CN116078006B - Mechanical filter based on constant pressure technology - Google Patents
Mechanical filter based on constant pressure technology Download PDFInfo
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- CN116078006B CN116078006B CN202310176537.2A CN202310176537A CN116078006B CN 116078006 B CN116078006 B CN 116078006B CN 202310176537 A CN202310176537 A CN 202310176537A CN 116078006 B CN116078006 B CN 116078006B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
- B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/28—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed moving during the filtration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a mechanical filter based on a constant pressure technology, which belongs to the technical field of purifying equipment and comprises a mechanical filter main body, wherein filter media are filled in the mechanical filter main body, and an upper medium connecting pipe and a lower medium connecting pipe are respectively clamped on the outer surface of the mechanical filter main body corresponding to the top layer and the bottom layer of the filter media. According to the invention, the filter medium falling to the bottom of the conical cylinder is introduced into the lower medium diversion box through the medium suction pipe by the pure medium suction pump, and finally refilled into the mechanical filter main body through the medium introduction pipes and the lower medium connection pipes, and the filter medium at the bottommost layer is pushed to flow upwards, so that the circulating flow of the filter medium is effectively ensured, the filter medium can be continuously purified under the condition of continuous shutdown, the integral permeability of the filter medium is effectively ensured, the increase of the internal pressure of the mechanical filter main body caused by blockage is avoided, the flow direction of water to be purified is not required to be switched, the structure is simple, and the practicability is strong.
Description
Technical Field
The invention belongs to the technical field of purifying equipment, and particularly relates to a mechanical filter based on a constant pressure technology.
Background
The full-automatic multi-medium filter, also called mechanical filter, is mainly used for removing suspended matters and solid particles in water. Suspended solids are non-colloidal solid materials that are insoluble in water and which can precipitate when conditions are appropriate. The filter is used for intercepting suspended solids, and the weight difference before and after the filter medium is used as the basis for measuring the function of the filter. The filter media generally uses a filter media of d=0.5 to 1.0mm, and single-layer filtration, double-layer filtration, and multi-layer filtration may be employed depending on impurity components in water.
The prior art discloses an invention patent in the technical field of partial purification equipment, wherein Chinese patent CN110075585B discloses a mechanical filter which comprises a tank body, a water inlet and outlet component, an upper air inlet pipe, a lower air inlet pipe, a reverse water inlet pipe, an adjusting turntable, a lifting motor, a sewage drain pipe and a filtering component; the utility model discloses a jar body, including jar body, filter element and washing mode, jar body is connected through the business turn over water component between the jar body, is provided with upper intake pipe, lower floor's intake pipe and reverse inlet tube on the jar body lateral wall, jar body upper end is provided with the regulation carousel, jar body's lower extreme is provided with elevator motor and blow off pipe, jar internal portion is provided with the filter element, and this technical scheme has solved current mechanical filter and can not clear up simultaneously, filter and the washing that the mode singly caused the problem of clearance is not thorough to reach incessant filtration and self-cleaning thoroughly effect.
The mechanical filter in the prior art still has some defects in the using process, although the cleaning, filtering and flushing of the mechanical filter are synchronously carried out by a switching technology, the water pressure required by back flushing is high and the water consumption is large for all filter media, after the mechanical filter is used for a long time, the deposition amount of particles is increased, the deposited particles can block gaps in the middle of a filter material, the water permeability of the filter media is reduced, and then the pressure intensity in the mechanical filter can be increased.
Based on the above, the invention designs a mechanical filter based on constant pressure technology to solve the above problems.
Disclosure of Invention
The invention aims at: in order to solve the defects that the mechanical filter in the prior art still has some defects in the using process, although the cleaning, filtering and flushing of the mechanical filter are synchronously carried out through a switching technology, the water pressure required by back flushing of all filter media is high, the water consumption is large, after the mechanical filter is used for a long time, the deposition amount of particles is increased, the deposited particles can block gaps in the middle of a filter material, the water permeability of the filter media is reduced, and the pressure intensity in the mechanical filter is increased.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the mechanical filter based on the constant pressure technology comprises a mechanical filter main body, wherein filter media are filled in the mechanical filter main body, an upper medium connecting pipe and a lower medium connecting pipe are respectively clamped on the outer surface of the mechanical filter main body corresponding to the top layer and the bottom layer of the filter media, and a medium circulation component is sleeved on the periphery of the mechanical filter main body corresponding to the upper medium connecting pipe and the lower medium connecting pipe;
the top of the medium circulation component is communicated with a pure medium suction pump, a suction port of the pure medium suction pump is communicated with a medium suction pipe, a medium separation component and a medium mixed flow component are arranged between the other end of the medium suction pipe and the medium circulation component, and medium introduced by the upper medium connecting pipe flows back through the lower medium connecting pipe after being backwashed and purified by the medium mixed flow component and the medium separation component.
As a further description of the above technical solution:
the medium circulation assembly comprises an upper medium confluence box and a lower medium diversion box, the upper medium confluence box is sleeved on the periphery of the mechanical filter main body, a medium eduction tube is connected to the top of the upper medium confluence box, the other end of the medium eduction tube is connected to one end of the upper medium connecting tube, which is close to the upper medium connecting tube, the medium eduction tubes are multiple, and the medium eduction tubes are in annular arrays.
As a further description of the above technical solution:
the lower medium split box is sleeved on the periphery of the mechanical filter main body, the bottom of the lower medium split box is communicated with a medium introducing pipe, the other end of the medium introducing pipe is communicated with one end close to the lower medium connecting pipe, the number of the medium introducing pipes is multiple, and the medium introducing pipes are in an annular array.
As a further description of the above technical solution:
the upper medium connecting pipe and the lower medium connecting pipe are obliquely arranged, and the included angle between the upper medium connecting pipe and the lower medium connecting pipe and the mechanical filter main body is within the range of 50-80 degrees.
As a further description of the above technical solution:
the medium mixed flow assembly comprises a mixed medium suction pump, a suction port of the mixed medium suction pump is communicated with the bottom of an upper medium confluence box, a discharge port of the mixed medium suction pump is communicated with a medium ingress pipe, the other end of the medium ingress pipe is communicated with a medium mixed flow tank, a chassis is clamped in a tank opening at the bottom of the medium mixed flow tank, the bottom of the chassis is rotationally connected with a backwash liquid ingress pipe through a sealing bearing, and a water wheel is embedded in the backwash liquid ingress pipe.
As a further description of the above technical solution:
the top end of the back flushing liquid ingress pipe is provided with a plurality of opposite flushing spray holes corresponding to the medium ingress pipe, the surface of the back flushing liquid ingress pipe is clamped with a plurality of mixed flow blades, the mixed flow blades are in an annular array, and one end of the mixed flow blades, which is far away from the back flushing liquid ingress pipe, is provided with a plurality of mixed flow spray holes.
As a further description of the above technical solution:
the medium separation assembly comprises a mixed flow medium discharge pipe, one end of the mixed flow medium discharge pipe is connected to the outer surface of the medium mixed flow tank, the other end of the mixed flow medium discharge pipe is connected with a tangential inlet pipe, the other end of the tangential inlet pipe is connected to the outer surface of a cylinder barrel in a tangential mode, a conical barrel is fixedly connected to the bottom of the cylinder barrel, a diversion barrel is fixedly connected to the top of the cylinder barrel, and a tangential outlet pipe is connected to the outer surface of the diversion barrel in a tangential mode.
As a further description of the above technical solution:
guide vanes are embedded in the inner side of the cylinder barrel, the top of each guide vane is fixedly connected with a shunt shaft, an electric motor is fixedly installed at the top end of each shunt shaft, and the bottom of the electric motor body is fixedly installed at the top of each shunt barrel.
As a further description of the above technical solution:
the end of the medium suction pipe is connected to the bottom of the conical cylinder, and the discharge port of the pure medium suction pump is connected to the top of the lower medium diversion box.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, the filter medium falling to the bottom of the conical cylinder is introduced into the lower medium diversion box through the medium suction pipe by the pure medium suction pump, and finally refilled into the mechanical filter main body through the medium introduction pipes and the lower medium connection pipes, and the filter medium at the bottommost layer is pushed to flow upwards, so that the circulating flow of the filter medium is effectively ensured, the filter medium can be continuously purified under the condition of continuous shutdown, the integral permeability of the filter medium is effectively ensured, the increase of the internal pressure of the mechanical filter main body caused by blockage is avoided, the flow direction of water to be purified is not required to be switched, the structure is simple, and the practicability is strong.
2. In the water treatment process of the mechanical filter main body, the density of the filter medium filled in the mechanical filter main body is higher than that of water, so that the top layer part of the filter medium can be converged into the upper medium converging box along the inclined upper medium connecting pipes and the medium eduction pipes, a plurality of upper medium connecting pipes are arranged, and the upper medium connecting pipes are in an annular array, so that the top layer part of the filter medium can be slowly extracted in multiple directions, the influence on the top of the filter medium in the sucking process is reduced to a certain extent, and the relative stability of the top of the filter medium is effectively ensured.
3. According to the invention, the back flushing liquid ingress pipe drives the plurality of mixed flow blades to rotate, and part of the back flushing liquid in the back flushing liquid ingress pipe is jetted out through the opposite flushing jet holes in the process, and the back flushing liquid jetted out through the opposite flushing jet holes directly opposite flushing with the filter medium led in by the medium ingress pipe, so that the filter medium can be separated from the adhesive substances, and the rest of the back flushing liquid is jetted out through the mixed flow jet holes and mixed under the action of the mixed flow blades, so that the filter medium and the adhesive substances are greatly promoted to be separated.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a mechanical filter based on the constant pressure technology;
FIG. 2 is a schematic structural diagram of an upper medium connection pipe and a lower medium connection pipe in a mechanical filter based on a constant pressure technology;
FIG. 3 is a schematic diagram of a medium circulation assembly in a mechanical filter based on a constant pressure technique according to the present invention;
FIG. 4 is a schematic view of a structure of a backwash liquid inlet in a mechanical filter based on a constant pressure technology according to the present invention;
fig. 5 is a schematic diagram of a split structure of a medium mixed flow component in a mechanical filter based on a constant pressure technology according to the present invention;
FIG. 6 is a schematic diagram of a mechanical filter medium separating assembly based on constant pressure technology according to the present invention;
fig. 7 is a schematic structural diagram of a mechanical filter medium separating component based on the constant pressure technology according to the present invention.
Legend description:
1. a mechanical filter body; 2. an upper medium connecting pipe; 3. a lower medium connecting pipe; 4. a media circulation assembly; 401. an upper medium confluence box; 402. a medium outlet pipe; 403. a lower medium split box; 404. a medium introducing pipe; 5. a media mixing assembly; 501. a mixed medium suction pump; 502. a medium mixed flow tank; 503. a medium introducing pipe; 504. a chassis; 505. a backwash liquid inlet pipe; 506. opposite-flushing the spray hole; 507. a mixed flow vane; 508. mixed flow spray holes; 6. a media separation assembly; 601. a mixed flow medium discharge pipe; 602. a tangential inlet pipe; 603. a conical cylinder; 604. a cylinder barrel; 605. a shunt barrel; 606. a tangential lead-out tube; 607. a split shaft; 608. a guide vane; 609. an electric motor; 7. a support frame; 8. a media suction tube; 9. a pure medium suction pump; 10. and a back flushing liquid inlet.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: the mechanical filter based on the constant pressure technology comprises a mechanical filter main body 1, wherein filter media are filled in the mechanical filter main body 1, an upper medium connecting pipe 2 and a lower medium connecting pipe 3 are respectively clamped on the outer surface of the mechanical filter main body 1 corresponding to the top layer and the bottom layer of the filter media, and a medium circulating assembly 4 is sleeved on the periphery of the mechanical filter main body 1 corresponding to the upper medium connecting pipe 2 and the lower medium connecting pipe 3;
the top of the medium circulation component 4 is communicated with a pure medium suction pump 9, a suction port of the pure medium suction pump 9 is communicated with a medium suction pipe 8, a medium separation component 6 and a medium mixed flow component 5 are arranged between the other end of the medium suction pipe 8 and the medium circulation component 4, and medium introduced by the upper medium connecting pipe 2 flows back through the lower medium connecting pipe 3 after being backwashed and purified by the medium mixed flow component 5 and the medium separation component 6.
Specifically, the medium circulation assembly 4 includes an upper medium confluence box 401 and a lower medium diversion box 403, the upper medium confluence box 401 is sleeved on the periphery of the mechanical filter main body 1, a medium leading-out pipe 402 is connected to the top of the upper medium confluence box 401, one end of the other end of the medium leading-out pipe 402, which is close to the upper medium connecting pipe 2, is connected, the number of the medium leading-out pipes 402 is multiple, the medium leading-out pipes 402 are in a ring array, the lower medium diversion box 403 is sleeved on the periphery of the mechanical filter main body 1, a medium leading-in pipe 404 is connected to the bottom of the lower medium diversion box 403, one end of the medium leading-in pipe 404, which is close to the lower medium connecting pipe 3, is connected to the other end of the medium leading-in pipe 404, and the medium leading-in pipes 404 are in multiple, which are in a ring array.
The implementation mode specifically comprises the following steps: the filter medium falling to the bottom of the conical cylinder is introduced into the lower medium diversion box 403 through the medium suction pipe 8 by the pure medium suction pump 9, and finally refilled into the mechanical filter main body 1 through the medium introduction pipes 404 and the lower medium connection pipes 3, and pushes the filter medium at the bottommost layer to flow upwards, so that the circulating flow of the filter medium is effectively ensured, the filter medium can be continuously purified under the condition of no shutdown, the overall permeability of the filter medium is effectively ensured, and the internal pressure rise of the mechanical filter main body 1 caused by blockage is avoided.
Specifically, the upper medium connecting pipe 2 and the lower medium connecting pipe 3 are obliquely arranged, and the included angle between the upper medium connecting pipe 2 and the lower medium connecting pipe 3 and the mechanical filter main body 1 is within the range of 50-80 degrees.
The implementation mode specifically comprises the following steps: in the water treatment process of the mechanical filter main body 1, as the density of the filter medium filled in the mechanical filter main body 1 is greater than that of water, the top layer part of the filter medium can be converged into the upper medium confluence box 401 along the inclined upper medium connecting pipe 2 and the medium leading-out pipe 402, and a plurality of upper medium connecting pipes 2 are arranged, and the upper medium connecting pipes 2 are in an annular array, so that the top layer part of the filter medium can be slowly extracted in multiple directions.
Specifically, the medium mixed flow assembly 5 includes a mixed medium suction pump 501, a suction port of the mixed medium suction pump 501 is connected to the bottom of the upper medium confluence box 401, a discharge port of the mixed medium suction pump 501 is connected to a medium inlet pipe 503, the other end of the medium inlet pipe 503 is connected to a medium mixed flow tank 502, a chassis 504 is clamped in a tank opening at the bottom of the medium mixed flow tank 502, a backwash liquid inlet pipe 505 is rotatably connected to the bottom of the chassis 504 through a sealed bearing, a water wheel is embedded in the backwash liquid inlet pipe 505, a plurality of opposite-flushing spray holes 506 are formed in the top end of the backwash liquid inlet pipe 505 corresponding to the medium inlet pipe 503, a plurality of mixed flow blades 507 are clamped on the surface of the backwash liquid inlet pipe 505, the mixed flow blades 507 are in an annular array, and a plurality of mixed flow spray holes 508 are formed in one end of the mixed flow blades 507 away from the backwash liquid inlet pipe 505.
The implementation mode specifically comprises the following steps: the mixed medium suction pump 501 operates to automatically extract the filter medium in the upper medium confluence box 401, and then the filter medium is introduced into the medium mixed flow tank 502 through the medium introducing pipe 503, the back flushing liquid is introduced into the back flushing liquid introducing pipe 505 in the process of introducing the filter medium into the medium mixed flow tank 502, the back flushing liquid drives the water wheel to rotate in the process of flushing the back flushing liquid introducing pipe 505, so that the plurality of mixed flow blades 507 can be driven to rotate through the back flushing liquid introducing pipe 505, part of the back flushing liquid in the back flushing liquid introducing pipe 505 is sprayed out through the opposite flushing spray holes 506, the back flushing liquid sprayed out through the opposite flushing spray holes 506 is directly opposite to the filter medium introduced into the medium introducing pipe 503, and therefore the filter medium and the adhesive substance can be separated, and the rest of the back flushing liquid is sprayed out through the mixed flow spray holes 508 and mixed under the action of the mixed flow blades 507.
Specifically, the medium separation assembly 6 includes a mixed flow medium discharge pipe 601, one end of the mixed flow medium discharge pipe 601 is connected to the outer surface of the medium mixed flow tank 502, the other end of the mixed flow medium discharge pipe 601 is connected to a tangential inlet pipe 602, the other end of the tangential inlet pipe 602 is connected to the outer surface of a cylindrical barrel 604 in a tangential direction, a conical barrel is fixedly connected to the bottom of the cylindrical barrel 604, a diversion barrel 605 is fixedly connected to the top of the cylindrical barrel 604, a tangential outlet pipe 606 is connected to the outer surface of the diversion barrel 605 in a tangential direction, a guide vane 608 is embedded in the inner side of the cylindrical barrel 604, a diversion shaft 607 is fixedly connected to the top of the guide vane 608, an electric motor 609 is fixedly mounted on the top of the diversion barrel 605 at the top of the diversion shaft 607, the end of a medium suction pipe 8 is connected to the bottom of the conical barrel 603, and a discharge port of the pure medium suction pump 9 is connected to the top of the medium diversion box 403 below.
The implementation mode specifically comprises the following steps: the mixture of the filter medium and the backwash liquid enters the cylindrical drum 604 through the mixed flow medium discharge pipe 601, after the mixture of the filter medium and the backwash liquid enters the cylindrical drum 604 along the axial direction, the mixture is strongly rotated under the guide effect of the guide vane 608, the mixture enters the conical drum downwards along the cylindrical drum 604 in a spiral manner, the filter medium with high density is thrown towards the inner wall of the conical drum under the centrifugal force effect, falls down along the inner wall of the conical drum under the gravity effect, the rotated backwash liquid and the viscous substance shrink towards the center in the conical drum, forms a secondary vortex upwards to flow out through the tangential eduction pipe 606, the filter medium falling to the bottom of the conical drum is introduced into the lower medium diversion box 403 through the medium suction pipe 8 by the pure medium suction pump 9, finally, the filter medium is refilled into the mechanical filter main body 1 through the plurality of medium introducing pipes 404 and the plurality of lower medium connecting pipes 3, and the filter medium at the bottom layer is pushed to flow upwards.
Working principle, when in use:
during water treatment using the mechanical filter body 1, the mixed medium suction pump 501, the electric motor 609 and the pure medium suction pump 9 are sequentially controlled to operate;
in the water treatment process of the mechanical filter main body 1, as the density of the filter media filled in the mechanical filter main body 1 is greater than that of water, the top layer part of the filter media can be converged into the upper medium confluence box 401 along the obliquely arranged upper medium connecting pipes 2 and the medium eduction pipes 402, and a plurality of upper medium connecting pipes 2 are arranged, and the upper medium connecting pipes 2 are in an annular array, so that the top layer part of the filter media can be slowly extracted in multiple directions, the influence on the top of the filter media in the suction process is reduced to a certain extent, and the relative stability of the top of the filter media is effectively ensured;
the mixed medium suction pump 501 operates to automatically extract the filter medium in the upper medium confluence box 401, and then the filter medium is introduced into the medium mixed flow tank 502 through the medium introducing pipe 503, the back flushing liquid is introduced into the back flushing liquid introducing pipe 505 in the process of introducing the filter medium into the medium mixed flow tank 502, the back flushing liquid drives the water wheel to rotate in the process of flushing the back flushing liquid introducing pipe 505, so that the back flushing liquid introducing pipe 505 can drive the plurality of mixed flow blades 507 to rotate, part of the back flushing liquid in the back flushing liquid introducing pipe 505 is sprayed out through the opposite flushing spray holes 506, the back flushing liquid sprayed out through the opposite flushing spray holes 506 is directly opposite to the filter medium introduced into the medium introducing pipe 503, so that the filter medium is separated from adhesive substances, and the rest of the back flushing liquid is sprayed out through the mixed flow spray holes 508, so that the filter medium is greatly promoted to be separated from adhesive substances under the action of the mixed flow blades 507;
the mixture of the filtering medium and the back flushing liquid enters the cylindrical drum 604 through the mixed flow medium discharging pipe 601, after the mixture of the filtering medium and the back flushing liquid enters the cylindrical drum 604 along the axial direction, the mixture is subjected to the guide effect of the guide vane 608 to generate strong rotation, the mixture enters the conical drum downwards along the cylindrical drum 604 in a spiral shape, the filtering medium with high density is thrown towards the inner wall of the conical drum under the centrifugal force effect, and falls down along the inner wall of the conical drum under the gravity effect, the rotating back flushing liquid and the viscous substance shrink towards the center in the conical drum to flow upwards to form a secondary vortex flow and flow out through the tangential outlet pipe 606, the filtering medium falling to the bottom of the conical drum is introduced into the lower medium diversion box 403 through the medium suction pipe 8 by the pure medium suction pump 9, finally the filtering medium at the bottom of the cylindrical drum flows upwards through the plurality of medium suction pipes 404 and the plurality of lower medium connecting pipes 3, the circulating flow of the filtering medium at the bottom is pushed to flow upwards, the filtering medium at the bottom is effectively ensured, the filtering medium is continuously purified under the condition of not stopping, the whole filtering medium is effectively ensured to flow, the filtering medium is prevented from being blocked, the internal pressure of the filter is prevented from being increased, and the structure is simple, and the water is easy to be purified, and the structure is practical.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (5)
1. The mechanical filter based on the constant pressure technology comprises a mechanical filter main body (1), and is characterized in that filter media are filled in the mechanical filter main body (1), an upper medium connecting pipe (2) and a lower medium connecting pipe (3) are respectively clamped at the outer surface of the mechanical filter main body (1) corresponding to the top layer and the bottom layer of the filter media, and a medium circulating assembly (4) is sleeved at the periphery of the mechanical filter main body (1) corresponding to the upper medium connecting pipe (2) and the lower medium connecting pipe (3);
the top of the medium circulation assembly (4) is communicated with a pure medium suction pump (9), a medium suction pipe (8) is communicated with a suction port of the pure medium suction pump (9), a medium separation assembly (6) and a medium mixed flow assembly (5) are arranged between the other end of the medium suction pipe (8) and the medium circulation assembly (4), and a medium introduced by the upper medium connecting pipe (2) flows back through the lower medium connecting pipe (3) after being backwashed and purified by the medium mixed flow assembly (5) and the medium separation assembly (6);
the medium mixed flow assembly (5) comprises a mixed medium suction pump (501), a suction port of the mixed medium suction pump (501) is communicated with the bottom of an upper medium confluence box (401), a medium inlet pipe (503) is communicated with a discharge port of the mixed medium suction pump (501), a medium mixed flow tank (502) is communicated with the other end of the medium inlet pipe (503), a chassis (504) is clamped in a tank port at the bottom of the medium mixed flow tank (502), a backwash liquid inlet pipe (505) is rotatably connected to the bottom of the chassis (504) through a sealing bearing, and a water wheel is embedded in the backwash liquid inlet pipe (505);
a plurality of opposite-flushing spray holes (506) are formed in the top end of the backwash liquid ingress pipe (505) corresponding to the medium ingress pipe (503), a plurality of mixed flow blades (507) are clamped on the surface of the backwash liquid ingress pipe (505), the mixed flow blades (507) are in an annular array, and a plurality of mixed flow spray holes (508) are formed in one end, far away from the backwash liquid ingress pipe (505), of each mixed flow blade (507);
the medium separation assembly (6) comprises a mixed flow medium discharge pipe (601), one end of the mixed flow medium discharge pipe (601) is connected to the outer surface of the medium mixed flow tank (502), the other end of the mixed flow medium discharge pipe (601) is connected to a tangential inlet pipe (602), the other end of the tangential inlet pipe (602) is connected to the outer surface of a cylindrical barrel (604) along the tangential direction, the bottom of the cylindrical barrel (604) is fixedly connected with a conical barrel, the top of the cylindrical barrel (604) is fixedly connected with a diversion barrel (605), and the outer surface of the diversion barrel (605) is connected to a tangential outlet pipe (606) along the tangential direction;
guide vane (608) are embedded in the inner side of the cylindrical barrel (604), a flow dividing shaft (607) is fixedly connected to the top of the guide vane (608), an electric motor (609) is fixedly installed at the top of the flow dividing shaft (607), and the bottom of the electric motor (609) body is fixedly installed at the top of the flow dividing barrel (605).
2. The mechanical filter based on the constant pressure technology according to claim 1, wherein the medium circulation assembly (4) comprises an upper medium confluence box (401) and a lower medium diversion box (403), the upper medium confluence box (401) is sleeved on the periphery of the mechanical filter main body (1), a medium eduction tube (402) is connected to the top of the upper medium confluence box (401), one end of the other end of the medium eduction tube (402) close to the upper medium connecting tube (2) is connected, the number of the medium eduction tubes (402) is multiple, and the medium eduction tubes (402) are in a ring array.
3. The mechanical filter based on the constant pressure technology according to claim 2, wherein the lower medium split box (403) is sleeved on the periphery of the mechanical filter main body (1), a medium introducing pipe (404) is connected to the bottom of the lower medium split box (403), the other end of the medium introducing pipe (404) is connected to one end close to the lower medium connecting pipe (3), the number of the medium introducing pipes (404) is multiple, and the medium introducing pipes (404) are in a ring array.
4. A mechanical filter based on constant pressure technology according to claim 1, characterized in that the upper medium connection pipe (2) and the lower medium connection pipe (3) are arranged obliquely, the angle between the upper medium connection pipe (2) and the lower medium connection pipe (3) and the mechanical filter main body (1) being in the range of 50 ° -80 °.
5. A mechanical filter based on constant pressure technology according to claim 4, characterized in that the end of the medium suction pipe (8) is connected to the bottom of the cone (603) and the discharge of the pure medium suction pump (9) is connected to the top of the lower medium distribution box (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310176537.2A CN116078006B (en) | 2023-02-28 | 2023-02-28 | Mechanical filter based on constant pressure technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310176537.2A CN116078006B (en) | 2023-02-28 | 2023-02-28 | Mechanical filter based on constant pressure technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116078006A CN116078006A (en) | 2023-05-09 |
| CN116078006B true CN116078006B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310176537.2A Active CN116078006B (en) | 2023-02-28 | 2023-02-28 | Mechanical filter based on constant pressure technology |
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| RU2121863C1 (en) * | 1992-08-10 | 1998-11-20 | Мерпро Тортек Лимитед | Treatment device |
| CN2354932Y (en) * | 1998-08-29 | 1999-12-22 | 张瑾 | Multifunctional wastewater purifier |
| US6426005B1 (en) * | 2000-04-18 | 2002-07-30 | Parkson Corporation | Sequential descending bed filters with reject/washwater containing impurities being fed to a separate unit for elimination of impurities |
| CN2630230Y (en) * | 2003-06-18 | 2004-08-04 | 中国石油天然气股份有限公司 | Walnut shell filter for extracorporeal circulation cleaning |
| CN203694673U (en) * | 2014-01-20 | 2014-07-09 | 阎安 | Walnut shell filter with filtering material cleaned in extracorporeal circulating way |
| CN203954769U (en) * | 2014-07-28 | 2014-11-26 | 北京中天油石油天然气科技有限公司 | The online back washing device of a kind of vertical cylinder type container granular filler filter |
| CN204352603U (en) * | 2014-12-17 | 2015-05-27 | 张小燕 | Closed Continuous Flow sand filter |
| CN111686486A (en) * | 2019-03-12 | 2020-09-22 | 北京奥博水处理有限责任公司 | Movable medium filtering device |
| CN210698959U (en) * | 2019-09-25 | 2020-06-09 | 金孚环保科技张家口有限公司 | Full-automatic back-washing shallow medium filter |
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2023
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