CN211802972U - Diffusing gas collecting device in silicomanganese pouring process - Google Patents
Diffusing gas collecting device in silicomanganese pouring process Download PDFInfo
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- CN211802972U CN211802972U CN201922343563.1U CN201922343563U CN211802972U CN 211802972 U CN211802972 U CN 211802972U CN 201922343563 U CN201922343563 U CN 201922343563U CN 211802972 U CN211802972 U CN 211802972U
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Abstract
The utility model provides a silicomanganese pouring process diffuses gas collection device, include: the smoke hood is arranged on the outer side of the silicomanganese casting ingot mold, one end of the smoke hood is provided with a silicomanganese molten slurry leading-in groove, the smoke collecting pipe is installed above the smoke hood and is parallel to the length direction of the silicomanganese casting ingot mold, a plurality of smoke sucking holes are formed in the smoke collecting pipe, the smoke discharging main pipe is connected to the end, far away from the silicomanganese molten slurry leading-in groove, of the smoke collecting pipe, and the end, far away from the smoke collecting pipe, of the smoke discharging main pipe is provided with a negative pressure generating device. The smoke hood is arranged on the outer side of the silicomanganese casting ingot mold, a relatively isolated diffused gas dissipation space is formed in the smoke hood, and diffused gas in the smoke hood is collected through the smoke collecting pipe arranged at the top of the smoke hood, so that the diffused gas dissipation amount is effectively reduced, and the workshop operation environment is improved. Simultaneously, the petticoat pipe provides an isolation barrier, avoids the operation personnel to contact high temperature and causes the scald, eliminates the potential safety hazard.
Description
Technical Field
The utility model belongs to the technical field of the atmosphere pollution control, concretely relates to silicomanganese pouring process diffuses gas collection device.
Background
During the process of casting and solidifying the molten silicon-manganese alloy into ingots in an ingot mold, a large amount of diffused gas can be generated, the diffused gas contains harmful substances such as metal particles and carbon monoxide, and the discharge is discontinuous, the duration is short, and the positions are not concentrated. Practice shows that a large amount of diffused gas is generated in the pouring process of the silicon-manganese alloy from the ladle to the ingot mould and in the early stage of solidification in the ingot mould, and the diffused gas can cause the environment of a production workshop to be sharply deteriorated and is not beneficial to the physical health of operators when being diffused into the atmospheric environment, and can cause atmospheric environmental pollution when being diffused into the atmospheric environment.
Disclosure of Invention
In view of this, the utility model provides a silicomanganese pouring process diffused gas collection device to solve the difficult collection processing's of harmful diffused gas that produces among the silicomanganese alloy pouring that exists and the solidification process technical problem.
The utility model provides a technical scheme that its technical problem adopted is:
a kind of silicon manganese casting process diffuses the gas collection system, the cover is located outside silicon manganese casting ingot mould, including:
the smoke hood is arranged outside the silicomanganese casting ingot mold, and one end of the smoke hood is provided with a silicomanganese molten slurry leading-in groove;
the smoke collecting pipe is arranged above the smoke hood and is parallel to the length direction of the silicon-manganese cast ingot mould, a plurality of smoke absorbing holes are formed in the smoke collecting pipe, and the distribution density of the smoke absorbing holes close to one end of the silicon-manganese molten slurry guiding groove is greater than that of the smoke absorbing holes far away from one end of the silicon-manganese molten slurry guiding groove; and
the smoke exhaust main pipe is connected to one end, far away from the silicomanganese molten slurry leading-in groove, of the smoke collection pipe, and a negative pressure generating device is arranged at one end, far away from the smoke collection pipe, of the smoke exhaust main pipe.
Preferably, one end of the flue gas collecting pipe close to the silicomanganese molten slurry introducing groove is provided with a horn-shaped flue gas inlet with a downward opening.
Preferably, the pipe diameter of the flue gas collecting pipe is gradually reduced from front to back, and the sectional area of one end close to the silicomanganese molten slurry guiding groove is larger than that of one end far away from the silicomanganese molten slurry guiding groove.
Preferably, at least one carbon monoxide concentration detector is arranged in the smoke hood.
Preferably, the fume hood is further connected with a ventilation pipe, and an outlet of the ventilation pipe is communicated with the inside of the fume hood and is positioned near the upper end of the silicomanganese molten slurry guide groove.
Preferably, the bottom of the smoke hood is provided with a driving walking assembly which can guide the smoke hood to move along the direction parallel or perpendicular to the silicon-manganese cast ingot mold.
Preferably, the diffused gas collection device for the silicomanganese casting process further comprises guide rails arranged on two sides of the silicomanganese casting ingot mold, and the smoke hood is slidably mounted on the guide rails.
Preferably, the guide rail is a dovetail-groove-type slide rail, and a lubricating oil film is arranged on the contact surface of the smoke cover and the guide rail.
According to the above technical scheme, the utility model provides a silicomanganese pouring process diffuses gas collection system, its beneficial effect is: will the outer side of silicomanganese casting ingot mould is located to the petticoat pipe cover form the diffused gas loss space of a relative isolation in the petticoat pipe, and through being provided with the petticoat pipe top the flue gas collecting pipe is right diffused gas in the petticoat pipe is collected, and the warp the house steward output of discharging fume carries out the aftertreatment, has reduced the loss volume of diffused gas effectively, improves workshop operation environment. The smoke collecting pipe is provided with the smoke absorbing holes, the density of the smoke absorbing holes is gradually reduced, and the smoke absorbing holes are favorable for forming strong suction force at one end of the silicomanganese molten slurry leading-in groove close to the smoke hood, so that the amount of diffused gas dissipated in the pouring process of silicomanganese molten iron and the solidification initial stage is effectively reduced, and the condition that the workshop environment is deteriorated or the atmospheric environment is polluted due to the fact that a large amount of diffused gas is dissipated to the workshop or the external environment is prevented. Simultaneously, the petticoat pipe provides an isolation barrier, separates the high temperature zone near silicomanganese pouring ingot mould, avoids the operation personnel to contact high temperature and causes the scald, eliminates the potential safety hazard.
Drawings
FIG. 1 is a schematic structural diagram of a diffused gas collecting device in a silicomanganese casting process.
FIG. 2 is a side view of the off-gas collection device during the silicomanganese casting process.
Fig. 3 is a schematic sectional view taken along line a-a of fig. 2.
FIG. 4 is a bottom view of the off-gas collection device during the silicomanganese casting process.
Fig. 5 is a schematic sectional view taken along line B-B in fig. 4.
In the figure: the device comprises a silicon-manganese casting process diffused gas collecting device 10, a silicon-manganese casting ingot mold 20, a smoke hood 100, a silicon-manganese molten slurry guiding groove 110, a ventilating pipe 120, a driving walking assembly 130, a smoke collecting pipe 200, a smoke inlet 210, a smoke sucking hole 201, a smoke discharging main pipe 300 and a guide rail 400.
Detailed Description
The following combines the drawings of the utility model to further elaborate the technical scheme and technical effect of the utility model.
Referring to fig. 1 to 3, in one embodiment, a silicon-manganese alloy casting process diffused gas collecting device 10 is covered outside a silicon-manganese alloy casting ingot mold 20 and is used for collecting harmful diffused gas dissipated in a silicon-manganese alloy casting process and a silicon-manganese alloy solidification process. The method comprises the following steps: petticoat pipe 100, flue gas collecting pipe 200 and main pipe 300 of discharging fume, petticoat pipe 100 covers and locates the silicomanganese pouring ingot mould 20 outside, and one end is provided with silicomanganese molten liquid guide groove 110, flue gas collecting pipe 200 install in the top of petticoat pipe 100, and be on a parallel with the length direction of silicomanganese pouring ingot mould 20, a plurality of smoking holes 201 have been seted up on flue gas collecting pipe 200, and are close to silicomanganese molten liquid guide groove 110 one end smoke holes 201's distribution density is greater than and keeps away from silicomanganese molten liquid guide groove 110 one end. The smoke exhaust main pipe 300 is connected to one end of the smoke exhaust main pipe 200 far away from the silicomanganese molten slurry introduction groove 110, and a negative pressure generating device is arranged at one end of the smoke exhaust main pipe 300 far away from the smoke exhaust main pipe 200.
Will the petticoat pipe 100 covers the outside of locating silicomanganese casting ingot mould 20 the petticoat pipe 100 forms a relative isolated diffused gas loss space, and through being provided with the flue gas collecting pipe 200 is right the diffused gas in the petticoat pipe 100 is collected, and the process the output of total pipe 300 of discharging fume carries out the aftertreatment, has reduced the loss of diffused gas effectively, improves workshop operational environment. The smoke collecting pipe 200 is provided with the smoke absorbing holes 201, the density of the smoke absorbing holes 201 is gradually reduced, and the smoke absorbing holes are favorable for forming strong suction at one end of the silicomanganese molten slurry guiding groove 110 close to the smoke hood 100, so that the collecting efficiency close to one end of the silicomanganese molten slurry guiding groove 110 is enhanced, the scattered gas generated in the pouring process of the silicomanganese molten iron and in the solidification initial stage is effectively reduced, and the workshop environment or the atmospheric environment pollution caused by the scattering of a large amount of the scattered gas to the workshop or the external environment is prevented. Meanwhile, the smoke hood 100 provides an isolation barrier to isolate a high-temperature area near the silicomanganese casting ingot mold, so that scalding caused by high-temperature contact of operating personnel is avoided, and potential safety hazards are eliminated.
Further, one end of the flue gas collecting pipe 200 close to the silicomanganese molten slurry introducing groove 110 is provided with a downward-opening trumpet-shaped flue gas inlet 210, so that the collecting efficiency of one end close to the silicomanganese molten slurry introducing groove 110 is further enhanced, and the diffused gas dissipated in the pouring process of the silicomanganese molten iron is reduced. In the process of pouring the silicon-manganese alloy molten iron into the ingot mold, a large amount of diffused gas generated is sucked into the flue gas collecting pipe 200 along the inlet of the silicon-manganese molten slurry guiding groove 110 under the action of the strong suction force at the flue gas inlet 210, so that the amount of diffused gas in the process of pouring the silicon-manganese alloy molten iron into the ingot mold is effectively reduced.
Further, the pipe diameter of the flue gas collecting pipe 200 is gradually reduced from front to back, and the sectional area of one end close to the silicomanganese molten slurry guiding groove 110 is larger than that of one end far away from the silicomanganese molten slurry guiding groove 110, so that the suction force of one end close to the silicomanganese molten slurry guiding groove 110 is further improved, and the collection efficiency of the diffused gas is improved. Meanwhile, the diffused gas close to and far from the silicomanganese molten slurry leading-in groove 110 is collected through the smoke suction holes 201, and the diffused gas collection efficiency is improved.
In one embodiment, at least one carbon monoxide concentration detector is disposed within the smoke cage 100. Preferably, three carbon monoxide concentration detectors are respectively arranged at one end of the smoke hood close to the silicomanganese molten slurry introduction groove 110, the middle part of the smoke hood 100 and one end of the smoke hood 100 far away from the silicomanganese molten slurry introduction groove 110, so as to integrally detect the concentration of the carbon monoxide in the smoke hood 100, and by taking the concentration as a reference, the concentration of the diffused gas of the smoke hood 100 and the solidification state of the silicomanganese alloy are judged.
Referring to fig. 4 and 5 together, in order to further accelerate the collection of the diffused gas and the solidification cooling rate of the silicon-manganese alloy, in an embodiment, a ventilation pipe 120 is further connected to the hood 100, and an outlet of the ventilation pipe 120 is communicated with the inside of the hood 100 and is located near an upper end of the silicon-manganese melt introduction groove 110. Preferably, the ventilation pipe 120 is a long pipe arranged parallel to the length direction of the silicomanganese ingot mold, and a plurality of ventilation holes are formed in the ventilation pipe 120. In the processes of pouring and silicon-manganese alloy solidification, cold air or cold inert gas such as nitrogen is introduced into the smoke hood 100 through the ventilation pipe 120, so that on one hand, the gas phase environment in the smoke hood 100 is replaced, the collection efficiency of diffused gas is improved, the emission amount of the diffused gas is reduced, and the workshop environment is improved. On the other hand, cold air or nitrogen contacts with the surface of the silicon-manganese alloy iron ingot to form airflow disturbance, so that the dissipation of the diffused gas is accelerated, the collection efficiency of the diffused gas is effectively improved, and meanwhile, the cold air or nitrogen contacts with the surface of the silicon-manganese alloy to accelerate the cooling process of the silicon-manganese alloy.
In one embodiment, the bottom of the smoke cage 100 is provided with a walking wheel assembly 130, and the walking wheel assembly 130 can guide the smoke cage 100 to move along the direction parallel or perpendicular to the silicon manganese ingot casting mold 20. For example, the silicomanganese casting process diffused gas collecting device 10 further comprises guide rails 400 arranged at two sides of the silicomanganese casting ingot mold 20, and the smoke hood 100 is slidably mounted on the guide rails 400. Preferably, the guide rail 400 is a dovetail-type slide rail, and a lubricating oil film is provided on a contact surface of the smoke cage 100 and the guide rail 400. When the silicomanganese alloy is solidified and cooled for a certain time or when the concentration of carbon monoxide in the smoke hood is reduced to an acceptable range, the smoke hood is slid along the guide rails 400 to expose the silicomanganese cast ingot mold 20 so as to be convenient for hoisting and transferring the silicomanganese alloy.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a silicomanganese pouring process diffused gas collection device, the cover is located silicomanganese pouring ingot mould outside, its characterized in that includes:
the smoke hood is arranged outside the silicomanganese casting ingot mold, and one end of the smoke hood is provided with a silicomanganese molten slurry leading-in groove;
the smoke collecting pipe is arranged above the smoke hood and is parallel to the length direction of the silicon-manganese cast ingot mould, a plurality of smoke absorbing holes are formed in the smoke collecting pipe, and the distribution density of the smoke absorbing holes close to one end of the silicon-manganese molten slurry guiding groove is greater than that of the smoke absorbing holes far away from one end of the silicon-manganese molten slurry guiding groove; and
the smoke exhaust main pipe is connected to one end, far away from the silicomanganese molten slurry leading-in groove, of the smoke collection pipe, and a negative pressure generating device is arranged at one end, far away from the smoke collection pipe, of the smoke exhaust main pipe.
2. The apparatus of claim 1, wherein a flared flue gas inlet with a downward opening is formed at one end of the flue gas collection pipe close to the silicomanganese molten slurry introduction groove.
3. The apparatus for collecting the off-gas generated in the silicomanganese casting process according to claim 1 or 2, wherein the pipe diameter of the flue gas collecting pipe is gradually reduced from front to back, and the cross-sectional area of the end close to the silicomanganese molten slurry leading-in groove is larger than that of the end far away from the silicomanganese molten slurry leading-in groove.
4. The silicomanganese casting process off-gas collection device of claim 3, wherein said hood has at least one carbon monoxide concentration detector disposed therein.
5. The silicomanganese casting process diffused gas collection device of claim 4, wherein the fume hood is further connected with a ventilation pipe, and an outlet of the ventilation pipe is communicated with the inside of the fume hood and is positioned near the upper end of the silicomanganese molten slurry guide groove.
6. The silicomanganese casting process off-gas collection device of claim 1, wherein said hood bottom is provided with a walking-drive assembly capable of guiding said hood to move in a direction parallel or perpendicular to said silicomanganese casting ingot mold.
7. The silicomanganese casting process off-gas collection device of claim 6, further comprising guide rails disposed on both sides of said silicomanganese casting ingot mold, said hood being slidably mounted on said guide rails.
8. The silicomanganese casting process off-gas collection device of claim 7, wherein said guide rail is a dovetail slide rail, and a lubricating oil film is provided on the contact surface of said smoke cage and said guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922343563.1U CN211802972U (en) | 2019-12-25 | 2019-12-25 | Diffusing gas collecting device in silicomanganese pouring process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922343563.1U CN211802972U (en) | 2019-12-25 | 2019-12-25 | Diffusing gas collecting device in silicomanganese pouring process |
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| Publication Number | Publication Date |
|---|---|
| CN211802972U true CN211802972U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922343563.1U Expired - Fee Related CN211802972U (en) | 2019-12-25 | 2019-12-25 | Diffusing gas collecting device in silicomanganese pouring process |
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| CN (1) | CN211802972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114452765A (en) * | 2022-02-21 | 2022-05-10 | 宁夏参进宁宇达冶金有限公司 | Silicon-manganese alloy ingot mold waste gas and foundry ladle waste gas collecting and treating process |
-
2019
- 2019-12-25 CN CN201922343563.1U patent/CN211802972U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114452765A (en) * | 2022-02-21 | 2022-05-10 | 宁夏参进宁宇达冶金有限公司 | Silicon-manganese alloy ingot mold waste gas and foundry ladle waste gas collecting and treating process |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 Termination date: 20211225 |