CN111762994A - Oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment - Google Patents
Oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment Download PDFInfo
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- CN111762994A CN111762994A CN202010546203.6A CN202010546203A CN111762994A CN 111762994 A CN111762994 A CN 111762994A CN 202010546203 A CN202010546203 A CN 202010546203A CN 111762994 A CN111762994 A CN 111762994A
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- 239000007787 solid Substances 0.000 title claims abstract description 91
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- 239000003921 oil Substances 0.000 claims abstract description 89
- 238000002309 gasification Methods 0.000 claims abstract description 63
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- 238000011084 recovery Methods 0.000 claims description 14
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Classifications
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/127—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/125—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Abstract
The invention relates to oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment which comprises a homogeneous heating energy storage tank, a three-phase separation system, a mixing system, pyrolysis gasification treatment equipment and a sewage treatment system, wherein the homogeneous heating energy storage tank is used for carrying out homogeneous fluidization treatment on oil sludge waste materials, and the three-phase separation system is used for carrying out oil sludge separation treatment on the oil sludge waste materials to obtain waste oil, waste water and waste solid; the system also comprises a separation mechanism, wherein the separation mechanism is used for treating waste oil generated by the three-phase separation system and forming recoverable oil and waste water, and the sewage treatment system is used for treating the waste water and forming solid impurities, dischargeable water and recoverable oil; the pyrolysis and gasification treatment equipment is used for carrying out pyrolysis and gasification treatment on waste solid and solid impurities. The invention can carry out three-phase separation on the oil sludge, and carry out innocent treatment on the obtained waste oil, waste water and waste solid, thereby achieving the purposes of recycling and meeting the requirements of safe and qualified discharge standards.
Description
Technical Field
The invention relates to oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment.
Background
At present, the process for treating the oil sludge is only limited to recovering the reclaimed oil from the oil sludge, residual harmful substance residues are not further treated and recovered, generated harmful gas, liquid and solid are not further treated, and environmental pollution and unqualified liquid-solid gas discharge exist. That is to say, no equipment application aiming at the reduction and harmless treatment of the oil sludge exists at present.
Disclosure of Invention
In view of the above problems in the prior art, the main object of the present invention is to provide an apparatus for pyrolysis of oil sludge and harmless treatment of liquid-solid gas reduction, which can perform three-phase separation of oil sludge and perform harmless treatment of the obtained waste oil, waste water and waste solid, thereby achieving the purpose of recycling and meeting the requirements of discharge standards of safety.
The technical scheme of the invention is as follows:
the utility model provides an fatlute pyrolysis and harmless treatment facility of liquid solid gaseous decrement, includes homogeneity heating energy storage tank, three-phase separation system, compounding system, pyrolysis gasification treatment facility and sewage treatment system, wherein:
the three-phase separation system is respectively connected with the homogeneous heating energy storage tank, the mixing system and the sewage treatment system, the homogeneous heating energy storage tank is used for carrying out homogeneous fluidization treatment on oil sludge waste to be treated and conveying the oil sludge waste to the three-phase separation system, the three-phase separation system is used for carrying out oil sludge separation treatment on the oil sludge waste after the homogeneous fluidization treatment, respectively obtaining waste oil, waste water and waste solid, and simultaneously conveying the waste water to the sewage treatment system and conveying the waste solid to the mixing system;
the separation mechanism is respectively connected with the three-phase separation system and the sewage treatment system, the separation mechanism is used for treating waste oil generated by the three-phase separation system and forming recoverable oil and waste water, meanwhile, the separation mechanism conveys the waste water generated by the separation mechanism to the sewage treatment system, and the sewage treatment system is used for treating the waste water and forming solid impurities, dischargeable water and recoverable oil;
the compounding system still with pyrolysis gasification treatment facility and sewage treatment system links to each other, the compounding system is used for right the useless solid that three-phase separation system produced with the solid impurity that sewage treatment system produced mixes and carries extremely pyrolysis gasification treatment facility, pyrolysis gasification treatment facility is used for right useless solid and solid impurity carry out pyrolysis gasification and handle and form low harmful gas and solid waste residue.
And a feed inlet is formed in the homogeneous heating energy storage tank, and oil sludge waste to be treated is conveyed to the homogeneous heating energy storage tank through the feed inlet.
The three-phase separation system is a horizontal spiral centrifugal separation system.
The device is characterized by further comprising gas harmless treatment equipment, wherein the gas harmless treatment equipment is connected with the pyrolysis gasification system and used for treating the low harmful gas generated by the pyrolysis gasification treatment equipment and forming gas which can reach the standard to be discharged outwards.
The gas innocent treatment equipment comprises a first box body, wherein a quenching treatment component, a dry deacidification treatment component, a dedusting treatment component, a wet deacidification treatment component, an activated carbon adsorption treatment component and a whitening treatment component are arranged in the first box body, the quenching treatment component is used for removing dioxin in the low harmful gas, the dry deacidification treatment component is used for removing acidic harmful gas, the wet deacidification treatment component is used for removing acidic harmful gas, the dedusting treatment component is used for removing dust in the low harmful gas, the activated carbon adsorption component is used for carrying out adsorption treatment on toxic harmful gas in the low harmful gas, and the whitening treatment component is used for carrying out whitening treatment on the low harmful gas.
The waste heat recovery system is respectively connected with the pyrolysis gasification treatment equipment and the gas innocent treatment equipment and used for recycling waste heat generated by the pyrolysis gasification treatment equipment and the gas innocent treatment equipment.
The waste heat recovery system comprises a heat exchanger, and the heat exchanger is respectively communicated with the pyrolysis and gasification treatment equipment and the first box body and is used for recycling waste heat generated by the pyrolysis and gasification treatment equipment and the first box body.
Sewage treatment system includes the second box, set gradually in the second box and take off mud subassembly, deoiling and take off the sediment processing subassembly, filtering component and biological oxidative decomposition processing subassembly, it is used for taking off mud in the waste water to take off mud to handle to take off mud, then gets into through the waste water behind the desliming processing deoiling and take off the sediment processing subassembly, deoiling and taking off the sediment processing subassembly carries out deoiling and takes off the sediment processing to waste water, then passes through in proper order filtering component and biological oxidative decomposition processing subassembly form recoverable oil and retrieve and can discharge water and discharge.
The sewage treatment system carries out sewage treatment on the wastewater to form solid impurities, and the solid impurities are conveyed to the mixing system through a conveying pipeline to be mixed.
The solid waste slag treatment device comprises a pyrolysis gasification treatment device, and is characterized by further comprising a curing treatment device, wherein the curing treatment device is communicated with the pyrolysis gasification treatment device, and is used for treating solid waste slag formed by the pyrolysis gasification treatment device and forming a solid block for recycling.
The invention has the following advantages and beneficial effects: the oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment comprises a homogeneous heating energy storage tank, a three-phase separation system, a mixing system, pyrolysis gasification treatment equipment and a sewage treatment system, wherein the three-phase separation system is respectively connected with the homogeneous heating energy storage tank, the mixing system and the sewage treatment system; the separation mechanism is respectively connected with the three-phase separation system and the sewage treatment system, the separation mechanism is used for treating waste oil generated by the three-phase separation system and forming recoverable oil and waste water, meanwhile, the separation mechanism conveys the waste water generated by the separation mechanism to the sewage treatment system, and the sewage treatment system is used for treating the waste water and forming solid impurities, dischargeable water and recoverable oil; the mixing system is also connected with the pyrolysis gasification treatment equipment and the sewage treatment system, the mixing system is used for mixing solid waste generated by the three-phase separation system and solid impurities generated by the sewage treatment system and conveying the mixture to the pyrolysis gasification treatment equipment, and the pyrolysis gasification treatment equipment is used for carrying out pyrolysis gasification treatment on the solid waste and the solid impurities and forming low-harmful gas and solid waste residues; through the design, three-phase separation can be carried out on the oil sludge, and the obtained waste oil, waste water and waste solid are subjected to harmless treatment, so that the purposes of recycling and safe and qualified discharge standard requirements are achieved; meanwhile, the oil sludge is homogenized and fluidized firstly, then three-phase separation is carried out, and then harmless, reduction and recycling treatment is carried out item by item, so that complete solid, liquid, oil and gas harmless treatment is achieved, and the requirements of recycling and safe qualified discharge standards are met.
Drawings
Fig. 1 is a schematic block diagram of an apparatus for pyrolysis of oil sludge and reduction of liquid-solid gas and harmless treatment according to an embodiment of the present invention.
Fig. 2 is a schematic block diagram of a sewage treatment system in the oil sludge pyrolysis and liquid-solid gas reduction harmless treatment apparatus according to the embodiment of the present invention.
Fig. 3 is a schematic block diagram of a gas innocent treatment apparatus in an oil sludge pyrolysis and liquid-solid gas reduction innocent treatment apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The invention will be further described with reference to the drawings and specific examples.
As shown in fig. 1 to 3: the oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment provided by the embodiment of the invention comprises a homogeneous heating energy storage tank 100, a three-phase separation system 200, a mixing system 300, pyrolysis gasification treatment equipment 400 and a sewage treatment system 500, wherein:
the three-phase separation system 200 is respectively connected with the homogeneous heating energy storage tank 100, the mixing system 300 and the sewage treatment system 500, the homogeneous heating energy storage tank 100 is used for performing homogeneous fluidization treatment on oil sludge waste to be treated and conveying the oil sludge waste to the three-phase separation system 200, the three-phase separation system 200 is used for performing oil sludge separation treatment on the oil sludge waste after the homogeneous fluidization treatment, respectively obtaining waste oil, waste water and waste solid, and simultaneously conveying the waste water to the sewage treatment system 500 and conveying the waste solid to the mixing system 300;
the separation mechanism 600 is respectively connected with the three-phase separation system 200 and the sewage treatment system 500, the separation mechanism 600 is used for treating waste oil generated by the three-phase separation system 200 and forming recoverable oil and waste water, meanwhile, the separation mechanism 600 is used for conveying the waste water generated by the separation mechanism to the sewage treatment system 500, and the sewage treatment system 500 is used for treating the waste water and forming solid impurities, dischargeable water and recoverable oil;
the mixing system 300 is further connected with the pyrolysis and gasification treatment equipment 400 and the sewage treatment system 500, the mixing system 300 is used for mixing waste solid generated by the three-phase separation system 200 and solid impurities generated by the sewage treatment system 500 and conveying the mixture to the pyrolysis and gasification treatment equipment 400, and the pyrolysis and gasification treatment equipment 400 is used for carrying out pyrolysis and gasification treatment on the waste solid and the solid impurities and forming low-harmful gas and solid waste residues.
The homogeneous heating energy storage tank 100 is provided with a feed inlet (not shown in the figure), and oil sludge waste to be treated is conveyed to the homogeneous heating energy storage tank 100 through the feed inlet.
The three-phase separation system 200 is a horizontal screw centrifugal separation system.
The equipment for pyrolysis of oil sludge and reduction and harmless treatment of liquid and solid gases provided by the embodiment of the invention comprises a first box 701, wherein a quenching treatment component 702, a dry deacidification treatment component 703, a dedusting treatment component 704, a wet deacidification treatment component 705, an activated carbon adsorption treatment component 706 and a whitening treatment component 707 are arranged in the first box 701, wherein the quenching treatment component 702 is used for removing dioxin in the low harmful gases, the dry deacidification treatment component 703 can remove acidic harmful gases (i.e. flue gases) through slaked lime, the wet deacidification treatment component 705 can remove acidic harmful gases (i.e. flue gases) through alkaline water, the dedusting treatment component 704 removes dust in the low harmful gases, and the activated carbon adsorption component 706 is used for adsorption treatment of toxic harmful gases in the low harmful gases, the de-whitening treatment component 707 is used for de-whitening the low harmful gas.
The oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment provided by the embodiment of the invention further comprises a waste heat recovery system 800, wherein the waste heat recovery system 800 is respectively connected with the pyrolysis gasification treatment equipment 400 and the gas harmless treatment equipment 700 and is used for recovering and reusing waste heat generated by the pyrolysis gasification treatment equipment 400 and the gas harmless treatment equipment 700. Through the design, namely the waste heat recovery system 800, waste heat generated by the pyrolysis gasification treatment equipment 400 and the gas innocent treatment equipment 700 can be recovered and reused, so that the purpose of recovering and reusing the waste heat is achieved, namely the purpose of saving energy and reducing emission is achieved, the waste heat is reasonably utilized, and resource waste is avoided.
In the oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment provided by the embodiment of the present invention, the waste heat recovery system 800 includes a heat exchanger, and the heat exchanger is respectively communicated with the pyrolysis gasification treatment equipment 400 and the first tank 701, and is configured to recover and reuse waste heat generated by the pyrolysis gasification treatment equipment and the first tank 701.
According to the oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment provided by the embodiment of the invention, the sewage treatment system 500 comprises a second box 501, a desliming assembly 502, a deoiling and desliming treatment assembly 503, a filtering assembly 504 and a biological oxidation decomposition treatment assembly 505 are sequentially arranged in the second box 501, the desliming assembly 502 is used for desliming sludge in wastewater, the wastewater after the desliming treatment enters the deoiling and desliming treatment assembly 503, the deoiling and desliming treatment assembly 503 is used for performing the deoiling and desliming treatment on the wastewater, and then the wastewater sequentially passes through the filtering assembly 504 and the biological oxidation decomposition treatment assembly 505 to form recoverable oil for recovering and discharging water.
In the oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment provided by the embodiment of the invention, the sewage treatment system 500 is used for carrying out sewage treatment on wastewater to form solid impurities, and the solid impurities are conveyed to the mixing system 300 through a conveying pipeline to be mixed.
The oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment provided by the embodiment of the invention further comprises a solidification treatment equipment 900, wherein the solidification treatment equipment 900 is communicated with the pyrolysis gasification treatment equipment 400, the solidification treatment equipment 900 is used for treating solid waste formed by the pyrolysis gasification treatment equipment 400 and forming solid blocks for reuse, and meanwhile, in order to reduce the humidity of a mixture in the pyrolysis gasification treatment equipment 400, the pyrolysis gasification treatment equipment 400 conveys a small part of solid waste to the mixing system 300 through a conveying pipeline for mixing treatment again.
According to the oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment provided by the embodiment of the invention, the oil sludge is firstly subjected to homogeneous fluidization treatment through the homogeneous heating energy storage tank 100, then three-phase separation is carried out through the three-phase separation system 100, the separated heavy oil is recycled, solid pyrolysis harmless curing treatment is carried out, tail gas treatment can reach the standard discharge, and the sewage is treated by the sewage treatment system 500 to reach the oil field reinjection standard; the invention completely carries out harmless treatment on solid, liquid, gas and oil, and meets the requirements of recycling and safe qualified discharge standards. The prior art does not relate to the harmless treatment of all solid, liquid, gas and oil, but only partially carries out the harmless treatment and recovery, such as the recovery of waste oil. Emissions still do not meet the standards. Or only one of the waste water and the waste water is treated and recovered, so that the real comprehensive harmless treatment and the recovery of harmful substances are not achieved, and the emission substances still can not reach the environmental protection standard.
The oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment provided by the embodiment of the invention has the following specific treatment process flow:
the oil sludge waste is added into a homogenizing heating energy storage tank 100, is subjected to homogenizing fluidization treatment through the homogenizing heating energy storage tank 100, then enters a three-phase separation system 200 (namely a horizontal screw centrifugal three-phase separation system), and controls the whole oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment through a PLC (programmable logic controller) electric control system, and the oil sludge treatment system can also be provided with a power system and a gas combustion-supporting system (the combustion-supporting function is optional), and the oil sludge is separated into three parts through the three-phase separation system 200: waste oil, waste water, and waste solids. Wherein, waste oil realizes through separating mechanism 600 that the sump oil is handled and forms recoverable oil and waste water, but waste water that separating mechanism 600 produced and the waste water that three-phase separation system 200 produced are handled by sewage treatment system 500 jointly, then discharge recoverable oil, can discharge water and solid impurity, and above-mentioned solid impurity gets into compounding system 300 with the useless solid matter that three-phase separation system 200 separated and mixes, then gets into pyrolysis gasification treatment facility 400, carries out drying, pyrolysis, gasification and burning under the condition of oxygen-free or oxygen deficiency in pyrolysis gasification treatment facility 400. The waste slag is separated into two parts of solid waste slag and low harmful gas through the pyrolysis gasification treatment equipment 400. The solid waste is solidified by the solidification treatment equipment 900 to become recyclable materials, wherein a small part of the solid waste returns to the pyrolysis gasification treatment equipment 400, so that the humidity of the mixture is reduced again, and the incineration, pyrolysis and gasification are facilitated; meanwhile, low harmful gas enters the gas innocent treatment equipment 700, and is subjected to innocent treatment in various modes in the gas innocent treatment equipment 700 to reach the gas emission standard. In addition, the waste heat in the whole treatment process is recycled through the heat exchanger.
According to the oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment provided by the embodiment of the invention, the specific mode of waste oil treatment is as follows:
the waste oil is separated by the three-phase separation system 200 and then enters the separation mechanism 600, the separation mechanism 600 may be a lamination separator (not limited to lamination separator, etc.), the waste oil is separated by the separation mechanism 600 into recoverable oil and a part of waste water, and the recoverable oil enters the storage tank area for recycling, or is used as power oil of the whole system (i.e. oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment), and a part of waste water is introduced into the sewage treatment system 500 for treatment.
The oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment provided by the embodiment of the invention has the following specific wastewater treatment modes:
after being separated by the three-phase separation system 200, the wastewater enters a wastewater treatment system 500, which comprises (without limitation to the sequence): a desliming component (the desliming component comprises but is not limited to stacked spiral sludge dewatering, a sludge concentrator, a filter pressing device and the like) 502, a deoiling and desliming treatment component (the deoiling and degreasing treatment component comprises but is not limited to air flotation oil removing equipment, oil-water separation equipment, ultrasonic oil removing equipment, extraction oil removing equipment, a centrifuge, suction filtration equipment, vacuum filtration and filter pressing equipment and the like) 503, a filtering component (the filtering component comprises but is not limited to a sedimentation centrifuge, a filter press, an air flotation machine, a magnetic separator and the like) 504, and a biological oxidative decomposition treatment component (the biological oxidative decomposition treatment component comprises but is not limited to a method adopting the following methods of sedimentation treatment, an activated sludge method, a biofilm method and an immobilized cell method) 505. The wastewater is finally separated into dischargeable water (namely, standard water), recoverable oil and a small amount of solid impurities through the treatment mode. The dischargeable water is discharged and the recoverable oil is stored for reprocessing, while a small amount of solid impurities is delivered to the blending system 300 for blending and reuse.
In the oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment provided by the embodiment of the invention, the specific mode of treating solid waste (namely the general name of waste solid and solid impurities) is as follows:
the waste solid is separated by the three-phase separation system 200, enters the mixing system 300 together with solid impurities conveyed by the sewage treatment system 500, is mixed in the mixing system 300, enters the pyrolysis and gasification treatment equipment 400, and is pyrolyzed and gasified in the pyrolysis and gasification treatment equipment 400; wherein the pyrolysis gasification is: the solid waste is completely treated and fully recovered under the condition of no oxygen or lack of oxygen, and the method comprises the following steps: drying, pyrolyzing, gasifying and combusting; the first three processes are carried out in a first combustion chamber, and combustion is carried out in a second combustion chamber; the method is characterized in that: the gas generated by pyrolysis is combusted, the amount of pollution-causing substances contained in the gas is greatly reduced, and the amount of waste gas is correspondingly reduced.
According to the oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment provided by the embodiment of the invention, the solid waste is pyrolyzed and gasified to generate two parts of substances, namely solid waste residues and low harmful gas (namely reduction gas). The solid waste is processed by the solidification equipment 900 to form solid blocks for reuse, wherein a small part of the solid waste is conveyed back to the pyrolysis and gasification treatment equipment 400, so that the humidity of the mixture in the pyrolysis and gasification treatment equipment 400 is reduced, and the incineration, pyrolysis and gasification are facilitated; another part of the pyrolysis and gasification substances are low-harmful gases, and enter the gas harmless treatment equipment 700 for treatment, and the discharged gases pass through a quenching treatment component 702, a dry deacidification component 703, a dedusting treatment component 704, a wet deacidification treatment component 705, an activated carbon adsorption treatment component 706 and a whitening treatment component 707 (not limited to these components, and a reasonable part or all of the treatment components can be selected according to specific emissions) in the gas harmless treatment equipment 700, so that the discharged gases are standard-reaching discharge gases; in addition, the pyrolysis and gasification treatment device 400 and the gas innocent treatment device 700 generate a large amount of waste heat in the treatment process, and the waste heat can be recycled and reused through a waste heat recovery system.
The oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment provided by the embodiment of the invention further comprises a control system, wherein the control system is formed by a PLC intelligent control electronic electromechanical instrument control system, and a power system provides an operation power source.
The equipment for pyrolysis of oil sludge and reduction of liquid-solid gas and harmless treatment provided by the embodiment of the invention further comprises a power system, wherein the power system uses diesel oil or heavy oil (recoverable oil) recovered from oil sludge as fuel, and provides a power source when the whole system cannot maintain self combustion when the calorific value of oil sludge waste is low.
The oil sludge pyrolysis and liquid-solid gas reduction harmless treatment equipment provided by the embodiment of the invention can also comprise a gas combustion-supporting system, wherein the gas combustion-supporting system can be used as an auxiliary or main power source and is used for igniting and opening a furnace and assisting material incineration (when the heat value of the material (namely the oil sludge waste material) is low and the self combustion cannot be maintained), and natural gas fuel and air are mixed in a combustor. The burner can carry out automatic ignition under the control of the program controller. The burner has the functions of automatic ignition, fire extinguishing protection, fault alarm and the like. The burner can manually adjust the air flow to change the flame size; meanwhile, a pressure regulating valve is arranged in the combustor to ensure the stable air pressure at the outlet; meanwhile, the gas quantity can be adjusted by adjusting the gas supply pressure.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A fatlute pyrolysis and liquid-solid gas decrement innocent treatment equipment is characterized in that: including homogeneity heating energy storage jar, three-phase separation system, compounding system, pyrolysis gasification treatment facility and sewage treatment system, wherein:
the three-phase separation system is respectively connected with the homogeneous heating energy storage tank, the mixing system and the sewage treatment system, the homogeneous heating energy storage tank is used for carrying out homogeneous fluidization treatment on oil sludge waste to be treated and conveying the oil sludge waste to the three-phase separation system, the three-phase separation system is used for carrying out oil sludge separation treatment on the oil sludge waste after the homogeneous fluidization treatment, respectively obtaining waste oil, waste water and waste solid, and simultaneously conveying the waste water to the sewage treatment system and conveying the waste solid to the mixing system;
the separation mechanism is respectively connected with the three-phase separation system and the sewage treatment system, the separation mechanism is used for treating waste oil generated by the three-phase separation system and forming recoverable oil and waste water, meanwhile, the separation mechanism conveys the waste water generated by the separation mechanism to the sewage treatment system, and the sewage treatment system is used for treating the waste water and forming solid impurities, dischargeable water and recoverable oil;
the compounding system still with pyrolysis gasification treatment facility and sewage treatment system links to each other, the compounding system is used for right the useless solid that three-phase separation system produced with the solid impurity that sewage treatment system produced mixes and carries extremely pyrolysis gasification treatment facility, pyrolysis gasification treatment facility is used for right useless solid and solid impurity carry out pyrolysis gasification and handle and form low harmful gas and solid waste residue.
2. The apparatus according to claim 1, wherein the homogeneous heating energy storage tank is provided with a feed port, and sludge waste to be treated is conveyed to the homogeneous heating energy storage tank through the feed port.
3. The apparatus for pyrolysis and reduction of liquid-solid gases and harmless treatment of oil sludge according to claim 1, wherein the three-phase separation system is a horizontal screw centrifugal separation system.
4. The equipment for pyrolysis and liquid-solid gas decrement harmless treatment of oil sludge according to any one of claims 1 to 3, further comprising a gas harmless treatment equipment, wherein the gas harmless treatment equipment is connected with the pyrolysis and gasification system and is used for treating the low harmful gas generated by the pyrolysis and gasification equipment and forming a qualified gas for outward discharge.
5. The apparatus for pyrolysis and liquid-solid gas reduction and harmless treatment of oil sludge according to claim 4, it is characterized in that the gas innocent treatment equipment comprises a first box body, wherein a quenching treatment component, a dry type deacidification treatment component, a dedusting treatment component, a wet type deacidification treatment component, an active carbon adsorption treatment component and a whitening treatment component are arranged in the first box body, wherein the quenching treatment component is used for removing dioxin in the low harmful gas, the dry deacidification treatment component is used for removing acid harmful gas, the wet type deacidification treatment component is used for removing acid harmful gases, the dust removal treatment component is used for removing dust in the low harmful gases, the activated carbon adsorption component is used for adsorbing and treating toxic and harmful gases in the low-harmful gases, and the de-whitening treatment component is used for de-whitening the low-harmful gases.
6. The equipment for pyrolysis and liquid-solid gas decrement harmless treatment of oil sludge according to claim 5, further comprising a waste heat recovery system, wherein the waste heat recovery system is respectively connected with the pyrolysis gasification treatment equipment and the gas harmless treatment equipment and is used for recovering and reusing waste heat generated by the pyrolysis gasification treatment equipment and the gas harmless treatment equipment.
7. The equipment for pyrolysis and reduction and harmless treatment of liquid and solid gases of oil sludge according to claim 6, wherein the waste heat recovery system comprises a heat exchanger, and the heat exchanger is respectively communicated with the pyrolysis and gasification treatment equipment and the first tank body and is used for recovering and reusing waste heat generated by the pyrolysis and gasification treatment equipment and the first tank body.
8. The apparatus according to claim 1, wherein the sewage treatment system comprises a second tank, and a desliming unit, a deoiling and desliming unit, a filtering unit and a biological oxidative decomposition unit are sequentially disposed in the second tank, the desliming unit is configured to desliming sludge in the wastewater, and then the deslimed wastewater enters the deoiling and desliming unit, and the deoiling and desliming unit is configured to deoil and deslim the wastewater, and then sequentially pass through the filtering unit and the biological oxidative decomposition unit to form recoverable oil for recovery and discharge of water.
9. The apparatus according to claim 1, wherein the sewage treatment system is configured to convey solid impurities formed by sewage treatment of wastewater to the mixing system through a conveying pipeline for mixing treatment.
10. The equipment for pyrolysis and liquid-solid gas reduction and harmless treatment of oil sludge according to claim 1, further comprising a solidification treatment equipment, wherein the solidification treatment equipment is communicated with the pyrolysis and gasification treatment equipment, and is used for treating solid waste slag formed by the pyrolysis and gasification treatment equipment and forming solid blocks for reuse.
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| CN112723698A (en) * | 2020-12-04 | 2021-04-30 | 陕西欧菲德环保科技有限公司 | Harmless treatment system and treatment process for tank cleaning oil sludge |
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Effective date of registration: 20220210 Address after: 014030 No. 206, building 3, No. 2, Fuqiang Road, Qingshan District, Baotou City, Inner Mongolia Autonomous Region Applicant after: Wang Jicheng Address before: 101100 3150, 1st floor, building 3, no.6, Fuxing 2nd Street, Tongzhou District, Beijing Applicant before: Beijing eprit Technology Co.,Ltd. |
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