CN218821709U - Primary neutralization facility of reclaimed copper smelting furnace exhaust flue gas - Google Patents
Primary neutralization facility of reclaimed copper smelting furnace exhaust flue gas Download PDFInfo
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- CN218821709U CN218821709U CN202223039617.3U CN202223039617U CN218821709U CN 218821709 U CN218821709 U CN 218821709U CN 202223039617 U CN202223039617 U CN 202223039617U CN 218821709 U CN218821709 U CN 218821709U
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Abstract
The utility model discloses the secondary copper smelting furnace discharges flue gas elementary neutralization facility belongs to smelting facility field, the inlet tube of being connected with the inside immersible pump of filtering ponds has been installed to the left surface of neutralization jar, the outlet pipe of being connected with the inside filter screen of filtering ponds has been installed to the right flank of neutralization jar, the blast pipe of J type has been installed to the inside top of neutralization jar, discoid flow distribution disc has been installed in the export of blast pipe below, the pore outlet duct has been installed to the bottom of flow distribution disc, the entry and the exit linkage of neutralization jar right flank top centrifugal fan of blast pipe top, centrifugal fan's entry is passed through the intake pipe and is connected with the exhaust port of smelting furnace, the inlet tube height of neutralization jar, the low design of outlet pipe makes lime water can flow with the internal circulation of jar in, centrifugal fan impresses the flue gas through the blast pipe flow distribution disc, shunt for many pore outlet ducts through the flow distribution disc again, then carry out neutralization in the middle of the pore spout of lime water through pore outlet duct side.
Description
Technical Field
The utility model discloses the elementary neutralization facility of reclaimed copper smelting furnace emission flue gas belongs to the smelting facility field, and the flue gas that in particular to smelting furnace discharged carries out the facility of acid-base neutralization through lime wash.
Background
A flue gas primary neutralization facility, a device for neutralizing acidic substances contained in discharged flue gas by using lime water. The recycled copper is prepared by putting a waste circuit board, a waste copper wire, a refrigerator air conditioner waste pipeline and a waste copper fitting together for high-temperature smelting, wherein the waste circuit board contains a large amount of resin, the waste copper wire contains a small amount of plastic, the air conditioner refrigerator waste pipeline contains a small amount of polystyrene, and the waste copper fitting contains a small amount of oil stain, a large amount of smoke dust is generated during the high-temperature smelting, and the smoke dust is filtered to discharge more acidic substances, so that acid-base neutralization is required when the smoke dust is discharged into the atmosphere. The existing acid-base neutralization facilities all use a neutralization tank, and because the neutralization tank is low in cost and convenient to use, lime water does not need to be replaced midway. However, the upper part of the neutralization tank is not sealed, and an exhaust pipe extending into the neutralization tank does not discharge the split-flow pores, smoke discharged by the secondary copper smelting furnace simply and quickly passes through the lime water in the neutralization tank and then drifts into the air, smoke bubbles passing through the lime water have large and small sizes, the effect of fusing small smoke bubbles and the lime water is good, the lime water can adsorb most of acidic substances to effectively neutralize the discharged smoke, but the large smoke bubbles cannot contact with the lime water due to the center and cannot adsorb the acidic substances, the acidic substances in the smoke can only drift into the air along with the bubbles when leaving the lime water, and the air is polluted.
Disclosure of Invention
The utility model discloses the elementary neutralization facility of reclaimed copper smelting furnace emission flue gas has solved above-mentioned defect, provides the elementary neutralization facility of flue gas that a closed neutralization jar, circulating lime wash, shunting blast pipe pore discharged.
The technical proposal of the utility model is that the primary neutralization facility for the fume discharged by the secondary copper smelting furnace comprises a neutralization tank, three cylindrical supports are evenly and vertically arranged at the edge of the bottom of the neutralization tank, a water inlet pipe is arranged on the left side surface of the neutralization tank, a water outlet pipe is arranged on the right side surface of the neutralization tank, a chimney is arranged at the top, a blow-off pipe is arranged at the bottom, and a valve is arranged in the middle of the blow-off pipe, an exhaust pipe is arranged in the neutralization tank, a flow distribution disc is arranged below the exhaust pipe, a pore air outlet pipe is arranged below the flow distribution disc, a centrifugal fan is arranged above the right side surface of the neutralization tank, a high-speed motor is arranged in front of the centrifugal fan, a central shaft behind the high-speed motor is connected with a centrifugal fan inside the centrifugal fan, an air inlet pipe connected with the fume outlet of the smelting furnace is arranged above the air inlet behind the centrifugal fan, the utility model discloses a high-speed motor, including the well jar, the top of filter screen, filter screen and the exit linkage of outlet pipe have been installed to the below of having set up the higher authority of filtering ponds, the exit of immersible pump, immersible pump and the entry linkage of inlet tube to the next door of neutralization tank, the control box is installed on the switch board of assembly line, the front mounted of control box shift knob, internally mounted power, a contactor, no. two contactors, the power passes through the power cord respectively and is connected with shift knob, a contactor, no. two contactors, shift knob passes through the power cord respectively and is connected with a contactor, no. two contactors, a contactor passes through the power cord and is connected with high-speed motor, no. two contactors pass through the power cord and are connected with the immersible pump.
Furthermore, the neutralizing tank is hollow cylindrical, the top of the neutralizing tank is provided with a semicircular upper cover, the chimney arranged in the center of the upper cover is connected with the inlet of a secondary neutralizing facility, the bottom of the neutralizing tank is provided with a semicircular bottom plate, the sewage discharge pipe arranged in the center of the bottom plate is connected with the sedimentation tank, the water inlet in the center of the upper half of the left side surface of the neutralizing tank is connected with the inlet of the water inlet pipe, the water outlet in the middle of the right side surface of the neutralizing tank is connected with the inlet of the water outlet pipe, the diameter of the water inlet of the neutralizing tank is 1/5 of the diameter of the water outlet, and the position of the water inlet is 20-40cm higher than the water outlet.
Furthermore, the exhaust pipe is J-shaped, an air inlet at the upper part penetrates through the center of the upper half part of the right side surface of the neutralization tank to be connected with an outlet of the centrifugal fan, an air outlet at the lower part is connected with the upper surface of the hollow disc-shaped diverter disc, the mounting position of the diverter disc is 10-20cm lower than the inlet of the water outlet pipe, 3-8 fine-hole air outlet pipes are uniformly and vertically mounted at the bottom of the diverter disc, the height of each fine-hole air outlet pipe is more than 60cm, and more than 150 exhaust holes with the diameter of 2-3mm are uniformly arranged on the upper surface of the side surface of each fine-hole air outlet pipe.
Further, the internal volume of the filter tank is more than 10m 3 The crossbeam longitudinally and horizontally arranged above the filter screen is rectangular, the filter screen arranged below the crossbeam is cylindrical, small holes with the diameter of 2-3mm are uniformly arranged on the side surface of the filter screen and the upper surface of the bottom plate, and the internal volume of the filter screen is more than 1m 3 。
Has the advantages that: the primary neutralization facility for the fume discharged by the secondary copper smelting furnace adopts a hollow cylindrical neutralization tank, the left side surface of the neutralization tank is provided with a water inlet pipe connected with a submersible pump in a filtering tank, the right side surface of the neutralization tank is provided with a water outlet pipe connected with a filter screen in the filtering tank, a J-shaped exhaust pipe is arranged above the interior of the neutralization tank, a disc-shaped splitter disc is arranged at an outlet below the exhaust pipe, a fine hole air outlet pipe is arranged at the bottom of the splitter disc, an inlet above the exhaust pipe is connected with an outlet of a centrifugal fan above the right side surface of the neutralization tank, and an inlet of the centrifugal fan is connected with a smoke outlet of the smelting furnace through an air inlet pipe;
the primary neutralization facility for the discharged flue gas of the reclaimed copper smelting furnace adopts a fully-closed neutralization tank, the lime water can flow in the internal circulation of the neutralization tank due to the high water inlet pipe and the low water outlet pipe of the neutralization tank due to the design, a flow distribution disc installed below an exhaust pipe distributes the flue gas to a fine hole air outlet pipe, a centrifugal fan presses the flue gas into the flow distribution disc through the exhaust pipe, the flue gas is distributed to multiple fine hole air outlet pipes through the flow distribution disc, the lime water is sprayed through fine holes in the side surfaces of the fine hole air outlet pipes, and small bubbles sprayed in the lime water can be fully neutralized with the lime water.
Drawings
FIG. 1 is a schematic structural diagram of a primary neutralization facility of flue gas discharged from a secondary copper smelting furnace;
FIG. 2 is a schematic structural diagram of a water inlet pipe, a water outlet pipe, a filter tank, a submersible pump, a cross beam and a filter screen;
FIG. 3 is a schematic structural diagram of a high-speed motor, a submersible pump, a control box, a power supply, a switch button, a first contactor, a second contactor and a power line;
in the figure, 1, neutralizing tank; 2. a support; 3. a water inlet pipe; 4. a water outlet pipe; 5. a blow-off pipe; 6. a valve; 7. a chimney; 8. an exhaust pipe; 9. a diverter tray; 10. a fine-pore air outlet pipe; 11. a centrifugal fan; 12. a high-speed motor; 13. an air inlet pipe; 14. a filtration tank; 15. a submersible pump; 16. a cross beam; 17. filtering with a screen; 18. a control box; 19. a power source; 20. a switch button; 21. a first contactor; 22. a second contactor; 23. a power line.
Detailed Description
The shape and construction of the invention will now be described in detail with reference to the accompanying drawings and reference numerals:
referring to the attached drawings 1-3, the primary flue gas neutralizing facility of the secondary copper smelting furnace comprises a neutralizing tank 1, the neutralizing tank 1 is used for temporarily storing lime water, three cylindrical supports 2 are uniformly and vertically arranged on the edge of the bottom of the neutralizing tank 1, the supports 2 are used for supporting the neutralizing tank 1, a water inlet pipe 3 is arranged on the left side surface of the neutralizing tank 1, a water outlet pipe 4 is arranged on the right side surface of the neutralizing tank 1, a chimney 7 is arranged on the top of the neutralizing tank, a drain pipe 5 is arranged at the bottom of the neutralizing tank, a valve 6 is arranged in the middle of the drain pipe 5, the water inlet pipe 3 and the water outlet pipe 4 are used for conveying lime water into the neutralizing tank 1 and discharging the lime water, the chimney 7 is used for discharging flue gas in the neutralizing tank 1, and the drain pipe 5 is used for discharging sewage in the neutralizing tank 1, an exhaust pipe 8 is arranged in the neutralization tank 1, a diverter disc 9 is arranged below the exhaust pipe 8, a fine pore air outlet pipe 10 is arranged below the diverter disc 9, the exhaust pipe 8 is used for conveying the flue gas conveyed by a centrifugal fan 11 to the diverter disc 9, then the flue gas is diverted to the fine pore air outlet pipe 10 by the diverter disc 9, finally the flue gas is divided into a plurality of bubbles by the fine pore air outlet pipe 10 and is discharged into lime water, a centrifugal fan 11 is arranged above the right side surface of the neutralization tank 1, a high-speed motor 12 is arranged in front of the centrifugal fan 11, a central shaft behind the high-speed motor 12 is connected with a centrifugal fan inside the centrifugal fan 11, the centrifugal fan 11 is used for conveying the flue gas discharged by the smelting furnace into the exhaust pipe 8, an air inlet pipe 13 connected with a smoke outlet of the smelting furnace is arranged above an air inlet behind the centrifugal fan 11, a filter tank 14 is arranged beside the neutralization tank 1, a cross beam 16 is arranged above the filter tank 14, a cross beam 16 is arranged below the cross beam 16, a filter screen 17 is arranged below the filter screen 17, an outlet of the filter screen 17 is connected with an outlet of the water outlet 4, the filter tank 14 is used for temporarily storing lime water, the filter screen 17 is used for filtering smoke particles flowing into the water outlet pipe 4 in the neutralization tank 1, the submersible pump 15 is installed inside the filter tank 14, an outlet of the submersible pump 15 is connected with an inlet of the water inlet pipe 3, the submersible pump 15 is used for pumping the lime water in the filter tank 14 into the neutralization tank 1 for circulation and then flowing back into the filter tank 14 through the water outlet pipe 4, the control box 18 is installed on a power distribution cabinet of a production line, the switch button 20 is installed in front of the control box 18, the power supply 19, the first contactor 21 and the second contactor 22 are installed inside the control box 18, the power supply 19 is respectively connected with the switch button 20, the first contactor 21 and the second contactor 22 through power lines 23, the switch button 20 is respectively connected with the first contactor 21 and the second contactor 22 through power lines 23, the first contactor 21 is connected with the high-speed motor 12 through power lines 23, and the second contactor 22 is connected with the submersible pump 15 through power lines 23.
Referring to the attached figure 1, the neutralization tank 1 is hollow and cylindrical, the top of the neutralization tank is provided with a semicircular upper cover, a chimney 7 arranged in the center of the upper cover is connected with an inlet of a secondary neutralization facility, the bottom of the neutralization tank 1 is provided with a semicircular bottom plate, a sewage discharge pipe 5 arranged in the center of the bottom plate is connected with a sedimentation tank, a water inlet in the center of the upper half of the left side surface of the neutralization tank 1 is connected with an inlet of a water inlet pipe 3, a water outlet in the middle of the right side surface of the neutralization tank 1 is connected with an inlet of a water outlet pipe 4, the diameter of the water inlet of the neutralization tank 1 is 1/5 of the diameter of the water outlet, and the position of the water inlet is 20-40cm higher than the water outlet, wherein the shape and the structure of the neutralization tank 1 and the installation positions of the water inlet pipe 3, the water outlet pipe 4 and the sewage discharge pipe 5 are shown above.
Referring to the attached drawing 1, the exhaust pipe 8 is J-shaped, an air inlet at the upper part penetrates through the center of the upper half part of the right side surface of the neutralization tank 1 to be connected with an outlet of a centrifugal fan 11, an air outlet at the lower part is connected with the upper part of a hollow disc-shaped diverter disc 9, the mounting position of the diverter disc 9 is 10-20cm lower than the inlet of a water outlet pipe 4, 3-8 fine-hole air outlet pipes 10 are uniformly and vertically mounted at the bottom of the diverter disc 9, the height of each fine-hole air outlet pipe 10 is more than 60cm, more than 150 exhaust holes with the diameter of 2-3mm are uniformly arranged on the upper part of the side surface of each fine-hole air outlet pipe 10, and the structure, the shape and the mounting position of the exhaust pipe 8, the diverter disc 9 and the fine-hole air outlet pipes 10 are shown above.
Referring to FIG. 2, the internal volume of the filter tank 14 is greater than 10m 3 The cross beam 16 longitudinally and horizontally arranged above the filter screen is rectangular, the filter screen 17 arranged below the cross beam 16 is cylindrical, small holes with the diameter of 2-3mm are uniformly arranged on the side surface of the filter screen 17 and the upper surface of the bottom plate, and the internal volume of the filter screen 17 is more than 1m 3 The above is the structure and shape of the filtering tank 14, the cross beam 16 and the filter screen 17.
When the primary neutralization facility for the flue gas discharged by the secondary copper smelting furnace is used, after the smelting furnace is started, a worker turns on a power supply, a first contactor 21 and a second contactor 22 are turned on through a switch button 20, the submersible pump 15 quickly pumps the lime water in the filter tank 14 into the neutralization tank 1, the lime water flows back into the filter screen 17 through the water outlet pipe 4 after circulating in the neutralization tank 1, meanwhile, the high-speed motor 12 drives the centrifugal fan to rotate at a high speed to suck the flue gas discharged by the smelting furnace, the flue gas is pressurized and then pressed into the exhaust pipe 8, the exhaust pipe 8 sends the flue gas into the splitter plate 9, the splitter plate 9 splits the flue gas into a plurality of fine outlet pipes 10, the flue gas is sprayed into the lime water through the fine holes on the side face of the fine outlet pipes 10, small bubbles sprayed into the lime water can be well fused with the lime water to be sufficiently neutralized, and at the moment, rich particles in the lime water flowing back into the filter screen 17 are filtered by the filter screen 17.
Claims (4)
1. A primary neutralization facility for fume discharged by a secondary copper smelting furnace comprises a neutralization tank, and is characterized in that three cylindrical supports are uniformly and vertically arranged at the edge of the bottom of the neutralization tank, a water inlet pipe is arranged on the left side surface of the neutralization tank, a water outlet pipe is arranged on the right side surface of the neutralization tank, a chimney is arranged at the top of the neutralization tank, a drain pipe is arranged at the bottom of the neutralization tank, a valve is arranged in the middle of the drain pipe, an exhaust pipe is arranged in the neutralization tank, a flow distribution disc is arranged below the exhaust pipe, a pore air outlet pipe is arranged below the flow distribution disc, a centrifugal fan is arranged above the right side surface of the neutralization tank, a high-speed motor is arranged in front of the centrifugal fan, a central shaft behind the high-speed motor is connected with a centrifugal fan in the centrifugal fan, an air inlet pipe connected with a smoke outlet of the smelting furnace is arranged above an air inlet behind the centrifugal fan, a filter tank is arranged beside the neutralization tank, a beam is arranged on the filter tank, a filter screen is arranged below the beam, the upper part of the filter screen is connected with the outlet of the water outlet pipe, a submersible pump is arranged in the filter tank, the outlet of the submersible pump is connected with the inlet of the water inlet pipe, a control box is arranged on a power distribution cabinet of the production line, the front mounted of control box has switch button, internally mounted power, a contactor, no. two contactors, and the power is connected with switch button, a contactor, no. two contactors through the power cord respectively, and switch button is connected with a contactor, no. two contactors through the power cord respectively, and a contactor passes through the power cord and is connected with high-speed motor, and No. two contactors pass through the power cord and are connected with the immersible pump.
2. The primary neutralization facility of the fume discharged from the secondary copper smelting furnace according to claim 1, characterized in that the neutralization tank is hollow cylindrical, the top of the neutralization tank is provided with a semicircular upper cover, a chimney arranged in the center of the upper cover is connected with the inlet of the secondary neutralization facility, the bottom of the neutralization tank is provided with a semicircular bottom plate, a sewage discharge pipe arranged in the center of the bottom plate is connected with the sedimentation tank, the water inlet in the center of the upper half of the left side surface of the neutralization tank is connected with the inlet of the water inlet pipe, the water outlet in the middle of the right side surface of the neutralization tank is connected with the inlet of the water outlet pipe, the diameter of the water inlet of the neutralization tank is 1/5 of the diameter of the water outlet, and the position of the water inlet is 20-40cm higher than the water outlet.
3. The primary flue gas neutralizing facility as claimed in claim 1, wherein the exhaust pipe is J-shaped, the upper inlet port is connected to the outlet of the centrifugal fan through the center of the upper half of the right side of the neutralizing tank, the lower outlet port is connected to the upper surface of the hollow disc-shaped diverter plate, the diverter plate is installed at a position 10-20cm lower than the inlet of the outlet pipe, 3-8 fine-hole outlet pipes are uniformly and vertically installed at the bottom of the diverter plate, the height of each fine-hole outlet pipe is greater than 60cm, and more than 150 vent holes with a diameter of 2-3mm are uniformly arranged on the upper surface of the side surface of each fine-hole outlet pipe.
4. The primary neutralization plant for the fumes exiting from secondary copper smelting furnaces according to claim 1, characterized in that the internal volume of the filtering basin is greater than 10m 3 The crossbeam longitudinally and horizontally arranged above the filtering net is rectangular, the filtering net arranged below the crossbeam is cylindrical, small holes with the diameter of 2-3mm are uniformly arranged on the side surface of the filtering net and the upper surface of the bottom plate, and the internal volume of the filtering net is more than 1m 3 。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223039617.3U CN218821709U (en) | 2022-11-14 | 2022-11-14 | Primary neutralization facility of reclaimed copper smelting furnace exhaust flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223039617.3U CN218821709U (en) | 2022-11-14 | 2022-11-14 | Primary neutralization facility of reclaimed copper smelting furnace exhaust flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218821709U true CN218821709U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223039617.3U Active CN218821709U (en) | 2022-11-14 | 2022-11-14 | Primary neutralization facility of reclaimed copper smelting furnace exhaust flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218821709U (en) |
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2022
- 2022-11-14 CN CN202223039617.3U patent/CN218821709U/en active Active
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