CN204704811U - A kind of flying ash circulating combustion device possessing desulfurizing function - Google Patents
A kind of flying ash circulating combustion device possessing desulfurizing function Download PDFInfo
- Publication number
- CN204704811U CN204704811U CN201520387860.5U CN201520387860U CN204704811U CN 204704811 U CN204704811 U CN 204704811U CN 201520387860 U CN201520387860 U CN 201520387860U CN 204704811 U CN204704811 U CN 204704811U
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- China
- Prior art keywords
- flying
- ash
- dust
- circulating combustion
- desulfurizing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 52
- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 37
- 239000000428 dust Substances 0.000 claims abstract description 71
- 239000002956 ash Substances 0.000 claims abstract description 48
- 239000002699 waste material Substances 0.000 claims abstract description 46
- 239000003245 coal Substances 0.000 claims abstract description 29
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 239000010881 fly ash Substances 0.000 claims abstract description 21
- 238000009826 distribution Methods 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 17
- 239000002918 waste heat Substances 0.000 claims description 9
- 239000002817 coal dust Substances 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 5
- 239000004571 lime Substances 0.000 claims description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 4
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 abstract description 16
- 230000023556 desulfurization Effects 0.000 abstract description 12
- 239000012717 electrostatic precipitator Substances 0.000 abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 239000011575 calcium Substances 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- 235000019738 Limestone Nutrition 0.000 description 7
- 238000005243 fluidization Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 239000006028 limestone Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 241001482108 Alosa pseudoharengus Species 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003134 recirculating effect Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- PDFKPHMIDDIXLR-UHFFFAOYSA-N fantrip Chemical compound FC1=C(F)C(F)=C2C=C(C=C3C4C5=CC6=CC7=C(F)C(F)=C(C(=C7C=C6C=C5C(C5=CC6=CC7=C(F)C(F)=C(F)C(F)=C7C=C6C=C54)C3=C3)F)F)C3=CC2=C1F PDFKPHMIDDIXLR-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Chimneys And Flues (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The utility model discloses a kind of flying ash circulating combustion device possessing desulfurizing function, ash collecting device is provided with bottom combined dust remover and electric cleaner, ash collecting device is connected with fly ash carry device, described desulfurizing agent reserving chamber is connected with fly ash carry device, flying dust distribution apparatus is arranged on tunnel type three-waste mixed fired boiler, flying dust distribution apparatus is connected with fly ash carry device, the utility model realizes the function that flying ash circulating combustion system possesses desulfurization, can obviously reduce desulfurization expense, the utility model thoroughly achieves the function of flying ash circulating combustion, greatly reduce flying dust carbon residue content, improve coal utilization rate, decrease environmental pollution, protect environment, be beneficial to boiler and improve operating load, the utility model realizes after electrostatic precipitator about 150 DEG C flying dusts and cyclone dust collectors about 900 DEG C flying dusts mix, a supply unit is adopted to be sent to three wastes stove combustion, reduce entreprise cost.
Description
[technical field]
The utility model relates to coal-burning boiler environmental technology field, specifically a kind of flying ash circulating combustion device possessing desulfurizing function.
[background technology]
The principle of three-waste fluidized mix combustion furnace is the principle that make use of coal (slag) Boiling Combustion, the mode of producing gas blower air distribution mixed combustion, by means of the portion of techniques of recirculating fluidized bed, have employed the pattern of producing gas blower waste heat recovery, by the gas-making cinder that static bed gas making production process produces, the thin ash of gas making deduster etc., mix and join part bituminous coal fluidized bed combustion light blowing-out gas in stove, produce high-temperature flue gas, realize heat recovery, therefore three-waste fluidized mix combustion furnace can reclaim waste residue, useless ash, waste gas, three-waste fluidized mix combustion furnace system is energy-saving and cost-reducing for many years, the comprehensive benefits such as safety and environmental protection have obtained the favorable comment of users' accreditation and expert, three-waste fluidized mix combustion furnace system once listed the environmental protection technology catalogue of national encourage growth in, for nitrogenous fertilizer, huge contribution has been made in methyl alcohol enterprise development.
The three-waste fluidized mix combustion furnace device about more than 250 that the current whole nation is being run overlaps, and wherein about more than 230 overlap tunnel-kiln type three wastes stove fluidisation mixed combustion furnace, and more than 20 overlap vertical three wastes stove fluidisation mixed combustion furnace, the supporting cyclone dust collectors of three wastes stove are separated grey phosphorus content about about 10-15%, three wastes stove supporting electrostatic precipitator one electric field flying dust carbon residue is about about 10-15%, conventional treatment mode is bottom cyclone dust collectors, establish scraper plate dragging ash machine to get rid of outside stove, humidifier or pneumatic ash transmitting system is established to discharge bottom electric cleaner, along with technological progress and environmental protection pressure increase, vertical three wastes stove fluidisation mixed combustion furnace newly-built in recent years starts to attempt adopting gray back technology (the grey gray back burner hearth circulating combustion cyclone separator is separated), but tunnel-kiln type three-waste fluidized mix combustion furnace is owing to being subject to the restriction of version, material returning device insufficient height, conventional material-returning device gray back cannot be adopted, current national more than 230 overlap tunnel-kiln type three wastes stove fluidisation mixed combustion furnace does not design and uses ash return device.
Three wastes stove mixed combustion furnace and CFBB are all high energy consumption projects, comparatively large by environmental protection pressure at present, flue gas desulfurization in the equal Compulsory Feature of country, denitrification apparatus, and flue gas desulfurization process is that current most enterprises must problems faced.
Therefore, for overcoming the deficiency of above-mentioned technology and designing and achieve the circulating combustion of flying dust in stove, greatly reduce flying dust carbon residue content, improve coal utilization rate; Efficiently solve the problem of coal burning flue gas desulfurization difficulty simultaneously, decrease environmental pollution, protect a kind of flying ash circulating combustion device possessing desulfurizing function of environment, inventor's problem to be solved just.
[utility model content]
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of flying ash circulating combustion device possessing desulfurizing function, achieves the circulating combustion of the flying dust with certain calorific value in three wastes stove that tunnel-kiln type three wastes stove produces; Efficiently solve a difficult problem for desulfurization in three-waste fluidized mix combustion furnace, Circulation fluidized-bed furnace simultaneously.
The utility model solves the technical scheme that its technical problem adopts: a kind of flying ash circulating combustion device possessing desulfurizing function, it comprises tunnel-kiln type three-waste mixed fired boiler, combined dust remover, electric cleaner, waste heat boiler, described device comprises ash collecting device, desulfurizing agent reserving chamber, fly ash carry device, flying dust distribution apparatus, ash collecting device is provided with bottom described combined dust remover and electric cleaner, described ash collecting device is connected with fly ash carry device, described desulfurizing agent reserving chamber is connected with fly ash carry device, described flying dust distribution apparatus is arranged on tunnel type three-waste mixed fired boiler, described flying dust distribution apparatus is connected with fly ash carry device.
Further, described ash collecting device is the coal powder collection storehouse be arranged on bottom combined dust remover and electric cleaner, and inside, described coal powder collection storehouse is provided with attemperator.
Further, described desulfurizing agent reserving chamber is lime powder bin, and described desulfurizing agent reserving chamber is sealed construction, and desulfurizing agent reserving chamber top is provided with blast pipe, is provided with level-sensing device inside desulfurizing agent reserving chamber.
Further, described fly ash carry device comprises conveying fan, material envelope pump, conveyance conduit, and described conveying fan is arranged on conveyance conduit one end, described conveyance conduit is installed several material envelope pump, and described material envelope pump upper end is connected with coal powder collection storehouse.
Further, described flying dust distribution apparatus comprises flying dust shower nozzle and coal dust cloth device, and described flying dust shower nozzle is connected with coal dust distributor, and described flying dust shower nozzle is arranged on the boiling section middle and upper part of tunnel type three-waste mixed fired boiler.
Further, described waste heat boiler comprises air preheater, and described air preheater connects willy-willy separator, is connected with coal powder collection storehouse bottom described cyclone separator.
The beneficial effects of the utility model are:
1, the utility model realizes the function that flying ash circulating combustion system possesses desulfurization, tradition adds by feeder the mode that pulverized limestone carries out desulfuration in furnace, when entering the ratio Ca/S=2.5 of hearthstone ashes calcium content with the molal quantity of as-fired coal sulfur content, desulfuration efficiency can reach 80 ℅, but pulverized limestone instream factor is lower, flying dust is taken away Ca0 amount and is accounted for 50%, flying dust is 2.08:1 with the ratio of Ca0 in slag, waste larger, and add pulverized limestone in the utility model flying ash circulating combustion device after, unreacted Ca0 can be realized burn at stove Inner eycle, enter hearthstone ashes calcium content and can reduce to Ca/S=1.6 with the ratio of the molal quantity of as-fired coal sulfur content, can obviously reduce desulfurization expense.
2, compared with conventional tunnel kiln formula three-waste fluidized mix combustion furnace; the utility model tunnel-kiln type three-waste mixed fired boiler thoroughly achieves the function of flying ash circulating combustion; flying dust carbon residue, by 10-15%, can drop to 6-8%, tunnel-kiln type three wastes stove energy gray back; achieve the circulating combustion of flying dust in stove; greatly reduce flying dust carbon residue content, improve coal utilization rate, efficiently solve the problem of coal burning flue gas desulfurization difficulty simultaneously; decrease environmental pollution, protect environment.
3, the utility model effectively can solve CFBB, and during three-waste fluidized mix combustion furnace use fat coal, burner hearth differential pressure diminishes, the problem that load can not improve, and controls burner hearth pressure reduction in the reasonable scope by flying dust internal circulating load, is beneficial to boiler and improves operating load.
4, the utility model realizes after electrostatic precipitator about 150 DEG C flying dusts and cyclone dust collectors about 900 DEG C flying dusts mix, adopting a supply unit to be sent to three wastes stove combustion, reducing entreprise cost.
[accompanying drawing explanation]
Fig. 1 is the utility model structural representation.
Description of reference numerals: 1-tunnel-kiln type three-waste mixed fired boiler; 2-combined dust remover; 3-waste heat boiler; 4-electric cleaner; 5-conveying fan; 6-material envelope pump; 7-coal powder collection storehouse; 8-conveyance conduit; 9-lime powder bin; 10-coal dust distributor; 11-flying dust shower nozzle.
[detailed description of the invention]
Below in conjunction with specific embodiment, set forth the utility model further, should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values drop on application appended claims limited range equally.
Be the utility model structural representation see Fig. 1, the utility model comprises tunnel-kiln type three-waste mixed fired boiler 1, combined dust remover 2, electric cleaner 4, waste heat boiler 3, device comprises ash collecting device, desulfurizing agent reserving chamber, fly ash carry device, flying dust distribution apparatus, ash collecting device is provided with bottom combined dust remover 2 and electric cleaner 4, ash collecting device is connected with fly ash carry device, desulfurizing agent reserving chamber is connected with fly ash carry device, flying dust distribution apparatus is arranged on tunnel type three-waste mixed fired boiler 1, and flying dust distribution apparatus is connected with fly ash carry device.
Ash collecting device is be arranged on the coal powder collection storehouse 7 bottom combined dust remover 2 and electric cleaner 4, inside, coal powder collection storehouse 7 is provided with attemperator, desulfurizing agent reserving chamber is lime powder bin 9, desulfurizing agent reserving chamber is sealed construction, desulfurizing agent reserving chamber top is provided with blast pipe, inside desulfurizing agent reserving chamber, level-sensing device is installed, fly ash carry device comprises conveying fan 5, material envelope pump 6, conveyance conduit 8, conveying fan 5 is arranged on conveyance conduit 8 one end, conveyance conduit 8 is installed several material envelope pump 6, material envelope pump 6 upper end is connected with coal powder collection storehouse 7, flying dust distribution apparatus comprises flying dust shower nozzle 11 and coal dust cloth device 10, flying dust shower nozzle 11 is connected with coal dust distributor 10, flying dust shower nozzle 11 is arranged on the boiling section middle and upper part of tunnel type three-waste mixed fired boiler 1, waste heat boiler 3 comprises air preheater, air preheater connects willy-willy separator, coal powder collection storehouse 7 is connected with bottom cyclone separator.
Ash collecting device in the utility model, main collection three place flying dust: (1) combined dust remover 2 dust inlet of tunnel-kiln type is transformed, remove former submerged slag conveyor, use coal powder collection storehouse 7 instead to collect, because of this place's coal ash temperatures as high 900 DEG C, inside holding process need be carried out to collecting bin, add attemperator; (2) transform the ash silo of recirculating fluidized bed, three wastes stove fluidisation mixed combustion furnace supporting volume electrostatic precipitator 4 one electric field, the ash that the rear electrostatic precipitator 4 of transformation realizes an electric field 70% realizes the effect of circulating combustion after again collecting; (3), for the producer not having electrostatic precipitator 4, large-scale cyclone separator can be increased after waste heat boiler 3 air preheater, carry out comprehensive collection by coal powder collection storehouse 7.
Desulfurizing agent reserving chamber in the utility model, special storage desulfurizing agent lime powder bin, storage is set to sealed, and be designed with blast pipe above, the inside is provided with level-sensing device, and bottom discharge mouth is connected with conveyance conduit 8.
Fly ash carry device of the present utility model, use for reference low pressure dilute phase continuous transfer pump technology, the flying dust that flying dust collecting bin is collected is entered by collecting bin in the pump housing of material envelope pump 6, material in the pump housing is through pump housing bottom fluidisation gas tank fluidizing air, diffusion mixing chamber is entered through nozzle at high speeds by air main, in the pump housing fluidisation material material envelope storehouse in material material pressure and nozzle negative pressure acting in conjunction under enter spread mixing chamber mix with air-flow, carried along in Cemented filling tunnel type three-waste mixed fired boiler 1 by air-flow, idiographic flow is: fly ash carry device is successively 150 DEG C of flying dusts of electrostatic precipitator 4 one electric field discharge, desulfurizing agent, pulverized limestone, the ash of 900 DEG C discharged with combined dust remover 2 is mixed into the grey gas mixture of temperature about 750 DEG C, be sent in tunnel type three-waste mixed fired boiler 1.
The utility model chooses flying dust shower nozzle 11, after mixing, flying dust is entering stokehold, be introduced into coal dust distributor 10, be injected at a certain angle in three wastes stove by flying dust shower nozzle 11, the flying dust entered in stove fully mixes with flue gas in a rotative pattern, burn more thorough, flying dust shower nozzle 11 is arranged on boiling section middle and upper part, ensures that flying dust has enough time of staying, after flying dust enters stove in stove again, upset original combustion balance, need readjust former Secondary Air distribution.
Control system of the present utility model, all realize DCS centralized Control, realize a key operation, the flying ash circulating combustion appliance arrangement possessing desulfurizing function can be come into operation, fly ash carry amount and recirculating fluidized bed differential pressure arrange self-regulated, the desulfurizing agent amount of filling into and S0 in flue gas
2content realizes self-regulated, arranges safety interlocking simultaneously, and as the tripping operation of three wastes stove feeder or fan trip, the flying dust circulatory system is automatically out of service.
The utility model realizes the function that flying ash circulating combustion system possesses desulfurization, tradition adds by feeder the mode that pulverized limestone carries out desulfuration in furnace, when entering the ratio Ca/S=2.5 of hearthstone ashes calcium content with the molal quantity of as-fired coal sulfur content, desulfuration efficiency can reach 80 ℅, but pulverized limestone instream factor is lower, flying dust is taken away Ca0 amount and is accounted for 50%, flying dust is 2.08:1 with the ratio of Ca0 in slag, waste larger, and add pulverized limestone in the utility model flying ash circulating combustion device after, unreacted Ca0 can be realized burn at stove Inner eycle, enter hearthstone ashes calcium content and can reduce to Ca/S=1.6 with the ratio of the molal quantity of as-fired coal sulfur content, can obviously reduce desulfurization expense.
Compared with conventional tunnel kiln formula three-waste fluidized mix combustion furnace; the utility model tunnel-kiln type three-waste mixed fired boiler 1 thoroughly achieves the function of flying ash circulating combustion; flying dust carbon residue, by 10-15%, can drop to 6-8%, tunnel-kiln type three wastes stove energy gray back; achieve the circulating combustion of flying dust in stove; greatly reduce flying dust carbon residue content, improve coal utilization rate, efficiently solve the problem of coal burning flue gas desulfurization difficulty simultaneously; decrease environmental pollution, protect environment.
The utility model effectively can solve CFBB, and during three-waste fluidized mix combustion furnace use fat coal, burner hearth differential pressure diminishes, the problem that load can not improve, and controls burner hearth pressure reduction in the reasonable scope by flying dust internal circulating load, is beneficial to boiler and improves operating load.
The utility model realizes after electrostatic precipitator about 150 DEG C flying dusts and cyclone dust collectors about 900 DEG C flying dusts mix, adopting a supply unit to be sent to three wastes stove combustion, reducing entreprise cost.
Claims (6)
1. one kind possesses the flying ash circulating combustion device of desulfurizing function, it comprises tunnel-kiln type three-waste mixed fired boiler, combined dust remover, electric cleaner, waste heat boiler, it is characterized in that: described device comprises ash collecting device, desulfurizing agent reserving chamber, fly ash carry device, flying dust distribution apparatus, ash collecting device is provided with bottom described combined dust remover and electric cleaner, described ash collecting device is connected with fly ash carry device, described desulfurizing agent reserving chamber is connected with fly ash carry device, described flying dust distribution apparatus is arranged on tunnel type three-waste mixed fired boiler, described flying dust distribution apparatus is connected with fly ash carry device.
2. a kind of flying ash circulating combustion device possessing desulfurizing function according to claim 1, it is characterized in that: described ash collecting device is the coal powder collection storehouse be arranged on bottom combined dust remover and electric cleaner, inside, described coal powder collection storehouse is provided with attemperator.
3. a kind of flying ash circulating combustion device possessing desulfurizing function according to claim 1, it is characterized in that: described desulfurizing agent reserving chamber is lime powder bin, described desulfurizing agent reserving chamber is sealed construction, desulfurizing agent reserving chamber top is provided with blast pipe, is provided with level-sensing device inside desulfurizing agent reserving chamber.
4. a kind of flying ash circulating combustion device possessing desulfurizing function according to claim 1, it is characterized in that: described fly ash carry device comprises conveying fan, material envelope pump, conveyance conduit, described conveying fan is arranged on conveyance conduit one end, described conveyance conduit is installed several material envelope pump, described material envelope pump upper end is connected with coal powder collection storehouse.
5. a kind of flying ash circulating combustion device possessing desulfurizing function according to claim 1, it is characterized in that: described flying dust distribution apparatus comprises flying dust shower nozzle and coal dust cloth device, described flying dust shower nozzle is connected with coal dust distributor, and described flying dust shower nozzle is arranged on the boiling section middle and upper part of tunnel type three-waste mixed fired boiler.
6. a kind of flying ash circulating combustion device possessing desulfurizing function according to claim 1, it is characterized in that: described waste heat boiler comprises air preheater, described air preheater connects willy-willy separator, is connected with coal powder collection storehouse bottom described cyclone separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520387860.5U CN204704811U (en) | 2015-06-09 | 2015-06-09 | A kind of flying ash circulating combustion device possessing desulfurizing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520387860.5U CN204704811U (en) | 2015-06-09 | 2015-06-09 | A kind of flying ash circulating combustion device possessing desulfurizing function |
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| Publication Number | Publication Date |
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| CN204704811U true CN204704811U (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520387860.5U Expired - Fee Related CN204704811U (en) | 2015-06-09 | 2015-06-09 | A kind of flying ash circulating combustion device possessing desulfurizing function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388239A (en) * | 2017-07-07 | 2017-11-24 | 彭思尧 | A kind of utilization system and method for the ultra-fine coal ash of low heat value |
| CN108592012A (en) * | 2018-04-13 | 2018-09-28 | 云南农业大学 | A kind of biomass combustion furnace of high effect cleaning |
-
2015
- 2015-06-09 CN CN201520387860.5U patent/CN204704811U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388239A (en) * | 2017-07-07 | 2017-11-24 | 彭思尧 | A kind of utilization system and method for the ultra-fine coal ash of low heat value |
| CN108592012A (en) * | 2018-04-13 | 2018-09-28 | 云南农业大学 | A kind of biomass combustion furnace of high effect cleaning |
| CN108592012B (en) * | 2018-04-13 | 2019-10-22 | 云南农业大学 | A kind of biomass combustion furnace of high effect cleaning |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 |