CN202207527U - Dust removal system for treating high-temperature dust contained flue gas - Google Patents
Dust removal system for treating high-temperature dust contained flue gas Download PDFInfo
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- CN202207527U CN202207527U CN2011203418016U CN201120341801U CN202207527U CN 202207527 U CN202207527 U CN 202207527U CN 2011203418016 U CN2011203418016 U CN 2011203418016U CN 201120341801 U CN201120341801 U CN 201120341801U CN 202207527 U CN202207527 U CN 202207527U
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Abstract
The utility model discloses a dust removal system for treating high-temperature dust contained flue gas, which is mainly used for burner gas purification of an arc furnace and similar high-temperature flue gas treatment. The dust removal system comprises a high-temperature smoke dust stainless steel filter cylinder type dust remover which is directly connected to the pipeline of the fume outlet of the arc furnace, and an air out side of the high-temperature smoke dust stainless steel filter cylinder type dust remover is connected with a dust removing blower and connected to a discharging chimney through the dust removing blower. According to the dust removal system for treating high-temperature dust contained flue gas, provided by the utility model, the system is simple, the equipment is less, the occupied land is small, the operation and maintenance are convenient, the running resistance force is small, the operating cost is low, the dust removal efficiency is high, and the service life is long.
Description
Technical field
The utility model relates to a kind of dust pelletizing system of handling the high temperature dust flue gas; Be particularly useful for adopting the semiclosed ore deposit hot stove furnace gas dedusting of depression dust-removing system; Like the dedusting of TAP HOLE OF HIGH CARBON FERROCHROMIUM furnace gas, reduced iron electric furnace furnace gas dedusting etc., and the dust removal process of similar high temperature dust gas.
Background technology
As shown in Figure 1, traditional depression dust-removing system 10 includes successively the hot stove in the ore deposit that connects 11, aerial cooler 12, cyclone dust collectors 13, low pressure pulse bag filter 14, dedusting fan 15 and chimney 16.In the semiclosed mineral heating furnace flue cleaning system that adopts the depression dust-removing system; Because the temperature that goes out kiln gas generally is in 350～450 ℃ the scope, the dedusting flow process of traditional depression dust-removing system is generally: go out kiln gas → aerial cooler → cyclone dust collectors → low pressure pulse bag filter → dedusting fan → chimney.
In traditional depression dust-removing system, the high-temperature filter material that low pressure pulse bag filter uses is generally high temperature resistance filtration materials such as high temperature resistant Nomex filtrate of P84 or Mei Tasi Nomex, because this type of filtrate is the fiber-like filtrate; Maximum operation (service) temperature can not be above 240 ℃; Overheating operation never allows the solid particle existence that Mars and unburnt carbon granules etc. still have higher temperature the sharply service life of shortening filter bag, and flue gas after getting into deduster for a long time; Otherwise can cause cloth bag to burn phenomenon; Even cause the cloth bag pyrophoricity accident, therefore, flue gas needs to carry out prefiltration through cyclone dust collectors then before getting into deduster through the aerial cooler cooling; Unburnt coarse granule and Mars are separated, and flue gas just can get into deduster and carries out essence and filter then.
Traditional depression dust-removing system handles high-temperature flue gas in order to satisfy the service condition of sack cleaner, needs to increase a series of affiliated facilities; Not only increased the complexity of dust pelletizing system; But also increased the regular maintenance amount, and increased SR, increased the layout land used of large number quipments simultaneously.
Summary of the invention
It is a kind of simple in structure that the technical problem that the utility model will solve is to provide, and running resistance is less, and efficiency of dust collection is high, and equipment takes up an area of the dust pelletizing system of few processing high temperature dust flue gas.
For realizing above-mentioned purpose; The utility model provides a kind of dust pelletizing system of handling the high temperature dust flue gas; Said dust pelletizing system comprises: high-temperature smoke stainless steel filter drum type precipitator; Directly be connected on the exhanst gas outlet pipeline of the hot stove in said ore deposit, a side of the air-out of said high-temperature smoke stainless steel filter drum type precipitator is connected with dedusting fan, is connected to blowdown stack through dedusting fan.
Further, said high-temperature smoke stainless steel filter drum type precipitator includes: at least one casing, and the both sides of said casing offer air inlet and air outlet respectively; A plurality of filter cylinders vertically evenly are arranged in the inside of said casing; Support is bearing in the below of said casing; At least one ash bucket is connected the below of said at least one casing accordingly; The bulkhead vibrator is connected to the outer wall of said ash bucket; Blowing plant is arranged on the top of said a plurality of filter cylinders accordingly; And ash conveying device, be connected to the below of said ash bucket.
Further, said filter cylinder is hung on the inside of said casing.
Further, said filter cylinder includes by what the stainless steel steel wire constituted and is the filtrate of managing tubbiness.
Further, also be provided with fold on the filtrate of said pipe tubbiness.
Further, said filter cylinder is the heat-resistance type filter cylinder, and the normal heatproof degree of said heat-resistance type filter cylinder is 450 ℃, and high-temperature resistant degree is 600 ℃.
Because the filter cylinder of high-temperature smoke stainless steel filter drum type precipitator adopts the stainless steel preparation in the utility model; So it has incomparable heat-resisting ability and the grease-proof and waterproof antiseptic power of fiber bag precipitator in the prior art; And be difficult for being stained with ash, ash-removal effect is obvious, and filter efficiency significantly improves; Effectively reduce the outlet dust content, the filtrate long service life.And the step of further having saved cooling of the prior art and once having filtered, thus realized the simplification on structure and the operating procedure, reduced running resistance, improved efficiency of dust collection, minimizing equipment takes up an area of effectively.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is elaborated.Wherein:
Fig. 1 is the sketch map of depression dust-removing system of the processing high-temperature flue gas of prior art;
Fig. 2 is the sketch map of dust pelletizing system of the processing high temperature dust flue gas of the utility model;
Fig. 3 is the front view of the high-temperature smoke stainless steel filter drum type precipitator of the utility model; And
Fig. 4 is the right view of Fig. 3.
The specific embodiment
Below, through exemplary embodiment the utility model is specifically described.Yet should be appreciated that under the situation that is not having further narration element, structure and characteristic in embodiment also can be attached in other embodiment valuably.
Like Fig. 2, it shows the dust pelletizing system 20 of the processing high temperature dust flue gas of the utility model.Said dust pelletizing system 20 includes high-temperature smoke stainless steel filter drum type precipitator 22; Said high-temperature smoke stainless steel filter drum type precipitator 22 directly is connected on the exhanst gas outlet pipeline of the hot stove 21 in ore deposit; One side of the air-out of said high-temperature smoke stainless steel filter drum type precipitator 22 also is connected with dedusting fan 23; Said high-temperature smoke stainless steel filter drum type precipitator 22 is connected to blowdown stack 24 through dedusting fan 23, and wherein purifying air after deduster 22 filters is able to be discharged in the atmosphere through dedusting fan 23 and blowdown stack 24.
Consult Fig. 3～Fig. 4, said high-temperature smoke stainless steel filter drum type precipitator 22 includes: at least one casing, and as shown be three casings 221 and be arranged side by side, offer air inlet 221a and air outlet 221b respectively in the both sides of said casing; A plurality of filter cylinders 222 vertically evenly are arranged in the inside of each said casing 221, are used to filter flue gas; Support 223 is bearing in the below of said casing 221; At least one ash bucket as shown is three ash buckets 224, is connected the below of each said casing 221 accordingly; Bulkhead vibrator 225 is connected to the outer wall of said ash bucket 224, is beneficial to make the dust that accumulates in ash bucket in the dust removal process to be able to drop; Blowing plant 227 is arranged on the top of said a plurality of filter cylinder 222 accordingly, and said blowing plant 227 is used for the top input of compressed air from filter cylinder 222 is deposited in the effect of the dust on the cartridge exine to realize cleaning; And ash conveying device 226, being connected to the below of said ash bucket 224, the filtrate such as dust that said ash conveying device 226 is used for ash bucket 224 is produced are discharged deduster.
Be with should be understood that; In the utility model in the deduster 22 number of casing 221 and ash bucket 224 not unique; For example can also be the combining form of casing more than two or three and ash bucket with matching in the deduster; Be that those of ordinary skills can be according to demand in practice, be provided with suitable number mutually casing and ash bucket.
Be that a plurality of said filter cylinders 222 are hung on the inside of said casing 221 alternatively.Be preferably, the filter cylinder 222 of the utility model includes by what the stainless steel steel wire constituted and is the filtrate of managing tubbiness.Also be provided with fold on the filtrate of said pipe tubbiness, thereby played the effect of saving the space.Further, the normal heatproof degree of said heat-resistance type filter cylinder 222 is 450 ℃, and moment, high-temperature resistant degree was 600 ℃, thus nonflammable, do not need in advance need not carry out coarse grained separation such as Mars and carbon granules to the processing of lowering the temperature of processing flue gas yet.
Because the filter cylinder of the high-temperature smoke stainless steel filter drum type precipitator of the utility model adopts the stainless steel preparation; So it has incomparable heat-resisting ability and the grease-proof and waterproof antiseptic power of fiber bag precipitator in the prior art; And be difficult for being stained with ash, ash-removal effect is obvious, and filter efficiency significantly improves; Effectively reduce the outlet dust content, the filtrate long service life.And the step of further having saved cooling of the prior art and once having filtered, thus realized the simplification on structure and the operating procedure, reduced running resistance, improved efficiency of dust collection, minimizing equipment takes up an area of effectively.
For the ease of understanding this case, will further describe the dust removal process of the high-temperature smoke stainless steel filter drum type precipitator 22 of the utility model below.At first, the ash-laden gas of being discharged by the exhanst gas outlet of the hot stove 21 in ore deposit gets into casing 221 by air inlet 221a, because of gas is expanded suddenly; Flow velocity reduces suddenly; The dust that particle is thicker leans on the downward sedimentation of himself gravity, falls into ash bucket 224; Under the assistance of bulkhead vibrator 225, discharge subsequently through ash conveying device 226.Tiny dust is attracted to the outer wall of filter cylinder 222 through various effects; Purifying air after filter cylinder 222 filters discharged by air outlet 221b, and the air outlet place is connected with blower fan 23; Under the effect of blower fan 23, cleaned air passes is entered in the atmosphere by blowdown stack 24.Along with the growth of time, the dust that is adsorbed on the outer wall of filter cylinder 222 is long-pending thick gradually, and this moment, blowing plant 225 capable of using carried out the deashing effect, was adsorbed on the outside dust stratification of filter cylinder in the filter process thereby remove, and whole dust removal process then circulates.
In sum, the utility model is the improvement of on the basis of the high-temperature flue gas depression dust-removing system of routine, carrying out lectotype selection.The high-temperature smoke stainless steel filter drum type precipitator of the utility model; Through adopting the high temperature resistant stainless steel filter cylinder to be hung on the mode in the deduster casing, and then replaced that the form with cloth bag and cage bone is set to the conventional arrangement in the casing in the prior art sack cleaner.Be merely about 1/4th of cloth bag volume owing to have the filter cylinder volume of identical filter area, so the occupation of land of the high-temperature smoke stainless steel filter drum type precipitator of same treatment air quantity is about about 1/3rd of conventional sack cleaner occupation of land.
Therefore, the filtrate heatproof of deduster is higher in the utility model, does not burn long service life; And the whole system floor space is little, and convenient operating maintenance is invested quite with conventional negative pressure system, and running resistance is little; Operating cost is low, and efficiency of dust collection is high, has better realized economic and practical.
Be appreciated that the utility model describes through some embodiment, those skilled in the art know, under the situation of spirit that does not break away from the utility model and scope, can carry out various changes or equivalence replacement to these characteristics and embodiment.In addition, under the instruction of the utility model, can make amendment to these characteristics and embodiment not to break away from the spirit and the scope of the utility model to adapt to concrete situation and material.Therefore, the utility model does not receive the restriction of specific embodiment disclosed herein, and all fall into the protection domain that embodiment in the application's the claim scope belongs to the utility model.
Claims (6)
1. dust pelletizing system (20) of handling the high temperature dust flue gas is characterized in that said dust pelletizing system (20) includes:
High-temperature smoke stainless steel filter drum type precipitator (22); Directly be connected on the exhanst gas outlet pipeline of the hot stove in ore deposit (21); One side of the air-out of said high-temperature smoke stainless steel filter drum type precipitator (22) also is connected with dedusting fan (23), is connected to blowdown stack (24) through dedusting fan (23).
2. the dust pelletizing system of processing high temperature dust flue gas as claimed in claim 1 is characterized in that, said high-temperature smoke stainless steel filter drum type precipitator (22) includes:
At least one casing (221), the both sides of said casing offer air inlet (221a) and air outlet (221b) respectively;
A plurality of filter cylinders (222) vertically evenly are arranged in the inside of said casing;
Support (223) is bearing in the below of said casing;
At least one ash bucket (224) is connected the below of said at least one casing accordingly;
Bulkhead vibrator (225) is connected to the outer wall of said ash bucket;
Blowing plant (227) is arranged on the top of said a plurality of filter cylinders accordingly; And
Ash conveying device (226) is connected to the below of said ash bucket.
3. the dust pelletizing system of processing high temperature dust flue gas as claimed in claim 2 is characterized in that said filter cylinder is hung on the inside of said casing.
4. the dust pelletizing system of processing high temperature dust flue gas as claimed in claim 3 is characterized in that, said filter cylinder includes by what the stainless steel steel wire constituted and is the filtrate of managing tubbiness.
5. the dust pelletizing system of processing high temperature dust flue gas as claimed in claim 4 is characterized in that, also is provided with fold on the filtrate of said pipe tubbiness.
6. the dust pelletizing system of processing high temperature dust flue gas as claimed in claim 5 is characterized in that, said filter cylinder is the heat-resistance type filter cylinder, and the normal heatproof degree of said heat-resistance type filter cylinder is 450 ℃, and high-temperature resistant degree is 600 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203418016U CN202207527U (en) | 2011-09-06 | 2011-09-06 | Dust removal system for treating high-temperature dust contained flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203418016U CN202207527U (en) | 2011-09-06 | 2011-09-06 | Dust removal system for treating high-temperature dust contained flue gas |
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| CN202207527U true CN202207527U (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203418016U Expired - Lifetime CN202207527U (en) | 2011-09-06 | 2011-09-06 | Dust removal system for treating high-temperature dust contained flue gas |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103721514A (en) * | 2014-01-02 | 2014-04-16 | 关云彪 | Stainless steel wire mesh circulating water vapor membrane filter-bag type fine dust removal device for coal-fired flue gas |
| CN106178738A (en) * | 2016-08-31 | 2016-12-07 | 凯天环保科技股份有限公司 | A kind of Modular high-temperature smoke duster |
| CN109030118A (en) * | 2018-06-28 | 2018-12-18 | 重庆大学 | Burner hearth high temperature positive ash-laden gas sampler |
| CN113893620A (en) * | 2021-11-18 | 2022-01-07 | 中钢设备有限公司 | Finished product dust removal method and device for direct reduced iron |
-
2011
- 2011-09-06 CN CN2011203418016U patent/CN202207527U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103721514A (en) * | 2014-01-02 | 2014-04-16 | 关云彪 | Stainless steel wire mesh circulating water vapor membrane filter-bag type fine dust removal device for coal-fired flue gas |
| CN106178738A (en) * | 2016-08-31 | 2016-12-07 | 凯天环保科技股份有限公司 | A kind of Modular high-temperature smoke duster |
| CN109030118A (en) * | 2018-06-28 | 2018-12-18 | 重庆大学 | Burner hearth high temperature positive ash-laden gas sampler |
| CN113893620A (en) * | 2021-11-18 | 2022-01-07 | 中钢设备有限公司 | Finished product dust removal method and device for direct reduced iron |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120502 |
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| CX01 | Expiry of patent term |