CN111054126A - Performance test device of fixed self-cleaning micro-filter - Google Patents
Performance test device of fixed self-cleaning micro-filter Download PDFInfo
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- CN111054126A CN111054126A CN201911177606.1A CN201911177606A CN111054126A CN 111054126 A CN111054126 A CN 111054126A CN 201911177606 A CN201911177606 A CN 201911177606A CN 111054126 A CN111054126 A CN 111054126A
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- filter cylinder
- rotary filter
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- backwashing
- cleaning
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- 238000004140 cleaning Methods 0.000 title claims abstract description 60
- 238000011056 performance test Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 154
- 238000011001 backwashing Methods 0.000 claims abstract description 78
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims description 25
- 239000012535 impurity Substances 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims description 22
- 239000010865 sewage Substances 0.000 claims description 22
- 238000012360 testing method Methods 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 8
- 238000002474 experimental method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005086 pumping Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000007667 floating Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000003973 irrigation Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D33/503—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles the backwash arms, shoes acting on the cake side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/801—Driving means, shaft packing systems or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/804—Accessories integrally combined with devices for controlling the filtration
- B01D33/807—Accessories integrally combined with devices for controlling the filtration by level measuring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a performance test device of a fixed self-cleaning micro-filter, which comprises: a frame; the rotary filter cylinder is arranged on the filter cylinder rotary seat and is provided with a clean water outlet through which filtered clean water flows out; the backwashing shaft tube is fixedly arranged on the rotary base of the filter cylinder, one end of the backwashing shaft tube extends into the rotary filter cylinder, and the backwashing shaft tube is provided with a water inlet for backwashing water to flow in; the back washing branch pipe is communicated with the back washing shaft pipe and is positioned inside the rotary filter cylinder; a plurality of nozzles are arranged on the pipe section of the backwashing branch pipe close to the inner wall of the rotary filter cylinder; and the driving mechanism is arranged on the rack, is assembled with the rotary filter cylinder and is used for driving the rotary filter cylinder to rotate around the axial direction of the backwashing shaft tube. The self-cleaning working condition of the micro-filter can be simulated by adopting the structural design of fixing the back-washing shaft tube and rotating the rotary filter cylinder, and the experimental parameters obtained by the experiment can truly represent the working parameters and the operating working condition of the micro-filter, so that the performance of the product can be effectively evaluated.
Description
Technical Field
The invention relates to the technical field of micro-irrigation engineering design, in particular to a performance test device of a fixed self-cleaning micro-filter.
Background
In the micro-irrigation engineering design, various devices for filtering irrigation water are provided, such as sand and stone filters, laminated filters, net filters and the like, the filters are arranged behind a water pump, the loss of a pressure head after filtration can reach 5-8 m, and meanwhile, the automatic cleaning function can be realized only by a certain water pressure, so that the disadvantages of large investment, high energy consumption, large occupied area and the like are caused.
The fixed self-cleaning microfilter is irrigation filtering equipment which is developed by aiming at the defects of the filter and adopts a self-pressure self-flow filtering mode. The fixed self-cleaning micro-filter comprises: the filter cylinder is used for filtering water and provided with a clear water outlet at the bottom; a backwash tube rotatable within the filter cartridge; and a nozzle arranged on the back washing pipe and used for spraying back washing water to the filter cylinder in a rotating way so as to remove impurities attached to the outer wall of the filter cylinder. The fixed self-cleaning micro-filter can effectively flush impurities blocked on the filter cylinder through the back flushing effect, has the advantages of good cleaning effect and high cleaning speed, and can provide a filtering device with the water yield of 500m 3/h.
Before the development and application of the fixed self-cleaning micro-filter, the working parameters and the operating conditions of the fixed self-cleaning micro-filter need to be verified to evaluate the product performance. However, at present, no relevant test device for verifying the performance of the fixed self-cleaning micro-filter exists; therefore, a set of performance test device of the fixed self-cleaning micro-filter, which has the same structure with the fixed self-cleaning micro-filter and can truly represent the working parameters and the operating conditions of the fixed self-cleaning micro-filter, needs to be designed in a targeted manner.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the problem that the fixed self-cleaning micro-filter in the prior art is lack of a related performance testing device, thereby providing a performance testing device of the fixed self-cleaning micro-filter.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a performance test device of a fixed self-cleaning micro-filter comprises:
a frame;
the rotary filter cylinder is rotatably arranged on the filter cylinder rotary seat, is used for collecting the filtered clean water and is provided with a clean water outlet through which the filtered clean water flows out;
the backwashing shaft tube is fixedly arranged on the filter cylinder rotating seat, one end of the backwashing shaft tube extends into the rotating filter cylinder and is arranged along the rotating axis direction of the rotating filter cylinder, and the backwashing shaft tube is provided with a water inlet for back flushing water to flow in;
the backwashing branch pipe is communicated with the backwashing shaft pipe and is positioned inside the rotary filter cylinder; a pipe section of the backwashing branch pipe, which is close to the inner wall of the rotary filter cylinder, is provided with a plurality of nozzles with opening directions facing the rotary filter cylinder;
and the driving mechanism is arranged on the rack, is assembled with the rotary filter cylinder and is used for driving the rotary filter cylinder to rotate around the axial direction of the backwashing shaft tube so as to enable backwashing water sprayed by the plurality of nozzles to tangentially scour the rotary filter cylinder.
Furthermore, the backwashing branch pipe comprises a connecting pipe section and a water outlet pipe section, wherein one end of the connecting pipe section is communicated with the backwashing shaft pipe, and the other end of the connecting pipe section extends towards the inner wall direction of the rotary filter cylinder; the nozzles are uniformly arranged on the water outlet pipe section at intervals.
Furthermore, a supporting structure for supporting the water outlet pipe section is connected to the backwashing shaft pipe.
Furthermore, a clean water tank is arranged below the rotary filter cylinder, the frame and the filter cylinder rotary seat are both arranged on the clean water tank, and the clean water tank is provided with a water inlet communicated with a clean water outlet of the rotary filter cylinder and a water outlet for discharging filtered clean water.
Furthermore, a water level detection device which is communicated with the rotary filter cylinder through the clean water tank and is used for detecting the water level height in the rotary filter cylinder and is electrically connected with an external control device is installed on the frame.
Further, the water level detection apparatus includes: a water level detection cylinder fixed on the frame and the bottom of which is communicated with the clean water tank; and a floating ball water level detection sensor arranged in the water level detection cylinder and used for detecting the water level.
Furthermore, a dirt collecting cylinder which is positioned outside the rotary filter cylinder, corresponds to the plurality of nozzles and is used for collecting impurities washed away from the outer wall of the rotary filter cylinder is installed on the rack.
Furthermore, a sewage collecting cylinder outlet connected with an inlet of the sewage pumping pump is formed in the sewage collecting cylinder.
Further, the outlet of the sewage pump is connected with a sewage filtering device.
Furthermore, a water outlet of the clean water tank is communicated with a water suction pump.
The technical scheme of the invention has the following advantages:
1. according to the performance test device of the fixed self-cleaning micro-filter, in the filtering process, water containing impurities is filtered from the outside to the inside of the rotary filter cylinder, the impurities in the water are intercepted by the rotary filter cylinder and then are adsorbed on the outer wall of the rotary filter cylinder, and filtered clean water flows out through the clean water outlet of the rotary filter cylinder; the rotary filter cylinder continuously rotates in the filtering process, water can generate self-rotating current after entering the rotary filter cylinder, the self-rotating current rotates around the central shaft of the outer cylinder, impurities adhered to the rotary filter cylinder are tangentially washed in the filtering process, the adhesion force of the impurities on the rotary filter cylinder is reduced, and the cleaning frequency of the rotary filter cylinder is effectively reduced; however, with the long-time work of the rotary filter cylinder, the intercepted impurities are gradually attached to the outer wall of the rotary filter cylinder to form an impurity layer, the continuous filtration of water is seriously hindered, the height of the water level in the rotary filter cylinder is gradually reduced, when the water level in the rotary filter cylinder is reduced to a set value, external high-pressure backwashing water is introduced into the backwashing shaft pipe through the water inlet of the backwashing shaft pipe, the backwashing water is reversely and rotatably sprayed out from the inner wall of the rotary filter cylinder to the outer wall of the rotary filter cylinder through a plurality of nozzles, the impurities adhered to the outer wall of the rotary filter cylinder are effectively taken away through the backwashing effect, and the cleaning effect. The performance test device of the fixed self-cleaning micro-filter provided by the embodiment of the invention adopts the structural design that the backwashing shaft tube is fixed and the rotary filter cylinder is rotatable, can simulate the self-cleaning working condition of the fixed self-cleaning micro-filter with the backwashing shaft tube rotating and the rotary filter cylinder fixed in practice, and the experimental parameters obtained by the test can truly represent the working parameters and the operating working condition of the fixed self-cleaning micro-filter.
2. The performance test device of the fixed self-cleaning micro-filter provided by the invention has the advantages that the back washing branch pipe consisting of the mutually vertical connecting pipe section and the water outlet pipe section and the plurality of nozzles uniformly arranged on the water outlet pipe section at intervals are similar to the back washing branch pipe and the nozzles of the fixed self-cleaning micro-filter in the simulation of the actual structure and the same functions, but the structure is simpler, and the manufacturing cost is reduced on the premise of truly simulating the operation condition of the fixed self-cleaning micro-filter.
3. According to the performance test device of the fixed self-cleaning micro-filter, the structure of the back washing branch pipe in practice can be simulated more truly due to the arrangement of the supporting structure, and the stability of the back washing branch pipe is improved.
4. According to the performance test device of the fixed self-cleaning microfilter, the water level detection device is in a structural design that the clean water tank is communicated with the rotary filter cylinder, the water level height in the rotary filter cylinder can be detected in real time, when the water level height in the rotary filter cylinder is detected to be reduced to a set value, the water level detection device sends a control signal to the external control device, the external control device controls the high-pressure backwashing device to introduce backwashing water into the backwashing shaft pipe, the backwashing water reversely flushes the rotary filter cylinder through the nozzle, and impurities intercepted and attached to the outer surface of the rotary filter cylinder are flushed away from the rotary filter cylinder; the working parameters of the fixed self-cleaning micro-filter can be truly simulated.
5. The performance test device of the fixed self-cleaning micro-filter provided by the invention has the advantages that the arrangement of the sewage collecting cylinder, the sewage pumping pump and the sewage filtering device can discharge collected impurities, and a sewage discharge device in a fixed self-cleaning micro-filter system is truly simulated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram showing the overall structure of a performance testing apparatus of a fixed self-cleaning microfilter in an embodiment of the present invention;
FIG. 2 is a schematic diagram of the working principle of the performance testing device of the fixed self-cleaning microfilter in the embodiment of the invention.
Description of reference numerals: 1. a clean water tank; 2. a frame; 3. a cartridge rotating base; 4. rotating the filter cartridge; 5. backwashing the shaft tube; 6. back flushing the branch pipe; 61. connecting the pipe sections; 62. a water outlet pipe section; 7. a nozzle; 8. a drive mechanism; 9. a water level detection cylinder; 10. a floating ball water level detection sensor; 11. a backwash water inlet pipe; 12. a support structure; 13. a sewage collecting cylinder; 14. an outlet of the sewage collecting cylinder; 15. a sewage pumping pump; 16. a sewage filtering device; 17. a water pump.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figures 1 and 2, the performance test device of the fixed self-cleaning micro-filter comprises a frame 2, a rotary filter cylinder 4, a backwashing shaft tube 5, a backwashing branch tube 6, an external high-pressure backwashing device and a driving mechanism 8. Wherein, the bottom of the rotary filter cylinder 4 is rotatably arranged on a filter cylinder rotary base 3, the periphery of the rotary filter cylinder 4 is provided with a filter screen structure for filtering water, and the bottom of the rotary filter cylinder 4 corresponding to the filter cylinder rotary base 3 is provided with a clean water outlet for flowing out of the filtered clean water. The backwashing shaft tube 5 is fixedly arranged on the filter cylinder rotating base 3 and is arranged along the rotating axis direction of the rotary filter cylinder 4, the upper end of the backwashing shaft tube 5 extends into the rotary filter cylinder 4 and is rotatably connected with the top of the rotary filter cylinder 4, the lower end of the backwashing shaft tube 5 extending out of the rotary filter cylinder 4 is provided with a water inlet for back washing water to flow in, and the water inlet is connected with a back washing water inlet pipe 11 of an external high-pressure backwashing device. The back washing branch pipe 6 is communicated with the back washing shaft pipe 5 and is positioned inside the rotary filter cylinder 4, and a pipe section of the back washing branch pipe 6 close to the inner wall of the rotary filter cylinder 4 is provided with a plurality of nozzles 7 with opening directions facing the inner peripheral wall of the rotary filter cylinder 4. The driving mechanism 8 is a driving motor mounted on the frame 2 and assembled with the rotary filter cartridge 4, and the driving motor is used for driving the rotary filter cartridge 4 to rotate around the axial direction of the backwashing shaft tube 5 so that the backwashing water sprayed from the plurality of nozzles 7 tangentially washes the rotary filter cartridge 4.
In the performance test device of the fixed self-cleaning microfilter, in the filtering process, water containing impurities is filtered inwards from the outside of the rotary filter cylinder 4, the impurities in the filtered water are intercepted by the rotary filter cylinder 4 and then are adsorbed on the outer wall of the rotary filter cylinder 4, and the filtered clean water flows out through a clean water outlet of the rotary filter cylinder 4; because the rotary filter cylinder 4 continuously rotates in the filtering process, water can generate self-rotating current after entering the rotary filter cylinder 4, the self-rotating current rotates around the central shaft of the outer cylinder, impurities adhered to the rotary filter cylinder 4 are tangentially washed in the filtering process, the adhesion force of the impurities on the rotary filter cylinder 4 is reduced, and the cleaning frequency of the rotary filter cylinder 4 is effectively reduced; however, with the long-time operation of the rotary filter cylinder 4, the intercepted impurities gradually adhere to the outer wall of the rotary filter cylinder 4 to form an impurity layer, so that the continuous filtration of water is seriously hindered, the height of the water level in the rotary filter cylinder 4 gradually decreases, when the water level in the rotary filter cylinder 4 decreases to a set value, external high-pressure back washing water is introduced into the back washing shaft tube 5 through the water inlet of the back washing shaft tube 5, the back washing water is reversely rotated and sprayed out from the inner wall of the rotary filter cylinder 4 towards the outer wall of the rotary filter cylinder 4 through the plurality of nozzles 7, the impurities adhered to the outer wall of the rotary filter cylinder 4 are effectively taken away through the back washing effect. The performance test device of the fixed self-cleaning micro-filter provided by the embodiment of the invention adopts the structural design that the backwashing shaft tube 5 is fixed and the rotary filter cylinder 4 is rotatable, can simulate the self-cleaning working condition of the fixed self-cleaning micro-filter with the backwashing shaft tube 5 rotating and the rotary filter cylinder 4 fixed in practice, and the experimental parameters obtained by the test can truly represent the working parameters and the operating working condition of the fixed self-cleaning micro-filter.
Further, the backwash branch pipe 6 in this embodiment includes a connection pipe section 61 having one end communicated with the upper end of the backwash shaft pipe 5 and the other end extending vertically toward the inner wall of the rotary filter cartridge 4, and a water outlet pipe section 62 connected to the other end of the connection pipe section 61 and disposed vertically; a plurality of nozzles 7 are arranged on the water outlet pipe section 62 at even intervals. The lower end of the back washing shaft tube 5 is connected with a supporting structure 12 for supporting the water outlet tube section 62, the supporting structure 12 and the back washing branch tubes 6 have similar structural functions with the back washing branch tubes 6 in the fixed self-cleaning micro-filter in practice, but the structure is simpler, so that the manufacturing cost can be reduced on the premise of truly simulating the operation condition of the fixed self-cleaning micro-filter.
In this embodiment, a clean water tank 1 is disposed below the rotary filter cartridge 4, the frame 2 and the filter cartridge rotary base 3 are both mounted on the clean water tank 1, and the clean water tank 1 has a water inlet communicated with the clean water outlet of the rotary filter cartridge 4 and a water outlet for discharging filtered clean water. The frame 2 is provided with a water level detection device which is communicated with the rotary filter cylinder 4 through the clean water tank 1, is used for detecting the water level height in the rotary filter cylinder 4 and is electrically connected with an external control device. The water level detection device can detect the water level height in the rotary filter cylinder 4 in real time through the structural design that the clean water tank 1 is communicated with the rotary filter cylinder 4, when the water level height in the rotary filter cylinder 4 is detected to be reduced to reach a set value, the water level detection device sends a control signal to an external control device, the external control device controls a high-pressure back washing device to introduce back washing water into a back washing shaft tube 5, the back washing water reversely washes the rotary filter cylinder 4 through a nozzle 7, and impurities intercepted and attached to the outer surface of the rotary filter cylinder 4 are washed away from the rotary filter cylinder 4; the working parameters of the fixed self-cleaning micro-filter can be truly simulated.
Specifically, the water level detection device comprises a water level detection barrel 9 which is fixed on the frame 2 and the bottom of which is communicated with the clean water tank 1; and a float water level detection sensor 10 provided in the water level detection cylinder 9 for detecting a water level. Because the water level detection cylinder 9 is communicated with the rotary filter cylinder 4, the water level height of the floating ball in the water level detection cylinder 9 is the water level height in the rotary filter cylinder 4, and the mode of measuring the liquid level height in the rotary filter cylinder 4 according to the communicating vessel principle is more intuitive.
In the embodiment, the frame 2 is provided with a dirt collecting cylinder 13 which is positioned outside the rotary filter cylinder 4 and is used for collecting impurities flushed from the outer wall of the rotary filter cylinder 4; the dirt collecting cylinder 13 and the plurality of nozzles 7 are respectively arranged on two opposite sides of the rotary filter cylinder 4, and the upper end and the lower end of the dirt collecting cylinder 13 are provided with closing structures arranged close to the rotary filter cylinder 4 so as to prevent impurities from being discharged outwards through a gap between the rotary filter cylinder 4 and the dirt collecting cylinder 13.
Furthermore, an outlet of the sewage collecting cylinder 13 connected with an inlet of the sewage pumping pump 15 is formed in the sewage collecting cylinder 13, and an outlet of the sewage pumping pump 15 is connected with a sewage filtering device 16. The sewage filtering device 16 comprises a water tank and an inclined filtering plate arranged in the water tank, the inclined filtering plate divides the space in the water tank into a sewage collecting area and a clear water area, and the inclined filtering plate is provided with a mesh structure for filtering water-containing impurities.
In the present embodiment, the outlet of the clean water tank 1 is communicated with a water suction pump 17, and the water suction pump 17 is used for pumping out the filtered clean water in the clean water tank 1. When the rotary filter cylinder 4 is blocked, the water pump 17 continuously pumps water in the clean water tank 1, so that the water level in the rotary filter cylinder 4 is continuously lowered, and the backwashing condition of the rotary filter cylinder 4 is simulated.
In summary, the performance testing device of the fixed self-cleaning microfilter provided by the embodiment of the invention adopts the structural design that the backwashing shaft tube 5 is fixed and the rotary filter cylinder 4 is rotatable, so that the self-cleaning working condition of the fixed self-cleaning microfilter with the backwashing shaft tube 5 rotating and the rotary filter cylinder 4 fixed in practice can be simulated, and the experimental parameters obtained by the test can truly represent the working parameters and the operating working condition of the fixed self-cleaning microfilter, thereby effectively evaluating the performance of the product.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. The utility model provides a performance test device of fixed self-cleaning microfilter which characterized in that includes:
a frame (2);
the rotary filter cylinder (4) is rotatably arranged on the filter cylinder rotary seat (3) and is used for collecting the filtered clean water and is provided with a clean water outlet through which the filtered clean water flows out;
the backwashing shaft tube (5) is fixedly arranged on the filter cylinder rotating base (3), one end of the backwashing shaft tube extends into the rotating filter cylinder (4) and is arranged along the rotating axis direction of the rotating filter cylinder (4), and the backwashing shaft tube (5) is provided with a water inlet for backwashing water to flow in;
the back washing branch pipe (6) is communicated with the back washing shaft pipe (5) and is positioned inside the rotary filter cylinder (4); a pipe section of the back washing branch pipe (6) close to the inner wall of the rotary filter cylinder (4) is provided with a plurality of nozzles (7) with opening directions facing the rotary filter cylinder (4);
and the driving mechanism (8) is installed on the rack (2) and assembled with the rotary filter cylinder (4) and used for driving the rotary filter cylinder (4) to rotate around the axial direction of the backwashing shaft tube (5) so as to enable backwashing water sprayed out from the plurality of nozzles (7) to tangentially flush the rotary filter cylinder (4).
2. A performance testing apparatus of a fixed self-cleaning microfilter according to claim 1, wherein the backwash manifold (6) comprises a connecting pipe section (61) having one end communicating with the backwash shaft pipe (5) and the other end extending in the direction of the inner wall of the rotary filter cartridge (4), and a water outlet pipe section (62) connected to the other end of the connecting pipe section (61) and arranged in the vertical direction; the nozzles (7) are uniformly arranged on the water outlet pipe section (62) at intervals.
3. A performance testing apparatus of a fixed self-cleaning microfilter according to claim 2, wherein the backwash shaft tube (5) is connected to a support structure (12) providing support for the outlet pipe section (62).
4. A performance testing apparatus of a fixed self-cleaning micro-filter according to claim 1, characterized in that a clean water tank (1) is arranged below the rotary filter cartridge (4), the frame (2) and the filter cartridge rotary base (3) are both mounted on the clean water tank (1), and the clean water tank (1) has a water inlet communicated with the clean water outlet of the rotary filter cartridge (4) and a water outlet for discharging filtered clean water.
5. A performance testing apparatus of a fixed self-cleaning microfilter according to claim 4, characterized in that said frame (2) is provided with water level detection means communicating with said rotary cartridge (4) through said clean water tank (1) for detecting the water level inside said rotary cartridge (4) and electrically connected to external control means.
6. The fixed self-cleaning microfilter performance testing apparatus of claim 5, wherein the water level sensing means comprises: a water level detection cylinder (9) which is fixed on the frame (2) and the bottom of which is communicated with the clean water tank (1); and a float ball water level detection sensor (10) disposed in the water level detection cylinder (9) for detecting a water level.
7. A performance testing apparatus for a stationary self-cleaning microfilter according to claim 1, wherein a dirt collecting cylinder (13) is mounted on the frame (2) outside the rotary filter cartridge (4) and corresponding to the nozzles (7) for collecting the impurities flushed from the outer wall of the rotary filter cartridge (4).
8. The fixed self-cleaning microfilter performance testing apparatus of claim 7, wherein the dirt collecting cylinder (13) is provided with a dirt collecting cylinder (13) outlet connected to the inlet of the dirt suction pump (15).
9. A performance testing apparatus of a fixed self-cleaning micro-filter according to claim 8, characterized in that the outlet of the sewage pump (15) is connected with a sewage filtering device (16).
10. A performance test device of a fixed self-cleaning micro-filter according to claim 4, characterized in that the water outlet of the clean water tank (1) is communicated with a water suction pump (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911177606.1A CN111054126A (en) | 2019-11-26 | 2019-11-26 | Performance test device of fixed self-cleaning micro-filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911177606.1A CN111054126A (en) | 2019-11-26 | 2019-11-26 | Performance test device of fixed self-cleaning micro-filter |
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| CN111054126A true CN111054126A (en) | 2020-04-24 |
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| CN201911177606.1A Pending CN111054126A (en) | 2019-11-26 | 2019-11-26 | Performance test device of fixed self-cleaning micro-filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112957914A (en) * | 2021-03-15 | 2021-06-15 | 贵州省工程复合材料中心 | Edible fungus polysaccharide separation, impurity removal and purification device and separation, impurity removal and purification process |
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| CN211753005U (en) * | 2019-11-26 | 2020-10-27 | 内蒙古自治区水利科学研究院 | Performance test device of fixed self-cleaning micro-filter |
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| CN101485944A (en) * | 2009-01-07 | 2009-07-22 | 刘琪 | Water filter special for water source heat pump system |
| CN101874944A (en) * | 2010-06-24 | 2010-11-03 | 大连葆光节能空调设备厂 | Full-automatic intellectual anti-block sewage filter net system |
| CN203916243U (en) * | 2014-06-17 | 2014-11-05 | 季新粱 | Auto purification centrifugal type filter |
| CN211753005U (en) * | 2019-11-26 | 2020-10-27 | 内蒙古自治区水利科学研究院 | Performance test device of fixed self-cleaning micro-filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112957914A (en) * | 2021-03-15 | 2021-06-15 | 贵州省工程复合材料中心 | Edible fungus polysaccharide separation, impurity removal and purification device and separation, impurity removal and purification process |
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