CN108379897A - A kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge - Google Patents
A kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge Download PDFInfo
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- CN108379897A CN108379897A CN201810443110.3A CN201810443110A CN108379897A CN 108379897 A CN108379897 A CN 108379897A CN 201810443110 A CN201810443110 A CN 201810443110A CN 108379897 A CN108379897 A CN 108379897A
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- backwash
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- 238000001914 filtration Methods 0.000 title claims abstract description 99
- 238000007599 discharging Methods 0.000 title claims abstract description 56
- 230000029142 excretion Effects 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 238000001727 in vivo Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 30
- 239000012535 impurity Substances 0.000 abstract description 24
- 229910052742 iron Inorganic materials 0.000 abstract description 15
- 238000005202 decontamination Methods 0.000 abstract description 10
- 230000003588 decontaminative effect Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 description 13
- 230000000875 corresponding effect Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 239000000356 contaminant Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012913 prioritisation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
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- 239000008187 granular material Substances 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
A kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge of the present invention discloses one kind being capable of automatic pollution discharge removal of impurities and release,Classified filtering is carried out to impurity in pipeline,And iron particle is adsorbed and is parsed by electromagnet apparatus the backwash pollution discharging filter of excretion,Including pollution discharging filter main body,Bypass channel,Intermediate bulkhead,Filtration channel,Coaxial double plates open and close valve,Screen pipe and filter element,Pollution discharging filter main body is single cylinder,The cylinder is built-in with intermediate bulkhead,And bypass channel and filtration channel will be divided into cylinder,Two groups of coaxially double plates keying valves are provided in the cylinder,The screen pipe is placed on cylinder,And be connected in cylinder,The filtering pipe end is closed using blank flange,It is characterized in that in the screen pipe from Way in export direction,It is provided with the filter element that aperture is gradually reduced,It is simple in structure,It is convenient and practical,It can effectively improve to the decontamination impurity-eliminating effect in liquid conveying pipe.
Description
Technical field
A kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge of the present invention, be related to it is a kind of to liquid conveying pipe into
Row multistage filtering, and it is capable of the backwash pollution discharging filter of automatic pollution discharge, belong to pipe flushing field.More particularly to a kind of energy
Enough automatic pollution discharge removal of impurities and release carry out classified filtering to impurity in pipeline, and are carried out to iron particle by electromagnet apparatus
The backwash pollution discharging filter of absorption and parsing excretion.
Background technology
The especially impurity contents such as the heat distribution pipeline of enclosed circulation, air cooling channel are more in current fluid transport, and
Due to mainly using iron pipe, based on the impurity containing ferro element, old pipe network, old residential area account for mainly the impurity in fluid
Thermic load, pipeline length of service is longer, and internal corrosion is serious, iron rust, iron filings be recycle impurities in water important sources, cleaning
In energy substitution project, small gas boiler, heat pump air conditioner are more and more using the thin of slim pipe diameter in order to improve heat transfer coefficient
Wall refined copper pipe, refined copper pipe are very high to therrmodynamic system water quality requirement, and a small amount of iron tramp can cause copper pipe serious abrasion,
The service life of equipment is reduced, the equipment builds such as existing vortex dirt-remover, Y type dirt separators are larger, the filter hole of filtration members
Aperture is big, and filter effect is bad, and needs artificial judgment dirt to block up state and decontaminate manually, and decontamination removal of impurities needs to open ring flange etc.
Component, it is cumbersome, and existing dirt separator decontamination impurity-eliminating effect and operation are not satisfied by and are wanted to water quality to municipal project
Summation service requirement.
Invention content
In order to improve the above situation, a kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge of the present invention provides one
Kind can automatic pollution discharge removal of impurities and release, classified filtering is carried out to impurity in pipeline, and by electromagnet apparatus to iron particle
Adsorbed and parsed the backwash pollution discharging filter of excretion.It can effectively improve to clean to the decontamination in liquid conveying pipe and imitate
Fruit.
A kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge of the present invention is realized in：
A kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge of the present invention include pollution discharging filter main body, bypass channel,
Intermediate bulkhead, filtration channel, coaxial double plates open and close valve, screen pipe and filter element,
Pollution discharging filter main body is single cylinder, and the cylinder is built-in with intermediate bulkhead, and will be divided into bypass channel in cylinder
And filtration channel, be provided in the cylinder two groups coaxially double plates open and close valves,
The screen pipe is placed on cylinder, and be connected in cylinder, in the screen pipe from Way in export direction, setting
There is the filter element that aperture is gradually reduced；
The filtering pipe end is closed using blank flange；
The cylinder both ends are separately installed with reducer pipe, and end connector is equipped on the reducer pipe；
The bottom end of the blank flange is provided with mudhole, docks a thinner excretory duct, and excretion control is installed on excretory duct and is used
Bleed valve；
The screen pipe can be obliquely or vertically installed on cylinder；
Pipe, semi-circular tube, square tube may be used in the screen pipe；
The filter element is made of coarse filtration orifice plate and thin filter screen；
Observation window or teletransmission camera are equipped on the screen pipe；
The observation window is made of tempered glass that strengthening, diode light-source is installed inside the offside of the observation window, or open
Observation window for light transmission；
The screen pipe and filter element, corresponding blank flange form the dirty chamber of semi-enclosed appearance；
A pair of of conductance electrode is installed, conductance electrode becomes for monitoring the conductivity of water or solution in screen pipe on the screen pipe
Change；
Electromagnet is installed inside the screen pipe and/or on blank flange, for adsorb ferrous contaminants in water or solution or
Little particle iron filings, iron rust；
Described two groups coaxially by one group of entrance, coaxially double plates open and close valves and one group of outlet coaxially double plates keying valve groups to double plates keying valves
At coaxially by valve plate on entrance coaxially double plates keying valves and entrance, coaxially double plates open and close valve lower valve plates to double plates keying valves to the entrance
Composition, coaxial pair of outlet plates open and close valves by exporting the coaxial double plates keying valve upper valves of coaxial double plate keying valve lower valve plates and outlet
Board group at；
The pressure sensor group for carrying out pressure and pressure difference monitoring is provided in the pollution discharging filter main body；
The sensor group is made of at least 3 groups of pressure sensors；
The sensor group by cylinder inlet carry out pressure detecting inlet pressure transducer, to cylinder inner outlet into
The outlet pressure sensor of row pressure detecting and the intermediate pressure sensing to carrying out pressure detecting in cylinder between filter element
Device forms；
Two electric valves execute machines, and by data line and two groups, coaxially double plates open and close valves and are connected respectively, and automatic controller passes through
Data line executes mechanical, electrical conductive electrode with sensor group, bleed valve, electric valve respectively, electromagnet is connected.
Further, as more optimized scheme, the filter element can also use the different holes of two-stage or two-stage or more
The filter plate of diameter, chopped-off head are coarse filtration orifice plate, and two level and filtration grade below use the thin mistake thinner than coarse filtration orifice plate aperture
Strainer, the public screen pipe of filter plate of the multiple different pore size.
Advantageous effect.
One, simple in structure, it is convenient and practical.
Two, the degree of automation is higher, can effectively improve to the decontamination dust removal rate in liquid conveying pipe.
Three, it can effectively improve to the decontamination impurity-eliminating effect in liquid conveying pipe.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the backwash pollution discharging filter of multistage filtering automatic pollution discharge of the present invention.
Fig. 2 is a kind of structural representation of the backwash pollution discharging filter prioritization scheme of multistage filtering automatic pollution discharge of the present invention
Figure.
Structure when Fig. 3 is a kind of backwash pollution discharging filter normal operating condition of multistage filtering automatic pollution discharge of the present invention
Schematic diagram.
Structure when Fig. 4 is a kind of backwash pollution discharging filter backwashing state of multistage filtering automatic pollution discharge of the present invention is shown
It is intended to.
Structure when Fig. 5 is a kind of backwash pollution discharging filter artificial inspecting state of multistage filtering automatic pollution discharge of the present invention
Schematic diagram.
Fig. 6 is that a kind of circular filter pipe general assembly of the backwash pollution discharging filter of multistage filtering automatic pollution discharge of the present invention is half-sectional
Structure chart.
Fig. 7 is a kind of semicircle screen pipe general assembly half of the backwash pollution discharging filter of multistage filtering automatic pollution discharge of the present invention
Cut open structure chart.
Fig. 8 is that a kind of quadratic filter pipe general assembly of the backwash pollution discharging filter of multistage filtering automatic pollution discharge of the present invention is half-sectional
Structure chart.
Fig. 9 is that a kind of structure of the coarse filtration orifice plate of the backwash pollution discharging filter of multistage filtering automatic pollution discharge of the present invention is shown
Meaning face figure.
Figure 10 is that a kind of structure of the thin filter screen of the backwash pollution discharging filter of multistage filtering automatic pollution discharge of the present invention is shown
It is intended to.
Figure 11 is that a kind of strengthening with steel column for the backwash pollution discharging filter of multistage filtering automatic pollution discharge of the present invention is thin
The structural schematic diagram of filter screen.
In attached drawing
Wherein part is：Cylinder（1）, bypass channel（2）, electric valve execution machine（3）, intermediate bulkhead（4）, filtration channel（5）,
Reducer pipe（6）, inlet pressure transducer（7）, end connector（8）, coaxially double plates open and close valve plate on valve to entrance（9）, entrance is coaxially double
Plate opens and closes valve lower valve plate（10）, coarse filtration orifice plate（11）, light source（12）, conductance electrode（13）, coarse filtration pipe（14）, electromagnet
（15）, bleed valve（16）, excretory duct（17）, blank flange（18）, intermediate pressure sensor（19）, observation window（20）, thin to filter
Pipe（21）, thin filter screen（22）, export coaxial double plates and open and close valve lower valve plate（23）, outlet pressure sensor（24）, data line
（25）, export coaxial double plates and open and close valve plate on valve（26）, automatic controller（27）.
Specific implementation mode：
Embodiment 1
A kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge of the present invention includes pollution discharging filter main body, bypass channel
（2）, intermediate bulkhead（4）, filtration channel（5）, coaxial double plates open and close valves, screen pipe and filter element, pollution discharging filter main body and are
Single cylinder（1）, the cylinder（1）It is built-in with intermediate bulkhead（4）, and by cylinder（1）Inside it is divided into bypass channel（2）And filtering
Channel（5）, the cylinder（1）Inside being provided with two groups, coaxially double plates keying valves, the screen pipe are placed in cylinder（1）On, and and cylinder
Body（1）Interior connection, the cylinder（1）Both ends are separately installed with reducer pipe（6）, the reducer pipe（6）On be equipped with end connector（8）,
Described two groups coaxially by one group of entrance, coaxially double plates open and close valves and one group of outlet coaxially double plates keying valve groups to double plates keying valves
At coaxially double plates open and close valve by valve plate on entrance coaxially double plates keying valves to the entrance（9）Coaxially double plates open and close under valve with entrance
Valve plate（10）Composition, the coaxial double plates in outlet open and close valve and open and close valve lower valve plate by exporting coaxial double plates（23）It is coaxial double with outlet
Plate opens and closes valve plate on valve（26）Composition,
The filter element as shown in Figure 1 is by coarse filtration orifice plate（11）With thin filter screen（22）Composition, the screen pipe can incline
Tiltedly or it is vertically arranged to cylinder（1）On, the screen pipe is by coarse filtration pipe（14）With thin screen pipe（21）Composition, the coarse filtration
Pipe（14）Inside be welded in an axial direction be arranged symmetrically for installing coarse filtration orifice plate（11）Slot, the thin screen pipe（21）It is interior
Be welded in an axial direction be arranged symmetrically for installing thin filter screen（22）Slot, coarse filtration orifice plate（11）It is placed in coarse filtration pipe
（14）It is interior, and two are placed in the slot being arranged symmetrically, thin filter screen（22）It is placed in thin screen pipe（21）It is interior, and two are placed on pair
In the slot for claiming arrangement,
The coarse filtration pipe（14）With thin screen pipe（21）It is upper to be equipped with observation window respectively（20）Or teletransmission camera, the observation window
（20）It is made of the tempered glass of reinforcing, in observation window（20）Offside inside install diode light-source（12）, or open and be used for
The observation window of light transmission（20）, the coarse filtration pipe（14）With thin screen pipe（21）Conductance electrode is installed in upper trepanning respectively（13）, electricity
Conductive electrode（13）Change for monitoring the conductivity of water or solution in screen pipe；The coarse filtration pipe（14）With thin screen pipe（21）
Blank flange is respectively adopted in end（18）Closing,
The coarse filtration pipe（14）With thin screen pipe（21）It is internal or in blank flange（18）On be separately installed with electromagnet（15）,
For adsorbing ferrous contaminants or little particle iron filings, iron rust in water or solution, and desorption is powered off when pollution discharging filter blowdown.
The blank flange（18）Bottom end be provided with mudhole, dock a thinner excretory duct（17）, excretory duct（17）
The bleed valve of upper installation excretion control（16）,
The pressure sensor group for carrying out pressure and pressure difference monitoring is provided in the pollution discharging filter main body,
The sensor group is made of at least 3 groups of pressure sensors,
The sensor group is by cylinder（1）Interior inlet carries out the inlet pressure transducer of pressure detecting（7）, to cylinder（1）
The outlet pressure sensor of pressure detecting is carried out at inner outlet（24）With to cylinder（1）It is interior that pressure inspection is carried out between filter element
The intermediate pressure sensor of survey（19）Composition,
Two electric valves execute machine（3）Pass through data line respectively（25）With two groups coaxially double plates open and close valves and be connected, it is automatic to control
Device processed（27）Pass through data line（25）Respectively with sensor group, bleed valve（16）, electric valve execute machine（3）, conductance electrode
（13）, electromagnet（15）It is connected.
The coarse filtration pipe（14）With coarse filtration orifice plate（11）, corresponding blank flange（18）It is dirty to form semi-enclosed appearance
Chamber, the thin screen pipe（21）With thin filter screen（22）, corresponding blank flange（18）The dirty chamber of semi-enclosed appearance is formed,
Embodiment 2
As shown in Fig. 2, the prioritization scheme as the present invention, the filter element can also use the different holes of two-stage or two-stage or more
The filter plate of diameter, chopped-off head are coarse filtration orifice plate（11）, two level and filtration grade below are used than coarse filtration orifice plate（11）Aperture is more
Thin thin filter screen（22）, the public screen pipe of filter plate of the multiple different pore size,
With reference to embodiment and attached drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this.
It is in closed state when coaxial double plates of entry and exit open and close valve plate on valve, when lower valve plate is in open state, stream
Body is from cylinder（1）Filtration channel（5）Pass through, bypass channel（2）It is isolated, the present invention is operating status such as Fig. 3；
Be in open state when the coaxial double plates of entry and exit open and close valve plate on valves, when lower valve plate is closed, fluid from
Cylinder（1）Bypass channel（2）Pass through, filtration channel（5）In not working and being isolated, the present invention is inspecting state,
Such as Fig. 5；It is in open state when coaxial double plates of entrance open and close valve plate on valve, when lower valve plate is closed, outlet
Coaxial double plates when opening and closing the upper and lower valve plates of valve and being in semi-open state, fluid is from cylinder（1）Bypass channel（2）Pass through, filters
Channel（5）Access road be closed, open bleed valve（16）, the present invention is backwashing state such as Fig. 4 at this time；
A kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge of the present invention is realized in：In use, in normal work
When making, the entrance upper valve plate that coaxially double plates open and close valve, the coaxial double plates in outlet open and close valve is closed, and lower valve plate is in through-flow
State, the fluid containing solid impurity in upstream line enter pollution discharging filter cylinder from entrance（1）, and flow by intermediate bulkhead
（4）And cylinder（1）The filtration channel of composition（5）It is interior, first pass through coarse filtration orifice plate（11）, the fluids such as water, solution or gas are from thick
Orifice filter（11）Hole in pass through, the impurity being relatively large in diameter is blocked and lowers into slightly mistake under the washing away of streaming flow
Chimney filter（14）With corresponding blank flange（18）The appearance dirt chamber of composition, flow continue flowing and by thin filter screens（22）, small
Granule foreign is by thin filter screen（22）Stop and lowers into thin screen pipe under the washing away of streaming flow（21）With it is corresponding
Blank flange（18）The appearance dirt chamber of composition, filtered fluid exit into downstream line from filter outlet, when blowdown, two
Blank flange（18）On be mounted on excretory duct（17）, excretory duct（17）On bleed valve is installed（16）, two are held dirty intracavitary peace
The electromagnet of dress（15）The minor diameter iron in the ferrous contaminants under being filtered and the streaming flow that can not be filtered down can be adsorbed
Bits, iron rust, bleed valve（16）When unlatching, electromagnet（15）The all dirt of the dirty intracavitary quilt under the drive of drainage flow is held in power-off
Wash away pollution discharging filter, while pipe decompression, automatic controller（27）Pass through data line（25）Connect conductance electrode（13）, pressure
Force snesor, while controlling electromagnet（15）, entrance electric valve execute machine（3）, according to conductance electrode（13）, pressure sensing
The signal of device group is automatic or by long-range, manually pollution discharging filter is controlled and being adjusted on the spot,
Using pressure sensor group in pollution discharging filter pressure and pressure difference be monitored, the impurity under being filtered in screen pipe
When measuring more, coarse filtration orifice plate（11）, thin filter screen（22）Cross-sectional flow area can by impurity block become smaller, the pressure difference meeting of both sides
It increases, when detecting that pressure difference is excessive, automatic controller（27）Dirty stifled alarm signal is sent out, and it is larger to send out instruction starting differential pressure
Pressure sensor group in two pressure sensors between bleed valve（16）, impurity is drained, when the pressure in pollution discharging filter
When the pressure that force snesor group detects is more than the pressure of default, automatic controller（27）Overpressure alarm signal is sent out,
And it sends out instruction and opens thick, thin screen pipe successively（21）On bleed valve（16）Sluicing pressure release is carried out, and is accompanied with excretion impurity
Effect；
Conductance electrode（13）Electrical conductivity of solution in screen pipe is monitored, after multiple automatic or manual decontamination, is contained when largely
Iron tramp accumulation is when holding dirty intracavitary, conductance electrode（13）The resistance value in screen pipe monitored can reach decontamination electric conductivity value,
Automatic controller（27）Excretion signal is sent out, the excretory duct is opened（17）Bleed valve on flange（16）To drain impurity；
Excretory duct（17）On transparent observation window is installed（20）Or camera, excretory duct（17）Inside is in observation window（20）Or it takes the photograph
As head is nearby equipped with light source（12）, operations staff can be in secondary light source（12）With the help of with the naked eye pass through observation window（20）Or
Camera checks the impurity accumulation for holding dirty intracavitary, can pass through automatic controller（27）Send out blowdown instruction or manually opened excretion
Valve（16）The dirty conductivity of intracavitary or the front and back pressure difference of pollution discharging filter the two poles of the earth filter plate, this two parameter wherein one are held in decontamination
Item data meets blowdown threshold value, automatic controller（27）I.e. to bleed valve（16）Send out open command, use two-stage and two-stage with
On filtering improve filter effect, the thin filter screen of series more at most final filtration grade（22）Or the aperture of coarse filtration plate is got over
It is small, the solid impurity that can be filtered down also just it is smaller, filtered fluid cleanliness is also higher；
Using electromagnet（15）As the adsorbent equipment of subtle ferrous contaminants, electromagnet（15）Magnetic field intensity can be made very
Greatly, when fluid flows through electromagnet（15）When, the ferrous contaminants and subtle iron content particle that filter down will be attracted to electromagnet
（15）On, excretory duct（17）On blowdown valve open when, electromagnet（15）The impurity of absorption is desorbed discharge by power-off simultaneously；
Cylinder（1）Manufacture and material, specification need to make according to the relevant national standard of pressure vessel, according to delivery of filtered fluid
Parameter and suitable pressure-resistant, the heat-resisting, resistant material of chemical property selection.Generally with the material identical of the conveyance conduit to connect i.e.
Can, wall thickness is more than 2 millimeters of pipeline wall thickness or more；
Intermediate bulkhead（4）Select material and cylinder（1）Identical plank, in cylinder（1）Interior welding installation；
Cylinder（1）Size, that is, bypass channel（2）Through filtration channel（5）Cross-sectional area must meet pipe-line system
Flow demand, general cylinder（1）Total cross-section area is equivalent to the cross-sectional area of 2 times of its fluid-transporting tubings docked,
To reduce fluid resistance loss, the wherein bypass channel of pollution discharging filter main body（2）Cross-sectional area docked not less than it
Fluid-transporting tubing cross-sectional area 60%, filtration channel（5）Cross-sectional area not less than conduit cross-sectional area
120%；
Coaxial double plates open and close the principle of start-stop that butterfly valve can be used in valve, and upper and lower two valve plates share same root valve shaft, and upper lower valve plate is
An angle of 90 degrees, coaxial double plates, which open and close valve, can also use double balls floating of ball valve principle of start-stop to open and close valve, and coaxial double plates open and close on valve
Lower two valve plates can also use docking but two valve shafts of strand cable together, i.e. a double valve plates door do not link up and down,
But two electric valves is used to execute machine（3）Or two valve handle operations；
The coarse filtration pipe（14）With thin screen pipe（21）With cylinder（1）Material is identical with diameter or its internal maximum space
Length and cylinder（1）Diameter is identical, and when manufacture can be with cylinder（1）Integrated cold-drawn or hot drawing are formed, and opening weldering can also be used
Form connection, or directly using equal tee directly as pollution discharging filter cylinder（1）, branched pipe is tiltedly opened as filtering
Pipe；
The coarse filtration orifice plate（11）It is made of Thin Stainless Steel steel plate punched, can not be equipped with and strengthen steel column, see Fig. 9.Thin filtering
Net（22）It is made of the establishment of stainless steel steel wire or spot welding, sees Figure 10.Due to thin filter screen（22）Intensity it is relatively low therefore can adopt
It uses steel column to be strengthened as frame and skeleton, sees Figure 11.Strengthen steel column and forged steel making can be used, when fluid is corrosive
Stainless steel making can be used, or the measures anti-corrosion such as make titanizing chromium plating.
The thin filter screen（22）With coarse filtration orifice plate（11）Setting angle need to make thin filter screen（22）With coarse filtration hole
Plate（11）Plane and cylinder（1）Vertical section is vertical, to keep the fluid in pipeline to wash away filter element obliquely；
The coarse filtration pipe（14）With thin screen pipe（21）Blank flange is respectively adopted in end（18）Closing, detachable rear artificial hand
The coarse filtration orifice plate scrapped is replaced in dynamic decontamination（11）, thin filter screen（22）With reinforcing steel column；
The coarse filtration pipe（14）With coarse filtration orifice plate（11）, corresponding blank flange（18）Form the dirty chamber of semi-enclosed appearance, institute
State thin screen pipe（21）With thin filter screen（22）, corresponding blank flange（18）Form the dirty chamber of semi-enclosed appearance；
Due to the impurity in metallic conduit based on metal fragment, metal oxide clast, weld bond welding slag and be benign conductor,
Therefore when the dirty intracavitary impurity of appearance is largely accumulated, the overall conductivity for holding dirty intracavitary will appear decline,
The automatic controller（27）The accumulation situation for holding dirty intracavitary impurity can be extrapolated according to the variation of conductivity, when reaching
When default parameters sewage, automatic controller（27）Each electrically operated valve for controlling dirt separator completes automatic pollution discharge action；
Open bleed valve（16）It can be achieved not dismantle blank flange（18）It is decontaminated；The bleed valve（16）Valve body can be used it is close
The preferable ball valve of closing property, and the excretory duct when one manual normally opened ball valve of upstream tandem is overhauled for electrical ball valve（17）It closes
It is disconnected to use；
The automatic controller（27）By acquiring conductance electrode（13）, pressure sensor group signal to miscellaneous in pollution discharging filter
Matter storage is monitored, and when reaching pollution emission standard or system overpressure, machine is executed to electric valve（3）, bleed valve（16）Hair
It send corresponding action to instruct, complete the automatic pollution discharge of pollution discharging filter, backwash, pressure release and resets valve function.
Reach and multistage filtering is carried out to liquid conveying pipe, and is capable of the purpose of automatic pollution discharge.
Claims (10)
1. a kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge, including pollution discharging filter main body, bypass channel, centre
Partition board, filtration channel, coaxial double plates open and close valve, screen pipe and filter element, and pollution discharging filter main body is single cylinder, the cylinder
Be equipped with intermediate bulkhead in vivo, and bypass channel and filtration channel will be divided into cylinder, be provided in the cylinder two groups it is coaxial
Double plates open and close valves, and the screen pipe is placed on cylinder, and be connected in cylinder, the filtering pipe end is using blank flange envelope
It closes, it is characterised in that in the screen pipe from Way in export direction, be provided with the filter element that aperture is gradually reduced.
2. a kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge according to claim 1, it is characterised in that institute
It states filter element to be made of coarse filtration orifice plate and thin filter screen, the screen pipe is made of coarse filtration pipe and thin screen pipe, described
Be welded in an axial direction in coarse filtration pipe be arranged symmetrically for installing the slot of coarse filtration orifice plate, in the thin screen pipe in an axial direction
Be welded be arranged symmetrically for installing the slot of thin filter screen, coarse filtration orifice plate is placed in coarse filtration pipe, and two are placed on pair
In the slot for claiming arrangement, thin filter screen is placed in thin screen pipe, and two are placed in the slot being arranged symmetrically.
3. a kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge according to claim 1, it is characterised in that institute
Filter element is stated using two-stage or the filter plate of the above different pore size of two-stage, chopped-off head is coarse filtration orifice plate, two level and mistake below
It filters grade and uses the thin filter screen thinner than coarse filtration orifice plate aperture, the public filtering of filter plate of the multiple different pore size
Pipe.
4. special according to a kind of backwash pollution discharging filter of any multistage filtering automatic pollution discharge in claim 1-3
It levies and is to be equipped with observation window or teletransmission camera on the screen pipe, a pair of of conductance electrode is installed on the screen pipe.
5. a kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge according to claim 4, it is characterised in that institute
Stating screen pipe can obliquely or vertically be installed on cylinder, and the screen pipe may be used arbitrary in pipe, semi-circular tube, square tube
It is a kind of.
6. a kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge according to claim 5, it is characterised in that institute
It states inside screen pipe and/or electromagnet is installed on blank flange.
7. a kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge according to claim 1, it is characterised in that institute
The bottom end for stating blank flange is provided with mudhole, docks a thinner excretory duct, the excretion of excretion control is installed on excretory duct
Valve.
8. a kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge according to claim 4, it is characterised in that institute
It states observation window to be made of tempered glass that strengthening, diode light-source is installed inside the offside of the observation window, or open for saturating
The observation window of light.
9. a kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge according to claim 1, it is characterised in that institute
Stating two groups, coaxially by one group of entrance, coaxially coaxially double plates open and close valve groups at described to double plates keying valves for double plates keying valves and one group of outlet
Coaxially by valve plate on entrance coaxially double plates keying valves and entrance, coaxially double plates keying valve lower valve plates form double plates keying valves entrance, institute
State the coaxial double plates in outlet open and close valves by export coaxial double plates open and close the coaxial double plates of valve lower valve plates and outlet open and close valve upper valve board groups at,
Described two electric valves execute machines, and by data line and two groups, coaxially double plates open and close valves and are connected respectively.
10. a kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge according to claim 1, it is characterised in that institute
The pressure sensor group for being provided in pollution discharging filter main body and carrying out pressure and pressure difference monitoring is stated, the sensor group is by cylinder
Interior inlet carries out the inlet pressure transducer of pressure detecting, is sensed to the outlet pressure for carrying out pressure detecting at cylinder inner outlet
Device and the intermediate pressure sensor composition to carrying out pressure detecting in cylinder between filter element, automatic controller pass through data
Line executes mechanical, electrical conductive electrode with sensor group, bleed valve, electric valve respectively, electromagnet is connected.
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|---|---|---|---|
| CN201810443110.3A CN108379897A (en) | 2018-05-10 | 2018-05-10 | A kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810443110.3A CN108379897A (en) | 2018-05-10 | 2018-05-10 | A kind of backwash pollution discharging filter of multistage filtering automatic pollution discharge |
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| CN108379897A true CN108379897A (en) | 2018-08-10 |
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ID=63071572
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109011781A (en) * | 2018-09-11 | 2018-12-18 | 大庆丹枫石油技术开发有限公司 | Pressure limiting classified filtering device can be backwashed |
| CN109224606A (en) * | 2018-11-02 | 2019-01-18 | 温彦宏 | A kind of agricultural irrigation automatic back-flushing filtering device |
| CN110585788A (en) * | 2019-09-25 | 2019-12-20 | 安徽万磁电子有限公司 | Filtration and recovery device and filtration and recovery method for magnetic material processing waste liquid |
| CN111249790A (en) * | 2020-02-28 | 2020-06-09 | 北京科技大学 | Air-water shared filtering device for underground dry fog dust suppression equipment |
| CN111643940A (en) * | 2020-05-20 | 2020-09-11 | 中车山东机车车辆有限公司 | Dirt box assembly for tunnel cleaning vehicle and tunnel cleaning vehicle |
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| CN111643940B (en) * | 2020-05-20 | 2022-06-21 | 中车山东机车车辆有限公司 | Dirt box assembly for tunnel cleaning vehicle and tunnel cleaning vehicle |
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