CN211333871U - Defoaming device for gel casting - Google Patents
Defoaming device for gel casting Download PDFInfo
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- CN211333871U CN211333871U CN201922485876.0U CN201922485876U CN211333871U CN 211333871 U CN211333871 U CN 211333871U CN 201922485876 U CN201922485876 U CN 201922485876U CN 211333871 U CN211333871 U CN 211333871U
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Abstract
The utility model relates to a defoaming device for gel casting, which comprises a defoaming machine, a vacuumizing device, a buffer container, a liquid level measuring instrument, an automatic liquid supplementing device and a controller; the utility model discloses a deaeration device uses through the cooperation of buffer vessel, liquid level measuring apparatu, automatic fluid infusion device and controller for the thick liquids of gel-casting can in time replenish the water and the dispersant of loss at the deaeration in-process, thereby prevent the fracture of bisque and guarantee the fashioned integrality of bisque.
Description
Technical Field
The utility model relates to a gel casting field especially relates to a defoaming device for gel casting.
Background
The gel casting technology is a wet forming process of ceramics, and compared with other wet forming processes, the process has the outstanding advantages of simple equipment, uniform composition of a formed blank body, few defects, difficult deformation, net-size forming of parts with complex shapes, strong practicability and the like, and is widely applied to Al2O3、ZrO2、SiC、AlN、Si3N4Iso-oxides or notA precision ceramic system of oxides.
Defoaming before injection molding in the gel casting process is an important step influencing the quality of the obtained ceramics, and defoaming is generally carried out by using a defoaming machine in the prior art. In the defoaming process using a defoaming machine, vacuum suction is required, and a part of water and water-soluble organic substances are evaporated and lost in the process. The loss of water causes the water to volatilize too fast in the subsequent drying process of gel casting, so that biscuit cracking is caused; and the reduction of the dispersing agent reduces the fluidity of the slurry and influences the integrity of biscuit molding. Therefore, a defoaming apparatus capable of solving this problem is required.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the current situation to prior art provides a can in time supply defoaming device for gel casting of the water and the dispersant of defoaming in-process thick liquids loss.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the defoaming device for gel casting comprises a defoaming machine, a vacuumizing device, a buffer container, a liquid level measuring instrument, an automatic liquid supplementing device and a controller;
the buffer container is arranged between the defoaming machine and the vacuumizing device and is connected with the vacuumizing device through a first pipeline; the buffer container is connected with the defoaming machine through a second pipeline, a condenser is mounted on the second pipeline, and liquid condensed by the condenser flows into the buffer container through the second pipeline;
a liquid level measuring instrument which is matched with the buffer container so as to be used for measuring the liquid level of the buffer container;
the controller is connected with the liquid level measuring instrument and calculates the volume of the liquid in the buffer container according to the measurement data fed back by the liquid level measuring instrument;
and the automatic liquid supplementing device is controlled by the controller to supplement the liquid supplementing device into the defoaming machine, wherein the liquid supplementing device is equal to the volume of the liquid in the buffer container.
Preferably, the automatic liquid replenishing device includes a storage container for storing a replenishing liquid, the storage container is connected to the defoaming machine through a flow valve, the flow valve is connected to the controller, and the controller controls the flow valve to open to replenish the corresponding replenishing liquid. The automatic liquid supplementing device is simple in structure, stable in operation and convenient to maintain.
In order to prevent the condensate from being collected continuously due to too much liquid in the buffer container, the condensate collecting device further comprises a recovery container, the recovery container is connected with the buffer container through an automatic valve, and a button connected with the automatic valve is arranged on the controller; and the controller is also provided with a liquid level display screen for displaying the liquid level in the buffer container.
In order to filter the impurities in the first pipeline and the second pipeline and facilitate recycling, a filtering device for filtering the impurities in the pipelines is arranged in the positions, matched with the opening of the first pipeline and the opening of the second pipeline, in the buffer container.
Preferably, the filtering device is a filter screen disposed on the opening of the corresponding first/second pipeline. The filtering device is simple in structure and convenient to maintain.
Preferably another kind of structure, filter equipment includes the filter chamber, be equipped with the multilayer filter screen in the filter chamber, one side of filter chamber with correspond the opening intercommunication of first pipeline/second pipeline, the filter chamber with the opening of buffer container's inner chamber intercommunication is established in the horizontal direction.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a deaeration device uses through the cooperation of buffer vessel, liquid level measuring apparatu, automatic fluid infusion device and controller for the thick liquids of gel-casting can in time replenish the water and the dispersant of loss at the deaeration in-process, thereby prevent the fracture of bisque and guarantee the fashioned integrality of bisque.
Drawings
Fig. 1 is a schematic structural view of a defoaming apparatus according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a defoaming apparatus according to embodiment 2 of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples.
Example 1
As shown in figure 1, the defoaming device for gel casting comprises a defoaming machine, a vacuum-pumping device, a buffer container 2, a liquid level measuring instrument 1, an automatic liquid supplementing device and a controller.
The buffer container 2 is arranged between the defoaming machine and the vacuumizing device, and the buffer container 2 is connected with the vacuumizing device through a first pipeline; the buffer container 2 is connected with the deaerator through a second pipeline, a condenser is installed on the second pipeline, and condensate condensed by the condenser flows into the buffer container 2 through the second pipeline.
A liquid level measuring instrument 1, wherein the liquid level measuring instrument 1 is matched with the buffer container 2 to be arranged so as to be used for measuring the liquid level of the buffer container 2.
And the controller is connected with the liquid level measuring instrument 1, and the controller calculates the volume of the liquid in the buffer container 2 according to the measurement data fed back by the liquid level measuring instrument 1.
And an automatic liquid replenishing device which is controlled by the controller and replenishes the defoaming machine with a replenishing liquid of the same volume as the liquid in the buffer container 2. The vacuum pumping device of the embodiment is a vacuum pump, and the buffer container 2 is a buffer tank; the supplementary liquid is a mixed solution of water and a dispersant which is proportioned according to the requirement of the slurry; the condenser used in this example was a shell and tube condenser.
The automatic liquid supplementing device of the embodiment comprises a storage container for storing supplementing liquid, wherein the storage container is connected with a defoaming machine through a flow valve 5, the flow valve 5 is connected with a controller, and the controller controls the flow valve 5 to be opened so as to supplement the corresponding supplementing liquid. The storage container of the present embodiment is a storage tank and the flow valve 5 of the present embodiment is an electromagnetic flow valve 5.
In order to prevent the liquid in the buffer container 2 from being too much to continuously collect the condensate, the automatic condensate collecting device further comprises a recovery container, the recovery container is connected with the buffer container 2 through an automatic valve 3, and a button connected with the automatic valve 3 is arranged on the controller; and the controller is also provided with a liquid level display screen for displaying the liquid level in the buffer container 2. After each defoaming, an operator can judge whether the liquid level is high enough to accommodate condensate generated by next use through the liquid level display screen, if not, the operator presses a key and opens the automatic valve, so that liquid in the buffer container flows into the recycling container to be recycled; or the key can be pressed to recover the condensate after each operation according to the requirement.
In order to filter the impurities in the first pipeline and the second pipeline, the filtering device for filtering the impurities in the pipeline is arranged at the position, matched with the opening of the first pipeline and the opening of the second pipeline, in the buffer container 2.
The filter equipment of this embodiment includes the filter chamber, is equipped with the multilayer filter screen in the filter chamber, and one side of filter chamber and the opening intercommunication of the first pipeline of correspondence/second pipeline, the opening of filter chamber and buffer container 2's inner chamber intercommunication is established on the horizontal direction. The filter screen is a metal filter screen with 40 meshes. The filtering effect of the filtering device is better.
When the defoaming device is used; and pouring the slurry into a defoaming machine, starting the defoaming machine and a vacuumizing device, and automatically supplementing a supplementing liquid with the volume equal to that of the liquid in the buffer container by an automatic liquid supplementing device under the control of a controller, wherein the automatic liquid supplementing device does not continuously operate but operates according to set interval time, namely the automatic liquid supplementing device operates once after storing the condensate for a period of time, and the volume of the condensate added each time is supplemented.
Example 2
As shown in fig. 2, the difference between the present embodiment and embodiment 1 is that the filtering device of the present embodiment is a filter screen 4 disposed on the opening of the corresponding first pipeline/second pipeline. The filtering device is simple in structure and convenient to maintain.
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.
Claims (6)
1. The utility model provides a defoaming device for gel casting, includes defoaming machine and evacuating device, its characterized in that includes: the device comprises a buffer container (2), a liquid level measuring instrument (1), an automatic liquid supplementing device and a controller;
the buffer container (2) is arranged between the defoaming machine and the vacuumizing device, and the buffer container (2) is connected with the vacuumizing device through a first pipeline; the buffer container (2) is connected with the defoaming machine through a second pipeline, a condenser is mounted on the second pipeline, and condensate condensed by the condenser flows into the buffer container (2) through the second pipeline;
the liquid level measuring instrument (1) is matched with the buffer container (2) so as to be used for measuring the liquid level of the buffer container (2);
the controller is connected with the liquid level measuring instrument (1), and the controller calculates the volume of the liquid in the buffer container (2) according to the measurement data fed back by the liquid level measuring instrument (1);
and the automatic liquid supplementing device is controlled by the controller to supplement the liquid supplementing device into the defoaming machine, wherein the liquid supplementing device is equal to the volume of the liquid in the buffer container (2).
2. The defoaming apparatus for gel casting according to claim 1, wherein: the automatic liquid supplementing device comprises a storage container for storing supplementing liquid, the storage container is connected with the defoaming machine through a flow valve (5), the flow valve (5) is connected with the controller, and the controller controls the opening of the flow valve (5) to supplement the corresponding supplementing liquid.
3. The defoaming apparatus for gel injection according to claim 1 or 2, characterized in that: the recovery container is connected with the buffer container (2) through an automatic valve (3), and a key connected with the automatic valve (3) is arranged on the controller; and the controller is also provided with a liquid level display screen for displaying the liquid level in the buffer container (2).
4. The defoaming apparatus for gel casting according to claim 3, characterized in that: and filtering devices for filtering impurities in the pipelines are arranged at the positions, matched with the openings of the first pipeline and the second pipeline, in the buffer container (2).
5. The defoaming apparatus for gel casting according to claim 4, wherein: the filtering device is a filter screen arranged on the opening of the corresponding first pipeline/second pipeline.
6. The defoaming apparatus for gel casting according to claim 4, wherein: the filtering device comprises a filtering cavity, wherein a plurality of layers of filter screens are arranged in the filtering cavity, one side of the filtering cavity is communicated with the opening of the first pipeline/the second pipeline correspondingly, and the opening of the filtering cavity communicated with the inner cavity of the buffer container (2) is arranged in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922485876.0U CN211333871U (en) | 2019-12-30 | 2019-12-30 | Defoaming device for gel casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922485876.0U CN211333871U (en) | 2019-12-30 | 2019-12-30 | Defoaming device for gel casting |
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| Publication Number | Publication Date |
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| CN211333871U true CN211333871U (en) | 2020-08-25 |
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| CN201922485876.0U Active CN211333871U (en) | 2019-12-30 | 2019-12-30 | Defoaming device for gel casting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282711A (en) * | 2020-09-28 | 2021-01-29 | 中国石油天然气集团有限公司 | Liquid filler and method for filling liquid into instrument |
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2019
- 2019-12-30 CN CN201922485876.0U patent/CN211333871U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282711A (en) * | 2020-09-28 | 2021-01-29 | 中国石油天然气集团有限公司 | Liquid filler and method for filling liquid into instrument |
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