Double-drum type ultrafilter

Through the design of the double-roller ultrafiltration machine and online cleaning technology, the problem of low efficiency of single-roller ultrafiltration machine in high concentration and high viscosity materials is solved, achieving efficient filtration and land-saving effects.

CN223276127UActive Publication Date: 2025-08-29JIANGXI HANGDA ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202521263817.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-19
Publication Date
2025-08-29
Estimated Expiration
2035-06-19

AI Technical Summary

Technical Problem

The existing single-roller ultrafiltration machine has low filtration efficiency when dealing with high concentration, high viscosity or easily contaminated materials, concentrated filtration pressure, reduced performance of the filter membrane, and unable to be cleaned online, resulting in low filtration efficiency and large space.

Method used

The double roller design is adopted to increase the filter contact area, and a flushing component is installed inside and outside the roller. Online cleaning is achieved through the external and internal flushing nozzle, combining the biochemical chamber and water flip plate design to ensure uniform distribution of water flow and impurities removal.

Benefits of technology

It improves filtration efficiency, reduces floor space, extends the equipment life, realizes online cleaning and prevents blockage, and improves the overall performance of the filtration equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of filtering treatment of circulating water, in particular to a double-drum type ultrafilter which comprises a machine body and a filtering bin arranged on the machine body, and a first biochemical bin, a second biochemical bin and a third biochemical bin are sequentially arranged below the filtering bin. The filter bin is communicated with the first biochemical bin through a pipeline, the three biochemical bins are communicated through water turning plates, two roller filter assemblies are arranged in the filter bin in parallel, each roller filter assembly comprises a roller main shaft and a rotating cylinder arranged on the roller main shaft, one end of the roller main shaft is communicated with a water inlet pipe, and the other end of the roller main shaft is communicated with a water outlet pipe. The interior of the roller spindle is hollow and used for water inflow, a plug is arranged in the middle of the roller spindle, a water outlet pipe is connected to the roller spindle, a water outlet of the water outlet pipe faces the inner side of the barrel, the barrel is driven to rotate through water flow, a flushing assembly for cleaning the barrel is arranged in the filtering bin, the inner side and the outer side of the barrel can be cleaned online, and the filter screen is prevented from being blocked.
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Description

Technical Field

[0001] The utility model relates to the technical field of filtering and processing circulating water, in particular to a double-drum ultrafiltration machine. Background Art

[0002] The single-drum ultrafiltration and microfiltration machines currently used in circulating water filtration and treatment equipment have simple structures and low costs, but they have some obvious defects in actual applications, such as large space requirements, poor performance when processing high-concentration, high-viscosity or easily contaminated materials, all filtration pressure is concentrated on the single drum, and the performance of the filter membrane decreases significantly after long-term operation, resulting in low filtration efficiency; they cannot be cleaned online in real time, and the machine needs to be shut down for cleaning, interrupting the workflow and reducing filtration efficiency. Utility Model Content

[0003] In view of the deficiencies in the prior art, the present invention aims to provide a double-drum ultrafiltration machine.

[0004] At least one embodiment of the present invention provides a double-drum ultrafiltration machine, including a machine body and a filter chamber arranged on the machine body, wherein a biochemical chamber 1, a biochemical chamber 2, and a biochemical chamber 3 are arranged in sequence below the filter chamber, and the three biochemical chambers can be used to place filter materials or biochemical materials according to personal needs. Generally, a brush is placed in the biochemical chamber 1, and rattan cotton is placed in the biochemical chamber 2, and the water is further filtered and treated by placing the filter material. A nitrifying bacteria culture block or oyster shell is placed in the biochemical chamber 3, and the water is biologically treated by placing the biochemical material. A water turning plate is provided between the biochemical chamber 1, the biochemical chamber 2, and the biochemical chamber 3, and the three biochemical chambers are connected by the water turning plate. The interior of the water turning plate is a hollow design, and the left side of the upper end of the water turning plate is a water inlet. The right side of the lower end of the plate is the water outlet, so that water enters the biochemical bin from the bottom and exits from the top of the other end, which can ensure that the water can pass through the filter material or biochemical material. The filter bin is connected to the biochemical bin through a connecting pipe. Two drum filter assemblies are arranged in parallel in the filter bin. The two drum filter assemblies include a drum main shaft and a cylinder rotatably arranged on the drum main shaft. One end of the drum main shaft is connected to a water inlet pipe. The internal hollow of the drum main shaft is used for water inlet, and a plug is provided in the middle position. A water outlet pipe is connected to the drum main shaft, and the water outlet of the water outlet pipe faces the inner side of the cylinder. The cylinder is driven to rotate by water flow. A flushing assembly for cleaning the cylinder is provided in the filter bin, which can perform online cleaning on the inside and outside of the cylinder to prevent blockage.

[0005] In a double-drum ultrafiltration machine provided in an embodiment of the present invention, the flushing assembly includes an external flushing pipe arranged on the outside of the cylinder and an internal flushing pipe arranged on the inside of the cylinder, the external flushing pipe is provided with a plurality of external flushing nozzles, the outlets of the external flushing nozzles are facing the outer wall of the cylinder, the internal flushing pipe is provided with a plurality of internal flushing nozzles, the outlets of the internal flushing nozzles are facing the inner wall of the cylinder, one end of the external flushing pipe is connected to a flushing water pump through a pipe, and the other end of the external flushing pipe is connected to the internal flushing pipe through a flushing adapter pipe. When it is necessary to flush the cylinder, the flushing water pump draws water from the filter bin, and the water is sprayed out from the external flushing nozzle and the internal flushing nozzle respectively through the external flushing pipe and the internal flushing pipe, which can flush the inside and outside of the cylinder, so that internal and external flushing can be achieved during its operation, and impurities attached to the inner wall of the cylinder can be flushed away, thereby reducing blockage and ensuring filtration efficiency.

[0006] In the double-drum ultrafiltration machine provided in one embodiment of the present invention, the cylinder is conical, and a plurality of hollow openings are provided on the circumference of the cylinder. Specifically, the openings are of two shapes of different sizes, and a filter screen is provided in the cylinder for covering the openings.

[0007] In the double-drum ultrafiltration machine provided in one embodiment of the present invention, a sewage discharge bin is provided on one side of the filter bin, and a slag discharge port is provided at the bottom of the sewage discharge bin. This is different from other machines in that the slag discharge port is on the side, thereby preventing bacteria from breeding in dead water areas.

[0008] In the double-drum ultrafiltration machine provided in one embodiment of the present invention, the biochemical chamber 1, biochemical chamber 2, and biochemical chamber 3 are connected in sequence and are all provided with sewage outlets at the bottom, and a purified water outlet is provided on one side of the biochemical chamber 3.

[0009] In the double-drum ultrafiltration machine provided in one embodiment of the present invention, a germicidal lamp is provided on the inner wall of the filter chamber to sterilize the water in the filter chamber.

[0010] The beneficial effects of the present invention are as follows: the present invention adopts double-drum filtration, and the machine with the same flow rate greatly reduces the occupied space, and the double-drum filtration increases the filtration contact area, which can improve the filtration efficiency, and by setting a flushing component, the inside and outside of the drum can be cleaned online to prevent the filter from being blocked and increase the service life of the machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present invention is further described with reference to the accompanying drawings. However, the embodiments in the accompanying drawings do not constitute any limitation to the present invention. A person skilled in the art can obtain other drawings based on the following drawings without creative effort.

[0012] Figure 1The present invention provides a schematic cross-sectional structural diagram of a double-drum ultrafiltration machine according to an embodiment of the present invention.

[0013] Figure 2 A top view of a double-drum ultrafiltration machine provided in an embodiment of the present utility model.

[0014] Figure 3 A schematic diagram of the three-dimensional structure of a double-drum ultrafiltration machine provided in an embodiment of the utility model.

[0015] Figure 4 This is another schematic diagram of the three-dimensional structure of a double-drum ultrafiltration machine provided in an embodiment of the present utility model.

[0016] Figure 5 The present invention provides a schematic structural diagram of a drum filter assembly in a double-drum ultrafiltration machine according to an embodiment of the present invention.

[0017] Figure 6 This is another structural schematic diagram of the drum filter assembly in the drum filter assembly provided in an embodiment of the present utility model.

[0018] Figure 7 This is a cross-sectional view of the drum in the drum filter assembly provided in an embodiment of the present utility model.

[0019] The numbers shown in the figure are: 1. Machine body; 2. Filter chamber; 3. Water inlet pipe; 4. Drum main shaft; 401. Water outlet pipe; 402. Plug; 5. Drum filter assembly; 501. Cylinder; 502. Opening; 6. Flushing assembly; 601. Flushing water pump; 602. External flushing pipe; 603. External flushing nozzle; 604. Flushing adapter; 605. Internal flushing pipe; 606. Internal flushing nozzle; 7. Sewage bin; 8. Connecting pipe; 9. Slag discharge port; 10. Biochemical chamber 1; 11. Biochemical chamber 2; 12. Biochemical chamber 3; 13. Sewage outlet; 14. Clean water outlet; 15. Water-turning plate; 16. Sterilization lamp. DETAILED DESCRIPTION

[0020] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), such directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0021] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features specified as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0022] A double-drum ultrafiltration machine provided by an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0023] like Figure 1-Figure 7 As shown, this embodiment provides a double-drum ultrafiltration machine, including a body 1 and a filter chamber 2 arranged on the body 1, and a biochemical chamber 1 10, a biochemical chamber 2 11, and a biochemical chamber 3 12 are arranged in sequence below the filter chamber 2. The three biochemical chambers can be used to place filter materials or biochemical materials according to personal needs. Generally, a brush is placed in the biochemical chamber 10, and rattan cotton is placed in the biochemical chamber 2 11. The water is further filtered by placing the filter material. A nitrifying bacteria culture block or oyster shell is placed in the biochemical chamber 3 12. The water is biologically treated by placing the biochemical material. A water turning plate 15 is provided between the biochemical chamber 10, the biochemical chamber 2 11, and the biochemical chamber 3 12. The three biochemical chambers are connected by the water turning plate 15. Further, as Figure 3 As shown, the interior of the water-turning plate 15 is hollow, the left side of the upper end of the water-turning plate 15 is the water inlet, and the right side of the lower end of the water-turning plate 15 is the water outlet, so that water enters the biochemical bin from the bottom and exits from the top of the other end, which can ensure that the water can pass through the filter material or biochemical material. The filter bin 2 is connected to the biochemical bin 10 by a connecting pipe 8. Two drum filter assemblies 5 are arranged in parallel in the filter bin 2. The two drum filter assemblies 5 include a drum main shaft 4 and a cylinder 501 rotatably arranged on the drum main shaft 4. One end of the drum main shaft 4 is connected to the water inlet pipe 3. The interior of the drum main shaft 4 is hollow for water inlet, and a plug 402 is provided in the middle position. The drum main shaft 4 is connected to the water outlet pipe 401. The water outlet of the water outlet pipe 401 faces the inner side of the cylinder 501, and the cylinder 501 is driven to rotate by water flow. A flushing assembly 6 for cleaning the cylinder 501 is provided in the filter bin 2, which can perform online cleaning on the inside and outside of the cylinder to prevent blockage.

[0024] In the double drum ultrafiltration machine provided in one embodiment of the present invention, Figure 5-Figure 7As shown, the flushing assembly 6 includes an external flushing pipe 602 arranged on the outside of the cylinder 501 and an internal flushing pipe 605 arranged on the inside of the cylinder 501, the external flushing pipe 602 is provided with a plurality of external flushing nozzles 603, the outlets of the external flushing nozzles 603 are directed toward the outer wall of the cylinder 501, the internal flushing pipe 605 is provided with a plurality of internal flushing nozzles 606, the outlets of the internal flushing nozzles 606 are directed toward the inner wall of the cylinder 501, and one end of the external flushing pipe 602 is connected to the flushing nozzle 606 through a pipe. The washing water pump 601, the other end of the external flushing pipe 602 is connected to the internal flushing pipe 605 through the flushing adapter 604. When the cylinder needs to be flushed, the flushing water pump 601 draws water from the filter bin 2, and the water is sprayed out from the external flushing nozzle 603 and the internal flushing nozzle 606 through the external flushing pipe 602 and the internal flushing pipe 605 respectively, which can flush the inside and outside of the cylinder, so that internal and external flushing can be achieved during its operation, and impurities attached to the inner wall of the cylinder can be washed away, thereby reducing blockage and ensuring filtration efficiency.

[0025] In the double drum ultrafiltration machine provided in one embodiment of the present invention, Figure 5 、 Figure 6 、 Figure 7 As shown, the cylinder 501 is conical, and a plurality of hollow openings 502 are opened on the circumference of the cylinder 501 . Specifically, the openings 502 are of two shapes with different sizes. A filter is provided in the cylinder 501 for covering the openings 502 .

[0026] In the double drum ultrafiltration machine provided in one embodiment of the present invention, Figure 1 As shown, a sewage discharge bin 7 is provided on one side of the filter bin 2, and a slag discharge port 9 is provided at the bottom of the sewage discharge bin 7. Different from other machines, the slag discharge port 9 is on the side to prevent bacteria from breeding in dead water areas.

[0027] In the double drum ultrafiltration machine provided in one embodiment of the present invention, Figure 1 、 Figure 3 As shown, the biochemical warehouse 1 10 , the biochemical warehouse 2 11 , and the biochemical warehouse 3 12 are connected in sequence and are all provided with a sewage outlet 13 at the bottom. A purified water outlet 14 is provided on one side of the biochemical warehouse 3 12 .

[0028] In the double drum ultrafiltration machine provided in one embodiment of the present invention, Figure 2 、 Figure 3 As shown, a germicidal lamp 16 is provided on the inner wall of the filter chamber 2. The germicidal lamp 16 is used to sterilize the water in the filter chamber 2.

[0029] The working process of the utility model double drum ultrafiltration machine:

[0030] The sewage to be treated is divided into two paths through the water inlet pipe 3 and enters the two drum filter components 5, and flows into the cylinder 501 through the water outlet pipe 401 on the drum main shaft 4. After being filtered by the filter screen in the cylinder 501, the filter residue flows into the sewage discharge bin 7 from the large diameter end of the cylinder 501, and is then discharged from the residue discharge port 9. The filtered water enters the biochemical bin 1 10 from the connecting pipe 8 at the bottom of the filter bin 2, and is filtered again. It is then further filtered and biochemically treated in the biochemical bin 2 11 and the biochemical bin 3 12, and the treated water is finally discharged from the clean water outlet 14. While filtering the sewage, the inside and outside of the cylinder 501 can be flushed by the flushing component 6, so that internal and external flushing can be achieved during its operation, and impurities attached to the inner wall of the cylinder 501 can be flushed away, thereby reducing blockage and ensuring filtering efficiency.

[0031] There are a few points to note:

[0032] (1) The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure. Other structures can refer to the general design.

[0033] (2) Unless there is any conflict, the features of the same embodiment and different embodiments of the present disclosure may be combined with each other.

[0034] The above are only specific embodiments of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A double drum ultrafiltration machine, characterized in that: The invention comprises a body (1) and a filter chamber (2) arranged on the body (1), wherein a biochemical chamber 1 (10), a biochemical chamber 2 (11), and a biochemical chamber 3 (12) are sequentially arranged below the filter chamber (2), a water-turning plate (15) is arranged between the biochemical chamber 1 (10), the biochemical chamber 2 (11), and the biochemical chamber 3 (12), and filter materials or biochemical materials are placed in the three biochemical chambers, the filter chamber (2) and the biochemical chamber 1 (10) are connected through a connecting pipe (8), two drum filter assemblies (5) are arranged in parallel in the filter chamber (2), and the two drum filter assemblies (5) each comprise a drum main shaft (4) and a cylinder (501) arranged to rotate on the drum main shaft (4), one end of the drum main shaft (4) is connected to a water inlet pipe (3), and the drum main shaft (4) is connected to a water outlet pipe (401), and a flushing assembly (6) for cleaning the drum filter assembly (5) is arranged in the filter chamber (2).

2. A double drum ultrafiltration machine according to claim 1, characterized in that: The flushing assembly (6) comprises an external flushing pipe (602) arranged outside the barrel (501) and an internal flushing pipe (605) arranged inside the barrel (501); a plurality of external flushing nozzles (603) are provided on the external flushing pipe (602); a plurality of internal flushing nozzles (606) are provided on the internal flushing pipe (605); one end of the external flushing pipe (602) is connected to a flushing water pump (601) via a pipe, and the other end of the external flushing pipe (602) is connected to the internal flushing pipe (605) via a flushing adapter pipe (604).

3. A double drum ultrafiltration machine according to claim 1, characterized in that: The cylinder (501) is conical, and a plurality of hollow openings (502) are provided on the circumference of the cylinder (501). A filter screen for covering the openings (502) is provided inside the cylinder (501).

4. A double drum ultrafiltration machine according to claim 1, characterized in that: A sewage discharge bin (7) is provided on one side of the filter bin (2), and a slag discharge port (9) is provided at the bottom of the sewage discharge bin (7).

5. A double drum ultrafiltration machine according to claim 1, characterized in that: The biochemical warehouse 1 (10), biochemical warehouse 2 (11), and biochemical warehouse 3 (12) are connected in sequence and are all provided with a sewage outlet (13) at the bottom. A purified water outlet (14) is provided on one side of the biochemical warehouse 3 (12).

6. A double drum ultrafiltration machine according to claim 1, characterized in that: A sterilizing lamp (16) is provided on the inner wall of the filter chamber (2).