CN108941107A - A kind of tank truck cleaning treatment system and technique - Google Patents
A kind of tank truck cleaning treatment system and technique Download PDFInfo
- Publication number
- CN108941107A CN108941107A CN201810875632.0A CN201810875632A CN108941107A CN 108941107 A CN108941107 A CN 108941107A CN 201810875632 A CN201810875632 A CN 201810875632A CN 108941107 A CN108941107 A CN 108941107A
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- CN
- China
- Prior art keywords
- tank
- oil
- cleaning
- sewage
- treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000004140 cleaning Methods 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000010865 sewage Substances 0.000 claims abstract description 79
- 239000007921 spray Substances 0.000 claims abstract description 46
- 239000007789 gas Substances 0.000 claims abstract description 34
- 239000002918 waste heat Substances 0.000 claims abstract description 14
- 238000011084 recovery Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 239000002699 waste material Substances 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims abstract description 7
- 238000010025 steaming Methods 0.000 claims abstract description 7
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- 238000007667 floating Methods 0.000 claims description 18
- 230000003750 conditioning Effects 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 14
- 238000009835 boiling Methods 0.000 claims description 12
- 239000002351 wastewater Substances 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 9
- 239000008234 soft water Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
Abstract
The present invention discloses a kind of tank truck cleaning treatment system and technique, comprising: boiler plant, cleaning device, oil vapour capturing device, emission-control equipment, waste-heat recovery device and sewage-treatment plant；Boiler plant is connect with cleaning device, oil vapour capturing device is located in the middle part of the spray column of emission-control equipment, waste liquid a part of spray column returns in spray column through circulating pump, remaining enters sewage-treatment plant, and unabsorbed oil vapour burns through entering boiler plant at the top of oil and gas dust trapping chamber as Secondary Air.The present invention is using domestic state-of-the-art low-pressure steam steaming pot technology; cleaning quality is guaranteed; scale cleaning; day processing 200 or more tank trucks; efficiency can be greatly improved compared with the cleaning of casual household's extensive style, separate unit vehicle is reduced and consumes 55% or more low-pressure steam amount, reuse after cleaning sullage processing; the cleaning cost for reducing separate unit vehicle, improves economic benefit.Discharge, does not pollute ambient enviroment, generates great environmental and social benefits after exhaust-gas treatment is up to standard.
Description
Technical field
The present invention relates to tank truck Removal Technology field more particularly to a kind of tank truck cleaning treatment systems and technique.
Background technique
Tank truck is the important tool contained with transporting oil, and in China, the fields such as industry, military affairs, economy have answers extensively
With quantity increases year by year, for the transportation safety and stay in grade for guaranteeing oil plant, it is necessary to periodically carry out cleaning inspection to tank truck inner wall
It repairs.The current tank car cleaning process mode of operation in China can substantially divide following several: (1) artificial ablution.(2) high temperature steaming
Method.(3) chemical liquid soaking and washing is used.(4) High-pressure Water Jet Technology.Different disadvantages: 1) artificial cleaning process are individually present
Not only cleaning efficiency is low, large labor intensity, cleaning quality are poor, but also has biggish harm to the health of cleaning personnel.2)
The method of the stifling cleaning of high-temperature vapour is primarily adapted for use in the cleaning of the rail tank car of dress viscous oil, and is provided with steam boiler
Steam proposes higher ask to water quality.Meanwhile needing to build corresponding boiler room etc., corollary equipment facility investment is huge.It waves
For the oil vapour of hair to the pollution of ambient enviroment also than more serious, the working condition of worker is severe.And cleaning can only be solid
Fixed washing trough station is carried out, and limitation is larger, cleaning of evaporator low efficiency and cost, energy consumption are all very high；3) chemical liquid soaking and washing is used
Not only environmental pollution can be caused because containing chemicals in the aqueous solution of discharge, moreover, to prevent the drug in cleaning to tank
Wall causes corrosion failure, and when cleaning also needs to protect cleaned equipment using corrosion inhibiter appropriate.Meanwhile being attached on removing tank skin
Residual liquor not only needs to consume a large amount of clear water, and possible remaining medicine liquid ingredient can also cause centainly the quality of storage oil product
It influences.4) the Technolgy of High Pressure Water jet Cleaning is applied widely in the cleaning of foreign railway tank truck, still, is built fixation and is washed
The investment of slot station is huge, the big occasion of tank truck cleaning quantity is only applicable to, such as Large-scale Refinery and washing trough station.Jet flow cleaning is general
It, just can not operation in northern area winter using cold water as working media.Meanwhile jet wash not only needs to consume largely
Water resource, and the cost of oily waste water recycling and processing is larger after cleaning of evaporator.Moreover, high pressure water cleaning technique be also easy to by
Tank car inner wall is formed by protective layer and destroys, is easy to appear fortuitous event, one-time investment and dimension using high-pressure working medium
It repairs at high cost.
In short, above several tank truck cleaning methods that China uses at present are not ideal, high energy consumption, poor efficiency, dirt
The big traditional tank car cleaning technique of dye is faced with stern challenge, and there is an urgent need to develop the economic and environment-friendly type technical sides new with utilization
Case carries out tank truck cleaning work.Furthermore it is casual household's mode of self-operations that the cleaning of conventional road tank truck is mostly, small scale, and facility is fallen
Afterwards, on the one hand extensive management causes greatly to waste to water resource；The waste water and exhaust gas generated in another aspect cleaning process does not have
Have and be just directly discharged in environment by processing, causes environmental problem very serious；Furthermore extensive management and backwardness is clear
Washing technique cannot be guaranteed cleaning quality, cause next batch oil pollution or welding quality accident.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art insufficient, provide that a kind of low energy consumption, high efficiency, pollution be small, peace
Complete reliable tank truck cleaning treatment system and the technique with the cleaned system tank truck.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of tank truck cleaning treatment system, including sequentially connected boiler plant, cleaning device, emission-control equipment, sewage
Processing unit；Boiler plant provides low-pressure steam for cleaning device；The exhaust gas that cleaning device generates enters emission-control equipment；It is useless
Flash Gas Compression Skid System includes spray column, adsorption tower, is equipped with oil vapour capturing device in the middle part of spray column, generate one, sewage of spray column
Divide in return spray column；Remaining sewage enters sewage-treatment plant.
Further, in order to which waste heat is preferably absorbed and utilized, between the emission-control equipment and sewage-treatment plant
It is also connected with waste-heat recovery device.
Further, in order to preferably handle, recycle sewage, reach the zero-emission of sewage, the sewage treatment dress
Two outlets are installed, first outlet is connected to cleaning device by pipeline；Second outlet connects boiler plant by pipeline.
Further, in order to more environmentally-friendly, processing exhaust gas, the oil vapour capturing device is equipped with hydrocarbon entrapment room, top
Portion is equipped with oil and gas dust trapping chamber gas outlet, which connects boiler plant by pipeline.
Further, it in order to preferably handle exhaust gas, avoids pollution, also can more fully recycle gas, the suction
Attached tower is set there are two exhaust outlet, and first row port is vented for high-altitude, and second exhaust port is connected to oil storage tank.
Further, in order to guarantee that system is preferably run, the integrality of equipment generates low-pressure steam, the boiler dress
It sets including boiler host, boiler accessory machinery, boiler instrument valve.
Further, the boiler host is Horizontal gas steam boiler.
Further, the entirety being used in conjunction with each other as one, the cleaning device include manhole cover, discharge it is outspoken
Connect, spray gun, water pressure tank, concentration sensor, heat distribution pipeline, cleaning device it is automatically controlled.
Further, in order to preferably handle sewage, the sewage-treatment plant include rotary grate, oil removal conditioning tank,
Oil slick dross absorbs machine, flocculation-air floating system, filter press, filtration tank, membranous system, sewage pump.
With the technique of tank truck cleaning treatment cleaning systems tank truck, comprising:
1) oil sampling in tank car is chemically examined in vehicle admission, and vehicle enters the corresponding service rack position equipped with cleaning device；
2) lead to steam, the low-pressure steam that boiler plant generates is passed through oil tank, carries out boiling to oil tank；
3) boiling finishes, and the oil-containing exhaust gas generated in digestion process enters emission-control equipment, collects through oil vapour capturing device
Enter spray column processing oil molecule and part harmful substance afterwards, wherein sewage a part in spray column returns to circulated sprinkling；Its
Remaining sewage enters sewage-treatment plant；
4) technique 3) in oil-containing exhaust gas continue on through adsorption tower processing after discharge；
5) after ventilating and cooling tank body, it is manually entered tank body scarfing cinder, can be repeated several times according to tank car situation and fill steam steaming pot, cooling；
6) it is manually rinsed with water into tank, waste water enters sewage-treatment plant；It checks and accepts.
With the technique of tank truck cleaning treatment cleaning systems tank truck, the process packet of the sewage-treatment plant processing sewage
It includes:
1) solid refuse and partial suspended thing are promoted to by rotary grate by ground into the waste water of sewage-treatment plant, are sent to
Soot processing；
2) oil removal conditioning tank is entered by waste water after rotary grate, oil removal, even regulation water quality, water keep water quality stable；
3) the oil slick dross entered in oil removal conditioning tank absorbs machine, the oil slick floated in conditioning tank every floating on water surface, then
With oil slick absorb machine floating oil collecting in oil sump tank, make oil, slag, three, water separate；
4) enter flocculation-air floating system, carry out liquid chemical feeding, ensure that flocculating effect, precipitating is sent to dangerous waste by filter press exclusion
Treating stations, supernatant enter the filtering of multi-stage, efficient filtration tank；
5) middle water index is reached by the filtered sewage of multi-stage, efficient filtration tank, a part is for rinsing tank car, another part
Reach soft water index by film process, boiler of feeding is recycled.
For the present invention using domestic state-of-the-art low-pressure steam steaming pot technology, cleaning quality is guaranteed, scale cleaning, at day
Reason 200 or more road tank car can greatly improve efficiency compared with the cleaning of casual household's extensive style, reduce separate unit vehicle consumption low pressure and steam
55% or more vapour amount, reuse after cleaning sullage processing, reduces the cleaning cost of separate unit vehicle, improves economic benefit.Exhaust-gas treatment
Discharge, does not pollute ambient enviroment, the great environmental and social benefits of generation after up to standard；What is generated after oil tank heating is useless
Gas is mainly made of 2 parts, first is that oil molecule, second is that gaseous VOC, the present invention is using at spray column+active carbon absorption technology
Manage exhaust gas.
The beneficial effects of the present invention are:
(1) energy saving, using low-pressure steam steaming pot technology, waste water reuse after processing substantially reduces bicycle cleaning cost；
(2) environmentally friendly, sewage zero-discharge, the gas high altitude discharge after processing reaches clean odorlessness；Oily wastewater passes through at primary
Reach middle water index after reason, a part of (60%) for rinsing tank car, another part (40%) reaches soft water index by film process,
Boiler of feeding is recycled, and realizes sewage zero-discharge；Exhaust-gas treatment is successively by spray column spray and row up to standard after adsorption tower absorption
It puts, ambient enviroment is not polluted.
(3) safety, the detection of gas concentration real-time online, Concentration Testing numerical value are directly transferred to central control room, realize dense
Spend exceeded alarm；It ensures that tank car periphery and tank interior gas concentration be not exceeded, does not fire, personnel do not occur because of oil gas mistake
The accidents such as asphyxia again.
Detailed description of the invention
Fig. 1 is tank truck cleaning treatment system process figure of the present invention,
Fig. 2 is that emission-control equipment handles exhaust gas process flow chart in tank truck cleaning treatment system of the present invention,
Fig. 3 is sewage-treatment plant sewage treatment flow chart in tank truck cleaning treatment system of the present invention.
Wherein, 1. boiler plant, 2. cleaning devices, 3. oil storage tanks, 4. emission-control equipments, 41. oil vapour capturing devices,
42. spray column, 43. spray ponds, 44. adsorption towers, 45. first row ports, 46. second exhaust port, 5. waste-heat recovery devices, 6.
Sewage-treatment plant, 61. rotary grates, 62. conditioning tanks, 63. oil slick drosses absorb machine, 64. flocculation-air floating systems, 65. filterings
Tower, 66. membranous systems, 67. filter presses, 68. oil sump tanks, 69. first outlets, 60. second outlets, 7. pipelines one, 8. pipelines two, 9.
Pipeline three, 10. pipelines four.
Specific embodiment
Technical solution of the present invention is described further with embodiment with reference to the accompanying drawing.
In Fig. 1, at a kind of tank truck cleaning treatment system, including sequentially connected boiler plant 1, cleaning device 2, exhaust gas
Manage device 4, waste-heat recovery device 5 and sewage-treatment plant 6；Boiler plant 1 is connect with cleaning device 2, is provided for cleaning device 2
Low-pressure steam；The exhaust gas that cleaning device 2 generates enters emission-control equipment 4.
Boiler plant 1 includes boiler host, boiler matching subsidiary engine, boiler matching instrument valve, and the boiler host is adopted
With Horizontal gas steam boiler；Boiler plant generates low-pressure steam.
Cleaning device 2 include manhole cover, discharge it is outspoken connect, spray gun, sebific duct, water pressure tank, heat distribution pipeline, cleaning device electricity
Control；Cleaning device is arranged on service rack position, and each equipment cooperates for cleaning the storage, air inlet, blowdown；At cleaning device 2
There are also concentration sensor, concentration sensor can perceive the gas concentration inside oil storage tank and around tank truck, concentration sensor
Namely gas concentration detection device, small in size, the position of placement and quantity are more flexible, and a general service rack position sets 3
It is a.
Tank truck registration admission enters corresponding service rack position and is cleaned, and is equipped on each service rack position independent clear
Cleaning device, each service rack position set 3 gas concentration detection devices, and gas concentration detection device is preferable to provide position are as follows: ground
Operator's workbench 1.5 meters of eminences in face set one, above tanker manhole one at 0.5 meter, operator carry one
It is a；Certainly, more can also be arranged in gas concentration detection device according to the actual situation；Gas concentration real-time online may be implemented
Detection, Concentration Testing numerical value are directly transferred to central control room, realize concentration over-standard alarm；Ensure tank car periphery and tank interior
Gas concentration is not exceeded, does not fire, personnel do not occur because of accidents such as the overweight asphyxias of oil gas.
Shown in referring to Fig.1, vehicle registers admission by left side, after vehicle to be washed enters service rack position, the equipment of cleaning device 2
It is ready, the low-pressure steam that boiler plant 1 generates reaches cleaning device 2 by heat distribution pipeline, and low-pressure steam is passed through tank truck
Oil storage tank 3 in, closed pressure maintaining boiling, general boiling two hours are carried out to oil storage tank.
Referring to shown in Fig. 2, emission-control equipment 4 in the middle part of spray column 42, activated carbon adsorber 44, spray column 42 including being equipped with
Oil vapour capturing device 41；The oil and gas dust trapping chamber of oil vapour capturing device 41 is placed in the middle part of spray column, and oil and gas dust trapping chamber is closed to be set
It sets, upper part setting spray port；Emission-control equipment 4 further includes power control cabinet, water pump, blower, chimney, guarantees cooperation exhaust-gas treatment
The operation of device.
Boiling oil storage tank 3 generate oil-containing exhaust gas by the road 4 10 enter emission-control equipment 4, particularly through oil vapour
Capturing device 41 carries out Oil-gas Separation, and unabsorbed exhaust gas a part enters boiler through the gas outlet at the top of oil and gas dust trapping chamber and fills
It sets 1 to burn as Secondary Air, as shown in pipeline 1；Another part exhaust gas enters the processing of spray column 42, and treated, and gas enters
44 adsorption treatment of adsorption tower, adsorption tower 44 is there are two exhaust outlet, and gas a part after adsorption tower adsorption treatment is through first exhaust
45 high altitude discharges of mouth, a part returns to the cooling tank body of oil storage tank 3 through second exhaust port 46, as shown in pipeline 28；After cooling tank body
Hot wind by the road 39 into emission-control equipments 4 handled after discharge or circulation；It should be understood that boiling oil storage tank 3
The route that hot wind after the oil-containing exhaust gas of generation and cooling tank body enters emission-control equipment 4 can unanimously or separately be set
It sets, sees actual use situation.
Above-mentioned oil-containing exhaust gas enters at sewage in the sewage generated by oil vapour capturing device 41 and the processing of spray column 42
Device is managed, enters sewage-treatment plant shown in Fig. 1 for the sewage that emission-control equipment integrally generates, Fig. 2 is more specific intuitive
Expression enter sewage-treatment plant through the sewage of emission-control equipment；Wherein spray column 42 sprays a part of sewage in pond
Spray port circulated sprinkling is returned by the road, remaining sewage enters sewage-treatment plant 6；As shown in Figure 1, it is preferred that general dirty
Water is first pumped into waste-heat recovery device 5 through sewage pump, and sewage water temperature after exchanging heat is down to 26 DEG C or so and enters sewage-treatment plant 6.
The sewage for wherein spraying return spray port spray in pond can be before entering waste-heat recovery device, a part i.e. return spray
Mouth circulated sprinkling, remainder enter sewage-treatment plant 6 after cooling down by waste-heat recovery device；It can also be returned entering waste heat
After receiving apparatus cooling, a part returns to spray port circulated sprinkling, and remainder enters sewage-treatment plant 6.The sewage treatment
Two outlets are arranged in device 6, and first outlet 69 is communicated to cleaning device 2 by pipeline；Second outlet 60 connects pot by pipeline
Furnace apparatus 1；Treated clear water the has reached tap water quality index of sewage-treatment plant 6, then plus a part supplement tap water, one
Part enters cleaning device and is used for cleaning of evaporator, and another part reaches soft water index through film process and enters boiler plant；Purge tank at this time
Liquid after body is directly entered sewage-treatment plant and is handled.
Referring to shown in Fig. 3, sewage-treatment plant 6 includes rotary grate 61, oil removal conditioning tank 62, oil slick dross absorption machine
63, flocculation-air floating system 64, filter press 67, multi-stage, efficient filtration tank 65, membranous system 66, sewage pump；The rotary grate 61, every
Oily conditioning tank 62, oil slick dross absorb machine 63, flocculation-air floating system 64, multi-stage, efficient filtration tank 65, membranous system 66 and are sequentially connected；
Oil slick dross absorbs machine and is also connected with oil sump tank 68, and flocculation-air floating system connects filter press, and filter press 67 connects conditioning tank 62.
Sewage is introduced into rotary grate 61, enters oil slick dross through oil removal conditioning tank 62 and absorbs machine 63, oil sump tank 68 is collected
Oil slick, residual waste solution, waste residue enter flocculation-air floating system 64, medicament is added, and supernatant, which enters after filtration tank 65 is handled, to be reached
Water index, a part of (40-70%) are back to flushing tank car, and another part (60-30%) reaches soft water index by film process, supply
Boiler is recycled；The precipitating that flocculation-air floating system generates is sent to dangerous waste treating stations by filter press discharge, and filtrate enters adjusting
Pond.
With the technique of tank truck cleaning treatment cleaning systems processing tank truck, comprising:
(1) after vehicle admission, oil sampling in tank car is chemically examined, the purpose of carwash is registered, arrange vehicle to enter phase after payment
The service rack position answered；
(2) lead to steam, the low-pressure steam that boiler plant 1 generates is passed through oil tank, carries out closed pressure maintaining boiling, general boiling to oil tank
Two hours；
(3) boiling finishes, and the oil-containing exhaust gas generated in digestion process enters emission-control equipment 4, through oil vapour capturing device 41
Enter spray column 42 after collection and handle oil molecule and part harmful substance, wherein sewage a part in spray column spray pond is returned
Return circulated sprinkling；Remaining sewage enters sewage-treatment plant, and sewage treatment rear portion up to standard is for rinsing tank truck, another portion
The laggard boiler system reuse of lease making film process.
(4) after oil-containing exhaust gas continues on through the processing of adsorption tower 44 in technique (3), a part is high through adsorption tower the first gas outlet 45
Idle discharge is put, and a part returns to the cooling tank body of oil storage tank 3 through the second gas outlet of adsorption tower 46 as circulation air, such as 28 institute of pipeline
Show, the hot wind after cooling tank body is again introduced into emission-control equipment processing, as shown in pipeline 39；
(5) after tank body is cooling, it is manually entered tank body scarfing cinder, can be repeated several times according to tank car situation and fill steam steaming pot, cooling；
(6) it is manually rinsed with water into tank, the waste water for rinsing tank body enters sewage-treatment plant；Final acceptance.
In the technique (2), the dynamic of tank truck oil storage tank unloading port transparent pipe is observed when leading to steam, there are a large amount of steam to arrange
Unloading port's valve is closed when out, and boiling is carried out to oil storage tank；It is controlled by pressure controller, steam off when gauge pressure 0.012Mpa
Valve, gauge pressure 0.008Mpa open steam valve.
As more preferably selecting, the sewage generated in above-mentioned technique (3) is first pumped into waste-heat recovery device 5 through sewage pump, dirty
Water water temperature after exchanging heat is down to 26 DEG C or so and enters sewage-treatment plant 6.Wherein spray the dirt that spray port spray is returned in pond
Water can be before entering waste-heat recovery device, and a part returns to spray port circulated sprinkling, other sewage are recycled by waste heat
Enter sewage-treatment plant 6 after device cooling；Can also be after entering waste-heat recovery device cooling, a part returns to spray port and follows
Ring spray leaching, remainder enter sewage-treatment plant 6；Other techniques do not change.
The gas a part absorbed is not collected in technique (3) by oil vapour capturing device 41 through entering at the top of oil and gas dust trapping chamber
Boiler plant 1 burns as Secondary Air, as shown in pipeline 1.
The tank truck cleaning treatment technique, wherein sewage-treatment plant processing sewage process include:
(1) solid refuse and partial suspended thing are promoted to ground by rotary grate 61 by sewage, are sent to rubbish by manpower trolley
The processing of rubbish field；
(2) oil removal conditioning tank 62 is entered by waste water after rotary grate 61, oil removal, even regulation water quality, water run water quality
Stablize；
(3) the oil slick dross entered in oil removal conditioning tank 62 absorbs machine 63, the oil slick floated in conditioning tank every floating on water body table
Face, then with oil slick absorb machine floating oil collecting in oil sump tank 68, make oil, slag, three, water separate；
(4) enter flocculation-air floating system 64, carry out liquid chemical feeding, ensure that flocculating effect；Precipitating is sent by the exclusion of filter press 67
Toward dangerous waste treating stations, the filtrate of generation enters conditioning tank；Supernatant in flocculation-air floating system enters multi-stage, efficient filtration tank 65
Filtering；
(5) middle water index is reached by the filtered sewage of multi-stage, efficient filtration tank, a part of (40-70%) is used to rinse tank car,
Another part (60-30%) is handled by membranous system reaches soft water index, and boiler of feeding is recycled.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (11)
1. a kind of tank truck cleaning treatment system, it is characterised in that: including sequentially connected boiler plant (1), cleaning device
(2), emission-control equipment (4), sewage-treatment plant (6)；Boiler plant (1) is that cleaning device (2) provide low-pressure steam；Cleaning
The exhaust gas that device generates enters emission-control equipment (4)；Emission-control equipment includes spray column (42), adsorption tower (44), spray
Oil vapour capturing device (41) are equipped in the middle part of tower, sewage a part that spray column generates returns in spray column；Remaining sewage enters
Sewage-treatment plant.
2. tank truck cleaning treatment system according to claim 1, it is characterised in that: emission-control equipment (4) and sewage
Waste-heat recovery device (5) are also connected between processing unit (6).
3. tank truck cleaning treatment system according to claim 1 or 2, it is characterised in that: the sewage-treatment plant (6)
Two outlets are set, and first outlet (69) is connected to cleaning device by pipeline；Second outlet (60) connects boiler dress by pipeline
It sets.
4. tank truck cleaning treatment system according to claim 1 or 2, it is characterised in that: the oil vapour capturing device
(41) it is equipped with hydrocarbon entrapment room, top is equipped with oil and gas dust trapping chamber gas outlet, which connects boiler plant by pipeline.
5. tank truck cleaning treatment system according to claim 1 or 2, it is characterised in that: the adsorption tower (44) is equipped with
Two exhaust outlets, first row port (45) are vented for high-altitude, and second exhaust port (46) is connected to oil storage tank (3).
6. tank truck cleaning treatment system according to claim 1 or 2, it is characterised in that: the boiler plant (1) includes
Boiler host, boiler accessory machinery, boiler instrument valve.
7. tank truck cleaning treatment system according to claim 6, it is characterised in that: the boiler host is Horizontal gas
Steam boiler.
8. tank truck cleaning treatment system according to claim 1 or 2, it is characterised in that: the cleaning device (2) includes
Manhole cover, discharge be outspoken to be connect, spray gun, water pressure tank, concentration sensor, heat distribution pipeline, cleaning device are automatically controlled.
9. tank truck cleaning treatment system according to claim 1 or 2, it is characterised in that: the sewage-treatment plant (6)
Machine (63), flocculation-air floating system (64), filter press are absorbed including rotary grate (61), oil removal conditioning tank (62), oil slick dross
(67), filtration tank (65), membranous system (66), sewage pump.
10. a kind of technique of the tank truck cleaning treatment cleaning systems tank truck described in claim 1-9 any claim,
It is characterized by comprising:
1) oil sampling in tank car is chemically examined in vehicle admission, and vehicle enters the corresponding service rack position equipped with cleaning device；
2) lead to steam, the low-pressure steam that boiler plant (1) generates is passed through oil tank, carries out boiling to oil tank；
3) boiling finishes, and the oil-containing exhaust gas generated in digestion process enters emission-control equipment 4, receives through oil vapour capturing device 41
Enter spray column 42 after collection and handle oil molecule and part harmful substance, wherein sewage a part in spray column returns to circulation spray
Leaching；Remaining sewage enters sewage-treatment plant；
4) technique 3) in oil-containing exhaust gas continue on through adsorption tower 44 handle after discharge；
5) after ventilating and cooling tank body, it is manually entered tank body scarfing cinder, can be repeated several times according to tank car situation and fill steam steaming pot, cooling；
6) it is manually rinsed with water into tank, the waste water for rinsing tank body enters sewage-treatment plant；Final acceptance.
11. tank truck cleaning treatment technique according to claim 10, the process of the sewage-treatment plant processing sewage
Include:
1) solid refuse and partial suspended thing are promoted to by rotary grate (61) by ground into the waste water of sewage-treatment plant,
It is sent to soot processing；
2) entered oil removal conditioning tank (62) by waste water after rotary grate, oil removal, even regulation water quality, water run water quality
Stablize；
3) the oil slick dross entered in oil removal conditioning tank absorbs machine (63), the oil slick floated in conditioning tank every floating on water body table
Face, then with oil slick absorb machine floating oil collecting in oil sump tank, make oil, slag, three, water separate；
4) enter flocculation-air floating system (64), carry out liquid chemical feeding, ensure that flocculating effect, precipitating is excluded by filter press (67)
Dangerous waste treating stations are sent to, supernatant enters multi-stage, efficient filtration tank (65) filtering；
5) middle water index is reached by the filtered sewage of multi-stage, efficient filtration tank, a part is for rinsing tank car, another part
Reach soft water index by film process, boiler of feeding is recycled.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110563235A (en) * | 2019-09-06 | 2019-12-13 | 山东理工大学 | Liquid tank truck evaporation and washing tank body waste water-waste gas combined treatment equipment and process |
| CN111377387A (en) * | 2020-06-01 | 2020-07-07 | 湖南省特种设备检验检测研究院 | Treatment system and method for dangerous chemical residues of tank truck |
| CN111822464A (en) * | 2020-07-29 | 2020-10-27 | 南京市锅炉压力容器检验研究院 | Membrane cleaning system for preferential organic matter permeation of oil tank truck and operation process |
| CN113185012A (en) * | 2021-03-17 | 2021-07-30 | 北京国电富通科技发展有限责任公司 | Accident oil pool pollutant comprehensive treatment method |
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2018
- 2018-08-03 CN CN201810875632.0A patent/CN108941107A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110563235A (en) * | 2019-09-06 | 2019-12-13 | 山东理工大学 | Liquid tank truck evaporation and washing tank body waste water-waste gas combined treatment equipment and process |
| CN111377387A (en) * | 2020-06-01 | 2020-07-07 | 湖南省特种设备检验检测研究院 | Treatment system and method for dangerous chemical residues of tank truck |
| CN111377387B (en) * | 2020-06-01 | 2020-08-18 | 湖南省特种设备检验检测研究院 | Treatment system and method for dangerous chemical residues of tank truck |
| CN111822464A (en) * | 2020-07-29 | 2020-10-27 | 南京市锅炉压力容器检验研究院 | Membrane cleaning system for preferential organic matter permeation of oil tank truck and operation process |
| CN113185012A (en) * | 2021-03-17 | 2021-07-30 | 北京国电富通科技发展有限责任公司 | Accident oil pool pollutant comprehensive treatment method |
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