CN203379652U - Pressure type continuous-flow filter - Google Patents
Pressure type continuous-flow filter Download PDFInfo
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- CN203379652U CN203379652U CN201320352161.8U CN201320352161U CN203379652U CN 203379652 U CN203379652 U CN 203379652U CN 201320352161 U CN201320352161 U CN 201320352161U CN 203379652 U CN203379652 U CN 203379652U
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Abstract
The utility model relates to the technical field of a filtering device, and particularly relates to a pressure type continuous-flow filter which comprises a main tank body, a sand washing cylinder and a sand extraction pipe, wherein a communication port and a water outlet are formed at the upper end of the main tank body; a backwashing water outlet pipe is fixed at the top end of the sand washing cylinder in a communicated manner; a backwashing valve is fixedly mounted on the backwashing water outlet pipe; the lower end of the sand washing cylinder is fixed at the upper end of the main tank body and communicated with the communication port; a pneumatic valve is fixedly mounted between the lower end of the sand washing cylinder and the communication port; the sand extraction pipe is fixedly mounted on the main tank body; the upper end of the sand extraction pipe is fixed at the middle part of the sand washing cylinder in a communicated manner; the lower end of the sand extraction pipe is positioned at the lower end of an inner cavity of the main tank body; a sand inlet valve is fixedly mounted on the sand extraction pipe; a water inlet pipe is fixed at the middle part of the main tank body; and a discharge port is formed at the bottom end of the main tank body. The pressure type continuous-flow filter provided by the utility model is reasonable and compact in structure and convenient to use; the filter material can be subjected to backwashing at the time of filtering; and the pressure type continuous-flow filter has the characteristics of high filtering accuracy, good backwashing effect and low cost.
Description
Technical field
the utility model relates to the filter technical field, is a kind of pressure type Continuous Flow filter.
Background technology
filtration is the traditional handicraft that the oilfield sewage advanced treating is impassable, and in order to improve constantly the filter efficiency of filter, the researcher of filtering technique is devoted to the improvement and bring new ideas to filter.The research of filtering technique mainly concentrates on the filter source and the backwash mode changes, and the quality of backwash mode directly affects filter effect.Traditional backwash mode has stirring, mixing wastewater with air backwash and water backwash etc.Adopt the typical filter of stirring-type backwash that walnut shell filter and fiber ball filter etc. are arranged, due to filtrate, there is the halfway problem of obvious backwash in the stirring-type filter, thereby causes filter effect not good.Adopt the typical filter of mixing wastewater with air backwash that Double-filter material filter, diamond dust filter and more medium filter etc. are arranged, when using Double-filter material filter, diamond dust filter and more medium filter to be filtered, the initial stage effect of its filtration is comparatively desirable, but because most of filtrate is the mixed layer of heavy filtrate and filtrate, can not realize the interaction stirring backwash of backwash water and filtrate, therefore along with the passing of filtration time, the poor effect that causes backwash, thereby affect to a certain extent water outlet, weakened the advantage of this filter.Because there is the sewage that a large amount of mineralization degrees is higher in oilfield sewage, and the upper cloth water-bound of general filter adopts screen casing, and lower cloth water-bound adopts sieve plate or screen casing, and this structure, due to salinity fouling or dirt, the problem of screen casing easily occurs stopping up.Simultaneously, because conventional filtration is static filtering and the static backwash of filtrate, or, due to Long-time Shut-down, increased the risk that filtrate hardens.In addition, the disposing polluted water in oil filtering technique is secondary or three-stage filtration at present, and cost of investment is higher.
Summary of the invention
the utility model provides a kind of pressure type Continuous Flow filter, has overcome the deficiency of above-mentioned prior art, and it can effectively solve, and the filtering accuracy that existing filter exists in actual use is low, backwash poor effect and the high problem of cost.
the technical solution of the utility model realizes by following measures: a kind of pressure type Continuous Flow filter comprises main tank body, sand washing tube and sand extraction tube, there are connected entrance and delivery port in the upper end of main tank body, the top of sand washing tube is fixed with the backwash outlet pipe and communicates, be installed with backwash valve on the backwash outlet pipe, the lower end of sand washing tube is fixed on the upper end of main tank body and communicates with connected entrance, be installed with pneumatic operated valve between the lower end of sand washing tube and connected entrance, be installed with sand extraction tube on main tank body, the upper end of sand extraction tube is fixed on the middle part of sand washing tube and communicates, the lower end of sand extraction tube is positioned at main tank inner chamber lower end, on sand extraction tube, be installed with into the sand valve, the middle part of main tank body is fixed with water inlet pipe, there is discharging opening the bottom of main tank body, discharging opening is installed with blow-off pipe, blowoff valve is arranged on blow-off pipe, the lower end of backwash outlet pipe is fixedly installed togather and communicates with blow-off pipe.
below the further optimization and/or improvements to above-mentioned utility model technical scheme:
top in above-mentioned main tank body can be fixed with the upper sand arranging device corresponding with connected entrance, and the lower end of upper sand arranging device is fixed with draws sand launder, and the bottom of main tank body is fixed with lower sand arranging device by fixed bar; The left part of water inlet pipe is positioned at the main tank body outside, and the water inlet pipe right part is positioned at main tank body, and the lower end of water inlet pipe is fixed with the water distributor that is no less than, is distributed with water distributing pore on water distributor.
above-mentioned sand extraction tube can comprise sand extraction tube and lower sand extraction tube; Be fixed with between the upper end of the lower end of upper sand extraction tube and lower sand extraction tube and rub the sand device with the hands, advance the sand valve and be positioned on sand extraction tube, between the bottom of lower sand extraction tube and water inlet pipe outside main tank body, be fixed with water mixing pipe and water doping valve and communicate.
the lower end import department of above-mentioned lower sand extraction tube can be provided with spray nozzle device.
top in above-mentioned sand washing tube can be fixed with resistance sand device.
the lower end of above-mentioned main tank body and the lower end of sand washing tube can all be taper wide at the top and narrow at the bottom, and upper sand arranging device and lower sand arranging device all are up-narrow and down-wide taper.
the outside of above-mentioned sand washing tube is fixed with visor.
the utility model reasonable and compact in structure, easy to use, it can carry out backwash to filtrate when filtering, and has the advantages that filtering accuracy is high, backwash is effective and cost is low.
The accompanying drawing explanation
accompanying drawing 1 is looked the perspective structure schematic diagram for the master of the utility model most preferred embodiment.
coding in accompanying drawing is respectively: 1 is main tank body, and 2 is sand washing tube, and 3 is filtrate, and 4 is connected entrance, 5 is the backwash outlet pipe, and 6 is delivery port, and 7 is blowoff valve, and 8 is discharging opening, 9 is upper sand arranging device, and 10 for drawing sand launder, and 11 is fixed bar, and 12 is lower sand arranging device, 13 is water inlet pipe, and 14 is the water inlet water distributor, and 15 is upper sand extraction tube, and 16 is lower sand extraction tube, 17 for rubbing the sand device with the hands, and 18 for advancing the sand valve, and 19 is water mixing pipe and water doping valve, and 20 is blow-off pipe, 21 is resistance sand device, and 22 is pneumatic operated valve, and 23 is backwash valve, and 24 is visor.
The specific embodiment
the utility model is not subject to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is all to be described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description 1.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in Figure 1, this pressure type Continuous Flow filter comprises main tank body 1, sand washing tube 2 and sand extraction tube, there are connected entrance 4 and delivery port 6 in the upper end of main tank body 1, the top of sand washing tube 2 is fixed with backwash outlet pipe 5 and communicates, be installed with backwash valve 23 on backwash outlet pipe 5, the lower end of sand washing tube 2 is fixed on the upper end of main tank body 1 and communicates with connected entrance 4, be installed with pneumatic operated valve 22 between the lower end of sand washing tube 2 and connected entrance 4, be installed with sand extraction tube on main tank body 1, the upper end of sand extraction tube is fixed on the middle part of sand washing tube 2 and communicates, the lower end of sand extraction tube is positioned at main tank inner chamber lower end, on sand extraction tube, be installed with into sand valve 18, the middle part of main tank body 1 is fixed with water inlet pipe 13, there is discharging opening 8 bottom of main tank body 1, discharging opening 8 is installed with blow-off pipe 20, blowoff valve 7 is arranged on blow-off pipe 20, the lower end of backwash outlet pipe 5 is fixedly installed togather and communicates with blow-off pipe 20.
can according to actual needs, above-mentioned pressure type Continuous Flow filter be made further optimization and/or improvements:
as shown in Figure 1, the top in main tank body 1 is fixed with the upper sand arranging device 9 corresponding with connected entrance 4, and the lower end of upper sand arranging device 9 is fixed with draws sand launder 10, and the bottom of main tank body 1 is fixed with lower sand arranging device 12 by fixed bar 11; The left part of water inlet pipe 13 is positioned at main tank body 1 outside, and the right part of water inlet pipe 13 is positioned at main tank body 1, and the lower end of water inlet pipe 13 is fixed with the water distributor 14 that is no less than, is distributed with water distributing pore and communicates on water distributor 14.Upper sand arranging device 9 and lower sand arranging device 12 are existing known technology; The setting of upper sand arranging device 9 can cause filtrate 3 sand launder 10 from connected entrance 4, and filtrate 3, by drawing the guide function of sand launder 10, can be dispersed in main tank body 1, has effectively reduced the piling height of filtrate 3; What the setting of water inlet water distributor 14 can be divided equally pending oily water is sprayed in 3 layers of filtrates, has improved the precision of filtration.
as shown in Figure 1, sand extraction tube comprises sand extraction tube 15 and lower sand extraction tube 16; Be fixed with between the upper end of the lower end of upper sand extraction tube 15 and lower sand extraction tube 16 and rub sand device 17 with the hands, advance sand valve 18 and be positioned on sand extraction tube 15, between the bottom of lower sand extraction tube 16 and water inlet pipe 13 in main tank body 1 outside, be fixed with water mixing pipe and water doping valve 19 and communicate.Rub sand device 17 with the hands for existing known technology; Being provided with of water mixing pipe and water doping valve 19 is beneficial to sand extraction tube filtrate 3 sent in sand washing tube 2 and made the effect of filtrate 3 backwashes better.
as shown in Figure 1, be provided with spray nozzle device in the lower end of lower sand extraction tube 16 import department.Spray nozzle device can be connected with source of the gas, thereby utilizes the negative pressure of the high velocity jet generation of nozzle to realize carrying sand.
as shown in Figure 1, the top in sand washing tube 2 is fixed with resistance sand device 21.Resistance sand device 21 is existing known technology.
as shown in Figure 1, the lower end of the lower end of main tank body 1 and sand washing tube 2 all is taper wide at the top and narrow at the bottom, and upper sand arranging device 9 and lower sand arranging device 12 all are up-narrow and down-wide taper.The setting of taper can make filtrate 3 rely on self Gravitational sliding, effectively prevents that filtrate 3 from excessively piling up.
as shown in Figure 1, the outside of sand washing tube 2 is fixed with visor 24.The setting of visor 24 is convenient to observe the interior situation of sand washing tube 2.
above technical characterictic has formed most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.
the use procedure of the utility model most preferred embodiment: in the main tank body 1 of at first filtrate 3 being packed into, make the height of the height of filtrate 3 higher than water inlet water distributor 14, the time marquis who is filtered when the sewage to pending, sewage enters in main tank body 1 and by water inlet water distributor 14 and carries out water distribution uniformity from water inlet pipe 13, sewage is after certain thickness filtrate bed purifies, and clean water is discharged from delivery port 6, after the filtration through the short time, filtrate 3 bottoms are contaminated, at this moment the filtrate 3 polluted is carried out to backwash, and filtering process do not interrupt, during backwash, close pneumatic operated valve 22, simultaneously by backwash valve 23 with advance sand valve 18 and open, at this moment main tank body 1 is isolated in inside with sand washing tube 2, sand washing tube 2 instantaneous loss of pressure, due to the suction function in sand washing tube 2, make filtrate 3 from sand extraction tube 16 lower inlet enter lower sand extraction tube 16, through lower sand extraction tube 16, rub sand device 17 and upper sand extraction tube 15 with the hands and pour into sand washing tube 2, because sewage constantly enters backwash outlet pipe 5 and discharges, make the pressure of sand washing tube 2 be less than the pressure of main tank body 1, thereby make sand extraction tube 15 and lower sand extraction tube 16 can be proposed continuously sand work, the water that is mixing filtrate 3 enters sand washing tube 2 through lower sand extraction tube 16 and upper sand extraction tube 15, washing in stranding sand device 17 interior processes the pollutant of peeling off by rubbing with the hands takes away with water from backwash outlet pipe 5, filtrate 3 sinks to being deposited in sand washing tube 2, when the backwash of arrive setting during the time, open pneumatic operated valve 22, close into sand valve 18, sand washing tube 2 reaches poised state with the pressure of main tank body 1, filtrate 3 relies on self gravitation to drop on the upper sand arranging device 9 in main tank body 1 and by the guide function that draws sand launder 10, form new filter bed, thereby complete backwash process.
Claims (10)
1. a pressure type Continuous Flow filter, is characterized in that comprising main tank body, sand washing tube and sand extraction tube, there are connected entrance and delivery port in the upper end of main tank body, the top of sand washing tube is fixed with the backwash outlet pipe and communicates, be installed with backwash valve on the backwash outlet pipe, the lower end of sand washing tube is fixed on the upper end of main tank body and communicates with connected entrance, be installed with pneumatic operated valve between the lower end of sand washing tube and connected entrance, be installed with sand extraction tube on main tank body, the upper end of sand extraction tube is fixed on the middle part of sand washing tube and communicates, the lower end of sand extraction tube is positioned at main tank inner chamber lower end, on sand extraction tube, be installed with into the sand valve, the middle part of main tank body is fixed with water inlet pipe, there is discharging opening the bottom of main tank body, discharging opening is installed with blow-off pipe, blowoff valve is arranged on blow-off pipe, the lower end of backwash outlet pipe is fixedly installed togather and communicates with blow-off pipe.
2. pressure type Continuous Flow filter according to claim 1, it is characterized in that the top in main tank body is fixed with the upper sand arranging device corresponding with connected entrance, the lower end of upper sand arranging device is fixed with draws sand launder, and the bottom of main tank body is fixed with lower sand arranging device by fixed bar; The left part of water inlet pipe is positioned at the main tank body outside, and the right part of water inlet pipe is positioned at main tank body, and the lower end of water inlet pipe is fixed with the water distributor that is no less than, is distributed with water distributing pore on water distributor.
3. pressure type Continuous Flow filter according to claim 1 and 2, is characterized in that sand extraction tube comprises sand extraction tube and lower sand extraction tube; Be fixed with between the upper end of the lower end of upper sand extraction tube and lower sand extraction tube and rub the sand device with the hands, advance the sand valve and be positioned on sand extraction tube, between the bottom of lower sand extraction tube and water inlet pipe outside main tank body, be fixed with water mixing pipe and water doping valve and communicate.
4. pressure type Continuous Flow filter according to claim 3, is characterized in that the lower end import department of lower sand extraction tube is provided with spray nozzle device.
5. pressure type Continuous Flow filter according to claim 3, is characterized in that the top in sand washing tube is fixed with resistance sand device.
6. pressure type Continuous Flow filter according to claim 4, is characterized in that the top in sand washing tube is fixed with resistance sand device.
7. pressure type Continuous Flow filter according to claim 3, is characterized in that the lower end of main tank body and the lower end of sand washing tube all are taper wide at the top and narrow at the bottom, and upper sand arranging device and lower sand arranging device all are up-narrow and down-wide taper.
8. pressure type Continuous Flow filter according to claim 4, is characterized in that the lower end of main tank body and the lower end of sand washing tube all are taper wide at the top and narrow at the bottom, and upper sand arranging device and lower sand arranging device all are up-narrow and down-wide taper.
9. pressure type Continuous Flow filter according to claim 5, is characterized in that the lower end of main tank body and the lower end of sand washing tube all are taper wide at the top and narrow at the bottom, and upper sand arranging device and lower sand arranging device all are up-narrow and down-wide taper.
10. pressure type Continuous Flow filter according to claim 9, is characterized in that the outside of sand washing tube is fixed with visor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320352161.8U CN203379652U (en) | 2013-06-19 | 2013-06-19 | Pressure type continuous-flow filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320352161.8U CN203379652U (en) | 2013-06-19 | 2013-06-19 | Pressure type continuous-flow filter |
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| Publication Number | Publication Date |
|---|---|
| CN203379652U true CN203379652U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320352161.8U Expired - Fee Related CN203379652U (en) | 2013-06-19 | 2013-06-19 | Pressure type continuous-flow filter |
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| Country | Link |
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| CN (1) | CN203379652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891712A (en) * | 2015-06-17 | 2015-09-09 | 河北农业大学 | Integrated water purifier |
-
2013
- 2013-06-19 CN CN201320352161.8U patent/CN203379652U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891712A (en) * | 2015-06-17 | 2015-09-09 | 河北农业大学 | Integrated water purifier |
| CN104891712B (en) * | 2015-06-17 | 2017-06-27 | 河北农业大学 | Integrated water purifier |
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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: 20140108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |