{
    "nodes": [
        {
            "id": "DualValvePumpStation",
            "name": "双阀门泵站",
            "children": [
                "transfer_pump_1",
                "transfer_pump_2", 
                "multiway_valve_1",
                "multiway_valve_2",
                "flask_DMF",
                "flask_ethyl_acetate", 
                "flask_methanol",
                "flask_air",
                "main_reactor",
                "waste_workup",
                "collection_bottle_1"
            ],
            "parent": null,
            "type": "device",
            "class": "workstation",
            "position": {
                "x": 500,
                "y": 200,
                "z": 0
            },
            "config": {
                "protocol_type": ["PumpTransferProtocol"]
            },
            "data": {}
        },
        {
            "id": "transfer_pump_1",
            "name": "转移泵1",
            "children": [],
            "parent": "DualValvePumpStation",
            "type": "device",
            "class": "virtual_transfer_pump",
            "position": {
                "x": 300,
                "y": 300,
                "z": 0
            },
            "config": {
                "port": "VIRTUAL_PUMP1",
                "max_volume": 25.0,
                "transfer_rate": 5.0
            },
            "data": {
                "position": 0.0,
                "status": "Idle"
            }
        },
        {
            "id": "transfer_pump_2",
            "name": "转移泵2",
            "children": [],
            "parent": "DualValvePumpStation",
            "type": "device",
            "class": "virtual_transfer_pump",
            "position": {
                "x": 700,
                "y": 300,
                "z": 0
            },
            "config": {
                "port": "VIRTUAL_PUMP2",
                "max_volume": 25.0,
                "transfer_rate": 5.0
            },
            "data": {
                "position": 0.0,
                "status": "Idle"
            }
        },
        {
            "id": "multiway_valve_1",
            "name": "第一个八通阀",
            "children": [],
            "parent": "DualValvePumpStation",
            "type": "device",
            "class": "virtual_multiway_valve",
            "position": {
                "x": 300,
                "y": 400,
                "z": 0
            },
            "config": {
                "port": "VIRTUAL_VALVE1",
                "positions": 8
            },
            "data": {
                "current_position": 1
            }
        },
        {
            "id": "multiway_valve_2",
            "name": "第二个八通阀",
            "children": [],
            "parent": "DualValvePumpStation",
            "type": "device",
            "class": "virtual_multiway_valve",
            "position": {
                "x": 700,
                "y": 400,
                "z": 0
            },
            "config": {
                "port": "VIRTUAL_VALVE2",
                "positions": 8
            },
            "data": {
                "current_position": 1
            }
        },
        {
            "id": "flask_DMF",
            "name": "DMF试剂瓶",
            "children": [],
            "parent": "DualValvePumpStation",
            "type": "container",
            "class": null,
            "position": {
                "x": 100,
                "y": 500,
                "z": 0
            },
            "config": {
                "max_volume": 1000.0
            },
            "data": {
                "liquid": [
                    {
                        "liquid_type": "DMF",
                        "liquid_volume": 800.0
                    }
                ]
            }
        },
        {
            "id": "flask_ethyl_acetate",
            "name": "乙酸乙酯试剂瓶",
            "children": [],
            "parent": "DualValvePumpStation",
            "type": "container",
            "class": null,
            "position": {
                "x": 200,
                "y": 500,
                "z": 0
            },
            "config": {
                "max_volume": 1000.0
            },
            "data": {
                "liquid": [
                    {
                        "liquid_type": "ethyl_acetate",
                        "liquid_volume": 800.0
                    }
                ]
            }
        },
        {
            "id": "flask_methanol",
            "name": "甲醇试剂瓶",
            "children": [],
            "parent": "DualValvePumpStation",
            "type": "container",
            "class": null,
            "position": {
                "x": 300,
                "y": 500,
                "z": 0
            },
            "config": {
                "max_volume": 1000.0
            },
            "data": {
                "liquid": [
                    {
                        "liquid_type": "methanol",
                        "liquid_volume": 800.0
                    }
                ]
            }
        },
        {
            "id": "flask_air",
            "name": "空气瓶",
            "children": [],
            "parent": "DualValvePumpStation",
            "type": "container",
            "class": null,
            "position": {
                "x": 400,
                "y": 500,
                "z": 0
            },
            "config": {
                "max_volume": 1000.0
            },
            "data": {
                "liquid": []
            }
        },
        {
            "id": "main_reactor",
            "name": "主反应器",
            "children": [],
            "parent": "DualValvePumpStation",
            "type": "container",
            "class": null,
            "position": {
                "x": 600,
                "y": 500,
                "z": 0
            },
            "config": {
                "max_volume": 2000.0
            },
            "data": {
                "liquid": []
            }
        },
        {
            "id": "waste_workup",
            "name": "废液处理瓶",
            "children": [],
            "parent": "DualValvePumpStation",
            "type": "container",
            "class": null,
            "position": {
                "x": 700,
                "y": 500,
                "z": 0
            },
            "config": {
                "max_volume": 2000.0
            },
            "data": {
                "liquid": []
            }
        },
        {
            "id": "collection_bottle_1",
            "name": "收集瓶1",
            "children": [],
            "parent": "DualValvePumpStation",
            "type": "container",
            "class": null,
            "position": {
                "x": 800,
                "y": 500,
                "z": 0
            },
            "config": {
                "max_volume": 1000.0
            },
            "data": {
                "liquid": []
            }
        }
    ],
    "links": [
        {
            "id": "link_pump1_valve1",
            "source": "transfer_pump_1",
            "target": "multiway_valve_1",
            "type": "fluid",
            "port": {
                "transfer_pump_1": "transferpump",
                "multiway_valve_1": "transferpump"
            }
        },
        {
            "id": "link_pump2_valve2",
            "source": "transfer_pump_2",
            "target": "multiway_valve_2",
            "type": "fluid",
            "port": {
                "transfer_pump_2": "transferpump",
                "multiway_valve_2": "transferpump"
            }
        },
        {
            "id": "link_valve1_valve2",
            "source": "multiway_valve_1",
            "target": "multiway_valve_2",
            "type": "fluid",
            "port": {
                "multiway_valve_1": "8",
                "multiway_valve_2": "1"
            }
        },
        {
            "id": "link_valve1_air",
            "source": "multiway_valve_1",
            "target": "flask_air",
            "type": "fluid",
            "port": {
                "multiway_valve_1": "1",
                "flask_air": "top"
            }
        },
        {
            "id": "link_valve1_DMF",
            "source": "multiway_valve_1",
            "target": "flask_DMF",
            "type": "fluid",
            "port": {
                "multiway_valve_1": "2",
                "flask_DMF": "outlet"
            }
        },
        {
            "id": "link_valve1_ethyl_acetate",
            "source": "multiway_valve_1",
            "target": "flask_ethyl_acetate",
            "type": "fluid",
            "port": {
                "multiway_valve_1": "3",
                "flask_ethyl_acetate": "outlet"
            }
        },
        {
            "id": "link_valve1_methanol",
            "source": "multiway_valve_1",
            "target": "flask_methanol",
            "type": "fluid",
            "port": {
                "multiway_valve_1": "4",
                "flask_methanol": "outlet"
            }
        },
        {
            "id": "link_valve2_reactor",
            "source": "multiway_valve_2",
            "target": "main_reactor",
            "type": "fluid",
            "port": {
                "multiway_valve_2": "5",
                "main_reactor": "inlet"
            }
        },
        {
            "id": "link_valve2_waste",
            "source": "multiway_valve_2",
            "target": "waste_workup",
            "type": "fluid",
            "port": {
                "multiway_valve_2": "6",
                "waste_workup": "inlet"
            }
        },
        {
            "id": "link_valve2_collection",
            "source": "multiway_valve_2",
            "target": "collection_bottle_1",
            "type": "fluid",
            "port": {
                "multiway_valve_2": "7",
                "collection_bottle_1": "inlet"
            }
        }
    ]
}