CN111054135B - Solid-liquid-gas three-phase filter based on metal rubber and working method thereof - Google Patents
Solid-liquid-gas three-phase filter based on metal rubber and working method thereof Download PDFInfo
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- CN111054135B CN111054135B CN202010048910.2A CN202010048910A CN111054135B CN 111054135 B CN111054135 B CN 111054135B CN 202010048910 A CN202010048910 A CN 202010048910A CN 111054135 B CN111054135 B CN 111054135B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/003—Filters in combination with devices for the removal of liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/08—Thickening liquid suspensions by filtration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0005—Degasification of liquids with one or more auxiliary substances
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/001—Filters in combination with devices for the removal of gas, air purge systems
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- Chemical Kinetics & Catalysis (AREA)
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- Filtering Of Dispersed Particles In Gases (AREA)
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Abstract
The invention relates to a solid-liquid-gas three-phase filter based on metal rubber and a working method thereof, which comprises a frame, wherein a solid-liquid filter device for solid-liquid separation, a liquid-liquid filter device for oil-water separation and a gas-liquid filter device for gas-liquid separation are arranged on the frame, the solid-liquid filter device, the liquid-liquid filter device and the gas-liquid filter device are sequentially connected, two stages of metal rubber filter elements are arranged in the solid-liquid filter device and the liquid-liquid filter device, the gas-liquid filter device comprises a gas-liquid filter box, an oil groove and a water groove are arranged in the gas-liquid filter box, an exhaust grid is arranged on the upper side surface of the gas-liquid filter box, and an exhaust fan positioned on the lower side of the exhaust grid is arranged in the gas-liquid filter box. The solid-liquid-gas three-phase filter provided by the invention has the advantages that three substances of solid, liquid and gas are comprehensively filtered, solid-liquid separation, oil-water separation and gas-liquid separation can be simultaneously realized, the continuity is good, the efficiency is high, the service life is long, and the manufacturing and maintenance costs are low.
Description
Technical Field
The invention relates to a solid-liquid-gas three-phase filter based on metal rubber and a working method thereof, belonging to the technical field of filtration.
Background
With the progress of society, the living standard and the industrial technical level have greatly developed. In daily life and industry, the purification requirements on liquid are more and more strict, and impurities in the liquid can influence the quality and life experience of the liquid, the service life of a machine and even the quality of a product. Therefore, filters are often equipped in daily life and industrial fields.
Currently common filters are mainly gravity filters, vacuum filters and pressure filters. The gravity filter has poor filtering precision and poor continuity. The vacuum filter has strict material requirements and higher cost. The pressurized filter has a complex structure and poor universality. The existing filter has the defects of short service cycle, complicated filter material replacement and single filter object; it is therefore highly desirable to find an alternative filter material and corresponding filter structure.
Disclosure of Invention
In view of the above, the invention aims to provide the solid-liquid-gas three-phase filter based on the metal rubber, which has long service life and low manufacturing and maintenance cost, and the working method thereof, can realize solid-liquid separation, oil-water separation and gas-liquid separation simultaneously, and has good continuity and high efficiency.
The invention is realized by adopting the following scheme: the utility model provides a solid-liquid gas three-phase filter based on metal rubber, includes the frame, install in the frame be used for solid-liquid separation's solid-liquid filtration device, be used for oil water separation's liquid-liquid filtration device and be used for gas-liquid separation's gas-liquid filtration device, solid-liquid filtration device and gas-liquid filtration device three connect gradually, all be provided with two-stage metal rubber filter element in solid-liquid filtration device and the liquid-liquid filtration device, gas-liquid filtration device includes the gas-liquid filtration case, be provided with oil groove and basin in the gas-liquid filtration case, the gas-liquid filtration case upside is provided with the exhaust grid, and the exhaust fan that is located the exhaust grid downside is installed to the gas-liquid filtration case.
Further, the solid-liquid filtering device comprises a solid-liquid filtering cylinder, the middle part of the solid-liquid filtering cylinder is hinged on the frame, a horn-shaped cylinder cover with a big bottom and a small top is arranged at the upper end of the solid-liquid filtering cylinder, and a liquid inlet is arranged at the upper end of the cylinder cover; the upper portion is installed the flow dish in the solid-liquid cartridge filter, and two-layer metal rubber filter element from top to bottom is installed to flow dish below, the solid-liquid cartridge filter lower extreme is provided with the liquid outlet.
Further, the inside mounting bracket and the lower mounting bracket that can rotate and link together relative solid-liquid cartridge filter that is provided with of solid-liquid cartridge filter, upper metal rubber filter element installs between upper and lower mounting bracket, and lower floor metal rubber filter element installs in lower mounting bracket lower extreme, the flow dish includes fixed mounting in the solid-liquid cartridge filter inner wall and is located the fixed disk of upper metal rubber filter element top and pastes the fixed disk downside and installs the movable disk on the upper mounting bracket.
Further, the movable sleeve body capable of rotating relative to the movable sleeve body is arranged at the inner part of the upper end of the solid-liquid filter cylinder, a transverse long hole is formed in the side wall of the upper end of the solid-liquid filter cylinder, and an adjusting rod penetrating through the movable sleeve body and connected to the upper end of the upper mounting frame is arranged at the position of the transverse long hole so that the upper mounting frame and the lower mounting frame are driven to rotate through the swing adjusting rod.
Further, be provided with the waste liquid groove below the liquid outlet of solid-liquid filtration cartridge, the liquid outlet department of solid-liquid filtration cartridge installs T type pipe, T type pipe lower extreme interface threaded connection has the waste liquid lid, and the interface of T type pipe is connected with the hose that leads to liquid filtration device.
Further, the liquid-liquid filtering device comprises a liquid-liquid filtering box, a partition plate for dividing the inside of the liquid-liquid filtering box into a left filtering chamber and a right filtering chamber is arranged in the middle of the liquid-liquid filtering box, an oil passing hole for communicating the two filtering chambers is formed in the partition plate, a first-stage installation seat for controlling the opening and the closing of the oil passing hole by floating up and down through the size of liquid pressure above the partition plate is arranged in the left filtering chamber, a first-stage metal rubber filtering element with an oil-water separation function is arranged on the first-stage installation seat, an oil outlet with the height lower than that of the oil passing hole is formed in the side wall of the right filtering chamber, a second-stage installation seat for controlling the opening and the closing of the oil outlet by floating up and down through the size of liquid pressure above the partition plate is arranged in the right filtering chamber, and a second-stage metal rubber filtering element with the oil-water separation function is arranged on the second-stage installation seat.
Further, the bottom in the liquid-liquid filter tank is provided with a water collecting tank, a water outlet is formed in the water collecting tank, a water outlet positioned at the lower side of the primary metal rubber filter element is formed in the primary installation seat, a primary spring used for pushing the primary metal rubber filter element to reset upwards is arranged below the primary installation seat, a water outlet positioned at the lower side of the secondary metal rubber filter element is also formed in the secondary installation seat, and a secondary spring used for pushing the secondary metal rubber filter element to reset upwards is arranged below the secondary installation seat.
Further, the oil groove and the water groove are of drawer type structures, an oil inlet and a water inlet which are respectively arranged above the oil groove and the water groove are formed in the side wall of the gas-liquid filter box, and a barometer and a motor for driving an exhaust fan are arranged on the side wall of the gas-liquid filter box.
The invention adopts another technical scheme that: the working method of the solid-liquid-gas three-phase filter based on the metal rubber comprises the following steps of: (1) Before the whole filter starts to work, an exhaust fan in the gas-liquid filtering device 5 is started to work, and the solution enters the solid-liquid filtering device to filter out solid impurities with larger granularity; (2) The solution with the solid impurities filtered out enters a liquid-liquid filtering device for oil-water separation treatment; (3) The oil liquid and water after oil-water separation enter an oil groove and a water groove in the gas-liquid filtering box body respectively, and under the action of negative pressure, the gas dissolved in the oil liquid and water is discharged through an exhaust grid, so that pure water and oil are obtained.
Compared with the prior art, the invention has the following beneficial effects:
1) Compared with the traditional filter, the metal rubber has the advantages of good permeability, controllable aperture, large specific surface area and fatigue resistance, effectively prolongs the service life of the filter, and improves the filtering efficiency and the filtering precision;
2) Two stages of filter elements are arranged in the solid-liquid filter device and the liquid-liquid filter device, so that the filter precision is greatly ensured, and meanwhile, the solid-liquid filter device can adjust the filter flow rate, so that the filter rate is controllable;
3) The use of the spring in the liquid-liquid filtering device can form a stable filtering period in the filter, so that the working continuity of the filter is improved;
4) The disassembly-free cleaning of the solid-liquid filtering device is realized, the solid-liquid filtering device can be reused, and the frequency of replacing the filtering material is greatly reduced;
5) The filter takes the gravity and pressure difference of the liquid as the filtering driving force, can ensure the thoroughly of the filtration, and the gas-liquid filtering device is positioned at the end, can eliminate the influence of the gas in the container in the filtering process, and ensures the filtering precision.
The present invention will be further described in detail below with reference to specific embodiments and associated drawings for the purpose of making the objects, technical solutions and advantages of the present invention more apparent.
Drawings
FIG. 1 is a front elevational view of an embodiment of the present invention;
FIG. 2 is a schematic view showing the internal structure of a solid-liquid filtration apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view showing the internal structure of a liquid-liquid filtering device according to an embodiment of the present invention;
FIG. 4 is a schematic view showing the internal construction of a gas-liquid filtration apparatus according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view of FIG. 2 at A;
FIG. 6 is an enlarged schematic view of FIG. 3 at B;
the reference numerals in the figures illustrate: 1-frame, 2-solid-liquid filtration device, 3-waste liquid tank, 4-liquid filtration device, 5-gas-liquid filtration device, 201-cylinder cover, 202-solid-liquid filtration cartridge, 203-movable sleeve, 204-adjusting lever, 205-sealing rubber pad, 206-upper mounting bracket, 207-limiting plate, 208-flow disk, 209-upper metal rubber filter element, 210-lower mounting bracket, 211-lower metal rubber filter element, 212-limiting bracket, 213-T-pipe, 214-waste liquid cover, 401-tank cover, 402-liquid filtration tank, 403-partition plate, 404-first stage mount, 405-first stage metal rubber filter element, 406-first stage spring, 407-second stage mount, 408-second stage metal rubber filter element, 409-second stage spring, 410-water collecting tank, 501-pressure gauge, 502-oil tank, 503-exhaust grille, 504-gas-liquid filtration tank, 505-valve, 506-exhaust fan, 507-water tank, 508-motor.
Description of the embodiments
As shown in fig. 1 to 6, a solid-liquid-gas three-phase filter based on metal rubber comprises a frame 1, wherein a solid-liquid filtering device 2 used for solid-liquid separation, a liquid-liquid filtering device 4 used for oil-water separation and a gas-liquid filtering device 5 used for gas-liquid separation are installed on the frame 1, the solid-liquid filtering device 2, the liquid-liquid filtering device 4 and the gas-liquid filtering device 5 are sequentially connected, the installation heights of the solid-liquid filtering device 2, the liquid-liquid filtering device 4 and the gas-liquid filtering device 5 on the frame are sequentially reduced, two-stage metal rubber filtering elements are arranged in the solid-liquid filtering device 2 and the liquid-liquid filtering device 4, the gas-liquid filtering device 5 comprises a gas-liquid filtering box 504, an oil groove 502 and a water groove 507 are arranged in the gas-liquid filtering box 504, an exhaust grid 503 is arranged on the upper side surface of the gas-liquid filtering box 504, when the gas in the gas-liquid filtering box 504 is exhausted by the exhaust fan 506 positioned on the lower side of the exhaust grid, negative pressure can be generated inside the gas-liquid filtering box 504, and the three filtering devices are sequentially arranged to be mainly due to gravity and liquid pressure difference when the liquid is filtered by flowing from high to bottom; the solid-liquid-gas three-phase filter has the advantages of comprehensive filtration of three substances of solid, liquid and gas, good continuity, high efficiency and long service life, and can greatly reduce maintenance cost.
In this embodiment, the solid-liquid filtration device 2 includes a solid-liquid filtration cartridge 202, the middle part of the solid-liquid filtration cartridge is hinged on the frame, the solid-liquid filtration cartridge 202 is hinged on the frame through a pair of bolts located at two sides, a pair of bolt holes located at two sides of the solid-liquid filtration cartridge 202 are formed in the frame, the bolts penetrate through the bolt holes, threaded holes in threaded connection with the bolts are formed in two sides of the middle part of the solid-liquid filtration cartridge 202, the solid-liquid filtration cartridge 202 can be fixed by tightening the bolts, and the solid-liquid filtration cartridge 202 can be pushed to rotate around the bolts by loosening the bolts, so that the inside of the solid-liquid filtration cartridge 202 is cleaned without dismantling.
In this embodiment, the upper end of the solid-liquid filter cartridge 202 is provided with a horn-shaped cartridge cover 201 with a large bottom and a small top, the upper end of the cartridge cover 201 is provided with a liquid inlet, the horn-shaped cartridge cover is convenient for drainage, and the use of a water distributor is saved; the inner side of the lower end of the cylinder cover 201 is provided with an internal thread, so that the installation is convenient, the sealing is facilitated, the outer side of the upper end of the solid-liquid filter cylinder 202 is provided with an external thread, and the cylinder cover 201 is in threaded connection with the upper end of the solid-liquid filter cylinder 202; the upper portion installs flow disc 208 in the solid-liquid filter cartridge, and two-layer metal rubber filter element (209, 211) about the flow disc 208 below is installed, solid-liquid filter cartridge lower extreme is provided with the liquid outlet, and wherein the aperture of upper metal rubber filter element is great, and the aperture of lower metal rubber filter element is less.
In this embodiment, the solid-liquid filtration cartridge 202 is internally provided with an upper mounting frame 206 and a lower mounting frame 210 which can rotate relative to the solid-liquid filtration cartridge and are connected together, the upper metal rubber filtration element 209 is mounted between the upper and lower mounting frames, the lower metal rubber filtration element 211 is mounted at the lower end of the lower mounting frame 210, the lower end of the lower mounting frame is mounted at a limit frame 212 supporting the lower metal rubber filtration element 211, and the lower end of the upper mounting frame, the upper and lower ends of the lower mounting frame and the limit frame are hollow structures, thereby facilitating the liquid to pass; the flow plate 208 includes a fixed plate fixedly mounted on the inner wall of the solid-liquid filter cartridge and above the upper metal rubber filter element, and a movable plate mounted on the upper mounting bracket and against the underside of the fixed plate.
In this embodiment, the movable sleeve 203 capable of rotating relative to the movable sleeve 203 is installed inside the upper end of the solid-liquid filter 202, the movable sleeve 203 can rotate in the solid-liquid filter 202, the inner wall of the solid-liquid filter 202 can rotate freely, a transverse long hole is formed in the side wall of the upper end of the solid-liquid filter 202, an adjusting rod 204 penetrating through the movable sleeve and connected to the upper end of the upper mounting frame is arranged at the position of the transverse long hole, so that the upper mounting frame and the lower mounting frame are driven to rotate through the swinging adjusting rod, the matching position of the movable sleeve 203 and the adjusting rod 204 is sealed by a sealing rubber gasket 205, so that liquid leakage during flow adjustment is prevented, the inner end of the adjusting rod is provided with external threads and is connected in a threaded hole of the upper mounting frame in a threaded manner, the upper mounting frame and the lower mounting frame are driven to rotate through the swinging adjusting rod, and then the movable disc is driven to rotate relative to the fixed disc, the opening degree of the through holes on the fixed disc is adjusted, and is adjusted liquid flow is adjusted is regulated.
In this embodiment, a waste liquid tank 3 is disposed below the liquid outlet of the solid-liquid filter cartridge 202, a T-shaped tube 213 is installed at the liquid outlet of the solid-liquid filter cartridge 202, a waste liquid cover 214 is screwed to the lower end of the T-shaped tube 213, and a hose leading to the liquid-liquid filter device is connected to the side interface of the T-shaped tube 213.
At the beginning of filtration, the filtered solution uniformly flows into the solid-liquid filter cartridge 202 along the inner wall of the cylinder cover from the liquid inlet of the cylinder cover 201 of the solid-liquid filter device, flows to the upper metal rubber filter element 209 through the flow disc 208, solid impurities with larger granularity can remain in the upper metal rubber filter element 209, the residual solution continues to flow to the lower metal rubber filter element 211, the solid impurities with smaller granularity can remain in the lower metal rubber filter element 211 all the time due to smaller pore diameter of the lower metal rubber filter element 211, the waste liquid cover 214 always keeps a closed state in the filtration process, and the filtered solution flows into the liquid-liquid filter device 4 through the side interface of the T-shaped tube 213.
When the solid-liquid filtration device is cleaned, the bolts on the two sides of the solid-liquid filtration cartridge 202 are loosened, at this time, the solid-liquid filtration cartridge 202 can be rotated at will, the solid-liquid filtration cartridge 202 is rotated 180 degrees to be horizontally placed, then the bolts are screwed again, the solid-liquid filtration cartridge 202 is fixed again, and during cleaning, cleaning liquid flows in from the side interface of the T-shaped tube 213, flows out from the liquid inlet of the cartridge cover 201, and solid particle impurities remained in the metal rubber filtration element flow into the waste liquid tank 3 along with the cleaning liquid.
In this embodiment, the liquid-liquid filtering device 4 includes a liquid-liquid filtering box 402, a rib plate structure is disposed on the outer side of the liquid-liquid filtering box 402, and is used for mounting the liquid-liquid filtering box on the frame 1, a box cover 401 is disposed at the upper end of the liquid-liquid filtering box 402, the box cover 401 is connected with the liquid-liquid filtering box 402 in a plugging manner, a partition plate 403 for dividing the interior into a left filtering chamber and a right filtering chamber is disposed in the middle of the liquid-liquid filtering box 402, oil holes for communicating the two filtering chambers are formed in the partition plate 403, and a liquid inlet above the left filtering chamber is formed in the box cover 401; the left filter chamber is internally provided with a first-stage installation seat 404 which controls the opening and the closing of the oil passing hole through the upper liquid pressure and realizes the up-and-down floating, a first-stage metal rubber filter element 405 with an oil-water separation function is installed on the first-stage installation seat 404, the side wall of the right filter chamber is provided with an oil outlet with the height lower than that of the oil passing hole, the right filter chamber is internally provided with a second-stage installation seat 407 which controls the opening and the closing of the oil outlet through the upper liquid pressure and realizes the up-and-down floating, and a second-stage metal rubber filter element 408 with the oil-water separation function is installed on the second-stage installation seat.
The metal rubber filter element with the oil-water separation function is prepared by performing surface treatment on the metal rubber filter element to enable the metal rubber filter element to have the oil-water separation function, wherein the surface treatment mode is called an alkaline etching method, and the metal rubber is subjected to the alkaline etching method to prepare super-hydrophilic and underwater super-oleophobic metal rubber, so that an oil-water mixture can be efficiently and rapidly separated, and mainly the metal rubber is put into a sodium hydroxide and ammonium persulfate solution to be soaked for a preset time; the processing method belongs to the prior art, and the principle and the process of the processing method are not specifically described herein.
In this embodiment, a water collection tank 410 is disposed at the bottom of the liquid filtering tank 402, the lower end of the liquid filtering tank 402 is connected with the water collection tank 410 in a plugging manner, a water outlet is disposed on the water collection tank, and a hose is connected with the water outlet and the water outlet to the gas-liquid filtering device; the first-stage installation seat 404 is provided with a water outlet positioned at the lower side of the first-stage metal rubber filter element, the lower side of the first-stage installation seat is provided with a first-stage spring 406 for pushing the first-stage spring to reset upwards, the second-stage installation seat is also provided with a water outlet positioned at the lower side of the second-stage metal rubber filter element, the lower side of the second-stage installation seat is provided with a second-stage spring 409 for pushing the second-stage spring to reset upwards, the rigidity of the first-stage spring 406 is larger than that of the second-stage spring 409, and the side walls of the left filter chamber and the right filter chamber are respectively provided with annular brackets for supporting the first-stage spring 406 and the second-stage spring 409; the primary mounting seat 404 and the secondary mounting seat 407 are respectively provided with a sink groove for embedding the primary metal rubber filter element 405 and the secondary metal rubber filter element 408, the water outlet is positioned at the bottom of the sink groove, and the bottom surface of the sink groove is an inclined surface with low middle and high side so as to facilitate drainage.
When solution enters the left filtering chamber of the liquid-liquid filtering device 4, firstly, the solution passes through the first-stage metal rubber filtering element 405, oil liquid can remain on the upper side of the first-stage metal rubber filtering element 405 because the first-stage metal rubber filtering element 405 has an oil-water separation function, water can fall into the water collecting tank 410 through the first-stage metal rubber filtering element 405, as the liquid amount above the first-stage metal rubber filtering element 405 increases, the lower first-stage spring 406 is continuously compressed, the height of the first-stage mounting seat 404 is further reduced, when the solution is reduced to a certain distance, the solution is firstly blocked by the first-stage mounting seat 404 and is exposed through the oil hole, the oil liquid on the upper side of the first-stage metal rubber filtering element 405 flows to the right filtering chamber through the oil hole, the water content in the residual oil liquid can be filtered by the second-stage metal rubber filtering element 408, the filtering principle of the second-stage metal rubber filtering element 408 is the same as that of the first-stage metal rubber filtering element 405, as the liquid amount on the upper side of the second-stage metal rubber filtering element 408 increases, the second-stage spring 409 on the lower side is continuously compressed, the second-stage mounting seat 407 is further reduced, the height of the second-stage mounting seat is further continuously, when the solution is reduced, and when the solution is reduced to a certain distance, the first-stage is firstly, and is blocked by the second-stage and finally flows out from the oil outlet from the right-stage metal filtering element on the upper-stage metal filtering element 408; when the inflow amount of the solution in the left filtering chamber is greater than the inflow amount, the first stage mounting seat 404 is integrally raised due to the reduction of the liquid above, so that the opening of the oil passing hole is reduced, the solution flowing into the right filtering chamber is reduced, and the inflow amount of the solution in the left filtering chamber is kept unchanged, so that the inflow amount of the solution in the left filtering chamber is again greater than the outflow amount, and the first stage mounting seat 404 is lowered. And the filter is circularly reciprocated to form a period, so that the filtering speed tends to be stable, and meanwhile, the filtering precision and continuity are ensured.
In this embodiment, the exhaust grille 503 of the gas-liquid filtering device is mounted on the gas-liquid filtering box 504 through screws, the oil tank 502 and the water tank 507 are in drawer type structures, so that the gas-liquid filtering box is convenient to take and place, the side wall of the gas-liquid filtering box is provided with an oil inlet and a water inlet which are respectively located above the oil tank and the water tank and are respectively connected with hoses of an oil outlet and a water outlet in the liquid-liquid filtering device 4, a valve 505 is mounted on the oil inlet and the water inlet and used for controlling on-off of liquid inlet, a barometer 501 is mounted on the side wall of the gas-liquid filtering box and a motor 508 used for driving an exhaust fan 506, the barometer 501 is used for monitoring the internal air pressure of the gas-liquid filtering box 504, and a transmission mechanism between the motor 508 and the exhaust fan 506 can adopt belt transmission.
Before the whole filter starts to work, the motor 508 in the gas-liquid filtering device 5 is started to drive the exhaust fan to start to work, the valves 505 on the oil inlet and the water inlet keep on, negative pressure can be formed in the whole filtering device, the filtering speed can be increased, and the filtering thoroughness is ensured. The liquid-liquid filtering box 402 finishes separating oil and water respectively flowing into the water inlet and the oil inlet on the liquid-liquid filtering box 504, when all liquid enters the liquid-liquid filtering box 504, the valve 505 on the water inlet and the oil inlet is closed, so that other gases can not enter the liquid-liquid filtering box 504, under the action of negative pressure, the gases dissolved in the oil and the water are discharged through the air exhaust grid 503, the filtering end moment is judged according to the indication of the barometer 501, and finally the oil groove 502 and the water groove 507 are extracted, so that pure water and oil are obtained.
The solid-liquid-gas three-phase filter based on the metal rubber adopts the novel material metal rubber to replace the traditional filter materials such as filter cotton, activated carbon, porous stainless steel and the like, integrates the comprehensive filtration of three substances such as solid-liquid-gas and the double filtration of solid-liquid mixed liquid and oil-water mixed liquid, is suitable for the filtration of domestic drinking water, the filtration of industrial circulating water and the pretreatment of hydraulic oil and lubricating oil in metal processing, and solves the problems of short service cycle, frequent replacement and poor filtration precision of the filter materials in the traditional filter; it has the following advantages:
1) Compared with the traditional filter, the metal rubber has the advantages of good permeability, controllable aperture, large specific surface area and fatigue resistance, effectively prolongs the service life of the filter, reduces the maintenance cost and improves the filtering efficiency and the filtering precision;
2) Two stages of filter elements are arranged in the solid-liquid filter device 2 and the liquid-liquid filter device 4, so that the filter precision is greatly ensured, and meanwhile, the filter flow can be regulated in the solid-liquid filter device, so that the filter rate is controllable;
3) The use of the spring in the liquid-liquid filtering device 4 can form a stable filtering period in the filter, so that the working continuity of the filter is improved;
4) The disassembly-free cleaning of the solid-liquid filtering device is realized, the solid-liquid filtering device can be reused, and the frequency of replacing the filtering material is greatly reduced;
5) The filter takes the gravity and pressure difference of the liquid as the filtering driving force, can ensure the thoroughly of the filtration, and the gas-liquid filtering device is positioned at the end, can eliminate the influence of the gas in the container in the filtering process, and ensures the filtering precision.
The working method of the solid-liquid-gas three-phase filter based on the metal rubber comprises the following steps of: (1) Before the whole filter starts to work, an exhaust fan in the gas-liquid filtering device 5 is started to work, and valves 505 on an oil inlet and a water inlet are kept in an open state; the solution enters a solid-liquid filtering device to filter out solid impurities with larger granularity; the filtered solution uniformly flows into the solid-liquid filter cartridge 202 along the inner wall of the cylinder cover from the liquid inlet of the cylinder cover 201 of the solid-liquid filter device, flows to the upper metal rubber filter element 209 through the flow disc 208, solid impurities with larger granularity can remain in the upper metal rubber filter element 209, the residual solution continues to flow to the lower metal rubber filter element 211, the solid impurities with smaller granularity can remain in the lower metal rubber filter element 211 all the time due to smaller pore diameter of the lower metal rubber filter element 211, the waste liquid cover 214 always keeps a closed state in the filtering process, and the filtered solution flows into the liquid-liquid filter device 4 through the side interface of the T-shaped tube 213;
(2) The solution with the solid impurities filtered out enters a liquid-liquid filtering device for oil-water separation treatment; when solution enters the left filtering chamber of the liquid-liquid filtering device 4, firstly, the solution passes through the first-stage metal rubber filtering element 405, oil liquid can remain on the upper side of the first-stage metal rubber filtering element 405 because the first-stage metal rubber filtering element 405 has an oil-water separation function, water can fall into the water collecting tank 410 through the first-stage metal rubber filtering element 405, as the liquid amount above the first-stage metal rubber filtering element 405 increases, the lower first-stage spring 406 is continuously compressed, the height of the first-stage mounting seat 404 is further reduced, when the solution is reduced to a certain distance, the solution is firstly blocked by the first-stage mounting seat 404 and is exposed through the oil hole, the oil liquid on the upper side of the first-stage metal rubber filtering element 405 flows to the right filtering chamber through the oil hole, the water content in the residual oil liquid can be filtered by the second-stage metal rubber filtering element 408, the filtering principle of the second-stage metal rubber filtering element 408 is the same as that of the first-stage metal rubber filtering element 405, as the liquid amount on the upper side of the second-stage metal rubber filtering element 408 increases, the second-stage spring 409 on the lower side is continuously compressed, the second-stage mounting seat 407 is further reduced, the height of the second-stage mounting seat is further continuously, when the solution is reduced, and when the solution is reduced to a certain distance, the first-stage is firstly, and is blocked by the second-stage and finally flows out from the oil outlet from the right-stage metal filtering element on the upper-stage metal filtering element 408; when the flow rate of the left filter chamber is greater than the inflow rate, the first stage mounting seat 404 is wholly raised due to the reduction of the liquid above, so that the opening of the oil passing hole is reduced, the solution flowing into the right filter chamber is reduced, and the inflow rate of the solution in the left filter chamber is still unchanged, so that the inflow rate of the solution in the left filter chamber is again greater than the outflow rate, and the first stage mounting seat 404 is lowered at the moment, so that the first stage mounting seat 404 is circularly reciprocated to form a period, the filtering rate tends to be stable, and meanwhile, the filtering precision and the filtering continuity are ensured; (3) After oil-water separation, oil and water enter an oil groove and a water groove in the gas-liquid filtering box body respectively, after all liquid enters the gas-liquid filtering box body 504, a valve 505 positioned on a water inlet and an oil inlet is closed, so that other gases cannot enter the gas-liquid filtering box body 504, under the action of negative pressure, the gases dissolved in the oil and the water are discharged through an exhaust grid, and finally the oil groove 502 and the water groove 507 are pumped out, so that pure water and oil are obtained.
Any of the above-described embodiments of the present invention disclosed herein, unless otherwise stated, if they disclose a numerical range, then the disclosed numerical range is the preferred numerical range, as will be appreciated by those of skill in the art: the preferred numerical ranges are merely those of the many possible numerical values where technical effects are more pronounced or representative. Since the numerical values are more and cannot be exhausted, only a part of the numerical values are disclosed to illustrate the technical scheme of the invention, and the numerical values listed above should not limit the protection scope of the invention.
If the invention discloses or relates to components or structures fixedly connected with each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).
In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present invention and are not limiting; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (2)
1. A solid-liquid-gas three-phase filter based on metal rubber is characterized in that: the device comprises a frame, wherein a solid-liquid filtering device for solid-liquid separation, a liquid-liquid filtering device for oil-water separation and a gas-liquid filtering device for gas-liquid separation are arranged on the frame, the solid-liquid filtering device, the liquid-liquid filtering device and the gas-liquid filtering device are sequentially connected, two stages of metal rubber filtering elements are arranged in the solid-liquid filtering device and the liquid-liquid filtering device, the gas-liquid filtering device comprises a gas-liquid filtering box, an oil groove and a water groove are arranged in the gas-liquid filtering box, an exhaust grid is arranged on the upper side surface of the gas-liquid filtering box, and an exhaust fan positioned on the lower side of the exhaust grid is arranged in the gas-liquid filtering box; the solid-liquid filtering device comprises a solid-liquid filtering cylinder, the middle part of the solid-liquid filtering cylinder is hinged on the frame, a horn-shaped cylinder cover with a big bottom and a small top is arranged at the upper end of the solid-liquid filtering cylinder, and a liquid inlet is formed at the upper end of the cylinder cover; the upper part in the solid-liquid filter cartridge is provided with a flow disc, two layers of metal rubber filter elements are arranged below the flow disc, and the lower end of the solid-liquid filter cartridge is provided with a liquid outlet; the solid-liquid filter cartridge is internally provided with an upper mounting frame and a lower mounting frame which can rotate relative to the solid-liquid filter cartridge and are connected together, an upper layer metal rubber filter element is arranged between the upper mounting frame and the lower mounting frame, a lower layer metal rubber filter element is arranged at the lower end of the lower mounting frame, and the flow disc comprises a fixed disc fixedly arranged on the inner wall of the solid-liquid filter cartridge and positioned above the upper layer metal rubber filter element and a movable disc attached to the lower side of the fixed disc and arranged on the upper mounting frame; the upper end of the solid-liquid filter cylinder is internally provided with a movable sleeve body which can rotate relative to the movable sleeve body, the side wall of the upper end of the solid-liquid filter cylinder is provided with a transverse long hole, and an adjusting rod which penetrates through the movable sleeve body and is connected to the upper end of the upper mounting frame is arranged at the transverse long hole so as to drive the upper mounting frame and the lower mounting frame to rotate through the swing adjusting rod; a waste liquid tank is arranged below the liquid outlet of the solid-liquid filter cartridge, a T-shaped pipe is arranged at the liquid outlet of the solid-liquid filter cartridge, the lower end of the T-shaped pipe is connected with a waste liquid cover in a threaded manner, and the side interface of the T-shaped pipe is connected with a hose leading to a liquid-liquid filter device; the liquid-liquid filtering device comprises a liquid-liquid filtering box, a partition plate for dividing the inside of the liquid-liquid filtering box into a left filtering chamber and a right filtering chamber is arranged in the middle of the liquid-liquid filtering box, an oil passing hole for communicating the two filtering chambers is formed in the partition plate, a first-stage installation seat for controlling the opening and the closing of the oil passing hole by floating up and down through the pressure of liquid above the partition plate is arranged in the left filtering chamber, a first-stage metal rubber filtering element with an oil-water separation function is arranged on the first-stage installation seat, an oil outlet with the height lower than that of the oil passing hole is formed in the side wall of the right filtering chamber, a second-stage installation seat for controlling the opening and the closing of the oil outlet by floating up and down through the pressure of liquid above the partition plate is arranged in the right filtering chamber, and a second-stage metal rubber filtering element with the oil-water separation function is arranged on the second-stage installation seat; the bottom in the liquid-liquid filtering tank is provided with a water collecting tank, the water collecting tank is provided with a water outlet, a first-stage installation seat is provided with a water outlet positioned at the lower side of the first-stage metal rubber filtering element, a first-stage spring used for pushing the first-stage installation seat to reset upwards is arranged below the first-stage installation seat, a water outlet positioned at the lower side of the second-stage metal rubber filtering element is also arranged on the second-stage installation seat, and a second-stage spring used for pushing the second-stage installation seat to reset upwards is arranged below the second-stage installation seat; the oil tank and the water tank are of drawer type structures, an oil inlet and a water inlet which are respectively arranged above the oil tank and the water tank are formed in the side wall of the gas-liquid filter tank, and a barometer and a motor for driving an exhaust fan are arranged on the side wall of the gas-liquid filter tank.
2. A method of operating a metal rubber based solid liquid gas three phase filter as defined in claim 1 wherein: the method comprises the following steps: (1) Before the whole filter starts to work, an exhaust fan in the gas-liquid filtering device is started to work, and the solution enters the solid-liquid filtering device to filter out solid impurities with larger granularity; (2) The solution with the solid impurities filtered out enters a liquid-liquid filtering device for oil-water separation treatment; (3) The oil liquid and water after oil-water separation enter an oil groove and a water groove in the gas-liquid filtering box body respectively, and under the action of negative pressure, the gas dissolved in the oil liquid and water is discharged through an exhaust grid, so that pure water and oil are obtained.
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| CN202010048910.2A CN111054135B (en) | 2020-01-16 | 2020-01-16 | Solid-liquid-gas three-phase filter based on metal rubber and working method thereof |
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