CN211373266U - Slag slow cooling system is smelted to copper - Google Patents
Slag slow cooling system is smelted to copper Download PDFInfo
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- CN211373266U CN211373266U CN202020045543.6U CN202020045543U CN211373266U CN 211373266 U CN211373266 U CN 211373266U CN 202020045543 U CN202020045543 U CN 202020045543U CN 211373266 U CN211373266 U CN 211373266U
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Abstract
The utility model belongs to the technical field of metallurgical sediment is handled, specifically disclose a copper smelting slag slow cooling system. The slow cooling system comprises a slag slow cooling field, a gantry crane and a water spraying door machine, wherein the gantry crane and the water spraying door machine can move along the length direction of the slag slow cooling field; the water spraying door machine is provided with a water spraying beam and a spraying pump, and the circulating water cooling system supplies water to the spraying nozzles through the process water channel, the spraying pump, the spraying main pipe and the spraying branch pipe. The slow cooling system reduces the floor area of slow cooling of the slag through the combination of the gantry crane, the water spraying door machine and the circulating water cooling system, and the slow cooling efficiency of the slag is high, the effect is good, and the energy consumption is low.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a metallurgical sediment technical field, in particular to copper smelting slag slow cooling system.
[ background of the invention ]
A large amount of furnace slag can be generated in copper pyrometallurgy, the copper content of the copper slag is generally 2% -5%, if the furnace slag can not be reasonably used, not only can the environment be polluted, but also the waste of copper resources is caused, therefore, the furnace slag is recycled, and the method has great significance for saving resources and protecting the environment.
At present, the recovery of copper in copper smelting slag by adopting the processes of slow cooling, crushing, grinding and floating and dehydration is a trend. The copper smelting furnace slag slow cooling mode widely applied in actual production at present is fixed spraying, namely a slag holding vehicle is adopted to place a hot slag bag in a slow cooling area for slow cooling, a fixed spraying water pipe is arranged in the slow cooling area for spraying the slag after slow cooling, so that the slag holding vehicle performs ladle turning operation on the slag after cooling; part of the spray water flows back to the water collecting pool through the ground and the trench, and the reuse water is conveyed to each spray point again through a pipeline by a pump.
The slow cooling method has the following problems: (1) a slag ladle car channel needs to be arranged in the slow cooling field, and the required field area is large; (2) the water supply pipeline is complicated to lay, and in addition, the inside of the pipeline is easy to scale, the water quantity in the middle and rear sections of the pipeline is often insufficient, so that the cooling effect is poor, the hardness of the slag is high, the integral cooling time is long, the turnover rate of a slag ladle is low, and safety accidents are easy to cause; (3) the frequent bag receiving, bag placing and bag turning of the slag ladle car has high energy consumption and maintenance cost, and directly causes high production cost of slow cooling, crushing and ore grinding of slag.
In view of the above problems, some prior arts have proposed corresponding solutions. For example, the chinese patent application CN 104630396a discloses an automatic control device for slow cooling of copper smelting slag, which controls a ladle car to move to an air cooling/water cooling device for corresponding cooling according to the temperature of the slag ladle, so that the automation degree is high, the labor cost can be reduced, and the operation safety of operators can be improved; on the basis of a copper smelting slag slow cooling automatic control device in Chinese invention patent application CN 104630396A, a copper smelting slag slow cooling automatic control device in Chinese utility model patent CN 208183045U, an infrared induction device is additionally arranged for cooling treatment, people do not need to contact, and personal safety of operators is further improved. Although the two technical schemes solve various problems of the fixed spraying slow cooling to a certain extent and effectively improve the automation degree of the slow cooling of the slag, for a copper metallurgy production enterprise, a large amount of slag is generated every day, the weight of a slag ladle reaches 75t, one slag ladle vehicle can only pull a plurality of slag ladles/one cooling tank can only load one slag ladle for cooling at one time, namely, the device of the Chinese patent application CN 104630396A and the Chinese utility model CN 208183U is used for cooling, the slag ladle vehicle can only cool a plurality of slag ladles at one time, and the cooling process needs to pull the slag ladles back and forth to run for cooling/needs to load the slag ladles into the cooling tank and then transport the slag ladles into a conveying channel for cooling and then take out, because the slag ladles have large weight, huge energy consumption can be generated in the cooling and transporting process, and the device can not be applied to slow cooling of large-batch slag ladles, namely, the device can not be effectively industrialized. In addition, the prior art also discloses corresponding circulating water cooling system in order to be applied to the cooling of slag, for example chinese utility model patent application CN 203741355U a can carry out the quick refrigerated circulating water cooling system of slag and chinese utility model patent CN 207811778U slowly cool automated control device of copper smelting slag, though these two schemes all have good cooling water circulation effect, do not effectively carry out organic combination with whole cinder ladle slowly cool system, do not give how to adopt this circulating cooling system effectively to use to the technological scheme of cinder ladle slowly cooling promptly.
[ Utility model ] content
In order to overcome the defects of the prior art, the utility model aims to provide a slow cooling system for copper smelting furnace slag. The utility model discloses a copper smelting slag slow cooling system has realized the high-efficient slow cooling operation of copper smelting slag through the effective combination of portable portal crane, portable watering door machine and circulating water cooling system, has effectively reduced slag slow cooling's area, and slag slow cooling is efficient, effectual, the energy consumption is low, and the industrialization degree is high, and the practicality is strong.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a copper smelting slag slow cooling system comprises a slag slow cooling field, a gantry crane and a water spraying door machine, wherein gantry crane rails and water spraying door machine rails are arranged on the outer sides of two long side edges of the slag slow cooling field, the gantry crane rails are positioned on the outer sides of the water spraying door machine rails, a process water channel is arranged on the ground between the gantry crane rails and the water spraying door machine rails, the gantry crane rails, the process water channel and the water spraying door machine rails are all arranged along the length direction of the slag slow cooling field, the gantry crane is erected above the slag slow cooling field through the gantry crane rails and can move along the gantry crane rails, and the water spraying door machine is erected above the slag slow cooling field through the water spraying door machine rails and can move along the water spraying door machine rails; the slag slow cooling field is sequentially divided into a water circulation area, a slag slow cooling area and a slag crushing area from left to right along the length direction of the slag slow cooling field, the water circulation area is provided with a circulating water cooling system, the circulating water cooling system supplies water for the process water channel, and slag ladle placing coils are uniformly arranged on the slag slow cooling area;
the watering gantry crane include with watering gantry crane track sliding connection's support removes the seat, the support is removed and is equipped with the watering crossbeam on the seat, the watering crossbeam is followed the width direction in slag slow cooling field sets up, it sprays the pump to be equipped with on the removal seat to support, the entry linkage that sprays the pump has the inlet tube, the free end of inlet tube extends to under the surface of water of technology ditch, the exit linkage that sprays the pump is responsible for, it extends to spray the person in charge the watering crossbeam upper surface and along the length direction of watering crossbeam is laid, it is located to spray the person in charge the pipeline section vertical connection of watering crossbeam upper surface has the branch pipe that sprays, the end that sprays the branch pipe extends the upper surface of watering crossbeam is connected with spray header, spray header is located the cinder ladle is put directly over the coil.
Further, the circulating water cooling system comprises a process return water collecting tank, a hot water tank, a water cooling device, a cold water tank and an overflow tank which are sequentially connected, water on the slag slow cooling area flows back to the process return water collecting tank through a water collecting channel, the overflow tank is connected with the process water channel, and the cold water tank is further connected with a water adding pipe.
Furthermore, the width of the process canal is 0.5-0.8m, the depth is 1.0-2.0m, and the length is not less than the length of the slag slow cooling area, the opening cover of the process canal is provided with a protective cover plate, the protective cover plate is provided with a strip-shaped through hole capable of accommodating the water inlet pipe, the strip-shaped through hole is arranged along the length direction of the process canal, and the length is not less than the length of the process canal and is equal to the length of the process canal.
Furthermore, the number of the sprinkling cross beams is at least one.
Furthermore, the height difference between the spray nozzle and the top of the slag ladle is 0.3-0.6m, and the spray nozzle is an atomizing nozzle.
Because used the technical scheme of the utility model, following beneficial effect has:
1. the utility model discloses a portable portal crane, portable watering door machine and circulating water cooling system's effective combination has realized the high-efficient slow cooling operation of copper smelting slag, has solved fixed spraying slag slow cooling system and has had that the investment is big, the pipeline is long, the pipeline end sprays the poor problem that leads to the slag slow cooling effect poor, and need not to set up the cinder ladle car passageway in the slag slow cooling field again, has saved 60% place than traditional slow cooling mode, has effectively reduced slow cooling's area. In addition, a large amount of slag ladles can be slowly cooled at one time, and the slow cooling efficiency of the slag ladles is high.
2. The utility model discloses an energy-conserving effect of slow cooling system is showing. The utility model adopts the movable water spraying door machine to spray, and has less pressure loss of water pipelines, small power of the required spraying pump and low energy consumption because of less water supply pipelines and spraying pipelines; meanwhile, the sum of the energy consumption of the gantry crane and the water spraying door machine is lower than the energy consumption of the ladle receiving, the ladle placing and the ladle turning of the tank-holding car, and is also obviously lower than the energy consumption of the slag ladle car for back-and-forth transportation cooling and the slag ladle transportation through the conveying channel. And the movable water spraying door machine has large spraying water amount, better slag cooling effect and low hardness of the cooled slag, and is easy for subsequent crushing and ore grinding, thereby effectively reducing the production cost of the copper recovery process in the whole slag. In addition, spray nozzle adopts atomizer for spray water has covered the top surface of whole sediment package, realizes gradually cooling to the inside process of sediment from the sediment surface, has avoided traditional water column type to spray the risk of puncturing and solidifying the slag blanket.
3. The utility model discloses a slow cooling system security benefit is good. Because of the adoption the utility model discloses slow cooling system carries out refrigerated sediment package cooling effect good, can not appear the condition of pressing from both sides miscellaneous hot sediment in the cold sediment in follow-up package in-process that turns over to effectively avoided hot sediment to meet the phenomenon of water explosion, effectively promoted the security of production.
4. The utility model discloses slow cooling system is because of equipment is simple, area is little, the pipeline is few, therefore investment cost and daily maintenance cost are low.
[ description of the drawings ]
Fig. 1 is a schematic structural view of the slow cooling system of the present invention.
Fig. 2 is a schematic structural view of the sprinkler door machine of fig. 1.
Fig. 3 is a top view of fig. 1 with the gantry crane and the sprinkler door removed.
The main component symbols are described below.
In the figure: 1-a slag slow cooling field, 11-a water circulation area, 111-a process return water collecting pool, 112-a hot water pool, 113-a water cooling device, 114-a cold water pool, 115-an overflow pool, 12-a slag slow cooling area, 121-a slag ladle placing coil, 13-a slag crushing area, 2-a gantry crane, 3-a sprinkling gantry crane, 31-an underframe, 32-a support column, 33-a connecting beam, 34-a sprinkling cross beam, 35-a sprinkling pump, 36-a water inlet pipe, 37-a sprinkling main pipe, 38-a sprinkling branch pipe, 39-a sprinkling nozzle, 4-a sprinkling gantry crane rail, 5-a gantry crane rail, 6-a process water channel and 61-a protective cover plate.
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 3, in the embodiment of a preferred embodiment of the utility model, a copper smelting slag slow cooling system, including slag slow cooling field 1, portal crane 2 and watering door machine 3, portal crane 2 is used for carrying out the accent package of cinder ladle and turns over a packet operation, watering door machine 3 is used for removing and carries out the cooling operation that sprays to the cinder ladle, the number of portal crane 2 with watering door machine 3's number carries out nimble regulation according to the slow cooling cinder ladle volume of reality, when the cinder ladle volume of slow cooling is big promptly, can move simultaneously many portal crane 2 with many watering door machine 3 to improve cinder ladle slow cooling efficiency. The outside of 1 both long sides of slag slow cooling field is equipped with portal crane track 5 and watering door machine track 4, portal crane track 5 is located watering door machine track 4's the outside, portal crane track 5 with watering door machine track 4 all follows the length direction setting of slag slow cooling field 1, portal crane 2 passes through portal crane track 5 erects in 1 top of slag slow cooling field can along portal crane track 5 removes to can control according to actual need portal crane 2 carries out falling the package of cinder ladle and turning over the package operation to suitable position, watering door machine 3 passes through watering door machine track 4 erects in 1 top of slag slow cooling field and can along watering door machine track 4 removes, thereby can be as required remote control watering door machine 3 removes the position that sprays to needs and sprays.
The gantry crane 2 of the present embodiment is customized according to the specification of the slag slow cooling field 1 and manufactured by taiyuan heavy industry limited company, and the structure thereof is substantially the same as that of the existing gantry crane, and the specific structure thereof will not be described in detail herein for saving the text.
The slag slow cooling field 1 is sequentially divided into a water circulation area 11, a slag slow cooling area 12 and a slag crushing area 13 from left to right along the length direction of the slag slow cooling field, the water circulation area 1 is provided with a circulating water cooling system, the circulating water cooling system is used for supplying water for the water spraying door machine 3 to perform slag ladle spraying cooling operation, the circulating water cooling system comprises a process return water collecting pool 111, a hot water pool 112, a water cooling device 113, a cold water pool 114 and an overflow pool 115 which are sequentially connected, and the slag slow cooling can evaporate a large amount of water, so that the cold water pool 114 is also connected with a water adding pipe (not marked in the drawing) for adding fresh water and plant area reuse water; the size of the slag slow cooling area 12 is confirmed according to the slag ladle volume of specific production, and its subaerial portrayal mark has the slag ladle to put coil 121, the slag ladle is put coil 121 and is followed the one row of width direction of slag slow cooling area 12 sets up, the slag ladle is put coil 121 and is used for fixing a position the slag ladle and place, one promptly the slag ladle is put coil 121 and is used for placing a slag ladle, thereby does benefit to 3 batch of watering door machines carry out the slag ladle and spray cooling operation, and then improve the slag ladle and spray cooling efficiency.
With continued reference to fig. 2, the door sprinkler 3 includes a supporting and moving seat, the supporting and moving seat includes a bottom frame 31 slidably connected to the door sprinkler track 4, supporting columns 32 vertically connected to four corners of the bottom frame 31, and the supporting columns are located on the same sideThe top ends of the two supporting columns 32 are connected through a connecting beam 33, namely the connecting beam 33 is parallel to the length direction of the slag slow cooling field 1, a sprinkling cross beam 34 is connected between the two aligned ends of the two connecting beams 33, and the sprinkling cross beam 34 is parallel to the width direction of the slag slow cooling field 1; a spray pump 35 is arranged on the bottom frame 31, and the spray pump 35 sprays 3-5m of each slag ladle in a single row3The shape selection is carried out in the hour, the entry linkage of the spray pump 35 has the inlet tube 36, the exit linkage of the spray pump 35 has two spray to be responsible for 37 that are parallel to each other, two spray to be responsible for 37 extend to the watering crossbeam 34 upper surface and lay along the length direction of the watering crossbeam 34 upper surface, two spray to be responsible for 37 lie in the equal distance vertical connection of both sides limit that the pipeline section of watering crossbeam 34 upper surface is relative has spray branch 38, the end of spray branch 38 extends the upper surface of watering crossbeam 34 and is connected with spray header 39, spray header 39 is the atomizer, each row the quantity of spray header 39 equals with each row the quantity of coil 121 is put to the cinder ladle, spray header 39 lie in directly over the coil 121 is put to the cinder ladle and the difference in height at cinder ladle top is 0.3-0.6m, namely, one spray nozzle 39 corresponds to one slag ladle placing coil 121 (i.e., corresponds to one slag ladle).
A process water channel 6 is arranged on the ground between the gantry crane track 5 and the water spraying door machine track 4 on one side, the width of the process water channel 6 is 0.5-0.8m, the depth is 1.0-2.0m, and the length is not less than the length of the slag slow cooling area 12, a protective cover plate 61 is arranged on an opening cover of the process water channel 6 to avoid the phenomenon that an operator carelessly falls into the process water channel due to the fact that the opening of the process water channel 6 is too wide, a long strip-shaped through hole (not marked in the figure) capable of just accommodating the water inlet pipe is arranged on the protective cover plate 61, namely the free end of the water inlet pipe 36 is inserted under the water surface of the process water channel 6 through the long strip-shaped through hole which is arranged along the length direction of the process water channel 6 and has the length at least equal to the length of the process water channel 6, when the water spraying door machine 3 moves, the water inlet pipe 36 can move along the strip-shaped through hole synchronously, so that the water inlet pipe 36 is always communicated with the process water channel 6, and the water requirement of the spraying main pipe 37 is further ensured.
When the slow cooling system works, the spray water overflowing from the top of the slag ladle flows back to the process return water collecting tank 111 through the water collecting channel on the slag slow cooling field 1, then flows to the hot water tank 112 from the process return water collecting tank 111, is cooled by the cooling device 113 and then is conveyed to the cold water tank 114, the water in the cold water tank 114 flows to the overflow tank 115, the water in the overflow tank 115 flows to the process water channel 6, the spray pump 35 pumps the water from the process water channel 6 to the spray main pipe 37 through the water inlet pipe 36, and the water is sprayed out from the spray nozzle 38, so that the spraying can be started. Form a complete water circulation closed circuit through above circulation, promoted the convenience of watering door machine 3 water and make full use of the water resource.
In another embodiment of the present invention, the number of the water spraying beams 34 may be one, three, four, etc., and the specific number may be determined according to actual production.
In another embodiment of the present invention, the outlet of one spraying pump 35 may be correspondingly connected to one spraying main pipe 37 or a plurality of spraying main pipes 37, that is, the number of the connected spraying main pipes 37 may be adjusted according to actual production needs; if the spray pump 35 is connected with a plurality of spray main pipes 37, namely, a valve is arranged between the spray pump 35 and the plurality of spray main pipes 37, and then the valve is rotated to be switched according to the water passing requirement.
The method for carrying out slag ladle slow cooling by adopting the slow cooling system comprises the following steps:
(1) the hot slag ladle generated by the smelting furnace is conveyed to the slag slow cooling area 12 by a slag ladle vehicle;
(2) operating the gantry crane 2 to arrange the hot slag ladles row by row and place the hot slag ladles on the slag ladle placing coil 121 of the slag slow cooling area 12, and starting to calculate the slow cooling time of the slag ladles after the last hot slag ladle is placed, wherein the whole slow cooling time is 5-24 h;
(3) after the slow cooling time of the slag ladle is over, remotely controlling the water spraying door machine 3 to move to an area where the slag ladle is placed and enabling the four rows of spraying nozzles 39 to be located right above the first four rows of slag ladles respectively, starting the spraying pump 35 to start spraying operation, remotely controlling the water spraying door machine 3 to move to the four rows of spraying nozzles 39 to be located right above the next four rows of slag ladles after each slag ladle is sprayed for 10-20min, starting the spraying operation, and repeating the steps, when the water spraying door machine 3 moves to the last four slag ladles and finishes spraying, returning to the first four rows of slag ladles for spraying, and spraying and cooling for 40-60h in each slag ladle; preferably, each sprinkling gate machine 3 is responsible for spraying 16 rows of slag ladles, namely, each row of slag ladles are sprayed again after the interval of 40-80min, and the hardness of slag obtained by cooling at the time interval is lowest;
(4) and after the slag ladle is sprayed and cooled, operating the gantry crane 2 to turn the slag ladle to the slag crushing area 13, and finishing slow cooling operation of the slag ladle.
To sum up, the utility model discloses a copper smelting slag slow cooling system has realized the high-efficient slow cooling operation of copper smelting slag through the effective combination of portable portal crane, portable watering door machine and circulating water cooling system, has effectively reduced slag slow cooling's area, and slag slow cooling is efficient, effectual, the energy consumption is low, and the industrialization degree is high, and the practicality is strong.
Claims (5)
1. A copper smelting slag slow cooling system is characterized in that: the device comprises a slag slow cooling field, a gantry crane and a water spraying door machine, wherein gantry crane rails and water spraying door machine rails are arranged on the outer sides of two long side edges of the slag slow cooling field, the gantry crane rails are positioned on the outer sides of the water spraying door machine rails, a process water channel is arranged on the ground between the gantry crane rails and the water spraying door machine rails, the gantry crane rails, the process water channel and the water spraying door machine rails are all arranged along the length direction of the slag slow cooling field, the gantry crane is erected above the slag slow cooling field through the gantry crane rails and can move along the gantry crane rails, and the water spraying door machine is erected above the slag slow cooling field through the water spraying door machine rails and can move along the water spraying door machine rails; the slag slow cooling field is sequentially divided into a water circulation area, a slag slow cooling area and a slag crushing area from left to right along the length direction of the slag slow cooling field, the water circulation area is provided with a circulating water cooling system, the circulating water cooling system supplies water for the process water channel, and slag ladle placing coils are uniformly arranged on the slag slow cooling area;
the watering gantry crane include with watering gantry crane track sliding connection's support removes the seat, the support is removed and is equipped with the watering crossbeam on the seat, the watering crossbeam is followed the width direction in slag slow cooling field sets up, it sprays the pump to be equipped with on the removal seat to support, the entry linkage that sprays the pump has the inlet tube, the free end of inlet tube extends to under the surface of water of technology ditch, the exit linkage that sprays the pump is responsible for, it extends to spray the person in charge the watering crossbeam upper surface and along the length direction of watering crossbeam is laid, it is located to spray the person in charge the pipeline section vertical connection of watering crossbeam upper surface has the branch pipe that sprays, the end that sprays the branch pipe extends the upper surface of watering crossbeam is connected with spray header, spray header is located the cinder ladle is put directly over the coil.
2. The copper smelting slag slow cooling system according to claim 1, characterized in that: the circulating water cooling system comprises a process return water collecting tank, a hot water tank, a water cooling device, a cold water tank and an overflow tank which are sequentially connected, water on the slag slow cooling area flows back to the process return water collecting tank through a water collecting channel, the overflow tank is connected with a process water channel, and the cold water tank is further connected with a water feeding pipe.
3. The copper smelting slag slow cooling system according to claim 1, characterized in that: the width of the process water channel is 0.5-0.8m, the depth of the process water channel is 1.0-2.0m, and the length of the process water channel is not less than the length of the slag slow cooling area, an opening cover of the process water channel is provided with a protective cover plate, a long strip-shaped through hole capable of containing the water inlet pipe is formed in the protective cover plate, and the long strip-shaped through hole is arranged along the length direction of the process water channel.
4. The copper smelting slag slow cooling system according to claim 1, characterized in that: the number of the water spraying cross beams is at least one.
5. The copper smelting slag slow cooling system according to claim 1, characterized in that: the height difference between the spray nozzle and the top of the slag ladle is 0.3-0.6m, and the spray nozzle is an atomization nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045543.6U CN211373266U (en) | 2020-01-10 | 2020-01-10 | Slag slow cooling system is smelted to copper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045543.6U CN211373266U (en) | 2020-01-10 | 2020-01-10 | Slag slow cooling system is smelted to copper |
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| Publication Number | Publication Date |
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| CN211373266U true CN211373266U (en) | 2020-08-28 |
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| CN202020045543.6U Active CN211373266U (en) | 2020-01-10 | 2020-01-10 | Slag slow cooling system is smelted to copper |
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