CN214514363U - Superfine magnesium hydroxide powder modifying device - Google Patents
Superfine magnesium hydroxide powder modifying device Download PDFInfo
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- CN214514363U CN214514363U CN202120396434.3U CN202120396434U CN214514363U CN 214514363 U CN214514363 U CN 214514363U CN 202120396434 U CN202120396434 U CN 202120396434U CN 214514363 U CN214514363 U CN 214514363U
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Abstract
A superfine magnesium hydroxide powder modification device comprises a modification tank body (1), a stirring paddle (2), an automatic pressure valve (5), an atomizer (6), a pressurizer (7) and a guide pipe (4) with an air hole. In the modification tank (1), a guide pipe (4) with an air hole is arranged at the center of the tank and below the stirring blade; two groups of vertical stirring blades (2) are arranged in the modification tank body and are respectively driven by a motor (3); the vertical duct with the air hole extends out of the modified tank body (1) and is connected with the right side of the pressurizer (7); the left side of the pressurizer (7) is connected with the atomizer (6); an air inlet (8) is arranged at the upper part of the pressurizer (7); the lower part of the pressurizer (7) is provided with an automatic pressure valve; the lower part of the modified tank body (1) is a discharge hole (9). A valve switch (10) is arranged on the pipeline connected with the discharge port. The utility model discloses the device pressurizes the modifier again through the atomizing and gets into the liquid phase along with the air current tympanic bulla, makes modifier and modified material contact more abundant, shortens the modification time.
Description
Technical Field
The utility model relates to a superfine magnesium hydroxide powder modifying device, which belongs to the technical field of mineral powder modification.
Background
The surface modification of mineral powder is a problem often faced by powder manufacturers, the modification effect of the powder is greatly influenced by the selection of equipment, two modification modes are common, one is to directly add a modifier into the powder and then stir, disperse and modify, the other is to carry out surface modification in a liquid phase, and good modification effect is realized after drying. Magnesium hydroxide is a nontoxic environment-friendly inorganic flame retardant, is widely applied to industries such as plastics, coatings, papermaking and the like, but has the problem of poor compatibility with partial matrixes, magnesium hydroxide needs to be modified, partial manufacturers mainly modify the magnesium hydroxide by a high-stirring machine or a continuous dry method, but the activation degree of the modified magnesium hydroxide in the market is higher and higher, and the modification mode slowly cannot meet the market requirement.
Disclosure of Invention
The utility model aims at providing a superfine magnesium hydroxide powder modifying device in order to solve the problem that magnesium hydroxide is modified and the activation degree is high.
The utility model discloses the technical scheme who realizes as follows, a superfine magnesium hydroxide powder modification device, including the modified jar body, stirring paddle leaf, automatic pressure valve, atomizer, presser and take the gas vent pipe.
In the modification tank, a guide pipe with an air hole is arranged at the center of the tank and below the stirring blade; the guide pipe with the air holes at the vertical position is connected with the middle part of the guide pipe with the air holes at the horizontal position; the modified tank body is of a vertical cylindrical structure, and the lower part of the modified tank body is in an inverted frustum shape; two groups of vertical stirring blades are arranged in the modification tank body and are respectively driven by a motor; the vertical duct with the air hole extends out of the modified tank body and is connected with the right side of the pressurizer; the left side of the pressurizer is connected with an atomizer; the upper part of the pressurizer is provided with an air inlet; the lower part of the pressurizer is provided with an automatic pressure valve; the lower part of the modified tank body is a discharge hole.
The horizontal duct with the air hole is positioned below the stirring paddle and above the highest liquid level of the inverted round table of the modified tank body; the length of the horizontal duct with the air hole is less than the diameter of the cross section in the modified tank body.
The stirring paddle is positioned at the position of the perpendicular bisector between the guide pipe with the air hole at the vertical position and the inner side edge of the modified tank body.
One end of the automatic pressure valve is connected with the pressurizer through a pipeline, and the other end of the automatic pressure valve enters the modified tank body.
The motor is arranged on the top cover of the modified tank body and is connected with and drives the stirring paddle.
And a valve switch is arranged on the pipeline connected with the discharge port.
The working principle of the utility model is as follows, the surface modifier atomizes at first in the atomizer, get into pressure device together with the air of air inlet, modifier after the pressurization gets into magnesium hydrate thick liquids through taking the gas vent pipe tympanic bulla along with the air current, the gas pocket of taking the gas vent pipe all has the distribution in vertical and horizontal direction, the tympanic bulla can assist modifier dispersion and increase the contact of modifier and magnesium hydrate powder when carrying out the liquid phase modification to magnesium hydrate under stirring paddle leaf's stirring, the air current after the pressurization can increase the pressure in the jar, when overstocking the air current pressure above the liquid phase and increasing to a definite value, automatic pressure valve can open automatically and reduce jar internal pressure, any part modifier in the combustion gas is not consumed, recycle in the pressurizer flows back through the pressure valve, magnesium hydrate in the jar is discharged along with the discharge gate after the modified period of tympanic bulla lot that relapse, and drying and scattering to obtain the magnesium hydroxide product with good modification effect.
The utility model has the advantages that the modifier is atomized and pressurized again to enter the liquid phase along with the bubbling of the air flow, so that the modifier is more fully contacted with the modified material; the air current bubbling can disperse the modifier into the liquid phase, and can also assist the stirring paddle to ensure that the whole system is stirred and dispersed more fully, thereby shortening the modification time; the utility model discloses when the device reaches certain pressure value in the modified tank body, can open the release part gas through automatic pneumatic valve, when guaranteeing production safety, the pressurizer recycle can be retrieved again to the modifier that does not get into the liquid phase.
Drawings
FIG. 1 is a schematic structural view of an apparatus for modifying ultrafine magnesium hydroxide powder according to the present invention;
in the figure, 1 is a modified tank body; 2 is a stirring blade; 3 is a motor; 4 is a duct with air holes; 5 is an automatic pressure valve; 6 is an atomizer; 7 is a pressurizer; 8 is an air inlet; 9 is a discharge hole; and 10 is a valve switch.
Detailed Description
The specific embodiment of the present invention is shown in fig. 1.
The embodiment provides a superfine magnesium hydroxide powder modification device, which comprises a modification tank body 1, a stirring paddle 2, an automatic pressure valve 5, an atomizer 6, a pressurizer 7 and a duct 4 with an air hole.
In the modification tank 1, a conduit 4 with air holes is arranged at the center of the tank and below the stirring blade; the guide pipe with the air holes at the vertical position is connected with the middle part of the guide pipe with the air holes at the horizontal position; the modified tank body 1 is of a vertical cylindrical structure, and the lower part of the modified tank body is in an inverted frustum shape; two groups of vertical stirring blades 2 are arranged in the modified tank body and are respectively driven by a motor 3; the vertical duct with the air hole extends out of the modified tank body 1 and is connected with the right side of the pressurizer 7; the left side of the pressurizer 7 is connected with the atomizer 6; the upper part of the pressurizer 7 is provided with an air inlet 8; the lower part of the pressurizer 7 is provided with an automatic pressure valve 5; the lower part of the modified tank body 1 is a discharge hole 9. The motor 3 is arranged on the top cover of the modified tank body 1 and connected with and drives the stirring paddle 2. And a valve switch 10 is arranged on a pipeline connected with the discharge port 9.
One end of the automatic pressure valve 5 is connected with a pressurizer 7 through a pipeline, and the other end of the automatic pressure valve 5 enters the modified tank body 1.
The modification tank body 1 is provided with two motors 3 and two stirring blades 2, and the magnesium hydroxide powder slurry to be modified can be stirred under the driving of the stirring blades by the motors; the surface modifier is firstly atomized by an atomizer 6 and enters a pressurizing device 7 together with air of an air inlet 8; the pressurized modifier is bubbled into the magnesium hydroxide slurry through the conduit 4 with the air hole along with the air flow; the pores of the conduit 4 with pores are distributed in the vertical and horizontal directions, and the bubbling can assist the dispersion of the modifier and increase the contact of the modifier and the magnesium hydroxide powder while the magnesium hydroxide is subjected to liquid-phase modification under the stirring of the stirring blade 2; the pressurized gas flow can increase the pressure in the tank, when the pressure of the gas flow accumulated above the liquid phase is increased to a certain value, the automatic pressure valve 5 can be automatically opened to reduce the pressure in the tank, any part of the modifier in the discharged gas is not consumed, and the gas flows back to the pressurizer through the pressure valve for recycling; the magnesium hydroxide in the tank is discharged along with the discharge port 9 after repeated bubbling modification for a period of time, and then is dried and scattered to obtain a magnesium hydroxide product with good modification effect.
Claims (6)
1. A superfine magnesium hydroxide powder modification device comprises a modification tank body and a stirring paddle, and is characterized by also comprising an automatic pressure valve, an atomizer, a pressurizer and a guide pipe with an air hole; in the modification tank, a guide pipe with an air hole is arranged at the center of the tank and below the stirring blade; the guide pipe with the air holes at the vertical position is connected with the middle part of the guide pipe with the air holes at the horizontal position; the modified tank body is of a vertical cylindrical structure, and the lower part of the modified tank body is in an inverted frustum shape; two groups of vertical stirring blades are arranged in the modification tank body and are respectively driven by a motor; the vertical duct with the air hole extends out of the modified tank body and is connected with the right side of the pressurizer; the left side of the pressurizer is connected with an atomizer; the upper part of the pressurizer is provided with an air inlet; the lower part of the pressurizer is provided with an automatic pressure valve; the lower part of the modified tank body is a discharge hole.
2. The device for modifying the superfine magnesium hydroxide powder according to claim 1, wherein the horizontal duct with the air holes is positioned below the stirring paddle and above the highest liquid level of the inverted round table of the modified tank body; the length of the horizontal duct with the air hole is less than the diameter of the cross section in the modified tank body.
3. The apparatus of claim 1, wherein the stirring blade is positioned at a perpendicular bisector between the vertically positioned perforated pipe and the inner side of the vessel.
4. The apparatus of claim 1, wherein the motor is mounted on the top cover of the modified pot, and is connected to and drives the stirring blade.
5. The apparatus of claim 1, wherein a valve is disposed on a pipe connected to the discharge port.
6. The apparatus of claim 1, wherein one end of the automatic pressure valve is connected to the pressurizer through a pipe, and the other end of the automatic pressure valve enters the modification tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120396434.3U CN214514363U (en) | 2021-02-23 | 2021-02-23 | Superfine magnesium hydroxide powder modifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120396434.3U CN214514363U (en) | 2021-02-23 | 2021-02-23 | Superfine magnesium hydroxide powder modifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214514363U true CN214514363U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120396434.3U Active CN214514363U (en) | 2021-02-23 | 2021-02-23 | Superfine magnesium hydroxide powder modifying device |
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| CN (1) | CN214514363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118079788A (en) * | 2024-04-28 | 2024-05-28 | 烟台艾弗尔阻燃科技有限公司 | Auxiliary adding device for magnesium hydroxide modification preparation |
-
2021
- 2021-02-23 CN CN202120396434.3U patent/CN214514363U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118079788A (en) * | 2024-04-28 | 2024-05-28 | 烟台艾弗尔阻燃科技有限公司 | Auxiliary adding device for magnesium hydroxide modification preparation |
| CN118079788B (en) * | 2024-04-28 | 2024-07-09 | 烟台艾弗尔阻燃科技有限公司 | Auxiliary adding device for magnesium hydroxide modification preparation |
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