UF ultrafiltration system based on ceramic membrane

Abstract

The utility model relates to the technical field of filtration, in particular to a UF (ultra-filtration) system based on ceramic membranes, which comprises a sedimentation tank, a sedimentation component is arranged in the sedimentation tank, a suction component is arranged on one side of the sedimentation tank, two filter cartridges are detachably mounted on the suction component, the ceramic membranes are fixedly arranged in the filter cartridges, and the ceramic membranes are fixedly arranged in the filter cartridges. The UF ultrafiltration system has the beneficial effects that the UF ultrafiltration system based on the ceramic membrane does not have the problem of wire breakage, and can continuously provide high-quality produced water for a long period, so that a better guarantee can be provided for stable operation of subsequent reverse osmosis, and the ceramic membrane has the characteristics of good chemical stability, acid resistance, alkali resistance, organic solvent resistance, high quality and the like. The filter cartridges and the ceramic membranes can be conveniently replaced, and the two groups of the filter cartridges and the ceramic membranes can be alternately used, that is, in the replacement process of the filter cartridges and the ceramic membranes, normal water production operation is not influenced, and the device is suitable for popularization and application.

Description

Technical Field

[0001] The utility model relates to the technical field of filtration, in particular to a UF ultrafiltration system based on a ceramic membrane. Background Art

[0002] The UF ultrafiltration system is a physical filtration technology that uses ultra-micropore filter membranes to filter out impurities, microorganisms, bacteria and other harmful substances in the water while retaining beneficial minerals and nutrients in the water.

[0003] At present, the membrane group of the UF ultrafiltration system used in chemical water production equipment generally uses hollow fiber PVDF membrane (organic membrane), which has low tensile strength and generally has more or less broken wire problems after running for about 1-3 years. The water quality of the produced water will drop significantly after the wire breaks. If it is not handled in time, it will endanger the normal operation of the subsequent reverse osmosis. For example, too much repair will reduce the water production of the membrane. Pollutants will enter the reverse osmosis from the broken wire, which may lead to frequent cleaning of the reverse osmosis or even premature scrapping.

[0004] Therefore, it is necessary to invent a UF ultrafiltration system based on ceramic membrane. Utility Model Content

[0005] To this end, the utility model provides a UF ultrafiltration system based on ceramic membranes to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a UF ultrafiltration system based on ceramic membrane, comprising a sedimentation tank, a sedimentation component is arranged in the sedimentation tank, a suction component is arranged on one side of the sedimentation tank, the suction component is detachably installed with two filter cartridges, and ceramic membranes are fixedly arranged inside the filter cartridges.

[0007] Preferably, the sedimentation component comprises a flocculant storage tank, the bottom of which is fixedly connected to a flocculant addition pipe, one end of which is away from the flocculant storage tank and extends above the sedimentation tank, and a stop valve is provided on the flocculant addition pipe body.

[0008] Preferably, the sedimentation assembly also includes a plurality of brackets, the bottom ends of several of the brackets are vertically fixed to the bottom of the inner wall of the sedimentation tank, a top plate is horizontally fixed to the top of several of the brackets, a reducer is fixed to the top center of the top plate, a stirring motor is fixed to the top of the reducer, the stirring motor output shaft is fixedly connected to the reducer input shaft, the bottom end of the reducer output shaft vertically passes through the top plate, and a stirring paddle is fixed to the bottom end of the reducer output shaft, and the stirring paddle is located in the sedimentation tank.

[0009] Preferably, the suction assembly comprises a water pump, the water pump is fixedly arranged at one side of the sedimentation tank, an input end of the water pump is fixedly connected to a water pumping pipe, and an end of the water pumping pipe away from the water pump extends to the lower part of the sedimentation tank.

[0010] Preferably, a filter cover is fixed to one end of the water suction pipe away from the water pump, the filter cover is made of stainless steel, and a plurality of filter holes are provided at the bottom of the filter cover.

[0011] Preferably, the water pump output end pipeline is connected to a tee pipe, the tee pipe is connected to two water inlet pipes, the two water inlet pipe bodies are fixedly provided with water inlet valves, and the bottom ends of the two filter cartridges are flange-connected to the top ends of the two water inlet pipes respectively.

[0012] Preferably, a support frame is placed on one side of the water pump, and the two water inlet pipes are fixed on the support frame.

[0013] Preferably, the top ends of the two filter cartridges are flange-connected with water outlet pipes, the water outlet pipe bodies are fixedly provided with water outlet valves, and the top ends of the two water outlet pipes are fixedly connected with water delivery pipes.

[0014] The beneficial effects of the utility model are as follows: through the coordinated use of the settling tank, settling component, suction component, filter cartridge and ceramic membrane, the UF ultrafiltration system based on the ceramic membrane does not have the problem of broken wires, can continuously provide high-quality water production for a long period of time, thereby providing better guarantee for the stable operation of subsequent reverse osmosis, and the ceramic membrane has good chemical stability, is resistant to acids, alkalis and organic solvents, and can facilitate the replacement of the filter cartridge and the ceramic membrane, and the two sets of filter cartridges and ceramic membranes can be used alternately, that is, in the process of replacing the filter cartridge and the ceramic membrane, it does not affect the normal water production operation, and is suitable for promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A structural cross-sectional view provided by the utility model;

[0016] Figure 2 for Figure 1 A magnified view of the structure at A;

[0017] Figure 3 A schematic diagram of the connection structure between the filter cartridge, the water inlet pipe and the water outlet pipe flange provided by the utility model;

[0018] Figure 4 This is a front view of the structure provided by the utility model.

[0019] In the figure: 1. sedimentation tank; 2. filter cartridge; 3. ceramic membrane; 4. flocculant storage tank; 5. flocculant addition tube; 6. stop valve; 7. bracket; 8. top plate; 9. reducer; 10. stirring motor; 11. stirring paddle; 12. water pump; 13. suction pipe; 14. filter cover; 15. filter hole; 16. three-way pipe; 17. water inlet pipe; 18. water inlet valve; 19. support frame; 20. water outlet pipe; 21. water outlet valve; 22. water supply pipe. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0021] Please refer to the attached Figure 1-4 The utility model provides a UF ultrafiltration system based on ceramic membrane, comprising a sedimentation tank 1, a sedimentation component is arranged in the sedimentation tank 1, a suction component is arranged on one side of the sedimentation tank 1, and two filter cartridges 2 are detachably installed in the suction component, and ceramic membranes 3 are fixedly arranged inside the filter cartridges 2;

[0022] The sedimentation component includes a flocculant storage tank 4, which is used to store the flocculant required for sedimentation treatment of impurities in water. The bottom of the flocculant storage tank 4 is fixedly connected to a flocculant addition pipe 5. The end of the flocculant addition pipe 5 away from the flocculant storage tank 4 extends above the sedimentation tank 1. The body of the flocculant addition pipe 5 is provided with a stop valve 6. Specifically, when the stop valve 6 is opened, the flocculant stored in the flocculant storage tank 4 can be added to the sedimentation tank 1 through the flocculant addition pipe 5.

[0023] The sedimentation assembly also includes a plurality of brackets 7, the bottom ends of the plurality of brackets 7 are vertically fixed to the bottom of the inner wall of the sedimentation tank 1, a top plate 8 is horizontally fixed to the top of the plurality of brackets 7, and a reducer 9 is fixed to the top center of the top plate 8. It should be noted that the reducer is generally used for low-speed and high-torque transmission equipment, and the power of the electric motor, internal combustion engine or other high-speed operation is meshed with the large gear on the output shaft through the gear with a small number of teeth on the input shaft of the reducer to achieve the purpose of deceleration. A stirring motor 10 is fixed to the top of the reducer 9, and the output shaft of the stirring motor 10 is fixedly connected to the input shaft of the reducer 9. The bottom end of the output shaft of the reducer 9 vertically passes through the top plate 8, and a stirring paddle 11 is fixed to the bottom end of the output shaft of the reducer 9. The stirring paddle 11 is located in the sedimentation tank 1. Specifically, under the deceleration effect of the reducer 9, when the stirring motor 10 is running, the stirring paddle 11 can be driven to rotate slowly in the sedimentation tank 1, so that the flocculant added to the sedimentation tank 1 and the water required for ultrafiltration can be stirred and mixed, which is beneficial to the precipitation efficiency of impurities in the water;

[0024] The suction assembly includes a water pump 12, which is fixedly arranged at one side of the sedimentation tank 1. The input end of the water pump 12 is fixedly connected with a water suction pipe 13. The end of the water suction pipe 13 away from the water pump 12 extends to the lower part of the sedimentation tank 1. The end of the water suction pipe 13 away from the water pump 12 is fixed with a filter cover 14. The filter cover 14 is made of stainless steel. A plurality of filter holes 15 are provided at the bottom of the filter cover 14. Therefore, the filter cover 14 with the filter holes 15 at the bottom can effectively filter the sediment and other impurities in the sedimentation tank 1. When the water pump 12 is running, the precipitated water in the sedimentation tank 1 can be pumped out through the water suction pipe 13. The output end of the water pump 12 is connected with a three-way pipe 16. The three-way pipe 16 is connected with two water inlet pipes 17. The two water inlet pipes 17 are fixedly provided with water inlet valves 18 and two filter cartridges 2. The bottom ends are flange-connected to the tops of two water inlet pipes 17, so the bottom end of the filter cartridge 2 is detachably connected to the water inlet pipe 17. Specifically, when the water pump 12 is running, the water after the suction precipitation treatment can be pumped into the filter cartridge 2 through the water inlet pipe 17, so that the ceramic membrane 3 in the filter cartridge 2 is ultrafiltered, and there is no problem of wire breakage. It can continuously provide high-quality water production for a long period of time, thereby providing better protection for the stable operation of subsequent reverse osmosis. The ceramic membrane has good chemical stability and is resistant to acid, alkali and organic solvents. The user can control the water to enter different filter cartridges 2 by controlling the switch water inlet valve 18, that is, the two sets of filter cartridges 2 and ceramic membranes 3 can be used alternately, that is, in the process of replacing the filter cartridge 2 and the ceramic membrane 3, the normal water production operation is not affected.

[0025] A support frame 19 is placed on one side of the water pump 12, and two water inlet pipes 17 are fixed on the support frame 19, which can support the two groups of filter cartridges 2 and ceramic membranes 3. The top ends of the two filter cartridges 2 are flange-connected with outlet pipes 20, that is, the top ends of the filter cartridges 2 and the outlet pipes 20 are detachably connected, and the pipe bodies of the outlet pipes 20 are fixedly provided with outlet valves 21. The top ends of the two outlet pipes 20 are fixedly connected with water pipes 22. Specifically, water ultrafiltrated by the ceramic membrane 3 can be discharged into the water pipes 22 through the outlet pipes 20, and then transported through the water pipes 22. The bottom end of the filter cartridge 2 is detachably connected to the water inlet pipe 17, and the top end of the filter cartridge 2 is detachably connected to the outlet pipe 20, which can facilitate personnel to replace the filter cartridge 2 and the ceramic membrane 3.

[0026] The above is only a preferred embodiment of the utility model. Any person skilled in the art can modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A UF ​​ultrafiltration system based on a ceramic membrane, comprising a sedimentation tank (1), characterized in that: A sedimentation component is arranged in the sedimentation tank (1), a suction component is arranged on one side of the sedimentation tank (1), the suction component is detachably mounted with two filter cartridges (2), and a ceramic membrane (3) is fixedly arranged inside each of the filter cartridges (2).

2. A UF ​​ultrafiltration system based on ceramic membrane according to claim 1, characterized in that: The sedimentation assembly comprises a flocculant storage tank (4), the bottom of which is fixedly connected to a flocculant addition pipe (5), one end of the flocculant addition pipe (5) away from the flocculant storage tank (4) extends above the sedimentation tank (1), and the body of the flocculant addition pipe (5) is provided with a stop valve (6).

3. A UF ​​ultrafiltration system based on ceramic membrane according to claim 2, characterized in that: The sedimentation assembly further comprises a plurality of brackets (7), the bottom ends of the plurality of brackets (7) are vertically fixed to the bottom of the inner wall of the sedimentation tank (1), a top plate (8) is horizontally fixed to the top of the plurality of brackets (7), a reducer (9) is fixed at the top center of the top plate (8), a stirring motor (10) is fixed at the top of the reducer (9), an output shaft of the stirring motor (10) is fixedly connected to an input shaft of the reducer (9), the bottom end of the output shaft of the reducer (9) vertically passes through the top plate (8), and a stirring paddle (11) is fixed to the bottom end of the output shaft of the reducer (9), and the stirring paddle (11) is located in the sedimentation tank (1).

4. A UF ​​ultrafiltration system based on ceramic membrane according to claim 1, characterized in that: The suction assembly comprises a water pump (12), the water pump (12) being fixedly arranged on one side of the sedimentation tank (1), the input end of the water pump (12) being fixedly connected to a water suction pipe (13), and one end of the water suction pipe (13) away from the water pump (12) extending to the lower part of the sedimentation tank (1).

5. A UF ​​ultrafiltration system based on ceramic membrane according to claim 4, characterized in that: A filter cover (14) is fixed to one end of the water suction pipe (13) away from the water pump (12); the filter cover (14) is made of stainless steel, and a plurality of filter holes (15) are provided at the bottom of the filter cover (14).

6. A UF ​​ultrafiltration system based on ceramic membrane according to claim 4, characterized in that: The water pump (12) output end pipeline is connected to a three-way pipe (16), the three-way pipe (16) is connected to two water inlet pipes (17), the two water inlet pipes (17) are both fixedly provided with water inlet valves (18), and the bottom ends of the two filter cartridges (2) are respectively flange-connected to the top ends of the two water inlet pipes (17).

7. A UF ​​ultrafiltration system based on ceramic membrane according to claim 6, characterized in that: A support frame (19) is placed on one side of the water pump (12), and the two water inlet pipes (17) are both fixed on the support frame (19).

8. A UF ​​ultrafiltration system based on ceramic membrane according to claim 6, characterized in that: The top ends of the two filter cartridges (2) are both flange-connected with a water outlet pipe (20), the pipe bodies of the water outlet pipes (20) are both fixedly provided with a water outlet valve (21), and the top ends of the two water outlet pipes (20) are fixedly connected with a water delivery pipe (22).

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