CN213325635U - Flue gas dust removal system based on pneumatic conveying - Google Patents
Flue gas dust removal system based on pneumatic conveying Download PDFInfo
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- CN213325635U CN213325635U CN202022052959.3U CN202022052959U CN213325635U CN 213325635 U CN213325635 U CN 213325635U CN 202022052959 U CN202022052959 U CN 202022052959U CN 213325635 U CN213325635 U CN 213325635U
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Abstract
The utility model discloses a flue gas dust removal system based on pneumatic conveying, which belongs to the technical field of dust removal equipment, and adopts the technical scheme that the flue gas dust removal system comprises an ash storehouse and a plurality of conveying units communicated with the ash storehouse, wherein the plurality of conveying units all supply air through a Roots blower, each conveying unit comprises a plurality of ash bucket units, the plurality of ash bucket units all comprise an ash bucket, a spiral gate valve and a continuous conveying pump which are sequentially communicated, and the plurality of ash bucket units are sequentially connected in series through the continuous conveying pump; the continuous delivery pumps in the ash bucket units are all communicated with and provided with regulating valve assemblies, the regulating valve assemblies are sequentially connected in parallel, and each regulating valve assembly comprises a check valve and a regulating valve which are sequentially communicated with the continuous delivery pumps; the utility model provides a flue gas dust pelletizing system based on pneumatic conveying realizes discharging the collection of a large amount of smoke and dust, satisfies the demand that a large amount of smoke and dust of iron works were handled, reduces setting up of roots's fan and uses, has improved work efficiency and energy-conservation.
Description
Technical Field
The utility model belongs to the technical field of dust collecting equipment, concretely relates to flue gas dust pelletizing system based on air conveying.
Background
The fly ash captured by the dust remover needs to be transported and stored in a boiler system. At present, the pneumatic conveying is the main mode of conveying the fly ash of the existing boiler. Along with the improvement of national environmental protection standard, the dust purification that produces in the boiler waste gas receives people's attention more and more, boiler fly ash retrieves and comprehensive utilization's consciousness strengthens gradually, flue gas dust pelletizing system among the prior art adopts single or several ash bucket units to remove dust usually, to the boiler system of high strength, can not satisfy the needs of actual production far away, the dust removal of flue gas becomes the first scheduling problem of ironmaking production, therefore, the dust pelletizing system that can effectual solution huge dust removal scale is urgent to wait to develop, satisfy the needs of ironmaking production from this.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flue gas dust pelletizing system based on pneumatic conveying, a plurality of conveying unit connect in parallel each other and become a deposition system, realize discharging the collection of a large amount of smoke and dust, satisfy the demand that a large amount of smoke and dust of iron works were handled, reduce roots's fan's use simultaneously, have improved work efficiency and energy-conservation.
The utility model aims at realizing the effect, which comprises an ash storehouse and a plurality of conveying units communicated with the ash storehouse, wherein the plurality of conveying units all supply air through a Roots blower, each conveying unit comprises a plurality of ash bucket units, the plurality of ash bucket units all comprise an ash bucket, a spiral gate valve and a continuous conveying pump which are sequentially communicated, and the plurality of ash bucket units are sequentially connected in series through the continuous conveying pump; it is a plurality of continuous delivery pump in the ash bucket unit all communicates and is provided with adjusting valve subassembly, and is a plurality of adjusting valve subassembly connects in parallel in proper order sets up, adjusting valve subassembly includes in proper order with check valve and the governing valve that continuous delivery pump intercommunication set up.
The beneficial effects of the utility model are embodied in:
1. the utility model discloses in, carry out the dust through setting up a plurality of conveying units and collect the emission to make conveying unit establish ties by a plurality of ash bucket units and communicate the setting, from this under the blast action of roots's fan, make a conveying unit just can realize collecting a large amount of smoke and dust, a plurality of conveying units connect in parallel each other and become a deposition system, realize collecting the emission to a large amount of smoke and dust, satisfy the demand that a large amount of smoke and dust of iron works were handled, reduce roots's fan's use simultaneously, avoided prior art, the problem of inefficiency that a roots's fan brought to an ash bucket effect; meanwhile, the plurality of ash bucket units are connected in series and communicated to form a conveying unit and an ash storehouse to be communicated to realize dust removal, each ash bucket unit is provided with a continuous conveying pump and an adjusting valve assembly, each independent ash bucket unit has control over wind power and flow, the dust collecting function of each ash bucket unit can be adjusted and controlled, the whole system can process a large amount of dust and has the function of accurate adjustment and control, the operation of the whole system is sensitive, and the requirement for realizing work and production is met.
2. The utility model discloses in, be provided with four groups, two sets of with conveying unit's input and 1 roots fan intercommunication setting, conveying unit includes 7 ash bucket units, under the shorter condition of conveying distance, because pipeline investment cost is low, consequently every conveying unit respectively arranges an ash conveying pipe and ash storehouse intercommunication, can save to manage altogether and arrange required pneumatic wear-resisting gate valve, reduces the use of pneumatic wear-resisting gate valve for entire system's operation convenience more.
3. The utility model discloses in, with each group all be provided with pneumatic butterfly valve between conveying unit and the roots's fan, each group from this all can control between conveying unit and the roots's fan, can realize the use control to conveying unit, conveying unit can be alone one or more parallelly connected use together, satisfies the needs of actual production from this for entire system's function has more the flexibility.
4. The utility model discloses in, through with a plurality of conveying unit communicate with the ash storehouse through unloading the ash case for during the dust of collection more can be smooth and easy gets into the ash storehouse, thereby reduce the wearing and tearing that the impact of dust to the ash storehouse brought, pressure vacuum relief valve can realize carrying out effectual regulation to ash storehouse internal pressure.
5. The utility model discloses in, it is a plurality of the elbow that the conveyer pipe that the ash bucket unit carries out intercommunication is compound ceramic elbow, can reduce the dust in transportation process to the wearing and tearing that the impact of pipeline curved portion brought to improve the life of pipeline.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of the overall structure of the dust removing system of the present invention;
fig. 2 is a schematic view of the ash bucket unit structure of the present invention.
In the attached drawing, 1-ash storehouse, 2-conveying unit, 3-Roots blower, 4-ash bucket unit, 5-ash bucket, 6-spiral gate valve, 7-continuous conveying pump, 8-regulating valve component, 9-check valve, 10-regulating valve, 11-pneumatic butterfly valve, 12-ash discharging box, 13-pressure vacuum release valve and 14-bin top bag-type dust remover.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
A flue gas dust removal system based on pneumatic conveying comprises an ash storehouse 1 and a plurality of conveying units 2 communicated with the ash storehouse 1, wherein the plurality of conveying units 2 all supply air through a Roots blower 3, each conveying unit 2 comprises a plurality of ash bucket units 4, each ash bucket unit 4 comprises an ash bucket 5, a spiral gate valve 6 and a continuous conveying pump 7 which are sequentially communicated, and the plurality of ash bucket units 4 are sequentially connected in series through the continuous conveying pump 7; the continuous delivery pumps 7 in the ash bucket units 4 are all communicated with an adjusting valve assembly 8, the adjusting valve assemblies 8 are sequentially arranged in parallel, and each adjusting valve assembly 8 comprises a check valve 9 and an adjusting valve 10 which are sequentially communicated with the continuous delivery pump 7; the dust is collected and discharged by arranging the plurality of conveying units 2, and the conveying units 2 are communicated in series by the plurality of dust hopper units 4, so that under the blast action of the Roots blower 3, a large amount of smoke can be collected by one conveying unit 2, the plurality of conveying units 2 are connected in parallel to form a dust deposition system, the collection and discharge of a large amount of smoke are realized, the requirement of treating a large amount of smoke in an iron works is met, meanwhile, the use of the Roots blower 3 is reduced, and the problem of low efficiency caused by the action of one Roots blower 3 on one dust hopper 5 in the prior art is solved; meanwhile, as the plurality of ash bucket units 4 are connected in series and communicated to form the conveying unit 2 to be communicated with the ash storehouse 1 to realize dust removal, each ash bucket unit 4 is provided with the continuous conveying pump 7 and the adjusting valve assembly 8, so that each independent ash bucket unit 4 has the control of wind power and flow, and the dust collecting function of the ash bucket unit 4 can be regulated and controlled, therefore, the whole system has the function of precise regulation and control while treating a large amount of dust, the operation of the whole system has high sensitivity, and the requirement for realizing work and production is met.
The conveying units 2 are provided with four groups, the output ends of every two groups of conveying units 2 are communicated with the ash storehouse 1, the input ends of every two groups of conveying units 2 are communicated with 1 Roots blower 3, and each conveying unit 2 comprises 7 ash bucket units 4; be provided with four groups with conveying unit 2, two sets of conveying unit 2's input and 1 roots blower 3 intercommunication sets up, conveying unit 2 includes 7 ash bucket units 4, under the shorter condition of conveying distance, because the pipeline investment cost is low, consequently every conveying unit 2 respectively arranges an ash conveying pipe and ash storehouse 1 intercommunication, can save to arrange required pneumatic wear-resisting gate valve altogether, reduce the use of pneumatic wear-resisting gate valve, make entire system's operation convenience more.
A pneumatic butterfly valve 11 is arranged between each group of the conveying units 2 and the Roots blower 3; the pneumatic butterfly valve 11 is arranged between each group of conveying units 2 and the Roots blower 3, so that each group of conveying units 2 and the Roots blower 3 can be controlled, the conveying units 2 can be used and controlled, the conveying units 2 can be used in parallel independently or together, the requirement of actual production is met, and the operation of the whole system is flexible.
The ash storehouse 1 comprises an ash discharging box 12, a pressure vacuum release valve 13 and a storehouse top bag-type dust collector 14 which are arranged at the upper end of the ash storehouse 1, wherein the ash discharging box 12 is communicated with the output end of the conveying unit 2; through communicating a plurality of conveying units 2 with ash storehouse 1 through unloading grey case 12 for the dust of collecting more smoothly gets into in the ash storehouse 1, thereby reduces the wearing and tearing that the impact of dust to ash storehouse 1 brought, and pressure vacuum relief valve 13 can realize carrying out effectual regulation to ash storehouse 1 internal pressure.
The pressure P =0.4-0.6MPa and the air quantity is 0.2-0.7m3/min when the bag-type dust collector 14 at the top of the bin works.
The elbows of the conveying pipes communicated with the ash bucket units 4 are composite ceramic elbows, and the curvature radius R =1.5 m; the elbows of the conveying pipes communicated by the plurality of ash bucket units 4 are composite ceramic elbows, so that abrasion caused by impact of dust on the bent parts of the pipelines in the conveying process can be reduced, and the service life of the pipelines is prolonged.
The air volume of the Roots blower 3 is 24.1m3Min, wind pressure 78.4KPa, power 55 KW.
The filter area of the bag-type dust collector at the top of the bin is 36m2The treated air volume is 28.8m3/min。
The utility model discloses a theory of operation and work engineering:
the dust is collected and discharged by arranging the plurality of conveying units 2, and the conveying units 2 are communicated in series by the plurality of dust hopper units 4, so that under the blast action of the Roots blower 3, a large amount of smoke can be collected by one conveying unit 2, the plurality of conveying units 2 are connected in parallel to form a dust deposition system, the collection and discharge of a large amount of smoke are realized, the requirement of treating a large amount of smoke in an iron works is met, meanwhile, the use of the Roots blower 3 is reduced, and the problem of low efficiency caused by the action of one Roots blower 3 on one dust hopper 5 in the prior art is solved; meanwhile, as the plurality of ash bucket units 4 are connected in series and communicated to form the conveying unit 2 to be communicated with the ash storehouse 1 to realize dust removal, each ash bucket unit 4 is provided with the continuous conveying pump 7 and the adjusting valve assembly 8, so that each independent ash bucket unit 4 has the control of wind power and flow, and the dust collecting function of the ash bucket unit 4 can be regulated and controlled, therefore, the whole system has the function of precise regulation and control while treating a large amount of dust, the operation of the whole system has high sensitivity, and the requirement for realizing work and production is met.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (8)
1. The utility model provides a flue gas dust pelletizing system based on pneumatic conveying, includes ash storehouse (1), a plurality of conveying unit (2) that set up with ash storehouse (1) intercommunication, it is a plurality of conveying unit (2) all supply air through roots's fan (3), its characterized in that: the conveying unit (2) comprises a plurality of ash bucket units (4), each ash bucket unit (4) comprises an ash bucket (5), a spiral gate valve (6) and a continuous conveying pump (7) which are sequentially communicated, and the ash bucket units (4) are sequentially arranged in series through the continuous conveying pumps (7); a plurality of continuous delivery pump (7) in ash bucket unit (4) all communicate and are provided with regulating valve subassembly (8), and are a plurality of regulating valve subassembly (8) connect in parallel in proper order sets up, regulating valve subassembly (8) are including check valve (9) and governing valve (10) that set up with continuous delivery pump (7) intercommunication in proper order.
2. The pneumatic transmission-based flue gas dust removal system according to claim 1, wherein: the conveying units (2) are provided with four groups, the output ends of every two groups of conveying units (2) are communicated with the ash storehouse (1), the input ends of every two groups of conveying units (2) are communicated with 1 Roots blower (3), and each conveying unit (2) comprises 7 ash bucket units (4).
3. The flue gas dust removal system based on pneumatic transmission of claim 2, wherein: and a pneumatic butterfly valve (11) is arranged between each group of the conveying units (2) and the Roots blower (3).
4. The flue gas dust removal system based on pneumatic transmission according to any one of claims 1 to 3, wherein: the ash storehouse (1) comprises an ash discharging box (12) arranged at the upper end of the ash storehouse (1), a pressure vacuum release valve (13) and a storehouse top bag-type dust collector (14), wherein the ash discharging box (12) is communicated with the output end of the conveying unit (2).
5. The pneumatic transmission-based flue gas dust removal system according to claim 4, wherein: the pressure P =0.4 when the bag-type dust collector (14) at the top of the bin works0.6MPa, and air quantity of 0.2-0.7m3/min。
6. The pneumatic transmission-based flue gas dust removal system according to claim 4, wherein: the elbows of the conveying pipes communicated with the ash bucket units (4) are composite ceramic elbows, and the curvature radius R =1.5 m.
7. The pneumatic transmission-based flue gas dust removal system according to claim 5, wherein: the air volume of the Roots blower (3) is 24.1m3The air pressure is 78.4KPa and the power is 55 kW.
8. The pneumatic transmission-based flue gas dust removal system according to claim 5, wherein: the filter area of the bag-type dust collector at the top of the bin is 36m2The treated air volume is 28.8m3/min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022052959.3U CN213325635U (en) | 2020-09-18 | 2020-09-18 | Flue gas dust removal system based on pneumatic conveying |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022052959.3U CN213325635U (en) | 2020-09-18 | 2020-09-18 | Flue gas dust removal system based on pneumatic conveying |
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| CN213325635U true CN213325635U (en) | 2021-06-01 |
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| CN202022052959.3U Active CN213325635U (en) | 2020-09-18 | 2020-09-18 | Flue gas dust removal system based on pneumatic conveying |
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