CN202226812U - Coke dry quenching device adopting cyclone dust extractor as primary dust remover - Google Patents
Coke dry quenching device adopting cyclone dust extractor as primary dust remover Download PDFInfo
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- CN202226812U CN202226812U CN2011202979066U CN201120297906U CN202226812U CN 202226812 U CN202226812 U CN 202226812U CN 2011202979066 U CN2011202979066 U CN 2011202979066U CN 201120297906 U CN201120297906 U CN 201120297906U CN 202226812 U CN202226812 U CN 202226812U
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- dust collector
- tornado dust
- tornado
- boiler
- coke powder
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Abstract
The utility model provides a coke dry quenching device adopting a cyclone dust extractor as a primary dust remover. The coke dry quenching device includes a dry quenching furnace, the primary dust remover and a boiler, wherein the primary dust remover is arranged between an air outlet of the dry quenching furnace and an air inlet of the boiler, so as to enable high-temperature recycle gas carrying coke powder to enter the boiler after being separated from the coke powder; and the primary dust remover is the cyclone dust extractor. The cyclone dust extractor not only can effectively separate the coke powder and the recycle gas, and reduce abrasion of the recycle gas to the boiler, thereby prolonging the service life of the boiler; but also has small occupied area and low maintenance frequency, so that the use efficiency of the coke dry quenching device can be improved.
Description
Technical field
The utility model belongs to the coking field, is specifically related to a kind of with the dry coke quenching auxiliary of tornado dust collector as disposable dust remover.
Background technology
The dry coke quenching method is to utilize colder recycle gas to put out stove and red Jiao carries out heat exchange dried; The recycle gas that absorbs red burnt heat imports and reclaims heat in the boiler; Produce steam, recycle gas carries out heat exchange through cooling, dedusting after blower fan returns dried putting out once more in the stove, so repeatedly circulation.The method of this production coke not only can reclaim red Jiao's sensible heat, reduces the discharging of pollutent, and can improve the quality of coke.Therefore, the dry coke quenching method obtains fast development in recent years, and is meanwhile, more and more deep to the research of dry coke quenching auxiliary.
Fig. 1 is the structure diagram of existing dry coke quenching auxiliary.See also Fig. 1, dry coke quenching auxiliary comprises dried stove 1, disposable dust remover 2, boiler 3, secondary filter 4, recirculation blower 5, interchanger 6 and the coke discharging device 7 of putting out.Dried put out stove 1 be provided with annular passage 10 on the top; The dried stove 1 that puts out is connected with the blast inlet of disposable dust remover 2 through annular passage 10; The air outlet of disposable dust remover 2 is connected with the input aperture of boiler 3 through the high temperature expansion joint, the blast inlet that the delivery port of boiler 3, secondary filter 4, recirculation blower 5, interchanger 6 and dried puts out stove 1 through correspondingly-sized with it gas piping connect successively.Coke discharging device 7 is arranged on dried bottom of putting out stove 1.
Dry coke quenching auxiliary is in operational process, because dried to put out stove 1 headspace less, promptly driedly put out the last sheaf space that stove 1 top is not provided for separating coke powder, and the flow velocity of recycle gas in annular passage 10 is very fast, and therefore, it is more to be recycled the coke powder that gas takes away.Coke powder causes wearing and tearing to the boi1er tube in the boiler 3 easily, and therefore, the coke powder that needs to be mixed in the recycle gas separates, and promptly by disposable dust remover 2 coke powder is separated with recycle gas.
Existing disposable dust remover 2 is the gravity type boat davit dust-settling compartment, and it comprises gravity barricade 8 and ash bucket 9.After the recycle gas that comes air dry to put out stove 1 is stopped by gravity barricade 8, be mixed in the intravital coke powder of circulation gas and rely on action of gravity to drop in the ash bucket 9 owing to the reduction of speed makes.After 11 coolings of water cooling sleeve pipe, discharge then through ash-valve 12.
Yet there is following problem in this gravity type boat davit fly-ash separator: the first, and efficiency of dust collection is lower than 50%, is fit to particle separation diameter greater than 30～50 microns dust; The second, be wasted with the heat of coke powder after recycle gas separates; The 3rd, in dust removal process,, cause faults such as water cold sleeve explosion easily, thereby cause repair rate higher, and then influence the normal operation of dry coke quenching equipment owing to reasons such as the wearing and tearing of coke powder and high temperature; The 4th, the gravity type boat davit fly-ash separator is bulky, and floor space is big.
The utility model content
The technical problem that the utility model will solve is exactly to the above-mentioned defective that exists in the prior art, provides that a kind of its volume is little with the dry coke quenching auxiliary of tornado dust collector as disposable dust remover, the efficiency of dust collection height, and also stable, repair rate is low.
The technical scheme that is adopted that solves the problems of the technologies described above provides a kind of with the dry coke quenching auxiliary of tornado dust collector as disposable dust remover; Comprise dried stove, disposable dust remover and the boiler of putting out; Said disposable dust remover is arranged between the blast inlet of said dried air outlet that puts out stove and said boiler; Separate the said boiler of back entering with said coke powder so that carry the high temperature circulation gas of coke powder, said disposable dust remover is tornado dust collector.
Preferably; Said tornado dust collector comprise tornado dust collector housing, tornado dust collector blast inlet, tornado dust collector air outlet and tornado dust collector particle delivery port; Said tornado dust collector blast inlet is arranged on said tornado dust collector housing on the top; Said tornado dust collector air outlet is arranged on the top of said tornado dust collector housing, and said tornado dust collector particle delivery port is arranged on the bottom of said tornado dust collector housing; The high temperature circulation gas that carries coke powder is in said tornado dust collector blast inlet gets into said tornado dust collector housing; Said coke powder is separated with said recycle gas; Discharge from said tornado dust collector particle delivery port with the said coke powder of said high temperature circulation gas delivery, the said high temperature circulation gas behind the separation coke powder is discharged from said tornado dust collector air outlet.
Preferably, said tornado dust collector particle delivery port position is provided with first blocking valve, is used to control the velocity of discharge by the isolating said high temperature coke powder of said tornado dust collector.
Preferably, be provided with first level gage, be used to control the opening and closing of said first blocking valve in said tornado dust collector particle delivery port position.
Preferably, below said tornado dust collector particle delivery port, be provided with the coke powder container,
Be used to hold by the isolating said coke powder of said tornado dust collector.
Preferably, the bottom of said tornado dust collector housing is a conical structure.
Preferably, also comprise the interchanger of the lower position that is arranged on said boiler, be used for further reducing the interchanger of said hot-gas temperature.
The utlity model has following beneficial effect:
The dry coke quenching auxiliary that the utility model provides is to adopt tornado dust collector as disposable dust remover; It can be that 5～30 microns coke powder separates from recycle gas with particle diameter; And separation efficiency can reach more than 80～95%; Thereby can reduce the wearing and tearing of recycle gas to boiler, so the work-ing life that can improve boiler, the maintenance cost of reduction boiler.In addition, the floor space of tornado dust collector is about 1/3rd of gravity type boat davit settling pocket, has therefore reduced the floor space of dry coke quenching auxiliary greatly.In addition, tornado dust collector are stable, and its repair rate is merely 1/4th of gravity type boat davit settling pocket, thereby improved the rate of utilization of dry coke quenching auxiliary.
Description of drawings
Fig. 1 is the structure diagram of existing dry coke quenching auxiliary;
Fig. 2 for the utility model provide with the structure diagram of tornado dust collector as the dry coke quenching auxiliary of disposable dust remover; And
The structure diagram of the disposable dust remover that Fig. 3 provides for the utility model.
Embodiment
For making those skilled in the art understand the technical scheme of the utility model better, be described in detail with the dry coke quenching auxiliary of tornado dust collector what the utility model provided as disposable dust remover below in conjunction with accompanying drawing.
The structure diagram of the dry coke quenching auxiliary that Fig. 2 provides for the utility model.See also Fig. 2, the dry coke quenching auxiliary that present embodiment provides comprises dried stove 21, disposable dust remover 22, boiler 23, secondary filter 24, recirculation blower 25 and the interchanger 26 of putting out.
Wherein, dried top of putting out stove 21 is provided with red burnt input aperture, and dried bottom of putting out stove 21 is provided with coke discharging device 27, and coke is discharged the dried stove 21 that puts out from coke discharging device 27.Be provided with annular passage 210 on the top at the dried stove 21 that puts out, annular passage 210 is connected with the blast inlet of disposable dust remover, and the air outlet of disposable dust remover is connected with the input aperture of boiler 23.The delivery port of boiler 23 is connected with the blast inlet of secondary filter 24; The air outlet of secondary filter 24 is connected with the inlet mouth of recirculation blower 25; The venting port of recirculation blower 25 is connected with the input aperture of interchanger 26, and the delivery port of interchanger 26 is connected with the inlet mouth of dry coke quenching 21.
Disposable dust remover is tornado dust collector (or claiming cyclonic separator) 22.The structure diagram of the tornado dust collector that Fig. 3 provides for the utility model.See also Fig. 3, tornado dust collector comprise tornado dust collector housing 221, tornado dust collector blast inlet 222, tornado dust collector air outlet 223 and tornado dust collector particle delivery port 224.Wherein, tornado dust collector housing 221 is a rotational symmetry structure, and shrink to its axis gradually its bottom, thereby make the bottom of tornado dust collector housing 221 be conical structure.Tornado dust collector blast inlet 222 is arranged on tornado dust collector housing 221 on the top; Tornado dust collector air outlet 223 is arranged on tornado dust collector housing 221 vertical symmetry centre positions, and tornado dust collector particle delivery port 224 is arranged on the bottom of tornado dust collector housing 221.
The high temperature circulation gas that carries coke powder that comes air dry to put out stove 21 gets in the tornado dust collector housing 221 from whirlwind fly-ash separator blast inlet 222; And along the inwall of tornado dust collector housing 221 in the shape of a spiral shape move to the cone bottom from top to bottom, thereby form the outer rotational gas flow that descends.The cf-that in strong rotary course, is produced gets rid of the coke powder that density is far longer than recycle gas to tornado dust collector housing 221; Coke powder is in case contact with tornado dust collector housing 221; Just rely on outer vortex promotion and the gravity of self effect and fall along tornado dust collector housing 221, and from 224 discharges of tornado dust collector particle delivery port.The circulating current that rotation descends then along the axis part of tornado dust collector housing 221 upwards, forms the interior rotational gas flow that rises, and is discharged by tornado dust collector air outlet 223 after arriving the cone bottom.
Tornado dust collector can be that 5～30 microns coke powder separates from recycle gas with particle diameter, and separation efficiency can reach more than 80～95%.The coke powder particulate reduces and can reduce the wearing and tearing of recycle gas to boiler 23 in the recycle gas, on the one hand, can improve the work-ing life of boiler, reduces the maintenance cost of boiler simultaneously; On the other hand, wearing and tearing standard can be reduced, thereby the cost of manufacture of boiler 23 can be reduced making boiler 23 material therefors.
In the present embodiment, tornado dust collector particle delivery port 224 positions also are provided with first blocking valve 31, are used to control the velocity of discharge by tornado dust collector 22 isolating high temperature coke powders.
For unlatching and the closure of controlling first blocking valve 31 effectively, also be provided with the first level gage (not shown) at tornado dust collector particle delivery port 224.When the inner coke powder height of tornado dust collector housing 221 reached the preset upper level position of first level gage, first blocking valve 31 was opened.When the inner coke powder height of tornado dust collector housing 221 reach the preset low order position of first level gage, first blocking valve, 31 closures.
In the present embodiment, coke powder container (not shown) can also be set, be used to hold by tornado dust collector 22 isolating high temperature coke powders at tornado dust collector particle delivery port 224.The coke powder container can reduce the open frequency of first blocking valve 31, thereby makes whole dry coke quenching auxiliary operation more stable.
Need to prove, in the present embodiment, between boiler 23 and recirculation blower 25, be provided with secondary filter 24, with further to the recycle gas dedusting.Secondary filter 24 is a multiclone.Yet the utility model is not limited thereto.In practical application; If the dust removing effects of cyclonic separator 22 can satisfy the design requirements of dry coke quenching auxiliary; The utility model can not be provided with secondary filter 24 yet between boiler 23 and recirculation blower 25; This not only can reduce the manufacturing cost of dry coke quenching auxiliary, and can reduce the floor space of dry coke quenching auxiliary.
Need to prove that also interchanger 26 is to be used to reduce be about to turn back to the dried recycle gas temperature of putting out stove 21 and disposable dust remover, it adopts water-cooling pattern that recycle gas is lowered the temperature, and the water coolant that absorbs the recycle gas sensible heat returns boiler 23.Interchanger 26 can be arranged on around the boiler 23; Perhaps be arranged near dried and put out near stove 21 or the disposable dust remover; Yet this set mode need be placed the space of interchanger 26 independently; Thereby increase the floor space of dry coke quenching auxiliary, and must be used to connect boiler 23, interchanger 26 and the dried pipeline that puts out stove 21.
Present embodiment because disposable dust remover adopted tornado dust collector 22, has reduced the coke powder particle in the recycle gas of boiler 23; Thereby increased the flow velocity of recycle gas in boiler 23; And then can improve the height of boiler 23, this can make the design of boiler 23 bottom spaces more flexible, promptly can increase the space of boiler 23 bottoms; In other words, can interchanger 26 be arranged on the below of boiler 23.This not only can reduce the floor space of dry coke quenching auxiliary, and can reduce the pipeline that is used to connect boiler 23, interchanger 26, thereby has reduced a dried cost of investment putting out furnace apparatus, also because of pipeline shortens, has reduced system dynamic consumption.
In the present embodiment, recycle gas is following in the working cycle of dry coke quenching auxiliary:
Carry coke powder at the dried high temperature circulation gas (1000 ± 50 ℃) that puts out in the stove 21 and discharge, get into tornado dust collector 22 from tornado dust collector blast inlet 222, and high temperature circulation gas is separated with the high temperature coke powder by tornado dust collector 22 from annular passage 210; Discharge from tornado dust collector air outlet 223 with the isolating high temperature circulation gas of high temperature coke powder; Get into then and carry out heat exchange in the boiler 23, with the intravital Btu utilization of high temperature circulation gas, and warm recycle gas in high temperature circulation gas being lowered the temperature become; In warm recycle gas after secondary filter 24 further dedustings, get into interchanger 26 through recirculation blower 25; Hot tube heat exchanger 26 centering temperature recycle gas are further lowered the temperature, and form cold cycle gas; Cold cycle gas is transported to dried putting out in the stove 21, continues to participate in quenching.
What present embodiment provided utilizes tornado dust collector separating high-temp coke powder and high temperature circulation gas with tornado dust collector as the dry coke quenching auxiliary of disposable dust remover; It has not only improved separation efficiency; The separation efficiency of coke powder can reach more than 80～95%, and can be that 5～30 microns coke powder separates from high temperature circulation gas with particle diameter.In addition, the floor space of tornado dust collector is about 1/3rd of gravity type boat davit settling pocket, has reduced the floor space of dry coke quenching auxiliary greatly.In addition, tornado dust collector are stable, and repair rate is 1/4th of a gravity type boat davit settling pocket, thereby can improve the rate of utilization of dry coke quenching auxiliary.
It is understandable that above embodiment only is the illustrative embodiments that adopts for the principle that the utility model is described, yet the utility model is not limited thereto.For the one of ordinary skilled in the art, under the situation of spirit that does not break away from the utility model and essence, can make various modification and improvement, these modification and improvement also are regarded as the protection domain of the utility model.
Claims (7)
1. one kind with the dry coke quenching auxiliary of tornado dust collector as disposable dust remover; Comprise dried stove, disposable dust remover and the boiler of putting out; Said disposable dust remover is arranged between the blast inlet of said dried air outlet that puts out stove and said boiler; Separate the said boiler of back entering with said coke powder so that carry the high temperature circulation gas of coke powder, it is characterized in that said disposable dust remover is tornado dust collector.
2. according to claim 1 with the dry coke quenching auxiliary of tornado dust collector as disposable dust remover; It is characterized in that; Said tornado dust collector comprise tornado dust collector housing, tornado dust collector blast inlet, tornado dust collector air outlet and tornado dust collector particle delivery port; Said tornado dust collector blast inlet is arranged on said tornado dust collector housing on the top; Said tornado dust collector air outlet is arranged on the top of said tornado dust collector housing, and said tornado dust collector particle delivery port is arranged on the bottom of said tornado dust collector housing; The high temperature circulation gas that carries coke powder is in said tornado dust collector blast inlet gets into said tornado dust collector housing; Said coke powder is separated with said recycle gas; Discharge from said tornado dust collector particle delivery port with the said coke powder of said high temperature circulation gas delivery, the said high temperature circulation gas behind the separation coke powder is discharged from said tornado dust collector air outlet.
3. according to claim 2 with the dry coke quenching auxiliary of tornado dust collector as disposable dust remover; It is characterized in that; Said tornado dust collector particle delivery port position is provided with first blocking valve, is used to control the velocity of discharge by the isolating said high temperature coke powder of said tornado dust collector.
4. according to claim 3ly it is characterized in that, be provided with first level gage, be used to control the opening and closing of said first blocking valve in said tornado dust collector particle delivery port position with the dry coke quenching auxiliary of tornado dust collector as disposable dust remover.
5. according to claim 2ly it is characterized in that, below said tornado dust collector particle delivery port, be provided with the coke powder container, be used to hold by the isolating said coke powder of said tornado dust collector with the dry coke quenching auxiliary of tornado dust collector as disposable dust remover.
6. according to claim 1ly it is characterized in that with the dry coke quenching auxiliary of tornado dust collector the bottom of said tornado dust collector housing is a conical structure as disposable dust remover.
7. according to claim 1ly it is characterized in that, also comprise the interchanger of the lower position that is arranged on said boiler, be used for further reducing the interchanger of said hot-gas temperature with the dry coke quenching auxiliary of tornado dust collector as disposable dust remover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202979066U CN202226812U (en) | 2011-08-15 | 2011-08-15 | Coke dry quenching device adopting cyclone dust extractor as primary dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202979066U CN202226812U (en) | 2011-08-15 | 2011-08-15 | Coke dry quenching device adopting cyclone dust extractor as primary dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202226812U true CN202226812U (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202979066U Ceased CN202226812U (en) | 2011-08-15 | 2011-08-15 | Coke dry quenching device adopting cyclone dust extractor as primary dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202226812U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102942939A (en) * | 2011-08-15 | 2013-02-27 | 北京华泰焦化工程技术有限公司 | Dry quenching device adopting cyclone dust collector as dust one-step collector |
| CN109233872A (en) * | 2018-11-09 | 2019-01-18 | 榆林学院 | A kind of factory's coke dry quenching furnace and dry coke quenching system |
-
2011
- 2011-08-15 CN CN2011202979066U patent/CN202226812U/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102942939A (en) * | 2011-08-15 | 2013-02-27 | 北京华泰焦化工程技术有限公司 | Dry quenching device adopting cyclone dust collector as dust one-step collector |
| CN102942939B (en) * | 2011-08-15 | 2015-07-01 | 北京华泰焦化工程技术有限公司 | Dry quenching device adopting cyclone dust collector as dust one-step collector |
| CN109233872A (en) * | 2018-11-09 | 2019-01-18 | 榆林学院 | A kind of factory's coke dry quenching furnace and dry coke quenching system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C32 | Full or partial invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20141124 Decision number of declaring invalidation: 24382 Granted publication date: 20120523 |