CN105169798A - Convenient-to-backwash filter device - Google Patents
Convenient-to-backwash filter device Download PDFInfo
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- CN105169798A CN105169798A CN201510574826.3A CN201510574826A CN105169798A CN 105169798 A CN105169798 A CN 105169798A CN 201510574826 A CN201510574826 A CN 201510574826A CN 105169798 A CN105169798 A CN 105169798A
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- backwash
- filtering tank
- filter
- tube
- water inlet
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Abstract
The invention provides a convenient-to-backwash filter device, belongs to the technical field of machinery, and solves the problem that the cleaning effect of the existing backwashing structure is poor. The convenient-to-backwash filter device comprises a filter tank, a water inlet pipe, a water outlet pipe and a backwashing pipe, wherein filter materials used for filtration are placed in the filter tank; the water inlet pipe is arranged at the top of the filter tank and is used for accepting external water and guiding the water into the filter tank; the water outlet pipe is arranged at the bottom of the filter tank and is used for draining the filtered water out of the filter tank; the backwashing pipe is arranged at the bottom of the filter tank and partially stretches into the filter tank, two water outlets in the filter tank are formed in the backwashing pipe, the two water outlets are respectively arranged close to the inner wall of the filter tank, and a water inlet outside the filter tank is further formed in the backwashing pipe. The convenient-to-backwash filter device has the advantages of reasonable design and good cleaning effect.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of filter being convenient to backwash.
Background technology
Filter is indispensable on pumped (conveying) medium pipeline, widely uses in industries such as food, electronics, chemical industry, environmental protection and gardens gardening.Water filter, air cleaner, food filter, pharmaceutical filter etc. is comparatively common are in daily productive life.
Filter is in long-term use procedure, unavoidably there will be the situation of blocking, when it is needed cleaning by impurity stop, for the Miniature filtering device of the independent filter cylinder of band, as long as dismountable filter cylinder is taken out, reload after process, but large-scale filter is then not easy to pick and place filter cylinder, and a lot of filter is often all integral type, cleans cumbersome, be not easy to safeguard.
For above-mentioned situation, market has had the filter that can automatically clean, different filter device backwashing structures is also different, and equipment is mostly comparatively huge, complex structure, and backwash difficulty is large, and cost is often also very high.
In sum, for solving the deficiency in existing filter on back-flushing structure, need to design a kind of reasonable in design, be convenient to backwash and the good filter of cleaning performance.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of reasonable in design, be convenient to backwash and the good filter of cleaning performance.
Object of the present invention realizes by following technical proposal: a kind of filter being convenient to backwash, comprising:
Filtering tank, is placed with the filtrate for filtering in filtering tank;
Water inlet pipe, is arranged on filtering tank top, and described water inlet pipe is for accepting extraneous current and being imported filtering tank inside;
Outlet pipe, is arranged on bottom filtering tank, and described outlet pipe is used for the current after by filtration and draws off outside filtering tank;
Backwash tube, is arranged on bottom filtering tank and part stretches into filtering tank, backwash tube offers two delivery ports that are positioned at filtering tank and two delivery ports are arranged near filtering tank inwall respectively, and backwash tube is also provided with the water inlet be positioned at outside filtering tank.
A kind ofly be convenient in the filter of backwash above-mentioned, described backwash tube is in be horizontally disposed with and two delivery ports are in same level, and the height at each delivery port place is all greater than the height at backwash tube place, and described two delivery ports are in back to shifting to install.
A kind ofly be convenient in the filter of backwash above-mentioned, the diameter of each delivery port is all less than the diameter of backwash tube.
A kind ofly be convenient in the filter of backwash above-mentioned, two screen packs are arranged with in parallel in filtering tank, filtering tank is divided into epicoele, filter chamber and cavity of resorption from top to bottom by two screen packs, described water inlet pipe and epicoele UNICOM, described outlet pipe, backwash tube respectively with cavity of resorption UNICOM, described filtrate is placed in filter chamber.
A kind ofly be convenient in the filter of backwash above-mentioned, water inlet pipe is connected with outer water tube, described water inlet pipe by backwash tee ball valve and outer water tube UNICOM and outer water tube by stop valve and backwash tube UNICOM, outlet pipe is provided with blowdown tee ball valve.
Compared with prior art, the present invention is reasonable in design, easy to operate; Adopting back to shifting to install and two delivery ports arranged near filtering tank inwall, making the current of injection become swirl shape to flow along filtering tank inwall, be convenient to drive filtrate to fly upward, rinse filtrate fully.
Accompanying drawing explanation
Fig. 1 is the structural representation of a preferred embodiment of the present invention.
Fig. 2 is the structural representation at another visual angle of Fig. 1.
Fig. 3 is the sectional view of Fig. 1.
Fig. 4 is the sectional view of Fig. 2.
Fig. 5 is the filtration working state figure of a preferred embodiment of the present invention.
Fig. 6 is the backwash working state figure of a preferred embodiment of the present invention.
Fig. 7 is another working state figure of a preferred embodiment of the present invention.
In figure, 10, filtering tank; 11, epicoele; 12, filter chamber; 13, cavity of resorption; 20, water inlet pipe; 30, outlet pipe; 40, backwash tube; 41, delivery port; 50, screen pack; 61, backwash tee ball valve; 62, blowdown tee ball valve; 70, stop valve.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figures 1 to 4, the filter being originally convenient to backwash comprises:
Filtering tank 10, is placed with the filtrate for filtering in filtering tank 10;
Water inlet pipe 20, is arranged on filtering tank 10 top, and water inlet pipe 20 is for accepting extraneous current and being imported filtering tank 10 inside;
Outlet pipe 30, is arranged on bottom filtering tank 10, and outlet pipe 30 is for drawing off outside filtering tank 10 by the current after filtration;
Backwash tube 40, be arranged on bottom filtering tank 10 and also partly stretch into filtering tank 10, backwash tube 40 offers two delivery ports 41 that are positioned at filtering tank 10 and two delivery ports 41 are arranged near filtering tank 10 inwall respectively, backwash tube 40 is also provided with the water inlet be positioned at outside filtering tank 10.
In the backwash process of filter, most importantly clean filtrate.Through the filtration of certain hour, filtrate can be adsorbed with impurity, all can have impact to the precision of subsequent filter and effect, therefore need to clean filtrate.Certainly also can clean filtering tank 10 inside while cleaning filtrate, guarantee to filter the good of environment.
In the present invention, during backwash, the water inlet of above-mentioned backwash tube 40 is for importing cleaning fluid (being preferably current), can leak in filtering tank 10 from two delivery ports 41 after current enter backwash tube 40, be drawn off by water inlet pipe 20 entered the clean water cleanses filtrate of filtering tank 10 by backwash tube 40 after.
The filtrate that existing filter adopts has filter core, filter cloth, film etc., and also have part to adopt granular material to filter, filter core is not easy to clean, though and granular material easy to clean, large batch of granular mass weight, needs larger cleaning dynamics.The filtrate adopted in the present invention is preferably Comet-type fiber filter material, and this filtrate one end is loose fibre bundle (i.e. the tail of a comet), and other end fibre bundle is then fixed in the larger cometary nucleus of density.Comet-type fiber filter material quality is light, is easily driven by current, easily cleans.
During filtration, the cometary nucleus that density is larger serves the compaction to fibre bundle, simultaneously because the size of cometary nucleus is less, little on the uniformity impact of filtering section porosity profile, thus improves retaining power.The advantage that its existing fiber filtering filtering accuracy is high and holding filth capacity is large, has again granule filter material backwash wash degree height and the few advantage of water consumption.
In the present embodiment, backwash tube 40 sets out the mouth of a river 41 and delivery port 41 near filtering tank 10 inwall arrange, the current ejected from delivery port 41 can be flushed in filtering tank 10 inwall, further along filtering tank 10 inwall flowing, formed rotate current.Such design enhances the impact to filtrate, filtrate can be driven to fly upward, filtrate is fully contacted with current, and cleaning thoroughly.
As shown in Figure 3 and Figure 4, preferably, backwash tube 40 is in be horizontally disposed with and two delivery ports 41 are in same level, and the height at each delivery port 41 place is all greater than the height at backwash tube 40 place, and two delivery ports 41 are in back to shifting to install.
In the present case, two delivery ports 41 are symmetrical set relative to the axial line of filtering tank 10, and two delivery ports 41 towards opposing (namely contrary), further, two delivery ports 41 are arranged in front-back staggered in a certain preset level rectilinear direction.
Herein, the concrete setting of delivery port 41 is on backwash tube 40, extend a short tube upwards bent, this short tube and backwash tube 40 UNICOM and be connected as a single entity, current from short tube outlet ejection, short tube outlet and delivery port 41.Therefore, the height at each delivery port 41 place is all greater than the height at backwash tube 40 place, and spouting current, can not be subject to the obstruction of backwash tube 40.
Two delivery ports 41 towards in back to shifting to install, make the current of two places ejection keep balance also to keep balance to the active force of filtering tank 10 inwall to the active force of backwash tube 40 simultaneously, in addition, the current of both direction ejection form swirl shape current gradually in flowing, increase impulsive force, be convenient to clean filtrate.And two delivery ports 41 are in same level and two delivery ports 41 are symmetrical arranged about filtering tank 10 axial line, backwash tube 40 also can be kept to a certain extent to balance.
Further preferably, the diameter of each delivery port 41 is all less than the diameter of backwash tube 40.Due to when backwash, need larger water flow pressure, current enter backwash tube 40 and spouting by delivery port 41 time, the reduction of diameter can increase pressure when current spray, the power of further increase current when doing swirl shape flowing, thus drive filtrate to fly upward, thoroughly clean filtrate.
Preferably, in filtering tank 10, be arranged with two screen pack 50, two screen packs 50 in parallel filtering tank 10 is divided into epicoele 11, filter chamber 12 and cavity of resorption 13 from top to bottom, water inlet pipe 20 and epicoele 11 UNICOM, outlet pipe 30, backwash tube 40 respectively with cavity of resorption 13 UNICOM, filtrate is placed in filter chamber 12.
When filtering, filter raw liquid enters filtering tank 10 from epicoele 11, successively through screen pack 50, filtrate, screen pack 50, finally enters cavity of resorption 13, and is exported by outlet pipe 30, and period has carried out three times and filtered, and guarantees to filter thoroughly.
When backwash, current enter cavity of resorption 13 through backwash tube 40, two delivery port 41, then enter filter chamber 12 through screen pack 50, clean filtrate, and the liquid after cleaning upwards flows and outwards exported by water inlet pipe 20 under the effect of follow-up current.Filtering tank 10 inwall, filtrate and two screen packs 50 can clean up by current respectively.
It is worth mentioning that, in this case, delivery port 41 can also be arranged in filter chamber 12, and filtrate still can clean up by the swirl shape current of formation.
Also need to carry out a forward cleaning after backwash, current again enter in filtering tank 10 through water inlet pipe 20 and also from top to bottom clean, and final liquid is exported by outlet pipe 30.
As shown in Figure 5 and Figure 6, further preferably, water inlet pipe 20 is connected with outer water tube, and water inlet pipe 20 is by backwash tee ball valve 61 and outer water tube UNICOM and outer water tube passes through stop valve 70 and backwash tube 40 UNICOM, and outlet pipe 30 is provided with blowdown tee ball valve 62.
Wherein two ports of backwash tee ball valve 61 respectively with outer water tube, water inlet pipe 20 UNICOM, the liquid that remaining port produces for exporting backwash; One of them port of blowdown tee ball valve 62 and outlet pipe 30 UNICOM, all the other two ports are respectively used to the liquid after output filtering and export the liquid of cleaning generation.Stop valve 70 is then the break-make for controlling outer water tube and backwash tube 40.
In sum, originally the course of work being convenient to the filter of backwash is, as shown in Figure 5, filtration condition: stop valve 70 is closed, backwash tee ball valve 61 UNICOM's outer water tube and water inlet pipe 20, liquid is entered in filtering tank 10 by water inlet pipe 20 and filters, and the liquid after filtration exports through outlet pipe 30, blowdown tee ball valve 62, now blowdown tee ball valve 62 opens the port for liquid after output filtering, and filter process is complete.
As shown in Figure 6, backwash state: stop valve 70 is opened, backwash tee ball valve 61 and outer water tube are cut off, and the port opened for exporting the liquid that backwash produces, blowdown tee ball valve 62 remains unchanged, and current enter in filtering tank 10 through backwash tube 40 and carry out cleaning, and the liquid that backwash produces is exported by water inlet pipe 20, backwash tee ball valve 61, after backwash certain hour, whole filtering tank 10 resets to filtration condition.
As shown in Figure 7, forward cleaning state: stop valve 70 is closed, because filtering tank 10 resets to filtration condition, current now enter in filtering tank 10 through water inlet pipe 20 and carry out cleaning, the liquid that cleaning produces exports through outlet pipe 30, blowdown tee ball valve 62, and now blowdown tee ball valve 62 opens the port for exporting the liquid that cleaning produces, after cleaning certain hour, blowdown tee ball valve 62 resets to filtration condition, and cleaning terminates.
Forward cleaning is in order to liquid rinse residual in water inlet pipe 20, backwash tee ball valve 61, outlet pipe 30 and blowdown tee ball valve 62 is clean, is convenient to the carrying out of subsequent filter work.Whole filtering device designs is reasonable, easy to operate; Can be used alone also capable of being combined use; The setting of backwash tube 40, delivery port 41 is convenient to carry out backwash and cleaning performance is good.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (5)
1. be convenient to a filter for backwash, it is characterized in that, comprising:
Filtering tank, is placed with the filtrate for filtering in filtering tank;
Water inlet pipe, is arranged on filtering tank top, and described water inlet pipe is for accepting extraneous current and being imported filtering tank inside;
Outlet pipe, is arranged on bottom filtering tank, and described outlet pipe is used for the current after by filtration and draws off outside filtering tank;
Backwash tube, is arranged on bottom filtering tank and part stretches into filtering tank, backwash tube offers two delivery ports that are positioned at filtering tank and two delivery ports are arranged near filtering tank inwall respectively, and backwash tube is also provided with the water inlet be positioned at outside filtering tank.
2. a kind of filter being convenient to backwash according to claim 1, it is characterized in that, described backwash tube is in be horizontally disposed with and two delivery ports are in same level, and the height at each delivery port place is all greater than the height at backwash tube place, and described two delivery ports are in back to shifting to install.
3. a kind of filter being convenient to backwash according to claim 2, is characterized in that, the diameter of each delivery port is all less than the diameter of backwash tube.
4. a kind of filter being convenient to backwash according to claim 1 or 2 or 3, it is characterized in that, two screen packs are arranged with in parallel in filtering tank, filtering tank is divided into epicoele, filter chamber and cavity of resorption from top to bottom by two screen packs, described water inlet pipe and epicoele UNICOM, described outlet pipe, backwash tube respectively with cavity of resorption UNICOM, described filtrate is placed in filter chamber.
5. a kind of filter being convenient to backwash according to claim 1 or 2 or 3, it is characterized in that, water inlet pipe is connected with outer water tube, described water inlet pipe by backwash tee ball valve and outer water tube UNICOM and outer water tube by stop valve and backwash tube UNICOM, outlet pipe is provided with blowdown tee ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510574826.3A CN105169798A (en) | 2015-09-10 | 2015-09-10 | Convenient-to-backwash filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510574826.3A CN105169798A (en) | 2015-09-10 | 2015-09-10 | Convenient-to-backwash filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105169798A true CN105169798A (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510574826.3A Pending CN105169798A (en) | 2015-09-10 | 2015-09-10 | Convenient-to-backwash filter device |
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| CN (1) | CN105169798A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2367374Y (en) * | 1997-10-17 | 2000-03-08 | 曹振忠 | Back-washing type filter element |
| CN202802975U (en) * | 2012-10-26 | 2013-03-20 | 鸡西大学 | Black-washable gas-liquid separator |
| CN103520966A (en) * | 2013-09-27 | 2014-01-22 | 新龙鼎控股集团有限公司 | Automatic vortex-type filtering device |
| CN204233883U (en) * | 2014-08-28 | 2015-04-01 | 高希义 | High accuracy cyclonic separation filter |
| CN104645694A (en) * | 2013-11-20 | 2015-05-27 | 西安嘉乐世纪机电科技有限公司 | Swimming pond water purifying filter |
| CN204364964U (en) * | 2015-01-08 | 2015-06-03 | 张丛海 | Fiber bundle filter |
| CN205007732U (en) * | 2015-09-10 | 2016-02-03 | 宁波长壁流体动力科技有限公司 | Filter equipment convenient to back flush |
-
2015
- 2015-09-10 CN CN201510574826.3A patent/CN105169798A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2367374Y (en) * | 1997-10-17 | 2000-03-08 | 曹振忠 | Back-washing type filter element |
| CN202802975U (en) * | 2012-10-26 | 2013-03-20 | 鸡西大学 | Black-washable gas-liquid separator |
| CN103520966A (en) * | 2013-09-27 | 2014-01-22 | 新龙鼎控股集团有限公司 | Automatic vortex-type filtering device |
| CN104645694A (en) * | 2013-11-20 | 2015-05-27 | 西安嘉乐世纪机电科技有限公司 | Swimming pond water purifying filter |
| CN204233883U (en) * | 2014-08-28 | 2015-04-01 | 高希义 | High accuracy cyclonic separation filter |
| CN204364964U (en) * | 2015-01-08 | 2015-06-03 | 张丛海 | Fiber bundle filter |
| CN205007732U (en) * | 2015-09-10 | 2016-02-03 | 宁波长壁流体动力科技有限公司 | Filter equipment convenient to back flush |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151223 |