CN111644606A - Lead-acid storage battery grid continuous casting lead liquid supply system - Google Patents
Lead-acid storage battery grid continuous casting lead liquid supply system Download PDFInfo
- Publication number
- CN111644606A CN111644606A CN202010687168.XA CN202010687168A CN111644606A CN 111644606 A CN111644606 A CN 111644606A CN 202010687168 A CN202010687168 A CN 202010687168A CN 111644606 A CN111644606 A CN 111644606A
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- Prior art keywords
- lead
- liquid
- liquid supply
- continuous casting
- groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/04—Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
- B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art
- B22D25/04—Casting metal electric battery plates or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/06—Heating or cooling equipment
Abstract
The invention discloses a lead-acid storage battery grid continuous casting lead liquid supply system which comprises a fixed die and a lead melting furnace for supplying lead liquid to the fixed die, wherein an inner cavity of the lead melting furnace is divided into a lead melting pool and a working pool through a filter screen, and lead liquid automatically flows into the working pool through the filter screen after a lead block is placed in the lead melting pool and is melted and is supplied to the fixed die. According to the invention, the filter screen is used for filtering impurities in the lead liquid, and the filter screen is used for cutting gas in the lead liquid and helping the gas to float upwards and separate out, so that the structure reduces the content of gas and solid impurities in the lead liquid when the mould is filled, improves the phenomenon that the content of internal pores and slag inclusion of the continuous casting grid is high, and obviously improves the strength of the continuous casting grid.
Description
Technical Field
The invention relates to the technical field of continuous casting, in particular to a continuous casting lead liquid supply system for a lead-acid storage battery grid.
Background
The continuous casting technology of the grid of the lead-acid storage battery is used as the most economic and environment-friendly grid production mode at present, and obtains general acceptance of manufacturers of the lead-acid storage battery, but because the technology is not mature enough, and domestic lead-acid storage battery manufacturers adopt a large amount of secondary lead and the like, the use effect of the continuous casting technology of the grid of the lead-acid storage battery in China is not ideal, and the effects mainly include that the internal pores and slag inclusion of the continuous casting grid are more, so that the grid strength is seriously influenced.
Therefore, in order to solve the problems, the continuous casting lead liquid supply system for the lead-acid storage battery grid is provided, so that gas and impurities in lead liquid during mold filling of a mold are reduced, and the strength of the continuous casting grid is obviously improved.
Disclosure of Invention
In view of the above, the invention provides a lead liquid supply system for continuous casting of a lead-acid storage battery grid, which reduces gas and impurities in the lead liquid during mold filling of a mold and remarkably improves the strength of the continuous casting grid.
The invention discloses a lead-acid storage battery grid continuous casting lead liquid supply system, which comprises a fixed die and a lead melting furnace for supplying lead liquid to the fixed die, wherein the inner cavity of the lead melting furnace is divided into a lead melting pool and a working pool through a filter screen, and lead liquid automatically flows into the working pool through the filter screen after a lead block is placed in the lead melting pool and is supplied to the fixed die after being melted.
Further, an inert gas channel is arranged in the lead melting pool and is approximately communicated to the bottom of the lead melting pool.
Further, the cover half is provided with the fitting surface of fitting for the complex with the battery continuous moving mould, a confession liquid passageway has on the cover half, set up on the fitting surface with the lead groove that goes out of the radial intercommunication of confession liquid passageway, confession liquid passageway one end is as the inlet, it has defeated lead pipe to run through its feed liquor end in the confession liquid passageway, defeated lead pipe outer end is as feed liquor end and work pool intercommunication, and defeated lead pipe inner is the blind end, it is provided with a plurality of lead holes to extend its axial arrangement on the defeated lead pipe, and lead hole corresponds lead groove setting and goes out lead groove and expose lead hole, supply the inside sunken exhaust groove that extends and communicate with lead groove along confession liquid passageway trend direction that forms in confession liquid passageway top, the exhaust groove is located lead groove top and is used for accepting the gas that the lead liquid is appeared.
Furthermore, the bottom of the liquid supply channel is inwards sunken to form a lead flowing groove extending along the direction of the trend of the liquid supply channel, and one side of the lead flowing groove, which is close to the matching surface, is communicated with the lead outlet groove.
Furthermore, the other end of the liquid supply channel is used as a liquid outlet and communicated to the working pool, so that redundant lead liquid flows back to the working pool.
Furthermore, the upper side wall of the lead outlet groove is an upper guide inclined surface which inclines upwards from the side of the outward exhaust groove.
Furthermore, the lower side wall of the lead outlet groove is a lower guide inclined surface which inclines downwards from the side of the outward flow lead groove.
And the partition plate is connected in the inner cavity of the lead melting furnace, is positioned above the filter screen and is spliced with the filter screen.
Furthermore, a plurality of heating holes are formed in the fixed die and are approximately parallel to the liquid supply channel.
Furthermore, a plurality of cooling holes are formed in the fixed die and are approximately parallel to the liquid supply channel.
The invention has the beneficial effects that:
according to the invention, molten lead liquid flows into the working pool through the filter screen, impurities in the lead liquid are filtered through the filter screen, gas in the lead liquid is cut through the filter screen and the gas is favorably floated and separated out, the structure reduces the content of gas and solid impurities in the lead liquid when the mould is filled, in addition, inert gas is introduced into the bottom of the lead liquid and floats upwards to stir the lead liquid, the gas and the solid impurities originally existing in the lead liquid are favorably brought to the liquid level of the lead liquid through the upward floating of the inert gas, so that floating slag is gathered at the liquid level of the lead liquid, the impurities are prevented from entering the working pool, degassing and deslagging are favorably carried out, a small amount of gas in the lead liquid finally entering the working pool floats upwards and is separated out to the exhaust groove when the lead liquid is supplied into the fixed mould, and the exhaust groove serves as a final degassing process, and is favorable for removing the small amount of gas; the filter screen, the inert gas channel and the exhaust groove are combined in the initial melting stage and the final liquid supply stage of the lead liquid, and impurities and gas are removed in a dynamic and static mode, so that the amount of the gas and the impurities in the lead liquid is greatly reduced when the mold is filled, the phenomenon that the content of air holes and slag in the continuous casting grid is high is improved, and the forming quality of the continuous casting grid is obviously improved.
Drawings
The invention is further described below with reference to the figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a lead melting furnace;
FIG. 3 is a schematic view of a stationary mold structure;
FIG. 4 is a schematic sectional view taken along line A-A in FIG. 3;
Detailed Description
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a schematic view of a lead melting furnace; FIG. 3 is a schematic view of a stationary mold structure; FIG. 4 is a schematic sectional view taken along line A-A in FIG. 3;
as shown in the figure: the lead-acid storage battery grid continuous casting lead liquid supply system comprises a fixed die 10 and a lead melting furnace 20 for supplying lead liquid to the fixed die, wherein the inner cavity of the lead melting furnace 20 is divided into a lead melting pool 22 and a working pool 23 through a filter screen 21, and lead liquid automatically flows into the working pool 23 through the filter screen after lead blocks are placed in the lead melting pool 22 and are melted and is supplied to the fixed die. The play liquid end of lead melting furnace can directly link with the cover half feed liquor end, perhaps the play liquid end of lead melting furnace is connected through the feed liquor end of lead pump with the cover half, this embodiment adopts the scheme that sets up the lead pump, it is shown to combine figure 1, wherein lead pump 30 fixed mounting is on the lead melting pond inner wall and through the operation of motor 40 drive lead pump, the motor is fixed in on the lead melting pond lateral wall and through belt and lead pump transmission cooperation, the feed liquor end of lead pump is connected with the play liquid end of lead melting furnace, the play liquid end of lead pump is connected through the feed liquor end of advancing lead pipeline 31 and cover half. The fixed die is matched with the continuous storage battery moving die 50, the continuous storage battery moving die 50 is of a circular structure, the matching surface 11 of the corresponding fixed die is in an arc shape, the matching surface 11 of the fixed die is attached to the outer circle of the continuous storage battery moving die 50 and continuously supplies lead liquid to the continuous storage battery moving die 50 along with the rotation of the continuous storage battery moving die 50, the continuous storage battery moving die 50 is driven to rotate through external driving equipment, the continuous storage battery moving die 50 is installed on the rack 60, an upper cover 70 is also installed on the rack, and the upper cover 70 is half covered on the continuous storage battery moving die and used for capturing demoulding oil and; lead melting furnace 20 is square stove, the vertical interval of filter screen 21 makes lead melting pool 22 and working pool 23 transversely control the distribution in the lead melting furnace 20 inner chamber, but lead melting furnace 20 bottom level sets up or can be to working pool 23 side downward sloping slightly, accessible electrical heating or gas heating provide the energy when melting for the lead block in the lead melting pool 22, in actual melting process, it melts to add the lead block in lead melting pool 22, the lead liquid after melting can flow to working pool 23 in through the filter screen, impurity in the lead liquid is filtered through the filter screen, and gas in the lead liquid is cut through the filter screen and help gas come-up to separate out, gas and solid impurity content in the lead liquid when this structure has reduced the mould and has filled the type, improve the inside gas pocket of continuous casting grid, the more phenomenon of inclusion sediment content, the continuous casting grid intensity has obviously been improved.
In this embodiment, the molten lead pool 22 has an inert gas channel 24 therein, and the inert gas channel 24 is substantially communicated to the bottom of the molten lead pool 22. The fact that the inert gas channel is approximately communicated with the bottom of the molten lead pool 22 means that the gas outlet end of the inert gas channel is located close to the bottom of the molten lead pool 22, and the gas outlet end can be in contact with the bottom of the molten lead pool 22 and can also keep a certain distance; as shown in fig. 2, the inert gas channel 24 is composed of a gas pipe, the gas pipe is externally connected with a gas supply device such as a gas pump or an air compressor, the inert gas can adopt nitrogen or argon, the inert gas is introduced into the bottom of the lead liquid and floats upwards to stir the lead liquid, the floating of the inert gas is beneficial to bringing the originally existing gas and solid impurities in the lead liquid to the liquid level of the lead liquid, so that scum is gathered at the liquid level of the lead liquid, the impurities are prevented from entering a working tank, and degassing and deslagging are facilitated, the structure is combined with the filter screen 21 to realize the combination of dynamic degassing and static degassing and deslagging, and the degassing and deslagging effects are comprehensively improved;
in this embodiment, the cover half is provided with the fitting surface 11 with the continuous movable mould of battery form fit, a confession liquid channel has on the cover half, set up on the fitting surface and supply the radial lead groove 12 that communicates of liquid channel, confession liquid channel one end is as the inlet, supply liquid channel is interior to run through its feed liquor end and has defeated plumbous pipe 13, defeated plumbous pipe 13 outer end is as feed liquor end and working pool intercommunication, defeated plumbous intraductal for the blind end, it is provided with a plurality of lead outlet holes 14 to extend its axial arrangement on the defeated plumbous pipe, lead outlet hole corresponds lead groove setting and goes out the plumbous groove and expose lead outlet hole, supply the inside sunken formation in liquid channel top and move towards the direction and extend and with lead outlet groove 12 intercommunication exhaust duct 15, the exhaust duct is located lead outlet groove 12 top and is used for accepting the gas that the lead liquid is precipitated. The radial direction of the lead conveying pipe is based on the lead conveying pipe, the axial direction is the length direction of the lead conveying pipe, and the radial direction is the direction of the lead conveying pipe vertical to the length direction and the outer surface of the lead conveying pipe; the top and the bottom of the lead liquid channel correspond to the up-down direction of the lead liquid channel, the up-down direction is consistent with the corresponding direction when the lead liquid system is in the installation state in the figure 1, as shown in the figures 3 and 4, the outer end of the lead conveying pipe 13 is connected with the liquid inlet joint 19a, the liquid inlet joint is connected with the lead inlet pipeline 31, the lead liquid flows to the lead outlet groove 12 through the lead conveying pipe 13 and the lead outlet hole 14 in sequence and is supplied to the continuous movable die of the storage battery through the lead outlet groove 12, at the moment, a small amount of gas in the lead liquid in the working pool floats to the exhaust groove and is exhausted from the liquid outlet of the lead liquid channel, the exhaust groove arranged in the fixed die is used as the last degassing process, the small amount of gas in the lead liquid in the working pool is favorably removed, the impurities and the gas are comprehensively and stereoscopically removed in a dynamic and static mode in combination with the filter screen and the inert gas channel at the, greatly reduces the gas and impurity content in the lead liquid when the mould is filled, and obviously improves the forming quality of the continuous casting grid.
In this embodiment, the bottom of the liquid supply channel is recessed inward to form a lead flowing groove 16 extending along the direction of the liquid supply channel, and one side of the lead flowing groove 16 close to the matching surface is communicated with the lead discharging groove 12. Through the arrangement of the lead flowing groove, when lead liquid is input into the cavity of the continuous movable mold of the storage battery through the lead outlet, the lead liquid can be filled into the lead flowing groove, and the lead liquid stored in the lead flowing groove can supplement the lead liquid in the cavity of the continuous movable mold of the storage battery to a certain extent in the rotating process of the continuous movable mold of the storage battery, so that the phenomenon of insufficient lead liquid in the cavity of the continuous movable mold of the storage battery can be effectively avoided, and the molding quality of a grid can be effectively improved;
in this embodiment, the other end of the liquid supply channel is used as a liquid outlet and is communicated to the working pool 23, so that the redundant liquid lead flows back to the working pool. A liquid outlet of the liquid supply channel is connected to the working pool 23 through a lead return pipeline 32, as shown in fig. 3, a liquid inlet joint 19a and a liquid outlet joint 19b are respectively installed at a liquid inlet and a liquid outlet of the liquid supply channel of the fixed die, installation of the lead inlet pipeline 31 and the lead return pipeline 32 is facilitated through arrangement of the joints, in the actual use process, devices such as flanges and the like need to be welded and fully welded at the liquid inlet joint 19a and the liquid outlet joint 19b, a gap of a lead flowing groove exposed at the liquid inlet and the liquid outlet of the liquid supply channel is filled, and leakage of lead liquid along the lead flowing groove is prevented; the backflow structure is favorable for making redundant lead liquid backflow, the dynamic circulation of the lead liquid is favorable for providing sufficient lead liquid amount for the continuous moving die of the storage battery, the pressure is kept constant when the lead liquid is supplied, and the forming quality of the grid is improved.
In this embodiment, the upper side wall of the lead tapping channel is an upper guide inclined surface 121 inclined upward from the side facing the exhaust channel 15. As shown in fig. 3, the upper guiding inclined surface 121 facilitates guiding gas separated from the molten lead into the exhaust channel, and prevents the gas from flowing into the continuous-motion mold cavity of the storage battery through the lead outlet channel.
In this embodiment, the lower sidewall of the lead tapping channel is a downward guiding inclined surface 122 which inclines downward from the side of the outward lead tapping channel 16. As shown in fig. 3, the lower guiding slope facilitates filling the lead flowing groove 16 with lead liquid, so as to ensure sufficient lead replenishing liquid.
In the embodiment, the lead smelting furnace further comprises a partition plate 25 connected to the inner cavity of the lead smelting furnace 2, and the partition plate is located above the filter screen and spliced with the filter screen. This baffle mainly cooperates the inert gas passageway to use, and when the baffle was submerged to the plumbous liquid level, blockked the dross that floats in plumbous liquid level through the baffle for during the dross can't get into the work cell, guaranteed the purity of plumbous liquid in the work cell.
In this embodiment, the fixed mold is provided with a plurality of heating holes 17 approximately parallel to the liquid supply channel. In this embodiment, the stationary mold is provided with a plurality of cooling holes 18 approximately parallel to the liquid supply channel. Approximately parallel means that the heating and cooling holes are arranged parallel to the liquid supply channel and are allowed to have a certain error or deviation; as shown in fig. 4, three heating holes and three cooling holes are respectively formed in the fixed mold, six of the holes are arranged around the liquid supply channel, as shown in fig. 1, a temperature adjusting assembly 80 is further arranged to match the heating holes and the cooling holes, the temperature adjusting assembly is used for heating the inside of the heating holes or cooling the inside of the cooling holes, an electric heating rod can be inserted into the heating holes, the electric heating rod is controlled to be switched on and off by the temperature adjusting assembly, air supply equipment is externally connected to the inside of the cooling holes, the on-off of the air supply equipment is controlled by the temperature adjusting assembly, air cooling is realized by the structure, a temperature sensor is arranged at the fixed mold, a signal of the temperature sensor is fed back to the temperature adjusting assembly, and then the heating holes or the cooling holes are controlled by the temperature adjusting assembly to; of course, the heating holes and the cooling holes may also be filled with liquid to realize heating or cooling, which is not described in detail; the temperature of the fixed die can be actively controlled to rise and fall through the heating holes or the cooling holes, and the temperature of the fixed die can be accurately and timely controlled.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. The utility model provides a lead acid battery grid continuous casting lead liquid feed system which characterized in that: including the cover half and for the lead smelting furnace of cover half confession lead liquid, lead smelting furnace inner chamber passes through the filter screen and separates for lead smelting pond and work pool, and the lead block place in lead smelting pond internal melting back lead liquid flows to the work pool in and supplies the lead liquid to the cover half through the filter screen by oneself.
2. The lead-acid battery grid continuous casting lead liquid supply system of claim 1, characterized in that: and the lead melting pool is internally provided with an inert gas channel which is approximately communicated to the bottom of the lead melting pool.
3. The lead-acid battery grid continuous casting lead liquid supply system of claim 2, characterized in that: the cover half is provided with and forms fit for complex fitting surface with the battery continuous moving mould, a confession liquid passageway has on the cover half, set up on the fitting surface with the lead groove that goes out of the radial intercommunication of confession liquid passageway, confession liquid passageway one end is as the inlet, it has defeated plumbous pipe to run through its feed liquor end in the confession liquid passageway, defeated plumbous outer end is as feed liquor end and work pool intercommunication, and defeated plumbous intraductal is the blind end, it is provided with a plurality of lead outlet holes to prolong its axial arrangement on the defeated plumbous pipe, and lead outlet hole corresponds lead groove setting and goes out the lead groove and expose lead outlet hole, the inside sunken formation in confession liquid passageway top is followed the exhaust groove that supplies liquid passageway trend direction to extend and with lead outlet groove intercommunication, the exhaust groove is located lead outlet groove top and is used for.
4. The lead-acid battery grid continuous casting lead liquid supply system of claim 3, characterized in that: the bottom of the liquid supply channel is inwards sunken to form a lead flowing groove extending along the direction of the trend of the liquid supply channel, and one side, close to the matching surface, of the lead flowing groove is communicated with the lead discharging groove.
5. The lead-acid battery grid continuous casting lead liquid supply system of claim 3, characterized in that: the other end of the liquid supply channel is used as a liquid outlet and communicated to the working pool, so that redundant lead liquid flows back to the working pool.
6. The lead-acid battery grid continuous casting lead liquid supply system of claim 3, characterized in that: the upper side wall of the lead outlet groove is an upward guide inclined surface inclining upwards from the side of the outward exhaust groove.
7. The lead-acid battery grid continuous casting lead liquid supply system of claim 4, characterized in that: the lower side wall of the lead outlet groove is a lower guide inclined surface which inclines downwards from the outward flowing lead groove side.
8. The lead-acid battery grid continuous casting lead liquid supply system of claim 2, characterized in that: the lead smelting furnace is characterized by further comprising a partition board connected to the inner cavity of the lead smelting furnace, wherein the partition board is located above the filter screen and is spliced with the filter screen.
9. The lead-acid battery grid continuous casting lead liquid supply system of claim 3, characterized in that: and a plurality of heating holes are formed on the fixed die and are approximately parallel to the liquid supply channel.
10. The lead-acid battery grid continuous casting lead liquid supply system of claim 9, characterized in that: and a plurality of cooling holes are formed in the fixed die and are approximately parallel to the liquid supply channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010687168.XA CN111644606A (en) | 2020-07-16 | 2020-07-16 | Lead-acid storage battery grid continuous casting lead liquid supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010687168.XA CN111644606A (en) | 2020-07-16 | 2020-07-16 | Lead-acid storage battery grid continuous casting lead liquid supply system |
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| CN111644606A true CN111644606A (en) | 2020-09-11 |
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| CN202010687168.XA Pending CN111644606A (en) | 2020-07-16 | 2020-07-16 | Lead-acid storage battery grid continuous casting lead liquid supply system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170815A (en) * | 2020-09-27 | 2021-01-05 | 中国船舶重工集团衡远科技有限公司 | Grid continuous casting lead supply system |
| CN113285075A (en) * | 2021-04-20 | 2021-08-20 | 广州市通上德智能装备有限公司 | Lead alloy casting plate production system |
-
2020
- 2020-07-16 CN CN202010687168.XA patent/CN111644606A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170815A (en) * | 2020-09-27 | 2021-01-05 | 中国船舶重工集团衡远科技有限公司 | Grid continuous casting lead supply system |
| CN113285075A (en) * | 2021-04-20 | 2021-08-20 | 广州市通上德智能装备有限公司 | Lead alloy casting plate production system |
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