JP2003340261A5 - - Google Patents

Claims (16)

A hydrothermal reactor that treats an object to be processed in a batch system by hydrothermal reaction
A cylindrical bottomed reactor main body having an opening in the upper part, containing the object to be processed from the upper opening, and having the inside as a hydrothermal reaction zone;
A lid that opens and closes the upper opening of the reactor body;
A non-bolt fastening type quick opening and closing mechanism for quickly opening and closing the upper opening of the reactor main body by the lid;
A supply pipe connected to the lower part or side part of the reactor body and supplying supercritical water or subcritical water and, if necessary, oxidant;
A batch type hydrothermal reactor characterized by comprising a discharge pipe connected to the lower part or side part of the main body of the reactor and discharging the processing fluid. The quick opening and closing mechanism is an integrated clamp system,
External teeth having a plurality of first protrusions protruding in the outer horizontal direction in the form of external gears spaced apart from each other around the lid, which is a short cylindrical member having the same diameter as the internal diameter of the reactor body And
A flange provided in the upper opening of the reactor body, having a flange projecting in an annular shape outward;
The upper part and the lower part are each formed as an annular part projecting inwardly in an annular shape when viewed in the longitudinal section, and the intermediate part between the upper part and the lower part is the overlap of the first projecting part of the external tooth part and the flange part of the flange It is formed as a recess into which the fitting is fitted, and the upper annular part is provided with a second protrusion in the form of an internal gear, and the inner side surface of the lower annular part is in contact with the lower surface of the flange flange, and the upper opening of the reactor body A ring-shaped internal gear member rotatably mounted around the part;
An elevating mechanism for elevating the lid,
A rotation mechanism for rotating the internal gear member around the upper opening of the reactor body,
The number of the second protrusions of the internal tooth member protrudes in the inward horizontal direction at the same number as the first protrusion and at an interval not smaller than the tip width of the first protrusion, and the internal tooth member forms the lid on the top of the reactor main body. The batch-type hydrothermal reactor according to claim 1, wherein the inner surface of the second protrusion is positioned at the same height as the upper surface of the first protrusion when mounted on the opening. Third projections projecting outward in the form of external gears are spaced apart from each other and are provided at the flanges of the flanges, and are the same number as the third projections, and are spaced at an interval not smaller than the tip width of the third projection. A fourth protrusion projecting in an inward horizontal direction in the form of a toothed gear is provided on the lower annular portion of the internal gear member;
When the internal tooth member is attached to the reactor main body, the internal tooth member is attached to the reactor main body by feeding the fourth protrusion of the internal tooth member from between the third protrusions of the flange. The batch type hydrothermal reactor according to claim 2. When the lid is attached to the upper opening of the reactor main body and the reactor main body is closed, the first protrusion of the outer teeth of the lid is lifted and lowered from the gap between the second protrusions of the internal teeth member. The outer tooth portion is positioned below the inner tooth member by lowering the inner tooth member, and then the inner tooth member is rotated by the rotation mechanism so that the inner side surface of the second protrusion portion of the inner tooth member is the first protrusion of the outer tooth portion. in contact with the upper surface of the part, by fitting the outer tooth portion and the flange in the recess of the internal gear member, closes together reactor body when secured to the upper opening of the reactor body the lid,
When the lid is removed from the upper opening of the reactor main body and the reactor main body is opened, the inner tooth member is rotated by the rotating mechanism to rotate the inner surface of the second protrusion of the inner tooth member and the lid body. Contact with the upper surface of the first protruding portion of the external tooth portion and fitting of the external tooth portion and the flange into the concave portion of the internal tooth member are released, and then the outer tooth portion of the outer tooth portion is removed from the gap between the second protruding portions of the internal tooth member. The batch type hydrothermal reactor according to claim 2 or 3, wherein the protrusion is lifted and the lid body is removed upward.   The batch type hydrothermal reactor according to claim 1, wherein the quick opening / closing mechanism is a clamp type opening / closing mechanism. The lower part of the lid is configured as a sealing part having the same diameter as the inner diameter of the reactor main body, and an O-ring type packing or an omni seal type packing is provided as a sealing body on the outer peripheral surface of the sealing part.
The batch-type hydrothermal energy according to any one of claims 1 to 5, wherein when the reactor main body is closed by the lid, the reactor main body is sealed by fitting a sealing portion into the reactor main body. Reactor.   The batch-type hydrothermal reactor according to claim 6, wherein a plurality of ring-shaped packings are provided as a sealing body so as to be spaced apart from the lower part to the upper part of the sealing part.   In order to detect the presence or absence of fluid leaking from the sealing by the packing, the communication pipe communicating with the outside is opened as a weep hole on the outer peripheral surface of the sealing portion between the packing and the packing. Item 8. The batch type hydrothermal reactor according to Item 7.   The cooling jacket for cooling the sealing portion with cooling water and maintaining the temperature of the packing below the allowable temperature of the packing is provided in the sealing portion of the lid body. The batch type hydrothermal reactor according to item 1. The reactor main body and the lid constituting the reactor are each formed as a pressure vessel that holds the pressure of the hydrothermal reaction, and a reaction cartridge having the interior as a hydrothermal reaction zone is provided in the reactor, and the reactor is Constructed as a heavy-duty reactor
The pressure balancing fluid is fed between the reactor and the reaction cartridge, and the pressure in the reactor and the pressure in the reaction cartridge are maintained at a predetermined pressure difference. The batch type hydrothermal reactor according to item 1. The reaction cartridge is a sealed container, and a supply pipe for supplying supercritical water or subcritical water and, if necessary, an oxidant passes through the bottom or side of the reactor main body and is connected to the bottom of the reaction cartridge And a dispersion plate is provided at the outlet opening of the supply pipe,
In order to discharge the processing fluid, an exhaust pipe having an inlet opening at the top inside the reaction cartridge passes through the bottom of the reaction cartridge through the inside of the reaction cartridge, and further passes through the bottom or side of the reactor main body. The batch type hydrothermal reactor according to claim 10, wherein the batch type hydrothermal reactor is connected to the reactor.   The batch type hydrothermal reactor according to claim 10 or 11, wherein an internal heater is provided outside the reaction cartridge.   The batch type hydrothermal reactor according to claim 12, wherein a heat insulating wall made of a heat insulating material is provided along the outside of the internal heater and along the inner wall of the reactor main body. A cylindrical partition body is provided concentrically with the reaction cartridge in the annular space between the reaction cartridge and the reactor body,
Pressure balancing air is introduced into the annular space between the reactor body and the partition body, and then flows down between the partition body and the reaction cartridge to form an air insulation layer, and the pressure in the reactor body and the reaction cartridge The batch-type hydrothermal energy according to any one of claims 10 to 13, wherein the water is discharged from the reactor main body without being introduced into the reaction cartridge while maintaining the internal pressure at a predetermined pressure difference. Reactor. When the object to be treated is a solid substance, a solid substance holding cartridge having a high liquid permeability and a filter function is provided, and the solid substance containing organic harmful substances is contained in the solid substance holding cartridge, and the hydrothermal reaction zone. The batch-type hydrothermal reactor according to any one of claims 1 to 14, wherein the batch-type hydrothermal reactor is held in a tank.   A hydrothermal reactor comprising the batch hydrothermal reactor according to any one of claims 1 to 15.