Simple material melting device for low-melting-point solid Boc2O
By designing a shaking and stirring function and activated carbon purification function for the feeder, the problems of uneven heating and incomplete treatment of harmful gases in existing feeders have been solved, achieving efficient feeder processing and environmentally friendly production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- MAANSHAN NOVENTEK PHARM TECH CO LTD
- Filing Date
- 2025-04-30
- Publication Date
- 2026-04-21
AI Technical Summary
Existing chemical feeders have limited thermal conductivity when heating low-melting-point solid Boc2O, resulting in long heating times and poor uniformity, which affects chemical feed efficiency and quality, and also leads to energy waste and increased production costs.
A simple feeder for low-melting-point solid Boc2O was designed. The feeder is driven by a motor to shake the entire feed tank. Combined with the stirring of the rotating rod and the lever, it can achieve all-round stirring of Boc2O and uniform heating of the heating water. Harmful gases are purified by using an annular gas collection box and activated carbon plate.
It accelerates the heat transfer of heating water, improves the heating uniformity and chemical efficiency of Boc2O, reduces the time cost of chemical processing, improves production efficiency, effectively purifies harmful gases, and reduces the frequency of equipment maintenance.
Smart Images
Figure CN224142185U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of fine chemical technology, specifically, it relates to a simple feeder for low-melting-point solid Boc2O. Background Technology
[0002] Boc2O is a commonly used organic synthesis reagent with a melting point of 22-24℃. When using Boc2O, it is often necessary to convert it from a solid to a liquid state. Currently, common methods of chemical conversion include heating in a warm water bath, heating in an oven, and dissolving it in a solvent.
[0003] Existing chemical mixers mostly use a warm water bath to heat the low-melting-point solid Boc2O. Although these mixers are equipped with a stirrer to agitate Boc2O in order to achieve uniform heating, they lack measures to agitate the heating water in the warm water bath during the heating process. Since the heating temperature required for Boc2O chemicalization is low and the thermal conductivity of water is limited, the water is heated slowly and unevenly in all directions. This significantly prolongs the heating time required to reach the appropriate chemicalization temperature, which not only reduces chemicalization efficiency but also wastes energy and increases production costs. Moreover, the uneven heating environment can easily lead to local overheating or underheating of Boc2O, affecting the quality of chemicalization and consequently having an adverse impact on the stability of subsequent related synthesis reactions and product quality. In view of this, this utility model is proposed. Utility Model Content
[0004] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a simple feeder for low-melting-point solid Boc2O that can overcome or at least partially solve the above problems.
[0005] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows: a simple low-melting-point solid Boc2O dissolving device, including a support frame, and further including: a dissolving tank, which is rotatably connected to the support frame via a rotating shaft; a tank cover is installed at the feeding port at the upper end of the dissolving tank, an electric valve is installed at the discharge port at the lower end of the dissolving tank, a heating water chamber is opened in the tank wall of the dissolving tank, a water inlet connected to the heating water chamber is fixedly connected to the dissolving tank, a heater is installed at the lower end of the dissolving tank, and the heating rod of the heater is located in the heating water chamber; a drive motor is fixedly connected to one side of the support frame; a half-tooth gear is fixedly connected to the output end of the drive motor; a full-tooth gear is fixedly connected to the end of the rotating shaft near the drive motor and intermittently meshes with the half-tooth gear.
[0006] Furthermore, two support plates are symmetrically fixed at the upper inside of the chemical tank, and a rotating rod is rotatably connected between the two support plates via a rotating shaft. Multiple rows of levers are fixedly connected to the rotating rod.
[0007] To further improve the uniformity of Boc2O mixing, a counterweight ball is fixedly connected to the upper end of the rotating rod. The counterweight ball is used to make the weight at the upper end of the rotating rod greater than the weight at the lower end.
[0008] To further mitigate the impact of the counterweight ball on the chemical tank, two anti-collision pads are symmetrically fixedly connected inside the chemical tank for collision prevention.
[0009] To facilitate the purification of harmful gases generated during the chemical processing, an annular gas collection box is further fixedly connected to the outside of the chemical tank near the anti-collision pad. An annular activated carbon plate is installed on the annular gas collection box. The anti-collision pad is a self-resetting airbag, and the air outlet of the self-resetting airbag is connected to the air inlet of the annular gas collection box.
[0010] To further ensure the service life of the self-resetting airbag, the self-resetting airbag is a corrosion-resistant airbag.
[0011] To facilitate easier assembly and disassembly of the annular activated carbon plate, multiple tension springs are fixedly connected in a circular pattern at equal intervals inside the annular gas collecting box. The annular activated carbon plate abuts against the upper end of the tension springs, and multiple limiting plates are rotatably connected to the opening at the upper end of the annular gas collecting box via a rotating shaft at equal intervals.
[0012] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art: Compared with the existing chemicalizers that use a warm water bath and only stir Boc2O, the present invention, when heating and chemicaling low-melting-point solid Boc2O, drives the entire chemical tank to shake, which not only shakes and stirs the Boc2O, but also shakes the heating water. This accelerates the heat transfer of the heating water, allowing the water to be heated in all directions at a faster speed and with enhanced uniformity, effectively shortening the heating time of the water. At the same time, with the assistance of shaking and stirring by the lever, the Boc2O is heated more evenly, greatly improving the chemicalization efficiency and quality, reducing the chemicalization time cost, and improving production efficiency.
[0013] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description
[0014] In the attached diagram:
[0015] Figure 1 is a schematic diagram of the structure of this utility model;
[0016] Figure 2 is a cross-sectional view of the chemical material tank of this utility model;
[0017] Figure 3 is a partial structural schematic diagram of this utility model;
[0018] Figure 4 is a cross-sectional view of the present invention as shown in Figure 3.
[0019] In the diagram: 1. Support; 101. Drive motor; 102. Half gear; 2. Chemical tank; 201. Heating water chamber; 202. Heater; 203. Heating rod; 204. Tank lid; 205. Electric valve; 206. Rotating shaft; 207. Full gear; 3. Support plate; 301. Rotating rod; 302. Lever; 303. Counterweight ball; 4. Anti-collision pad; 401. Annular gas collection box; 402. Annular activated carbon plate; 403. Limiting plate; 404. Tension spring. Detailed Implementation
[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model, but are not intended to limit the scope of this utility model.
[0021] Example 1:
[0022] Referring to Figures 1-4, a simple feeder for low-melting-point solid Boc2O includes a support 1 and a feed tank 2, rotatably connected to the support 1 via a rotating shaft 206. A tank cover 204 is installed at the feed inlet at the upper end of the feed tank 2, and an electric valve 205 is installed at the discharge outlet at the lower end of the feed tank 2. A heating water chamber 201 is formed in the tank wall of the feed tank 2, and a water inlet connected to the heating water chamber 201 is fixedly connected to the feed tank 2. A heater 202 is installed at the lower end of the feed tank 2, and the heating rod 203 of the heater 202 is located in the heating water chamber 201. A drive motor 101 is fixedly connected to one side of the support 1. A half-tooth gear 102 is fixedly connected to the output end of the drive motor 101. A full-tooth gear 207 is fixedly connected to the end of the rotating shaft 206 near the drive motor 101 and intermittently meshes with the half-tooth gear 102.
[0023] Two support plates 3 are symmetrically fixed at the upper inside of the chemical tank 2. A rotating rod 301 is rotatably connected between the two support plates 3 via a rotating shaft. Multiple rows of levers 302 are fixedly connected to the rotating rod 301.
[0024] When it is necessary to perform a melting operation on low-melting-point solid Boc2O, first add the low-melting-point solid Boc2O through the feeding port at the top of the melting tank 2. After adding the material, the tank cover 204 can be closed. Then, a certain amount of water can be injected into the heating water chamber 201 opened in the tank wall of the melting tank 2. After the preliminary work is completed, the heater 202 installed at the bottom of the melting tank 2 can be started. The heating rod 203 of the heater 202 extends into the heating water chamber 201 and heats the water in the heating water chamber 201 by converting electrical energy into heat energy, so that the water temperature rises to form warm water, providing a heat source for the melting process.
[0025] The drive motor 101, fixedly connected to one side of the bracket 1, is the power source for the shaking of the chemical tank 2. When the drive motor 101 is energized, its output shaft drives the fixedly connected half-tooth gear 102 to rotate. The half-tooth gear 102 intermittently meshes with the full-tooth gear 207, which is fixedly connected to the end of the rotating shaft 206 near the drive motor 101. When the toothed part of the half-tooth gear 102 meshes with the full-tooth gear 207, the rotation of the half-tooth gear 102 drives the full-tooth gear 207 to rotate. Since the full-tooth gear 207 is fixedly connected to the rotating shaft 206, and the rotating shaft 206 is rotatably connected to the chemical tank 2, the chemical tank 2 rotates around the rotating shaft 206 as its axis, thus achieving shaking. When the toothless part of the half-tooth gear 102 is opposite to the full-tooth gear 207, the two disengage, but the chemical tank 2... Due to inertia, it will continue to sway at a certain angle. Under the influence of gravity and other factors, it will sway back in the opposite direction. This cycle repeats, thus achieving the back-and-forth swaying of the chemical tank 2.
[0026] When the mixing tank 2 is shaken back and forth, the Boc2O inside the tank is displaced and tumbled due to the shaking. At the same time, it drives the rotating rod 301 to rotate on the rotating shaft of the support plate 3. The lever 302 moves and stirs the Boc2O as the rotating rod 301 rotates, further increasing the degree of mixing between the Boc2O particles. During the shaking of the mixing tank 2, in addition to the mixing and heating achieved by the overall shaking, the Boc2O can also come into fuller and more complete contact with the heat transferred by the warm water through the stirring action of the lever 302, thus accelerating the mixing process.
[0027] After the low-melting-point solid Boc2O is melted in the melting tank 2, the electric valve 205 installed at the discharge port at the lower end of the melting tank 2 is opened, and the melted Boc2O can flow out from the discharge port under the action of gravity.
[0028] Compared to existing chemical mixers that use a warm water bath and only stir Boc2O, this chemical mixer, when heating and melting low-melting-point solid Boc2O, drives the entire chemical mixing tank 2 to shake, not only stirring the Boc2O but also agitating the heating water. This accelerates heat transfer to the water, allowing it to be heated more evenly and uniformly, effectively shortening the heating time. Simultaneously, with the assistance of shaking and lever 302, the Boc2O is heated more evenly, greatly improving chemical mixing efficiency and quality, reducing chemical mixing time costs, and increasing production efficiency.
[0029] Example 2:
[0030] Referring to Figures 1-4, the simplified Boc2O mixing device for low-melting-point solids is basically the same as in Example 1, but with a further improvement: a counterweight ball 303 is fixedly connected to the upper end of the rotating rod 301. The counterweight ball 303 is used to make the weight of the upper end of the rotating rod 301 greater than the weight of the lower end. When the mixing tank 2 rotates to one side under the action of the drive motor 101, the half-tooth gear 102, and the full-tooth gear 207, the counterweight ball 303 makes the upper end of the rotating rod 301 have a larger mass. Under the action of inertia and gravity, the rotating rod 301 will rotate in the opposite direction to the rotation direction of the mixing tank 2, driving the lever 302 to rotate to the other side. This makes the stirring direction and angle of the lever 302 for Boc2O more variable, no longer limited to the shaking direction of the mixing tank 2, increasing the degree of agitation and mixing range of the Boc2O material, and more effectively breaking up the local aggregation of the material, making the Boc2O more... It can more fully transfer heat with warm water, enhance the mixing effect in all aspects, speed up the mixing process, and improve the uniformity of the mixture.
[0031] Two anti-collision pads 4 are symmetrically fixedly connected inside the chemical tank 2 for anti-collision. During the chemical process, the rotating rod 301, lever 302 and other components inside the chemical tank 2 will shake along with the chemical tank 2. The anti-collision pads 4 can effectively buffer the impact force generated by the collision between the counterweight ball 303 and the inner wall of the chemical tank 2, reduce the risk of tank deformation and wear caused by the collision, extend the service life of the chemical tank 2, and reduce equipment maintenance and replacement costs.
[0032] An annular gas collection box 401 is fixedly connected to the outside of the chemical tank 2 near the anti-collision pad 4. An annular activated carbon plate 402 is installed on the annular gas collection box 401. The anti-collision pad 4 is a self-resetting airbag, and its outlet is connected to the inlet of the annular gas collection box 401. During the chemical process, the harmful gas generated by Boc2O diffuses within the chemical tank 2. When the chemical tank 2 shakes, the counterweight ball 303 collides and compresses with the self-resetting airbag, causing it to pump gas back and forth due to external force. This forces the gas inside the chemical tank 2 into the annular gas collection box 401 through the outlet. This active collection method, compared to relying solely on natural gas diffusion, can more quickly and efficiently concentrate harmful gases, preventing their accumulation within the chemical tank 2 or their escape into the environment. The annular gas collection box 401... The annular activated carbon plate 402 installed on the top has a rich microporous structure and a huge specific surface area, which can physically adsorb the collected harmful gases. Through the adsorption of activated carbon, organic components such as tert-butanol in the harmful gases can be effectively removed, and the purified gas can be discharged, ensuring that the harmful gases generated in the chemical process are effectively treated, reducing the harm to the environment and the health of operators. By combining the anti-collision pad 4 with the harmful gas collection function, the structure can be reused. While playing a role in anti-collision and buffering, there is no need to set up additional complex gas extraction equipment to collect harmful gases, reducing equipment costs and energy consumption.
[0033] Example 3:
[0034] Referring to Figures 1-4, the simple feeder for low-melting-point solid Boc2O is basically the same as that in Example 2, except that the self-resetting airbag is a corrosion-resistant airbag.
[0035] During the Boc2O flocculant process, corrosive gases or liquids may be generated, such as acidic or alkaline impurities produced by incomplete flocculant formation. The corrosion-resistant airbag can resist the erosion of these corrosive substances, preventing the airbag from being damaged or leaking due to corrosion. This ensures that the self-resetting airbag can stably perform its anti-collision and gas collection functions for a long time, thereby ensuring the integrity and reliability of the overall structure of the flocculant, reducing the frequency of equipment maintenance and replacement due to airbag damage, and extending the service life of the flocculant.
[0036] Example 4:
[0037] Referring to Figures 1-4, the simplified feeder for low-melting-point solid Boc2O is basically the same as that in Example 3, but with a further improvement: multiple tension springs 404 are fixedly connected in a circular pattern at equal intervals inside the annular gas collecting box 401, the annular activated carbon plate 402 abuts against the upper end of the tension springs 404, and multiple limiting plates 403 are rotatably connected to the opening at the upper end of the annular gas collecting box 401 through a rotating shaft at equal intervals.
[0038] When it is necessary to replace or maintain the annular activated carbon plate 402, simply rotate the limiting plate 403 to disengage it from the limiting position of the annular activated carbon plate 402. At this time, since the annular activated carbon plate 402 is abutting against the upper end of the tension spring 404, the elastic restoring force of the tension spring 404 will generate an upward pushing force on the annular activated carbon plate 402, making it easily disengage from the annular gas collection box 401. The disassembly operation can be completed quickly without the need for complicated tools, greatly improving maintenance efficiency.
[0039] When installing the new annular activated carbon plate 402, place it directly into the annular gas collection box 401, press down to compress the tension spring 404, and then rotate the limiting plate 403 to reposition and fix the annular activated carbon plate 402. The elastic force of the tension spring 404 ensures that the annular activated carbon plate 402 fits tightly into the annular gas collection box 401, ensuring its stability during the purification of harmful gases without loosening or shifting. This simplifies the installation process and ensures the effectiveness of the product after installation.
[0040] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model.
Claims
1. A low-melting solid Boc20 simplex feeder, characterized by, The system includes a support (1) and a chemical tank (2), which is rotatably connected to the support (1) via a rotating shaft (206). A tank cover (204) is installed at the feeding port at the upper end of the chemical tank (2), and an electric valve (205) is installed at the discharge port at the lower end of the chemical tank (2). A heating water chamber (201) is provided in the tank wall of the chemical tank (2). A water inlet connected to the heating water chamber (201) is fixedly connected to the chemical tank (2). A heater (202) is installed at the lower end of the chemical tank (2), and the heating rod (203) of the heater (202) is located in the heating water chamber (201). A drive motor (101) is fixedly connected to one side of the support (1). A half-tooth gear (102) is fixedly connected to the output end of the drive motor (101); a full-tooth gear (207) is fixedly connected to the end of the rotating shaft (206) near the drive motor (101) and intermittently meshes with the half-tooth gear (102); two support plates (3) are symmetrically fixed at the upper end of the inside of the chemical tank (2), and a rotating rod (301) is rotatably connected between the two support plates (3) through a rotating shaft. Multiple rows of levers (302) are fixedly connected to the rotating rod (301); a counterweight ball (303) is fixedly connected to the upper end of the rotating rod (301), and the counterweight ball (303) is used to make the weight at the upper end of the rotating rod (301) greater than the weight at the lower end.
2. The simplified feeder for low-melting-point solid Boc₂O according to claim 1, characterized in that, The chemical tank (2) contains two anti-collision pads (4) that are symmetrically fixed inside for anti-collision.
3. The low-melting solid Boc20 simple feeder according to claim 2, characterized by, An annular gas collection box (401) is fixedly connected to the outside of the chemical tank (2) near the anti-collision pad (4). An annular activated carbon plate (402) is installed on the annular gas collection box (401). The anti-collision pad (4) is a self-resetting airbag. The air outlet of the self-resetting airbag is connected to the air inlet of the annular gas collection box (401).
4. The low-melting solid Boc20 simple feeder according to claim 3, characterized by, The self-resetting airbag is a corrosion-resistant airbag.
5. The low-melting solid Boc20 simple feeder according to claim 3, characterized by, The annular gas collecting box (401) has multiple tension springs (404) fixedly connected in a circumferentially spaced manner. The annular activated carbon plate (402) abuts against the upper end of the tension springs (404). The opening at the upper end of the annular gas collecting box (401) is connected to multiple limiting plates (403) by rotating shafts at equal intervals.