NOVELTY - Oxygen-free thermal-cracking gasification device comprises dehydrating kettle, gas condensed phase separation system, combustible gas compression system and carbide discharging system, garbage storage hopper (21), garbage lifting module (22), organic matter converting furnace (23), absorbing column (24),carbide discharger module (30), residue carbon catcher (31), carbide separating box (32), condensed phase separation collecting pool (33) and upstream garbage dehydrating system (34).    USE - Oxygen-free thermal-cracking gasification device for urban household garbage (claimed).    ADVANTAGE - The device is safe and has zero release in the production process, intellectualization and low energy consumption for the production process, resources regeneration and basic energy matter recycle, and low cost input and convenient operation for the garbage treatment and energy-saving, drainage-reducing and natural matter recycle.    DETAILED DESCRIPTION - Oxygen-free thermal-cracking gasification device comprises dehydrating kettle, gas condensed phase separation system, combustible gas compression system and carbide discharging system, garbage storage hopper (21), garbage lifting module (22), organic matter converting furnace (23), absorbing column (24), induced draft fan (25), combustible gas process storage overturning module (26), compressor A (27), compressor B (28), gas furnace (29), carbide discharger module (30), residue carbon catcher (31), carbide separating box (32), condensed phase separation collecting pool (33) and upstream garbage dehydrating system (34). The output end of garbage storage hopper is connected to input end of organic matter converting furnace via garbage lifting module, output end of organic matter converting furnace connected to input end of induced draft fan via absorbing column and outputs air-in signal, and output end of organic matter converting furnace connected to the input end of combustible gas process storage overturning module. The output of combustible gas process storage overturning module is divided into two routes, one route of output signal fed back to organic matter converting furnace through compressor A, compressor B and gas furnace, other route of output signal connected to input end of upstream garbage dehydrating system through condensed phase separation collecting pool, and an output signal of compressor B connected to the input end of condensed phase separation collecting pool; and output end of organic matter converting furnace connected to the input end of carbide separating box through the carbide discharger module and residue carbon catcher. An INDEPENDENT CLAIM is included for an oxygen-free thermal-cracking gasification comprising:    (A) processing non-extraneous source low-energy consumption processing technology using self-energy, multi-type energy efficiency transfer, and regeneration system having redundant energy source to output except contenting garbage self-processing energy consumption;    (B) secondary pollution control technology of garbage processing system involving processing oxygen-free gasification, using oxygen-free non-combustion gasification technology, separation of oxygen, and effectively inhibiting generation of system dioxin in treatment process, processing liquid phase absorption, not directly anti-air exhausting flue gas with low sulfur in system, and intensively processing after system making liquid phase absorption, multipurpose use or concentrated conversion, selectively processing waste or dust generated in garbage process according to condition allowed by item combination investment by multipurpose use or concentrated conversion project, recycling or limiting quantity, recycling or limiting quantity to point the way to exhaust after sewage system respectively collecting and intensively processing until according with standard allowed by work condition according to production system requirement of each device;    (C) convenient control technology of garbage process comprising using distribution automatic program control as main and labor power as assist, basically using current-skilled and dependent process device and technology to make systematic arrangement at each process unit and work process of garbage process, and checking raw material quality having relatively extensive requirement for raw material quality of household garbage, and suitable for different types and heat-value content daily garbage (except inorganic matter);and    (D) low society cost control technology of garbage process involving setting relatively strict control for investment of engineering construction in design process of garbage processing system, obtaining best economic operable and business benefit of item by lowest engineering investment, fully calculating, optimizing daily operation cost on design and arrangement of the whole device, and basically operating on the state of relative lower consumption cost.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of the oxygen-free thermal-cracking gasification device. (Drawing includes non-English language text).    Garbage storage hopper (21)    Garbage lifting module (22)    Organic matter converting furnace (23)    Absorbing column (24)    Induced draft fan (25)    Combustible gas process storage overturning module (26)    Compressor A (27)    Compressor B (28)    Gas furnace (29)    Carbide discharger module (30)    Residue carbon catcher (31)    Carbide separating box (32)    Condensed phase separation collecting pool (33)    Upstream garbage dehydrating system (34)