CN113074551A

CN113074551A - Crude copper converting device

Info

Publication number: CN113074551A
Application number: CN202110302289.2A
Authority: CN
Inventors: 张琦; 熊振华; 周晓宇
Original assignee: Guixi Qiansheng Chemical Co ltd
Current assignee: Guixi Tongxing Technology Industry Co.,Ltd.
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-07-06
Anticipated expiration: 2041-03-22
Also published as: CN113074551B

Abstract

The invention relates to the field of blister copper converting, in particular to a blister copper converting device which comprises a fusing furnace, a feeding structure, a dust removing structure and a conveying structure, wherein the fusing furnace comprises a fixed box, the top of the fixed box is fixedly provided with a shell, an inner container is fixedly arranged inside the shell, a filter plate is fixedly arranged inside the fixed box, a combustion chamber and a slag collecting bin are arranged inside the fixed box, one side of the inner container is fixedly communicated with a discharge pipe, the top of the fusing furnace is fixedly connected with a connecting pipe, the dust removing structure comprises a water tank, a dust removing pipe is fixedly arranged on the top of the water tank, a protective box is fixedly arranged inside the water tank, and a water pump is arranged inside the protective box. The device has the advantages that the device can perform filtering and dust-falling effects on dust generated in the crude copper converting process, improves the cleanliness of removing the dust generated in the crude copper converting process, enables the crude copper converting process to be more environment-friendly, improves the convenience of filling copper raw materials into the liner, can fully stir the copper raw materials and the catalyst, and improves the uniformity of the copper raw materials and the catalyst entering the liner.

Description

Crude copper converting device

Technical Field

The invention relates to the field of crude copper converting, in particular to a crude copper converting device.

Background

The crude copper converting process includes spraying ground and dried copper matte, calcium lime, quartz, smoke dust and normal temperature gas-rich air into flash furnace reaction tower from copper matte nozzle, and forming high temperature fume of 1350-1500 deg.c inside the tower by means of the oxidation reaction heat and fuel burning heat of sulfide in copper matte to complete the metallurgical chemical reaction of converting material instantaneously to form crude copper, slag and fume containing SO 2. The process is characterized by continuous production of blister copper in a closed flash furnace, environmental protection, energy conservation and large production capacity, and is the most advanced blister copper production technology in the world at present.

The essence of flash furnace blister copper converting is to remove impurities in matte through oxidation reaction and produce blister copper products with desired grade, which requires that under the condition of different raw materials and different feeding amounts, the amount of oxygen required by the oxidation reaction is given properly; on the other hand, temperature control in the furnace is also extremely important, which affects not only production operation but also the life of the furnace body, and the length of the life of the furnace body affects not only overhaul cost of the furnace but also productivity. However, in the copper smelting production process, the physical and chemical processes in the furnace are very complicated, and the expected effect cannot be achieved by depending on manual experience under the condition of large-scale industrial production. Therefore, it is necessary to develop a model for mathematically describing the physicochemical process in the furnace for calculating the optimal process parameters under different process conditions, so as to achieve the purposes of stable product quality, reduced energy consumption and prolonged furnace life.

Chinese patent No. CN110923455A provides a crude copper converting process, which comprises mixing copper-containing waste and copper-containing waste treatment tailings, adding into a side-blown smelting incinerator, adding cosolvent, reducing agent, fuel, and blowing oxygen, and performing mixed converting at 1200-1250 ℃; then discharging converting tailings, blister copper and flue gas respectively, and discharging the flue gas after treatment. The limestone has low melting point, can promote the melting of quartz stone and iron oxide, and improves the fluidity. Iron, molybdenum, magnesium, calcium, silicon and the like in furnace burden are oxidized in an oxygen-rich environment to form oxides, the oxides are combined with quartz stone to form tailings, separation of non-copper metal elements from copper is realized, the iron oxide can reduce copper in copper oxide and copper sulfide, copper content is improved, semi-coke is used as fuel, fixed carbon is high, sufficient energy is provided by combustion, chemical activity is high, and the effect of a reducing agent can be achieved; the reduction rate of copper can be improved by using the copper powder and the copper powder in a matching way.

The existing crude copper converting method has the following problems:

1. the dust generated in the crude copper converting process is poor in filtering and dust-settling effects, so that the dust generated in the crude copper converting process is not completely removed;

2. the filling of the inner container with copper raw materials is relatively inconvenient;

3. the copper raw material and the catalyst are not sufficiently mixed, so that the uniformity of the copper raw material and the catalyst entering the inner container is poor.

Therefore, it is necessary to develop a blister copper converting apparatus to solve the above problems.

Disclosure of Invention

The invention aims to provide a blister copper converting device, which solves the problems that the effect of filtering and reducing dust generated during blister copper converting is poor, so that dust generated during blister copper converting is not completely removed, copper raw materials are filled in an inner container relatively inconveniently, the copper raw materials and a catalyst are not fully mixed, and the uniformity of the copper raw materials and the catalyst entering the inner container is poor.

The technical scheme of the invention is as follows: a blister copper converting device comprises a fusing furnace, a feeding structure, a dust removing structure and a conveying structure, wherein the fusing furnace comprises a fixed box, a shell is fixed at the top of the fixed box, an inner container is fixed inside the shell, a filter plate is fixed inside the fixed box, a combustion chamber and a slag collecting bin are arranged inside the fixed box, a discharging pipe is fixedly communicated with one side of the inner container, a connecting pipe is fixedly connected with the top of the fusing furnace, the dust removing structure comprises a water tank, a dust removing pipe is fixed at the top of the water tank, a protective box is fixed inside the water tank, a water pump is installed inside the protective box, a water conveying pipe is installed at the output end of the water pump, a water guide disc is fixed inside the dust removing pipe, the water guide disc is communicated with the water conveying pipe, an atomizing spray head is fixed at the bottom of the water guide disc, and a double-layer filter screen is installed inside the dust removing, the dust removal device is characterized in that a dustproof cloth bag is arranged inside the dust removal pipe, one side of the dust removal pipe is fixedly communicated with a fixed pipe, a suction fan is fixed inside the fixed pipe, and one end of a connecting pipe is fixedly communicated with one end of the fixed pipe.

Further, transport structure is including the conveyer pipe, the one end of conveyer pipe is fixed with driving motor, the auger is installed to driving motor's output, one side of conveyer pipe links firmly to be led to there is the output tube, and the one end of output tube and the fixed intercommunication of inner bag.

Further, feeding structure is including the feeder hopper, the inside of feeder hopper is fixed with the fixed plate, and the conveyer pipe is fixed to be run through in the inside of fixed plate.

Further, a servo motor is installed at the top of the fixing plate through a bolt, and a stirring frame is installed at the output end of the servo motor.

Further, one side of fixed case is provided with the mount, the hair-dryer is installed at the top of mount, the air-supply line is installed to the output of hair-dryer, and the one end and the combustion chamber intercommunication of air-supply line.

Furthermore, a support frame is installed at the top of the dust removal pipe through a bolt, and a rain blocking cap is fixed at the top of the support frame.

Furthermore, the input end of the water pump is fixedly provided with a water guide pipe, and one end of the water guide pipe is fixedly provided with a filter frame.

Furthermore, one side of the water tank is fixedly communicated with a drain pipe, and one side of the drain pipe is rotatably connected with a drain valve.

Further, the top of the water tank is fixedly communicated with a threaded pipe, and the outer part of the threaded pipe is in threaded connection with a threaded cover.

Furthermore, a protective door is installed on one side of the fixed box through a bolt, a slag collecting drawer is connected to the inner portion of the slag collecting bin in a sliding mode, and handles are fixed to one sides of the protective door and the slag collecting drawer.

The invention provides a crude copper converting device through improvement, compared with the prior art, the crude copper converting device has the following improvements and advantages:

(1) through setting up dust removal structure, the dust that produces when double-deck filter screen in the dust removal structure and dustproof strap can be to the blister copper converting filters, and the water pump can carry the water in the water tank on the water guide dish simultaneously, and the water guide dish can play the dust fall effect to the dust in spraying the dust removal pipe through the atomising head, improves the cleanliness factor that produces the dust and get rid of to the blister copper converting for the blister copper converting is environmental protection more.

(2) Through the transport structure and the feeding structure that set up, the last driving motor of transport structure drives the auger and rotates, and the auger rotates and to drive the inside that the inner bag was carried to the copper raw materials, improves the convenience of filling the copper raw materials to the inner bag, and the last servo motor of feeding structure can drive the stirring frame and rotate, and the stirring frame rotates and to fully stir copper raw materials and catalyst, improves the homogeneity when copper raw materials and catalyst enter into the inner bag.

(3) Through hair-dryer and the air-supply line that sets up, the hair-dryer passes through the air-supply line and carries the air in to the combustion chamber, not only improves the abundant of the burning of fuel, reduces dust and the harmful gas that the insufficient combustion of fuel produced moreover, improves the efficiency that melts the blister copper converting burning simultaneously.

(4) Through the suction fan that sets up, the suction fan can make the intraductal negative pressure phenomenon that produces of dust removal to can accelerate the air in the connecting tube and enter into the dust removal pipe, the improvement carries out quick filtration to the dust that produces when thick copper converting, improves the efficiency of detaching to the dust that produces.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the conveying structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the feed structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the melting furnace of the present invention;

fig. 5 is a schematic view of the internal structure of the dust removing structure of the present invention.

Description of reference numerals:

1 fusing furnace, 2 feeding structure, 3 dust removing structure, 4 conveying structure, 5 conveying pipe, 6 driving motor, 7 packing auger, 8 output pipe, 9 feed hopper, 10 fixing plate, 11 servo motor, 12 stirring frame, 13 shell, 14 inner container, 15 fixing box, 16 fixing frame, 17 blower, 18 air inlet pipe, 19 filter plate, 20 combustion chamber, 21 slag collecting bin, 22 discharging pipe, 23 connecting pipe, 24 water tank, 25 dust removing pipe, 26 supporting frame, 27 rain blocking cap, 28 protecting box, 29 water pump, 30 water guide pipe, 31 filter frame, 32 water discharging pipe, 33 water discharging valve, 34 water conveying pipe, 35 water guide disc, 36 spray head, 37 double-layer filter screen, 38 dustproof cloth belt, 39 threaded pipe, 40 threaded cover, 41 fixing pipe, 42 suction fan, 43 protecting door, 44 slag collecting drawer and 45 handle.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a blister copper converting device through improvement, as shown in figures 1-5, the blister copper converting device comprises a fusing furnace 1, a feeding structure 2, a dust removing structure 3 and a conveying structure 4, wherein the fusing furnace 1 comprises a fixed box 15, a shell 13 is fixed at the top of the fixed box 15, an inner container 14 is fixed inside the shell 13, a filter plate 19 is fixed inside the fixed box 15, the filter plate 19 can enable fuel slag completely combusted to fall into a slag collecting bin 21, a combustion chamber 20 and the slag collecting bin 21 are arranged inside the fixed box 15, a discharge pipe 22 is fixedly communicated with one side of the inner container 14, a connecting pipe 23 is fixedly connected with the top of the fusing furnace 1, the dust removing structure 3 comprises a water tank 24, a dust removing pipe 25 is fixed at the top of the water tank 24, a protective box 28 is fixed inside the water tank 24, a water pump 29 is arranged inside the protective box 28, the water pump 29 can convey water in the water tank 24 to a water guide plate 35, the output end of the water pump 29 is provided with a water delivery pipe 34, the inside of the dust removal pipe 25 is fixed with a water guide disc 35, the water guide disc 35 is sprayed into the dust removal pipe 25 through an atomizing head 36 and can play a role in dust reduction for dust, the cleanliness of removing the dust generated in the crude copper converting process is improved, the crude copper converting process is more environment-friendly, the water guide disc 35 is communicated with the water delivery pipe 34, the bottom of the water guide disc 35 is fixed with the atomizing head 36, the inside of the dust removal pipe 25 is provided with a double-layer filter screen 37, the inside of the dust removal pipe 25 is provided with a dustproof cloth bag 38, the double-layer filter screen 37 and the dustproof cloth bag 38 can filter the dust generated in the crude copper converting process, one side of the dust removal pipe 25 is fixedly communicated with a fixed pipe 41, the inside of the fixed pipe 41 is fixed with a suction fan 42, the suction fan 42 can generate a negative pressure phenomenon in the dust removal pipe 25, so that the air in the connecting pipe 23 can, the efficiency of removing the generated dust is improved, and one end of the connection pipe 23 is fixedly communicated with one end of the fixing pipe 41.

Further, transport structure 4 is including conveyer pipe 5, and the one end of conveyer pipe 5 is fixed with driving motor 6, and driving motor 6 drives auger 7 and rotates, and auger 7 is installed to driving motor 6's output, and auger 7 rotates and can drive the inside that the copper raw materials carried inner bag 14, improves the convenience to the 14 copper raw materials of filling of inner bag, and one side of conveyer pipe 5 links firmly to be led to there is output tube 8, and the one end of output tube 8 and the fixed intercommunication of inner bag 14.

Further, feed structure 2 is including feeder hopper 9, and feeder hopper 9 is convenient for conveyer pipe 5 to carry the copper raw materials, and the inside of feeder hopper 9 is fixed with fixed plate 10, and conveyer pipe 5 is fixed to run through in the inside of fixed plate 10.

Further, servo motor 11 is installed through the bolt in the top of fixed plate 10, and servo motor 11 can drive stirring frame 12 and rotate, and stirring frame 12 is installed to servo motor 11's output, and stirring frame 12 rotates and to fully stir copper raw materials and catalyst, improves the homogeneity when copper raw materials and catalyst enter into inner bag 14.

Further, one side of the fixed box 15 is provided with a fixed frame 16, the top of the fixed frame 16 is provided with a blower 17, the blower 17 conveys air into the combustion chamber 20 through an air inlet pipe 18, so that the combustion sufficiency of the fuel is improved, dust and harmful gas generated by insufficient combustion of the fuel are reduced, the efficiency of melting the blister copper in converting, burning and burning is improved, the air inlet pipe 18 is arranged at the output end of the blower 17, and one end of the air inlet pipe 18 is communicated with the combustion chamber 20.

Further, a support frame 26 is mounted on the top of the dust removing pipe 25 through a bolt, a rain shielding cap 27 is fixed on the top of the support frame 26, and the rain shielding cap 27 can prevent rainwater from entering the dust removing pipe 25.

Furthermore, a water guide pipe 30 is fixedly installed at the input end of the water pump 29, a filter frame 31 is fixedly installed at one end of the water guide pipe 30, a backflow hole is formed between the water tank 24 and the dust removal pipe 25, and the filter frame 31 can filter backflow flowing into the water tank 24 and entering the water pump 29.

Further, a drain pipe 32 is fixedly communicated with one side of the water tank 24, a drain valve 33 is rotatably connected with one side of the drain pipe 32, the drain valve 33 is opened, and the water in the water tank 24 can be drained through the drain pipe 32.

Further, a threaded pipe 39 is fixedly communicated with the top of the water tank 24, a threaded cover 40 is connected to the outside of the threaded pipe 39 through threads, and when the threaded cover 40 is opened, a worker can fill water into the water tank 24 through the threaded pipe 38.

Further, a protective door 43 is mounted on one side of the fixed box 15 through a bolt, a slag collecting drawer 44 is connected to the inside of the slag collecting bin 21 in a sliding mode, fuel slag is convenient to accept through the slag collecting drawer 44, a handle 45 is fixed on one side of the protective door 43 and the slag collecting drawer 44, and the protective door 43 and the slag collecting drawer 44 are convenient to open through the handle 45.

The working principle is as follows: the fusing furnace 1, the feeding structure 2, the dust removing structure 3 and the conveying structure 4 are fixedly installed and connected, copper raw materials are poured into a feeding hopper 9, a driving motor 6 on the conveying structure 4 drives an auger 7 to rotate, the auger 7 can drive the copper raw materials to be conveyed into an inner container 14 by rotating, the convenience of filling the inner container 14 with the copper raw materials is improved, a servo motor 11 on the feeding structure 2 can drive a stirring frame 12 to rotate, the stirring frame 12 can fully stir the copper raw materials and a catalyst by rotating, the uniformity of the copper raw materials and the catalyst entering the inner container 14 is improved, a protective door 43 is opened, the fuel is put into a combustion chamber 20, a fan 17 is started, the fan 17 conveys air into the combustion chamber 20 through an air inlet pipe 18, the combustion sufficiency of the fuel is improved, dust and harmful gases generated by insufficient combustion of the fuel are reduced, and the efficiency of converting, burning and melting the blister copper is improved at the same time, dust that the burning produced of blister copper converting enters into dust collecting structure 3 through connecting pipe 23 in, start suction fan 42, suction fan 42 can make and produce the negative pressure phenomenon in the dust removal pipe 25, thereby can accelerate the air in the connecting pipe 23 and enter into dust removal pipe 25, the dust that produces when improving the blister copper converting carries out quick filtration, the efficiency that the dust that the improvement produced is detached, double-deck filter screen 37 in the dust collecting structure 3 and dustproof strap 38 can filter the dust that produces when the blister copper converting, water pump 29 can be carried water in the water tank 24 on water guide disc 35 simultaneously, water guide disc 35 sprays through atomising head 36 and can play the dust fall effect to the dust in the dust removal pipe 25, the improvement produces the cleanliness factor that the dust was got rid of to the blister copper converting, make the blister copper converting environmental protection more.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a blister copper converting device which characterized in that: the device comprises a fusing furnace (1), a feeding structure (2), a dust removing structure (3) and a conveying structure (4), wherein the fusing furnace (1) comprises a fixed box (15), a shell (13) is fixed at the top of the fixed box (15), an inner container (14) is fixed inside the shell (13), a filter plate (19) is fixed inside the fixed box (15), a combustion chamber (20) and a slag collecting bin (21) are arranged inside the fixed box (15), a discharge pipe (22) is fixedly communicated with one side of the inner container (14), a connecting pipe (23) is fixedly connected at the top of the fusing furnace (1), the dust removing structure (3) comprises a water tank (24), a dust removing pipe (25) is fixed at the top of the water tank (24), a protection box (28) is fixed inside the water tank (24), and a water pump (29) is installed inside the protection box (28), the utility model discloses a dust removal device, including dust removal pipe (25), conduit (34) are installed to the output of water pump (29), the inside of dust removal pipe (25) is fixed with water guide disc (35), water guide disc (35) and conduit (34) intercommunication, the bottom of water guide disc (35) is fixed with atomising head (36), the internally mounted of dust removal pipe (25) has double-deck filter screen (37), the internally mounted of dust removal pipe (25) has dustproof sack (38), the fixed intercommunication in one side of dust removal pipe (25) has fixed pipe (41), the inside of fixed pipe (41) is fixed with suction fan (42), and the fixed one end that communicates in fixed pipe (41) of one end of connecting pipe (23).

2. The blister copper converting apparatus according to claim 1, wherein: transport structure (4) are including conveyer pipe (5), the one end of conveyer pipe (5) is fixed with driving motor (6), auger (7) are installed to the output of driving motor (6), one side of conveyer pipe (5) links firmly to lead to there is output tube (8), and the one end and the inner bag (14) of output tube (8) are fixed and are communicated.

3. The blister copper converting apparatus according to claim 1, wherein: feeding structure (2) is including feeder hopper (9), the inside of feeder hopper (9) is fixed with fixed plate (10), and conveyer pipe (5) are fixed to be run through in the inside of fixed plate (10).

4. The blister copper converting apparatus according to claim 3, wherein: the top of fixed plate (10) is installed servo motor (11) through the bolt, stirring frame (12) are installed to the output of servo motor (11).

5. The blister copper converting apparatus according to claim 1, wherein: one side of fixed case (15) is provided with mount (16), hair-dryer (17) are installed at the top of mount (16), air-supply line (18) are installed to the output of hair-dryer (17), and the one end and the combustion chamber (20) intercommunication of air-supply line (18).

6. The blister copper converting apparatus according to claim 1, wherein: the top of the dust removal pipe (25) is provided with a support frame (26) through a bolt, and the top of the support frame (26) is fixed with a rain-proof cap (27).

7. The blister copper converting apparatus according to claim 1, wherein: the water pump is characterized in that a water guide pipe (30) is fixedly mounted at the input end of the water pump (29), and a filter frame (31) is fixedly mounted at one end of the water guide pipe (30).

8. The blister copper converting apparatus according to claim 1, wherein: one side of the water tank (24) is fixedly communicated with a drain pipe (32), and one side of the drain pipe (32) is rotatably connected with a drain valve (33).

9. The blister copper converting apparatus according to claim 1, wherein: the top of the water tank (24) is fixedly communicated with a threaded pipe (39), and the outer part of the threaded pipe (39) is connected with a threaded cover (40) in a threaded mode.

10. The blister copper converting apparatus according to claim 1, wherein: one side of the fixed box (15) is provided with a protective door (43) through a bolt, the inside of the slag collecting bin (21) is connected with a slag collecting drawer (44) in a sliding manner, and one side of the protective door (43) and the slag collecting drawer (44) is fixed with a handle (45).