CN207451766U - A kind of oil-containing sewage treatment system - Google Patents

A kind of oil-containing sewage treatment system Download PDF

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Publication number
CN207451766U
CN207451766U CN201721379525.6U CN201721379525U CN207451766U CN 207451766 U CN207451766 U CN 207451766U CN 201721379525 U CN201721379525 U CN 201721379525U CN 207451766 U CN207451766 U CN 207451766U
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oil
gun barrel
sewage treatment
treatment system
wastewater
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杨浩
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EAGLE METALWARE Co Ltd
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EAGLE METALWARE Co Ltd
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Abstract

The utility model discloses a kind of oil-containing sewage treatment systems, including the first gun barrel, the second gun barrel and sewage treatment pot being sequentially connected, filter layer and demulsification layer are provided in first gun barrel, oily wastewater is filtered and is demulsified, realizes grease initial gross separation;Coarse separation device is provided in second gun barrel, the oily wastewater of initial gross separation is subjected to coarse separation;Activated carbon adsorption filter and fibers adsorption filter are provided in sewage treatment pot, the purified treatment before being discharged to sewage, to ensure compliance with discharge standard.The utility model is simple and compact for structure, operating cost is low, oil-water separation is good, realize that the purification of the quick separating and sewage of the medium oil substance of oily wastewater is discharged using the method for pure physics, and realize the recycling of oil, it solves environmental pollution and problem of resource waste, is suitble to the various various concentrations of processing and the oily wastewater of various composition complexity, have a wide range of application, there is very high industrial utility value.

Description

A kind of oil-containing sewage treatment system
Technical field
The utility model is related to water-treatment technology field more particularly to a kind of oil-containing sewage treatment systems.
Background technology
With the fast development of Chinese economy, environmental protection and resource reutilization are increasingly taken seriously, however, Industry Waste Water and sanitary sewage are growing day by day, and in increasingly severe trend, the main source of water pollution is the degree of water pollution in China Industrial wastewater, for discharge capacity, oily wastewater is occupied first of all types of industries waste water, and source is distributed in all trades and professions, such as oil Processing, refinement, storage and the transport of industrial petrochina and oil product, the cutting fluid generated in machine-building processing industry and cleaning Liquid, the emulsifying waste water that the operation of rolling is discharged in metallurgical industry, locomotive waste water, the oil-washing tank of railway locomotive depot give up in transportation industry Water, food industry, textile industry, other manufacturing waste water and kitchen waste water etc..Containing a large amount of precious in these oily waste waters Expensive oily resource if be not recycled, can cause the wasting of resources;If being directly discharged into river, lake or bay, can pollute Water body influences aquatile existence;If being directly used in agricultural irrigation, interstices of soil can be blocked, interferes crop growth.Therefore Water-oil separating, the oily processing such as resource recycling and the dirty water decontamination handles should be carried out to it before oily wastewater is discharged.
Prior art discloses the methods of a variety of water-oil separatings, such as air-float method, flocculence and ionization method.But using gas Float method equipment easily blocks;The chemical reagent added in using flucculation process can cause the secondary pollution of water quality and separation rate is not It is high;Larger electric energy loss can be brought while separation rate is improved using ionization method.Also, traditional sewage disposal device is deposited In the problems such as bulky, oil and water separation capability is relatively low, discharge standard is technically had been unable to meet;New UF membrane is set Standby, cyclonic separation equipment manufacture is more demanding, and the cost of equipment is high, more demanding to the supplied materials of processing material, to a certain degree Constrain its promotion and application scope.
Utility model content
The purpose of this utility model is to provide a kind of oil-containing sewage treatment system, solve water-oil separating efficiency it is low, because of oil Environmental pollution and problem of resource waste caused by water can not be kept completely separate.
For this purpose, the utility model uses following technical scheme:
A kind of oil-containing sewage treatment system, including the first gun barrel, the second grease point being sequentially connected by pipeline From tank and sewage treatment pot, wherein:
The lower sides of first gun barrel are provided with the first wastewater inlet, and top is provided with the first sewage and goes out Mouthful, first wastewater inlet connects with external cesspool and liquid feeding pump is provided on connecting pipe, first water-oil separating Filter layer is disposed in tank from down to up and demulsification layer, first wastewater inlet are located at the lower section of the filter layer, institute The first gun barrel is stated for carrying out initial gross separation to oily wastewater;
The upper portion side wall of second gun barrel is provided with the second wastewater inlet and oil discharge outlet, and lower sides are provided with Second outlet of sewer, the oil discharge outlet are higher than second wastewater inlet, and second wastewater inlet goes out with first sewage Mouth connects, and coarse separation device is provided in second gun barrel, and second gun barrel is used for described in warp Oily wastewater after first gun barrel initial gross separation carries out coarse separation;
The 3rd wastewater inlet is provided at the top of the sewage treatment pot, lower part is provided with discharge outlet, the 3rd sewage Import is connected with second outlet of sewer, and the discharge outlet is connected with externally drained pond.
Preferably, the filter layer includes flow distribution plate and filter core, and the filter core is uniformly distributed in the upper table of the flow distribution plate Face.
Preferably, the filler of the demulsification layer is by oleophylic or the treatable material medium of hydrophily.
Preferably, the coarse separation device includes the draw-off tray positioned at the second grease process tank top, the collection Food tray has the umbellate form disk body of opening for top, and the draw-off tray is fixed on the inner wall of the second grease process tank, described Overthe openings have been horizontally disposed with oil baffle, and the oil discharge outlet is located at the lowest part of the draw-off tray, the second wastewater inlet position On side wall below the draw-off tray.
Preferably, the top of second gun barrel is additionally provided with heating unit, and the heating unit is closely described Oil discharge outlet is set.
Preferably, liquid distributor is additionally provided with below the draw-off tray, second wastewater inlet is connected with the liquid distributor.
Preferably, the sewage treatment pot includes the activated carbon adsorption filter and fiber from top to bottom set gradually suction Attached filter.
Preferably, the filter core material is pearl cotton, quartz sand, anthracite, polyethylene or polypropylene.
Preferably, the liquid feeding pump is single-screw (single screw) pump.
Preferably, electro connecting pressure gauge and power control cabinet group are further included, the electro connecting pressure gauge is mounted on the described first oil On water separation tank, the second gun barrel and sewage treatment pot, for carrying out online pressure detecting, the power control cabinet group with it is described Liquid feeding pump and electro connecting pressure gauge electrical connection.
The beneficial effects of the utility model are:
(1) the oil-containing sewage treatment system oil-water separation of the utility model is good, and oil removal efficiency is high, and the oil after separation Recoverable, through the system treated oily wastewater, water outlet oil content≤10mg/L meets discharge standard;Whole system The purification that can realize oil slick in oily wastewater, dispersed oil, the quick separating of oil emulsion and sewage using the method for pure physics is arranged It puts, and realizes the recycling of oil, any chemical agent need not be added during the work time, do not destroy oil minor structure, it is maximum The loss for reducing raw material of limit without any harmful bi-products and derivative, had not only saved a large amount of processing costs but also will not Secondary pollution is caused, operation and maintenance cost is relatively low, has significant economic benefit;
(2) equipment of the oil-containing sewage treatment system has simple and compact for structure, and operation is simple, convenient to install and maintain, property The advantages that energy is reliable, and operation energy consumption is low, and stable and continuity is good makes full use of Gravity Separation characteristic and different separation materials Characteristic, the oily wastewater operating mode higher to various intractabilities have extensive adaptability, be suitble to the various differences of processing dense The oily wastewater of degree and various composition complexity, has a wide range of application, and has very high industrial utility value;
(3) oil-containing sewage treatment system separately carries out demulsification process and oil water separation process, has elongated disengaging time, It can effectively prevent anti-molten;Oily wastewater flows through demulsification layer from the bottom to top, and since the proportion of oil is less than water, such bottom in and top out is set Meter ensure that oil will not be anti-molten, and the molten ability of counnter attack of the system is furthermore achieved;
(4) system is prompted to carry out backwash by the way that electro connecting pressure gauge is set to carry out on-line checking to equipment operating pressure Or filter element replacing, filter core service life is improved, improves water-oil separating efficiency, ensures water outlet quality;The system is by power control cabinet group control System operation, realization oil water separation process and the dirty water decontamination handles process are automatically performed, and Operation and Maintenance is simple, mitigate worker's work Intensity.
Description of the drawings
Fig. 1 is the structure diagram of the oil-containing sewage treatment system of the utility model.
In figure:
The first gun barrels of 1-;The first wastewater inlets of 11-;The first outlets of sewer of 12-;13- filter layers;131- is shunted Plate;132- filter cores;14- demulsification layers;15- sewage draining exits;
The second gun barrels of 2-;The second wastewater inlets of 21-;22- oil discharge outlets;The second outlets of sewer of 23-;24- draw-off trays; 241- is open;25- oil baffles;26- heating units;27- liquid distributors;28- gravity Agglomerative separating plates;29- liquid traps;
3- sewage treatment pots;The 3rd wastewater inlets of 31-;32- discharge outlet;33- activated carbon adsorption filters;34- fibers are inhaled Attached filter;341- corrugated platings;342- fibrous layers;The snakelike drainpipes of 35-;
4- cesspools;
5- liquid feeding pumps.
Specific embodiment
Below in conjunction with the accompanying drawings the technical solution of the utility model is further illustrated with embodiment.It is understood that this Locate described specific embodiment to be used only for explaining the utility model rather than the restriction to the utility model.It further needs exist for Illustrate, illustrate only for ease of description, in attached drawing with the relevant part of the utility model and it is not all.
As shown in Figure 1, the present embodiment provides a kind of oil-containing sewage treatment system, for the oil-containing to life or industrial discharge Sewage is filtered and water-oil separating, to reach discharge standard.The oil-containing sewage treatment system include the first gun barrel 1, Second gun barrel 2 and sewage treatment pot 3, three tank bodies are sequentially connected by pipeline.
The lower sides of first gun barrel 1 are provided with the first wastewater inlet 11, for connecting external cesspool 4, And liquid feeding pump 5 is provided on connecting pipe, for the oily wastewater in cesspool 4 to be pumped into the first gun barrel 1.Tank body Top is provided with the first outlet of sewer 12, and bottom is provided with sewage draining exit 15.It is set gradually from down to up in first gun barrel 1 There are filter layer 13 and demulsification layer 14, the first wastewater inlet 11 to be located at the lower section of filter layer 13, to ensure oily wastewater from the first oil The bottom of water separation tank 1 enters, real followed by being flowed out after filter layer 13 and demulsification layer 14 from first outlet of sewer 12 at top Now to the filtering and initial gross separation of oily wastewater.5 preferred single-screw (single screw) pump of liquid feeding pump in the present embodiment, single-screw (single screw) pump is in one kind The hermetic screw pump of engagement belongs to rotator type positive displacement pump, it will not cause to stir and destroy to input medium, avoid due to Pumping and caused by oil mixing with water degree increase.Process range increases, and can handle that content of impurities is more, viscosity is higher Oily wastewater.
Filter layer 13 includes flow distribution plate 131 and filter core 132, and filter core 132 is uniformly distributed in the upper surface of flow distribution plate 131.It crosses The purpose of filtering layer 13 is the suspended impurity removed in sewage, while reaches the requirement for the 14 pairs of water quality of layer that is demulsified in next step, with Exempt from the service life of influence demulsification 14 inner stuffing of layer.Flow distribution plate 131 is circular plate-like shape structure, is provided with multiple uniform points The cavity of cloth, can uniformly disperse hydraulic pressure, oily wastewater can be uniform and slow after the shunting function of flow distribution plate 131 to On flow through filter core 132, ensure fully filtering, reduce impact of the current to filter core 132.Filter core 132 is to outstanding in oily wastewater Floating impurity is filtered, and is reduced pollution of the oily wastewater to 14 filler of layer that be subsequently demulsified, is extended its service life, it is ensured that follow-up single The processing of member being capable of safe and stable operation.It is understood that it can be wrapped to improve filter efficiency and depuration quality, filter core 132 Multiple filtration material is included, and the mesh number of filtering material is followed successively by ascending arrangement from bottom to top, to realize to oily wastewater Successively fine filtering.Filtered, the granule foreign being relatively large in diameter falls into tank base, is discharged by sewage draining exit 15.The present embodiment In 132 material of filter core can be pearl cotton, quartz sand, anthracite, polyethylene or polypropylene in one or more.
Demulsification layer 14 can be demulsified to the fine oil droplets in oily waste water, and the oil emulsion in oily wastewater be carried out effective Stop and coarse, tiny oil droplet aggregate into larger oil droplet and floating on these materials, realize in oily wastewater oil and The initial gross separation of water.The filler being demulsified in layer 14 is by oleophylic or the treatable material medium of hydrophily, and oily waste water passes through Filtering layer 13 flows through demulsification layer 14 after filtering, contacted with oleophylic, the hydrophilic radical loaded on filler, abolish various breasts in stoste The elaioleucite of change state, and be enriched in lipophilic group surface, when the elaioleucite of lipophilic group surface enrichment increases, in water jet propulsion and close It spends under the collective effect of difference, elaioleucite departs from filler and tank body top is rapidly flowed toward together with current.The filler being demulsified in layer 14 can Think that the resin of nano modification carries base, modified Teflon, modified fibre felt etc..Further, since the proportion of oil is less than water, the The design of one gun barrel, 1 such bottom in and top out ensure that oil will not be anti-molten.
The upper portion side wall of second gun barrel 2 is provided with the second wastewater inlet 21, oil discharge outlet 22 and heating unit 26, under Portion's side wall is provided with the second outlet of sewer 23, and the second outlet of sewer 23 is oppositely arranged with the second wastewater inlet 21, and oil discharge outlet 22 is high It is set in the second wastewater inlet 21, closely oil discharge outlet 22 is set heating unit 26, when weather cold water temperature is less than 5 DEG C, need to be beaten It opens heating unit 26 to heat oil discharge outlet 22, be freezed with oil-stain-preventing, influence oil extraction, heating time and heating temperature can be according to reality Situation is adjusted.Second wastewater inlet 21 is connected with the first outlet of sewer 12, preliminary through the first gun barrel 1 for introducing Separated oily wastewater.It is provided with coarse separation device in second gun barrel 2, the second gun barrel 2 is used for through the Oily wastewater after one gun barrel, 1 initial gross separation carries out coarse separation, further reduces the oil content in oily wastewater.
Specifically, coarse separation device gathers from top to bottom including oil baffle 25, draw-off tray 24, liquid distributor 27 and gravity successively Separating plate 28 is tied, wherein, 24 level of draw-off tray is fixed in the upper inside wall of the second grease process tank, and draw-off tray 24 has for top There is the umbrella shape disk body of opening 241,241 upper horizontals of opening set oil baffle 25, storage is formed between oil baffle 25 and draw-off tray 24 Oily area, oil discharge outlet 22 are located at the lowest part of draw-off tray 24 namely the lowest part of reserve;The lower section of draw-off tray 24 is also horizontally disposed There is liquid distributor 27, the second wastewater inlet 21 is located on the side wall of 24 lower section of draw-off tray and is connected with liquid distributor 27;Under liquid distributor 27 Side is arranged at intervals with gravity Agglomerative separating plate 28, for carrying out gravitational settling and coarse separation to oily wastewater;Gravity coalescence point 28 lower section of plate is provided with liquid trap 29, liquid trap 29 is connected with the second outlet of sewer 23, and the second sewage mouth is connected with to be prolonged upwards The drainpipe stretched simultaneously connects sewage treatment pot 3.
Liquid distributor 27 is identical with 29 structure of liquid trap, is circular plate-like shape structure, is equipped with the pipeline arranged in length and breadth thereon, Pipeline is equipped with several holes.The pipeline arranged in length and breadth is equipped in the liquid distributor 27 of oil water separator, can guarantee will be containing greasy dirt Water pressure abrupt release effectively reduces the flow velocity of oily wastewater, and the pipeline arranged in length and breadth can increase the liquid in the unit interval Body throughput improves oil removing ability;Meanwhile by setting several holes on pipeline, the flow velocity of oily wastewater is further reduced, And liquid is made to be uniformly distributed in the second gun barrel 2, the separation caused by liquid is concentrated is avoided to be not thorough problem, containing greasy dirt After water is by hole, it can be flowed out with relatively low speed, avoid entrained oil caused by liquid turbulence, can once realize that grease thoroughly divides From.The pipeline arranged in length and breadth and hole on liquid trap 29 are set, also for increase oil removing ability and avoid the liquid after separation Body entrained oil.Gravity Agglomerative separating plate 28 is separately positioned on immediately below 27 each pipeline of liquid distributor, and material can be polypropylene board Or polyethylene board, for being continually colliding, adhering to, becoming larger by the small oil droplet in oily waste water, eventually form the oil of diameter bigger Pearl, which floats, to be separated so that separation rate higher.It is understood that centrifugal separating device pair can also be set below liquid distributor 27 Oily wastewater carries out water-oil separating.
Gravity Separation or the principle of centrifugation are different sedimentation coefficients and the water phase and oil of buoyant density in oily wastewater Mutually it is gradually disengaged, lighter oil phase floats up to 24 bottom of draw-off tray, is slowly moved up along the conical surface of bottom, while in movement Constantly aggregation in the process overflows across behind the outlet at the top of draw-off tray 24 due to the effect of oil baffle 25, is deposited in reserve, passes through The oil discharge outlet 22 of reserve bottom is discharged;The heavier water gravity Agglomerative separating plate 28 that hands down flows downward to liquid trap 29, passes through The second outlet of sewer 23 connected with liquid trap 29 is discharged.Further, oil discharge outlet 22 is horizontally disposed, and exit is communicated with Oil storage barrel (not shown) is recycled for collecting the fluid isolated.There is organic glass etc. on the oil storage barrel Form made of transparent material, convenient for manually observing oil-collecting situation.
The top of sewage treatment pot 3 is provided with the 3rd wastewater inlet 31, and lower part is provided with discharge outlet 32, the 3rd wastewater inlet 31 connect with the second outlet of sewer 23, and discharge outlet 32 is connected with externally drained pond (not shown).Sewage treatment pot 3 includes The activated carbon adsorption filter 33 and fibers adsorption filter 34 from top to bottom set gradually.Activated carbon adsorption filter 33 into one Step purification oil removing, fibers adsorption filter 34 carry out purification oil removing again, to improve the cleanliness factor for the water isolated.Activity Charcoal adsorption filter 33 is made of active-carbon bed, and current are from top to bottom by the activated carbon in activated carbon adsorption filter 33 Bed, trace suspension object, oily substance, organic pollution in water etc. are effectively intercepted by activated carbon, and the clear water after filtering penetrates Active-carbon bed flow in fibers adsorption filter 34 is further purified.In fibers adsorption filter 34 from top to bottom successively Successively vertical pile is provided with the corrugated plating 341 of through hole and fibrous layer 342, and current are on corrugated plating 341 under the guide functions of through hole Infiltrated fiber layer 342, due to having the fibrous material with bur in fibrous layer 342, the micro oil emulsion in water is by inside it Compacted fibers bur is hindered and absorbed, oil body and water body natural separation, the micro emulsification in water after repeatedly puncturing separation Oil is absorbed by fibrous material, and grease obtains natural separation, finally obtains the draining of the water that is fully cleaned up from 3 bottom of sewage treatment pot Mouth 32 is discharged.Preferably, the snakelike drainpipe 35 extended up is provided at discharge outlet 32, the flexible discharge of water is realized, keeps away Exempted from drainage speed it is rapid fast rapid slow and caused by system operation it is unstable.
In actual use, with the increase of containing filth amount in active-carbon bed and filter layer 13 filter core 132, activated carbon The hole of bed and filter core 132 gradually reduces, and filter effect reduces, and the loss of flood peak of filtering gradually increases, when disengaging differential water pressures reach To must just carry out backwash during certain value.The purpose of backwash is to make the reversely loosening, and will be on filtering layer of active-carbon bed and filter core 132 The pollution retained washes away, and has the function that clean filter bed, backwash water is not broken up with active-carbon bed and filter core 132 to be advisable. In actual use, variation and the first gun barrel 1 that should be according to effluent quality, the second gun barrel 2 and sewage disposal The adjustment backwash cycle such as pressure difference that tank 3 is imported and exported, it is ensured that the normal function and effluent quality of filtering layer.After backwash, water outlet , it is necessary to replace filter core 132 when oil content is still more.
Electro connecting pressure gauge is mounted on the first gun barrel 1, the second gun barrel 2 and sewage treatment pot 3 (not shown) carries out online pressure detecting, can be prompted to carry out backwash or replaced filter core with automatic alarm when system overpressure 132, while liquid feeding pump 5 is automatically stopped work.The oil-containing sewage treatment system further includes power control cabinet group (not shown), automatically controlled Cabinet group and liquid feeding pump 5, electro connecting pressure gauge, heating unit 26 etc. are electrically connected, and realize the automatical and efficient of entire oil water separation process Operation.
The course of work of the utility model is illustrated below:
Oily wastewater in cesspool 4 is flowed into through liquid feeding pump 5 from the bottom of the first gun barrel 1, from top to bottom successively Filter layer 13 and demulsification layer 14 are flowed through, is intercepted by the suspended impurity in oily wastewater that separates step by step of filtering layer 13, larger Sewage draining exit 15 of the grain through 1 bottom of the first gun barrel is discharged, and smaller particle is attracted in the hole of filter core 132, in backwash When recoiled and discharged to tank base through sewage draining exit 15;Oily wastewater after filtering continues up flowing and passes through demulsification layer 14, The filler being demulsified in layer 14 is demulsified to the fine oil droplets in oily waste water, and the oil emulsion in oily wastewater is effectively stopped And coarse, tiny oil droplet aggregate into larger oil droplet on these materials and float up to the water surface, realize oil in oily wastewater With the initial gross separation of water;Then, first outlet of sewer 12 of the oily wastewater through initial gross separation through 1 top of the first gun barrel The second gun barrel 2 is flowed into from top to bottom, the gravity fractionation of the coarse separation device in the second gun barrel 2 Under, oil and water realize and separate that warp float oil discharge outlet 22, which is expelled in oil storage barrel, on lighter oil phase recycles, and heavier water mutually passes through Second outlet of sewer 23 of 2 bottom of the second gun barrel is drained into sewage treatment pot 3, the purified treatment before being discharged;Contain The few sewage of oil mass successively flows through activated carbon adsorption filter 33 and fibers adsorption filter 34 from top to bottom, thoroughly adsorbs water In oil, grease is completely separated, and finally obtains the water that is fully cleaned up from the discharge outlet 32 of 3 bottom of sewage treatment pot through prolonging The snakelike drainpipe 35 stretched to is emitted into external blowoff basin.
Obviously, above-described embodiment of the utility model is used for the purpose of clearly illustrating the utility model example, and It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments It is exhaustive.All any modification, equivalent and improvement made within the spirit and principle of the utility model etc., should be included in Within the protection domain of the utility model claims.

Claims (10)

1. a kind of oil-containing sewage treatment system, which is characterized in that including the first gun barrel being sequentially connected by pipeline (1), the second gun barrel (2) and sewage treatment pot (3), wherein:
The lower sides of first gun barrel (1) are provided with the first wastewater inlet (11), and top is provided with the first sewage It exporting (12), first wastewater inlet (11) connects with external cesspool (4) and liquid feeding pump (5) is provided on connecting pipe, Filter layer (13) and demulsification layer (14), first sewage are disposed in first gun barrel (1) from down to up Import (11) is located at the lower section of the filter layer (13), and first gun barrel (1) is used to carry out oily wastewater preliminary Separation;
The upper portion side wall of second gun barrel (2) is provided with the second wastewater inlet (21) and oil discharge outlet (22), lower side Wall is provided with the second outlet of sewer (23), and the oil discharge outlet (22) is higher than second wastewater inlet (21), second sewage Import (21) is connected with first outlet of sewer (12), and coarse separation device is provided in second gun barrel (2), Second gun barrel (2) is used to gather the oily wastewater after the first gun barrel (1) initial gross separation Knot separation;
It is provided with the 3rd wastewater inlet (31) at the top of the sewage treatment pot (3), lower part is provided with discharge outlet (32), and described Three wastewater inlets (31) are connected with second outlet of sewer (23), and the discharge outlet (32) connects with externally drained pond, described Sewage treatment pot (3) is used to carry out purified treatment to sewage.
2. oil-containing sewage treatment system according to claim 1, which is characterized in that the filter layer (13) includes flow distribution plate (131) and filter core (132), the filter core (132) are uniformly distributed in the upper surface of the flow distribution plate (131).
3. oil-containing sewage treatment system according to claim 1, which is characterized in that the filler of the demulsification layer (14) is warp Cross oleophylic or the treatable material medium of hydrophily.
4. oil-containing sewage treatment system according to claim 1, which is characterized in that the coarse separation device includes being located at The draw-off tray (24) on the second gun barrel (2) top, the draw-off tray (24) have the umbellate form of opening (241) for top Disk body, the draw-off tray (24) are fixed on the inner wall of second gun barrel (2), described opening (241) upper horizontal Oil baffle (25) is provided with, the oil discharge outlet (22) is located at the lowest part of the draw-off tray (24), second wastewater inlet (21) it is located on the side wall below the draw-off tray (24).
5. oil-containing sewage treatment system according to claim 1, which is characterized in that second gun barrel (2) Top is additionally provided with heating unit (26), and closely the oil discharge outlet (22) is set the heating unit (26).
6. oil-containing sewage treatment system according to claim 4, which is characterized in that also set up below the draw-off tray (24) There is liquid distributor (27), second wastewater inlet (21) connects with the liquid distributor (27).
7. oil-containing sewage treatment system according to claim 1, which is characterized in that the sewage treatment pot (3) includes The activated carbon adsorption filter (33) and fibers adsorption filter (34) from top to bottom set gradually.
8. oil-containing sewage treatment system according to claim 2, which is characterized in that filter core (132) material is pearl Cotton, quartz sand, anthracite, polyethylene or polypropylene.
9. oil-containing sewage treatment system according to claim 1, which is characterized in that the liquid feeding pump (5) is single-screw (single screw) pump.
10. oil-containing sewage treatment system according to claim 1, which is characterized in that further include electro connecting pressure gauge and electricity Cabinet group is controlled, the electro connecting pressure gauge is mounted at first gun barrel (1), the second gun barrel (2) and sewage It manages on tank (3), for carrying out online pressure detecting, the power control cabinet group and the liquid feeding pump (5) and the electro connecting pressure gauge Electrical connection.
CN201721379525.6U 2017-10-24 2017-10-24 A kind of oil-containing sewage treatment system Active CN207451766U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108706758A (en) * 2018-06-26 2018-10-26 东台帕瓦环保节能科技有限公司 A kind of environmental protection and energy saving swill separating mechanism
CN108946994A (en) * 2018-08-14 2018-12-07 曹蕾 A kind of multi-functional three-level formula sewage-treatment plant
CN109678290A (en) * 2019-01-16 2019-04-26 中汽(天津)系统工程有限公司 One kind being used for vehicle coating wastewater water-oil separating purification system
CN110496418A (en) * 2019-09-09 2019-11-26 宁波天扬工业新技术有限公司 A kind of breaking dehydrating method and its device of water in oil emulsion carburetion liquid
CN112194223A (en) * 2019-07-08 2021-01-08 抚顺远宏石化设备科技开发制造有限公司 Backwashing filter device for oily sewage

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108706758A (en) * 2018-06-26 2018-10-26 东台帕瓦环保节能科技有限公司 A kind of environmental protection and energy saving swill separating mechanism
CN108946994A (en) * 2018-08-14 2018-12-07 曹蕾 A kind of multi-functional three-level formula sewage-treatment plant
CN108946994B (en) * 2018-08-14 2021-04-30 岳阳天河环保科技有限公司 Multifunctional three-stage sewage treatment device
CN109678290A (en) * 2019-01-16 2019-04-26 中汽(天津)系统工程有限公司 One kind being used for vehicle coating wastewater water-oil separating purification system
CN109678290B (en) * 2019-01-16 2022-05-20 中汽(天津)系统工程有限公司 Be used for car application waste water oil-water separation clean system
CN112194223A (en) * 2019-07-08 2021-01-08 抚顺远宏石化设备科技开发制造有限公司 Backwashing filter device for oily sewage
CN110496418A (en) * 2019-09-09 2019-11-26 宁波天扬工业新技术有限公司 A kind of breaking dehydrating method and its device of water in oil emulsion carburetion liquid
CN110496418B (en) * 2019-09-09 2021-10-08 宁波天扬工业新技术有限公司 Demulsification dehydration method and device for water-in-oil emulsified oil

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