CN204275631U - A kind of rain sewage full-automatic filter - Google Patents
A kind of rain sewage full-automatic filter Download PDFInfo
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- CN204275631U CN204275631U CN201420674779.0U CN201420674779U CN204275631U CN 204275631 U CN204275631 U CN 204275631U CN 201420674779 U CN201420674779 U CN 201420674779U CN 204275631 U CN204275631 U CN 204275631U
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Abstract
The utility model discloses a kind of rain sewage full-automatic filter, the electric cabinet comprising filter body and match with filter body, filter body upper end is connected with electro-motor, and filter body inside is provided with screen pack and the cleaning device of loop configuration, the lower end of filter body and side are respectively equipped with water inlet and delivery port, and filter body side is provided with the differential pressure pickup suitable with screen pack, differential pressure pickup is connected with electric cabinet by control piper, filter body upper end is also provided with sewage draining exit, sewage draining exit place is provided with the electromagnetic switch and scum cock that match.The beneficial effects of the utility model are: this apparatus structure is simple, easily operates, by adopting metal mesh filter, without the need to changing filtrate; The process water yield is large, section dirt is effective; Automatic backwash, uninterruptedly to supply water; Equipment volume is little, saving floor space; Quick and easy for installation, there are stronger engineer applied and promotion prospect, are conducive to the propagation and employment in market.
Description
Technical field
The utility model relates to water-treatment technology field, specifically, relates to a kind of rain sewage full-automatic filter.
Background technology
At water-treatment technology field, filter and generally refer to that water makes the impurity particle contained by it be retained by certain medium, thus make former water obtain the process treatment process of clarification.Traditional mechanical filter equipment comprises: quartz filter, active carbon filter, more medium filter, fiber ball filter, PP candle filter, ceramic filter etc., the filtrate adopted is mostly quartz sand, active carbon, anthracite, natural manganese sand, fibrous nodules, fibre bundle, haydite etc.
These traditional filter plants, because its rate of filtration is little, floor space large, are generally applied to the advanced treatment unit of water, and are directed to the pretreatment unit of rain, sewage, based on the feature that it is above-mentioned, just exposed obvious inferior position, be mainly reflected in:
1. occupation area of equipment is large, and one-time investment is high;
2. the pollutant levels of former water are high, and backwash is frequent, and power consumption is large, and operating cost is high;
3. filtrate water environment capacity declines rapidly, and especially for oily waste water, filtrate hardens soon, and the replacement cycle shortens;
4. during filtrate backwash, treatment facility needs intermitten service, can not ensure continuous water supply;
5. need to be equipped with the auxiliary equipment such as backwash pump, water tank (pond), air compressor machine;
6. filter material replacement labour intensity is large, and downtime is long;
Necessity for rain, pretreatment system for sewage: rainwater is in descent, and the dissolved gas in air, dissolubility suspension solid, heavy metal and bacterium etc. can enter wherein.Pollutant in rainwash is mainly from rainfall washing away earth's surface.So surface sediments is the main source of pollutant in rainfall runoff.The composition of surface sediments decides the character of rainwater rainwash pollution.Surface sediments comprises many polluters, has solid-state castoff chip (municipal refuse, animal wastes, Urban Building Construction place deposit) chemicals (fertilizer and pesticide that lawn is used), vehicle emission, greasy dirt etc.Its sedimental source, earth's surface with different using function is different.Thus, rainwater water quality can because of the difference of place, time difference to some extent.General Rainwater Quality mainly considers the concentration of BOD, COD, SS, TN etc.
For now, the less employing biological treatment of rainwater purification, this water quality that is main and rainwater itself has close relationship.On the one hand, in rainwater, BOD content is lower, causes the more difficult survival of bacterial classification; On the other hand, the survival of bacterial classification to be kept between rain free period need to expend financial resources, material resources and manpower.Due to seasonality and the randomness of rainfall, if simple process rainwater, the operation of its treatment system will be discontinuous, and cause the service efficiency for the treatment of system not high, therefore the processing method of conventional rainwater adopts the technique of materializing strategy usually.
Rainwater collecting and treating system, refers to the whole process of rainwater-collecting and process, and this process mainly comprises five Main Stage: rain early-stage split-flow-pretreatment-storage-advanced treating-reuse; Completing this double teacher, is exactly the overall process of a rainwater-collecting process, namely rainwater-collecting reclaiming system.
During to employing ground for collection rain face, current are usually carried under one's arms a large amount of silt, dust, leaf and other pollutants in the process collected, and must take pretreatment measure.General pretreatment measure comprises setting pot and filtering ponds (coarse filter).Practice shows, after setting pot precipitation process, the impurity contents such as silt are still higher, and especially in Loess Plateau, the impurity contents such as silt remain high.In order to increase water quality further, need to carry out physical filtering to the rainwater after setting pot process.Its main purification facility is filtering ponds, supports the use after can being built in setting pot with setting pot, also can adopt separately.Many tests show, coarse filter process can make the removal efficiency of ground Accumulated Rainwater reach 78%, and total number of bacteria clearance reaches 91%, and turbidity reduces by 71%, COD clearance and reaches 46%.Coarse filter has obvious removal effect to the major pollutants in the rainfall runoff of ground.The a series of shortcomings such as but this coarse filter floor space is large, invests high, backwash is frequent, and silt cleaning work amount is large, interruption water supply limit it and promote the use of on a large scale.
Existing rainwater treatment technological process is generally: rainwater roofing, surface runoff---rainwater-collecting pipeline---rainwater flow-discarding device---rainwater pre-processing device---rain-water accumulating water unit---rainwater advanced treatment apparatus---rainwater reuse water spot
Above-mentioned process chart illustrates: early-stage rainwater, through the process of abandoned stream and pre-processing device, ensure that the water quality of collected rainwater.Especially when rainwater storage unit adopts water storage module to carry out retaining, effectively ensure that the water quality of retaining and the cleaning work of module bottom sand setting (mud), do not take spatial surface simultaneously, construction is simple, convenient, environmental protection more, safety.Therefore, the pretreatment in early stage for rainwater is very necessary.
In addition, as everyone knows, the process for sewage is generally divided into the process of factory effluent and the process of sanitary sewage.And the sewage treatment process of routine Physical, chemical method and bioanalysis nothing more than.For a certain specific sewage, the treatment effect wanting to reach expection often adopts the treating method of combination to realize, and bioanalysis is economical treatment process the most common as the three stage treatment unit of sewage.
The biological treatment of sewage is mainly converted into simple inorganic matter by the decomposition of microorganism dirty Organic substance in water, and sewage is purified.But create good living environment to make the higher treatment effeciency of microorganism performance just be necessary for it.Some inorganic suspensions are often mingled with in sewage, graininess or the flaky substance such as silt, dust, metal residual grain of main finger in suspended state in sewage, major part is from sanitary sewage, early-stage rainwater and the industrial wastewater such as the flushing surface water and coal washing, ore dressing, metallurgy.These inorganic floating things or suspension itself nontoxic, but it can adsorb organic poison, heavy metal etc. and form the larger combined pollutant of harm, badly influence the effect of subsequent biochemical process, if not pretreatment in addition, overall biological treatment system efficiency can be caused to decline.So for the combined treatment process of sewage, the pretreatment of sewage is also very necessary.
At present, for the pre-processing device of rain, sewage and facility mainly comprise grid, screen cloth, setting pot, grit water separator and some retain and block dirty facility, but it all has a drawback, be exactly that the floating thing of bulk or suspension can be tackled by these equipment, and cannot remove for the impurity particle that major part is tiny, and the continuous accumulation of these fine particles especially inorganic particle just, finally have influence on the treatment effect of water quality.
For relevant issues of the prior art, at present effective solution is not yet proposed.
Utility model content
The purpose of this utility model there is provided a kind of rain sewage full-automatic filter, to overcome above-mentioned deficiency of the prior art.
The purpose of this utility model is achieved through the following technical solutions:
A kind of rain sewage full-automatic filter, the electric cabinet comprising filter body and match with filter body, described filter body upper end is connected with electro-motor, and described filter body inside is provided with screen pack and the cleaning device of loop configuration, the lower end of described filter body and side are respectively equipped with water inlet and delivery port, and described filter body side is provided with the differential pressure pickup suitable with screen pack, described differential pressure pickup is connected with electric cabinet by control piper, described filter body upper end is also provided with sewage draining exit, described sewage draining exit place is provided with the electromagnetic switch and scum cock that match, wherein, described electromagnetic switch, cleaning device and described filter body all with described electric cabinet control connection.
Further, described screen pack comprises the first screen pack and is arranged at the second screen pack inside the first screen pack, and described first screen pack is connected with described filter body, and described second screen pack is connected with described first screen pack.
Further, the filtering accuracy of described first screen pack is 100 microns.
Further, the filtering accuracy of described second screen pack is 10 microns.
Further, described first screen pack and the second screen pack all adopt Stainless steel 316 L material to form.
Further, filtration time timer and blowing time timer is provided with in described electric cabinet.
Further, described cleaning device comprises stainless steel cleaning brush.
Further, described water inlet and water outlet are equipped with the flange arrangement matched.
The beneficial effects of the utility model are: this apparatus structure is simple, easily operates, by adopting metal mesh filter, without the need to changing filtrate; The process water yield is large, section dirt is effective; Automatic backwash, uninterruptedly to supply water; Equipment volume is little, saving floor space; Quick and easy for installation, be suitable for maintaining; Intelligent fully automatic operation; There are stronger engineer applied and promotion prospect, are conducive to the propagation and employment in market.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of rain sewage full-automatic filter according to the utility model embodiment;
Fig. 2 is a kind of rain sewage full-automatic filter according to the utility model embodiment concrete mounting structure schematic diagram one when using;
Fig. 3 is a kind of rain sewage full-automatic filter according to the utility model embodiment concrete mounting structure schematic diagram two when using;
Fig. 4 is a kind of rain sewage full-automatic filter according to the utility model embodiment concrete mounting structure schematic diagram three when using;
Fig. 5 is the structural representation of the electric cabinet of a kind of rain sewage full-automatic filter according to the utility model embodiment.
In figure:
1, filter body; 2, the first screen pack; 3, the second screen pack; 4, water inlet; 5, delivery port; 6, sewage draining exit; 7, electro-motor; 8, electromagnetic switch; 9, scum cock; 10, stainless steel cleaning brush.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of the utility model protection.
As shown in Figure 1, according to a kind of rain sewage full-automatic filter of the utility model embodiment, the electric cabinet comprising filter body 1 and match with filter body 1, described filter body 1 upper end is connected with electro-motor 7, and described filter body 1 inside is provided with screen pack and the cleaning device of loop configuration, the lower end of described filter body 1 and side are respectively equipped with water inlet 4 and delivery port 5, and described filter body 1 side is provided with the differential pressure pickup suitable with screen pack, described differential pressure pickup is connected with electric cabinet by control piper, acting as of described differential pressure pickup detects pressure at both sides value inside and outside filter screen automatically, when reaching preset value (being generally 0.03MPa-0.05MPa), indicate the beginning of cleaning blowdown, described filter body 1 upper end is also provided with sewage draining exit 6, and described sewage draining exit 6 place is provided with the electromagnetic switch 8 and scum cock 9 that match, wherein, described electromagnetic switch 8, cleaning device and described filter body 1 all with described electric cabinet control connection.
The second screen pack 3 that described screen pack comprises the first screen pack 2 and is arranged at inside the first screen pack 2, described first screen pack 2 is connected with described filter body 1, described second screen pack 3 is connected with described first screen pack 2, namely sewage enters into after in filter body 1, first by the first screen pack 2, sewage after the first screen pack 2 filters, being filtered by the second screen pack 3, ensure that the quality of filtration.
The filtering accuracy of described first screen pack 2 is 100 microns; The filtering accuracy of described second screen pack 3 is 10 microns; Described first screen pack 2 and the second screen pack 3 all adopt Stainless steel 316 L material to form, and are divided into establishment net, sintered meshwork and wedge shape net three kinds of structural forms according to the difference of filtering accuracy; Compare traditional quartz sand and more medium filter, due to the filtrate that inside is not filled, there is not impurity screening because backwash does not thoroughly cause filtrate to occur hardening the problem of needs replacing, and therefore operational management is more convenient; And make device mainly for processing target be inanimate matter more than 10 μm of particle diameter in water and be difficult to the suspension particle of precipitation process, and in processing procedure, adopt the mode of metal mesh filter, flow velocity is fast, holding filth capacity is high, the automatic backwash of uninterrupted water supply, has suitable practicality; By selecting the screen pack of Stainless steel 316 material, making filter intensity high, not easily suffering damage, and corrosion resistance is strong, effectively raises stability and the reliability of device, extends the service life of device.
In addition, because this product adopts fine and close wire netting to filter, water resistance is crossed less, in addition inner filter element of arranging ringwise provides larger filter area, therefore for other filter plant, filtering velocity can significantly improve, and the process water yield is larger.Be directed to early-stage rainwater and sanitary sewage, effectively can remove the bulky grain pollutant be mixed in wherein, as pre-processing device, cut dirty effect clearly.
As shown in Figure 5, in described electric cabinet, be provided with filtration time timer and blowing time timer, set by the filtration time timer on electric cabinet and blowing time timer, Full-automatic filter blowdown process can be realized, effectively decrease cost of labor.
Described cleaning device comprises stainless steel cleaning brush 10.
Described water inlet 4 and delivery port 5 place are equipped with the flange arrangement matched, and connect water sending device and water container by flange arrangement.
First, when installation and transportation, should be noted that following problem:
1, the direction of arrow on body is water (flow) direction, and filter should be installed by this direction, that is: in system, water (flow) direction should be consistent with the direction of arrow, must not connect anti-.
2, hydraulic control valve outlet should install blow-off pipe, and connected mode is Flange joint, and blow-off pipe length can not more than 15 meters, and the slope angle upwards that do not have, in order to avoid produce back pressure.
3, filter has two kinds of mounting means, sees Fig. 2 ~ 3, but should notice that water (flow) direction can not be mistaken, and should hydraulic control valve be made to be horizontal or downward position during installation as far as possible, to ensure that blowdown is thorough.
4, filter should be installed in series in pipe-line system, and for ensureing that system uninterruptedly supplies water when maintenance down, should arrange bypass in system, filter import and export and bypass all should be arranged to be blocked with valve, as: stop valve, ball valve, butterfly valve etc.
5, selecting of filter specification should match with installation pipeline, as: system caliber is 10 " then selecting 10 " specification filter, when filter's flow can not meet pipeline requirement, two (or multiple) filters can be installed in parallel, see Fig. 4.
6, before filter should be arranged on the water equipment that system need protect, should try one's best near protected equipment in its installation site.
7, in the place likely occurring to reflux, at filter outlet, check-valves should be installed.
8, in dynamical system, filter should be arranged between pump and equipment, better the closer to equipment, if the pressure between pump and equipment exceedes the limiting pressure of filter, then before filter should being installed on pump, and as far as possible near pump.
9, electric controller is installed: fix by filter default installation position when electric controller dispatches from the factory, time as different from acquiescence in user's actual installation position, by pulling down four construction bolts of fixing electric cabinet support, after adjusting to the correct orientation of electric cabinet support and electric cabinet, then four bolts nut is fixed.
10, choose reasonable installation environment, notes waterproof, rainproof, moistureproof.
11, debugged complete before product export, user can not arbitrarily dismantle or debug electric controller.
In addition, when specifically using, Full-automatic self-cleaning filter has and to filter former water and automatic function of carrying out cleaning blowdown to filter core, and during cleaning blowdown, system uninterruptedly supplies water.
The cleaning of Full-automatic self-cleaning filter has two kinds of control modes: automatically control and Non-follow control.
Automatic control: automatically control have timing and pressure reduction two modes, filtration time timer sets filtration time, when filtration time arrives, start blowdown, blowing time is set by blowing time timer; Compared with the pressure reduction that simultaneously system pressure difference and user set by control system in real time, when system pressure difference reach set pressure reduction time, filter also carries out cleaning blowdown, and blowing time is set by blowing time timer.Blowing time arrives, stop cleaning, System recover to its original state, for next filter progress is got ready.
Manual/auto selector switch is rotated to automated location, first sets filtration time and blowing time timer; The numeral method setting value of the lower row of timer, the numeral method clocking value of upper row.
Non-follow control: the manual/auto selector switch on guidance panel is pushed manual position, and filter carries out blowdown.
As shown in Figure 5, rotate manual/auto selector switch to manual position, now, described electro-motor 7 and electromagnetic switch 8 switch on power, and electromagnetic switch 8 is opened, and start blowdown, and selector switch rotates to automated location, enters auto state.
Non-follow control state is the means checking that can electro-motor 7 and electromagnetic switch 8 normally work, if can not normally drain contamination automatic control state also can not normally work in Non-follow control state.
Timer establishing method: click position and select key, under ranked first the flicker of charactron, with increase key adjustment numerical value, adjust clicking position again and select key, second charactron flicker, with increase key adjustment numerical value, the like.Set the time, charactron continues flicker 8 seconds, and after 8 seconds, numerical value is stored in internal memory, and power down is not lost.After adjusting numerical value, click start key, start timing.If machine power-off, powers on next time, timer starts automatically, carries out timing according to setting-up time.
Filtration time, in units of dividing, is up to 9999 minutes; In seconds, maximum time was by 99.99 seconds for blowing time.Machine powers on, auto state is entered with selector switch, first filter, filtration time timer starts timing, and actual pressure differential and setting pressure reduction also compare by pressure difference switch simultaneously, if the filtration time of setting has arrived, and pressure reduction does not arrive, machine is also opened scum cock and is carried out cleaning blowdown, and filtration time stops timing, and blowing time starts timing; When blowing time arrives, close scum cock, stop cleaning blowdown, blowing time stops timing, and filtration time starts timing, enter next circulation, if the filtration time of setting is less than, and pressure reduction has arrived, machine is opened scum cock and is carried out cleaning blowdown, filtration time stops timing, and blowing time starts timing; When blowing time arrives, close scum cock, stop cleaning blowdown, blowing time stops timing, and filtration time starts timing, so moves in circles.
In addition, the filtering accuracy of this device is defaulted as 100 microns, and optional from 10 to 3000 microns, and filter area is large, and pollutant holding capability is high, and user can customize according to actual condition; Cleaning way is simple, and the circulation of cleaning and filtration is by electronic monitoring, and can realize automatically cleaning blowdown, each parameter in Full-automatic self-cleaning filter control system is all adjustable; Equipment is provided with motor overload protection, can available protecting motor; Have uninterruptedly supply water when cleaning blowdown, without the need to the feature of bypass, and scavenging period is short, blowdown water consumption is few, and blowdown flow rate is no more than 1% of total flow; Small volume and less weight, maintainability is strong, installing/dismounting is simple; Be Flange joint with the connected mode of user's pipeline, flange adopts GB flange, highly versatile.
Concrete operation principle is: when former water enters filter body 1 by equipment water inlet 4, first filter filters the impurity of larger particles through the first screen pack 2, then arrive the second screen pack 3 place, after the impurity by the filtering fine particle of the second screen pack 3, clear water is discharged by delivery port 5; In whole filter process, the amount of impurities of described second screen pack 3 internal layer accumulates gradually, and inside and outside the second screen pack 3, both sides just define a pressure reduction; When this pressure reduction reaches the numerical value preset, differential pressure pickup transmission signal is to controller, and controller will open automatic cleaning process.That is: electromagnetic switch 8 is opened, and the sewage of blowdown room is forcefully discharged due to earth pressure release; Thus the pressure in dirt sucking tube is declined to a great extent, be connected to sewage absorpting heat on dirt sucking tube due to suction function, the dirt of the second screen pack 3 inwall accumulation is drawn by the suction nozzle of termination, discharged by scum cock, form automatic sewage-suction, a blowdown process, whole cleaning process will continue tens of second, and scum cock cuts out at the end of cleaning, the hydraulic pressure increased can make filter recover its initial position, and filter starts to prepare next flushing cycle; In the process of whole automatic cleaning blowdown, it is uninterrupted that filter filters work normally, and sewer is the sub-fraction in the middle of its water inlet, and most of sewage still flows out apparatus body after normal filtration, and therefore all processes is without the need to shutting down.
In filter process, the impurity that the second screen pack 3 is retained down adds up gradually at internal layer, and inside and outside self-cleaning filter filter screen, both sides just define a pressure reduction.When this pressure reduction reaches preset value, will start automatic cleaning process: scum cock 9 is opened, water is also discharged by the hydraulic motors room of administration component and waterpower cylinder release pressure; Pressure in hydraulic motors room and dirt sucking tube declines to a great extent, self-cleaning piping filter body 1, due to suction function, draws the dirt of the second screen pack 3 inwall by suction nozzle, flow into hydraulic motors room by hydraulic motors, discharged by scum cock 9, form a soil pick-up process.
When carrying out automatic pollution discharge, the power motor 7 at equipment top can drive dirt sucking tube to rotate, dirt sucking tube is provided with sewage absorpting heat and stainless steel cleaning brush 10, stainless steel cleaning brush 10 and screen tube form the form of relative motion, and are cleaned up completely by whole filter screen inner surface by the combination of axially-movable and rotary motion; Whole cleaning process will continue tens of second.Scum cock 9 cuts out at the end of cleaning, the hydraulic pressure increased can make water filter get back to its initial position, filter starts to prepare next filtration, flushing cycle, in whole cleaning process, the filter work of filtering normally can not be interrupted, and only has the water of 1%-2% to flow out apparatus body by scum cock.
This product structure Functional Design is ingenious, compact conformation, and internal structure meets hydraulics feature, has sweeping appearance, can reduce the current loss of flood peak, reduces energy consumption; Due to the filtering velocity that it has superelevation, make it under the prerequisite of the identical water yield of process, have very little volume compared with the filter of other type, save space.
The connected mode of this product and pipeline is Flange joint, and GB interface is convenient and swift.Volume is little, lightweight, and can be directly installed on pipeline, floor space is little, easy disassembling, and when breaking down, repair and maintenance is more rapid, and flexibility is strong.
Electric cabinet, differential pressure pickup and electric operator that this coordinative composition of equipments is special, and the running status of the data automatic control equipment according to monitoring device is become by PLC, under the prerequisite of non-stop run, realize the series of process processing procedures such as filtration, cleaning, soil pick-up, deslagging voluntarily.
This device passes through to adopt metal mesh filter, without the need to changing filtrate; The process water yield is large, section dirt is effective; Automatic backwash, uninterruptedly to supply water; Equipment volume is little, saving floor space; Quick and easy for installation, be suitable for maintaining; Intelligent fully automatic operation; There are stronger engineer applied and promotion prospect, are conducive to the propagation and employment in market; Be widely used in the middle of all multiprojects such as rainwater catchment system, sanitary sewage disposal, Industrial Wastewater Treatment; also can be applicable to recirculating cooling water system, heat-exchange system, central air conditioner system, central heating system, hot water boiler system etc., be used for protecting cooling device, heat-exchange device, air-conditioner, boiler etc.This equipment is widely applicable, comprises the industries such as municipal administration, industry, building, chemical industry, electric power, metallurgy, rubber, papermaking, light textile, coal, food.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a rain sewage full-automatic filter, the electric cabinet comprising filter body (1) and match with filter body (1), it is characterized in that, described filter body (1) upper end is connected with electro-motor (7), and described filter body (1) inside is provided with screen pack and the cleaning device of loop configuration, the lower end of described filter body (1) and side are respectively equipped with water inlet (4) and delivery port (5), and described filter body (1) side is provided with the differential pressure pickup suitable with screen pack, described differential pressure pickup is connected with electric cabinet by control piper, described filter body (1) upper end is also provided with sewage draining exit (6), described sewage draining exit (6) place is provided with the electromagnetic switch (8) and scum cock (9) that match, wherein, described electromagnetic switch (8), cleaning device and described filter body (1) all with described electric cabinet control connection.
2. rain sewage full-automatic filter according to claim 1, it is characterized in that, described screen pack comprises the first screen pack (2) and is arranged at second screen pack (3) of the first screen pack (2) inner side, described first screen pack (2) is connected with described filter body (1), and described second screen pack (3) is connected with described first screen pack (2).
3. rain sewage full-automatic filter according to claim 2, is characterized in that, the filtering accuracy of described first screen pack (2) is 100 microns.
4. rain sewage full-automatic filter according to claim 2, is characterized in that, the filtering accuracy of described second screen pack (3) is 10 microns.
5. rain sewage full-automatic filter as claimed in any of claims 2 to 4, is characterized in that, described first screen pack (2) and the second screen pack (3) all adopt Stainless steel 316 L material to form.
6. rain sewage full-automatic filter according to claim 1, is characterized in that, is provided with filtration time timer and blowing time timer in described electric cabinet.
7. rain sewage full-automatic filter according to claim 1, is characterized in that, described cleaning device comprises stainless steel cleaning brush (10).
8. rain sewage full-automatic filter according to claim 1, is characterized in that, described water inlet (4) and delivery port (5) place are equipped with the flange arrangement matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674779.0U CN204275631U (en) | 2014-11-13 | 2014-11-13 | A kind of rain sewage full-automatic filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674779.0U CN204275631U (en) | 2014-11-13 | 2014-11-13 | A kind of rain sewage full-automatic filter |
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| CN204275631U true CN204275631U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420674779.0U Active CN204275631U (en) | 2014-11-13 | 2014-11-13 | A kind of rain sewage full-automatic filter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823537A (en) * | 2017-02-10 | 2017-06-13 | 宁夏百辰工业产品设计有限公司 | Backwash filter installs back pressure prevention cancellation element |
| CN107537195A (en) * | 2016-08-31 | 2018-01-05 | 江门市宪诚环保节能设备有限公司 | Sewage automatic filtering unit |
-
2014
- 2014-11-13 CN CN201420674779.0U patent/CN204275631U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107537195A (en) * | 2016-08-31 | 2018-01-05 | 江门市宪诚环保节能设备有限公司 | Sewage automatic filtering unit |
| CN106823537A (en) * | 2017-02-10 | 2017-06-13 | 宁夏百辰工业产品设计有限公司 | Backwash filter installs back pressure prevention cancellation element |
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