CN201482260U

CN201482260U - Pressure filtration device for oily sewage

Info

Publication number: CN201482260U
Application number: CN2009201674326U
Authority: CN
Inventors: 凤云飞; 凤霄汉
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-23
Filing date: 2009-07-23
Publication date: 2010-05-26
Anticipated expiration: 2019-07-23

Abstract

The utility model relates to a pressure filtration device for oily sewage, which is mainly used for solving the problem that the filter materials of the existing oily sewage disposal plant are easy to harden and the back-washing effect is weak. The pressure filtration device is characterized in that an outer cylinder (1) is internally provided with an inner cylinder (2); chemical fiber fleece barrel filter materials (8) are fixed in the inner cylinder (2) through an up and down baffle; the upper and lower parts of the outer cylinder (1) are respectively provided with a stainless steel mesh (3); the toroidal cavity of the outer cylinder (1) and the inner cylinder (2) is internally provided with polypropylene grain (4) and walnut (5) filter material in interval; the outlet of the outer cylinder (1) is communicated with the inlet of the inner cylinder (2) by a pipe; and the inlets and outlets of the outer cylinder (1) and the inner cylinder (2) are respectively connected with an electric automatic control valve. The pressure filtration device for oily sewage has the characteristics of difficult hardening and good back-washing effect.

Description

Oil-polluted water pressure filtration device

Technical field:

The utility model relates to the used treating apparatus of oil-polluted water, especially oil-polluted water pressure filtration device in the oil recovery field, oil field.

Background technology:

In oil recovery field, oil field,, pass through displacement of reservoir oil by filling water in order to improve tar productivity.Water in the extraction well liquid needs again to separate out with oil, and isolated water needs again from new injection down-hole, and the water that injects the down-hole need be handled and could inject the down-hole after up to standard.Filtrate easily hardens and the laundry weak effect that recoils and present oil-contained waste water treatment device is because of reasons in structure exists, and consequently: " purifying waste water " do not reach purification standard, has a strong impact on production.

The utility model content:

Existing oil-contained waste water treatment device filtrate easily hardens and the problem of the laundry weak effect that recoils in order to solve, the utility model provides a kind of oil-polluted water pressure filtration device, this oil-polluted water pressure filtration device have filtrate be difficult for hardening and recoil the laundry good effectiveness.

The technical solution of the utility model is: this oil-polluted water pressure filtration device comprises urceolus, be provided with inner core in the urceolus, be fixed with chemical fibre single-side pile cylinder filtrate by upper spacer in the inner core, the urceolus upper and lower part is provided with stainless steel mesh respectively, urceolus and inner core annular space are laid with PP GRANULES and walnut shell filtering material, the urceolus outlet is connected with the inner core import by pipeline, and urceolus and inner core import and export are connected with the electric auto-control valve respectively.

Urceolus in the such scheme and inner core annular space axially are provided with the backwash standpipe, and spiral has hole for water spraying on the backwash standpipe wall, and the backwash standpipe links to each other with backwash power house steward, are connected with the electric auto-control valve in the backwash power house steward import; Be provided with bracing ring below the stainless steel mesh of urceolus top and the bottom.

The utlity model has following beneficial effect: this oil-polluted water pressure filtration device is because the compound bilayer of inner/outer tube that adopts pipeline to communicate, be laid with the structure of PP GRANULES and walnut shell filtering material in the urceolus, utilize interior PP GRANULES of urceolus and walnut shell filtering material to pile up naturally, formation is differed in size, " labyrinth " and passage that shape differs, when oil-polluted water passes through filter material layer, the dirt major part accumulates in " labyrinth ", fraction is floating the filter material surface at the passage periphery, and sewage has become first water purification.Trickle particle also can be suspended in the first water purification with first water purification by filter material layer.Just water purification enters in the inner core by pipeline again, filters by the chemical fibre single-side pile cylinder filtrate in the inner core, and final oily waste water treatment reaches standard.This oil-polluted water pressure filtration device is not made excessive demands meticulous (100 micron orders once) when granule filter material is selected, and adopts granule filter material and cloth filtrate cascade filtration technology.Therefore this oil-polluted water pressure filtration device filtrate is difficult for hardening.Be provided with the backwash standpipe because of adopting between urceolus and inner core again, spiral has the structure of hole for water spraying on the backwash standpipe wall, and when backwash, the backwash water purification is divided into two-way, and one tunnel precession power water system makes filtrate move with current.Filter material layer is at underwater exercise, destroyed the permutation and combination when filtering, original " labyrinth " and passage have been destroyed, the dirt that floating that accumulates dirt passage in former labyrinth more contacts with the backwashing water that contains builder, also friction mutually of filtering material particle simultaneously, the dirt filtrate is broken away from, improved regeneration efficiency greatly.The backwashing water that another road contains builder enters urceolus by the urceolus outlet and rushes at filtrate in the motion from top to bottom, together filtrate is cleaned 1h/d together with power water, and the dirt of clearing up enters drainage through the urceolus import.The backwashing water that contains builder simultaneously enters inner core by the inner core outlet, and chemical fibre single-side pile cylinder filtrate is carried out backwash, and the dirt of clearing up enters drainage through the sewage draining exit import.This oil-polluted water pressure filtration device is owing to adopt the filter material layer static filtering, and dynamically the new technology of regeneration improves regeneration effect, guarantees that filtrate does not harden, and system does not build the pressure.Thus this oil-polluted water pressure filtration device have filtrate be difficult for hardening and recoil the laundry good effectiveness.

Description of drawings:

Accompanying drawing 1 is a structural representation of the present utility model.

1-urceolus among the figure, 2-inner core, 3-stainless steel mesh, 4-PP GRANULES, 5-walnut shell, 6-backwash standpipe, 7-hole for water spraying, 8-chemical fibre single-side pile cylinder filtrate, 9-backwash power house steward import, the outlet of 10-urceolus, the outlet of 11-inner core, the import of 12-urceolus, the import of 13-inner core.

The specific embodiment:

The utility model is described in further detail below in conjunction with accompanying drawing:

By shown in Figure 1, this oil-polluted water pressure filtration device comprises urceolus 1, is provided with inner core 2 in the urceolus 1, and upper spacer is fixed with chemical fibre single-side pile cylinder filtrate 8 in the inner core 2, urceolus 1 upper and lower part is provided with stainless steel mesh 3 respectively, is provided with bracing ring below the urceolus 1 bottom stainless steel mesh 3.Urceolus 1 is laid with PP GRANULES 4 and walnut shell 5 filtrates with inner core 2 annular spaces, and urceolus outlet 10 is connected with inner core import 13 by pipeline, and urceolus import 12 and inner core export 11 and be connected with the electric auto-control valve respectively.The control of electric auto-control valve is arranged therebetween, urceolus 1 axially is provided with 8 backwash standpipes 6 with inner core 2 annular spaces, spiral has 7,8 backwash standpipes 6 of hole for water spraying and links to each other with backwash power house steward on backwash standpipe 6 walls, is connected with the electric auto-control valve in the backwash power house steward import 9.

During actual the use, go out cascade filtration on advancing under filtering oily sewage adopts, go out the flow process of secondary regeneration under the media regeneration process is enterprising.The filtering oily sewage process, oil-polluted water is entered by urceolus import 12, filters by PP GRANULES 4 and walnut shell 5 filtrate one-levels, and oil-polluted water is realized preliminary the filtration, forms water purification just.Just water purification enters through inner core import 13 again, and by chemical fibre single-side pile cylinder filtrate 8 cascade filtrations in the inner core 2, first water purification further filters, and final water purification filter just reaches designing requirement.

PP GRANULES 4 and walnut shell 5 media regeneration processes are purified waste water and are removed the storage tank of purifying waste water through inner core outlet 11.The backwash water purification is divided into two-way, and one tunnel precession power water system by 7 water sprays of the spiral hole for water spraying on the backwash standpipe 6, makes PP GRANULES 4 and walnut shell 5 filtrates move with current.PP GRANULES 4 and walnut shell 5 filter material layers are at underwater exercise, destroyed the permutation and combination when filtering, original " labyrinth " and passage have been destroyed, former labyrinth accumulate dirt, the dirt that floating of passage more contacts with the backwashing water that contains builder, also friction mutually of filtering material particle simultaneously breaks away from dirt and filtrate, has improved regeneration efficiency greatly.The backwashing water that another road contains builder rushes at PP GRANULES 4 and the walnut shell 5 in the motion from top to bottom, together PP GRANULES 4 and walnut shell 5 is cleaned together with power water, and the dirt of clearing up enters drainage through urceolus import 12.Backwash water yield 100m3/h, flow velocity 5.6mm/s, flushing 1h/d.The backwashing water that contains builder simultaneously enters inner core 2 by inner core outlet 11, and chemical fibre single-side pile cylinder filtrate 8 is carried out backwash, and the dirt of clearing up enters drainage through the sewage draining exit import.Chemical fibre single-side pile cylinder filtrate 8 has better elastic, and filter process contains sewage operation in outer suede course bag, and the suede layer is compressed, and the labyrinth diminishes, and is easy to the detention fine particle.In regenerative process, contain purifying waste water in chemical fibre single-side pile cylinder filtrate 8 of builder to outer flushing, pass chemical fibre single-side pile cylinder filtrate 8 basic units, unfold filtrate suede layer, make in " labyrinth " dirt be easy to discharge and clean out.Backwash water yield Q=100m3, flow velocity 4mm/s, flushing 1h/d.Above state conversion is controlled the electric auto-control valve automatically by auto-controller and is finished.

Claims

1. oil-polluted water pressure filtration device, comprise urceolus (1), it is characterized in that: be provided with inner core (2) in the urceolus (1), be fixed with chemical fibre single-side pile cylinder filtrate (8) by upper spacer in the inner core (2), urceolus (1) upper and lower part is provided with stainless steel mesh (3) respectively, urceolus (1) is laid with PP GRANULES (4) and walnut shell (5) filtrate with inner core (2) annular space, urceolus outlet (10) is connected with inner core import (13) by pipeline, and urceolus import (12) and inner core outlet (11) are connected with the electric auto-control valve respectively.

2. oil-polluted water pressure filtration device according to claim 1, it is characterized in that: urceolus (1) axially is provided with backwash standpipe (6) with inner core (2) annular space, spiral has hole for water spraying (7) on backwash standpipe (6) wall, backwash standpipe (6) links to each other with backwash power house steward, is connected with the electric auto-control valve in the backwash power house steward import (9).

3. oil-polluted water pressure filtration device according to claim 1 is characterized in that: be provided with bracing ring below urceolus (1) the top and the bottom stainless steel mesh (3).