CN201462858U - Environmental-friendly oil-refined and dried three sludge energy recovery device - Google Patents

Abstract

The utility model relates to an environmental-friendly oil-refined and dried three sludge energy recovery device. A material storage bin adopts a vertical barrel structure, the upper part thereof is inverted U-shaped, and the lower par thereof is in the shape of a cone; a feed opening is formed at the top end of the vertical barrel body; a discharge opening is formed at the top end of the vertical barrel body on the side of the feed opening and communicated with the upper end of a boiler exhaust air tube through a discharge tube with a valve; an industrial air bus is connected to the bottom end of the cone at the lower part of the material storage bin through a homogenization air pipeline with a valve; the industrial air bus is connected to the middle part of the material storage bin through a sweeping air line with a valve; a powder exhaust fan is positioned at the lower end of the boiler exhaust air tube and communicated with the discharge tube of the material storage bin through the boiler exhaust air tube; the feed opening of the material storage bin is communicated with the upper end of the boiler exhaust air tube through a feed opening suction air line; a cover plate which is fastened by a bolt and convenient to be dismounted and has excellent sealing performance is arranged at a charging opening; and the powder exhaust fan is connected with a boiler primary air tube. The device has the advantages of less investment, small volume, low operating cost, complete incineration, simple and convenient operation, and no secondary pollution and public pollution.

Description

Environment-friendly type oil refining mummification " three mud " energy recycle device

Technical field

The utility model relates to a kind of at producing a large amount of oily sludges, environment-friendly type oil refining mummification " three mud " energy recycle device that carries out nuisancelessization processing in the processes such as oil extraction, oil-gas gathering and transportation and sewage from oil refinery processing.

Background technology

" three mud " is meant that the petrochemical enterprise sewage-farm is in the process of handling oily waste water, the a large amount of oily sludges that produce, its main component comprises bed mud, the scum silica frost of floatation process facility generation and the residual active sludge of biochemical system discharging that oil removal sand setting facilities such as oil interceptor, regulating reservoir produce, and has characteristics such as generation is big, oil content is high, mink cell focus component height, the comprehensive utilization mode is few, intractability is big.

Remove in " three mud " and contain a large amount of residual oils and also contain heavy metals such as the noxious material of foul smelling smells such as benzene series thing, phenols, anthracene, pyrene and a large amount of pathogen, parasite, copper, zinc, chromium, mercury, the poisonous and harmful substance of difficult degradations such as salt and Polychlorinated biphenyls, dioxin, radioactive nucleus element." three mud " is bulky, if do not handled directly discharging, not only takies a large amount of arable lands, and surrounding soil, water body, air are polluted, and cause the waste of resource.

The method of handling " three mud " now both at home and abroad generally has: burning method, biological treatment, hot washing method, solvent extraction, chemical demulsification method, solid-liquid isolation method etc.Although the method for handling is a lot, all do not promote because of shortcomings such as specific aim is not strong, processing cost height.The scholar is at the focus mostly on recovery of in greasy filth crude oil of the research of " three mud " in recent years, less about remaining solid greasy filth purified treatment aspect.The method of most of oilfield treatments " three mud " is all only for reclaiming the crude oil in the greasy filth, and remaining solid is deposited in the well site or the landfill of digging pit.This way not only can not effectively be handled greasy filth, and to the well site and on every side the soil in farmland caused very big pollution.At present, oil sludge and sand is classified as hazardous waste by country.The processing of " three mud " is a great problem of puzzlement petroleum and petrochemical industry always.

At present, " three mud " that domestic most of Petrochemical Enterprises produce all is to adopt usual manners such as centrifugal dehydration, filter-press dehydration to handle, and adopts modes such as accumulation, the landfill of digging pit to handle to " three mud " after dehydration great majority.Though this way is simple to operate, adaptability is strong, and investment and disposal cost are low, fail thoroughly to handle " three mud ", still can occupy a large amount of soils, and underground water and surrounding enviroment are produced secondary pollution.Current, refinery " three mud " harmless treatment process substantially all is concentrated → dehydration → mummification → burning in the world, final " three mud " innoxious, the recycling treatment that realizes.And " three mud " incinerator that is provided with separately exists that investment is big, complicated operation, does not match, needs auxiliary fuel, low combustion temperature to produce problems such as noxious material contaminated environment with existing process system.Part enterprise utilizes burners such as existing Industrial Boiler, CFBB, directly mix burning after " three mud " after the mummification and coal-fired the mixing, though this method has realized " three mud " energy and has reclaimed, but mummification " three mud " directly mixes with fire coal and can pollute surrounding enviroment, also can cause pulverized coal preparation system to pollute problems such as accidents caused for coal-burning boiler.

The utility model content

The purpose of this utility model is under the situation that does not increase burners such as any incinerator, Industrial Boiler, utilize existing burner, provide cover small investment, a volume little, need not combustion adjuvant, controlled, the totally enclosed mummification of the course of work " three mud " energy recycle device of addition, realize the burning of mummification " three mud " cleaning, eliminate the pollution of mummification " three mud ", reclaim the energy in " three mud " environment.

Environment-friendly type oil refining mummification described in the utility model " three mud " energy recycle device: constitute by storage bin, Powder discharging fan and DCS automatic control system; Storage bin is the vertical barrel structure, top is " U " word, the bottom is cone shape, charging aperture is located at the top of upright cylindrical shell, discharging opening is located at the top of the upright cylindrical shell of charging aperture side, be communicated with by the weary gas airduct of discharge nozzle that has valve and boiler upper end, the cone bottom, bottom of storage bin is connected with industrial wind bus by the homogenizing airduct line that has valve, the storage bin middle part is connected with industrial wind bus by the purging wind line that has valve, Powder discharging fan is positioned at the weary gas airduct lower end of boiler, be communicated with the discharge nozzle of storage bin by the weary gas airduct of boiler, the charging aperture of storage bin is communicated with the weary gas airduct of boiler upper end by charging aperture suction wind line, charging door is provided with and bolted is housed is convenient to dismantle sealing property cover plate preferably, airduct of Powder discharging fan and boiler is connected, the DCS automatic control system is by data collecting system, control system, the burning regulating system constitutes, be connected with the data collecting system of temperature sensor by the pressure sensor of storage bin, by the control system of DCS automatic control system with the DCS automatic control system with the discharging opening dress, burn regulating system and air intake valve, the discharging valve connects.

The technical scheme that the present invention takes is: with pretreated mummification powdery " three mud " by the charging door storage bin of packing into, sealed feed inlet; 0.1Mpa～0.6Mpa, 80 ℃, feed compressed air, with " three mud " powder atomizing in the feed bin; Utilize Powder discharging fan inlet 5000Pa～8000Pa negative pressure swabbing action again, the wind and the powder mixture material of atomizing are sent into the Powder discharging fan impeller, boosting becomes wind one time, fully burns in coal dust enters burner hearth about 1100 ℃.

The present invention compared with prior art has following advantage: (1) has effectively utilized existing burner, auxiliary device, has sent air inducing equipment and system, only after increasing by cover environment-friendly type mummification " three a mud " storage bin, can realize that mummification " three mud " burns fully, do not produce the nuisanceless processing target of secondary pollution, have small investment, volume is little, operating cost is low, burning is complete, advantages of simple operation.(2) " three mud " atomizing that utilizes the suction of malleation fluidisation and negative pressure to combine adhesiveness is strong, as to have foul odour is sent into burner hearth through Powder discharging fan and is burned, and realizes mixing the totally-enclosed of burning process, does not pollute surrounding enviroment, causes secondary pollution; (3) need not to add combustion adjuvant in the burning process, operating cost is low; (4) mummification " three mud " addition and the course of work are controlled.

The effect of invention

The invention provides the existing burner of a kind of utilization, be equipped with a cover small investment, volume is little, operating cost is low, need not combustion adjuvant, burn fully, addition is controlled, the totally enclosed mummification of the course of work " three mud " energy recycle device, it is that the disposal facility that the core method of disposal exists is invested big that this device has successfully overcome current the burning with mummification " three mud ", the disposal cost height, organic matter produces extremely toxic substances such as dioxin and to problems such as ambient atmosphere pollute in burning process, quality of fly ash after the burning meets the GB1596-2005 requirement, and Air Pollutant Emission meets the GB-13223-2003 requirement during burning.

Description of drawings

Fig. 1 environment-friendly type oil refining mummification " three mud " energy recycle device schematic diagram;

Among the figure: 1, industrial wind bus 2, homogenizing airduct line 3, purging wind line 4, charging door 5, charging aperture suction wind line 6, discharge nozzle 7, storage bin 8, the weary gas airduct 9 of boiler, mill exhauster

The specific embodiment

Environment-friendly type oil refining mummification described in the utility model " three mud " energy recycle device is made of storage bin 7, Powder discharging fan 9 and DCS automatic control system; Storage bin 7 is the vertical barrel structure, top is " U " word, the bottom is cone shape, charging aperture is located at the top of upright cylindrical shell, discharging opening is located at the top of the upright cylindrical shell of charging aperture side, be communicated with by weary gas airduct 8 upper ends of discharge nozzle 6 that has valve and boiler, the cone bottom, bottom of storage bin 7 is connected with industrial wind bus 1 by the homogenizing airduct line 2 that has valve, storage bin 7 middle parts are connected with industrial wind bus 1 by the purging wind line 3 that has valve, Powder discharging fan 9 is positioned at weary gas airduct 8 lower ends of boiler, be communicated with the discharge nozzle 6 of storage bin 7 by the weary gas airduct 8 of boiler, the charging aperture of storage bin 7 is communicated with weary gas airduct 8 upper ends of boiler by charging aperture suction wind line 5, charging door is provided with and bolted is housed is convenient to dismantle sealing property cover plate preferably, airduct of Powder discharging fan 9 and boiler is connected, the DCS automatic control system is by data collecting system, control system, the burning regulating system constitutes, be connected with the data collecting system of temperature sensor by the pressure sensor of storage bin, by the control system of DCS automatic control system with the DCS automatic control system with the discharging opening dress, burn regulating system and air intake valve, the discharging valve connects.

Automatic control system: take whole atomizing, burning process are controlled, have three subsystems to constitute:

1. data collecting system.The data of gathering mainly contain temperature, outlet pressure, outlet temperature etc. in intake air temperature, admission pressure, the storage tank, gather on the intelligent object with these data integration sensors, be sent in real time in the boiler DCS system by application program, for control system and other regulating systems provide data.

2. control system.This system controls " three mud " and mixes burning speed etc. by to homogenizing blast, the regulation and control of outlet blast.

3. CIU.This system effectively by boiler DCS system carry out, not only guaranteed the safe operation of whole system, and saved investment greatly.

Claims (2)

1. an environment-friendly type oil refining mummification " three mud " energy recycle device is made of storage bin, Powder discharging fan and DCS automatic control system; It is characterized in that: storage bin is the vertical barrel structure, top is down " U " word, the bottom is cone shape, charging aperture is located at the top of upright cylindrical shell, discharging opening is located at the top of the upright cylindrical shell of charging aperture side, be communicated with by the weary gas airduct of discharge nozzle that has valve and boiler upper end, the cone bottom, bottom of storage bin is connected with industrial wind bus by the homogenizing airduct line that has valve, the storage bin middle part is connected with industrial wind bus by the purging wind line that has valve, Powder discharging fan is positioned at the weary gas airduct lower end of boiler, be communicated with the discharge nozzle of storage bin by the weary gas airduct of boiler, the charging aperture of storage bin is communicated with the weary gas airduct of boiler upper end by charging aperture suction wind line, charging door is provided with and bolted is housed is convenient to dismantle sealing property cover plate preferably, and airduct of Powder discharging fan and boiler is connected.

2. a kind of environment-friendly type oil refining mummification according to claim 1 " three mud " energy recycle device, the DCS automatic control system is made of data collecting system, control system, burning regulating system, it is characterized in that: the pressure sensor by storage bin and discharging opening dress is connected with the data collecting system of temperature sensor with the DCS automatic control system, is connected with air intake valve, discharging valve by control system, the burning regulating system of DCS automatic control system.