CN212882369U - Hypergravity reaction unit of molybdenum disulfide - Google Patents
Hypergravity reaction unit of molybdenum disulfide Download PDFInfo
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- CN212882369U CN212882369U CN202021159637.2U CN202021159637U CN212882369U CN 212882369 U CN212882369 U CN 212882369U CN 202021159637 U CN202021159637 U CN 202021159637U CN 212882369 U CN212882369 U CN 212882369U
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Abstract
The utility model relates to a molybdenum disulfide's hypergravity reaction unit, including support and the casing that sets up in the support upper end, enclose in the casing and close and form the reaction chamber, be provided with the hypergravity rotary drum in the reaction chamber, be provided with driving motor below the casing, be connected with the transmission shaft between the lower terminal surface of hypergravity rotary drum and driving motor output shaft, the transmission shaft vertically alternates the bottom plate of casing and rotates the seal assembly with the bottom plate, set up cylindrical through-hole on the lateral wall of hypergravity rotary drum; the cylindrical through holes comprise a plurality of cylindrical through holes which are respectively distributed at intervals along the circumferential direction and the axial direction of the supergravity rotating drum; a liquid supply pipe and a gas supply pipe which are respectively communicated with the reaction chamber are arranged at the upper end of the shell, the liquid outlet end of the liquid supply pipe extends into the supergravity rotating drum, and the lower end part of the shell is connected with a liquid discharge pipe; the drain pipe is provided with a control valve; the ammonium molybdate solution and the hydrogen sulfide gas are fully mixed and reacted by adopting a supergravity centrifugal dispersion mode, so that the production efficiency of the molybdenum disulfide is improved.
Description
Technical Field
The utility model belongs to the reaction unit field, in particular to molybdenum disulfide's hypergravity reaction unit.
Background
Molybdenum disulfide is an important solid lubricant, and can be well adhered to the surface of metal to play a lubricating function all the time due to the strong adhesion capacity of sulfur to the metal; because of stable chemical properties, the lubricating grease still has good lubricating function under the conditions of high temperature and high vacuum; therefore, the molybdenum disulfide powder is used as a solid lubricant and widely applied to the lubrication industry.
The preparation method of the molybdenum disulfide comprises molybdenite concentrate purification and chemical synthesis; the molybdenum disulfide produced by the chemical synthesis method has the characteristics of high production purity and less impurities. Chemical synthesis method: sending the ammonium molybdate solution into a vulcanizer, vulcanizing with hydrogen sulfide to produce ammonium molybdate sulfide, acidifying with hydrochloric acid to obtain molybdenum trisulfide, and thermally decomposing to obtain molybdenum disulfide. The mixing reaction of the ammonium molybdate solution and the hydrogen sulfide directly influences the production efficiency of the molybdenum disulfide. Because hydrogen sulfide is gas and ammonium molybdate solution is liquid, the mixing effect is poor, and the full mixing reaction of the ammonium molybdate solution and hydrogen sulfide gas is not facilitated.
SUMMERY OF THE UTILITY MODEL
In order to ensure that the ammonium molybdate solution is fully mixed and reacted with the hydrogen sulfide gas, the production efficiency of the molybdenum disulfide is improved; the utility model provides a hypergravity reaction device of molybdenum disulfide; in order to achieve the above object, the utility model discloses a technical scheme specifically as follows:
a hypergravity reaction device of molybdenum disulfide comprises a support and a shell arranged at the upper end of the support, wherein a reaction chamber is formed by enclosing in the shell, a hypergravity rotary drum is arranged in the reaction chamber, a driving motor is arranged below the shell, a transmission shaft is connected between the lower end surface of the hypergravity rotary drum and an output shaft of the driving motor, the transmission shaft vertically penetrates through a bottom plate of the shell and is in rotating and sealing assembly with the bottom plate, and a cylindrical through hole is formed in the side wall of the hypergravity rotary drum; the cylindrical through holes comprise a plurality of cylindrical through holes which are respectively distributed at intervals along the circumferential direction and the axial direction of the supergravity rotating drum; a liquid supply pipe and a gas supply pipe which are respectively communicated with the reaction chamber are arranged at the upper end of the shell, the liquid outlet end of the liquid supply pipe extends into the supergravity rotating drum, and the lower end part of the shell is connected with a liquid discharge pipe; the drain pipe is provided with a control valve.
The utility model discloses a molybdenum disulfide's hypergravity reaction unit's beneficial effect: filling hydrogen sulfide gas into the reaction chamber through the gas supply pipe; the ammonium molybdate solution is introduced into the hypergravity rotary drum through the liquid supply pipe, the hypergravity rotary drum rotates at a high speed under the driving action of the driving motor, and under the action of centrifugal force, the ammonium molybdate solution is dispersed and thrown out, is fully mixed with hydrogen sulfide gas in the reaction chamber and then is gathered at the lower end part of the reaction chamber; the ammonium molybdate solution and the hydrogen sulfide gas are fully mixed and reacted by adopting a supergravity centrifugal dispersion mode, so that the production efficiency of the molybdenum disulfide is improved.
Furthermore, an annular blocking edge is arranged at the upper end of the supergravity rotating drum, the annular blocking edge and the supergravity rotating drum are of an integrated structure, and the liquid outlet end of the liquid supply pipe is located on the central axis of the supergravity rotating drum.
Has the advantages that: by arranging the annular blocking edge, the ammonium molybdate solution is prevented from overflowing from the upper end part of the hypergravity rotary drum due to overhigh rotating speed of the hypergravity rotary drum; the annular blocking edge and the hypergravity rotary drum are of an integrated structure, the connection is firm and stable, the balanced rotation of the hypergravity rotary drum is facilitated, and the liquid outlet end of the liquid supply pipe is located on the central axis of the hypergravity rotary drum, so that the centrifugal dispersion of ammonium molybdate solution is facilitated.
Further, molybdenum disulfide's hypergravity reaction unit still includes the heater, the heater is including setting up the heater strip in the lateral wall of casing, heater strip spiral winding is in the lateral wall of casing the external surface of the lateral wall of casing is fixed with the heat preservation.
Has the advantages that: heating by a heating wire to ensure that the temperature in the reaction chamber is kept within a certain range, which is beneficial to the reaction of ammonium molybdate solution and hydrogen sulfide gas; the outer surface of the side wall of the shell is fixed with the heat-insulating layer, so that the heat-insulating property of the shell is improved, and the temperature maintenance in the reaction chamber is facilitated.
Further, the supergravity reaction device for molybdenum disulfide further comprises a processor and a temperature sensor arranged on the inner surface of the side wall of the shell, and the processor is in electrical signal connection with the temperature sensor and the heater respectively.
Has the advantages that: the temperature sensor detects the temperature in the reaction chamber, generates a signal and transmits the signal to the controller, and the controller sends an instruction to adjust the heating power of the heater, so that the reaction chamber can be maintained within a certain temperature range.
Further, a liquid level gauge is fixed to an inner surface of a side wall of the housing, and the liquid level gauge is used for monitoring the depth of liquid in the housing.
Has the advantages that: the level gauge is used for detecting the height of the effusion in the reaction chamber, prevents the inner bottom surface of the effusion submergence hypergravity rotary drum, is unfavorable for the centrifugal dispersion with ammonium molybdate solution.
Furthermore, the control valve is an electromagnetic valve, and the processor is respectively in electric signal connection with the liquid level meter and the electromagnetic valve.
Has the advantages that: after the accumulated liquid submerges the liquid level meter, the liquid level meter generates an electric signal and transmits the electric signal to the processor, the processor sends out an instruction, and the electromagnetic valve is opened to discharge the accumulated liquid.
Further, a pressure detector is arranged at the upper end of the shell and used for detecting the air pressure in the reaction chamber.
Has the advantages that: through setting up the pressure detector for detect the atmospheric pressure in the reaction chamber, make the hydrogen sulfide in the reaction chamber maintain certain concentration, be favorable to ammonium molybdate solution and hydrogen sulfide gas intensive mixing reaction.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of a supergravity reaction apparatus for molybdenum disulfide according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 3;
FIG. 5 is a schematic structural view of a three-dimensional hypergravity drum of an embodiment of the apparatus for reacting molybdenum disulfide with hypergravity of the present invention;
fig. 6 is a schematic diagram of a molybdenum disulfide hypergravity reaction apparatus according to an embodiment of the present invention.
Reference numbers in the figures: 1-bracket, 2-shell, 3-reaction chamber, 4-driving motor, 5-transmission shaft, 6-super-gravity rotating drum, 7-liquid supply pipe, 8-gas supply pipe, 9-bearing, 10-sealing ring, 11-cylindrical through hole, 12-annular retaining edge, 13-heating wire, 14-temperature sensor, 15-liquid level meter, 16-pressure detector, 17-heat preservation layer, 18-control valve and 19-liquid discharge pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
the embodiment of the utility model discloses a molybdenum disulfide's hypergravity reaction unit's concrete structure is shown in figure 1, figure 2, figure 3 and figure 5, including support 1, casing 2, driving motor 4, transmission shaft 5 and hypergravity rotary drum 6. The shell 2 is fixed on the upper end of the bracket 1, and a reaction chamber 3 is formed in the shell 2 in an enclosing manner. A liquid supply pipe 7 and an air supply pipe 8 are arranged at the upper end of the shell 2, one end of the air supply pipe 8 is connected with a hydrogen sulfide gas source, and the other end of the air supply pipe 8 extends into the reaction chamber 3 and is used for injecting hydrogen sulfide gas into the reaction chamber 3. One end of the liquid supply pipe 7 is connected with a liquid source of ammonium molybdate solution, and the other end extends into the reaction chamber 3 and is used for injecting ammonium molybdate into the hypergravity rotary drum 6. A drain pipe 19 is connected to the lower end portion of the casing 2, and a control valve 18 is provided in the drain pipe 19.
The hypergravity rotary drum 6 sets up in reaction chamber 3, and driving motor 4 sets up on support 1 of casing 2 below, and transmission shaft 5 sets up between the lower terminal surface of hypergravity rotary drum 6 and 4 output shafts of driving motor, and the axial of axis of rotation is vertical arranges, and transmission shaft 5 alternates the bottom plate of casing 2 to and rotate sealed assembly between the bottom plate, both ends are fixed with the lower terminal surface of 4 output shafts of driving motor and hypergravity rotary drum 6 respectively. As shown in fig. 4, the rotating sealing assembly between the transmission shaft 5 and the bottom plate is a through groove formed in the bottom plate, a bearing 9 is arranged in the through groove, an outer ring of the bearing 9 is fixedly connected with a side wall of the through groove, the transmission shaft 5 is inserted and fixed in an inner ring of the bearing 9, and a sealing ring 10 is arranged at the upper end of the bearing 9 for sealing the through groove.
Cylindrical through holes 11 are formed in the side wall of the supergravity rotating drum 6, and the cylindrical through holes 11 comprise a plurality of cylindrical through holes which are respectively arranged along the axial direction and the axial direction of the supergravity rotating drum 6 at intervals. In the embodiment, the upper end of the hypergravity rotating cylinder 6 is provided with the annular blocking edge 12, and the ammonium molybdate solution is prevented from overflowing from the upper end of the hypergravity rotating cylinder 6 due to the overhigh rotating speed of the hypergravity rotating cylinder 6 by the annular blocking edge 12. The annular blocking edge 12 and the hypergravity rotary drum 6 are of an integrated structure, the annular blocking edge 12 and the hypergravity rotary drum 6 are firmly and stably connected, and the hypergravity rotary drum 6 is favorably balanced and rotated. The liquid outlet end of the liquid supply pipe 7 is positioned on the central axis of the supergravity rotating drum 6; is beneficial to the centrifugal dispersion of the ammonium molybdate solution. In other embodiments, the annular ledge may be absent when the rotational speed of the high-gravity bowl is not greater than the rotational speed at which liquid is spun from the upper end within the high-gravity bowl.
As shown in fig. 6, in this embodiment, the supergravity reaction device for molybdenum disulfide further includes a heater, a processor and a temperature sensor 14, the temperature sensor 14 is disposed on the inner surface of the sidewall of the housing 2 for detecting the temperature in the reaction chamber 3, the heater includes a control switch and a heating wire 13, the heating wire 13 is spirally wound in the sidewall of the housing 2, the processor is respectively connected with the temperature sensor 14 and the heater by electrical signals, the temperature sensor 14 detects the temperature in the reaction chamber 3 and generates electrical signals, the electrical signals are transmitted to the processor through a wire, after the analysis processing by the processor, a command signal is sent to the heater, the heating power of the heating wire 13 is adjusted by the control switch, so that the temperature in the reaction chamber 3 is maintained within a certain temperature range, which is beneficial to the reaction between the ammonium molybdate solution and the hydrogen sulfide gas, the processor is a common 51-chip microcomputer, the temperature sensor 14 is a Pt100 platinum thermal temperature sensor 14. An insulating layer 17 is fixed on the outer surface of the side wall of the shell 2; the heat preservation performance of the shell 2 is improved, and the temperature maintenance in the reaction chamber 3 is facilitated.
In the present embodiment, a liquid level meter 15 is fixed to the inner surface of the side wall of the housing 2, and the liquid level meter 15 is located below the bottom surface of the supergravity drum 6 in the vertical direction; the control valve 18 arranged on the liquid discharge pipe 19 is an electromagnetic valve, the processor is respectively in electrical signal connection with the liquid level meter 15 and the electromagnetic valve, and the liquid level meter 15 is specifically a high-temperature-resistant liquid level sensor. The level gauge 15 is used to monitor the depth of the liquid in the housing 2; the inner bottom surface of the supergravity rotary drum 6 is prevented from being immersed by the accumulated liquid, which is not beneficial to the centrifugal dispersion with the ammonium molybdate solution. After the accumulated liquid submerges the liquid level meter 15, the liquid level meter 15 generates an electric signal and transmits the electric signal to the processor, the processor sends out an instruction, and the electromagnetic valve is opened to discharge the accumulated liquid. In other embodiments, the liquid level meter may not be provided, the control valve is a manual valve, and the depth of the accumulated liquid is controlled by opening an observation window on the housing and adopting a mode of manual observation and manual control of the valve.
In the present embodiment, a pressure detector 16 is disposed at the upper end of the housing 2, the pressure detector 16 is specifically a pressure gauge, and the pressure detector 16 is used for detecting the air pressure in the reaction chamber 3; therefore, the hydrogen sulfide in the reaction chamber 3 is maintained at a certain concentration, which is beneficial to the full mixing reaction of the ammonium molybdate solution and the hydrogen sulfide gas. In other embodiments, no pressure detector is provided at the upper end of the housing, and the gas pressure in the reaction chamber is adjusted by adjusting the flow rate of the gas supply pipe.
When in use: the reaction chamber 3 is filled with hydrogen sulfide gas through the gas supply pipe 8; the ammonium molybdate solution is introduced into the hypergravity rotary drum 6 through the liquid supply pipe 7, the hypergravity rotary drum 6 rotates at a high speed under the driving action of the driving motor 4, and under the action of centrifugal force, the ammonium molybdate solution is dispersed and thrown out, is fully mixed with hydrogen sulfide gas in the reaction chamber 3 and then is gathered at the lower end part of the reaction chamber 3; after the accumulated liquid submerges the liquid level meter 15, the liquid level meter 15 generates an electric signal and transmits the electric signal to the processor, the processor sends out an instruction, and the electromagnetic valve is opened to discharge the accumulated liquid. The ammonium molybdate solution and the hydrogen sulfide gas are fully mixed and reacted by adopting a supergravity centrifugal dispersion mode, so that the production efficiency of the molybdenum disulfide is improved.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (7)
1. The supergravity reaction device of molybdenum disulfide is characterized by comprising a support and a shell arranged at the upper end of the support, wherein a reaction chamber is formed by enclosing in the shell, a supergravity rotating drum is arranged in the reaction chamber, a driving motor is arranged below the shell, a transmission shaft is connected between the lower end surface of the supergravity rotating drum and an output shaft of the driving motor, the transmission shaft vertically penetrates through a bottom plate of the shell and is in rotating and sealing assembly with the bottom plate, and a cylindrical through hole is formed in the side wall of the supergravity rotating drum; the cylindrical through holes comprise a plurality of cylindrical through holes which are respectively distributed at intervals along the circumferential direction and the axial direction of the supergravity rotating drum; a liquid supply pipe and a gas supply pipe which are respectively communicated with the reaction chamber are arranged at the upper end of the shell, the liquid outlet end of the liquid supply pipe extends into the supergravity rotating drum, and the lower end part of the shell is connected with a liquid discharge pipe; the drain pipe is provided with a control valve.
2. The hypergravity reaction device of molybdenum disulfide of claim 1, characterized in that the upper end of the hypergravity revolving drum is provided with an annular baffle edge, the annular baffle edge and the hypergravity revolving drum are of an integrated structure, and the liquid outlet end of the liquid supply pipe is located on the central axis of the hypergravity revolving drum.
3. The hypergravity reaction device of molybdenum disulfide of claim 2, characterized in that, the hypergravity reaction device of molybdenum disulfide further comprises a heater, the heater comprises a heating wire arranged in the side wall of the shell, the heating wire is spirally wound in the side wall of the shell, and an insulating layer is fixed on the outer surface of the side wall of the shell.
4. The hypergravity reaction device of molybdenum disulfide of claim 3, further comprising a processor, a temperature sensor disposed on the inner surface of the side wall of the shell, wherein the processor is electrically connected with the temperature sensor and the heater.
5. The hypergravity reaction apparatus of molybdenum disulfide of claim 4, wherein a level gauge is fixed to the inner surface of the side wall of the shell, said level gauge being used to monitor the depth of liquid within the shell.
6. The hypergravity reaction apparatus of molybdenum disulfide of claim 4, wherein the control valve is a solenoid valve, and the processor is in electrical signal connection with the liquid level meter and the solenoid valve respectively.
7. The hypergravity reaction apparatus of molybdenum disulfide of claim 1, wherein a pressure detector is provided at the upper end of the shell for detecting the gas pressure in the reaction chamber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021159637.2U CN212882369U (en) | 2020-06-22 | 2020-06-22 | Hypergravity reaction unit of molybdenum disulfide |
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| CN202021159637.2U CN212882369U (en) | 2020-06-22 | 2020-06-22 | Hypergravity reaction unit of molybdenum disulfide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113461061A (en) * | 2021-07-28 | 2021-10-01 | 洛阳申雨钼业有限责任公司 | Preparation method of high-purity molybdenum disulfide |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113461061A (en) * | 2021-07-28 | 2021-10-01 | 洛阳申雨钼业有限责任公司 | Preparation method of high-purity molybdenum disulfide |
| CN113461061B (en) * | 2021-07-28 | 2022-08-23 | 洛阳申雨钼业有限责任公司 | Preparation method of high-purity molybdenum disulfide |
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