CN2838807Y - Metal liquid valve - Google Patents
Metal liquid valve Download PDFInfo
- Publication number
- CN2838807Y CN2838807Y CN 200520077535 CN200520077535U CN2838807Y CN 2838807 Y CN2838807 Y CN 2838807Y CN 200520077535 CN200520077535 CN 200520077535 CN 200520077535 U CN200520077535 U CN 200520077535U CN 2838807 Y CN2838807 Y CN 2838807Y
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- CN
- China
- Prior art keywords
- melting furnace
- condenser
- molten metal
- cooling medium
- furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a metal liquid valve which comprises a melting furnace and a holding furnace. The utility model is characterized in that the bottom part of the melting furnace and the bottom part of the holding furnace are respectively provided with an outlet and an inlet; a conveying pipe is arranged between the outlet and the inlet, thereby, an inner chamber of the melting furnace is communicated with an inner chamber of the holding furnace; a condenser is arranged on the conveying pipe; the condenser is communicated with a circulating cooling medium source; the condenser is provided with two sections, and the two sections of the condenser are respectively arranged on both ends of the conveying pipe; an induction coil is wound in the middle of the conveying pipe; the induction coil is formed by winding a metal conducting wire pipe, both ends of the induction coil are respectively connected with two electrodes of a power supply with controlled power and an inner chamber of the induction coil is also communicated with the circulating cooling medium source. When metal liquid in the melting furnace is sent in the holding furnace by the utility model, the phenomenon of air absorption and cinder inclusion is avoided to ensure casting workpiece to have the advantages of good quality and high yield and the utility model is suitable for the pipes which are used for conveying the metal liquid to open or to close in the casting trade.
Description
(1) technical field
The utility model relates to a kind of valve.Specifically, be with heating or the type of cooling a kind of molten metal valve that the molten metal in the pipeline of flowing through is opened or turn-offed, be applicable in the casting industry that the pipeline of transferring metal liquid is opened or turn-offed between melting furnace and holding furnace.
(2) background technology
At casting industry, after melting furnace fusing and the molten metal of adjusting chemical analysis need be sent into holding furnace and be incubated, could draw and cast by guide casting machine.At present, the common methods of the molten metal in the melting furnace being sent in the holding furnace is a potential difference chute method.This potential difference chute method is that melting furnace and holding furnace are one high and one low layout respectively, makes between melting furnace and the holding furnace and forms drop, and between their fire door a chute is set.In the casting process, make melting furnace towards the chute lopsidedness, the molten metal in the melting furnace is poured in the chute, molten metal is sent in the holding furnace by chute by hydraulic jack.Because metal liquid stream is through chute, and chute is again uncovered, makes molten metal can contact with air in the chute process of flowing through and produces bubble.And when toppling over, the molten metal that enters chute also can produce air-breathing, slag inclusion situation, has in the foundry goods that bubble and slag inclusion, product quality descend, yield rate is not high thereby make.
(3) utility model content
The technical problems to be solved in the utility model provides a kind of molten metal valve.When adopting this molten metal valve that the molten metal in the melting furnace is sent into holding furnace, can avoid generation air-breathing, the slag inclusion situation, make that the workpiece quality that casts out is good, yield rate is high.
For addressing the above problem, the utility model is taked following technical scheme:
Molten metal valve of the present utility model comprises melting furnace and holding furnace.Its design feature is that export and import is arranged respectively at the bottom of melting furnace and holding furnace, is connected to carrier pipe between this export and import, thereby is connected between the inner chamber of the inner chamber that makes melting furnace and holding furnace.Condenser is arranged on the carrier pipe, and this condenser is connected with a circulating cooling medium source.
Said condenser can be two sections, and these two sections condensers are in the two ends of carrier pipe respectively.The centre that on the carrier pipe between two sections condensers is carrier pipe is wound with induction coil, and this induction coil is to form with the coiling of plain conductor pipe, and its two ends are connected with two electrodes of a controlled power power supply respectively, and its inner chamber also is connected with the circulating cooling medium source.
Said circulating cooling medium source can be recirculated cooling water, air or chemical refrigerant etc.Chemical refrigerant wherein is refrigerator or idle call cold-producing medium.
Take such scheme, have the following advantages:
Because export and import is arranged respectively at the bottom of its melting furnace of molten metal valve of the present utility model and holding furnace, is connected to carrier pipe between this export and import, thereby be connected between the inner chamber of the inner chamber that makes melting furnace and holding furnace.Adopt this structure, have only the molten metal of melting furnace bottom to flow in the holding furnace by carrier pipe, whole transfer passage is closed, make the molten metal not contact, thereby avoided molten metal in course of conveying, contact and the situation generation that produces bubble with air with air from the overall process that melting furnace flows into holding furnace.Therefore, the workpiece that casts out does not have bubble, quality is better.
Because export and import is arranged respectively at the bottom of melting furnace and holding furnace, be connected to carrier pipe between this export and import again, be connected between the inner chamber that makes melting furnace by carrier pipe and the inner chamber of holding furnace.Condenser is arranged on carrier pipe, and this condenser is connected with a circulating cooling medium source.By increasing or reduce the cooling medium in the condenser, metal temperature in the carrier pipe is reduced or raise, and become solid-stately by liquid state, or by solid-state liquefy, realize the shutoff of molten metal and open-minded with this, play the effect of valve.Having saved needs to make melting furnace topple over the trouble of molten metal by hydraulic jack, has also avoided because of toppling over the situation that produces air-breathing and slag inclusion in the molten metal being taken place, thereby has further improved the yield rate of product quality and product.
(4) description of drawings
Accompanying drawing is a molten metal valve structural representation of the present utility model.
(5) specific embodiment
As shown in drawings, molten metal valve of the present utility model contains melting furnace 2 and holding furnace 8, the corresponding position, bottom, furnace wall of melting furnace 2 and holding furnace 8 is processed with outlet 13 and import 10 respectively, is connected to carrier pipe 9 between this outlet and the import, so that make the intracavity inter-connection of melting furnace 2 and holding furnace 8.Carrier pipe 9 wherein is carborundum tubes.Be provided with circulating cooling medium source 12 at melting furnace 2 and 8 of holding furnaces, this circulating cooling medium source can be the cooling water of circulation, also can be compressed air or other cold-producing medium of circulation.Said cold-producing medium is refrigerator or idle call cold-producing medium.Carrier pipe 9 is provided with condenser 3, and this condenser can form with the coiling of plain conductor pipe, also can be metal water jacket etc.The two ends of condenser 3 are connected by the import and export of pipeline 11 with circulating cooling medium source 12 respectively, thereby 12 in condenser 3 and circulating cooling medium source are connected.In casting process, as long as open circulating cooling medium source 12, make itself and 3 of condensers form circulation, can make the molten metal 1 in the carrier pipe 9 cool off, solidify and block, molten metal transfer passage between melting furnace 2 and the holding furnace 8 is closed, that is valve closing.When need are opened the molten metal transfer passage of 8 of melting furnace 2 and holding furnaces that is are opened valve, as long as (at this moment the circulating cooling medium in the condenser 3 is reduced by circulating cooling medium source 12, cooling medium quantity in the condenser 3 should be able to guarantee that condenser 3 can not damage because of overheated), will under the conduction of heat of melting furnace 2 and holding furnace 8 inner metal liquids 1, make the Metal Melting of solidifying in the carrier pipe 9 change into liquid state.Thereby make the molten metal transfer passage of 8 of melting furnace 2 and holding furnaces open-minded, that is valve open.
For ease of opening the molten metal transfer passage of 8 of melting furnace 2 and holding furnaces fast, that is open valve fast, said condenser 3 can have two sections.These two sections condensers also are to form with the coiling of plain conductor pipe, and around promptly close melting furnace 2 in the two ends of carrier pipe 9 and holding furnace 8 places, their two ends are connected by the import and export of pipeline 11 with circulating cooling medium source 12 respectively respectively for they.Simultaneously, be wound with induction coil 4 in the centre of carrier pipe 9, this induction coil is to form with the coiling of plain conductor pipe.The two ends of induction coil 4 are welded with a sheet metal respectively, and are porose on the sheet metal, induction coil 4 two ends by screw, sheet metal and on hole and lead 6 link together with two electrodes of a controlled power power supply 5 respectively.When need are opened the molten metal transfer passage of 8 of melting furnace 2 and holding furnaces fast, as long as in reducing condenser 3 in the cooling medium, opening controlled power power supply 5 gives induction coil 4 power supplies, carry out eddy-current heating by the metals in 4 pairs of carrier pipes of induction coil 9, can make the metals fusing and flowing fast in the carrier pipe 9.
When need are closed the molten metal transfer passage of 8 of melting furnace 2 and holding furnaces, as when turn-offing controlled power power supply 5, in induction coil 4, feeding cooling medium, can play the effect of assisting condenser 3 to make molten metal 1 rapid solidification in the carrier pipe 9 by circulating cooling medium source 12.
In addition, temperature element 7 is installed also on carrier pipe 9, makes when being used for valve-off molten metal 1 temperature in the carrier pipe 9 just be controlled at the temperature value of freezing point.Said temperature element 7 is a thermocouple.
Claims (5)
1. molten metal valve, comprise melting furnace (2) and holding furnace (8), outlet (13) and import (10) are arranged respectively at the bottom that it is characterized in that melting furnace (2) and holding furnace (8), be connected to carrier pipe (9) between this export and import, thereby be connected between the inner chamber of the inner chamber that makes melting furnace (2) and holding furnace (8); Condenser (3) is arranged on the carrier pipe (9), and this condenser is connected with a circulating cooling medium source (12).
2. molten metal valve according to claim 1 is characterized in that said condenser (3) has two sections, and these two sections condensers are in the two ends of carrier pipe (9) respectively; The centre of carrier pipe (9) is wound with induction coil (4), and this induction coil is to form with the coiling of plain conductor pipe, and its two ends are connected with two electrodes of a controlled power power supply (5) respectively, and its inner chamber also is connected with circulating cooling medium source (12).
3. molten metal valve according to claim 1 and 2 is characterized in that said circulating cooling medium source (12) is a cooling water.
4. molten metal valve according to claim 1 and 2 is characterized in that said circulating cooling medium source (12) is an air.
5. molten metal valve according to claim 1 and 2 is characterized in that said circulating cooling medium source (12) is a chemical refrigerant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520077535 CN2838807Y (en) | 2005-11-12 | 2005-11-12 | Metal liquid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520077535 CN2838807Y (en) | 2005-11-12 | 2005-11-12 | Metal liquid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2838807Y true CN2838807Y (en) | 2006-11-22 |
Family
ID=37426793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520077535 Expired - Fee Related CN2838807Y (en) | 2005-11-12 | 2005-11-12 | Metal liquid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2838807Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102750A (en) * | 2019-05-24 | 2019-08-09 | 湖北启宏热工设备有限公司 | A kind of molten metal switch valve |
-
2005
- 2005-11-12 CN CN 200520077535 patent/CN2838807Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102750A (en) * | 2019-05-24 | 2019-08-09 | 湖北启宏热工设备有限公司 | A kind of molten metal switch valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| RR01 | Reinstatement of patent right | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061122 Termination date: 20101112 |