Integrated spray pyrolysis device

Abstract

The utility model discloses an integrated spray pyrolysis device, which belongs to the technical field of spray pyrolysis, and comprises a box body, a material stirring tank, an atomizing mechanism, a gas carrying mechanism and a control panel, the material stirring tank is arranged on the outer side of the box body; the atomizing mechanism comprises a mist particle output pipe and an atomizer, the atomizer is arranged in the box body, one end of the atomizer is communicated with a material conveying pipe arranged on the material stirring tank, and the other end of the atomizer is communicated with the mist particle output pipe; the carrier gas mechanism comprises a gas inlet assembly and a gas pump, the gas pump is arranged in the box body, a gas inlet of the gas pump is communicated with the gas inlet assembly, a first gas outlet of the gas pump is communicated with the mist particle output pipe, and a second gas outlet of the gas pump is communicated with a gas flow output pipe arranged on the material stirring tank. The micro-nano carbon material uniform in size can be stably prepared, and the operability and adaptability of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to spray pyrolysis technical field, concretely relates to integrated spray pyrolysis device. BACKGROUND

[0002] Spray pyrolysis technology is to prepare the solution by carbon source and its functional additives, atomize through atomizer, and then bring into high temperature pyrolysis furnace through carrier gas to carry out pyrolysis reaction. In high temperature pyrolysis furnace, the vapor pressure of micro-nano droplet is greater than that of large droplet and plane liquid, and based on kelvin saturated vapor pressure principle, solvent can be evaporated quickly. In this process, solute gradually forms solid porous particles and is converted into carbon microspheres under the pyrolysis effect. Spray pyrolysis technology has been widely applied in the preparation of carbon microspheres due to its efficient solvent evaporation, solid particle formation and pyrolysis process.

[0003] However, the traditional spray pyrolysis device has certain obstacles for the stable preparation of uniform size micro-nano carbon material, therefore, there is an urgent need for a spray pyrolysis device that can overcome the limitations of the prior art and expand its application in the preparation of uniform size micro-nano carbon material. CONTENT OF THE UTILITY MODEL

[0004] The main purpose of the utility model is to solve the above-mentioned technical problems to some extent, and to provide an integrated spray pyrolysis device that can stably prepare uniform size micro-nano carbon material and improve the operability and adaptability of the device.

[0005] The above-mentioned problems solved by the utility model are realized by the following technical solutions:

[0006] An integrated spray pyrolysis device is provided, which comprises a box body, a material stirring tank, an atomization mechanism, a carrier gas mechanism and a control panel. The material stirring tank is arranged outside the box body. The atomization mechanism comprises a mist output pipe and an atomizer. The mist output pipe is arranged on the upper end surface of the box body, and the atomizer is arranged in the box body. One end of the atomizer is communicated with a material conveying pipe arranged in the material stirring tank, and the other end of the atomizer is communicated with the mist output pipe. The carrier gas mechanism comprises an air inlet assembly and a gas pump. The air inlet assembly is arranged in the box body, and the gas pump is arranged inside the box body. The gas inlet of the gas pump is communicated with the air inlet assembly, the first gas outlet of the gas pump is communicated with the mist output pipe, and the second gas outlet of the gas pump is communicated with an air flow output pipe arranged in the material stirring tank. The control panel is arranged on the outer surface of the box body and is electrically connected with the atomization mechanism and the carrier gas mechanism respectively.

[0007] In some embodiments, the atomizer comprises an atomizing seat, a material conveying pipe, a transducer and an oscillator, the atomizing seat is arranged in the box, the oscillator is electrically connected with the transducer and is arranged in a water tank arranged inside the atomizing seat, the material conveying pipe is arranged in the atomizing seat and is in contact with the transducer at a position in the water tank, a feeding port of the material conveying pipe is communicated with a material conveying pipe arranged on the material stirring tank, and a discharging port of the material conveying pipe is communicated with the mist particle output pipe.

[0008] In some embodiments, the air inlet assembly comprises an air inlet fan and an air inlet pipe, the air inlet fan is arranged on the box, and an air inlet of the air inlet pipe is opposite to the air inlet fan, and an air outlet of the air inlet pipe is communicated with an air inlet of the gas pump.

[0009] In some embodiments, the mist particle output pipe comprises a mist particle output connecting end, an airflow connecting end and a discharging end which are communicated with each other, the mist particle connecting end is arranged on the first supporting seat arranged on the box and is communicated with the discharging port of the material conveying pipe, and the airflow connecting end is communicated with the first air outlet of the gas pump.

[0010] In some embodiments, the mist particle output pipe is in T-shaped structure in cross section.

[0011] In some embodiments, an observation window is arranged on the box opposite to the atomizer.

[0012] In some embodiments, a through slot is arranged on the box and is communicated with the inside, and a heat dissipation fan is arranged at the through slot.

[0013] In some embodiments, the box supports the material conveying pipe and is provided with a second supporting seat.

[0014] Compared with the prior art, the above technical scheme provided in the application has the following advantages:

[0015] The ultrasonic oscillator generates ultrasonic energy through the oscillator circuit, the transducer generates ultrasonic energy, the water medium acts on the material conveying pipe, the organic / inorganic, acidic or alkaline carbon precursor solution in the material conveying pipe is formed into small mist particles under the action of the ultrasonic energy, finally, the mist particles are sent into the external high-temperature pyrolysis equipment through the mist particle output pipe, the atomization efficiency is improved, finer atomized particles are obtained, and the application range and cleaning convenience are improved.

[0016] The atomized particles generated by the atomizing mechanism are uniform in size, the carbon microsphere precursor solution mist particles atomized by the atomizing mechanism are conveyed to the external high-temperature pyrolysis equipment through the pressure difference generated by the carrier gas mechanism, and the carbon microspheres with functionalization can be obtained through pyrolysis reaction.

[0017] The gas source of the gas carrying mechanism is air, and the high-speed airflow generated by the built-in gas pump pressurization output makes the material in the material stirring tank form a through-flow state under the action of the high-speed airflow, is pushed into the material conveying pipe, and after forming mist particles by the atomization mechanism, is pushed into the external high-temperature pyrolysis equipment by another high-speed airflow generated by the gas pump pressurization output. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings shown.

[0019] Fig. 1 FIG. 1 is a structural diagram of the integrated spray pyrolysis device of the present application;

[0020] Fig. 2 FIG. 3 is a structural diagram of the atomization mechanism of the present application;

[0021] Fig. 3 FIG. 4 is a structural diagram of the gas carrying mechanism of the present application.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 1 - box; 2 - material stirring tank; 3 - atomization mechanism; 301 - mist output pipe; 302 - atomization seat; 303 - material conveying pipe; 304 - transducer; 305 - water tank; 4 - gas carrying mechanism; 401 - gas pump; 4011 - first gas outlet; 4012 - second gas outlet; 402 - air inlet fan; 403 - air inlet pipe; 5 - control panel; 6 - cooling fan; 7 - material conveying pipe; 8 - first support seat; 9 - airflow output pipe; 10 - observation window; 11 - second support seat. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0026] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0027] like Figs. 1-3 As shown, this utility model proposes an integrated spray pyrolysis device, including a box body 1, a material mixing tank 2, an atomizing mechanism 3, a carrier gas mechanism 4, and a control panel 5. The material mixing tank 2 is located on the outside of the box body 1. The box body 1 is connected to the interior by a through groove, and a cooling fan 6 is provided at the through groove to dissipate heat from the inside of the box body 1.

[0028] like Fig. 2 As shown, the specific atomizing mechanism 3 includes a mist output pipe 301 and an atomizer. The mist output pipe 301 is mounted on the upper surface of the housing 1. The atomizer includes an atomizing base 302, a material transfer pipe 303, a transducer 304, and an oscillator. The atomizing base 302 is located in the housing 1. The oscillator and the transducer 304 are electrically connected and both are located in a water tank 305 inside the atomizing base 302. The material transfer pipe 303 is located inside the atomizing base 302, and its portion within the water tank 305... Contacting the transducer 304, the inlet of the material transfer pipe 303 is connected to the material conveying pipe 7 provided in the material mixing tank 2. The mist output pipe 301 has a T-shaped cross-section. The mist output pipe 301 includes a mist output connection end, an airflow connection end and a discharge end that are connected to each other. The mist connection end is mounted on the first support seat 8 provided in the box body 1 and is connected to the discharge port of the material transfer pipe 303. The discharge end of the mist output pipe 301 is connected to the external pyrolysis equipment.

[0029] The ultrasonic energy generated by the transducer 304 through the oscillator circuit is used to act on the material conveying pipe 303 with water as the medium, so that the organic / inorganic, acidic or alkaline carbon precursor solution in the material conveying pipe 303 forms tiny mist particles under the action of the ultrasonic energy. Finally, the mist particles are sent into the external high-temperature pyrolysis equipment through the mist particle output pipe 301, so as to improve the atomization efficiency and obtain finer atomized particles, improve the application range and cleaning convenience; and the atomized particles generated by the atomization mechanism 3 are uniform in size, and the carbon microsphere precursor solution mist particles atomized by the atomization mechanism 3 are transported to the external high-temperature pyrolysis equipment through the pressure difference generated by the carrier gas mechanism 4, and the carbon microspheres with functionalization can be obtained by pyrolysis reaction.

[0030] As shown in Fig. 3 The carrier gas mechanism 4 includes a gas inlet assembly and a gas pump 401, the gas inlet assembly is arranged in the box body 1, and the gas pump 401 is arranged inside the box body 1, wherein the first gas outlet 4011 of the gas pump 401 is in communication with the gas flow connection end of the mist particle output pipe 301, and the second gas outlet 4012 of the gas pump 401 is in communication with the gas flow output pipe 9 arranged in the material stirring tank 2; the gas inlet assembly includes a gas inlet fan 402 and a gas inlet pipe 403, the gas inlet fan 402 is arranged on the box body 1, the gas inlet port of the gas inlet pipe 403 is opposite to the gas inlet fan 402, and the gas outlet port of the gas inlet pipe 403 is in communication with the gas inlet port of the gas pump 401.

[0031] The gas source of the carrier gas mechanism 4 of the embodiment is air, the air is sent into the gas pump 401 by the gas inlet fan 402, and the high-speed gas flow generated by the air after multi-stage filtration and pressure increase output enters the material pool through the gas flow output pipe 9, so that the material pool forms a high pressure, and the material in the material stirring tank 2 forms a through-flow state under the action of the high-speed gas flow and is pushed into the material conveying pipe 303, and after forming the mist particles by the atomization mechanism 3, the mist particles are pushed into the external high-temperature pyrolysis equipment by another high-speed gas flow generated by the pressure increase output of the gas pump 401, and the mist particle output pipe 301, the gas flow output pipe 9, the material conveying pipe 303 and the material conveying pipe 7 are all assembled by glass pipes, which have the characteristics of being detachable and washable for recycling, and can atomize precursor solutions such as organic solutions and aqueous solutions, ensuring the diversity and wide applicability of atomization.

[0032] Further, the control panel 5 is arranged on the outer surface of the box body 1 and is electrically connected with the atomization mechanism 3 and the carrier gas mechanism 4 respectively, and is provided with independent power switches and operation and indication lamps, which can be independently controlled, and the rotation speed, temperature and discharge speed are set according to the requirements, and the transport speed of the liquid under the action of the high-speed airflow is adjusted and controlled through the control panel 5, so that the function of quantitatively and uniformly conveying the material for atomization is achieved, and an observation window 10 is arranged at the position of the box body 1 opposite the atomization seat 302, so as to monitor whether there is residual material in the atomization seat 302 through the observation window 10, and the box body 1 supporting the material conveying pipe 7 is provided with a second supporting seat 11, so as to improve the stability of the position of the material conveying pipe 7.

[0033] In use, the high-temperature pyrolysis equipment is first set to a program, so that the high-temperature pyrolysis equipment is in three stages of temperature rising, constant temperature and temperature falling, and the specific steps are as follows:

[0034] The first stage is a preheating and temperature rising stage, and the program is set to rise the temperature from room temperature to 600℃ at a rate of 10℃ / min.

[0035] The second stage is a constant temperature stage, the atomization mechanism 3 is started to atomize, and the aerosol particles are conveyed to the constant temperature zone of the tubular furnace through the carrier gas mechanism 4, and the holding time can be set according to the pyrolysis time, which can be 0-24 h, and the time is set to 12 h in this experiment.

[0036] The third stage is a temperature falling stage, after the spray pyrolysis is completed, the atomization mechanism 3 is stopped, the heating function of the high-temperature pyrolysis equipment is turned off, and the temperature is naturally cooled to room temperature.

[0037] For example, the high-temperature pyrolysis device of the pyrolysis equipment is a tubular furnace, and the constant temperature range thereof is 200-1600℃; in the first stage, 1g of sucrose is dissolved in 50mL of water to form a solution A by ultrasonic dissolution; then 2g of K2CO3 is dissolved in 40mL of water to form a solution B; then the B solution is added dropwise to the A solution, and the mixed solution of A and B is added to the material stirring tank 2; when the second stage is reached, the atomization mechanism 3 is started, and 1.7MHz power is selected for atomization, which can be monitored at any time through the observation window 10, the compressed air carrier gas flow rate of the atomization mechanism 3 is adjusted to 2 L / min, and the discharge speed is 8 mL / min, so that the atomized liquid droplets enter the high-temperature pyrolysis chamber of the tubular furnace for thermal decomposition reaction; when all the predetermined material is atomized or the reaction needs to be stopped, the carrier gas mechanism 4 is turned off, after it is monitored through the observation window 10 that there is no residual material in the atomization system, the atomization mechanism 3 is turned off, and finally the high-temperature pyrolysis device is turned off, and after cooling in the third stage, the product carbon microspheres are collected, a large amount of deionized water is used to remove the potassium salt produced by the decomposition of K2CO3 under high temperature, and the sucrose-derived carbon microspheres are obtained by drying.

[0038] In another embodiment, in the first stage, a 1% concentration of polyamic acid solution (solvent is N,N-dimethylformamide, organic solvent) and template nano calcium carbonate (CaCO3) are mixed according to a mass ratio of 1:1, the above material is added into the material stirring tank 2, after the second stage, and finally the product carbon microspheres are collected after cooling in the third stage, a large amount of deionized water is used for washing to remove the salt generated by the decomposition of calcium carbonate under high temperature conditions, and drying can obtain polyamic acid derived carbon microspheres.

[0039] The above are only preferred embodiments of the present application, and do not limit the patent range of the present application, and any equivalent structural transformation made under the inventive concept of the present application, or direct / indirect application in other related technical fields, is included in the patent protection range of the present application.

Claims

1. An integrated spray pyrolysis apparatus, characterized by, The utility model relates to a kind of atomization device, including, Box, Material stirring tank, which is arranged outside the box; Atomization mechanism, the atomization mechanism includes atomization output pipe and atomizer, the atomization output pipe is erected on the upper end surface of the box, and the atomizer is arranged in the box, wherein one end of the atomizer is communicated with the material conveying pipe arranged in the material stirring tank, and the other end of the atomizer is communicated with the atomization output pipe; Carrier gas mechanism, the carrier gas mechanism includes air inlet assembly and gas pump, the air inlet assembly is arranged in the box, and the gas pump is arranged inside the box, wherein the gas inlet of the gas pump is communicated with the air inlet assembly, the first gas outlet of the gas pump is communicated with the atomization output pipe, and the second gas outlet of the gas pump is communicated with the airflow output pipe arranged in the material stirring tank; Control panel, the control panel is arranged on the outer surface of the box and is electrically connected with the atomization mechanism and the carrier gas mechanism respectively.

2. The integrated spray pyrolysis apparatus of claim 1, wherein, The atomizer includes atomization seat, material transmission pipe, transducer and oscillator, the atomization seat is arranged in the box, the oscillator is electrically connected with the transducer and is arranged in the water tank arranged inside the atomization seat, the material transmission pipe is arranged in the atomization seat, and the part of the material transmission pipe in the water tank is in contact with the transducer, the material conveying pipe of the material transmission pipe is communicated with the material conveying pipe arranged in the material stirring tank, and the material conveying pipe of the material transmission pipe is communicated with the atomization output pipe.

3. The integrated spray pyrolysis apparatus of claim 1, wherein, The air inlet assembly includes air inlet fan and air inlet pipe, the air inlet fan is erected on the box, the air inlet of the air inlet pipe is opposite to the air inlet fan, and the air outlet of the air inlet pipe is communicated with the gas inlet of the gas pump.

4. The integrated spray pyrolysis apparatus of claim 2, wherein, The atomization output pipe includes atomization output connection end, airflow connection end and discharge end arranged in communication with each other, the atomization output connection end is erected on the first support seat arranged in the box and is communicated with the discharge outlet of the material transmission pipe, and the airflow connection end is communicated with the first gas outlet of the gas pump.

5. The integrated spray pyrolysis apparatus of claim 4, wherein, The cross section of the atomization output pipe is T-shaped structure.

6. The integrated spray pyrolysis apparatus of claim 1, wherein, The box is provided with an observation window opposite to the atomizer.

7. The integrated spray pyrolysis apparatus of claim 1, wherein The box is provided with a through groove communicated with the inside, and a cooling fan is arranged at the through groove.

8. The integrated spray pyrolysis apparatus of claim 1, wherein, The box supports the second support seat of the material conveying pipe.

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