CN101493289A - Residual heat comprehensive utilization method for carbon calciner - Google Patents
Residual heat comprehensive utilization method for carbon calciner Download PDFInfo
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- CN101493289A CN101493289A CNA2009100144219A CN200910014421A CN101493289A CN 101493289 A CN101493289 A CN 101493289A CN A2009100144219 A CNA2009100144219 A CN A2009100144219A CN 200910014421 A CN200910014421 A CN 200910014421A CN 101493289 A CN101493289 A CN 101493289A
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- 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
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Abstract
The invention discloses a method for comprehensively utilizing the surplus heat of a carbon element calcining furnace. In the method, the high temperature smoke gas generated by eight layers of flame paths of the calcining furnace and the high temperature smoke gas generated by first layer surplus fugitive constituent introducing combustion are blended into an integrated surplus heat boiler to generate saturated vapor, the saturated vapor is sent back to a superheated vapor generator at the position of the high temperature smoke gas at the exit of the calcining furnace, so as to form the superheated vapor used for electricity generation and heat supply. 1<#> calcining furnace and 2<#> calcining furnace are arranged symmetrically, a high temperature smoke gas collection area is arranged between the 1<#> calcining furnace and 2<#> calcining furnace, the front end of the high temperature smoke gas collection area is connected and provided with a high temperature superheated vapor device, and the upper end of the high temperature superheated vapor device is equipped with a superheated vapor outlet. A desuperheater is arranged in front of the high temperature superheated vapor device, and a low temperature superheater is arranged in front of the desuperheater. A saturated vapor generator is connected and arranged in front of the low temperature superheater, and a coal economizer and a draught fan are connected and arranged in front of the saturated vapor generator. The invention has the advantages of reasonable structure, good adjustability and obvious energy saving effect.
Description
Technical field:
The present invention relates to residual heat integrative and utilize technology, relate in particular to the method that the carbon calciner residual heat integrative utilizes.
Background technology:
In the production of carbon element industry, calcine technology equipment extensively adopts can-type calcine furnace at present, and its UTILIZATION OF VESIDUAL HEAT IN generally adopts pipestill for heat carrier that 1000 to 1100 ℃ of high-temperature flue gas of its generation are absorbed, to solve required heat energy in the carbon element production process.But since carbon element to produce required heat energy less, so there is severe energy waste in the exhaust gas temperature of pipestill for heat carrier up to more than 500 ℃, do not meet the energy-saving and emission-reduction policy of current country promotion.
Summary of the invention:
The objective of the invention is to, overcome the deficiencies in the prior art part, the method that provides a kind of carbon calciner residual heat integrative to utilize, calcining furnace and waste heat boiler are carried out integrated design, utilize the high-temperature flue gas of calcining furnace to form the hyperthermia and superheating steam unit, to satisfy the needs of generating or heat supply, final exhaust gas temperature≤160 ℃ has improved more than 25% the heat energy utilization rate.
The method that carbon calciner residual heat integrative of the present invention utilizes, the high-temperature flue gas of high-temperature flue gas and this device that 8 layers of quirk of calcining furnace are produced distinctive " the unnecessary fugitive constituent of the first floor ignite outward burning " formation incorporates incorporate waste heat boiler, the counter again superheated steam generator of delivering to calcining furnace outlet high-temperature flue gas place of the saturated vapor that waste heat boiler forms forms the superheated steam that satisfies generating and heat supply and is used for generating and heat supply.Adopt the heating of petroleum coke self fugitive constituent, every jar of withdrawal rate 90kg/h, build together and establish 160 jars, total withdrawal rate 14400kg/h, the input and output rate is calculated with 75%, then drop into raw material amount 19200kg/h, moisture is 8% in the raw material components, and fugitive constituent is 10%, carbon scaling loss 5%, other 2%, form to enter and concentrate the exhaust gas volumn of gas flue to be:
V
Water vapour=19200 * 8% * 22.4 ÷ 18=1911Nm
3/ h
V
Fugitive constituent=19200 * 10% * 22.4 ÷ 6.33 * 5.016=34080Nm
3/ h
V
The charcoal scaling loss=19200 * 5% * 22.4 ÷ 12 ÷ 21%=8533Nm
3/ h
In the formula: 6.33 is the fugitive constituent average molecular mass; 5.016 be that the completing combustion of unit volume fugitive constituent generates exhaust gas volumn; 21% is oxygen content in the air.
V
Cigarette is total=V
Water+ V
Wave+ V
Decrease=1911+34080+8533=44524Nm
3/ h
In practical operation, each layer quirk all has air distribution in various degree, the flue gas of above-mentioned 44524Nm3/h is the data ideally in oxygen content 0%, so, in said process, consume how much oxygen amount altogether? is there how much nitrogen to be brought into behind the oxygen consumption again? after tested, the main constituent of flue gas is:
The flue gas main component
| Composition | CO 2 | H 2O | O 2 | N 2 |
| Volume ratio/(%) | 4.0 | 5.0 | 15.5 | 61.5 |
| Specific heat capacity in the time of 1000 ℃/(kJ/m 3·℃) | 2.21 | 1.74 | 1.50 | 1.41 |
| Specific heat capacity in the time of 200 ℃/(kJ/m 3·℃) | 1.83 | 1.53 | 1.37 | 1.30 |
CO
2The formed N of oxygen consumption
2The amount that is mixed in the flue gas is:
V
CO2＝32÷44×44524×4％×78％÷21％＝4810Nm
3/h
The formed N of the oxygen consumption of CO
2The amount that is mixed in the flue gas is:
V
CO＝16÷28×44524×10％×78％÷21％＝9450Nm
3/h
The N that superfluous oxygen amount is brought in the flue gas
2Amount is:
V
Cross=44524 * 15.5% * 78% ÷ 21%=25633Nm
3/ h
V
Nitrogen=4810+9450+25633=39893Nm
3/ h
Actual discharge flue gas total amount: V=44524+39893=84417Nm
3/ h
Actual measurement flue gas flow 26800m
3/ h (48 jars), every jar produces exhaust gas volumn 558.33m
3/ h, 160 jars of common properties are given birth to exhaust gas volumn 89332m
3/ h.
Flue gas main component, specific heat capacity are as shown in table 1 by analysis, and the waste heat boiler input gas temperature is by 1000 ℃, and outlet is by 200 ℃:
C
1 P＝2.21×18％+1.50×15.5％+1.74×5％+1.41×61.5％＝1.58445KJ/m
3·℃
C
2 P＝1.83×18％+1.37×15.5％+1.53×5％+1.30×61.5％＝1.4182KJ/m
3·℃
Total heat in the flue gas: Q
Cigarette=V
Cigarette(t
Advance* C
1 P-t
Go out* C
2 P)=89332 (1000 * 1.5845-200 * 1.4182)=116208425.5KJ/h=27801058.74Kcal/h
In the formula: Q
Cigarette---the heat that flue gas provides, kJ/h; V
Cigarette-flue gas cumulative volume, m
3t
Advance---the waste heat boiler input gas temperature, ℃; t
Go out---the heat boiler outlet flue-gas temperature, ℃; C
1 P---the mean specific heat during 1000 ℃ of flue gases, kJ/ (m
3℃); C
2 P---the mean specific heat of flue gas in the time of 200 ℃, kJ/ (m
3℃).
The signature coal calculates: the calorific value by 1 kilogram of mark of national standard coal is defined as 7000kcal/kg, coal conservation W hourly is: W=27801058.74/7000/1000=3.972t/h, saving mark coal amount Q year should be: Q=3.972 * 24 * 330=31458.24 ton, annual more than 30,000 ton in the mark coal of saving, energy saving effect is very outstanding.
The main effect of calcining furnace: the petroleum coke 1250 ℃ of high-temperature calcinations in stove with the outsourcing gained, the fugitive constituent in the petroleum coke is overflowed fully, become and produce the used raw material of carbon element, promptly forge back Jiao, produce 1000～1100 ℃ a large amount of high-temperature flue gas simultaneously.
Calcining furnace draws the fugitive constituent passage outward:
The effect of drawing the burning gallery of fugitive constituent outward: when the fugitive constituent of outsourcing petroleum coke was high, the temperature of the calcining furnace first floor can be higher than 1250 ℃, can significantly reduce the service life of calcining furnace like this.For control first floor temperature is lower than 1250 ℃, must reduce after the going into the stove amount or return the forging of mixing finished product of petroleum coke burntly, cause the actual production decline of forging back Jiao.For solving this contradiction, when the design calcining furnace, should increase the outer fugitive constituent burning gallery that draws, with the fully burning outside stove of unnecessary fugitive constituent, both guaranteed to forge the burnt output in back, in the life-span of having guaranteed calcining furnace again, the high-temperature flue gas of formation is as the raw material vapour of waste heat boiler.
The high-temperature flue gas pooling zone:
Calcining furnace and outer 1000～1100 ℃ high-temperature flue gas collection region of drawing the formation of fugitive constituent burning gallery.The present invention is provided with 1
#, 2
#Calcining furnace and outer 1000～1100 ℃ high-temperature flue gas collection region of drawing the formation of fugitive constituent burning gallery.
Saturated steam generator:
After 1000～1100 ℃ of high-temperature flue gas pass through low temperature superheater, hyperthermia and superheating steam unit, attemperator, arrive the inlet of saturated steam generator, inlet temperature forms saturated vapor in saturated steam generator about 800～850 ℃.
Low temperature superheater:
The saturated vapor that is produced by saturated steam generator forms cryogenic overheating steam in this device.
The hyperthermia and superheating steam unit:
The cryogenic overheating steam that is formed by low temperature superheater forms hyperthermia and superheating steam in the hyperthermia and superheating steam unit.
Attemperator:
The target of the hyperthermia and superheating steam that is formed by the hyperthermia and superheating steam unit is: 3.8MPa,, when being higher than this index, injecting 104 ℃ desuperheating water with attemperator equipment from the desuperheating water device and regulate, the effect of Here it is attemperator by 450 ± 15 ℃.
Economizer A and economizer B:
The effect of said economizer A and economizer B is to utilize this device will enter the cold water of steam raising plant, carries out heat exchange with useless flue gas, the one, improve the coolant-temperature gage of going into that enters steam raising plant; The 2nd, the relative temperature of the useless flue gas of reduction makes it≤155 ℃, comprehensively improves the heat utilization efficiency of flue gas.
Air-introduced machine:
The blower fan of useless fume emission.
The superheated steam outlet:
The outlet of finished product superheated steam, female pipe of steam flow steam turbine generator steam or heat supply network.
The desuperheating water device:
The desuperheating water porch of attemperator.
Petroleum coke enters the furnace roof of calcining furnace through elevator, distributes to each cell through material distributing machine, is cooled to behind 8 layers of quirk of lease making from top to bottom that to forge the back burnt, the raw material of producing as carbon element.
The saturated steam generator part that enters waste-heat oven after high-temperature flue gas that 8 layers of quirk forms and the high-temperature flue gas that draws the formation of fugitive constituent burning gallery outward compile, the saturated vapor that forms is counter again flow into low temperature superheater, attemperator and hyperthermia and superheating steam unit after, form 3.8MPa, 450 ± 15 ℃ medium temperature and medium pressure superheated steam drives steam turbine generator or heating network and uses.When the first floor fire path temperature of 8 layers of quirk surpasses 1250 ℃, strengthen the outer air quantity that draws fugitive constituent calcining passage, with life-span of guaranteeing calcining furnace and make full use of waste heat.When the mixed flue gas temperature is higher than 1050 ℃, also strengthens the outer cool water quantity that draws the fugitive constituent burning gallery simultaneously and carry out adjustment.
In order to reduce SO2 in the flue gas to the corrosion of follow-up Cryo Equipment, the generating means of saturated vapor does not adopt 104 ℃ thermal de-aeration, and adopts 135 ℃ high temperature thermal de-aeration.In order fully to improve the utilization rate of fume afterheat, the present invention strengthens the area of economizer, makes exhaust gas temperature≤155 ℃, the whole efficient that improves device.Because calcining furnace draws the fugitive constituent passage outward and leads directly to, the centre does not have material, so its SR much smaller than the resistance of 8 layers of quirk, has controllability so calcining furnace draws the fugitive constituent passage outward.
Calcining furnace draws the fugitive constituent passage outward and is provided with volume adjusting apparatus one cover and adjustable air inlet device one cover, experiment showed, that its investment results, energy-saving effect and environment protecting are all good.The calcining furnace that the method for carbon calciner residual heat integrative of the present invention utilization relates to draws the fugitive constituent passage outward, and is rational in infrastructure, and controllability is good, thus the good stability of operation, the reliability height.Whole energy-saving effect is remarkable, meets development thought.
Description of drawings:
Accompanying drawing is based on the structural schematic diagram of the method for carbon calciner residual heat integrative utilization of the present invention.1-1
#Calcining furnace 2-superheated steam outlet 3-desuperheating water device 4-economizer A 5-economizer B 6-air-introduced machine 7-saturation generator 8-low temperature superheater 9-attemperator 10-hyperthermia and superheating steam unit 11-2
#Calcining furnace 12-2
#Calcining furnace draws fugitive constituent passage 13 high-temperature flue gas pooling zone 14-1 outward
#Calcining furnace draws the fugitive constituent passage outward
The specific embodiment:
Referring now to accompanying drawing 1, method to carbon calciner residual heat integrative of the present invention utilization is described in detail as follows in conjunction with the embodiments: the method that carbon calciner residual heat integrative of the present invention utilizes, the high-temperature flue gas of high-temperature flue gas and this device that 8 layers of quirk of calcining furnace are produced distinctive " the unnecessary fugitive constituent of the first floor ignite outward burning " formation incorporates incorporate waste heat boiler, the counter again superheated steam generator of delivering to calcining furnace outlet high-temperature flue gas place of the saturated vapor that waste heat boiler forms forms the superheated steam that satisfies generating and heat supply and is used for generating and heat supply.Adopt the heating of petroleum coke self fugitive constituent, every jar of withdrawal rate 90kg/h, build together and establish 160 jars, total withdrawal rate 14400kg/h, the input and output rate is calculated with 75%, then drop into raw material amount 19200kg/h, moisture is 8% in the raw material components, and fugitive constituent is 10%, carbon scaling loss 5%, other 2%, form to enter and concentrate the exhaust gas volumn of gas flue to be:
V
Water vapour=19200 * 8% * 22.4 ÷ 18=1911Nm
3/ h
V
Fugitive constituent=19200 * 10% * 22.4 ÷ 6.33 * 5.016=34080Nm
3/ h
V
The charcoal scaling loss=19200 * 5% * 22.4 ÷ 12 ÷ 21%=8533Nm
3/ h
In the formula: 6.33 is the fugitive constituent average molecular mass; 5.016 be that the completing combustion of unit volume fugitive constituent generates exhaust gas volumn; 21% is oxygen content in the air.
V
Cigarette is total=V
Water+ V
Wave+ V
Decrease=1911+34080+8533=44524Nm
3/ h
CO
2The formed N of oxygen consumption
2The amount that is mixed in the flue gas is:
V
CO2＝32÷44×44524×4％×78％÷21％＝4810Nm
3/h
The formed N of the oxygen consumption of CO
2The amount that is mixed in the flue gas is:
V
CO＝16÷28×44524×10％×78％÷21％＝9450Nm
3/h
The N that superfluous oxygen amount is brought in the flue gas
2Amount is:
V
Cross=44524 * 15.5% * 78% ÷ 21%=25633Nm
3/ h
V
Nitrogen=4810+9450+25633=39893Nm
3/ h
Actual discharge flue gas total amount: V=44524+39893=84417Nm
3/ h
Actual measurement flue gas flow 26800m
3/ h (48 jars), every jar produces exhaust gas volumn 558.33m
3/ h, 160 jars of common properties are given birth to exhaust gas volumn 89332m
3/ h.
Flue gas main component, specific heat capacity are as shown in table 1 by analysis, and the waste heat boiler input gas temperature is by 1000 ℃, and outlet is by 200 ℃:
C
1 P＝2.21×18％+1.50×15.5％+1.74×5％+1.41×61.5％＝1.58445KJ/m
3·℃
C
2 P＝1.83×18％+1.37×15.5％+1.53×5％+1.30×61.5％＝1.4182KJ/m
3·℃
Total heat in the flue gas: Q
Cigarette=V
Cigarette(t
Advance* C
1 P-t
Go out* C
2 P)=89332 (1000 * 1.5845-200 * 1.4182)=116208425.5KJ/h=27801058.74Kcal/h
In the formula: Q
Cigarette---the heat that flue gas provides, kJ/h; V
Cigarette---flue gas cumulative volume, m
3t
Advance---the waste heat boiler input gas temperature, ℃; t
Go out---the heat boiler outlet flue-gas temperature, ℃; C
1 P---the mean specific heat during 1000 ℃ of flue gases, kJ/ (m
3℃); C
2 P---the mean specific heat of flue gas in the time of 200 ℃, kJ/ (m
3℃).
The signature coal calculates: the calorific value by 1 kilogram of mark of national standard coal is defined as 7000kcal/kg, coal conservation W hourly is: W=27801058.74/7000/1000=3.972t/h, saving mark coal amount Q year should be: Q=3.972 * 24 * 330=31458.24 ton, annual more than 30,000 ton in the mark coal of saving, energy saving effect is very outstanding.
1
#Calcining furnace 1 and 2
#Calcining furnace 11 is symmetrical arranged, 1
#Calcining furnace 1 and 2
#Between the calcining furnace 11, be provided with high-temperature flue gas pooling zone 13,1
#The outer end of calcining furnace 1 is connected with 1
#Calcining furnace draws fugitive constituent passage 14 outward, 2
#The outer end of calcining furnace 11 equally also is connected with 2
#Calcining furnace draws fugitive constituent passage 12 outward.At the front end of high-temperature flue gas pooling zone 13, also be certainly 1
#Calcining furnace 1 and 2
#The front end of calcining furnace 11 is connected with hyperthermia and superheating steam unit 10, and the upper end of said hyperthermia and superheating steam unit 10 is provided with superheated steam outlet 2.In the front of said hyperthermia and superheating steam unit 10, be provided with attemperator 9, the front of attemperator 9 is provided with low temperature superheater 8 again, on said attemperator 9 and tie point that low temperature superheater 8 is connected, is provided with desuperheating water device 3.The front of low temperature superheater 8 is connected with saturated steam generator 7, in the front of said saturated steam generator 7, is connected with economizer A4 and economizer B5 again, is connected with economizer B5 with said economizer A4, is provided with air-introduced machine 6.
1
#Calcining furnace 1 and 1
#The main effect of calcining furnace 11: the petroleum coke 1250 ℃ of high-temperature calcinations in stove with the outsourcing gained, the fugitive constituent in the petroleum coke is overflowed fully, become and produce the used raw material of carbon element, promptly forge back Jiao, produce 1000～1100 ℃ a large amount of high-temperature flue gas simultaneously.
1
#Calcining furnace draws fugitive constituent passage and 2 outward
#Calcining furnace draws the fugitive constituent passage outward:
1
#Calcining furnace draws fugitive constituent passage and 2 outward
#Calcining furnace draws the effect of fugitive constituent passage outward: when the fugitive constituent of outsourcing petroleum coke was high, the temperature of the calcining furnace first floor can be higher than 1250 ℃, can significantly reduce the service life of calcining furnace like this.For control first floor temperature is lower than 1250 ℃, must reduce after the going into the stove amount or return the forging of mixing finished product of petroleum coke burntly, cause the actual production decline of forging back Jiao.For solving this contradiction, when the design calcining furnace, should increase the outer fugitive constituent burning gallery that draws, with the fully burning outside stove of unnecessary fugitive constituent, both guaranteed to forge the burnt output in back, in the life-span of having guaranteed calcining furnace again, the high-temperature flue gas of formation is as the raw material vapour of waste heat boiler.The said calcining furnace of the present invention draws the fugitive constituent passage outward, includes and 1
#Calcining furnace match 1
#Calcining furnace draws the fugitive constituent passage outward and with 2
#Calcining furnace match 2
#Calcining furnace draws the fugitive constituent passage outward.
High-temperature flue gas pooling zone 13:
Calcining furnace and outer 1000～1100 ℃ high-temperature flue gas collection region of drawing the formation of fugitive constituent burning gallery.The present invention is provided with 1
#Calcining furnace, 2
#Calcining furnace and outer 10001100 ℃ the high-temperature flue gas pooling zone 13 that draws the formation of fugitive constituent burning gallery.
Saturated steam generator 7:
Behind 1000～1100 ℃ of high-temperature flue gas process hyperthermia and superheating steam units 10, attemperator 9 and low temperature superheaters 8, arrive the inlet of saturated steam generator 7, inlet temperature forms saturated vapor in saturated steam generator 7 about 800～850 ℃.
Low temperature superheater 8:
The saturated vapor that is produced by saturated steam generator 7 forms cryogenic overheating steam in this device.Low temperature superheater 8 is connected with saturated steam generator 7.
Hyperthermia and superheating steam unit 10:
The cryogenic overheating steam that is formed by low temperature superheater 8 forms hyperthermia and superheating steam in hyperthermia and superheating steam unit 10.
Attemperator 9:
The target of the hyperthermia and superheating steam that is formed by hyperthermia and superheating steam unit 10 is: 3.8MPa,, when being higher than this index, regulate the effect of Here it is attemperator 9 by 450 ± 15 ℃ from the desuperheating water that desuperheating water device 3 injects 104 ℃ with attemperator 9 equipment.
Economizer A and economizer B:
The effect of economizer A and economizer B is to utilize this device will enter the cold water of steam raising plant, carries out heat exchange with useless flue gas, the one, improve the coolant-temperature gage of going into that enters steam raising plant; The 2nd, the relative temperature of the useless flue gas of reduction makes it≤155 ℃, comprehensively improves the heat utilization efficiency of flue gas.
Air-introduced machine 6:
The blower fan of useless fume emission.
Superheated steam outlet 2:
The outlet of finished product superheated steam, female pipe of steam flow steam turbine generator steam or heat supply network.
Desuperheating water device 3:
The desuperheating water porch of attemperator 9.
Petroleum coke enters the furnace roof of calcining furnace through elevator, distributes to each cell through material distributing machine, is cooled to behind 8 layers of quirk of lease making from top to bottom that to forge the back burnt, the raw material of producing as carbon element.
The saturated steam generator part that enters waste-heat oven after high-temperature flue gas that 8 layers of quirk forms and the high-temperature flue gas that draws the formation of fugitive constituent burning gallery outward compile, the saturated vapor that forms is counter again flow into low temperature superheater 8, attemperator 9 and hyperthermia and superheating steam unit 10 after, form 3.8MPa, 450 ± 15 ℃ medium temperature and medium pressure superheated steam drives steam turbine generator or heating network and uses.When the first floor fire path temperature of 8 layers of quirk surpasses 1250 ℃, strengthen the air quantity that calcining furnace draws the fugitive constituent passage outward, with life-span of guaranteeing calcining furnace and make full use of waste heat.When the mixed flue gas temperature is higher than 1050 ℃, also strengthens simultaneously the cool water quantity that calcining furnace draws the fugitive constituent passage outward and carry out adjustment.
In order to reduce the SO in the flue gas
2To the corrosion of follow-up Cryo Equipment, the generating means of saturated vapor does not adopt 104 ℃ thermal de-aeration, and adopts 135 ℃ high temperature thermal de-aeration.In order fully to improve the utilization rate of fume afterheat, the present invention strengthens the area of economizer, makes exhaust gas temperature≤155 ℃, the whole efficient that improves device.Because drawing the fugitive constituent burning gallery outward leads directly to, the centre does not have material, so its SR much smaller than the resistance of 8 layers of quirk, draws the fugitive constituent burning gallery beyond the institute and has controllability.Calcining furnace draws the fugitive constituent passage outward and is provided with volume adjusting apparatus one cover and adjustable air inlet device one cover, experiment showed, that its investment results, energy-saving effect and environment protecting are all good.The calcining furnace that the method for carbon calciner residual heat integrative of the present invention utilization relates to draws the fugitive constituent passage outward, and is rational in infrastructure, and controllability is good, thus the good stability of operation, the reliability height.Whole energy-saving effect is remarkable, meets development thought.
Claims (1)
1, the method for carbon calciner residual heat integrative utilization, the high-temperature flue gas of high-temperature flue gas and this device that 8 layers of quirk of calcining furnace are produced distinctive " the unnecessary fugitive constituent of the first floor ignite outward burning " formation incorporates incorporate waste heat boiler, the counter again superheated steam generator of delivering to calcining furnace outlet high-temperature flue gas place of the saturated vapor that waste heat boiler forms, form the superheated steam that satisfies generating and heat supply and be used for generating and heat supply, it is characterized in that 1
#Calcining furnace (1) and 2
#Calcining furnace (1) 1 is symmetrical arranged, 1
#Calcining furnace (1) and 2
#Between the calcining furnace (11), be provided with high-temperature flue gas pooling zone (13), 1
#The outer end of calcining furnace (1) is connected with 1
#Calcining furnace draws fugitive constituent passage (14) outward, 2
#The outer end of calcining furnace (11) equally also is connected with 2
#Calcining furnace draws fugitive constituent passage (12) outward, and the front end in high-temperature flue gas pooling zone (13) also is 1 certainly
#Calcining furnace (1) and 2
#The front end of calcining furnace (11) is connected with hyperthermia and superheating steam unit (10), and the upper end of said hyperthermia and superheating steam unit (10) is provided with superheated steam outlet (2); Front at said hyperthermia and superheating steam unit (10), be provided with attemperator (9), the front of attemperator (9) is provided with low temperature superheater (8) again, on said attemperator (9) and tie point that low temperature superheater (8) is connected, is provided with desuperheating water device (3); The front of low temperature superheater (8), be connected with saturated steam generator (7), the front in said saturated steam generator (7) is connected with economizer A (4) and economizer B (5) again, be connected with economizer B (5) with said economizer A (4), be provided with air-introduced machine (6).
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242921A (en) * | 2011-05-05 | 2011-11-16 | 中材节能股份有限公司 | Waste heat boiler for power generating system based on tail gas waste heat of pot-type carbon calcining furnace |
| CN104121776A (en) * | 2014-07-04 | 2014-10-29 | 石家庄新华能源环保科技股份有限公司 | Industrial furnace with power generation device |
| CN107687766A (en) * | 2016-08-03 | 2018-02-13 | 天津华赛尔传热设备有限公司 | A kind of carbon calciner flue-gas-cooling system |
| CN109028981A (en) * | 2018-07-04 | 2018-12-18 | 百色皓海碳素有限公司 | The method of exhaust heat recovery power generation |
| CN113267049A (en) * | 2021-06-02 | 2021-08-17 | 济宁碳素集团有限公司 | Flue gas treatment method and device |
| CN114135857A (en) * | 2021-06-29 | 2022-03-04 | 华电莱州发电有限公司 | Method for controlling flow of desuperheating water of low-load section superheater of boiler |
-
2009
- 2009-02-14 CN CN2009100144219A patent/CN101493289B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242921A (en) * | 2011-05-05 | 2011-11-16 | 中材节能股份有限公司 | Waste heat boiler for power generating system based on tail gas waste heat of pot-type carbon calcining furnace |
| CN104121776A (en) * | 2014-07-04 | 2014-10-29 | 石家庄新华能源环保科技股份有限公司 | Industrial furnace with power generation device |
| CN104121776B (en) * | 2014-07-04 | 2016-06-01 | 石家庄新华能源环保科技股份有限公司 | With the industrial furnace of power generation assembly |
| CN107687766A (en) * | 2016-08-03 | 2018-02-13 | 天津华赛尔传热设备有限公司 | A kind of carbon calciner flue-gas-cooling system |
| CN109028981A (en) * | 2018-07-04 | 2018-12-18 | 百色皓海碳素有限公司 | The method of exhaust heat recovery power generation |
| CN113267049A (en) * | 2021-06-02 | 2021-08-17 | 济宁碳素集团有限公司 | Flue gas treatment method and device |
| CN114135857A (en) * | 2021-06-29 | 2022-03-04 | 华电莱州发电有限公司 | Method for controlling flow of desuperheating water of low-load section superheater of boiler |
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|---|---|
| CN101493289B (en) | 2011-11-30 |
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