CN201618460U - Air pressure type backwash filter - Google Patents
Air pressure type backwash filter Download PDFInfo
- Publication number
- CN201618460U CN201618460U CN2010201169851U CN201020116985U CN201618460U CN 201618460 U CN201618460 U CN 201618460U CN 2010201169851 U CN2010201169851 U CN 2010201169851U CN 201020116985 U CN201020116985 U CN 201020116985U CN 201618460 U CN201618460 U CN 201618460U
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- filter
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- storing cavity
- air storing
- storage cavity
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Abstract
The utility model relates to the field of water purification. The filter comprises a filter water storage tank, a filter element, a raw water inlet, an impurity discharge opening, a filter clean water outlet, an air storage cavity, a clean water inlet of the air storage cavity and a clean water outlet of the air storage cavity. In the air pressure type backwash filter, one pressure resistant air storage cavity is communicated with the clean water outlet of the filter water storage tank, and one clean water inlet of the air storage cavity and one clean water outlet of the air storage cavity are respectively arranged on the bottom of the air storage cavity. The impurity discharge opening is opened, and the pressure of air in the air storage cavity is higher than the pressure in the filter element, so clean water in the air storage cavity washes back to the filter element. Impurities blocked in the filter holes of the filter element are washed off or squeezed out by the water flowing through the filter holes, the impurities are discharged from the impurity discharge opening, and filter element dredging effect is realized. The utility model is not only suitable for domestic water purifiers filtering by utilizing water pressure, but also is adaptable to the backwash of industrial and running water filter elements. Complicated backwash operation means are not required. The operation is simple and convenient.
Description
Technical field
The utility model relates to the water field of purification.
Background technology
Produce at present, live and all adopt various filters that water is carried out purified treatment with clean water.That can see have impurity and microorganism and a bacterium in the multistage difference in functionality filter element filtering water, even biochemical treatment water quality is also arranged.The quality at water source comes from running water, and preferably in the running water, the operable time is longer in water quality for filter core; In the relatively poor running water of water quality, the useful life of filter core is just very of short duration.In order to improve the useful life of filter core, the product of backwash effect is all got by many manufacturing enterprises, the filter area of the increasing filter core that also has.Can look into the backwash that the water purifier of so-called back flush type all can not be truly according to data: what have is exactly cleaning with the filter table surface layer of membrane type filter core, and the impurity in the micropore that filters almost is indelible.Also useful in addition former water (pure water of filtered) comes backwash, also the water that contains impurity might be flowed out to the user on the contrary and drink, and does not reach backwashing function truly.The same deficiency that exists of " a kind of cross flow back-flushing household water purifier " that also has a patent to mention.The hydraulic pressure of its described withstand voltage storage tank is actually infeasible to the recoil that filter core rose of filter, because water is incompressible material, just do not exist the possibility that filter core is cleaned in bigger recoil strength and recoil yet, equally fail to reach backwash truly yet.
The patent of invention content
The utility model is exactly a kind of device that solves the filter element backwash, and it can be installed on any a filter and use, and also can fuse with filter.Can be according to the different back purge systems of crossing filter core configuration different size model, reach filter element backwashing function truly, and guarantee not influence the quality of original filtration, only need the filtration of one-time-reach-place, need not multistage filtering, improve the useful life of filter core.The filter core that is disposed can be accomplished smaller and more exquisite, the trouble that has significantly reduced the expense that more renew cartridge increased and brought; And it is easy for installation, quick.The user cleans filter core needn't ask the professional, can discharge the purpose that impurity in the filter core micropore and microbial bacterial etc. reach the backwash filter core in daily water utilizing process.Do not influence simultaneously the function of the further biochemical treatment of water purification yet.The utility model technology is not only applicable to the household water filter by the hydraulic drives filtration, simultaneously applicable to the industrial and backwash running water filter filter core.
The utility model is achieved through the following technical solutions:
Pneumatic backwashing filter of the present utility model comprises: filter water tank, filter core, raw water inlet, impurity discharge outlet, filter water purification delivery port, air storing cavity, air storing cavity water purification water inlet, air storing cavity water purification delivery port.
Pneumatic backwashing filter of the present utility model is to be communicated with the air storing cavity that energy is withstand voltage at the water purification delivery port place of filter water tank, and an air storing cavity water purification water inlet and an air storing cavity water purification delivery port are arranged at the air storing cavity bottom.
In the described filter water tank filter core is arranged, water tank is passed in the upper end of filter core a raw water inlet; Water tank is passed in the lower end of filter core an impurity discharge outlet, and the bore of impurity discharge outlet is greater than the bore of raw water inlet; One filter water purification delivery port is arranged on the filter water tank.
Described air storing cavity is an airtight air storing cavity that can bear greater than hydraulic pressure.The volume of air storing cavity is greater than the volume of filter.Described air storing cavity water purification water inlet and air storing cavity water purification delivery port all are arranged on the bottom of air storing cavity, and air storing cavity water purification water inlet communicates with filter water purification delivery port.
The utility model Pneumatic backwashing filter need not loaded down with trivial details backwash operation means, and is simple and convenient; And filter core can do very small and exquisitely, and filter efficiency improves greatly, is automatic backwashing filter truly.
Described air storing cavity also may be superimposed on the filter water tank and forms an integral body, and filter core is arranged on whole lower end.
Description of drawings
Fig. 1, Fig. 3 are product structure figure of the present utility model.
Fig. 2, Fig. 4 are backwash view of the present utility model.
Figure number explanation: 1 filter water tank, 2 filter cores, 3 raw water inlets, 4 impurity discharge outlet, 5 filter water purification delivery ports, 6 air storing cavities, 7 air storing cavity water purification water inlets, 8 air storing cavity water purification delivery ports
The specific embodiment
The existing accompanying drawings and the specific embodiment further specify the utility model.
Shown in Fig. 1,3, raw water inlet (3) inserts water supply pipe, and running water enters filter water tank (1) to filter core (2), sees through filter core (2) filter opening and enters filter water tank (1), and impurity is blocked in the filter core (2) or is blocked in the filter opening; Water purification inflow filter water tank (1) flows into air storing cavity (6) from the air storing cavity water purification water inlet (7) of air storing cavity (6) bottom again; Air storing cavity water purification delivery port (8) is also in the bottom of air storing cavity (6), and the gas in the air storing cavity (6) can not be discharged; Hydraulic pressure raising along with running water is pressed into water purification in the air storing cavity (6), and the gas of air storing cavity (6) is compressed, until equating with tap water pressure; When needing to use water purification, open the air storing cavity water purification delivery port (8) of air storing cavity (6), water purification just flows out air storing cavity (6).Former water replenishes the water yield that air storing cavity (6) flows out simultaneously along with the pressure of running water;
Shown in Fig. 2,4, under the situation that air storing cavity water purification delivery port (8) is closed, air storing cavity (6) all bears identical tap water pressure with filter water tank (1) inner chamber; As when need not to use water purification, open impurity discharge outlet (4), the impurity in the filter core (2) is along with current are discharged; Because raw water inlet (3) bore is less than impurity discharge outlet (4) bore, pressure in the filter core (2) fails in time to replenish so produce pressure reduction, at this moment, the gas pressure in the air storing cavity (6) therefore recoils the water purification in the air storing cavity (6) to filter core (2) greater than the pressure in the filter core (2); See through filter core (2) filter opening and dash or extrude the impurity that stops up in the filter opening, impurity is discharged the effect that plays mediation filter core (2) with impurity discharge outlet (4).
Claims (5)
1. Pneumatic backwashing filter is characterized in that: filter water tank, filter core, raw water inlet, impurity discharge outlet, filter water purification delivery port, air storing cavity, air storing cavity water purification water inlet, air storing cavity water purification delivery port.
2. Pneumatic backwashing filter according to claim 1 is characterized in that: be to be communicated with the air storing cavity that energy is withstand voltage at the water purification delivery port place of filter water tank, an air storing cavity water purification water inlet and an air storing cavity water purification delivery port are arranged at the air storing cavity bottom.
3. Pneumatic backwashing filter according to claim 1 is characterized in that: water tank is passed in the lower end of filter core an impurity discharge outlet, and the bore of impurity discharge outlet is greater than the bore of raw water inlet.
4. Pneumatic backwashing filter according to claim 1 is characterized in that: air storing cavity is an airtight air storing cavity that can bear greater than hydraulic pressure, and the volume of air storing cavity is greater than the volume of filter.
5. Pneumatic backwashing filter according to claim 1 is characterized in that: air storing cavity water purification water inlet and air storing cavity water purification delivery port all are arranged on the bottom of air storing cavity, and air storing cavity water purification water inlet communicates with filter water purification delivery port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201169851U CN201618460U (en) | 2010-01-28 | 2010-01-28 | Air pressure type backwash filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201169851U CN201618460U (en) | 2010-01-28 | 2010-01-28 | Air pressure type backwash filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201618460U true CN201618460U (en) | 2010-11-03 |
Family
ID=43021916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201169851U Expired - Lifetime CN201618460U (en) | 2010-01-28 | 2010-01-28 | Air pressure type backwash filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201618460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469447A (en) * | 2017-08-03 | 2017-12-15 | 山东省地质矿产勘查开发局第二水文地质工程地质大队 | Filter cleaning process and equipment for slowing down geothermal recharge blockage |
-
2010
- 2010-01-28 CN CN2010201169851U patent/CN201618460U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469447A (en) * | 2017-08-03 | 2017-12-15 | 山东省地质矿产勘查开发局第二水文地质工程地质大队 | Filter cleaning process and equipment for slowing down geothermal recharge blockage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: KST (Xiamen) Water-saving Facilities Co., Ltd. Assignor: Xiamen Qiying Environmental Protection Technology Co.,Ltd. Contract record no.: 2012350000102 Denomination of utility model: Pneumatic backwashing filter Granted publication date: 20101103 License type: Exclusive License Record date: 20120925 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101103 |
|
| CX01 | Expiry of patent term |