CN203002097U - Reverse osmosis security filter system - Google Patents
Reverse osmosis security filter system Download PDFInfo
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- CN203002097U CN203002097U CN 201220723893 CN201220723893U CN203002097U CN 203002097 U CN203002097 U CN 203002097U CN 201220723893 CN201220723893 CN 201220723893 CN 201220723893 U CN201220723893 U CN 201220723893U CN 203002097 U CN203002097 U CN 203002097U
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Abstract
The utility model discloses a security filter system. The security filter system comprises at least two security filters and further comprises a backwashing water feeding and forward-washing draining device, and a backwashing draining device; a first communication pipeline is used for communicating water outlet pipelines of the at least two security filters; a backwashing water inlet valve is arranged between the first communication pipeline and a water outlet pipe of each security filter; the first communication pipeline is provided with a forward-washing draining valve; a second communication pipeline is used for communicating water inlet pipelines of at least two security filters; a backwashing water discharging valve is arranged between the second communication pipeline and the water inlet pipeline of each security filter; and the second communication pipeline is provided with a backwashing draining valve.
Description
Technical field
The utility model relates to a kind of reverse osmosis cartridge filter system, specifically, the utility model relate to a kind of can be in the situation that do not dismantle the cartridge filter system that cartridge filter cleans filter core.
Background technology
Cartridge filter is usually as a kind of protective device in counter-infiltration system, and the bulky grain foreign material that its role is to prevent to enter in the water of counter-infiltration source cause the reverse osmosis membrane surface tear, thereby can prevent that reverse osmosis membrane from damaging.
Usually, reverse osmosis cartridge filter uses large flow folding type filter element usually, and its pore size filter has 10 microns, 5 microns, 1 micron and 0.5 micron etc. multiple, and the filter core material is generally polypropylene.All there are plastics or stainless steel to support filter at the folded fibre surfaces externally and internally, prevent from being out of shape at the pressure state lower filter.This large flow folding type filter element has the characteristics little, that flow is large of taking up an area, and therefore present counter-infiltration water manufacturing system adopts this technique usually.
Yet, but current this reverse osmosis cartridge filter uses the following problem that exists:
(1) filter core is dirty stifled fast, causes filter pressure reduction large, the feed water by reverse osmosis quantity not sufficient.
Inconsistent according to each counter-infiltration system source regimen condition, generally at 10 to 20 days, filter core of security filter will occur dirty stifled, causes pressure reduction to rise, and the cartridge filter flux is not enough, affect the feed water by reverse osmosis amount, causes counter-infiltration water yield decline processed.
(2) filter element cleaning difficulty, life cycle is short.
When occur filter core dirty stifled after, must stoppage in transit system, filter core is pulled down is carried out manual cleaning.Because folding type filter element groove position is difficult to clean thoroughly, so clean complete rear flux at every turn, in various degree decay is arranged all.After filter element cleaning 2-3 time, the filter core flux generally only has 50% left and right of design load, causes the feed water by reverse osmosis amount to decline to a great extent, and affects the normal operation of system.For guaranteeing the counter-infiltration operational effect, can only change filter core, this causes the filter element replacing cost to rise.
Simultaneously, each cleaning all need be adopted the artificial unloading, therefore can cause damage to easily worn parts such as filter core sealing ring, sleeves unavoidably, causes the filter core life cycle to shorten, and the system maintenance cost rises.
The utility model content
One side of the present utility model provides a kind of cartridge filter system, described cartridge filter system comprises at least two cartridge filters, wherein, described cartridge filter system also comprises: backwash water inlet and is just washing blowdown apparatus, utilize the first connecting pipe that the outlet conduit of described at least two cartridge filters is communicated with, the backwash water intaking valve is set between the outlet pipe of the first connecting pipe and every cartridge filter, and arranges on the first connecting pipe and just wash blowoff valve; The backwash blowdown apparatus utilizes the second connecting pipe that the inlet channel of described at least two cartridge filters is communicated with, and the backwash draining valve is set between the water inlet pipe of the second connecting pipe and every cartridge filter, and on the second connecting pipe, the backwash blowoff valve is set.
According on the other hand of the present utility model, described cartridge filter system also can comprise: chemically-cleaning device, comprise the Chemical cleaning inlet channel and Chemical cleaning water intaking valve, Chemical cleaning water tank and Chemical cleaning water pump, Chemical cleaning return pipe and the Chemical cleaning back-water valve (BWV) that sequentially connect, wherein, the Chemical cleaning water inlet pipe is connected to the backwash water inlet and is just washing blowdown apparatus, and the Chemical cleaning return pipe is connected to the backwash blowdown apparatus.
according on the other hand of the present utility model, described cartridge filter system can comprise the first cartridge filter and the second cartridge filter, wherein: the first cartridge filter comprises the first water intaking valve, the first outlet valve, the first filter body, the first blowoff valve, the first backwash draining valve and the first backwash water intaking valve, above-mentioned each valve is connected to the first filter body by pipeline, wherein, the first water intaking valve, the first blowoff valve and the first backwash draining valve are arranged on the water inlet end of the first filter body, first row water valve and the first backwash water intaking valve are arranged on the product water end (W.E.) of the first filter body, wherein, the first backwash draining valve is arranged on the arm of the pipeline between the first water intaking valve and the first filter body, the first backwash water intaking valve is arranged on the arm of the pipeline between first row water valve and the first filter body, the second cartridge filter comprises the second water intaking valve, the second outlet valve, the second filter body, the second blowoff valve, the second backwash draining valve and the second backwash water intaking valve, above-mentioned each valve is connected to the second filter body by pipeline, wherein, the second water intaking valve, the second blowoff valve and the second backwash draining valve are arranged on the water inlet end of the second filter body, second row water valve and the second backwash water intaking valve are arranged on the product water end (W.E.) of the second filter body, wherein, the second backwash draining valve is arranged on the arm of the pipeline between the second water intaking valve and the second filter body, the second backwash water intaking valve is arranged on the arm of the pipeline between second row water valve and the second filter body.wherein, the first end of the first backwash draining valve and the second backwash draining valve is connected respectively to pipeline between the first water intaking valve and the first filter body and the pipeline between the second water intaking valve and the second filter body by pipeline, the second end of the first backwash draining valve and the second backwash draining valve is connected to each other and jointly is connected to the backwash blowoff valve, the first end of the first backwash water intaking valve and the second backwash water intaking valve is connected respectively to pipeline between first row water valve and the first filter body and the pipeline between second row water valve and the second filter body by pipeline, the second end of the first backwash water intaking valve and the second backwash water intaking valve is connected to each other and jointly is connected to and just washing blowoff valve.
According on the other hand of the present utility model, described cartridge filter system also can comprise the Chemical cleaning water tank, the Chemical cleaning water tank is connected on second end and the pipeline between the backwash blowoff valve of the first backwash draining valve and the second backwash draining valve by the Chemical cleaning back-water valve (BWV), and the Chemical cleaning water tank is connected to the second end of the first backwash water intaking valve and the second backwash water intaking valve by Chemical cleaning water pump and Chemical cleaning water intaking valve and is just washing on pipeline between blowoff valve.
According on the other hand of the present utility model, the volume of Chemical cleaning water tank can be cartridge filter volume 1.5-2 doubly.
Description of drawings
By the description to embodiment of carrying out below in conjunction with accompanying drawing, above-mentioned and/or other purposes of the present utility model and advantage will become apparent, wherein:
Fig. 1 is the schematic diagram of existing cartridge filter system;
Fig. 2 is the schematic diagram according to the cartridge filter system of the utility model embodiment.
The specific embodiment
The utility model is described below with reference to accompanying drawings in more detail, embodiment of the present utility model shown in the drawings.Yet, it will be appreciated by those skilled in the art that these embodiment and accompanying drawing are only in order to explain the utility model, and be not intended to limit scope of the present utility model.On the contrary, providing these embodiment and accompanying drawing to make the disclosure will be thoroughly with complete, and will convey to fully those skilled in the art to scope of the present utility model.
Can and just wash blowdown apparatus and the backwash blowdown apparatus forms by the backwash water inlet according to cartridge filter of the present utility model system.In addition, according to an embodiment of the present utility model, the cartridge filter system also can comprise chemically-cleaning device.
According to an embodiment of the present utility model, backwash is intake and is just being washed blowdown apparatus and can configure as follows: utilize the first connecting pipe that the outlet conduit of at least two cartridge filters is communicated with, the backwash water intaking valve is installed between the outlet pipe of the first connecting pipe and every cartridge filter, and is installed on the first connecting pipe and just washing blowoff valve.
According to an embodiment of the present utility model, the backwash blowdown apparatus can configure as follows: utilize the second connecting pipe that the inlet channel of at least two cartridge filters is communicated with, the backwash draining valve is installed between the water inlet pipe of the second connecting pipe and every cartridge filter, and the backwash blowoff valve is installed on the second connecting pipe.
According to an embodiment of the present utility model, chemically-cleaning device can configure as follows: Chemical cleaning water tank and Chemical cleaning water pump are installed, Chemical cleaning inlet channel and Chemical cleaning water intaking valve, Chemical cleaning return pipe and Chemical cleaning back-water valve (BWV).Wherein, the Chemical cleaning water inlet pipe can be connected to the backwash water inlet and just wash blowdown apparatus, and the Chemical cleaning return pipe can be connected to the backwash blowdown apparatus.
Cartridge filter of the present utility model system is described below with reference to accompanying drawings in more detail.
Fig. 1 is the schematic diagram of existing cartridge filter system.
With reference to Fig. 1, existing cartridge filter system generally includes a plurality of cartridge filters 100, and a plurality of cartridge filters can independently of one another or be connected in parallel with each other.Each cartridge filter 100 can comprise water intaking valve 101, outlet valve 102, filter body 103 and blowoff valve 104, and above-mentioned each valve is connected to filter body 103 by pipeline.Wherein, water intaking valve 101 and blowoff valve 104 are arranged on the water inlet end of filter body 103 usually, and draining valve 102 is arranged on the product water end (W.E.) of filter body 103 usually.
In course of normal operation, close blowoff valve 104, open water intaking valve 101 and outlet valve 102, thereby make water enter into filter body 103 by water intaking valve 101, after the dirt in the effect removal water that is arranged on the filter core (not shown) in filter body 103, clean water can be discharged into cartridge filter system outside by outlet valve 102, thereby can be for subsequent process steps.
After operation a period of time, stop up because the dirt in water causes filter core, thereby cause pressure reduction to rise, the cartridge filter flux is not enough, therefore need to clean or change filter core.In this case, close water intaking valve 101 and draining valve 102, open blowoff valve 104, after in device main body 103 to be filtered, remaining water discharges totally, filter body 103 is taken apart, take out the filter core that is arranged on wherein, then filter core is cleaned or changes.After during filter core after will cleaning or change reinstalls to filter body 103, close blowoff valve 104, open water intaking valve 101 and outlet valve 102, thereby carry out next operation cycle.
Fig. 2 is the schematic diagram according to the cartridge filter system of embodiment of the present utility model.
According to an embodiment of the present utility model, the cartridge filter system can comprise the first cartridge filter 210 and the second cartridge filter 220, and wherein, the first cartridge filter 210 and the second cartridge filter 220 are connected in parallel with each other.Although in the present embodiment, safety filter system comprises two cartridge filters, it will be appreciated by those skilled in the art that security system can comprise a plurality of cartridge filters of arranging according to the method described above.
The first cartridge filter 210 can comprise the first water intaking valve 211, the first outlet valve 212, the first filter body 213, the first blowoff valve 214, the first backwash draining valve 215 and the first backwash water intaking valve 216, and above-mentioned each valve is connected to the first filter body 213 by pipeline.Wherein, the first water intaking valve 211, the first blowoff valve 214 and the first backwash draining valve 215 are arranged on the water inlet end of the first filter body 213 usually, and first row water valve 212 and the first backwash water intaking valve 216 are arranged on the product water end (W.E.) of the first filter body 213 usually.Wherein, the first backwash draining valve 215 is arranged on the arm of the pipeline 217 between the first water intaking valve 211 and the first filter body 213, and the first backwash water intaking valve 216 is arranged on the arm of the pipeline 218 between first row water valve 212 and the first filter body 213.According to an embodiment of the present utility model, the water inlet end of the first filter body 213 is arranged on the bottom of the first filter body 213, the product water end (W.E.) of the first filter body 213 is arranged on the top of the first filter body 213, yet the utility model is not limited to this, can determine the water inlet end of the first filter body 213 and the position of producing water end (W.E.) according to concrete arrangement.
The second cartridge filter 220 can comprise the second water intaking valve 221, the second outlet valve 222, the second filter body 223, the second blowoff valve 224, the second backwash draining valve 225 and the second backwash water intaking valve 226, and above-mentioned each valve is connected to the second filter body 223 by pipeline.Wherein, the second water intaking valve 221, the second blowoff valve 224 and the second backwash draining valve 225 are arranged on the water inlet end of the second filter body 223 usually, and second row water valve 222 and the second backwash water intaking valve 226 are arranged on the product water end (W.E.) of the second filter body 223 usually.Wherein, the second backwash draining valve 225 is arranged on the arm of the pipeline 227 between the second water intaking valve 221 and the second filter body 223, and the second backwash water intaking valve 226 is arranged on the arm of the pipeline 228 between second row water valve 222 and the second filter body 223.According to an embodiment of the present utility model, the water inlet end of the second filter body 223 is arranged on the bottom of the second filter body 223, the product water end (W.E.) of the second filter body 223 is arranged on the top of the second filter body 223, yet the utility model is not limited to this, can determine the water inlet end of the second filter body 223 and the position of producing water end (W.E.) according to concrete arrangement.
The first end of the first backwash draining valve 215 and the second backwash draining valve 225 is connected to each other and jointly is connected to backwash blowoff valve 240 by the second end that pipeline is connected respectively to pipeline 217 and 227, the first backwash draining valves 215 and the second backwash draining valve 225.
The second end that the first end of the first backwash water intaking valve 216 and the second backwash water intaking valve 226 is connected respectively to pipeline 218 and 228, the first backwash water intaking valves 216 and the second backwash water intaking valve 226 by pipeline is connected to each other and jointly is connected to and just washing blowoff valve 230.
Also can comprise Chemical cleaning water tank 280 according to the cartridge filter system of the present embodiment, Chemical cleaning water tank 280 is connected on second end and the pipeline between backwash blowoff valve 240 of the first backwash draining valve 215 and the second backwash draining valve 225 by Chemical cleaning back-water valve (BWV) 260, and Chemical cleaning water tank 280 is connected to the second end of the first backwash water intaking valve 216 and the second backwash water intaking valve 226 by Chemical cleaning water pump 270 and Chemical cleaning water intaking valve 250 and is just washing on pipeline between blowoff valve 230.
under normal mode of operation, close the second blowoff valve 214, the first backwash draining valve 215, the first backwash water intaking valve 216, the second blowoff valve 224, the second backwash draining valve 225 and the second backwash water intaking valve 226, open the first water intaking valve 211, the first outlet valve 212, the second water intaking valve 221 and the second outlet valve 222, thereby make water enter into the first filter body 213 and the second filter body 223 by the first water intaking valve 211 and the second water intaking valve 221 respectively, after the dirt in the effect removal water that is arranged on the filter core in the first filter body 213 and the second filter body 223, clean water can be discharged into cartridge filter system outside by the first outlet valve 212 and the second outlet valve 222, thereby can be for subsequent process steps.
After operation a period of time, stop up because the dirt in water causes filter core, thereby cause pressure reduction to rise, the cartridge filter flux is not enough.Usually, one (for example, the first cartridge filter 210) in a plurality of cartridge filters that are connected in parallel to each other dirty stifled phenomenon occurs and (that is, causes pressure reduction to rise because filter core stops up, flux is not enough) time, can carry out backwash operation to the first cartridge filter 210.
Specifically, when the first cartridge filter 210 is carried out backwash operation, close the first water intaking valve 211, the first outlet valve 212, just wash blowoff valve 230, Chemical cleaning water intaking valve 250, Chemical cleaning back-water valve (BWV) 260 and the second outlet valve 222, open the first backwash draining valve 215, backwash blowoff valve 240, the first backwash water intaking valve 216 and the second backwash water intaking valve 226.In this case, the water outlet of the second cartridge filter 220 enters into the first filter body 213 through the second backwash water intaking valve 226 and the first backwash water intaking valve 216 from the delivery port of the first filter body 213, and the current reverse flow is crossed after filter core be discharged into the cartridge filter system from the water inlet of the first filter body 213 by the first backwash draining valve 215 and backwash blowoff valve 240 outside.In this case, the water outlet of the second cartridge filter 220 is connected to the delivery port of the first cartridge filter 210 by valve, and water is discharged after the filter core of the first cartridge filter 210 in reverse flow.
Backwash also can just washed the first cartridge filter 210 after finishing.In just washing process, close the second outlet valve 226, the first backwash draining valve 215, open and just washing blowoff valve 230, the first water intaking valve 211, keep other valve state constant, thereby make water enter into the water inlet of the first filter body 213 by the first water intaking valve 211, and be discharged into cartridge filter system outside through the delivery port from the first filter body 213 after filter core through just washing blowoff valve 230 at forward.
After just washing end, each valve is adjusted to normal mode of operation, thereby make the cartridge filter system recover normal operating conditions.
Similarly, when the second cartridge filter 220 is carried out backwash operation, close the second water intaking valve 221, the second outlet valve 222, just wash blowoff valve 230, Chemical cleaning water intaking valve 250, Chemical cleaning back-water valve (BWV) 260 and the first outlet valve 212, open the second backwash draining valve 225, backwash blowoff valve 240, the second backwash water intaking valve 226 and the first backwash water intaking valve 216.In this case, the water outlet of the first cartridge filter 210 enters into the second filter body 223 through the first backwash water intaking valve 216 and the second backwash water intaking valve 226 from the delivery port of the second filter body 223, and the current reverse flow is crossed after filter core be discharged into the cartridge filter system from the water inlet of the second filter body 223 by the second backwash draining valve 225 and backwash blowoff valve 240 outside.In this case, the water outlet of the first cartridge filter 210 is connected to the delivery port of the second cartridge filter 220 by valve, and water is discharged after the filter core of the second cartridge filter 220 in reverse flow.
Backwash also can just washed the second cartridge filter 220 after finishing.In just washing process, close the first outlet valve 216, the second backwash draining valve 225, open and just washing blowoff valve 230, the second water intaking valve 221, keep other valve state constant, thereby make water enter into the water inlet of the second filter body 223 by the second water intaking valve 221, and be discharged into cartridge filter system outside through the delivery port from the second filter body 223 after filter core through just washing blowoff valve 230 at forward.
After just washing end, each valve is adjusted to normal mode of operation, thereby make the cartridge filter system recover normal operating conditions.
According to an embodiment of the present utility model, when surpassing 0.1MPa, the intake pressure of filter and the difference between discharge pressure carry out backwash, and the backwash time can be 5-10 minute, just washing sustainable 1-3 minute after backwash finishes.Yet the utility model is not limited to this, Inlet and outlet water pressure reduction and the backwash in the time of can determining the beginning backwash according to the concrete condition of filter, just washes the time.
Contaminated and be difficult to by backwash and when just washing to clean, also can enable chemical cleaning system when filter core.That is, according to the pollution type of cartridge filter, carry out the preparation of cleaning agent at the Chemical cleaning water tank, for example, for oil pollution, can use alkaline cleaning agent, for scaling fouling, can use acid cleaning agent.The utility model is not limited to this, according to the different in kind of pollutant, can select corresponding cleaning agent.
The below illustrates the process of Chemical cleaning take the first cartridge filter 210 as example.In the process of carrying out Chemical cleaning, first cartridge filter 210 of at first stopping transport is closed the first inlet valve 211, the first flowing water Valve 212, and opens the first blowoff valve 214, thereby carries out emptying to the first cartridge filter 210.Emptying complete after, close the first blowoff valve 214, just wash blowoff valve 230, backwash blowoff valve 240, open the first backwash water intaking valve 216, the first backwash draining valve 215, Chemical cleaning cleaning water intaking valve 250, Chemical cleaning back-water valve (BWV) 260, and open Chemical cleaning water pump 270 and carry out the cyclic chemical cleaning.In this case, the Chemical cleaning medicament circulates between the first cartridge filter 210 and Chemical cleaning water tank 280, and Chemical cleaning medicament reverse flow is crossed the filter core in the first filter body 213, cleans thereby the first cartridge filter 210 is carried out chemical cycle.According to an embodiment of the present utility model, the time that chemical cycle is cleaned can be 10-20 minute.Yet the utility model is not limited to this, if pollute comparatively seriously, also can after chemical agent solution is full of the first filter body 213, (for example carry out certain hour to filter body 213,20-30 minute) chemical agent soak, then carry out wash cycles.
After the chemical cycle cleaning is complete, can carry out a period of time just washing of (for example, 1-3 minute) to the first cartridge filter 210, thereby can make the first cartridge filter 210 recover normal operating modes after removing residual Chemical cleaning medicament.The method of just washing is identical with previously described positive washing method, for the purpose of concise and to the point, does not repeat them here.
In addition, the Chemical cleaning of the second cartridge filter 220 with basic identical to the Chemical cleaning of the first cartridge filter 210, for the purpose of concise and to the point, is not repeated them here.
Although should be noted in the discussion above that having described in the present embodiment the cartridge filter system comprises chemical cleaning system, it will be appreciated by those skilled in the art that chemical cleaning system not necessarily.In specific situation, can omit this chemical cleaning system.
Although should also be noted that showing in the above-described embodiments the cartridge filter purging system comprises two cartridge filters, it will be appreciated by those skilled in the art that to adopt identical more cartridge filters of structure setting.
According to embodiment of the present utility model, the mounting means of backwash water inlet and drainage technology pipeline, valve and existing system pipeline, valve material are consistent, caliber (valve size) is consistent with existing cartridge filter inlet and outlet pipe lines (valve) caliber, the water flux when guaranteeing backwash.
In addition, the chemical cleaning system material adopts the anticorrosion material, and pipeline adopts plastic pipe, and flushing water pump adopts anti-corrosive water pump, cleans water tank and carries out the methods such as inwall Corrosion Protection of Fiber Reinforced Plastics, guarantees the safe operation of chemical cleaning system.The Chemical cleaning water tank capacity calculates according to cartridge filter and supporting detergent line maximum volume, doubly is advisable according to the 1.5-2 of system volume.The Chemical cleaning pump capacity can be selected according to separate unit cartridge filter design discharge, and pump head can be selected according to 20 to 40m.Chemical cleaning pipeline and valve are consistent with cartridge filter Inlet and outlet water caliber.
According to an embodiment of the present utility model, can transform the two above existing cartridge filter inlet and outlet pipes of cover, adopt another cartridge filter water outlet to carry out backwash to this TV station filter, thereby can clean the filter core of cartridge filter, the life cycle that extends filter core under the state than dismounting.In addition, also chemically-cleaning device can be set, thereby implement filter core of security filter immersion, cyclic chemical cleaning.
The beneficial effects of the utility model are: by valve regulated, can utilize the product water of other cartridge filter to carry out the clear water backwash to dirty blockage filter; After determining the pollutant of filter core of security filter, also can use the Chemical cleaning that corresponding Chemical cleaning medicine carries out the contaminated filter device.Realize that filter element cleans in not dismounting situation, improves the service life of filter core.
Although described the utility model in conjunction with specific embodiment, but those of ordinary skills are to be understood that, in the situation that do not break away from spirit and scope of the present utility model, can carry out various changes on form and details to these embodiment, scope of the present utility model is limited by claims and equivalent thereof.
Claims (5)
1. cartridge filter system, described cartridge filter system comprise at least two cartridge filters, it is characterized in that described cartridge filter system also comprises:
The backwash water inlet reaches is just washing blowdown apparatus, utilize the first connecting pipe that the outlet conduit of described at least two cartridge filters is communicated with, the backwash water intaking valve is set between the outlet pipe of the first connecting pipe and every cartridge filter, and arranges on the first connecting pipe and just wash blowoff valve;
The backwash blowdown apparatus utilizes the second connecting pipe that the inlet channel of described at least two cartridge filters is communicated with, and the backwash draining valve is set between the water inlet pipe of the second connecting pipe and every cartridge filter, and on the second connecting pipe, the backwash blowoff valve is set.
2. cartridge filter as claimed in claim 1 system, it is characterized in that described cartridge filter system also comprises: chemically-cleaning device, comprise the Chemical cleaning inlet channel and Chemical cleaning water intaking valve, Chemical cleaning water tank and Chemical cleaning water pump, Chemical cleaning return pipe and the Chemical cleaning back-water valve (BWV) that sequentially connect, wherein, the Chemical cleaning water inlet pipe is connected to the backwash water inlet and is just washing blowdown apparatus, and the Chemical cleaning return pipe is connected to the backwash blowdown apparatus.
3. cartridge filter as claimed in claim 1 system is characterized in that described cartridge filter system comprises the first cartridge filter and the second cartridge filter, wherein:
the first cartridge filter comprises the first water intaking valve, the first outlet valve, the first filter body, the first blowoff valve, the first backwash draining valve and the first backwash water intaking valve, above-mentioned each valve is connected to the first filter body by pipeline, wherein, the first water intaking valve, the first blowoff valve and the first backwash draining valve are arranged on the water inlet end of the first filter body, first row water valve and the first backwash water intaking valve are arranged on the product water end (W.E.) of the first filter body, wherein, the first backwash draining valve is arranged on the arm of the pipeline between the first water intaking valve and the first filter body, the first backwash water intaking valve is arranged on the arm of the pipeline between first row water valve and the first filter body,
the second cartridge filter comprises the second water intaking valve, the second outlet valve, the second filter body, the second blowoff valve, the second backwash draining valve and the second backwash water intaking valve, above-mentioned each valve is connected to the second filter body by pipeline, wherein, the second water intaking valve, the second blowoff valve and the second backwash draining valve are arranged on the water inlet end of the second filter body, second row water valve and the second backwash water intaking valve are arranged on the product water end (W.E.) of the second filter body, wherein, the second backwash draining valve is arranged on the arm of the pipeline between the second water intaking valve and the second filter body, the second backwash water intaking valve is arranged on the arm of the pipeline between second row water valve and the second filter body,
Wherein, the first end of the first backwash draining valve and the second backwash draining valve is connected respectively to pipeline between the first water intaking valve and the first filter body and the pipeline between the second water intaking valve and the second filter body by pipeline, the second end of the first backwash draining valve and the second backwash draining valve is connected to each other and jointly is connected to the backwash blowoff valve
The first end of the first backwash water intaking valve and the second backwash water intaking valve is connected respectively to pipeline between first row water valve and the first filter body and the pipeline between second row water valve and the second filter body by pipeline, and the second end of the first backwash water intaking valve and the second backwash water intaking valve is connected to each other and jointly is connected to and just washing blowoff valve.
4. cartridge filter as claimed in claim 3 system, it is characterized in that described cartridge filter system also comprises the Chemical cleaning water tank, the Chemical cleaning water tank is connected on second end and the pipeline between the backwash blowoff valve of the first backwash draining valve and the second backwash draining valve by the Chemical cleaning back-water valve (BWV), and the Chemical cleaning water tank is connected to the second end of the first backwash water intaking valve and the second backwash water intaking valve by Chemical cleaning water pump and Chemical cleaning water intaking valve and is just washing on pipeline between blowoff valve.
5. as described in claim 2 or 4 cartridge filter system, the volume that it is characterized in that the Chemical cleaning water tank be cartridge filter volume 1.5-2 doubly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220723893 CN203002097U (en) | 2012-12-25 | 2012-12-25 | Reverse osmosis security filter system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220723893 CN203002097U (en) | 2012-12-25 | 2012-12-25 | Reverse osmosis security filter system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203002097U true CN203002097U (en) | 2013-06-19 |
Family
ID=48593735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220723893 Expired - Fee Related CN203002097U (en) | 2012-12-25 | 2012-12-25 | Reverse osmosis security filter system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203002097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536341A (en) * | 2015-11-17 | 2016-05-04 | 内蒙古包钢钢联股份有限公司 | Reverse osmosis water treatment system primary filter and secondary filter backwashing method |
-
2012
- 2012-12-25 CN CN 201220723893 patent/CN203002097U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536341A (en) * | 2015-11-17 | 2016-05-04 | 内蒙古包钢钢联股份有限公司 | Reverse osmosis water treatment system primary filter and secondary filter backwashing method |
| CN105536341B (en) * | 2015-11-17 | 2017-10-13 | 内蒙古包钢钢联股份有限公司 | Filter of reverse osmosis water treatment system and aflter-fillter back-washing method |
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