exported necessary COPI_0000307
Kettle Reboiler
IRI: https://www.inf.ufrgs.br/ontologies/copi/COPI_0000307
Generated onGerado em 2026-04-16
Natural Language DefinitionDefinição em Linguagem Natural
EN
A kettle reboiler is a reboiler that has horizontal orientation and contains a separate vapour space for vapor-liquid disengagement.
PT-BR
Um refervedor tipo kettle é um refervedor que possui orientação horizontal e contém um espaço de vapor separado para desengajamento vapor-líquido.
Formal AxiomsAxiomas Formais
Semi-formal (Aristotelian)Semi-formal (Aristotélico)
Every kettle reboiler is a reboiler that has horizontal orientation and has a separate vapour space as component part.
First-Order Logic TheoryTeoria em Lógica de Primeira Ordem
[Necessary condition]∀x (KettleReboiler(x) → HeatExchanger(x) ∧ ∃f (ReboilingFunction(f) ∧ bearerOf(x,f))) — Steps 1–3: genus + identity-giving function [Function axiom: ReboilingFunction]∀f (ReboilingFunction(f) → ∀p (realizedIn(f,p) → ReboilingProcess(p)) ∧ ∃p (ReboilingProcess(p) ∧ realizedIn(f,p))) — Step 1: ∀ preserves type-type identity; ∃ rules out vacuous functions never realised [Structural differentia (necessary only)]∀x (KettleReboiler(x) → ∃hasQuality.HorizontalOrientation ⊓ ∃hasComponentPartAtAllTimes.SeparateVapourSpace) — Step 3: structural property — necessary condition, not sufficient (OWA prevents ≡) [Necessary part: SeparateVapourSpace]∀x (KettleReboiler(x) → ∃p (SeparateVapourSpace(p) ∧ hasComponentPartAtAllTimes(x,p))) — Step 4: mereological commitment — every instance must have this part [Process participation signature]∀x ∀f ((KettleReboiler(x) ∧ ReboilingFunction(f) ∧ bearerOf(x,f)) → ∃m1 (LiquidPortion(m1) ∧ participatesIn(m1,f)) ∧ ∃m2 (HeatingMedium(m2) ∧ participatesIn(m2,f)) ∧ ∃e1 (VaporPortion(e1) ∧ participatesIn(e1,f)) ∧ ∃e2 (LiquidPortion(e2) ∧ participatesIn(e2,f)) ∧ ∃e3 (CooledHeatingMedium(e3) ∧ participatesIn(e3,f)) ∧ processType(f,PhaseSeparation)) — Step 5: typed participants in the realising process
OWL 2 / Turtle
@prefix copi: <https://www.inf.ufrgs.br/ontologies/copi/> . @prefix : <https://www.inf.ufrgs.br/ontologies/copi/> . @prefix owl: <http://www.w3.org/2002/07/owl#> . @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . @prefix xsd: <http://www.w3.org/2001/XMLSchema#> . @prefix bfo: <http://purl.obolibrary.org/obo/> . @prefix iof-core: <https://spec.industrialontologies.org/ontology/construct/> . @prefix iof-av: <https://spec.industrialontologies.org/ontology/annotation/> . @prefix skos: <http://www.w3.org/2004/02/skos/core#> . @prefix qudt: <http://qudt.org/schema/qudt/> . @prefix dcterms: <http://purl.org/dc/terms/> . @prefix foaf: <http://xmlns.com/foaf/0.1/> . @prefix apv: <http://inf.ufrgs.br/ontologies/apv#> . ### COPI — Core Ontology for Petroleum Installations ### Class module: KettleReboiler <https://www.inf.ufrgs.br/ontologies/copi> rdf:type owl:Ontology ; dcterms:title "Core Ontology for Petroleum Installations (COPI)"@en ; dcterms:title "Ontologia Core para Instalações de Petróleo (COPI)"@pt-br ; dcterms:description "BFO/IOF-Core conformant ontology of equipment classes for petroleum production plants, developed using the five-step RDL enrichment method."@en ; skos:scopeNote "Material artifacts (bfo:material_entity) that (i) are part of a petroleum production plant, and (ii) bear at least one function whose realization involves the transport (e.g. production and injection), processing (separation and other processes), control, monitoring, measurement, containment or offloading of material or energy."@en ; skos:scopeNote "Artefatos materiais (bfo:material_entity) que (i) fazem parte de uma planta de produção de petróleo, e (ii) possuem ao menos uma função cuja realização envolve o transporte (p. ex. produção e injeção), processamento (separação e outros processos), controle, monitoramento, medição, contenção ou escoamento de material ou energia."@pt-br ; skos:scopeNote "COPI provides high-level equipment categories defined by function to demonstrate the defined-class mechanism. Equipment subtypes are annotated with references to CFIHOS and PCA RDL terms. COPI is not a reference data library; organizations should use CFIHOS, PCA RDL, or ISO 14224 for comprehensive equipment classification."@en ; skos:scopeNote "COPI fornece categorias de alto nível de equipamentos definidas por função para demonstrar o mecanismo de classe definida. Os subtipos de equipamentos são anotados com referências aos termos do CFIHOS e do PCA RDL. COPI não é uma biblioteca de dados de referência; organizações devem utilizar o CFIHOS, o PCA RDL ou a ISO 14224 para classificação abrangente de equipamentos."@pt-br ; owl:versionInfo "1.1.0-104-g4d16eff" ; owl:imports <https://spec.industrialontologies.org/ontology/core/Core/> ; owl:imports <http://purl.obolibrary.org/obo/bfo/2020/bfo.owl> ; dcterms:creator "Nicolau Oyhenard dos Santos"@en ; dcterms:contributor "Cauã Antunes" ; dcterms:contributor "Haroldo Rojas" ; dcterms:contributor "Rafael Petry" ; dcterms:contributor "Régis Romeu" ; dcterms:contributor "Mara Abel" ; dcterms:isPartOf <https://inf.ufrgs.br/projetos/OntoKG> ; dcterms:publisher "Universidade Federal do Rio Grande do Sul (UFRGS)"@en ; dcterms:license <https://creativecommons.org/licenses/by/4.0/> ; dcterms:created "2026-04-08"^^xsd:date ; dcterms:modified "2026-07-13"^^xsd:date ; apv:GlobalMinLanguageCoverage "en pt-br" ; apv:ClassURIFormationRule "https://www[.]inf[.]ufrgs[.]br/ontologies/copi/(COPI_[0-9]{7}|[A-Z][A-Za-z0-9]*)" ; apv:ClassMinAnnotationCoverage "rdfs:label https://spec.industrialontologies.org/ontology/annotation/naturalLanguageDefinition" . iof-av:naturalLanguageDefinition rdf:type owl:AnnotationProperty ; apv:MinAnnotationLength 20 . ### Identity-giving function :ReboilingFunction rdf:type owl:Class ; rdfs:subClassOf iof-core:DesignedFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :ReboilingProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :ReboilingProcess ] ; rdfs:label "reboiling function"@en ; rdfs:label "função de refervimento"@pt-br . ### Process type :ReboilingProcess rdf:type owl:Class ; rdfs:subClassOf iof-core:PlannedProcess ; rdfs:label "reboiling process"@en ; rdfs:label "processo de refervimento"@pt-br . :ReboilingProcess rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :LiquidPortion ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :HeatingMedium ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :VaporPortion ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :LiquidPortion ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :CooledHeatingMedium ] . ### Equipment universal: KettleReboiler :KettleReboiler rdf:type owl:Class ; rdfs:subClassOf :HeatExchanger ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart) owl:someValuesFrom :ReboilingFunction ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasComponentPartAtAllTimes ; owl:someValuesFrom :SeparateVapourSpace ] ; rdfs:label "kettle reboiler"@en ; rdfs:label "refervedor tipo kettle"@pt-br ; iof-av:naturalLanguageDefinition "A kettle reboiler is a reboiler that has horizontal orientation and contains a separate vapour space for vapor-liquid disengagement."@en ; skos:definition "A kettle reboiler is a reboiler that has horizontal orientation and contains a separate vapour space for vapor-liquid disengagement."@en ; iof-av:naturalLanguageDefinition "Um refervedor tipo kettle é um refervedor que possui orientação horizontal e contém um espaço de vapor separado para desengajamento vapor-líquido."@pt-br ; iof-av:semiFormalNaturalLanguageAxiom "Every kettle reboiler is a reboiler that has horizontal orientation and has a separate vapour space as component part."@en ; iof-av:firstOrderLogicAxiom "∀x(KettleReboiler(x) → Reboiler(x) ∧ ∃q(HorizontalOrientation(q) ∧ hasQuality(x,q)) ∧ ∃v(SeparateVapourSpace(v) ∧ hasComponentPartAtAllTimes(x,v)))"@en ; iof-av:isPrimitive "true"^^xsd:boolean ; iof-av:primitiveRationale "Constructive type defined by specific physical configuration. Under Open World Assumption, sufficient conditions could incorrectly classify equipment with horizontal orientation and vapor space but fundamentally different purposes (e.g., horizontal separators, flash drums) as kettle reboilers. The structural differentia provides necessary conditions for the kettle reboiler maintenance/procurement category."@en ; :SeparateVapourSpace rdf:type owl:Class ; rdfs:subClassOf iof-core:MaterialArtifact ; rdfs:label "espaço separado de vapor"@pt-br ; rdfs:label "separate vapour space"@en .
Axiomatization Decision LogRegistro de Decisões
1 Identity-Giving FunctionFunção Identitária
Function class
ReboilingFunction ⊑ DesignedFunction
Realized in
ReboilingProcess ⊑ PlannedProcess
A reboiler's identity is given by its function to reboil liquid (typically from distillation column bottom) by adding heat to produce vapor that returns to the column. This is a specialized heating function for distillation support.
2 Genus DeterminationDeterminação do Gênero
heat exchangerbfo:Object (BFO_0000030)
ISO 15926 explicitly states 'A KETTLE REBOILER is a REBOILER that is horizontal and has a separate vapour space.' The genus is clearly Reboiler, not the broader heat exchanger. Reboiler is the most specific superclass for this concept, though it is not yet enriched in our ontology.
3 Differentia SpecificaDiferença Específica
∃hasQuality.HorizontalOrientation ⊓ ∃hasComponentPartAtAllTimes.SeparateVapourSpace

Distinguished from other reboilers by having horizontal orientation and a separate vapour space for vapor-liquid disengagement.

The horizontal orientation and separate vapour space are the two essential structural features that define kettle reboiler configuration. These enable gravity separation of vapor from liquid and create the characteristic kettle-like vapor disengagement zone.
4 Necessary PartsPartes Necessárias
Part classParentRelation
SeparateVapourSpaceMaterialArtifacthasComponentPartAtAllTimes
Parts focus on the distinctive separate vapour space plus essential heat transfer components inherited from the reboiler genus.
Process Participation SignatureAssinatura de Participação em Processo
InputsEntradas
{'type': 'LiquidPortion', 'count': 1, 'constraints': 'from distillation column bottom'}, {'type': 'HeatingMedium', 'count': 1, 'constraints': 'steam or hot fluid'}
OutputsSaídas
{'type': 'VaporPortion', 'count': 1, 'constraints': 'returns to distillation column'}, {'type': 'LiquidPortion', 'count': 1, 'constraints': 'remaining liquid, may recirculate'}, {'type': 'CooledHeatingMedium', 'count': 1, 'constraints': 'condensate or cooled fluid'}
TransformationTransformação
thermal energy transfer causing partial vaporization with vapor-liquid separation
Kettle reboiler receives column bottom liquid and heating medium, produces separated vapor (to column) and liquid (recirculation), while cooling the heating medium.
MetadataMetadados
COPI IDCOPI IDCOPI_0000307
IRIIRIhttps://www.inf.ufrgs.br/ontologies/copi/COPI_0000307
StatusStatusexported
Axiom modeModonecessary
CreatedCriado2026-04-16
UpdatedAtualizado2026-06-28
LLM modelModelo LLMclaude-sonnet-4-20250514
VersionVersão2026-07-13