Modular high gravity reactor

Abstract

The utility model relates to supergravity reactor technical field especially relates to a kind of modular supergravity reactor.The modular supergravity reactor includes reactor shell, squirrel-cage type rotary drum, modular packing assembly, liquid distributor, liquid inlet regulating valve, gas distributor, air inlet regulating valve and rotating driving part;Squirrel-cage type rotary drum is rotatably arranged in reactor shell by rotating shaft;Rotating driving part drives rotating shaft rotation;Modular packing assembly includes coaxially arranged inner layer annular packing unit and outer layer annular packing unit in squirrel-cage type rotary drum;Liquid distributor and gas distributor are arranged in reactor shell in upper and lower opposite directions;Liquid inlet regulating valve is used to control the liquid amount of liquid distributor;Air inlet regulating valve is used to control the air intake of gas distributor.The utility model is convenient to replace and off-line cleaning packing, and it is convenient to prepare relatively uniform nano calcium carbonate particles of particle size.

Description

Technical Field

[0001] This utility model relates to the field of hypergravity reactor technology, and in particular to a modular hypergravity reactor. Background Technology

[0002] Nano-calcium carbonate holds significant importance in the chemical industry. Hypergravity reactors have made the industrialization of nano-calcium carbonate possible. However, existing hypergravity reactors mostly employ integral drum structures and integral annular packing, which suffer from problems such as large radial deformation, poor centrifugal force resistance, and uneven stress distribution during scale-up production. This leads to short reactor life, packing layer deformation due to compression, and uneven distribution of nanoparticles. Furthermore, replacing or cleaning the integral annular packing in an integral drum design requires shutting down the entire packing area, resulting in cumbersome operation, lengthy processing time, and high maintenance costs.

[0003] Therefore, it is necessary to provide a modular hypergravity reactor to solve the problems of existing hypergravity reactors that use an integral drum structure and integral annular packing. Utility Model Content

[0004] The purpose of this invention is to provide a modular hypergravity reactor, the specific technical solution of which is as follows: A modular hypergravity reactor includes a reactor shell, a squirrel-cage rotating drum, a modular packing assembly, a liquid distributor, an inlet regulating valve, a gas distributor, an inlet regulating valve, and a rotary drive component. The squirrel-cage drum is rotatably mounted inside the reactor shell via a rotating shaft; The fixed end of the rotary drive is connected to the reactor shell, while its output end is connected to the rotary shaft. The modular packing assembly includes an inner annular packing unit and an outer annular packing unit coaxially arranged within the squirrel cage drum; the inner annular packing unit includes multiple inner fan-shaped packing blocks; the outer annular packing unit includes multiple outer fan-shaped packing blocks; each of the outer fan-shaped packing blocks is arranged one-to-one with the radial outer end of each of the inner fan-shaped packing blocks; The liquid distributor is disposed within the annular cavity formed by the inner annular packing unit and is located at one end of the annular cavity near the top of the reactor shell; the liquid distributor includes multiple spray nozzles; the liquid distributor is connected to the liquid supply equipment through a liquid inlet pipe; the liquid inlet regulating valve is disposed on the liquid inlet pipe; The gas distributor is located at the bottom of the reactor shell and includes multiple jet ports corresponding to the modular packing assembly; the gas distributor is connected to the gas supply equipment through an inlet pipe; and the inlet regulating valve is located on the inlet pipe.

[0005] Optionally, the outer fan-shaped packing block may use any one of the following fillers: metal wire mesh, metal fiber felt, metal corrugated plate, metal sieve plate, and foam metal.

[0006] Optionally, the inner fan-shaped packing block may use any one of the following fillers: metal wire mesh, metal fiber felt, metal corrugated plate, metal sieve plate, and foam metal.

[0007] Optionally, the squirrel-cage drum includes a perforated base plate, a perforated top cover, and a support column; the perforated base plate and the perforated top cover are arranged facing each other and connected by the support column; a plurality of first fan-shaped step slots are provided on the perforated base plate corresponding to the modular packing assembly; a plurality of second fan-shaped step slots are provided on the perforated top cover corresponding to the modular packing assembly; each second fan-shaped step slot and each first fan-shaped step slot are arranged facing each other in a one-to-one correspondence to form a limiting space for limiting the inner fan-shaped packing block and the outer fan-shaped packing block arranged at the radial outer end of the inner fan-shaped packing block.

[0008] Optionally, the hollowed-out base plate is a concentric ring frame structure, and a first radial spoke is provided between each pair of adjacent first sector-shaped step slots.

[0009] Optionally, the hollow top cover is a concentric ring frame structure, and a second radial spoke is provided between each pair of adjacent second sector-shaped step slots.

[0010] Optionally, the gas distributor includes an annular gas distribution pipe and a gas guide pipe; each of the gas jets is spaced apart on the annular gas distribution pipe; the gas guide pipe is connected to the annular gas distribution pipe, and the gas guide pipe is detachably connected to the bottom of the reactor shell, and is connected to the gas supply equipment through the gas inlet pipe.

[0011] Optionally, the liquid distributor includes a plurality of spray nozzles arranged in a ring, and the spray direction is radially outward toward the annular cavity.

[0012] Optionally, the liquid inlet regulating valve includes a liquid inlet solenoid valve; the air inlet regulating valve includes an air inlet solenoid valve.

[0013] Optionally, the modular hypergravity reactor further includes a PLC controller; the PLC controller is mounted on the reactor shell and connected to the liquid inlet solenoid valve, the air inlet solenoid valve, and the rotary drive component.

[0014] The application of the technical solution of this utility model has at least the following beneficial effects: This invention provides a modular high-gravity reactor that utilizes modular packing components to achieve independent and detachable inner and outer fan-shaped packing blocks. This facilitates rapid, localized replacement and offline cleaning of damaged or clogged inner and / or outer fan-shaped packing blocks without disassembling the integral annular packing, reducing maintenance time by more than 50% and avoiding the high cost and dynamic balance readjustment issues associated with complete replacement. This significantly improves the continuous operation capability and economy of the equipment, solving the problem in existing technologies where replacing or cleaning the integral annular packing requires stopping the entire packing area, resulting in cumbersome operation, lengthy processing time, and high maintenance costs. Furthermore, the inner fan-shaped packing blocks in this invention form an inner nucleation zone, facilitating mass transfer and nucleation of the calcium hydroxide slurry input from the liquid supply equipment; the outer fan-shaped packing blocks form an outer growth zone, facilitating the growth of nucleated calcium carbonate particles into relatively uniform nano-calcium carbonate particles. Furthermore, this invention arranges the liquid distributor and the gas distributor vertically opposite each other, which facilitates a cross-flow effect between the calcium hydroxide slurry and carbon dioxide gas (provided by the gas supply equipment), thereby improving mass transfer efficiency. Additionally, this invention regulates the liquid distribution rate via the liquid inlet regulating valve and the gas distribution rate via the gas inlet regulating valve, facilitating the auxiliary control of calcium carbonate particle nucleation and growth.

[0015] In addition to the objectives, features, and advantages described above, this utility model has other objectives, features, and advantages. The present utility model will now be described in further detail with reference to the figures. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the modular hypergravity reactor in the embodiment; Figure 2 This is a schematic diagram of the structure of a squirrel-cage rotary drum; Figure 3 This is a structural schematic diagram of a modular filler assembly; Figure 4 This is a schematic diagram of a gas distributor.

[0018] Reference numerals: 1. Reactor shell; 2. Squirrel-cage drum; 2.1. Hollowed-out bottom plate; 2.1.1. First sector-shaped stepped groove; 2.1.2. First radial spoke; 2.2. Hollowed-out top cover; 2.2.1. Second sector-shaped stepped groove; 2.2.2. Second radial spoke; 2.3. Support column; 3. Modular packing assembly; 3.1. Inner sector-shaped packing block; 3.2. Outer sector-shaped packing block; 4. Liquid distributor; 5. Gas distributor; 5.1. Annular gas distribution pipe; 5.1.1. Jet nozzle; 5.2. Gas guide pipe; 6. Rotary drive component; 7. Rotary shaft. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example: See Figures 1-4 A modular hypergravity reactor includes a reactor shell 1, a squirrel-cage rotating drum 2, a modular packing assembly 3, a liquid distributor 4, a liquid inlet regulating valve (specifically a liquid inlet solenoid valve, not shown in the figure), a gas distributor 5, an air inlet regulating valve (specifically an air inlet solenoid valve, not shown in the figure), and a rotary drive component 6 (specifically a motor). The squirrel-cage drum 2 is rotatably mounted inside the reactor shell 1 via a rotating shaft 7; The fixed end of the rotary drive 6 is connected to the reactor shell 1, while its output end is connected to the rotary shaft 7. The modular packing assembly 3 includes an inner annular packing unit and an outer annular packing unit coaxially arranged within the squirrel cage drum 2; the inner annular packing unit includes multiple (e.g., six) inner fan-shaped packing blocks 3.1; the outer annular packing unit includes multiple (e.g., six) outer fan-shaped packing blocks 3.2; each of the outer fan-shaped packing blocks 3.2 is arranged one-to-one with the radial outer end of each of the inner fan-shaped packing blocks 3.1; The liquid distributor 4 is disposed within the annular cavity formed by the inner annular packing unit and is located at one end of the annular cavity near the top of the reactor shell 1; the liquid distributor 4 includes multiple spray nozzles; the liquid distributor 4 is connected to a liquid supply device (for supplying calcium hydroxide slurry) through a liquid inlet pipe; the liquid inlet regulating valve is disposed on the liquid inlet pipe; The gas distributor 5 is located at the bottom inside the reactor shell 1, and includes a plurality of jet ports 5.1.1 corresponding to the modular packing assembly 3; the gas distributor 5 is connected to the gas supply equipment (for supplying carbon dioxide gas) through the gas inlet pipe; the gas inlet regulating valve is located on the gas inlet pipe.

[0021] The outer fan-shaped packing block 3.2 uses any one of the following fillers: metal wire mesh, metal fiber felt, metal corrugated plate, metal sieve plate, and metal foam. In this embodiment, the outer fan-shaped packing block 3.2 is specifically selected as a metal corrugated plate.

[0022] The inner fan-shaped packing block 3.1 uses any one of the following fillers: metal wire mesh, metal fiber felt, metal corrugated plate, metal sieve plate, and metal foam. In this embodiment, the inner fan-shaped packing block 3.1 is specifically selected as metal fiber felt.

[0023] See Figure 2 The squirrel-cage drum 2 includes a perforated base plate 2.1, a perforated top cover 2.2, and a support column 2.3. The perforated base plate 2.1 and the perforated top cover 2.2 are arranged facing each other and connected by the support column 2.3. A plurality of first fan-shaped step grooves 2.1.1 are provided on the perforated base plate 2.1 corresponding to the modular packing assembly 3. A plurality of second fan-shaped step grooves 2.2.1 are provided on the perforated top cover 2.2 corresponding to the modular packing assembly 3. Each second fan-shaped step groove 2.2.1 and each first fan-shaped step groove 2.1.1 are arranged facing each other to form a limiting space for limiting the inner fan-shaped packing block 3.1 and the outer fan-shaped packing block 3.2 arranged at the radial outer end of the inner fan-shaped packing block 3.1. The squirrel-cage drum 2 uses a first sector-shaped step groove 2.1.1 and a second sector-shaped step groove 2.2.1 arranged in opposite directions to form a limiting space for limiting the inner sector-shaped packing block 3.1 and the outer sector-shaped packing block 3.2 set at the radial outer end of the inner sector-shaped packing block 3.1.

[0024] The hollow base plate 2.1 is a concentric ring frame structure, and a first radial spoke 2.1.2 is provided between each pair of adjacent first fan-shaped step slots 2.1.1 to facilitate the reinforcement of the hollow base plate 2.1.

[0025] The hollow top cover 2.2 is a concentric ring frame structure, and a second radial spoke 2.2.2 is provided between each two adjacent second fan-shaped step slots 2.2.1 to facilitate the reinforcement of the hollow top cover 2.2.

[0026] See Figure 4The gas distributor 5 includes an annular gas distribution pipe 5.1 and a gas guide pipe 5.2; each of the gas nozzles 5.1.1 is arranged at intervals on the annular gas distribution pipe 5.1; the gas guide pipe 5.2 is connected to the annular gas distribution pipe 5.1, and the gas guide pipe 5.2 is detachably connected to the bottom of the reactor shell 1, and is connected to the gas supply equipment through the gas inlet pipe.

[0027] The liquid distributor 4 includes a plurality of spray nozzles arranged in a ring, and the spraying direction is radially outward toward the annular cavity, ensuring that the sprayed calcium hydroxide slurry passes through the inner fan-shaped packing block 3.1 and the outer fan-shaped packing block 3.2, thereby improving the mass transfer efficiency with carbon dioxide gas.

[0028] The modular hypergravity reactor also includes a PLC controller; the PLC controller is mounted on the reactor shell 1 and connected to the liquid inlet solenoid valve, the air inlet solenoid valve and the rotary drive 6, which facilitates intelligent control of the modular hypergravity reactor.

[0029] The operation method of the modular hypergravity reactor provided in this embodiment is as follows: The PLC controller opens the liquid inlet regulating valve, allowing calcium hydroxide slurry from the liquid supply equipment to be sprayed into the modular packing assembly 3 through the spray nozzles of the liquid distributor 4. The PLC controller also opens the air inlet regulating valve, allowing carbon dioxide gas from the gas supply equipment to be sprayed into the modular packing assembly 3 through the jet nozzles 5.1.1 of the gas distributor 5. The PLC controller activates the rotary drive 6 to drive the rotary shaft 7, thereby causing the squirrel-cage drum 2 and the modular packing assembly 3 to rotate. By controlling the rotational speed of the rotary shaft 7, the liquid inlet regulating valve, and the air inlet regulating valve, the nucleation and growth of calcium carbonate particles can be controlled.

[0030] The operating principle of the modular hypergravity reactor provided in this embodiment is as follows: The modular packing assembly 3 enables the independent and detachable installation of the inner fan-shaped packing block 3.1 and the outer fan-shaped packing block 3.2. This facilitates rapid local replacement and offline cleaning of specific damaged or blocked inner fan-shaped packing blocks 3.1 and / or outer fan-shaped packing blocks 3.2 without disassembling the integral annular packing, reducing maintenance time by more than 50% and avoiding the high cost and dynamic balance readjustment issues of integral replacement. This significantly improves the continuous operation capability and economy of the equipment, solving the problem in the existing technology where replacing or cleaning the integral annular packing under the integral drum design requires stopping the machine to disassemble the entire packing area, resulting in cumbersome operation, long time consumption, and high maintenance costs. Furthermore, in this embodiment, the inner fan-shaped packing block 3.1 is used to form the inner ring nucleation zone, facilitating mass transfer and nucleation of calcium hydroxide slurry; the outer fan-shaped packing block 3.2 is used to form the outer ring growth zone, facilitating the growth of nucleated calcium carbonate particles into relatively uniform nano-calcium carbonate particles. Furthermore, in this embodiment, the liquid distributor 4 and the gas distributor 5 are arranged vertically opposite each other, which facilitates cross-flow of calcium hydroxide slurry and carbon dioxide gas, thereby improving mass transfer efficiency. Additionally, this invention uses a liquid inlet regulating valve to adjust the liquid distribution rate and an air inlet regulating valve to adjust the gas distribution rate, facilitating the auxiliary control of calcium carbonate particle nucleation and growth.

[0031] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A modular supergravity reactor, characterized in that, It includes a reactor shell (1), a squirrel-cage drum (2), a modular packing assembly (3), a liquid distributor (4), a liquid inlet regulating valve, a gas distributor (5), an air inlet regulating valve, and a rotary drive (6). The squirrel-cage drum (2) is rotatably mounted inside the reactor shell (1) via a rotating shaft (7); The fixed end of the rotary drive (6) is connected to the reactor shell (1), while its output end is connected to the rotary shaft (7). The modular packing assembly (3) includes an inner annular packing unit and an outer annular packing unit coaxially arranged within the squirrel cage drum (2); the inner annular packing unit includes multiple inner fan-shaped packing blocks (3.1); the outer annular packing unit includes multiple outer fan-shaped packing blocks (3.2); each outer fan-shaped packing block (3.2) is arranged one-to-one with the radial outer end of each inner fan-shaped packing block (3.1); The liquid distributor (4) is disposed in the annular cavity formed by the inner annular packing unit and is located at one end of the annular cavity near the top of the reactor shell (1); the liquid distributor (4) includes multiple spray nozzles; the liquid distributor (4) is connected to the liquid supply equipment through the liquid inlet pipe; the liquid inlet regulating valve is disposed on the liquid inlet pipe; The gas distributor (5) is located at the bottom of the reactor shell (1) and includes multiple air jets (5.1.1) corresponding to the modular packing assembly (3); the gas distributor (5) is connected to the gas supply equipment through the air inlet pipe; the air inlet regulating valve is located on the air inlet pipe.

2. The modular hypergravity reactor as described in claim 1, characterized in that, The outer fan-shaped packing block (3.2) uses any one of the following packing materials: metal wire mesh, metal fiber felt, metal corrugated plate, metal sieve plate and foam metal.

3. The modular hypergravity reactor as described in claim 1, characterized in that, The inner fan-shaped packing block (3.1) uses any one of the following packing materials: metal wire mesh, metal fiber felt, metal corrugated plate, metal sieve plate and foam metal.

4. The modular hypergravity reactor as described in claim 1, characterized in that, The squirrel-cage drum (2) includes a perforated base plate (2.1), a perforated top cover (2.2), and a support column (2.3); the perforated base plate (2.1) and the perforated top cover (2.2) are arranged facing each other and connected by the support column (2.3); a plurality of first sector-shaped step slots (2.1.1) are provided on the perforated base plate (2.1) corresponding to the modular filling assembly (3); a plurality of second sector-shaped step slots (2.2.1) are provided on the perforated top cover (2.2) corresponding to the modular filling assembly (3); each second sector-shaped step slot (2.2.1) and each first sector-shaped step slot (2.3) 2.1.1) They are arranged in a one-to-one correspondence and facing each other to form a limiting space, which is used to limit the inner fan-shaped packing block (3.1) and the outer fan-shaped packing block (3.2) arranged at the radial outer end of the inner fan-shaped packing block (3.1).

5. The modular hypergravity reactor as described in claim 4, characterized in that, The hollowed-out base plate (2.1) is a concentric ring frame structure, and in each adjacent pair of the first sector-shaped step slots ( A first radial spoke (2.1.2) is provided between each of the two.

6. The modular hypergravity reactor as described in claim 4, characterized in that, The hollow top cover (2.2) is a concentric ring frame structure, and a second radial spoke (2.2.2) is provided between each two adjacent second fan-shaped step slots (2.2.1).

7. The modular hypergravity reactor as described in any one of claims 1 to 6, characterized in that, The gas distributor (5) includes an annular gas distribution pipe (5.1) and a gas guide pipe (5.2); each of the gas nozzles (5.1.1) is spaced apart on the annular gas distribution pipe (5.1); the gas guide pipe (5.2) is connected to the annular gas distribution pipe (5.1), and the gas guide pipe (5.2) is detachably connected to the bottom of the reactor shell (1), and is connected to the gas supply equipment through the gas inlet pipe.

8. The modular hypergravity reactor as described in claim 7, characterized in that, The liquid distributor (4) includes a plurality of liquid spraying ports arranged in a ring, and the spraying direction is radially outward toward the annular cavity.

9. The modular hypergravity reactor as described in claim 8, characterized in that, The liquid inlet regulating valve includes a liquid inlet solenoid valve; the air inlet regulating valve includes an air inlet solenoid valve.

10. The modular hypergravity reactor as described in claim 9, characterized in that, It also includes a PLC controller; the PLC controller is mounted on the reactor shell (1) and connected to the liquid inlet solenoid valve, the air inlet solenoid valve and the rotary drive (6).

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