CN221301995U - Sintering machine tail flue gas dust removal purifier - Google Patents
Sintering machine tail flue gas dust removal purifier Download PDFInfo
- Publication number
- CN221301995U CN221301995U CN202322811849.4U CN202322811849U CN221301995U CN 221301995 U CN221301995 U CN 221301995U CN 202322811849 U CN202322811849 U CN 202322811849U CN 221301995 U CN221301995 U CN 221301995U
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- Prior art keywords
- flue gas
- filter
- dust
- filter screen
- shaking plate
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- 239000000428 dust Substances 0.000 title claims abstract description 110
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 239000003546 flue gas Substances 0.000 title claims abstract description 88
- 238000005245 sintering Methods 0.000 title claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 238000000746 purification Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 238000007791 dehumidification Methods 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims 3
- 239000007789 gas Substances 0.000 claims 1
- 239000004744 fabric Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 9
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 238000013016 damping Methods 0.000 abstract description 6
- 239000002245 particle Substances 0.000 description 11
- 239000007788 liquid Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000008187 granular material Substances 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a dust removal and purification device for tail flue gas of a sintering machine, which comprises a cyclone dust collector, a filter and a cloth bag dust collector which are sequentially connected, wherein a cooling assembly and a dehumidifying assembly are sequentially arranged in a dehumidifier at the air inlet end of the cyclone dust collector along the flue gas flow direction, a dust storage chamber and a filter chamber are arranged in the filter, a shaking plate is arranged in the filter chamber, a vibrator is arranged on the lower surface of the shaking plate, a damping assembly is arranged between the shaking plate and a baffle plate, a plurality of layers of filter screens which are in a cover shape are sequentially arranged on the shaking plate from outside to inside at intervals, a plurality of dust discharge telescopic hoses are uniformly distributed in the annular area of the shaking plate between every two adjacent filter screens, an exhaust telescopic hose is arranged on the shaking plate below the innermost filter screen, and the lower end of the exhaust telescopic hose is communicated with the air inlet of the cloth bag dust collector after extending out of the filter. The utility model has high working efficiency, good dust removal effect and difficult corrosion.
Description
Technical Field
The utility model relates to the technical field of flue gas treatment, in particular to a dust removal and purification device for flue gas at the tail part of a sintering machine.
Background
The sintering machine is one of important equipment in metallurgical industry, and is used in producing block-shaped sintered ore with certain strength and metallurgical performance through physical and chemical change in certain high temperature environment. The flue gas generated at the tail part of the sintering machine has the following characteristics: the dust concentration is about 15-20 g/m; the average temperature of the flue gas is 80-150 ℃; the dust has high viscosity and humidity, fe 2O3 and FeO content of more than 50 percent, and has higher recovery value; the dust particles were larger and the average dust particle size was about 40 μm.
When dust removal treatment is carried out on flue gas at the tail part of the sintering machine, electric dust removal or cloth bag dust removal is generally adopted, when the electric dust removal is adopted, accidents such as short circuit and breakdown easily occur due to the change of conductive properties in a high-temperature environment, certain potential safety hazards exist in the use process, and when the cloth bag dust removal is adopted, the burning and blocking of the cloth bag are easily caused; secondly, because the flue gas contains moisture and acidic substances, the moisture and the acidic substances are combined to form acid easily, so that corrosion is caused to dust removal equipment, the service life of the equipment is reduced, in sum, the dust removal efficiency of the existing dust removal equipment is lower, the treatment effect is poor, and the treatment requirement of the flue gas at the tail part of the sintering machine cannot be met. Therefore, the dust removal and purification device for the tail flue gas of the sintering machine, which is high in working efficiency, good in dust removal effect and not easy to corrode, is required objectively.
Disclosure of utility model
The utility model aims to provide a dust removal and purification device for tail flue gas of a sintering machine, which has high working efficiency, good dust removal effect and difficult corrosion.
The utility model aims at realizing the method, the method comprises the steps of sequentially connecting a cyclone dust collector, a filter and a cloth bag dust collector, wherein the air inlet end of the cyclone dust collector is provided with a dehumidifier, the dehumidifier is internally provided with a cooling component and a dehumidifying component sequentially along the flue gas flow direction, the filter is internally divided into an ash storage chamber and a filter chamber by a partition board, the air outlet of the cyclone dust collector is communicated with the filter chamber, a shaking plate is arranged in the filter chamber, a vibrator is arranged on the lower surface of the shaking plate, a damping component is arranged between the shaking plate and the partition board, a plurality of layers of filter screens which are in a cover shape are sequentially arranged on the shaking plate from outside to inside at intervals, a plurality of ash discharge telescopic hoses are uniformly distributed in the annular area of the shaking plate between every two adjacent filter screens, a gate valve is arranged after the lower end of each ash discharge telescopic hose stretches into the ash storage chamber, the lower end of each ash discharge telescopic hose stretches out of the filter below the innermost filter screen and is communicated with the air inlet of the cloth bag dust collector.
Further, the mesh aperture of the filter screen is sequentially reduced from the outer layer to the inner layer.
Further, an ash guiding slope is arranged in an annular area of the shaking plate between two adjacent filter screens, the cross section of the ash guiding slope is in a conical shape with a big upper port and a small lower port, and the upper end of the ash discharging telescopic hose is communicated with the small conical port.
Further, active carbon is filled in a cavity formed between the filter screen at the innermost layer and the shaking plate.
Further, the shock absorbing assembly includes a plurality of springs uniformly arranged.
Further, a plurality of breather pipes which are crisscrossed vertically and horizontally and are communicated with each other are arranged on the inner wall of the filtering chamber, the breather pipes are communicated with the air inlet of the filtering chamber, and a plurality of air outlet holes are uniformly distributed on the inner side of the breather pipes.
Further, the filter screen comprises a vault and a straight section which are connected in sequence, and the lower end of the straight section is fixed on the shaking plate.
When the flue gas cooling device is operated, flue gas is firstly introduced into a dehumidifier, the flue gas is cooled by utilizing a cooling component, on one hand, the temperature of the flue gas is reduced, so that moisture in the flue gas is condensed to form liquid drops, on the other hand, waste heat in the flue gas is absorbed for recycling, then the liquid drops in the flue gas are absorbed by utilizing the dehumidifying component, further, the moisture is removed to form dry flue gas, then the dry flue gas is introduced into a cyclone dust collector, large-particle dust in the flue gas is removed by utilizing centrifugal force, and then the flue gas is introduced into a filter chamber of a filter, the flue gas sequentially passes through a multi-layer filter screen, the residual large-particle dust and part of fine-particle dust in the flue gas are filtered for multiple times, the filtered flue gas is discharged into the bag dust collector from an exhaust telescopic hose, and the residual dust in the flue gas is removed, and dust removal and purification of the flue gas are further completed. In the utility model, the cyclone dust collector, the filter and the cloth bag dust collector are sequentially utilized for filtering, so that large particles and small particle dust in the flue gas are sequentially removed, the dust removal efficiency is higher, the dust removal effect is good, the cooling assembly is used for cooling the flue gas, the temperature of the flue gas is reduced, the cloth bag is not burnt, the service life of the cloth bag can be prolonged, and the dust removal efficiency is improved; secondly, before dust removal treatment is carried out on the flue gas, moisture in the flue gas is removed by utilizing a dehumidifier, so that the possibility that the moisture in the flue gas and acidic substances are combined into acid is eliminated, the corrosion of the flue gas to dust removal equipment is effectively prevented, and the service life of the equipment is prolonged; finally, the filter is reasonable in structure, the structure of the multi-layer filter screen is adopted to filter the flue gas for multiple times, the filtering effect is good, the filter screen is in a vibration state when filtering dust, the dust adhered to the filter screen can be effectively vibrated, the blockage is prevented, and the filtering efficiency of the filter screen is improved. The utility model has high working efficiency, good dust removal effect, difficult corrosion and obvious economic and social values.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the filter 2 according to the present utility model;
In the figure: 1-cyclone dust collector, 2-filter, 3-bag dust collector, 4-dehumidifier, 5-cooling assembly, 6-dehumidification assembly, 7-baffle, 8-ash storage chamber, 9-filter chamber, 10-shaking plate, 11-vibrator, 12-shock-absorbing assembly, 13-filter screen, 14-ash discharge flexible hose, 15-exhaust flexible hose, 16-ash guiding slope, 17-active carbon and 18-breather pipe.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings, without limiting the utility model in any way, and any alterations or modifications based on the utility model are within the scope of the utility model.
As shown in fig. 1-2, the utility model comprises a cyclone dust collector 1, a filter 2 and a cloth bag dust collector 3 which are sequentially connected, wherein the cyclone dust collector 1 and the cloth bag dust collector 3 are the prior dust collecting equipment, the air inlet end of the cyclone dust collector 1 is provided with a dehumidifier 4, the dehumidifier 4 is internally provided with a cooling component 5 and a dehumidifying component 6 in sequence along the flue gas flow direction, the cooling component 5 and the dehumidifying component 6 are all of the prior structure, wherein the cooling component 5 is used for absorbing the waste heat in the flue gas, reducing the flue gas temperature, enabling the moisture in the flue gas to be condensed into liquid drops, the cooling component 5 can use a heat exchange tube structure, the flue gas waste heat is absorbed by introducing a cooling medium, other structural forms can also be used, the dehumidifying component 6 is used for absorbing the moisture and the liquid drops in the flue gas, the filter 2 is separated into a dust storage chamber 8 and a filter chamber 9 by a baffle 7, the air outlet of the cyclone dust collector 1 is communicated with the filter chamber 9, the filter chamber 9 is internally provided with a shaking plate 10, the lower surface of the shaking plate 10 is provided with a vibrator 11, when the vibrator 11 is started, vibration can be transmitted to the shaking plate 10 and a filter screen 13, a damping component 12 is arranged between the shaking plate 10 and a baffle 7, the damping component 12 is in the prior art and is used for absorbing the downward vibration and impact transmitted by the shaking plate 10, the damping component plays a role in buffering the filter 2, the shaking plate 10 is sequentially provided with a plurality of layers of cover-shaped filter screens 13 from outside to inside at intervals, the filter screen 13 is of a structure with an open lower end, in the utility model, the open end of the shaking plate is fixed with the shaking plate 10, a plurality of ash discharge telescopic hoses 14 are uniformly distributed in the annular area of the shaking plate 10 between every two adjacent filter screens 13, a gate valve is arranged after the lower end of each ash discharge telescopic hose 14 stretches into the ash storage chamber 8, after the filter 2 runs for a period of time, the dust accumulated on the shaking plate 10 is discharged, an exhaust telescopic hose 15 is arranged on the shaking plate 10 below the innermost filter screen 13, and the lower end of the exhaust telescopic hose 15 extends out of the filter 2 and is communicated with the air inlet of the bag-type dust collector 3.
When the flue gas cooling device is operated, flue gas is firstly introduced into the dehumidifier 4, the cooling component 5 is utilized to cool the flue gas, on one hand, the temperature of the flue gas is reduced, so that moisture in the flue gas is condensed to form liquid drops, on the other hand, waste heat in the flue gas is absorbed for recycling, then the dehumidifying component 6 is utilized to absorb the liquid drops in the flue gas, and then the moisture is removed to form dry flue gas, then the dry flue gas is introduced into the cyclone dust collector 1, large particle dust in the flue gas is removed by utilizing centrifugal force, and then the flue gas is introduced into the filter chamber 9 of the filter 2, the flue gas sequentially passes through the multi-layer filter screen 13, the residual large particle dust and part of fine particle dust in the flue gas are filtered for multiple times, the filtered flue gas is discharged into the cloth bag dust collector 3 from the exhaust telescopic hose 15, and the residual dust in the flue gas is removed, and dust removal and purification of the flue gas are further completed. In the utility model, the cyclone dust collector 1, the filter 2 and the cloth bag dust collector 3 are sequentially utilized for filtering, so that large particles and small particle dust in the flue gas are sequentially removed, the dust removing efficiency is higher, the dust removing effect is good, the cooling assembly 5 is also used for cooling the flue gas, the temperature of the flue gas is reduced, the cloth bag is not burnt, the service life of the cloth bag can be prolonged, and the dust removing efficiency is improved; secondly, before dust removal treatment is carried out on the flue gas, the moisture in the flue gas is removed by utilizing the dehumidifier 4, so that the possibility that the moisture and acidic substances in the flue gas are combined into acid is eliminated, the corrosion of the flue gas to dust removal equipment is effectively prevented, and the service life of the equipment is prolonged; finally, filter 2 is rational in infrastructure, has adopted the structure of multilayer filter screen 13 to carry out the multiple filtration to the flue gas, and the filter effect is better, and is in vibration state when filter screen 13 filters the dust, can effectively shake the dust of falling the adhesion on filter screen 13, prevents to block up, and then improves the filtration efficiency of filter screen 13.
After flue gas gets into filter chamber 9, can be from outside to interior through multilayer filter screen 13 in proper order, in order to improve the filtration efficiency of filter screen 13, the mesh aperture of filter screen 13 reduces in proper order from outer to inlayer, and the great dust of granule is filtered by outer filter screen 13, and the dust that the granule is little is filtered by inside one deck filter screen 13, and so on, earlier the big dust of filtering granule, then the granule that the filtering granule is little carries out the hierarchical filtration to the dust, can improve the filtration efficiency of dust in the flue gas.
The annular area of the shaking plate 10 between two adjacent filter screens 13 is internally provided with a dust guide slope 16, the cross section of the dust guide slope 16 is in a conical shape with a big upper port and a small lower port, the upper end of the dust discharge telescopic hose 14 is communicated with the conical small port, impurities filtered by the filter screens 13 continuously fall down and are gradually accumulated on the shaking plate 10 and discharged from the dust discharge telescopic hose 14, but more accumulated dust is accumulated at corners between the shaking plate 10 and the filter screens 13, so that dust cannot be discharged completely, the dust guide slope 16 is arranged for discharging all dust, and the dust can slide into the dust discharge telescopic hose 14 along the dust guide slope 16 after falling down, so that the dust is discharged.
The active carbon 17 is filled in the cavity formed between the filter screen 13 at the innermost layer and the shaking plate 10, when the smoke sequentially passes through the filter screens 13 at the multiple layers and finally enters the cavity formed by the filter screen 13 at the innermost layer and the shaking plate 10, dust and various toxic and harmful substances in the smoke can be further filtered through the active carbon 17, and peculiar smell in the smoke can be absorbed.
Preferably, the damping component 12 comprises a plurality of uniformly arranged springs, when the filter 2 filters smoke and dust, the vibrator 11 is in an open state, the filter screen 13 is driven to vibrate, the shaking plate 10 is driven to vibrate, the springs are arranged for reducing the influence of the vibration on the whole equipment, the spring is simple in structure and convenient to use, the purchase cost is low, the vibration and impact can be absorbed, and the influence of the vibration on the whole filter 2 is further reduced.
A plurality of breather pipes 18 which are crisscrossed and mutually communicated are arranged on the inner wall of the filtering chamber 9, the breather pipes 18 are communicated with the air inlets of the filtering chamber 9, a plurality of air outlet holes are uniformly distributed on the inner side of the breather pipes 18, flue gas directly rushes into the filtering chamber 9, dust particles in the flue gas can strike a filter screen 13 opposite to the air inlets, and the filter screen 13 can be damaged, deformed and even broken down for a long time; secondly, the flue gas is introduced into the filtering chamber 9 from one direction, so that the problem of uneven air flow distribution also exists, and the filtering efficiency of the filter screen 13 is affected. In order to solve the problems, the vent pipe 18 is arranged, the flue gas is sprayed out from each part in the filter chamber 9 through the vent pipe 18, the purpose of uniform flue gas flow is achieved, the filtering efficiency of the filter screen 13 is improved, meanwhile, the flue gas flows through the vent pipe 18 and is sprayed out from the air outlet, the flue gas is split, the sprayed air flow is smaller, the air flow speed is slower, the impact of dust in the flue gas on the filter screen 13 is greatly reduced, and the service life of the filter screen 13 is prolonged.
The filter screen 13 comprises a vault and a straight section which are sequentially connected, the lower end of the straight section is fixed on the shaking plate 10, the top of the cover-shaped filter screen 13 is provided with a vault structure, and compared with the vault structure, the cover-shaped filter screen has a larger area, and in the utility model, the cover-shaped filter screen has a larger filtering area, so that the filtering efficiency of dust in flue gas can be improved.
When the filter screen 13 is in actual use, the filter screen 13 positioned at the outermost layer firstly filters flue gas and dust, and the filtered dust falls onto the partition plate 7, so that the dust can be conveniently discharged, and a dust discharge pipe can be arranged on the side wall of the filter chamber 9 above the partition plate 7 to timely discharge the dust, so that the dust is prevented from being accumulated too thick and the normal operation of equipment is prevented from being influenced.
Claims (7)
1. The utility model provides a sintering machine tail flue gas dust removal purifier, includes cyclone (1), filter (2) and sack cleaner (3) that connect gradually, wherein the inlet end of cyclone (1) is provided with dehumidifier (4), has set gradually cooling module (5) and dehumidification subassembly (6) along the flue gas flow direction in dehumidifier (4), separate into ash storage room (8) and filter chamber (9) through baffle (7) in filter (2), the gas outlet and the filter chamber (9) intercommunication of cyclone (1), be provided with vibrating plate (10) in filter chamber (9), install vibrator (11) on the lower surface of vibrating plate (10), be provided with damper (12) between vibrating plate (10) and baffle (7), be provided with filter screen (13) that the multilayer is the bell-shaped in proper order interval from the outside on vibrating plate (10), all circumference equipartition has a plurality of ash discharge flexible hose (14) in the annular region between every adjacent two filter screen (13), and ash discharge flexible hose (14) lower end stretches into in the filter screen (8) and stretches into in the layer (15) of the back flexible hose that stretches out and stretches into in the filter screen (13), the lower end of the exhaust telescopic hose (15) extends out of the filter (2) and is communicated with the air inlet of the bag-type dust collector (3).
2. The dust-removing and purifying device for flue gas at the tail part of a sintering machine according to claim 1, wherein the mesh diameter of the filter screen (13) is sequentially reduced from the outer layer to the inner layer.
3. The dust removing and purifying device for flue gas at the tail part of a sintering machine according to claim 1, wherein an ash guiding slope (16) is arranged in an annular area of a shaking plate (10) between two adjacent filter screens (13), the cross section of the ash guiding slope (16) is in a conical shape with a big upper port and a small lower port, and the upper end of the ash discharging telescopic hose (14) is communicated with the conical small port.
4. The dust-removing and purifying device for flue gas at the tail part of a sintering machine according to claim 1, wherein the cavity formed between the filter screen (13) at the innermost layer and the shaking plate (10) is filled with activated carbon (17).
5. A sintering machine tail flue gas dust removal and purification device as set forth in claim 1, wherein said damper assembly (12) comprises a plurality of uniformly arranged springs.
6. The dust-removing and purifying device for flue gas at the tail part of a sintering machine according to claim 1, wherein a plurality of ventilation pipes (18) which are crisscrossed and mutually communicated are arranged on the inner wall of the filtering chamber (9), the ventilation pipes (18) are communicated with the air inlet of the filtering chamber (9), and a plurality of air outlet holes are uniformly distributed on the inner side of the ventilation pipes (18).
7. The dust-removing and purifying device for flue gas at the tail part of a sintering machine according to claim 1, wherein the filter screen (13) comprises a vault and a straight section which are sequentially connected, and the lower end of the straight section is fixed on the shaking plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322811849.4U CN221301995U (en) | 2023-10-19 | 2023-10-19 | Sintering machine tail flue gas dust removal purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322811849.4U CN221301995U (en) | 2023-10-19 | 2023-10-19 | Sintering machine tail flue gas dust removal purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221301995U true CN221301995U (en) | 2024-07-09 |
Family
ID=91757691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322811849.4U Active CN221301995U (en) | 2023-10-19 | 2023-10-19 | Sintering machine tail flue gas dust removal purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221301995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118876292A (en) * | 2024-09-27 | 2024-11-01 | 安徽绿德孚环保科技有限公司 | A dust separation crusher for plastic recycling |
-
2023
- 2023-10-19 CN CN202322811849.4U patent/CN221301995U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118876292A (en) * | 2024-09-27 | 2024-11-01 | 安徽绿德孚环保科技有限公司 | A dust separation crusher for plastic recycling |
| CN118876292B (en) * | 2024-09-27 | 2025-01-03 | 安徽绿德孚环保科技有限公司 | A dust separation crusher for plastic recycling |
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