Drying device for wet waste of nuclear power station

Abstract

The utility model discloses a nuclear power station wet waste drying device which comprises a machine cabinet, a cabinet door installed on the surface of the machine cabinet, a bottom plate arranged at the top end of the machine cabinet, stand columns arranged at the corners of the top end of the bottom plate, a top plate fixed to the top ends of the stand columns, a base arranged at the center of the top end of the bottom plate, and a drying box arranged at the top end of the base. A transparent observation window is arranged on the surface of the drying box, a box cover is arranged above the drying box, a heating pipe is installed in the center of the bottom of the box cover, a part placing frame is arranged on one side of the bottom of the cabinet, a dehumidification box is arranged at the position, on one side of the part placing frame, of the bottom of the cabinet, an exhaust fan is installed at the top end of the part placing frame, and an exhaust pipeline is installed at one end of the exhaust fan. According to the wet waste drying device, the wet waste drying efficiency is improved when the drying device is used, the absorption effect of the breathable moisture absorption filter cotton on moisture in air is guaranteed, the drying effect of the drying device on the wet waste is guaranteed when the drying device is used, and the convenience of the drying device is improved when the drying device is used.

Description

TECHNICAL FIELD

[0001] The utility model relates to nuclear power plant waste treatment technical field, concretely is a kind of drying device of nuclear power plant wet waste. BACKGROUND

[0002] Nuclear power plant will produce wet waste in the operation process, if this kind of wet waste is not handled in time, not only occupies a large amount of storage space, but also can cause potential threat to environment, so wet waste needs to be treated by drying process, so it has important practical significance to develop a kind of drying device of nuclear power plant wet waste.

[0003] With reference to the announcement No.CN217210091U, a kind of drying device of nuclear power plant wet waste, it includes cylinder;The upper end of the cylinder is open;The cylinder includes by inside outward sequentially concentrically arranged first grid cylinder, second grid cylinder and outer cylinder;The lower end of the outer cylinder is provided with sealing surface;The first grid cylinder and second grid cylinder form the cavity with circular ring cross section between;The bottom of the cavity is provided with base;The base includes annular grid surface and the support arranged in the bottom of annular grid surface;The base is arranged in the upper part of sealing surface, this drying device increases the heat exchange area of dry hot air and wet waste, can significantly improve the drying efficiency of wet waste, can improve the drying efficiency of unit processing capacity wet waste by about 200% or more, the drying time of single processing wet waste is within 3 hours, according to the above, although the drying device can be better applied, but it is usually inconvenient to carry out the cyclic removal operation of the moisture generated in drying cavity, so that the moisture is easy to remain in drying cavity and affect the drying efficiency of wet waste, and it needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of drying device of nuclear power plant wet waste, to solve the problem that drying device can be better applied in the above background art, but it is usually inconvenient to carry out the cyclic removal operation of the moisture generated in drying cavity, so that the moisture is easy to remain in drying cavity and affect the drying efficiency of wet waste.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A drying device for nuclear power plant wet waste, including the cabinet, the surface of the cabinet is equipped with the cabinet door, the top of the cabinet is equipped with the bottom plate, the corner position of the top of the bottom plate is equipped with the stand, the top of a plurality of stand is fixed with the top plate, the center position of the top of the bottom plate is equipped with the base, the top of the base is equipped with the drying box, the surface of the drying box is equipped with the transparent observation window, the top of the drying box is equipped with the box cover, the bottom of the box cover is in contact with the top of the drying box, the center position of the bottom of the box cover is installed with the heating pipe, one side of the bottom of the cabinet is equipped with the placing rack, the bottom of the cabinet of one side of the placing rack is equipped with the dehumidification box, the top of the placing rack is installed with the exhaust fan, one end of the exhaust fan is installed with the exhaust duct, the end away from the exhaust fan of the exhaust duct extends to the inside of the drying box, the other end of the exhaust fan is installed with the air supply duct, the end away from the exhaust fan of the air supply duct is connected with the outer wall of the dehumidification box, the inside of the dehumidification box above the air supply duct is equipped with the net rack, the top of the net rack is installed with the breathable moisture absorption filter cotton, the outer wall of the dehumidification box above the breathable moisture absorption filter cotton is equipped with the return duct, the end away from the dehumidification box of the return duct extends to the inside of the drying box, the outer wall on one side of the cabinet is installed with the control panel, the output end of the singlechip in the control panel is electrically connected with the input end of the exhaust fan and the heating pipe respectively.

[0006] Preferably, the center position of the top of the top plate is installed with the lifting drive, the input end of the lifting drive is electrically connected with the output end of the singlechip in the control panel, and the bottom end of the lifting drive penetrates through the top plate and is connected with the top end of the box cover. Through the setting of the lifting drive, the box cover is driven to lift.

[0007] Preferably, the inside of the top plate on both sides of the lifting drive is equipped with the guide cylinder, and both ends of the guide cylinder extend to the outside of the top plate. Through the setting of the guide cylinder, the guide rod is movably arranged.

[0008] Preferably, the inside of the guide cylinder is movably connected with the guide rod, both ends of the guide rod extend to the outside of the guide cylinder, and the bottom end of the guide rod is fixedly connected with the top end of the box cover. Through the up-down sliding of the guide rod in the guide cylinder, the movement amplitude of the box cover is limited.

[0009] Preferably, the upper end of the dehumidification box is movably installed with the pressing plate, and the outer wall of the pressing plate is in contact with the inner wall of the dehumidification box. Through the setting of the pressing plate, the breathable moisture absorption filter cotton is extruded for dewatering treatment.

[0010] Preferably, the top end of the dehumidification box is provided with a pneumatic cylinder, the input end of the pneumatic cylinder is electrically connected with the output end of the single-chip microcomputer in the control panel, and the bottom end of the pneumatic cylinder extends to the inside of the dehumidification box and is connected with the top end of the pressing plate.

[0011] Compared with the prior art, the nuclear power plant wet waste drying device not only improves the drying efficiency of the wet waste during use of the drying device, but also guarantees the air moisture absorption effect of the air-permeable moisture-absorbing filter cotton and the drying effect of the wet waste during use of the drying device, and improves the convenience during use of the drying device.

[0012] (1) The air inside the drying box is sucked into the inside of the dehumidification box through the air suction pipeline by the air suction fan, and the air is moved upwards, and the air-permeable moisture-absorbing filter cotton absorbs the moisture in the air, and then the dehumidified air flows into the drying box through the return pipeline, so that the air inside the drying box is circularly dehumidified, the inside of the drying box is kept in a dry state, and the drying efficiency of the wet waste during use of the drying device is improved.

[0013] (2) The pressing plate is extruded to the air-permeable moisture-absorbing filter cotton by the pneumatic cylinder, so that the moisture absorbed by the air-permeable moisture-absorbing filter cotton is mechanically extruded and removed, thereby guaranteeing the air moisture absorption effect of the air-permeable moisture-absorbing filter cotton.

[0014] (3) The box cover is driven to ascend and descend by the lifting driving piece, so that the box cover drives the guide rod to slide in the inside of the guide cylinder, so that the box cover is stably lifted to the top end of the drying box and is covered, so that the wet waste is put into the inside of the drying box for closed drying, thereby guaranteeing the drying effect of the wet waste during use of the drying device and improving the convenience during use of the drying device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a front view sectional structure schematic view of the utility model;

[0017] Figure 3 It is a three-dimensional structure schematic view of the utility model; Figure 2 It is an enlarged structure schematic view of A in the utility model;

[0018] Figure 4 It is a drying box bottom view structure schematic view of the utility model.

[0019] In the figure: 1, cabinet; 2, cabinet door; 3, bottom plate; 4, stand; 5, top plate; 6, base; 7, drying box; 701, transparent observation window; 8, box cover; 9, guide cylinder; 10, guide rod; 11, lifting drive; 12, control panel; 13, placing rack; 14, exhaust fan; 15, exhaust duct; 16, air supply duct; 17, dehumidifying box; 18, mesh rack body; 19, breathable moisture-absorbing filter cotton; 20, pressing plate; 21, air cylinder; 22, return duct; 23, heating pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides an embodiment: a kind of drying device of nuclear power plant wet waste, including cabinet 1, the surface of cabinet 1 is equipped with cabinet door 2, the top of cabinet 1 is equipped with bottom plate 3, the corner position of the top of bottom plate 3 is equipped with stand 4, the top of several stands 4 is fixed with top plate 5, the center position of the top of top plate 5 is installed lifting drive 11, the input end of lifting drive 11 is electrically connected with the output end of control panel 12 inside single-chip microcomputer, the bottom end of lifting drive 11 penetrates top plate 5 and is connected with the top of box cover 8;

[0022] When using, the setting of lifting drive 11 is to drive box cover 8 to lift and process;

[0023] The inside of top plate 5 on the two sides of lifting drive 11 is equipped with guide cylinder 9, and both ends of guide cylinder 9 extend to the outside of top plate 5.

[0024] When using, the setting of guide cylinder 9 is to movably arrange guide rod 10.

[0025] Guide rod 10 is movably connected in guide cylinder 9, both ends of guide rod 10 extend to the outside of guide cylinder 9, and the bottom end of guide rod 10 is fixedly connected with the top of box cover 8.

[0026] When using, guide rod 10 is slid up and down in the inside of guide cylinder 9 to limit the movement amplitude of box cover 8.

[0027] The bottom plate 3 top end center position is equipped with the base 6, the base 6 top end is equipped with drying box 7, the surface of drying box 7 is equipped with transparent observation window 701, the upper of drying box 7 is equipped with box cover 8, the bottom end of box cover 8 and the top end of drying box 7 touch, the bottom of box cover 8 center position is installed with heating pipe 23, the bottom of one side of cabinet 1 is equipped with the piece rack 13, the bottom of one side of cabinet 1 is equipped with the dehumidification box 17 of piece rack 13, the upper end of dehumidification box 17 inside is movably installed with the pressing plate 20, the outer wall of pressing plate 20 and the inner wall of dehumidification box 17 touch.

[0028] In use, the setting of the pressing plate 20 is used to extrude the breathable moisture absorption filter cotton 19 for dewatering treatment.

[0029] The top end of dehumidification box 17 is installed with air cylinder 21, the input end of air cylinder 21 and the output end of single-chip microcomputer inside control panel 12 are electrically connected, the bottom end of air cylinder 21 extends to the inside of dehumidification box 17 and is connected with the top end of pressing plate 20.

[0030] In use, the setting of the air cylinder 21 is used to drive the pressing plate 20 for lifting treatment.

[0031] The top end of piece rack 13 is installed with the exhaust fan 14, one end of exhaust fan 14 is installed with the exhaust duct 15, the end of exhaust duct 15 away from exhaust fan 14 extends to the inside of drying box 7, the other end of exhaust fan 14 is installed with the air supply duct 16, the end of air supply duct 16 away from exhaust fan 14 is connected with the outer wall of dehumidification box 17, the inside of dehumidification box 17 above air supply duct 16 is equipped with the net rack 18, the top end of net rack 18 is installed with the breathable moisture absorption filter cotton 19, the outer wall of dehumidification box 17 above breathable moisture absorption filter cotton 19 is equipped with the backflow duct 22, the end of backflow duct 22 away from dehumidification box 17 extends to the inside of drying box 7, the outer wall of one side of cabinet 1 is installed with control panel 12, the output end of single-chip microcomputer inside control panel 12 is electrically connected with the input end of exhaust fan 14 and heating pipe 23 respectively.

[0032] In use, the embodiment of the present application first drives the box cover 8 to lift by the lifting driving part 11, so that the box cover 8 drives the guide rod 10 to slide in the inside of the guide cylinder 9, so that the box cover 8 stably lifts to the top of the drying box 7 to cover, so as to easily put the wet waste in the inside of the drying box 7 to close drying, when the inside of the drying box 7 is heated by the heating pipe 23 with specified power, the water vapor in the wet waste can be evaporated, so as to easily dry the wet waste, then the inside air of the drying box 7 is sucked to the inside of the dehumidification box 17 by the air suction machine 14 through the air suction pipeline 15, the air is moved upward, the moisture in the air is absorbed by the air-permeable moisture absorption filter cotton 19, then the dehumidified air flows into the drying box 7 through the backflow pipeline 22, the inside air of the drying box 7 is circulated and dehumidified, so as to keep the inside of the drying box 7 dry, improve the drying efficiency of the wet waste, finally the pressing plate 20 is driven downward by the air cylinder 21, so that the pressing plate 20 extrudes the air-permeable moisture absorption filter cotton 19, the moisture absorbed by the air-permeable moisture absorption filter cotton 19 is mechanically extruded and removed, so as to ensure the absorption effect of the air-permeable moisture absorption filter cotton 19 on the moisture in the air, thereby completing the use of the drying device.

Claims

1. A drying apparatus for wet waste from a nuclear power plant, characterized in that: The system includes a cabinet (1), with cabinet doors (2) installed on the surface of the cabinet (1). A base plate (3) is provided at the top of the cabinet (1). A column (4) is provided at the corner of the top of the base plate (3). A top plate (5) is fixed to the top of several columns (4). A base (6) is provided at the center of the top of the base plate (3). A drying oven (7) is provided at the top of the base (6). A transparent observation window (701) is provided on the surface of the drying oven (7). The drying oven (7) is provided with a lid (8) on top, the bottom of which touches the top of the drying oven (7). A heating tube (23) is installed at the center of the bottom of the lid (8). A component rack (13) is provided on one side of the bottom of the cabinet (1). A dehumidifying box (17) is provided at the bottom of the cabinet (1) on one side of the component rack (13). An exhaust fan (14) is installed at the top of the component rack (13). One end of the exhaust fan (14) An exhaust duct (15) is installed, with one end of the exhaust duct (15) away from the exhaust fan (14) extending into the interior of the drying chamber (7). An air supply duct (16) is installed at the other end of the exhaust fan (14), with the end of the air supply duct (16) away from the exhaust fan (14) connected to the outer wall of the dehumidification chamber (17). A mesh frame (18) is installed inside the dehumidification chamber (17) above the air supply duct (16). The top of the mesh frame (18) is fitted with... The dehumidifier is equipped with a breathable and moisture-absorbing filter cotton (19). A return pipe (22) is provided on the outer wall of the dehumidifier box (17) above the breathable and moisture-absorbing filter cotton (19). The end of the return pipe (22) away from the dehumidifier box (17) extends into the interior of the drying box (7). A control panel (12) is installed on the outer wall of one side of the cabinet (1). The output terminal of the microcontroller inside the control panel (12) is electrically connected to the input terminal of the exhaust fan (14) and the heating tube (23).

2. The drying apparatus for wet waste from a nuclear power plant according to claim 1, characterized in that: A lifting drive unit (11) is installed at the center of the top of the top plate (5). The input end of the lifting drive unit (11) is electrically connected to the output end of the microcontroller inside the control panel (12). The bottom end of the lifting drive unit (11) passes through the top plate (5) and is connected to the top of the box cover (8).

3. A drying apparatus for wet waste from a nuclear power plant according to claim 2, characterized in that: The top plates (5) on both sides of the lifting drive (11) are provided with guide cylinders (9), and both ends of the guide cylinders (9) extend to the outside of the top plates (5).

4. A drying apparatus for wet waste from a nuclear power plant according to claim 3, characterized in that: The guide cylinder (9) is movably connected to a guide rod (10), both ends of which extend to the outside of the guide cylinder (9), and the bottom end of the guide rod (10) is fixedly connected to the top end of the box cover (8).

5. A drying apparatus for wet waste from a nuclear power plant according to claim 1, characterized in that: A pressure plate (20) is movably installed at the upper end of the dehumidification box (17), and the outer wall of the pressure plate (20) contacts the inner wall of the dehumidification box (17).

6. A drying apparatus for wet waste from a nuclear power plant according to claim 5, characterized in that: A cylinder (21) is installed at the top of the dehumidification box (17). The input end of the cylinder (21) is electrically connected to the output end of the microcontroller inside the control panel (12). The bottom end of the cylinder (21) extends into the interior of the dehumidification box (17) and is connected to the top of the pressure plate (20).

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