CN216656302U - Heat-preservation launder device of quantitative furnace - Google Patents
Heat-preservation launder device of quantitative furnace Download PDFInfo
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- CN216656302U CN216656302U CN202122787488.5U CN202122787488U CN216656302U CN 216656302 U CN216656302 U CN 216656302U CN 202122787488 U CN202122787488 U CN 202122787488U CN 216656302 U CN216656302 U CN 216656302U
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Abstract
The utility model discloses a heat-preservation launder device of a quantitative furnace, which comprises a liquid level detection pipe, a closed elbow launder, a ceramic heating module, a heat-preservation layer, a closed launder and a thermocouple, wherein the liquid level detection pipe is connected with the closed elbow launder; the utility model discloses a ceramic heating module, including airtight elbow launder, liquid level detection pipe, closed elbow launder, ceramic heating module, thermocouple, closed elbow launder, liquid level detection pipe, airtight elbow launder is installed on the quantitative stove for carry aluminium liquid, liquid level detection pipe installs on airtight elbow launder for detect the liquid level height in the airtight elbow launder and feed back in real time, airtight launder is installed on airtight elbow launder, the ceramic heating module package is in the outside of airtight launder, the insulation layer package is in the outside of ceramic heating module, the thermocouple is used for detecting ceramic heating module's temperature. The device can meet the requirements of reducing the temperature drop of the aluminum liquid in the launder of the quantitative furnace, improve the quality of the aluminum liquid, reduce slag inclusion and oxide skin generation, reduce the temperature of the aluminum liquid of the quantitative furnace and save the energy consumption for smelting the aluminum liquid.
Description
Technical Field
The utility model relates to the technical field of aluminum liquid quantitative heat preservation furnace equipment in pressure casting, in particular to a heat preservation launder device of a quantitative furnace.
Background
Pressure casting, or high-pressure casting, is a casting method in which a liquid or semi-solid metal or alloy, or a liquid metal or alloy containing a reinforcement phase, is filled into a cavity of a die casting mold at a high pressure and at a high speed, and the metal or alloy is solidified under pressure to form a casting. The pressure used in die casting is 4-500 MPa, and the metal filling rate is 0.5-120 m/s.
The low-pressure casting is a casting method in which a casting mold is generally placed above a sealed crucible, compressed air is introduced into the crucible, a low pressure (0.06 to 0.15MPa) is generated on the surface of molten metal, and the molten metal is lifted from a lift tube to fill the casting mold and control solidification. The low-pressure casting method has the advantages of good feeding, compact casting structure, easy casting of large thin-wall complex castings, no need of a riser and high metal yield of 95%. No pollution and easy automation. The low-pressure casting equipment generally comprises a main machine, a hydraulic system, a holding furnace, a liquid level pressurizing device, an electrical control system, a casting mold cooling system and the like.
In the prior casting process, a casting machine such as a high-pressure casting machine, a gravity casting machine and the like needs a device for quantitatively supplying molten aluminum, namely a quantitative furnace. With the development of society, the requirement on energy conservation of equipment is higher and higher, and the energy-saving effect is more and more important. At present, all the launders of the quantitative furnace are open launders, the molten aluminum in the quantitative furnace flows through the open launders and has great temperature drop, which causes serious energy waste and is easy to generate aluminum skin slag inclusion and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a heat-preservation launder device of a quantitative furnace.
The complete technical scheme of the utility model comprises the following steps:
a heat preservation flow groove device of a quantitative furnace comprises a liquid level detection pipe, a closed elbow flow groove, a ceramic heating module, a heat preservation layer, a closed flow groove, a thermocouple and a control system;
the utility model discloses a ceramic heating furnace, including airtight elbow launder, ceramic heating module, thermal insulation layer, thermocouple, control system automatic control ceramic heating module, airtight elbow launder is installed on the quantitative stove for carry aluminium liquid, liquid level detection tube installs on airtight elbow launder for detect the liquid level height in the airtight elbow launder and feed back in real time, airtight launder is installed on airtight elbow launder, the ceramic heating module package is in the outside of airtight launder, the thermal insulation layer wraps up in the outside of ceramic heating module, the thermocouple is used for detecting the temperature of ceramic heating module and feeds back to control system, when the thermocouple detects airtight launder temperature and drops to a certain threshold value, and control system automatic control ceramic heating module starts to suitable temperature in order to heat airtight launder.
The utility model can obviously reduce the temperature drop in the aluminum liquid conveying process through the sealed conveying device, can reduce the temperature of the aluminum liquid required in the quantitative furnace from the source, reduces the temperature of the aluminum liquid in the smelting furnace, saves energy and energy consumption, and can reduce the generation of aluminum skin slag inclusion and the like. Meanwhile, the arrangement of the thermocouple in the launder can be combined with the control system and the ceramic heating module, so that the temperature of the aluminum liquid is prevented from dropping and solidifying to freeze the launder when the machine is stopped for a long time, the service life of the launder is prolonged, and the construction period is saved.
Drawings
FIG. 1 is a schematic view of a holding launder apparatus for a quantitative furnace.
In the figure: 1-liquid level detection tube, 2-closed elbow flow groove, 3-ceramic heating module, 4-heat preservation layer, 5-closed flow groove and 6-thermocouple.
Detailed Description
The specific structure and operation of the heat-preserving launder device of a quantitative furnace according to the present invention will be described in detail with reference to the accompanying drawings.
As shown in figure 1, the heat-preservation launder device of the quantitative furnace comprises a liquid level detection pipe 1, a closed elbow launder 2, a ceramic heating module 3, a heat-preservation layer 4, a closed launder 5, a thermocouple 6 and the like.
Airtight elbow chute 2 is installed on the ration stove for carry aluminium liquid, liquid level detection pipe 1 is installed on airtight elbow chute 2 for detect the liquid level height in airtight elbow chute 2 and feed back in real time, airtight chute 5 is installed on airtight elbow chute 2, 3 package in the outside of airtight chute 5 of ceramic heating module, 4 packages in the outside of ceramic heating module 3 of heat preservation, and thermocouple 6 is used for detecting the temperature of airtight chute 5.
Detect current liquid level through liquid level detection pipe 1, later aluminium liquid flows through airtight elbow chute 2 and airtight chute 5 arrival die casting machine, wherein airtight chute 5 outside sets up heat preservation 4 and ceramic heating module 3. The insulation 4 ensures that heat losses from the launder 5 are kept to a minimum. When the machine is stopped for a long time, the thermocouple 6 can detect that the temperature of the closed launder 5 drops, and when the temperature drops below a liquidus line, the ceramic heating module 3 automatically starts to heat the closed launder 5 to a proper temperature under the action of the control system, for example, the temperature is 10-15 ℃ above the melting point of aluminum liquid, so that the aluminum liquid in the launder is prevented from freezing when the machine is stopped.
Meanwhile, the quantitative furnace device matched with the utility model comprises a gravity liquid level feedback system, an aluminum adding port, a quantitative furnace, a heating system, a pressure control system, a furnace body lifting mechanism and the like.
The quantitative furnace is arranged on the furnace body lifting mechanism, the furnace body lifting mechanism is used for lifting or descending the quantitative furnace, and the height of the quantitative furnace is adjusted by the furnace body lifting mechanism to adapt to casting machine equipment with different heights.
The gravity liquid level feedback system is arranged between the quantitative furnace and the furnace body lifting mechanism.
An aluminum adding opening is formed in one side above the quantitative furnace, a heating system is arranged on a furnace body of the quantitative furnace, and a launder device disclosed by the utility model is arranged on the other side above the quantitative furnace.
The quantitative furnace is also provided with a pressure control system.
Aluminum liquid is added into the quantitative furnace through the aluminum adding port, and the quantitative furnace seed aluminum liquid is output to casting machine equipment through the launder device disclosed by the utility model.
The pressurization and the pressure relief in the quantitative furnace can be realized through the pressure control system, the aluminum liquid in the quantitative furnace can be output to casting machine equipment along the launder device disclosed by the utility model through the pressurization, and the aluminum liquid conveying is immediately suspended when the pressure relief is carried out.
The gravity liquid level feedback system can detect parameters related to the quality of the aluminum liquid through a proper mounting position, the parameters can feed back the current liquid level in the quantitative furnace through conversion, a high-precision proportional valve in the pressure control system provides accurate pressure control according to the current liquid level, quantitative aluminum liquid is extruded, and the system automatically adjusts the data detected by the gravity liquid level detection system in a micro-adjustment mode according to the amount of the aluminum liquid detected to be extruded, so that full-closed loop control is realized. The full closed-loop control system can deal with small weight change of the furnace body, abnormal change of the liquid level of the aluminum liquid and the like.
The heating system is used for providing heating for the quantitative furnace. The electric energy is saved more through the heat preservation system of the quantitative furnace sealing, and the electric energy can be saved by about half compared with an open machine side furnace. And the quality of the aluminum liquid in the closed quantitative furnace system is better ensured, and the oxide skin is greatly reduced. The heat preservation performance is good, the heating time is reduced, and the burning loss rate of the aluminum liquid is correspondingly reduced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (1)
1. A heat preservation flow groove device of a quantitative furnace is characterized by comprising a liquid level detection pipe, a closed elbow flow groove, a ceramic heating module, a heat preservation layer, a closed flow groove, a thermocouple and a control system;
the utility model discloses a ceramic heating furnace, including airtight elbow launder, ceramic heating module, thermal insulation layer, thermocouple, control system automatic control ceramic heating module, airtight elbow launder is installed on the quantitative stove for carry aluminium liquid, liquid level detection tube installs on airtight elbow launder for detect the liquid level height in the airtight elbow launder and feed back in real time, airtight launder is installed on airtight elbow launder, the ceramic heating module package is in the outside of airtight launder, the thermal insulation layer wraps up in the outside of ceramic heating module, the thermocouple is used for detecting the temperature of ceramic heating module and feeds back to control system, when the thermocouple detects airtight launder temperature and drops to a certain threshold value, and control system automatic control ceramic heating module starts to suitable temperature in order to heat airtight launder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122787488.5U CN216656302U (en) | 2021-11-15 | 2021-11-15 | Heat-preservation launder device of quantitative furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122787488.5U CN216656302U (en) | 2021-11-15 | 2021-11-15 | Heat-preservation launder device of quantitative furnace |
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| CN216656302U true CN216656302U (en) | 2022-06-03 |
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| CN202122787488.5U Active CN216656302U (en) | 2021-11-15 | 2021-11-15 | Heat-preservation launder device of quantitative furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618608A (en) * | 2023-05-15 | 2023-08-22 | 小米汽车科技有限公司 | Aluminum liquid transmission system and die casting production line |
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2021
- 2021-11-15 CN CN202122787488.5U patent/CN216656302U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618608A (en) * | 2023-05-15 | 2023-08-22 | 小米汽车科技有限公司 | Aluminum liquid transmission system and die casting production line |
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