CN210150351U - Handle environmental protection device of copper smelting mill fine dust - Google Patents
Handle environmental protection device of copper smelting mill fine dust Download PDFInfo
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- CN210150351U CN210150351U CN201920972516.0U CN201920972516U CN210150351U CN 210150351 U CN210150351 U CN 210150351U CN 201920972516 U CN201920972516 U CN 201920972516U CN 210150351 U CN210150351 U CN 210150351U
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Abstract
The utility model provides an environment-friendly device for treating fine dust in a copper smelting factory, which comprises a conveyor belt, a front raw material blanking port and a rear raw material blanking port which are arranged above the conveyor belt, and an ash adding mechanism arranged between the front raw material blanking port and the rear raw material blanking port, wherein the ash adding mechanism comprises a cover covered on the conveyor belt, a screw conveyer arranged on the cover and with a discharge port communicated with the interior of the cover, an ash storage bin arranged on the screw conveyer and with a discharge port connected with a feed port of the screw conveyer, an ash tank arranged at the inlet of the ash storage bin, and a cloth bag dust collector arranged on the cover and with an ash discharge port communicated with the cover; wherein the inlet of the cloth bag dust collector is respectively communicated with the dust storage bin and the cover through a dust collecting pipeline.
Description
Technical Field
The utility model relates to a copper smelting field, concretely relates to handle environment-friendly device of copper smelting mill's fine dust.
Background
In the production process of the pyrometallurgical copper smelting, a large amount of smelting smoke dust is carried in the smoke generated by the smelting furnace. Valuable metals such as copper and the like contained in the smoke dust are collected by a dust collection system and then returned to a smelting furnace or mixed into raw materials for recycling, so that the smoke dust collected by each dust collection point needs to be sent to a smoke dust bin in the smelting furnace or a raw material warehouse. Moreover, whether the smoke dust system is normal or not is directly related to the production operation of the smelting system, so that a practical and reliable smoke dust treatment method is selected, and valuable metals in the smoke dust are recovered, which is an important factor that must be considered in a copper smelting plant.
The method for treating the fine dust by large domestic smelting enterprises mainly comprises the step of conveying the smoke dust into a smoke dust bin through a positive pressure concentrated phase pneumatic conveying system. The method has the disadvantages of high manufacturing cost, high maintenance requirement and complex control of the whole system. In addition, when the pipeline is blocked, a large amount of dust can be generated when the pipeline is dredged, a lot of dust pollution can be brought to the environment of a factory, and the requirement of clean production cannot be met.
In China, many copper smelting enterprises drop smoke generated by a smelting furnace into a smoke tank (ash tank) through dust collection equipment, then the smoke is conveyed to a smoke bin by a forklift, and the smoke bin is fully stirred with raw materials through a feeding travelling crane, then enters a belt conveyor through a hopper, and finally returns to the smelting furnace. The method has the disadvantages that because the operation environment is open, a large amount of dust can be generated in the process of pouring the fine dust in the dust tank into the dust bin and stirring the dust and the raw materials, not only can a large amount of environmental pollution be caused, but also certain influence can be caused on the bodies of workers in the raw material factory.
No matter the smoke dust is sent to the smoke dust bin through the concentrated phase pneumatic conveying system or the ash tank to return to the furnace, the operation steps are complicated in the process, and the problems that the working environment is deteriorated and the environmental protection requirement cannot be met exist.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a handle copper smelting mill fine dust's environment-friendly device.
In order to solve the technical problem, the technical scheme of the utility model is that:
an environment-friendly device for treating fine dust of a copper smelting factory comprises a conveyor belt, a front raw material blanking port and a rear raw material blanking port which are arranged above the conveyor belt, and further comprises an ash adding mechanism arranged between the front raw material blanking port and the rear raw material blanking port, wherein the ash adding mechanism comprises a cover covered on the conveyor belt, a screw conveyor arranged on the cover and provided with a discharge port communicated with the interior of the cover, an ash storage bin arranged on the screw conveyor and provided with a blanking port connected with a feed port of the screw conveyor, an ash tank arranged at the inlet of the ash storage bin, and a cloth bag dust collector arranged on the cover and provided with an ash discharging port communicated with the cover; wherein the inlet of the cloth bag dust collector is respectively communicated with the dust storage bin and the cover through a dust collecting pipeline.
Through the setting, add ash mechanism so along with the operation of conveyer belt between locating preceding raw materials blanking mouth and the back raw materials blanking mouth, guaranteed that the ash that adds mixes with the raw materials abundant, avoid fine ash to glue simultaneously and glue on the belt and prevent to produce the raise dust in subsequent conveyer belt transportation. Meanwhile, a circulating system is formed among the cover, the bag dust collector, the ash storage bin and the screw conveyor through a dust collecting pipeline, so that a large amount of raised dust generated when fine ash falls down through the screw conveyor and a small amount of raised dust generated when ash falls down from the bag dust collector are effectively collected by the bag dust collector again.
The utility model discloses further set up to: the left end and the right end of the cover are of arch structures for raw materials to pass through, and the cover is in flexible contact with the conveyor belt.
Through the arrangement, the two ends of the cover are designed to be arch-shaped structures, so that the raw materials falling onto the conveying belt from the front raw material blanking port can smoothly pass through the cover; the cover and the conveyor belt are in flexible contact, so that the cover can be prevented from damaging the belt.
The utility model discloses further set up to: the ash outlet of the ash tank is connected with the inlet of the ash storage bin through soft sealing.
Through the arrangement, the ash tank is connected with the ash storage bin in a soft sealing mode, and the influence on the working environment caused by the escape of flying dust generated when fine ash in the ash tank is discharged into the ash storage bin is avoided.
The utility model discloses further set up to: and a discharge valve is also arranged on the ash discharge opening of the cloth bag dust collector.
Through the arrangement, the dust discharging opening of the cloth bag dust collector can be buffered by the discharging valve when discharging dust, so that a large amount of raised dust is avoided.
The utility model discloses further set up to: and valves are arranged on the dust collection pipeline close to the cover and the ash storage bin.
Through the arrangement, the valve is arranged on the dust collection pipeline, and the size of dust collection wind power of the dust collection pipeline can be controlled by controlling the opening degree of the valve.
To sum up, compare prior art, the utility model has the advantages of:
1. add grey mechanism and locate between preceding raw materials blanking mouth and the back raw materials blanking mouth, so along with the operation of conveyer belt, guaranteed that the ash that adds mixes fully with the raw materials, avoid fine ash to glue simultaneously and glue on the belt and prevent to produce the raise dust in subsequent conveyer belt transportation.
2. A circulating system is formed among the cover, the bag dust collector, the ash storage bin and the screw conveyor through a dust collecting pipeline, so that a large amount of raised dust generated when fine ash falls down through the screw conveyor and a small amount of raised dust generated when the ash falls down from the bag dust collector are effectively collected by the bag dust collector again.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the structure in the direction of a-a in fig. 1.
Reference numerals: 1. a conveyor belt; 2. a front raw material blanking port; 3. a rear raw material blanking port; 4. a dust adding mechanism; 41. a cover; 42. a screw conveyor; 43. an ash storage bin; 44. an ash tank; 45. a bag dust collector; 451. a discharge valve; 46. a dust collection pipeline; 461. and (4) a valve.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.
Example (b):
referring to fig. 1, the embodiment provides an environment-friendly device for treating fine dust in a copper smelting plant, which comprises a conveyor belt 1, a front raw material blanking port 2 and a rear raw material blanking port 3 which are arranged above the conveyor belt 1, and further comprises an ash adding mechanism 4 arranged between the front raw material blanking port 2 and the rear raw material blanking port 3, wherein the ash adding mechanism 4 comprises a cover 41 covered on the conveyor belt 1, a screw conveyor 42 arranged on the cover 41 and communicated with the interior of the cover 41 through a discharge port, an ash storage bin 43 arranged on the screw conveyor 42 and connected with the feed port of the screw conveyor 42 through a discharge port, and an ash tank 44 arranged at the inlet of the ash storage bin 43, wherein an ash outlet of the ash tank 44 is connected with an inlet of the ash storage bin 43 through soft sealing; and a bag dust collector 45 provided on the cover 41 and having an ash discharge opening communicating with the cover 41, wherein a discharge valve 451 is further provided on the ash discharge opening of the bag dust collector 45.
Wherein the inlet of the bag dust collector 45 is respectively communicated with the dust storage bin 43 and the cover 41 through a dust collecting pipeline 46; valves 461 are arranged on the dust collecting pipeline 46 and are close to the cover 41 and the dust storage bin 43.
In order to make the raw material falling from the front raw material blanking port 2 smoothly pass through the cover 41, the left and right ends of the cover 41 are formed into an arch structure for the raw material to pass through, and the cover 41 is flexibly contacted with the conveyor belt 1.
The implementation principle is as follows: for a more clear and concise description of the embodiment, the raw material falling from the front raw material blanking port 2 is referred to as a front material, and the raw material falling from the rear raw material blanking port 3 is referred to as a rear material.
In operation, the ash tank 44 with the collected fine ash is first placed on the inlet of the ash storage bin 43, and then the ash outlet of the ash tank 44 is opened, so that the fine ash in the ash tank 44 continuously falls into the ash storage bin 43, and then the fine ash in the ash storage bin 43 continuously falls into the screw conveyor 42, and the fine ash is continuously sent into the cover 41 through the screw conveyor 42, so that the fine ash continuously falls down in the cover 41.
In the above-mentioned in-process, conveyer belt 1 is constantly running, so, the head-end feed falls on conveyer belt 1, by conveyer belt 1 with the head-end feed direction transportation, when the head-end feed passes through in cover 41 along with conveyer belt 1, the head-end feed upper surface can constantly fall in cover 41 by the fine ash of screw conveyer 42 transport, so just avoided the adhesion of fine ash to falling on conveyer belt 1, conveyer belt 1 continues the operation, when moving back raw materials blanking mouth 3 department, the back-end feed then can directly fall on the fine ash of head-end feed upper surface, final head-end feed, the back-end feed, fine ash has just formed sandwich structure, fine ash is pressed from both sides in the middle of head-end feed and back-end feed, it is abundant with the raw materials mixture to have guaranteed to add fine ash, avoid fine ash to glue on the belt simultaneously and prevent to produce the raise dust in subsequent conveyer belt 1 transportation.
Moreover, in the dust adding process, when the fine dust falls into the dust storage bin 43 from the dust tank 44, the fine dust can generate raised dust, and simultaneously, under the action of the bag dust collector 45, the raised dust can be recovered into the bag dust collector 45 again through the dust collecting pipeline 46, and finally, the raised dust can fall into the cover 41 through the dust discharging opening of the bag dust collector 45, and the operation is repeated in a circulating manner, so that the raised dust generated when the fine dust falls down through the screw conveyor 42 and the raised dust generated when the fine dust falls down from the bag dust collector 45 can be effectively collected by the bag dust collector 45 again.
The above embodiment is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the technical scope of the claims.
Claims (5)
1. The utility model provides a handle environment-friendly device of copper smelting mill fine dust, includes conveyer belt (1) to and locate preceding raw materials blanking mouth (2) and back raw materials blanking mouth (3) of conveyer belt (1) top, its characterized in that: the dust removing device comprises a front raw material blanking port (2) and a rear raw material blanking port (3), and is characterized by further comprising a dust adding mechanism (4) arranged between the front raw material blanking port (2) and the rear raw material blanking port (3), wherein the dust adding mechanism (4) comprises a cover (41) covered on the conveyor belt (1), a screw conveyor (42) arranged on the cover (41) and communicated with the interior of the cover (41) at a discharge port, a dust storage bin (43) arranged on the screw conveyor (42) and connected with the feed port of the screw conveyor (42) at the discharge port, a dust tank (44) arranged at the inlet of the dust storage bin (43), and a cloth bag dust collector (45) arranged on the cover (41) and communicated with the cover (41) at a; wherein the inlet of the bag dust collector (45) is respectively communicated with the dust storage bin (43) and the cover (41) through a dust collecting pipeline (46).
2. The environmental protection device for treating fine dust of a copper smelting plant according to claim 1, wherein: the left end and the right end of the cover (41) are of arch structures for raw materials to pass through, and the cover (41) is in flexible contact with the conveyor belt (1).
3. The environmental protection device for treating fine dust of a copper smelting plant according to claim 1, wherein: the ash outlet of the ash tank (44) is connected with the inlet of the ash storage bin (43) through soft sealing.
4. The environmental protection device for treating fine dust of a copper smelting plant according to claim 1, wherein: the dust discharging opening of the cloth bag dust collector (45) is also provided with a discharging valve (451).
5. The environmental protection device for treating fine dust of a copper smelting plant according to claim 1, wherein: valves (461) are arranged on the dust collecting pipeline (46) and are close to the cover (41) and the ash storage bin (43).
Priority Applications (1)
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CN201920972516.0U CN210150351U (en) | 2019-06-26 | 2019-06-26 | Handle environmental protection device of copper smelting mill fine dust |
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CN201920972516.0U CN210150351U (en) | 2019-06-26 | 2019-06-26 | Handle environmental protection device of copper smelting mill fine dust |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114229525A (en) * | 2021-11-03 | 2022-03-25 | 淮北矿业股份有限公司 | Flexible dust collecting device for ash discharge of tank car |
CN115504283A (en) * | 2022-09-08 | 2022-12-23 | 华润水泥(弥渡)有限公司 | Effectively solve high drop unloading dust suppression device |
-
2019
- 2019-06-26 CN CN201920972516.0U patent/CN210150351U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114229525A (en) * | 2021-11-03 | 2022-03-25 | 淮北矿业股份有限公司 | Flexible dust collecting device for ash discharge of tank car |
CN115504283A (en) * | 2022-09-08 | 2022-12-23 | 华润水泥(弥渡)有限公司 | Effectively solve high drop unloading dust suppression device |
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