CN208532248U - The system that nano magnesia is prepared using magnesium chloride solution - Google Patents
The system that nano magnesia is prepared using magnesium chloride solution Download PDFInfo
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- CN208532248U CN208532248U CN201820729247.0U CN201820729247U CN208532248U CN 208532248 U CN208532248 U CN 208532248U CN 201820729247 U CN201820729247 U CN 201820729247U CN 208532248 U CN208532248 U CN 208532248U
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Abstract
The utility model discloses the system for preparing nano magnesia using magnesium chloride solution, solves energy consumption height in the prior art, the device is complicated, and cost of investment is high, the problem not friendly enough to environment.The utility model includes: solution material-compound tank, the first solution reservoir, the second solution reservoir, third solution reservoir, emulsifying kettle, reaction kettle reacts liquid storage tank, the first centrifuge, washing kettle-centrifugal chiller, drying machine, roaster, rotary kiln, circulating water cooling device and packing machine.The utility model design science, structurally reasonable, cost of investment is low, can be realized the recycling of resource, environmentally friendly.
Description
Technical field
System the utility model relates to prepare nano magnesia using magnesium chloride solution.
Background technique
Nano magnesia is white powder, and tasteless, nontoxic, product cut size is small, and specific surface area with higher has simultaneously
Different from the light of general magnesium oxide material, electricity, magnetic and chemical characteristic, there is high rigidity, high-purity and high-melting-point.The prior art
In, magnesia is generally roasted by magnesium hydroxide and is made.Because the crystal structure and physicochemical properties of magnesium hydroxide itself, make to lead to
It crosses magnesium hydroxide made from various methods and reunites that serious, particle is big, is difficult to disperse, aoxidized made of this magnesium hydroxide roasts coal
Magnesium size is bigger than normal, inhomogenous, material property decline.And during the preparation process, there are energy consumption height, the device is complicated, and cost of investment is high,
The problem not friendly enough to environment.
Therefore it provides a kind of system for preparing nano magnesia, equipment is simple, and cost of investment is low, is able to achieve returning for resource
It receives and utilizes, it is environmentally friendly, become those skilled in the art's urgent problem to be solved.
Utility model content
Technical problem to be solved by the utility model is: the system for preparing nano magnesia using magnesium chloride solution is provided,
Energy consumption height in the prior art is solved, the device is complicated, and cost of investment is high, the problem not friendly enough to environment.
To achieve the above object, the technical solution adopted in the utility model is as follows:
The system that nano magnesia is prepared using magnesium chloride solution, comprising:
Solution material-compound tank, solution material-compound tank are used to match respectively using magnesium chloride, sodium carbonate and sodium hydroxide and deionized water
It is set to magnesium chloride solution, sodium carbonate liquor and sodium hydroxide solution；
First solution reservoir, the first solution reservoir is for caching the magnesium chloride solution configured by solution material-compound tank；
Second solution reservoir, the second solution reservoir is for caching by the configured sodium carbonate liquor of solution material-compound tank；
Third solution reservoir, third solution reservoir is for caching the sodium hydroxide solution configured by solution material-compound tank；
Emulsifying kettle, emulsifying kettle is for being prepared into paraffin for refined paraffin wax, ethyl alcohol, surfactant and deionized water in proportion
Lotion and by-product alcohol volatile matter；
Reaction kettle, reaction kettle are used for the temporary paraffin wax emulsions prepared by emulsifying kettle, and by temporary paraffin wax emulsions
Addition the magnesium chloride solution in the first solution reservoir, the sodium carbonate liquor in the second solution reservoir be prepared into magnesium carbonate/
Paraffin compound pulp solution and by-product alcohol volatile matter；
Liquid storage tank is reacted, reaction liquid storage tank is used to cache the magnesium carbonate/paraffin compound pulp solution prepared by reaction kettle；
First centrifuge, the first centrifuge are used to that the magnesium carbonate/paraffin compound slurry cached will to be reacted molten in liquid storage tank
Liquid is separated into a filter cake and sodium chloride solution；
Washing kettle-centrifugal chiller, washing kettle-centrifugal chiller are used to carry out the filter cake isolated by the first centrifuge
Washing separation is repeatedly to obtain four filter cakes；
Drying machine, drying machine for will by four filtration cakes torrefactions that the washing of washing kettle-centrifugal chiller is isolated at magnesium carbonate/
Paraffin composite solids powder；
Roaster, magnesium carbonate/paraffin composite solids powder that roaster is used to be dried to by drying machine is in oxygen ring
Magnesia solid powder and high-temperature tail gas are fired into border；
Rotary kiln, rotary kiln are brilliant for that will be carried out by the resulting magnesia solid powder of roaster high-temperature roasting
Change processing to obtain nano oxidized magnesium dust；
Circulating water cooling device, circulating water cooling device are used to that the nanometer of Crystallizing treatment completion will to be carried out by rotary kiln
Magnesium oxide powder carries out circulating water processing；
And packing machine, packing machine treated for will carry out circulating water by circulating water cooling device magnesia powder
End is packaged into finished product nano magnesia.
It further, further include the first constant flow pump, the second constant flow pump, the first constant flow pump is used for will be in the first solution reservoir
Magnesium chloride solution is added in the paraffin wax emulsions kept in reaction kettle；Second constant flow pump is used for the sodium carbonate in the second solution reservoir
Solution constant current is added in the paraffin wax emulsions kept in reaction kettle.
It further, further include alcohol distillation column, alcohol distillation column is produced by emulsifying kettle and reaction kettle respectively for recycling
Raw by-product alcohol volatile matter.
It further, further include evaporator, the high-temperature tail gas and be centrifuged by first that evaporator is used to be generated by roaster
The sodium chloride solution that machine is isolated is exchanged heat so that sodium chloride solution is condensed into industrial grade sodium chloride and high-temperature vapor, simultaneously
High-temperature tail gas becomes low temperature exhaust gas.
It further, further include absorption tower, absorption tower is for inhaling the sodium hydroxide solution in third solution reservoir
The low temperature exhaust gas that receipts carry out flash-pot is stored again with generating sodium carbonate liquor into third solution reservoir.
It further, further include condenser, high-temperature vapor of the condenser for flash-pot in future is condensed into low temperature
Ionized water.
Further, washing kettle-centrifugal chiller includes being sequentially connected the first washing kettle connect, the second centrifuge, second washing
Wash kettle, third centrifuge, absorption kettle and the 4th centrifuge.
Further, further include water tank, water tank for storing deionized water, the low temperature that recycling carrys out condenser go from
Sub- water, and be simultaneously that emulsifying kettle, solution material-compound tank, the first washing kettle, the second washing kettle and absorption kettle supply deionized water.
Compared with prior art, the utility model has the following beneficial effects:
(1) the utility model design science, structurally reasonable, cost of investment is low, can be realized the recycling of resource, to ring
Border is friendly.
(2) the utility model by the alcohol volatile matter generated in the alcohol volatile matter generated in emulsifying kettle, reaction kettle 4 send to
It is recycled in alcohol distillation column；It is sold outside after sodium chloride solution is concentrated as industrial salt；The filtrate of washing filter cake is followed
Ring uses, and the heat of high-temperature tail gas is used for heating evaporation device, sodium chloride solution is concentrated, obtained low temperature exhaust gas and hydrogen-oxygen
Change carbon reaction and generate sodium carbonate, is re-used as raw material use.System of the invention realizes the recycling of material, efficiently reduces
Pollution to environment, while reducing production cost.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the process flow chart that nano magnesia is prepared using the utility model.
Wherein, the corresponding title of appended drawing reference are as follows:
1- solution material-compound tank, the first solution reservoir of 201-, the second solution reservoir of 202-, 203- third solution reservoir, 3- cream
Change kettle, 4- reaction kettle, 5- reaction liquid storage tank, the first centrifuge of 6-, 7- drying machine, 8- roaster, the rotary kiln of 9-, 10- to follow
Ring water-cooling apparatus, 11- packing machine, the first constant flow pump of 121-, the second constant flow pump of 122-, 13- alcohol distillation column, 14- first are washed
Kettle, the second centrifuge of 15-, the second washing kettle of 16-, 17- third centrifuge, 18- absorption kettle, the 4th centrifuge of 19-, 20- is washed to steam
Send out device, the absorption tower 21-, 22- condenser, 23- water tank.
Specific embodiment
The utility model is described in further detail with embodiment for explanation with reference to the accompanying drawing, and the mode of the utility model includes
But it is not limited only to following embodiment.
Embodiment
As shown in Figure 1, the system provided by the utility model for preparing nano magnesia using magnesium chloride solution, comprising:
Solution material-compound tank 1, the solution material-compound tank 1 are used to use magnesium chloride, sodium carbonate and sodium hydroxide and deionized water
It is each configured to magnesium chloride solution, sodium carbonate liquor and sodium hydroxide solution；
First solution reservoir 201, first solution reservoir 201 are used to cache to be configured by the solution material-compound tank 1
Magnesium chloride solution；
Second solution reservoir 202, second solution reservoir 202 is for caching by the configured carbon of the solution material-compound tank 1
Acid sodium solution；
Third solution reservoir 203, the third solution reservoir 203 are used to cache to be configured by the solution material-compound tank 1
Sodium hydroxide solution；
Emulsifying kettle 3, the emulsifying kettle 3 is in proportion preparing refined paraffin wax, ethyl alcohol, surfactant and deionized water
At paraffin wax emulsions and by-product alcohol volatile matter；
Reaction kettle 4, the reaction kettle 4 is for the temporary paraffin wax emulsions prepared by the emulsifying kettle 3, and by temporary
The magnesium chloride solution in the first solution reservoir 201, the sodium carbonate liquor in the second solution reservoir 202 are added in paraffin wax emulsions
To be prepared into magnesium carbonate/paraffin compound pulp solution and by-product alcohol volatile matter；
Liquid storage tank 5 is reacted, the reaction liquid storage tank 5 is used to cache the magnesium carbonate/paraffin prepared by the reaction kettle 4 multiple
Close object pulp solution；
First centrifuge 6, first centrifuge 6 are used for the magnesium carbonate/paraffin that will be cached in the reaction liquid storage tank 5
Compound pulp solution is separated into a filter cake and sodium chloride solution；
Washing kettle-centrifugal chiller, the washing kettle-centrifugal chiller is for the primary filter to being isolated by the first centrifuge 6
Cake carries out washing separation repeatedly to obtain four filter cakes；
Drying machine 7, the drying machine 7 are used to do four filter cakes isolated by the washing kettle-centrifugal chiller washing
It is dry at magnesium carbonate/paraffin composite solids powder；
Roaster 8, the roaster 8 are used for the magnesium carbonate/paraffin composite solids powder that will be dried to by the drying machine 7
End is fired into magnesia solid powder and high-temperature tail gas in oxygen atmosphere；
Rotary kiln 9, the rotary kiln 9 by the resulting magnesia of 8 high-temperature roasting of roaster for that will be consolidated
Body powder carries out Crystallizing treatment to obtain nano oxidized magnesium dust；
Circulating water cooling device 10, the circulating water cooling device 10 will be for that will carry out crystallization by the rotary kiln 9
The nano oxidized magnesium dust that processing is completed carries out circulating water processing；
And packing machine 11, the packing machine 11 will be for that will carry out circulating water by the circulating water cooling device 10
Magnesium oxide powder after reason is packaged into finished product nano magnesia.
The utility model further includes the first constant flow pump 121, the second constant flow pump 122, and first constant flow pump 121 is used for will
Magnesium chloride solution in first solution reservoir 201 is added in the paraffin wax emulsions kept in the reaction kettle 4；Described second is permanent
Stream pump 122 is for being added the paraffin kept in the reaction kettle 4 for the sodium carbonate liquor constant current in second solution reservoir 202
In lotion.
The utility model further includes alcohol distillation column 13, and the alcohol distillation column 13 is for recycling respectively by the emulsifying kettle
3 and the reaction kettle 4 caused by by-product alcohol volatile matter.
The utility model further includes evaporator 20, and the evaporator 20 is used for the high temperature tail that will be generated by the roaster 8
It gas and is exchanged heat by the sodium chloride solution that first centrifuge 6 is isolated so that the sodium chloride solution is condensed into technical grade
Sodium chloride and high-temperature vapor, while high-temperature tail gas becomes low temperature exhaust gas.
The utility model further includes absorption tower 21, and the absorption tower 21 is for making in the third solution reservoir 203
Sodium hydroxide solution absorb the low temperature exhaust gas from the evaporator 20 stored again with generating sodium carbonate liquor to the third
In solution reservoir 203.
The utility model further includes condenser 22, and the condenser 22 from the high-temperature water of the evaporator 20 for that will steam
Low temperature deionized water is congealed into air cooling.
Washing kettle-centrifugal chiller described in the utility model includes being sequentially connected the first washing kettle 14, the second centrifuge connect
15, the second washing kettle 16, third centrifuge 17, absorption kettle 18 and the 4th centrifuge 19.
The utility model further includes water tank 23, and the water tank 23 is for storing deionized water, and recycling is from described cold
The low temperature deionized water of condenser 22, and simultaneously for the emulsifying kettle 3, the solution material-compound tank 1, first washing kettle 14,
Second washing kettle 16 and the absorption kettle 18 supply deionized water.
Solution material-compound tank 1 described in the utility model, the first solution reservoir 201, the second solution reservoir 202, third solution
Storage tank 203, emulsifying kettle 3, reaction kettle 4, reaction liquid storage tank 5, the first centrifuge 6, drying machine 7, roaster 8, rotary kiln 9,
Circulating water cooling device 10, packing machine 11, the first constant flow pump 121, the second constant flow pump 122, alcohol distillation column 13, the first washing kettle
14, the second centrifuge 15, the second washing kettle 16, third centrifuge 17, absorption kettle 18, the 4th centrifuge 19, evaporator 20, suction
The positional relationship of tower 21, condenser 22 and water tank 23 in the system for preparing nano magnesia using magnesium chloride solution is received to be detailed in
Such as Fig. 1.
As shown in Fig. 2, as follows using the preferred flow that the utility model prepares nano magnesia:
In proportion by refined paraffin wax, ethyl alcohol, surfactant and deionized water in emulsifying kettle 3 under constant temperature stirring condition
It is prepared into paraffin wax emulsions and by-product alcohol volatile matter；The alcohol volatile matter, which is sent into alcohol distillation column 13, to be recycled；It is described
Paraffin wax emulsions are sent into reaction kettle 4；
Magnesium chloride and deionized water are configured to magnesium chloride solution in solution material-compound tank 1, then by the magnesium chloride solution
It is stored in the first solution storage tanks 201；
Sodium carbonate and deionized water are configured to sodium carbonate liquor in solution material-compound tank 1, then by the sodium carbonate liquor
It is stored in the second solution storage tanks 202；
Sodium hydroxide and deionized water are configured to sodium hydroxide solution in solution material-compound tank 1, then by the hydroxide
Sodium solution is stored in third solution storage tanks 203；
By the magnesium chloride solution being stored in the first solution storage tanks 201, it is stored in the second solution storage tanks 202
Sodium carbonate liquor passes through the first constant flow pump 121 respectively, constant speed is added in reaction kettle 4 the second constant flow pump 122 simultaneously, in stirring bar
It under part, is reacted with the paraffin wax emulsions in reaction kettle, generates magnesium carbonate/paraffin compound pulp solution and the volatilization of by-product alcohol
Object；By-product alcohol volatile matter, which is sent into alcohol distillation column 13, to be recycled, and the magnesium carbonate/paraffin compound pulp solution is sent to anti-
It answers and is cached in liquid storage tank 5；
It magnesium carbonate/paraffin compound pulp solution for caching in liquid storage tank 5 will be reacted will send to the first centrifuge 6 and be separated into one
Secondary filter cake and sodium chloride solution；Filter cake is sent to washing kettle-centrifugal chiller to be washed repeatedly, specifically:
Agitator treating is sent into the first washing kettle 14 to obtain a pulp solution filter cake, by the primary slurry
Material solution, which is sent in into the second centrifuge 15, to be centrifugated, and secondary filter cake and secondary filtrate are obtained；The secondary filtrate is sent to molten
In liquid material-compound tank 1, prepared for material solution；
The secondary filter cake send into the second washing kettle 16 agitator treating to obtain secondary slurry solution, by the secondary slurry
Solution send into third centrifuge 17 and is centrifugated, and obtains filter cake three times and three times filtrate；The filtrate three times returns to second and washes
It washs in kettle 16, the washing for secondary filter cake；
The filter cake three times, which is sent, to be adsorbed into absorption kettle 18 with the deionized water being stored in water tank 22, is starched three times
Expect solution, the pulp solution three times is sent into the 4th centrifuge 19 and is centrifugated, four filter cakes and four filtrates are obtained；Institute
It states filtrate three times to return in the first washing kettle 14, the washing for a filter cake；
The sodium chloride solution is sent into evaporator 20, and high-temperature vapor and technical grade chlorination are obtained after heated concentration
Sodium, the industry and sodium chloride are sold outside；The high-temperature vapor is condensed into low temperature deionized water in condenser 22, then is sent to storage
In water pot 22；
Four filter cakes obtain drying after sending into drying machine 7 drying, obtain magnesium carbonate/paraffin composite solids powder；
The magnesium carbonate/paraffin composite solids powder is sent into roaster 8, magnesia solid powder and high-temperature tail gas, institute are generated
High-temperature tail gas is stated as heat source and send into evaporator 20 heating evaporation device 20, obtains low temperature exhaust gas；By the low temperature exhaust gas send to
In absorption tower 21, is reacted with from the sodium hydroxide solution being delivered in absorption tower 21 in third solution storage tanks 203 and generate carbon
Acid sodium solution；The sodium carbonate liquor generated in absorption tower 21 is sent into the second solution storage tanks 202 again, is made as raw material
With；
Magnesia solid powder after roast in roasting furnace 8 is sent and carries out Crystallizing treatment into rotary kiln 9, is obtained
Nano oxidized magnesium dust；After sending into circulating water cooling device 10 the nano oxidized magnesium dust to cooling, then send to packing machine
It is packed in 11, obtains finished product nano magnesia.
Above-described embodiment is only one of preferred embodiments of the present invention, should not be taken to limit the utility model
Protection scope, as long as the utility model body design thought and mentally make have no the change of essential meaning or profit
Color, it is solved the technical issues of it is still consistent with the utility model, the protection scope of the utility model should all be included in
Within.
Claims (8)
1. the system for preparing nano magnesia using magnesium chloride solution characterized by comprising
Solution material-compound tank (1), the solution material-compound tank (1) are used to use magnesium chloride, sodium carbonate and sodium hydroxide and deionized water
It is each configured to magnesium chloride solution, sodium carbonate liquor and sodium hydroxide solution；
First solution reservoir (201), first solution reservoir (201) are configured for caching by the solution material-compound tank (1)
Magnesium chloride solution；
Second solution reservoir (202), second solution reservoir (202) are configured for caching by the solution material-compound tank (1)
Sodium carbonate liquor；
Third solution reservoir (203), the third solution reservoir (203) are configured for caching by the solution material-compound tank (1)
Sodium hydroxide solution；
Emulsifying kettle (3), the emulsifying kettle (3) is in proportion preparing refined paraffin wax, ethyl alcohol, surfactant and deionized water
At paraffin wax emulsions and by-product alcohol volatile matter；
Reaction kettle (4), the reaction kettle (4) are used for the temporary paraffin wax emulsions prepared by the emulsifying kettle (3), and by temporary
Paraffin wax emulsions in magnesium chloride solution of the addition in the first solution reservoir (201), the carbonic acid in the second solution reservoir (202)
Sodium solution is to be prepared into magnesium carbonate/paraffin compound pulp solution and by-product alcohol volatile matter；
It reacts liquid storage tank (5), reaction liquid storage tank (5) is used to cache multiple by the magnesium carbonate/paraffin of the reaction kettle (4) preparation
Close object pulp solution；
First centrifuge (6), first centrifuge (6) are used for the magnesium carbonate/paraffin that will be cached in reaction liquid storage tank (5)
Compound pulp solution is separated into a filter cake and sodium chloride solution；
Washing kettle-centrifugal chiller, the washing kettle-centrifugal chiller are used for the filter cake isolated by the first centrifuge (6)
Washing separation repeatedly is carried out to obtain four filter cakes；
Drying machine (7), the drying machine (7) are used to do four filter cakes isolated by the washing kettle-centrifugal chiller washing
It is dry at magnesium carbonate/paraffin composite solids powder；
Roaster (8), the roaster (8) is for will be by magnesium carbonate/paraffin composite solids that the drying machine (7) are dried to
Powder is fired into magnesia solid powder and high-temperature tail gas in oxygen atmosphere；
Rotary kiln (9), the rotary kiln (9) is used for will be by the resulting magnesia of the roaster (8) high-temperature roasting
Solid powder carries out Crystallizing treatment to obtain nano oxidized magnesium dust；
Circulating water cooling device (10), the circulating water cooling device (10) are brilliant for that will be carried out by the rotary kiln (9)
Change the nano oxidized magnesium dust that processing is completed and carries out circulating water processing；
And packing machine (11), the packing machine (11) will be for that will carry out circulating water by the circulating water cooling device (10)
Treated, and magnesium oxide powder is packaged into finished product nano magnesia.
2. the system according to claim 1 for preparing nano magnesia using magnesium chloride solution, which is characterized in that further include
First constant flow pump (121), the second constant flow pump (122), first constant flow pump (121) are used for first solution reservoir
(201) magnesium chloride solution in is added in the paraffin wax emulsions kept in the reaction kettle (4)；Second constant flow pump (122) is used
In the paraffin wax emulsions that will be kept in the sodium carbonate liquor constant current addition reaction kettle (4) in second solution reservoir (202)
In.
3. the system according to claim 2 for preparing nano magnesia using magnesium chloride solution, which is characterized in that further include
Alcohol distillation column (13), the alcohol distillation column (13) is for recycling respectively by the emulsifying kettle (3) and the reaction kettle (4) institute
The by-product alcohol volatile matter of generation.
4. the system according to claim 3 for preparing nano magnesia using magnesium chloride solution, which is characterized in that further include
Evaporator (20), the evaporator (20) are used to be centrifuged by the high-temperature tail gas generated by the roaster (8) and by described first
The sodium chloride solution that machine (6) is isolated is exchanged heat so that the sodium chloride solution is condensed into industrial grade sodium chloride and high-temperature water steams
Gas, while high-temperature tail gas becomes low temperature exhaust gas.
5. the system according to claim 4 for preparing nano magnesia using magnesium chloride solution, which is characterized in that further include
Absorption tower (21), the absorption tower (21) are used to make the sodium hydroxide solution in the third solution reservoir (203) to absorb
Low temperature exhaust gas from the evaporator (20) is stored again with generating sodium carbonate liquor into the third solution reservoir (203).
6. the system according to claim 5 for preparing nano magnesia using magnesium chloride solution, which is characterized in that further include
Condenser (22), the condenser (22) are used to the high-temperature vapor from the evaporator (20) being condensed into low temperature deionization
Water.
7. the system according to claim 6 for preparing nano magnesia using magnesium chloride solution, which is characterized in that described to wash
Washing kettle-centrifugal chiller includes being sequentially connected the first washing kettle (14) connect, the second centrifuge (15), the second washing kettle (16),
Three centrifuges (17), absorption kettle (18) and the 4th centrifuge (19).
8. the system according to claim 7 for preparing nano magnesia using magnesium chloride solution, which is characterized in that further include
Water tank (23), the water tank (23) come from the low temperature deionization of the condenser (22) for storing deionized water, recycling
Water, and be simultaneously the emulsifying kettle (3), the solution material-compound tank (1), first washing kettle (14), second washing
Kettle (16) and the absorption kettle (18) supply deionized water.
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| CN201820729247.0U CN208532248U (en) | 2018-05-16 | 2018-05-16 | The system that nano magnesia is prepared using magnesium chloride solution |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820729247.0U CN208532248U (en) | 2018-05-16 | 2018-05-16 | The system that nano magnesia is prepared using magnesium chloride solution |
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