CN211782812U - Smelting furnace ring air collecting system - Google Patents
Smelting furnace ring air collecting system Download PDFInfo
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- CN211782812U CN211782812U CN201922424719.9U CN201922424719U CN211782812U CN 211782812 U CN211782812 U CN 211782812U CN 201922424719 U CN201922424719 U CN 201922424719U CN 211782812 U CN211782812 U CN 211782812U
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Abstract
The utility model relates to a smelting furnace ring collection wind system, it includes the smelting furnace, a plurality of cinder ladles, the ring collection is responsible for, ring collection fan and first tuber pipe, each cinder ladle is through the axial tip intercommunication of a chute with the smelting furnace, the chute is equipped with first ring collection petticoat pipe with the link top of smelting furnace, the outside parcel second ring collection petticoat pipe of cinder lade, first ring collection petticoat pipe and second ring collection petticoat pipe are responsible for the intercommunication through ring collection branch pipe and ring collection respectively, the ring collection is responsible for a port and is connected with the inlet scoop of ring collection fan, the axial tip of smelting furnace is connected through the air outlet of first tuber pipe with ring collection fan. The utility model discloses the ring collection flue gas that chute and smelting furnace junction spilled over is collected by the first ring collection petticoat pipe that sets up in the top, and the ring collection flue gas of the smelting slag in the cinder ladle spills over and is collected by the second ring collection petticoat pipe, and ring collection fan sends into above-mentioned ring collection flue gas through first tuber pipe and uses as the overgrate air in the smelting furnace, has avoided the flue gas loss to cause the pollution in the air, alleviates follow-up desulfurization system load.
Description
Technical Field
The utility model relates to a metal smelting technical field especially relates to a smelting furnace ring air collecting system.
Background
SO in copper smelting2Is the main atmospheric pollutant, SO in the production process2The melt is dissipated into the air when being poured out of the furnace body, so that the physical health of people is endangered and surrounding buildings are corroded, and therefore, the annular collected smoke dissipated into the air needs to be treated in a centralized manner.
Because the ring-collected flue gas impurities exceed the standard, the ring-collected flue gas amount is large and SO2The concentration is low and easy to fluctuate, direct discharge is not allowed in the aspect of environmental protection, the traditional treatment method is to send the circularly collected flue gas into a desulfurization system for treatment after being collected by the circularly collected flue gas, the treatment cost of the desulfurization system is higher, and the investment of projects is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a smelting furnace ring collection wind system can avoid ring collection flue gas loss to the air in, thereby can alleviate follow-up ring collection desulfurization system load reduction treatment cost again.
The utility model provides a smelting furnace ring collection wind system, be responsible for, ring collection fan and first tuber pipe including smelting furnace, a plurality of cinder ladles, ring collection, each the cinder ladle through a chute with the axial tip intercommunication of smelting furnace, the chute with the link top of smelting furnace is equipped with first ring collection petticoat pipe, the outside parcel second ring collection petticoat pipe of cinder ladle, first ring collection petticoat pipe with second ring collection petticoat pipe respectively through ring collection branch pipe with the ring collection is responsible for the intercommunication, the ring collection be responsible for a port with the inlet scoop of ring collection fan is connected, the axial tip of smelting furnace passes through first tuber pipe with the air outlet of ring collection fan is connected.
According to the utility model provides a smelting furnace ring air collecting system has following beneficial effect: the utility model discloses set up first ring collection petticoat pipe and second ring collection petticoat pipe and collect the ring collection flue gas that produces among the slag discharging process, the ring collection flue gas that the junction department of chute and smelting furnace spills over is set up the first ring collection petticoat pipe in the top and is collected, the ring collection flue gas that the smelting slag in the cinder ladle spills over is set up the second ring collection petticoat pipe in the top and is collected, ring collection fan collects the ring collection flue gas and sends into the smelting furnace in the first tuber pipe of rethread use and has avoided ring collection flue gas loss to cause the pollution in the air, and saved and add and smelt secondary fan, alleviate follow-up desulfurization system load simultaneously, the ring collection flue gas of sending into the smelting furnace can burn monomer sulphur and carbon monoxide in the smelting furnace flue gas, and reduce running cost.
In addition, according to the utility model provides a smelting furnace ring air collecting system can also have following additional technical characterstic:
further, the first air pipe is close to a second air pipe communicated with the position of the annular air collecting fan, the second air pipe is used for conveying annular flue gas to a flue gas purification system, a first pneumatic stop valve is arranged on the first air pipe, and a second pneumatic stop valve is arranged on the second air pipe.
Furthermore, the first air pipe is provided with a plurality of branch air pipes which are respectively communicated with the first air pipe, the branch air pipes are distributed along the axial direction of the smelting furnace, and the branch air pipes are arranged on two sides of the smelting furnace.
Furthermore, the pipe diameter of the ring set main pipe is gradually increased from one end connected with the ring set branch pipe to one end connected with the ring set fan.
Further, the pipe diameter of the ring set branch pipe is smaller than the minimum pipe diameter of the ring set main pipe.
Furthermore, a row of secondary air ports are respectively arranged on two sides of the smelting furnace, the secondary air ports are located on the melt in the smelting furnace, and the first air pipe is communicated with the secondary air ports.
Furthermore, a slag discharge port is formed in the axial end of the smelting furnace, and the chute is connected with the slag discharge port of the smelting furnace.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of an annular air collecting system of a smelting furnace according to an embodiment of the present invention;
FIG. 2 is a plan view of an annular air collecting system of a smelting furnace according to an embodiment of the present invention;
10. a smelting furnace; 20. slag ladle; 30. a ring set main pipe; 40. a ring air collecting fan; 50. a first air duct; 51. a first pneumatic shut-off valve; 52. a branch air duct; 60. a chute; 70. a first ring smoke collecting hood; 80. a second ring smoke collecting hood; 90. a ring set branch pipe; 100. a second air duct; 101. a second pneumatic shut-off valve.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1, an embodiment of the present invention provides a smelting furnace ring air collecting system, including a smelting furnace 10, a plurality of slag ladles 20, a ring main pipe 30, a ring fan collector 40, and a first air pipe 50, each slag ladle 20 is communicated with an axial end of the smelting furnace 10 through a chute 60, the chute 60 is provided with a first ring hood 70 above a connecting end of the smelting furnace 10, the outside of the slag ladle 20 is wrapped by a second ring hood 80, the first ring hood 70 and the second ring hood 80 are respectively communicated with the ring main pipe 30 through a ring branch pipe 90, a port of the ring main pipe 30 is connected with an air suction port of the ring fan collector 40, and an axial end of the smelting furnace 10 is connected with an air outlet of the ring fan collector 40 through the first air pipe 50.
The utility model discloses a working process does: referring to fig. 2, arrows indicate the trend of the ring-shaped smoke collecting, the smelting slag generated in the smelting furnace 10 is conveyed into the slag ladle 20 through the chute 60 and collected, during the operation of the smelting slag, the ring collector fan 40 is started to generate negative pressure, the ring-shaped smoke collecting overflowing from the connecting end of the chute 60 and the smelting furnace 10 is collected by the first ring collector hood 70 arranged above, the rear ring-shaped smoke collecting is sucked into the ring-shaped branch pipe 90, passes through the ring-shaped main pipe 30 and is discharged from the first air duct 50 into the smelting furnace 10, the part of the ring-shaped smoke collecting can be used as secondary air for the side-blown smelting furnace 10, the ring-shaped smoke collecting enters into the smelting furnace 10 to combust the monomer sulfur and carbon monoxide in the smoke, the second ring collector hood 80 covers the slag ladle 20, the ring-shaped smoke collecting overflowing from the smelting slag in the slag ladle 20 is collected by the second ring collector hood 80, the ring collector fan 40 is started to generate negative pressure to suck the ring-shaped smoke collecting into the ring collector hood 90 from the second ring collector, and then enters the ring header 30 and is discharged from the first tuyere pipe 50 to enter the smelting furnace 10 for further use.
From the above description, the beneficial effects of the present invention are: the utility model discloses set up first ring collection petticoat pipe 70 and the ring collection petticoat pipe 80 and collect the ring collection flue gas that produces among the slag removal process, the ring collection flue gas that the junction department of chute 60 and smelting furnace 10 spills over is collected by the first ring collection petticoat pipe 70 that sets up in the top, the ring collection flue gas of the smelting sediment in the cinder ladle 20 spills over and is collected by second ring collection petticoat pipe 80, ring collection fan 40 collects the ring collection flue gas and uses as the overgrate air in rethread first tuber pipe 50 enters into smelting furnace 10, avoided ring collection flue gas loss to cause the pollution in the air, and saved and add and smelt secondary air fan, alleviate follow-up desulfurization system load simultaneously, the ring collection flue gas of sending into smelting furnace 10 can burn monomer sulphur and carbon monoxide in the smelting furnace 10 flue gas, the running cost is reduced.
The embodiment of the present invention provides that the first air duct 50 is close to the position of the ring air collector 40 communicates with a second air duct 100, the first air duct 50 is provided with a first pneumatic cut-off valve 51, and the second air duct 100 is provided with a second pneumatic cut-off valve 101. When the smelting furnace 10 cannot consume the ring-shaped collected flue gas, the first pneumatic stop valve 51 is closed, the second pneumatic stop valve 101 is opened, and the ring-shaped collected flue gas is conveyed to the flue gas purification system through the second air pipe 100.
In the embodiment of the present invention, the first air duct 50 is provided with a plurality of branch air ducts 52, and the branch air ducts 52 are respectively communicated with the first air duct 50, and the branch air ducts 52 are axially distributed along the smelting furnace 10, and the branch air ducts 52 are arranged in a row at two sides of the smelting furnace 10.
In order to fully combust the sulfur monomer and the carbon monoxide in the flue gas in the smelting furnace 10, a plurality of branch air pipes 52 are arranged at the end part of the first air pipe 50, and the branch air pipes 52 convey the circular smoke collecting gas from two sides of the smelting furnace 10 to the inside of the smelting furnace 10, so that the circular smoke collecting gas is favorably fully contacted with the sulfur monomer and the carbon monoxide in the flue gas in the smelting furnace 10, and the full combustion is realized.
In the embodiment of the present invention, the pipe diameter of the ring set main pipe 30 is self-connected to the one end of the ring set branch pipe 90 is gradually increased to the connection end of the ring set fan 40. The pipe diameter of the ring header branch pipe 90 is smaller than the minimum pipe diameter of the ring header main pipe 30.
The utility model discloses an in the embodiment, the chute is used for carrying the smelting sediment, in order to avoid the smelting sediment to collect flue gas loss in the transportation process of chute in the air, closes the chute lid on the chute, avoids the ring to collect flue gas and escapes.
The embodiment of the utility model provides an in, the both sides of smelting furnace 10 tip set up primary air mouth and overgrate air mouth respectively, the overgrate air mouth is located the top in primary air mouth, first tuber pipe 50 with the overgrate air mouth intercommunication.
A primary air port and a secondary air port are respectively arranged on two sides of the end part of the smelting furnace 10, the secondary air port is arranged above the primary air port, and oxygen-enriched air with the concentration of 70-85% is blown into the primary air port by using an oxygen lance, so that the molten pool is vigorously stirred. The first air pipe 50 is connected with a secondary air port of the smelting furnace, the ring-shaped collected flue gas is blown into the smelting furnace 10 through the secondary air port, and the ring-shaped collected flue gas can be fully combusted with the monomer sulfur and the carbon monoxide in the flue gas in the smelting furnace 10.
In the embodiment of the present invention, the axial end of the melting furnace 10 is provided with a slag discharge port, and the chute 60 is connected to the slag discharge port of the melting furnace 10. The smelting slag is discharged from a slag discharge port of the smelting furnace 10 and then is conveyed to the slag ladle 20 through the chute 60, and in the slag discharge process of the smelting furnace 10, the ring-collecting flue gas escaping from the connecting end of the chute 60 and the smelting furnace 10 is collected by the first ring-collecting cover.
To sum up, the utility model provides a smelting furnace ring collection wind system sets up first ring collection petticoat pipe 70 and second ring collection petticoat pipe 80 and collects the ring collection flue gas that produces among the slag discharging process, the ring collection flue gas that chute 60 and smelting furnace 10 row cinder notch connecting end department overflowed is collected by the first ring collection petticoat pipe 70 that sets up the top, the ring collection flue gas that the smelting sediment in the cinder ladle 20 overflowed is collected by the second ring collection petticoat pipe 80 that sets up the top, ring collection fan 40 uses as the overgrate air in sending into smelting furnace 10 in the rethread first tuber pipe 50, avoided ring collection flue gas loss to cause the pollution in the air, and saved and add and smelted the overfire air fan, alleviate follow-up desulfurization system load simultaneously, the ring collection flue gas of sending into the smelting furnace can burn monomer sulphur and carbon monoxide in the smelting furnace flue gas, and the running cost is reduced.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. The utility model provides a smelting furnace ring collection wind system, its characterized in that includes smelting furnace, a plurality of cinder ladles, ring collection person in charge, ring collection fan and first tuber pipe, each the cinder ladle through a chute with the axial end intercommunication of smelting furnace, the chute with the link top of smelting furnace is equipped with first ring collection petticoat pipe, the outside parcel second ring collection petticoat pipe of cinder ladle, first ring collection petticoat pipe with second ring collection petticoat pipe respectively through ring collection branch pipe with the intercommunication is responsible for to the ring collection, the ring collection person in charge's a port with the inlet scoop of ring collection fan is connected, the axial end of smelting furnace passes through first tuber pipe with the air outlet of ring collection fan is connected.
2. The smelting furnace ring air collecting system according to claim 1, wherein a position of the first air duct near the ring air collecting fan is communicated with a second air duct, the first air duct is provided with a first pneumatic cut-off valve, and the second air duct is provided with a second pneumatic cut-off valve.
3. The smelting furnace ring air collecting system according to claim 1, wherein the first air duct is provided with a plurality of branch air ducts, the plurality of branch air ducts are respectively communicated with the first air duct, the branch air ducts are distributed in an axial direction of the smelting furnace, and the plurality of branch air ducts are provided at both sides of the smelting furnace.
4. The smelting furnace ring air collecting system according to claim 1, wherein a pipe diameter of the ring main pipe gradually increases from an end connected to the ring branch pipe to an end connected to the ring collector fan.
5. The smelting furnace ring wind collecting system according to claim 4, wherein the pipe diameter of the ring collector branch pipes is smaller than the smallest pipe diameter of the ring collector main pipe.
6. The smelting furnace ring air collecting system according to claim 1, wherein a row of secondary air ports are respectively provided on both sides of the smelting furnace, the secondary air ports are located above the melt in the smelting furnace, and the first air duct is communicated with the secondary air ports.
7. The smelting furnace ring air collecting system according to claim 1, wherein an axial end of the smelting furnace is provided with a slag discharge port, and the chute is connected with the slag discharge port of the smelting furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922424719.9U CN211782812U (en) | 2019-12-27 | 2019-12-27 | Smelting furnace ring air collecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922424719.9U CN211782812U (en) | 2019-12-27 | 2019-12-27 | Smelting furnace ring air collecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211782812U true CN211782812U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922424719.9U Active CN211782812U (en) | 2019-12-27 | 2019-12-27 | Smelting furnace ring air collecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211782812U (en) |
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2019
- 2019-12-27 CN CN201922424719.9U patent/CN211782812U/en active Active
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