CN102838220A - Movable sewage purification detection device - Google Patents

Abstract

The invention discloses a movable sewage purification detection device which comprises a water inlet pipe, a water outlet pipe, a coalescence board, a primary inclined plate, a secondary inclined plate, a crude oil collector, a sludge discharge port, a filtering tank and an external scrubbing walnut shell filter. The movable sewage purification detection device is characterized by also comprising a sewage superfine treatment device, a turbidity detection unit and a control unit, wherein the coalescence board is connected with the primary inclined plate; the primary inclined plate and the secondary inclined plate are connected with the crude oil collector; the secondary inclined plate is connected with the filtering tank and the sludge discharge port; the filtering tank is connected with the external scrubbing walnut shell filter; the external scrubbing walnut shell filter is connected with the water outlet pipe; the water outlet pipe is connected with the turbidity detection unit; the turbidity detection unit is connected with the control unit; and the control unit is connected with the sewage superfine treatment device. The movable sewage purification detection device has reasonable design, low cost and small scale and is easy to operate; and after effluent is subjected to purification detection, the effluent quality can meet the water injection requirements of different strata.

Description

Portable sewage purification proofing unit

Technical field

The invention belongs to sewage purification test set technical field, particularly a kind of portable sewage purification proofing unit.

Background technology

Along with developing rapidly of oil-field development, different layers position block of cells low permeability oil field proportion constantly rises, small-block oilfield rationally, efficient exploitation, to oilfield stable production and even go up to produce and have crucial meaning.Because block of cells institute payzone position mixes, the output liquid sewage that oily water separation is produced through natural subsidence is not directly transported to joint station through any processing, and re-injection is with the severe contamination stratum on the spot.Even traditional oily water treatment day production fluid hundreds of cubic meter will be handled re-injection up to standard, often to handle respectively through the single devices of various different functions; Construction work is big, and battle line is long, after the operation of going into operation; No matter blowing and raining; The journey that flows backwards is gone on the road that the workman will walk a long way, and sees water level, and sampling analysis is very inconvenient.

The former technical process of disposing polluted water in oil is: slurry tank-and except that the oil tank-jar-re-injection of purifying waste water.Since return water only through slurry tank, remove equipment such as oil tank and simply carry out gravity separation, handle suspended substance and oil-containing severe overweight in the sewage of back.Along with the return water time increases, suspended substance and irony are stopped up most of stratum capillary channel in the sewage, make water injection pressure rise, and can not get the injection allocation amount for a long time, have a strong impact on normal exploitation.

The following mode of the many employings of the water filling of the outlying block of cells in oil field and WWT: clear water is adopted in water filling, and the water source is chosen on the spot, injects the stratum by waterflood pump after filtering; And sewage adopts pipe to transport to joint station or sewage works is handled.So just have following problem: extraction liquid will just can be transported to joint station or sewage works through the long distance water transfer pipe on the one hand, and the water filling water will be built the water source in addition on the other hand.

Adopt the aforesaid method major cause to be: build a cover Sewage treatment systems in a small station, invest morely, management is complicacy; Though, except that main flow, also will consider the recycling of filter tank back flushing and backwashing water etc. because the small-sized sewage treating system scale is less; Compare with fairly large Sewage treatment systems; Link is also many, and with big joint station or the stronger compared with techniques of sewage works, the difficulty of little station administration is bigger.Therefore, exploitation on a small scale, easy to operate, waste disposal plant that effluent quality can satisfy waterflooding requirement again, will bring convenience to the water filling and the WWT of block of cells.

The small-block oilfield major part is distributed in mountain area or independent fault block, and pipe laying focuses on, and needs to lay tens kms even km pipeline up to a hundred; It is big and difficulty of construction is very big to build joint station investment, and the block of cells treatment unit, not only cost is low; And can the sewage on-the-spot disposal of these small-block oilfields is up to standard; Cost of sewage disposal had both been saved in re-injection on the spot, had improved the crude oil acquisition rate again.

Summary of the invention

The objective of the invention is to overcome the deficiency of prior art, provide that a kind of cost is low, small scale, easy to operate, effluent quality be through purifying the portable sewage purification proofing unit that can satisfy waterflooding requirement after detecting again.

The present invention solves its technical problem and takes following technical scheme to realize:

A kind of portable sewage purification proofing unit; Comprise water inlet pipe, rising pipe, coalescing-plate, one-level swash plate, secondary swash plate, former oil trap, mud discharging mouth, hay tank, outer scrubbing type walnut shell filter, it is characterized in that: also comprise the hyperfine treatment unit of sewage, turbidity detecting unit and control unit; Wherein, Said coalescing-plate is connected with the one-level swash plate; Said one-level swash plate links to each other with former oil trap with the secondary swash plate, and said secondary swash plate connects hay tank and is connected outer scrubbing type walnut shell filter with mud discharging mouth, said hay tank, and said outer scrubbing type walnut shell filter connects rising pipe; Said rising pipe connects the turbidity detecting unit, said turbidity detecting unit connects control unit, and said control unit connects the hyperfine treatment unit of sewage.

And described coalescing-plate adopts the perforated plate group.

And described outer scrubbing type walnut shell filter comprises medium pump, nut-shell filtering layer, filtrate and Scrubbing apparatus.

And described control unit connects alarm unit.

And the hyperfine treatment unit of described sewage comprises filtering layer and hoisting appliance.

And described one-level swash plate and secondary swash plate all adopt the stainless steel inclined tube.

Advantage of the present invention and positively effect are:

1, the water technology merging that many advanced persons are feasible of the waste disposal plant of the present invention's employing fits together, compact construction, and floor space is little, and cost of investment and handling cost reduce greatly, are particularly suitable for a large amount of block of cells WWTs of China.

2, the present invention has reduced production cost, has practiced thrift the construction investment of clear water waterflood system, the reasonable use sewage resource.The utilization of this equipment not only can obtain the net effect of re-injection aforesaid device up to standard, has alleviated workman's manipulation strength and management difficulty simultaneously.

3, the present invention is reasonable in design, and cost is low, small scale, easy to operate, effluent quality be through purifying the waterflooding requirement that can satisfy Different Strata after detecting again.

Description of drawings

Fig. 1 is the theory structure block diagram of the embodiment of the invention.

Embodiment

Below in conjunction with accompanying drawing the embodiment of the invention is done further detailed description:

A kind of portable sewage purification proofing unit; Comprise water inlet pipe, rising pipe, coalescing-plate, one-level swash plate, secondary swash plate, former oil trap, mud discharging mouth, hay tank, outer scrubbing type walnut shell filter, it is characterized in that: also comprise the hyperfine treatment unit of sewage, turbidity detecting unit and control unit; Wherein, Said coalescing-plate is connected with the one-level swash plate; Said one-level swash plate links to each other with former oil trap with the secondary swash plate, and said secondary swash plate connects hay tank and is connected outer scrubbing type walnut shell filter with mud discharging mouth, said hay tank, and said outer scrubbing type walnut shell filter connects rising pipe; Said rising pipe connects the turbidity detecting unit, said turbidity detecting unit connects control unit, and said control unit connects the hyperfine treatment unit of sewage.

In conjunction with Fig. 1, set forth principle of work of the present invention:

Often contain crude oil, formation fines, corrosion products and inorganic salt crust etc. in the oily(waste)water.In order thoroughly to purify waste water, developed a kind of portable sewage purification proofing unit.

Embodiment 1

Portable sewage purification proofing unit is a kind of efficient treatment facility that traditional coalescence, swash plate technology and coarse filtration technology are combined.Come water self-circulation in the waste disposal plant integrating device, through the different treatment process of level Four, oil-containing and suspended substance in the sewage thoroughly removed in classification stage by stage.At first, come water under the coalescence effect of perforated plate group, the mutual collision coalescence of oil-containing and suspended substance becomes big in the water; Thereby increase the buoyancy lift and the deadweight of elaioleucite and solid particulate, mixed solution gets into the one-level swash plate and the secondary swash plate of the stainless steel inclined tube composition of two groups of different functions, further does liquid-liquid separation; Liquid-solid separation; Assemble the larger oil droplet that produces and rely on buoyancy function, concentrate in come-up to the former oil trap that installs the top to efflux, most suspended substances will be in the discharging of mud discharging mouth deposition; Cleaner sewage gets into hay tank and further filters, and continues to get into outer scrubbing type walnut shell filter then and handles.

In order to reach low permeability formation to high requirements in water quality; The water outlet of outer scrubbing type walnut shell filter will be detected by the turbidity detecting unit through rising pipe; To detect data then and be sent to control unit, judge by control unit whether water outlet need advance the hyperfine treatment unit of sewage and handle.The hyperfine treatment unit filtrate of sewage has water-wet behavior, and strong, the easy backwash and regeneration of dirt-carrying ability also can be controlled water quality treatment through adjustment compression plate compressing degree simultaneously.

The successful backwash mode effectively of outer now scrubbing type walnut shell filter that portable sewage purification proofing unit device is integrated, the filtrate backwash and regeneration is thorough.Utilize distinctive big discharge capacity medium pump that the nut-shell filtering layer is aspirated during backwash; Filtering layer is by strong loosening, broken under the brute force of suction port current drives; And aspirated by the medium pump intensive; High velocity jet in that pump discharge produces is washed on the wall filtrate by rubbing with the hands in distinctive Scrubbing apparatus, filtrate is implemented collision, washed by rubbing with the hands.The greasy dirt and the mechanical impurity that stick on the outer scrubbing type walnut shell filter come off, and in screen casing, discharge, under the high-speed jet that the jar inner nozzle produces promotes, and filtrate phase mutual friction again, backwash, filtrate is thoroughly cleaned.

The hyperfine treatment unit of sewage has overcome many shortcomings of precision filters such as traditional membrane filtration, filer element type filtration.When filtering layer filtered according to on-the-spot water quality condition, the compaction rate of filtering layer can be regulated through the stop means of hoisting appliance, thereby regulated filtering accuracy.During backwash, the filtering layer fiber yarn can thoroughly unclamp into one strand monofilament under the effect of power, as mop in current scour and self rotating.And then will be attached to greasy dirt on the filtering layer and suspended substance removal.The hyperfine strainer of differential fiber silk after each the cleaning forms filter cake under the effect of hoisting appliance wind, processing accuracy is high, and treatment capacity is constant.

Turbidity detecting unit and control unit are convenient to carry out the full-range automatic control of water treatment.This device is integrated to effective water technology, and volume is little, and various controlled parts are relatively concentrated; Be easy to realize automatic control; The automatic switchover flow process realizes the robotization of backwash filtrate, utilizes alarm unit to realize trouble diagnosis warning robotization; Various diagnostic alarms robotizations, various hydraulic parameters variations are visual etc.

Portable sewage purification proofing unit can carry out type selecting collocation flexibly, to be fit to the requirement of different geological aspect injection water quality.To containing suspended substance and oil-containing is higher, oil product closely packed degree of putting is big comes water, and the block of cells treatment unit can take off slag by integrated eddy flow, technology such as Automatic Dosing flocculation, and the pervious course not high to the water filling accuracy requirement then can remove the hyperfine treatment unit of sewage etc.

Embodiment 2

Portable sewage purification proofing unit has adopted coalescence parallel plate oil eliminator, in establish two groups of fillers, wherein one group is coalescent pack, another group is parallel corrugated plate packing.This oil eliminator improves on the basis of coventional type oil eliminator.According to shallow pond sedimentation principle, distance between plates is more little, and settling efficiency is high more; But consider the effect of spoil disposal and oil extraction; Mostly the used filler of oil eliminator is swash plate, and mostly the inclination angle is the 45-60 degree, and device adopts the waved plate of parallel placement; Its crest and trough all have the hole, and the little oil droplet after the coalescence can rise and continuous and other oil droplet coalescences through aperture.For avoiding the suspended substance in the water on the parallel wave card, to deposit, be provided with one group of coalescent pack in the front of waved plate and carry out pre-treatment coming water, be provided with the high pressure washing pipe in the side of parallel ripple version simultaneously.

According to on-site actual situations, primary filter can adopt walnut shell filtering material or differential fiber ball filtering material, and cascade filtration all adopts fiber ball filter, and filtrate belongs to the nature compaction state during prime filter work; Cascade filtration adopts the press disc type strainer.Thereby this strainer can effectively be avoided at the low discharge state because the compaction of filtrate reduces the phenomenon of effluent quality inadequately according to the compaction of the difference adjustment platen position adjustment filtrate that comes the water yield; And during back flushing, can back flushing become through the adjustment platen again and be easy to carry out.In all filtrates, the filtering velocity of fiber-like filtrate is the highest, and back washing strength is minimum.

It is emphasized that; Embodiment of the present invention is illustrative; Rather than it is determinate; Therefore the present invention is not limited to the embodiment described in the embodiment, and every other embodiments that drawn by those skilled in the art's technical scheme according to the present invention belong to the scope that the present invention protects equally.

Claims (6)

1. portable sewage purification proofing unit; Comprise water inlet pipe, rising pipe, coalescing-plate, one-level swash plate, secondary swash plate, former oil trap, mud discharging mouth, hay tank, outer scrubbing type walnut shell filter, it is characterized in that: also comprise the hyperfine treatment unit of sewage, turbidity detecting unit and control unit; Wherein, Said coalescing-plate is connected with the one-level swash plate; Said one-level swash plate links to each other with former oil trap with the secondary swash plate, and said secondary swash plate connects hay tank and is connected outer scrubbing type walnut shell filter with mud discharging mouth, said hay tank, and said outer scrubbing type walnut shell filter connects rising pipe; Said rising pipe connects the turbidity detecting unit, said turbidity detecting unit connects control unit, and said control unit connects the hyperfine treatment unit of sewage.

2. portable sewage purification proofing unit according to claim 1 is characterized in that: described coalescing-plate adopts the perforated plate group.

3. portable sewage purification proofing unit according to claim 1 is characterized in that: described outer scrubbing type walnut shell filter comprises medium pump, nut-shell filtering layer, filtrate and Scrubbing apparatus.

4. portable sewage purification proofing unit according to claim 1 is characterized in that: described control unit connects alarm unit.

5. portable sewage purification proofing unit according to claim 1 is characterized in that: the hyperfine treatment unit of described sewage comprises filtering layer and hoisting appliance.

6. portable sewage purification proofing unit according to claim 1 is characterized in that: described one-level swash plate and secondary swash plate all adopt the stainless steel inclined tube.