CN202237464U - Backflushing filtering device - Google Patents
Backflushing filtering device Download PDFInfo
- Publication number
- CN202237464U CN202237464U CN2011203169418U CN201120316941U CN202237464U CN 202237464 U CN202237464 U CN 202237464U CN 2011203169418 U CN2011203169418 U CN 2011203169418U CN 201120316941 U CN201120316941 U CN 201120316941U CN 202237464 U CN202237464 U CN 202237464U
- Authority
- CN
- China
- Prior art keywords
- filtering device
- ultrasonic generator
- screen pack
- flushing filtering
- housing
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a backflushing filtering device, which comprises a shell and a filtering net, wherein the shell is provided with a liquid inlet, a liquid outlet and a drain outlet; the filtering net is arranged in the cavity of the shell; the liquid inlet and the drain outlet are respectively provided with a valve device; a liquid inlet zone is formed between the filtering net of the inner wall of the shell; the liquid inlet and the drain outlet are respectively communicated with the liquid inlet zone; and the liquid outlet is communicated with the interior of the filtering net. The backflushing filtering device also comprises an ultrasonic generating device extending into the cavity of the shell. By adopting such installation, the backflushing filtering device disclosed by the utility model is capable of effectively cleaning impurities firmly attached to the filtering net, and further, the technical problem that the filtering net is easy to block is solved.
Description
Technical field
The utility model relates to the backwash filter technical field, relates to a kind of back-flushing filtering device more specifically.
Background technology
Since the reform and opening-up, China's industry has obtained great development, and simultaneously, industrial expansion has driven constantly bringing forth new ideas of China's field of mechanical technique and developed.For example, the mechanization in large-scale colliery, automation have become the inexorable trend of era development, and hydraulic system plays a part very important in large-scale coal mine machinery.
Hydraulic medium need have higher degree of purity in hydraulic system, can guarantee that hydraulic system can operate as normal.In the prior art, adopt backwash filter to carry out the purification of hydraulic medium usually.
Be applied to the backwash filter in the hydraulic system; Be that a kind of filter screen that utilizes is directly tackled the impurity in the hydraulic medium; Remove hydraulic medium suspension, particle, reduce turbidity, purify water; Generations such as minimizing system dirt, bacterium algae, corrosion are with the precision equipment of scavenging solution piezodielectric and other equipment operate as normal of protection system.
Backwash filter is provided with filter net device, and hydraulic medium is flowed through behind the filter net device, and the impurity that is mingled with in it is tackled by filter screen.Filter screen will inevitably adhere to more impurity on it after long-time the use, and then the fluency when influencing hydraulic medium and flowing through filter screen.The backwash filter net is provided with counter-flushing pipeline, and it can will be discharged by sewage draining exit through adverse current attached to the impurity of screen surface under the situation of not dismantling filter screen.
Yet, backwash filter of the prior art, the impurity that invests on the filter screen is more firm, only can't the impurity on the filter screen be rinsed well through back flushing.Must use along with long-time, the impurity on the filter core can be cumulative, and screen pack still can stop up.
As everyone knows, the filter screen dismounting in the backwash filter is difficulty, the especially hydraulic system of coal mine machinery relatively, often is in the mine work of inclement condition, for the plant maintenance personnel, changes backwash filter net difficulty more.
Therefore, how a kind of back-flushing filtering device is provided, can effectively cleans and adhere to firm impurity on its filter screen, and then evade the technical problem that filter screen stops up, become those skilled in the art's important technological problems to be solved.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of back-flushing filtering device, can effectively clean and adhere to firm impurity on its filter screen, and then evade the susceptible to plugging technical problem of screen pack.
A kind of back-flushing filtering device that the utility model provides; Comprise the housing that is provided with inlet, liquid outlet and sewage draining exit, the interior screen pack of cavity that is arranged at said housing; Said inlet and said sewage draining exit are equipped with valving; Form the feed liquor district between the inwall of said screen pack and said housing; Said inlet all communicates with said feed liquor district with said sewage draining exit, and said liquid outlet communicates with said screen pack inside, also comprises the ultrasonic generator in the cavity that is inserted into said housing.
Preferably, said inlet is provided with first pressure tester, and said liquid outlet is provided with second pressure tester.
Preferably, said housing is provided with the through hole that supplies said ultrasonic generator to insert, and said ultrasonic generator is inserted in the cavity of said housing through said through hole, and said ultrasonic generator and said through hole maintenance sealing.
Preferably, be provided with gasket set between said ultrasonic generator and the said through hole.
Preferably, be provided with the back-up ring device between said ultrasonic generator and the said through hole.
Preferably, said ultrasonic generator is inserted in the said feed liquor district.
Preferably, said ultrasonic generator is inserted into the inside of said screen pack.
Preferably, the valving of being located at said sewage draining exit is a magnetic valve.
Preferably, the valving of being located at said inlet is a magnetic valve.
The back-flushing filtering device that the utility model provides comprises housing, is located at the screen pack in the cavity of housing, and its middle shell is provided with inlet, liquid outlet and sewage draining exit, and is equipped with valving on inlet and the sewage draining exit.Form the feed liquor district between the inwall of screen pack and housing, the inlet of back-flushing filtering device directly links to each other with the feed liquor district, and the hydraulic medium that is promptly got into by inlet is flowed directly to the feed liquor district.Liquid outlet communicates with the inside of screen pack, promptly filters the back through screen pack and gets into the inner hydraulic medium of screen pack, can directly be flowed out by liquid outlet.In addition, sewage draining exit is connected with the feed liquor district, and promptly the hydraulic medium in feed liquor district can be discharged through sewage draining exit.The back-flushing filtering device that the utility model provides also comprises the ultrasonic generator in the cavity that is inserted into housing.
So be provided with; The back-flushing filtering device that the utility model provides; Hydraulic medium gets into the feed liquor district through inlet, and when hydraulic medium got into screen pack inside by the feed liquor district, the impurity that hydraulic medium contains can adhere on the outer wall of screen pack; When impurities accumulation to a certain degree when going out hydraulic coupling and impact; Only need close the valving of inlet and open ultrasonic generator, because ultrasonic generator has detergency ability preferably, so it can clean screen pack more completely.After treating that ultrasonic generator carries out the cleaning of a period of time to screen pack, the most of impurity and the screen pack that invest on the screen pack are separated.At this moment, open the valving of sewage draining exit, and control hydraulic system make the hydraulic medium adverse current, impurity can be discharged by sewage draining exit along with adverse current.Therefore, the back-flushing filtering device that the utility model provides can effectively clean and adhere to firm impurity on its filter screen.
Description of drawings
Fig. 1 is a back-flushing filtering device structural representation in the utility model specific embodiment;
Fig. 2 is a back-flushing filtering device sectional structure sketch map in the utility model specific embodiment.
The specific embodiment
The utility model provides a kind of back-flushing filtering device, can effectively clean and adhere to firm impurity on its filter screen, and then evade the susceptible to plugging technical problem of screen pack.
To combine the accompanying drawing in the utility model embodiment below; Technical scheme in the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Back-flushing filtering device is mainly used in the hydraulic system, such as, the hydraulic system of engineering machinery.Back-flushing filtering device has important function in hydraulic system, it can effectively filter out the impurity that hydraulic medium contains, to evade the problem of stopping up and then cause hydraulic pump or other Hydraulic Elements to damage because of hydraulic circuit.
Yet, backwash filter of the prior art, the impurity that invests on its screen pack is more firm, only can't the impurity on the filter screen be rinsed well through back flushing.Must use along with long-time, the impurity on the filter core can be cumulative, and screen pack still can stop up.
Given this, this specific embodiment provides a kind of back-flushing filtering device, and it can effectively remove the impurity that adheres to more securely on the screen pack, to evade the susceptible to plugging problem of screen pack.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is a back-flushing filtering device structural representation in the utility model specific embodiment; Fig. 2 is a back-flushing filtering device sectional structure sketch map in the utility model specific embodiment.
The back-flushing filtering device that this specific embodiment provided comprises housing 11, screen pack 12; Wherein screen pack 12 is arranged in the cavity of housing 11; Housing 11 has inlet 111, liquid outlet 112 and sewage draining exit 113, in addition, is equipped with valving on inlet 111 and the sewage draining exit 113.
Form feed liquor district 13 between the madial wall of screen pack 12 and housing 11, the inlet 111 of back-flushing filtering device directly links to each other with the feed liquor district, and promptly hydraulic medium can directly get into the feed liquor district by inlet 111.The liquid outlet 112 of back-flushing filtering device communicates with the interior zone of screen pack 12, and promptly the hydraulic medium in feed liquor district passes through after the strainer filtering, and then the interior zone of screen pack 12, is flowed out by liquid outlet 112 again.In addition, sewage draining exit 113 is connected with the feed liquor district, and promptly the hydraulic medium in feed liquor district can be discharged through sewage draining exit 113.
It is pointed out that the back-flushing filtering device that the utility model provides also comprises the ultrasonic generator in the cavity that is inserted into housing 11.
So be provided with; The washing and filtering device that this specific embodiment provided; Hydraulic medium gets into feed liquor district 13 through inlet 111, and when hydraulic medium got into the interior zone of screen pack 12 by feed liquor district 13, the impurity that contains in the hydraulic medium can adhere on the outer wall of screen pack 12.When impurities accumulation when a certain amount of, will inevitably cause certain influence to going out hydraulic coupling.At this moment, only need close the valving of inlet 111 and open ultrasonic generator 14, because ultrasonic generator 14 can propagate into the concussion of high frequency machinery in the hydraulic medium.Therefore, treat that 14 pairs of screen packs of ultrasonic generator 12 carry out the cleaning of a period of time after, the most of impurity and the screen pack 12 that invest on the screen pack 12 are separated.At this moment, open the valving of sewage draining exit 113, and the control hydraulic system makes the hydraulic medium adverse current, impurity can be discharged by sewage draining exit 113 along with adverse current.Therefore, the back-flushing filtering device that the utility model provides can effectively clean and adhere to firm impurity on its filter screen.
It is pointed out that the impurity that adheres on the screen pack 12 more for a long time, and inlet hydraulic will be obviously greater than going out hydraulic coupling.So the staff can judge the impurity adhesion condition on the screen pack 12 through observing inlet hydraulic and going out hydraulic coupling.
Given this, in the preferred version of this specific embodiment, inlet 111 can be provided with first pressure tester 151, and liquid outlet 112 is provided with second pressure tester 152.Certainly; First pressure tester 151 and second pressure tester 152 also can be arranged at other position of back-flushing filtering device; Only need to guarantee that first pressure tester 151 can effectively detect the inlet hydraulic of hydraulic medium, the hydraulic coupling that goes out that second pressure tester 152 can detect hydraulic medium gets final product.
So be provided with; The back-flushing filtering device that this specific embodiment provided; The staff can pass through to observe the detected pressures of first pressure tester 151 and the detected pressures of second pressure tester 152, and the two is compared, when differing big as if the two pressure reduction; Show that then the impurity that adheres on the screen pack 12 is more, need screen pack 12 is cleaned.
In addition, need to prove, the back-flushing filtering device that this specific embodiment provided, its ultrasonic generator 14 can be inserted in the cavity of housing 11 through following mode.Can be provided with the through hole that supplies ultrasonic generator 14 to insert on the housing 11, ultrasonic generator is inserted in the cavity of housing 11 through this through hole.
Need to prove that because in the hydraulic circuit, hydraulic medium has bigger pressure, spilt by the cooperation place of ultrasonic generator 14 with through hole for fear of hydraulic medium, ultrasonic generator 14 need keep better seal property with through hole.
In the preferred version of this specific embodiment, ultrasonic generator 14 can be provided with gasket set with the suitable position of through hole, such as being provided with the O RunddichtringO.So be provided with, seal through the O RunddichtringO between ultrasonic generator 14 and the through hole, effectively evaded the easy problem that leaks outside by ultrasonic generator 14 and through hole cooperation position of hydraulic medium.
Certainly; In order to prevent bigger pressure active force at hydraulic medium; Ultrasonic generator 14 is forced out in housing 11; Ultrasonic generator 14 can be provided with back-up ring with the suitable position of through hole, preventing ultrasonic generator 14 and through hole generation relative displacement, and then has effectively evaded hydraulic medium ultrasonic generator 14 is extruded in the technical problem of housing 11.
The back-flushing filtering device that this specific embodiment provided; Its ultrasonic generator 14 can specifically be inserted in the feed liquor district 13; Certainly, the ultrasonic generator 14 that this specific embodiment provided also can be inserted into the interior zone of screen pack 12, only needs and can guarantee; After ultrasonic generator 14 starts, can cause that the hydraulic medium vibration in the housing 11 gets final product.
In addition, in the preferred version of this specific embodiment, the valving of sewage draining exit can be specially magnetic valve.Should be appreciated that magnetic valve has easy and simple to handle, reaction speed advantage faster.So so be provided with, the staff only need press the button of this magnetic valve of control, can realize opening or ending of sewage draining exit rapidly, has effectively improved the operability of the back-flushing filtering device that this specific embodiment provided.Certainly, the valving of sewage draining exit also can be hand-operated valve, and only need can effectively be realized opening of sewage draining exit or end getting final product.
Equally, the valving of the inlet that this specific embodiment provided also can be magnetic valve, and the beneficial effect that the magnetic valve of its beneficial effect and above-mentioned sewage draining exit brings is similar substantially, and this paper repeats no more.Certainly, the valving of inlet can be hand-operated valve too, and only need can effectively be realized opening of inlet or end getting final product.
More than a kind of back-flushing filtering device that the utility model provided has been carried out detailed introduction; Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (9)
1. back-flushing filtering device; Comprise the housing that is provided with inlet, liquid outlet and sewage draining exit, the interior screen pack of cavity that is arranged at said housing, said inlet and sewage draining exit are equipped with valving, form the feed liquor district between the inwall of said screen pack and said housing; Said inlet all communicates with said feed liquor district with said sewage draining exit; Said liquid outlet communicates with said screen pack inside, it is characterized in that, also comprises the ultrasonic generator in the cavity that is inserted into said housing.
2. back-flushing filtering device as claimed in claim 1 is characterized in that said inlet is provided with first pressure tester, and said liquid outlet is provided with second pressure tester.
3. back-flushing filtering device as claimed in claim 2; It is characterized in that; Said housing is provided with the through hole that supplies said ultrasonic generator to insert; Said ultrasonic generator is inserted in the cavity of said housing through said through hole, and said ultrasonic generator and said through hole maintenance sealing.
4. back-flushing filtering device as claimed in claim 3 is characterized in that, is provided with gasket set between said ultrasonic generator and the said through hole.
5. back-flushing filtering device as claimed in claim 4 is characterized in that, is provided with the back-up ring device between said ultrasonic generator and the said through hole.
6. back-flushing filtering device as claimed in claim 5 is characterized in that, said ultrasonic generator is inserted in the said feed liquor district.
7. back-flushing filtering device as claimed in claim 5 is characterized in that said ultrasonic generator is inserted into the inside of said screen pack.
8. back-flushing filtering device as claimed in claim 5 is characterized in that, the valving of being located at said sewage draining exit is a magnetic valve.
9. back-flushing filtering device as claimed in claim 8 is characterized in that, the valving of being located at said inlet is a magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203169418U CN202237464U (en) | 2011-08-26 | 2011-08-26 | Backflushing filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203169418U CN202237464U (en) | 2011-08-26 | 2011-08-26 | Backflushing filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202237464U true CN202237464U (en) | 2012-05-30 |
Family
ID=46098769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203169418U Expired - Fee Related CN202237464U (en) | 2011-08-26 | 2011-08-26 | Backflushing filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202237464U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840595A (en) * | 2016-05-24 | 2016-08-10 | 济南大学 | Electromagnetic oil filter capable of being automatically cleaned |
| CN108704360A (en) * | 2018-04-30 | 2018-10-26 | 中山市精镀机电设备有限公司 | A kind of sewage apparatus |
| CN113414633A (en) * | 2021-07-30 | 2021-09-21 | 宁夏共享机床辅机有限公司 | Roller chip cleaner |
-
2011
- 2011-08-26 CN CN2011203169418U patent/CN202237464U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840595A (en) * | 2016-05-24 | 2016-08-10 | 济南大学 | Electromagnetic oil filter capable of being automatically cleaned |
| CN108704360A (en) * | 2018-04-30 | 2018-10-26 | 中山市精镀机电设备有限公司 | A kind of sewage apparatus |
| CN113414633A (en) * | 2021-07-30 | 2021-09-21 | 宁夏共享机床辅机有限公司 | Roller chip cleaner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206081820U (en) | Backflushing filtering device | |
| CN104436809A (en) | Revolving drum type micro-filter and sewage treatment method | |
| CN104445693B (en) | The production unit of emulsion dedicated water is joined under a kind of mine | |
| CN105126402B (en) | A kind of flame filter press of automatic back-washing | |
| CN203379682U (en) | Brush type hydraulic-drive self-cleaning filter | |
| CN202237464U (en) | Backflushing filtering device | |
| CN202191761U (en) | Backwashing filtering device | |
| CN101785972B (en) | Water treatment system with bidirectional cleaning function | |
| CN201287007Y (en) | High-precision large-discharge high-pressure filter station for time reverse clean | |
| CN104436774B (en) | Mechanical filter | |
| CN203247149U (en) | Underground sewage disposal and recycling system for mine | |
| CN216878102U (en) | Automatic liquid filter of self-cleaning and intermittent type nature blowdown | |
| CN202822971U (en) | Filter device capable of automatically removing dregs | |
| CN206045506U (en) | Auto-flushing defecator | |
| CN203736947U (en) | Integral cartridge type healthy water device | |
| CN212050792U (en) | Large and medium-sized reverse osmosis device | |
| CN202724826U (en) | Rotary type filter disc solid-liquid separation device | |
| CN212214762U (en) | Candle type clarifying filter | |
| CN201840922U (en) | Filter for impurities in water | |
| CN103446791A (en) | Integral cartridge healthy-water device | |
| CN105967372B (en) | A kind of easy-to-mount Quick purifying device | |
| CN205886344U (en) | Reverse flushing pipe filter | |
| CN217676939U (en) | Mine magnetized water filter | |
| CN204073637U (en) | Interactive sewage filtration equipment | |
| CN204918193U (en) | Industrial waste water purification device of stirring formula |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20160826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |