Aerogel supercritical fluid drying device
By designing a supercritical fluid drying device for aerogel that maintains temperature using a heating tank and insulation cotton, the problem of existing devices being unable to provide a good temperature environment was solved, thus achieving effective drying of aerogel.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-04-10
AI Technical Summary
Existing drying equipment cannot provide a good temperature environment under supercritical conditions, resulting in poor drying effect of aerogel.
An aerogel supercritical fluid drying device was designed, comprising a heating tank, a reaction vessel, and a collection tank. The temperature is maintained by heating rods and insulation cotton to ensure that CO2 gas reaches a supercritical state and replaces water in the aerogel. Drying is achieved using coils and drain pipes.
Effective aerogel drying under supercritical conditions was achieved, avoiding structural damage and ensuring the drying effect.
Smart Images
Figure CN224100657U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to drying technical field, concretely relates to a kind of aerogel supercritical fluid drying device. BACKGROUND
[0002] Supercritical drying is a method for drying porous materials. It can be combined with sol-gel method to prepare nano-porous materials. The basic principle of supercritical drying is that there is no interface between gas and liquid in supercritical state, but a uniform fluid between gas and liquid. This fluid is gradually discharged from the gel, and since there is no gas-liquid interface, there is no capillary force, so it will not cause the shrinkage and destruction of the gel structure. Until all the fluid is discharged from the gel, finally get the material filled with gas, with nano-porous structure. However, the temperature of the equipment needs to be maintained at a high temperature all the time. Currently, some drying devices cannot provide a good temperature environment, resulting in poor drying effect of supercritical fluid. SUMMARY
[0003] To solve the problems in the prior art, the utility model provides an aerogel supercritical fluid drying device.
[0004] To achieve the above purpose, the utility model provides the following technical scheme:
[0005] An aerogel supercritical fluid drying device, comprising a first gas storage tank, a first reaction kettle and a first collection tank. The upper end of the first gas storage tank is provided with a first discharge port. The upper end of the first reaction kettle is provided with a first feeding port. The first discharge port and the first feeding port are connected by a first connecting pipe. The first connecting pipe is provided with a first valve. The upper end of the first reaction kettle is provided with a second discharge port. The upper end of the first collection tank is provided with a second feeding port. The second discharge port and the second feeding port are connected by a second connecting pipe. The first collection tank is provided with a first partition plate. The first partition plate divides the first collection tank into a first cavity and a second cavity. The first cavity is provided with a first coil pipe. One end of the first coil pipe is connected with the second feeding port. The lower end of the first coil pipe is provided with a first drain pipe through the first partition plate.
[0006] Further, the upper end of the first coil pipe is provided with a first circulating pipe through the first collection tank. The first coil pipe is connected with the first circulating pipe. The upper end of the first gas storage tank is provided with a second circulating pipe. The first circulating pipe and the second circulating pipe are connected by a third connecting pipe.
[0007] Further, the first connecting pipe is provided with a first heating tank, the first heating tank is internally provided with a first heating copper pipe, the first heating copper pipe is spirally arranged, the first heating tank is internally provided with a plurality of first heating rods, and the first heating rods are arranged around the first heating copper pipe.
[0008] Further, the first reaction kettle is externally provided with a first heat preservation tank body, the first heat preservation tank body and the first reaction kettle are provided with quartz heat preservation cotton therebetween, the first reaction kettle is internally provided with a second heating rod, the first reaction kettle is internally provided with a first support frame, and the first support frame is provided with a plurality of first trays.
[0009] Further, the front end of the first reaction kettle is provided with a first mounting frame, both ends of the first mounting frame are provided with first guide rods, the rear end of the first mounting frame is provided with a first lifting frame, both ends of the first lifting frame are provided with first sleeves, the first sleeves correspond to the first guide rods, the middle part of the first mounting frame is provided with a first hydraulic cylinder, the first hydraulic cylinder is connected with the first lifting frame, the first reaction kettle comprises a first tank body and a first tank cover, the first tank cover is connected with the first lifting frame, the upper end of the first tank body is provided with a first connecting disc, the lower end of the first tank cover is provided with a second connecting disc, the inner side of the first connecting disc is provided with a first ring groove, the inner side of the second connecting disc is provided with a first ring convex, the first ring groove is matched with the first ring convex, the outer side of the first connecting disc is provided with a second ring convex, the outer side of the second connecting disc is provided with a second ring groove, and the second ring groove is matched with the second ring convex.
[0010] The aerogel supercritical fluid drying device has the beneficial effects that the first heating rods in the first heating tank and the second heating rods in the first reaction kettle guarantee the supercritical fluid state of CO2 gas, and CO2 can replace and fully occupy the moisture in the aerogel, thereby achieving good drying effect. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 is a structural schematic view of the preferred embodiment provided by the utility model.
[0012] Figure 2 is a structural schematic view of the first heating tank of the preferred embodiment provided by the utility model.
[0013] Figure 3 is a structural schematic view of the first collection tank of the preferred embodiment provided by the utility model.
[0014] Figure 4 is a structural schematic view of the first reaction kettle of the preferred embodiment provided by the utility model.
[0015] Figure 5Part A of the preferred embodiment provided by the utility model is a structure schematic view.
[0016] The reference signs include: 100, first gas storage tank; 110, first discharge port; 120, second circulating pipe; 200, first reaction kettle; 210, first heat preservation tank; 220, quartz heat preservation cotton; 221, second heating rod; 230, first tank body; 240, second connecting disc; 241, first ring convex; 242, second ring groove; 250, first connecting disc; 251, first ring groove; 252, second ring convex; 260, first mounting frame; 261, first guide rod; 270, first lifting frame; 280, first support frame; 281, first tray; 291, first feeding port; 292, second discharge port; 300, first collecting tank; 310, first partition plate; 320, first coil pipe; 321, first drain pipe; 330, second feeding port; 340, first circulating pipe; 400, first heating tank; 410, first heating copper pipe; 420, first heating rod; 510, first connecting pipe; 520, second connecting pipe; 530, third connecting pipe. DETAILED DESCRIPTION
[0017] The utility model discloses a kind of aerogel supercritical fluid drying devices, below combining preferred embodiment, the specific implementation of the utility model is further described.
[0018] Refer to the structure schematic view of the preferred embodiment provided by the utility model, Figures 1-5 , Figure 1 The structure schematic view of the preferred embodiment provided by the utility model, Figure 2 The structure schematic view of the first collecting tank 300 of the preferred embodiment provided by the utility model, Figure 3 The structure schematic view of the first reaction kettle 200 of the preferred embodiment provided by the utility model, Figure 4 The structure schematic view of the preferred embodiment provided by the utility model, Figure 5 The structure schematic view of the preferred embodiment provided by the utility model,
[0019] Preferred embodiment.
[0020] The embodiment provides an aerogel supercritical fluid drying device, which comprises a first gas storage tank 100, a first reaction kettle 200 and a first collecting tank 300, the upper end of the first gas storage tank 100 is provided with a first discharge port 110, the upper end of the first reaction kettle 200 is provided with a first feeding port 291, the first discharge port 110 and the first feeding port 291 are connected through a first connecting pipe 510, the first connecting pipe 510 is provided with a first valve, the upper end of the first reaction kettle 200 is provided with a second discharge port 292, the upper end of the first collecting tank 300 is provided with a second feeding port 330, the second discharge port 292 and the second feeding port 330 are connected through a second connecting pipe 520, the first collecting tank 300 is provided with a first partition plate 310, the first partition plate 310 divides the first collecting tank 300 into a first cavity and a second cavity, the first cavity is provided with a first coil pipe 320, one end of the first coil pipe 320 is connected with the second feeding port 330, and the lower end of the first coil pipe 320 is provided with a first drain pipe 321 penetrating through the first partition plate 310.
[0021] Further, the upper end of the first coil pipe 320 is provided with a first circulating pipe 340 penetrating through the first collecting tank 300, the first coil pipe 320 is connected with the first circulating pipe 340, the upper end of the first gas storage tank 100 is provided with a second circulating pipe 120, and the first circulating pipe 340 and the second circulating pipe 120 are connected through a third connecting pipe 530.
[0022] Further, the first connecting pipe 510 is provided with a first heating tank 400, the first heating tank 400 is provided with a first heating copper pipe 410, the first heating copper pipe 410 is spirally arranged, the first heating tank 400 is provided with a plurality of first heating rods 420, and the first heating rods 420 are arranged around the first heating copper pipe 410.
[0023] Further, the first reaction kettle 200 is externally provided with a first heat preservation tank body, the first heat preservation tank body and the first reaction kettle 200 are provided with quartz heat preservation cotton 220, the first reaction kettle 200 is provided with a second heating rod 221, the first reaction kettle 200 is provided with a first support frame 280, and the first support frame 280 is provided with a plurality of first trays 281.
[0024] Further, the front end of the first reactor 200 is provided with a first mounting frame 260, both ends of the first mounting frame 260 are provided with first guide rods 261, the rear end of the first mounting frame 260 is provided with a first lifting frame 270, both ends of the first lifting frame 270 are provided with first sleeves, the first sleeves correspond to the first guide rods 261 one by one, the middle part of the first mounting frame 260 is provided with a first hydraulic cylinder, the first hydraulic cylinder is connected with the first lifting frame 270, the first reactor 200 comprises a first tank body 230 and a first tank cover, the first tank cover is connected with the first lifting frame 270, the upper end of the first tank body 230 is provided with a first connecting disc 250, the lower end of the first tank cover is provided with a second connecting disc 240, the inner side of the first connecting disc 250 is provided with a first ring groove 251, the inner side of the second connecting disc 240 is provided with a first ring convex 241, the first ring groove 251 matches the first ring convex 241, the outer side of the first connecting disc 250 is provided with a second ring convex 252, the outer side of the second connecting disc 240 is provided with a second ring groove 242, the second ring groove 242 matches the second ring convex 252.
[0025] Working principle: the first tank cover is pushed by the first hydraulic cylinder, the aerogel material is placed on the first tray 281, and then the first tank cover is pushed by the first hydraulic cylinder to cover the first tank body 230, the first ring convex 241 is inserted into the first sliding groove, and the second ring convex 252 is inserted into the second sliding groove, so that the double staggered arrangement can ensure the sealing of the first reactor 200. The first gas storage tank 100 is connected with CO2 gas through the first heating tank 400, the first heating rod 420 is heated, the first heating copper pipe 410 can be quickly heated to make the CO2 gas reach a supercritical state, and then enter the first reactor 200 through the first connecting pipe 510, so that the aerogel is dried in a supercritical state. The CO2 gas replaces the moisture in the aerogel and carries the moisture out to enter the first coil pipe 320, and then the moisture is condensed by water heat absorption in the first cavity and enters the second cavity through the first drain pipe 321. In addition, the temperature in the first reactor 200 can be ensured by setting the quartz heat preservation cotton 220 between the first tank body 230 and the first heat preservation tank body, and cooperating with the heating of the second heating rod 221. The first connecting pipe 510, the second connecting pipe 520 and the third connecting pipe 530 are all provided with control valves for controlling the on-off of the first connecting pipe 510, the second connecting pipe 520 and the third connecting pipe 530, so as to ensure the use of CO2 gas.
[0026] It is worth mentioning that the first hydraulic cylinder and other technical features involved in the utility model patent application should be regarded as the prior art, the specific structure, working principle and possible control mode, spatial arrangement mode of these technical features can be selected by using the conventional selection in the field, and should not be regarded as the utility model point of the utility model patent, and the utility model patent will not be further expanded and described in detail.
[0027] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, as long as any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model is included in the protection scope of the utility model.
Claims
1. An aerogel supercritical fluid drying apparatus, characterized by, The utility model relates to a first gas storage tank (100), first reaction cauldron (200) and first collection tank (300) are included, the upper end of first gas storage tank (100) is equipped with first discharge gate (110), the upper end of first reaction cauldron (200) is equipped with first feeding port (291), and first discharge gate (110) is connected with first feeding port (291) through first connecting pipe (510), and first connecting pipe (510) is equipped with first valve, and the upper end of first reaction cauldron (200) is equipped with second discharge gate (292), and the upper end of first collection tank (300) is equipped with second feeding port (330), and second discharge gate (292) is connected with second feeding port (330) through second connecting pipe (520), and first collection tank (300) is equipped with first baffle (310), and first baffle (310) divides first collection tank (300) into first cavity and second cavity, and first cavity is equipped with first coil pipe (320), and one end of first coil pipe (320) is connected with second feeding port (330), and the lower end of first coil pipe (320) is equipped with first drain pipe (321) through first baffle (310).
2. The aerogel supercritical fluid drying apparatus of claim 1, wherein, The upper end of first coil pipe (320) is equipped with first circulating pipe (340) through first collection tank (300), and first coil pipe (320) is connected with first circulating pipe (340), and the upper end of first gas storage tank (100) is equipped with second circulating pipe (120), and first circulating pipe (340) and second circulating pipe (120) are connected through third connecting pipe (530).
3. The aerogel supercritical fluid drying apparatus of claim 2, wherein, First heating tank (400) is equipped on first connecting pipe (510), first heating copper pipe (410) is equipped in first heating tank (400), first heating copper pipe (410) is spirally arranged, and a plurality of first heating rods (420) are equipped in first heating tank (400), and first heating rods (420) are arranged around first heating copper pipe (410).
4. The aerogel supercritical fluid drying apparatus of claim 3, wherein, First reaction cauldron (200) is equipped with first heat preservation tank body, and quartz heat preservation cotton (220) is arranged between first heat preservation tank body and first reaction cauldron (200), second heating rod (221) is arranged in first reaction cauldron (200), first reaction cauldron (200) is equipped with first support frame (280), and a plurality of first trays (281) are arranged on first support frame (280).
5. The aerogel supercritical fluid drying apparatus of claim 4, wherein, The front end of the first reaction kettle (200) is provided with a first mounting frame (260), both ends of the first mounting frame (260) are provided with first guide rods (261), the rear end of the first mounting frame (260) is provided with a first lifting frame (270), both ends of the first lifting frame (270) are provided with first sleeves, the first sleeves correspond to the first guide rods (261) one by one, the middle part of the first mounting frame (260) is provided with a first hydraulic cylinder, the first hydraulic cylinder is connected with the first lifting frame (270), the first reaction kettle (200) comprises a first tank body (230) and a first tank cover, the first tank cover is connected with the first lifting frame (270), the upper end of the first tank body (230) is provided with a first connecting disc (250), the lower end of the first tank cover is provided with a second connecting disc (240), the inner side of the first connecting disc (250) is provided with a first ring groove (251), the inner side of the second connecting disc (240) is provided with a first ring convex (241), the first ring groove (251) is matched with the first ring convex (241), the outer side of the first connecting disc (250) is provided with a second ring convex (252), the outer side of the second connecting disc (240) is provided with a second ring groove (242), and the second ring groove (242) is matched with the second ring convex (252).