CN101496970A - On-line bidirectional automatic backwashing type filtering equipment - Google Patents
On-line bidirectional automatic backwashing type filtering equipment Download PDFInfo
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- CN101496970A CN101496970A CNA2009100606646A CN200910060664A CN101496970A CN 101496970 A CN101496970 A CN 101496970A CN A2009100606646 A CNA2009100606646 A CN A2009100606646A CN 200910060664 A CN200910060664 A CN 200910060664A CN 101496970 A CN101496970 A CN 101496970A
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Abstract
The invention relates to a sewage filtration on-line bidirectional automatic back flushing type filter device, which belongs to the technical field of sewage filter device. The filter device comprises a filter, a water inlet pipe, a water outlet pipe, a sewage drain pipe, an electric change valve, a control device, and the like. The upper part and the lower part on one side of the filter are connected with the sewage drain pipe; the upper part and the lower part one the other side of the filer are both communicated with the water inlet pipe and the water outlet pipe; and the control device is connected with a control interface of the electric change valve through control cables respectively. The filter device adopts bidirectional water injection and alternate work, can automatically adjust and control the filtration time and can be converted into a backward working mode after carrying out back flushing through differential pressure setting and flow rate monitoring and timing. The alternate forward and backward bidirectional filtration ensures the continuity of the water injection. The filter core of the filter has the working space divided into two cavities, a great sewage containing capacity and a long service life, and can work continuously in a 10MPa to 25MPa high pressure environment. The filter is suitable for the sewage treatment in the oilfields and other fields.
Description
Technical field:
The present invention relates to the online bidirectional automatic backwashing type filtering equipment of a kind of sewage water filtration, belong to the online douching technique of sewage filter device field.
Background technology:
Along with people to the improving constantly of environmental protection consciousness, the filtration and the discharging of sewage also proposed new requirement, especially the sewage disposal of some special dimension or industry being required can be higher.As the oil field development field, hyposmosis is newly verified by China and the extra-low permeability reserves account for about 70% of gross reserves, low permeability oil field requires to carry out fine processing to injection water quality, otherwise oil layer pollution, formation blockage can take place, directly have influence on effect of reservoir development, with regard to water filling generally speaking, whole injection water qualities are carried out fine processing according to low permeability oil field to the requirement of injection water quality, drop into too big, water filling causes secondary pollution after need carrying through long-distance pipe in addition, and water quality also is difficult to satisfy the water filling needs of low permeability oil field.For this reason, adopting the well head high pressure filter to filter directly water filling of back, can reduce equipment investment, reduce cost for oil production, increase crude output, is the important measures of a reduced investment, instant effect.
Disposing polluted water in oil mainly is that the suspension in the water, wet goods many index are carried out strictness control, prevents that it from producing injury to the stratum.Now general each oil recovery factory, oil field all has one or more Sewage Disposal, the return water index is between A1-C3, require to handle according to the stratum, and in fact the oil recovery factory does not really reach this requirement, and its reason is because re-injection water causes (contain that a large amount of ferro elements, machine are assorted, bacterium, suspension etc.) secondary pollution after need carrying through long-distance pipe.In addition whole injection water qualities are carried out fine processing according to low permeability oil field to the requirement of injection water quality, then need spend the old equipment of extensive fund transformation and improve filtering accuracy, generally do not wait at several ten million yuan.Address this problem, must have an end-filtration device to finish the sewage discharge index, each oil recovery factory has also taked many methods to experimentize, and is all unsatisfactory at last.Its key issue is can not clean automatically after the plugged filter of filter, causes filter discharge pressure step-down, has a strong impact on flood effectiveness, even can't water filling.And all filters adopt all the time a direction be effluent stream to filtration, sewage can not reversely filter, and causes the obstruction of filter to be accelerated, and shortened the service life of filter.Clean not only time-consuming taking a lot of work by the manual filter that takes out in addition, and can not guarantee the continuity of water filling work, increased the cost of winning in oil field significantly.
Summary of the invention:
The objective of the invention is to, provide a kind of filtration course of work to adopt two-way water filling alternation, can auto-control filtration time, regularly carry out backwash by level pressure difference and traffic monitoring after, be converted to the reverse operation pattern, the circulation switch mode of the work that so hockets; Both increase the service life of filter core, guaranteed the continuity of on-the-spot water filling work again; Can solve the re-injection problem up to standard of disposing polluted water in oil, can be applicable to that again other field and industry carry out the online bidirectional automatic backwashing type filtering equipment of sewage disposal.
The present invention realizes above-mentioned purpose by following technical solution:
A kind of online bidirectional automatic backwashing type filtering equipment, it is made of filter, water inlet pipe, outlet pipe, blow-off pipe, tube connector, electronic change-over valve A, electronic change-over valve B, electronic change-over valve C, electronic change-over valve D, electronic change-over valve E, electronic change-over valve F and control device, it is characterized in that: the upper and lower of filter one side is connected blow-off pipe by tube connector, electronic change-over valve F with electronic change-over valve E; The top of filter opposite side is connected water inlet pipe by tube connector with electronic change-over valve B, is connected outlet pipe by tube connector with electronic change-over valve D; The bottom of this side is connected water inlet pipe by tube connector with electronic change-over valve A, is connected outlet pipe by tube connector with electronic change-over valve C; Control device is connected with the control interface of electronic change-over valve A, electronic change-over valve B, electronic change-over valve C, electronic change-over valve D, electronic change-over valve E and electronic change-over valve F respectively by the control cable.
Described filter is made of filter housing and filter core, and filter core is fixed in the filter by sloped footing and top locking cap, supports in the main filter bed of filter core is fixed on, and the filter core outer jointing jacket is equipped with in the outside of main filter bed.Be evenly equipped with perforation on the described filter core outer jointing jacket.Be shaped on inside support ring on the interior inner chamber that supports.
The present invention's beneficial effect compared with prior art is:
1, the filter element of this filter is divided into two chambeies with working space, can make full use of filter space, dwindles the volume of filter, and can also improve the dirty ability of appearance of filter.
2, two-way filter core adopts the vacuum-sintering of multilayer stainless steel cloth to form, positive and negative two way alternate filtration work, and nothing hardens, and guarantees to have good penetrability in filter core service life, filter core, intensity height, corrosion resistance are strong, be easy to characteristics such as flushing and backwash.
3, double-current wheeled automatic reverse washing and filtering, when filter core began blockage phenomenon, automatic reverse was filtered, the entire work process two-way alternate operation.Promptly increase the service life of filter core, guaranteed the continuity of work again.
4, this filter adopts the power supply unmanned, can realize work automatically, and according to the time of presetting setting, pressure reduction or flow, the energy auto-control filters, backwashing time, energy-conserving and environment-protective.Realized automation, serialization, high accuracy is filtered.
5, the energy continuous firing can be applicable to the sewage disposal of various fields and industry-by-industry in the hyperbaric environment of 10Mpa-25MPa.
Description of drawings:
Fig. 1 is the structural representation of online bidirectional automatic backwashing type filtering equipment,
Fig. 2 is the structural representation of filter core.
Among the figure: 1, filter, 2, water inlet pipe, 3, outlet pipe; 4, blow-off pipe, 5, tube connector, 6, electronic change-over valve A; 7, electronic change-over valve B, 8, electronic change-over valve C, 9, electronic change-over valve D; 10, electronic change-over valve E, 11, electronic change-over valve F, 12, filter housing; 13, filter core; 14, filter core outer jointing jacket, 15, main filter bed, 16, interior support; 17, inside support ring; 18, sloped footing, 19, the top locking cap, 20, control device; 21, water inlet; 22, delivery port, 23, sewage draining exit, 24, the control cable.
The specific embodiment:
This online bidirectional automatic backwashing type filtering equipment is made of filter 1, water inlet pipe 2, outlet pipe 3, blow-off pipe 4, tube connector 5, electronic change-over valve A6, electronic change-over valve B7, electronic change-over valve C8, electronic change-over valve D9, electronic change-over valve E10, electronic change-over valve F11 and control device 20.The upper and lower of filter 1 one sides is connected with blow-off pipe 4 with electronic change-over valve E10 by tube connector 5, electronic change-over valve F11.The top of filter 1 opposite side is connected with water inlet pipe 5 with electronic change-over valve B7 by tube connector 5, and is connected with outlet pipe 3 with electronic change-over valve D9 by tube connector 5; The bottom of filter 1 this side is connected with water inlet pipe 5 with electronic change-over valve A6 by tube connector 5, and is connected with outlet pipe 3 with electronic change-over valve C8 by tube connector 5.Control device 20 is connected (referring to accompanying drawing 1) with the control interface of electronic change-over valve A6, electronic change-over valve B7, electronic change-over valve C8, electronic change-over valve D9, electronic change-over valve E10 and electronic change-over valve F11 respectively by control cable 24.
Described filter 1 is made of filter housing 12 and filter core 13, filter core 13 is fixed in the cylindrical shell of filter 1 by the sloped footing 18 of seat portion and the top locking cap 19 at top, and the working space of the inner barrel of filter is divided into inside and outside two chambers, electronic change-over valve E10, electronic change-over valve A6 and electronic change-over valve C8 are in the bottom and the outer chamber UNICOM of filter 1; Electronic change-over valve F11, electronic change-over valve B7 and electronic change-over valve D9 pass through port and the UNICOM of inner cavity chamber on the top locking cap 19 on the top of filter 1.Filter core 13 is made of filter core outer jointing jacket 14, main filter bed 15, interior support 16, inside support ring 17, sloped footing 18 and top locking cap 19, supports on 16 in main filter bed 15 is fixed on, and filter core outer jointing jacket 14 is equipped with in the outside of main filter bed 15.Be evenly equipped with several perforation on the filter core outer jointing jacket 14.Be shaped on inside support ring 17 (referring to accompanying drawing 2) on the inner chamber of interior support 16.
The operation principle and the course of work of this online bidirectional automatic backwashing type filtering equipment are as follows:
1, forward filter:
Open electronic change-over valve A6 and electronic change-over valve D9 by control device 20, make sewage to be filtered enter water inlet pipe 2 through water inlet 21, the outer chamber that enters filter 1 through tube connector 5 and electronic change-over valve A6 again entering inner cavity chamber after filtering through filter core 13.Clean water after the filtration flows out from the upper opening of filter 1, through tube connector 5 and electronic change-over valve D9, enters outlet pipe 3, and clean water is discharged from delivery port 22.And the impurity in the sewage is blocked the outer surface that accumulates in filter core, stays in the outer chamber of filter core 13 and filter 1 formation.
2, forward filter backwash:
When forward filter after a period of time, the outer surface that impurity in the filter 1 accumulates in filter core 13 causes that the water inlet 21 and the pressure reduction of delivery port 22 increase to setting value, general setting value (also can be by the timer setting-up time of control device 20, when reaching preset time for 0.1MPa; Also can reach when presetting flow value by the detected flow value of the flowmeter of control device 20 on being contained in outlet pipe; ), control device 20 sends signal, drive electronic changement, make electronic reversal valve commutation, that is: close electronic change-over valve A6 and electronic change-over valve D9, open electronic change-over valve B7 and electronic change-over valve E10, after then the sewage of water inlet pipe 2 enters the inner cavity chamber of filter core 13 by electronic change-over valve B7 and tube connector 5, flow into outer chamber again, the outer surface of filter core 13 is carried out backwash, the impurity that will be attached to filter core 13 outer surfaces dashes and takes off.These are dashed electronic change-over valve E10 and the tube connector 5 of impurity by opening that takes off, and enter blow-off pipe 4 and discharge through sewage draining exit 23.
3, reverse filtration:
(according to designing requirement, the time can be set up on their own by control device 20) after about ten minutes carried out in the forward filter backwash, and the impurity that is attached to filter core 13 outer surfaces is dashed to be taken off.Control device 20 sends signal, drives electronic changement, makes electronic reversal valve commutation, that is: close electronic change-over valve E10, open electronic change-over valve C8, water to be filtered flows to outer chamber by filter core 13 inner cavity chamber, 13 pairs of sewage of filter core filter, promptly reverse filtration.Clean water after the reverse filtration enters outlet pipe 3 by tube connector 5, electronic change-over valve C8, and clean water is discharged from delivery port 22.And the impurity in the sewage to be filtered is tackled the inner cavity chamber surface that accumulates in filter core 13 by the reverse back of filtering.
4, reverse filtration backwash:
After reverse filtration a period of time, the inner surface that impurity in the filter 1 accumulates in filter core 13 causes that the water inlet 21 and the pressure reduction of delivery port 22 increase to setting value, general setting value is 0.1MPa, (also can be by the timer setting-up time of control device 20, when reaching preset time; Also can reach when presetting flow value by the detected flow value of the flowmeter of control device 20 on being contained in outlet pipe; ), control device 20 sends signal, drive electronic changement, make electronic reversal valve commutation, that is: close electronic change-over valve B7 and electronic change-over valve E10, open electronic change-over valve A6 and electronic change-over valve F11, after then the water to be filtered of water inlet pipe 2 enters the outer chamber of filter core 13 by tube connector 5 and electronic change-over valve A6, flow into inner cavity chamber again, the inner surface of filter core 13 is carried out backwash, the impurity that will be attached to filter core 13 inner surfaces dashes and takes off.These are dashed electronic change-over valve F11 and the tube connector 5 of impurity by opening that takes off, and enter blow-off pipe 4 and discharge through sewage draining exit 23.
So far, this online bidirectional automatic backwashing type filtering equipment is finished a working cycles, that is: forward filter, forward filter backwash, the working cycles of reverse filtration and reverse filtration backwash.
Reverse filtration backwash carry out after after about ten minutes (according to designing requirement, time can be set up on their own by control device 20), control device 20 sends signal, drive electronic changement, make electronic reversal valve commutation: close electronic change-over valve F11, open electronic change-over valve D9, make sewage to be filtered enter water inlet pipe 2 through water inlet 21, the outer chamber that enters filter 1 through tube connector 5 and electronic change-over valve A6 again, through entering inner cavity chamber after filter core 13 filtrations, promptly return the forward filter state.Clean water after the filtration flows out from the upper opening of filter 1, through tube connector 5 and electronic change-over valve D9, enters outlet pipe 3, and clean water is flowed out from delivery port 22.So filter begins next forward filter again, forward filter backwash, the working cycles of reverse filtration and reverse filtration backwash.
Claims (4)
1, a kind of online bidirectional automatic backwashing type filtering equipment, it is made of filter (1), water inlet pipe (2), outlet pipe (3), blow-off pipe (4), tube connector (5), electronic change-over valve A (6), electronic change-over valve B (7), electronic change-over valve C (8), electronic change-over valve D (9), electronic change-over valve E (10), electronic change-over valve F (11) and control device (20), it is characterized in that: the upper and lower of filter (1) one side is connected blow-off pipe (4) by electronic change-over valve F (11) with electronic change-over valve E (10); The top of filter (1) opposite side connects water inlet pipe (2) by electronic change-over valve B (7), is connected outlet pipe (3) by tube connector (5) with electronic change-over valve D (9); The bottom of this side connects water inlet pipe (2) by electronic change-over valve A (6), is connected outlet pipe (3) by tube connector (5) with electronic change-over valve C (8); Control device (20) is connected with the control interface of electronic change-over valve A (6), electronic change-over valve B (7), electronic change-over valve C (8), electronic change-over valve D (9), electronic change-over valve E (10) and electronic change-over valve F (11) respectively by control cable (24).
2, online bidirectional automatic backwashing type filtering equipment according to claim 1; it is characterized in that: described filter (1) is made of filter housing (12) and filter core (13); filter core (13) is fixed in the filter (1) by sloped footing (18) and top locking cap (19); the main filter bed (15) of filter core (13) is fixed in the interior support (16), and filter core outer jointing jacket (14) is equipped with in the outside of main filter bed (15).
3, online bidirectional automatic backwashing type filtering equipment according to claim 2 is characterized in that: be evenly equipped with perforation on the described filter core outer jointing jacket (14).
4, online bidirectional automatic backwashing type filtering equipment according to claim 2 is characterized in that: be shaped on inside support ring (17) on the inner chamber of interior support (16).
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CNA2009100606646A CN101496970A (en) | 2009-01-23 | 2009-01-23 | On-line bidirectional automatic backwashing type filtering equipment |
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CNA2009100606646A CN101496970A (en) | 2009-01-23 | 2009-01-23 | On-line bidirectional automatic backwashing type filtering equipment |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102166449A (en) * | 2011-03-17 | 2011-08-31 | 北京科净源科技股份有限公司 | Water treatment device with constant resistance regulation and control function and water treatment method thereof |
CN103372340A (en) * | 2012-04-17 | 2013-10-30 | 3M创新有限公司 | Back-flush-type water filter |
CN104083921A (en) * | 2014-07-22 | 2014-10-08 | 长治市永华机械有限公司 | Emulsion filter used under mine |
CN107551646A (en) * | 2017-10-19 | 2018-01-09 | 陈英傲 | Anti-leakage type intelligence backwash filter and control method |
CN108379912A (en) * | 2018-03-05 | 2018-08-10 | 上海应用技术大学 | A kind of portable dirt sucking device |
CN109550296A (en) * | 2018-12-11 | 2019-04-02 | 徐州华显凯星信息科技有限公司 | A kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism |
CN112892058A (en) * | 2021-01-22 | 2021-06-04 | 张华� | Polycarboxylate water reducing agent preparation system of processing |
CN114405110A (en) * | 2021-12-16 | 2022-04-29 | 大连元利流体技术有限公司 | Intelligent backwash filter control system |
-
2009
- 2009-01-23 CN CNA2009100606646A patent/CN101496970A/en active Pending
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102166449A (en) * | 2011-03-17 | 2011-08-31 | 北京科净源科技股份有限公司 | Water treatment device with constant resistance regulation and control function and water treatment method thereof |
CN102166449B (en) * | 2011-03-17 | 2012-12-05 | 北京科净源科技股份有限公司 | Water treatment device with constant resistance regulation and control function and water treatment method thereof |
CN103372340A (en) * | 2012-04-17 | 2013-10-30 | 3M创新有限公司 | Back-flush-type water filter |
CN103372340B (en) * | 2012-04-17 | 2016-01-13 | 3M创新有限公司 | Back-flush-type water filter |
CN104083921A (en) * | 2014-07-22 | 2014-10-08 | 长治市永华机械有限公司 | Emulsion filter used under mine |
CN104083921B (en) * | 2014-07-22 | 2015-11-04 | 长治市永华机械有限公司 | For the emulsion filter under ore deposit |
CN107551646A (en) * | 2017-10-19 | 2018-01-09 | 陈英傲 | Anti-leakage type intelligence backwash filter and control method |
CN108379912A (en) * | 2018-03-05 | 2018-08-10 | 上海应用技术大学 | A kind of portable dirt sucking device |
CN108379912B (en) * | 2018-03-05 | 2020-07-28 | 上海应用技术大学 | Portable dirt suction device |
CN109550296A (en) * | 2018-12-11 | 2019-04-02 | 徐州华显凯星信息科技有限公司 | A kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism |
CN112892058A (en) * | 2021-01-22 | 2021-06-04 | 张华� | Polycarboxylate water reducing agent preparation system of processing |
CN112892058B (en) * | 2021-01-22 | 2022-04-26 | 山东汶河新材料有限公司 | Polycarboxylate water reducing agent preparation system of processing |
CN114405110A (en) * | 2021-12-16 | 2022-04-29 | 大连元利流体技术有限公司 | Intelligent backwash filter control system |
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Open date: 20090805 |