CN1259282C - Controlled temperature and vacuum degree ball mill tank - Google Patents
Controlled temperature and vacuum degree ball mill tank Download PDFInfo
- Publication number
- CN1259282C CN1259282C CN 200310100369 CN200310100369A CN1259282C CN 1259282 C CN1259282 C CN 1259282C CN 200310100369 CN200310100369 CN 200310100369 CN 200310100369 A CN200310100369 A CN 200310100369A CN 1259282 C CN1259282 C CN 1259282C
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- temperature
- ball milling
- vacuum
- milling tank
- ball grinder
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Abstract
The present invention discloses a novel controlled temperature and vacuum degree ball milling tank which belongs to the technical field of a ceramic colloid moulding process. A vacuum solenoid is arranged on the right side of a ball milling tank, and the upper part is provided with a vacuum pressure gauge. A temperature controller and a temperature gauge are arranged at the left side, and temperature control media are filled in a tank wall interlayer of the ball milling tank. The ball milling tank causes the vacuum pressure gauge and a pumping system to reach the plug-and-play goal, namely, the operation is convenient. The temperature of the temperature control media is adjusted to the required temperature, and the temperature control media can make the temperature of suspended substances in the ball milling tank consistent with that of the temperature control media. The ball milling tank can be guaranteed to control the temperature and reach the good effect of vacuum defoaming.
Description
Technical field
The invention belongs to the ceramic by colloidal molding method technical field, particularly a kind of controllable temperature among the ceramic concentrate suspension preparation technology and the ball grinder of vacuum tightness.
Background technology
Colloidal formation technology is the new ceramics moulding process that development in recent years is got up, and has become one of main method of present forming process of ceramics.Colloidal formation technology is medium with water or non-water, the ceramic particle of micron or submicron order is dispersed in wherein, the ceramic concentrate suspension for preparing certain solid volume fraction, make it be solidified into ceramic body by different solidification technologies after injecting mould with certain density, as gel casting forming (Gelcasting), directly solidify casting (Direct Coagulation Casting, DCC), injection molding (Injection Moulding), flow casting molding (Tape casting) or the like.The parts of the plastic big-size complicated shape of colloidal formation, and can control the various impurity, coacervate etc. of base substrate inside in the moulding process well, simplify the binder removal operation, thereby produce the ceramic component of high-performance, high reliability.
General, the density of ceramic structure and homogeneity are to weigh the important indicator of its performance quality.Under the prerequisite of strictness control sintering process, the density of base substrate itself and homogeneity are to final sintered compact performance decisive role.The solid load of used suspensoid is high more in the colloidal formation technology, and the density of molding blank and homogeneity are high more.Therefore the gordian technique of colloidal formation is the preparation of ceramic concentrate suspension, and the solid volume fraction of general requirement concentrated suspension reaches more than the 50vol%.But a fact that can not be ignored is, increase along with solid load, the viscosity of suspensoid also can increase, in its mechanical milling process, can sneak into a large amount of gases, along with the ball milling time lengthening, entrain into the intravital gas that suspends and fully spread, be dissolved in the suspensoid slurry with the form of molecule, dissolving is saturated up to reaching.These gas molecules under certain conditions again can recombine, becomes bubble.But eliminate these dissolved gases molecules and be not easy, even take various de-bubble operations later at ball milling, as: add defrother, vacuum stirring etc., the effect of receiving can not be satisfactory.Bubble has a strong impact on the q﹠r of ceramic product.In addition, in the ball milling temperature that also need control suspensoid in some cases, as directly solidifying casting, owing in suspensoid, added biological enzyme, for suppressing and postpone biological enzyme generation decomposition reaction, itself and suspensoid are mixed, need be with suspensoid ball milling under low temperature (0～5 ℃).And for example, in the hot die-casting molding of pottery, ceramic powder and paraffin mix, and should guarantee ball milling under high temperature (as 80 ℃), and paraffin and ceramic powder are mixed, and again bubble are eliminated clean.But present ball mill device does not also have froth in vacuum and temperature controlled setting.
Summary of the invention
The invention provides the ball grinder of a kind of controllable temperature and vacuum tightness, it is characterized in that: the magnetic valve that vacuumizes is installed and is vacuumized interface on the right of ball grinder, main shaft wraps in and vacuumizes the interface periphery; Pressure measurement interface and vacuum pressure gauge are equipped with in top; On the left is equipped with temperature regulator and temperature gauge; In the interlayer tank skin of ball grinder the temperature control medium is housed.The advancing of ball grinder/discharge port is contained in pressure measurement interface opposite.
Described temperature control medium is interior oil or the salt solution of interlayer tank skin that is contained in ball grinder.
The invention has the beneficial effects as follows and use this device to make vacuum pressure gauge and pumped vacuum systems accomplish plug and play, easy to operate; Regulate the temperature control medium to temperature required, the temperature control medium can make the temperature of ball grinder inner suspension body be consistent with it.Guaranteed that ball mill device can controlled temperature can reach the good result of froth in vacuum again.
Description of drawings
Fig. 1 is the ball grinder structural representation of controllable temperature and vacuum tightness.
Embodiment
The present invention is the ball grinder of a kind of controllable temperature and vacuum tightness.Figure 1 shows that the ball grinder structural representation of controllable temperature and vacuum tightness.The magnetic valve 8 that vacuumizes is installed and is vacuumized interface 7 on the right of ball grinder, main shaft 6 wraps in and vacuumizes interface 7 peripheries.Pressure measurement interface and vacuum pressure gauge 1 are equipped with in top; On the left is equipped with temperature regulator 2 and temperature gauge 3; In the interlayer tank skin of ball grinder temperature control medium 4 is housed, the advancing of ball grinder/discharge port 5 is contained in the opposite of pressure measurement interface and vacuum pressure gauge 1.The present invention is further described with mechanical milling process below.
1. ceramic powder is scattered in and contains in the organic solution, add dispersion agent simultaneously, by advancing/discharge port 5 injection ball grinders.
2. after the ball grinder charging, connect vacuum pump and vacuumize by vacuumizing interface 7, at this moment, bubble in the ball grinder in the ceramic powder is taken out by vacuum pump, eliminate clean, treat that vacuum pressure gauge 1 is shown to required vacuum tightness 1-3Pa after, powered-down, magnetic valve 8 seal automatically, make to keep vacuum in the ball grinder; And pumped vacuum systems taken off.
3. and temperature control medium 4 is transferred in advance temperature required, the temperature of temperature control medium 4 makes the temperature of ball grinder inner suspension body be consistent with it.
4. open ball mill and carry out ball milling.As required,, close the ball mill power supply every the regular hour, treat ball mill come to a complete stop fixed after, survey ball grinder internal pressure, the undesirable pumped vacuum systems that then starts once more with vacuum pressure gauge 1; Check the suspensoid temperature by temperature gauge 3, adjust by 2 pairs of suspensoid temperature of temperature regulator.So repeatedly, finish up to ball milling.
Claims (1)
1. the ball grinder of controllable temperature and vacuum tightness is installed the magnetic valve that vacuumizes and is vacuumized interface on the right of ball grinder, and main shaft wraps in and vacuumizes the interface periphery; Pressure measurement interface and vacuum pressure gauge are equipped with in top; On the left is equipped with temperature regulator and temperature gauge; In the interlayer tank skin of ball grinder the temperature control medium is housed; The advancing of ball grinder/discharge port is contained in pressure measurement interface and vacuum pressure gauge opposite, it is characterized in that the temperature control medium is oil or salt solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310100369 CN1259282C (en) | 2003-10-14 | 2003-10-14 | Controlled temperature and vacuum degree ball mill tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310100369 CN1259282C (en) | 2003-10-14 | 2003-10-14 | Controlled temperature and vacuum degree ball mill tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1528711A CN1528711A (en) | 2004-09-15 |
| CN1259282C true CN1259282C (en) | 2006-06-14 |
Family
ID=34304021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310100369 Expired - Fee Related CN1259282C (en) | 2003-10-14 | 2003-10-14 | Controlled temperature and vacuum degree ball mill tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1259282C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2272591B1 (en) * | 2009-07-06 | 2013-09-11 | Willy A. Bachofen AG | Stirring ball mill |
| CN102114435A (en) * | 2010-12-14 | 2011-07-06 | 维苏威太阳能坩埚(苏州)有限公司 | Ball mill |
| CN103861716A (en) * | 2012-12-12 | 2014-06-18 | 江苏森美铝颜料有限公司 | Sealing system of ball mill |
| CN106076511B (en) * | 2016-07-02 | 2019-01-08 | 黄碎存 | A kind of efficient ball mill |
-
2003
- 2003-10-14 CN CN 200310100369 patent/CN1259282C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1528711A (en) | 2004-09-15 |
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