Smoke size mixing system

Abstract

The utility model relates to a smoke size mixing system, and belongs to the technical field of copper smelting. Comprising a primary size mixing tank, a smoke dust storage bin, a secondary size mixing tank and a secondary filter cartridge, a smoke dust storage bin is arranged above the primary size mixing tank, a feeding hole is formed in the top of the smoke dust storage bin, and a primary filter screen is arranged at the bottom of the feeding hole; a secondary size mixing tank and a secondary filter cartridge are arranged on the side of the primary size mixing tank, and a secondary filter screen is arranged in the secondary filter cartridge; a tertiary filter screen is arranged at the top of the secondary size mixing tank, a discharge pipe is arranged at the bottom of the secondary filter cartridge, and the free end of the discharge pipe extends to the position above the tertiary filter screen. Smoke dust in the smoke dust storage bin is directly put into the primary size mixing tank, the technical problem that the smoke dust overflows when falling to the belt weigher is effectively solved, the conveying pump is effectively prevented from being blocked by arranging the primary filter screen, the secondary filter screen and the tertiary filter screen, and therefore the size conveying efficiency is improved, and the failure rate of equipment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to copper smelting technical field especially relates to a smoke dust slurrying system. BACKGROUND

[0002] In the copper smelting process, some dust collecting device collected dust as raw material into production, thereby comprehensive recovery of valuable metal elements in the dust.

[0003] The dust is pumped into the processing procedure after being slurried, and the existing slurrying system mainly makes the dust break bag and enter the storage bin, the bottom of the storage bin is connected with the conveyor through the discharge pipe, the discharge pipe is controlled through the valve, when the material needs to be put, the valve is opened, the dust falls from the storage bin to the belt conveyor through the discharge pipe, and then the dust is conveyed into the slurrying tank through the belt conveyor. Since the dust is a small particle, it has great fluidity, when the valve is opened to start feeding, the dust will spread outward from the gap between the belt conveyor and the discharge pipe, resulting in the leakage of the dust from the belt conveyor, causing a large amount of dust around the belt conveyor, which is difficult to clean, and leads to the waste of the dust and the pollution of the environment around the equipment. Meanwhile, there are some sintered blocks in the dust, which will cause the valve to be blocked during the slurrying process, affecting the slurrying rate, and the bag debris will enter the slurrying tank during the bag breaking process, causing the blockage of the conveying pump of the slurrying tank, so that the conveying pump cannot be started, causing the poor conveying of the slurry, and seriously affecting the production. SUMMARY

[0004] To solve or partially solve the problems in the prior art, the utility model provides a kind of smoke dust slurrying system, to solve the technical problem that the conveying pump of the existing smoke dust slurrying system is prone to blockage.

[0005] The above-mentioned smoke dust slurrying system comprises a primary slurrying tank, a dust storage bin, a secondary slurrying tank and a secondary filter cartridge.

[0006] A cover plate is arranged on the primary slurrying tank, the dust storage bin is arranged on the cover plate, the top of the dust storage bin is provided with a feeding port, and a primary filter screen is arranged at the bottom of the feeding port.

[0007] A secondary slurrying tank and a secondary filter cartridge are arranged on the side of the primary slurrying tank, and a secondary filter screen is arranged in the secondary filter cartridge. A direct discharge pipe is arranged at the bottom of the side of the primary slurrying tank, and an overflow pipe is arranged at the top of the side of the primary slurrying tank. The free ends of the direct discharge pipe and the overflow pipe are connected to the top of the secondary filter cartridge.

[0008] The highest point of the secondary slurrying tank is lower than the lowest point of the primary slurrying tank, a tertiary filter screen is arranged at the top of the secondary slurrying tank, a discharge pipe is arranged at the bottom of the secondary filter cartridge, and the free end of the discharge pipe extends above the tertiary filter screen.

[0009] In some schemes, a dust collecting device is arranged on one side of the smoke dust storage bin, a dust collecting pipe of the dust collecting device is connected with the inner top of the smoke dust storage bin, and a dust discharging port of the dust collecting device is connected with the smoke dust storage bin through a pipeline.

[0010] In some schemes, the bottom of the primary pulp mixing tank is arranged to be inclined, and the straight pipe is arranged close to the higher side.

[0011] In some schemes, the mesh of the primary filter screen, the mesh of the secondary filter screen and the mesh of the tertiary filter screen are gradually reduced.

[0012] In some schemes, an opening bag structure is arranged in the feeding port.

[0013] The technical scheme provided by the utility model can have the following beneficial effects:

[0014] The utility model discloses a smoke dust storage bin is directly put into the primary pulp mixing tank, effectively avoids the technical problem that smoke dust falls to the belt scale and overflows, through the primary filter screen, the secondary filter screen and the tertiary filter screen, effectively removes the large sintered material, the medium fast solidified material, the small sundries and the residual material of the smoke dust bag in the smoke dust, effectively avoids the blockage of the conveying pump, thereby improving the conveying efficiency of the slurry and reducing the failure rate of the equipment.

[0015] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory, and cannot limit the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and other objects, features and advantages of the utility model will become more apparent through the following detailed description of exemplary embodiments of the utility model, taken in conjunction with the accompanying drawings, in which, in the exemplary embodiments of the utility model, the same reference numerals usually represent the same components.

[0017] Figure 1 It is the structure schematic diagram of the smoke dust pulp mixing system shown in the utility model embodiment;

[0018] Markings:

[0019] 1, primary pulp mixing tank; 2, smoke dust storage bin; 3, secondary pulp mixing tank; 4, secondary filter cylinder; 5, cover plate; 6, feeding port; 7, primary filter screen; 8, secondary filter screen; 9, straight pipe; 10, overflow pipe; 11, tertiary filter screen; 12, discharge pipe; 13, dust collecting device; 14, opening bag structure. DETAILED DESCRIPTION

[0020] The utility model will be described in further detail below in conjunction with the drawings and specific embodiments, but the protection scope of the utility model is not limited to the content.

[0021] Referring to Figure 1 The present application provides a kind of soot mixing system, including primary mixing tank 1, soot storage bin 2, secondary mixing tank 3, secondary filter cartridge 4;Primary mixing tank 1 and secondary mixing tank 3 are substantially the same structure, are all by tank body and be set in the stirring mechanism of tank body composition;Stirring mechanism includes rotationally installed in tank body stirring vane and installs the drive motor at the top of tank body, drive motor is connected with stirring vane by stirring shaft, when working, water or some need to be mixed with liquid slurry by pipeline into mixing tank, drive motor is driven by stirring shaft to drive stirring vane rotation, to realize the mixing of slurry and secondary zinc oxide powder in tank body.

[0022] The primary mixing tank 1 is provided with a cover plate 5, the cover plate 5 is provided with a soot storage bin 2, the top of the soot storage bin 2 is provided with a feed inlet 6, the bottom of the feed inlet 6 is provided with a primary filter screen 7, it is conceivable that the discharge pipe of the soot storage bin 2 is arranged at the bottom thereof and is communicated with the inside of the primary mixing tank 1, so that the material in the soot storage bin 2 is directly introduced into the primary mixing tank 1, a valve is arranged on the discharge pipe, in this way, the material in the soot storage bin 2 can be directly added to the primary mixing tank 1 by opening the valve, without being conveyed through the belt scale, thereby effectively avoiding the overflow of the soot when it falls onto the belt scale, and at the same time, by arranging the cover plate 5 on the primary mixing tank 1, the upper part of the primary mixing tank 1 is closed, in this way, the technical problem of the soot diffusing outward from the upper part of the primary mixing tank 1 when it is added into the primary mixing tank 1 is effectively avoided, in some specific embodiments, the valve on the discharge pipe of the soot storage bin 2 is replaced by a star feeder, in this way, by controlling the motor speed of the star feeder and combining with the feeding time, the control of the addition amount of the soot can be realized, other metering mechanisms can also be used in combination with the valve to control the addition amount of the soot.

[0023] The side of the primary mixing tank 1 is provided with a secondary mixing tank 3 and a secondary filter cartridge 4, the secondary filter cartridge 4 is provided with a secondary filter screen 8, the secondary filter screen 8 is horizontally arranged in the middle part of the secondary filter cartridge 4, the bottom of the side of the primary mixing tank 1 is provided with a direct discharge pipe 9, the top of the side of the primary mixing tank 1 is provided with an overflow pipe 10, the free ends of the direct discharge pipe 9 and the overflow pipe 10 are respectively connected with the top of the secondary filter cartridge 4, the highest point of the secondary mixing tank 3 is lower than the lowest point of the primary mixing tank 1, so that the material in the primary mixing tank 1 can flow into the secondary mixing tank 3 by itself, without the need for additional conveying mechanisms, which is beneficial to reduce the operating cost of the device, the top of the secondary mixing tank 3 is provided with a tertiary filter screen 11, the bottom of the secondary filter cartridge 4 is provided with a discharge pipe 12, the free end of the discharge pipe 12 extends above the tertiary filter screen 11.

[0024] The working process of the soot mixing system is as follows:

[0025] 1. The flue gas is hoisted to the top of the feed inlet 6 by external mechanical equipment, and then put into the flue gas storage bin 2 for storage through the feed inlet 6; when the flue gas passes through the filter screen, large pieces of sintered material in the flue gas are filtered out, effectively avoiding the technical problem of large pieces of sintered material in the flue gas clogging the conveying pump.

[0026] 2. As needed, the flue dust in the flue dust storage bin 2 is put into the primary slurry tank 1 for primary slurry conditioning. After the flue dust has been slurried once, the slurry at the bottom of the primary slurry tank 1 flows by gravity through the straight discharge pipe 9 to the secondary filter cylinder 4, and the slurry at the top of the primary slurry tank 1 flows by gravity through the overflow pipe 10 to the secondary filter cylinder 4. Then, the slurry is filtered twice through the secondary filter cylinder 4 to effectively remove lumps in the slurry and effectively avoid the technical problem of lumps in the flue dust clogging the delivery pump.

[0027] 3. The slurry after being filtered by the secondary filter cartridge 4 flows by gravity through the discharge pipe 12 to the tertiary filter screen 11. After passing through the tertiary filter screen 11, it falls into the secondary slurry conditioning tank 3 for secondary slurry conditioning. Finally, it is transported to the relevant equipment by the conveying pump. The setting of the tertiary filter screen 11 effectively removes small impurities such as packaging bag residues in the slurry, and further avoids the technical problem of conveying pump blockage.

[0028] This application effectively avoids the technical problem of flue gas overflowing when it falls onto the belt scale by directly feeding the flue gas from the flue gas storage bin 2 into the primary slurry mixing tank 1. By setting up a primary filter 7, a secondary filter 8, and a tertiary filter 11, large sintered materials, medium-fast solidified materials, small debris, and residues from the flue gas bags are effectively removed from the flue gas, effectively preventing the conveying pump from clogging, thereby improving the slurry conveying efficiency and reducing the equipment failure rate.

[0029] In some specific embodiments, a dust collection device 13 is provided on one side of the dust storage bin 2. The dust collection pipe of the dust collection device 13 is connected to the inner top of the dust storage bin 2, and the ash discharge port of the dust collection device 13 is connected to the dust storage bin 2 through a pipe. The dust collection device 13 can be a bag dust collector, electrostatic precipitator, etc. When the dust is put into the dust storage bin 2, the dust collection device 13 collects the scattered dust and then puts it back into the dust storage bin 2, effectively avoiding the technical problems of dust pollution and dust waste.

[0030] In some specific embodiments, the bottom of the primary mixing tank 1 is inclined, which is beneficial to improve the mixing uniformity of the primary mixing tank 1, and the straight discharge pipe 9 is set close to the higher side.

[0031] In some specific embodiments, the mesh of the primary filter screen 7, the mesh of the secondary filter screen 8 and the mesh of the tertiary filter screen 11 are gradually reduced, so that the large sintered blocks, the medium solidified blocks, the small sundries and the fragments of the dust packaging bag in the dust are gradually removed, the sundries removal is more complete, the sundries removed on each filter screen is more uniform, and the uniform treatment of the removed sundries is facilitated.

[0032] In some specific embodiments, the bag opening structure 14 is arranged in the feeding port 6, the bag opening structure 14 is conical and is composed of two, three or four bag opening knives, when the dust is put into the dust storage bin 2, the dust bag is directly put into the feeding port 6, and the dust bag can be opened under the action of the bag opening structure 14, so that the use is more convenient.

[0033] The above has described the embodiments of the utility model, the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The selection of the terms used in the text is intended to best explain the principles, practical application or improvement of the technology in the market of the embodiments, or to enable other ordinary skilled in the art to understand the embodiments disclosed in the text.

Claims

1. A soot slurry system characterized by: It comprises a primary pulp mixing tank (1), a smoke dust storage bin (2), a secondary pulp mixing tank (3), and a secondary filter cylinder (4). The primary pulp mixing tank (1) is provided with a cover plate (5), the cover plate (5) is provided with a smoke dust storage bin (2), the top of the smoke dust storage bin (2) is provided with a feeding port (6), and the bottom of the feeding port (6) is provided with a primary filter screen (7). The side of the primary pulp mixing tank (1) is provided with a secondary pulp mixing tank (3) and a secondary filter cylinder (4), the secondary filter cylinder (4) is provided with a secondary filter screen (8) inside, the bottom of the side of the primary pulp mixing tank (1) is provided with a direct discharge pipe (9), the top of the side of the primary pulp mixing tank (1) is provided with an overflow pipe (10), and the free ends of the direct discharge pipe (9) and the overflow pipe (10) are connected with the top of the secondary filter cylinder (4) respectively. The highest point of the secondary pulp mixing tank (3) is lower than the lowest point of the primary pulp mixing tank (1), the top of the secondary pulp mixing tank (3) is provided with a tertiary filter screen (11), and the bottom of the secondary filter cylinder (4) is provided with a discharge pipe (12), and the free end of the discharge pipe (12) extends above the tertiary filter screen (11).

2. The smoke dust pulp mixing system according to claim 1, wherein: One side of the smoke dust storage bin (2) is provided with a dust collecting device (13), a dust collecting pipe of the dust collecting device (13) is connected with the inner top of the smoke dust storage bin (2), and an ash discharge port of the dust collecting device (13) is connected with the smoke dust storage bin (2) through a pipeline.

3. The smoke dust pulp mixing system according to claim 1, wherein: The bottom of the primary pulp mixing tank (1) is arranged to be inclined, and the direct discharge pipe (9) is arranged close to the higher side.

4. The smoke dust pulp mixing system according to claim 1, wherein: The mesh of the primary filter screen (7), the mesh of the secondary filter screen (8), and the mesh of the tertiary filter screen (11) are gradually reduced.

5. The smoke dust pulp mixing system according to claim 1, wherein: The feeding port (6) is provided with an opening bag structure (14).

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