CN209035049U - A kind of tank truck cleaning treatment system - Google Patents

A kind of tank truck cleaning treatment system Download PDF

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Publication number
CN209035049U
CN209035049U CN201821244321.6U CN201821244321U CN209035049U CN 209035049 U CN209035049 U CN 209035049U CN 201821244321 U CN201821244321 U CN 201821244321U CN 209035049 U CN209035049 U CN 209035049U
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China
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cleaning
sewage
tank
boiler
oil
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CN201821244321.6U
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柴本银
尹凤交
王寿权
张自督
耿文广
刘金勇
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Shandong Tianli Energy Ltd By Share Ltd
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Shandong Tianli Energy Ltd By Share Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The utility model discloses a kind of tank truck cleaning treatment system, 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 system at the top of oil and gas dust trapping chamber as Secondary Air.This technology 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

A kind of tank truck cleaning treatment system
Technical field
The utility model relates to tank truck Removal Technology field more particularly to a kind of tank truck cleaning treatment systems.
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 insufficient that the purpose of the utility model is to overcome the above-mentioned prior arts, provides a kind of low energy consumption, high efficiency, pollution Small, safe and reliable tank truck cleaning treatment system.
To achieve the above objectives, the present invention adopts the following technical solutions:
A kind of tank truck cleaning treatment system, including sequentially connected boiler plant, cleaning device, emission-control equipment, Sewage-treatment plant;Boiler plant provides low-pressure steam for cleaning device;The exhaust gas that cleaning device generates enters exhaust-gas treatment dress It sets;Emission-control equipment includes spray column, adsorption tower, and oil vapour capturing device, the dirt that spray column generates are equipped in the middle part of spray column Water a part returns in 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.
For the utility model using domestic state-of-the-art low-pressure steam steaming pot technology, cleaning quality is guaranteed, scale cleaning, Day processing 200 or more road tank cars can greatly improve efficiency compared with the cleaning of casual household's extensive style, and it is low to reduce the consumption of separate unit vehicle 55% or more quantity of steam is pressed, reuse after cleaning sullage processing reduces the cleaning cost of separate unit vehicle, improves economic benefit.Exhaust gas Rear discharge up to standard is handled, ambient enviroment is not polluted, the great environmental and social benefits of generation;It is generated after oil tank heating Exhaust gas, be mainly made of 2 parts, first is that oil molecule, second is that gaseous VOC, the present invention uses spray column+activated carbon adsorption work Skill handles exhaust gas.
The beneficial effects of the utility model 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 just Reach middle water index after grade processing, a part of (60%) for rinsing tank car, another part (40%) reaches soft water by film process Index, boiler of feeding are recycled, and realize sewage zero-discharge;Exhaust-gas treatment successively reaches after spray column spray and adsorption tower absorption Mark discharge, does not pollute ambient enviroment.
(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 the utility model tank truck cleaning treatment system flow chart,
Fig. 2 is that emission-control equipment handles exhaust gas flow chart in the utility model tank truck cleaning treatment system,
Fig. 3 is that sewage-treatment plant handles sewage flow chart in the utility model tank truck cleaning treatment system.
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
The technical solution of the utility model 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 after payment To corresponding service rack position;
(2) lead to steam, the low-pressure steam that boiler plant 1 generates is passed through oil tank, carries out closed pressure maintaining boiling to oil tank, generally Boiling two hours;
(3) boiling finishes, and the oil-containing exhaust gas generated in digestion process enters emission-control equipment 4, traps and fills through oil vapour Enter the processing oil molecule of spray column 42 and part harmful substance after setting 41 collections, wherein one, sewage in spray column spray pond Divide and returns to circulated sprinkling;Remaining sewage enters sewage-treatment plant, and sewage treatment rear portion up to standard is for rinsing tank truck, separately A part is through the laggard boiler system reuse of 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 by manpower trolley It is handled toward soot;
(2) oil removal conditioning tank 62 is entered by waste water after rotary grate 61, oil removal, even regulation water quality, water make water quality It is stable;
(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 surface 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 passes through 67 row of filter press Except dangerous waste treating stations are sent to, the filtrate of generation enters conditioning tank;Supernatant in flocculation-air floating system enters multi-stage, efficient filtering Tower 65 filters;
(5) middle water index is reached by the filtered sewage of multi-stage, efficient filtration tank, a part of (40-70%) is for rinsing 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 into one the purpose of this utility model, technical scheme and beneficial effects Step is described in detail, it should be understood that being not limited to this foregoing is merely specific embodiment of the utility model Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap Containing being within the protection scope of the utility model.

Claims (9)

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.
CN201821244321.6U 2018-08-03 2018-08-03 A kind of tank truck cleaning treatment system Active CN209035049U (en)

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CN201821244321.6U CN209035049U (en) 2018-08-03 2018-08-03 A kind of tank truck cleaning treatment system

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Application Number Priority Date Filing Date Title
CN201821244321.6U CN209035049U (en) 2018-08-03 2018-08-03 A kind of tank truck cleaning treatment system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114289428A (en) * 2022-03-10 2022-04-08 利津绿瑞环保科技有限公司 Chemical steaming and washing and sewage treatment process for environment-friendly oil tank truck

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114289428A (en) * 2022-03-10 2022-04-08 利津绿瑞环保科技有限公司 Chemical steaming and washing and sewage treatment process for environment-friendly oil tank truck

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