TWM621813U - Movable solar water purifying system applying tubular membrane filter device - Google Patents

Abstract

A water purifying system comprises an unpurified solution tank, a purified water tank, a tubular membrane filter device, an ion exchange filter device and an active carbon filter device. The unpurified solution tank has a solution to be purified therein. The tubular membrane filter device connects to the unpurified solution tank. The active carbon filter device and the ion exchange filter device connect between the tubular membrane filter device and the purified water tank. The purified water tank has a purified water therein. The purified water is formed by filtering the solution to be purified through the tubular membrane filter device, the ion exchange filter device and the active carbon filter device.

Description

Mobile solar water purification system using tubular membrane filtration device

The present disclosure relates to a water purification system, in particular, to a mobile solar water purification system using a tubular membrane filtration device.

Water crisis generally refers to the global situation of water resources relative to human needs. The main source of crisis is the lack of available water and water pollution. Therefore, how to find available water resources and solve water pollution is one of the problems that countries need to solve urgently. one.

The prior art is aimed at the problem of water crisis, such as desalination of sea water and filtration of industrial waste water. Seawater is the largest resource on earth, including inexhaustible and inexhaustible water resources. The development and utilization of seawater desalination technology is not only an important task of modern ocean development, but also the future development of new water sources to solve global water problems. One of the important ways of resource crisis.

As for industrial wastewater, in the production process of traditional or technological industries, water source can be said to be the lifeline of factory operation. Compared with the large amount of water demanded, the amount of discharged water after wastewater treatment is also considerable, and in the production process, usually Discharge of organic solvents, whether these solvents flow into rivers or oceans, will endanger human health or affect natural ecology. If part of the wastewater can be recycled in an appropriate way, in addition to providing another stable water supply source, it can also reduce the total amount of water. The amount of wastewater discharged will enable the effective utilization of water resources, and the existing technologies mostly use the membrane method for wastewater treatment. However, the membrane method requires high energy consumption, and if the membrane is fouled by solid particles, it is often necessary to stop the operation of the entire filtration system in order to replace the membrane or other components, which greatly reduces the filtration efficiency and increases the cost.

In view of this, the purpose of this creation is to propose a water purification system of a tubular membrane filtration device using the concept of cross-flow filtration, which can effectively filter for a long time.

According to an embodiment of the present disclosure, a water purification system is provided, which includes a raw solution tank, a water purification tank, a tubular membrane filter device, an ion exchange filter device, and an activated carbon filter device. The stock solution tank has the solution to be filtered therein. The tubular membrane filtration device communicates with the original solution tank. The activated carbon filter device and the ion exchange filter device are communicated between the tubular membrane filter device and the water purification tank. The water purification tank has the purified water formed after the solution to be filtered is filtered by the tubular membrane filter device, the ion exchange filter device and the activated carbon filter device.

In order to have a better understanding of the above-mentioned and other aspects of the present disclosure, the following embodiments are given and described in detail with the accompanying drawings as follows:

The following are some examples to illustrate. It should be noted that this disclosure does not show all possible embodiments, and other implementation aspects not proposed in this disclosure may also be applicable. Furthermore, the size ratios in the drawings are not drawn according to the actual product scale. Therefore, the contents of the description and illustrations are only used to describe the embodiments, rather than to limit the protection scope of the present disclosure. In addition, the descriptions in the embodiments, such as detailed structures, process steps, and material applications, etc., are for illustrative purposes only, and are not intended to limit the scope of protection of the present disclosure. The details of the steps and structures of the embodiments can be changed and modified according to the needs of the actual application process without departing from the spirit and scope of the present disclosure. In the following, the same/similar symbols are used to represent the same/similar elements for description.

Please refer to FIG. 1A and FIG. 1B , which illustrate an external view and a perspective view of a tubular membrane filtration device 110 according to an embodiment, respectively. The tubular membrane filtration device 110 includes an outer sleeve 120 . The outer casing 120 includes a water inlet port 121 , a water outlet port 122 and a side wall water purification outlet 123 . The water inlet port 121 and the water outlet port 122 are respectively located at opposite ends of the outer sleeve 120 . The water purification outlet 123 of the side wall is between the water inlet pipe port 121 and the water outlet pipe port 122 , and is closer to the water inlet pipe port 121 . The outer sleeve 120 may be a metal outer tube or a plastic outer tube made of polyvinyl chloride (PVC) or polypropylene (PP).

As shown in FIG. 1B , the tubular membrane filtration device 110 further includes a tubular membrane 130 . The tubular membrane 130 is disposed within the outer sleeve 120 . The tubular membrane 130 includes a filter membrane layer 131 , an inner layer support tube 132 and an outer layer support tube 133 . The inner layer support tube 132 is sandwiched between the filter membrane layer 131 and the outer layer support tube 133 . The inner diameter of the tubular membrane 130 is about 5-50 mm. The pore size of the tubular membrane 130 may be an ultrafiltration (Ultrafiltration, 0.1 μm˜0.001 μm) module. The tubular membrane 130 is a polymer tubular filtration membrane. The material of the inner layer support tube 132 and the outer layer support tube 133 can be selected from PET or PP non-woven fabric, but is not limited to this, and any other material with permeability and certain strength can also be used. The inner layer support tube 132 may serve as a reinforcement layer. The filter membrane layer 131 may be a polymer coating such as polystyrene (PS), polyethylene (PE), polyvinylidene fluoride (PVDF), polyether sintered (PES) or polytetrafluoroethylene (PTFE) or its combination. The pore diameter of the filter film layer 131 made of PTFE is between 0.01 μm and 10 μm, and the pore distribution ratio of the PTFE pore filter film layer is between 10% and 99%. The film thickness of the filter film layer is between 1 μm and 100 μm. The pore diameter, pore distribution ratio and membrane thickness of the filtering membrane layer 131 can be changed according to the quality of the solution (such as seawater, industrial waste water and civil waste water) to be treated by the user, and this creation should not be limited to this.

The solution to be filtered can enter the tubular membrane filtration device 110 from the water inlet pipe port 121 to be filtered in a cross-flow manner. In detail, the solution to be filtered in the tubular membrane filtration device 110 passes through the filter membrane layer 131 , the inner layer support tube 132 and the outer layer support tube 133 in sequence in the radial direction to form purified water, and then flows from the outer wall of the outer layer support tube 133 to form purified water. The outer sidewall clean water outlet 123 flows out of the outer casing 120 . The solution to be filtered in the tubular membrane filtration device 110 passes through the pipeline defined by the filter membrane layer 131 having a tubular shape along the axial direction to form concentrated waste liquid, which flows out of the water outlet 122 . The concentrated waste liquid will not stay in the pipeline, which can prevent the tubular membrane 130 from clogging. The advantages of the cross-flow filtration of the tubular membrane filtration device 110 are high stability and long service time, and the filter membrane layer 131 is less likely to be blocked, and repeated flushing is not required, and the fluid flows in a good state. The inner diameter of the tubular membrane 130 can be about 8~12.7 mm, or 8~12 mm, which can handle feed liquids with high viscosity, high solid content, high impurity concentration, etc. Regular cleaning and maintenance during use can maintain With a certain flux and long service life, it can be used as the pretreatment of various wastewaters, or with stricter feed requirements. The tubular membrane filtration device 110 can be mechanically or chemically cleaned, regenerated and reused, and a single membrane can be replaced, which is simple and convenient to use. The tubular membrane filtration device 110 has a composite membrane structure, which has high pressure resistance and is not easily damaged.

FIG. 2 shows a water purification system according to an embodiment. The water purification system includes a tubular membrane filter device 110 , a raw solution tank 200 , a water purification tank 300 , an ion exchange filter device 400 and an activated carbon filter device 500 .

The tubular membrane filtration device 110 is communicated between the raw solution tank 200 and the ion exchange filtration device 400 through the conveying pipe 612 and the conveying pipe 622 . Wherein, the conveying pipe 612 is connected between the water inlet pipe port 121 of the tubular membrane filtration device 110 and the raw solution tank 200 . The conveying pipe 622 is connected between the water outlet port 122 of the tubular membrane filtration device 110 and the raw solution tank 200 . The conveying pipe 614 is connected between the water purification outlet 123 of the side wall of the tubular membrane filter device 110 and the ion exchange filter device 400 . The number of tubular membrane filtration devices 110 is not limited to one, and a plurality of tubular membrane filtration devices 110 can also be used and connected in parallel or in series to form a module structure, which can effectively improve the filtering effect of the solution to be filtered.

The activated carbon filter device 500 is communicated between the ion exchange filter device 400 and the water purification tank 300 through the conveying pipe 645 . In other embodiments, the ion exchange filter device 400 is communicated between the activated carbon filter device 500 and the water purification tank 300 through a conveying pipe.

The pressurized pump 712 is provided on the delivery tube 612 . The pressurization pump 735 is provided on the delivery pipe 635 . The solar module 800 is electrically connected to the pressurized pump 712 and the pressurized pump 735 to control the power supply to the pressurized pump to push the fluid, so as to achieve the effect of green energy and power saving. The solar module 800 includes a solar panel 810 and a battery and power management system 820 . The battery and power management system 820 is coupled between the pressurized pump 712 and the solar panel 810 , and between the pressurized pump 735 and the solar panel 810 . The battery and power management system 820 may include an energy storage module and a power controller that are electrically coupled. The power controller can be electrically connected between the solar panel 810 and the pressurized pump. In the embodiment, the pressurized pump powered by the solar module 800 can also be arranged on other conveying pipes. A water flow meter can be set on the delivery pipe.

In an embodiment, the raw solution tank 200 has the solution to be filtered therein. The solution to be filtered in the raw solution tank 200 is filtered by the tubular membrane filter device 110 , the ion exchange filter device 400 and the activated carbon filter device 500 to form purified water and enter the water purification tank 300 .

The solution to be filtered can be fruit juice, seawater, river water, industrial wastewater, livelihood wastewater, chemical concentrate, highly volatile solution (VOC), dyeing and finishing wastewater, electroplating wastewater, electrophoretic paint, etc. The solution can also be filtered through tubular membranes The concentrated waste liquid filtered by the device 110 is subjected to circulating filtration to improve the recovery rate of the waste water.

FIG. 3 shows a water purification system of another embodiment, and the difference between it and the water purification system of FIG. 2 is explained as follows. The water purification system can use the tubular membrane filtration device 150 shown in FIGS. 4A and 4B . The difference between the tubular membrane filtration device 150 and the tubular membrane filtration device 110 of FIGS. 1A and 1B is that the outer sleeve 160 of the tubular membrane filtration device 150 further includes a sidewall waste outlet 164 . The sidewall waste liquid outlet 164 is located between the water inlet pipe port 121 and the water outlet pipe port 122 , and is closer to the water outlet pipe port 122 . The concentrated waste liquid in the tubular membrane filtration device 150 can also flow out of the external casing 160 through the side wall waste liquid outlet 164 close to the water outlet pipe 122, and then pass through the conveying pipe 624 to the raw liquid tank 200, as shown in FIG. The pipe 615 is connected between the water purification outlet 123 of the side wall of the tubular membrane filter device 150 and the activated carbon filter device 500 . The ion exchange filter device 400 communicates between the activated carbon filter device 500 and the water purification tank 300 through the transfer pipe 645 and the transfer pipe 634 . A pressurized pump 735 is provided on the delivery tube 634 . In other embodiments, the activated carbon filter device 500 is communicated between the ion exchange filter device 400 and the water purification tank 300 through a conveying pipe.

In one embodiment, for example, the solution to be filtered in the raw solution tank 200 is river/pond water with high sand content. After the solution to be filtered in the conveying pipe 612 is filtered by the tubular membrane filtration device 150 , a solution with low sand content is formed into the conveying pipe 615 . The solution in the delivery pipe 615 flows to the activated carbon filter device 500 to be filtered to form a low-toxic solution, which is filtered by the ion exchange filter device 400 to form clean purified water, which can be used as water for people's livelihood or for drinking.

FIG. 5 shows the water purification system of the embodiment, which includes a movable carrier 900 with rollers 910 disposed under the base plate 920 . The system device described with reference to FIG. 1 or FIG. 3 can be installed on the movable carrier 900 to form a mobile water purification system, which is convenient to move and has high mobility.

To sum up, although the present disclosure has been disclosed above with embodiments, it is not intended to limit the present invention. Those with ordinary knowledge in the technical field to which the present disclosure pertains can make various changes and modifications without departing from the spirit and scope of the present disclosure. Therefore, the scope of protection of the present disclosure should be determined by the scope of the appended patent application.

110: Tubular membrane filtration device 120: Outer casing 121: water inlet 122: outlet pipe 123: Sidewall water purification outlet 130: Tubular membrane 131: filter membrane layer 132: inner support tube 133: Outer support tube 150: Tubular membrane filtration device 160: Outer casing 164: Sidewall waste liquid outlet 200: stock solution tank 300: water purification tank 400: Ion exchange filter device 500: Activated carbon filter device 612, 614, 615, 622, 624, 634, 635, 645: Delivery pipes 712, 735: Pressurized Pump 800: Solar Module 810: Solar Panels 820: Battery and Power Management Systems 900: Removable Carrier 910: Roller 920: Substrate

FIG. 1A shows an external view of a tubular membrane filtration device according to an embodiment. FIG. 1B shows a perspective view of a tubular membrane filtration device according to an embodiment. FIG. 2 shows a water purification system according to an embodiment. FIG. 3 shows another embodiment of a water purification system. FIG. 4A shows an external view of a tubular membrane filtration device according to an embodiment. FIG. 4B shows a perspective view of a tubular membrane filtration device according to an embodiment. Fig. 5 shows the water purification system of the embodiment.

110: Tubular membrane filtration device

120: Outer casing

121: water inlet

122: outlet pipe

123: Sidewall water purification outlet

130: Tubular membrane

200: stock solution tank

300: water purification tank

400: Ion exchange filter device

500: Activated carbon filter device

612, 614, 622, 635, 645: Delivery pipes

712,735: Pressurized pump

800: Solar Module

810: Solar Panels

820: Battery and Power Management Systems

Claims (10)

A water purification system comprising: a stock solution tank with a solution to be filtered therein; a clean sink; a tubular membrane filtration device, communicated with the raw solution tank; an ion exchange filter device; and An activated carbon filter device communicated with the ion exchange filter device between the tubular membrane filter device and the water purification tank, wherein the water purification tank has the solution to be filtered through the tubular membrane filter device, the ion exchange filter device and the A purified water formed after filtering by the activated carbon filter device is contained therein. The water purification system according to claim 1, further comprising a plurality of conveying pipes, respectively connected to two of the raw solution tank, the water purification tank, the ion exchange filter device, the tubular membrane filter device and the activated carbon filter device between. The water purification system according to claim 2, further comprising at least one pressurized pump, respectively disposed on one of the conveying pipes. The water purification system according to claim 3, further comprising a solar module electrically connected to the at least one pressurized pump. The water purification system of claim 4, wherein the solar module comprises: a solar panel; and A battery and power management system is coupled between the at least one pressurized pump and the solar panel. The water purification system according to claim 2, further comprising: a pressurized pump, disposed on one of the conveying pipes, and the one conveying pipe is connected between the raw solution tank and the tubular membrane filtration device; and Another pressurized pump is arranged on the other one of the conveying pipes, and the other conveying pipe is connected between one of the activated carbon filter device and the ion exchange filter device and the water purification tank. The water purification system according to claim 1, further comprising a movable carrier, wherein the raw solution tank, the water purification tank, the ion exchange filter device, the tubular membrane filter device and the activated carbon filter device are arranged in the movable carrier. on a mobile carrier. The water purification system of claim 1, wherein the tubular membrane filtration device comprises: an outer sleeve; and A tubular membrane disposed within the outer sleeve, the tubular membrane comprising: a filter membrane layer; an outer support tube; and An inner layer support tube, as a strengthening layer, is sandwiched between the filter membrane layer and the outer layer support tube, and the tubular membrane can be reused after cleaning and regeneration. The water purification system of claim 8, wherein the outer casing comprises: a water inlet; an outlet opening, relative to the inlet opening; and A water purification outlet on the side wall, between the water inlet nozzle and the water outlet nozzle, the solution to be filtered enters the tubular membrane filtration device from the water inlet nozzle, and is filtered in a cross-flow manner to form purified water and concentrated waste liquid, The purified water flows out of the outer casing from the side wall water outlet, and the concentrated waste liquid flows out of the water outlet, thereby reducing the possibility of clogging of the tubular membrane. The water purification system according to claim 9, wherein the outer casing further comprises a sidewall waste liquid outlet adjacent to the water outlet, wherein the sidewall water purification outlet is adjacent to the water inlet, and is filtered in the cross-flow manner to form The concentrated waste liquid flows out of the side wall waste liquid outlet, thereby reducing the possibility of clogging of the tubular membrane.

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