CN1911484A - Liquid filter - Google Patents
Liquid filter Download PDFInfo
- Publication number
- CN1911484A CN1911484A CN 200510090180 CN200510090180A CN1911484A CN 1911484 A CN1911484 A CN 1911484A CN 200510090180 CN200510090180 CN 200510090180 CN 200510090180 A CN200510090180 A CN 200510090180A CN 1911484 A CN1911484 A CN 1911484A
- Authority
- CN
- China
- Prior art keywords
- fixed
- blowdown
- water intaking
- flap
- valve housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The liquid filter includes several filter elements connected in parallel and set inside the same casing, which is separated with an upper partition board and a lower partition board into a distributing cavity, a filtering cavity and a blow down cavity. There are a water inlet in the casing of the distributing cavity, a water outlet in the casing of the filtering cavity and a blow down port in the casing of the blow down cavity. The filter elements are fixed with the upper and lower partition boards inside the filtering cavity, and each of the filter elements has water inlet port and blow down port communicated separately with the distributing cavity and the blow down cavity. There are water inlet valves and blow down valves controlled with a fluid controlling device in the water inlet ports and the blow down ports. The liquid filter of the present invention has simple structure, small size, and great water treating capacity, easy back flushing and possibility of intelligent control.
Description
Technical field
The present invention relates to a kind of filter, particularly relate to a kind of liquid filter.
Background technology
Be used for industrial and agricultural production and domestic water at present, as industrial water supply, heating water, the cooling circulating water of central air-conditioning, chilled water, agricultural water and underground water, the impurity of surface water etc. and the filter plant of dirt, because unit interval water treatment amount is big, in order when filtering bodies is regenerated, not influence the processing water yield, the general mode that adopts a plurality of filter parallel connections of existing solution, promptly adopt connected mode as shown in Figure 1, the current commutation of filter when backwash generally adopts manually or motor-driven valve is realized, and the mode of removing the internal contamination thing has two clocks: a kind of is self-priming removing contamination, and a kind of is that internal brushing type is removed contamination.The shortcoming that adopts this mode is that the equipment one-time investment is big, fault rate is high, internal structure is complicated, maintenance difficult, wherein each filter all have one the cover transmission, remove contamination, sealing device, the installation floor space is big, and clear successively blowing time is longer, and the blowdown water consumption is big.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, floor space is little, unit interval water treatment amount is big, is easy to backwash, and can realize the liquid filter of intelligent control.
Liquid filter of the present invention, comprise the filtering bodies that several are in parallel, described filtering bodies places in the same housing, described housing inner chamber is used, lower clapboard is separated into distribution cavity, filter chamber and blowdown chamber, the housing of described distribution cavity is provided with water inlet, the housing of described filter chamber is provided with delivery port, the housing in described blowdown chamber is provided with sewage draining exit, described filtering bodies is by on described, lower clapboard is fixed in the described filter chamber, the water inlet port of each described filtering bodies communicates with described distribution cavity and blowdown chamber respectively with the blowdown port, be respectively equipped with water intaking valve and blowoff valve on described water inlet port and the blowdown port, water intaking valve on each filtering bodies and blowoff valve group are equipped with the fluid control device of its keying of control.
Liquid filter of the present invention, wherein said fluid control device are air control unit.
Liquid filter of the present invention, wherein said water intaking valve and blowoff valve comprise inlet valve seat and the blowdown valve seat that is separately fixed on described upper spacer or the lower clapboard, and the water inlet flap and the blowdown flap that match with it respectively, described water inlet flap and blowdown flap are by its keying of air bag controlled of described air control unit control.
Liquid filter of the present invention, wherein said water intaking valve comprises the water intaking valve housing that is fixed on the described inlet valve seat, the sidewall of described water intaking valve housing is provided with several flowing holes, described air bag is the upper gasbag that is fixed between described water inlet flap and the water intaking valve housing upper base, described upper gasbag is gone to the bottom and described water inlet flap is fixed together, and by water intaking valve housing guiding, described water inlet flap and blowdown flap link together by bolt, the keying opposite states of described water intaking valve and blowoff valve.
Liquid filter of the present invention, wherein said water intaking valve comprises the water intaking valve housing that is fixed on the described inlet valve seat, be provided with the last guide pipe that is fixed together with its upper base in the described water intaking valve housing, be equipped with several flowing holes on the sidewall of the sidewall of described water intaking valve housing and described upward guide pipe, described air bag is the upper gasbag that is fixed between described water inlet flap and the water intaking valve housing upper base, described upper gasbag is gone to the bottom and described water inlet flap is fixed together, and by described water intaking valve housing and last guide pipe guiding, described blowoff valve comprises the blowoff valve housing that is fixed on the described blowdown valve seat, the sidewall of described blowoff valve housing is provided with several flowing holes with going to the bottom, described air bag is to be fixed on the supporting plate that links together by bolt and described blowdown flap and the described blowoff valve housing lower gasbag between going to the bottom, described supporting plate is provided with through hole, be fixed with the following guide pipe of downward extension at the periphery of described through hole, described guide pipe down is passed down through going to the bottom of described blowoff valve housing, the upper base of described lower gasbag and described supporting plate are fixed together, and by described blowoff valve housing and the described guiding of guide pipe down, the keying opposite states of described water intaking valve and blowoff valve.
Liquid filter of the present invention, wherein said blowoff valve comprises the blowoff valve housing that is fixed on the described blowdown valve seat, the sidewall of described blowoff valve housing is provided with several flowing holes with going to the bottom, described air bag is to be fixed on the supporting plate that links together by bolt and described blowdown flap and the described blowoff valve housing lower gasbag between going to the bottom, described supporting plate is provided with through hole, be fixed with the following guide pipe of downward extension in described bore periphery, described guide pipe down is passed down through going to the bottom of described blowoff valve housing, the upper base of described lower gasbag and described supporting plate are fixed together, and by described blowoff valve housing and the described guiding of guide pipe down, described blowdown flap and described water inlet flap link together by bolt, the keying opposite states of described water intaking valve and blowoff valve.
Liquid filter of the present invention, wherein on the madial wall of described filtering bodies, be fixed with gripper shoe, guide pipe outside on described gripper shoe, being fixed with, on described gripper shoe, be provided with rebound, described air bag is middle air bag, its lower end is by being bolted on the described rebound, the upper end of air bag is fixed on the supporting plate in described, one through hole is arranged on described supporting plate, fix an interior guide cylinder that extends downwards at the periphery of described through hole, guide cylinder is passed down through described gripper shoe and described rebound in described, be equipped with several flowing holes on the sidewall of guide cylinder and the bottom surface in described, air bag is by described outer guide pipe and interior guide cylinder guiding in described, described supporting plate is connected with described water inlet flap by bolt, the underrun bolt of guide cylinder is connected the keying opposite states of described water intaking valve and blowoff valve in described with described blowdown flap.
Liquid filter of the present invention, wherein said air control unit comprises source of the gas, air conditioner unit, the throttle grverning valve of serial connection successively, several two-bit triplet magnetic valves in parallel that link to each other with above-mentioned gas circuit, the quantity of the described filtering bodies in the quantity of described two-bit triplet magnetic valve and the described liquid filter is identical, and respectively by fill, blowdown piping links to each other with air bag on each filtering bodies correspondingly, described source of the gas and two-bit triplet magnetic valve are controlled by PLC host computer control cabinet.
Liquid filter of the present invention, the sidewall filter screen of wherein said filtering bodies are that the cross section that is spirally wound on the stainless steel insert is the stainless steel cloth of wedge shape, and wherein the tip of wedge shape stainless steel wire is towards the outside of described filtering bodies.
Liquid filter of the present invention, the filtration slit of wherein said wedge shape stainless steel cloth is 0.048～10 millimeter.
Liquid filter of the present invention, because several filtering bodies are installed in the housing, therefore floor space is little, structure is comparatively simple, several filtering bodies are filtered simultaneously, and unit interval water treatment amount is big, carry out backwash successively by air control unit controlled filter body, backwash process is carried out automatically, realize intelligent control.
Description of drawings
Fig. 1 is the schematic diagram of general solution under the big situation of water treatment amount;
Fig. 2 is the front section view of liquid filter of the present invention;
Fig. 3 is the partial enlarged drawing at I position among Fig. 2;
Fig. 4 is the partial enlarged drawing of I position when the state of filtration among Fig. 2;
Fig. 5 is the partial enlarged drawing of I position when the backwash state among Fig. 2;
Fig. 6 shows the generalized section of flow direction when being the filtration state for the filtering bodies of liquid filter of the present invention;
Fig. 7 shows the generalized section of flow direction when the backwash state for filtering bodies of liquid filter of the present invention;
Fig. 8 is the cutaway view of filtering bodies first embodiment of liquid filter of the present invention;
Fig. 9 is the cutaway view of filtering bodies second embodiment of liquid filter of the present invention;
Figure 10 is the cutaway view of filtering bodies the 3rd embodiment of liquid filter of the present invention;
Figure 11 is the cutaway view of filtering bodies the 4th embodiment of liquid filter of the present invention;
Figure 12 is the schematic diagram of liquid filter of the present invention under air control unit control.
The specific embodiment
As shown in Figure 2, liquid filter of the present invention is made up of several filtering bodies in parallel 3 that are arranged in the housing 4, and housing 4 and inner parts are made by stainless steel, and the upper end cover of housing 4 is connected by bolt, forms dismountable structure.The upper spacer 2 and the lower clapboard 6 that are welded on housing 4 intracavity sidewalls are separated into distribution cavity 1, filter chamber 5 and blowdown chamber 7 with housing 4 inner chambers, are provided with water inlet 14 in the distribution cavity 1, are provided with delivery port 11 in the filter chamber 5, are provided with sewage draining exit 8 in the blowdown chamber 7.Filtering bodies 3 is cylindrical, and be fixed in the filter chamber 5 by the manhole on upper spacer 2 and the lower clapboard 6, the water inlet port 12 of each filtering bodies 3 communicates with distribution cavity 1 and blowdown chamber 7 respectively with blowdown port one 0, be respectively equipped with water intaking valve 13 and blowoff valve 9 on water inlet port 12 and the blowdown port one 0, wherein water intaking valve 13 and blowoff valve 9 comprise inlet valve seat 20 and the blowdown valve seat 22 that is separately fixed on upper spacer 2 or the lower clapboard 6, and water inlet flap 24 that matches with it respectively and blowdown flap 23, water inlet flap 24 and blowdown flap 23 are controlled it by the air bag 17 of air control unit 18 controls and are opened and closed, and make the keying opposite states of water intaking valve 13 and blowoff valve 9.
Fig. 3, Fig. 4, Fig. 5 are respectively partial enlarged drawing and the I position partial enlarged drawing when filtration state and backwash state at I position among Fig. 2.The sidewall filter screen of filtering bodies 3 is that the cross section that is spirally wound on the stainless steel insert 15 is the stainless steel cloth 16 of wedge shape, all can in the inboard or the outside that stainless steel cloth 16 is fixed on stainless steel insert 15, wherein the tip of wedge shape stainless steel wire is towards the outside of filtering bodies, and the filtration slit of wedge shape stainless steel cloth is 0.048～10 millimeter.When normal filtration, water by the little effluent in the slit of wedge shape stainless steel cloth 16 to the big side in slit, dirt particle is kept off in filtering bodies 3 by filter screen: when backwash, water by the big effluent in the slit of wedge shape stainless steel cloth 16 to the little side in slit, to be attached in the dirt refunds filtering bodies 3 of filter screen inboard the filtration that this filter structure and water (flow) direction the help pollutant removal of holding back and recoil.
Fig. 6 shows the generalized section of flow direction when being the filtration state for the filtering bodies of liquid filter of the present invention, direction shown in the arrow is represented the flow direction of liquid among the figure.Under the filtration state, pending liquid is from each filter water inlet 14 inflow filter, this moment, water intaking valve 13 was opened under the control of air control unit 18, and blowoff valve 9 cuts out under the control of air control unit 18, so liquid flows into filter chamber 5 after filtering in each filtering bodies 3, and from delivery port 11 outflow filters.
Fig. 7 is filtering bodies of liquid filter of the present invention shows flow direction when the backwash state a generalized section, and direction shown in the arrow is represented the flow direction of liquid among the figure.Under the backwash state, most of filtering bodies is carried out normal filter process, for that filtering bodies of carrying out backwash, water intaking valve 13 is closed under the control of air control unit 18, and blowoff valve 9 is opened under the control of air control unit 18, so liquid flows into outside filtering bodies under pressure, carry out the backwash process of filtering bodies 3, the dirt flushing that is attached on the filtering bodies 3 madial wall filter screens is come off in filtering bodies 3 inside, and through the blowdown chamber 7 of blowdown port one 0 inflow filter, again through sewage draining exit 8 outflow filters.Backwash process carries out between each filtering bodies successively, and each is carried out at a filtering bodies, and remaining filtering bodies is then carried out normal filter process.
Fig. 8 is the cutaway view of filtering bodies first embodiment of liquid filter of the present invention.As shown in the figure, water intaking valve 13 comprises the water intaking valve housing 19 that is fixed on the inlet valve seat 20, its sidewall is provided with several flowing holes 25, air bag 17 is fixed on between the water flap 24 and water intaking valve housing upper base 26, and by water intaking valve housing 19 guiding, water inlet flap 24 links together by bolt 21 with blowdown flap 23, produce interlock, blowoff valve 9 cuts out, blowoff valve 9 was opened when water intaking valve 13 was closed, and the open and close of water intaking valve 13 and blowoff valve 9 are filled, exitted and realize by air control unit 18 control air bags 17.
Fig. 9 is the cutaway view of filtering bodies second embodiment of liquid filter of the present invention.As shown in the figure, water intaking valve 13 comprises and being fixed on the inlet valve seat 20, be provided with the last guide pipe 27 that is fixed together with its upper base 26 in the water intaking valve housing 19, be equipped with several flowing holes 25 on the sidewall of water intaking valve housing 19 and last guide pipe 27, air bag 17 is fixed on between the water flap 24 and water intaking valve housing upper base 26, and by water intaking valve housing 19 and last guide pipe 27 guiding.Blowoff valve 9 comprises the blowoff valve housing 29 that is fixed on the blowdown valve seat 22, the sidewall of blowoff valve housing 29 and go to the bottom on be provided with several flowing holes 25 equally, air bag 17 is fixed on the supporting plate 31 and the blowoff valve housing that link together by bolt 30 and blowdown flap 28 and goes to the bottom between 33, supporting plate 31 is provided with through hole 34, be fixed with the following guide pipe 32 of downward extension at the periphery of through hole 34, following guide pipe 32 is passed down through going to the bottom of blowoff valve housing 29, the upper base of air bag 17 and supporting plate 31 are fixed together, and by blowoff valve housing 29 and following guide pipe 32 guiding, the unlatching of water intaking valve 13 and blowoff valve 9 is controlled filling of air bag on water intaking valve 13 and the blowoff valve 9 respectively with opening and closing by air control unit 18, venting realizes, and makes the keying opposite states of water intaking valve 13 and blowoff valve 9.
Figure 10 is the cutaway view of filtering bodies the 3rd embodiment of liquid filter of the present invention.As shown in the figure, blowoff valve 9 comprises the blowoff valve housing 29 that is fixed on the blowdown valve seat 22, the sidewall of blowoff valve housing 29 is provided with several flowing holes 25 with going to the bottom, air bag 17 is fixed on the supporting plate 31 and the blowoff valve housing that link together by bolt 30 and blowdown flap 28 and goes to the bottom between 33, supporting plate 31 is provided with through hole 34, its periphery is fixed with the following guide pipe 32 of downward extension, following guide pipe 32 is passed down through going to the bottom of blowoff valve housing 29, the upper base of air bag 17 and supporting plate 31 are fixed together, and by blowoff valve housing 29 and following guide pipe 32 guiding, blowdown flap 28 links together by bolt 35 with water inlet flap 24, produce interlock, blowoff valve 9 cuts out, blowoff valve 9 was opened when water intaking valve 13 was closed, and the open and close of water intaking valve 13 and blowoff valve 9 are filled by the air bag 17 on the air control unit 18 control blowoff valves 9, venting realizes.
Figure 11 is the cutaway view of filtering bodies the 4th embodiment of liquid filter of the present invention.As shown in the figure, horizontal fixed one gripper shoe 38 on the madial wall of filtering bodies 3, guide pipe 36 outside on gripper shoe 38, being fixed with, on gripper shoe 38, be provided with rebound 37, the lower end of air bag 17 is by being bolted on the rebound 37, the upper end of air bag 17 is fixed on the supporting plate 31, one through hole 42 is arranged on supporting plate 31, fix an interior guide cylinder 41 that extends downwards at the periphery of through hole 42, interior guide cylinder 41 is passed down through gripper shoe 38 and rebound 37, be equipped with several flowing holes 25 on the sidewall of interior guide cylinder 41 and the bottom surface 40, air bag 17 is by outer guide pipe 36 and interior guide cylinder 41 guiding, supporting plate 31 is connected with water inlet flap 24 by bolt 43, the bottom surface 40 of interior guide cylinder 41 is connected with blowdown flap 28 by bolt 39, like this, water inlet flap 24 produces interlock with blowdown flap 28, blowoff valve 9 cuts out, blowoff valve 9 was opened when water intaking valve 13 was closed, and 9 open and close filling by air control unit 18 control water intaking valve 13 upper gasbags transferred in water intaking valve 13 and blowdown, venting realizes.
Figure 12 is the schematic diagram of liquid filter of the present invention under air control unit control.Air control unit 18 comprises source of the gas 50, air conditioner unit 49, the throttle grverning valve 48 of serial connection successively, several two-bit triplet magnetic valves 47 in parallel that link to each other with above-mentioned gas circuit, the quantity of two-bit triplet magnetic valve 47 is identical with the quantity of filtering bodies 3, and respectively by fill, blowdown piping 46 links to each other with air bag 17 on each filtering bodies 3 correspondingly, source of the gas 50 and two-bit triplet magnetic valve 47 are controlled by PLC host computer control cabinet 45.Wherein, air conditioner unit 49 filters the air that source of the gas 50 transmits, and carry out speed governing by throttle grverning valve 48, the PLC main frame then sends instruction according to predefined filtration or the backwash status routine of respectively filtering body 3 to the two-bit triplet magnetic valve 47 of corresponding each filtering bodies 3, corresponding two-bit triplet magnetic valve 47 switches to inflation or deflation position immediately, and make water intaking valve 13 and blowoff valve 9 on its pairing filtering bodies 3 open or close, thereby finish the filter process of filtering bodies 3 or the control of backwash process successively.
Liquid filter of the present invention also available hydraulic control device is controlled each filtering bodies 3 water intaking valve and blowoff valve group.
Claims (10)
1, a kind of liquid filter, comprise several filtering bodies in parallel (3), it is characterized in that: described filtering bodies (3) places in the same housing (4), described housing (4) inner chamber is used, lower clapboard (2), (6) be separated into distribution cavity (1), filter chamber (5) and blowdown chamber (7), the housing of described distribution cavity (1) is provided with water inlet (14), the housing of described filter chamber (5) is provided with delivery port (11), the housing in described blowdown chamber (7) is provided with sewage draining exit (8), described filtering bodies (3) is by on described, lower clapboard (2), (6) be fixed in the described filter chamber (5), the water inlet port (12) of each described filtering bodies (3) communicates with described distribution cavity (1) and blowdown chamber (7) respectively with blowdown port (10), be respectively equipped with water intaking valve (13) and blowoff valve (9) on described water inlet port (12) and the blowdown port (10), water intaking valve on each filtering bodies (3) and blowoff valve group are equipped with the fluid control device of its keying of control.
2, liquid filter according to claim 1 is characterized in that: described fluid control device is air control unit (18).
3, liquid filter according to claim 2, it is characterized in that: described water intaking valve (13) and blowoff valve (9) comprise inlet valve seat (20) and the blowdown valve seat (22) that is separately fixed on described upper spacer (2) or the lower clapboard (6), and the water inlet flap (24) and the blowdown flap (23) that match with it respectively, described water inlet flap (24) and blowdown flap (23) are controlled its keying by the air bag (17) of described air control unit (18) control.
4, liquid filter according to claim 3, it is characterized in that: described water intaking valve (13) comprises the water intaking valve housing (19) that is fixed on the described inlet valve seat (20), the sidewall of described water intaking valve housing (19) is provided with several flowing holes (25), described air bag (17) is for being fixed on the upper gasbag between described water inlet flap (24) and the water intaking valve housing upper base (26), described upper gasbag is gone to the bottom and described water inlet flap (24) is fixed together, and lead by water intaking valve housing (19), described water inlet flap (24) links together the keying opposite states of described water intaking valve (13) and blowoff valve (9) with blowdown flap (23) by bolt (21).
5, liquid filter according to claim 3, it is characterized in that: described water intaking valve (13) comprises the water intaking valve housing (19) that is fixed on the described inlet valve seat (20), be provided with the last guide pipe (27) that is fixed together with its upper base (26) in the described water intaking valve housing (19), be equipped with several flowing holes (25) on the sidewall of the sidewall of described water intaking valve housing (19) and described upward guide pipe (27), described air bag (17) is for being fixed on the upper gasbag between described water inlet flap (24) and the water intaking valve housing upper base (26), described upper gasbag is gone to the bottom and described water inlet flap (24) is fixed together, and by described water intaking valve housing (19) and last guide pipe (27) guiding, described blowoff valve (9) comprises the blowoff valve housing (29) that is fixed on the described blowdown valve seat (22), the sidewall of described blowoff valve housing (29) is provided with several flowing holes (25) with going to the bottom, described air bag (17) is for being fixed on go to the bottom lower gasbag between (33) of the supporting plate (31) that links together by bolt (30) and described blowdown flap (28) and described blowoff valve housing, described supporting plate (31) is provided with through hole (34), be fixed with the following guide pipe (32) of downward extension at the periphery of described through hole (34), described guide pipe (32) down is passed down through going to the bottom of described blowoff valve housing (29), the upper base of described lower gasbag and described supporting plate (31) are fixed together, and by described blowoff valve housing (29) and the described guiding of guide pipe (32) down, the keying opposite states of described water intaking valve (13) and blowoff valve (9).
6, liquid filter according to claim 3, it is characterized in that: described blowoff valve (9) comprises the blowoff valve housing (29) that is fixed on the described blowdown valve seat (22), the sidewall of described blowoff valve housing (29) is provided with several flowing holes (25) with going to the bottom, described air bag (17) is for being fixed on go to the bottom lower gasbag between (33) of the supporting plate (31) that links together by bolt (30) and described blowdown flap (28) and described blowoff valve housing, described supporting plate (31) is provided with through hole (34), be fixed with the following guide pipe (32) of downward extension at described through hole (34) periphery, described guide pipe (32) down is passed down through going to the bottom of described blowoff valve housing (29), the upper base of described lower gasbag and described supporting plate (31) are fixed together, and by described blowoff valve housing (29) and the described guiding of guide pipe (32) down, described blowdown flap (28) links together the keying opposite states of described water intaking valve (13) and blowoff valve (9) with described water inlet flap (24) by bolt (35).
7, liquid filter according to claim 3, it is characterized in that: on the madial wall of described filtering bodies (3), be fixed with gripper shoe (38), guide pipe (36) outside on described gripper shoe (38), being fixed with, on described gripper shoe (38), be provided with rebound (37), described air bag (17) is middle air bag, its lower end is by being bolted on the described rebound (37), the upper end of air bag is fixed on the supporting plate (31) in described, one through hole (42) is arranged on described supporting plate (31), fix an interior guide cylinder (41) that extends downwards at the periphery of described through hole (42), guide cylinder (41) is passed down through described gripper shoe (38) and described rebound (37) in described, be equipped with several flowing holes (25) on the sidewall of guide cylinder (41) and bottom surface (40) in described, air bag is by described outer guide pipe (36) and interior guide cylinder (41) guiding in described, described supporting plate (31) is connected with described water inlet flap (24) by bolt (43), the bottom surface (40) of guide cylinder (41) is connected the keying opposite states of described water intaking valve (13) and blowoff valve (9) by bolt (39) in described with described blowdown flap (28).
8, according to the described liquid filter of arbitrary claim in the claim 3 to 7, it is characterized in that: described air control unit (18) comprises the source of the gas (50) of serial connection successively, air conditioner unit (49), throttle grverning valve (48), the two-bit triplet magnetic valve (47) that several that link to each other with above-mentioned gas circuit are in parallel, the quantity of the described filtering bodies (3) in the quantity of described two-bit triplet magnetic valve (47) and the described liquid filter is identical, and respectively by filling, blowdown piping (46) links to each other with air bag (17) on each filtering bodies (3) correspondingly, and described source of the gas (50) and two-bit triplet magnetic valve (47) are controlled by PLC host computer control cabinet (45).
9, liquid filter according to claim 8, it is characterized in that: the sidewall filter screen of described filtering bodies (3) is the stainless steel cloth (16) of wedge shape for the cross section that is spirally wound on the stainless steel insert (15), and wherein the tip of wedge shape stainless steel wire is towards the outside of described filtering bodies (3).
10, liquid filter according to claim 9 is characterized in that: the filtration slit of described wedge shape stainless steel cloth (16) is 0.048～10 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100901808A CN100448505C (en) | 2005-08-11 | 2005-08-11 | Liquid filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100901808A CN100448505C (en) | 2005-08-11 | 2005-08-11 | Liquid filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1911484A true CN1911484A (en) | 2007-02-14 |
| CN100448505C CN100448505C (en) | 2009-01-07 |
Family
ID=37720638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100901808A Active CN100448505C (en) | 2005-08-11 | 2005-08-11 | Liquid filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100448505C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101099908B (en) * | 2007-07-31 | 2010-05-19 | 黄豪宇 | Polygonal composite filtering bucket |
| CN101091848B (en) * | 2007-04-26 | 2010-05-19 | 黄豪宇 | Combined filter vat |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2102148U (en) * | 1991-09-25 | 1992-04-22 | 谭灿辉 | Cellular filting tube filter for water treatment |
| US5374351A (en) * | 1993-07-27 | 1994-12-20 | D & J Filtration Systems | Filter backflushing system |
| CN2394692Y (en) * | 1999-09-07 | 2000-09-06 | 张大川 | Cyclone flushing double layer filter high efficiency water processor |
| US7082640B2 (en) * | 2003-07-18 | 2006-08-01 | Christy, Inc. | Ambient air backflushed filter vacuum |
| CN2808268Y (en) * | 2005-08-11 | 2006-08-23 | 北京科净源环宇科技发展有限公司 | Fluid filter |
-
2005
- 2005-08-11 CN CNB2005100901808A patent/CN100448505C/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101091848B (en) * | 2007-04-26 | 2010-05-19 | 黄豪宇 | Combined filter vat |
| CN101099908B (en) * | 2007-07-31 | 2010-05-19 | 黄豪宇 | Polygonal composite filtering bucket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100448505C (en) | 2009-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8246818B2 (en) | Syphon filtration system | |
| CN110201439B (en) | Linkage type multi-stage sewage purification system | |
| CN203494253U (en) | Multi-filter-drum full-automatic filter | |
| CN2808268Y (en) | Fluid filter | |
| CN206730631U (en) | Geothermal tail water recharge automatic backwash pre-filtrating equipment and system | |
| CN1911484A (en) | Liquid filter | |
| CN2818457Y (en) | Full-range water treater | |
| CN211799322U (en) | Solid-liquid-gas three-phase filter based on metal rubber | |
| AU2008329598B2 (en) | Up-flow filtration apparatus and method | |
| CN203303723U (en) | Manual backwash filter | |
| CN107626132B (en) | High-performance backwashing device of bundle tube type filter | |
| CN103566767A (en) | Air water reverse blowing and washing device used for tubular sintered membrane filter | |
| CN208177056U (en) | A kind of trade effluent filter | |
| CN201231103Y (en) | Intelligent self-cleaning filter | |
| CN214714778U (en) | Full-automatic filter | |
| JP4313497B2 (en) | Backwash water self-holding pressure filter | |
| CN105126437B (en) | Multi-stage composite filtration device | |
| CN205216379U (en) | Mining water purification station in pit | |
| KR102637384B1 (en) | A back washing type water purifier, purification system having the same and driving method thereof | |
| CN201643814U (en) | Two-valve horizontal type filter without backwashing water pump | |
| CN210078973U (en) | Back-flushing self-cleaning filtering equipment | |
| CN214512926U (en) | Integrated gravity flow filtration equipment for sewage treatment | |
| KR100787047B1 (en) | Water purifying system equipped with supply means for water mixed with germicide | |
| CN2459063Y (en) | Net type self counter flushing all plastic filter | |
| CN112723671A (en) | Pipeline version robot water treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Polytron Technologies Inc six Beijing kejingyuan WiseNews Building No. 32 Beijing Haidian District Wukesong Road Patentee after: Beijing Kejingyuan Technology Co., Ltd. Address before: Polytron Technologies Inc six Beijing kejingyuan aucan No. 32 Building of Beijing city of Haidian District Wukesong Road Patentee before: Beijing Kejingyuan Technology Co., Ltd. |