CN202833439U - Ultrasonic cleaning filter and hydraulic system and engineering machinery - Google Patents
Ultrasonic cleaning filter and hydraulic system and engineering machinery Download PDFInfo
- Publication number
- CN202833439U CN202833439U CN201220474191.1U CN201220474191U CN202833439U CN 202833439 U CN202833439 U CN 202833439U CN 201220474191 U CN201220474191 U CN 201220474191U CN 202833439 U CN202833439 U CN 202833439U
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- Prior art keywords
- filter screen
- filter
- ultrasonic cleaning
- transducer
- ultrasonic
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- 238000004506 ultrasonic cleaning Methods 0.000 title claims abstract description 45
- 238000004891 communication Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 abstract description 19
- 239000012535 impurity Substances 0.000 abstract description 15
- 238000004140 cleaning Methods 0.000 abstract description 14
- 239000007788 liquid Substances 0.000 abstract description 14
- 238000001914 filtration Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000002604 ultrasonography Methods 0.000 description 17
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000002955 isolation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000725 suspension 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
- B01D29/62—Regenerating the filter material in the filter
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model provides an ultrasonic cleaning filter, a filter cartridge is installed on a valve block, a filter screen is installed inside the filter cartridge, an inlet and an outlet are formed in the valve block, and a transducer is fixed at the outer portion of the valve block and transmits energy to a launching head which is inserted into the filter screen. The utility model further provides a hydraulic system and engineering machinery. The transducer is fixed on the outer portion of the valve block and separated from liquid medium so that normal use of transducer is ensured. The launching head is inserted into the filter screen so that the launched ultrasonic is directly launched on the filter screen, power loss in the process of ultrasonic transmission is reduced, adhesion of impurities on the filter screen is decreased, thereby pressure loss of the filter is reduced, flow capacity of the filter screen is improved, meanwhile the filter screen is prevented from damaging by the traditional cleaning method, service life of the filter screen is prolonged, filtering and cleaning are simultaneously conducted, maintenance frequency of the ultrasonic cleaning filter is reduced, operation is simple and convenient and production efficiency is improved.
Description
Technical field
The utility model relates to the hydraulic equipment field, in particular to a kind of ultrasonic cleaning filter, hydraulic system and engineering machinery.
Background technique
Filter is requisite element in any hydraulic system, Main Function is to filter, to ensure the cleaning of liquid medium, because the pollution of liquid medium, filter extremely easily stops up, and must safeguard filter frequently, and because impurity sticks on the filter screen gradually, the pressure loss of filter increases, and through-current capability reduces, and is very large on whole hydraulic system impact.
In the face of above problem, general solution has two kinds:
1. filter screen is taken out and carry out special cleaning or more renew filter screen;
2. by backwash filter screen is cleaned.
Above two kinds of solutions mainly contain following shortcoming:
1. filter screen is cleaned or more renew filter screen and take time and effort, increased the filter service cost, reduced manufacturing efficiency;
2. filter screen can adhere to a large amount of impurity, by backwash filter screen is cleaned and can not rinse out a large amount of impurity, and cleaning performance can not meet the demands, and does not solve the difficult problem of filtering.
Therefore, need a kind of filter of design badly, be convenient to the filter screen of filter is cleaned, and make the filter screen that cleaned satisfy the filtration requirement, reduce simultaneously the maintenance cost of filter, do not affect manufacturing efficiency.
The model utility content
For solving the problems of the technologies described above, the utility model provides a kind of ultrasonic cleaning filter, and emitting head stretches into filter screen inside, make the ultrasound of emission directly act on filter screen, reduce the adhesive force of impurity on the filter screen, reduce pressure drop, promote the through-current capability of filter screen; Make to filter with cleaning and carry out simultaneously, reduce the filter service frequency.In addition, the utility model also provides a kind of hydraulic system and a kind of engineering machinery.
The utility model provides a kind of ultrasonic cleaning filter, comprise the valve piece, filter cylinder and filter screen, described filter cylinder is installed on the described valve piece, described filter screen is installed in described cartridge interior, form cavity volume between described filter cylinder inwall and the described filter screen outer wall, be provided with entrance and exit on the described valve piece, described ultrasonic cleaning filter also comprises ultrasonic apparatus, described ultrasonic apparatus comprises transducer and emitting head, it is outside that described transducer is fixed on described valve piece, and described transducer delivers power to described emitting head, and it is inner that described emitting head stretches into described filter screen, described entrance is communicated with described cavity volume, the internal communication of described outlet and described filter screen; Or, the internal communication of described entrance and described filter screen, described outlet is communicated with described cavity volume.
In this technological scheme, outside by transducer being fixed on the valve piece, make the isolation of transducer and liquid medium, guaranteed the normal use of transducer; Emitting head stretches into filter screen inside, make the ultrasound of emission directly act on filter screen, reduced the power loss in the ultrasound transmittance process, reduced the adhesive force of impurity on the filter screen, reduced the pressure loss of filter, promote the through-current capability of filter screen, avoided simultaneously the damage of conventional clean mode to filter screen, prolonged the working life of filter screen; Filter with cleaning and carry out simultaneously, reduced the frequency of maintenance of filter, easy and simple to handle, improved manufacturing efficiency; When entrance is communicated with cavity volume, outlet then with the internal communication of filter screen; During the internal communication of entrance and filter screen, outlet then is communicated with described cavity volume, all can satisfy the filtration usage requirement of filter by these two kinds of mode of communicating.
In technique scheme, preferably, described ultrasonic cleaning filter also comprises adpting flange, and described transducer is connected and transferring energy by described adpting flange with described emitting head, and described adpting flange is fixedly connected with described valve piece.
In this technological scheme, adpting flange is fixedly connected with the valve piece, and transducer is fixedly connected with by adpting flange with emitting head, has promoted the global stability of this ultrasonic cleaning filter, adpting flange can transmit the energy of transducer to emitting head, has guaranteed the normal operation of ultrasonic apparatus.
In technique scheme, preferably, be provided with seal arrangement between described adpting flange and the described valve piece.
In this technological scheme, be provided with seal arrangement between adpting flange and the valve piece, avoided the leakage of liquid medium, promoted the overall tightness of this ultrasonic cleaning filter.
In technique scheme, preferably, described ultrasonic cleaning filter also comprises ultrasonic transformer, and described ultrasonic transformer is arranged between described transducer and the described adpting flange; Or described ultrasonic transformer is arranged between described adpting flange and the described emitting head.
In this technological scheme, can change ultrasound sounding power by increasing ultrasonic transformer, to adapt to the workplaces such as different liquid mediums, filter screen kind and strainer filtering precision, strengthened the applicability of this ultrasonic cleaning filter.
In technique scheme, preferably, described ultrasonic cleaning filter also comprises end cap, and described end cap is installed on the described filter cylinder.
In this technological scheme, end cap plays fixation to the filter screen in the filter cylinder, and this end cap also plays seal action simultaneously.
In technique scheme, preferably, comprise the pollution discharge joint that is installed on the described end cap, the internal communication of described pollution discharge joint and described filter screen; Or described pollution discharge joint is communicated with described cavity volume.
In this technological scheme, when entrance is communicated with cavity volume, during the internal communication of outlet and filter screen, pollution discharge joint then is communicated with cavity volume; When the internal communication of entrance and filter screen, when outlet is communicated with cavity volume, pollution discharge joint then with the internal communication of filter screen, this pollution discharge joint is connecting ball valve simultaneously, can regularly impurity be discharged by opening ball valve, simple to operation, make this ultrasonic cleaning filter remain efficient filter capacity.
In technique scheme, preferably, be provided with the bevelled dish-shaped body of a plurality of tools on the described emitting head.
In this technological scheme, be provided with the bevelled dish-shaped body of a plurality of tools on the emitting head, increased the working surface of ultrasound emission, make the ultrasound of emission comprehensively be covered to filter screen, promoted the cleaning performance of ultrasonic cleaning filter.
In technique scheme, preferably, the length that described emitting head stretches into described filter screen inside is not less than 2/3 of described filter screen longitudinal length.
In this technological scheme, the length that emitting head stretches into filter screen inside is not less than 2/3 of filter screen longitudinal length, has guaranteed that the ultrasound of emitting head emission can comprehensively be covered to filter screen, thereby has promoted the cleaning performance of this excusing from death ripple filter rinsed.
In addition, the utility model also provides a kind of hydraulic system, comprises the ultrasonic cleaning filter described in above-mentioned arbitrary technological scheme.Obviously, this hydraulic system has whole beneficial effects of above-mentioned ultrasonic cleaning filter, repeats no more.
In addition, the utility model also provides a kind of engineering machinery, comprises ultrasonic cleaning filter or the hydraulic system described in above-mentioned arbitrary technological scheme.Obviously, this project machinery has above-mentioned whole beneficial effects, repeats no more.
In sum, the technological scheme that the utility model provides, outside by transducer being fixed on the valve piece, make the isolation of transducer and liquid medium, guaranteed the normal use of transducer; Emitting head stretches into filter screen inside, make the ultrasound of emission directly act on filter screen, reduced the power loss in the ultrasound transmittance process, reduced the adhesive force of impurity on the filter screen, reduced the pressure loss of filter, promote the through-current capability of filter screen, avoided simultaneously the damage of conventional clean mode to filter screen, prolonged the working life of filter screen; Filter with cleaning and carry out simultaneously, reduced the filter service frequency, easy and simple to handle, improved manufacturing efficiency.
Description of drawings
Fig. 1 is the structural representation according to ultrasonic cleaning filter one embodiment described in the utility model.
Corresponding relation among Fig. 1 between reference character and the component names is:
1 transducer, 2 adpting flanges, 3 valve pieces, 4 emitting heads, 5 filter cylinders, 6 filter screens, 7 end caps, 8 pollution discharge joints.
Embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments the utility model is further described in detail.Need to prove, in the situation that do not conflict, the application's embodiment and the feature among the embodiment can make up mutually.
Set forth in the following description a lot of details so that fully understand the utility model, still, the utility model can also adopt and be different from other modes described here and implement.Therefore, protection domain of the present utility model is not subjected to the restriction of following public specific embodiment.
As shown in Figure 1, the utility model provides a kind of ultrasonic cleaning filter, comprise valve piece 3, filter cylinder 5 and filter screen 6, filter cylinder 5 is installed on the valve piece 3, filter screen 6 is installed in filter cylinder 5 inside, form cavity volume between filter cylinder 5 inwalls and filter screen 6 outer walls, be provided with entrance P and outlet T on the valve piece 3, also comprise ultrasonic apparatus, ultrasonic apparatus comprises transducer 1 and emitting head 4, and transducer 1 is fixed on valve piece 3 outsides, and transducer 1 delivers power to emitting head 4, emitting head 4 stretches into filter screen 6 inside: entrance P is communicated with cavity volume, the internal communication of outlet T and filter screen 6.
Certainly, in another kind of embodiment, can also be, the internal communication of entrance P and filter screen 6, outlet T is communicated with cavity volume.
In this technological scheme, outside by transducer being fixed on the valve piece, make the isolation of transducer and liquid medium, guaranteed the normal use of transducer; Emitting head stretches into filter screen inside, make the ultrasound of emission directly act on filter screen, reduced the power loss in the ultrasound transmittance process, reduced the adhesive force of impurity on the filter screen, reduced the pressure loss of filter, promote the through-current capability of filter screen, avoided simultaneously the damage of conventional clean mode to filter screen, prolonged the working life of filter screen; Filter with cleaning and carry out simultaneously, reduced the filter service frequency, easy and simple to handle, improved manufacturing efficiency; When entrance is communicated with cavity volume, outlet then with the internal communication of filter screen; During the internal communication of entrance and filter screen, outlet then is communicated with cavity volume, all can satisfy the filtration usage requirement of filter by these two kinds of mode of communicating.
As shown in Figure 1, preferably, this ultrasonic cleaning filter also comprises adpting flange 2, and transducer 1 is connected and transferring energy by adpting flange 2 with emitting head 4, and adpting flange 2 is fixedly connected with valve piece 3.
In this technological scheme, adpting flange is fixedly connected with the valve piece, and transducer is fixedly connected with by adpting flange with emitting head, has promoted the global stability of this ultrasonic cleaning filter, adpting flange can transmit the energy of transducer to emitting head, has guaranteed the normal operation of ultrasonic apparatus.
In technique scheme, preferably, be provided with seal arrangement between adpting flange 2 and the valve piece 3.
In this technological scheme, be provided with seal arrangement between adpting flange and the valve piece, avoided the leakage of liquid medium, promoted the overall tightness of this ultrasonic cleaning filter.
In technique scheme, preferably, this ultrasonic cleaning filter also comprises ultrasonic transformer, and ultrasonic transformer is arranged between transducer 1 and the adpting flange 2; Or ultrasonic transformer is arranged between adpting flange 2 and the emitting head 4.
In this technological scheme, can change ultrasound sounding power by increasing ultrasonic transformer, to adapt to the workplaces such as different liquid mediums, filter screen kind and strainer filtering precision, strengthened the applicability of this ultrasonic cleaning filter.
As shown in Figure 1, preferably, this ultrasonic cleaning filter also comprises end cap 7, and end cap 7 is installed on the filter cylinder 5.
In this technological scheme, end cap plays fixation to the filter screen in the filter cylinder, and this end cap also plays seal action simultaneously.
In technique scheme, further, this ultrasonic cleaning filter also comprises the pollution discharge joint 8 that is installed on the end cap 7, the internal communication of pollution discharge joint 8 and described filter screen; Or pollution discharge joint 8 is communicated with cavity volume.
Be communicated with cavity volume at entrance P, in the scheme of the internal communication of outlet T and filter screen 6, pollution discharge joint 8 is communicated with cavity volume;
In the internal communication of entrance P and filter screen 6, in outlet T and the scheme that cavity volume is communicated with, the internal communication of pollution discharge joint 8 and filter screen 6.
In this technological scheme, when entrance is communicated with cavity volume, during the internal communication of outlet and filter screen, pollution discharge joint then is communicated with cavity volume; When the internal communication of entrance and filter screen, when outlet is communicated with cavity volume, pollution discharge joint then with the internal communication of filter screen, this pollution discharge joint is connecting ball valve simultaneously, can regularly impurity be discharged by opening ball valve, simple to operation, make this ultrasonic cleaning filter remain efficient filter capacity.
As shown in Figure 1, in technique scheme, preferably, be provided with the bevelled dish-shaped body of a plurality of tools on the emitting head 4.
In this technological scheme, be provided with the bevelled dish-shaped body of a plurality of tools on the emitting head, increased the working surface of ultrasound emission, make the ultrasound of emission comprehensively be covered to filter screen, promoted the cleaning performance of ultrasonic cleaning filter.
In technique scheme, preferably, the length that emitting head 4 stretches into filter screen 6 inside is not less than 2/3 of filter screen 6 longitudinal lengths.
In this technological scheme, the length that emitting head stretches into filter screen inside is not less than 2/3 of filter screen longitudinal length, has guaranteed that the ultrasound of emitting head emission can comprehensively be covered to filter screen, thereby has promoted the cleaning performance of this ultrasonic cleaning filter.
The working principle of ultrasonic cleaning filter is:
The electric energy conversion that transducer 1 is used for input, transducer 1 is fixed on the valve piece 3 by adpting flange 2, transducer and liquid isolation;
Emitting head 4 stretches into filter screen 6 inside, and the emission ultrasound directly cleans filter screen 6, really realized filtering on one side, clean on one side;
The filtration of filter screen and the cleaning of filter screen are carried out simultaneously, and be efficient, easy and simple to handle.
The diameter of the diameter of transducer and length, emitting head and length can appropriateness be changed, and also can increase ultrasonic transformer to adapt to different workplaces, such as different liquid, and the size of filter screen kind, filter precision and filter etc.
The supersonic filter good filtration effect, easy and simple to handle, greatly prolonged the working life of filter screen, make filter core remain efficient filter capacity, and can not increase the pressure loss along with using, can not weaken the through-current capability of filter, prolong the working life of filter, reduce the frequency of maintenance of filter.
In addition, the utility model also provides a kind of hydraulic system, comprises the ultrasonic cleaning filter described in above-described embodiment.
In addition, the utility model also provides a kind of engineering machinery, comprises the ultrasonic cleaning filter described in above-described embodiment or hydraulic system.
The technique scheme that the utility model provides has following beneficial effect:
Ultrasonic cleaning filter is stopped impurity by filter screen, thereby filter the liquid medium that flows into valve body, and outwards launch endlessly ultrasound by the emitting head that stretches into filter screen inside, filter screen is cleaned, the impurity that is attached on the filter screen after the filtration is come off one after another, perhaps form a kind of " suspension " state, impurity is common contacting with filter screen, adhesive force is very low, the interior formation of mesh that can not snap into filter screen stopped up, negative effect to the pressure loss of filter and through-current capability is very little, can regularly discharge impurity by the pollution discharge joint of filter cylinder bottom, and the filter capacity of filter remains high-performance.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. ultrasonic cleaning filter, comprise valve piece (3), filter cylinder (5) and filter screen (6), described filter cylinder (5) is installed on the described valve piece (3), described filter screen (6) is installed in described filter cylinder (5) inside, form cavity volume between described filter cylinder (5) inwall and described filter screen (6) outer wall, be provided with entrance and exit on the described valve piece (3)
It is characterized in that, also comprise ultrasonic apparatus, described ultrasonic apparatus comprises transducer (1) and emitting head (4), described transducer (1) is fixed on described valve piece (3) outside, described transducer (1) delivers power to described emitting head (4), and described emitting head (4) stretches into described filter screen (6) inside:
Described entrance is communicated with described cavity volume, the internal communication of described outlet and described filter screen (6);
Or, the internal communication of described entrance and described filter screen (6), described outlet is communicated with described cavity volume.
2. ultrasonic cleaning filter according to claim 1, it is characterized in that, also comprise adpting flange (2), described transducer (1) is connected and transferring energy by described adpting flange (2) with described emitting head (4), and described adpting flange (2) is fixedly connected with described valve piece (3).
3. ultrasonic cleaning filter according to claim 2 is characterized in that, is provided with seal arrangement between described adpting flange (2) and the described valve piece (3).
4. ultrasonic cleaning filter according to claim 3 is characterized in that, also comprises ultrasonic transformer, and described ultrasonic transformer is arranged between described transducer (1) and the described adpting flange (2); Or described ultrasonic transformer is arranged between described adpting flange (2) and the described emitting head (4).
5. each described ultrasonic cleaning filter in 4 according to claim 1 is characterized in that, also comprise end cap (7), described end cap (7) is installed on the described filter cylinder (5).
6. ultrasonic cleaning filter according to claim 5 is characterized in that, also comprises the pollution discharge joint (8) that is installed on the described end cap (7), the internal communication of described pollution discharge joint (8) and described filter screen (6); Or described pollution discharge joint (8) is communicated with described cavity volume.
7. ultrasonic cleaning filter according to claim 6 is characterized in that, is provided with the bevelled dish-shaped body of a plurality of tools on the described emitting head (4).
8. ultrasonic cleaning filter according to claim 7 is characterized in that, described emitting head (4) stretches into the inner length of described filter screen (6) and is not less than 2/3 of described filter screen (6) longitudinal length.
9. a hydraulic system is characterized in that, comprises such as each described ultrasonic cleaning filter in the claim 1 to 8.
10. an engineering machinery is characterized in that, comprises such as each described ultrasonic cleaning filter or hydraulic system as claimed in claim 9 in the claim 1 to 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220474191.1U CN202833439U (en) | 2012-09-17 | 2012-09-17 | Ultrasonic cleaning filter and hydraulic system and engineering machinery |
| PCT/CN2012/085810 WO2014040347A1 (en) | 2012-09-17 | 2012-12-04 | Ultrasonic cleaning filter, hydraulic system and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220474191.1U CN202833439U (en) | 2012-09-17 | 2012-09-17 | Ultrasonic cleaning filter and hydraulic system and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202833439U true CN202833439U (en) | 2013-03-27 |
Family
ID=47945154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220474191.1U Expired - Lifetime CN202833439U (en) | 2012-09-17 | 2012-09-17 | Ultrasonic cleaning filter and hydraulic system and engineering machinery |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202833439U (en) |
| WO (1) | WO2014040347A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550324A (en) * | 2018-12-21 | 2019-04-02 | 珠海格力电器股份有限公司 | Filtering component, filtering device and air conditioner with filtering device |
| CN112408690A (en) * | 2020-11-04 | 2021-02-26 | 福建智罗科技有限公司 | Secondary reverse osmosis water treatment equipment in pure water treatment process |
| CN113730992A (en) * | 2021-09-26 | 2021-12-03 | 中国农业科学院农业环境与可持续发展研究所 | Automatic washing device for net filter of biogas slurry drip irrigation system and application of automatic washing device |
| WO2023222132A1 (en) * | 2022-05-20 | 2023-11-23 | 青岛高测科技股份有限公司 | Filter device for cutting fluid, cleaning method for filter device, and filter circulation system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098022A (en) * | 1994-06-02 | 1995-02-01 | 汪浩勇 | The filtration system of band ultrasonic transmitter |
| JPH0965998A (en) * | 1995-08-31 | 1997-03-11 | Matsushita Electric Works Ltd | Water cleaner |
| FI103325B1 (en) * | 1997-05-20 | 1999-06-15 | Pertti Juhani Rantala | Clear filter and method for its regeneration |
| JP3551258B2 (en) * | 2001-12-26 | 2004-08-04 | 川崎重工業株式会社 | Strainer provided with ultrasonic cleaning device and cleaning method thereof |
| CN202191761U (en) * | 2011-08-26 | 2012-04-18 | 三一重型装备有限公司 | Backwashing filtering device |
| CN202410305U (en) * | 2012-01-17 | 2012-09-05 | 秦皇岛世纪源水处理技术有限公司 | Upright ultrasonic integrated filter |
-
2012
- 2012-09-17 CN CN201220474191.1U patent/CN202833439U/en not_active Expired - Lifetime
- 2012-12-04 WO PCT/CN2012/085810 patent/WO2014040347A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550324A (en) * | 2018-12-21 | 2019-04-02 | 珠海格力电器股份有限公司 | Filtering component, filtering device and air conditioner with filtering device |
| CN112408690A (en) * | 2020-11-04 | 2021-02-26 | 福建智罗科技有限公司 | Secondary reverse osmosis water treatment equipment in pure water treatment process |
| CN113730992A (en) * | 2021-09-26 | 2021-12-03 | 中国农业科学院农业环境与可持续发展研究所 | Automatic washing device for net filter of biogas slurry drip irrigation system and application of automatic washing device |
| US11565201B1 (en) | 2021-09-26 | 2023-01-31 | Institute of Environment and Sustainable Development in Agriculture, CAAS | Automatic flushing device for screen filter of biogas slurry drip irrigation system and use thereof |
| WO2023222132A1 (en) * | 2022-05-20 | 2023-11-23 | 青岛高测科技股份有限公司 | Filter device for cutting fluid, cleaning method for filter device, and filter circulation system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014040347A1 (en) | 2014-03-20 |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |