CN110282851A

CN110282851A - Oil is disembarked

Info

Publication number: CN110282851A
Application number: CN201910507747.9A
Authority: CN
Inventors: 曾尚武
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2019-09-27

Abstract

The present invention provides a kind of oils to disembark, and is used to handle greasy filth pollutant, separates oil component therein, it is characterized in that, include: agitating device, greasy filth pollutant and water are mixed in stirred tank, the oil component in greasy filth pollutant is made to float on the ullage of specified altitude；And oil-scraping device, it is set in the blender at the liquid level position of specified altitude, chain including cycle rotation and the oil scraping plate that predetermined distance setting is spaced on the chain, are scraped the oil component for floating on ullage outside the stirred tank using the oil scraping plate.Using the structure of U-shaped stirring slot structure and double helix blade, is more fully contacted so that material has with bucket wall, achieve the purpose that be sufficiently stirred；Separation and recycling and reusing oily in greasy filth pollutant are realized in the setting of oil-scraping device and collection tank；It can be good at realizing the separation and recycling to the oil in greasy filth pollutant using the horizontal mixer.

Description

Oil is disembarked

Technical field

The present invention relates to greasy filth pollutant process mechanical equipment technical fields, specifically a kind of to pollute for cleaning mud oil The oil of object is disembarked.

Background technique

Greasy filth, clear tank bottom made of grease and the surface soil doping that oil gas field generates during production and transport and refinery Mud and the sludge of disposing polluted water in oil station output are referred to as oily sludge.The oily sludge ingredient mainly includes oil, mud, sand Deng can also mix Petroleum Production apparatus and part house refuse, complicated component is serious to environmental hazard, and waste production is huge Greatly.

It is mainly both at home and abroad at present Thermal desorption method to the method for greasy filth recycling treatment, existing Thermal desorption method is divided into directly Thermal desorption and indirect thermal desorption, direct Thermal desorption using hot steam as heat source, are passed directly in pyrolysis oven substantially, greasy filth are heated To required temperature, the oil content in greasy filth is made to be reduced to required level；Indirect thermal desorption method is that greasy filth is sent into revolving burner It is interior, in the external heating of revolving burner, realize the separation of oil vapour and sludge.However, that there are capacity usage ratios is low, single for Thermal desorption method The high problem of position processing cost of disposal, and only most of petroleum substance is extracted and is recycled, fail to fully achieve returning for sludge It receives and recycles.

Existing horizontal mixer mixing effect is good, but only agitating function, without separation function, and it is not applicable with The processing of greasy filth pollutant.

Summary of the invention

The purpose of the present invention is to provide a kind of oils to disembark, and is used to handle greasy filth pollutant, and separation is wherein Oil component, to solve the problems mentioned in the above background technology.Include:

Agitating device is mixed greasy filth pollutant and water in stirred tank, makes the oil component in greasy filth pollutant Float on the ullage of specified altitude；And oil-scraping device, it is set in blender at the liquid level position of specified altitude, including follow The chain of ring rotation and the oil scraping plate that predetermined distance setting is spaced on the chain, will float on ullage using oil scraping plate Oil component scrapes outside stirred tank.

Wherein, oil-scraping device includes driving gear, driven gear and the chain being sleeved on driving gear and driven gear, Driving gear and driven gear are horizontally disposed, and drive chain cycle rotation makes border movement of the downside of chain towards stirred tank.

Wherein, the oil component that access is scraped by oil-scraping device is formed at the position corresponding with oil-scraping device of stirred tank Collection tank.

Wherein, the velocity of rotation of the driving gear of oil-scraping device is adjustable.

Wherein, agitating device is horizontal mixer, and stirred tank is U-shaped stirred tank, and axial one end of stirred tank is provided with Oil-scraping device is arranged in feed inlet, the axial other end.

Beneficial effects of the present invention: using the structure of U-shaped stirring slot structure and double helix blade, so that material has with bucket wall It more fully contacts, achievees the purpose that be sufficiently stirred；The steam injection equipment in direction not only can achieve quickly and fill obliquely The purpose for dividing heating, the gap that can also increase liquid internal float on the oil in greasy filth pollutant quickly on liquid level；Frizing dress It sets the setting with collection tank and realizes separation and recycling and reusing oily in greasy filth pollutant；It follows that using the Horizontal stirring Machine can be good at realizing the separation and recycling to the oil in greasy filth pollutant.

Detailed description of the invention

Fig. 1 is the structure chart of one of embodiment of grinder；

Fig. 2 is the sectional structure chart of the shell portion of grinder；

Fig. 3 is the front section view of one of embodiment of horizontal mixer；

Fig. 4 is the side sectional view of one of embodiment of horizontal mixer；

Fig. 5 is the three-dimensional structure diagram of one of embodiment of silt seperator；

Fig. 6 is the main view of Fig. 5；

Fig. 7 is the three-dimensional structure diagram of one of embodiment of greasy filth cleaning machine；

Fig. 8 is the internal structure chart of one of embodiment of greasy filth cleaning machine；

Fig. 9 is the three-dimensional structure diagram of one of embodiment of oil water separator；

Figure 10 is the internal structure chart of one of embodiment of oil water separator；

Figure 11 is the process flow chart of modular sludge treatment system；

Figure 12 is the main view of one of embodiment of mobile sludge treatment system；

Figure 13 is the top view of one of embodiment of mobile sludge treatment system.

Symbol description:

101, cylinder, 103, feed auger bucket, 104, discharging screw barrel, 105 feed inlets, 106, main machine base, 107, electricity Motivation, 108, shaft coupling, 109, speed reducer, 110, guidance helical structure, 111, driving pedestal, 112, gear cover；

213, U-shaped stirred tank, 214, discharge pipe, 215, collection tank, 216, motor, 217 speed reducers, 218, charging Mouthful, 219, main shaft, 220, blade support axis, 221, helical blade, 2211, internal helical blades, 2212, external spiral blade, 222, Driving gear, 223, driven gear, 224, chain, 225, oil scraping plate, 226, steam injection equipment, 227, discharge pipe valve, 228, sealing device；

329, bracket, 330, separating tank, 331, sand outlet, 332, waste gate, 333, muddy water outlet, 334, material dispensing end, 335, power device, 3351, motor, 3352, speed reducer, 336, helical axis, 337, helical blade, 338, liquid level regulation apparatus, 339, cavernous structure；

440, groove body, 4401, head groove body, 4402, intermediate groove body, 4403, tail portion groove body, 441, driving mechanism, 4411, motor, 4412, gear reduction unit, 443, mechanical stirring device, 4433, air guide sleeve, 4434, cavernous structure, 445, liquid Face adjustment mechanism, 446, scraping plate mechanism, 4461, scraper shaft, 4462, scraper blade, 447, air inlet pipe, 448, receipts fuel tank, 449, Material feeding box, 450, feed box, 451, case structure, 452, feeding inlet, 453, flashboard, 454, motor；

554, primary separating tank, 555, secondary separating tank, 556, rhone, the 557, first access, the 5571, first access Inflow entrance, the outflux of the 5572, first access, 558, recover, 559, alternate path, 5591, the inflow entrance of alternate path, 5592, the outflux of alternate path, 560, overflow port, 561, oil storage tank, 562, main overflow port, 563, shell, 564, first every Plate, 565, second partition, 566, third partition, the 567, the 4th partition, 568, feed pipe, 569, drainage conduit；

1001, carrying device, 1101, grinder, 1102, sieving machine, the 1103, first ultrasonic stirrer, 1104, second Ultrasonic stirrer, 1107, silt seperator, 1108, Chu Shachi, 1109, agitator, 1110, horizontal centrifuge, 1111, big Foul water tank, 1201, crusher, the 1202, second horizontal mixer, 1203, third horizontal mixer, 1204, medicine feeding apparatus, 1205, disc separator, the 1301, first horizontal mixer, 1302, greasy filth cleaning machine, 1303, hot water supply apparatus, 1401, oil Separator；

710, headstock, 720, vehicle frame, 721 bottom of frame, 722, vehicle frame supporting leg, 723, breast board, 731, control system, 732, Generating set, 741, grinder, the 742, first horizontal mixer, the 743, second horizontal mixer, 744, oil water separator, 745, Vertical mixer, 746, greasy filth cleaning machine, 747, horizontal centrifuge, 751, rewinding case.

Specific embodiment

Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.

[treatment process]

In the present embodiment, by taking the complete treatment process of pollution waste generated during oil gas field produces as an example, to this The specific embodiment of invention is described in detail.But it will be understood by those skilled in the art that part in present treatment technique The combined implementation of technique can carry out specific purified treatment to specific oily waste, therefore in the present embodiment Whole processing steps that the complete treatment process illustrated is included do not constitute limiting the scope of the invention.

The oil soil treatment technique of present embodiment, the oil pollution waste for generating in producing to oil gas field is (referred to as For " greasy filth pollutant ") carry out purified treatment comprising the steps of:

Break process: being crushed greasy filth pollutant, in order to preferably be crushed, can add a small amount of water, and broken Particle size reaches 5cm or less.

Since other than the composition of the sediment comprising oil-containing, there are also what is generated with production process to discard in greasy filth pollutant Timber, plastics biggish impurity in equal volume will consume a large amount of time, manpower, object if carrying out pick to these impurityes Power, moreover, because these impurityes itself are also by oil pollution, even if tested elect, it is carried out harmless treatment or It recycles and extremely difficult.In the present embodiment, using destruction step, the biggish waste of this kind of volume is crushed, It can be purified in subsequent handling with normalized processing mode, and obtain good effect.

Milled processed: after being crushed to greasy filth pollutant, being ground by grinder further progress, after making grinding The size of greasy filth contaminant particle reaches 5mm hereinafter, to enable greasy filth pollutant sufficiently to contact with water.

In the present embodiment, according to the constituent of greasy filth pollutant, if comprising biggish waste and quality compared with It is tough to be not easy to be fractured into short grained waste, further little particle optionally is carried out to it using grinding steps, In order to the purified treatment being normalized in later processing step.To be greatly improved purified treatment efficiency, reduce Processing cost.

Sieving processing: the soft materials waste being mixed in through in greasy filth pollutant broken, after grinding is removed.

The waste of this kind of soft materials for example has plastic cloth, malthoid, clothing etc., and this kind of wastes is not allowed not only It is easily broken, in grinding steps, it is also difficult to it is destroyed and fragmentation, certain trouble can be caused in later processing, because This is removed it using sifting step.The soft materials waste being removed in this process has decomposability, passes through chemistry Method is convenient to carry out harmless treatment to it.

First oily separating treatment: the greasy filth pollutant after sieving being added in water merging blender and is adequately stirred, energy So that material is obtained quickly uniformly mixing within a very short time, oil is made to separate and be floated on liquid level with silt, removal floats on liquid The mixture of silt and water is discharged in oil on face, and floating in addition the oil on liquid level is collected after for removal is focused on, can To realize the recycling and reusing of resource.

Moreover, in the first oily separating treatment, in order to make comminuted greasy filth pollutant is stable to mix with water And so that oil component therein is floated on ullage, can be stirred using chamber (lower part) in the device, and make the oil being precipitated at Divide and floats.Therefore mixing plant as horizontal mixer can be used to disembark as oil.In addition, in order to quickly make to be impregnated into Oil component in greasy filth pollutant is precipitated, and can heat when being stirred to the mixture in blender, furthermore it is also possible to Addition flocculant, the auxiliary agents such as surfactant of selectivity.

Moreover, the oil component for floating on ullage is concentrated very much, easily can be extracted it from ullage with scraper plate Out.

Silt separating treatment: being handled using mixture of the silt seperator to silt and water, isolates sand, and mud is discharged Aqueous mixtures.

After the above-mentioned first oily separating treatment, the remaining oil component of institute is substantially reduced in greasy filth pollutant, is especially made For the sand of the main component in greasy filth pollutant, due to husky grain structure, and when oil component pollutes husky particle, only It is the husky surface of covering, because sand has biggish specific surface area, therefore passes through the first oil separation treated husky oil remained on surface Ingredient is at a fairly low.By separating to sand, husky ingredient is eliminated from greasy filth pollutant, so as to remaining mud and Aqueous mixtures carry out further purified treatment.And isolated sand be easy to be flush with water it is clean, can by safety dumping or Person's recycling and reusing becomes construction material etc..

Second oily separating treatment: mud mixture is placed in greasy filth cleaning machine and is adequately stirred, and separates and removes residual The oil component in mud mixture is stayed in, is focused in addition the oil isolated is collected after, mud mixture is discharged.

For in the first oil separation treated mud mixture, since mud ingredient granules therein are subtle, compared with sand With bigger specific surface area, and the complicated more oil components easy to attach of grain shape.Therefore it provides to mud mixture Targeted purified treatment is carried out, the oil component for being attached to mud microparticle surfaces can be removed, and recycled, so that needle After greasy filth pollutant process, corresponding purification is all carried out for each main component, and after classify discharge or emission treatment Emission.In the second oily separating treatment, by being stirred to mud mixture further progress, and it can carry out as needed The oil component for being attached to mud microparticle surfaces is precipitated in heating and the addition auxiliary agents such as surfactant and flocculant, and floats on liquid Face upper layer removes so as to be attached to the micro oil component of mud microparticle surfaces.

Mud-water separation processing: by being attached to the oil component on mud surface in the second oil separation treated mud mixture It has been be completely removed that, therefore be dehydrated to the mud mixture, after water and mud is discharged, the mud being discharged reaches discharge standard, And can be used in industrial ceramics firing etc., the water being moreover discharged can be recycled in the oil soil treatment technique.

Water-oil separating processing: containing a large amount of water, Bu Nengzhi in the oil component separated in the first, second oily separating treatment It connects and is recycled.For this purpose, in water-oil separating processing, the method stood using multi-chamber classification, in the first, second oil The water in oil component isolated in separating treatment is separated.To obtain You Heshui, oil can be recycled, and water then may be used To be recycled in above-mentioned treatment process.The device that multi-chamber classification is stood used in water-oil separating processing will be It is aftermentioned to be described in detail.

Water, mud and sand after using the technique to separate is tested, test result shows by the process Product afterwards, especially mud ingredient, oil content meet the discharge standard of country less than 2.5 ‰.The technique can be in summary It realizes and is completely separated oil in greasy filth pollutant, mud and sand, realize the recycling and reusing of harmless treatment and resource.

In the following, to various processes in present embodiment and particularly suitable for the processing unit used in each step It is described in detail.For above-mentioned greasy filth purified treatment process, due to by being fitted to existing equipment or to existing equipment When improvement, be not only able to effectively realize the purpose requirement of each step process, and equipment cost can be greatlyd save.

[break process: crusher]

In break process, main purpose is to carry out break process to the sundries of large volume contained in greasy filth pollutant, So that it is reduced in size to accessible degree, therefore, common crusher can be used.For big in extremely special greasy filth pollutant The sundries of volume is considerably less, and when can remove these large volume sundries easily, the crusher can also not used.

In the present embodiment, the other impurities in greasy filth pollutant are preferably crushed to the size of 5cm, it is more preferably broken It is broken to the size of 3cm, the efficiency of milled processed can be improved in later milled processed in this way.

[milled processed: grinder]

In the present embodiment, common ball mill can be used in milled processed.Common ball mill is usually pair Mineral products are ground, and received is the ore grain by being crushed to predetermined size.However, for the present invention, processing Object is by broken greasy filth pollutant, wherein also there are many large-sized sundries, or even have cloth other than having silt Material, plastics, malthoid etc. are not easy the small sized sundries that is broken.For this purpose, ball mill is done to improve in the present embodiment, under Face is described in detail.

Fig. 1, Fig. 2 are the structure chart and its local structural graph of one embodiment of grinder respectively.

In milled processed, after being crushed to greasy filth pollutant, ground by grinder further progress, what is used grinds Grinding machine is as shown in Figure 1 and Figure 2, and cylinder 101 is fixed on main machine base 106, and the end of 101 outer wall one end of cylinder is equipped with canine tooth It takes turns, feed auger bucket 103 and discharging screw barrel 104 has been separately equipped on the rounded bottom surface at 101 both ends of cylinder, in feed auger bucket 103 are provided with the guidance helical structure 110 of reinforcing bar formation with the inner wall of discharging screw barrel 104；The guidance helical structure 110 are welded on reinforcing bar on screw barrel inner wall with helical structure by seamless welding technology, since greasy filth pollutant is viscosity Purees, and wherein also cloth, plastics, malthoid etc. it may be not easy the small sized sundries that is broken, hold in rotary course Winding and blocking are easily caused, greasy filth pollutant and the small contact area of helical structure may be implemented in the club shaped structure of reinforcing bar, reduces Blocking of the greasy filth pollutant to screw barrel；Guidance helical structure 110 in feed auger bucket 103 can guide greasy filth pollutant Into inside cylinder 101, the guidance helical structure 110 in the screw barrel 104 that discharges can guide ground greasy filth pollutant Leave cylinder；Feed auger bucket 103 connects feed inlet 105, and feed inlet 105 is funnel shaped, and the upper opening of funnel upward, leaks The lower part of bucket connects feed auger bucket 103 with oblique under type, and greasy filth pollutant is facilitated to feed；

Driving device for driving grinder to work, including motor 107, shaft coupling 108, speed reducer 109 and small tooth Wheel, motor 107 are connected by shaft coupling 108 and speed reducer 109, and speed reducer 109 is connected by shaft coupling 108 with pinion gear, Pinion gear is engaged with the gear wheel of cylinder 101, to realize that motor 107 drives cylinder 101 to rotate, driving device is all fixed In on driving pedestal 111.

Gear cover 112 is equipped with outside gear wheel and pinion gear, gear wheel and pinion gear are wrapped in it by gear cover 112 Portion effectively stops the dust in the greasy filth pollutant and air that volatilize during the grinding process to be adsorbed on gear, guarantees gear Normal operation and service life.

It is equipped with mill ball inside cylinder 101, by the rotation of cylinder 101, mill ball is driven to roll and touch in cylinder 101 It hits, so that greasy filth pollutant to be ground to the size of needs.

Also, liner plate is equipped with inside cylinder 101.Mill ball and material can be contacted directly with liner plate when rolling, will not be right 101 inner wall of staving causes to damage, and plays the role of wear and shock-resistant.

To use of the invention, steps are as follows in oil soil treatment technique:

Firstly, the motor 107 of driving device is started to work, driving device drives grinder work；

It will be added in the feed inlet 105 of funnel shaped by broken greasy filth pollutant, since the lower part of funnel is with oblique Under type connects feed auger bucket 103, therefore passes through broken greasy filth pollutant and be easily advanced into feed auger bucket 103, into Expect that the guidance of screw barrel 103 is imported broken greasy filth pollutant inside cylinder 101 in rotation with helical structure 110；

With the rotation of cylinder 101, mill ball is driven to roll and collide in cylinder 101, so that greasy filth pollutant be ground It is ground to the size of needs；

After material particular diameter size, which reaches grinding, to be required, ground greasy filth pollutant reaches discharging spiral in cylinder 101 At bucket 104, with the rotation of discharging screw barrel 104, guided by the helical structure 110 of the guidance in discharging screw barrel 104 from out It is discharged in material screw barrel 104, the ground greasy filth pollutant of discharge can be used for being further processed.

The grinder can guide greasy filth pollutant to enter inner barrel and draw the utility model has the advantages that unique spiral mouth designs While leading ground greasy filth pollutant and leave inner barrel, it is possible to reduce blocking of the greasy filth pollutant to screw barrel；Setting Gear cover can protect well the normal operation of gear in greasy filth environment, and setting liner plate can then reinforce the intensity of cylinder, reduce The abrasion of grinder greatly reduces the frequency of later period maintenance.

[sieving processing: sieving machine]

As described previously for the greasy filth pollutant generated in the production of oil field, due to its complicated composition, it is likely that be contaminated with modeling Material cloth, malthoid, cloth etc. can not be broken or grind small sized sundries, thus as needed using sieving machine to grinding after Greasy filth pollutant carry out sieving processing, screen out the sundries that should not be adulterated in subsequent processing.These sundries may be subsequent Become problem in processing, also, for the greasy filth total amount of pollutant, although the one of this part sundries and oily sludge object Part, but its amount is at a fairly low, and is easy to carry out harmless treatment by other chemistry route.

[the first oily separating treatment: horizontal mixer]

Greasy filth pollutant after sieving is small sized particles, such as is below 5mm.It can be at the first oily separation Oil component therein is separated by adding water to be placed into the sufficient stirring of progress in blender in reason, which can make any Blender structure, but in the present embodiment using horizontal mixer and pass through its keep specified altitude liquid level at be arranged Oil wiper can effectively separate oil component.

Fig. 3,4 are the front section view and side sectional view of the horizontal mixer of present embodiment respectively.Such as Fig. 3,4 institutes Show, used horizontal mixer includes: U type stirred tank 213 in the present embodiment, and bottom is arc structure, reduces spiral shell The minimum clearance of vane piece 221 and U-shaped stirred tank 213, achievees the purpose that be sufficiently stirred；U-shaped 213 bottom of stirred tank is equipped with Pipe material 214, discharge pipe 214 are equipped with discharge pipe valve 227 for controlling the discharge of discharge pipe 214 and having separated the surplus of oil Under silt and water mixture；The two sides of U-shaped stirred tank 213 are respectively provided with the steam injection equipment 226 in direction obliquely, steam The bottom for entering U-shaped stirred tank 213 with direction obliquely, not only can achieve purpose that is quick and sufficiently heating, can be with The gap for increasing liquid internal floats on the oil in greasy filth pollutant quickly on liquid level；One end top of U-shaped stirred tank 213 is equipped with Feed inlet 218, the other end are connected with collection tank 215,215 bottom of collection tank be it is inclined, facilitate in collection tank 215 oil completely from It is flowed out in collection tank 215.

Power device, power device include motor 216, speed reducer 217 and shaft coupling, and motor 216 passes through shaft coupling Device and speed reducer 217 connect；The velocity of rotation of power device is adjustable.

Blender receives power device driving selection, including main shaft 219, blade support axis 220 and spiral by shaft coupling Blade 221,219 level of main shaft cross U-shaped 213 both ends of stirred tank, are connected by shaft coupling and the speed reducer of power device 217, Main shaft 219 and U-shaped 213 junction of stirred tank are equipped with sealing device 228, avoid that liquid leakage occurs inside U-type groove 213；Spiral Blade 221 includes internal helical blades 2211 and external spiral blade 2212, and internal helical blades 2211 push material to two by centre Side, external spiral blade 2212 push material to centre by two sides, and greasy filth pollutant is sufficiently stirred with water, is made in greasy filth pollutant The sufficiently release of remaining oil is to float on liquid level.

Oil-scraping device, oil-scraping device are located at the top of U-shaped 213 inside of stirred tank and stirring system, and rule in stirred tank 213 At fixed liquid level position, including the driving gear 222 and driven gear 223 as chain drive structure, and it is sleeved on Chain 224 on driving gear 222 and driven gear 223.Driving gear 222 is identical with the size of driven gear 223, chain Drive mechanism is arranged in U-shaped 213 inner horizontal of stirred tank, the liquid level being parallel in U-type groove；Driving gear 222 and driven gear 223 is horizontally disposed, and drive chain 224 rotates, and transports the chain of the downside of chain 224 towards the edge of U-shaped stirred tank 213 It is dynamic.

It is spaced predetermined distance on chain 224 and is equipped with multiple oil scraping plates 225, oil scraping plate 225, will under the drive of chain 224 On specified altitude liquid level, the oil component for floating on liquid level upper layer is pushed to U-shaped 213 edge of stirred tank, and from being arranged in U-shaped stirred tank 213 outside collection tanks 215 are collected.The velocity of rotation of driving gear 222 be it is adjustable, thus oil-scraping device can oil according to liquid level The speed of thickness adjustment 225 frizing of oil scraping plate of layer.

In the present embodiment, the mixture of greasy filth pollutant and water is passed through and is arranged in axial the one of U-shaped stirred tank 213 The feed inlet 218 at end is added in U-shaped stirred tank 213, drives stirring system rotation by motor 216, at this time stirring system Helical blade 221 mixture of greasy filth pollutant and water is adequately stirred, will in greasy filth pollutant oil adequately It washes out in liquid.

Also, oil-scraping device is arranged in the axial other end of U-shaped stirred tank 213, thus is avoided that the movement of feed inlet 218 The work of oil-scraping device is impacted.

In the present embodiment, also there is horizontal mixer steam injection equipment 226 to be passed through hot steam, and steam is with obliquely Direction enter the bottom of U-shaped stirred tank 213 and ramped up up then by the bottom reaction force of U type stirred tank 213, It can achieve purpose that is quick and sufficiently heating, the gap that can also increase liquid internal keeps the oil in greasy filth pollutant quickly floating In on liquid level.

When the oil reservoir on upper layer in U-shaped stirred tank 213 reaches certain thickness, starting oil-scraping device, by turning for power device Dynamic speed is transferred to suitable gear, through the 216 drive chain drive mechanism of motor of power device on U-shaped stirred tank 213 Portion's operating will float on liquid in U-shaped stirred tank 213 to drive the oil scraping plate 225 on chain 224 mobile to 215 direction of collection tank Oil on face scrapes in collection tank 215.

When the oil floated on liquid level in U-shaped stirred tank 213 is all scraped in collection tank 215, discharge pipe valve is opened 227, the remaining sludge mixture that oil will have been separated in U-shaped stirred tank 213 is emitted by discharge pipe 214, wait into The processing of one step.

Beneficial effects of the present invention: using the structure of U-shaped stirring slot structure and double helix blade, so that material has with bucket wall It more fully contacts, achievees the purpose that be sufficiently stirred；Oblique lower section

To steam injection equipment not only can achieve purpose that is quick and sufficiently heating, liquid internal can also be increased Gap floats on the oil in greasy filth pollutant quickly on liquid level；Oil in greasy filth pollutant is realized in the setting of oil-scraping device and collection tank Separation and recycling and reusing.

In the first oily separating treatment, in order to improve treatment effeciency, greasy filth pollutant can be carried out at separating for several times Reason.Such as after making horizontal mixer processing of the greasy filth pollutant by present embodiment, discharge oil component is cleaned Greasy filth pollutant put into the horizontal mixer of next stage and cleaned again again.Thus, it is possible to substantially reduce greasy filth dirt Oil component content in dye object can sufficiently remove the oil component on its surface particularly with husky ingredient.

[ultrasonic cleaning: ultrasonic stirrer]

The oil component of greasy filth pollutant after the cleaning of the horizontal mixer of present embodiment, sand surface therein is residual Allowance is very small.It can according to need, the greasy filth pollutant is cleaned using supersonic wave cleaning machine.It can use ultrasonic wave More effectively go to remove sand the oil component on surface.In addition, the ultrasonic cleaning process can also be by the horizontal of present embodiment Supersonic generator is set in blender, it, can be in the horizontal mixer of rear class especially in the cleaning of staged horizontal blender Middle setting supersonic generator completely removes the oil component on husky surface to cooperate the cleaning of horizontal mixer.In addition may be used It is handled so that individual ultrasonic stirrer is arranged to greasy filth pollutant.

[silt separating treatment: silt seperator]

After the above-mentioned first oily separating treatment, the oil component for being attached to the husky surface of greasy filth pollutant is sufficiently gone Remove, so as to using the silt seperator of present embodiment to comprising mud, sand and water and the very low sludge mixture of oil content into Row processing, isolates sand, and mud mixture is discharged；The silt seperator used is as shown in Figure 5 and Figure 6, comprising: bracket 329, branch Frame includes the different support section of multiple height, and top is made to be in tilt angle for fixing the frame of groove body；Power device 335, including motor 3351, speed reducer 3352 and shaft coupling, motor 3351 is connect by shaft coupling with speed reducer 3352； Separating tank 330, separating tank 330 are fixed on the frame of bracket 329 with the tilt angle that the front is high and the back is low；Spiral separating device, spiral shell Rotation separator includes helical axis 336, and helical blade 337, helical blade 337 is located on helical axis 336 in a manner of spiral winding, And helical axis 336 and helical blade 337 are formed as an entirety, junction is smooth seamless, avoids separation of material to spiral point From the blocking and destruction inside device.

Spiral separating device is placed in separating tank 330, and the lower part in 330 section of separating tank is arc structure, spiral separation dress The arc structure fitting of the helical blade 337 and separating tank 330 set；The tail portion of the helical axis 337 of spiral separating device, which reaches, to be divided Tail end from slot 330, the forward end that the stem of helical axis 337 passes through separating tank 330 pass through shaft coupling and power device 335 In speed reducer connection, to realize driving of the power device 335 to spiral separating device.

The front end of separating tank 330 is equipped with sand outlet 331 close to the bottom of end position, for that will separate the sand to come up Son discharge；The rear end of separating tank is bucket shape structure, facilitates addition and accommodates separation of material, and bucket shape structure upper opening is that material is thrown End 334 is put, can put at this needs material to be separated；Bucket shape structure tail portions lower end position is equipped with waste gate 332, can Material in separating tank is thoroughly discharged when being used for cleaning equipment；Bucket shape structure tail portions upper end position is equipped with muddy water outlet 333, uses Muddy water after discharge separates sand；Muddy water outlet 333 is connected with liquid level regulation apparatus 338, and liquid level regulation apparatus 338 is tool There is the case structure of the flashboard of adjustment liquid level, by adjusting the liquid level inside the height-adjustable separating tank 330 of flashboard；It is box The design of the inside and outside liquid level difference of structure can make to flow out muddy water outlet under the effect of gravity to be muddy water, muddy water outlet 333 Place can also add strainer, play barrier effect, the presence of strainer and the box knot of liquid level regulation apparatus to the sand in separating tank Structure can guarantee that the discharge of muddy water outlet 333 is the muddy water without sand.

The cavernous structure 339 that helical blade 337 is equipped with close to one section of 330 rear end of separating tank for filtering muddy water, from object Material launches the mixture that silt and water are launched at end 334, with the rotation of helical blade 337, the helical blade 337 of cavernous structure Sand is transmitted to 330 front end of separating tank, is discharged from sand outlet 331, and remaining muddy water is then since gravity is worn Cross the tail end that cavernous structure 339 flows to separating tank 330.

Spiral separating device takes the sand in the mixture of silt and water to sand outlet by helical blade, realizes The separation of sand and mud and water, easy to operate, separating rate is fast, substantially increases the efficiency of separation.

[the second oily separating treatment: greasy filth cleaning machine]

After silt separating treatment, the oil component of the overwhelming majority is eliminated from greasy filth pollutant, and by Sha Yuni It is separated with the mixture of water, obtains mud mixture.As described above, mud particle surface may be still attached in the mud mixture A small amount of oil component, and can not direct emission or utilization, therefore, in the present embodiment using greasy filth cleaning machine in the second oil From the oil component that removal in processing is attached to mud particle surface.Mud mixture is placed in greasy filth cleaning machine and is adequately stirred It mixes, separates and remove the oil remained in mud mixture, focused in addition the oil isolated is collected after, mud is discharged Aqueous mixtures；The greasy filth cleaning machine used is as shown in Figure 7 and Figure 8.

The greasy filth cleaning machine includes groove body 440, and groove body 440 is by 4401, two 4402 and of intermediate groove body of a head groove body One tail portion groove body 4403 forms, and head groove body 4401 has material feeding box 449, and tail portion groove body 4403 has feed box 450, groove body Between connected by case structure 451；Feed box 450 and 451 one end of case structure are located at 440 bottom position of groove body and are equipped with Feeding inlet 452, the other end all have the flashboard 453 of adjustment liquid level, and 440 rear portion of groove body enters slot equipped with multiple with direction obliquely The air inlet pipe 447 of body 440, the front of groove body 440 are equipped with the receipts fuel tank 448 of rectangle；Driving mechanism 441, driving mechanism 441 include Motor 4411, gear reduction unit 4412, motor are connect by shaft coupling with gear reduction unit 4412, motor 4411 and gear Speed reducer 4412 is fixed on 440 top of groove body；The inside of mechanical stirring device 443, groove body 440 is equipped with mechanical stirring device 443, mechanical stirring device 443 includes that axis direction is vertically situated at agitating shaft in the groove body and is mounted under agitating shaft The impeller in portion, the upper end of agitating shaft receive the power of driving mechanism 441, pass through gear reduction unit by the rotation of motor 4411 4412 pass to agitating device 443.Due to being cleaned to mud mixture in the present invention, people in mud mixture still A certain amount of oil component of oil-containing, therefore dispersing for micro oil component will not have any impact to gear drive, and make With belt gear, after long time treatment, the oil component to disperse can make belt gear skid.Scraping plate mechanism 446 The edge of groove body 440 is set, including scraper shaft 4461 and the multiple scraper blades 4462 rotated around scraper shaft 4461, scraper plate Axis 4461 rotates under the driving of motor 454 around scraper shaft 4461.The height of scraper shaft is set, so that scraper blade 4462 rotates When reaching minimum altitude in groove body 440, scraper blade 4462 is enable to touch liquid level, and will float on a small amount of oil of ullage at Divide and dip to 4462 surface of scraper blade, and by making scraper blade 4462 continue to rotate, the oil component dipped can be made to drop down onto It receives in fuel tank 448.

Groove body 440 is formed as elongated multiple groups agitating shaft, and driving mechanism 441, scraping plate mechanism 446 are along the length side of groove body 440 To being set side by side.And the public scraper shaft of scraper blade 4462 and coaxial rotating.

Mud mixture is first poured into head groove body 4401 by the material feeding box 449 of head groove body 4401, head groove body The impeller of mechanical stirring device 443 in 4401 adequately stirs muddy water；Meanwhile air inlet pipe 447 is passed through hot steam, by It is set in air inlet pipe 447 in groove body 440 with direction obliquely, therefore the steam being passed through is mixed across muddy water with direction obliquely The bottom that object pours groove body 440 is closed, is then gone up by the reaction force of elongated 440 bottom of groove body with opposite direction come with slot Mud mixture in body 440 is adequately contacted, and takes the oil in mud mixture to liquid surface；And groove body bottom Mud mixture enters the feeding inlet 452 of case structure 451.

When the mud mixture injected to head groove body 4401 is more than the height of the flashboard 453 of case structure 451, just lead to It crosses case structure 451 to flow into one of intermediate groove body 4402 adjacent with head groove body 4401, repeat such as head channel The operation of body: the impeller of mechanical stirring device adequately stirs muddy water；Meanwhile air inlet pipe 447 is passed through hot steam, due to Air inlet pipe 447 is set in groove body 440 with direction obliquely, therefore the steam being passed through passes through mud mixture with direction obliquely The bottom of groove body 440 is poured, is then gone up by the reaction force of 440 bottom of groove body with opposite direction come with the mud in groove body 440 Aqueous mixtures are adequately contacted, and take the oil in mud mixture to liquid surface；And the muddy water mixing of 440 bottom of groove body Object enters the feeding inlet 452 of case structure 451.

Mud mixture ceaselessly is injected to head groove body 4401, mud mixture passes sequentially through head groove body 4401, in Between groove body 4402, finally arrive tail portion groove body 4403, in each groove body, repeat the operation such as head groove body: mechanical stirring The impeller of device adequately stirs muddy water；Meanwhile air inlet pipe 447 is passed through hot steam, since air inlet pipe 447 is in groove body With direction setting obliquely in 440, therefore the steam being passed through pours groove body 440 across mud mixture with direction obliquely Then bottom is gone up by the reaction force of 440 bottom of groove body with opposite direction to carry out with the mud mixture in groove body 440 Adequately contact, takes the oil in mud mixture to liquid surface；And the mud mixture of groove body bottom passes through feed box 450 Groove body is discharged；

The height of flashboard 453, the adjustable intracorporal liquid level of slot are adjusted by liquid level adjustment machine structure 445.

Scraping plate mechanism 446 positioned at 440 top of groove body, persistently rotates under the driving effect of motor 4411, scraper plate Blade 4462 is adjusted to suitable height, can be scraped oil supernatant in groove body 440 and be received in fuel tank 448.

In the greasy filth cleaning machine, the muddy water with greasy filth sequentially enter head groove body, intermediate groove body and tail portion groove body into Water and mud is discharged after guaranteeing that enough wash numbers, the mud mixture of last tail portion groove body outflow are dehydrated in row cleaning.

In the present invention, due to handling mud mixture, and it is clear from mud particle surface using scraping plate mechanism recycling The oil component of separation is washed, therefore is directed to the process object, using the metal materials such as stainless steel, copper, aluminium or the alloy of various metals Material.So that scraper blade has good mounting structure stability, the service life of scraper blade is greatly prolonged.

[mud-water separation processing]

After above-mentioned greasy filth cleaning treatment, the oil component that mud particle surface is attached in mud mixture is sufficiently gone It removes, handles and separate mud and water using mud-water separation.In mud-water separation processing, centrifugal separator can be used to mud It is dehydrated, and obtains Ni Heshui.

The water of discharge can be recycled in the greasy filth pollutant process technique of present embodiment, to reduce in processing Water consumption.And the mud of discharge is tested, test result shows for the mud ingredient particularly difficult for purified treatment, Oil content after cleaning is 2.5 ‰, meets the discharge standard of country, by safety dumping or can also be used for producing industrial pottery Porcelain etc. and be recycled.

[water-oil separating processing: oil water separator]

Containing a large amount of water in the oil component separated in the first, second oily separating treatment, benefit cannot be directly recycled With.For this purpose, being carried out using oil water separator to the oil separated in the first, second oily separating treatment in water-oil separating processing Processing, further separating oil and water, oil therein can be recycled, and water can then be recycled in the process；Made Oil water separator is as shown in Figure 9 and Figure 10:

The shell 563 that oil water separator has top open, is disposed in shell 563 from front end and shell to the back-end 563 wall surface of body surrounds the first partition 564 of primary separating tank 554, and the spaced second partition 565 of first partition 564, Second partition 565 surrounds secondary separating tank together with 563 wall surface of second partition 565 and shell with 564 opposite side of first partition 555 third partition 566, be arranged at intervals on third partition 566 with third partition 566 with 565 opposite side of second partition and with 563 wall surface of shell surrounds the 4th partition 567 of rhone 556；

Primary 554 bottom of separating tank is equipped with feed pipe 568, and 556 bottom of rhone is equipped with drainage conduit 569；

It is provided between primary separating tank 554 and secondary separating tank 555 from primary separating tank 554 to secondary separating tank 555 The first access 557 of liquid is imported, the inflow entrance 5571 of the first access is set to the bottom of primary separating tank 554, the first access Outflux 5572 be higher than the first access inflow entrance 5571；First access 557 passes through first partition 564 and second partition 565 form, and the bottom surface of 564 lower end of first partition and shell 563 has gap, which is the inflow entrance of the first access 5571, the height of second partition 565 is lower than first partition 564, and the liquid in grade separating tank 554 was higher than second partition 565 originally When will pass through second partition and flow into secondary separating tank 555, therefore the upper end of second partition 565 is formed with the outflux of the first access 5572；The velocity-stabilization that primary separating tank 554 imports liquid to secondary separating tank 555 may be implemented in the setting of first access 557 With the fixation of inflow direction, the oil-water mixture for flowing into secondary separating tank 555 is realized separation oily upward and that water is downward, is reached Effect is stood to better；

The top of secondary separating tank 555 is provided with recover 558, recover 558 is the open strip groove in top, is overflow Head piece 560 is that the top edge of recover 558 is arranged in be formed as multiple jagged notches, when being contained in secondary separating tank When liquid level is more than the height of the overflow port 560 of recover 558 in 555, the oil on the grease upper layer of stratification passes through overflow Mouth 560 flows into recover 558, realizes the separation of oil；Storage is equipped in secondary separating tank 555 to be recycled by recover 558 Oil oil storage tank 561, strip groove is led into oil storage tank 561, by overflow port 560 reach recover 558 in oil stream enter In oil storage tank 561, the recycling of oil is realized；

Wherein, it is provided with multiple recovers 558 in secondary separating tank 555, can be improved pair by multiple recovers 558 The efficiency of oil separation and recovery；

The importing liquid from secondary separating tank 555 to rhone 556 is provided between secondary separating tank 555 and rhone 556 Alternate path 559, the inflow entrance 5591 of alternate path is set to the bottom of secondary separating tank, so that the grease bottom of stratification The water of layer is discharged in rhone, and the outflux 5592 of alternate path is higher than overflow port 560；Alternate path passes through third partition 566 With the formation of the 4th partition 567, the bottom surface of 566 lower end of third partition and shell 563 has gap, which is alternate path Inflow entrance 5591, the height of the 4th partition 567 are higher than overflow port 560, when the liquid level in secondary separating tank 555 be higher than the 4th every When plate 567, the water of the grease bottom of stratification is just flowed into rhone 556 in secondary separating tank 555, secondary separating tank 555 The oil on the grease upper layer of middle stratification will pass through overflow port 560 and flow into recover 558, and 567 upper end of the 4th partition forms The outflux 5592 of alternate path；The design of alternate path 559 enables the liquid level of secondary separating tank 555 to be higher than overflow Mouth 560 makes stratification so that realizing reaches the oil on the grease upper layer of stratification in recover 558 by overflow port 560 The water of grease lower layer entered in rhone 556 by bottom, realize being completely separated for grease；

Primary 554 top of separating tank is provided with the main overflow port 562 to secondary 555 overflow of separating tank, the main overflow port 562 are located at 564 top of first partition, and the height of main overflow port 562 is higher than overflow port 560, therefore liquid level is high in primary separating tank 554 The oil spill on the grease upper layer of stratification flows in secondary separating tank 555 when degree is more than main overflow port 562, to overflow to secondary In recover 558 in separating tank 555, is separated and recycled.

It is as follows using operating process of the present invention to the optimal implementation method of oil-water mixture progress water-oil separating:

Oil-water mixture is continually fed into a manner of intermittent into primary separating tank 554 by feed pipe 568；

When liquid level is higher than the outflux 5572 of the first access in grade separating tank 554 originally, in primary separating tank 554 Oil-water mixture is flowed into secondary separating tank 555 by the first access 557, since the density of water is greater than the density of oil and water oil It is incompatible, therefore the oil-water mixture in primary separating tank 554 and secondary separating tank 555 can be layered in static condition, it is close The automatic floating of small oil is spent, the big water of density stays in bottom；

When the liquid level in grade separating tank 554 is higher than main overflow port 562 originally, since the height of main overflow port 562 is high It can be overflowed to by main overflow port 562 in the oil of the height of overflow port 560, therefore the grease upper layer being layered in primary separating tank 554 555 in secondary separating tank, oil-water mixture is continued to flow into secondary separating tank by the first access 557 in primary separating tank 554 555；Meanwhile the oil on the grease upper layer being layered in secondary separating tank 555 is overflowed in recover 558 by overflow port 560, is recycled Device 558 leads to oil storage tank 561, reaches the oil stream in recover 558 by overflow port 560 and enters in oil storage tank 561, realizes point of oil From and recycling；

When the liquid level in secondary separating tank 555 is higher than the outflux 5592 of alternate path, in secondary separating tank 555 The water of the grease lower layer of layering is flowed into rhone 556 by alternate path 559, and discharge gate 569 is equipped in rhone 556, is led to Crossing discharge gate 569, the water in rhone 556 can be discharged, and circulation is in oil soil treatment technique；Meanwhile secondary separating tank 555 The oil on the grease upper layer of middle layering is overflowed in recover 558 by overflow port 560, and recover 558 leads to oil storage tank 561, is led to It crosses the oil stream that overflow port 560 reaches in recover 558 to enter in oil storage tank 561, realizes the separation and recycling of oil.

The invention has the benefit that the outflux of the first access is higher than the inflow entrance of the first access, primary may be implemented Separating tank imports the fixation of the velocity-stabilization and inflow direction of liquid to secondary separating tank, flows into the grease of secondary separating tank Mixed liquor realizes the separation that oil is upward and water is downward, reaches and preferably stands effect；The inflow entrance of alternate path is set to secondary The bottom of separating tank, so that the water of the grease bottom of stratification is discharged in rhone from bottom, the outflux of alternate path is high In overflow port, the liquid level of secondary separating tank is enabled to be higher than overflow port, to make the oil on the grease upper layer of stratification It is reached in recover by overflow port, realizes and grease is completely separated；Primary separating tank and secondary separating tank are simultaneously to oil Water stratification accelerates the efficiency of water-oil separating.

Product after the process, oil, sand and mud in greasy filth pollutant realize separation, to the mud of discharge into Row test, test result show for the mud ingredient particularly difficult for purified treatment that the oil content after cleaning is 2.5 ‰, symbol Close the discharge standard of country；Sewage in treatment process can be recycled, and save water resource, reduce production cost；Containing greasy dirt After mud is handled by this system, the oil of high-quality, economic benefits are obtained；The technique may be implemented in greasy filth pollutant oil, Mud is completely separated with husky, realizes the harmless treatment of greasy filth pollutant and the recycling and reusing of resource.

Embodiment 1

The oil soil treatment technique of the present embodiment is a kind of modular sludge treatment system, to the oil generated in oil gas field production Sludge-polluted object carries out purified treatment, and modular sludge treatment system will be described in detail below.

The modular sludge treatment system uses modular organization, which is configured to three for sludge treatment system The building body structure of floor.Figure 11 is the schematic diagram of modular sludge treatment system building body structure.As shown in figure 11, building body is using cast-in-place The hollow building body of formula, including lower layer, middle layer and upper layer, so as to realize construction is simple quickly and environmental protection and energy saving.In three floors In be respectively arranged to implement device used in the particular step of above-mentioned oil soil treatment technique.

Main processing equipment is provided with grinder 1101 in lower layer；For to after the first oily separating treatment Greasy filth pollutant carry out ultrasonic cleaning two ultrasonic stirrers 1103,1104；For carrying out silt separating treatment Above-mentioned silt seperator 1107 and horizontal centrifuge 1110 for being dehydrated to mud mixture.It is furthermore provided with sieving machine 1102, additional reservoirs and the equipment such as foul water tank 1111, agitator 1109 and storage sand basin 1108.

In middle level, as main processing equipment, it is provided with crusher 1201；For the conduct in the first oily separating treatment Two horizontal mixers 1202,1203 of the oily separating treatment of secondary first and for being carried out just to the moisture in mud mixture The disc separator 1205 of grade separation.It is furthermore provided with the ancillary equipments such as medicine feeding apparatus 1204.

On upper layer, as main processing equipment, it is provided with and carries out primary first oil as in the first oily separating treatment From horizontal mixer 1301 and above-mentioned greasy filth cleaning machine 1302.In addition, being additionally provided with hot water supply apparatus 1303.

In the present embodiment, as the first oily separating treatment, using two-stage treatment mode, and the first oil is being carried out After processing, greasy filth pollutant is concurrently cleaned using ultrasonic stirrer 1103,1104, to go to surface of removing sand Oil component.Also, mud-water separation processing in, also use two-stage treatment mode, specifically, using greasy filth cleaning machine 1302 into After the oily separating treatment of row second, the part water in mud mixture is discharged using disc separator 1205, then to concentration after Mud mixture is dehydrated using horizontal centrifuge 1110, to substantially increase treatment effeciency.

Below with reference to Figure 11 in the present embodiment use modular building body constitute structure greasy filth pollutant disposal system into Row is described in detail.

Firstly, accumulating greasy filth pollutant to be processed outside building body, filled at this time using conveyings such as forklift or conveyer belts 1001 are set, by the external greasy filth pollutant in the building accumulated, is transported to setting in middle level by building body wall and feed hopper is extend out to The feed hopper for the crusher 1201 that wall is outer and is arranged realizes feed.

Then break process is carried out to greasy filth pollutant by crusher 1201.Greasy filth pollutant after break process is from broken The discharge gate of machine 1201 is discharged to lower layer.1101 feed inlet of grinder and 1201 discharge gate pair of crusher of lower layer can will be set It should be arranged, so as to the cost of device for greatling save space shared by processing system He being used for transmission material.

Then, in lower layer, greasy filth pollutant is ground by grinder 1101, and by the greasy filth pollutant after grinding It send to sieving machine 1102 and carries out sieving processing, and be temporarily stored in the Material collecting box for harvesting of sieving machine 1102.

Smashed greasy filth pollutant in Material collecting box for harvesting (sieving machine 1102) is transported to by conveying devices such as conveyer belts It is set in first horizontal mixer 1301 on upper layer, executes the oily separating treatment of primary first.

Then, by executed the separation of the first oil of primary treated greasy filth pollutant send respectively to setting in middle level the Two, in third horizontal mixer 1202,1203, You Liangtai horizontal mixer 1202,1203 executes the first secondary oil parallel From processing.When executing the first oily separating treatment of secondary, using medicine feeding apparatus 1204 to second, third horizontal mixer 1202, corresponding flocculant and/or surfactant is added in 1203.

It is had been removed by most oil component in primary, the first oil of secondary separation treated greasy filth pollutant Afterwards, it is delivered in the first, second ultrasonic stirrer 1103,1104 that lower layer is set, imposes while agitating super respectively Sonicated can remove the residual oil component being attached on husky surface.

At this point, the oil component in greasy filth pollutant, the oil component on husky surface especially therein has been sufficiently removed, can Using the silt seperator 1107 that lower layer is arranged in, husky ingredient is removed, and mud mixture is discharged.The sand of removal can be stored In storage sand basin 1108.It is additionally provided with agitator 1109 in lower layer, using the agitator 1109 to from 1107 row of silt seperator Mud mixture out is stirred, and prevents mud ingredient from deposition agglomeration occurs.

The mud mixture that agitator 1109 is discharged is delivered to the greasy filth cleaning machine that upper layer is arranged in through not shown pump 1302, and hot water is further added by hot water supply apparatus 1303, to improve the water content of mud mixture.Can more have in this way The oil component for being attached to mud particle surface is removed on effect ground, can reach discharge standard.

In mud mixture after cleaning via greasy filth cleaning machine 1302, it is especially attached to the oil component of mud particle surface It has been be sufficiently cleaned that, can transport into the disc separator 1205 being arranged in middle level, the major part in mud mixture is discharged Water, and make its concentration.

Mud mixture after being concentrated via disc separator 1205 is being displaced into lower layer, is being sent into horizontal centrifuge 1110 In, mud mixture is dehydrated, the mud as one of final emission is obtained.Also, in the present embodiment, using disk 1,110 two dehydrations of seperator 1205 and horizontal centrifuge are dehydrated mud mixture, greatly improve mud-water separation Efficiency.The water of discharge is stored in foul water tank 1111, and the water in the foul water tank 1111 can be by standing, and the processing such as addition reagent obtain can For the water of this greasy filth pollutant purification processing, hot water supply apparatus 1303 is delivered to by pump (not shown), and can be recycled It utilizes, greatly improves the water-saving result of purified treatment.

In the present embodiment, oil water separator 1401 is arranged in the building formula structure of the building formula sludge treatment system of modular Outside, but the lower layer of building formula structure can also be disposed at according to the actual situation.It will be from the first, second, third Horizontal stirring Machine 1301,1202,1203 and the isolated oil water mixture of greasy filth cleaning machine 1302 inject oil water separator 1401, to realize Water-oil separating.

As described above, in the present embodiment, by being configured to greasy filth pollutant purification processing system, the building formula of modular Structure allows the system to occupy smaller occupied area, and constructs and be easy.Also, specified by setting in layers Processing equipment can be reduced farthest and transport the material energy to be consumed when carrying out entire process.Obtain structure Compact, treatment effeciency is high, generates and pollutes processing system as small as possible, low in energy consumption.

Embodiment 2

Oil soil treatment technique according to the present invention is not only configured to oil-sludge treatment system described in above-described embodiment 1 System, can also constitute mobile sludge treatment system as needed.The movable type sludge treatment system will be used for oil-sludge treatment Different equipment is separately mounted to move on vehicle-mounted chassis, is towed to the occasion of any required urgent reply greasy filth pollutant Carry out flexible field operation.

It is described in detail below in conjunction with the structure of Figure 12, the mobile sludge treatment system of 13 pairs of the present embodiment.

The movable type sludge treatment system can be reequiped using various flat bed trailers, and be led using headstock 710 Draw and is moved to Work places.The mobile sludge treatment system of the present embodiment includes vehicle frame 720 and is arranged in more on vehicle frame 720 A processing equipment.Vehicle frame 720 is equipped with multiple groups vehicle frame supporting leg 722, and the movable type sludge treatment system is before operation, at vehicle frame bottom Portion 721 plays vehicle frame supporting leg 722, is supported on reliable ground, can there is support and stable to vehicle frame.；Separately Outside, vehicle frame 720 be may be provided with into breast board 723, which packs up when moving surrounds carried equipment, the breast board in operation 723 openings are used as operating platform.

(headstock direction) is equipped with according to this backward (tailstock direction) in the past on vehicle frame 720, grinder 741；For being classified Or parallel the first, second horizontal mixer 742,743 for carrying out the first oily separating treatment；Oil water separator 744；Muddy water is mixed Object is stirred to carry out the vertical mixer 745 of the subsequent second oily separating treatment；Carry out the greasy filth of the second oily separating treatment Cleaning machine 746；With the horizontal centrifuge 747 for carrying out mud-water separation processing.

In the present embodiment, for the important equipment of execution oil soil treatment technique, it is arranged on vehicle frame 720, makes it can Easily integrally to be moved.Moreover, above equipment is essential equipment in oil soil treatment technique.For example for other Crusher, large scale equipment as silt seperator, can individually be transported independently of the processing platform of the movable type.One Aspect will cause hugeization of mobile sludge treatment system since its equipment volume is larger, and increase the manufacture of processing system Cost, on the other hand, operating environment requirements ground base is more secured, if placing it in mobile processing platform, exists The hidden danger of production safety.

In order to further make mobile sludge treatment system compact-sizedization, as shown in figure 12, the setting of grinder 741 is existed On rewinding case 751, on the one hand it can be accumulated in rewinding case 751 from the material that grinder 741 is ground, another aspect rewinding case 751 also microscope carriers as grinder 741.

In the present embodiment, the first, second horizontal mixer 742,743 is set, using two horizontal mixers 742,743 greasy filth pollutant is handled parallel simultaneously, can also be divided into and primary, secondary the be carried out to greasy filth pollutant twice One oily separating treatment.

Also, the oil water separator 744 of multi-chamber structure can be made into narrow and long shape, it therefore, can be by it along vehicle frame The setting of 720 length directions, and be set side by side with vertical mixer 745.The process being discharged as a result, from the second horizontal mixer 743 Treated that greasy filth pollutant can be quickly put in external silt seperator for first oil separation, and will separate from silt Machine lower part, and close on the mud mixture that input port side is separated and quickly put into vertical mixer 745, in reduction Between the distance that conveys.And it can be with conveying as short as possible from the uniformly mixed mud mixture that vertical mixer 745 is discharged Distance is transported in greasy filth cleaning machine 746.

Moreover, the oil separated from horizontal mixer 742,743 and greasy filth cleaning machine 746, it is convenient to throw Enter into the oil water separator 744 being arranged in the middle part of the two, similarly also there is conveying distance as short as possible.

Moreover, can be sent to from the mud mixture that greasy filth cleaning machine 746 is discharged with short conveying distance set on vehicle frame In the horizontal centrifuge 747 of 720 tail portions, mud-water separation is carried out.

Finally, the control system 731 that is controlled to each equipment in the setting of 720 rearmost end of vehicle frame and for each equipment The generating set 732 of power supply.Thus, it is possible to concentrate the mobile sludge treatment system of the present embodiment in vehicle frame tail portion Operation control, and mobile sludge treatment system can be made under the power supply of generating set 732 support convenient for being answered in field Anxious operation.

Moreover, in the case where field carries out emergency operation, since the separation requirement to mud, husky each ingredient accordingly drops It is low, therefore, it is possible to use other smaller silt seperator carries out silt separating treatment.

As described above, the mobile sludge treatment system in the present embodiment can complete entire oil with the smallest system configuration The purification process technique of sludge-polluted object.In extreme situations, it may not be necessary to carry out silt detached job, and directly will be from horizontal Blender 742,743 be discharged after the first oil separation treated greasy filth pollutant is stirred using vertical mixer 745, by Greasy filth cleaning machine 746 is cleaned, though not being separated from each other the composition of the sediment therein, is discharged from horizontal centrifuge 747 Solid-state silt equally meets discharge standard.

Each equipment and multiple equipment group to greasy filth purification process technique of the invention and for implementing the technique above At the embodiment of processing system of special construction be illustrated, still, and be not meant to limit the scope of the invention.Ability Field technique personnel can according to content documented in above-mentioned specific embodiment to making various changes, improve, these changes, Improvement is all contained in range recorded in claims of the present invention.

Claims

1. a kind of oil is disembarked, it is used to handle greasy filth pollutant, separates oil component therein, which is characterized in that packet It includes:

Agitating device is mixed greasy filth pollutant and water in stirred tank, floats on the oil component in greasy filth pollutant The ullage of specified altitude；With

Oil-scraping device, the chain being set in the blender at the liquid level position of specified altitude, including cycle rotation and It is spaced the oil scraping plate of predetermined distance setting on the chain, is scraped the oil component for floating on ullage using the oil scraping plate Outside the stirred tank.

2. oil as described in claim 1 is disembarked, it is characterised in that:

The oil-scraping device includes driving gear, driven gear and the chain being sleeved on driving gear and driven gear,

The driving gear and driven gear are horizontally disposed, drive the chain cycle rotation, make the downside direction of the chain The border movement of the stirred tank.

3. oil as claimed in claim 2 is disembarked, it is characterised in that:

Be formed at the position corresponding with the oil-scraping device of the stirred tank access by the oil-scraping device scrape oil at The collection tank divided.

4. oil as claimed in claim 2 is disembarked, it is characterised in that:

The velocity of rotation of the driving gear of the oil-scraping device is adjustable.

5. oil as described in claim 1 is disembarked, it is characterised in that:

The agitating device is horizontal mixer, and the stirred tank is U-shaped stirred tank, and axial one end of the stirred tank is arranged There is feed inlet, the oil-scraping device is arranged in the axial other end.