CN211303055U - Special forced turbulence double-acting reactor for molybdenum disulfide production - Google Patents
Special forced turbulence double-acting reactor for molybdenum disulfide production Download PDFInfo
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- CN211303055U CN211303055U CN201922170113.7U CN201922170113U CN211303055U CN 211303055 U CN211303055 U CN 211303055U CN 201922170113 U CN201922170113 U CN 201922170113U CN 211303055 U CN211303055 U CN 211303055U
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Abstract
A special forced turbulence double-acting reactor for producing molybdenum disulfide is characterized in that: the device comprises a reactor barrel, a reactor jacket sleeved outside the reactor barrel, a motor arranged at the top of the reactor barrel, and an emulsifying unit which is hoisted in the reactor barrel and driven by the motor; the emulsifying unit is composed of two one-way emulsifying machines with the same structure which are symmetrically arranged in a porous box body, so that solid-liquid reaction materials are sucked into an inner cavity from the upper direction and the lower direction of the emulsifying unit, slurry is dispersed in a high-gravity field formed by the high-speed rotation of the emulsifying machine, and is collided, rubbed and sheared between a stator and a rotor, and is ejected out from the circumferential direction of the emulsifying unit, the flow direction is changed by the collision of liquid resistance and the wall of a reactor to form turbulent flow, the solid-liquid mixed reaction process is strengthened, the particle size distribution of solid particles is refined, the dual functions of strengthening solid-liquid reaction and particle crushing are realized, the reaction time is shortened, and the.
Description
Technical Field
The utility model relates to a special two effect reactors of torrent of forcing of molybdenum disulfide production belongs to the chemical engineering field.
Background
Molybdenum disulfide is black powder with metallic luster, belongs to a hexagonal system, has diamagnetic and semiconductor properties, has a plurality of Mo-S prismatic surfaces and a large specific surface area, is a covalent bond in a layer, has van der Waals force between layers, is easy to separate the layers and shows a low friction coefficient. And because the sulfur has strong adhesive capacity to the metal, the molybdenum disulfide can be well adhered to the surface of the metal, the lubricating function is always exerted, particularly, the molybdenum disulfide still has a low friction coefficient under the conditions of high temperature and high vacuum, and the molybdenum disulfide can be widely applied to the solid lubricating industry as a good solid lubricating material due to the special performance of the molybdenum disulfide.
In the traditional molybdenum disulfide purification process, a reaction working section is a key link for producing high-quality molybdenum disulfide by removing impurities from molybdenum concentrate, a traditional impurity removal reactor adopts a common enamel reaction kettle, a frame type stirrer is arranged in the ordinary enamel reaction kettle, slurry prepared by proportioning and size mixing in the previous working section is added into the reaction kettle, a certain temperature is kept, and the reaction lasts for about 6-8 hours. However, the current process has the following problems: 1. the enamel reaction kettle is stirred in a frame mode, materials are mixed in a rotating laminar flow mode along the circumferential direction, molybdenum concentrate is easy to agglomerate, sink (large particles) and float (fine particles), the dispersion is not uniform, the reaction time is long, and the reaction is not thorough; 2. the kernel impurities of the molybdenum concentrate large particles can not be effectively removed, and the product quality is seriously influenced. How to find a method can not only solve the problem of strengthening the solid-liquid reaction process, but also crush and refine the solid particles, continuously renovate the surfaces of the solid particles, lead the impurity removal reaction to be more thorough, and improve the quality of the molybdenum disulfide product is the problem to be solved when the high-quality molybdenum disulfide is produced by the molybdenum concentrate acid leaching method at present.
Disclosure of Invention
The utility model aims at providing a special forced turbulence double-acting reactor for producing molybdenum disulfide aiming at the defects existing in the prior art. Utilize the utility model discloses can utilize the shearing force and the compulsory mixing action of high shear emulsifying machine, reinforce the solid-liquid reaction process for reaction rate improves the product quality, reduces reaction time, improves reaction efficiency.
The purpose of the utility model can be realized through the following measures:
the utility model discloses a special forced turbulence double-acting reactor for producing molybdenum disulfide, which comprises a reactor barrel, a reactor jacket sleeved outside the reactor barrel, a motor arranged at the top of the reactor barrel, and an emulsifying unit which is hoisted in the reactor barrel and is driven by the motor; the emulsifying machine set 4 is formed by two unidirectional emulsifying mechanisms which are arranged in a porous box body in a symmetrical combination mode and have the same structure, the unidirectional emulsifying machine is a high-shear solid-liquid dispersing mechanism which is formed by combining a group of rotors rotating at a high speed and a fixed stator, the unidirectional emulsifying machine can drive the rotors to rotate at a high speed through a motor to form an ultragravity field, the centers of the emulsifying machine can form a negative pressure zone through the high-speed rotation, materials are sucked into an inner cavity from an upper working zone or a lower working zone, and heterogeneous materials are fully mixed and crushed under the actions of shearing, collision, mechanical tearing and the like between the rotors and the stators. The size of the rotor of the emulsifying machine is 1/6 of the inner diameter of the barrel of the reactor, and the clearance between the rotor and the stator is 0.3-0.8 mm.
The lining material of the reactor cylinder in the utility model is made of enamel material, and the volume is 1000-3000L; the reactor jacket is matched with the shape structure of the middle lower part of the reactor cylinder, and the heat exchange area is 10-15m2。
The utility model discloses in each part of emulsification unit all adopts molybdenum disulfide anti-corrosion lubrication coating material to handle, makes emulsification unit can high corrosion-resistant and high lubrication degree.
The utility model discloses reaction unit in molybdenum concentrate acid leaching edulcoration production molybdenum disulfide is exclusively used in reaches solid-liquid and forces torrent mixed reaction and the crushing dual function of granule.
Furthermore, the power of the motor in the utility model is matched with the viscosity of the material according to the volume of the reactor, generally 4-22 KW; the emulsifying machine set is formed by symmetrically combining two identical one-way emulsifying machines into a porous box body, so that solid-liquid reaction materials are sucked into an inner cavity from the upper direction and the lower direction, slurry is dispersed in a supergravity field formed by the high-speed rotation of the emulsifying machines, and is collided, rubbed and sheared between a stator and a rotor, ejected from the circumferential direction of the emulsifying machine set, and the flow direction is changed by the collision of liquid resistance and the wall of a reactor to form turbulent flow; the clearance between the stator and the rotor in the emulsifying unit is less than 1 mm.
The working principle of the utility model is as follows:
the utility model is a forced turbulence system which consists of a motor, a reactor cylinder, a reactor jacket and an emulsifying unit; the emulsifying machine set is a key component for promoting solid-liquid fully-forced turbulent flow mixing and crushing and refining solid particles, two identical one-way emulsifying machines are symmetrically combined into a porous box body, each one-way emulsifying machine is a high-shear solid-liquid dispersing mechanism formed by combining a group of high-speed rotating rotors and fixed stators, the high-shear solid-liquid dispersing mechanism can drive the high-speed rotating machines to form a supergravity field through a motor, the high-speed rotating machines enable the centers of the emulsifying machines to form a negative pressure area, materials are sucked into an inner cavity from an upper working area or a lower working area, and the heterogeneous materials are fully mixed and crushed under the actions of shearing, collision, mechanical tearing and the like between the rotors and. The working principle is as follows:
1. under the effect of the supergravity generated by the rotor rotating at high speed, the upper feeding area and the lower feeding area of the working head form a negative pressure area to axially suck the molybdenum concentrate slurry into the working cavity.
2. The strong supergravity throws the material into the narrow and precise gap between the stator and the rotor, and the molybdenum concentrate slurry is crushed and dispersed under the action of supergravity extrusion and impact crushing.
3. The high-speed rotating rotor generates a linear speed of at least 15m/s, and strong mechanical and hydraulic shearing, liquid layer friction and impact tearing are formed, so that the slurry is fully mixed, reacted and crushed, and is radially ejected through the stator.
4. The slurry is continuously ejected from the radial direction at a high speed, the flow direction is changed under the resistance of the slurry and the wall of the container, meanwhile, two strong stirring turbulences are formed under the action of two spiral blades rotating at a high speed in the axial direction of the rotor, and the molybdenum disulfide impurity removal mixing reaction and the crushing process are finally completed after the slurry is repeatedly circulated and reacted, so that the dual functions of fully mixing the supergravity high-shear forced turbulent slurry and crushing particles are realized.
The utility model has the advantages as follows:
because the gap between the stator and the rotor in the emulsifying unit is less than 1mm, the solid-liquid slurry forms a strong turbulent flow, mechanical and hydraulic shearing due to a supergravity field formed by the rotor rotating at a high speed, the solid-liquid mixing reaction process is strengthened, the particle size distribution of solid particles is refined, the dual functions of strengthening solid-liquid reaction and particle crushing are realized, the reaction time is shortened, and the product quality is improved.
Drawings
Fig. 1 is a schematic flow chart of the present invention.
Number in the figure: 1. motor, 2, reactor barrel, 3, reactor jacket, 4, emulsification unit.
Detailed Description
The invention will be further described with reference to the following examples (drawings):
as shown in fig. 1, the special forced turbulent double-acting reactor for molybdenum disulfide production of the present invention comprises a reactor cylinder 2, a reactor jacket 3 sleeved outside the reactor cylinder 2, a motor 1 installed at the top of the reactor cylinder 2, and an emulsifying unit 4 which is hoisted in the reactor cylinder and driven by the motor 1; the emulsifying unit 4 is formed by two unidirectional emulsifying mechanisms with the same structure which are symmetrically arranged in a porous box body in a combined mode.
In the utility model, the volume of the reactor cylinder 2 is selected according to the production capacity, the lining material is prepared by enamel materials, and the volume is 1000-3000L; the reactor jacket 3 is matched with the shape structure of the middle lower part of the reactor cylinder, and the heat exchange area is 10-15m2。
Furthermore, the power of the motor 1 is matched with the viscosity of the materials according to the volume of the reactor, and is generally 4-22 KW; the emulsifying unit 4 is formed by symmetrically combining two unidirectional emulsifying machines with the same structure into a porous box body, so that solid-liquid reaction materials are sucked into an inner cavity from the upper direction and the lower direction, slurry is dispersed in a supergravity field formed by the high-speed rotation of the emulsifying machines, and is collided, rubbed and sheared between a stator and a rotor, ejected from the circumferential direction of the emulsifying unit, and the flow direction is changed by the liquid resistance and the collision of the reactor wall to form turbulent flow. All parts of the emulsifying unit 4 are treated by molybdenum disulfide anti-corrosion lubricating coating materials, so that the emulsifying unit can resist corrosion and has high lubrication degree.
The utility model discloses a concrete operation as follows:
1. checking whether the motor 1 and the emulsifying unit operate normally or not, and stopping the machine for standby after the operation is normal.
2. Pumping the molybdenum concentrate slurry in the previous section into the reactor cylinder 2, wherein the pumping amount is 600-1000mm above the submerged emulsifying unit 4.
3. And starting the motor 1, adjusting the rotating speed of the motor to 800 revolutions per minute and running for 5 minutes.
4. Heating was started by introducing heating steam into the reactor jacket 3, and the temperature was raised to 70-95 ℃.
5. And (3) regulating the rotation speed of the motor 1 to 1450 revolutions per minute, continuously operating for 120 minutes, detecting the slurry reaction result, and discharging after the slurry reaction result is qualified.
Claims (3)
1. A special forced turbulence double-acting reactor for producing molybdenum disulfide is characterized in that: the device comprises a reactor barrel, a reactor jacket sleeved outside the reactor barrel, a motor arranged at the top of the reactor barrel, and an emulsifying unit which is hoisted in the reactor barrel and driven by the motor; the emulsifying machine set is composed of two one-way emulsifying machines which are arranged in a porous box body in a symmetrical combination mode and have the same structure.
2. The special forced turbulent double-acting reactor for molybdenum disulfide production according to claim 1, wherein: the lining material of the reactor cylinder is prepared from an enamel material, and the volume is 1000-3000L; the reactor jacket is matched with the shape structure of the middle lower part of the reactor cylinder, and the heat exchange area is 10-15m2。
3. The special forced turbulent double-acting reactor for molybdenum disulfide production according to claim 1, wherein: each part of the emulsifying unit is treated by adopting a molybdenum disulfide anti-corrosion lubricating coating material, so that the emulsifying unit can have high corrosion resistance and high lubrication degree; the clearance between the stator and the rotor in the emulsifying unit is less than 1 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922170113.7U CN211303055U (en) | 2019-12-06 | 2019-12-06 | Special forced turbulence double-acting reactor for molybdenum disulfide production |
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| CN201922170113.7U CN211303055U (en) | 2019-12-06 | 2019-12-06 | Special forced turbulence double-acting reactor for molybdenum disulfide production |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756147A (en) * | 2019-12-06 | 2020-02-07 | 河南省化工研究所有限责任公司 | Special forced turbulence double-acting reactor for molybdenum disulfide production |
| CN114477116A (en) * | 2022-01-24 | 2022-05-13 | 上海弗鲁克科技发展有限公司 | Method for preparing phosphoric acid by using high-shear reactor |
-
2019
- 2019-12-06 CN CN201922170113.7U patent/CN211303055U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756147A (en) * | 2019-12-06 | 2020-02-07 | 河南省化工研究所有限责任公司 | Special forced turbulence double-acting reactor for molybdenum disulfide production |
| CN114477116A (en) * | 2022-01-24 | 2022-05-13 | 上海弗鲁克科技发展有限公司 | Method for preparing phosphoric acid by using high-shear reactor |
| CN114477116B (en) * | 2022-01-24 | 2023-11-28 | 上海弗鲁克科技发展有限公司 | Method for preparing phosphoric acid by using high shear reactor |
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