CN110038338B - Intelligent sewage-discharging river water multistage filtering device and method - Google Patents
Intelligent sewage-discharging river water multistage filtering device and method Download PDFInfo
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- CN110038338B CN110038338B CN201910403396.7A CN201910403396A CN110038338B CN 110038338 B CN110038338 B CN 110038338B CN 201910403396 A CN201910403396 A CN 201910403396A CN 110038338 B CN110038338 B CN 110038338B
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- 238000001914 filtration Methods 0.000 title claims abstract description 175
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000007599 discharging Methods 0.000 title description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 37
- 239000012535 impurity Substances 0.000 claims abstract description 19
- 239000010865 sewage Substances 0.000 claims description 41
- 238000012544 monitoring process Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims 1
- 230000000737 periodic effect Effects 0.000 abstract description 2
- 239000008235 industrial water Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000011001 backwashing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/603—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by flow measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a river water multistage filtering device and method for intelligent pollution discharge, wherein an A-type electromagnetic control valve is connected with a water inlet of a primary filtering mechanism, and river water flows into the A-type electromagnetic control valve and enters the primary filtering mechanism; one end of the B-type electromagnetic control valve is connected with a water outlet of the primary filtering mechanism, and the other end of the B-type electromagnetic control valve is connected with a water inlet of a secondary filtering lower barrel of the secondary filtering mechanism; the self-cleaning mechanism is arranged on the secondary filtering mechanism. The invention is characterized in that the river water respectively completes the coarse filtration stage and the fine filtration stage of the river water in a primary filtration mode and a secondary filtration mode; meanwhile, because river water in the coarse filtration stage has larger impurities, the mode of cleaning and replacing the filter screen at regular intervals is adopted, and the mode of cleaning the filter screen in the fine filtration stage in a periodic uninterrupted self-cleaning mode is adopted.
Description
Technical Field
The invention relates to an intelligent sewage-discharging river water multistage filtering device and method, and belongs to the technical field of water treatment.
Background
According to investigation, the problems existing in the industrial aspect of China are more at present. Firstly, the water intake of industrial water accounts for about 20% of the total water intake of the whole country, and with the continuous promotion of industrialization, the contradiction between supply and demand of water resources is continuously strengthened; secondly, the industrial water industry in China mainly focuses on the textile industry, the chemical industry, the paper making industry and the metallurgical industry, and the industrial water industry accounts for about 45 percent of the total industrial water intake; finally, the total level of the use efficiency of industrial water in the actual production process of enterprises in China is far lower than the average level in the world, and a large amount of industrial water is directly discharged after being used, so that the environmental pollution is serious.
For enterprises, in the actual production process, especially for enterprises with large industrial water demand, the cost of industrial water has a large proportion in the whole production cost of products, so that a low-cost industrial water mode is used for replacing the mode of purchasing industrial water from water plant companies, thereby reducing the production cost of the enterprises and improving the market competitiveness of the enterprises. There is currently a significant shortage of water resources worldwide, and it is also imperative to make reasonable use of water resources and to provide water resource utilization efficiency. In summary, there is a need for an intelligent river water multi-stage filtering device for sewage disposal to solve the above problems.
Disclosure of Invention
The invention mainly aims to solve the defects of the background technology and designs an intelligent river water multi-stage filtering device and method for discharging sewage, and the intelligent river water multi-stage filtering device and method are characterized in that the river water respectively completes a coarse filtering stage and a fine filtering stage of the river water in a primary filtering mode and a secondary filtering mode; meanwhile, because the river water in the coarse filtration stage has larger impurities, the mode of cleaning and replacing the filter screen at regular intervals is adopted, and the mode of cleaning the filter screen in the fine filtration stage is adopted in a periodic uninterrupted self-cleaning mode, so that the filtered river water can reach the standard of industrial water. The device has the characteristics of compact structure, safety, reliability, easy operation and the like.
In order to achieve the technical features, the invention is realized as follows: a river water multistage filtering device for intelligent sewage discharge comprises an A-type electromagnetic control valve, a primary filtering mechanism, a B-type electromagnetic control valve, a secondary filtering mechanism and a self-cleaning mechanism; the A-type electromagnetic control valve is connected with a water inlet of the primary filtering mechanism, and river water flows into the A-type electromagnetic control valve and enters the primary filtering mechanism; one end of the B-type electromagnetic control valve is connected with a water outlet of the primary filtering mechanism, and the other end of the B-type electromagnetic control valve is connected with a water inlet of a secondary filtering lower barrel of the secondary filtering mechanism; the self-cleaning mechanism is arranged on the secondary filtering mechanism.
The primary filtering mechanism comprises a primary filtering box body, a primary filtering box cover, a plurality of layers of filter screens, a bottom movable plate and a screw; the bottom of the primary filtering box body is provided with a movable plate, and coarse filtering impurities in the primary filtering box body are cleaned regularly by pushing the movable plate; the multilayer filter screen is arranged in the primary filter box body and is used for performing coarse filtration on the river water; the one-level filter tank cover is fixed above the one-level filter tank body through screws, and the multi-layer filter screen in the one-level filter tank cover can be replaced by detaching the one-level filter tank cover.
The secondary filtering mechanism comprises a secondary filtering lower cylinder, a secondary filtering upper cylinder, a cylindrical filter screen, a bracket disc, an A-type bolt and a flow monitoring sensor; the upper secondary filtering barrel is connected with the lower secondary filtering barrel through an A-type bolt, a plurality of cylindrical filter screens are uniformly distributed in the upper secondary filtering barrel, and the top ends of the cylindrical filter screens are fixed through a support plate; the flow monitoring sensor is arranged in a water outlet pipe of the secondary filtering upper cylinder and is used for detecting the flow of the filtered river water.
The self-cleaning mechanism comprises a stepping motor, a transmission shaft, a Y-shaped sewage discharge pipe, a sewage outflow pipe, a rolling bearing, a B-shaped bolt and a motor support frame; the stepping motor is fixedly arranged at the top of the secondary filtering upper cylinder through a motor support frame; one end of the transmission shaft is connected with an output shaft of the stepping motor, and the other end of the transmission shaft is connected with the Y-shaped sewage discharge pipe through a B-shaped bolt; the bottom end of the Y-shaped sewage discharge pipe is sleeved in the rolling bearing and is butted with one end of the sewage outflow pipe.
The filtering and cleaning method of the intelligent sewage draining river water multistage filtering device is characterized by comprising the following steps of:
step 1: in the primary filtering process of the river water, the river water enters a primary filtering box body through an A-type electromagnetic control valve, the river water is coarsely filtered by means of a plurality of layers of filter screens in a primary filtering box cover, and the filtered river water enters a secondary filtering lower cylinder body through a B-type electromagnetic control valve;
step 2: for the impurity cleaning process in the primary filtering process, as river water in the coarse filtering stage has more and larger impurities, the mode of cleaning and replacing the filter screen is adopted regularly, specifically, after closing an A-type electromagnetic control valve and opening a B-type electromagnetic control valve, the impurities in the primary filtering process can be taken out by moving a movable plate at the bottom of a primary filtering box body, and the cleaning of the multilayer filter screen can be completed by opening a primary filtering box cover;
step 3: in the secondary filtering process of the river water, the river water after primary filtering mainly enters a cylindrical filter screen from bottom to top, and enters the secondary filtering upper barrel after being filtered by the cylindrical filter screen, so that the river water flows out of a water outlet of the secondary filtering upper barrel to finish the filtering function of the river water;
step 4: for the intelligent cleaning of impurities in the secondary filtering process, when the flow value detected by a flow monitoring sensor arranged at the water outlet of the secondary filtering upper cylinder body is lower than L1, a stepping motor is started, and the stepping motor drives a Y-shaped sewage discharge pipe to rotate in the secondary filtering lower cylinder body through a transmission shaft; when the branch pipeline of the Y-shaped sewage draining pipe is aligned with the lower end of the cylindrical filter screen in the secondary filtering upper barrel, the water flow in the secondary filtering upper barrel reversely flows into the cylindrical filter screen from the outside of the cylindrical filter screen under the action of pressure difference, and flows out from the sewage outflow pipe after passing through the branch pipeline of the Y-shaped sewage draining pipe, so that the back washing of the cylindrical filter screen is realized; during the operation of the stepping motor driving the rotating shaft, the cylindrical filter screen is repeatedly washed until the flow value detected by the flow monitoring sensor is higher than L1, and the stepping motor stops operating.
The invention has the following beneficial effects:
1. the river water is filtered in a mode of combining primary coarse filtration and secondary fine filtration, so that the river water reaches the standard of industrial water.
2. The flow value of the water outlet is dynamically monitored through the flow monitoring sensor, if the flow value is too low, the stepping motor is automatically started, and the intelligent cleaning of impurities in the secondary filtering process is completed by adopting a water flow pressure difference method.
Drawings
The invention is further illustrated by the following figures and examples.
Figure 1 is an overview of the invention.
FIG. 2 is a general cross-sectional view of the present invention.
In the figure: the device comprises an A-type electromagnetic control valve member 1, a primary filter tank cover 2, a B-type electromagnetic control valve member 3, a secondary filter upper cylinder 4, a motor support frame 5, a stepping motor 6, a flow monitoring sensor 7, a secondary filter lower cylinder 8, a sewage outflow pipe 9, a primary filter tank body 10, a movable plate 11, a screw 12, a B-type bolt 13, a cylindrical filter screen 14, a transmission shaft 15, a support disc 16, an A-type bolt 17, a Y-type sewage discharge pipe 18, a rolling bearing 19 and a multilayer filter screen 20.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-2, an intelligent sewage-discharging river water multistage filtering device comprises an A-type electromagnetic control valve member 1, a primary filtering mechanism, a B-type electromagnetic control valve member 3, a secondary filtering mechanism and a self-cleaning mechanism; the A-type electromagnetic control valve member 1 is connected with a water inlet of the primary filtering mechanism, and river water flows into the A-type electromagnetic control valve member 1 and enters the primary filtering mechanism; one end of the B-type electromagnetic control valve piece 3 is connected with a water outlet of the primary filtering mechanism, and the other end of the B-type electromagnetic control valve piece is connected with a water inlet of a secondary filtering lower cylinder 8 of the secondary filtering mechanism; the self-cleaning mechanism is arranged on the secondary filtering mechanism. The multistage filtering device with the structure can carry out coarse filtering and fine filtering on the river water, and meanwhile, as the impurities of the river water in the coarse filtering stage are large, the mode of regularly cleaning and replacing the filter screen is adopted, and the mode of periodically and uninterruptedly self-cleaning is adopted to clean the screen in the fine filtering stage so as to ensure that the filtered river water reaches the standard of industrial water.
Further, the primary filtering mechanism comprises a primary filtering box body 10, a primary filtering box cover 2, a plurality of layers of filtering screens 20, a bottom movable plate 11 and screws 12; the bottom of the primary filtering box body 10 is provided with a movable plate 11, and coarse filtering impurities in the primary filtering box body 10 are cleaned regularly by pushing the movable plate 11; the multilayer filter screen 20 is arranged inside the first-stage filter box body 10 and is used for performing coarse filtration on river water; one-level rose box lid 2 passes through screw 12 to be fixed in one-level rose box 10 top to can change the multilayer filter screen 20 in one-level rose box lid 2 through dismantling one-level rose box lid 2. Can carry out primary filter to river water through foretell one-level filtering mechanism, and then filter the thick granule in river water, moreover multilayer filter screen 20 can be convenient change.
Further, the secondary filtering mechanism comprises a secondary filtering lower cylinder 8, a secondary filtering upper cylinder 4, a cylindrical filter screen 14, a support disc 16, an A-type bolt 17 and a flow monitoring sensor 7; the secondary filtering upper cylinder body 4 is connected with the secondary filtering lower cylinder body 8 through an A-type bolt 17, a plurality of cylindrical filter screens 14 are uniformly distributed in the secondary filtering upper cylinder body 4, and the top ends of the cylindrical filter screens 14 are fixed through a support disc 16; the flow monitoring sensor 7 is arranged in the water outlet pipe of the secondary filtering upper cylinder body 4 and is used for detecting the flow of the filtered river water. Through foretell secondary filter mechanism can carry out the secondary filter to rivers.
Further, the self-cleaning mechanism comprises a stepping motor 6, a transmission shaft 15, a Y-shaped sewage discharge pipe 18, a sewage outflow pipe 9, a rolling bearing 19, a B-shaped bolt 13 and a motor support frame 5; the stepping motor 6 is fixedly arranged at the top of the secondary filtering upper cylinder 4 through a motor support frame 5; one end of the transmission shaft 15 is connected with an output shaft of the stepping motor 6, and the other end is connected with a Y-shaped sewage discharge pipe 18 through a B-shaped bolt 13; the bottom end of the Y-shaped sewage discharge pipe 18 is sleeved in the rolling bearing 19 and is butted with one end of the sewage outflow pipe 9. With the self-cleaning mechanism with the structure, in the working process, when the flow value detected by the flow monitoring sensor 7 arranged at the water outlet of the secondary filtering upper cylinder 4 is lower than L1, the stepping motor 6 is started, and the stepping motor 6 drives the Y-shaped sewage discharge pipe 18 to rotate in the secondary filtering lower cylinder 8 through the transmission shaft 15; when the branch pipeline of the Y-shaped sewage draining pipe 18 is aligned with the lower end of the cylindrical filter screen 14 in the secondary filtering upper cylinder 4, the water flow in the secondary filtering upper cylinder 4 reversely flows into the cylindrical filter screen 14 from the outside of the cylindrical filter screen 14 under the action of pressure difference, and flows out from the sewage outflow pipe 9 after passing through the branch pipeline of the Y-shaped sewage draining pipe 18, so that the back washing of the cylindrical filter screen 14 is realized; during the operation of the stepping motor 6 driving the rotating shaft, the cylindrical filter 14 is repeatedly washed until the flow value detected by the flow monitoring sensor 7 is higher than L1, and the stepping motor 6 stops operating.
Example 2:
the filtering and cleaning method of the intelligent sewage draining river water multistage filtering device is characterized by comprising the following steps of:
step 1: in the primary filtering process of the river water, the river water enters a primary filtering box body 10 through an A-type electromagnetic control valve element 1, the river water is coarsely filtered by means of a multi-layer filter screen 20 in a primary filter box cover 2, and the filtered river water enters a secondary filtering lower barrel body 8 through a B-type electromagnetic control valve element 3;
step 2: for the impurity cleaning process in the primary filtering process, as river water in the coarse filtering stage has more and larger impurities, the mode of regularly cleaning and replacing the filter screen is adopted, specifically, after the A-type electromagnetic control valve part 1 is closed and the B-type electromagnetic control valve part 3 is opened, the impurities in the primary filtering process can be taken out by moving the movable plate 11 at the bottom of the primary filtering box body 10, and the cleaning of the multilayer filter screen 20 can be completed by opening the primary filtering box cover 2;
step 3: in the secondary filtering process of the river water, the river water after primary filtering mainly enters the cylindrical filter screen 14 from bottom to top, and enters the secondary filtering upper cylinder 4 after being filtered by the cylindrical filter screen 14, so that the river water flows out of a water outlet of the secondary filtering upper cylinder 4 to finish the filtering function of the river water;
step 4: for the intelligent cleaning of impurities in the secondary filtering process, when the flow value detected by a flow monitoring sensor 7 arranged at the water outlet of the secondary filtering upper cylinder 4 is lower than L1, a stepping motor 6 is started, and the stepping motor 6 drives a Y-shaped sewage discharge pipe 18 to rotate in a secondary filtering lower cylinder 8 through a transmission shaft 15; when the branch pipeline of the Y-shaped sewage draining pipe 18 is aligned with the lower end of the cylindrical filter screen 14 in the secondary filtering upper cylinder 4, the water flow in the secondary filtering upper cylinder 4 reversely flows into the cylindrical filter screen 14 from the outside of the cylindrical filter screen 14 under the action of pressure difference, and flows out from the sewage outflow pipe 9 after passing through the branch pipeline of the Y-shaped sewage draining pipe 18, so that the back washing of the cylindrical filter screen 14 is realized; during the operation of the stepping motor 6 driving the rotating shaft, the cylindrical filter 14 is repeatedly washed until the flow value detected by the flow monitoring sensor 7 is higher than L1, and the stepping motor 6 stops operating.
Claims (3)
1. A method for filtering and cleaning a river water multistage filtering device for intelligent sewage discharge comprises an A-type electromagnetic control valve (1), a primary filtering mechanism, a B-type electromagnetic control valve (3), a secondary filtering mechanism and a self-cleaning mechanism; the A-type electromagnetic control valve (1) is connected with a water inlet of the primary filtering mechanism, and river water flows into the A-type electromagnetic control valve (1) and enters the primary filtering mechanism; one end of the B-type electromagnetic control valve (3) is connected with a water outlet of the primary filtering mechanism, and the other end of the B-type electromagnetic control valve is connected with a water inlet of a secondary filtering lower cylinder (8) of the secondary filtering mechanism; the self-cleaning mechanism is arranged on the secondary filtering mechanism;
the primary filtering mechanism comprises a primary filtering box body (10), a primary filtering box cover (2), a plurality of layers of filter screens (20), a bottom movable plate (11) and a screw (12); the bottom of the primary filtering box body (10) is provided with a movable plate (11), and coarse filtering impurities in the primary filtering box body (10) are cleaned regularly by pushing the movable plate (11); the multilayer filter screen (20) is arranged inside the first-stage filter box body (10) and is used for performing coarse filtration on river water; the primary filter tank cover (2) is fixed above the primary filter tank body (10) through screws (12), and the multi-layer filter screen (20) in the primary filter tank cover (2) can be replaced by disassembling the primary filter tank cover (2);
the method is characterized by comprising the following steps:
step 1: in the primary filtering process of the river water, the river water enters a primary filtering box body (10) through an A-type electromagnetic control valve (1), the river water is roughly filtered by means of a multilayer filter screen (20) in a primary filter box cover (2), and the filtered river water flows through a B-type electromagnetic control valve (3) and enters a secondary filtering lower barrel body (8);
step 2: for the impurity cleaning process in the primary filtering process, as river water in the coarse filtering stage has more and larger impurities, a mode of regularly cleaning and replacing the filter screen is adopted, specifically, after an A-type electromagnetic control valve (1) is closed and a B-type electromagnetic control valve (3) is opened, the impurities in the primary filtering process can be taken out by moving a movable plate (11) at the bottom of a primary filtering box body (10), and the cleaning of the multilayer filter screen (20) can be completed by opening a primary filtering box cover (2);
step 3: in the secondary filtering process of the river water, the river water after primary filtering mainly enters the cylindrical filter screen (14) from bottom to top, is filtered by the cylindrical filter screen (14) and then enters the secondary filtering upper cylinder (4), and then flows out from a water outlet of the secondary filtering upper cylinder (4) to finish the filtering function of the river water;
step 4: for intelligently cleaning impurities in the secondary filtering process, when the flow value detected by a flow monitoring sensor (7) arranged at the water outlet of the secondary filtering upper cylinder (4) is lower than L1, starting a stepping motor (6), and driving a Y-shaped sewage discharge pipe (18) to rotate in a secondary filtering lower cylinder (8) by the stepping motor (6) through a transmission shaft (15); when the branch pipeline of the Y-shaped sewage draining pipe (18) is aligned with the lower end of the cylindrical filter screen (14) in the secondary filtering upper cylinder body (4), the water flow in the secondary filtering upper cylinder body (4) reversely flows into the cylindrical filter screen (14) from the outside of the cylindrical filter screen (14) under the action of pressure difference, and flows out from the sewage outflow pipe (9) after passing through the branch pipeline of the Y-shaped sewage draining pipe (18), thereby realizing the back flushing of the cylindrical filter screen (14); during the operation of the stepping motor (6) driving the rotating shaft, the cylindrical filter screen (14) is repeatedly washed until the flow value detected by the flow monitoring sensor (7) is higher than L1, and the stepping motor (6) stops operating.
2. The filtering and cleaning method of the intelligent sewage drainage river water multistage filtering device according to claim 1, characterized in that: the secondary filtering mechanism comprises a secondary filtering lower cylinder (8), a secondary filtering upper cylinder (4), a cylindrical filter screen (14), a support disc (16), an A-shaped bolt (17) and a flow monitoring sensor (7); the secondary filtering upper cylinder (4) is connected with the secondary filtering lower cylinder (8) through an A-type bolt (17), a plurality of cylindrical filter screens (14) are uniformly distributed in the secondary filtering upper cylinder (4), and the top ends of the cylindrical filter screens (14) are fixed through a support plate (16); the flow monitoring sensor (7) is arranged in a water outlet pipe of the secondary filtering upper cylinder body (4) and is used for detecting the flow of the filtered river water.
3. The filtering and cleaning method of the intelligent sewage drainage river water multistage filtering device according to claim 1, characterized in that: the self-cleaning mechanism comprises a stepping motor (6), a transmission shaft (15), a Y-shaped sewage discharge pipe (18), a sewage outflow pipe (9), a rolling bearing (19), a B-shaped bolt (13) and a motor support frame (5); the stepping motor (6) is fixedly arranged at the top of the secondary filtering upper cylinder (4) through a motor support frame (5); one end of the transmission shaft (15) is connected with an output shaft of the stepping motor (6), and the other end of the transmission shaft is connected with a Y-shaped sewage discharge pipe (18) through a B-shaped bolt (13); the bottom end of the Y-shaped sewage discharge pipe (18) is sleeved in the rolling bearing (19) and is butted with one end of the sewage outflow pipe (9) at the same time.
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| WO2011133502A1 (en) * | 2010-04-19 | 2011-10-27 | Novathermal Energy, Llc | High efficiency energy transfer from waste water to building heating and cooling systems |
| CN108579166A (en) * | 2018-06-06 | 2018-09-28 | 三峡大学 | The self-cleaning filter system and control method of new ship are cleaned based on filtering river |
| CN208716992U (en) * | 2018-07-10 | 2019-04-09 | 赣州集盛科技有限责任公司 | A kind of Multistage wastewater filter device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201613053U (en) * | 2010-02-01 | 2010-10-27 | 蔡忠 | Automatic high-efficient backflushing clear water filter |
| WO2011133502A1 (en) * | 2010-04-19 | 2011-10-27 | Novathermal Energy, Llc | High efficiency energy transfer from waste water to building heating and cooling systems |
| CN108579166A (en) * | 2018-06-06 | 2018-09-28 | 三峡大学 | The self-cleaning filter system and control method of new ship are cleaned based on filtering river |
| CN208716992U (en) * | 2018-07-10 | 2019-04-09 | 赣州集盛科技有限责任公司 | A kind of Multistage wastewater filter device |
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