CN202844704U - Filter element inner support coming inward and going outward - Google Patents
Filter element inner support coming inward and going outward Download PDFInfo
- Publication number
- CN202844704U CN202844704U CN 201220447771 CN201220447771U CN202844704U CN 202844704 U CN202844704 U CN 202844704U CN 201220447771 CN201220447771 CN 201220447771 CN 201220447771 U CN201220447771 U CN 201220447771U CN 202844704 U CN202844704 U CN 202844704U
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- Prior art keywords
- filter
- inner support
- suction nozzle
- water
- filter core
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Abstract
The utility model discloses a filter element inner support coming inward and going outward. The filter element inner support coming inward and going outward comprises cylinder bodies; a plurality of partition angle plates are buckled axially outside the cylindrical surfaces of the cylinder bodies; filter screens on a filter element are arranged in a surrounding way outside the partition angle plates in a pasted mode; and a plurality of water holes are distributed in the cylindrical surfaces of the cylinder bodies between two adjacent partition angle plates. According to the filter element inner support coming inward and going outward provided by the utility model, the filter screens are arranged in a surrounding way outside the filter element inner support; a filter main support is sleeved outside the filter element, so that filter regions are formed in the cylinder bodies, dirt storage regions are formed between two adjacent partition angle plates, and clean water regions are formed between multiple layers of filter screens and the filter main support; because a suction port of a suction nozzle is pasted on the inner wall of the filter element inner support to guarantee that the water pressure of the suction port of the suction nozzle is lower than the water pressure after filtration; after backwashing, water after filtration flows to the suction nozzle through the filter screens under the effect of pressure difference, the backwashing pressure difference is greater than the filter pressure difference in filtering, and the filter screens can be subjected partition backwashing, and a better backwashing effect can be achieved; and moreover, the filter screens is not in contact with the suction nozzle, so that the abrasion of the filter screens can be reduced, and the filter screens are easier for replacing and backwash.
Description
Technical field
The utility model relates to a kind of filter core of filter, particularly relates to the filter core inner support that advances to go out in a kind of.
Background technology
Traditional full-automatic back washing filter comprises the filter core of filter main support, suction nozzle and cylindrical structure, filter core comprises filter screen, filter screen surrounds tubular and is installed on the filter main support, and suction nozzle is arranged in this filter screen, and the suction inlet of suction nozzle contacts or do not contact with the inner surface of filter screen.Also be provided with water inlet, delivery port and sewage draining exit on the filter main support.
When adopting traditional full-automatic back washing filter to filter, closing sewage draining exit and suction nozzle stops not turn, water enters the inside of filter main support from water inlet, under the effect of the pressure reduction of hydraulic pressure, water is discharged from delivery port after multistorey strainer mesh filters from the inside of filter main support, for production and application.During backwash, open sewage draining exit and rotary suction nozzle, because the hydraulic pressure in the suction nozzle is less than the filter core inside water pressure, under the effect of the pressure reduction of hydraulic pressure, water finally is discharged to outside the filter by suction inlet and the sewage draining exit of suction nozzle, thereby filter screen is carried out surface clean.
There is following problem in the backwash of this structure:
1, the rotary machine power that rests on the suction nozzle that the dirt on the filter screen can be rotated is compressed into filter screen again, and more press more real, anti-dirt easy-clear not when cleaning filter screen;
2, the rotary machine power of suction nozzle meeting direct friction filter screen, the loss that increases filter screen;
3, because the outer surface of filter screen is the face of cylinder, suction nozzle can't realize that subregion cleans to filter screen, does not clean and concentrates, and cleaning performance is poor;
Even the suction inlet of 4 suction nozzles and filter screen close contact, the zero hydraulic pressure in the time of also can't realizing recoiling draining can't make the pressure reduction of backwash greater than filtration pressure difference, and the effect of backwash is relatively poor.The suction inlet pressure of suction nozzle therefore water can not flow to suction inlet after the filter, does not have the backwash effect less than the rear hydraulic pressure of filter.
5, do not contact with filter screen such as the suction nozzle suction inlet, then backwash is more inoperative, because the suction inlet pressure of suction nozzle is pressure before the filter, before the filter pressure greater than filter after pressure, therefore at all can't backwash.
The utility model content
In view of this, the purpose of this utility model be to provide a kind of can improve backwash effect and reduce the filter screen wearing and tearing in the filter core inner support that advances to go out.
In order to reach above-mentioned purpose, solution of the present utility model is:
The filter core inner support that advances to go out in a kind of, comprise cylindrical shell, it axially is buckled with a plurality of subregion gussets the outer, the face of cylinder of cylindrical shell, and the subregion gusset is outer to enclose filter screen on the filter core in the mode that is sticked, and laid a plurality of water holes on the face of cylinder of the cylindrical shell between the adjacent two subregion gussets.
Described water hole between described adjacent three subregion gussets is laid staggeredly.
Described water hole between the described adjacent two subregion gussets is in line.
The maximum diameter of hole of the mesh of the filter screen that the diameter in described water hole encloses outward greater than the filter core inner support.
Described subregion gusset adopts the corner board structure of 60 degree.
Described subregion gusset adopts the corner board structure of 90 degree.
After adopting said structure, the filter core inner support that advances to go out in a kind of of the present utility model has following beneficial effect: the filter core inner support encloses filter screen outward, the filter main support is enclosed within outside the filter core, like this, inner barrel forms filtering area, form between the two adjacent subregion gussets and deposit dirty district, form clear water zone between multistorey strainer mesh and the filter main support, when filtering, closing the sewage draining exit of filter and the suction nozzle of filter does not rotate, water enters the filtering area of inner barrel from the water inlet of filter, under the effect of pressure reduction, then water discharge from the delivery port of filter from entering clear water zone from filtering area after multistorey strainer mesh filters successively.When cleaning filter screen is counter, at first, open sewage draining exit and the rotary suction nozzle of filter, when the suction inlet of suction nozzle rotates to a certain when depositing place, dirty district, because the hydraulic pressure in the suction nozzle is zero hydraulic pressure, this deposits the impurity that retains and dirt in the dirty district, and near the water the suction nozzle is under the effect of the pressure reduction of hydraulic pressure, suction inlet and sewage draining exit by suction nozzle finally is discharged from outside the filter successively, thereby the above-mentioned water of depositing in the dirty district is carried out effective backwash.Then, suction nozzle continues to rotate to the next one and deposits dirty district, and this is deposited dirty district carry out backwash.So circulation can be carried out backwash to respectively depositing dirty district one by one.When adopting the utility model backwash, because the suction inlet of suction nozzle is attached on the inwall of filter core inner support, the suction inlet of suction nozzle and filter core inner support are fitted, therefore the water before the filter advances in the suction inlet less than suction nozzle during backwash, so the suction inlet hydraulic pressure that has guaranteed suction nozzle less than filter after hydraulic pressure; When backwash, water is because of the relation of pressure reduction after the filter, and nature flows to suction nozzle by filter screen, be zero hydraulic pressure in the suction nozzle, the hydraulic pressure of depositing in the dirty district is substantially equal to backwash pressure reduction, the filtration pressure difference when backwash pressure reduction is greater than filtration like this, can carry out the subregion backwash to filter screen, and can reach better backwash effect.And filter screen and suction nozzle are contactless, can reduce the wearing and tearing of filter screen, and are easier to change and backwash.
Description of drawings
Fig. 1 is for adopting the view of filter when filtering of the filter core inner support that advances to go out in of the present utility model;
Fig. 2 is the filter that adopts the filter core inner support that advances to go out in the of the present utility model view when anti-the cleaning;
Fig. 3 is for adopting the decomposing schematic representation of filter of the present utility model;
Fig. 4 is the structural representation of the filter core inner support that advances to go out in of the present utility model;
Fig. 5 is the schematic cross-section of the filter core inner support that advances to go out in of the present utility model.
Among the figure:
Filter main support 1 water inlet 10a
Filter core 2 filtering area 20a
Deposit dirty district 20b clear water zone 20c
Filter core inner support 21 cylindrical shells 211
Subregion gusset 212 water holes 213
Rotating shaft spindle nose locator 33 water holes 34
The specific embodiment
In order further to explain the technical solution of the utility model, the utility model is elaborated below by specific embodiment.
Shown in Fig. 1 to 5, filter mainly comprises filter main support 1, filter core 2 and suction nozzle 3.Filter core 2 adopts filter core inner support 21 of the present utility model, encloses multistorey strainer mesh 22 outside filter core inner support 21.
Filter main support 1 adopts cylindrical structure, and filter main support 1 is enclosed within outside the filter core 2 of cylindrical structure.Like this, the filter core inner support 21 inner filtering area 20a that form, be provided with between filter core inner support 21 and the multistorey strainer mesh 22 and deposit dirty district 20b, form clear water zone 20c between multistorey strainer mesh 22 and the filter main support 1, filter main support 1 is provided with water inlet 10a, delivery port 10b and sewage draining exit 10c, water inlet 10a, filtering area 20a, deposit dirty district 20b, clear water zone 20c and delivery port 10b is communicated with successively, and deposit dirty district 20b and sewage draining exit 10c is communicated with.
Filter core inner support 21 of the present utility model comprises cylindrical shell 211, its axial button of the outer, the face of cylinder of cylindrical shell 211 is established a plurality of subregion gussets 212, form between the adjacent two subregion gussets 212 and deposit dirty district 20b, lay a plurality of water holes 213 on the face of cylinder of the cylindrical shell 211 between the adjacent two subregion gussets 212.
As a preferred embodiment of the present utility model, to deposit water hole 213 corresponding to 20b, dirty district for one and arrange in a rowly, the water hole 213 between adjacent three subregion gussets 212 is laid staggeredly.Multistorey strainer mesh 22 is sticked outside subregion gusset 212, the mesh of multistorey strainer mesh 22 is changed less by as many as from the inside to the outside, the filter screen 22 close filter core inner supports 21 that mesh is many, can play better the sealing function with filter core inner support 21, reduce the water of filtering area 20a by flowing to suction nozzle 3 herein, the foreign material in the water can be blocked in and deposit in the dirty district 20b.
As another preferred embodiment of the present utility model, the diameter in water hole 212 is greater than the maximum diameter of hole of the mesh of filter screen 22.Subregion gusset 212 adopts the corner board structure of 60 degree, perhaps adopts the corner board structure of 90 degree, perhaps adopts 30 degree to 120 corner board structures of spending in the angular ranges.
Filter main support 1 is provided with blowdown chamber 11, and sewage draining exit 10c is arranged on the bottom of blowdown chamber 11, and sewage draining exit 10c place is equipped with pulse draining valve 12.Rotating shaft 31 is stretched into blowdown chamber 11 after passing cylindrical shell 211, and corresponding blowdown chamber 11 is provided with mudhole in the rotating shaft 31.Rotary suction nozzle 3 can absorb to be deposited in the dirty district 20b and deposits dirty district 20b impurity nearby, and drains into sewage draining exit 10c.
When adopting the utility model normal operation to filter, close pulse draining valve 12, and rotating shaft 31 is not rotated.Sewage, contain the water of impurity or enter the cylindrical shell 211 filtering area 20a of filter core 2 from the water hole 34 on water inlet 10a, the rotating shaft spindle nose locator 33 from the water at water source inner, because the hydraulic pressure of cylindrical shell 211 filtering area 20a is 3 kg/cm, be 0.3MPa, hydraulic pressure in the clear water zone 20c is 2 kg/cm, under differential pressure action, water enters clear water zone 20c by the water hole 213 on the cylindrical shell 211 after multistorey strainer mesh 22 filters, discharge at last the water of cleaning from delivery port 10b, use for production, agricultural, life.
After work a period of time, intake pressure is constant and discharge pressure diminishes, when pressure reduction reaches certain setting value, and startup automatic back-washing function.
At first, water enters from water inlet 10a, open pulse draining valve 12 and rotating shaft 31, the suction nozzle 3 that rotating shaft 31 drives on it rotates together, when the suction inlet of suction nozzle 3 rotates to a certain osculum 213 place that deposits 20b place, dirty district, rotating shaft 31 stays for some time for backwash, time is adjustable, because the hydraulic pressure in the suction nozzle 3 is 0 hydraulic pressure, this deposits the impurity that retains and dirt in the dirty district 20b, water passes through filter screen 22 successively after the filter under the effect of the rear 2 kilograms of hydraulic pressure of filter, the suction inlet of suction nozzle 3, water cavity 32 in the rotating shaft 31 and the above-mentioned mudhole in the rotating shaft 31 enter blowdown chamber 11, at last by outside pulse draining valve 12 discharge filters, thereby the above-mentioned water of depositing in the dirty district 20b is carried out effective backwash.Water constantly passes through filter screen 22 in the mode of pulse after the filter, thereby reaches the purpose of cleaning filter screen.
Secondly, rotating shaft 31 continuation rotations and the suction nozzle 3 that drives on it rotate to the osculum 213 that the next one is deposited 20b place, dirty district together, and this are deposited the dirty 20b of district carry out backwash.So circulation can be carried out backwash to respectively depositing dirty district 20b one by one.
Because the water hole 213 on the filter core inner support 21 is laid staggeredly, axle turns 31 rotations when moving like this, can be swept in the next row water hole 213 by suction nozzle 3 if any dirt on the surface of filter core inner support 21 and by the backwash eliminating, rotating shaft 31 also is difficult for stuck.Button is established subregion gusset 212 on the face of cylinder of filter core inner support 21, can form a plurality of non-interfering dirty district 20b that deposit, and by to respectively depositing one by one backwash of dirty district 20b, can improve cleaning performance.Preferably, set the quantity of depositing dirty district 20b according to size and the specification of filter core 2, if the diameter of cylindrical shell 211 can arrange than multi partition gusset 212 more greatly.The filter core inner support 21 outer filter screens 22 that enclose, contactless because of filter screen 22 and suction nozzle 3, can reduce filter screen 22 wearing and tearing, and be easier to change and backwash.
The utility model utilizes the water outlet pressure reduction of filtered water and subregion cleaning that filter screen 22 is carried out pulse backwashing, during backwash, owing to being zero hydraulic pressure in the suction nozzle 3, the hydraulic pressure of depositing in the dirty district 20b is substantially equal to backwash pressure reduction, the filtration pressure difference when backwash pressure reduction is greater than filtration like this.Pulsating water was pressed when particularly backwash realized backwash by pulse draining valve 12, can reach better backwash effect.In addition, because adopting the subregion backwash, therefore the pressure drop during backwash is little, can divide 40-80 district, be equivalent to the filter area variation of 1.25%-2.5%.
In sum, the filter core inner support that advances to go out in a kind of of the present utility model has the following advantages:
1, the dirt that rests on the filter screen 22 can directly not contact with suction nozzle 3;
2, the inwall of the cylindrical shell 211 of filter core inner support 21 can process with suction nozzle 3 concentricity tolerances be 10 precision, add being flexible coupling on the suction inlet of suction nozzle 3, the suction inlet of suction nozzle 3 and cylindrical shell 211 form close contact, play effective seal isolation effect during backwash, water is play not, and then realize in the backwash suction nozzle 3 being draining zero hydraulic pressure, be conducive to improve anti-cleaning performance;
3, suction nozzle 3 does not directly contact with filter screen 22, therefore can not damage filter screen 22;
4, because of the unique design of filter core inner support 21 and the interior carefully outer thick structure of filter screen 22, can reach the purpose of subregion, and can form the dirty district 20b of depositing of Tibetan dirt, the mutual play of water during backwash, water saving, quick, effective;
5, because being draining zero hydraulic pressure in the backwash suction nozzle 3, can install pulse draining valve 12 additional in discharge outlet, thereby reach the backwash pressure reduction that is higher than filtration pressure difference, in the subregion backwash, can thoroughly clean filter screen 22 with pulse.
Above-described embodiment and accompanying drawing and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present utility model to its suitable variation or modification of doing.
Claims (6)
1. the filter core inner support that advances to go out in a kind, it is characterized in that: comprise cylindrical shell, it axially is buckled with a plurality of subregion gussets the outer, the face of cylinder of cylindrical shell, and the subregion gusset is outer to enclose filter screen on the filter core in the mode that is sticked, and laid a plurality of water holes on the face of cylinder of the cylindrical shell between the adjacent two subregion gussets.
2. the filter core inner support that advances to go out in as claimed in claim 1, it is characterized in that: the described water hole between described adjacent three subregion gussets is laid staggeredly.
3. the filter core inner support that advances to go out in as claimed in claim 1, it is characterized in that: the described water hole between the described adjacent two subregion gussets is in line.
4. the filter core inner support that advances to go out in as claimed in claim 1 is characterized in that: the maximum diameter of hole of the mesh of the filter screen that the diameter in described water hole encloses outward greater than the filter core inner support.
5. the filter core inner support that advances to go out in as claimed in claim 1 is characterized in that: described subregion gusset adopts the corner board structures of 60 degree.
6. the filter core inner support that advances to go out in as claimed in claim 1 is characterized in that: described subregion gusset adopts the corner board structures of 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220447771 CN202844704U (en) | 2012-09-04 | 2012-09-04 | Filter element inner support coming inward and going outward |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220447771 CN202844704U (en) | 2012-09-04 | 2012-09-04 | Filter element inner support coming inward and going outward |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202844704U true CN202844704U (en) | 2013-04-03 |
Family
ID=47975943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220447771 Expired - Fee Related CN202844704U (en) | 2012-09-04 | 2012-09-04 | Filter element inner support coming inward and going outward |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202844704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107923352A (en) * | 2015-08-17 | 2018-04-17 | 京三电机株式会社 | Fuel filter and element |
-
2012
- 2012-09-04 CN CN 201220447771 patent/CN202844704U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107923352A (en) * | 2015-08-17 | 2018-04-17 | 京三电机株式会社 | Fuel filter and element |
| CN107923352B (en) * | 2015-08-17 | 2020-01-03 | 京三电机株式会社 | Fuel filter and element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 362800, Quanzhou Town, Quangang District, Fujian Province Patentee after: Fujian Baichuan Resources Recycling Technology Co., Ltd. Address before: 362808, Quanzhou Town, Quangang District, Fujian Province Patentee before: Fujian Baichuan Resources Recycling Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20180904 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |