CN210786598U - Electric filter screen device for wet dust of flue gas - Google Patents
Electric filter screen device for wet dust of flue gas Download PDFInfo
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- CN210786598U CN210786598U CN201921178297.5U CN201921178297U CN210786598U CN 210786598 U CN210786598 U CN 210786598U CN 201921178297 U CN201921178297 U CN 201921178297U CN 210786598 U CN210786598 U CN 210786598U
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Abstract
The utility model provides an electric filter screen device for wet dust in flue gas, which relates to the field of flue gas dust removal equipment, and comprises at least one set of filter screen unit and dust hoppers arranged at two sides of a flue, wherein the filter screen unit comprises a filter screen, a driving motor, a driving transmission shaft, a driven transmission shaft and a plurality of sets of dust blowing assemblies; the filter screen can be cleaned on line, so that the cleaning time and the workload are reduced, the blocking period of the GGH flue gas heat exchanger is prolonged, and the sintered ore yield loss caused by cleaning the GGH flue gas heat exchanger is indirectly reduced; the utility model discloses a material is ordinary easily to draw materials, the cost is less, and the air volume of filter screen is big moreover, the resistance is little, can conveniently change.
Description
Technical Field
The utility model relates to a flue gas dust collecting equipment field especially relates to an electronic filter unit of wet dust of flue gas.
Background
Because of the environmental protection requirement, the flue gas emission of the sintering machine is controlled by the index of nitrogen oxide, so in recent years, a denitration system needs to be configured for the sintering system, if the original wet desulphurization process is generally adopted, the SCR denitration process is arranged after desulphurization, a GGH flue gas heat exchanger is needed to recover the heat of clean flue gas (before denitration) for heating the original flue gas (flue gas after desulphurization), and the energy consumption is reduced; along with the reduction of former flue gas temperature, the better absorption of sulfur dioxide among the existing absorption tower that does benefit to has also reduced the harm of high-temperature gas to corrosion-resistant material or equipment in the absorption tower, but contain a large amount of moisture dust in the wet flue gas desulfurization flue gas, can cause GGH gas heater's import to block up, cause GGH gas heater's pressure drop to rise, lead to entire system's resistance increase, will cause sintering owner air exhauster air door can not open entirely when the fan wind pressure is not enough, make the amount of wind reduce, probably influence the sintering ore output of sintering plant.
At present, the equipment for removing dust of sintering main smoke exhaust mainly comprises electrostatic dust removal, wet type electric dust removal and the like, but the equipment is expensive in manufacturing cost and large in engineering quantity during transformation, and a small burden is caused to enterprises.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide an electronic filter unit for driving wet dust in the flue gas.
The utility model discloses a realize through following technical scheme: the utility model provides an electronic filter unit of wet dust of flue gas, including at least a set of filter unit and two sets of ash buckets of locating the flue both sides, filter unit is located between two sets of ash buckets, filter unit includes the filter screen, driving motor, the initiative transmission shaft, driven transmission shaft and multiunit soot blowing subassembly, the central axis of initiative transmission shaft and driven transmission shaft parallels, the filter screen is walked around initiative transmission shaft and driven transmission shaft in proper order and is formed the confined annular, initiative transmission shaft and driven transmission shaft are located the ash bucket of flue both sides respectively, driving motor drive initiative transmission shaft rotates, the initiative transmission shaft passes through the filter screen and drives driven transmission shaft and rotate, the main part of filter screen is located the flue, soot blowing subassembly is located the ash bucket, soot blowing subassembly cleans the wet dust of adhesion on.
According to the technical scheme, preferably, when a plurality of groups of filter screen units are arranged, the filter screen units are arranged in series along the flowing direction of the flue gas, and the number of the filter screens of the filter screen units is increased progressively.
According to the technical scheme, preferably, the ash bucket is provided with a plurality of groups of scraper brushes at the position of the filter screen, and the scraper brushes are used for cleaning wet dust which is conveyed to the filter screen on the outer side of the flue.
According to the technical scheme, the ash hopper preferably seals the driving transmission shaft, the driven transmission shaft, the filter screen and the ash blowing assembly.
According to the technical scheme, preferably, chains are fixedly arranged on two sides of the filter screen, and gears matched with the chains are arranged on the driving transmission shaft and the driven transmission shaft.
According to above-mentioned technical scheme, preferably, interval fixedly connected with bracing piece on the filter screen.
According to the technical scheme, preferably, a supporting frame for supporting the filter screen is arranged between the driving transmission shaft and the driven transmission shaft, and the supporting frame is fixedly connected with the inner wall of the flue.
According to the technical scheme, the soot blowing assembly is preferably a water flushing assembly or an air blowing assembly.
According to the technical scheme, preferably, the driving motor is a variable frequency motor and is provided with a manual handle.
The utility model has the advantages that:
(1) the utility model has obvious dust dehumidification effect, and can effectively reduce the content of moisture-containing particles in the sintering exhaust smoke, thereby further meeting the environmental protection requirement; the filter screen can be cleaned on line, so that the cleaning time and the workload are reduced, the blocking period of the GGH flue gas heat exchanger is prolonged, and the sintered ore yield loss caused by cleaning the GGH flue gas heat exchanger is indirectly reduced;
(2) the utility model discloses a material is ordinary easily to draw materials, the cost is less, and the air volume of filter screen is big moreover, the resistance is little, can conveniently change.
Drawings
Fig. 1 shows a schematic front view of an embodiment according to the present invention, which comprises a set of sieve units.
Fig. 2 shows a schematic top view of an embodiment according to the present invention, which comprises a set of sieve units.
Fig. 3 shows a schematic top view of an embodiment according to the present invention, which comprises multiple sets of screen units.
In the figure: 1. a filter unit; 101. filtering with a screen; 1011. a chain; 1012. a support bar; 102. a drive motor; 103. a drive transmission shaft; 104. a driven transmission shaft; 105. a soot blowing assembly; 2. a flue; 3. an ash hopper; 4. a scraper blade brush; 5. a gear; 6. a support frame; 7. a dust guide plate; A. flue gas.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figure, the utility model provides an electric filter screen device for wet dust in flue gas, which comprises at least one set of filter screen unit 1 and two sets of ash hoppers 3 arranged at two sides of a flue 2, wherein the filter screen unit 1 is positioned between the two sets of ash hoppers 3, the filter screen unit 1 comprises a filter screen 101 and a driving motor 102, the dust blowing device comprises a driving transmission shaft 103, a driven transmission shaft 104 and a plurality of groups of dust blowing assemblies 105, the central axes of the driving transmission shaft 103 and the driven transmission shaft 104 are parallel, a filter screen 101 sequentially bypasses the driving transmission shaft 103 and the driven transmission shaft 104 to form a closed ring, the driving transmission shaft 103 and the driven transmission shaft 104 are respectively positioned in dust hoppers 3 at two sides of a flue 2, a driving motor 102 drives the driving transmission shaft 103 to rotate, the driving transmission shaft 103 drives the driven transmission shaft 104 to rotate through the filter screen 101, the main body part of the filter screen 101 is positioned in the flue 2, the dust blowing assemblies 105 are positioned in the dust hoppers 3, and the dust blowing assemblies 105 clean wet dust adhered to the filter.
The specific working process is as follows:
the utility model provides a filter screen 101 walks around initiative transmission shaft 103 and driven transmission shaft 104 in proper order and forms the confined annular, driving motor 102 drive initiative transmission shaft 103 rotates, driving transmission shaft 103 and driven transmission shaft 104 drive filter screen 101 under driving motor 102's drive and rotate, because the main part of filter screen unit 1 is located flue 2, when filter screen 101 rotates to flue 2 in, filter screen 101 adsorbs the wet dust in the flue gas A, then the filter screen that adheres to wet dust rotates to the ash bucket 3 in, locate the wet dust that ash blowing subassembly 105 in the ash bucket 3 will adhere to on filter screen 101 and clean to the ash bucket 3 in, then clean the filter screen 101 of accomplishing and rotate to flue 2 again, and adsorb wet dust again, the circulation is reciprocal, wet dust is handled in the flue gas A.
According to the above embodiment, preferably, when a plurality of sets of the filter screen units 1 are provided, the filter screen units 1 are arranged in series along the flow direction of the flue gas a, and the mesh number of the filter screens 101 of the filter screen units 1 is increased progressively, so as to enhance the dust removal effect gradually; and an inclined dust guide plate 7 is arranged between the two groups of filter screen units 1, and the dust guide plate 7 is used for preventing wet dust of the upper-layer filter unit from falling on the lower-layer filter unit.
According to the above embodiment, preferably, a plurality of sets of scraper brushes 4 are arranged in the ash hopper 3 at the filter screen 101, and the scraper brushes 4 are used for cleaning wet dust attached to the filter screen 101 conveyed to the outer side of the flue 2, and further mechanically moving the wet dust adsorbed on the filter screen 101 out of the filter screen 101, so as to enhance the cleaning effect.
According to the above embodiment, preferably, the ash bucket 3 seals the driving transmission shaft 103, the driven transmission shaft 104, the filter screen 101 and the soot blowing assembly 105 to prevent the flue gas a from leaking or sucking air, and the ash bucket 3 is used for storing cleaned dust, and the dust falling into the ash bucket 3 is periodically discharged and cleaned.
According to the above embodiment, preferably, chains 1011 are installed on two sides of the filter screen 101, the driving transmission shaft 103 and the driven transmission shaft 104 are provided with the gears 5 matched with the chains 1011, the chains 1011 can stably drive the filter screen 101 to rotate as a whole, the chains 1011 are matched with the gears 5, the filter screen 101 can be driven to rotate at a constant speed, and friction loss between the filter screen 101 and the driving transmission shaft 103 and the driven transmission shaft 104 is reduced.
According to the above embodiment, preferably, the filter screen 101 is fixedly connected with the supporting rods 1012 at equal intervals, and the supporting rods 1012 are used for reinforcing the filter screen 101, so as to prolong the service life of the filter screen.
According to the above embodiment, preferably, a supporting frame 6 for supporting the filter screen 101 is disposed between the driving transmission shaft 103 and the driven transmission shaft 104, and the supporting frame 6 is fixedly connected to the inner wall of the flue 2.
According to the above embodiment, the soot blowing assembly 105 is preferably a water flushing assembly or an air blowing assembly, both of which soot blowing assemblies 105 are capable of cleaning wet dust on the screen 101, and are installed in the field in consideration of actual conditions.
According to the above embodiment, the driving motor 102 is preferably a variable frequency motor, and is provided with a manual handle, so as to facilitate operations such as speed regulation and maintenance for workers.
The utility model has the advantages that:
(1) the utility model has obvious dust dehumidification effect, and can effectively reduce the content of moisture-containing particles in the sintering emission flue gas A, thereby further meeting the environmental protection requirement; the filter screen 101 can be cleaned on line, so that the cleaning time and the workload are reduced, the blocking period of the GGH flue gas heat exchanger is prolonged, and the sintered ore yield loss caused by cleaning the GGH flue gas heat exchanger is indirectly reduced;
(2) the utility model discloses a material is ordinary easily to draw materials, the cost is less, and filter screen 101's air volume is big moreover, the resistance is little, can conveniently change.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides an electronic filter unit of wet dust of flue gas, a serial communication port, the ash bucket of including at least a set of filter screen unit and locating the flue both sides, filter screen unit includes filter screen, driving motor, initiative transmission shaft, driven transmission shaft and multiunit soot blower assembly, the central axis of initiative transmission shaft and driven transmission shaft parallels, the filter screen is walked around initiative transmission shaft and driven transmission shaft in proper order and is formed confined annular, initiative transmission shaft and driven transmission shaft are located the ash bucket of flue both sides respectively, driving motor drive initiative transmission shaft rotates, the initiative transmission shaft passes through the filter screen and drives driven transmission shaft and rotate, the main part of filter screen is located the flue, soot blower assembly is located in the ash bucket, soot blower assembly cleans the wet dust of adhesion on the filter screen to the ash bucket in.
2. The electric filter screen device for wet dust in flue gas of claim 1, wherein when a plurality of sets of filter screen units are provided, the filter screen units are arranged in series along the flow direction of flue gas, and the number of filter screens of the filter screen units increases.
3. The electric filter screen device for the wet dust in flue gas of claim 2, wherein the ash hopper is provided with a plurality of groups of scraper brushes at the filter screen, and the scraper brushes are used for cleaning the wet dust attached to the filter screen conveyed to the outer side of the flue.
4. The electric wet flue gas dust screen assembly of claim 3 wherein the hopper seals the drive shaft, the driven shaft, the screen and the soot blowing assembly.
5. The electric filter screen device for wet flue gas and dust according to claim 4, wherein chains are fixed on two sides of the filter screen, and gears matched with the chains are arranged on the driving transmission shaft and the driven transmission shaft.
6. The electric filter screen device for wet flue gas dust as claimed in claim 5, wherein the filter screen is fixedly connected with support rods at intervals.
7. The electric filter screen device for wet flue gas and dust of claim 6, wherein a support frame for supporting the filter screen is arranged between the driving transmission shaft and the driven transmission shaft, and the support frame is fixedly connected with the inner wall of the flue.
8. The electric smoke wet dust filter screen device as claimed in claim 7, wherein the soot blowing assembly is a water washing assembly or an air purging assembly.
9. The electric wet flue gas dust filter screen assembly of claim 1, wherein said drive motor is a variable frequency motor and is provided with a manual handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921178297.5U CN210786598U (en) | 2019-07-25 | 2019-07-25 | Electric filter screen device for wet dust of flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921178297.5U CN210786598U (en) | 2019-07-25 | 2019-07-25 | Electric filter screen device for wet dust of flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210786598U true CN210786598U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921178297.5U Active CN210786598U (en) | 2019-07-25 | 2019-07-25 | Electric filter screen device for wet dust of flue gas |
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| CN (1) | CN210786598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114931836A (en) * | 2022-06-28 | 2022-08-23 | 净呼吸生物科技有限公司 | Dust collector for sanitary towel production line |
-
2019
- 2019-07-25 CN CN201921178297.5U patent/CN210786598U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114931836A (en) * | 2022-06-28 | 2022-08-23 | 净呼吸生物科技有限公司 | Dust collector for sanitary towel production line |
| CN114931836B (en) * | 2022-06-28 | 2023-05-12 | 净呼吸生物科技有限公司 | Dust collector for sanitary towel production line |
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