CN217016982U - Filter screen subassembly for electrostatic oil smoke clarifier - Google Patents

Abstract

The utility model relates to the technical field of range hoods and discloses a filter screen assembly for an electrostatic oil smoke purifier. The utility model can ensure that the filter screen component forms an integrated structure by locking and fixing the preposed filter component and the ionization filter component through the locking component, is convenient to disassemble and assemble, and is convenient for workers to overhaul and clean.

Description

Filter screen subassembly for electrostatic oil smoke clarifier

Technical Field

The utility model relates to the technical field of range hoods, in particular to a filter screen assembly for an electrostatic oil smoke purifier.

Background

The electrostatic oil fume purifier is mainly used for purifying and treating the oil fume in the kitchens of hotels, restaurants, wineries, restaurants, schools, institutions, factories and other places; frying and cooking food; oil splashing heat treatment workshop, oil mist lubrication workshop, workpiece welding workshop, olefin oil boiler emission and other industrial occasions.

The oil fume is sucked into the electrostatic oil fume purifier by the fan, wherein partial large oil fume drops and oil dirt particles are captured on the flow equalizing plate due to mechanical collision and blocking, when air flow enters a high-voltage electrostatic field, oil fume gas is ionized under the action of the high-voltage electric field, most oil fume is degraded and carbonized, a small part of small oil particles move towards positive and negative plates of the electric field under the action of the electric field force of an adsorption electric field and the air flow and are collected on the plates and flow to an oil collecting tray under the action of self gravity, the oil fume is discharged through an oil discharge channel, the rest micron-sized oil fume is degraded into carbon dioxide and water by the electric field, and finally clean air is discharged.

But the filter screen subassembly that electrostatic oil smoke clarifier on the existing market used is mostly the disconnect-type structure, and when its dismouting was inconvenient, it was comparatively low again to the conductivity of flue gas, and to the oil smoke purification in-process, the large granule greasy dirt in the oil smoke is piling up down for a long time, very easily takes place to block up, leads to the purification efficiency of flue gas low. Therefore, those skilled in the art have provided a screen assembly for an electrostatic oil smoke purifier to solve the above problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a filter screen assembly for an electrostatic oil smoke purifier, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a filter screen assembly for an electrostatic oil fume purifier comprises a hoop square frame, wherein a front-mounted filter assembly is sleeved on one side of the hoop square frame, an ionization filter assembly is sleeved on the other side of the hoop square frame, and the hoop square frame is respectively fixed with the front-mounted filter assembly and the ionization filter assembly through locking assemblies in a locking manner;

the pre-filter assembly comprises a flue gas filtering air pipe, an air inlet mesh enclosure is buckled at an air inlet port of the flue gas filtering air pipe, a pre-filter is arranged at the middle position of the inner side of the flue gas filtering air pipe, a cleaning shunt pipe is arranged at one side position of a top corner of the flue gas filtering air pipe, a liquid inlet of the cleaning shunt pipe is connected with a cleaning valve head, a cleaning spray head is symmetrically connected to a liquid outlet of the cleaning shunt pipe, a washing shunt pipe is arranged at the other side position of the top corner of the flue gas filtering air pipe, a washing valve head is connected to a liquid inlet of the washing shunt pipe, a washing spray head is symmetrically connected to the liquid outlet of the washing shunt pipe, and a sewage discharge valve head is connected to the bottom position of the front side of the flue gas filtering air pipe;

the ionization filtering component comprises a smoke ionization air pipe, an exhaust mesh enclosure is buckled at an exhaust port of the smoke ionization air pipe, and an electrostatic filter is arranged on the inner side of the smoke ionization air pipe;

the utility model discloses a flue gas ionization air pipe, including the cuff, the inside of locking guide rail frame is located middle part position department and rotates and be connected with the propelling movement lead screw, and the front side of locking guide rail frame is located middle part position department and imbeds and be connected with the locking handle, the output of locking handle is provided with the transmission worm, the middle part of propelling movement lead screw is provided with the transmission worm wheel that meshes with the transmission worm, and the outside symmetrical cover of propelling movement lead screw is equipped with two sets of propelling movement silk covers, the outside cover of propelling movement silk cover is equipped with the propelling movement slip table, the bilateral symmetry of propelling movement slip table is provided with arm power branch, the top of arm power branch is provided with the locking cutting ferrule.

As a still further scheme of the utility model: the push screw rod takes a center line as a boundary, positive and negative screw teeth which are symmetrically arranged are respectively arranged on two sides of the center line, and the push screw rod is symmetrically sleeved with the push screw sleeve through the positive and negative screw teeth.

As a still further scheme of the utility model: the locking clamping sleeve is of a semicircular structure, the inner diameter of the locking clamping sleeve is matched with the outer diameters of the first buckle and the second buckle respectively, and the locking clamping sleeve corresponds to the first buckle and the second buckle one by one respectively.

As a still further scheme of the utility model: the number of the cleaning spray heads is two groups, one group of the cleaning spray heads in the two groups horizontally inclines downwards by 30 degrees, and the other group horizontally inclines downwards by 60 degrees.

As a still further scheme of the utility model: the number of the washing nozzles is two groups, one group of the two groups of the washing nozzles horizontally inclines downwards by 30 degrees, and the other group of the washing nozzles horizontally inclines downwards by 60 degrees.

As a still further scheme of the utility model: the middle parts of the frames of the flue gas filtering air pipe and the flue gas ionization air pipe are provided with elastic buckles, and the flue gas filtering air pipe and the flue gas ionization air pipe are respectively in interference clamping with the air inlet mesh enclosure and the air exhaust mesh enclosure through the elastic buckles.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model can ensure that the filter screen component forms an integrated structure by locking and fixing the preposed filter component and the ionization filter component through the locking component, is convenient to disassemble and assemble, and is convenient for workers to overhaul and clean, and meanwhile, the preposed filter component and the hoop of the ionization filter component are clamped through the hoop square frame, so that the smoke can keep a stable and uniform circulation state, the conduction efficiency of the smoke is ensured, and in the process of filtering and purifying the smoke, the cleaning spray head and the flushing spray head in the preposed filter component can clean and flush the adhered large-particle oil stains, thereby ensuring the circulation efficiency of oil smoke purification.

Drawings

FIG. 1 is a schematic view of a filter screen assembly for an electrostatic oil smoke purifier;

FIG. 2 is a schematic structural diagram of a locking assembly in a strainer assembly for an electrostatic lampblack purifier;

FIG. 3 is a schematic structural view of a pre-filter assembly in a filter screen assembly for an electrostatic lampblack purifier;

fig. 4 is a schematic structural diagram of an ionization filtering component in a filtering screen component for an electrostatic oil fume purifier.

In the figure: 1. a ferrule block; 2. a flue gas filtering air pipe; 3. an air intake screen; 4. cleaning the valve head; 5. flushing the valve head; 6. a first buckle; 7. a blowdown valve head; 8. a flue gas ionization air pipe; 9. an exhaust screen; 10. a second buckle; 11. locking the guide rail frame; 12. locking the handle; 13. pushing the screw rod; 14. pushing the thread sleeve; 15. pushing the sliding table; 16. an arm force strut; 17. locking the clamping sleeve; 18. a drive worm gear; 19. a drive worm; 20. a pre-filter; 21. cleaning the shunt pipe; 22. cleaning the spray head; 23. flushing the shunt pipe; 24. washing the spray head; 25. an electrostatic filter.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the present invention, a filter screen assembly for an electrostatic oil smoke purifier includes a ferrule frame 1, a front filter assembly is sleeved on one side of the ferrule frame 1, an ionization filter assembly is sleeved on the other side of the ferrule frame 1, the ferrule frame 1 is respectively fixed to the front filter assembly and the ionization filter assembly by a locking assembly, the front filter assembly includes a smoke filtering air duct 2, an air inlet mesh enclosure 3 is fastened to an air inlet port of the smoke filtering air duct 2, a front filter 20 is disposed at a middle position of an inner side of the smoke filtering air duct 2, a cleaning shunt tube 21 is disposed at one side of a top corner of the smoke filtering air duct 2, a cleaning valve head 4 is connected to a liquid inlet of the cleaning shunt tube 21, a cleaning nozzle 22 is symmetrically connected to a liquid outlet of the cleaning shunt tube 21, a flushing shunt tube 23 is disposed at the other side of the top corner of the smoke filtering air duct 2, the liquid inlet of flushing shunt tubes 23 is connected with a flushing valve head 5, and the liquid outlet symmetric connection of flushing shunt tubes 23 is provided with a flushing spray head 24, the front side of the flue gas filtering air pipe 2 is provided with a blowdown valve head 7 at the bottom position, the number of cleaning spray heads 22 is two groups, one group of cleaning spray heads 22 is inclined downwards by 30 degrees, the other group of cleaning spray heads 22 is inclined downwards by 60 degrees, the number of the flushing spray heads 24 is two groups, one group of cleaning spray heads 24 is inclined downwards by 30 degrees, the other group of cleaning spray heads is inclined downwards by 60 degrees, in the flue gas purification process, when the large-particle oil stains adhered on the front filter 20 are adhered, the cleaning liquid such as cleaning liquid is conveyed into the cleaning shunt tubes 21 through the cleaning valve head 4, and then is sprayed out through the two groups of cleaning spray heads 22, the large-particle oil stains adhered on the front filter 20 are subjected to degradation and purification treatment, after the oil stains are degraded, the flushing liquid is conveyed into the flushing shunt pipe 23 through the flushing valve head 5, and then is sprayed out through the two groups of flushing nozzles 24, the degraded oil stain on the pre-filter 20 is flushed and cleaned, and the flushed waste water falls into the bottom of the flue gas filtering air pipe 2 and is discharged through the sewage discharge valve head 7.

The ionization filtering component comprises a flue gas ionization air pipe 8, an exhaust mesh enclosure 9 is buckled at an exhaust port of the flue gas ionization air pipe 8, an electrostatic filter 25 is arranged on the inner side of the flue gas ionization air pipe 8, elastic buckles are arranged in the middle of the frames of the flue gas filtration air pipe 2 and the flue gas ionization air pipe 8, the flue gas filtration air pipe 2 and the flue gas ionization air pipe 8 are respectively buckled with an air inlet mesh enclosure 3 and an exhaust mesh enclosure 9 in an interference manner through elastic buckles, in the using filter screen component, flue gas is conveyed into the flue gas filtration air pipe 2 through the air inlet mesh enclosure 3, large-particle oil contamination in the flue gas is filtered and isolated through a front filter 20, the filtered flue gas is conveyed into the electrostatic filter 25 in the flue gas ionization air pipe 8 under the directional conduction of a hoop square frame 1, when the flue gas enters the electrostatic filter 25, under the action of a high-voltage electric field, the oil smoke gas is ionized, the oil mist is charged, most of the oil particles are degraded and carbonized, a small part of the oil particles move to the positive and negative plates of the electric field under the action of the electric field force and the airflow of the adsorption electric field and are collected on the plates and flow to the oil collecting tray under the action of self gravity, and the purified flue gas is discharged outside through the exhaust mesh enclosure 9.

The locking assembly comprises locking guide rail frames 11 symmetrically fixed at the front side and the rear side of the cuff square frame 1, first buckles 6 symmetrically fixed at the front side and the rear side of the flue gas filtering air pipe 2 and second buckles 10 symmetrically fixed at the front side and the rear side of the flue gas ionization air pipe 8, the inner side of the locking guide rail frame 11 is rotatably connected with a pushing screw rod 13 at the middle position, a locking handle 12 is embedded and connected at the middle position of the front side of the locking guide rail frame 11, the output end of the locking handle 12 is provided with a transmission worm 19, the middle part of the pushing screw rod 13 is provided with a transmission worm gear 18 meshed with the transmission worm 19, two groups of pushing screw sleeves 14 are symmetrically sleeved at the outer side of the pushing screw rod 13, a pushing sliding table 15 is sleeved at the outer side of the pushing screw sleeve 14, arm force support rods 16 are symmetrically arranged at the two sides of the pushing sliding table 15, a locking clamping sleeve 17 is arranged at the top end of the arm force support rod 16, and the pushing screw rod 13 takes the center line as the boundary, the two sides of the center line are respectively provided with a positive thread and a negative thread which are symmetrically arranged, the push screw rod 13 is symmetrically sleeved with the push screw sleeve 14 through the positive thread and the negative thread, the locking cutting sleeve 17 is of a semicircular structure, the inner diameter of the locking cutting sleeve 17 is respectively matched with the outer diameters of the first buckle 6 and the second buckle 10, the locking cutting sleeve 17 is respectively in one-to-one correspondence with the first buckle 6 and the second buckle 10, when the filter screen component is assembled, a worker sequentially assembles the preposed filter component and the ionized filter component at the two sides of the hoop square frame 1, after the assembly is finished, the worker rotates the locking handle 12 to drive the rotating transmission worm 19, the push screw rod 13 is driven to rotate through the meshing transmission of the transmission worm 19 and the transmission worm gear 18, the push screw rod 13 pushes the push sliding table 15 outside the push screw sleeve 14 to symmetrically slide in the locking guide rail frame 11 in the rotating process, the arm force supporting rods 16 synchronously and symmetrically slide, the locking clamping sleeves 17 are respectively pressed on the first clamping buckles 6 and the second clamping buckles 10, and the front-mounted filtering component and the ionization filtering component are assembled to be integrally assembled and fixed, so that the smoke keeps integrally circulated and purified.

The working principle of the utility model is as follows: in the using filter screen assembly, the flue gas is conveyed into a flue gas filtering air pipe 2 through an air inlet mesh enclosure 3, large-particle oil stains in the flue gas are filtered and isolated through a pre-filter 20, the filtered flue gas is conveyed into an electrostatic filter 25 in a flue gas ionization air pipe 8 under the directional conduction of a hoop square frame 1, when the flue gas enters the electrostatic filter 25, under the action of a high-voltage electric field, the oil smoke is ionized, oil mist is charged, most of the oil mist is degraded and carbonized, a small part of small oil particles move to positive and negative polar plates of the electric field under the action of the electric field force of an adsorption electric field and airflow and are collected on the polar plates and flow to an oil collecting tray under the action of self gravity, the purified flue gas is discharged outside through an air exhaust mesh enclosure 9, and in the flue gas purification process, when more large-particle oil stains are adhered on the pre-filter 20, cleaning liquid such as cleaning valve head liquid is conveyed into a cleaning flow dividing pipe 21 through a cleaning valve head 4, and then spout through two sets of cleaning nozzle 22, carry out degradation purification treatment to the large granule greasy dirt of adhesion on the prefilter 20, after the greasy dirt degradation finishes, wash the liquid and carry to washing the shunt tubes 23 in through washing valve head 5, and then spout through two sets of washing nozzle 24, wash the cleaning treatment to the greasy dirt after the degradation on the prefilter 20, waste water after the washing falls into flue gas filtration tuber pipe 2 bottom, discharges through blowdown valve head 7.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims (6)

1. A filter screen component for an electrostatic oil fume purifier comprises a hoop square frame (1), and is characterized in that a front-mounted filter component is sleeved on one side of the hoop square frame (1), an ionization filter component is sleeved on the other side of the hoop square frame (1), and the hoop square frame (1) is respectively fixed with the front-mounted filter component and the ionization filter component through locking components in a locking manner;

the preposed filtering component comprises a flue gas filtering air pipe (2), an air inlet mesh enclosure (3) is buckled at an air inlet port of the flue gas filtering air pipe (2), and the inner side of the flue gas filtering air pipe (2) is provided with a pre-filter (20) at the middle position, a cleaning shunt pipe (21) is arranged at one side of the corner at the top end of the flue gas filtering air pipe (2), a liquid inlet of the cleaning shunt pipe (21) is connected with a cleaning valve head (4), the liquid outlet of the cleaning shunt pipe (21) is symmetrically connected with cleaning spray heads (22), a washing shunt pipe (23) is arranged at the other side of the corner of the top end of the flue gas filtering air pipe (2), the liquid inlet of the flushing shunt pipe (23) is connected with a flushing valve head (5), and the liquid outlet of the flushing shunt pipe (23) is symmetrically connected with a flushing nozzle (24), a blowdown valve head (7) is connected to the bottom end position of the front side of the flue gas filtering air pipe (2);

the ionization filtering component comprises a smoke ionization air pipe (8), an exhaust mesh cover (9) is buckled at an exhaust port of the smoke ionization air pipe (8), and an electrostatic filter (25) is arranged on the inner side of the smoke ionization air pipe (8);

the locking assembly comprises a locking guide rail frame (11) and a second buckle (10), wherein the locking guide rail frame (11) and the symmetry at the positions of the front side and the rear side of a hoop square frame (1) are fixed symmetrically, the first buckle (6) and the symmetry at the positions of the front side and the rear side of a flue gas filtering air pipe (2) are fixed symmetrically, the second buckle (10) is fixed symmetrically at the positions of the front side and the rear side of a flue gas ionizing air pipe (8), the inner side of the locking guide rail frame (11) is located at the middle position and is connected with a pushing screw rod (13) in a rotating manner, the front side of the locking guide rail frame (11) is embedded in the middle position and is connected with a locking handle (12), the output end of the locking handle (12) is provided with a transmission worm (19), the middle of the pushing screw rod (13) is provided with a transmission worm wheel (18) meshed with the transmission worm (19), the outer side of the pushing screw rod (13) is symmetrically sleeved with two groups of pushing screw sleeves (14), and a pushing sliding table (15), arm power supporting rods (16) are symmetrically arranged on two sides of the pushing sliding table (15), and locking clamping sleeves (17) are arranged at the top ends of the arm power supporting rods (16).

2. The filter screen assembly for the electrostatic oil smoke purifier as claimed in claim 1, wherein said pushing screw rod (13) is bounded by a central line, and two sides of the central line are respectively provided with a front thread and a back thread which are symmetrically arranged, and said pushing screw rod (13) is symmetrically sleeved with a pushing screw sleeve (14) through the front thread and the back thread.

3. The electrostatic oil fume purifier filter screen assembly according to claim 1, wherein the locking clamping sleeve (17) is of a semicircular structure, the inner diameter of the locking clamping sleeve (17) is respectively matched with the outer diameters of the first buckle (6) and the second buckle (10), and the locking clamping sleeve (17) is respectively in one-to-one correspondence with the first buckle (6) and the second buckle (10).

4. The electrostatic oil smoke purifier filter screen assembly according to claim 1, wherein the number of the cleaning nozzles (22) is two groups, one group of the cleaning nozzles (22) in the two groups is inclined downwards by 30 degrees horizontally, and the other group is inclined downwards by 60 degrees horizontally.

5. The electrostatic oil smoke purifier filter screen assembly according to claim 1, wherein the number of the washing nozzles (24) is two, one of the two washing nozzles (24) is inclined downward by 30 ° and the other is inclined downward by 60 °.

6. The electrostatic oil smoke purifier filter screen assembly according to claim 1, wherein the middle portions of the frames of the flue gas filtering air pipe (2) and the flue gas ionization air pipe (8) are respectively provided with an elastic buckle, and the flue gas filtering air pipe (2) and the flue gas ionization air pipe (8) are respectively in interference fit with the air inlet mesh enclosure (3) and the air outlet mesh enclosure (9) through the elastic buckles.

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