CN112023480B - Preposed pressure-stabilizing back-flushing filter - Google Patents
Preposed pressure-stabilizing back-flushing filter Download PDFInfo
- Publication number
- CN112023480B CN112023480B CN202010892435.7A CN202010892435A CN112023480B CN 112023480 B CN112023480 B CN 112023480B CN 202010892435 A CN202010892435 A CN 202010892435A CN 112023480 B CN112023480 B CN 112023480B
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- Prior art keywords
- filter membrane
- shell
- pressure
- stabilizing
- filter
- 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.)
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Links
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 239000012528 membrane Substances 0.000 claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000011045 prefiltration Methods 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000004880 explosion Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 229910021654 trace metal Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
- B01D29/23—Supported filter elements arranged for outward 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Abstract
The invention discloses a preposed pressure-stabilizing back-flushing filter, which belongs to the technical field of central water distribution and comprises a filtering cavity, a filter membrane, a threaded port, a pressure relief hole, a sealing column and a stop valve, wherein the filter membrane for purifying water is arranged in the middle of a shell, the filtering cavity is arranged on the outer side of the filter membrane, the threaded port is arranged below the filter membrane, the pressure relief hole is arranged on the thread of the threaded port, the sealing column for sealing the filter membrane is arranged below the threaded port, the stop valve for stabilizing pressure is arranged on the right side of the shell, a base is arranged below the filter membrane, the sealing column is fixedly arranged on the base, and a drain hole is formed in the bottom of the base. According to the invention, the sealing column and the shutoff valve are arranged on the pre-filter, so that the water hammer effect generated during back flushing cleaning of the filter can be effectively reduced, and water leakage and pipe explosion caused by damage of a connecting pipe due to water hammer are prevented.
Description
Technical Field
The invention relates to the technical field of central water distribution, in particular to a preposed pressure-stabilizing backflushing filter.
Background
The central water distribution system is a water distribution device which connects indoor water household appliances together through a water distribution pipeline and plays a role in stabilizing flow and keeping constant temperature, and in the installation process of the water distribution device, firstly, the indoor water source is required to be pretreated, so that impurities and trace metal elements contained in water are prevented from blocking and corroding the pipeline, the service life of the water household appliances is influenced, and therefore, a pre-filter can be installed at the water source to preliminarily purify the water source.
At present, the preposed filter on the market has a backflushing function, namely, the inside of the filter is automatically cleaned through water pressure, impurities are prevented from being accumulated in a filter membrane of the filter, but the opening and the closing of a water valve can be involved in the backflushing process, the water hammer effect can be caused, the water hammer effect means that when the opened valve is suddenly closed or the closed valve is suddenly opened, water flow can generate shock waves under the inertia effect to damage the valve and a water pump, when the backflushing is carried out, the water flow can damage a pipeline connection part and the water valve, the water leakage and the breakage of the connection pipe can be caused after the repeated use, and the filter with poor materials can be directly burst to collapse.
Therefore, it is desirable to provide a pre-stabilized backflushing filter, which aims to solve the above problems.
Disclosure of Invention
In view of the shortcomings in the prior art, an embodiment of the present invention provides a front-mounted constant-pressure backflushing filter to solve the above problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a leading steady voltage recoil filter, includes the filter membrane that strains chamber, filter membrane, screw thread mouth, pressure release hole, sealed post and stop valve, and wherein the filter membrane that is used for the water purification is installed in the middle part of casing, and the outside of filter membrane is provided with strains the chamber, and the filter membrane below is provided with the screw thread mouth, is provided with the pressure release hole on the screw thread of screw thread mouth, and the screw thread mouth below is provided with the sealed post that is used for sealed filter membrane, and the right side of casing is provided with the stop valve that is used for the steady voltage.
As a further scheme of the invention, the left side of the shell is provided with a water inlet interface, the right side of the water inlet interface is provided with a water inlet pipe, and the water inlet interface is connected with the shell through the water inlet pipe.
As a further scheme of the invention, the right side of the water inlet pipe is connected with the filter membrane, a base is arranged below the filter membrane, a sealing column is fixedly arranged on the base, and a drain hole is formed in the bottom of the base.
As a further scheme of the invention, an opening and closing ring is arranged above the shutoff valve, a limit sleeve is arranged between the opening and closing ring and the shell, and the opening and closing ring is arranged in the shell through the limit sleeve.
As a further scheme of the invention, a threaded column is connected below the open-close ring, and a shutoff valve is arranged on the outer side of the threaded column.
As a further scheme of the invention, the inner wall of the shutoff valve is provided with a threaded hole, the threaded column is connected with the shutoff valve through the threaded hole, and the shutoff valve is in sliding fit with the shell.
As a further scheme of the invention, the right side of the shutoff valve is connected with a drainage interface.
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
according to the invention, the sealing column and the shutoff valve are arranged on the pre-filter, so that the water hammer effect generated during back flushing cleaning of the filter can be effectively reduced, and water leakage and pipe explosion caused by damage of a connecting pipe due to water hammer are prevented.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the invention.
FIG. 2 is a schematic structural diagram of a sealing post according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a shutoff valve in an embodiment of the invention.
Fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.
Reference numerals: 1-shell, 2-water inlet interface, 3-water inlet pipe, 4-filtering cavity, 5-filter membrane, 6-screw thread port, 7-pressure relief hole, 8-base, 9-sealing column, 10-water outlet hole, 11-water outlet pipe, 12-spacing sleeve, 13-flange, 14-open and close ring, 15-screw thread column, 16-shutoff valve, 17-screw hole, 18-water outlet interface, 19-clamping groove, 20-filter membrane shell and 21-screw thread end.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Example 1
Referring to fig. 1 to 3, a preposed pressure stabilizing back-flushing filter comprises a filtering cavity 4, a filter membrane 5, a threaded port 6, a pressure relief hole 7 sealing column 9 and a shutoff valve 16, wherein the filter membrane 5 for purifying water is arranged in the middle of a shell 1, the filtering cavity 4 is arranged on the outer side of the filter membrane 5, the threaded port 6 is arranged below the filter membrane 5, the pressure relief hole 7 is arranged on the thread of the threaded port 6, the sealing column 9 for sealing the filter membrane 5 is arranged below the threaded port 6, and the shutoff valve 16 for stabilizing pressure is arranged on the right side of the shell 1.
The left side of a shell 1 is provided with a water inlet interface 2, the right side of the water inlet interface 2 is provided with a water inlet pipe 3, the water inlet interface 2 is connected with the shell 1 through the water inlet pipe 3, the right side of the water inlet pipe 3 is connected with a filter membrane 5, a base 8 is arranged below the filter membrane 5, a sealing column 9 is fixedly arranged on the base 8, a drain hole 10 is formed in the bottom of the base 8, an opening and closing ring 14 is arranged above a shutoff valve 16, a limiting sleeve 12 is arranged between the opening and closing ring 14 and the shell 1, the opening and closing ring 14 is arranged inside the shell 1 through the limiting sleeve 12, a threaded column 15 is connected below the opening and closing ring 14, the outer side of the threaded column 15 is provided with the shutoff valve 16, the inner wall of the shutoff valve 16 is provided with a threaded hole 17, the threaded column 15 is connected with the shutoff valve 16 through the threaded hole 17, the shutoff valve 16 is in sliding fit with the shell 1, and the right side of the shutoff valve 16 is connected with a water drainage interface 18.
The working principle of the invention is as follows: when the device is used for purifying a water source, the device is firstly arranged on a water source pipeline, a water inlet port 2 at the left side is connected with a water pipe, a water outlet port 18 at the right side is connected with a central water distribution device, when the device works, the water source firstly enters the shell 1 from a water inlet pipe 3 and passes through a filter membrane 5 to enter a filtering cavity 4, solid impurities and trace metal sediments contained in the water source are blocked by the filter membrane 5 and are gathered above a sealing column 9, the purified water source passes through a water outlet pipe 11, passes through a cut-off valve 16 to reach the water outlet port and is conveyed to the central water distribution device, when the prefilter needs to be cleaned, an open-close ring 14 at the right side of the device is firstly rotated, the open-close ring 14 drives the cut-off valve 16 to slowly move downwards in the shell 1 through a threaded column 15, and the cut-off valve 16 is gradually clamped downwards, the water source is disconnected from the drainage interface 18, then the base 8 below the shell 1 is rotated, the sealing column 9 is rotated downwards, the sealing column 9 moves downwards, and simultaneously, the water source flows out from the pressure relief hole 7 and flows out from the drainage hole 10 at the bottom of the base 8, when the base 8 is completely taken down, impurities and particles inside the filter membrane 5 are all discharged from the lower part of the filter membrane 5, after cleaning is completed, the base 8 is screwed upwards, and the cut-off valve 16 on the right side is opened.
The advantage of this embodiment is that by installing the sealing post 9 and the cut-off valve 16 on the pre-filter, the water hammer effect generated when the filter is backflushed and cleaned can be effectively reduced, and the water hammer is prevented from damaging the connecting pipe to cause water leakage and pipe explosion.
Example 2
Referring to fig. 4, a front-located pressure-stabilizing back-flushing filter has a main structure similar to that of embodiment 1, and is improved in a filter membrane 5, wherein a clamping groove 19 is installed at the end of a water inlet pipe 3, the filter membrane 5 is installed on a filter membrane shell 20, a threaded end 21 is arranged between the filter membrane shell 20 and a housing 1, and the filter membrane shell 20 is fixed on the housing 1 through the threaded end 21.
The working principle of the invention is as follows: when filter membrane 5 needs to be replaced, base 8 is firstly removed from the lower side, then filter membrane shell 20 is screwed out from the interior of shell 1, filter membrane 5 is replaced, filter membrane shell 20 is inserted into the shell after replacement is completed, the top of filter membrane shell 20 is clamped in clamping groove 19, threaded end 21 is screwed, base 8 is screwed upwards, and filter membrane 5 replacement is completed.
The advantage of this embodiment is that the filter membrane 5 can be regularly cleaned and replaced by the detachable filter membrane housing 20, greatly increasing the service life of the pre-filter.
In the description of the present invention, it is to be understood that the terms "left side", "bottom", "right side", "top", "upper", "one side", "inner", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be used for communicating the inside of two elements or interacting relation of two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention may be understood by those skilled in the art according to specific situations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A preposed pressure-stabilizing back-flushing filter, which comprises a filtering cavity (4), a filter membrane (5), a threaded port (6), a pressure relief hole (7), a sealing column (9) and an intercepting valve (16), it is characterized in that a filter membrane (5) for purifying water is arranged in the middle of the shell (1), the shell (1) is communicated with a water inlet pipe (3) of a water source, a filtering cavity (4) is arranged outside the filter membrane (5), so that the water source passes through the filter membrane (5) and then enters the filtration cavity (4), a threaded opening (6) is arranged below the filter membrane (5), a pressure relief hole (7) is arranged on the thread of the threaded opening (6), a sealing column (9) for sealing the filter membrane (5) is arranged below the threaded opening (6), so that the water source flows out from the pressure relief hole (7) in the rotating process of the sealing column (9), the right side of the shell (1) is provided with a cut-off valve (16) for stabilizing pressure.
2. The front-mounted pressure-stabilizing backflushing filter according to claim 1, wherein a water inlet connector (2) is arranged on the left side of the shell (1), a water inlet pipe (3) is mounted on the right side of the water inlet connector (2), and the water inlet connector (2) is connected with the shell (1) through the water inlet pipe (3).
3. The front-mounted pressure-stabilizing backflushing filter according to claim 2, wherein the right side of the water inlet pipe (3) is connected with a filter membrane (5), a base (8) is arranged below the filter membrane (5), a sealing column (9) is fixedly arranged on the base (8), and a drain hole (10) is formed in the bottom of the base (8).
4. The front-mounted pressure-stabilizing backflushing filter according to claim 1, characterized in that an open-close ring (14) is arranged above the shutoff valve (16), a limit sleeve (12) is arranged between the open-close ring (14) and the shell (1), and the open-close ring (14) is installed inside the shell (1) through the limit sleeve (12).
5. The front pressure-stabilizing backflushing filter according to claim 4, characterized in that a threaded column (15) is connected below the open-close ring (14), and a shutoff valve (16) is arranged on the outer side of the threaded column (15).
6. The front-mounted pressure-stabilizing backflushing filter according to claim 5, characterized in that the inner wall of the shutoff valve (16) is provided with a threaded hole (17), the threaded column (15) is connected with the shutoff valve (16) through the threaded hole (17), and the shutoff valve (16) is in sliding fit with the shell (1).
7. The front pressure-stabilizing backflushing filter according to claim 6, characterized in that a drain port (18) is connected to the right side of the shutoff valve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010892435.7A CN112023480B (en) | 2020-08-31 | 2020-08-31 | Preposed pressure-stabilizing back-flushing filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010892435.7A CN112023480B (en) | 2020-08-31 | 2020-08-31 | Preposed pressure-stabilizing back-flushing filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112023480A CN112023480A (en) | 2020-12-04 |
| CN112023480B true CN112023480B (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010892435.7A Active CN112023480B (en) | 2020-08-31 | 2020-08-31 | Preposed pressure-stabilizing back-flushing filter |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970061315A (en) * | 1996-02-06 | 1997-09-12 | 김광호 | Pressure pump fixing device of water purifier |
| CN106422461A (en) * | 2016-12-07 | 2017-02-22 | 南京菲时特实业有限公司 | Reverse washing prefilter |
| CN205990292U (en) * | 2016-08-18 | 2017-03-01 | 宁夏嘉适源居室环境工程有限公司 | A kind of central authorities soft water cleaning system |
| CN206089084U (en) * | 2016-10-19 | 2017-04-12 | 菲索测量控制技术(苏州)有限公司 | Leading water distribution center |
| CN110743218A (en) * | 2019-10-16 | 2020-02-04 | 河北中创惠浓科技发展有限公司 | Farmland intelligent irrigation control system and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE19917567A1 (en) * | 1999-04-19 | 2000-11-02 | Brueninghaus Hydromatik Gmbh | Filter device with a detachable fiter housing |
| CN2486820Y (en) * | 2001-06-04 | 2002-04-17 | 梁启良 | Pipeline filter |
| CN203971553U (en) * | 2014-05-19 | 2014-12-03 | 沈友岚 | Self-cleaning fore filter and cleaning apparatus for self thereof |
| CN105126415A (en) * | 2015-08-25 | 2015-12-09 | 浙江沁园水处理科技有限公司 | Prefilter with self-cleaning function and cleaning device of prefilter |
| CN109027340A (en) * | 2018-09-28 | 2018-12-18 | 盐城欧润石化设备制造有限公司 | A kind of one-way cock |
| CN110787507A (en) * | 2019-07-29 | 2020-02-14 | 台州振荣阀门有限公司 | Wash leading filter of blowdown fast |
| CN110812919A (en) * | 2019-12-01 | 2020-02-21 | 郑水芝 | Backwashing device for sewage treatment equipment |
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2020
- 2020-08-31 CN CN202010892435.7A patent/CN112023480B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970061315A (en) * | 1996-02-06 | 1997-09-12 | 김광호 | Pressure pump fixing device of water purifier |
| CN205990292U (en) * | 2016-08-18 | 2017-03-01 | 宁夏嘉适源居室环境工程有限公司 | A kind of central authorities soft water cleaning system |
| CN206089084U (en) * | 2016-10-19 | 2017-04-12 | 菲索测量控制技术(苏州)有限公司 | Leading water distribution center |
| CN106422461A (en) * | 2016-12-07 | 2017-02-22 | 南京菲时特实业有限公司 | Reverse washing prefilter |
| CN110743218A (en) * | 2019-10-16 | 2020-02-04 | 河北中创惠浓科技发展有限公司 | Farmland intelligent irrigation control system and control method thereof |
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| CN112023480A (en) | 2020-12-04 |
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Effective date of registration: 20211214 Address after: 201607 No. 10, Lane 517, Xinbo Road, Maogang Town, Songjiang District, Shanghai Applicant after: SHANGHAI HUAPAN CHEMICAL TECHNOLOGY CO.,LTD. Address before: 311800 No.32, Central Road, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Applicant before: ZHEJIANG JUFENG PIPE INDUSTRY Co.,Ltd. |
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