CN206955665U - A kind of high shear outer circulation prepares the reaction unit of ultra-fine molybdenum disulfide - Google Patents
A kind of high shear outer circulation prepares the reaction unit of ultra-fine molybdenum disulfide Download PDFInfo
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- CN206955665U CN206955665U CN201720820087.6U CN201720820087U CN206955665U CN 206955665 U CN206955665 U CN 206955665U CN 201720820087 U CN201720820087 U CN 201720820087U CN 206955665 U CN206955665 U CN 206955665U
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Abstract
The utility model discloses the reaction unit that a kind of high shear outer circulation prepares ultra-fine molybdenum disulfide.The device is sequentially connected the outer circulation closed-circuit system that logical reactor, Homogenizing pump and tubular heat exchanger form by inner chamber；The lower outlet of reactor is connected by pipeline and valve I with the import of Homogenizing pump, and the outlet of Homogenizing pump is connected by pipeline with the tube side lower inlet of tubular heat exchanger, and the tube side upper outlet of tubular heat exchanger is connected by pipeline and valve II with the upper inlet of reactor；The import of Homogenizing pump is connected with feed pipe and material inlet valve, and the tube side upper outlet of tubular heat exchanger is connected with discharge pipe and discharge valve, exports under the shell side upper inlet and shell side of tubular heat exchanger and is connected respectively by pipeline with outside heating equipment.Ultra-fine molybdenum disulfide can be directly prepared using the utility model, traditional follow-up link that grinds is saved, reduces equipment investment；Solve ptfe autoclave by heat-exchange system and heat slow, high energy consumption problem.
Description
Technical field
The reaction unit that a kind of high shear outer circulation prepares ultra-fine molybdenum disulfide is the utility model is related to, belongs to chemical industry neck
Domain.
Background technology
Molybdenum disulfide is a kind of black powder with metallic luster, belongs to hexagonal crystal system, and it has diamagnetism and half
The property of conductor, wherein Mo-S faceted pebbles are more, and specific surface area is big, are covalent bond in layer, are then Van der Waals force between layers, layer with
It is easily separated between layer, shows very low coefficient of friction.And because sulphur has very strong adhesive capacity to metal, it can make
Molybdenum disulfide is attached to metal surface well, plays lubricating function all the time, particularly under conditions of high temperature, high vacuum, still
With relatively low coefficient of friction, due to its property, can be widely used in as good solid lubricant solid
Body lubricant industry.
In traditional molybdenum disulfide purifying technique, general method is added into corrosion resistant ptfe autoclave
Enter hydrochloric acid and molybdenum concntrate, the inner chamber of reactor is kept certain temperature by the medium in heating response kettle chuck, it is agitated, simultaneously
After reacting certain time, molybdenum disulfide powder is prepared by the process for filtering, washing, dry, crushing.But current traditional work
There is following point for skill：1st, the heat-transfer effect extreme difference of corrosion resistant ptfe autoclave, reaction are heated to certain temperature
Degree needs the time to grow, high energy consumption；2nd, the particle of molybdenum concntrate is thicker, and size distribution is wide, both has seriously to chemical subtraction effect
Influence, while the grain graininess for producing product is big, distribution is wide, it is also necessary to which follow-up supersonic pneumatic milling, which crushes, could prepare excess of export
Thin molybdenum disulfide powder.How finding a kind of method, can both to have solved product granularity big, and reaction heat transfer rate can again accelerated
Problem be problem to be solved in the utility model.
The content of the invention
The purpose of this utility model is exactly to be provided a kind of high for the weak point in the presence of above-mentioned prior art
Shearing outer circulation prepares the reaction unit of ultra-fine molybdenum disulfide.Ultra-fine curing can be directly prepared using the utility model
Molybdenum, eliminate the follow-up supersonic pneumatic milling of tradition grinds link, reduces equipment investment；Meanwhile by outer circulation
Heat-exchange system solve that ptfe autoclave heating is slow, the problem of high energy consumption.
The purpose of this utility model can be realized by following measures：
The reaction unit that high shear outer circulation of the present utility model prepares ultra-fine molybdenum disulfide be sequentially connected by inner chamber it is logical
Reactor, Homogenizing pump and tubular heat exchanger composition outer circulation closed-circuit system；Wherein, the lower outlet of reactor by pipeline and
Valve I is connected with the import of Homogenizing pump, and the outlet of Homogenizing pump is connected by pipeline with the tube side lower inlet of tubular heat exchanger, tubulation
The tube side upper outlet of heat exchanger is connected by pipeline and valve II with the upper inlet of reactor；Meanwhile the import of Homogenizing pump is with entering
Pipe material and material inlet valve are connected, and the tube side upper outlet of tubular heat exchanger is connected with discharge pipe and discharge valve, tubulation
Export under the shell side upper inlet and shell side of heat exchanger and be connected respectively by pipeline with outside heating equipment.
In addition, reactor described in the utility model is ptfe autoclave；Homogenizing pump is tantalum surface coating homogeneous
Pump, there is extremely strong corrosion resistance；Tubular heat exchanger is tube-type graphite modified polypropene heat exchanger, and heat-transfer effect is good, resistance to
Corrosivity is strong.
Operation principle of the present utility model is as follows：
The inner chamber of reactor, Homogenizing pump and tubular heat exchanger is sequentially connected logical shape by the utility model by pipeline and valve
Into an outer circulation closed-circuit system.The slurry for being pre-mixed and being modulated by hydrochloric acid, molybdenum concntrate, water and auxiliary agent passes through feed pipe
And material inlet valve enters outer circulation closed-circuit system；Then, molybdenum disulfide slurry flows through Homogenizing pump, homogeneous after being stirred in reactor
Pump is run at high speed by motor driven high shear rotor, solid-liquid material particles is attenuated in the presence of mechanical external force, granularity point
Cloth narrows, i.e., molybdenum disulfide particles are further broken for ultra-fine molybdenum disulfide particles under the high shear forces of Homogenizing pump；Meanwhile
Under the high shear driving of Homogenizing pump, the ultra-fine grain molybdenum disulfide slurry after crushing is pumped into the tube side of tubular heat exchanger
In chamber, by the heat effect of the steam circulated in tubular heat exchanger shell side, molybdenum disulfide slurry is heated and passes through control
The amount for heating steam keeps certain reaction temperature；In inner chamber of the slurry along pipeline pumped back reactor after heating, under starting
The links such as one stirring taken turns, crushing, heating and thermal insulation, reaction；When the ultra-fine molybdenum disulfide slurry sampling in outer circulation closed-circuit system
When detection meets technological requirement, discharge valve is opened, ultra-fine molybdenum disulfide slurry is transported to outside splicing along discharge pipe and filled
In putting, to carry out the flows such as follow-up filtering, washing, drying to prepare ultra-fine molybdenum disulfide powder.Therefore, this reality is utilized
Ultra-fine molybdenum disulfide can be directly prepared with new, eliminate the follow-up supersonic pneumatic milling of tradition grinds link,
Reduce equipment investment；Meanwhile to solve ptfe autoclave heating slow, high energy consumption by the heat-exchange system of outer circulation
Problem.
The beneficial effects of the utility model are as follows：
Ultra-fine molybdenum disulfide can be directly prepared using the utility model, eliminates the follow-up supersonic pneumatic milling of tradition
Grind link, reduce equipment investment；Meanwhile solves ptfe autoclave by the heat-exchange system of outer circulation
Heating is slow, the problem of high energy consumption.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Sequence number in figure：1st, reactor, 2, Homogenizing pump, 3, tubular heat exchanger, 4, valve I, 5, valve II, 6, discharge valve,
7th, material inlet valve.
Embodiment
The utility model is below with reference to embodiment（Accompanying drawing）It is further described：
As shown in figure 1, the reaction unit that high shear outer circulation of the present utility model prepares ultra-fine molybdenum disulfide is by inner chamber
It is sequentially connected the outer circulation closed-circuit system that logical reactor 1, Homogenizing pump 2 and tubular heat exchanger 3 form；Wherein, under reactor 1
Outlet is connected by pipeline and valve I 4 with the import of Homogenizing pump 2, and the outlet of Homogenizing pump 2 passes through pipeline and tubular heat exchanger 3
Tube side lower inlet is connected, and the tube side upper outlet of tubular heat exchanger 3 is connected by pipeline and valve II 5 with the upper inlet of reactor 1；
Meanwhile the import of Homogenizing pump 2 is connected with feed pipe and material inlet valve 7, the tube side upper outlet and discharge nozzle of tubular heat exchanger 3
Road and discharge valve 6 are connected, and are exported under the shell side upper inlet and shell side of tubular heat exchanger 3 respectively by pipeline and outside heat supply
Equipment is connected.
In addition, reactor 1 described in the utility model is ptfe autoclave；Homogenizing pump 2 is that tantalum surface coating is equal
Matter pump, there is extremely strong corrosion resistance；Tubular heat exchanger 3 is tube-type graphite modified polypropene heat exchanger, heat-transfer effect is good,
Corrosion resistance is strong.
Particular condition in use of the present utility model is as follows：
Valve I 4 and discharge valve 6 are closed, opens material inlet valve 7 and valve II 5；Then, Homogenizing pump 2 is opened, will be by salt
The slurry that acid, molybdenum concntrate, water and auxiliary agent are pre-mixed and modulated is pumped into reactor by Homogenizing pump 2 through tubular heat exchanger 3
1；After charging terminates, material inlet valve 7 is closed, valve I 4 is opened, logical reactor 1, Homogenizing pump 2 and tubulation is sequentially connected by inner chamber
Heat exchanger 3 constitutes an outer circulation closed-circuit system；Now, Homogenizing pump 2 is remaining in operation, and starts reactor 1 and starts to stir, opens
Open outside heating equipment, heated by the shell side heating system of tubular heat exchanger 3 to whole outer circulation closed-circuit system, and pass through control
The amount of system heating steam keeps certain reaction temperature.Meet technological requirement after testing when being sampled from outer circulation closed-circuit system
When, close valve II 5, open discharge valve 6, meet that the ultra-fine molybdenum disulfide slurry of requirement is just transported to outside along discharge pipe
In portion's material-receiving device, to carry out the flows such as follow-up filtering, washing, drying to prepare ultra-fine molybdenum disulfide powder.
Claims (1)
1. a kind of high shear outer circulation prepares the reaction unit of ultra-fine molybdenum disulfide, it is characterised in that：It is by inner chamber successively phase
The reactor of connection（1）, Homogenizing pump（2）And tubular heat exchanger（3）The outer circulation closed-circuit system of composition；Wherein, reactor（1）'s
Lower outlet passes through pipeline and valve I（4）With Homogenizing pump（2）Import be connected, Homogenizing pump（2）Outlet changed by pipeline and tubulation
Hot device（3）Tube side lower inlet be connected, tubular heat exchanger（3）Tube side upper outlet pass through pipeline and valve II（5）With reactor
（1）Upper inlet be connected；Meanwhile Homogenizing pump（2）Import and feed pipe and material inlet valve（7）It is connected, tubular heat exchanger
（3）Tube side upper outlet and discharge pipe and discharge valve（6）It is connected, tubular heat exchanger（3）Shell side upper inlet and shell side
Lower outlet is connected by pipeline with outside heating equipment respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720820087.6U CN206955665U (en) | 2017-07-07 | 2017-07-07 | A kind of high shear outer circulation prepares the reaction unit of ultra-fine molybdenum disulfide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720820087.6U CN206955665U (en) | 2017-07-07 | 2017-07-07 | A kind of high shear outer circulation prepares the reaction unit of ultra-fine molybdenum disulfide |
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| Publication Number | Publication Date |
|---|---|
| CN206955665U true CN206955665U (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720820087.6U Active CN206955665U (en) | 2017-07-07 | 2017-07-07 | A kind of high shear outer circulation prepares the reaction unit of ultra-fine molybdenum disulfide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600113A (en) * | 2021-08-02 | 2021-11-05 | 山东鸿瑞新材料科技有限公司 | System for improving molecular weight distribution of medium-molecular polyisobutylene |
-
2017
- 2017-07-07 CN CN201720820087.6U patent/CN206955665U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600113A (en) * | 2021-08-02 | 2021-11-05 | 山东鸿瑞新材料科技有限公司 | System for improving molecular weight distribution of medium-molecular polyisobutylene |
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