CN116371054A - Cleaning-free water filter with multistage filtering mechanism and use method thereof - Google Patents
Cleaning-free water filter with multistage filtering mechanism and use method thereof Download PDFInfo
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- CN116371054A CN116371054A CN202310613285.5A CN202310613285A CN116371054A CN 116371054 A CN116371054 A CN 116371054A CN 202310613285 A CN202310613285 A CN 202310613285A CN 116371054 A CN116371054 A CN 116371054A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 208
- 238000001914 filtration Methods 0.000 title claims abstract description 68
- 230000007246 mechanism Effects 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 86
- 238000002347 injection Methods 0.000 claims abstract description 62
- 239000007924 injection Substances 0.000 claims abstract description 62
- 239000012535 impurity Substances 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims description 40
- 238000004891 communication Methods 0.000 claims description 38
- 238000005192 partition Methods 0.000 claims description 13
- 230000006698 induction Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 230000009471 action Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000010865 sewage 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
- B01D29/60—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
- B01D29/606—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 pressure 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
- B01D29/50—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
- B01D29/56—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 in series connection
-
- 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
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/6415—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of filtering devices, in particular to a cleaning-free water filter with a multistage filtering mechanism and a using method thereof, wherein the cleaning-free water filter comprises a filter; the filter comprises a shell, a water inlet pipe and a water outlet pipe are arranged on the shell, and the water outlet pipe of the adjacent filter is communicated with the water inlet pipe; the filter also comprises a filtering device, a cleaning device and a pressure sensing mechanism; the filtering device comprises a water filling chamber, a filtering chamber and a drainage chamber; the water injection chamber and the filter chamber are arranged in the shell, and two ends of the filter chamber are respectively communicated with the water injection chamber and the water discharge chamber; the water draining chamber is arranged in the shell; the cleaning device is arranged in the shell; the pressure sensing mechanism is arranged in the shell and is used for sensing the pressure difference between the water filling chamber and the water draining chamber. According to the invention, the function of automatically cleaning impurities in the filter is realized through the filter, the filtering device, the cleaning device and the pressure sensing mechanism, the effect of automatic cleaning without disassembly is achieved, and the problem that the existing filter still needs to be disassembled for cleaning is solved.
Description
Technical Field
The invention relates to the technical field of filter devices, in particular to a cleaning-free water filter with a multistage filter mechanism and a use method thereof.
Background
The filter is an indispensable device on a medium conveying pipeline, and after the filter is used for a certain time, the internal impurities are increased, the filter is required to be disassembled, and the filter is reloaded after being cleaned; however, after the filter is removed, the transport system must be interrupted to stop the transport of the medium, thereby affecting the transport progress and causing cost loss.
For this reason, chinese patent CN113274776B discloses a multi-stage filter system for automatic cleaning and switching and a cleaning and switching method, the multi-stage filter system is a N-stage filter, N is not less than 2, N is a natural number, the multi-stage filter comprises a plurality of single-stage filters, the rear end of each single-stage filter is additionally provided with a sampling port, water quality sensors are respectively arranged, the water quality of the effluent is monitored by the water quality sensors, and the single-stage filter with unqualified water quality of the effluent is subjected to offline cleaning treatment and then is re-online, thus the cycle is performed. According to the automatic cleaning and switching multi-stage filter system and the cleaning and switching method, the single-stage filters can be connected in series, a plurality of filters of the same type or different types can be combined and connected for water filtering operation, the controller controls the single-stage filters to be cleaned to be in a line through the monitored water quality of the effluent, the cleaned single-stage filters are placed at the most downstream, the positions of the other single-stage filters can be continuously filtered without changing, and the circulation is performed, so that the cleaning work of all the single-stage filters can be completed, the shutdown is not needed, the working state of the system is not influenced, the subsequent filtering work is not needed to be interrupted, the filtering efficiency is high, the filtering effect is good, the loss caused by shutdown is reduced, and the automatic cleaning and switching multi-stage filter system is suitable for popularization and use.
However, when the existing filter is cleaned, the existing filter still needs to be detached and reinstalled for working, the cleaning process is complicated, and once a worker does not process the filter for a long time, the filter is blocked, the operation of a conveying system is affected, and a large amount of economic loss is caused.
Disclosure of Invention
In order to solve the problems, the invention provides a cleaning-free water filter with a multistage filtering mechanism and a use method thereof, and solves the problem that the existing filter still needs to be detached for cleaning through the filter, the filtering device, the cleaning device and the pressure sensing mechanism.
In order to solve the problems in the prior art, the invention provides a cleaning-free water filter with a multistage filtering mechanism, which comprises at least two filters and a plurality of filters connected in series; the filter comprises a shell, a water inlet pipe and a water outlet pipe are arranged on the shell, and the water outlet pipe of the adjacent filter is communicated with the water inlet pipe; the filter also comprises a filtering device, a cleaning device and a pressure sensing mechanism; the filtering device comprises a water filling chamber, a filtering chamber and a drainage chamber; the water injection chamber is arranged in the shell and is communicated with the water inlet pipe; the filtering chamber is arranged in the shell and is positioned between the water filling chamber and the water draining chamber, and two ends of the filtering chamber are respectively communicated with the water filling chamber and the water draining chamber; the water draining chamber is arranged in the shell, and two ends of the water draining chamber are respectively communicated with the filtering chamber and the water draining pipe; the cleaning device is arranged in the shell and is used for cleaning impurities accumulated in the filter chamber; the pressure sensing mechanism is arranged in the shell and is used for sensing the pressure difference between the water filling chamber and the water draining chamber.
Preferably, the mounting plate is arranged in the shell; the upper part of the shell is matched with the mounting plate to form a water injection chamber; the filter cartridge is arranged on the mounting plate, the baffle is arranged at the bottom of the filter cartridge, and the baffle is connected with the inner wall of the shell; the mounting plate and the partition plate are matched with the inner wall of the filter cylinder to form a filter chamber; the mounting plate, the partition plate and the shell are matched with the outer wall of the filter cylinder to form a water discharge chamber; the pressure sensing mechanism comprises a sensing tube, a piston and a transmission rod; the induction pipe is arranged on the mounting plate, and two ends of the induction pipe are respectively communicated with the water injection chamber and the drainage chamber; the piston is slidably arranged in the induction tube and is slidably matched with the inner wall of the induction tube; one end of the transmission rod is connected with the piston; the water injection chamber is also provided with a control mechanism for controlling the water injection chamber to be communicated with the filter chamber; the control mechanism is in transmission connection with the transmission rod.
Preferably, the control mechanism comprises a communication control assembly, a straight drain pipe and a pressure gauge; the communication control assembly is arranged in the water injection chamber and used for controlling the opening and closing of the passages of the water injection chamber and the filter chamber; the straight-line pipe is arranged on the shell and is communicated with the water injection chamber; the manometer is installed on the casing and it is used for detecting the pressure in the water injection chamber.
Preferably, the communication control assembly comprises a flashboard and an elastic piece, a fixed lug is arranged on the flashboard, and the transmission rod is connected with the fixed lug; two ends of the elastic piece are respectively connected with the fixed lugs and the mounting plate; the mounting plate is provided with a communication port for communicating the water injection chamber with the filter chamber; when the flashboard is in tight fit with the mounting plate, the flashboard completely shields the communication port; the straight exhaust pipe and the water outlet pipe are respectively provided with a first electromagnetic valve and a second electromagnetic valve.
Preferably, the cleaning device comprises a cleaning assembly comprising a cover, a first rotary drive, a spindle, a mounting frame and a cleaning brush; the sealing cover is arranged at the top end of the shell; the first rotary driver is arranged on the sealing cover; the main shaft is rotatably arranged on the sealing cover and penetrates through the sealing cover to extend to the inside of the shell, and is in transmission connection with the driving end of the first rotary driver; the mounting frame is sleeved on the main shaft; the cleaning brush is mounted on the mounting frame and is in tight fit with the inner wall of the filter cartridge.
Preferably, the cleaning device further comprises an auxiliary assembly and a rotary drive assembly; the auxiliary assembly comprises an annular bracket and an air jet pipe; the annular bracket is rotatably arranged on the partition board; the air ejector tube is arranged on the annular bracket; the rotary driving assembly is arranged inside the shell and is used for driving the annular bracket to rotate.
Preferably, the rotary drive assembly comprises a toothed ring, a second rotary drive and a rotary gear; the toothed ring is sleeved on the annular bracket; the second rotary driver is arranged on the inner wall of the shell; the rotary gear is sleeved on the driving end of the second rotary driver and is in transmission connection with the toothed ring.
Preferably, the mounting plate is provided with a coarse filter screen, and the coarse filter screen is positioned at the communication port and has a shape matched with the shape of the communication port.
Preferably, a drain pipe is arranged at the bottom of the shell, and a third electromagnetic valve is arranged on the drain pipe.
A method of using a no-clean water filter with a multi-stage filter mechanism, comprising the steps of: s1, opening a second electromagnetic valve to perform filtering; s2, when more impurities exist in the filter cartridge, the controller starts the first rotary driver and the second rotary driver to perform cleaning work; s3, when more impurities are accumulated at the bottom of the shell, the controller opens the third electromagnetic valve, and the impurities are discharged through the sewage discharge pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the function of automatically cleaning impurities in the filter is realized through the filter, the filtering device, the cleaning device and the pressure sensing mechanism, the effect of automatic cleaning without disassembly is achieved, and the problem that the existing filter still needs to be disassembled for cleaning is solved.
2. According to the invention, the function of sensing the pressure difference between the water injection chamber and the water discharge chamber is realized through the mounting plate, the filter cartridge, the partition plate, the sensing tube, the piston, the transmission rod and the control mechanism, so that the effect of judging the amount of accumulated impurities in the filter chamber is achieved.
3. The invention realizes the function of cleaning the filter cartridge without stopping the machine through the communication control assembly, the straight discharge pipe and the pressure gauge, and achieves the effect of cleaning the filter cartridge without influencing the medium conveying.
Drawings
Fig. 1 is a schematic perspective view of a no-clean water filter with a multi-stage filter mechanism.
Fig. 2 is a perspective view showing the internal structure of a housing of a filter in a non-cleaning type water filter having a multi-stage filtering mechanism.
Fig. 3 is a schematic cross-sectional view of a filter in a no-clean water filter having a multi-stage filtration mechanism.
Fig. 4 is a schematic perspective cross-sectional view of a filter in a no-clean water filter having a multi-stage filtration mechanism.
Fig. 5 is an enlarged partial schematic view at a in fig. 4.
Fig. 6 is a partially enlarged schematic view at B in fig. 4.
Fig. 7 is an enlarged partial schematic view at C in fig. 4.
Fig. 8 is a perspective view of a communication control assembly in a disposable water filter having a multi-stage filter mechanism with a channel open. The method comprises the steps of carrying out a first treatment on the surface of the
FIG. 9 is a front view of a filter in a no-clean water filter with a multi-stage filter mechanism;
fig. 10 is a perspective view of a communication control assembly in a disposable water filter having a multi-stage filter mechanism with a closed channel.
The reference numerals in the figures are: 1-a filter; 11-a housing; 12-water inlet pipe; 13-a water outlet pipe; 131-a second solenoid valve; 14-a blow-down pipe; 141-a third solenoid valve; 2-a filtering device; 21-a water filling chamber; 211-mounting plates; 22-filtering chamber; 221-a filter cartridge; 23-a drain chamber; 231-separator; 24-coarse filter screen; 3-a cleaning device; 31-a cleaning assembly; 311-capping; 312-a first rotary drive; 313-spindle; 314-mounting frame; 315-cleaning brush; 32-an auxiliary component; 321-an annular bracket; 322-gas lance; 33-a rotary drive assembly; 331-a toothed ring; 332-a second rotary drive; 333-rotating a gear; 4-a pressure sensing mechanism; 41-an induction tube; 42-a piston; 43-a transmission rod; 5-a control mechanism; 51-communication control assembly; 511-a communication port; 512-valve plate; 5121-securing ears; 513-an elastic member; 52-arranging straight pipes; 521-a first solenoid valve; 53-pressure gauge.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1-3: a cleaning-free water filter with a multistage filtering mechanism comprises filters 1, wherein at least two filters 1 are arranged, and a plurality of filters 1 are connected in series; the filter 1 comprises a shell 11, a water inlet pipe 12 and a water outlet pipe 13 are arranged on the shell 11, and the water outlet pipe 13 of the adjacent filter 1 is communicated with the water inlet pipe 12; the filter 1 further comprises a filtering device 2, a cleaning device 3 and a pressure sensing mechanism 4; the filtering device 2 comprises a water filling chamber 21, a filtering chamber 22 and a water draining chamber 23; the water injection chamber 21 is provided in the housing 11 and communicates with the water inlet pipe 12; the filter chamber 22 is arranged in the shell 11 and is positioned between the water filling chamber 21 and the water draining chamber 23, and two ends of the filter chamber 22 are respectively communicated with the water filling chamber 21 and the water draining chamber 23; the water draining chamber 23 is set inside the casing 11 and has two ends communicated with the filtering chamber 22 and the water draining pipe; the cleaning device 3 is arranged in the shell 11 and is used for cleaning impurities accumulated in the filter chamber 22; the pressure sensing mechanism 4 is provided in the housing 11 and is used to sense a pressure difference between the water injection chamber 21 and the water discharge chamber 23.
According to the invention, the function of automatically cleaning impurities in the filter 1 is realized through the filter 1, the filter device 2, the cleaning device 3 and the pressure sensing mechanism 4, the effect of automatic cleaning without disassembly is achieved, and the problem that the existing filter 1 still needs to be disassembled for cleaning is solved. The cleaning device 3 is electrically connected with the controller; the operator starts the water filter, water flows into the water injection chamber 21 through the water inlet pipe 12, then flows into the filtering chamber 22 from the water injection chamber 21 for filtering, enters the water discharge chamber 23 after the filtering is finished, flows into the water inlet pipe 12 of the next-stage filter 1 through the water outlet pipe 13, and further filtering is carried out. In the working process of the water filter, the pressure sensing mechanism 4 continuously injects the pressure difference between the water chamber 21 and the water draining chamber 23, when the filter chamber 22 is piled up with excessive impurities, the flow speed of water flow is slowed down and stays in the filter chamber 22, the water pressure of the water injecting chamber 21 and the water pressure of the filter chamber 22 are increased, the water outlet pipe 13 is smooth, the water in the water draining chamber 23 continuously flows into the downward moving filter 1, the water pressure of the water draining chamber 23 is reduced, the pressure difference is further formed, after the pressure sensing mechanism 4 senses the pressure difference, an operator sends a signal to the cleaning device 3 through the controller, the filter chamber 22 is cleaned, the impurities piled up in the filter chamber 22 are cleaned, the flow of the filter chamber 22 is restored, and the continuous working of the filter 1 is further ensured.
Referring to fig. 1-5, 10: the housing 11 is internally provided with a mounting plate 211; the upper part of the shell 11 and the mounting plate 211 cooperate to form a water injection chamber 21; the mounting plate 211 is provided with a filter cartridge 221, the bottom of the filter cartridge 221 is provided with a baffle 231, and the baffle 231 is connected with the inner wall of the shell 11; the mounting plate 211 and the partition 231 cooperate with the inner wall of the filter cartridge 221 to form the filter chamber 22; the mounting plate 211, the partition 231 and the housing 11 cooperate with the outer wall of the filter cartridge 221 to form a drain chamber 23; the pressure sensing mechanism 4 comprises a sensing tube 41, a piston 42 and a transmission rod 43; the induction pipe 41 is mounted on the mounting plate 211 and both ends thereof are respectively communicated with the water injection chamber 21 and the water discharge chamber 23; the piston 42 is slidably mounted within the sensing tube 41 and is slidably fitted to the inner wall of the sensing tube 41; one end of the transmission rod 43 is connected with the piston 42; the water injection chamber 21 is also internally provided with a control mechanism 5 for controlling the communication between the water injection chamber 21 and the filter chamber 22; the control mechanism 5 is in driving connection with a driving rod 43.
The invention realizes the function of sensing the pressure difference between the water filling chamber 21 and the water draining chamber 23 through the mounting plate 211, the filter cartridge 221, the partition plate 231, the sensing tube 41, the piston 42, the transmission rod 43 and the control mechanism 5, and achieves the effect of judging the amount of accumulated impurities in the filter chamber 22. After the operator starts the water filter, water flows into the water injection chamber 21 through the water inlet pipe 12, then flows into the filter chamber 22 from the water injection chamber 21 through the mounting plate 211, is filtered through the filter cartridge 221 under the action of water pressure, enters the water discharge chamber 23 after being filtered, and flows into the water inlet pipe 12 of the next-stage filter 1 through the water outlet pipe 13 for further filtration. In the working process of the water filter, when excessive impurities are attached to the inner surface of the filter drum 221, water flow cannot smoothly pass through the filter drum 221 and is retained in the filter chamber 22, so that the water pressure of the water injection chamber 21 and the filter chamber 22 is increased, water in the water discharge chamber 23 is continuously discharged through the water outlet pipe 13, the water pressure of the water discharge chamber 23 is reduced, a pressure difference is further formed, the piston 42 moves towards the water discharge chamber 23 under the action of pressure, the transmission rod 43 is driven to move, the transmission rod 43 controls the control mechanism 5 in transmission connection with the transmission rod, the control mechanism 5 is used for closing a channel between the water injection chamber 21 and the filter chamber 22, and a signal is sent to the cleaning device 3 through the controller, the inner surface of the filter drum 221 is cleaned, impurities accumulated in the filter chamber are cleaned, and after the cleaning is finished, the channel between the water injection chamber 21 and the filter chamber 22 is opened through the control mechanism 5, and the filtering work is continued.
Referring to fig. 1 and 3: the control mechanism 5 comprises a communication control assembly 51, an in-line pipe 52 and a pressure gauge 53; the communication control assembly 51 is arranged in the water injection chamber 21 and is used for controlling the opening and closing of the passages of the water injection chamber 21 and the filter chamber 22; the straight drain pipe 52 is mounted on the housing 11 and communicates with the water injection chamber 21; a pressure gauge 53 is mounted on the housing 11 and is used to detect the pressure in the filler chamber 21.
The invention realizes the function of cleaning the filter cylinder 221 without stopping the machine by communicating the control component 51, the straight exhaust pipe 52 and the pressure gauge 53, and achieves the effect of cleaning the filter cylinder 221 without influencing the medium conveying. The pressure gauge 53 is electrically connected with the controller; because the water filter comprises a plurality of filters 1, and the filters 1 are connected in series, when the filters 1 are cleaned, the filtering operation of the filters is only needed to be stopped, and the whole filtering system is not needed to be disconnected; therefore, when more impurities are accumulated in the filter cartridge 221, the passing performance of the filter cartridge 221 is reduced, a pressure difference is formed between the drain chamber 23 and the water injection chamber 21, the piston 42 moves towards the drain chamber 23 under the action of pressure, and then drives the transmission rod 43 to move, the transmission rod 43 controls the communication control assembly 51 in transmission connection with the transmission rod, the communication control assembly 51 closes the passage between the water injection chamber 21 and the filter chamber 22, at the moment, water cannot enter the filter chamber 22, then flows to the next filter 1 through the straight drain pipe 52, meanwhile, the pressure gauge 53 senses the pressure change in the water injection chamber 21, a feedback signal is sent to the controller, the controller sends a signal to the cleaning device 3 to clean the inner surface of the filter cartridge 221, the impurities accumulated in the filter cartridge are cleaned, and after the cleaning is completed, the passage between the water injection chamber 21 and the filter chamber 22 is opened through the control mechanism 5, and the filtering operation is continued.
Referring to fig. 3, 4, 6, 8-10: the communication control assembly 51 comprises a flashboard and an elastic piece 513, a fixed lug 5121 is arranged on the flashboard, and the transmission rod 43 is connected with the fixed lug 5121; two ends of the elastic member 513 are respectively connected with the fixing lugs 5121 and the mounting plate 211; the mounting plate 211 is provided with a communication port 511 for communicating the water filling chamber 21 with the filter chamber 22; when the shutter is in tight fit with the mounting plate 211, the shutter completely shields the communication port 511; the straight drain pipe 52 and the water outlet pipe 13 are respectively provided with a first electromagnetic valve 521 and a second electromagnetic valve 131.
The present invention realizes the function of controlling the flow path of water flow through the communication port 511, the valve plate 512, the first solenoid valve 521 and the second solenoid valve 131, thereby achieving the effect of maintaining the water flow in the filter 1 when cleaning the filter cartridge 221. The first solenoid valve 521 and the second solenoid valve 131 are electrically connected to the controller; when more impurities are accumulated in the filter cartridge 221, the passing performance of the filter cartridge 221 is reduced, a pressure difference is formed between the drain chamber 23 and the water injection chamber 21, the piston 42 moves towards the drain chamber 23 under the action of pressure, the elastic force of the elastic piece 513 is overcome to drive the transmission rod 43 and the flashboard to move, the flashboard is in tight fit with the mounting plate 211 under the action of pressure, the communication port 511 is shielded by the flashboard, the channel between the water injection chamber 21 and the filter chamber 22 is closed, at the moment, water cannot enter the filter chamber 22, meanwhile, the pressure gauge 53 senses the pressure change in the water injection chamber 21, a feedback signal is sent to the controller, the controller sends signals to the first electromagnetic valve 521, the second electromagnetic valve 131 and the cleaning device 3, the channel of the straight drain pipe 52 is opened after the first electromagnetic valve 521 receives the signal, meanwhile, the channel of the water outlet pipe 13 is closed, the water flow is directly discharged from the straight drain pipe 52 after entering the water inlet pipe 12, the cleaning device 3 receives the signal to clean the inner surface of the filter cartridge 221, the impurities accumulated in the filter chamber are cleaned, after the cleaning is completed, the channel between the water injection chamber 21 and the filter chamber 22 is opened through the control mechanism 5, and the filtering work is continued.
Referring to fig. 3, 4, 6 and 9: the cleaning device 3 includes a cleaning assembly 31, the cleaning assembly 31 including a cover 311, a first rotary drive 312, a main shaft 313, a mounting 314, and a cleaning brush 315; the cover 311 is mounted on the top end of the housing 11; the first rotary drive 312 is mounted on the cover 311; the main shaft 313 is rotatably mounted on the cover 311 and extends to the inside of the housing 11 through the cover 311, and the main shaft 313 is in transmission connection with the driving end of the first rotary driver 312; the mounting frame 314 is sleeved on the main shaft 313; the cleaning brush 315 is mounted on the mounting frame 314 and it is in a tight fit with the inner wall of the filter cartridge 221.
The present invention accomplishes the function of cleaning the filter cartridge 221 by means of a cover 311, a first rotary drive 312, a spindle 313, a mounting bracket 314, and a cleaning brush 315. The first rotary drive 312 is preferably a servo motor that is electrically connected to the controller; when more impurities are accumulated in the filter cartridge 221, the passing performance of the filter cartridge 221 is reduced, a pressure difference is formed between the drain chamber 23 and the water injection chamber 21, the piston 42 moves towards the drain chamber 23 under the action of pressure, and then drives the transmission rod 43 to move, the transmission rod 43 controls the communication control assembly 51 in transmission connection with the transmission rod, the communication control assembly 51 closes the passage between the water injection chamber 21 and the filter chamber 22, at the moment, water cannot enter the filter chamber 22, meanwhile, the pressure gauge 53 senses the pressure change in the water injection chamber 21, a feedback signal is sent to the controller, the controller sends a signal to the first electromagnetic valve 521, the second electromagnetic valve 131 and the first rotary driver 312, the first electromagnetic valve 521 opens the passage of the straight drain pipe 52 after receiving the signal, meanwhile, the second electromagnetic valve 131 closes the passage of the water outlet pipe 13, the water enters the water inlet pipe 12 and is directly discharged from the straight drain pipe 52 after the signal is received, the first rotary driver 312 drives the main shaft 313 to rotate, the main shaft 313 drives the mounting frame 314 to rotate, the mounting frame 314 drives the cleaning brush 315 to rotate, the cleaning brush 315 rubs the cleaning brush 221 to clean the inner surface of the filter cartridge 221, impurities in the filter cartridge 221 are accumulated in the filter chamber, after the cleaning is completed, the passage between the filter chamber 21 and the filter chamber 22 is opened through the control mechanism 5, and the filter chamber is continuously filtered.
Referring to fig. 2, 4 and 7: the cleaning device 3 further comprises an auxiliary assembly 32 and a rotary drive assembly 33; the auxiliary assembly 32 includes an annular bracket 321 and gas nozzles 322; the annular bracket 321 is rotatably mounted on the partition 231; the gas nozzles 322 are mounted on the annular support 321; a rotation driving assembly 33 is provided inside the housing 11 and is used to drive the ring support 321 to rotate.
The present invention achieves a function of further improving cleaning efficiency by the ring bracket 321, the gas injection tube 322, and the rotary drive assembly 33. The rotary drive assembly 33 is electrically connected with the controller; the gas lance 322 and the rotary drive assembly 33 are electrically connected to the controller; when more impurities are accumulated in the filter cylinder 221, the passing performance of the filter cylinder 221 is reduced, a pressure difference is formed between the drain chamber 23 and the water injection chamber 21, the piston 42 moves towards the drain chamber 23 under the action of pressure, and then drives the transmission rod 43 to move, the transmission rod 43 controls the communication control assembly 51 in transmission connection with the transmission rod, the communication control assembly 51 closes the passage between the water injection chamber 21 and the filter chamber 22, at the moment, water flow can not enter the filter chamber 22, simultaneously the pressure gauge 53 senses the pressure change in the water injection chamber 21, a feedback signal is fed to the controller, the controller sends a signal to the first electromagnetic valve 521, the second electromagnetic valve 131 and the first rotary driver 312, the first electromagnetic valve 521 opens the passage of the straight drain pipe 52 after receiving the signal, simultaneously the second electromagnetic valve 131 closes the passage of the water outlet pipe 13, the water flow enters the water injection chamber 21 from the water inlet pipe 12 and is directly discharged from the straight drain pipe 52, the first rotary driver 312 drives the main shaft 313 to rotate after receiving the signal, the main shaft 313 drives the mounting bracket 314 to rotate, the cleaning brush 315 drives the cleaning brush 315 to rotate, the impurities accumulated on the inner surface of the filter cylinder 221 are cleaned by friction between the cleaning brush and the filter cylinder 221, simultaneously, the controller sends the signal to the first electromagnetic valve 521 and the second electromagnetic valve 131 to the second electromagnetic valve 33, the air is blown out the air from the air inlet pipe 322 to the air inlet pipe 33 is blown out to the air inlet pipe and then the air inlet pipe 322 is blown out to the air inlet pipe and the air pipe 322, and the air is blown out to the air inlet pipe and the air filter cylinder 322 is blown out to the air, and the air is blown out to the air and the air, and the air filter and the air. And then the air pressure in the drainage chamber 23 is increased, the piston 42 moves upwards under the action of pressure, then the transmission rod 43 is adjusted to move, the driving valve plate 512 is driven to move towards the direction away from the mounting plate 211, the communication port 511 is opened, so that water flow enters the filter chamber 22 from the water injection chamber 21, the controller sends a signal to the first electromagnetic valve 521, the channel at the straight drain pipe 52 is closed, and the filtering operation is continued.
Referring to fig. 2, 4 and 7: the rotary drive assembly 33 includes a toothed ring 331, a second rotary drive 332, and a rotary gear 333; the gear ring 331 is sleeved on the annular bracket 321; the second rotary driver 332 is mounted on the inner wall of the housing 11; the rotary gear 333 is sleeved on the driving end of the second rotary driver 332, and the rotary gear 333 is in transmission connection with the gear ring 331.
The present invention realizes the function of driving the ring bracket 321 to rotate through the gear ring 331, the second rotary driver 332 and the rotary gear 333. The second rotary drive 332 is preferably a servo motor, which is electrically connected to the controller; the controller sends signals to the first electromagnetic valve 521, the second electromagnetic valve 131 and the first rotary driver 312, the first electromagnetic valve 521 opens the channel of the straight drain pipe 52 after receiving the signals, meanwhile, the second electromagnetic valve 131 closes the channel of the water outlet pipe 13, water flow enters the water injection chamber 21 from the water inlet pipe 12 and is directly discharged from the straight drain pipe 52, the first rotary driver 312 receives the signals and drives the main shaft 313 to rotate, the main shaft 313 drives the mounting frame 314 to rotate, the mounting frame 314 drives the cleaning brush 315 to rotate, the cleaning brush 315 rubs with the filter cylinder 221 to clean the inner surface of the filter cylinder 221, impurities accumulated in the inner part are cleaned, meanwhile, the controller sends signals to the second rotary driver 332 and the air injection pipe 322, compressed air is injected to the filter cylinder 221 after receiving the signals, air is injected to the inner surface of the filter cylinder 221 from the outer surface of the filter cylinder 221, the impurities attached to the inner surface of the filter cylinder 221 are blown away, meanwhile, the second rotary driver 332 drives the rotary gear 333 to rotate, the rotary gear 333 drives the toothed ring 331 connected with the rotary gear 333 to rotate, the toothed ring 331 drives the annular bracket 321 to rotate, and the annular bracket 321 drives the air injection pipe 322 to rotate, and the filter cylinder 322 to clean the filter cylinder 221 comprehensively, and the filter cylinder 221 is cleaned.
Referring to fig. 2, 4 and 6: the attachment plate 211 is provided with a coarse filter screen 24, and the coarse filter screen 24 is positioned at the communication port 511 and has a shape matching the shape of the communication port 511.
The invention realizes the function of preliminary filtering of water flow through the coarse filter screen 24. After entering the shell 11 from the water inlet pipe 12, the water flow reaches the water injection chamber 21, then is preliminarily filtered through the coarse filter screen 24 at the communication port 511, then enters the filter chamber 22, and is further filtered through the filter cartridge 221, so that the filtering quality and the filtering efficiency of the filtering device 2 are optimized, the filter cartridge 221 is prevented from being blocked by large-volume impurities, and the working stability of the filtering device 2 is improved.
Referring to fig. 1 and 9: a drain pipe 14 is installed at the bottom of the housing 11, and a third solenoid valve 141 is installed on the drain pipe 14.
The invention realizes the function of cleaning the impurities at the bottom of the filtering chamber 22 through the drain pipe 14 and the third electromagnetic valve 141. After the cleaning device deposits impurities adhering to the inner surface of the filter cartridge 221 on the bottom of the housing 11 by gravity, when the impurities are more deposited, the controller sends a signal to the third solenoid valve 141 to open the drain pipe 14, and the impurities deposited on the bottom of the housing 11 are discharged through the drain pipe 14.
Referring to fig. 1-3: a method of using a no-clean water filter with a multi-stage filter mechanism, comprising the steps of: s1, opening a second electromagnetic valve 131 to perform filtering operation; s2, when the impurities in the filter cartridge 221 are more, the controller starts the first rotary driver 312 and the second rotary driver 332 to perform cleaning work; s3, when more impurities are accumulated at the bottom of the shell 11, the controller opens the third electromagnetic valve 141, and the impurities are discharged through the drain pipe 14.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A no-clean water filter with a multistage filtering mechanism, comprising a filter (1); at least two filters (1) are arranged, and a plurality of filters (1) are connected in series;
the filter (1) comprises a housing (11);
a water inlet pipe (12) and a water outlet pipe (13) are arranged on the shell (11), and the water outlet pipe (13) of the adjacent filter (1) is communicated with the water inlet pipe (12);
the filter is characterized in that the filter (1) also comprises a filtering device (2), a cleaning device (3) and a pressure sensing mechanism (4);
the filtering device (2) comprises a water injection chamber (21), a filtering chamber (22) and a drainage chamber (23);
the water injection chamber (21) is arranged in the shell (11) and is communicated with the water inlet pipe (12);
the filtering chamber (22) is arranged in the shell (11), and the filtering chamber (22) is positioned between the water filling chamber (21) and the water draining chamber (23);
both ends of the filtering chamber (22) are respectively communicated with the water injection chamber (21) and the drainage chamber (23);
the drainage chamber (23) is arranged in the shell (11), and two ends of the drainage chamber (23) are respectively communicated with the filtering chamber (22) and the drainage pipe;
the cleaning device (3) is arranged in the shell (11) and is used for cleaning impurities accumulated in the filter chamber (22);
the pressure sensing mechanism (4) is arranged in the shell (11) and is used for sensing the pressure difference between the water filling chamber (21) and the water draining chamber (23).
2. A no-clean water filter with a multistage filtering mechanism according to claim 1, characterized in that the housing (11) has a mounting plate (211) mounted inside;
the upper part of the shell (11) is matched with the mounting plate (211) to form a water injection chamber (21);
a filter cartridge (221) is mounted on the mounting plate (211), a partition plate (231) is mounted at the bottom of the filter cartridge (221), and the partition plate (231) is connected with the inner wall of the shell (11);
the mounting plate (211) and the partition plate (231) are matched with the inner wall of the filter cylinder (221) to form a filter chamber (22);
the mounting plate (211), the partition plate (231) and the shell (11) are matched with the outer wall of the filter cartridge (221) to form a water discharge chamber (23);
the pressure sensing mechanism (4) comprises a sensing tube (41), a piston (42) and a transmission rod (43);
the induction pipe (41) is arranged on the mounting plate (211) and two ends of the induction pipe are respectively communicated with the water injection chamber (21) and the drainage chamber (23);
the piston (42) is slidably arranged in the induction tube (41) and is slidably matched with the inner wall of the induction tube (41);
one end of a transmission rod (43) is connected with the piston (42);
a control mechanism (5) for controlling the communication between the water injection chamber (21) and the filter chamber (22) is also arranged in the water injection chamber (21);
the control mechanism (5) is in transmission connection with the transmission rod (43).
3. A no-clean water filter with a multistage filtering mechanism according to claim 2, characterized in that the control mechanism (5) comprises a communication control assembly (51), an inline pipe (52) and a pressure gauge (53);
the communication control assembly (51) is arranged in the water injection chamber (21) and is used for controlling the opening and closing of the passages of the water injection chamber (21) and the filter chamber (22);
the straight drain pipe (52) is arranged on the shell (11) and is communicated with the water injection chamber (21);
a pressure gauge (53) is mounted on the housing (11) and is used to detect the pressure in the filler chamber (21).
4. A no-clean water filter with a multistage filtering mechanism according to claim 3, characterized in that the communication control assembly (51) comprises a shutter plate and an elastic member (513), the shutter plate is provided with a fixing lug (5121), and the transmission rod (43) is connected with the fixing lug (5121);
two ends of the elastic piece (513) are respectively connected with the fixing lug (5121) and the mounting plate (211);
the mounting plate (211) is provided with a communication port (511) for communicating the water injection chamber (21) and the filter chamber (22);
when the flashboard is in tight fit with the mounting plate (211), the flashboard completely shields the communication port (511);
a first electromagnetic valve (521) and a second electromagnetic valve (131) are respectively arranged on the straight exhaust pipe (52) and the water outlet pipe (13).
5. A no-clean water filter with a multistage filtering mechanism according to claim 2, characterized in that the cleaning device (3) comprises a cleaning assembly (31), the cleaning assembly (31) comprising a cover (311), a first rotary drive (312), a spindle (313), a mounting frame (314) and a cleaning brush (315);
the sealing cover (311) is arranged at the top end of the shell (11);
a first rotary drive (312) is mounted on the cover (311);
the main shaft (313) is rotatably arranged on the sealing cover (311) and extends to the inside of the shell (11) through the sealing cover (311), and the main shaft (313) is in transmission connection with the driving end of the first rotary driver (312);
the mounting frame (314) is sleeved on the main shaft (313);
the cleaning brush (315) is mounted on the mounting frame (314) and is in tight fit with the inner wall of the filter cartridge (221).
6. A no-clean water filter with a multistage filtering mechanism according to claim 5, characterized in that the cleaning device (3) further comprises an auxiliary assembly (32) and a rotary drive assembly (33);
the auxiliary assembly (32) comprises an annular bracket (321) and an air jet pipe (322);
the annular bracket (321) is rotatably arranged on the partition plate (231);
the air injection pipe (322) is arranged on the annular bracket (321);
a rotary drive assembly (33) is disposed within the housing (11) and is configured to drive the toroidal support (321) in rotation.
7. A no-clean water filter with a multistage filtering mechanism according to claim 6, characterized in that the rotary drive assembly (33) comprises a toothed ring (331), a second rotary drive (332) and a rotary gear (333);
the toothed ring (331) is sleeved on the annular bracket (321);
the second rotary driver (332) is mounted on the inner wall of the housing (11);
the rotary gear (333) is sleeved on the driving end of the second rotary driver (332), and the rotary gear (333) is in transmission connection with the toothed ring (331).
8. A non-cleaning water filter with a multistage filtering mechanism according to claim 4, characterized in that the mounting plate (211) is provided with a coarse filter screen (24), the coarse filter screen (24) is located at the communication port (511) and the shape of the coarse filter screen is matched with the shape of the communication port (511).
9. A no-clean water filter with a multistage filtering mechanism according to claim 1, characterized in that the bottom of the housing (11) is fitted with a drain pipe (14), and the drain pipe (14) is fitted with a third solenoid valve (141).
10. A method of using a no-clean water filter having a multi-stage filter mechanism, according to any one of claims 1-9, comprising the steps of:
s1, opening a second electromagnetic valve (131) to perform filtering operation;
s2, when the impurities in the filter cartridge (221) are more, the controller starts the first rotary driver (312) and the second rotary driver (332) to perform cleaning work;
s3, when more impurities are accumulated at the bottom of the shell (11), the controller opens the third electromagnetic valve (141) and discharges the impurities through the blow-down pipe (14).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310613285.5A CN116371054B (en) | 2023-05-29 | 2023-05-29 | Cleaning-free water filter with multistage filtering mechanism and use method thereof |
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| CN202310613285.5A CN116371054B (en) | 2023-05-29 | 2023-05-29 | Cleaning-free water filter with multistage filtering mechanism and use method thereof |
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| CN116371054B CN116371054B (en) | 2023-08-29 |
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Cited By (1)
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| CN118079523A (en) * | 2024-04-26 | 2024-05-28 | 连云港瑞良环保科技有限公司 | Multi-unit large-drift-diameter full-automatic water filter convenient to maintain |
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| US5723051A (en) * | 1994-12-23 | 1998-03-03 | Filterwerk Mann & Hummel Gmbh | Gap filter for liquids or gases |
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| CN116371054B (en) | 2023-08-29 |
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