Collaborative resourceful treatment method and treatment system for oil-based rock debris and kitchen biogas residues

A treatment system and oil-based rock technology, which is applied in the field of oil-based cuttings and kitchen residue collaborative resource processing methods and processing systems, can solve the problems of oil-based cuttings and kitchen residues that are difficult to handle or reuse , to achieve the effect of improving the value of resource utilization, strong economic practicability, and less cumbersome operation steps

Pending Publication Date: 2022-07-05
POWERCHINA CHENGDU ENG
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  • Summary
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Therefore, oil-based cuttings and cooking biogas residues are difficult to dispose or reuse. How to properly dispose of them is a problem we are facing now.

Method used

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  • Collaborative resourceful treatment method and treatment system for oil-based rock debris and kitchen biogas residues

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Experimental program
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Effect test

Embodiment 1

[0037] The oil-based cuttings after removing large debris are centrifuged and then separated into solid and liquid. The obtained solid-phase oil-based cuttings have an oil content of 8%. The solid-phase residues of the oil-based cuttings are placed in a drying environment of 200 degrees Celsius for 12 hours. , after it is dried and shaped, grind it to obtain powdery solid phase residue; filter out the large debris and carry out centrifugal dehydration to obtain a slurry with a moisture content of 50%; heat the treated slurry to 60 degrees Celsius, A second centrifugation was performed to obtain a mixture of grease and solid phase residue (the mixing ratio was 2.5:1).

[0038]Mix the solid residue powder of the oil-based cuttings and the solid residue mixture uniformly in a volume ratio of 1:3, add a coagulant with a volume fraction of 2% during the mixing process, and transfer it to 200 degrees Celsius after mixing evenly. Dry in a dry environment for 12h, and then compress th...

Embodiment 2

[0040] The oil-based cuttings after removing large debris are centrifuged and then separated into solid and liquid. The obtained solid-phase oil-based cuttings have an oil content of 6%. The solid-phase residues of the oil-based cuttings are placed in a drying environment of 250 degrees Celsius for 8 hours. , after it is dried and formed, it is ground to obtain powdery solid residue; the kitchen waste after filtering out large debris is centrifugally dehydrated to obtain a slurry with a moisture content of 55%; the treated slurry is heated to 55 degrees Celsius, A second centrifugation was performed to obtain a mixture of grease and solid phase residue (the mixing ratio was 3:1).

[0041] Mix the solid residue powder of the oil-based cuttings and the solid residue mixture uniformly according to the volume ratio of 1:4. During the mixing process, add a coagulant with a volume fraction of 1%. After mixing evenly, transfer it to 230 degrees Celsius. Dry in a dry environment for 1...

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Abstract

The invention relates to the field of environment-friendly resource utilization, and discloses a collaborative resourceful treatment method and system for oil-based rock debris and kitchen biogas residues. According to the method, the oil-based rock debris is subjected to solid-liquid separation, drying and fine crushing to obtain powder, then the kitchen waste is subjected to screening and solid-liquid separation, obtained grease and solid-phase residues are mixed with the oil-based rock debris powder according to a certain proportion, and finally the mixture is dried, formed and cut into blocks to be made into the solid fuel. According to the treatment system, the oil-based rock debris and the kitchen biogas residues are treated respectively, reasonable combination of the oil-based rock debris and the kitchen biogas residues is achieved, the problem that the oil-based rock debris and the kitchen biogas residues are difficult to treat is well solved, the effects of reduction, harmlessness and recycling can be achieved for the oil-based rock debris and the kitchen biogas residues, the environmental benefits and the economic benefits are obvious, and the method is suitable for industrial production. Not only is the environmental risk of the oil-based rock debris greatly reduced, but also the recycling value of the kitchen biogas residues and the oil-based rock is further improved, and a contribution is made to reduction of carbon emission in China.

Description

technical field [0001] The invention relates to the field of environmental protection resource utilization, in particular to a method and a processing system for the co-resource processing of oil-based rock chips and kitchen biogas residues. Background technique [0002] Oil-based cuttings are a kind of oily solid waste generated when oil-based drilling fluid is used to open up oil and gas "channels". Emissions will cause serious pollution to the environment. At present, the main technical methods for the treatment of oil-based cuttings include solidification and safe landfill method, drying technology, physicochemical separation method, incineration method, high temperature thermal cracking, and biodegradation technology. Due to the high cost of the above-mentioned processing technologies and the low degree of resource utilization, most exploration companies are very troubled by the problem of oil-based cuttings. [0003] Kitchen waste refers to the garbage generated in t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/48C10L5/46B09B3/65B09B3/35B09B3/38B09B3/30B09B3/40B09B101/70
CPCC10L5/48C10L5/46B09B3/00
Inventor 陈长杰郎建文典康昭君童小双
Owner POWERCHINA CHENGDU ENG
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