CN208022849U - A kind of innoxious recycling and processing equipment of road tank car cleaning station sewage - Google Patents

Abstract

The utility model is related to a kind of innoxious recycling and processing equipments of road tank car cleaning station sewage, it includes：Anaerobic reation pool, oil separator, coagulating basin, aerobic reaction tank, sedimentation basin, Fenton reaction tanks, reuse sink, cleaning device, Domestic sewage collecting pond, septic tank, biogas air bag and heating boiler, the anaerobic reation pool are made of the interlayer outside anaerobic reaction bucket and anaerobic reaction bucket.Cleaning waste water, sanitary sewage and the septic tank wastewater that road tank car cleaning station generates can be jointly processed by by the utility model, it efficiently solves the problems, such as heating boiler fuel problem and septic tank wastewater is innoxious and its recycling, especially to the utilization of ejected wash water waste heat, reduce oil truck cleaning station energy consumption, material consumption to the greatest extent, 30% or more operating cost is saved, and realizes cycling utilization of wastewater target and " zero-emission " target.

Description

A kind of innoxious recycling and processing equipment of road tank car cleaning station sewage

Technical field

The utility model is related to a kind of innoxious recycling and processing equipments of road tank car cleaning station sewage, belong to industrial wastewater Processing technology field realizes road tank car cleaning station cycling utilization of wastewater and " zero-emission " target.

Background technology

Road tank car is the important tool contained with transporting oil, has in the major petrochemical refining base in China and answers extensively With since the fast development road tank car quantity and capacity of highway construction are also increasing and are expanding year by year.One large-scale petrochemical It is 6000 or more that base, which averagely possesses tank car quantity, and cleaning 10 times every year of average each car, 50 tons of each water consumption, whole year will disappear Consume 3,000,000 tons of water.About 3 yuan/ton of industrial water, is recycled after processing, and conserve water 9,000,000 yuan/year, has very big Economic benefit.Secondly, the raising recently as whole society's environmental consciousness and the upgrading required environmental protection standard, items pollution are controlled Reason measure dynamics is increasing, and the pollution problem of oil truck causes the extensive concern of environmental worker.Oil truck the material that changes the outfit, Generated first in periodic cleaning and maintenance process the filled oil types of a large amount of sewage, especially tank car difference cause sewage at Point complexity, sewage oil content often more than 500mg/L, while may containing the toxicity such as sulfide, benzene, volatile phenol and lead tetraethide compared with Big pollutant causes the serious pollution of surrounding enviroment.

Processing for oily waste water, frequently with " oil removal-coagulation/air supporting-biochemistry " old three sets for the treatment of process.But due to oil Tank car with water is high-temperature water or high-temperature steam when cleaning, and leaving water temperature is still very high after cleaning, and 55 DEG C of average out to, ejected wash water is excessively high Temperature be unfavorable for biochemical treatment.Secondly, after HIGH TEMPERATURE PURGE water is directly discharged into oil separator, oil removal effect is reduced, deepens the breast of oil Change degree handles organic loading to increase subsequent biochemical.So usually oil truck cleaning station can be arranged before oil separator it is slow Pond is rushed, to reduce temperature, but this can cause a large amount of waste heat to be wasted, and in energy saving unfavorable, while also will produce atmosphere pollution.Cause This, oil truck ejected wash water water quality has particularity so that conventional coagulation and biochemical process treatment effeciency is low, it is difficult to meet it and reach Mark the requirement of discharge.Again, cleaning tank car water requirement is big, laggard to tank car cleaning water process according to current environmentally friendly development situation Row reuse is the developing direction of this wastewater processing technology.

In addition, clean the storage Che Shixu heating water or producing steam, so the fuel that boiler needs accounts for the weight of operating cost Very big, combustion process will also result in atmosphere pollution when coal is fuel.And this can then be made up as fuel by generating methane using anaerobism A little defects.All kinds of sewage that are generated for oil truck cleaning station and with water feature, this patent to anaerobic device and processing system into Row special designing efficiently uses oil truck ejected wash water waste heat, significantly reduces emulsification degree oily in waste water, improves oil removal effect Rate about 15% or more improves anaerobic reactor biogas output and quality by adding septic tank wastewater, and biogas is steamed as boiler for producing Vapour（Or hot water）The energy, while utilize steam（Or hot water）Harmless processing is carried out to septic tank wastewater, result in formation of substances With the closed cycle of energy flow, oil truck cleaning station energy consumption, material consumption are reduced to the greatest extent, save 30% or more operating cost, Water outlet reaches railway quality of reused water standard after processing（TB 3007-2000）, finally realize oil truck cleaning station cycle warp The target of Ji and " zero-emission ".

Utility model content

The utility model is directed to oil truck cleaning station water and ejected wash water feature, and it is dirty to provide a kind of road tank car cleaning station The innoxious recycling and processing equipment of water, it can enable the waste heat of ejected wash water utilize, and effectively improve oil removal effect and biochemical treatment effect Fruit, and anaerobic reactor biogas output and quality are improved using septic tank wastewater, all kinds of sewage integration processing are formed closed circuit Cycle has saved floor space, reduces by 30% or more operating cost, finally realizes the target of circular economy and " zero-emission ".

To achieve the above object, the utility model provides the following technical solutions：A kind of road tank car cleaning station sewage without Evilization recycling and processing equipment, it includes：Anaerobic reation pool, oil separator, coagulating basin, aerobic reaction tank, sedimentation basin, Fenton reactions Pond, reuse sink, cleaning device, Domestic sewage collecting pond, septic tank, biogas air bag and heating boiler, the anaerobic reation pool It is made of the interlayer outside anaerobic reaction bucket and anaerobic reaction bucket, the cleaning water outs warp of the cleaning device rinsed after oil truck Suction pump connects the cleaning water inlet of the interlayer bottom, the cleaning water outs on the interlayer top through the first draining pump connect it is described every Water inlet in the middle part of oil sump, oil separator middle and lower part water outlet connect the coagulating basin water inlet, the coagulation through the second draining pump Pond water outlet connects the anaerobic reaction bottom of the barrel water inlet through third draining pump, and Domestic sewage collecting pond water outlet is through the 9th Draining pump connects anaerobic reaction bottom of the barrel water inlet, and the septic tank effluent mouth connects the anaerobic reaction bottom of the barrel through the first sludge pump The methane outlet of feed inlet, the anaerobic reaction bucket connects the biogas air bag biogas import through the first control valve, and the anaerobism is anti- Barrel top water outlet is answered to connect the aerobic reaction tank water inlet through the 4th draining pump, the aerobic reaction tank water outlet is through the 5th row Water pump connects the sedimentation basin water inlet, and the sedimentation basin water outlet connects the Fenton reaction tanks water inlet through the 6th draining pump, The Fenton reaction tanks water outlet connects the reuse sink water inlet through the 7th draining pump, and the reuse sink water inlet is through Eight draining pumps connect the heating boiler water inlet, and the heating boiler steam or hot water outlet pass through all the way after the second control valve Third control valve connects the cleaning device hot water inlet, and another way connects the septic tank steam inlet through the 4th control valve, described Biogas air bag methane outlet is followed by heating boiler fuel gas inlet through the 5th control valve, the 6th control valve.

As the further scheme of the utility model, the bottom plate of the interlayer on the anaerobic reation pool tilts 20 ° to side.

As the further scheme of the utility model, the anaerobic reation pool is supported by supporting rack, the bottom plate upper surface The mud discharging mouth of low side connects the anaerobic reaction bottom of the barrel feed inlet through the second sludge pump.

Chemical feed pipe, the first pH value detector and the are equipped with as the further scheme of the utility model, in the coagulating basin One blender；Setting plus H in the Fenton reaction tanks₂O₂Pipe plus Fe²⁺Pipe, first adjust pH value pipe, the second pH value detector and Second blender；The reuse sink adjusts pH value pipe, third pH value detector and third blender equipped with second.

As the further scheme of the utility model, the anaerobic reaction bucket is to be thoroughly mixed formula anaerobic reactor （CSTR）, anaerobic filter（AF）, Anaerobic Sequencing Bath Reactor（ASBR）, anaerobic baffle reactor（ABR）, upflow anaerobic sludge Bed（UASB）, it is anaerobic expanded granular sludge bed（EGSB）Or interior cycle（IC）Reactor；The oil separator is parallel flow intercepter Or sloping plate oil separation tank；The aerobic reaction tank is aerobic activated sludge process reactor；The sedimentation basin is rectangular sedimentation tank, spoke Flow settling pond or inclined-plate clarifying basin.

Compared with prior art, the utility model has the beneficial effects that：

One：Road tank car ejected wash water has the characteristics that temperature is high, and the utility model is special to anaerobic reactor part Design had not only effectively recycled the after-heat of oil truck ejected wash water, but also was conducive to that anaerobic reactor temperature is maintained to stablize, especially Keep 10-15 ° of anaerobism temperature or more extremely important to keeping the methane production that anaerobic reactor is stablized to have under winter low temperature condition Meaning.Secondly, the utilization of oil truck ejected wash water waste heat substantially reduces emulsification degree oily in waste water, improves follow-up oil removal Effect and biochemical effects reduce Fenton dosings.Simultaneously as UTILIZATION OF VESIDUAL HEAT IN sets ejected wash water water storage before eliminating oil separator The process of slot has the small advantage low with construction cost of construction area, integrated operation cost reduction about 30% or more.

Two：The mode that sanitary sewage, septic tank wastewater and ejected wash water that road tank car cleaning station generates are jointly processed by, Chemical toxicity in ejected wash water is reduced, increases the anaerobic digestion effect to organic macromolecule pollutant in water, in particular with pot After the steam that stove generates carries out harmless treatment to septic tank wastewater, add it in anaerobic reactor to improve methane production And quality, so that methane concentration is reached 70% or more, is more than methane concentration in usual biomass anaerobic aerogenesis（60%）Present situation, effectively It solves the problems, such as cleaning station boiler oil, realizes recycling "the three wastes" (water, gas and industrial residue) processing, therefore realize the reason of recycling industries and clean production It reads.

Three：Highway in China oil truck cleaning station not yet carries out sewage the technology and process equipment of Treatment for Reuse at present, All kinds of waste water that cleaning station generates more integrate the method and technique of processing, existing sewage disposal is using " oil removal-is mixed The old three sets for the treatment of process of solidifying/air supporting-biochemistry ".The utility model develops new technological process and equipment on this basis, passes through The change of " oil removal-biochemistry-coagulation " process, makes flocculant usage reduce 66% or more, effectively reduces processing cost, processing Water outlet reaches railway quality of reused water standard afterwards（TB 3007-2000）, COD < 50mg/L, oily < 1mg/L, ammonia nitrogen < 5mg/ L, turbidity < 3NUT, colorless and odorless realize waste water zero emission target.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the structural schematic diagram of the anaerobic reation pool of the utility model.

1- suction pumps in the figure, 2- anaerobic reation pools, 3- interlayers, 4- anaerobic reaction buckets, 5- mud discharging mouths, 6- supporting racks, 7- Bottom plate, the 5th control valves of 8-, the second sludge pumps of 9-, the first draining pumps of 10-, 11- oil separators, the second draining pumps of 12-, 13- coagulations Pond, 14- chemical feed pipes, 15- the first pH value detectors, the first blenders of 16-, 17- third draining pumps, the 4th control valves of 18-, 19- 4th draining pump, 20- aerobic reaction tanks, the 5th draining pumps of 21-, 22- sedimentation basins, the 6th draining pumps of 23-, 24- Fenton reactions Pond, 25- add H₂O₂Pipe, 26- add Fe²⁺Pipe, 27- first adjust pH value pipe, 28- the second pH value detectors, the second blenders of 29-, 30- 7th draining pump, 31- reuse sinks, 32- second adjust pH value pipe, 33- third pH value detectors, 34- third blenders, 35- the Eight draining pumps, 36- heating boilers, the 6th control valves of 37-, 38- third control valves, the second control valves of 39-, 40- cleaning devices, 41- septic tanks, the first sludge pumps of 42-, the 9th draining pumps of 43-, 44- Domestic sewage collectings pond, 45- biogas air bags, 46- first are controlled Valve processed.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Please refer to Fig.1-2, in the utility model embodiment, a kind of innoxious Treatment for Reuse of road tank car cleaning station sewage Device, it includes：Anaerobic reation pool 2, oil separator 11, coagulating basin 13, aerobic reaction tank 20, sedimentation basin 22, Fenton reaction tanks 24, reuse sink 31, cleaning device 40, Domestic sewage collecting pond 44, septic tank 41, biogas air bag 45 and heating boiler 36, institute Stating the quantity of anaerobic reation pool 2 can configure according to daily cleaning tank car quantity and average water yield, when ensureing sufficient anaerobism Between, 2 total measurement (volume) of anaerobic reation pool is 3 times bigger than 20 volume of aerobic reaction tank, and anaerobic reation pool 2 is circle, is divided into two layers inside and outside, institute It states anaerobic reation pool 2 to be made of the interlayer 3 outside anaerobic reaction bucket 4 and anaerobic reaction bucket, the flushing oil tank of the cleaning device 40 Cleaning water outs after vehicle connect the cleaning water inlet of 3 bottom of the interlayer through suction pump 1, and the ejected wash water on 3 top of the interlayer goes out Mouth connects 11 middle part water inlet of the oil separator through the first draining pump 10, and 11 middle and lower part water outlet of the oil separator is through the second draining pump 12 connect 13 water inlet of the coagulating basin, and 13 water outlet of the coagulating basin connects 4 bottom of anaerobic reaction bucket through third draining pump 17 Water inlet, 44 water outlet of Domestic sewage collecting pond connect 4 bottom water inlet of anaerobic reaction bucket, describedization through the 9th draining pump 43 41 water outlet of manure pit connects 4 bottom feed inlet of the anaerobic reaction bucket through the first sludge pump 42, and the biogas of the anaerobic reaction bucket 4 goes out Mouth connects 45 biogas import of the biogas air bag through the first control valve 46, and 4 top water outlet of the anaerobic reaction bucket is through the 4th draining Pump 19 connects 20 water inlet of the aerobic reaction tank, and 20 water outlet of the aerobic reaction tank connects the sedimentation basin through the 5th draining pump 21 22 water inlets, 22 water outlet of the sedimentation basin connect 24 water inlet of Fenton reaction tanks through the 6th draining pump 23, and Fenton is anti- Answer quantity that pond 24 configures can as needed depending on, it is used in parallel, can temporarily be used as aqua storage tank after completion of the reaction, reduce and take up an area Area, 24 water outlet of Fenton reaction tanks connect 31 water inlet of reuse sink, the recycle-water through the 7th draining pump 30 31 water inlet of slot connects 36 water inlet of the heating boiler, 36 steam of the heating boiler or hot water outlet warp through the 8th draining pump 35 After second control valve 39,40 hot water inlet of the cleaning device is connect through third control valve 38 all the way, another way is through the 4th control valve 18 connect 41 steam inlet of the septic tank, and 45 methane outlet of biogas air bag is followed by through the 5th control valve 8, the 6th control valve 37 36 fuel gas inlet of heating boiler.

As shown in Figure 1, the bottom plate 7 of the interlayer 3 on the anaerobic reation pool 2 tilts 20 ° to side, so as to by flushing oil tank The collection and discharge of the sediments such as greasy filth are generated when vehicle；The anaerobic reation pool 2 is supported by supporting rack 6, and the setting of supporting rack 6 is being detested 2 bottom margin of oxygen reaction tank is to protect interlayer；The mud discharging mouth 5 of 7 upper surface low side of the bottom plate connects through the second sludge pump 9 described to be detested 4 bottom feed inlet of oxygen reaction container, mud discharging mouth 5 are connected by the second sludge pump 9 with 4 feed inlet of anaerobic reaction bucket, such greasy filth into Enter and decomposed in anaerobic reaction bucket 4, is greatly reduced by the quantity of solid waste for the vehicle generation that cleans the storage.

As shown in Figure 1, being equipped with chemical feed pipe 14, the first pH value detector 15 and the first blender 16 in the coagulating basin 13； Setting plus H in the Fenton reaction tanks 24₂O₂Pipe 25 plus Fe²⁺Pipe 26, first adjusts pH value pipe 27, the second pH value detector 28 And second blender 29；The reuse sink 31 adjusts pH value pipe 32, third pH value detector 33 and third blender equipped with second 34。

The anaerobic reaction bucket 4 is to be thoroughly mixed formula anaerobic reactor, anaerobic filter, Anaerobic Sequencing Bath Reactor, anaerobism Baffle reactor, up-flow anaerobic sludge blanket, anaerobic expanded granular sludge bed or inner circulation reactor；The oil separator 11 is flat Streaming oil separator, sloping plate oil separation tank；The aerobic reaction tank 20 is aerobic activated sludge process reactor；The sedimentation basin 22 is flat Flow settling pond, radical sedimentation basin or inclined-plate clarifying basin.

Application examples one：

Using Maoming City oil truck cleaning station as objective for implementation, oil truck ejected wash water is in yellow or yellow-gray, temperature 58 ° of degree, turbidity 611NUT, with pungent oily taste, 583.12 4991.5 mg/L of mg/L, COD of oil-containing, ammonia nitrogen 24.19 Mg/L, 114 mg/L of ss suspended solid, pH value 8.36.Cleaning station sanitary sewage pH value 7.39,181.6 mg/L of COD, ammonia nitrogen 23.5 mg/L, ss suspended solid 62mg/L.Septic tank wastewater pH value 7.96,32065.7 mg/L of COD, 6937.8 mg/ of ammonia nitrogen L, VS/TS is 70.4.

Oil truck flushing water is directly squeezed into 3 bottom of interlayer of anaerobic reation pool 2,3 bottom of anaerobic reation pool interlayer by suction pump 1 The greasy filth that the mud discharging mouth of facial planes least significant end is collected squeezes into anaerobic reaction bucket 4 by the second sludge pump 9, and such greasy filth enters anaerobism It is decomposed, is greatly reduced by the quantity of solid waste for the vehicle generation that cleans the storage in reaction container 4.

3 use of anaerobic reaction bucket is thoroughly mixed formula anaerobic reactor in the application example.Ejected wash water and inside in interlayer 3 are detested Oxygen reaction container fully carries out heat exchange, maintains anaerobic reaction barrel temperature to maintain anaerobic reation pool temperature at 22 ° or more, winter in this way Degree 10-15 ° or more, after 8 hours residence times by 3 top discharge outlet of anaerobic reation pool interlayer by the first draining pump 10 be discharged into every Oil sump 11.This mode had not only recycled flushing water heat, but also reduced emulsification degree oily in flushing water, made 11 oil removing of oil separator Rate improves 15% or more, is conducive to subsequent biochemical processing.

The water outlet of oil separator 11 is entered by the second draining pump 11 in coagulating basin 13 by middle and lower part water outlet, in the application example Oil separator 11 is parallel flow intercepter, and 483.42 2963 mg/L of mg/L, COD of oil-containing is discharged after oil removal.What coagulating basin 13 was added Coagulant is polyaluminium sulfate, and dosage 0.5g/L is first configured to saturated solution before being added, is added by chemical feed pipe 14, stirs Stop standing 1 hour after twenty minutes.Then the water outlet of coagulating basin 13 enters anaerobic reaction bucket, anaerobic reaction by third draining pump 17 4 volumetric ratio aerobic reaction pool volumes of bucket are 3 times big.Sludge concentration is maintained at 6000mg/L or more, and sludge is about with wastewater volume ratio 1:2.5.The septic tank wastewater generated by cleaning station in septic tank carries out harmless treatment with steam, is kept for 70 ° after being passed through steam It one hour, is then squeezed into together in anaerobic reaction bucket 4 with sanitary sewage, keeps TS 10% in anaerobic reaction bucket.When hydraulic retention Between be 3 days, COD, oil removal rate be respectively 60%, 45%.Anaerobic gas generation rate is 0.47L/gVS, methane content 72%, biogas confession It is used as energy sources for heating recycle-water to heating boiler 36.

The water outlet of anaerobic reaction bucket 4 enters aerobic reaction tank 20 by the 4th draining pump 19.Aerobic reaction tank in the application example 20 be aerobic activated sludge process reaction tank, and sludge concentration is maintained at 3260mg/L, and aeration phase dissolved oxygen is controlled in 3.5mg/L, After aeration time is 6h, COD, oily removal rate are respectively 86%, 65%.The water outlet of aerobic reaction tank 20 passes through the 5th draining pump 21 Into sedimentation basin 22, sedimentation basin 22 is rectangular sedimentation tank in the application example.Sedimentation basin 22 water outlet by the 6th draining pump 23 into After entering Fenton reaction tanks 24, it is separately added into 30% H₂O₂、FeSO₄•7H₂O, the two molar ratio is 1:20, with hydrochloric acid tune pH value 3.0,1.5h is stood after stirring 1h, the water outlet of Fenton reaction tanks 24 is discharged into reuse sink 31 by the 7th draining pump 30, by Second adjusts pH value pipe 32 that saturation NaOH solution is added, and adjusts pH value 7.0, is discharged COD 30.2mg/L, 0.29 mg/L of oil at this time, 1.71 mg/L of ammonia nitrogen, turbidity < 3NUT, water white transparency.The water outlet of reuse sink 31 enters in heating boiler 36,36 institute of heating boiler Need biogas to be supplied by biogas air bag 45, the hot water or steam that heating boiler 36 generates, the hot water of generation by the second control valve 2, Third control valve 38 is supplied to cleaning device 40 to carry out the vehicle that cleans the storage, and the steam of generation is controlled by the second control valve the 39, the 4th Valve 18 processed is supplied to septic tank 41 to carry out harmless treatment.

After this method carries out harmless treatment using the steam that boiler generates to septic tank wastewater, by itself and sanitary sewage one It rises and anaerobic reactor is added to improve methane production and quality, the energy of the methane as heating boiler, while by being filled to anaerobism The special designing set takes full advantage of the waste heat of ejected wash water, eliminates the process that ejected wash water aqua storage tank is set before oil separator；By most Ejected wash water carries out reuse afterwards, reduces oil truck cleaning station energy consumption, material consumption to the greatest extent, has and saves construction area and reduction The characteristics of construction cost, saves 30% or more operating cost, therefore realizes the theory of recycling industries and clean production.

Claims (5)

1. a kind of innoxious recycling and processing equipment of road tank car cleaning station sewage, which is characterized in that it includes：Anaerobic reaction Pond, oil separator, coagulating basin, aerobic reaction tank, sedimentation basin, Fenton reaction tanks, reuse sink, cleaning device, sanitary sewage are received Ji Chi, septic tank, biogas air bag and heating boiler, the anaerobic reation pool is by the interlayer outside anaerobic reaction bucket and anaerobic reaction bucket Composition, cleaning water outs after the flushing oil truck of the cleaning device through suction pump connect the ejected wash water of the interlayer bottom into Mouthful, the cleaning water outs on the interlayer top connect water inlet in the middle part of the oil separator through the first draining pump, in the oil separator under Portion's water outlet connects the coagulating basin water inlet through the second draining pump, and the coagulating basin water outlet connects through third draining pump described to be detested Oxygen reacts bottom of the barrel water inlet, and Domestic sewage collecting pond water outlet connects anaerobic reaction bottom of the barrel through the 9th draining pump and intakes Mouthful, the septic tank effluent mouth connects the anaerobic reaction bottom of the barrel feed inlet, the natural pond of the anaerobic reaction bucket through the first sludge pump Gas outlet connects the biogas air bag biogas import through the first control valve, and anaerobic reaction bucket top water outlet is through the 4th draining pump The aerobic reaction tank water inlet is connect, the aerobic reaction tank water outlet meets the sedimentation basin water inlet, institute through the 5th draining pump It states sedimentation basin water outlet and connects the Fenton reaction tanks water inlet through the 6th draining pump, the Fenton reaction tanks water outlet is through Seven draining pumps connect the reuse sink water inlet, and the reuse sink water inlet connects the heating boiler through the 8th draining pump and intakes Mouthful, the heating boiler steam or hot water outlet connect the cleaning device heat through third control valve all the way after the second control valve Water inlet, another way connect the septic tank steam inlet through the 4th control valve, and the biogas air bag methane outlet is through the 5th control Valve, the 6th control valve are followed by heating boiler fuel gas inlet；The bottom plate of interlayer on the anaerobic reation pool tilts 20 ° to side, The anaerobic reation pool is supported by supporting rack, and it is anti-that the mud discharging mouth of bottom plate upper surface low side through the second sludge pump connects the anaerobism Answer bottom of the barrel feed inlet.

2. a kind of innoxious recycling and processing equipment of road tank car cleaning station sewage according to claim 1, feature exist In the anaerobic reaction bucket is anti-to be thoroughly mixed formula anaerobic reactor, anaerobic filter, Anaerobic Sequencing Bath Reactor, anaerobism baffle Answer device, up-flow anaerobic sludge blanket, anaerobic expanded granular sludge bed or inner circulation reactor.

3. a kind of innoxious recycling and processing equipment of road tank car cleaning station sewage according to claim 1, feature exist In the oil separator is parallel flow intercepter or sloping plate oil separation tank.

4. a kind of innoxious recycling and processing equipment of road tank car cleaning station sewage according to claim 1, feature exist In the aerobic reaction tank is aerobic activated sludge process reactor.

5. a kind of innoxious recycling and processing equipment of road tank car cleaning station sewage according to claim 1, feature exist In the sedimentation basin is rectangular sedimentation tank, radical sedimentation basin or inclined-plate clarifying basin.