CN202096836U - Ultra-temperature flue gas deduster - Google Patents
Ultra-temperature flue gas deduster Download PDFInfo
- Publication number
- CN202096836U CN202096836U CN2011201704884U CN201120170488U CN202096836U CN 202096836 U CN202096836 U CN 202096836U CN 2011201704884 U CN2011201704884 U CN 2011201704884U CN 201120170488 U CN201120170488 U CN 201120170488U CN 202096836 U CN202096836 U CN 202096836U
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- orifice plate
- upper box
- case body
- filter
- ash bucket
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Abstract
The utility model discloses an ultra-temperature flue gas deduster. The ultra-temperature flue gas deduster comprises an ash bucket, an air inlet pipeline connected with the ash bucket, a low beam arranged on the ash bucket, a middle case body arranged on the low beam, an upper case body arranged on the middle case body, a pore plate arranged in the upper case body, a filter arranged on the pore plate, an air outlet pipeline connected with the upper case body, and a compressed air pipeline for connecting the upper case body and the middle case body. The ultra-temperature flue gas deduster has high high-temperature resistance, good air tightness, high strong acid and alkali oxidization resistance, high filter precision, small system resistance, small heat loss, long service life, significant energy-saving effect and good development prospects.
Description
Technical field
The utility model belongs to the flue gases purification field, is specifically related to a kind of superhigh temperature smoke duster
Background technology
Existing dedusting technology mainly comprises bag dust collector technology and electrostatic precipitation technology.The critical piece of bag dust collector comprises ash bucket, middle casing, upper box, orifice plate, advances/the air-out flue, filter etc.Its operation principle is, dusty gas gets into casing from the air inlet duct of deduster, and after filtering through the filter in the casing, clean air is discharged through the exhaust passage, and the dust ash drops in the ash bucket.
Bag dust collector is that a kind of air-tightness requires very strict equipment, and middle casing, upper box not only require air leak rate of air curtain less than 2% with ambient atmosphere, and the air leak rate of air curtain between middle casing and the upper box is necessary for 0.But existing bag dust collector; Because wherein casing, upper box and orifice plate are steel access node member; Under condition of overhigh temperature, its steel construction intensity has significantly and reduces, and not only influences the stability and the security of deduster steel construction; Also can cause the side plate and the orifice plate of middle casing, upper box that expansion in various degree takes place; Produce stress, cause the side plate of middle casing, upper box and the weld of orifice plate to rupture, bigger air leakage phenomena will appear in casing, upper box and the external world in this moment.And orifice plate is a demarcation strip of middle casing and upper box; The words of leaking out because of air-tightness is bad in the orifice plate junction; Casing is communicated with upper box in will causing, and the interior dusty gas of middle casing will directly get into upper box without the filtration of filter, discharge from wind pipe; Thereby cause the efficiency of dust collection of deduster low, emission gases is not up to standard.
Above-mentioned is the subject matter that existing bag dust collector technology exists.
In addition, also there are some defectives in the filtration of existing bag dust collector, and is specific as follows:
(1) filtrate can only carry out filtration, purification at 250 ℃ with interior flue gas to flue-gas temperature, and the too high meeting of temperature causes problems such as filter scaling loss, and influences filter efficiency;
(2) filtrate is antiacid, the alkali degree of oxidation is lower, under the environment of strong acid, highly basic, is corroded easily;
(3) the general life-span of filtrate shorter, length is 3 years;
(4) filtering accuracy is low, resistance is big, and cost is higher during long-time running.
The utility model content
The utility model is in order to overcome the weak point of existing bag dust collector technology; A kind of superhigh temperature smoke duster is provided, and to solve that high-temperature flue gas causes deduster casing and orifice plate thermal expansion and the air-tightness problem that causes, the non-refractory, the high temperature that overcome existing filtration simultaneously are inflammable; Not anti-strong acid, caustic corrosion; Resistance is big, and filtering accuracy is low, the defective that heat loss is big.
The utility model adopts following technical scheme:
The said superhigh temperature smoke duster of the utility model comprises ash bucket, the intake stack that links to each other with ash bucket, be installed in low beam above the ash bucket, be installed in middle casing above the low beam, be installed in above the casing upper box, be installed in the inner orifice plate of upper box, be installed in the filter on the orifice plate, the wind pipe that links to each other with upper box, the compressed air line that is connected upper box and middle casing.
Preferably, the adjacent side plates of said middle casing is joined with the circular arc steel plate, and arbitrary to a side plate in the said adjacent side plates and overlapping being welded as a whole of said circular arc steel plate.
Preferably, the adjacent side plates of said upper box is joined with the circular arc steel plate.
Preferably, the orifice plate reinforcement only is welded as a whole at top and said orifice plate.
Preferably, the orifice plate stile is connected with side plate that steel plate is airtight to be welded as a whole.
Preferably, the height of said orifice plate stile is 200mm.
Further, said wind pipe is provided with compensator on horizontal and vertical.
Preferably, said filter is too cotton filter.
The beneficial effect of the utility model is: said superhigh temperature smoke duster, and high temperature resistant, air-tightness is good, anti-strong acid, alkali oxidation, filtering accuracy is high, and SR is little, and heat loss is little, long service life, energy-saving effect is remarkable, has good development prospect.
Description of drawings
Fig. 1 is the cutaway view of the said superhigh temperature smoke duster of the utility model;
Fig. 2 is the front view of the said superhigh temperature smoke duster of the utility model;
Fig. 3 is along the structural representation in A-A line cross section among Fig. 1;
Fig. 4 is along the structural representation in B-B line cross section among Fig. 2;
Fig. 5 is an I local structure for amplifying sketch map in position among Fig. 1;
Fig. 6 is an II local structure for amplifying sketch map in position among Fig. 2.
Among the figure: the 1-ash bucket, the 2-intake stack, 3-hangs down beam, casing among the 4-, the 5-orifice plate, the 6-compressed air line, the 7-upper box, the too cotton filter of 8-wind pipe, 9-, 10-orifice plate reinforcement, 11-orifice plate stile, the 12-side plate connects steel plate.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done a detailed description, but not as the restriction to the utility model.
Fig. 1, Fig. 2 are respectively the cutaway view of the said superhigh temperature smoke duster of the utility model, the main figure that cuts open.Shown in Fig. 1-2, said deduster comprises ash bucket 1, intake stack 2, low beam 3, middle casing 4, upper box 7, orifice plate 5, too cotton filter 9, wind pipe 8 and compressed air line 6; Wherein, intake stack 2 is installed in above the ash bucket 1, and ash bucket 1 is installed in below the low beam 2, and middle casing 4 is installed in above the low beam 3, and above the casing 4, orifice plate 5 was installed in the upper box 7 during upper box 7 was installed in, and too cotton filter 9 is installed on the orifice plate 5.Compressed air line 6 links to each other with upper box 7 and middle casing 4 respectively, wind pipe 8 links to each other with upper box 7.
Wherein, said wind pipe 8 has additional compensator (not indicating among the figure) on horizontal and vertical.Said compensator has played the effect of expansion compensation and buffering, make wind pipe 8 radially, axially both direction is scalable, has guaranteed the air-tightness of intake stack 2.
Fig. 3 be among Fig. 1 along the structural representation in A-A line cross section, the structure of the adjacent side plates junction of casing 4 in the demonstration.As shown in Figure 3, the adjacent side plates of said middle casing 4 is joined with the circular arc steel plate, and arbitrary to a side plate in the adjacent side plates and the overlapping welding of said circular arc steel plate.The four sides box plate all adopts this structure to connect.This structure can reduce the box plate distortion that thermal expansion causes, and avoids the fracture of box side weld, improves the air-tightness of casing.
Fig. 4 be among Fig. 2 along the structural representation in B-B line cross section, show the structure of the adjacent side plates junction of upper box 7.As shown in Figure 4, the adjacent side plates of said upper box 7 adopts the circular arc steel plate to join.The four sides box plate all adopts this structure to connect.This structure can reduce the box plate distortion that thermal expansion causes, and avoids the fracture of box side weld, improves the air-tightness of casing.
Fig. 5 is in the local structure for amplifying sketch map of position I among Fig. 1.As shown in Figure 5, orifice plate reinforcement 10 only is welded as a whole at top and said orifice plate 5, does not link to each other with orifice plate stile 11.This welding manner has played reinforcement orifice plate 5 intensity, avoids the effect of thermal expansion distortion.
Fig. 6 is the local structure for amplifying sketch map of position II among Fig. 2.As shown in Figure 6, orifice plate stile 11 is connected steel plate 12 airtight being welded as a whole with side plate, and the high orifice plate stile 11 of 200mm can give enough compensation rates when thermal expansion, the orifice plate distortion of avoiding thermal expansion to cause.
Orifice plate 5 adopts the air-tightness problem of the weld that said structures cause in order to the expansion that reduces when temperature is too high, and avoids causing that because of orifice plate 5 distortion filter collides the phenomenon of damaging in the course of the work each other.
The effect of the each several part structure of the said deduster of the utility model is following:
Ash bucket 1: ash bucket 1 is a buffer memory container of dust collection, is used for the dust in flue gas that de-entrainment filter filters out.Filter is behind deashing, and the dust of filter outer surface drops into ash bucket 1.The ash of depositing in the ash bucket 1 highly can not be too high, otherwise can influence the ash-removal effect of filter, causes reentrainment of dust easily.
Intake stack 2: intake stack 2 is that the ash-laden gas that the production technology link produces is transported to an inner device of deduster.The wind speed range of intake stack 2 can be chosen according to the character of dust.
Low beam 3: casing 4 and ash bucket 1 during low beam 3 is used for supporting, the effect of play a reinforcement, supporting.
Middle casing 4: middle casing 4 is middle housings of the utility model, is used to support upper box 7 and protects filter in a row in the casing.
Orifice plate 5: orifice plate 5 is demarcation strips of upper box 7 and middle casing 4, is installed in the upper box 7, is used for fixing filter.Being the dusty gas in the middle casing 4 below the orifice plate 5, then is the not dusty gas of the cleaning in the upper box 7 above.
Compressed air line 6: compressed air line 6 mainly is to be used to carry the high pressure clean gas, is used to remove the apparent dust of filter.After ash-laden gas filters through filter; Dust is trapped within the appearance of filter, and along with the growth of filtration time, the outer surface of filter can accumulate the thick dust of one deck; Cause the running resistance of deduster to increase; This moment, compressed air line 6 interior high pressure clean gas sprayed in the filter under the effect of controller, removed the dust of filter outer surface, and the deduster running resistance is reduced.
Upper box 7: upper box 7 is the of paramount importance parts of the utility model, and its main application is fixedly compressed air line 6, orifice plate 5, wind pipe 8, is the spatial transition of dusty gas before filtration becomes clean air and then gets into wind pipe 8.
Wind pipe 8: wind pipe 8 is that the clean air after deduster is filtered is transported to a device in the atmosphere.In order to reduce the running resistance of equipment, the wind speed of wind pipe 8 can suitably be got low.
Too cotton filter 9: too cotton filter 9 is cores of the utility model, is concerning the problem such as efficiency of dust collection, running resistance of deduster.Too cotton filter 9 is a kind of specially for surpassing the rigid surface filter that the operating temperatures that traditional deduster bore such as sack cleaner, electric cleaner are developed, and is characterized in: the filtering material heatproof is not up to 1600 ℃, burn; Anti-strong acid, alkali oxidation; Resistance is little, and filtering accuracy is high, and heat loss is little; Long service life can be for 10 years; Help follow-up waste heat recovery.Too cotton filter 9 is a kind of high efficiency particulate air filters.
Claims (8)
1. superhigh temperature smoke duster; It is characterized in that, comprise ash bucket, the intake stack that links to each other with ash bucket, be installed in low beam above the ash bucket, be installed in middle casing above the low beam, be installed in above the casing upper box, be installed in the inner orifice plate of upper box, be installed in the filter on the orifice plate, the wind pipe that links to each other with upper box, the compressed air line that is connected upper box and middle casing.
2. superhigh temperature smoke duster as claimed in claim 1 is characterized in that, the adjacent side plates of said middle casing is joined with the circular arc steel plate, and arbitrary to a side plate in the said adjacent side plates and overlapping being welded as a whole of said circular arc steel plate.
3. superhigh temperature smoke duster as claimed in claim 1 is characterized in that, the adjacent side plates of said upper box adopts the circular arc steel plate to join.
4. superhigh temperature smoke duster as claimed in claim 1 is characterized in that, the orifice plate reinforcement only is welded as a whole at top and said orifice plate.
5. superhigh temperature smoke duster as claimed in claim 1 is characterized in that, the orifice plate stile is connected with side plate that steel plate is airtight to be welded as a whole.
6. superhigh temperature smoke duster as claimed in claim 5 is characterized in that, the height of said orifice plate stile is 200mm.
7. superhigh temperature smoke duster as claimed in claim 1 is characterized in that said wind pipe is provided with compensator on horizontal and vertical.
8. superhigh temperature smoke duster as claimed in claim 1 is characterized in that, said filter is too cotton filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201704884U CN202096836U (en) | 2011-05-25 | 2011-05-25 | Ultra-temperature flue gas deduster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201704884U CN202096836U (en) | 2011-05-25 | 2011-05-25 | Ultra-temperature flue gas deduster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202096836U true CN202096836U (en) | 2012-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201704884U Expired - Lifetime CN202096836U (en) | 2011-05-25 | 2011-05-25 | Ultra-temperature flue gas deduster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202096836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624736A (en) * | 2018-04-24 | 2018-10-09 | 中冶南方工程技术有限公司 | Converter gas purification and residual neat recovering system and method |
-
2011
- 2011-05-25 CN CN2011201704884U patent/CN202096836U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624736A (en) * | 2018-04-24 | 2018-10-09 | 中冶南方工程技术有限公司 | Converter gas purification and residual neat recovering system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING ZHONGJING JIAMEI ENVIRONMENTAL TECHNOLOGY Free format text: FORMER OWNER: BEIJING ESSE CO., LTD. Effective date: 20140515 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100022 CHAOYANG, BEIJING TO: 100176 DAXING, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140515 Address after: 100176, No. 2, building 30, floor 1, 102 North Street, Beijing economic and Technological Development Zone, Beijing, China Patentee after: BEIJING ZHONGJING JIAMEI ENVIRONMENTAL TECHNOLOGY CO., LTD. Address before: 100022, room 2101, block A, wo Cheng center, No. 20 East Third Ring Road, Beijing, Chaoyang District Patentee before: Beijing ESSE Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 100176 Beijing economic and Technological Development Zone, Ronghua Road, No. 10 ronghua international building, room 20, floor 2008, room 3 Patentee after: BEIJING ZHONGJING JIAMEI ENVIRONMENT SCIENCE & TECHNOLOGY CO., LTD. Address before: 100176, No. 2, building 30, floor 1, 102 North Street, Beijing economic and Technological Development Zone, Beijing, China Patentee before: BEIJING ZHONGJING JIAMEI ENVIRONMENTAL TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100176 Beijing economic and Technological Development Zone, Ronghua Road, No. 10 ronghua international building, room 20, floor 2008, room 3 Patentee after: MICROTEK environmental Polytron Technologies Inc Address before: 100176 Beijing economic and Technological Development Zone, Ronghua Road, No. 10 ronghua international building, room 20, floor 2008, room 3 Patentee before: BEIJING ZHONGJING JIAMEI ENVIRONMENT SCIENCE & TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120104 |
|
| CX01 | Expiry of patent term |