CN105833588A - Backwashing device of filter - Google Patents
Backwashing device of filter Download PDFInfo
- Publication number
- CN105833588A CN105833588A CN201610373369.6A CN201610373369A CN105833588A CN 105833588 A CN105833588 A CN 105833588A CN 201610373369 A CN201610373369 A CN 201610373369A CN 105833588 A CN105833588 A CN 105833588A
- Authority
- CN
- China
- Prior art keywords
- filter
- water inlet
- skeleton
- disk
- sealing ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000011001 backwashing Methods 0.000 title abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 238000007789 sealing Methods 0.000 claims description 45
- 238000010926 purge Methods 0.000 claims description 14
- 230000002459 sustained effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 abstract description 14
- 239000012535 impurity Substances 0.000 abstract description 13
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
-
- 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
Abstract
The invention provides a backwashing device of a filter. The backwashing device comprises a backwashing head which sleeves the upper end of a framework to enable the framework to slide up and down along the backwashing head. The upper end of the framework is provided with a plurality of first water inlets at the same height, the framework is further provided with a disk extending outwards, the upper end of the backwashing head is provided with a plurality of second water inlets at the same height, the lower end of the backwashing head is provided with a protruding annular cover, and the cover sleeves the outside of the disk and can be in seamless contact with the outer side of the disk. The upper end face of the cover is provided with a plurality of third water inlets, the lower end of the backwashing head is provided with a plurality of strip-shaped clamping plates, the disk is provided with a plurality of clamping holes for the clamping plates to be inserted, and one position of each water inlet is further provided with a small filter screen. The small filter screens are arranged, so that impurities can be isolated outside the framework during the backwashing, and the problem that the impurities are flushed into a filtering rear-end water channel to lead to secondary pollution is solved.
Description
Technical field
The invention belongs to filter technology field, relate to the back purge system of a kind of filter.
Background technology
Filter is when filtering, and the little granule of impurity easily blocks the filter opening of drainage screen, for this
Need cleaned filter screen.
The utility model patent CN201420630652.9 announced such as China, announces a kind of anti-
Rinsing fore filter, including backwash valve, described backwash valve is provided with horizontal direction and opens
The water inlet port of mouth and water outlet port, this backwash valve upper end offers backwash valve body end
Mouthful, this backwash valve body port is sequentially arranged with backwash spool, recoil
Wash valve seals, backwash valve body top cover and backwash knob；This backwash valve lower end is even
It is connected to filtration barrel body, in described filtration barrel body, filter element is installed；Described filtration barrel body lower end
Connect and have blowdown valve body.
The patent application file that and for example China announces, application number: 201510873259.1,
Announce a kind of fore filter, be followed successively by connecting portion, filter house, blowoff valve from top to bottom,
The side of described connecting portion arranges active water water inlet, and corresponding opposite side sets
Being equipped with drainage outlet, the port, bottom of described connecting portion is provided with filter house
With the filter element interface of filter house interface concentric in interface and bottom, described filter house
Being followed successively by filter house overcoat, filter element and scraping and brushing apparatus from outside to inside, scraping and brushing apparatus one end is solid
Be scheduled in filter element interface and entirety be in filter element, filter element one end be enclosed within filter element interface outer and
While rotating blowoff valve, drive the unitary rotation of filter element, form screen surface and scrape
The relative wiper motion of brush device, reaches to remove the impurity purpose of screen surface.
Above-mentioned two patent is all band backwashing function, but does not all have backwash special
Filter screen, when changing water route backwash, easily there being impurity to pour filtration rear end in pipeline
Water route, causes secondary pollution.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of
The back purge system of filter, can by the impurity back flush in drainage screen out reach
The purpose of cleaned filter screen.
The purpose of the present invention can be realized by following technical proposal: a kind of filter anti-
Flusher, filter includes filter flask and the skeleton cylindrically being arranged in filter flask,
Skeleton periphery is provided with drainage screen, it is characterised in that this back purge system includes being enclosed within skeleton
Upper end makes the backwash head that skeleton can slide up and down along it, and the upper end of skeleton is at same height
Degree has several water inlets one, and skeleton also has outward extending disk, backwash
The upper end of head has several water inlets two at sustained height, and backwash head lower end has prominent
The cap of the annular gone out, cap is enclosed within outside disk and can seamless with outside disk contact, cover
Cap upper surface has some water inlets three, and backwash head lower end is provided with the card of some strips
Plate, disk has some for clamp insert hole clipping, when skeleton moves down, described in enter
The mouth of a river one can be backwashed head closure, and described water inlet two can be blocked by skeleton；Work as skeleton
Upper when moving, described water inlet one connects with water inlet two, and cap is seamless with disk contacts,
It is additionally provided with little filter screen at described water inlet one.
When filter is in normal filtration state, backwash head moves on to certain altitude, this
Time, water inlet one is backwashed head closure, and water inlet two is blocked by skeleton, and water can only be from
Water inlet three enters and now disk and cap contact, so water can enter into
In filter flask, then enter in skeleton from drainage screen, then flow out from skeleton upper port, complete
Filtration operation.When drainage screen needs to clean, backwash head moves down, and makes water inlet one and enters
The mouth of a river two is the most right, and cap is enclosed within that disk is outer and seamless with disk to be contacted, and described water cannot
Entering in filter flask from water inlet three, water enters in skeleton from water inlet one and water inlet two,
Then entering into filter flask from drainage screen, the impurity in drainage screen filter opening is along with reverse flow
Return in filter flask together, then discharge from filter flask bottom blow-down mouth.Clamp is always positioned at hole clipping
In, prevent backwash head from rotating and causing water inlet one not line up with water inlet two.Little filter
Net is possible to prevent the impurity when backwash to enter in skeleton from water inlet one.
Further, skeleton upper end has the groove of annular, is provided with sealing ring on the upside of groove
One, it is provided with sealing ring two on the downside of groove, backwash head is moving rearward recess with water inlet two just
Right.Sealing ring one and sealing ring two fit are used for blocking water inlet two.
Further, described water inlet one is cased with the sealing ring three of annular, sealing ring
Two upsides being positioned at water inlet one.Sealing ring two and sealing ring three are used for blocking water inlet one
Both sides up and down, prevent water from flowing between filter flask and drainage screen from water inlet about one both sides
Space in.
Further, water inlet one is identical with water inlet two quantity, and position is identical.Water inlet
Mouthful one and water inlet two quantity and position all one_to_one corresponding.
Further, described water inlet one has four and circumference is uniform.
Further, the outside of described disk is cased with sealing ring four, and sealing ring four can be with cover
Lean inside cap.Sealing ring four increases sealing effectiveness when disk contacts with cap.
Further, disk has the step of annular, inside cap, be provided with annular
Baffle ring, baffle ring when backwash head moves down with the leaning of step, clamp is positioned at baffle ring
Side, water inlet two is positioned at outside baffle ring.When disk and cap are in close contact, step with
Baffle ring is also in close contact, and when preventing backwash, the sewage in filter flask flows out from hole clipping.
Further, outside step, it is cased with sealing ring five, phase inside sealing ring five and baffle ring
Against.Sealing ring five increases sealing effectiveness when step contacts with baffle ring.
Compared with prior art, the back purge system of this filter is simple to operate, only need to lead to
Crossing external force drives skeleton to move up and down, and just can reach to filter the switching with backwash.Pass through
Changing the flow path of water, making water is to flow in skeleton from drainage screen when filtering,
It is to flow to drainage screen in skeleton during backwash, can effectively make to be attached to drainage screen wall
Coming off discharge with the impurity in filter opening, flushing process, without configuring power, exempts from dismounting or more
Change drainage screen, little filter screen be set, can when backwash impurities outside skeleton,
Prevent impurity from pouring filtration water route, rear end, cause secondary pollution.
Accompanying drawing explanation
Fig. 1 is the back purge system structural representation in backwash state of this filter.
Fig. 2 is the structural representation of this filter normal filtration state.
Fig. 3 is the cooperation schematic diagram of the backwash state that is in of skeleton and backwash head.
Fig. 4 is the cooperation at another visual angle being in backwash state of skeleton and backwash head
Schematic diagram.
Fig. 5 is the cooperation schematic diagram that skeleton and backwash head are in normal filtration state.
Fig. 6 is the structural representation of backwash head.
Fig. 7 is the structural representation of skeleton.
In figure 1, filter flask；2, skeleton；3, drainage screen；4, backwash head；5, enter
The mouth of a river one；6, disk；7, water inlet two；8, cap；9, water inlet three；10、
Clamp；11, hole clipping；12, groove；13, sealing ring one；14, sealing ring two；15、
Sealing ring three；16, sealing ring four；17, step；18, baffle ring；19, sealing ring five；
20, little filter screen.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention
Case is further described, but the present invention is not limited to these embodiments.
As it is shown in figure 1, filter include filter flask 1 and be arranged in filter flask 1 in cylinder
The skeleton 2 of shape, skeleton 2 periphery is provided with drainage screen 3, is arranged with head outside backwash drift,
Head left port is water inlet, and head right output port is water outlet.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, the backwash dress of this filter
Putting and include skeleton 2 and backwash head 4, skeleton 2 slides up and down along backwash head 4,
The upper end of skeleton 2 has several water inlets 1 at sustained height, and skeleton 2 also has
Having outward extending disk 6, the upper end of backwash head 4 has several at sustained height
Water inlet 27, backwash head 4 lower end has the cap 8 of prominent annular, cap 8
It is enclosed within outside disk 6 and can seamless with outside disk 6 contact, if cap 8 upper surface has
Dry water inlet 39, backwash head 4 lower end is provided with the clamp 10 of some strips, disk
Have on 6 some for clamp 10 insert hole clipping 11, when skeleton 2 moves down, described in enter
The mouth of a river 1 can be backwashed 4 closure, and described water inlet 27 can be blocked by skeleton 2；
When moving on skeleton 2, described water inlet 1 connects with water inlet 27, and cap 8
Seamless with disk 6 contact.
Skeleton 2 upper end has the groove 12 of annular, is provided with sealing ring one on the upside of groove 12
13, be provided with sealing ring 2 14 on the downside of groove 12, backwash head 4 moves rearward recess 12 with
Water inlet 27 is the most right.Sealing ring 1 and sealing ring 2 14 fit 12 are used for sealing
Stifled water inlet 27.
Being cased with the sealing ring 3 15 of annular on water inlet 1, sealing ring 2 14 is positioned at
The upside of water inlet 1.Sealing ring 2 14 and sealing ring 3 15 are used for blocking water inlet
The both sides up and down of 1, prevent water from flowing to filter flask 1 and mistake from water inlet about one 5 both sides
In space between filter screen 3.
The outside of disk 6 is cased with sealing ring 4 16, sealing ring 4 16 can with in cap 8
Side leans.Sealing ring 4 16 increases sealing effectiveness when disk 6 contacts with cap 8.
There is on disk 6 step 17 of annular, as shown in Figure 6, inside cap 8, be provided with ring
The baffle ring 18 of shape, baffle ring 18 when backwash head 4 moves down with the leaning of step 17,
Clamp 10 is positioned at inside baffle ring 18, and water inlet 27 is positioned at outside baffle ring 18.Work as disk
6 when being in close contact with cap 8, and step 17 is also in close contact with baffle ring 18, prevents instead
During flushing, the sewage in filter flask 1 flows out from hole clipping 11.It is cased with close outside step 17
Seal 5 19, sealing ring 5 19 leans inside baffle ring 18.Sealing ring 5 19 increases
Add sealing effectiveness when step 17 contacts with baffle ring 18.
Water inlet 1 is identical with water inlet 27 quantity, and position is identical.Water inlet 1
With water inlet 27 one_to_one corresponding, water inlet 1 described in the present embodiment have four and
Circumference is uniform.As it is shown in fig. 7, be additionally provided with little filter screen 20 at water inlet 1.Little filter screen
20 are possible to prevent the impurity when backwash to enter in skeleton 2 from water inlet 1.
Operation principle: skeleton 2 is driven by the ball valve of filter flask 1 lower end, can relatively recoil
Hair washing 4 moves up and down.When filter is in normal filtration state, skeleton 2 moves down into one
After determining height, now, water inlet 1 is backwashed 4 closure, water inlet 27 quilt
The groove 12 of skeleton 2 blocks, and water can only enter and now disk 6 from water inlet 39
Do not contact, so water can enter in filter flask 1, then from drainage screen with cap 8
3 enter in skeleton 2, then flow out from skeleton 2 upper port, complete filtration operation.Cross
When filter screen 3 needs to clean, skeleton 2 moves, just makes water inlet 1 and water inlet 27
Right, and cap 8 is enclosed within that disk 6 is outer and seamless with disk 6 to be contacted, described water cannot be from
Water inlet 39 enters in filter flask 1, and water enters into from water inlet 1 and water inlet 27
In skeleton 2, then enter into filter flask 1 from drainage screen 3, in drainage screen 3 filter opening
Impurity returns in filter flask 1 together along with reverse flow, then arranges from filter flask 1 bottom blow-down mouth
Go out.Clamp 10 is always positioned in hole clipping 11, prevent backwash head 4 from rotating and cause into
The mouth of a river 1 does not lines up with water inlet 27.
Claims (8)
1. a back purge system for filter, filter includes filter flask and is arranged on filter flask
Interior skeleton cylindrically, skeleton periphery is provided with drainage screen, it is characterised in that this is anti-
Flusher includes being enclosed within the backwash that skeleton upper end makes skeleton can slide up and down along it
Head, the upper end of skeleton has several water inlets one at sustained height, skeleton also has
Outward extending disk, the upper end of backwash head has several water inlets at sustained height
Two, backwash head lower end has the cap of prominent annular, and cap is enclosed within outside disk and energy
Seamless with outside disk contacting, cap upper surface has some water inlets three, backwash head
Lower end is provided with the clamp of some strips, and disk has some hole clippings inserted for clamp,
When skeleton moves down, described water inlet one can be backwashed head closure, described water inlet two
Can be blocked by skeleton；When moving on skeleton, described water inlet one connects with water inlet two,
And cap is seamless with disk contacts, at described water inlet one, it is additionally provided with little filter screen.
The back purge system of a kind of filter the most according to claim 1, its feature
Being, skeleton upper end has the groove of annular, is provided with sealing ring one, groove on the upside of groove
Downside is provided with sealing ring two, backwash head moves rearward recess the most right with water inlet two.
The back purge system of a kind of filter the most according to claim 2, its feature
Be, described water inlet one is cased with annular sealing ring three, sealing ring two be positioned at into
The upside at the mouth of a river one.
The back purge system of a kind of filter the most according to claim 3, its feature
Being, water inlet one is identical with water inlet two quantity, and position is identical.
The back purge system of a kind of filter the most according to claim 4, its feature
Being, described water inlet one has four and circumference is uniform.
The back purge system of a kind of filter the most according to claim 5, its feature
Being, the outside of described disk is cased with sealing ring four, and sealing ring four can be with phase inside cap
Against.
The back purge system of a kind of filter the most according to claim 6, its feature
It is that there is on disk the step of annular, inside cap, is provided with the baffle ring of annular, gear
Ring when backwash head moves down with the leaning of step, clamp is positioned at inside baffle ring, water inlet
Mouth two is positioned at outside baffle ring.
The back purge system of a kind of filter the most according to claim 7, its feature
It is, is cased with sealing ring five outside step, leans inside sealing ring five and baffle ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610373369.6A CN105833588B (en) | 2016-05-30 | 2016-05-30 | A kind of back purge system of filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610373369.6A CN105833588B (en) | 2016-05-30 | 2016-05-30 | A kind of back purge system of filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105833588A true CN105833588A (en) | 2016-08-10 |
| CN105833588B CN105833588B (en) | 2019-02-05 |
Family
ID=56595419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610373369.6A Active CN105833588B (en) | 2016-05-30 | 2016-05-30 | A kind of back purge system of filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105833588B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107812406A (en) * | 2016-09-13 | 2018-03-20 | 汉斯萨塞拉思有限责任两合公司 | Backwash filter device assembly |
| CN108187396A (en) * | 2018-01-18 | 2018-06-22 | 海宁市倍世环保科技有限公司 | For the draining runner transformational structure of fore filter |
| CN108392879A (en) * | 2018-04-26 | 2018-08-14 | 宁波灏钻科技有限公司 | A kind of multi-functional fore filter and its application method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0517945B1 (en) * | 1990-01-26 | 1995-11-08 | Valentron Ag | Back-wash filter apparatus |
| CN2875557Y (en) * | 2006-03-23 | 2007-03-07 | 中外合资宁波埃美柯铜阀门有限公司 | Back flushing filter |
| JP2012157799A (en) * | 2011-01-31 | 2012-08-23 | Asuka Kogyo Kk | Backwashing strainer |
| CN102824773A (en) * | 2011-06-16 | 2012-12-19 | 海宁市水享净水设备有限公司 | Prefilter |
| CN205627264U (en) * | 2016-05-30 | 2016-10-12 | 海宁市倍世环保科技有限公司 | Filter backwash device |
-
2016
- 2016-05-30 CN CN201610373369.6A patent/CN105833588B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0517945B1 (en) * | 1990-01-26 | 1995-11-08 | Valentron Ag | Back-wash filter apparatus |
| CN2875557Y (en) * | 2006-03-23 | 2007-03-07 | 中外合资宁波埃美柯铜阀门有限公司 | Back flushing filter |
| JP2012157799A (en) * | 2011-01-31 | 2012-08-23 | Asuka Kogyo Kk | Backwashing strainer |
| CN102824773A (en) * | 2011-06-16 | 2012-12-19 | 海宁市水享净水设备有限公司 | Prefilter |
| CN205627264U (en) * | 2016-05-30 | 2016-10-12 | 海宁市倍世环保科技有限公司 | Filter backwash device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107812406A (en) * | 2016-09-13 | 2018-03-20 | 汉斯萨塞拉思有限责任两合公司 | Backwash filter device assembly |
| CN108187396A (en) * | 2018-01-18 | 2018-06-22 | 海宁市倍世环保科技有限公司 | For the draining runner transformational structure of fore filter |
| CN108392879A (en) * | 2018-04-26 | 2018-08-14 | 宁波灏钻科技有限公司 | A kind of multi-functional fore filter and its application method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105833588B (en) | 2019-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103328064B (en) | There is the reversible flow filter of purifier | |
| US10918980B2 (en) | Filtering apparatus | |
| JP6076647B2 (en) | Filtration device | |
| CN106139666B (en) | Double-layer leaching net fore filter and its working method | |
| CN109107249A (en) | It is a kind of can automatic cleaning filter core filter and its working method | |
| CN105833588A (en) | Backwashing device of filter | |
| CN205627264U (en) | Filter backwash device | |
| CN203269685U (en) | Positive and negative flushing type water purifier | |
| CN107433062B (en) | Hydrocone type back-flushing filtering device | |
| CN210229284U (en) | Back-washing pre-filter | |
| CN108261833A (en) | A kind of automatic spring filter core and the water dispenser for automatically switching water route | |
| CN207899067U (en) | The conversion control and fore filter of fore filter | |
| KR101064635B1 (en) | Filter with self clean funtion | |
| CN206934851U (en) | A kind of microfilter device for sewage disposal | |
| CN209019990U (en) | It is a kind of can automatic cleaning filter core filter | |
| CN206823297U (en) | Self-cleaning filter | |
| CN106422461B (en) | A kind of reverse direction rinses fore filter | |
| CN209361968U (en) | Filter with self-cleaning strainer function | |
| CN102410385A (en) | Automatic blowdown control valve | |
| CN206645837U (en) | A kind of online switching recoil water treatment facilities | |
| CN208032062U (en) | A kind of strainer valve that can show screen replacing opportunity | |
| CN203196410U (en) | Basket-type filter for scrubbing water | |
| CN206008170U (en) | One kind is convenient for changing filter cartridge type filter | |
| CN211462307U (en) | Easily wash filter | |
| CN217287391U (en) | Large-flow filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |