CN201890787U

CN201890787U - Double-layered pressure type integrated deoiler

Info

Publication number: CN201890787U
Application number: CN2010206301334U
Authority: CN
Inventors: 陈予恩
Original assignee: Huatian Engineering and Technology Corp MCC
Current assignee: Huatian Engineering and Technology Corp MCC
Priority date: 2010-11-29
Filing date: 2010-11-29
Publication date: 2011-07-06
Anticipated expiration: 2020-11-29

Abstract

The utility model discloses a double-layered pressure type integrated deoiler, which is invented in order to solve the problems of the prior art, such as low efficiency. The interior of a shell is divided into an upper layer, a middle layer and a lower layer, the ends of water inlet pipes of the upper inclined-pipe clarifying layer and the middle inclined-pipe clarifying layer are connected with water jets, the upper inclined-pipe clarifying layer and the middle inclined-pipe clarifying layer are provided with outer partitions and inner partitions with guide holes on the upper parts, central reaction chambers are communicated with an annular guide chamber, and inclined-pipe settling zones, lower separation zones and upper clear water zones are formed between the outer partitions and the shell; the lower filtering layer consists of an influent water distribution zone, a quartz sand filter medium zone and an effluent water collection zone, water collection disks are communicated with the influent water distribution zone, the upper part of the influent water distribution zone is provided with a filter medium back-flushing drain pipe, and the effluent water collection zone is connected with a filtered water outlet main, a filter medium back-flushing water inlet pipe and a compressed air back-flushing intake pipe which are arranged on the bottom of the deoiler. The deoiler integrates the functions of mixing, flocculation reaction, clarification, settlement, filtration and pressure bearing, and has the advantages of high deoiling efficiency, good water discharge effect, simplified sewage treatment process flow, small occupied floor area, investment saving, compact structure and convenient centralized arrangement and management.

Description

The integrated oil eliminator of double pressure formula

Technical field

The utility model relates to the integrated oil eliminator of double pressure formula that oil-containing sewage treatment technique is used, and relates in particular to a kind of double pressure formula integrated high-efficiency oil eliminator of using at the oil-containing sewage treatment technique of iron and steel metallurgy factory continuous casting and steel rolling generation.

Background technology

Iron and steel metallurgy factory continuous casting and steel rolling turbid circulating water refer generally to the oily(waste)water of continuous casting plant, wire rolling plants, bar factory, section bar factory and board mill.Continuous casting and steel rolling oily(waste)water mainly are meant continuous casting installation for casting, rolling line equipment are directly sprayed the sewage that produces in the process of cooling, spray the lubricated hydraulic pressure wet goods impurity that contains a large amount of iron scales, seepage in the cooled backwater.Oil has very strong viscosity, very easy adhesion iron scale solid particulate, and this oils iron sheet particulate harm is bigger, can stop up the filler of cooling tower, filter screen, obstruction circulating water pipeline and the milling equipment water spray refrigerative nozzle of blocking pipe strainer.The pressure type integrated efficient degreasing device of individual layer is used to handle Steel Plant's continuous casting and mill turbid circulating water system contains iron scale particulate oily(waste)water.In oil eliminator, add the oils that chemical agent is used for removing sewage, comprise oil in water emulsion and floating oil, remove the suspended substance solid in the sewage simultaneously, comprise the solid particulate of particulate and colloidal state.

In the prior art, sewage degrease method commonly used has physics oil removing and electrochemical deoiling two big classes, and its technical process is: 1, the physics method oil removing of iron sheet settling tank+secondary horizontal sedimentation tank+rapid filter precipitation tertiary treatment technology; 2, chemical method oil removing tertiary treatment technology behind the first physics of an iron sheet settling tank+chemical oil remover+rapid filter.The chemical oil remover oil removal process is to add chemical agent, make oils, iron scale and other impurity suspended substances etc. in the sewage through hybrid reaction, come out by cohesion, throwing out, contact flocculation filteration are settlement separate, reach and purify water and the purpose of cycling use of water.The chemical method oil removing with mechanical approach oil removing compare, three big advantages are arranged: the one, oil removing is thorough comprehensively; The 2nd because the effect of medicament, oil and suspended substance form waddingization avale in the lump next, thereby reach the while oil removing and except that the dual purpose of suspended substance; The 3rd, the oily sludge that settles down is concentrated regularly and is discharged, and dewatering is good, is convenient to follow-up body refuse transportation and comprehensive utilization.At present the chemical oil remover that uses has the following disadvantages: the one, only adopt line mixer to mix to make that its medicament hybrid reaction is insufficient, reagent consumption is bigger than normal; The 2nd, only adopt paddle wheel to make its mud quantity of reflux less than normal, do not give full play of the contact absorption and the contact flocculation effect of backflow body refuse, cause the water outlet effect relatively poor, often need that its effluent adopting rapid filter is made further follow-up sand and filter, could satisfy the requirement of steel rolling process quality of water; The 3rd, present chemical oil remover is and opens wide non-bearing type processing structures, though this helps the maintenance of the equipment maintenance, but deliver to strainer and cooling tower after need pressurizeing again to its water outlet, therefore present chemical oil remover+hot tub+force (forcing) pump group+rapid filter+cooling tower---thisly be separated from each other that independently many structures processing technological flow is complicated partially, operation is many, take up an area of greatlyyer, invest higher.

The utility model content

In order to overcome above-mentioned defective, it is the integrated oil eliminator of double pressure formula of one that the purpose of this utility model is to provide a kind of oil removal efficiency height, the mud quantity of reflux is big, water outlet is effective collection mixing, flocculation reaction, clarification, precipitation, filtration and pressure-bearing.

In order to achieve the above object, the integrated oil eliminator of double pressure formula of the present utility model, comprise the housing 1 that is provided with water inlet pipe 4, described housing 1 inside is divided into top inclined tube clear layer, middle part inclined tube clear layer and three layers of bottom filtering layer, its middle and upper part and middle part are the beds of precipitation of two identical, independences and parallel running, housing 1 is provided with division board 2 two clear layer in top and middle part is separated fully, is provided with division board 3 middle part inclined tube clear layer and bottom filtering layer are separated fully; Water inlet pipe 4 extends internally from housing bottom and establishes two water inlets and be in charge of, and wherein a water inlet is in charge of 9 and is entered top inclined tube clear layer, and another root water inlet is in charge of 10 and is entered middle part inclined tube clear layer,

Last, middle part inclined tube clear layer concrete structure, inside top is provided with the disk 23,48 that catchments, the described disk 23 that catchments, 48 are provided with prosopyle 24,49 and the water outlet that is communicated with described bottom filtering layer is in charge of 25,50, the bottom is provided with tubular

internal partition

15,40 and external partition 16,41; Form the ring-type diversion chamber 19 that the bottom is communicated with described top inclined tube clear layer between the inside and outside dividing plate of described tubular, 44, be provided with pod apertures 17,42 around the described internal partition top, this pod apertures is communicated with internal partition internal-

response chamber

18,43 and described ring-type diversion chamber; Described water inlet is in charge of 9,10 and is stretched into this tubular

internal partition

15,40 bottoms from described housing bottom; Annulus columnar region between external partition 16,41 and housing is separated into: the

clear water zone

22,47 of the disk 23,48 that catchments is established on the

disengaging zone

21,46 of the

mud district

11,36 of bottom, the

tube settling district

20,45 at middle part, bottom and top;

The bottom filtering layer, form by water inlet water distributing area 26, quartz sand filter media district 58, water outlet catchment area 59 3 parts from top to bottom, described rising pipe is communicated with this water distributing area, water distributing area top is provided with filtrate back flushing water shoot 66, quartz sand filter media district bottom links to each other with the water outlet catchment area, and the total rising pipe 60 of water, filtrate back flushing water inlet pipe 62 are connected with pressurized air backwash inlet pipe 69 after water outlet catchment area and the filter that is located at housing bottom.

Further, described housing is the pressure-bearing type steel shell, and case top is provided with automatic exhaust steam valve 71 and safety valve 72.

Wherein, the described water inlet pipe 4 that is positioned at described hull outside is provided with water electric butterfly valve 5 into and with the line mixer 6 of two dosing mouths, line mixer 6 feed-water ends are provided with coagulating agent dosing mouth 7, and the water side is provided with oil flocculant dosing mouth 8; Described line-blending G﹠W penetrates that device carries out that waterpower is mixed and reaction provides power for the sewage of enclosure interior stirs.

Further, water inlet is in charge of 9,10 end and water sprayer nozzle 12,37 and is connected, and nozzle 12,37 is installed in the annular vestlet 13,38 of a horn-type opening, and the trunnion 14,39 of annular vestlet 13,38 and water sprayer is connected.Water sprayer is made up of nozzle, trunnion and horn-type opening and annular vestlet three parts thereof.

Further, upward, inclined tube clear layer mud district,

middle part

11,36 bottoms are equipped with interior ring-type porous spoil disposal

endless tube

27,51, outer ring-like

porous shore pipe

28,52 and spoil

disposal house steward

29,53, stretch out the outer spoil disposal house steward 29 of housing, 53 are provided with the timing of control top inclined tube clear layer body refuse, the electronic fast

opening butterfly valve

30,54 of intermittent discharge.

Wherein, upward, interior ring-type porous washpipe 31 is established at 20,45 tops, inclined tube clear layer tube settling district, middle part, 55, outer ring-like

porous washpipe

32,56 all are communicated with flushing house steward 33,57, stretch out the electronic fast opening butterfly valve 35 that the outer flushing house steward 34 of housing is provided with the timing interruption flushing of control inclined tube.

Particularly, the water outlet catchment area 59 of bottom filter material layer links to each other with the total rising pipe 60 of filter back water, total rising pipe 60 is provided with water outlet electric butterfly valve 61, and oil eliminator bottom filtrate back flushing water inlet pipe 62 is provided with backwash water inlet electric butterfly valve 63, and is connected with total rising pipe 60 by elbow 64 and threeway 65.

Further, be positioned at division board 3 following filtrate water inlet water distributing area 26 tops and be provided with filtrate back flushing water shoot 66, the outer back flushing water shoot 66 of extending equipment is provided with the back flushing draining electric butterfly valve 67 that is used for filtering layer is carried out back flushing draining control.

Wherein, be provided with compressed air distribution endless tube 68 and inlet manifold 69 that backwash is used in the water outlet catchment area 59 of bottom filter material layer, the outer inlet manifold 69 of extending equipment is provided with the air inlet electric butterfly valve 70 that is used for filtering layer is carried out air back flushing control.

Above-mentioned structure compared with prior art, collects mixing, flocculation reaction, clarification, precipitates and is filtered into integrated.The utility model oil eliminator is divided into three layers: top is identical and inclined tube clear layer parallel running with the middle part, and the bottom is the water outlet filtering layer, thereby oil eliminator can be designed to the vertical type equipment of the big height of minor diameter.Adopt peripheral hardware line mixer, in hydroelevator and the sand filter blanket established be positioned at the bottom, pond, impel active sludge internal recycle in the pond, and make into impurity particle and established body refuse contact flocculation in the water, after the tube settling pulp water separates, primary water is flowed to the bottom filtering layer and discharges after sand filters, for collecting mixing, flocculation reaction, clarification, precipitate and be filtered into incorporate efficient electrochemical deoiling settling vessel equipment.Therefore, compare with other oil eliminators, the integrated integrated equipment of the utility model efficient degreasing device, but have advantages such as compact construction centralized arrangement, floor space be little.

The present invention can simplify sewage treatment process.The utility model is collection clarifying contaminated liquids, filtration and the integrated pressure type efficient degreasing device of pressure-bearing, compare with other oil eliminators, can save equipment, pipeline and the construction of structures of these three links between tower force (forcing) pump group and rapid filter on hot tub, the hot water, and this two bulks operation between second pond and strainer is merged into processing structures, so the utility model efficient degreasing utensil has sewage treatment process, the reduced investment of simplification, is convenient to advantage such as centralized management.

Sand filter blanket is set up in the utility model bottom, when stablizing effluent quality, can improve the hydraulic load 50%～100% of unit surface.The unit surface hydraulic load of existing chemical oil remover is difficult to improve because of the restriction that is subjected to effluent quality.The quartz sand filtering layer is set up in the utility model bottom, the top primary water is flowed to the bottom downwards and discharges behind quartz sand filtration, when stablizing effluent quality, the hydraulic load that can increase the oil eliminator unit surface effectively can improve 50%～100%, but reduction equipment diameter, save facility investment, capacity of resisting impact load is strong.

The utility model is unpowered equipment, and the medicament hybrid reaction is abundant.Existing chemical oil remover medicament adopts the line mixer one-level to mix and the paddle wheel first order reaction, and medicament is difficult to thorough mixing and reaction.And in the utility model, medicament adopts secondary to mix and first order reaction, has guaranteed the high efficiency of medicament hybrid reaction, has reduced dosage simultaneously, has saved medicament expense usefulness.Line mixer: the one-level of two kinds of medicaments is mixed: utilize intake pressure to adopt efficient line mixer that coagulating agent and oil flocculant are carried out dispensing of priority orderliness and the fixing quick medicament hybrid mode of the static turbulent flow of screw-blade, make Yuan Shui and two kinds of medicaments carry out thorough mixing before entering the water sprayer nozzle.Body refuse refluxes and promotes and secondary mixing water sprayer: three kinds of particle secondarys of iron scale coagulation particulate, these two kinds of newborn particulates of oily flocculated particles and backflow body refuse mix: utilize intake pressure to adopt the high velocity turbulent flow turbulent fluctuation high strength high-level efficiency waterpower of water sprayer and trunnion to mix trans.Central tube reactor: can utilize intake pressure that these three kinds of particles of former water iron sheet particle, oily flocculated particles and backflow body refuse particle are carried out laminar flow regime flocculation reaction under eddy flow rising hydraulics at the central tube reaction chamber that is provided with screw-blade, thereby form the macrobead of oil bag body refuse.Therefore the utility model all adopts waterpower to mix and reaction, does not need to be provided with electric blender and carries out dynamic mixing and reaction, is unpowered equipment, can prolong the equipment life cycle, reduces maintenance of the equipment, saves the operation electricity charge.

The utility model oil removal efficiency height, mud quantity of reflux are big.The mud of existing chemical oil remover refluxes and relies on the paddle wheel that is installed in the middle part, pond is the backflow body refuse with the lower concentration mud mechanical lifting on top, mud district, and its body refuse backflow concentration is low, quantity of reflux is little, can directly cause the water outlet weak effect.And in the utility model, the water sprayer of the water inlet pipe end by being installed in mud district middle part, hydraulic hoist is in the high density body refuse at mud enriched layer middle part, be back to central tube flocculation reaction chamber, pond, therefore the utility model high concentration sludge of relying on the waterpower of water sprayer to take out to rise the enriched layer middle part has guaranteed 3～5 times body refuse quantity of reflux as the backflow body refuse.Impurity particle has more collision opportunity in the backflow body refuse of a large amount of high densitys and the former water that added medicament, because of the impurity particle particle diameter in flocculation particle in the backflow body refuse and the water inlet differs bigger, flocculating effect is good, can give full play to the contact percolation throwing out of high density backflow body refuse, therefore further optimized treatment effect of the present utility model, also promoted variation adaptability the former water water yield, water quality and water temperature.

The utility model can make full use of into water overbottom pressure.The efficient degreasing device is as secondary sedimentation basins, its water inlet generally all is the water pump pressurization by an iron sheet settling tank, the water sprayer that the utility model adopts just in time can make full use of the overbottom pressure of this part pressure water inlet, does not need like this to adopt water pump to pressurize specially because adopt water sprayer.Former water is from the nozzle of bottom, pond through water inlet pipe and water sprayer, utilize the water inlet overbottom pressure that former water is indoor to pond central tube flocculation reaction from the nozzle high-velocity jet, under the promotion of current, pulp water flow to the tube settling district then, after pulp water separated, primary water went out from the overflow weir overflow of top, pond.

The utility model can realize that water outlet is even, improves effluent quality.In the prior art, body top, oil eliminator pond clear water zone adopts annular collecting vat gravity free discharge, because of factors such as annular collecting vat manufacturing and installations, tends to make the water outlet overflow weir not on same sea line, its water outlet homogeneity is restricted, and directly influences effluent quality.And in the utility model, the water outlet of two settling sections in top and middle part is all adopted can the bottom and the disc water-collecting tray pressure-bearing water outlet of circumferential water feed, and this pressure water outlet can guarantee the homogeneity of water outlet, helps improving deposition efficiency, the raising effluent quality.

The utility model can realize that spoil disposal evenly, fast and thoroughly.In the prior art, bottom, pond shore pipe adopts the single tube spoil disposal usually, is difficult to satisfy the big flow of moment of spoil disposal, quick and uniform requirement.Two settling sections in the utility model top and middle part adopt the perforated tube sludge drainage system that is separated from each other, can independently discharges, the spoil disposal in each district adopts two continuous annular porous spoil disposal arms, a spoil disposal house steward and fast open form electric butterfly valve thereof, can realize spoil disposal fully, evenly, fast and moment big flow spoil disposal, when regularly emptying mud district accumulates mud fast in a sludge discharging period, avoided because of mud stops up oil eliminator, to prolong the equipment life cycle.

The utility model is convenient to maintenance of the equipment and maintenance.The utility model is a pressure-bearing type equipment, for prolonging the equipment life cycle, be convenient to maintenance of the equipment and maintenance, except that characteristics such as unpowered equipment recited above, fast thorough spoil disposal can prolong the equipment life cycle, also taked following measure: 1, the inclined tube layer was provided with flushing pipe.The utility model adopts wide aperture heavy wall inclined tube, and the inclined tube top is provided with two annular high pressure water washing pipelines that have nozzle simultaneously, and periodic flushing is deposited on the mud of inclined tube inwall, has avoided because of mud stops up the tube settling layer, to prolong the equipment life cycle.2, filtering layer adopts gas, water mix backwash.The bottom sand filter blanket adopts the individual layer grating quartz sand than the coarse grain footpath, and adopt gas, water mix backwash, wherein water outlet can be used as the back flushing water source of another oil eliminator after the filter of an oil eliminator, automatically or regularly carry out back flushing according to Inlet and outlet water pressure reduction or time cycle, combined water and air backwash can carry out back flushing to the quartz sand filtering layer comparatively up hill and dale, to prolong the equipment life cycle.3, the utility model adopts control automatically, and is simple to operate.The utility model integrates continuous water inlet, continuous effluent, the backwash of filtration air water interruption, is interrupted spoil disposal and the backwash of inclined tube interruption, all adopts electronic timing automatic or Artificial Control, and is simple to operate.The utility model equipment top, three layers of sidewall of upper, middle and lower and interlayer all are provided with inspection manhole in addition, and device bottom is provided with blow-down pipe, is convenient to the maintenance of equipment.

Steel construction pond body can shorten the construction period.The utility model all adopts the steel construction welding production, the one supply in full sets, compare traditional steel and concrete structure pond body, reduced civilwork engineering quantity, shortened the construction period of entire equipment, steel construction device fabrication simultaneously and on-the-spot installation in position are more flexible, can adapt to the needs of engineering site total arrangement.

Description of drawings

Fig. 1 is the plan structure synoptic diagram of the utility model specific embodiment.

Fig. 2 be among Fig. 1 along A-A to the sectional structure synoptic diagram.

Embodiment

Below in conjunction with drawings and Examples the utility model is described in further detail.

As shown in Figure 1 and Figure 2, the integrated oil eliminator of double pressure formula of the present utility model, comprise oil eliminator steel pressure-bearing shell 1, housing 1 is divided into top inclined tube clear layer, middle part inclined tube clear layer and three layers of bottom filtering layer, its middle and upper part and middle part are the beds of precipitation of two identical, independences and parallel running, be provided with division board 2 two beds of precipitation in top and middle part are separated fully, be provided with division board 3 middle part inclined tube clear layer and bottom filtering layer are separated fully.Oil eliminator water inlet manifold 4 is provided with into water electric butterfly valve 5 and line mixer 6, and line mixer 6 feed-water ends are provided with coagulating agent dosing mouth 7, and the water side is provided with oil flocculant dosing mouth 8.Water inlet manifold 4 is provided with two water inlets from oil eliminator bottom and is in charge of: wherein a water inlet is in charge of 9 and is entered oil eliminator top inclined tube clear layer, and another root water inlet is in charge of 10 and is entered oil eliminator middle part inclined tube clear layer.

Top inclined tube clear layer: water inlet is in charge of 9 the end water sprayer nozzle 12 interior with being located at inclined tube clear layer mud district, top 11 and is connected, nozzle 12 is installed in the annular vestlet 13 of a trumpet type, and the serrated end on annular vestlet 13 tops is connected with the trunnion 14 of water sprayer.Top inclined tube clear layer is provided with internal partition 15 and external partition 16, be provided with pod apertures 17 around the top of internal partition 15 simultaneously, central tube reaction chamber 18 is communicated with annulus diversion chamber 19, between external partition 16 and housing 1, be provided with tube settling district 20, by tube settling district 20 the annulus columnar region between external partition 16 and the housing 1 is separated into the clear water zone 22 on the separate chamber 21 and the top of bottom like this, inclined tube clear layer top, top is provided with the disk 23 that catchments, catchmenting, sidewall and bottom outer rim annulus are provided with prosopyle 24 around the disk 23, and the rising pipe 25 that passes through the disk sidewall is communicated with the water inlet water distributing area 26 of bottom filter layers, the primary water of clear water zone 22 is pooled to the disk 23 that catchments by prosopyle 24, enters the oil eliminator bottom filter layers by rising pipe 25 again and filters the back discharge.11 bottoms, mud district are equipped with interior porous spoil disposal endless tube 27, outer porous spoil disposal endless tube 28 and spoil disposal house steward 29, and the spoil disposal house steward 29 who stretches out outside the pond is provided with electronic fast opening butterfly valve 30, controls the timing intermittent discharge of top inclined tube clear layer body refuse.Porous flushing endless tube 31, outer porous flushing endless tube 32 and flushing house steward 33 in 20 tops, tube settling district are equipped with, the flushing house steward 34 who stretches out outside the pond is provided with electronic fast opening butterfly valve 35, is used to control timing, the interruption flushing of inclined tube.

Middle part inclined tube clear layer: water inlet is in charge of 10 the end water sprayer nozzle 37 interior with being located at inclined tube clear layer mud district, middle part 36 and is connected, nozzle 37 is installed in the annular vestlet 38 of a trumpet type, and the serrated end on annular vestlet 38 tops is connected with the trunnion 39 of water sprayer.Middle part inclined tube clear layer is provided with internal partition 40 and external partition 41, be provided with pod apertures 42 around the top of internal partition 40 simultaneously, central tube reaction chamber 43 is communicated with annulus diversion chamber 44, between external partition 41 and housing 1, be provided with tube settling district 45, by tube settling district 45 the annulus columnar region between external partition 41 and the housing 1 is separated into the clear water zone 47 on the separate chamber 46 and the top of bottom like this, the inclined tube clear layer top, middle part that is positioned under the division board 2 is provided with the disk 48 that catchments, catchmenting, sidewall and bottom outer rim annulus are provided with prosopyle 49 around the disk 48, and the rising pipe 50 that passes through the disk sidewall is communicated with the water distributing area 26 of bottom filter layers, the primary water of clear water zone 47 is pooled to the disk 48 that catchments by prosopyle 49, enters the oil eliminator bottom filter layers by rising pipe 50 again and filters the back discharge.36 bottoms, mud district are equipped with interior porous spoil disposal endless tube 51, outer porous spoil disposal endless tube 52 and spoil disposal house steward 53, and the spoil disposal house steward 53 who stretches out outside the pond is provided with electronic fast opening butterfly valve 54, control the timing intermittent discharge of middle part inclined tube clear layer body refuse.45 tops, tube settling district are equipped with interior porous flushing endless tube 55, outer porous flushing endless tube 56 and flushing house steward 57, and the flushing house steward 34 who stretches out outside the pond is provided with electronic fast opening butterfly valve 35, the timing of control inclined tube, interruption flushing.

Bottom filter layers: bottom filter layers is made up of water inlet water distributing area 26, quartz sand filter media 58, water outlet catchment area 59 3 parts, the primary water of top inclined tube clear layer enters water inlet water distributing area 26 in the oil eliminator bottom filter layers by catchment disk 23 and rising pipe 25, and the primary water of middle part inclined tube clear layer enters water inlet water distributing area 26 in the oil eliminator bottom filter layers by catchment disk 48 and rising pipe 50.Quartz sand filter media 58 bottoms link to each other with water outlet catchment area 59, water outlet catchment area 59 links to each other with the total rising pipe 60 of oil eliminator bottom filter back water, total rising pipe 60 is provided with water outlet electric butterfly valve 61, oil eliminator bottom filtrate back flushing water inlet pipe 62 is provided with backwash water inlet electric butterfly valve 63, and be connected with total rising pipe 60 by elbow 64 and threeway 65, be positioned at division board 3 following water inlet water distributing area 26 tops and be provided with filtrate back flushing water shoot 66, the outer back flushing water shoot 66 of extending equipment is provided with back flushing draining electric butterfly valve 67, is used for filtering layer is carried out back flushing draining control.Be provided with compressed air distribution endless tube 68 and inlet manifold 69 that backwash is used in the water outlet catchment area 59, the outer inlet manifold 69 of extending equipment is provided with air inlet electric butterfly valve 70, is used for that filtering layer is carried out timing and is interrupted air backwash control.

In the present embodiment, rounded with reference to Fig. 2 housing 1, the material of housing 1 adopts welded steel plate to form.Single seat internal diameter of the present utility model is generally chosen: Single seat is handled the water yield and is generally chosen Q=100～800m ³/ h.Influent quality: ss suspended solid≤200～500mg/L, oil≤30～50mg/L.Effluent quality: ss suspended solid≤5～20mg/L, oil≤2～5mg/L.

Be provided with efficient line mixer 6 with reference to the inlet channel in Fig. 1 present embodiment, coagulating agent and oil flocculant are carried out priority orderliness dispensing mixing.Mixing tank flow velocity: 1.0～1.5m/s; Head loss in the pipe: greater than 0.5～1.0m, the about 1500～3500mm of mixer length; Present embodiment need add two kinds of medicaments: coagulating agent and oil flocculant.Coagulating agent is mainly used in the solid particulate that the suspended substance solid of removing in the sewage is particulate or colloidal state.The oils that oil flocculant can be used for removing in the sewage comprises oil in water emulsion and floating oil, can remove the solid particulate that the suspended substance solid comprises particulate and colloidal state simultaneously.The dosage of every kind of medicament is determined by test according to raw water quality.Two kinds of medicaments adopt independently separately dispensing of orderliness: earlier at the feed-water end dosing coagulant, add oil flocculant in the water side then, utilize follow-up water inlet straight tube, elbow and water sprayer that oil flocculant is mixed, can prolong mixing time, improve mixed effect.

Form by nozzle, trunnion and hydraucone and annular vestlet three parts thereof with reference to the water sprayer in Fig. 1 present embodiment, the nozzle and the clear distance between the trunnion of water sprayer can adopt fixed spacing, also can adopt the clear distance regulated of adjustable trunnion, its major function is that the secondary short mix of medicament and backflow body refuse, the waterpower of backflow body refuse are taken out liter.The body refuse quantity of reflux is 2～4 times of flooding velocity.Adopt plastic sheet hot pressing sexangle honeycomb inclined-tube with reference to the tube settling district 20 in Fig. 1 present embodiment and 45, be the regular hexagon section, material is non-toxic polyvinyl chloride or polypropylene; Internal diameter Φ 50～Φ 80mm, tiltedly long 1000mm, 60 ° at inclination angle.

Adopt the individual layer quartz sand filter media with reference to the bottom quartz sand filter media in Fig. 1 present embodiment 58, its composition: quartz sand particle size d10=0.55～1.6, nonuniformity coefficient K80＜1.4～2.0, filtrate thickness 0.6～1.6m, filtering velocity 7～45m/h, the quartz sand filtering layer adopts gas, water mix backwash, and the back flushing water source can be by special-purpose water pump pressurization, perhaps wherein after the filter of an oil eliminator water outlet can be used as the back flushing water source of all the other several oil eliminators.

Mud

district

11 and 36 in the present embodiment, its volume calculates by the sludge quantity in the sludge discharging period, adopts the interruption spoil disposal can improve body refuse spoil disposal concentration, reduces water consumption.Bottom, mud district is provided with many continuous porous spoil disposal endless tubes.The spoil disposal house steward is provided with quick electric spoil disposal butterfly valve outside the pond, and spoil disposal lasts and is controlled in 2～10 minutes, and sludge discharging period determines what according to iron scale dewatered sludge amount, is generally 8～24 hours.

Working process of the present utility model is as follows:

At first, the oily(waste)water of sending here from iron sheet settling tank booster pump chamber force (forcing) pump that contains certain intake pressure, through being installed in the line mixer 6 on the water inlet manifold 4, former water earlier feed-water end with add the coagulating agent 7 that comes and mix the back and pass through line mixer 6, then the water side with add next oil flocculant 8 and mix.Being in charge of 9 and 10 from oil eliminator bottom by two water inlets with two kinds of mixed former water of medicament will handle water yield evenly distribute and carry out the precipitation process parallel running simultaneously to top inclined tube clear layer and middle part inclined tube clear layer.

Wherein 50% the former water yield is in charge of the 9 water sprayer nozzles 12 that enter in the inclined tube clear layer mud district, top 11 from water inlet, utilize intake pressure to spray into trunnion 14 at a high speed through nozzle 12, hydraucone and annular vestlet 13 inner nozzles 12 thereof in trunnion 14 bottoms form negative pressuren zone on every side, thereby the high density backflow body refuse that is several times as much as 11 middle parts, mud district of former water is inhaled into trunnion 14, is sent to central tube reaction chamber 18 after violent the mixing with the backflow body refuse with two kinds of mixed former water of medicament in trunnion 14 and carries out flocculation reaction.The pulp water mixed solution of having finished flocculation reaction flows to separate chamber 21 through pod apertures 17 and annulus diversion chamber 19 to carry out pulp water with tube settling district 20 and separates.Primary water is upwards through clear water layer 22, be flowed to the disk 23 that catchments by prosopyle 24, be back to the water inlet water distributing area 26 of bottom filter layers then downwards through rising pipe 25, enter quartz sand filter media layer 58 and carry out sand filtration, filter back water is pooled to water outlet catchment area 59, and the total rising pipe 60 of water is discharged after the filter of oil eliminator bottom.Separate chamber 21 is interior to the body refuse that is deposited to sludge blanket 11 down: wherein a part of body refuse is drawn into by the nozzle 12 of water sprayer and forms backflow body refuse reflux cycle again in the trunnion 14, so go round and begin again, the ratio of raw water flow and body refuse quantity of reflux is adopted as 1: 2 to 1: 5.Another part body refuse then is deposited on sludge blanket 11 bottoms, by interior porous spoil disposal endless tube 27, outer porous spoil disposal endless tube 28 and spoil disposal house steward 29, is interrupted in a sludge discharging period and discharges.Adopt electronic fast opening butterfly valve 30 to control the timing and the intermittent discharge of top inclined tube clear layer body refuse.The removing of the long-time sedimentary body refuse of inclined tube inwall, interior porous flushing endless tube 31, outer porous flushing

endless tube

32 and 33 pairs of inclined tubes of flushing house steward that employing is installed in 20 tops, tube settling district carry out regular back flushing, by the timing flushing of electronic fast opening butterfly valve 35 control inclined tubes.

All the other former water yields of 50% are in charge of 10 from water inlet and are entered into middle part inclined tube clear layer and carry out clarifying treatment, and the clarifying treatment working process of middle part inclined tube clear layer is identical with top inclined tube clear layer.

Bottom quartz sand filtering layer adopts gas, water mix backwash, and the back flushing water source can be by special-purpose water pump pressurization, perhaps wherein after the filter of an oil eliminator water outlet can be used as the back flushing water source of all the other several oil eliminators.Backwashing water enters quartz sand filter media layer 58 through oil eliminator bottom filtrate back flushing water inlet pipe 62, and filtrate is carried out water backwashing.Pressurized air enters quartz sand filter media layer 58, and filtrate is carried out the gas back flushing by inlet manifold 69 and distribution endless tube 68.The air water mixed solution that gas, water mix backwash quartz sand filter media layer 58 are produced is discharged by back flushing water shoot 66.Air water mixing backwash cycle and backwash time are by water inlet electric butterfly valve 5, water outlet electric butterfly valve 61, back flushing feedwater electric butterfly valve 63, back flushing draining electric butterfly valve 67 and air inlet electric butterfly valve 70 these five electrically operated valves carry out the timing back flushing by the program of setting or by the differential pressure back flushing to filtering layer.

The utility model is not limited to above-mentioned embodiment, no matter do any variation on its shape or structure, every to utilize the above-mentioned integrated oil eliminator of double pressure formula all be a kind of distortion of the present utility model, all should think and drop within the utility model protection domain.

Claims

1. integrated oil eliminator of double pressure formula, it is characterized in that, comprise the housing (1) that is provided with water inlet pipe (4), described housing (1) inside is divided into top inclined tube clear layer, middle part inclined tube clear layer and three layers of bottom filtering layer, its middle and upper part and middle part are the beds of precipitation of two identical, independences and parallel running, housing (1) is provided with division board (2) two clear layer in top and middle part is separated fully, is provided with division board (3) middle part inclined tube clear layer and bottom filtering layer are separated fully; Water inlet pipe (4) extends internally from housing bottom and establishes two water inlets and be in charge of, and wherein a water inlet is in charge of (9) and is entered top inclined tube clear layer, and another root water inlet is in charge of (10) and is entered middle part inclined tube clear layer,

Upward, middle part inclined tube clear layer concrete structure, inside top is provided with the disk (23 that catchments, 48), the described disk that catchments (23,48) is provided with prosopyle (24,49) and the water outlet that is communicated with described bottom filtering layer is in charge of (25,50), the bottom is provided with tubular internal partition (15,40) and external partition (16,41); Form the ring-type diversion chamber (19 that the bottom is communicated with described top inclined tube clear layer between the inside and outside dividing plate of described tubular, 44), be provided with pod apertures (17,42) around the described internal partition top, this pod apertures is communicated with internal partition internal-response chamber (18,43) and described ring-type diversion chamber; Described water inlet is in charge of (9,10) and is stretched into this tubular internal partition (15,40) bottom from described housing bottom; Annulus columnar region between external partition (16,41) and housing is separated into: the disengaging zone (21,46) of the mud district (11,36) of bottom, the tube settling district (20,45) at middle part, bottom and the clear water zone (22,47) that the disk that catchments (23,48) are established on top;

The bottom filtering layer, form by water inlet water distributing area (26), quartz sand filter media district (58), water outlet catchment area (59) three parts from top to bottom, described rising pipe is communicated with this water distributing area, water distributing area top is provided with filtrate back flushing water shoot (66), quartz sand filter media district bottom links to each other with the water outlet catchment area, and the total rising pipe of water (60), filtrate back flushing water inlet pipe (62) are connected with pressurized air backwash inlet pipe (69) after water outlet catchment area and the filter that is located at housing bottom.

2. the integrated oil eliminator of double pressure formula as claimed in claim 1 is characterized in that described housing is the pressure-bearing type steel shell, and case top is provided with automatic exhaust steam valve (71) and safety valve (72).

3. the integrated oil eliminator of double pressure formula as claimed in claim 2, it is characterized in that, the described water inlet pipe (4) that is positioned at described hull outside is provided with water electric butterfly valve (5) into and with the line mixer (6) of two dosing mouths, line mixer (6) feed-water end is provided with coagulating agent dosing mouth (7), and the water side is provided with oil flocculant dosing mouth (8); Described line mixer and water sprayer carry out that waterpower is mixed and reaction provides power for the sewage of enclosure interior stirs.

4. the integrated oil eliminator of double pressure formula as claimed in claim 3, it is characterized in that the end and the water sprayer nozzle (12 of (9,10) is in charge of in water inlet, 37) be connected, nozzle (12,37) is installed in the annular vestlet (13,38) of a horn-type opening, annular vestlet (13,38) trunnion (14,39) with water sprayer is connected, and water sprayer is made up of nozzle, trunnion and horn-type opening and annular vestlet three parts thereof.

5. the integrated oil eliminator of double pressure formula as claimed in claim 3, it is characterized in that, upward, inclined tube clear layer mud district, middle part (11,36) ring-type porous spoil disposal endless tube (27,51), outer ring-like porous shore pipe (28,52) and spoil disposal house steward (29 in the bottom is equipped with, 53), stretch out the outer spoil disposal house steward (29,53) of housing and be provided with the timing of control top inclined tube clear layer body refuse, the electronic fast opening butterfly valve (30,54) of intermittent discharge.

6. the integrated oil eliminator of double pressure formula according to claim 5, it is characterized in that: last, inclined tube clear layer tube settling district, middle part (20,45) ring-type porous washpipe (31 in establish at the top, 55), outer ring-like porous washpipe (32,56) all with the flushing house steward (33,57) be communicated with, stretch out the electronic fast opening butterfly valve (35) that the outer flushing house steward (34) of housing is provided with the timing interruption flushing of control inclined tube.

7. the integrated oil eliminator of double pressure formula according to claim 6, it is characterized in that: the water outlet catchment area (59) of bottom filter material layer links to each other with the filter back total rising pipe of water (60), total rising pipe (60) is provided with water outlet electric butterfly valve (61), oil eliminator bottom filtrate back flushing water inlet pipe (62) is provided with backwash water inlet electric butterfly valve (63), and is connected with total rising pipe (60) by elbow (64) and threeway (65).

8. the integrated oil eliminator of double pressure formula according to claim 7, it is characterized in that: be positioned at following filtrate water inlet water distributing area (26) top of division board (3) and be provided with filtrate back flushing water shoot (66), the outer back flushing water shoot (66) of extending equipment is provided with the back flushing draining electric butterfly valve (67) that is used for filtering layer is carried out back flushing draining control.

9. the integrated oil eliminator of double pressure formula according to claim 8, it is characterized in that: be provided with compressed air distribution endless tube (68) and inlet manifold (69) that backwash is used in the water outlet catchment area (59) of bottom filter material layer, the outer inlet manifold (69) of extending equipment is provided with the air inlet electric butterfly valve (70) that is used for filtering layer is carried out air back flushing control.