A kind of ultra-clean processing thermal desorption device of oily sludge objectTechnical field
The present invention relates to the ultra-clean processing of the fields such as oil, petrochemical industry, chemical industry and soil remediation oily sludge object, and in particular to oneThe kind ultra-clean processing thermal desorption device of oily sludge object.
Background technology
It is inevitable in petroleum industry currently, producing a large amount of oily sludge objects generated in chain in oil and natural gasThe problem of.Oily sludge object causes great harm to environment and human health, and urgent need obtains effective and sustainable improvement.Wherein pyrolyzing sludge is worldwide implemented, and hydrocarbonization in oily sludge object is detached using various pyrolysis heatersObject is closed, but existing pyrolysis heater has the discontinuous operation of interval, poor processing effect, efficiency is low, security risk is high, high energy consumption,The problems such as discharge capacity is larger.
Invention content
The present invention provides a kind of ultra-clean processing thermal desorption device of oily sludge object for above-mentioned the deficiencies in the prior art.
A kind of ultra-clean processing thermal desorption device of oily sludge object of the present invention, is made of shell and rotating cylinder, and described is outerShell is internally provided with reducing main shaft rotating cylinder, and one end of reducing main shaft rotating cylinder is equipped with feed pipe, and feed pipe is sealed equipped with feed endIt covers, rotating cylinder main shaft bull gear and the limit rolling ring of rotating cylinder main shaft support and support roller is secured on the side wall of reducing main shaft rotating cylinder feed endGroup, rotating cylinder main shaft bull gear are sequentially connected with rotating cylinder spindle drive motor, and the limit rolling ring of rotating cylinder main shaft support and support roller group pass throughHolder is fixed on ground；The other end of reducing main shaft rotating cylinder is equipped with discharge end wind turbine, and the top of discharge end wind turbine is mounted with successivelyTemperature sensor and oil gas portal in detection and peep hole, rotating cylinder, and the top that oil gas portals is equipped with explosion-protection equipment, what oil gas portalledBoth sides are respectively equipped with oil gas vent temperature sensor and oil gas vent press detection sensor, the side of reducing main shaft rotating cylinder discharge endThe rolling ring of rotating cylinder main shaft support and support roller group are secured on wall, the rolling ring of rotating cylinder main shaft support and support roller group are fixed by the bracket in groundFace；The bottom of reducing main shaft rotating cylinder is equipped with mixed oil-gas burner, mixed oil-gas burner respectively with gas inlet and fuel oil intoOily manifold piping connections are equipped with combustion air in reducing main shaft rotating cylinder, at the burner of mixed oil-gas burner and enter the wind manifold；ShellTop be equipped with exhanst gas outlet, smoke overflow mouth, flue gas oxygen content detection are sequentially provided on the side wall of exhanst gas outletSensor, flue-gas temperature detection sensor, smoke regulating valve.
As a further improvement on the present invention, the bottom of the reducing main shaft rotating cylinder set there are six oil-gas mixed burning burnDevice and two are one group, and furnace is equipped in reducing main shaft rotating cylinder, between the burner of every group of two mixed oil-gas burnerInterior temperature sensor.
As a further improvement on the present invention, further include DCS intelligence centralized control systems, DCS intelligence centralized control system respectively with cigaretteGas regulating valve, flue-gas temperature detection sensor, flue gas oxygen content detection sensor, temperature sensor in rotating cylinder, temperature in furnaceSensor, oil gas vent temperature sensor are connected with oil gas vent press detection sensor circuit.
As a further improvement on the present invention, on the sled pedestal of bottom, the rotating cylinder main shaft support limits for present apparatus skidRolling ring and support roller group and the rolling ring of rotating cylinder main shaft support and support roller group are fixed by the bracket on the sled pedestal of bottom.
A kind of ultra-clean processing thermal desorption device of oily sludge object of the present invention, advantage are：
1, the ultra-clean processing thermal desorption device of a kind of oily sludge object of the present invention is run using high temperature anoxybiotic, realizes nothingOxygen thermal desorption reacts, and improves overall operation safety；
2, the ultra-clean processing thermal desorption device of a kind of oily sludge object of the present invention, oil gas vent top is equipped with explosion-proof dressIt sets, when reducing main shaft, which turns cylinder pressure, is more than design burst pressure, explosion-protection equipment rupture disk will rupture release automatically, it is ensured that rollingCylinder safety, ensure that equipment safety；
3, the ultra-clean processing thermal desorption device of a kind of oily sludge object of the present invention, fixed gas recycling, as fuel reuse, sectionAbout fuel improves the level of resources utilization, reduces system operation cost, realizes material product recycling；
4, the ultra-clean processing thermal desorption device of a kind of oily sludge object of the present invention, solid phase residue total petroleum hydrocarbon TPH after processing<0.5 ‰, it is ultra-clean " zero-emission " to realize slag phase, reproducible utilization, has significant direct economic benefit and social benefit.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the vertical view of the present invention.
Specific implementation mode
A kind of ultra-clean processing thermal desorption device of oily sludge object of the present invention, is made of shell 7 and rotating cylinder, 7 He of shellRotating cylinder is constituted, and the shell 7 is internally provided with reducing main shaft rotating cylinder 14, and one end of reducing main shaft rotating cylinder 14 is equipped with feed pipe 1,Feed pipe 1 is equipped with feed end seal closure 3, and rotating cylinder main shaft bull gear 4 is secured on the side wall of 14 feed end of reducing main shaft rotating cylinderRolling ring and support roller group 5 are limited with rotating cylinder main shaft support, rotating cylinder main shaft bull gear 4 is sequentially connected with rotating cylinder spindle drive motor 2, turnsThe limit rolling ring of cylinder main shaft support and support roller group 5 are fixed by the bracket on the sled pedestal 22 of bottom；The other end of reducing main shaft rotating cylinder 14Equipped with discharge end wind turbine 21, the top of discharge end wind turbine 21 is mounted with temperature sensor in detection and peep hole 20, rotating cylinder successively19 and oil gas portal 18, portal 18 top of oil gas is equipped with explosion-protection equipment 17, and portal 18 both sides of oil gas are respectively equipped with oil gas and go outMouthful temperature sensor 30 and oil gas vent press detection sensor 31 secure on the side wall of 14 discharge end of reducing main shaft rotating cylinder and turnCylinder main shaft support rolling ring and support roller group 15, the rolling ring of rotating cylinder main shaft support and support roller group 15 are fixed by the bracket prizes pedestal 22 bottom of inOn；The bottom of reducing main shaft rotating cylinder 14 be equipped with mixed oil-gas burner 25, mixed oil-gas burner 25 respectively with gas inlet 23With 24 piping connections of fuel oil oil inlet manifold, it is equipped in reducing main shaft rotating cylinder 14, at the burner of mixed oil-gas burner 25 combustion-supportingWind enters the wind manifold 6；The top of shell 1 is equipped with exhanst gas outlet 9, and flue gas is sequentially provided on the side wall of exhanst gas outlet 9 and is overflowHead piece 8, flue gas oxygen content detection sensor 12, flue-gas temperature detection sensor 11, smoke regulating valve 10.The reducing main shaftThe bottom of rotating cylinder 14 sets that there are six mixed oil-gas burner 25 and two as one group, reducing main shaft rotating cylinder 14 it is interior, every group twoTemperature sensor 29 in furnace are equipped between the burner of mixed oil-gas burner 25.
The invention also includes DCS intelligence centralized control system 28, DCS intelligence centralized control system 28 respectively with smoke regulating valve 10, cigaretteGas temperature detection sensor 11, flue gas oxygen content detection sensor 12, temperature sensor 19 in rotating cylinder, temperature sensor in furnace29, oil gas vent temperature sensor 30 is connected with 31 circuit of oil gas vent press detection sensor.
A kind of ultra-clean processing thermal desorption device of oily sludge object of the present invention uses the closed high temperature anoxybiotic skill of continuous feeding and dischargingArt, oily sludge object react in reducing main shaft rotating cylinder by 400 DEG C~700 DEG C high temperature anoxybiotics, and oil, water or polycyclic aromatic hydrocarbon etc. haveMachine object phase transformation vaporizes, and is detached with solid, solid phase residue total petroleum hydrocarbon TPH after thermal desorption processing<0.5 ‰, realize ultra-clean processing, oilThe condensed processing recycling oil phase of gas, water phase, fixed gas environmental protection are flashed back.
Oily sludge object is entered by feed pipe 1 in reducing main shaft rotating cylinder 14, by 2 driving pinion of rotating cylinder spindle drive motorRotating cylinder main shaft bull gear 4, rotating cylinder main shaft bull gear 4 is driven to be mounted on reducing with the limit rolling ring of rotating cylinder main shaft support and support roller group 5Outside main shaft rotating cylinder 14, rotating cylinder main shaft support limits rolling ring and support roller group 5 and is protected jointly with the rolling ring of rotating cylinder main shaft support and support roller group 1514 concentricity of reducing main shaft rotating cylinder is demonstrate,proved, and limits auxiliary reducing main shaft rotating cylinder 14 and transports.
There is 3 device of feed end seal closure in feed pipe 1 and rotating cylinder main shaft bull gear 4, it is total with discharge end seal closure 16Ensure the 14 anoxybiotic sealing of reducing main shaft rotating cylinder with sealing.Reducing main shaft rotating cylinder 14 uses outer lower part mode of heating, equal in its surroundingThere are insulating layer 13, insulating layer 13 that lagging casing 7 is installed.Exhanst gas outlet 9 is arranged in 7 top of feed end insulation cladding, smoke overflowMouth 8 is vertically mounted on exhanst gas outlet 9, is sequentially installed in apparatus of the present invention top flue gas measurement of oxygen content sensor upper12, flue-gas temperature detection sensor 11, smoke regulating valve 10.
It is sequentially installed with the detection for detecting and observing reducing main shaft rotating cylinder inner case on 21 top of discharging airlockAnd peep hole 20；Temperature sensor 19 in rotating cylinder for detecting reducing main shaft dram temperature；Oil gas for oil gas to be discharged goes outMouth 18.The explosion-protection equipment 17 for protecting reducing main shaft rotating cylinder safety is installed in 18 upper design of oil gas vent.Go out in oil gas18 left and right sides of mouth are separately installed with oil gas vent temperature sensor 30 and oil gas vent press detection sensor 31, for detecting oilThe temperature and pressure situation of change of gas outlet 18.
Combustion air enters the wind manifold 6, gas inlet manifold 23, fuel oil oil inlet manifold 24, burner fuel oil control valve 26, combustionTemperature sensor 29 is separately installed with device lower side in burner gas control valve 27, furnace, gas inlet manifold 23, fuel oil intoTotal 24 pipe of oil provides fuel for device, and reducing master is controlled by burner fuel oil control valve 26, burner gas control valve 27Axis dram temperature.14 outer combustion zone of reducing main shaft rotating cylinder is divided into 3 heating zones, and it is 3 that 6 mixed oil-gas burners 25, which are divided,Group, 2/group, i.e. 3 heating zones.Temperature sensor 29 in furnace that there are one each burners, totally 3, by every area's middle burnerHeating furnace inner roller lower part is inserted into opposite side.
Above-mentioned all components are installed concentratedly using whole on the sled pedestal 22 of bottom.DCS intelligence centralized control system 28, utilizes pressureThe intelligence sensors such as power, temperature, flow, liquid level, realization device run intelligent data management, can realize temperature, pressure, frequency conversionThe functions such as display, storage, the output of the equipment operating datas such as device output valve, fault alarm.Intelligent PID autonomous operation, adjusting, controlSystem realizes intelligent operational management.