CN110743905A - Pyrolysis oil-containing solid waste treatment method and system - Google Patents

Pyrolysis oil-containing solid waste treatment method and system Download PDF

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Publication number
CN110743905A
CN110743905A CN201911156841.0A CN201911156841A CN110743905A CN 110743905 A CN110743905 A CN 110743905A CN 201911156841 A CN201911156841 A CN 201911156841A CN 110743905 A CN110743905 A CN 110743905A
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China
Prior art keywords
solid waste
treatment
oil
containing solid
pyrolysis
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Pending
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CN201911156841.0A
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Chinese (zh)
Inventor
于莅洋
于银国
严巧霞
童中军
储静静
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Jiangsu State Environmental Protection Engineering Technology Co Ltd
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Jiangsu State Environmental Protection Engineering Technology Co Ltd
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Priority to CN201911156841.0A priority Critical patent/CN110743905A/en
Publication of CN110743905A publication Critical patent/CN110743905A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/40Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B2101/00Type of solid waste
    • B09B2101/02Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention provides a pyrolysis oil-containing solid waste treatment method, which comprises the following steps of S1: a material preparation procedure, namely preparing oil-containing solid waste materials to be treated; s2: a pretreatment process, namely carrying out quantitative homogenization treatment on the pretreated oily solid waste material; s3: a thermal desorption treatment process, in which thermal desorption treatment is carried out on the oil-containing solid waste material; s4: and (5) discharging. The compact circulation process is set for adapting to the offshore drilling platform, the treatment process is simplified, the treatment efficiency is improved by separating the pretreatment process and the pyrolysis process, the solid waste treatment effect is improved, meanwhile, the waste liquid and the waste gas are purified and recovered in time, and the emission is guaranteed to reach the standard.

Description

Pyrolysis oil-containing solid waste treatment method and system
Technical Field
The invention relates to the field of solid waste treatment, in particular to a pyrolysis oil-containing solid waste treatment method and system.
Background
The offshore drilling platform can generate a large amount of oil-containing solid waste during drilling operation, is limited by the operating environment of the offshore drilling platform, cannot treat the oil-containing solid waste through complicated treatment equipment as on the land, and has no effective treatment method and treatment equipment suitable for the working condition of the offshore drilling platform in the prior art, so that the potential hazard of environmental pollution exists.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention provides a method and a system for treating oil-containing solid waste by pyrolysis to solve the problems.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method for treating oil-containing solid waste by pyrolysis comprises
S1: a material preparation procedure, namely preparing oil-containing solid waste materials to be treated;
s2: a pretreatment process, namely carrying out quantitative homogenization treatment on the pretreated oily solid waste material;
s3: a thermal desorption treatment process, in which thermal desorption treatment is carried out on the oil-containing solid waste material;
s4: and (5) discharging.
Further: the pretreatment procedure comprises the steps of pre-deoiling and mixing, and pre-deoiling and mixing treatment is carried out on the oil-containing solid waste material through a mixer.
Further: the pretreatment procedure comprises microwave drying, and microwave drying treatment is carried out on the oil-containing solid waste material through a microwave dryer.
Further: the thermal desorption treatment process comprises the step of carrying out thermal desorption treatment on the oil-containing solid waste material by the pyrolysis main furnace
Further: the pretreatment step and the thermal desorption treatment step are performed by a discharge treatment and recovery step.
Further: the discharge treatment and recovery process specifically comprises
S1: the oil-gas condensation separation unit is used for carrying out oil-gas condensation separation on the discharged waste gas and waste liquid;
s2: the wastewater treatment unit is used for purifying and discharging the discharged wastewater;
s3: and a condensate treatment unit for recovering the separated oil.
Further: a cooling and protecting unit is arranged between the thermal desorption treatment process and the discharging process.
The utility model provides an oiliness solid useless processing system includes deoiling blendor in advance, microwave dryer, storage bin, pyrolysis main furnace and ejection of compact machine in advance, deoiling blendor in advance and microwave dryer pass through screw conveyer and link to each other, the storage bin sets up in advance the microwave dryer exit, the import of pyrolysis main furnace with the export intercommunication of storage bin in advance, the exit of the pyrolysis main furnace of department sets up the ejection of compact machine.
Further: the pyrolysis main furnace with set up emission treatment recovery unit on the microwave dryer, emission treatment recovery unit is including the gland packing, physics deoiling interceptor, gland packing, active carbon adsorption case and the photo-oxidation plasma VOC processing case that set gradually.
The method and the system for treating the oil-containing solid waste through pyrolysis have the advantages that a compact circulation process is arranged to adapt to an offshore drilling platform, the treatment process is simplified, the treatment efficiency is improved through the separation of the pretreatment process and the pyrolysis process, the solid waste treatment effect is improved, waste liquid and waste gas are purified and recovered in time, and the emission is guaranteed to reach the standard.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a pyrolysis oil-containing solid waste treatment system of the present invention.
In the figure, 1, a pre-deoiling blender, 2, a microwave dryer, 3, a pre-storage bin, 4, a pyrolysis main furnace, 5, a discharging machine, 6, a spiral conveying device and 7, and a discharge treatment and recovery device.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and 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 therefore, should not be considered as limiting the present invention.
As shown in fig. 1, the invention provides a method for treating oil-containing pyrolysis solid waste, which comprises the following steps of S1: a material preparation procedure, namely preparing oil-containing solid waste materials to be treated; s2: a pretreatment process, namely carrying out quantitative homogenization treatment on the pretreated oily solid waste material; s3: a thermal desorption treatment process, in which thermal desorption treatment is carried out on the oil-containing solid waste material; s4: and (5) discharging.
The pretreatment procedure comprises the steps of pre-deoiling and mixing, and pre-deoiling and mixing treatment is carried out on the oil-containing solid waste material through a mixer. The pretreatment procedure comprises microwave drying, and microwave drying treatment is carried out on the oil-containing solid waste material through a microwave dryer 2. The thermal desorption treatment process comprises the step of carrying out thermal desorption treatment on the oil-containing solid waste material through the pyrolysis main furnace 4
The oil-containing solid waste pyrolysis treatment specifically comprises the steps of firstly preparing oil-containing solid waste, then selecting a pretreatment process according to the state of the oil-containing solid waste, and when the oil-containing solid waste contains high content of materials, carrying out pre-deoiling and mixing treatment on the oil-containing solid waste materials through a mixer so as to reduce the oil content of the oil-containing solid waste; when the oil content is low, the microwave dryer 2 is used for carrying out microwave drying on the oil-containing solid waste, so that the oil-containing solid waste state meets the pyrolysis requirement.
And (4) the pretreated oily material enters a thermal desorption treatment process to be thermally desorbed, and waste residues are discharged through a discharging process after the thermal desorption treatment process is finished. The pretreatment step and the thermal desorption treatment step are performed by a discharge treatment and recovery step. The discharge treatment and recovery process specifically includes S1: the oil-gas condensation separation unit is used for carrying out oil-gas condensation separation on the discharged waste gas and waste liquid; s2: the wastewater treatment unit is used for purifying and discharging the discharged wastewater; s3: and a condensate treatment unit for recovering the separated oil.
The discharge treatment and recovery process can timely collect and purify the pollutants such as waste liquid, waste gas and the like generated in the pretreatment process and the thermal desorption treatment process, so that the recovery of the separation oil and the standard discharge of the waste gas and the waste water are realized. A cooling and protecting unit is arranged between the thermal desorption treatment process and the discharging process, and can ensure the stable operation of the thermal desorption treatment process and improve the thermal desorption effect.
The utility model provides a pyrolysis oiliness solid waste system, includes deoiling blendor 1 in advance, microwave dryer 2, storage bin 3, pyrolysis main furnace 4 and ejection of compact machine 5 in advance, deoiling blendor 1 in advance and microwave dryer 2 link to each other through screw conveyer 6, storage bin 3 sets up in advance microwave dryer 2 exit, pyrolysis main furnace 4 the import with the export intercommunication of storage bin 3 in advance, the exit of the pyrolysis main furnace 4 of department sets up ejection of compact machine 5.
Pyrolysis main furnace 4 with set up emission treatment recovery unit 7 on the microwave dryer 2, emission treatment recovery unit 7 is including the stuffing box, the physical oil removal interceptor, stuffing box, activated carbon adsorption tank and the light oxygen plasma VOC processing case that set gradually.
The pre-deoiling blender mixer 1 and the microwave dryer 2 operate the materials according to the oil-containing solid waste state, the pre-storage bin 3 quantitatively feeds the materials into the pyrolysis main furnace 4, waste residues are discharged by the discharging machine 5 after pyrolysis, and waste liquid and waste gas generated in the microwave dryer 2 and the pyrolysis main furnace 4 are collected and purified by the discharge treatment and recovery device 7, so that the standard discharge is realized.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (8)

1. A pyrolysis oil-containing solid waste treatment method is characterized in that: the processing method comprises
S1: a material preparation procedure, namely preparing oil-containing solid waste materials to be treated;
s2: a pretreatment process, namely carrying out quantitative homogenization treatment on the pretreated oily solid waste material;
s3: a thermal desorption treatment process, in which thermal desorption treatment is carried out on the oil-containing solid waste material;
s4: and (5) discharging.
2. The method for treating the pyrolysis oil-containing solid waste according to claim 1, characterized by comprising: the pretreatment procedure comprises the steps of pre-deoiling and mixing, and pre-deoiling and mixing treatment is carried out on the oil-containing solid waste material through a mixer.
3. The method for treating the pyrolysis oil-containing solid waste according to claim 1, characterized by comprising: the pretreatment procedure comprises microwave drying, and microwave drying treatment is carried out on the oil-containing solid waste material through a microwave dryer (2).
4. The method for treating the pyrolysis oil-containing solid waste according to claim 1, characterized by comprising: the thermal desorption treatment process comprises the step of carrying out thermal desorption treatment on the oil-containing solid waste material by a pyrolysis main furnace (4)
The method for treating the pyrolysis oil-containing solid waste according to claim 1, characterized by comprising: the pretreatment step and the thermal desorption treatment step are performed by a discharge treatment and recovery step.
5. The method for treating the pyrolysis oil-containing solid waste according to claim 5, characterized in that: the discharge treatment and recovery process specifically comprises
S1: the oil-gas condensation separation unit is used for carrying out oil-gas condensation separation on the discharged waste gas and waste liquid;
s2: the wastewater treatment unit is used for purifying and discharging the discharged wastewater;
s3: and a condensate treatment unit for recovering the separated oil.
6. The method for treating the pyrolysis oil-containing solid waste according to claim 1, characterized by comprising: a cooling and protecting unit is arranged between the thermal desorption treatment process and the discharging process.
7. The utility model provides a pyrolysis oiliness solid waste system which characterized in that: including deoiling blendor (1), microwave dryer (2), storage bin (3), pyrolysis main burner (4) and ejection of compact machine (5) in advance, deoiling blendor (1) and microwave dryer (2) link to each other through spiral delivery mechanism (6) in advance, storage bin (3) set up in advance microwave dryer (2) exit, the import of pyrolysis main burner (4) with the export intercommunication of storage bin (3) in advance, the exit of department pyrolysis main burner (4) sets up ejection of compact machine (5).
8. The pyrolysis oil-containing solid waste system according to claim 8, wherein: pyrolysis main furnace (4) with set up emission treatment recovery unit (7) on microwave dryer (2), emission treatment recovery unit (7) are including the stuffing box, physics deoiling interceptor, stuffing box, active carbon adsorption case and the light oxygen plasma VOC processing case that set gradually.
CN201911156841.0A 2019-11-22 2019-11-22 Pyrolysis oil-containing solid waste treatment method and system Pending CN110743905A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113308266A (en) * 2021-06-10 2021-08-27 镇江新区固废处置股份有限公司 Oil-containing solid waste disposal system based on pyrolysis technology
CN113881449A (en) * 2021-10-28 2022-01-04 山东大学 Low-temperature pyrolysis treatment method for oily waste

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EP1464713A1 (en) * 2003-04-01 2004-10-06 Alexander Kehrmann Process and system for working-up iron-containing, oil-contaminated waste
CN104496136A (en) * 2014-12-19 2015-04-08 辽宁华孚环境工程股份有限公司 Indirect heating and thermal desorption treatment device and method for oily solid waste
CN105819644A (en) * 2016-05-25 2016-08-03 北京航天星汉科技有限公司 Harmless treatment system and method for oily sludge
CN107120078A (en) * 2017-06-07 2017-09-01 西南石油大学 Oil-contained drilling cuttings microwave thermal desorption apparatus for continuous treatment
CN108383350A (en) * 2018-04-02 2018-08-10 大庆高新区百世环保科技开发有限公司 A kind of ultra-clean treatment process of oily sludge object and equipment
CN108640458A (en) * 2018-06-07 2018-10-12 广西博世科环保科技股份有限公司 Greasy filth innoxious thermal desorption processing system and processing method
CN208162277U (en) * 2018-01-04 2018-11-30 北京泷涛环境修复有限公司 A kind of thermal desorption system of contaminated soil
CN109022000A (en) * 2018-10-18 2018-12-18 四川富利斯达石油科技发展有限公司 A kind of oil-gas field development oil-containing fixed-end forces device
CN109354375A (en) * 2018-11-26 2019-02-19 西南石油大学 A kind of the greasy filth two-stage thermal desorption system and its integrated skid of high-moisture percentage
CN211489008U (en) * 2019-11-22 2020-09-15 江苏国瑞特环保工程技术有限公司 Pyrolysis oil-containing solid waste treatment system

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1464713A1 (en) * 2003-04-01 2004-10-06 Alexander Kehrmann Process and system for working-up iron-containing, oil-contaminated waste
CN104496136A (en) * 2014-12-19 2015-04-08 辽宁华孚环境工程股份有限公司 Indirect heating and thermal desorption treatment device and method for oily solid waste
CN105819644A (en) * 2016-05-25 2016-08-03 北京航天星汉科技有限公司 Harmless treatment system and method for oily sludge
CN107120078A (en) * 2017-06-07 2017-09-01 西南石油大学 Oil-contained drilling cuttings microwave thermal desorption apparatus for continuous treatment
CN208162277U (en) * 2018-01-04 2018-11-30 北京泷涛环境修复有限公司 A kind of thermal desorption system of contaminated soil
CN108383350A (en) * 2018-04-02 2018-08-10 大庆高新区百世环保科技开发有限公司 A kind of ultra-clean treatment process of oily sludge object and equipment
CN108640458A (en) * 2018-06-07 2018-10-12 广西博世科环保科技股份有限公司 Greasy filth innoxious thermal desorption processing system and processing method
CN109022000A (en) * 2018-10-18 2018-12-18 四川富利斯达石油科技发展有限公司 A kind of oil-gas field development oil-containing fixed-end forces device
CN109354375A (en) * 2018-11-26 2019-02-19 西南石油大学 A kind of the greasy filth two-stage thermal desorption system and its integrated skid of high-moisture percentage
CN211489008U (en) * 2019-11-22 2020-09-15 江苏国瑞特环保工程技术有限公司 Pyrolysis oil-containing solid waste treatment system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113308266A (en) * 2021-06-10 2021-08-27 镇江新区固废处置股份有限公司 Oil-containing solid waste disposal system based on pyrolysis technology
CN113881449A (en) * 2021-10-28 2022-01-04 山东大学 Low-temperature pyrolysis treatment method for oily waste

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