the outside of the rotating shaft (303). The end of the stirring rod (305) is bent. The angle of inclination of the stirring rod (305) to the horizontal plane is greater than the angle of inclination of the filter plate (301) to the horizontal plane.

4. The silicon carbide ceramic membrane as described in claim 3, characterized in that: A baffle (306) is fixedly installed on the top surface of the second limiting plate (104). The baffle (306) is circumferential in shape, and the end of the stirring rod (305) faces the collection cavity formed by the baffle (306) and the tube (1).

5. The silicon carbide ceramic film as described in claim 4, characterized in that: The surface of the second limiting plate (104) is uniformly provided with an arc-shaped groove (204) corresponding to the area between the limiting tube (203) and the tube body (1). A drain pipe (205) is fixedly installed on the outside of the tube body (1), and the drain pipe (205) connects the cavity between the limiting tube (203) and the tube body (1).

6. The silicon carbide ceramic film as described in claim 5, characterized in that: The outlet pipe (106) is connected to the backflushing gas tank via an external pipe.

Images