CN208667223U - A kind of multiple anti-clogging strainer head of down-mounting type - Google Patents
A kind of multiple anti-clogging strainer head of down-mounting type Download PDFInfo
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- CN208667223U CN208667223U CN201820885041.7U CN201820885041U CN208667223U CN 208667223 U CN208667223 U CN 208667223U CN 201820885041 U CN201820885041 U CN 201820885041U CN 208667223 U CN208667223 U CN 208667223U
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- filter
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- head
- blocking
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model discloses a kind of multiple anti-clogging strainer heads of down-mounting type, it includes anti-blocking filter cover cap, strainer head, cavity base cylinder；The strainer head is made of anti-blocking filter head and the anti-blocking filter rod of cavity；The anti-blocking filter rod of the cavity includes deflation pressure release section cavity filter rod, nut segment cavity filter rod, taper platform seal section cavity filter rod, outer silk thread segment cavity filter rod, cavity spiral lamination strengthening segment filter rod；The anti-blocking filter head includes round table-like filter sealing top, several lateral overcurrent filter seams, several longitudinally connected section；The strainer head is threadedly coupled by outer silk thread segment cavity filter rod with cavity base cylinder；The strainer head and cavity base cylinder passes through the nut of the taper platform of taper platform seal section cavity filter rod, the outer silk screw thread of outer silk thread segment cavity filter rod, nut segment cavity filter rod, carries out external force screw thread and squeezes plastic sealed.The utility model fundamentally thoroughly solves the problems, such as the blocking of filter by unique structure innovation.
Description
Technical field
The utility model belongs to technical field of sewage, and in particular to a kind of multiple anti-clogging strainer head of down-mounting type.
Background technique
In recent years, domestic sewage treatment industry biological aerated filter process is applied relatively broad, due to biological aerated filter
Process object be largely stain disease, but contain a large amount of suspended matters and fibrous material, these substances in general stain disease
All with tiny blocky, threadiness or cotton-shaped presence, including plastic wire, hairline, the small paper scrap that gives up, plant fiber wall silk etc., when dirt is useless
When water is entered filter rod inner cavity and flowed upwardly into filter cap inner cavity by strainer head filter rod lower end, these suspended matters or fibrous material are very
It is easy to be trapped within filter cap or filter inner cavity and the blocking of water gap is crossed into the bar shaped of filter cap or filter；When blocked strainer head number
When measuring more, it is possible to cause in normal course of operation that water distribution is uneven on the section of bed rearrangement filter tank, while can also greatly increase and be
The head loss of system；Blocking especially in combined water and air backwash due to strainer head causes water distribution, gas distribution uneven, leads
It causes the filter material layer of biological aerated filter that cannot uniformly be rinsed and to generate filter material layer hardened, seriously affects process operation and not
It can guarantee that effluent quality is up to standard.
Example one, traditional long Handle filter head special for aeration biological filter pool (ZL02293036.1) are provided with filter cap, due to operation
The filter gap of its filter cap is blocked often in the process, and this kind of strainer head is to be fixed on filter plate downwards from filter plate top
On, upper part also heap is filled with the filtrate of 3~4m high, when strainer head, which is blocked, influences operation, it need to be cleared up, but
It needs to dig out all filtrates out of filter tank before cleaning and just can be carried out cleaning work, cleaning trouble, working efficiency are low.Example two,
In patent disclosed in CN203474523, there are the problem of have: (1) be still additionally provided with into water filter cap, easily a large amount of threadinesss of retention
Object, causing to overhaul cumbersome, filter tank has hardened risk；(2) airtightness is poor between strainer head and cavity base cylinder, and the two cannot be fine
Sealing, causes high strong gas pressure when backwash, hydraulic pressure to be revealed from this gap, pressure release, and then reduces water flow, the throughput of filter,
The rate for reducing its cutting fibrous object and biomembrane is not easy to wash away fibrous material and biomembrane etc., easily causes filter stifled
Plug, filter tank are hardened；(3) when long-term gas and water backwash, due to the mutual flowage friction of filtrate, supporting layer cobblestone, lead to support
Layer, filtrate mixed bed；One side's meeting wears away filter overcurrent gap part, causes filtrate directly to pass through cavity body and enters filter tank water distribution
Room；On the other hand, the fibrous material of filter retention or overcurrent wraps up retention by the filtrate outside filter, can not effectively be released
It puts, it is hardened so as to cause filter blocking, filter tank.Example three, in patent disclosed in CN203803220U, strainer head and cavity base
The service life of cylinder gasket seal is low, due to being chronically under the effects of various hyperbars, high hydraulic pressure and microbiological oxidation restore, gasket
Easily aging, so as to cause series of problems such as example two (2) airtightness differences.
Therefore, develop one kind do not need filter cap, thoroughly solve filter blockage problem, repair rate is low, maintenance is convenient, closed
Property the good and service life is long, disassembly and multiple anti-clogging strainer head easy to assembly have very great innovation meaning.
Utility model content
In view of the deficiencies of the prior art, the utility model proposes a kind of multiple anti-clogging strainer heads of down-mounting type.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of multiple anti-clogging strainer head of down-mounting type, it includes anti-blocking filter cover cap, strainer head, cavity base cylinder；Institute
Strainer head is stated to be made of anti-blocking filter head and the anti-blocking filter rod of cavity；The anti-blocking filter cover cap and cavity base cylinder pass through mechanical connection
Mode is screw connection or snaps connection；The anti-blocking filter rod of the cavity includes deflation pressure release section cavity filter rod, nut segment cavity
Filter rod, taper platform seal section cavity filter rod, outer silk thread segment cavity filter rod, cavity spiral lamination strengthening segment filter rod；Described is anti-blocking
Filter includes round table-like filter sealing top, several lateral overcurrent filter seams, several longitudinally connected section；The dry item transverse direction mistake
Stream filter slit shape is wedge shape, in interior thick outer thin；Connection breaking is arranged between longitudinally connected section of described several and lateral overcurrent filter seam；
The strainer head is threadedly coupled by outer silk thread segment cavity filter rod with cavity base cylinder；The strainer head with
Cavity base cylinder passes through the taper platform of taper platform seal section cavity filter rod, outer silk screw thread, the nut of outer silk thread segment cavity filter rod
The nut of section cavity filter rod carries out external force screw thread and squeezes plastic sealed, ensuring safety property long term seal；The deflation pressure release section cavity
Filter rod is respectively equipped with bar shaped deflation relief hole, taper deflation relief hole.
The lateral overcurrent filter seam is at least 2, and described longitudinally connected section is at least 1 section.
The anti-blocking filter cover cap is stitched equipped with a plurality of nut cap, and the overcurrent filter seam that longitudinal width is greater than anti-blocking filter head is stitched in nut cap
Width, but the diameter for the filler being slightly less than outside anti-blocking filter cover cap.
The outside sectional area of the lateral overcurrent filter board splitter shape is at least 1.5 times of outside sectional area size, guarantees
Inside flow velocity is not less than 0.25m/s, and the cross-sectional dimension size of the wedge shape of the lateral overcurrent filter seam guarantees outside flow velocity not
Lower than 0.10m/s；When backwash, the cross-sectional dimension size of the wedge shape of the lateral overcurrent filter seam guarantees that inside flow velocity is not less than
The cross-sectional dimension size of 0.50m/s, the wedge shape of the lateral overcurrent filter seam guarantee that outside flow velocity is not less than 0.2m/s.
The taper platform level angle of the taper platform seal section cavity filter rod is 30~70 °.
The cavity base cylinder and the filter plate in filter tank carry out pre-buried connection.
The nut cap seam substrate and cavity base cylinder carry out detachable mechanical connection.
The bar shaped deflation relief hole is placed in deflation pressure release section cavity filter rod lower end, and quantity is at least 1；The taper
Deflation relief hole is placed in upper end in deflation pressure release section cavity filter rod, and quantity is at least 2, and taper deflation relief hole diameter is from bottom to top
In tapered trend, the upper end toper deflates outside vertex of a cone diameter as 0.5~0.8cm, and cone bottom diameter is 0.2~0.3cm.
The utility model has the beneficial effects that
1, by a large amount of experimental study, optimal duty parameter is obtained, and the lateral overcurrent on filter surface is filtered into board splitter
Shape realizes the optimum condition parameter for wanting to obtain by the structure design of innovation；On the one hand, normally processing sewage or filter tank backwash
When, using the inside and outside difference different in flow rate of wedge shape, to form huge hydraulic shear, eddy flow power, inside and outside pressure difference, directly
By a large amount of fibrous direct shearings that filter transverse direction overcurrent filters seam retention are washed away, normal pressure is discharged, negative pressure is sucked out to filter overcurrent
The outside for filtering seam thoroughly solves filter blockage problem from source, realizes first the most fundamental anti-clogging function；Another party
Face not only directly saves filter cap, and filter blockage problem can be solved in the retention without filter cap, while saving later period disassembly filter
The related problem and expense of cap maintenance；Again, the innovative design of filter transverse direction overcurrent filter wedge shape reduces a large amount of water damage, gas
Loss, it is more conducively energy-saving.
2, experimental study is constantly repeated by simulation, model machine, obtains optimal taper corner of table degree control parameter, utilizes inside and outside spiral shell
The progressive external force screw thread that silk nut tightens the taper platform of the taper platform seal section cavity filter rod of fixation and innovative design squeezes modeling
Property sealing, directly solve the problems, such as airtightness difference between strainer head and cavity base cylinder from source, instead of tradition such as rubber
The short problem of the service life of sealing, ensure that high strong gas pressure when backwash, hydraulic pressure will not be revealed from this gap, pressure release, simultaneously
Also side face ensures again the normal mechanism operating of the sundries such as fibrous material, the biomembrane of filter retention cleared up automatically；It is real
Secondary anti-clogging function is showed.
3, anti-blocking filter cover cap design, is lost the mutual flowage friction stitched by filtrate, supporting layer cobblestone, filter overcurrent
Play the role of umbrella, avoid filtrate and directly pass through cavity body and enter filter tank distributing water room, while ensure that filter wedge shape
The release of the outlet fibrous material of overcurrent seam, avoids it and is wrapped in filter outer surface；In addition, protecting matching for multiple groups filter
Water, distribution uniformity；Realize the anti-clogging function of third time aspect.
4, the Multiple Optimization Design of deflation pressure release section not only, effectively eliminates vapour lock, avoids air cushion layer to water inlet energy consumption
Waste；The different optimization innovative design of bellmouth, also ensures that deflation hole is not easy to plug；The Combination Design of module and lower dress
Assembly, disassembly mode so that filter assembling, accessory alternative costs and workload substantially reduce；With biggish engineer application
Value, produces biggish economic benefit.
Detailed description of the invention
A kind of Fig. 1: multiple anti-clogging strainer head of down-mounting type
1 anti-blocking filter head nut cap, 2 strainer heads, 3 cavity base cylinders；
Fig. 2: anti-blocking filter head nut cap
Substrate is stitched in 1 anti-blocking filter head nut cap, the top seal of the anti-blocking nut cap of 1-1,1-2 nut cap seam, 1-3 nut cap；
Fig. 3: strainer head
2-1 anti-blocking filter head, the anti-blocking filter rod of 2-2 cavity, 2-1-1 round table-like filter sealing top, 2-1-2 transverse direction overcurrent seam, 2-
Longitudinally connected section of 1-3,2-2-1 deflation pressure release section cavity filter rod, 2-2-2 nut segment cavity filter rod, 2-2-3 taper platform seal section sky
Chamber filter rod, the outer silk thread segment cavity filter rod of 2-2-4, the outer silk thread segment cavity filter rod of 2-2-5,2-1-1-1 bar shaped deflation relief hole,
2-1-1-2 taper deflation relief hole.
Specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, a kind of multiple anti-clogging strainer head 0 of down-mounting type, it include anti-blocking filter cover cap 1,
Strainer head 2, cavity base cylinder 3；The strainer head 2 is made of anti-blocking filter head 2-1 and the anti-blocking filter rod 2-2 of cavity；It is described anti-
Stifled filter cover cap 1 is screw connection by mechanical connection manner with cavity base cylinder 3 or snaps connection；The anti-blocking filter rod of the cavity
2-2 include deflation pressure release section cavity filter rod 2-2-1, nut segment cavity filter rod 2-2-2, taper platform seal section cavity filter rod 2-2-3,
Outer silk thread segment cavity filter rod 2-2-4, cavity spiral lamination strengthening segment filter rod 2-2-5；The anti-blocking filter head 2-1 includes round table-like
Filter sealing top 2-1-1, several lateral overcurrent filter seam 2-1-2, several longitudinally connected section of 2-1-3；The dry item is lateral
Overcurrent filter seam 2-1-2 shape is wedge shape, in interior thick outer thin；Several described longitudinally connected section of 2-1-3 and lateral overcurrent filter are stitched
Connection breaking is arranged between 2-1-2；The strainer head 2 is carried out by outer silk thread segment cavity filter rod 2-2-4 and cavity base cylinder 3
It is threadedly coupled；The strainer head 2 and cavity base cylinder 3 pass through the taper platform 2-2-4 of taper platform seal section cavity filter rod, outer
The nut of the outer silk screw thread of silk thread segment cavity filter rod 2-2-3, nut segment cavity filter rod 2-2-2, carries out external force screw thread and squeezes modeling
Property sealing, ensuring safety property long term seal；The deflation pressure release section cavity filter rod 2-2-1 is respectively equipped with bar shaped deflation relief hole 2-2-
1-1, taper deflation relief hole 2-2-1-2.
The lateral overcurrent filter seam 2-1-2 is at least 2, and the longitudinally connected section of 2-1-3 is at least 1 section.
The anti-blocking filter cover cap 1 is equipped with a plurality of nut cap and stitches 1-2, and the mistake that 1-2 longitudinal width is greater than anti-blocking filter head is stitched in nut cap
Stream filter slit width 2-1-2, but the diameter for the filler being slightly less than outside anti-blocking filter cover cap.
The outside sectional area of the lateral overcurrent filter board splitter shape is at least 1.5 times of outside sectional area size, described
The cross-sectional dimension size of the wedge shape of lateral overcurrent filter seam 2-1-2 can guarantee that inside flow velocity is not less than 0.25m/s, the transverse direction
The cross-sectional dimension size of the wedge shape of overcurrent filter seam 2-1-2 can guarantee that outside flow velocity is not less than 0.10m/s；It is described when backwash
The cross-sectional dimension size of the wedge shape of lateral overcurrent filter seam 2-1-2 can guarantee that inside flow velocity is not less than 0.50m/s, the transverse direction
The cross-sectional dimension size of the wedge shape of overcurrent filter seam 2-1-2 can guarantee that outside flow velocity is not less than 0.2m/s.
The taper platform level angle of the taper platform seal section cavity filter rod 2-1-1 is 30~70 °.
The cavity base cylinder 3 and the filter plate in filter tank carry out pre-buried connection.
The nut cap seam substrate 1-3 and cavity base cylinder 3 carry out detachable mechanical connection.
The bar shaped deflation relief hole 2-2-1-1 is placed in the lower end deflation pressure release section cavity filter rod 2-2-1, and quantity is at least 1
It is a；The taper deflation relief hole 2-2-1-2 is placed in upper end in deflation pressure release section cavity filter rod, and quantity is at least 2, taper
Deflation relief hole 2-2-1-1 diameter is in tapered trend from bottom to top, the upper end toper deflate external vertex of a cone diameter be 0.5~
0.8cm, cone bottom diameter are 0.2~0.3cm.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, the protection model of the utility model can not be limited with this
It encloses.All equivalent change or modifications according to made by the spirit of the present invention essence, should all be covered on the utility model and protect
Within the scope of.
Claims (8)
1. a kind of multiple anti-clogging strainer head of down-mounting type, it is characterised in that: it includes anti-blocking filter cover cap, strainer head, cavity
Pedestal cylinder；The strainer head is made of anti-blocking filter head and the anti-blocking filter rod of cavity；The anti-blocking filter cover cap and cavity base cylinder are logical
Mechanical connection manner is crossed to be screw connection or snap connection；The anti-blocking filter rod of the cavity include deflation pressure release section cavity filter rod,
Nut segment cavity filter rod, taper platform seal section cavity filter rod, outer silk thread segment cavity filter rod, cavity spiral lamination strengthening segment filter rod；
The anti-blocking filter head includes round table-like filter sealing top, several lateral overcurrent filter seams, several longitudinally connected section；Described
Dry item transverse direction overcurrent filter slit shape is wedge shape, in interior thick outer thin；Between longitudinally connected section of described several and lateral overcurrent filter seam
Connection breaking arrangement；The strainer head is threadedly coupled by outer silk thread segment cavity filter rod with cavity base cylinder；It is described
Strainer head and cavity base cylinder by the taper platform of taper platform seal section cavity filter rod, outer silk thread segment cavity filter rod it is outer
The nut of silk screw thread, nut segment cavity filter rod carries out external force screw thread and squeezes plastic sealed, ensuring safety property long term seal；It is described to put
Gas pressure release section cavity filter rod is respectively equipped with bar shaped deflation relief hole, taper deflation relief hole.
2. the multiple anti-clogging strainer head of a kind of down-mounting type according to claim 1, it is characterised in that: the lateral mistake
Stream filter seam is at least 2, and described longitudinally connected section is at least 1 section.
3. the multiple anti-clogging strainer head of a kind of down-mounting type according to claim 1, it is characterised in that: the anti-blocking filter
Nut cap is stitched equipped with a plurality of nut cap, and the overcurrent filter slit width that longitudinal width is greater than anti-blocking filter head is stitched in nut cap, but is slightly less than anti-blocking filter cover cap
The diameter of outer filler.
4. the outside sectional area of lateral overcurrent filter board splitter shape described in is at least outside 1.5 times of sectional area size, guarantee in
Effluent speed is not less than 0.25m/s, and the cross-sectional dimension size of the wedge shape of the lateral overcurrent filter seam guarantees that outside flow velocity is not low
In 0.10m/s；When backwash, the cross-sectional dimension size of the wedge shape of the lateral overcurrent filter seam guarantees that inside flow velocity is not less than
The cross-sectional dimension size of 0.50m/s, the wedge shape of the lateral overcurrent filter seam guarantee that outside flow velocity is not less than 0.2m/s.
5. the multiple anti-clogging strainer head of a kind of down-mounting type according to claim 1, it is characterised in that: the taper platform
The taper platform level angle of seal section cavity filter rod is 30~70 °.
6. the multiple anti-clogging strainer head of a kind of down-mounting type according to claim 1, it is characterised in that: the cavity base
Cylinder and the filter plate in filter tank carry out pre-buried connection.
7. the multiple anti-clogging strainer head of a kind of down-mounting type according to claim 1, it is characterised in that: base is stitched in the nut cap
Bottom and cavity base cylinder carry out detachable mechanical connection.
8. the multiple anti-clogging strainer head of a kind of down-mounting type according to claim 1, it is characterised in that: the bar shaped is deflated
Relief hole is placed in deflation pressure release section cavity filter rod lower end, and quantity is at least 1；The taper deflation relief hole is placed in deflation
Upper end in pressure release section cavity filter rod, quantity are at least 2, and taper deflation relief hole diameter is in tapered trend from bottom to top, described
Upper end toper deflates outside vertex of a cone diameter as 0.5~0.8cm, and cone bottom diameter is 0.2~0.3cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885041.7U CN208667223U (en) | 2018-06-08 | 2018-06-08 | A kind of multiple anti-clogging strainer head of down-mounting type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885041.7U CN208667223U (en) | 2018-06-08 | 2018-06-08 | A kind of multiple anti-clogging strainer head of down-mounting type |
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| Publication Number | Publication Date |
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| CN208667223U true CN208667223U (en) | 2019-03-29 |
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| CN201820885041.7U Active CN208667223U (en) | 2018-06-08 | 2018-06-08 | A kind of multiple anti-clogging strainer head of down-mounting type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483627A (en) * | 2018-06-08 | 2018-09-04 | 安徽华骐环保科技股份有限公司 | A kind of multiple anti-clogging strainer head of down-mounting type |
-
2018
- 2018-06-08 CN CN201820885041.7U patent/CN208667223U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483627A (en) * | 2018-06-08 | 2018-09-04 | 安徽华骐环保科技股份有限公司 | A kind of multiple anti-clogging strainer head of down-mounting type |
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