Supercritical drying kettle

By designing and improving the structure of the supercritical drying vessel, rapid transfer and cooling of dried materials were achieved, solving the problem of long cooling time in existing technologies and improving drying efficiency and practicality.

CN223596374UActive Publication Date: 2025-11-25LIAONING BAOYUAN CHEM EQUIP MFG CO LTD
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Patent Information

Application Number
CN202423256849.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-29
Publication Date
2025-11-25
Estimated Expiration
2034-12-29

AI Technical Summary

Technical Problem

Existing supercritical drying kettles require a long cooling period after drying, which affects the drying efficiency and practicality of impregnated insulation materials.

Method used

A supercritical drying autoclave was designed. The top plate and vertical plate are moved by an electric cylinder to quickly transfer the dried material to the outside of the autoclave for cooling. A fan and laser lamp are used to assist in sealing to ensure the continuity of the drying process inside the autoclave.

Benefits of technology

It improves the drying efficiency and practicality of impregnated insulation materials, shortens the cooling time, and ensures the continuity of the drying process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a supercritical drying kettle which comprises a base and a supercritical drying kettle body, the supercritical drying kettle body is fixedly installed on the base, the middle position of the top end of the base is rotationally connected with a rotating seat, the top end of the rotating seat is fixedly connected with a square pipe, a square column is arranged in the square pipe in a sliding mode, and the top end of the square column is fixedly connected with a top plate. Two electric cylinders are installed between the top plate and the rotating seat, sealing covers matched with the supercritical drying kettle are symmetrically and fixedly connected to the bottom end of the top plate, two vertical plates are symmetrically and fixedly connected to the bottom ends of the sealing covers, sliding grooves are formed in the opposite ends of the two vertical plates, a plurality of screen frames are arranged between the two vertical plates, and two sliding strips are fixedly connected to the screen frames; and the sliding strips are in sliding fit with the corresponding sliding grooves correspondingly, so that the dried impregnated thermal insulation material can be conveniently moved to the exterior of the supercritical drying kettle to be cooled, the impregnated thermal insulation material can be continuously dried while cooling is conducted, and the drying efficiency of the impregnated thermal insulation material is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to supercritical drying kettle technical field, more specifically, it relates to a supercritical drying kettle. BACKGROUND

[0002] When adopting the ethanol supercritical method to produce aerogel, the supercritical drying kettle is needed to separate the ethanol in the heat insulation material after impregnation by supercritical technology. During the drying process, the heat insulation material after impregnation needs to be dried in the kettle for 6-12 hours. The working temperature of the supercritical drying kettle needs to be kept at 260-270 DEG C, and the working pressure needs to be kept at 16 MPa. The supercritical drying kettle used in the prior art for producing aerogel by the ethanol supercritical method is mostly a jacket heating kettle, that is, a heat conduction oil heating jacket is arranged on the outer wall of the kettle body, and high-temperature heat conduction oil is used to heat the kettle body so as to keep the working temperature in the kettle.

[0003] After the heat insulation material after impregnation is dried, the inside of the supercritical drying kettle needs to be cooled down before the dried heat insulation material after impregnation can be taken out, which needs a long time, thereby affecting the drying efficiency of the heat insulation material after impregnation and reducing the practicality of use. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art, the utility model provides a supercritical drying kettle to solve the technical problem that the inside of the supercritical drying kettle needs to be cooled down before the dried heat insulation material after impregnation can be taken out, which needs a long time, thereby affecting the drying efficiency of the heat insulation material after impregnation and reducing the practicality of use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a supercritical drying kettle, including base and supercritical drying kettle, the supercritical drying kettle is fixedly installed on the base, the base top end middle position rotation is connected with the rotary seat, the rotary seat's top end fixedly connected with the square tube, the square tube's inside slides and sets up the square column, the square column's top end fixedly connected with the top plate, and the top plate is installed with two electric cylinders between the rotary seat, the bottom of the top plate is fixedly connected with the sealing cover matched with the supercritical drying kettle, the bottom of the sealing cover is fixedly connected with two vertical boards, two vertical boards opposite one end are all provided with the sliding slot, the middle of two vertical boards is provided with a plurality of net frames, the net frame is fixedly connected with two slide bars, two slide bars are respectively with the corresponding sliding slot sliding fit, convenient for the dried heat insulation material after impregnation to move to the outside of the supercritical drying kettle and cool down, and the heat insulation material after impregnation can be dried at the same time of cooling down, the drying efficiency of the heat insulation material after impregnation is improved, and the practicality of use is improved.

[0006] The utility model further sets up, the top end middle position of base is fixedly connected with fixed seat, the top of fixed seat is provided with rotation groove, rotation seat is rotatably connected with rotation groove, the outside of rotation seat is fixedly connected with gear ring, motor is installed on the base, the output of motor is fixedly connected with gear, gear is engaged with gear ring, and it is convenient to rotate rotation seat and top plate.

[0007] The utility model further sets up, the position that corresponds with a plurality of sliding slot is all provided with threaded hole on the vertical board, the inside of a plurality of threaded holes all is fixedly connected with fixed screw, it is convenient to fix net frame.

[0008] The utility model further sets up, the top of supercritical drying kettle is provided with sealing groove, the bottom of sealing cover is fixedly connected with the sealing ring that is suitable for sealing groove, guarantees the sealing property that sealing cover is connected with supercritical drying kettle.

[0009] The utility model further sets up, the section of sealing groove and sealing ring all sets up as trapezoidal, it is convenient for the side wall of sealing ring and the side wall of sealing groove to be close.

[0010] The utility model further sets up, the top end of base is fixedly connected with the air extraction box that removes away from supercritical drying kettle one side, installs the air draught fan on blowing -off box, evenly sets up a plurality of air extraction openings on air extraction box, installs the exhaust pipe on the position that air extraction box corresponds with air draught fan, it is convenient to cool down the heat -insulating material of impregnated rubber after drying.

[0011] The utility model further sets up, the bottom of top plate is installed with two laser lamps and lights symmetrically, emits laser through laser lamp and light.

[0012] The utility model further sets up, the top of base is fixedly connected with the positioning column that cooperates with laser lamp and light, it is convenient to position the position of top plate.

[0013] Beneficial effect:

[0014] Compared with the prior art, the utility model provides supercritical drying kettle, has the following beneficial effects:

[0015] 1, after drying the heat -insulating material of impregnated rubber, through two electric cylinders, push top plate and move upwards, make two vertical boards shift to the upside of supercritical drying kettle, then rotate rotation seat and top plate, make the heat -insulating material of impregnated rubber after drying shift to the outside of supercritical drying kettle, and make two vertical boards, a plurality of net frames and the heat -insulating material of impregnated rubber to be dried on another side of top plate shift to the upside of supercritical drying kettle, then through electric cylinder, pull top plate and move downwards, make the heat -insulating material of impregnated rubber shift to the inside of supercritical drying kettle and carry out drying treatment, can continue to dry the heat -insulating material of impregnated rubber during drying, improve the efficiency of the heat -insulating material of impregnated rubber drying, improve its practicality of use.

[0016] 2, start the exhaust fan, the corresponding two vertical plate and the air around the plurality of net frame will be extracted to the inside of the exhaust box through the plurality of suction port, and through the exhaust pipe to the outside of the workshop, through the air flow around the two vertical plate and the net frame, the heat is taken away, so that the dried after the impregnated thermal insulation material in the net frame is cooled.

[0017] 3, the light emitted by the two laser lamps is vertically downward, when the light irradiates on the positioning column, the sealing cover on one side is just moved to the upper side of the supercritical drying kettle at this time, so as to facilitate the accurate alignment of the sealing cover and the supercritical drying kettle, and facilitate the accurate covering of the sealing cover on the supercritical drying kettle. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front structure schematic view of the supercritical drying kettle in the utility model;

[0019] Figure 2 It is a rear structure schematic view of the supercritical drying kettle in the utility model;

[0020] Figure 3 It is a structure schematic view of the connection of the base, the supercritical drying kettle and the fixing seat in the utility model;

[0021] Figure 4 It is a structure schematic view of the connection of the sealing cover, the sealing ring, the two vertical plates and the plurality of net frames in the utility model;

[0022] Figure 5 It is a structure schematic view of the connection of the base, the fixing seat, the rotating seat, the gear ring, the gear, the motor, the electric cylinder and the top plate in the utility model.

[0023] In the drawing: 1, base; 2, supercritical drying kettle; 3, rotating seat; 4, square tube; 5, square column; 6, top plate; 7, electric cylinder; 8, sealing cover; 9, vertical plate; 10, sliding groove; 11, net frame; 12, sliding bar; 13, fixing seat; 14, rotating groove; 15, gear ring; 16, motor; 17, gear; 18, threaded hole; 19, fixed screw; 20, sealing groove; 21, sealing ring; 22, exhaust box; 23, exhaust fan; 24, suction port; 25, exhaust pipe; 26, laser lamp; 27, positioning column. DETAILED DESCRIPTION

[0024] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0025] It should be noted that all technical and scientific terms used in the present application have the same meaning as that generally understood by those skilled in the art to which the present application belongs, unless otherwise specified.

[0026] In the utility model, unless otherwise indicated, the orientation such as "up, down" is generally directed to the direction shown in the drawings, or is directed to the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is generally directed to the left and right shown in the drawings; "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the utility model.

[0027] Please refer to Figures 1-5 A supercritical drying kettle, including base 1 and supercritical drying kettle 2, supercritical drying kettle 2 is fixedly installed on base 1, the top end of base 1 is rotatably connected with the middle position of rotary seat 3, the top end of rotary seat 3 is fixedly connected with square tube 4, square tube 4 is slidably provided with square column 5 in the inside, the top end of square column 5 is fixedly connected with top plate 6, two electric cylinders 7 are installed between top plate 6 and rotary seat 3, the bottom end of top plate 6 is fixedly connected with sealing cover 8 matched with supercritical drying kettle 2 in a symmetrical manner, the top end of supercritical drying kettle 2 is provided with sealing groove 20, the bottom end of sealing cover 8 is fixedly connected with sealing ring 21 matched with sealing groove 20, the cross section of sealing groove 20 and sealing ring 21 is all set as trapezoidal, sealing ring 21 is inserted into the inside of sealing groove 20, so that the side wall of sealing ring 21 is tightly attached to the side wall of sealing groove 20, the sealing property of the connection between sealing cover 8 and supercritical drying kettle 2 is ensured by sealing ring 21, the bottom end of sealing cover 8 is fixedly connected with two vertical plates 9 in a symmetrical manner, the opposite end of two vertical plates 9 is all provided with sliding groove 10, the middle of two vertical plates 9 is provided with multiple net frames 11, two sliding strips 12 are fixedly connected on net frame 11, two sliding strips 12 are respectively slidably matched with corresponding sliding groove 10, the position corresponding to multiple sliding grooves 10 on vertical plate 9 is all provided with screw hole 18, multiple screw holes 18 are all threadedly connected with fixing screws 19 in the inside, so as to facilitate the fixation of net frame 11.

[0028] Specific, by sliding the slide 12 in the inside of the chute 10, facilitate the installation of the net frame 11 in two vertical plate 9 between the appropriate position, after the installation of the impregnated heat insulation material to be dried to the inside of the supercritical drying oven 2, through the supercritical drying oven 2 to the impregnated heat insulation material drying process, after the impregnated heat insulation material drying, through two electric cylinder 7 push the top plate 6 up to move, make two vertical plate 9 move to the upper side of the supercritical drying oven 2, then rotate the rotating seat 3 and the top plate 6, make the dried impregnated insulation material to the outside of the supercritical drying oven 2, and make the top plate 6 on the other side of the two vertical plate 9, a plurality of net frame 11 and the impregnated heat insulation material to be dried to the directly above of the supercritical drying oven 2, then through the electric cylinder 7 pull the top plate 6 down to move, make the dry impregnated insulation material to the inside of the supercritical drying oven 2 drying process, during the drying period can continue to impregnated insulation material drying, improve the efficiency of the impregnated heat insulation material drying, improve its practicality.

[0029] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 5 , the top end of the base 1 is fixedly connected with the fixed seat 13, the top end of the fixed seat 13 is provided with the rotating groove 14, the rotating seat 3 is rotatably connected with the rotating groove 14, the outer portion of the rotating seat 3 is fixedly connected with the gear ring 15, the base 1 is provided with the motor 16, the output end of the motor 16 is fixedly connected with the gear 17, and the gear 17 is engaged with the gear ring 15.

[0030] Specifically, the motor 16 drives the gear 17 to rotate, the gear 17 drives the gear ring 15 and the rotating seat 3 to rotate, the rotating seat 3 drives the square tube 4, the square column 5, the two electric cylinders 7 and the top plate 6 to rotate, so as to facilitate the position exchange of the two sealing covers 8.

[0031] Please refer to Figure 1 and Figure 2 , the top end of the base 1 is fixedly connected with the air exhaust box 22 away from the supercritical drying oven 2, the air exhaust box is provided with the air exhaust fan 23, the air exhaust box 22 is uniformly provided with a plurality of air exhaust ports 24, the air exhaust box 22 is provided with the exhaust pipe 25 corresponding to the air exhaust fan 23, and the exhaust pipe 25 extends to the outside of the dust-free workshop or communicates with the external cooling equipment.

[0032] Specifically, the air exhaust fan 23 is started, the air around the corresponding two vertical plates 9 and the plurality of net frames 11 is exhausted to the inside of the air exhaust box 22, and the air flow around the two vertical plates 9 and the plurality of net frames 11 carries away heat, so as to cool the dried impregnated heat insulation material in the net frame 11.

[0033] Please refer to Figure 2The bottom end of the top plate 6 is symmetrically provided with two laser lamps 26, which emit laser light. The top end of the base 1 is fixedly connected with positioning columns 27 matched with the laser lamps 26, so as to facilitate the positioning of the position of the top plate 6.

[0034] Specifically, the light emitted by the two laser lamps 26 vertically irradiates downward. When the light irradiates on the positioning columns 27, the sealing cover 8 on one side is just moved to the upper side of the supercritical drying kettle 2, so as to facilitate the accurate alignment of the sealing cover 8 and the supercritical drying kettle 2, and facilitate the accurate covering of the sealing cover 8 on the supercritical drying kettle 2.

[0035] In summary, when the overall device is in use:

[0036] By sliding the slide bar 12 in the slide groove 10, the net frame 11 containing the impregnated heat insulation material to be dried is installed in the middle of the two vertical plates 9 at a suitable position, and then the fixing screw 19 is screwed to fix the slide bar 12, and the sealing cover 8, the two vertical plates 9 and the plurality of net frames 11 are moved to the upper side of the supercritical drying kettle 2. The top plate 6 is moved downward by the electric cylinder 7, so that the two vertical plates 9 and the plurality of net frames 11 are moved to the inside of the supercritical drying kettle 2, and the sealing cover 8 is covered on the supercritical drying kettle 2. The impregnated heat insulation material in the supercritical drying kettle 2 is dried. After the drying process is completed, the top plate 6 is moved upward by the two electric cylinders 7, so that the two vertical plates 9 are moved to the upper side of the supercritical drying kettle 2. The gear 17 is driven to rotate by the motor 16, and the gear ring 15 and the rotating seat 3 are driven to rotate by the gear 17, and the square tube 4, the square column 5, the two electric cylinders 7 and the top plate 6 are driven to rotate by the rotating seat 3, so that the light emitted by one laser lamp 26 irradiates on the positioning column 27. At this time, the top plate 6 is rotated by 180°, and the dried impregnated heat insulation material is moved to the position corresponding to the air exhaust box 22. The net frame 11 containing the impregnated heat insulation material to be dried is moved to the position corresponding to the supercritical drying kettle 2. The top plate 6 is moved downward by the electric cylinder 7, so that the two vertical plates 9 and the plurality of net frames 11 are moved to the inside of the supercritical drying kettle 2, and the sealing cover 8 is covered on the supercritical drying kettle 2. The new impregnated heat insulation material is dried by the supercritical drying kettle 2. At this time, the impregnated heat insulation material after the drying process is moved to the position corresponding to the air exhaust box 22. Then the air exhaust fan 23 is started, and the air around the two vertical plates 9 and the plurality of net frames 11 is exhausted to the inside of the air exhaust box 22 through the plurality of air exhaust ports. The heat is taken away by the air flow around the two vertical plates 9 and the net frame 11, so as to cool the dried impregnated heat insulation material in the net frame 11. After cooling, the net frame 11 is disassembled, and then the net frame 11 containing the impregnated heat insulation material to be dried is installed in the middle of the two vertical plates 9, so as to ensure the continuity of the work of the supercritical drying kettle 2 and improve the efficiency of the work.

[0037] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection mode, which will not be described here. In the above, whenever there is a fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A supercritical drying oven comprising a base (1) and a supercritical drying oven (2), characterized in that: The supercritical drying kettle (2) is fixedly installed on the base (1), the middle of the top of the base (1) is rotatably connected with a rotating seat (3), the top of the rotating seat (3) is fixedly connected with a square tube (4), the inside of the square tube (4) is slidably provided with a square column (5), the top of the square column (5) is fixedly connected with a top plate (6), two electric cylinders (7) are installed between the top plate (6) and the rotating seat (3), the bottom of the top plate (6) is fixedly connected with two sealing covers (8) matched with the supercritical drying kettle (2) in a symmetrical manner, the bottom of the sealing cover (8) is fixedly connected with two vertical plates (9) in a symmetrical manner, the two vertical plates (9) are provided with sliding grooves (10) at opposite ends, a plurality of mesh frames (11) are arranged in the middle of the two vertical plates (9), two sliding strips (12) are fixedly connected to the mesh frames (11), and the two sliding strips (12) are in sliding fit with the corresponding sliding grooves (10) respectively.

2. A supercritical drying oven according to claim 1, characterized in that: The top of the base (1) is fixedly connected with a fixed seat (13), the top of the fixed seat (13) is provided with a rotating groove (14), the rotating seat (3) is rotatably connected with the rotating groove (14), the outside of the rotating seat (3) is fixedly connected with a gear ring (15), the base (1) is provided with a motor (16), the output end of the motor (16) is fixedly connected with a gear (17), and the gear (17) is engaged with the gear ring (15).

3. The supercritical drying oven according to claim 1, wherein: The vertical plate (9) is provided with a threaded hole (18) at a position corresponding to the plurality of sliding grooves (10), and the plurality of threaded holes (18) are threadedly connected with fixed screws (19) in the inside.

4. The supercritical drying oven of claim 1, wherein: The top of the supercritical drying kettle (2) is provided with a sealing groove (20), and the bottom of the sealing cover (8) is fixedly connected with a sealing ring (21) matched with the sealing groove (20).

5. A supercritical drying oven according to claim 4, characterised in that: The cross sections of the sealing groove (20) and the sealing ring (21) are all trapezoidal.

6. A supercritical drying oven according to claim 1, characterized in that: The top of the base (1) is fixedly connected with a blowing box (22) away from the supercritical drying kettle (2), the blowing box is provided with a blowing fan (23), a plurality of blowing openings (24) are uniformly arranged on the blowing box (22), and an exhaust pipe (25) is arranged on the blowing box (22) and the blowing fan (23).

7. A supercritical drying oven according to claim 1, characterized in that: The bottom of the top plate (6) is symmetrically provided with two laser lamps (26).

8. A supercritical drying oven according to claim 7, characterised in that: The top of the base (1) is fixedly connected with a positioning column (27) matched with the laser lamp (26).