CN111054135A - 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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- CN111054135A CN111054135A CN202010048910.2A CN202010048910A CN111054135A CN 111054135 A CN111054135 A CN 111054135A CN 202010048910 A CN202010048910 A CN 202010048910A CN 111054135 A CN111054135 A CN 111054135A
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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
Abstract
The invention relates to a metal rubber-based solid-liquid-gas three-phase filter and a working method thereof, and the metal rubber-based solid-liquid-gas three-phase filter comprises a rack, 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 rack, 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 respectively 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. The solid-liquid-gas three-phase filter provided by the invention comprehensively filters three substances of solid, liquid and gas, can simultaneously realize solid-liquid separation, oil-water separation and gas-liquid separation, and has the advantages of good continuity, high efficiency, long service life and low manufacturing and maintenance cost.
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 technology level have great development. The requirement for purifying liquid in daily life and industry is more and more strict, and impurities in the liquid not only can influence the quality and the life experience of the liquid, but also can influence the service life of a machine and even influence the quality of a product. Therefore, filters are often provided in daily life and industrial fields.
The filters commonly used at present are mainly gravity filters, vacuum filters and pressure filters. The gravity filter has poor filtration precision and poor continuity. The vacuum filter has strict material requirements and higher cost. The pressurizing filter has a complex structure and poor universality. The existing filter also has the defects of short service cycle, complex filter material replacement and single filtering 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 present invention provides a metal rubber-based solid-liquid-gas three-phase filter and a working method thereof, which have the advantages of long service life, low manufacturing and maintenance costs, good continuity and high efficiency, and can simultaneously realize solid-liquid separation, oil-water separation and gas-liquid separation.
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 for solid-liquid separation's solid-liquid filter equipment, for oil-water separation's liquid-liquid filter equipment and for gas-liquid separation's gas-liquid filter equipment, solid-liquid filter equipment, liquid-liquid filter equipment and gas-liquid filter equipment three connect gradually, all be provided with two-stage metal rubber filter element in solid-liquid filter equipment and the liquid-liquid filter equipment, gas-liquid filter equipment includes the gas-liquid filter box, be provided with oil groove and basin in the gas-liquid filter box, the side is provided with the exhaust grid on the gas-liquid filter box, and the exhaust fan that is located exhaust grid downside is installed to.
Further, the solid-liquid filtering device comprises a solid-liquid filtering cylinder, the middle part of the solid-liquid filtering cylinder is hinged to the rack, a horn-shaped cylinder cover with a large lower part and a small upper part is mounted at the upper end of the solid-liquid filtering cylinder, and a liquid inlet is formed in 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 which are arranged one above the other are arranged below the flow disc, and the lower end of the solid-liquid filter cartridge is provided with a liquid outlet.
Further, solid-liquid cartridge filter inside is provided with can solid-liquid cartridge filter relatively and rotates and link together and go up mounting bracket and lower mounting bracket, and upper metal rubber filter element installs between upper and lower mounting bracket, and lower floor's metal rubber filter element installs in mounting bracket lower extreme down, the flow dish includes fixed disk and the activity dish of pasting the fixed disk downside and installing on last mounting bracket of fixed disk fixed mounting in solid-liquid cartridge filter inner wall and lieing in upper metal rubber filter element top.
Furthermore, the solid-liquid filter cartridge upper end internally mounted has its pivoted movable sleeve body relatively, and horizontal slot hole has been seted up to solid-liquid filter cartridge upper end lateral wall, horizontal slot hole department is provided with and passes the movable sleeve body and connect the regulation pole in last mounting bracket upper end so that drive upper and lower mounting bracket through the swing adjustment pole and rotate.
Furthermore, a waste liquid tank is arranged below the liquid outlet of the solid-liquid filter cartridge, a T-shaped pipe is installed at the liquid outlet of the solid-liquid filter cartridge, a lower end interface of the T-shaped pipe is in threaded connection with a waste liquid cover, and a side interface of the T-shaped pipe is connected with a hose leading to the liquid-liquid filter device.
Further, the liquid-liquid filtering device comprises a liquid-liquid filtering box, a partition plate which divides the inside into a left filtering chamber and a right filtering chamber is arranged in the middle of the liquid-liquid filtering box, oil passing holes which are communicated with the two filtering chambers are formed in the partition plate, a first-stage mounting seat which controls the opening and closing of the oil passing holes by realizing the up-and-down floating of the upper liquid pressure is arranged in the left filtering chamber, a first-stage metal rubber filtering element with an oil-water separation function is mounted on the first-stage mounting seat, an oil outlet which is lower than the oil passing holes in height is formed in the side wall of the right filtering chamber, a second-stage mounting seat which controls the opening and closing of the oil outlet by realizing the up-and-down floating of the.
Further, the bottom is provided with the water catch bowl in the liquid-liquid filter tank, be provided with the delivery port on the water catch bowl, set up the lower mouth of a river that is located one-level metal rubber filter element downside on the one-level mount pad, be provided with the one-level spring that is used for upwards promoting its and resets below the one-level mount pad, also set up the lower mouth of a river that is located second grade metal rubber filter element downside on the second grade mount pad, be provided with the second grade spring that is used for upwards promoting its and resets below the second grade mount pad.
Furthermore, the oil groove and the water groove are drawer-type structures, the side wall of the gas-liquid filtering box is provided with an oil inlet and a water inlet which are respectively positioned above the oil groove and the water groove, and the side wall of the gas-liquid filtering box is provided with a barometer and a motor for driving an exhaust fan.
The other technical scheme of the invention is as follows: the working method of the solid-liquid-gas three-phase filter based on the metal rubber comprises the following steps: (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 a 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) oil liquid and water after oil-water separation respectively enter an oil groove and a water groove in the gas-liquid filtering box body, and gas dissolved in the oil liquid and the water is discharged through an exhaust grille under the action of negative pressure to obtain pure water and pure oil.
Compared with the prior art, the invention has the following beneficial effects:
1) compared with the traditional filter, the metal rubber has good permeability, controllable pore diameter, large specific surface area and fatigue resistance, so that the service life of the filter is effectively prolonged, and the filtering efficiency and the filtering precision are improved;
2) the solid-liquid filtering device and the liquid-liquid filtering device are both provided with two stages of filtering elements, so that the filtering precision is greatly ensured, and meanwhile, the filtering flow can be adjusted in the solid-liquid filtering device, so that the filtering speed is controllable;
3) the use of the spring in the liquid-liquid filtering device can form a stable filtering period in the filter, thereby improving the working continuity of the filter;
4) the disassembly-free cleaning of the solid-liquid filtering device is realized, the solid-liquid filtering device can be repeatedly used, and the times of replacing the filtering material are greatly reduced;
5) the filter uses the liquid gravity and the pressure difference as the filtering driving force, the filtering thoroughness can be ensured, the gas-liquid filtering device is positioned at the end, the influence of gas in the container in the filtering process can be eliminated, and the filtering precision is ensured.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and accompanying drawings.
Drawings
FIG. 1 is a front view of a construction of an embodiment of the invention;
FIG. 2 is a schematic view of the internal structure of a solid-liquid filtering apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view showing the internal structure of a liquid-liquid filtering apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic view showing the internal structure of a gas-liquid filtration apparatus according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view at A in FIG. 2;
FIG. 6 is an enlarged schematic view at B in FIG. 3;
the reference numbers in the figures illustrate: 1-frame, 2-solid-liquid filtering device, 3-waste liquid tank, 4-liquid filtering device, 5-gas-liquid filtering device, 201-cylinder cover, 202-solid-liquid filtering cylinder, 203-movable sleeve body, 204-adjusting rod, 205-sealing rubber pad, 206-upper mounting rack, 207-limiting plate, 208-flow disc, 209-upper metal rubber filtering element, 210-lower mounting rack, 211-lower metal rubber filtering element, 212-limiting rack, 213-T type pipe, 214-waste liquid cover, 401-box cover, 402-liquid filtering box, 403-clapboard, 404-first-stage mounting seat, 405-first-stage metal rubber filtering element, 406-first-stage spring, 407-second-stage mounting seat, 408-second-stage metal rubber filtering element, 409-a secondary spring, 410-a water collecting tank, 501-a pressure gauge, 502-an oil tank, 503-an exhaust grille, 504-an air-liquid filtering tank, 505-a valve, 506-an exhaust fan, 507-a water tank and 508-a motor.
Detailed Description
As shown in fig. 1 to 6, a metal rubber-based solid-liquid-gas three-phase filter comprises a frame 1, wherein a solid-liquid filtering device 2 for solid-liquid separation, a liquid-liquid filtering device 4 for oil-water separation and a gas-liquid filtering device 5 for gas-liquid separation are mounted 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 mounting 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 stages of metal rubber filtering elements are respectively 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 of the gas-liquid filtering box 504, an exhaust fan, when the exhaust fan exhausts the gas in the gas-liquid filtering box 504, negative pressure can be generated in the gas-liquid filtering box 504, and as the three filtering devices are sequentially installed from top to bottom, the liquid gravity and the gas pressure difference are the main driving force for the liquid to flow during filtering; the solid-liquid-gas three-phase filter comprehensively filters three substances of solid, liquid and gas, and has the advantages of good continuity, high efficiency, long service life and capability of greatly reducing the maintenance cost.
In this embodiment, the solid-liquid filtering device 2 includes the solid-liquid filtering cylinder 202, the solid-liquid filtering cylinder middle part articulates in the frame, and the solid-liquid filtering cylinder 202 articulates in the frame through a pair of bolt that is located both sides, set up a pair of bolt hole that is located the solid-liquid filtering cylinder 202 both sides in the frame, the bolt passes from the bolt hole, and the screw hole with bolt threaded connection is seted up to solid-liquid filtering cylinder 202 middle part both sides, screws up the bolt and can fix the solid-liquid filtering cylinder 202, unscrews the bolt, alright make it rotate around the bolt in order to promote the solid-liquid filtering cylinder 202 to wash exempting from tearing open inside.
In this embodiment, the upper end of the solid-liquid filter cartridge 202 is provided with a trumpet-shaped cylinder cover 201 with a large lower part and a small upper part, the upper end of the cylinder cover 201 is provided with a liquid inlet, and the trumpet-shaped cylinder cover is convenient for drainage, so that the water distributor is saved; the inner side of the lower end of the cylinder cover 201 is provided with internal threads, 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 external threads, and the cylinder cover 201 is in threaded connection with the upper end of the solid-liquid filter cylinder 202; the upper part in the solid-liquid filter cartridge is provided with a flow disc 208, two layers of metal rubber filter elements (209 and 211) which are arranged one above the other are arranged below the flow disc 208, the lower end of the solid-liquid filter cartridge is provided with a liquid outlet, wherein the pore diameter of the upper layer of metal rubber filter element is larger, and the pore diameter of the lower layer of metal rubber filter element is smaller.
In this embodiment, an upper mounting frame 206 and a lower mounting frame 210 which can rotate relative to the solid-liquid filter cartridge and are connected together are arranged inside the solid-liquid filter cartridge 202, the upper metal rubber filter element 209 is installed between the upper mounting frame and the lower mounting frame, the lower metal rubber filter element 211 is installed at the lower end of the lower mounting frame 210, the lower end of the lower mounting frame is installed at a limiting frame 212 supporting the lower metal rubber filter element 211, and the lower end of the upper mounting frame, the upper end and the lower end of the lower mounting frame and the limiting frame are all hollow structures, which is beneficial for liquid to pass; the flow disc 208 comprises a fixed disc fixedly arranged on the inner wall of the solid-liquid filter cylinder and positioned above the upper metal rubber filter element, and a movable disc attached to the lower side of the fixed disc and arranged on the upper mounting frame.
In this embodiment, a movable sleeve 203 capable of rotating relative to the solid-liquid filter cartridge 202 is installed inside the upper end of the solid-liquid filter cartridge 202, the adjusting rod groove 203 can rotate in the solid-liquid filter cartridge 202, can freely rotate on the inner wall of the solid-liquid filter cartridge 202, the side wall of the upper end of the solid-liquid filter cartridge 202 is provided with a transverse long hole, an adjusting rod 204 which passes through the movable sleeve body and is connected with 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 swinging the adjusting rod, the matching part of the movable sleeve body 203 and the adjusting rod 204 is sealed by a sealing rubber pad 205, so as to prevent liquid leakage when the flow is regulated, the inward end of the regulating rod is provided with external threads and is in threaded connection with the threaded hole of the upper mounting frame, the upper mounting frame and the lower mounting frame are driven to rotate by swinging the regulating rod, and then drive the activity dish and rotate relative to the fixed disk, realize the aperture regulation to the through-hole on the fixed disk, and then realize the flow of regulation liquid.
In this embodiment, the waste liquid tank 3 is disposed below the liquid outlet of the solid-liquid filter cartridge 202, a T-shaped pipe 213 is mounted at the liquid outlet of the solid-liquid filter cartridge 202, a waste liquid cover 214 is screwed to a lower end interface of the T-shaped pipe 213, and a hose leading to the liquid-liquid filter device is connected to a side interface of the T-shaped pipe 213.
When the filtration begins, the filtering solution flows into the solid-liquid filter cylinder 202 evenly from the liquid inlet of the solid-liquid filter device cylinder cover 201 along the inner wall of the cylinder cover, and flows through the flow disc 208, the filtering solution flows to the upper metal rubber filter element 209, the solid impurities with larger granularity can be left in the upper metal rubber filter element 209, the residual solution continues to flow to the lower metal rubber filter element 211, because the aperture of the lower metal rubber filter element 211 is smaller, the solid impurities with smaller residual granularity can be all left in 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 pipe 213.
When the solid-liquid filtering device is cleaned, the bolts on both sides of the solid-liquid filtering cylinder 202 are loosened, the solid-liquid filtering cylinder 202 can be rotated freely at this time, the solid-liquid filtering cylinder 202 is rotated by 180 degrees to be horizontally placed, then the bolts are tightened again, the solid-liquid filtering cylinder 202 is fixed again, during cleaning, cleaning liquid flows in from the side interface of the T-shaped pipe 213 and flows out from the liquid inlet of the cylinder cover 201, and solid particle impurities remained in the metal rubber filtering 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 tank 402, a rib plate structure is provided outside the liquid-liquid filtering tank 402 for mounting the liquid-liquid filtering tank 402 on the frame 1, a tank cover 401 is provided at an upper end of the liquid-liquid filtering tank 402, the tank cover 401 is connected to the liquid-liquid filtering tank 402 in an inserting manner, a partition plate 403 for dividing the inside of the liquid-liquid filtering tank 402 into a left filtering chamber and a right filtering chamber is provided at a middle portion of the liquid-liquid filtering tank 402, an oil passing hole for communicating the two filtering chambers is provided on the partition plate 403, and a liquid inlet; the left filter chamber is internally provided with a primary mounting seat 404 which controls the opening and closing of the oil passing hole by realizing the vertical floating through the pressure of the upper liquid, the primary mounting seat 404 is provided with a primary metal rubber filter element 405 with the oil-water separation function, the side wall of the right filter chamber is provided with an oil outlet with the height lower than the oil passing hole, the right filter chamber is internally provided with a secondary mounting seat 407 which controls the opening and closing of the oil outlet by realizing the vertical floating through the pressure of the upper liquid, and the secondary metal rubber filter element 40 with the oil-water separation function is arranged on the secondary mounting seat.
The metal rubber filter element with the oil-water separation function is subjected to surface treatment, and then has the oil-water separation function, the surface treatment mode is called an alkali etching method, the metal rubber is subjected to alkali etching treatment to prepare the super-hydrophilic and underwater super-oleophobic metal rubber, an oil-water mixture can be separated efficiently and quickly, and the metal rubber is mainly placed 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 explained.
In this embodiment, a water collecting tank 410 is arranged at the bottom inside the liquid-liquid filtering tank 402, the lower end of the liquid-liquid filtering tank 402 is connected with the water collecting tank 410 in an inserting manner, a water outlet is arranged on the water collecting tank, and a hose leading to the gas-liquid filtering device is connected with the oil outlet and the water outlet; a lower water gap positioned on the lower side of the first-stage metal rubber filter element is formed in the first-stage mounting seat 404, a first-stage spring 406 used for upwards pushing the first-stage metal rubber filter element to reset is arranged below the first-stage mounting seat, a lower water gap positioned on the lower side of the second-stage metal rubber filter element is also formed in the second-stage mounting seat, a second-stage spring 409 used for upwards pushing the second-stage metal rubber filter element to reset is arranged below the second-stage mounting seat, the rigidity of the first-stage spring 406 is greater than that of the second-stage spring 409, and annular brackets used for supporting the first-stage spring 406; the first-stage mounting seat 404 and the second-stage mounting seat 407 are respectively provided with a sinking groove for embedding the first-stage metal rubber filter element 405 and the second-stage metal rubber filter element 408, the water outlet is located at the bottom of the sinking groove, and the bottom surface of the sinking groove is an inclined plane with a low middle and a high side so as to facilitate drainage.
When the solution enters the left filter chamber of the liquid-liquid filtering device 4, the solution firstly passes through the primary metal rubber filter element 405, because the primary metal rubber filter element 405 has the function of separating oil from water, the oil liquid is retained on the upper side of the primary metal rubber filter element 405, and water falls into the water collecting tank 410 through the primary metal rubber filter element 405, as the liquid amount above the primary metal rubber filter element 405 increases, the primary spring 406 below the primary metal rubber filter element is continuously compressed, so that the height of the primary mounting seat 404 is continuously reduced, when the primary metal rubber filter element is reduced to a certain distance, the oil hole is initially blocked by the primary mounting seat 404 to be exposed, the oil liquid on the upper side of the primary metal rubber filter element 405 flows to the right filter chamber through the oil hole, the secondary metal rubber filter element 408 filters out the water in the residual oil liquid, and the filtering principle of the secondary metal rubber filter element 408 is the same as, with the increase of the liquid amount on the upper side of the secondary metal rubber filter element 408, the secondary spring 409 positioned below is continuously compressed, so that the height of the secondary mounting seat 407 is continuously reduced, when the secondary spring is reduced to a certain distance, the oil outlet is blocked by the secondary mounting seat 407 at first, and then the liquid on the upper side of the secondary metal rubber filter element 408 in the right filter chamber is exposed, and the liquid flows out from the oil outlet; when the outflow amount of the liquid in the left filtering chamber is larger than the inflow amount, the first-stage mounting seat 404 integrally rises due to the reduction of the liquid above, so that the opening degree of the oil passing hole is reduced, the solution flowing to the right filtering chamber is reduced, the inflow amount of the solution in the left filtering chamber is unchanged, the inflow amount of the solution in the left filtering chamber is larger than the outflow amount again, and the first-stage mounting seat 404 descends. Therefore, the circulation is repeated to form a period, so that the filtering speed tends to be stable, and the filtering precision and continuity are ensured.
In this embodiment, the exhaust grille 503 of the gas-liquid filtering apparatus is installed on the gas-liquid filtering tank 504 through screws, the oil groove 502 and the water tank 507 are drawer-type structures so as to be taken and placed conveniently, the side wall of the gas-liquid filtering tank is provided with an oil inlet and a water inlet which are respectively located above the oil groove and the water tank and are respectively connected with hoses of an oil outlet and a water outlet in the liquid-liquid filtering apparatus 4, valves 505 are installed on the oil inlet and the water inlet so as to control the on-off of the liquid inlet, the side wall of the gas-liquid filtering tank is provided with a barometer 501 and a motor 508 for driving the exhaust fan 506, the barometer 501 is used for monitoring the internal pressure of the gas-liquid filtering tank 504.
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 are kept in an open state, negative pressure can be formed in the whole filtering device, the filtering speed can be accelerated, and the filtering thoroughness is ensured. The oil and water separated by the liquid-liquid filtering box 402 respectively flow into the water inlet and the oil inlet of the gas-liquid filtering box 504, after all liquid enters the gas-liquid filtering box 504, the valve 505 positioned on the water inlet and the oil inlet is closed to ensure that no other gas enters the gas-liquid filtering box 504, under the action of negative pressure, the gas dissolved in the oil and the water is discharged through the exhaust grille 503, the filtering end time is judged according to the number of the air pressure meter 501, and finally the oil groove 502 and the water groove 507 are pumped out to obtain pure water and pure oil.
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, active carbon, porous stainless steel and the like, gives consideration to the comprehensive filtration of three substances of solid and liquid 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 filtering precision of the filter materials in the traditional filter; it has the following advantages:
1) compared with the traditional filter, the metal rubber has good permeability, controllable pore diameter, large specific surface area and fatigue resistance, so that the service life of the filter is effectively prolonged, the maintenance cost is reduced, and the filtering efficiency and the filtering precision are improved;
2) the solid-liquid filtering device 2 and the liquid-liquid filtering device 4 are respectively provided with two stages of filtering elements, so that the filtering precision is greatly ensured, and meanwhile, the filtering flow can be adjusted in the solid-liquid filtering device, so that the filtering speed is controllable;
3) the use of the spring in the liquid-liquid filtering device 4 can form a stable filtering period in the filter, thereby improving the working continuity of the filter;
4) the disassembly-free cleaning of the solid-liquid filtering device is realized, the solid-liquid filtering device can be repeatedly used, and the times of replacing the filtering material are greatly reduced;
5) the filter uses the liquid gravity and the pressure difference as the filtering driving force, the filtering thoroughness can be ensured, the gas-liquid filtering device is positioned at the end, the influence of gas in the container in the filtering process can be eliminated, and the filtering precision is ensured.
The working method of the solid-liquid-gas three-phase filter based on the metal rubber comprises the following steps: (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 flows into the solid-liquid filter cylinder 202 uniformly from the liquid inlet of the cylinder cover 201 of the solid-liquid filter device along the inner wall of the cylinder cover, flows to the upper metal rubber filter element 209 through the flow measuring disc 208, the solid impurities with larger granularity are left in the upper metal rubber filter element 209, the residual solution continues to flow to the lower metal rubber filter element 211, the residual solid impurities with smaller granularity are all left in the lower metal rubber filter element 211 due to the smaller aperture of the lower metal rubber filter element 211, the waste liquid cover 214 is always kept in a closed state in the filtering process, and the filtered solution flows into the liquid-liquid filter device 4 through the side port of the T-shaped pipe 213;
(2) the solution with the solid impurities filtered out enters a liquid-liquid filtering device for oil-water separation treatment; when the solution enters the left filter chamber of the liquid-liquid filtering device 4, the solution firstly passes through the primary metal rubber filter element 405, because the primary metal rubber filter element 405 has the function of separating oil from water, the oil liquid is retained on the upper side of the primary metal rubber filter element 405, and water falls into the water collecting tank 410 through the primary metal rubber filter element 405, as the liquid amount above the primary metal rubber filter element 405 increases, the primary spring 406 below the primary metal rubber filter element is continuously compressed, so that the height of the primary mounting seat 404 is continuously reduced, when the primary metal rubber filter element is reduced to a certain distance, the oil hole is initially blocked by the primary mounting seat 404 to be exposed, the oil liquid on the upper side of the primary metal rubber filter element 405 flows to the right filter chamber through the oil hole, the secondary metal rubber filter element 408 filters out the water in the residual oil liquid, and the filtering principle of the secondary metal rubber filter element 408 is the same as, with the increase of the liquid amount on the upper side of the secondary metal rubber filter element 408, the secondary spring 409 positioned below is continuously compressed, so that the height of the secondary mounting seat 407 is continuously reduced, when the secondary spring is reduced to a certain distance, the oil outlet is blocked by the secondary mounting seat 407 at first, and then the liquid on the upper side of the secondary metal rubber filter element 408 in the right filter chamber is exposed, and the liquid flows out from the oil outlet; when the liquid outflow in the left filtering chamber is larger than the inflow, the first-stage mounting seat 404 integrally rises due to the reduction of the liquid above, so that the opening of the oil passing hole is reduced, the solution flowing to the right filtering chamber is reduced, and the solution inflow in the left filtering chamber is unchanged, so that the solution inflow in the left filtering chamber is larger than the outflow again, and the first-stage mounting seat 404 descends, so that the circulation is repeated, a period is formed, the filtering speed tends to be stable, and the filtering precision and continuity are ensured; (3) oil liquid and water after oil-water separation respectively enter an oil groove and a water groove in the gas-liquid filtering box body, after all liquid enters the gas-liquid filtering box body 504, a valve 505 positioned on a water inlet and the oil inlet is closed, it is ensured that other gas cannot enter the gas-liquid filtering box body 504, gas dissolved in the oil liquid and the water is discharged through an exhaust grille under the action of negative pressure, and finally the oil groove 502 and the water groove 507 are pumped out, so that pure water and pure oil are obtained.
Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.
If the invention discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes 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 examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a solid-liquid-gas three-phase filter based on metal rubber which characterized in that: the air-liquid separation device comprises a frame, wherein a solid-liquid filtering device for solid-liquid separation, a liquid-liquid filtering device for oil-water separation and an air-liquid filtering device for air-liquid separation are installed on the frame, the solid-liquid filtering device, the liquid-liquid filtering device and the air-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 air-liquid filtering device comprises an air-liquid filtering box, an oil groove and a water groove are formed in the air-liquid filtering box, an exhaust grating is arranged on the upper side surface of the air-liquid filtering box, and an exhaust fan located on the lower.
2. The metal-rubber-based solid-liquid-gas three-phase filter according to claim 1, wherein: the solid-liquid filtering device comprises a solid-liquid filtering cylinder, the middle part of the solid-liquid filtering cylinder is hinged on the rack, a horn-shaped cylinder cover with a large lower part and a small upper part is arranged at the upper end of the solid-liquid filtering cylinder, and a liquid inlet is formed in 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 which are arranged one above the other are arranged below the flow disc, and the lower end of the solid-liquid filter cartridge is provided with a liquid outlet.
3. The metal-rubber-based solid-liquid-gas three-phase filter according to claim 2, characterized in that: solid-liquid cartridge filter inside is provided with can rotate and link together relative solid-liquid cartridge filter and goes up mounting bracket and lower mounting bracket, and upper metal rubber filter element installs between upper and lower mounting bracket, and lower floor's metal rubber filter element installs in lower mounting bracket lower extreme, the flow dish includes fixed disk and the activity dish of pasting the fixed disk downside and installing on last mounting bracket of fixed disk fixed mounting in solid-liquid cartridge filter inner wall and lieing in upper metal rubber filter element top.
4. The metal-rubber-based solid-liquid-gas three-phase filter according to claim 3, wherein: the upper end of the solid-liquid filter cylinder is internally provided with a movable sleeve body which can rotate relative to the solid-liquid filter cylinder, the side wall of the upper end of the solid-liquid filter cylinder is provided with a transverse long hole, and the transverse long hole is provided with an adjusting rod which penetrates through the movable sleeve body and is connected to the upper end of the upper mounting frame so as to drive the upper mounting frame and the lower mounting frame to rotate through the swing.
5. The metal-rubber-based solid-liquid-gas three-phase filter according to claim 2, characterized in that: and 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, a lower end interface of the T-shaped pipe is in threaded connection with a waste liquid cover, and a side interface of the T-shaped pipe is connected with a hose leading to the liquid-liquid filter device.
6. The metal-rubber-based solid-liquid-gas three-phase filter according to claim 1, wherein: the liquid-liquid filtering device comprises a liquid-liquid filtering tank, wherein a partition plate which divides the inside into a left filtering chamber and a right filtering chamber is arranged in the middle of the liquid-liquid filtering tank, oil passing holes which are communicated with the two filtering chambers are formed in the partition plate, a first-stage mounting seat which controls the opening and closing of the oil passing holes through the up-and-down floating of the upper liquid pressure is arranged in the left filtering chamber, a first-stage metal rubber filtering element with an oil-water separation function is mounted on the first-stage mounting seat, an oil outlet which is lower than the oil passing holes in height is formed in the side wall of the right filtering chamber, a second-stage mounting seat which controls the opening and closing of the oil outlet through the up-and-down floating of.
7. The metal-rubber-based solid-liquid-gas three-phase filter according to claim 6, wherein: the bottom is provided with the water catch bowl in the liquid-liquid filter box, be provided with the delivery port on the water catch bowl, set up the lower mouth of a river that is located one-level metal rubber filter element downside on the one-level mount pad, the one-level mount pad below is provided with and is used for upwards promoting its one-level spring that resets, also sets up the lower mouth of a river that is located second grade metal rubber filter element downside on the second grade mount pad, and second grade mount pad below is provided with and is used for upwards promoting its second grade spring that resets.
8. The metal-rubber-based solid-liquid-gas three-phase filter according to claim 1, wherein: the oil groove and the water groove are of drawer type structures, the side wall of the gas-liquid filtering box is provided with an oil inlet and a water inlet which are respectively positioned above the oil groove and the water groove, and the side wall of the gas-liquid filtering box is provided with a barometer and a motor used for driving an exhaust fan.
9. A method of operating a metal rubber based solid-liquid-gas three-phase filter according to claim 1, characterized in that: the method comprises the following steps: (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 a 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) oil liquid and water after oil-water separation respectively enter an oil groove and a water groove in the gas-liquid filtering box body, and gas dissolved in the oil liquid and the water is discharged through an exhaust grille under the action of negative pressure to obtain pure water and pure oil.
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| CN111054135B (en) | 2023-07-28 |
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