CN105107248A - Filter element equipped with variably spaced reverse-washing filter - Google Patents
Filter element equipped with variably spaced reverse-washing filter Download PDFInfo
- Publication number
- CN105107248A CN105107248A CN201510605115.8A CN201510605115A CN105107248A CN 105107248 A CN105107248 A CN 105107248A CN 201510605115 A CN201510605115 A CN 201510605115A CN 105107248 A CN105107248 A CN 105107248A
- Authority
- CN
- China
- Prior art keywords
- filter element
- filter
- valve body
- skeleton
- framework
- 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
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a filter element equipped with a variably spaced reverse-washing filter. The filter element comprises a valve body, a filter element shell and a filter element assembly, wherein a liquid outlet is formed in the middle position at the upper end of the valve body; liquid outlets and reverse discharge openings are formed in the lower end of the valve body; the filter element shell is mounted in the valve body; the filter element assembly is mounted in the filter element shell and comprises a framework provided with filter holes; an end head is mounted at the bottom end of the framework; a lower seal cover is mounted on the side near the end head of the framework; an upper cover sleeves the other side of the framework; a ring-shaped groove is formed in the inner side wall at the upper end of the upper cover; a driving block corresponding to the ring-shaped groove is arranged on the outer side wall at the upper end of the framework, and can move up and down along the ring-shaped groove; a tension spring sleeves the outer circumference surface of the framework. The filter element has the advantages that during reverse discharge, clear water is utilized for pressing the driving block to drive the framework to move downwards, so that the tension spring can be extended, spaces in the tension spring can be enlarged, and then impurities on the tension spring can be conveniently washed by the clear water.
Description
Technical field
The present invention relates to a kind of filter, particularly a kind of filter core with variable gap backwash filter.
Background technology
What a lot of enterprise used at present remains traditional multi-layer sintering net and trapezoidal silk winded filtering core filter, this filter is in filtration time-continuing process, solid phase impurity in liquid is filtered element and is trapped in surface, progressively deposit, back flush is difficult to be trapped in surperficial solid phase impurity removing by being filtered element, finally cause filter element pressure at two ends difference to increase, the efficiency of filtration declines thereupon.The filter of this quasi-tradition has following shortcoming: filtering accuracy is low; After filter element lost efficacy, the filter core that must more renew, or disassemble filter core and clean, causes whole system to shut down, stops production, so not only waste of manpower but also affect normally carrying out of follow-up work, can not meet the requirement of industrial production continuity, and blowdown difficulty; Filter plant takes up an area comparatively large, causes space waste.
In order to overcome above-mentioned shortcoming, recent domestic has developed the filter possessing self-cleaning function, this filter not only floor space is little, and can not interrupt filter successional while, filter element is cleaned, automaticity is higher, saves human resources, and filter efficiency is improved greatly.
Such as, in patent 203540174U, refer to a kind of spring candle filter, to comprise one end be water inlet end, the other end is water side and the inner housing for cavity, spring filter core is positioned at cavity, spring filter core comprises overhead gage, lower baffle plate, connecting rod and some springs, and one end of connecting rod is connected with overhead gage, and the other end is connected with lower baffle plate, one end of every root spring is all resisted against on overhead gage, and the other end is all resisted against on lower baffle plate.
Filter in said structure, adopts spring to filter as filter core, has filter area large, the advantages such as dirt-removing power is strong.But, when utilizing spring to filter as filter screen, due to the characteristic of spring itself, often having impurity and being attached on spring, or being clipped between spring, not too convenient when cleaning for this part impurity.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of filter core with variable gap backwash filter, can clean the impurity that is attached on filter screen by Automatic-expanding when backwash to facilitate.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of filter core with variable gap backwash filter, and its innovative point is: comprise
One valve body, has the cavity holding spool housing and install, has a liquid outlet in the upper center position of valve body in valve body, has the inlet be connected with cavity and the anti-row's mouth being positioned at the inlet left and right sides in valve body lower end;
One filter element shell, described filter element shell is installed in the cavity of valve body, and the upper end of filter element shell is connected with liquid outlet, and lower end is connected with inlet;
One element kit, described element kit is installed in filter element shell, comprise a skeleton, described skeleton is a hollow circular-tube structure, the circumferential surface of skeleton is evenly distributed with filter opening that the is several and intracavity inter-connection of skeleton, the bottom of described skeleton is provided with termination, be provided with one in the side that skeleton is positioned at termination and can cover whole termination and with termination by the fixing lower capping of screw, the lateral wall of the opposite side of skeleton is set with upper cover, described upper cover is fixed in filter element shell by mount pad, at the upper end madial wall of upper cover, there is an annular groove, at the upper end lateral wall of skeleton, there is a drive block corresponding with annular groove simultaneously, and this drive block can move up and down along annular groove, the circumferential outer surface of described skeleton is set with extension spring, the two ends of extension spring respectively with upper cover, lower capping is fixedly linked.
Further, the cavity one that described valve body content spool housing is installed has two, a filter element shell is separately installed with in these two cavitys, in the upper end of two filter element shells, all there is a leakage fluid dram, and the leakage fluid dram on two filter element shells was connected with the liquid outlet on valve body by a communicating pipe.
The invention has the advantages that: in the present invention, when anti-row, when clear water is entered in skeleton from liquid outlet, can be applied to the pressure that drive block one is downward, and this strand of pressure is greater than extension spring pulling force upwards, therefore can promote skeleton entirety descending, thus extension spring is pulled open gradually, increase the gap of extension spring, facilitate clear water to clear up the impurity in extension spring, and along with current outflow.
By the setting of two groups of core assemblies, under same time, effectively can improve the cleaning efficiency to the impurity in medium.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the filter core with variable gap backwash filter of the present invention.
Fig. 2 is the A portion enlarged diagram of Fig. 1.
Detailed description of the invention
Schematic diagram is as shown in Figure 1 known, and the filter core with variable gap backwash filter of the present invention comprises valve body 4, filter element shell 3 and element kit.
There are two cavitys holding spool housing 3 and install in valve body 4, in the upper center position of valve body 4, there is a liquid outlet 1, in the lower end of valve body 4, there is a pair symmetrically arranged inlet 8 be connected with cavity, there is in the left and right sides of inlet 8 an anti-row's mouth be connected with inlet 8 respectively.
Filter element shell 3 one has two, is installed in two cavitys of valve body 4 respectively, all has a leakage fluid dram 9 in the upper end of two filter element shells 3, and the leakage fluid dram 9 on two filter element shells 3 was connected with the liquid outlet 1 on valve body 4 by a communicating pipe 2.
Schematic diagram is as shown in Figure 2 known, element kit is installed in filter element shell 3, comprise a skeleton 7, skeleton 7 is a hollow circular-tube structure, the circumferential surface of skeleton 7 is evenly distributed with filter opening 6 that the is several and intracavity inter-connection of skeleton, in the bottom of skeleton 7, termination 12 is installed, be provided with one in the side that skeleton 7 is positioned at termination 12 and can cover whole termination 12 and with termination by the fixing lower capping 13 of screw, the lateral wall of the opposite side of skeleton 7 is set with upper cover 5, upper cover 5 is fixed in filter element shell 3 by mount pad 14, thus achieve the fixing of core assembly entirety.
At the upper end madial wall of upper cover 5, there is an annular groove, at the upper end lateral wall of skeleton 7, there is a drive block 11 corresponding with annular groove, and this drive block 11 can move up and down simultaneously along annular groove.
The circumferential outer surface of skeleton 7 is set with extension spring 6, and the two ends of extension spring 6 are fixedly linked with upper cover 5, lower capping 13 respectively.
Operation principle: when clearing up the impurity in extension spring 6, clear water flowed in two filter element shells 3 from liquid outlet 1 respectively through communicating pipe 2, clear water in filter element shell 3 can enter in skeleton 7, clear water is when carrying out in skeleton 7, the downward pressure that drive block 11 is certain can be applied to simultaneously, and this strand of downward pressure is greater than extension spring 6 pulling force upwards, thus skeleton 7 can be driven and be arranged on the lower capping 13 of skeleton 7 bottom descending, and it is fixed during upper cover 5, thus can will be arranged on upper cover 5, extension spring 6 between lower capping 13 stretches, gap between corresponding extension spring 6 will become large, impurity in extension spring 6 can be taken away by clear water easily.
The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (2)
1. with a filter core for variable gap backwash filter, it is characterized in that: comprise
One valve body, has the cavity holding spool housing and install, has a liquid outlet in the upper center position of valve body in valve body, has the inlet be connected with cavity and the anti-row's mouth being positioned at the inlet left and right sides in valve body lower end;
One filter element shell, described filter element shell is installed in the cavity of valve body, and the upper end of filter element shell is connected with liquid outlet, and lower end is connected with inlet;
One element kit, described element kit is installed in filter element shell, comprise a skeleton, described skeleton is a hollow circular-tube structure, the circumferential surface of skeleton is evenly distributed with filter opening that the is several and intracavity inter-connection of skeleton, the bottom of described skeleton is provided with termination, be provided with one in the side that skeleton is positioned at termination and can cover whole termination and with termination by the fixing lower capping of screw, the lateral wall of the opposite side of skeleton is set with upper cover, described upper cover is fixed in filter element shell by mount pad, at the upper end madial wall of upper cover, there is an annular groove, at the upper end lateral wall of skeleton, there is a drive block corresponding with annular groove simultaneously, and this drive block can move up and down along annular groove, the circumferential outer surface of described skeleton is set with extension spring, the two ends of extension spring respectively with upper cover, lower capping is fixedly linked.
2. the filter core with variable gap backwash filter according to claim 1, it is characterized in that: the cavity one that described valve body content spool housing is installed has two, a filter element shell is separately installed with in these two cavitys, in the upper end of two filter element shells, all there is a leakage fluid dram, and the leakage fluid dram on two filter element shells was connected with the liquid outlet on valve body by a communicating pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510605115.8A CN105107248B (en) | 2015-09-22 | 2015-09-22 | Filter element equipped with variably spaced reverse-washing filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510605115.8A CN105107248B (en) | 2015-09-22 | 2015-09-22 | Filter element equipped with variably spaced reverse-washing filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105107248A true CN105107248A (en) | 2015-12-02 |
| CN105107248B CN105107248B (en) | 2017-02-01 |
Family
ID=54655493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510605115.8A Active CN105107248B (en) | 2015-09-22 | 2015-09-22 | Filter element equipped with variably spaced reverse-washing filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105107248B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114733254A (en) * | 2022-03-30 | 2022-07-12 | 中核核电运行管理有限公司 | Filter element assembly for reducing residual hazardous medium radiation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2261286Y (en) * | 1996-09-10 | 1997-09-03 | 营口流体设备制造(集团)公司 | Filter with adjustable gaps |
| CN2281828Y (en) * | 1996-12-19 | 1998-05-20 | 营口流体设备制造(集团)公司 | Water filter with regulatable filter gas |
| KR100722255B1 (en) * | 2005-08-19 | 2007-05-31 | 전광수 | thickening filter |
| CN203842372U (en) * | 2014-05-09 | 2014-09-24 | 中芯国际集成电路制造(北京)有限公司 | Self-cleaning fitter |
| CN204973250U (en) * | 2015-09-22 | 2016-01-20 | 南通朗高石化设备有限公司 | Filter core with variable gap back flush filter |
-
2015
- 2015-09-22 CN CN201510605115.8A patent/CN105107248B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2261286Y (en) * | 1996-09-10 | 1997-09-03 | 营口流体设备制造(集团)公司 | Filter with adjustable gaps |
| CN2281828Y (en) * | 1996-12-19 | 1998-05-20 | 营口流体设备制造(集团)公司 | Water filter with regulatable filter gas |
| KR100722255B1 (en) * | 2005-08-19 | 2007-05-31 | 전광수 | thickening filter |
| CN203842372U (en) * | 2014-05-09 | 2014-09-24 | 中芯国际集成电路制造(北京)有限公司 | Self-cleaning fitter |
| CN204973250U (en) * | 2015-09-22 | 2016-01-20 | 南通朗高石化设备有限公司 | Filter core with variable gap back flush filter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114733254A (en) * | 2022-03-30 | 2022-07-12 | 中核核电运行管理有限公司 | Filter element assembly for reducing residual hazardous medium radiation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105107248B (en) | 2017-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102784504B (en) | Automatic backwashing system in filtering device with multi filter drums | |
| CN105107243B (en) | Variable-gap reverse-washing filter | |
| CN204395586U (en) | Vertical filter unit | |
| CN105822285A (en) | Novel oil exploitation sand filtering device | |
| CN105107248A (en) | Filter element equipped with variably spaced reverse-washing filter | |
| CN204973250U (en) | Filter core with variable gap back flush filter | |
| CN203075724U (en) | Quick-mounted filter core type filter net | |
| CN204973235U (en) | Variable gap back flush filter | |
| CN203577434U (en) | Washable high-efficiency high-quality firm conical filter | |
| CN203139759U (en) | Electric multi-cartridge backwashing filter sieve | |
| CN205683681U (en) | A kind of Oleum Camelliae defecator being easy to clean | |
| CN202315489U (en) | Backwashing precision water filter | |
| CN205109167U (en) | Active filter is used in oil -field flooding | |
| CN201389372Y (en) | Spiral reinforced filter element | |
| CN104001352A (en) | Backwashing loose filter | |
| CN209076157U (en) | A kind of petroleum dross filtering device | |
| CN206008170U (en) | One kind is convenient for changing filter cartridge type filter | |
| CN205649908U (en) | Quick -open type liquid filter | |
| CN204973244U (en) | Variable gap back flush filter insert structure | |
| CN108261832B (en) | Filter core replacement structure without cutoff | |
| CN205714152U (en) | Nonpetroleum exploitation filtering sand apparatus | |
| CN204619488U (en) | A kind of liquid oil-well cement filtrate reducer filter | |
| CN218166354U (en) | Filter element assembly structure for improving dust removal and filtering effects | |
| CN221131241U (en) | Double-filter-screen back-flushing pre-filter | |
| CN206631292U (en) | A kind of water filtering system for tungsten bar production line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210716 Address after: 226200 No.66 jingling Road, Huilong Town, Qidong City, Nantong City, Jiangsu Province Patentee after: NANTONG LANGGAO PETROCHEMICAL EQUIPMENT Co.,Ltd. Patentee after: SHENYANG BRANCH OF CHINA NATIONAL PETROLEUM CORPORATION NORTHEAST REFINING & CHEMICAL ENGINEERING Co.,Ltd. Address before: 226000 No.66 jingling Road, Qidong City, Nantong City, Jiangsu Province Patentee before: NANTONG LANGGAO PETROCHEMICAL EQUIPMENT Co.,Ltd. |