CN211112262U - A dust collector for broken electrolyte charging system - Google Patents
A dust collector for broken electrolyte charging system Download PDFInfo
- Publication number
- CN211112262U CN211112262U CN201922396330.8U CN201922396330U CN211112262U CN 211112262 U CN211112262 U CN 211112262U CN 201922396330 U CN201922396330 U CN 201922396330U CN 211112262 U CN211112262 U CN 211112262U
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- pipeline
- dust
- reducing pipe
- triangular plate
- dust removal
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- Expired - Fee Related
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Abstract
The utility model provides a dust collector for broken electrolyte charging system, includes loudspeaker form dust cage, loudspeaker form dust cage sets up in the broken electrolyte loading hopper side rear of electrolysis shop vestibule department, and loudspeaker form dust cage rear end has connected gradually first straight tube way, first elbow, first reducing pipe, pulse bag dust collector, second reducing pipe, second straight tube way, second elbow, third straight tube way, fan import elastic joint and high-pressure centrifugal fan entrance point and links to each other, and high-pressure centrifugal fan's exit end connects gradually third reducing pipe and L type exhaust pipe, the broken electrolyte that the pulse bag dust collector was collected passes through screw feeder and gets into material conveying system, and screw feeder supports fixedly through the equipment support.
Description
Technical Field
The utility model belongs to the technical field of the flue gas treatment in the electrolytic aluminum production, in particular to a dust collector for broken electrolyte charging system.
Background
Crushed electrolyte is one of the important raw materials for electrolytic aluminum production, and 410kg of crushed electrolyte is required for each 1 ton of electrolytic aluminum produced. In the production process of the electrolytic cell, the carbon block anode becomes a residual anode after the consumption is finished, and is replaced by the multi-energy unit. The fluoride salt remaining on the residue and the alumina powder are solidified together. The concretion on the residual anode is crushed in an anode assembly workshop to form particles of 3mm-6mm, and is transported to a corridor of an electrolysis workshop through a tank truck. A50 t high-level broken electrolyte bin is arranged at the corridor of the electrolytic plant. The high-order feed bin sets up reinforced platform in electrolytic plant's 3.5m platform department, and the broken electrolyte that the tank car was unloaded gets into the loading hopper, can produce the raise dust at reinforced in-process. Fluoride contained in the dust of the broken electrolyte not only pollutes the working environment of an electrolysis workshop, but also can harm the health of operators.
At present, dust removal systems are not arranged at broken electrolyte feeding points of a plurality of electrolytic aluminum plants; or a dust removal system is arranged, but the dust removal system is unreasonable in arrangement, so that the phenomenon of dust raising near a feeding point is prominent. Not only pollutes the production environment of an electrolysis workshop, but also can harm the health of operators, and is not in accordance with the green development concept of modern electrolytic aluminum plants.
Therefore, the development of a dust removal device for a broken electrolyte feeding system can reduce the flying of fluorine-containing substances at the feeding point position and maintain the working environment of an electrolysis workshop, and is a problem to be solved by environmental protection workers.
SUMMERY OF THE UTILITY MODEL
The system comprises a horn-shaped dust collection cover, the horn-shaped dust collection cover is arranged at the side rear part of a broken electrolyte feeding hopper at a corridor of an electrolysis workshop, the rear end of the horn-shaped dust collection cover is connected with one end of a first straight pipeline, the other end of the first straight pipeline is connected with one end of a first reducing pipe, the other end of the first reducing pipe is connected with the inlet end of a pulse bag dust collector, the outlet end of the pulse bag dust collector is connected with one end of a second reducing pipe, the other end of the second reducing pipe is connected with one end of a second elbow, the other end of the second elbow is connected with one end of a third straight pipeline, the other end of the third reducing pipe is connected with one end of an L type straight pipeline, the other end of the L type straight pipeline is communicated with the atmosphere, the outlet end of the high-pressure centrifugal fan is connected with the inlet end of the high-pressure centrifugal fan through an elastic connector, the outlet end of the high-pressure centrifugal fan is connected with one end of the third reducing pipe, the third reducing pipe is connected with one end of a straight pipeline L, the exhaust duct, the dust collection duct and the exhaust duct are connected with the first dust collection duct, the exhaust duct, the first dust collection duct, the second duct, the exhaust duct and the exhaust duct are connected with the exhaust duct I, the exhaust duct I and the.
The horn-shaped dust collection cover is composed of a first triangular plate, two second triangular plates, two third triangular plates and a fourth triangular plate, the two second triangular plates and the fourth triangular plate are isosceles triangles, the bottom edge of the second triangular plate is an arc edge, the vertex angle of the fourth triangular plate is cut into the arc edge, the two second triangular plates and the arc edge of the fourth triangular plate are encircled to form a circle, the two second triangular plates and the arc edge of the fourth triangular plate are welded on a first straight pipeline, the first triangular plate is welded between the two second triangular plates, and the third triangular plate is welded between the second triangular plates and the fourth triangular plate.
The horn-shaped dust collection cover collects the raised dust generated in the discharging process and collects the raised dustThe rate is not less than 95 percent, and the smoke collection amount is 20000-30000m3/h。
The dust removal pipeline I, the dust removal pipeline II and the exhaust pipeline are all made of Q235, the diameter of the dust removal pipeline I is 600-1000mm, and the thickness of the dust removal pipeline II is 3-4 mm.
The filtering speed of the flue gas in the pulse bag-type dust collector is 0.8-2.0m/min, and the emission concentration of the treated flue gas is less than 5mg/Nm3The processing capacity of the pulse bag-type dust collector is 20000-one 30000m3/h。
The first pipeline support, the second pipeline support and the equipment support are all adopted
The seamless steel pipe is made.
The conveying capacity of the screw feeder is 5-10 t/h.
The utility model has the advantages that:
the dust removal system collects and treats the raised dust generated in the electrolyte feeding process, adopts the pulse bag-type dust remover as the main collecting equipment of the system, adopts the high-voltage pulse dust removal system to remove dust, and has good dust removal effect; the emission concentration of the treated flue gas is less than 5mg/Nm3(ii) a The trumpet-shaped dust collection cover is arranged to collect the raised dust generated in the unloading process, so that the collection efficiency of the flue gas can be improved to 95%; the flying of fluorine-containing substances near the feeding point of the broken electrolyte is reduced, the working environment of an electrolysis workshop is maintained, and the harm to the health of operators is reduced; the conveying system of the broken electrolyte screw feeder reduces the workload of workers, improves the labor productivity and improves the green index of an electrolytic aluminum plant.
Drawings
FIG. 1 is a front view of a dust removal device for a crushed electrolyte feeding system according to the present invention;
FIG. 2 is a top view of the dust removing device for the feeding system of crushed electrolyte according to the present invention;
FIG. 3 is a schematic view of the A-A direction rotation of the dust collector for the feeding system of the broken electrolyte according to the present invention;
FIG. 4 is a schematic view of a B-B direction rotation of the dust collector for a feeding system for crushed electrolyte according to the present invention;
FIG. 5 is a schematic view of the C-C direction rotation of the dust collector for the feeding system of the present invention;
FIG. 6 is a front view of the trumpet-shaped dust hood of the dust removing device for the feeding system of crushed electrolyte according to the present invention;
FIG. 7 is a side view of the trumpet-shaped dust hood of the dust removing device for the feeding system of crushed electrolyte according to the present invention;
FIG. 8 is a top view of the trumpet-shaped dust hood of the dust removing device for the feeding system of crushed electrolyte according to the present invention;
1-trumpet-shaped dust collection cover, 2-first straight pipeline, 3-first elbow, 4-first reducer, 5-pulse bag-type dust collector, 6-second reducer, 7-second straight pipeline, 8-second elbow, 9-third straight pipeline, 10-first pipeline support, 11-fan inlet elastic joint, 12-high-pressure centrifugal fan, 13-third reducer, 14-L type exhaust pipeline, 15-screw feeder, 16-second pipeline support, 17-equipment support, 18-first triangular plate, 19-second triangular plate, 20-third triangular plate and 21-fourth triangular plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 to 5, a dust removing device for a broken electrolyte feeding system comprises a horn-shaped dust collecting cover 1, the horn-shaped dust collecting cover 1 is arranged behind a broken electrolyte feeding hopper at a corridor of an electrolysis workshop, the rear end of the horn-shaped dust collecting cover 1 is welded with one end of a first straight pipeline 2, the other end of the first straight pipeline 2 is welded with one end of a first elbow 3, the other end of the first elbow 3 is welded with one end of a first reducing pipe 4, the other end of the first reducing pipe 4 is welded with one end of a pulse bag dust remover 5, the outlet end of the pulse bag dust remover 5 is welded with one end of a second reducing pipe 6 through a flange and a bolt, the other end of the second reducing pipe 6 is welded with one end of a second straight pipeline 7, the other end of the second straight pipeline 7 is welded with one end of a second elbow 8, the other end of the second elbow 8 is welded with one end of a third straight pipeline 9, the other end of the third straight pipeline 9 is connected with one end of a fan inlet elastic connector 11 through a flange and a bolt, the other end of the fan inlet elastic connector 11 is connected with a high-pressure fan 12, the other end of the fan inlet pipe is welded with a second straight pipeline, the third pipeline 865, the third pipeline is connected with a third pipeline 14, the centrifugal fan inlet duct inlet of the centrifugal fan 13, the centrifugal fan inlet duct inlet of the centrifugal fan is connected with the centrifugal fan inlet duct inlet of the centrifugal fan inlet duct inlet of the centrifugal fan inlet duct inlet of the centrifugal fan inlet duct inlet.
As shown in fig. 6 to 8, L in the figures is 200-350mm, L in this embodiment is 250mm, the trumpet-shaped dust collection cover 1 is composed of a first triangular plate 18, two second triangular plates 19, two third triangular plates 20 and a fourth triangular plate 21, the two second triangular plates 19 and the fourth triangular plate 21 are isosceles triangles, the bottom edge of the second triangular plate 19 is a quarter arc edge, the top angle of the fourth triangular plate 21 is cut into a half arc edge, the two second triangular plates 19 and the arc edge of the fourth triangular plate 21 are enclosed into a circle and are welded on the first straight pipeline 2, the first triangular plate 18 is welded between the two second triangular plates 19, and the third triangular plate 20 is welded between the second triangular plate 19 and the fourth triangular plate 21.
The trumpet-shaped dust collection cover 1 collects the raised dust generated in the unloading process, the collection efficiency is 95 percent, and the flue gas collection amount is 25000m3/h。
Dust removal pipeline I, dust removal pipeline II and exhaust duct are made by Q235, and the diameter is 800mm, and thickness is 3 mm.
The filtering speed of the smoke in the pulse bag-type dust collector 5 is 1.5m/min, and the emission concentration of the treated smoke is 4.5mg/Nm3The treatment capacity of the pulse bag dust collector 5 is 25000m3/h。
The first pipeline bracket 10, the second pipeline bracket 16 and the equipment bracket 17 are all adopted
The seamless steel pipe is made.
The conveying capacity of the screw feeder 15 is 7 t/h.
The utility model discloses a one-time use does:
a high-pressure centrifugal fan 12 and a pulse bag-type dust collector 5 are started, the centrifugal fan is a power device of the whole dust collection system, dust-containing smoke generated at a feeding hopper is collected through a horn-shaped dust collection cover 1 under the action of the high-pressure centrifugal fan 12, the dust-containing smoke enters the pulse bag-type dust collector 5 through a first straight pipeline 2, a first elbow 3 and a first reducer 4 to be subjected to dust reduction treatment, the qualified smoke after treatment enters the high-pressure centrifugal fan 12 through a second reducer 6, a second elbow 8 and a third straight pipeline 9, then enters a third reducer 13 through an outlet of the high-pressure centrifugal fan 12 and then is exhausted into the atmosphere through an L type exhaust pipeline 14, and broken electrolyte collected by the pulse bag-type dust collector 5 enters a material conveying system through a screw feeder 15.
Claims (7)
1. The utility model provides a dust collector for broken electrolyte charging system, a serial communication port, including loudspeaker form dust cage, loudspeaker form dust cage sets up in the broken electrolyte charging hopper side rear of electrolysis workshop vestibule department, and loudspeaker form dust cage rear end is connected with first pipeline one end, and the first pipeline other end is connected with first elbow one end, and the first elbow other end is connected with first reducing pipe one end, and the first reducing pipe other end is connected with pulse sack cleaner entrance connection, and pulse sack cleaner exit end is connected with second reducing pipe one end, and the second reducing pipe other end is connected with second elbow one end, and the second elbow other end is connected with third pipeline one end, and the third pipeline other end passes through fan import elastic joint and links to each other with high-pressure centrifugal fan entrance point, and high-pressure centrifugal fan's exit end links to each other with third reducing pipe one end, and the third reducing pipe other end links to each other with L type exhaust pipe one end, and L type pipeline other end communicates with the atmosphere, first pipeline, first reducing pipe and first reducing pipe constitute first reducing pipe I, second reducing pipe support and second straight pipe support that the fixed dust collecting system passes through dust collecting duct II, and second straight pipe, and second elbow that the straight pipe support get into the fixed spiral duct type dust collecting device.
2. A dust removal device for a crushed electrolyte feeding system according to claim 1, wherein: the horn-shaped dust collection cover is composed of a first triangular plate, two second triangular plates, two third triangular plates and a fourth triangular plate, the two second triangular plates and the fourth triangular plate are isosceles triangles, the bottom edge of the second triangular plate is an arc edge, the vertex angle of the fourth triangular plate is cut into the arc edge, the two second triangular plates and the arc edge of the fourth triangular plate are encircled to form a circle, the two second triangular plates and the arc edge of the fourth triangular plate are welded on a first straight pipeline, the first triangular plate is welded between the two second triangular plates, and the third triangular plate is welded between the second triangular plates and the fourth triangular plate.
3. A dust removal device for a crushed electrolyte feeding system according to claim 1, wherein: the trumpet-shaped dust collection cover collects the raised dust generated in the unloading process, the collection efficiency is not less than 95 percent, and the flue gas collection amount is 20000-plus 30000m3/h。
4. A dust removal device for a crushed electrolyte feeding system according to claim 1, wherein: the dust removal pipeline I, the dust removal pipeline II and the exhaust pipeline are all made of Q235, the diameter of the dust removal pipeline I is 600-1000mm, and the thickness of the dust removal pipeline II is 3-4 mm.
5. A dust removal device for a crushed electrolyte feeding system according to claim 1, wherein: the filtering speed of the flue gas in the pulse bag-type dust collector is 0.8-2.0m/min, and the emission concentration of the treated flue gas is less than 5mg/Nm3The processing capacity of the pulse bag-type dust collector is 20000-one 30000m3/h。
6. A dust removal device for a crushed electrolyte feeding system according to claim 1, wherein: the first pipeline support, the second pipeline support and the equipment support are all adopted
The seamless steel pipe is made.
7. A dust removal device for a crushed electrolyte feeding system according to claim 1, wherein: the conveying capacity of the screw feeder is 5-10 t/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922396330.8U CN211112262U (en) | 2019-12-27 | 2019-12-27 | A dust collector for broken electrolyte charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922396330.8U CN211112262U (en) | 2019-12-27 | 2019-12-27 | A dust collector for broken electrolyte charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211112262U true CN211112262U (en) | 2020-07-28 |
Family
ID=71704506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922396330.8U Expired - Fee Related CN211112262U (en) | 2019-12-27 | 2019-12-27 | A dust collector for broken electrolyte charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211112262U (en) |
-
2019
- 2019-12-27 CN CN201922396330.8U patent/CN211112262U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 Termination date: 20201227 |