Hydrothermal reaction kettle for preparing carbon dots

Abstract

The utility model discloses a hydrothermal reaction kettle for carbon dot preparation, which relates to the field of carbon dot preparation, and comprises a barrel main body, a bottom cover is connected to the inner bottom surface of the barrel main body, a sealing cover is connected to the top of the barrel main body, a power-assisted rod is connected to the top of the sealing cover, and an inner bottle is arranged in the barrel main body. A top cover is arranged at the bottom of the sealing cover; according to the hydrothermal reaction kettle for preparing the carbon dots, the telescopic block can eject and move the top of an inner bottle out of the barrel main body, at the moment, the inner bottle can be directly taken out with hands, the efficiency of taking out the hydrothermal reaction kettle is improved, the elasticity of the hydrothermal reaction kettle can be changed through extrusion, the ejection strength of the inner bottle can be improved when the elasticity is changed, and the efficiency of taking out the inner bottle is further improved; the sealing ring can deform when being extruded, a gap between the bottom cover and the cylinder main body can be filled when the sealing ring deforms, double sealing of the hydrothermal reaction kettle can be achieved through material sealing of the bottom cover, and the sealing effect of the reaction kettle is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon dot preparation, in particular to a hydrothermal reaction kettle for carbon dot preparation. Background Art

[0002] Carbon dot preparation is a process of preparing nano-scale carbon materials by chemical or physical methods. Hydrothermal reactor can be used as one of the tools for preparing carbon dots. Hydrothermal reactor is a device specially used for hydrothermal reaction. It is usually made of high temperature and high pressure resistant materials. It can carry out chemical reactions under high temperature and high pressure environment, which is conducive to the progress of certain chemical reactions.

[0003] In the prior art, a Chinese patent with authorization announcement number CN210279079U discloses an anti-overflow and easy-to-take hydrothermal reactor, which belongs to the field of carbon dot preparation. Its technical points are that a turning handle and a lifting ring are provided to facilitate the installation and disassembly of the compression screw and the taking of the device; an annular groove and a lower inserted circular plate are provided to fix and support the liner, and at the same time, the expansion of the liner when used for a long time in a high temperature environment will not affect the installation and taking of the liner.

[0004] At present, most hydrothermal reactors on the market still have certain shortcomings when in use. As shown in the above-mentioned document, the device is provided with a handle and a lifting ring to facilitate the installation and disassembly of the compression screw and the taking of the device. The device generally has an inner bottle, and the reactor needs to be turned over before it can be poured out when it is taken out. The operation process is relatively time-consuming. Secondly, the bottom sealing effect of the reactor is not enough, and the internal pressure is prone to leakage during heating, which is more troublesome to use. Utility Model Content

[0005] The utility model aims to provide a hydrothermal reactor for preparing carbon dots, so as to solve the problems in the above-mentioned background technology that it is inconvenient to take out the inner bottle of the hydrothermal reactor, the sealing effect of the reactor is not enough, and the internal pressure may be unstable.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydrothermal reactor for preparing carbon dots, comprising a barrel body, a bottom cover connected to the bottom surface of the barrel body, a sealing cover connected to the top of the barrel body, a sealing cover arranged on the top of the barrel body, a booster rod connected to the top of the sealing cover, an inner bottle arranged inside the barrel body, and a top cover arranged at the bottom of the sealing cover;

[0007] The bottom cover is provided with a plurality of telescopic grooves at the top, and an ejection mechanism for lifting the inner bottle is arranged inside the telescopic groove, and the ejection mechanism comprises a telescopic block, and the telescopic block slides through the telescopic groove, and a connecting block is fixed on the left side of the telescopic block, and a spring is connected between the telescopic block and the telescopic groove;

[0008] Slide blocks are symmetrically fixed on both sides of the bottom cover, and a sealing mechanism is also arranged inside the bottom cover to improve the sealing performance of the hydrothermal reactor.

[0009] Furthermore, the telescopic block is slidably connected to the telescopic slot, and the telescopic block and the telescopic slot form a telescopic structure through a spring, and the telescopic block and the connecting block are an integral structure.

[0010] Furthermore, an adjustment mechanism for improving the ejection mechanism effect is also provided inside the telescopic slot, and the adjustment mechanism includes a threaded rod, and the threaded rod penetrates and rotates inside the telescopic slot and the telescopic block, and a first bevel gear is fixed to the right end of the threaded rod.

[0011] Furthermore, the top side of the first bevel gear is meshedly connected with the second bevel gear, the back of the second bevel gear is fixed with a rotating rod, the rotating rod penetrates and rotates inside the bottom cover, the surface of the threaded rod is threadedly connected with an extrusion block, and the left side of the extrusion block is connected with a spring.

[0012] Furthermore, a guide block is fixed at the bottom of the extrusion block, and the guide block slides through the guide groove, and the guide groove starts at the bottom of the telescopic groove.

[0013] Furthermore, the extrusion block and the guide block are an integral structure, the guide block and the guide groove are slidably connected, the extrusion block and the threaded rod are threadedly connected, and the first bevel gear and the second bevel gear are meshingly connected.

[0014] Furthermore, the sealing mechanism includes a slide groove, which starts symmetrically at the top of the bottom cover, a sealing ring is connected to the bottom of the bottom cover, a rotating groove starts from the bottom of the cylinder body, a rotating block rotates through the rotating groove, a threaded ring is fixed at the bottom end of the rotating block, a threaded block is fixed at the bottom of the bottom cover, and the threaded block is threadedly connected to the inner side of the threaded ring.

[0015] Furthermore, the bottom cover is an integral structure with the slider and the threaded block, the slider is slidably connected to the slide groove, the rotating block is rotatably connected to the rotating groove, and the rotating block is an integral structure with the threaded ring, and the threaded ring is threadedly connected to the threaded block.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The hydrothermal reactor used for the preparation of carbon dots has a telescopic block that can push the top of the inner bottle out of the barrel body. At this time, the inner bottle can be taken out directly by hand, which improves the efficiency of taking out the hydrothermal reactor. The elastic force can be changed by squeezing. When the elastic force changes, the ejection strength of the inner bottle can be increased, which further improves the efficiency of taking out the inner bottle. The sealing ring can be deformed when squeezed. When the sealing ring is deformed, the gap between the bottom cover and the barrel body can be filled. In addition, the material sealing of the bottom cover itself can achieve double sealing of the hydrothermal reactor, which improves the sealing effect of the reactor;

[0018] 2. A connecting block is provided, through which the position of the inner bottle can be limited to prevent the inner bottle from falling out of the best squeezing position due to excessive weight, thus improving the feasibility of the ejection mechanism;

[0019] 3. A threaded rod is provided, and the extrusion block can be moved by sliding the thread of the threaded rod, so as to adjust the elastic strength of the spring. The threaded connection has higher adjustment accuracy and is not prone to slipping, thereby improving the stability of the adjustment spring;

[0020] 4. A slider and a slide groove are provided, and the sliding of the slider and the slide groove can guide the thread block and the thread ring when they are threaded, thereby preventing the thread block from slipping and improving the effect of the thread ring and the thread block thread operation;

[0021] 5. A sealing ring is provided, through which the gap between the cylinder body and the bottom cover can be filled, thereby improving the sealing effect of the reactor and ensuring the internal pressure when the cylinder body is heated. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall front-view three-dimensional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the overall three-dimensional structure of the utility model when viewed from above;

[0024] Figure 3 This is a schematic diagram of the overall split three-dimensional structure of the utility model;

[0025] Figure 4 This is an enlarged three-dimensional structural diagram of the bottom cover of the utility model;

[0026] Figure 5 This is a schematic diagram of the cutaway three-dimensional structure of the bottom cover of the utility model;

[0027] Figure 6 For this utility model Figure 5 The enlarged three-dimensional structure diagram of the middle A part;

[0028] Figure 7 This is an enlarged three-dimensional structural diagram of the guide block of the utility model;

[0029] Figure 8 It is a schematic diagram of the cutaway three-dimensional structure of the threaded ring of the utility model.

[0030] In the figure: 1. cylinder body; 2. bottom cover; 3. sealing cover; 4. booster rod; 5. inner bottle; 6. top cover; 201. telescopic slot; 202. telescopic block; 203. connecting block; 204. spring; 205. threaded rod; 206. first bevel gear; 207. second bevel gear; 208. rotating rod; 209. extrusion block; 210. guide slot; 211. guide block; 212. slider; 213. slide slot; 214. sealing ring; 215. rotating slot; 216. rotating block; 217. threaded ring; 218. threaded block. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Embodiment 1:

[0033] like Figure 1-Figure 5 The technical solution shown in the figure, the present invention provides the following technical solution: In order to solve the problem that it is inconvenient to take out the inner bottle 5 of the hydrothermal reactor and it needs to be dumped out, which is inefficient, an ejection mechanism is disclosed:

[0034] The utility model comprises a cylinder body 1, wherein a bottom cover 2 is connected to the bottom surface of the cylinder body 1, a sealing cover 3 is connected to the top of the cylinder body 1, a sealing cover 3 is arranged on the top of the cylinder body 1, a booster rod 4 is connected to the top of the sealing cover 3, an inner bottle 5 is arranged inside the cylinder body 1, a top cover 6 is arranged at the bottom of the sealing cover 3, a plurality of telescopic grooves 201 are arranged at the top of the bottom cover 2, an ejection mechanism for lifting the inner bottle 5 is arranged inside the telescopic groove 201, the ejection mechanism comprises a telescopic block 202, the telescopic block 202 penetrates and slides inside the telescopic groove 201, a connecting block 203 is fixed on the left side of the telescopic block 202, a spring 204 is connected between the telescopic block 202 and the telescopic groove 201, sliders 212 are symmetrically fixed on both sides of the bottom cover 2, a sealing mechanism for improving the sealing performance of the hydrothermal reactor is also arranged inside the bottom cover 2, the telescopic block 202 is slidably connected to the telescopic groove 201, and the telescopic block 202 is connected to the telescopic groove 201 by a spring 204. 4 and the telescopic groove 201 form a telescopic structure, the telescopic block 202 and the connecting block 203 are an integrated structure, when the hydrothermal reactor is in use, the inner bottle 5 will be placed on the top of the telescopic block 202, when the reaction is completed and the inner bottle 5 is taken out, the cover 3 is rotated to slide with the barrel body 1, and the cover 3 is separated from the barrel body 1 by its own elastic force. The spring 204 can be extended by its own elastic force, and the spring 204 can push the telescopic block 202 to move when it is extended. When the telescopic block 202 moves, it can slide through the telescopic groove 201, and when the telescopic block 202 slides, the inclined surface can squeeze the bottom of the inner bottle 5. When the inner bottle 5 is squeezed, it can slide upward through the barrel body 1. After the telescopic block 202 is squeezed to the specified position, the top of the inner bottle 5 can be moved out of the barrel body 1. At this time, the inner bottle 5 can be directly taken out by hand, and there is no need for traditional dumping to take it out, thereby improving the efficiency of taking out the hydrothermal reactor.

[0035] Embodiment 2:

[0036] like Figure 5-Figure 7 The technical solution shown in the figure, the present invention provides the following technical solution: In order to solve the problem that the force of the ejection mechanism spring 204 of the hydrothermal reactor may be insufficient, on the basis of the first embodiment, an adjustment mechanism is disclosed:

[0037] The telescopic slot 201 is also provided with an adjustment mechanism to improve the ejection mechanism effect. The adjustment mechanism includes a threaded rod 205, which penetrates and rotates inside the telescopic slot 201 and the telescopic block 202. A first bevel gear 206 is fixed to the right end of the threaded rod 205. A second bevel gear 207 is meshed and connected to the top side of the first bevel gear 206. A rotating rod 208 is fixed to the back of the second bevel gear 207. The rotating rod 208 penetrates and rotates inside the bottom cover 2. An extrusion block 209 is threadedly connected to the surface of the threaded rod 205. A spring 204 is connected to the left side of the extrusion block 209. A guide block 211 is fixed to the bottom of the extrusion block 209. The guide block 211 penetrates and slides inside the guide slot 210. The guide slot 210 starts at the bottom of the telescopic slot 201. The extrusion block 209 and the guide block 211 are an integrated structure. The guide block 211 and the guide slot 210 are slidably connected. The extrusion block 209 and the threaded rod 205 are threadedly connected. The gear 207 is meshingly connected. Before the hydrothermal reactor is used, the rotating rod 208 can be rotated through the bottom cover 2. When the rotating rod 208 rotates, the second bevel gear 207 can be driven to rotate. When the second bevel gear 207 rotates, the first bevel gear 206 can be driven to mesh and rotate. When the first bevel gear 206 meshes and rotates, the threaded rod 205 can be driven to rotate. When the threaded rod 205 rotates, it can rotate with the bottom cover 2 through the telescopic groove 201. When the threaded rod 205 rotates, it can drive the extrusion block 209 to slide threadedly. When the extrusion block 209 slides threadedly, it can drive the guide block 211 to move. When the guide block 211 moves, it can slide through the guide groove 210. When the extrusion block 209 slides, it can push the spring 204 to move. When the spring 204 moves, it can squeeze the telescopic block 202. The elastic force itself can be changed by squeezing. When the elastic force changes, the ejection strength of the inner bottle 5 can be improved, thereby further improving the efficiency of taking out the inner bottle 5.

[0038] Embodiment three:

[0039] like Figure 1 , Figure 2 and Figure 8 The technical solution shown in the figure, the present invention provides the following technical solution: In order to solve the problem that the sealing effect of the hydrothermal reactor is not enough and the internal pressure may be unstable, a sealing mechanism is disclosed:

[0040] The sealing mechanism includes a slide groove 213, which starts symmetrically at the top of the bottom cover 2. A sealing ring 214 is connected to the bottom of the bottom cover 2. A rotating groove 215 starts from the bottom of the cylinder body 1. A rotating block 216 rotates through the rotating groove 215. A threaded ring 217 is fixed to the bottom end of the rotating block 216. A threaded block 218 is fixed to the bottom of the bottom cover 2. The threaded block 218 is threadedly connected to the inner side of the threaded ring 217. The bottom cover 2 is an integrated structure with the slider 212 and the threaded block 218. The slider 212 is slidably connected to the slide groove 213, the rotating block 216 is rotatably connected to the rotating groove 215, and the rotating block 216 is an integrated structure with the threaded ring 217. The threaded ring 217 is threadedly connected to the threaded block 218. Before the hydrothermal reactor is used, moving the bottom cover 2 can drive the slider 212 to move. When the slider 212 moves to the top of the slide groove 213, it can be inserted. The slider 2 When the bottom cover 2 is inserted, it can slide to the inner bottom surface of the cylinder body 1 through the slide groove 213. When the bottom cover 2 slides, it can drive the sealing ring 214 to move to the inner bottom surface of the cylinder body 1. At the same time, the bottom cover 2 can drive the threaded block 218 to move to the inner side of the threaded ring 217. Rotating the threaded ring 217 can drive the rotating block 216 to move. When the rotating block 216 moves, it can rotate through the rotating groove 215. When the threaded ring 217 rotates, it can drive the threaded block 218 to slide threadedly. When the threaded block 218 slides threadedly, it can drive the bottom cover 2 to slide. When the bottom cover 2 slides, the sealing ring 214 can be squeezed. When the sealing ring 214 is squeezed, it can be deformed. When the sealing ring 214 is deformed, it can fill the gap between the bottom cover 2 and the cylinder body 1. In addition, the material sealing of the bottom cover 2 itself can achieve double sealing of the hydrothermal reactor, thereby improving the sealing effect of the reactor.

[0041] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydrothermal reactor for preparing carbon dots, comprising a barrel body (1), wherein the bottom surface of the barrel body (1) is connected to a bottom cover (2), the top of the barrel body (1) is connected to a sealing cover (3), the top of the barrel body (1) is provided with a sealing cover (3), the top of the sealing cover (3) is connected to a booster rod (4), an inner bottle (5) is provided inside the barrel body (1), and a top cover (6) is provided at the bottom of the sealing cover (3), characterized in that ； A plurality of telescopic grooves (201) are formed at the top of the bottom cover (2), and an ejection mechanism for lifting the inner bottle (5) is arranged inside the telescopic groove (201). The ejection mechanism comprises a telescopic block (202), and the telescopic block (202) penetrates and slides inside the telescopic groove (201). A connecting block (203) is fixed on the left side of the telescopic block (202), and a spring (204) is connected between the telescopic block (202) and the telescopic groove (201); Slide blocks (212) are symmetrically fixed on both sides of the bottom cover (2), and a sealing mechanism for improving the sealing performance of the hydrothermal reactor is also provided inside the bottom cover (2).

2. A hydrothermal reactor for preparing carbon dots according to claim 1, characterized in that: The telescopic block (202) is slidably connected to the telescopic slot (201), and the telescopic block (202) forms a telescopic structure with the telescopic slot (201) via a spring (204), and the telescopic block (202) and the connecting block (203) are an integral structure.

3. The hydrothermal reactor for preparing carbon dots according to claim 1, characterized in that: An adjustment mechanism for improving the ejection mechanism effect is also provided inside the telescopic slot (201), and the adjustment mechanism comprises a threaded rod (205). The threaded rod (205) penetrates and rotates inside the telescopic slot (201) and the telescopic block (202), and a first bevel gear (206) is fixed to the right end of the threaded rod (205).

4. A hydrothermal reactor for preparing carbon dots according to claim 3, characterized in that: The top side of the first bevel gear (206) is meshedly connected with a second bevel gear (207), the back of the second bevel gear (207) is fixed with a rotating rod (208), the rotating rod (208) penetrates and rotates inside the bottom cover (2), the surface of the threaded rod (205) is threadedly connected with an extrusion block (209), and the left side of the extrusion block (209) is connected with a spring (204).

5. A hydrothermal reactor for preparing carbon dots according to claim 4, characterized in that: A guide block (211) is fixed at the bottom of the extrusion block (209), and the guide block (211) penetrates and slides inside the guide groove (210), and the guide groove (210) starts at the bottom of the telescopic groove (201).

6. A hydrothermal reactor for preparing carbon dots according to claim 5, characterized in that: The extrusion block (209) and the guide block (211) are an integrated structure, the guide block (211) and the guide groove (210) are slidably connected, the extrusion block (209) and the threaded rod (205) are threadedly connected, and the first bevel gear (206) and the second bevel gear (207) are meshingly connected.

7. The hydrothermal reactor for preparing carbon dots according to claim 1, characterized in that: The sealing mechanism comprises a slide groove (213), the slide groove (213) symmetrically starting at the top of the bottom cover (2), the bottom of the bottom cover (2) being connected to a sealing ring (214), a rotating groove (215) starting at the bottom of the cylinder body (1), a rotating block (216) rotatingly passing through the rotating groove (215), a threaded ring (217) being fixed at the bottom end of the rotating block (216), a threaded block (218) being fixed at the bottom of the bottom cover (2), and the threaded block (218) being threadedly connected to the inner side of the threaded ring (217).

8. The hydrothermal reactor for preparing carbon dots according to claim 1, characterized in that: The bottom cover (2) is an integral structure with the slider (212) and the threaded block (218); the slider (212) is slidably connected to the slide groove (213); the rotating block (216) is rotatably connected to the rotating groove (215); the rotating block (216) is an integral structure with the threaded ring (217); and the threaded ring (217) is threadedly connected to the threaded block (218).

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