CN205031972U - Self -cleaning filter of back flush linkage - Google Patents
Self -cleaning filter of back flush linkage Download PDFInfo
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- CN205031972U CN205031972U CN201520644331.9U CN201520644331U CN205031972U CN 205031972 U CN205031972 U CN 205031972U CN 201520644331 U CN201520644331 U CN 201520644331U CN 205031972 U CN205031972 U CN 205031972U
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- filter
- backwash
- cleaning
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Abstract
The utility model relates to a foul solution treatment facility technical field especially relates to self -cleaning filter of back flush linkage, including controlling means, first filter and second filter, first filter and second filter all include filter housing and cartridge filter, filter housing's bottom is equipped with blow off pipe and foul solution entry, filter housing's lateral wall is equipped with the export of clean liquid, first filter and second filter are still including motor and back flush mechanism, back flush mechanism includes back flush entry and the portion of washing, the portion of washing is equipped with the nozzle, the nozzle is towards the outer wall of cartridge filter, the output shaft is hollow structure, the back flush entry communicates with the top of output shaft, the inlet end of back flush entry is equipped with the backwash valve, all be equipped with pressure switch in the cartridge filter of first filter, the cartridge filter of second filter, pressure switch is connected with the controlling means electricity. The utility model discloses a receive that dirty volume is big, the cartridge filter difficult blockked up and can accomplish completely constantly to flow through strain, realize the function of self - cleaning blowdown.
Description
Technical field
The utility model relates to soiling solution processing equipment technical field, particularly relates to a kind of backwash interlock self-cleaning filter.
Background technology
Process of metal working needs to consume a large amount of water base cooling fluid, and in the process of metal cutting process, often can produce the foreign material such as some thin chips, metal dust and emery wheel powder, and these foreign material are mostly mixed in cooling fluid.
The easy blocking pipeline of these type of foreign material, damages the sealing of pump; Foreign material are deposited in bottom oil sump, coalescent with organic matter, form the beds of precipitation that one deck has a large amount of pore, and for microbial reproduction provides advantage, the breeding of a large amount of microorganism can cause cooling fluid smelly rotten, then causes cooling fluid not recycle.
In prior art, the general filter screen type filter that adopts filters soiling solution; its pollutant holding capability is less; in addition the soiling solution that intermetallic composite coating produces contains a large amount of impurity; after screen pack uses a period of time; very many impurity will be adhered on filter screen; these impurity can affect the rate of filtration and the filter efficiency of screen pack; even screen pack blocking cannot be filtered; therefore; need to be disassembled by screen pack in time to clean, this will shut down replacing screen pack, and impact is normally produced; cost is higher simultaneously, and replacing construction is longer.
Summary of the invention
In order to overcome the shortcoming and defect existed in prior art, the purpose of this utility model is to provide a kind of backwash to link self-cleaning filter, its pollutant holding capability greatly, not easily blocked and filtrations that continue to flow completely can be accomplished, realize the function of automatically cleaning blowdown.
For achieving the above object, the technical solution of the utility model is as follows.
A kind of backwash interlock self-cleaning filter, comprise the first filter and the second filter, first filter and the second filter include filter housings and are arranged at the cartridge filter in filter housings, the bottom of filter housings is provided with blow-off pipe and soiling solution entrance, blow-off pipe is communicated with cartridge filter respectively with soiling solution entrance, the liquid feeding end of soiling solution entrance is provided with soiling solution control valve, the outlet end of blow-off pipe is provided with blowoff valve, the sidewall of filter housings is provided with the outlet of clean liquid, the outlet end of clean liquid outlet is provided with clean hydraulic control valve, described first filter and the second filter also include motor and are arranged at the backwash mechanism in filter housings, the rinse part that backwash mechanism comprises backwash entrance and is connected with the output shaft of motor, rinse part is provided with nozzle, nozzle is towards the outer wall of described cartridge filter, described output shaft is hollow structure, described backwash entrance is communicated with the top of output shaft, the inlet end of described backwash entrance is provided with backwash valve,
Described backwash interlock self-cleaning filter also includes control device, and be respectively arranged with pressure switch in the cartridge filter of described first filter, the cartridge filter of described second filter, pressure switch is electrically connected with control device.
Wherein, the clean liquid outlet of described first filter exports by pipeline communication with the clean liquid of described second filter, and the end of pipeline is connected with clean liquid case.
Wherein, described backwash mechanism also comprises the soil pick-up portion being arranged at cartridge filter inside, and soil pick-up portion is connected with described output shaft, and soil pick-up portion is provided with suction nozzle, suction nozzle towards described cartridge filter inwall and just to described nozzle.
Wherein, described soil pick-up portion comprises central shaft and is arranged at the dirt sucking tube of central shaft sidewall, and dirt sucking tube is communicated with central shaft, and the outer end of dirt sucking tube is provided with described suction nozzle.
Wherein, described output the tip of the axis is connected with the central shaft of hollow, and central shaft is not communicated with mutually with output shaft, described soil pick-up portion comprises dirt sucking tube, described suction nozzle is positioned at one end of described dirt sucking tube, and the other end of dirt sucking tube is connected with the sidewall of described central shaft, and dirt sucking tube is communicated with central shaft.
Wherein, described rinse part comprises cleaning hose, and one end of cleaning hose is opened in the medial surface of described cleaning hose with being communicated with of described output shaft, described nozzle.
Wherein, described backwash mechanism also includes Clean Brush for cleaning, and Clean Brush for cleaning is connected with described central shaft, and the hairbrush face of Clean Brush for cleaning and the inwall of described cartridge filter offset.
Wherein, described Clean Brush for cleaning is rectangular, and described rinse part is inverted U-shaped, and the angle formed between the Clean Brush for cleaning of rectangle and inverted U-shaped rinse part is acute angle or right angle.
Wherein, the bottom of described filter housings is provided with ultrasonic cleaner, and ultrasonic cleaner is electrically connected with described control device.
Wherein, described cartridge filter is the cylindric stainless steel filter cylinder that top is airtight, bottom is uncovered.
The beneficial effects of the utility model: when the first filter is when filtering, impurity is then discharged carrying out backwash work by the second filter; When the second filter filters, impurity is then discharged carrying out backwash work by the first filter.The operation principle of backwash is: starter motor, compressed air is passed in backwash entrance, under the drive of output shaft, the rinse part of backwash mechanism rotates around the outer wall of cartridge filter, now, compressed air enters rinse part by output shaft and sprays from nozzle at high speeds, owing to there is a small amount of clean liquid between cartridge filter outer wall and filter housings, the compressed air of nozzle ejection is mixed to form gas-liquid mixed flow body with a small amount of clean liquid, gas-liquid is mixed fluid high-speed and is sprayed to the outer wall of cartridge filter and the inwall of impurity spray from cartridge filter, then pass through outside blow-off pipe discharge filter.
First filter of the present utility model and the second filter control respectively by control device and setting pressure switch, realize automatically switch filtration, dirt eliminating function, there is good filter effect and sewage backwash ability, reach completely online process, automaticity is high, is widely used.The pollutant holding capability of backwash interlock self-cleaning filter of the present utility model is large, and cartridge filter is not easily blocked, and backwash mechanism has backwashing self-cleaning function, can automatically clean without the need to dismantling cartridge filter, cleaning force is strong, and structure is simple, working (machining) efficiency is high, is conducive to reducing costs.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model.
Fig. 2 is decomposition texture schematic diagram of the present utility model.
Fig. 3 is theory diagram of the present utility model.
Reference numeral comprises:
10-the first filter 20-the second filter 1-filter housings
13-clean liquid the outlet of 11-blow-off pipe, 12-soiling solution entrance
2-cartridge filter, 3-motor, 31-output shaft
4-backwash mechanism, 41-backwash entrance, 42-rinse part
421-nozzle, 422-cleaning hose, 43-soil pick-up portion
431-suction nozzle, 432-dirt sucking tube, 433-central shaft
5-Clean Brush for cleaning, 6-ultrasonic cleaner, 7-clean liquid case
8-scrap case.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, be further described the utility model below in conjunction with embodiment and accompanying drawing, the content that embodiment is mentioned is not to restriction of the present utility model.
Embodiment 1
As Figure 1-3, the backwash interlock self-cleaning filter of the present embodiment, comprise the first filter 10 and the second filter 20, the cartridge filter 2 that first filter 10 and the second filter 20 include filter housings 1 and be arranged in filter housings 1, the bottom of filter housings 1 is provided with blow-off pipe 11 and soiling solution entrance 12, blow-off pipe 11 is communicated with cartridge filter 2 respectively with soiling solution entrance 12, the liquid feeding end of soiling solution entrance 12 is provided with soiling solution control valve, the outlet end of blow-off pipe 11 is provided with blowoff valve, the sidewall of filter housings 1 is provided with clean liquid outlet 13, the outlet end of clean liquid outlet 13 is provided with clean hydraulic control valve, the backwash mechanism 4 that first filter 10 and described second filter 20 also include motor 3 and be arranged in filter housings 1, the rinse part 42 that backwash mechanism 4 comprises backwash entrance 41 and is connected with the output shaft 31 of motor 3, rinse part 42 is provided with nozzle 421, nozzle 421 is towards the outer wall of described cartridge filter 2, described output shaft 31 is hollow structure, described backwash entrance 41 is communicated with the top of output shaft 31, the inlet end of described backwash entrance 41 is provided with backwash valve,
Described backwash interlock self-cleaning filter also includes control device, and be respectively arranged with pressure switch in the cartridge filter 2 of described first filter 10, the cartridge filter 2 of described second filter 20, pressure switch is electrically connected with control device.The clean liquid outlet of described first filter 10 of the present embodiment exports by pipeline communication with the clean liquid of described second filter 20, and the end of pipeline is connected with clean liquid case 7.Described blow-off pipe is connected with scrap case 8.
During use, soiling solution enters the first filter 10, second filter 20 inside by soiling solution entrance 12 through soiling solution control valve and also filters from inside to outside respectively, impurity is filtered cylinder 2 and tackles, and the clean liquid through cartridge filter 2 exports 13 through clean hydraulic control valve by clean liquid and flow to clean liquid case 7.Because impurity buildups forms impurity screening layer at the inwall of cartridge filter 2, therefore just define a pressure reduction in the inside and outside both sides of cartridge filter, the impurity amount of being blocked is more, and pressure reduction is higher.
When pressure reaches setting pressure, the soiling solution control valve of the first filter 10 is closed, and open the soiling solution control valve of the second filter 20, soiling solution enters the second filter 20 and filters.By the clean hydraulic control valve of the second filter 20, the backwash valve of the first filter 10, the blowoff valve of the first filter 10 is opened simultaneously, from the clean liquid that the second filter 20 flows out, major part flow to clean liquid case 7 from clean liquid outlet 13, fraction flow in the first filter 10 through pipeline, and (blowoff valve of the first filter 10 open rear cartridge filter 2 inside pressure reduce immediately) is outside in permeated to the cartridge filter of the first filter 10, pressure is produced to the impurity of cartridge filter 2 inwall sticking to the first filter 10, impurity pressure from cartridge filter 2 inwall, then discharged outside the first filter 10 by blow-off pipe 11.
Meanwhile, compressed air flows into from the backwash entrance 41 of the first filter 10, compressed air and the clean liquid provided by the second filter 20 form gas-liquid mixed flow body, the first filter 10 is entered through backwash valve, and sprayed at a high speed by the nozzle 421 of rinse part 42, because the pressure of the pressure ratio outside of cartridge filter 2 inside of the first filter 10 is low, gas-liquid mixed flow body forms brute force to cartridge filter 2 and washes away, and the impurity of cartridge filter 2 inwall sticking to the first filter 10 is washed from filter cylinder inwall.
When reaching setting value to the scavenging period of the first filter 10 (when differential pressure reaches setting value), then the backwash process of the first filter 10 terminates, the recoil valve of the first filter 10 and clean hydraulic control valve are closed, filtration system enters normal filtration program, until the second filter 20 needs backwash.
Backwash principle of the present utility model is: starter motor 3, compressed air is passed in backwash entrance 41, under the drive of output shaft 31, the rinse part 42 of backwash mechanism 4 rotates around the outer wall of cartridge filter 2, now, compressed air enters rinse part 42 by output shaft 31 and sprays at a high speed from nozzle 421, owing to there is a small amount of clean liquid between cartridge filter 2 outer wall and filter housings 1, the compressed air that nozzle 421 sprays is mixed to form gas-liquid mixed flow body with a small amount of clean liquid, gas-liquid is mixed fluid high-speed and is sprayed to the outer wall of cartridge filter 2 and impurity is sprayed the inwall from cartridge filter 2, then by outside blow-off pipe 11 discharge filter.
Preferably, first filter 10 of the present embodiment is identical with the structure of the second filter 20.
First filter 10 of the present utility model and the second filter 20 control respectively by control device and setting pressure switch, realize automatically switch filtration, dirt eliminating function, there is good filter effect and sewage backwash ability, reach completely online process, automaticity is high, is widely used.The pollutant holding capability of backwash interlock self-cleaning filter is large, and cartridge filter is not easily blocked, and backwash mechanism has backwashing self-cleaning function, can automatically clean without the need to dismantling cartridge filter, and cleaning force is strong, and structure is simple, and working (machining) efficiency is high, is conducive to reducing costs.
The backwash mechanism 4 of the present embodiment also comprises the soil pick-up portion 43 being arranged at cartridge filter 2 inside, and soil pick-up portion 43 is connected with described output shaft 31, and soil pick-up portion 43 is provided with suction nozzle 431, suction nozzle 431 towards described cartridge filter 2 inwall and just to described nozzle 421.Because each suction nozzle 431 concentric with nozzle 421 is low because of pressure, be easy to accept the impurity under being washed, and along with liquid through blow-off pipe 11 by outside blowoff valve outflow filter, avoid by spray from impurity fall back in cartridge filter 2, automatically cleaning is effective.Meanwhile, the motor started, rotarily drives nozzle 421 and suction nozzle 431 rotates simultaneously, and two all combine wall energy super backflush wash clean in filter cylinder 2.
The soil pick-up portion 43 of the present embodiment comprises central shaft 433 and is arranged at the dirt sucking tube 432 of central shaft 433 sidewall, and dirt sucking tube 432 is communicated with central shaft 433, and the outer end of dirt sucking tube 432 is provided with described suction nozzle 431.Further, described blow-off pipe 11 is communicated with the end of described central shaft 433, by spray from impurity adsorbed by suction nozzle 431 after, enter blow-off pipe 11 again outside discharge filter by central shaft 433, structure is simple, and cleaning effect is good.Preferably, described central shaft 433 and described dirt sucking tube 432 one-body molded, the structure in soil pick-up portion 43 is simple, and structural stability is strong.
More preferably, the quantity of described dirt sucking tube 432 is multiple, multiple dirt sucking tube 432 is longitudinally arranged in the sidewall of described central shaft 433, the quantity of dirt sucking tube 432 is equal with the quantity of described nozzle 421, guarantee by suction nozzle 431 spray from impurity fully adsorbed by suction nozzle 431, and outside smooth discharge filter, avoid impurities left in the bottom of cartridge filter 2, cleaning effect is good.
The rinse part 42 of the present embodiment comprises cleaning hose 422, one end of cleaning hose 422 and being communicated with of described output shaft 31, and described nozzle 421 is opened in the medial surface of described cleaning hose 422, and the structure of rinse part 42 is simple, is convenient to machine-shaping.Preferably, the quantity of described nozzle 421 is multiple, and multiple nozzle 421 is longitudinally arranged in the medial surface of described cleaning hose 422, guarantees that the spray regime of suction nozzle 431 covers the outer wall of whole cartridge filter 2, and clean comprehensive, thorough, cleaning effect is good.
More preferably, the internal diameter of described suction nozzle 431 is equal with the internal diameter of described nozzle 421, guarantee by gas-liquid mix fluid high-speed spray from impurity all adsorbed by suction nozzle 431, avoid because of in suction nozzle 431 through too small and cause impurity cannot by the situation of fully adsorbing.
The quantity of the cleaning hose 422 of the present embodiment is at least two, two symmetrically arranged cleaning hoses 422 are in inverted U-shaped, the output shaft 31 of motor 3 often revolves and turns around, namely the outer wall of cartridge filter 2 is rinsed pipe 422 high velocity jet twice, structure is simple, working (machining) efficiency is high, shortens cleaning time, extends the service life of motor 3.Preferably, described motor 3 is reducing motor.
The backwash mechanism 4 of the present embodiment also includes Clean Brush for cleaning 5, and Clean Brush for cleaning 5 is connected with described central shaft 433, and the hairbrush face of Clean Brush for cleaning 5 and the inwall of described cartridge filter 2 offset.Clean Brush for cleaning 5 is set at cartridge filter 2 inwall, can be rotated by the rotation of central shaft 433, the impurity of cartridge filter 2 inner wall surface effectively be brushed down, avoids impurities left on cartridge filter 2 inwall, promote backwash cleaning effect of the present utility model further.
The Clean Brush for cleaning 5 of the present embodiment is rectangular, described rinse part 42 is in inverted U-shaped, the angle formed between the Clean Brush for cleaning 5 of rectangle and inverted U-shaped rinse part 42 is acute angle or right angle, preferably, described angle is 30 °, when output shaft 31 is with central shaft 433 to rotate, Clean Brush for cleaning 5 and rinse part 42 rotate simultaneously, Clean Brush for cleaning 5 first the impurity of cartridge filter 2 inwall is carried out scraping from, the nozzle 421 of rinse part 42 sprays compressed air to cartridge filter 2 outer wall immediately, greatly strengthen the Scavenging activity of impurity, effectively avoid impurity in the residue problem of cartridge filter 2 inwall.
The bottom of the filter housings 1 of the present embodiment is provided with ultrasonic cleaner 6, and ultrasonic cleaner 6 is electrically connected with described control device.The inwall of ultrasonic cleaner 6 alignment filter cylinder 2 carries out Ultrasonic Cleaning, can effectively stop the impurities adhere of cartridge filter 2 inside on the inwall of cartridge filter 2, there is good cleaning action to the inwall of cartridge filter 2, be conducive to extending the normal filtration time, effectively stop impurities adhere on cartridge filter 2.
The cartridge filter 2 of the present embodiment is the cylindric stainless steel filter cylinder that top is airtight, bottom is uncovered.The filtering accuracy of stainless steel filter cylinder is high, can meet the contaminant filter of 1-3000 micron, applied widely, and not easily by rustization, avoid polluting soiling solution to be filtered, crudy is high.
Embodiment 2
The difference of the present embodiment and embodiment 1 is: the end of the output shaft 31 of the present embodiment is connected with the central shaft 433 of hollow, central shaft 433 is not communicated with mutually with output shaft 31, described soil pick-up portion 43 comprises dirt sucking tube 432, described suction nozzle 431 is positioned at one end of described dirt sucking tube 432, the other end of dirt sucking tube 432 is connected with the sidewall of described central shaft 433, and dirt sucking tube 432 is communicated with central shaft 433.Preferably, central shaft 433 is one-body molded with output shaft 31, under the drive of output shaft 31, can realize the synchronous rotary of rinse part 42 and dirt sucking tube 432, and structure is simple, and realize an edge injection, collect impurity, cleaning performance is good.
All the other contents of the present embodiment are identical with embodiment 1, repeat no more here.
Known the utility model is have above-described good characteristic in sum, is made it in use, promotes in conventional art the usefulness that do not have and has practicality, becoming the product that has practical value.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (10)
1. a backwash interlock self-cleaning filter, comprise the first filter and the second filter, first filter and the second filter include filter housings and are arranged at the cartridge filter in filter housings, the bottom of filter housings is provided with blow-off pipe and soiling solution entrance, blow-off pipe is communicated with cartridge filter respectively with soiling solution entrance, the liquid feeding end of soiling solution entrance is provided with soiling solution control valve, the outlet end of blow-off pipe is provided with blowoff valve, the sidewall of filter housings is provided with the outlet of clean liquid, the outlet end of clean liquid outlet is provided with clean hydraulic control valve, it is characterized in that: described first filter and described second filter also include motor and be arranged at the backwash mechanism in filter housings, the rinse part that backwash mechanism comprises backwash entrance and is connected with the output shaft of motor, rinse part is provided with nozzle, nozzle is towards the outer wall of described cartridge filter, described output shaft is hollow structure, described backwash entrance is communicated with the top of output shaft, the inlet end of described backwash entrance is provided with backwash valve, described backwash interlock self-cleaning filter also includes control device, and be respectively arranged with pressure switch in the cartridge filter of described first filter, the cartridge filter of described second filter, pressure switch is electrically connected with control device respectively.
2. a kind of backwash interlock self-cleaning filter according to claim 1, is characterized in that: the clean liquid outlet of described first filter exports by pipeline communication with the clean liquid of described second filter, and the end of pipeline is connected with clean liquid case.
3. a kind of backwash interlock self-cleaning filter according to claim 1, it is characterized in that: described backwash mechanism also comprises the soil pick-up portion being arranged at cartridge filter inside, soil pick-up portion is connected with described output shaft, soil pick-up portion is provided with suction nozzle, suction nozzle towards described cartridge filter inwall and just to described nozzle.
4. a kind of backwash interlock self-cleaning filter according to claim 3, is characterized in that: described soil pick-up portion comprises central shaft and is arranged at the dirt sucking tube of central shaft sidewall, and dirt sucking tube is communicated with central shaft, and the outer end of dirt sucking tube is provided with described suction nozzle.
5. a kind of backwash interlock self-cleaning filter according to claim 3, it is characterized in that: described output the tip of the axis is connected with the central shaft of hollow, central shaft is not communicated with mutually with output shaft, described soil pick-up portion comprises dirt sucking tube, described suction nozzle is positioned at one end of described dirt sucking tube, the other end of dirt sucking tube is connected with the sidewall of described central shaft, and dirt sucking tube is communicated with central shaft.
6. a kind of backwash interlock self-cleaning filter according to claim 1, it is characterized in that: described rinse part comprises cleaning hose, one end of cleaning hose is opened in the medial surface of described cleaning hose with being communicated with of described output shaft, described nozzle.
7. a kind of backwash interlock self-cleaning filter according to claim 4 or 5, it is characterized in that: described backwash mechanism also includes Clean Brush for cleaning, and Clean Brush for cleaning is connected with described central shaft, the hairbrush face of Clean Brush for cleaning and the inwall of described cartridge filter offset.
8. a kind of backwash interlock self-cleaning filter according to claim 7, it is characterized in that: described Clean Brush for cleaning is rectangular, described rinse part is inverted U-shaped, and the angle formed between the Clean Brush for cleaning of rectangle and inverted U-shaped rinse part is acute angle or right angle.
9. a kind of backwash interlock self-cleaning filter according to claim 1, it is characterized in that: the bottom of described filter housings is provided with ultrasonic cleaner, ultrasonic cleaner is electrically connected with described control device.
10. a kind of backwash interlock self-cleaning filter according to claim 1, is characterized in that: described cartridge filter is the cylindric stainless steel filter cylinder that top is airtight, bottom is uncovered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520644331.9U CN205031972U (en) | 2015-08-25 | 2015-08-25 | Self -cleaning filter of back flush linkage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520644331.9U CN205031972U (en) | 2015-08-25 | 2015-08-25 | Self -cleaning filter of back flush linkage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205031972U true CN205031972U (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520644331.9U Expired - Fee Related CN205031972U (en) | 2015-08-25 | 2015-08-25 | Self -cleaning filter of back flush linkage |
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| CN (1) | CN205031972U (en) |
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