CN203389383U

CN203389383U - Oily wastewater filter

Info

Publication number: CN203389383U
Application number: CN201320477109.5U
Authority: CN
Inventors: 不公告发明人
Original assignee: SHENZHEN BUSTIN TECHNOLOGY Co Ltd
Current assignee: SHENZHEN BUSTIN TECHNOLOGY Co Ltd
Priority date: 2013-08-06
Filing date: 2013-08-06
Publication date: 2014-01-15
Anticipated expiration: 2023-08-06

Abstract

The utility model provides an oily wastewater filter. The oily wastewater filter comprises a tank body, wherein the tank body is provided with an air inlet pipe, a filtering barrel, a backwashing water outlet and an oil discharging opening; a filtering core is arranged in filtering barrel; a water collection barrel is arranged in the center of the filtering barrel; the water collection barrel is connected with a water outlet pipe; a blow-off pipe is arranged at the bottom of the tank body; net holes are formed in a barrel body of the filtering barrel and are used for enabling water to pass through; the filtering barrel is combined by upper and lower two sections of barrel bodies in an overlapping manner; the filtering barrel is pushed, pulled and retracted up and down by a power device; the net holes are formed in the barrel body so as to enable the water to conveniently flow. According to the oily wastewater filter, a rotational flow region is arranged, and a separation plate is arranged between the tank body and the filtering barrel and is used for stopping wastewater flowing from a water inlet so as to prevent the wastewater from directly washing into the filtering barrel to impact the filtering core; the wastewater can slowly flow to the bottom of the tank body along the separation plate; after silt or dirt is deposited on the bottom of the tank body, the water flows into the filtering barrel reversely, so that the speed of the water flow is slowed and impact damages to the filtering core by the water flow are reduced; the water distribution can be carried out on inlet water again by the net holes in the bottom, so that the inlet water is uniform and a flow state is stable.

Description

A kind of oil-containing sewage filter

Technical field

The utility model relates to sewage treatment area, refers in particular to a kind of by oil-polluted water being carried out to the filter of purification filtering processing.

Background technology

Industrialization oil-polluted water complicated component, contain oil slick, silt or oil-containing fixture etc., mainly adopt at present two media or more medium filter, or fiber ball filter is processed, while adopting these equipment to process, the pollutant in water all adsorbs screening throttling by filter core, after filtrate is saturated, carries out backwash, during backwash, pollutant separates from filter core under the effect of current and air-flow.After long-time filtration treatment, filter core is prone to and hardens, and oil slick is also difficult for discharging in time, and poor filtration effect, finally causes processing water not up to standard, needs to change in time filtrate, has improved use cost., because the flow velocity of water inlet is excessive, also easily the filtrate formula that impacts is damaged, filter effect also lowers because current are too fast meanwhile.

Utility model content

Based on the deficiencies in the prior art, main purpose of the present utility model be to provide a kind of filter efficiency and quality high, operating cost is low, a kind of oil-containing sewage filter that backwash energy consumption is little.

The utility model provides a kind of oil-containing sewage filter, comprise tank body, described tank body is provided with air inlet pipe, cartridge filter, recoil delivery port, oil drain out, in described cartridge filter, be provided with filter core, in described cartridge filter, center is provided with Water collecting tube, described Water collecting tube connects outlet pipe, described tank base is provided with blow-off pipe, described cartridge filter stack shell is furnished with mesh to pass through water, described cartridge filter combines by upper and lower two-section barrel jacket is folded, flexible by the upper and lower push-and-pull of power set, described cylindrical shell is laid with mesh so that current are logical.

Preferably, in described tank body, being also provided with dividing plate makes it only from bottom, be communicated with tank interior in order to separate air inlet pipe and tank interior.Described diaphragm rings is around in the periphery of cartridge filter, and with the outer wall space of cartridge filter.By dividing plate, intercept between water inlet and cartridge filter, to reduce the flow velocity of water inlet, avoid its current excessive, directly enter cartridge filter, the impact that filter core is caused, flows into cartridge filter lentamente, can promote the quality of filtration; Meanwhile, sewage is slowly flowed down along the internal perisporium of tank body, precipitable a large amount of dirt, has reduced the filtration load of cartridge filter, has improved the quality and the efficiency that purify.

Preferably, described cartridge filter is suspended in the middle part of tank body.Described outlet pipe is connected with a recoil water distributor, and in order to uniform backwashing water, it is located at the bottom of cartridge filter, can in backwash process, by the injection water that makes progress, filter core be rinsed, improve the efficiency of backwash, the regeneration effect that improves filter core, extends its service life.

Preferably, described power set are located in cartridge filter, and power set are cylinder.By power set, upper lower shell is carried out to extension and contraction control, to change the state of cartridge filter.

Preferably, in described cartridge filter, be provided with guide post, in order to cartridge filter is led by the upper and lower push-and-pull of upper and lower two-section cylindrical shell is flexible.By multipoint positioning, make lower shell held stationary state in telescopic process.Described upper and lower two-section cylindrical shell comprises upper shell and the lower shell of mutual fit.

Compared with prior art, a kind of oil-containing sewage filter of the utility model has adopted the setting in eddy flow district, between tank body and cartridge filter, dividing plate is set, the sewage that water inlet is flowed into intercepts mutually, avoid it directly to pour in cartridge filter, filter core is impacted, and make its along dividing plate slowly downstream to tank base, after tank base precipitation silt or dirt, oppositely flow in cartridge filter again, both reduced the speed of current, reduced the impact failure that current cause filter core, can to water inlet, re-start water distribution by the mesh of bottom again, make into water even, fluid stable.Meanwhile, reduce the filtration load of filter core, improved efficiency and the quality of filtering, and then extended the service life of filter core.In addition, by the bottom at cartridge filter, recoil water distributor is set filter core is carried out to backwash processing, by a plurality of apopores of laying, can filter core be rinsed less current, in conjunction with pneumatic type backwash mode, make filter core under suspended state, carry out comprehensive backwash, both can save the water consumption of backwash, can rinse equably filter core again, improve the efficiency of backwash.

Accompanying drawing explanation

Fig. 1 is the filtration condition figure of a kind of oil-containing sewage filter of the utility model;

Fig. 2 is the backwash state diagram of a kind of oil-containing sewage filter of the utility model;

Fig. 3 is the cartridge filter internal structure schematic diagram of a kind of oil-containing sewage filter of the utility model.

The specific embodiment

Shown in Fig. 1-3, the utility model provides a kind of oil-containing sewage filter, for the adsorption filtration by filter core is deepened to filtration to oil-polluted water, it comprises tank body 2, described tank body 2 is provided with air inlet pipe 1, cartridge filter 3, recoil delivery port 7, oil drain out 6, in described cartridge filter 3, be provided with filter core, the interior center of described cartridge filter 3 is provided with Water collecting tube 10, described Water collecting tube 10 connects outlet pipe 13, described tank body 2 bottoms are provided with blow-off pipe 14, described cartridge filter stack shell is furnished with mesh to pass through water, described cartridge filter 3 combines by upper and lower two-section barrel jacket is folded, by power set Shang Xia 9 push-and-pull flexible, described cylindrical shell is laid with mesh so that current are logical.

Wherein, described air inlet pipe 1 is installed in the below of cartridge filter 3, by ventilating to advertise filter core to cartridge filter 3, floats.Described cartridge filter 3 is suspended in the middle part of tank body 2.Shown in Fig. 1, under filtration condition, water inlet 4 is positioned at the top of cartridge filter 3 by compression, and oil-polluted water is flowed in cartridge filter 3 by the top of cartridge filter 3, by inner filter core, it is carried out to filtration, purification.Oil drain out 6 and recoil delivery port 7 are opened in the both sides, top of tank body 2, and oil drain out 6, for by after sewage water filtration, floats over the greasy dirt discharge on sewage upper strata, and recoil delivery port 7, for after filter-core back-flushing is washed, is discharged rinse water.Recoil delivery port 7 can rinse filter core by the injection water that makes progress in backwash process, makes dirt be easy to fill on filter core and departs from, and improves the efficiency of backwash, improves the regeneration effect of filter core, extends its service life.

，Qi one end, middle part that described Water collecting tube 10 is located at cartridge filter 3 connects outlet pipe 13, and described outlet pipe 13 is by extending out to outside in cartridge filter 3, for discharging the water after filtering.At the middle part of outlet pipe 13, be also extended with two recoil water distributors 12, it is arranged at the bottom of cartridge filter 3, in order to uniform backwashing water.On recoil water distributor 12, offer several apopores, at backwash process, by the injection water that makes progress, so that filter core is carried out to high-pressure wash, improve efficiency and the quality of backwash.Described cartridge filter 3 comprises the cylindrical shell of the mutual fit of two-section, and the external diameter of described upper shell is equivalent to the internal diameter of lower shell, and power set 9 are located in cartridge filter 3, by push rod, promote upper shell up and down, to adjust the volume of cartridge filter 3 according to running status, preferably, power set 9 are cylinder.Shown in Fig. 1, when filtration condition, upper shell, under the pulling of power set 9, stretches in the inner chamber of lower shell, and cartridge filter 3 is compressive state, filter core tight distribution; Shown in Fig. 2, when backwash state, upper shell, under the promotion of power set 9, upwards stretches, and cartridge filter is swelling state, the loose distribution of filter core.The mesh that containing of being flowed into by water inlet 4, sewage offered along upper lower shell perisporium enters in cartridge filter 3 and filters or backwash.

In a preferred embodiment of the present utility model, in described tank body 2, be also provided with dividing plate 5 and make it only from bottom, be communicated with tank body 2 inside in order to separate air inlet pipe 1 and tank body 2 inside.Described dividing plate 5 is surrounded on the periphery of cartridge filter 3, and the outer wall space with cartridge filter 3, it is located between the outer wall of cartridge filter 3 and the inwall of tank body 2, and keep certain spacing separately with the outer wall of cartridge filter 3 and the inwall of tank body 2 respectively, it does not insert the bottom of tank body 2, keep certain interval with its bottom, make air inlet pipe 1 keep communicating in tank base with tank body 2, the gas being imported by air inlet pipe 1 can be entered in cartridge filter 3 by its region that communicates.Arrange after described dividing plate 5, both sides at dividing plate 5 form eddy flow district, the oil-polluted water being flowed into by water inlet 4 slowly runs underneath to the bottom of tank body 2 along the periphery wall of dividing plate 5, then, more upwards in the mesh inflow cartridge filter 3 by cylindrical shell, filtered by the bottom of tank body 2.Like this, the current filter type that has adopted Zhou Jinzhong to go out, on the one hand, and can be so that the silt or the dirt that contain in the oil-polluted water flowing into first precipitate and tank base, external along the blow-off pipe drain tank of tank base; On the other hand, make current first at the perisporium of dividing plate 5, carry out homogenising distribution, reduced the speed of current, avoid its larger current directly to be entered in cartridge filter 3 by water inlet, the impact that filter core is caused, also greatly reduces the filtration load of filter core; Meanwhile, the current of filtration flow in cartridge filter 3 from the bottom to top, can use filter core to carry out flushing repeatedly to sewage, when reducing water velocity, have improved quality and the efficiency of filtering.

Preferably, in described cartridge filter 3, be provided with guide post 8, in order to cartridge filter 3 is led by the upper and lower push-and-pull of upper and lower two-section cylindrical shell is flexible, so that upper lower shell held stationary when flexible.Described upper and lower two-section cylindrical shell comprises upper shell 30 and the lower shell 32 of mutual fit, and the external diameter of upper shell 30 is less than or equal to the internal diameter of lower shell 32, makes under the promotion of power set, and upper shell 30 can be at the interior upper and lower stretching motion of lower shell 32.

Preferably, described air inlet pipe 1 is laid in cartridge filter 3 belows, for advertising filter core to cartridge filter 3 ventilations, to blow the dirt being attached on filter core, departs from.The backwash of filter core adopts pneumatic pressure to stir the full emptying technique of technique and backwashing water bottom and combines, reduced backwashing water energy consumption, reduce the consumption of backwashing water, greatly improved the regeneration effect of filter core, avoided the phenomenon that hardens, extend the service life of filter core, reduced the expense of operation.

Claims

1. an oil-containing sewage filter, comprise tank body (2), it is characterized in that: described tank body (2) is provided with air inlet pipe (1), cartridge filter (3), recoil delivery port (7), oil drain out (6), described cartridge filter is provided with filter core in (3), the interior center of described cartridge filter (3) is provided with Water collecting tube (10), described Water collecting tube (10) connects outlet pipe (13), described tank body (2) bottom is provided with blow-off pipe (14), described cartridge filter stack shell is furnished with mesh to pass through water, described cartridge filter (3) combines by upper and lower two-section barrel jacket is folded, flexible by the upper and lower push-and-pull of power set (9), described cylindrical shell is laid with mesh so that current are logical.

2. oil-containing sewage filter as claimed in claim 1, is characterized in that: in described tank body, be also provided with dividing plate (5) and make it only from bottom, be communicated with tank body (2) inside in order to separate air inlet pipe (1) and tank body (2) inside.

3. oil-containing sewage filter as claimed in claim 2, is characterized in that: described dividing plate (5) is surrounded on the periphery of cartridge filter (3), and with the outer wall space of cartridge filter (3).

4. oil-containing sewage filter as described in claim 2 or 3, is characterized in that: described cartridge filter (3) is suspended in the middle part of tank body (2).

5. oil-containing sewage filter as claimed in claim 4, is characterized in that: described outlet pipe (13) is connected with a recoil water distributor (12), in order to uniform backwashing water.

6. oil-containing sewage filter as claimed in claim 4, is characterized in that: described power set (9) are located in cartridge filter (3).

7. oil-containing sewage filter as claimed in claim 6, is characterized in that: described power set (9) are cylinder.

8. oil-containing sewage filter as claimed in claim 5, is characterized in that: in described cartridge filter (3), be provided with guide post (8), in order to cartridge filter (3) by the flexible guiding of the upper and lower push-and-pull of upper and lower two-section cylindrical shell.

9. oil-containing sewage filter as claimed in claim 1, is characterized in that: described upper and lower two-section cylindrical shell comprises upper shell (30) and the lower shell (32) of mutual fit.

10. oil-containing sewage filter as claimed in claim 5, is characterized in that: described air inlet pipe (1) is laid in cartridge filter (3) below, for advertising filter core to cartridge filter (3) ventilation.