CN211412008U - Magnesium oxide preparation magnesium hydroxide device - Google Patents
Magnesium oxide preparation magnesium hydroxide device Download PDFInfo
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- CN211412008U CN211412008U CN201922003124.6U CN201922003124U CN211412008U CN 211412008 U CN211412008 U CN 211412008U CN 201922003124 U CN201922003124 U CN 201922003124U CN 211412008 U CN211412008 U CN 211412008U
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- reaction kettle
- magnesium hydroxide
- magnesium oxide
- reation kettle
- magnesium
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Abstract
The utility model discloses a magnesium hydroxide device is prepared to magnesium oxide, including installing the reation kettle in the support, be equipped with inclosed reaction cavity in the reation kettle, reation kettle's upper end is equipped with the feed inlet that supplies the magnesium oxide material to drop into, reation kettle's upper end still is equipped with the water inlet, the water inlet passes through the outside water tank of advance water piping connection, be equipped with heating element among the reation kettle, still be equipped with the temperature detection subassembly that carries out the real-time supervision repayment to the temperature among the reation kettle, reation kettle's lower extreme is equipped with the discharge gate, the unloading pipe is connected to the discharge gate, the lower extreme of unloading pipe is equipped with the filtering component who carries out the filterable to the post-reaction mixture, filtering component's lower extreme is equipped with the header tank, preparation of magnesium hydroxide under the ordinary pressure has been realized through this magnesium oxide preparation magnesium hydroxide device, and the filtering, The pressure stabilizer reduces the requirements on the material and processing of the reaction body, and facilitates the development and the implementation of the preparation of the magnesium hydroxide.
Description
Technical Field
The utility model belongs to the technical field of reation kettle device technique and specifically relates to a magnesium hydroxide device is prepared to magnesium oxide.
Background
Magnesium hydroxide is used as a green material and is widely applied to fireproof materials, agriculture and environmental protection. The way of obtaining magnesium hydroxide industrially is generally 5: 1. reacting limestone and brine to produce magnesium hydroxide; 2. reacting sodium hydroxide with brine and halogen blocks to prepare magnesium oxide; 3. the calcined magnesite, dolomite, brine and halogen blocks are reacted to produce magnesium hydroxide; 4. producing magnesium oxide by reacting ammonia water, brine and halogen blocks; 5. the magnesium oxide is hydrated to generate magnesium hydroxide.
Both publication numbers CN 103303947B (a method and apparatus for efficiently preparing magnesium hydroxide) and CN 104925838B (a process for efficiently preparing magnesium hydroxide from magnesium oxide) disclose an apparatus and a method for preparing magnesium hydroxide by hydration of magnesium oxide, but both require a pressurizing process, and the preparation of magnesium hydroxide is completed in a pressurizing environment, wherein the pressurizing process requires an additional pressurizing and pressure stabilizing apparatus, and has high requirements on the material and processing of the apparatus body, and the preparation of magnesium hydroxide is subject to severe requirements, so an apparatus for preparing magnesium hydroxide from magnesium oxide under normal pressure is required.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a magnesium oxide preparation magnesium hydrate device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a magnesium oxide preparation magnesium hydrate device, is including installing the reation kettle in the support, be equipped with inclosed reaction cavity in the reation kettle, reation kettle's upper end is equipped with the feed inlet that supplies the magnesium oxide material to drop into, and reation kettle's upper end still is equipped with the water inlet, and the water inlet passes through the outside water tank of water inlet pipe connection, be equipped with heating element among the reation kettle, still be equipped with the temperature detection subassembly that carries out the real-time supervision repayment to the temperature among the reation kettle, reation kettle's lower extreme is equipped with the discharge gate, and the unloading pipe is connected to the discharge gate, and the lower extreme of unloading pipe is equipped with and carries out filterable filter assembly to the post-reaction.
In a further embodiment, a control valve is arranged on the feeding pipe at the lower end of the reaction kettle.
In a further embodiment, the heating components in the reaction kettle are a plurality of electric heating rings arranged in the reaction kettle, the electric heating rings are all arranged on a mounting ring at the bottom of the reaction kettle, and the electric heating rings are mutually connected with an external power supply in parallel.
In a further embodiment, the filter assembly includes a bracket opposite the feed tube and a screen mounted on the bracket.
In a further embodiment, the inner wall of the reaction kettle is further provided with a heat storage layer, and the heat storage layer is made of honeycomb ceramics.
In a further embodiment, the water collecting tank is connected with the water inlet of the reaction kettle through a water conveying pipeline.
In a further embodiment, still be equipped with agitating unit in the reation kettle, agitating unit includes motor, pivot and blade, the pivot horizontal rotation is installed in reation kettle, and the one end of pivot stretches out the output of blade outer joint motor, installs a plurality of blades in the pivot.
Compared with the prior art, the beneficial effects of the utility model are that: the magnesium hydroxide preparation device realizes the preparation of magnesium hydroxide under normal pressure and the filtration and separation of magnesium hydroxide, thereby avoiding the need of adding additional pressure applying and stabilizing devices in the magnesium hydroxide preparation link, reducing the requirements on the material and processing of the reaction body and facilitating the development and implementation of magnesium hydroxide preparation.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for preparing magnesium hydroxide from magnesium oxide.
FIG. 2 is a schematic diagram of the internal structure of an apparatus for preparing magnesium hydroxide from magnesium oxide.
FIG. 3 is a schematic structural diagram of a mounting ring and an electric heating tube in a magnesium oxide preparation magnesium hydroxide device.
Wherein: reaction kettle 1, feed inlet 2, water inlet 3, temperature detection subassembly 4, electric cabinet 5, support 6, unloading pipe 7, header tank 8, filtering component 9, collar 10, electric heating pipe 11, motor 12, pivot 13, blade 14, heat accumulation layer 15.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 by those of ordinary skill in the art through specific situations.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-3, in an embodiment of the present invention, an apparatus for preparing magnesium hydroxide from magnesium oxide includes a reaction kettle 1 installed in a support 6, the reaction kettle 1 is provided with a sealed reaction chamber, the upper end of the reaction kettle 1 is provided with a feed inlet 2 for feeding magnesium oxide material, the upper end of the feed inlet 2 is provided with a detachable end cap, the upper end of the reaction kettle 1 is further provided with a water inlet 3, the water inlet 3 is connected to an external water tank through a water inlet pipe to complete water injection, the reaction kettle 1 is provided with a heating assembly, the reaction kettle 1 is further provided with a temperature detection assembly 4 for monitoring temperature in real time, the lower end of the reaction kettle 1 is provided with a discharge port connected to a discharge pipe 7, the lower end of the discharge pipe 7 is provided with a filter assembly 9 for filtering a mixture after reaction, the lower end of the filter assembly 9 is provided with a water collection tank 8 for collecting filtered water, when specifically, raw material magnesium oxide and sufficient water are respectively injected into a reaction kettle 1 through a feed inlet 2 and a water inlet 3, a mixed solution of water and magnesium oxide is heated in the reaction kettle 1, the temperature in the reaction kettle 1 is detected in real time through a temperature detection component 4, the mixed solution reaches a proper temperature, heat preservation is carried out for a certain time, the optimal combination of magnesium oxide hydration is 90 ℃ at normal pressure, the time is 4 hours, the temperature is controlled to 200 ℃, the heating time reaches 8 hours, hexagonal sheet magnesium hydroxide can be obtained, after normal pressure preparation is completed, a discharging pipe 7 at the lower end of the reaction kettle 1 is opened for discharging, the mixed material is filtered through a filtering component 9, the magnesium hydroxide is retained in the filtering component 9, water in the mixed solution is collected through a water collecting tank 8, and the preparation of the magnesium hydroxide under normal pressure is realized through the magnesium oxide preparation device, and the filtering separation of the magnesium hydroxide is realized, so that additional pressure applying and stabilizing devices are not required to be added in the preparation link of the magnesium hydroxide, the requirements on the material and processing of the reaction body are reduced, and the preparation of the magnesium hydroxide is convenient to develop and carry out.
Specifically, be equipped with the control valve on reation kettle 1's the unloading pipe 7 of lower extreme, control reation kettle 1's the unloading through the control valve, be convenient for keep reation kettle 1's closure and the filterable going on of mixed liquid in reation kettle 1 in the heating heat preservation process.
Specifically, heating element in reation kettle 1 is a plurality of electrical heating ring 11 of setting in reation kettle 1, electrical heating ring 11 all installs on the collar 10 of reation kettle 1 bottom, the mutual parallel connection external power source of electrical heating ring 11, and reation kettle 1's the outside is equipped with electric cabinet 5, controls electrical heating ring 11's heating work through electric cabinet 5, generates heat through electrical heating ring 11 circular telegram, makes the mixed liquid of magnesium oxide and water reach and keep suitable reaction temperature.
Specifically, the temperature detection component 4 in the reaction kettle 1 is a thermocouple, which is a commonly used temperature measuring element in a temperature measuring instrument, directly measures temperature, converts a temperature signal into a thermal electromotive force signal, and converts the thermal electromotive force signal into the temperature of a measured medium through an electric instrument, so that the reaction temperature can be accurately measured and fed back in real time.
Specifically, the filter assembly 9 comprises a support opposite to the feeding pipe 7 and a filter screen installed on the support, the mixed liquid after reaction is filtered through the filter assembly 9, magnesium hydroxide is left on the filter screen, the collection of the magnesium hydroxide is realized, if necessary, filter cloth can be added, and the filtering effect is improved.
Specifically, in order to promote the heat preservation effect among reation kettle 1, the energy saving, reation kettle 1's inner wall still is equipped with heat accumulation layer 15, heat accumulation layer 15's material can be cellular pottery, utilizes its good heat accumulation thermal insulation performance, thermal waste when avoiding heating and keeping warm.
Specifically, the water collecting tank 8 is connected with the water inlet 3 of the reaction kettle 1 through a water conveying pipeline, water and residual heat are recycled, and the practicability of equipment is improved.
Example 2
Referring to fig. 1-3, the embodiment of the present invention upgrades the function of a magnesium hydroxide preparing apparatus for magnesium oxide based on embodiment 1, specifically:
still be equipped with agitating unit in reation kettle 1, agitating unit includes motor 12, pivot 13 and blade 14, 13 horizontal rotations of pivot are installed in reation kettle 1, and the output of 14 external connection motors 12 of blade is stretched out to the one end of pivot 13, installs a plurality of blades 14 in the pivot 13, and motor 12 during operation drives pivot 13 and rotates to make blade 14 mix in reation kettle 1, promote the reaction of magnesium oxide and water, heat transfer accelerates, the accurate temperature measurement of the temperature determine module 4 of also being convenient for.
The utility model discloses a theory of operation is: the reaction kettle 1 is internally provided with a closed reaction chamber, the upper end of the reaction kettle 1 is provided with a feed inlet 2 for putting magnesium oxide materials, the upper end of the feed inlet 2 is provided with a detachable end cover, the upper end of the reaction kettle 1 is also provided with a water inlet 3, the water inlet 3 is connected with an external water tank through a water inlet pipe to complete the injection of water, the reaction kettle 1 is internally provided with a heating component, the reaction kettle 1 is also internally provided with a temperature detection component 4 for monitoring and feeding back the temperature in real time, the lower end of the reaction kettle 1 is provided with a discharge outlet, the discharge outlet is connected with a blanking pipe 7, the lower end of the blanking pipe 7 is provided with a filtering component 9 for filtering the mixture after the reaction, the lower end of the filtering component 9 is provided with a water collecting tank 8 for collecting filtered water, when the magnesium hydroxide is specifically prepared, the raw material magnesium oxide and sufficient water are respectively injected into the reaction kettle 1 through the, the temperature in the reaction kettle 1 is detected in real time through the temperature detection component 4, the mixed liquid reaches the proper temperature, heat preservation is carried out for a certain time, the optimal combination of magnesium oxide hydration is 90 ℃ at normal pressure, the time is 4 hours, the temperature is controlled to reach 200 ℃, the heating time reaches 8 hours, hexagonal sheet magnesium hydroxide can be obtained, after the preparation at normal pressure is completed, a discharging pipe 7 at the lower end of the reaction kettle 1 is opened for discharging, the mixed material is filtered through the filtering component 9, the magnesium hydroxide is left in the filtering component 9, water in the mixed liquid is collected through the water collecting tank 8, the preparation of the magnesium hydroxide at normal pressure is realized through the magnesium oxide preparation magnesium hydroxide device, the filtration and separation of the magnesium hydroxide are realized, so that additional pressure applying and stabilizing devices are not needed in the magnesium hydroxide preparation link, the requirements on the material and processing of a reaction body are lowered, is convenient for the development and the implementation of the preparation of the magnesium hydroxide.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A device for preparing magnesium hydroxide by magnesium oxide comprises a reaction kettle (1) arranged in a bracket (6), it is characterized in that a closed reaction chamber is arranged in the reaction kettle (1), a feed inlet (2) for feeding magnesium oxide material is arranged at the upper end of the reaction kettle (1), a water inlet (3) is also arranged at the upper end of the reaction kettle (1), the water inlet (3) is connected with an external water tank through a water inlet pipe, a heating component is arranged in the reaction kettle (1), a temperature detection component (4) for monitoring and feeding back the temperature in real time is also arranged in the reaction kettle (1), the lower extreme of reation kettle (1) is equipped with the discharge gate, and unloading pipe (7) are connected to the discharge gate, and the lower extreme of unloading pipe (7) is equipped with and carries out filterable filter assembly (9) to the mixture after the reaction, and the lower extreme of filter assembly (9) is equipped with water catch bowl (8) of collecting the drainage.
2. The device for preparing magnesium hydroxide from magnesium oxide according to claim 1, wherein a control valve is arranged on the feeding pipe (7) at the lower end of the reaction kettle (1).
3. The magnesium oxide magnesium hydroxide preparation device according to claim 1, wherein the heating components in the reaction kettle (1) are a plurality of electric heating rings (11) arranged in the reaction kettle (1), the electric heating rings (11) are all installed on an installation ring (10) at the bottom of the reaction kettle (1), and the electric heating rings (11) are mutually connected in parallel with an external power supply.
4. The magnesium oxide-based magnesium hydroxide production plant according to claim 1, wherein the filter assembly (9) comprises a support opposite to the feeding pipe (7) and a screen mounted on the support.
5. The device for preparing magnesium hydroxide from magnesium oxide according to claim 1, wherein the inner wall of the reaction kettle (1) is further provided with a heat storage layer (15), and the heat storage layer (15) is made of honeycomb ceramics.
6. The magnesium oxide preparation magnesium hydroxide device according to claim 1, wherein the water collection tank (8) is connected with the water inlet (3) of the reaction kettle (1) through a water pipeline.
7. The magnesium oxide magnesium hydroxide preparation device according to claim 1, wherein a stirring device is further arranged in the reaction kettle (1), the stirring device comprises a motor (12), a rotating shaft (13) and blades (14), the rotating shaft (13) is horizontally and rotatably installed in the reaction kettle (1), one end of the rotating shaft (13) extends out of the blades (14) and is connected with an output end of the motor (12), and the rotating shaft (13) is provided with a plurality of blades (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922003124.6U CN211412008U (en) | 2019-11-19 | 2019-11-19 | Magnesium oxide preparation magnesium hydroxide device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922003124.6U CN211412008U (en) | 2019-11-19 | 2019-11-19 | Magnesium oxide preparation magnesium hydroxide device |
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| CN211412008U true CN211412008U (en) | 2020-09-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112354507A (en) * | 2020-11-13 | 2021-02-12 | 山东新泽辉新材料科技有限公司 | Reaction device for preparing nano magnesium hydroxide fire retardant |
| CN114455684A (en) * | 2022-03-11 | 2022-05-10 | 河南科技学院 | Precipitation device for preparing magnesium hydroxide based on sodium battery |
-
2019
- 2019-11-19 CN CN201922003124.6U patent/CN211412008U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112354507A (en) * | 2020-11-13 | 2021-02-12 | 山东新泽辉新材料科技有限公司 | Reaction device for preparing nano magnesium hydroxide fire retardant |
| CN114455684A (en) * | 2022-03-11 | 2022-05-10 | 河南科技学院 | Precipitation device for preparing magnesium hydroxide based on sodium battery |
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