CN204041138U - A kind of IGCC Poly-generation periodic off-gases recycling system - Google Patents
A kind of IGCC Poly-generation periodic off-gases recycling system Download PDFInfo
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- CN204041138U CN204041138U CN201420533365.6U CN201420533365U CN204041138U CN 204041138 U CN204041138 U CN 204041138U CN 201420533365 U CN201420533365 U CN 201420533365U CN 204041138 U CN204041138 U CN 204041138U
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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
- 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
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The utility model is relevant a kind of IGCC Poly-generation periodic off-gases recycling system, this system comprises the gasification system connected successively, synthetic gas cleaning system and hydrogen system, its improvement is, also comprise combustion furnace and there is the steam generating system of exhaust heat boiler, the IGCC Poly-generation periodic off-gases of described hydrogen system enters combustion furnace, the flue gas of described combustion furnace enters described exhaust heat boiler, and the clean synthetic gas of synthetic gas cleaning system enters this combustion furnace, in addition, described hydrogen system connects a crude oil refinery system, the refinery periodic off-gases that this crude oil refinery system produces also enters in this combustion furnace, using this hydrogen system produce IGCC Poly-generation periodic off-gases and crude oil refinery process produce refinery periodic off-gases at clean synthetic gas as afterburning gas, and pass into air or oxygen as under the condition of combustion air, to be burnt heat production, and this heat is used for steam electric power, thus this periodic off-gases is effectively made full use of.
Description
Technical field
The utility model relates to gasification field, particularly relates to a kind of IGCC Poly-generation periodic off-gases recycling system.
Background technique
Integrated gasification combined cycle for power generation (Integrated Gasification Combined Cycle is called for short IGCC) is one of novel, efficient Clean Coal Power Generating Technologies.IGCC generation technology combines combined cycle generation technology and Coal Gasification and gas purification technology, is called IGCC Poly-generation.
IGCC Poly-generation is with leading can expansion as giving gas, for virgin gas, for hydrogen and production carbon one chemicals etc. of gasifying, can expand as power supply, heat supply, cooling so that power is leading, divide with sky and leadingly can provide oxygen, nitrogen, argon gas etc., and combined by the step of Energy harvesting, realize sustainable development and recycling economy.There is high efficiency, clean, economize on water, adapt to fuel extensively, CO
2trapping cost is low, is easy to realize the advantages such as multiple-supplying.For above refinery project demands, adopt the advantage of IGCC Poly-generation, combining with refinery project, is also the technical way with Modern Coal-based Chemical, the project assorted utility island of Large Efficient refinery.
Coal gasification, liquefaction and destructive distillation are the main method of coal comprehensive utilization.Utilize these manufacturing process can obtain multiple organic compound from coal.Coal gasification is exactly process coal being converted into inflammable gas, and at high temperature coal and water vapour effect obtains CO, H
2, CH
4deng gas, the gas of generation can be used as fuel or material gas.
Can generating portion periodic off-gases in crude oil refinery process, so-called periodic off-gases refers to the gas that do not participate in reacting or can not utilize because grade is too low, gathers and the gas that produces in chemical industry equipment or pipeline.Along with oil refining enterprise constantly expands the demand of hydrogen, hydrogen has become the important component part of oil refining enterprise.And improving constantly along with Gas Prices, adopt and adopted by refinery by the technology path of waste hydrogen is more and more with coal, in coal gasification course, hydrogen making unit also can generating portion periodic off-gases.
These periodic off-gases cleanlinesss are higher, and the content of corrosive impurity is little, and main component is H
2, CO and some hydrocarbon material, these periodic off-gases have the more stable advantage of source of the gas simultaneously.
But, because the gas heating value of these periodic off-gases is less, use being of limited application of these periodic off-gases, at present the hydrogen reclaimed in periodic off-gases is mainly to periodic off-gases application, or for boiler burning, this gas even directly discharges sky by some producer, and these periodic off-gases could not be fully utilized.
Model utility content
Problem to be solved in the utility model is, in existing IGCC Poly-generation technology, periodic off-gases is not fully used.
The technological means that the utility model adopts is: a kind of IGCC Poly-generation periodic off-gases recycling system, comprise the gasification system, synthetic gas cleaning system and the hydrogen system that connect successively, its improvement is, also comprise combustion furnace and there is the steam generating system of exhaust heat boiler, the IGCC Poly-generation periodic off-gases of hydrogen system enters combustion furnace, and the flue gas of described combustion furnace enters exhaust heat boiler.
Wherein, the clean synthetic gas of described synthetic gas cleaning system enters combustion furnace, or the combustion gas storage device storing rock gas or liquefied petroleum gas (LPG) is connected with described combustion furnace.
Wherein, described hydrogen system is connected with a crude oil refinery system, and the hydrogen of this hydrogen system enters crude oil refinery system, and the refinery periodic off-gases of described crude oil refinery system enters described combustion furnace.
The beneficial effect of this portion of techniques scheme is: the periodic off-gases that the periodic off-gases produce the hydrogen process of IGCC Poly-generation and crude oil refinery process produce effectively makes full use of, the heat that periodic off-gases burning produces is used for steam electric power, add gross generation, energy saving.
The synthetic gas that gasification manufactures can as the afterburning gas of periodic off-gases burning, or utilize the inflammable gass such as existing rock gas as its afterburning gas, make periodic off-gases burning heat yield increase, the selection of afterburning gas is various, utilize clean synthetic gas as afterburning gas, reduce periodic off-gases burning cost.
Wherein, described combustion furnace has the first firing chamber and the second firing chamber that are interconnected, and the clean synthetic gas of described synthetic gas cleaning system enters the first firing chamber and the second firing chamber respectively, and the supply line of clean synthetic gas is provided with controlling device.
Described combustion furnace connects an air separation facility, and the oxygen of described air separation facility enters the first firing chamber and second firing chamber of combustion furnace; Or described combustion furnace connects an auxiliary combustion equipment, described auxiliary combustion equipment is the first blower and the second blower that are connected with the first firing chamber and the second firing chamber respectively.
The beneficial effect that this portion of techniques scheme can reach is: the combustion air of periodic off-gases burning can be the oxygen manufactured in the air that blasts of auxiliary combustion equipment or air separation facility, combustion air can provide the oxygen required for burning on the one hand, reduce the consumption of clean synthetic gas, on the other hand, the high-temperature flue gas that can promote periodic off-gases burning generation fast enters the boiler of steam generating system, thus quickening steam electric power, and the feeding unit of oxygen in air separation facility or gasification system.
In order to effectively utilize periodic off-gases further, combustion furnace being divided into two chambers, then adding afterburning gas and combustion air respectively, the utilization ratio of periodic off-gases is increased further.
Accompanying drawing explanation
Fig. 1 is an implementing procedure figure of the utility model IGCC Poly-generation periodic off-gases recycling system.
Fig. 2 is another implementing procedure figure of the utility model IGCC Poly-generation periodic off-gases recycling system.
Fig. 3 is the another implementing procedure figure of the utility model IGCC Poly-generation periodic off-gases recycling system.
Fig. 4 is an implementing procedure figure again of the utility model IGCC Poly-generation periodic off-gases recycling system.
Figure number illustrates:
1 first blower
2 second blowers
3 first combustion-supporting pipelines
4 second combustion-supporting pipelines
5 refinery periodic off-gases pipelines
6 gasification periodic off-gases pipelines
7 knockout drums
8 periodic off-gases supply lines
9 combustion furnaces
10 first firing chambers
11 second firing chambers
12 first afterburning gas supply lines
13 first controlling devices
14 second afterburning gas supply lines
15 second controlling devices
16 gasification systems
17 synthetic gas cleaning systems
18 hydrogen systems
19 gas turbine generating systems
20 exhaust heat boilers
21 steam turbine power generating
22 condensate systems
23 chimneys
24 smoke temperature measurement devices
25 air separation facilitys
26 crude oil refinery systems
27 combustion gas storage devices
28 auxiliary combustion equipments.
Embodiment
Embodiment 1:
As shown in Figure 1, be an implementing procedure figure of the utility model IGCC Poly-generation periodic off-gases recycling system.This IGCC Poly-generation periodic off-gases recycling system comprises the gasification system 16 be connected successively, synthetic gas cleaning system 17, hydrogen system 18, this synthetic gas cleaning system 17 connects a gas turbine generating system 19, the clean rock gas of this synthetic gas cleaning system 17 is made to enter in this gas turbine generating system 19, the IGCC Poly-generation periodic off-gases of this hydrogen system 18 enters a combustion furnace 9, the flue gas of this combustion furnace 9 enters in an exhaust heat boiler 20, this exhaust heat boiler 20 is included in a steam generating system, this steam generating system comprises steam turbine power generating 21 and condensate system 22, this exhaust heat boiler 20 is interconnected to form steam electric power peripheral passage with steam turbine power generating 21 and condensate system 22, in addition, this combustion furnace 9 also connects an auxiliary combustion equipment 28, this exhaust heat boiler 20 also connects a chimney 23.
Crude synthesis gas is synthesized by combustion reaction in the gasification system 16 of IGCC Poly-generation, crude synthesis gas needs to be purified by synthetic gas cleaning system 17, removing impurity, from synthetic gas cleaning system 17 out be exactly clean synthetic gas, this clean synthetic gas major part generates electricity for gas turbine generating system 19, remaining clean synthetic gas is used for hydrogen by hydrogen system 18, periodic off-gases is created in the process of hydrogen, this IGCC Poly-generation periodic off-gases is introduced heating flame in a special combustion furnace 9, the high-temperature flue gas that burning produces is introduced in exhaust heat boiler 20, water in heating exhaust heat boiler 20, water becomes water vapour for steam electric power, in this embodiment, periodic off-gases is for heat production generating of burning, achieve effective utilization of periodic off-gases.
Embodiment 2:
Be illustrated in figure 2 another implementing procedure figure of the utility model IGCC Poly-generation periodic off-gases recycling system.This mode of execution further improves to form on the basis of Fig. 1 mode of execution.The utility model IGCC Poly-generation periodic off-gases recycling system comprises interconnective air separation facility 25 successively, gasification system 16, synthetic gas cleaning system 17, hydrogen system 18, the IGCC Poly-generation periodic off-gases of this hydrogen system 18 enters in a knockout drum 7 by gasification periodic off-gases pipeline 6, the hydrogen of this hydrogen system 18 enters a crude oil refinery system 26, the refinery periodic off-gases that this crude oil refinery system 26 produces enters in knockout drum 7 after being converged by refinery periodic off-gases pipeline 5 and the IGCC Poly-generation periodic off-gases in gasification periodic off-gases pipeline 6, mixed periodic off-gases is passed into combustion furnace 9 by periodic off-gases supply line 8 by knockout drum 7.
This combustion furnace 9 is divided into the first firing chamber 10 and the second firing chamber 11 be interconnected, the flue gas of this combustion furnace 9 enters on an exhaust heat boiler 20, this exhaust heat boiler 20 and steam turbine power generating 21 and condensate system 22 are interconnected, this exhaust heat boiler 20 also connects a chimney 23, the pipeline between this combustion furnace 9 and exhaust heat boiler 20 is provided with a smoke temperature measurement device 24.
In addition, the clean synthetic gas of synthetic gas cleaning system 17 also enters in a gas turbine generating system 19, and the flue gas of this gas turbine generating system 19 also enters in exhaust heat boiler 20.
Clean synthetic gas in synthetic gas cleaning system 17 is also connected with the second firing chamber 11 with the first firing chamber 10 of combustion furnace 9 with the second afterburning gas supply line 14 respectively by the first afterburning gas supply line 12, first afterburning gas supply line 12 arranges one first controlling device 13, second afterburning gas supply line 14 arranges one second controlling device 15, in order to adjustments of gas flow velocity.
First blower 1 is connected with the first firing chamber 10 by the first combustion-supporting pipeline 3, and the second blower 2 is connected with the second firing chamber 11 by the second combustion-supporting pipeline 4.
The oxygen that air separation facility 25 is made passes in gasification system 16, by coal burning chemical reactive synthesis crude synthesis gas, this crude synthesis gas needs to purify synthetic gas through the mode such as cooling and dedusting, acid gas removal of synthetic gas cleaning system 17, and this clean synthetic gas generates electricity mainly through gas turbine generating system 19.In addition, this clean synthetic gas can also obtain purified hydrogen by hydrogen system 18 and carry out crude oil pyrolysis hydrogenation reaction etc. for crude oil refinery system 26, periodic off-gases can be produced in hydrogen process and in crude oil refinery process, this periodic off-gases is waste gas as fuel gas generation and crude oil refinery and exists, the periodic off-gases that two kinds of approach produce is collected and passes into knockout drum 7, this may produce lime set because temperature reduces, the gas of periodic off-gases is isolated in knockout drum 7, and then this periodic off-gases gas is passed in combustion furnace 9, the combustion heat release reaction of periodic off-gases is carried out in first firing chamber 10 and the second firing chamber 11 of this combustion furnace 9.
Because periodic off-gases heat energy is lower, at 5.0MJ/Nm
3left and right, if be directly used in burning, can cause flame instability, incomplete combustion, be difficult to the stable application realizing periodic off-gases.Mode by arranging fuel gas afterburning overcomes the lower deficiency of periodic off-gases calorific value.In order to combustion-supporting, the clean synthetic gas made by synthetic gas cleaning system 17 separates a part and passes into the first firing chamber 10 and the second firing chamber 11 respectively as afterburning gas, and then give the first firing chamber 10 and the second firing chamber 11 logical first blower 1 and the second blower 2 respectively, in order to as combustion air, this combustion air is normal air, this periodic off-gases gos deep into combustion heat release by afterburning gas and combustion-supporting wind action, the high-temperature flue gas that burning produces enters exhaust heat boiler 20, on the other hand, the high-temperature flue gas produced after clean synthetic gas utilizes gas turbine generating system 19 to generate electricity enters this exhaust heat boiler 20 equally, the high-temperature flue gas heating water in exhaust heat boiler 20 of the two produces water vapour, utilize steam to carry out steam turbine power generating 21 to generate electricity, this steam turbine power generating 21 steam discharge enters condensate system 22, in this condensate system, water vapor condensation becomes liquid water, then this water flows into again in exhaust heat boiler, again be heated to be water vapour to generate electricity, thus form a steam/water circulating generating, the flue gas that the temperature that this exhaust heat boiler 20 produces is lower is discharged by chimney 23.
Clean synthetic gas passes into the second controlling device 15 that the first controlling device 13 of the first firing chamber 10 and clean synthetic gas pass into the second firing chamber 11 and all has the effect regulating clean synthetic gas flow, control these two controlling devices thus control the flow velocity that clean synthetic gas enters combustion furnace, thus the size that needs pass into afterburning tolerance in this combustion furnace can be controlled flexibly according to actual needs.
The present embodiment is on the basis of embodiment 1, and the clean synthetic gas of IGCC polygenerations systeme is used for the periodic off-gases that burns, and reduces periodic off-gases burning cost, deepens the utilization ratio of periodic off-gases further.
Embodiment 3:
Be illustrated in figure 3 the another implementing procedure figure of the utility model IGCC Poly-generation periodic off-gases recycling system.IGCC Poly-generation periodic off-gases recycling system mode of execution change compared with embodiment 2 of this embodiment 3 is, eliminate the first blower 1 and the second blower 2 of the first firing chamber 10 and the second firing chamber 11, be connected with the second firing chamber 11 with the first firing chamber 10 respectively by the air separation facility 25 be connected with gasification system 16, the oxygen in this air separation facility 25 is as combustion air again.Utilize oxygen as combustion air, can the integral combustion effect of enhanced burning stove 9, reduce the consumption of clean synthetic gas.
Embodiment 4:
Be illustrated in figure 4 an implementing procedure figure again of the utility model IGCC Poly-generation periodic off-gases recycling system.IGCC Poly-generation periodic off-gases recycling system mode of execution change compared with embodiment 2 of this embodiment 4 is, synthetic gas cleaning system 17 is not connected with combustion furnace 9, but a combustion gas storage device 27 is set is connected with the second firing chamber 11 with the first firing chamber 10 respectively with the second afterburning gas supply line 14 by the first afterburning gas supply line 12, gasification system 16 does not connect air separation facility 25, and gasification system 16 directly utilizes air burning.
Be rock gas or liquefied petroleum gas (LPG) in combustion gas storage device 27 in the present embodiment, this rock gas or liquefied petroleum gas (LPG) are used as afterburning gas, clean synthetic gas can be saved, make how clean synthetic gas carry out crude oil refinery for gas turbine power generation or hydrogen, the present embodiment is applicable to rock gas or liquefied petroleum gas (LPG) aboundresources and low-cost area.
Claims (8)
1. an IGCC Poly-generation periodic off-gases recycling system, comprise the gasification system (16), synthetic gas cleaning system (17) and the hydrogen system (18) that connect successively, it is characterized in that, also comprise combustion furnace (9) and there is the steam generating system of exhaust heat boiler (20), the IGCC Poly-generation periodic off-gases of hydrogen system (18) enters combustion furnace (9), and the flue gas of described combustion furnace (9) enters exhaust heat boiler (20).
2. a kind of IGCC Poly-generation periodic off-gases recycling system as claimed in claim 1, it is characterized in that, the clean synthetic gas of described synthetic gas cleaning system (17) enters combustion furnace (9).
3. a kind of IGCC Poly-generation periodic off-gases recycling system as claimed in claim 2, it is characterized in that, described hydrogen system (18) is connected with a crude oil refinery system (26), the hydrogen of this hydrogen system (18) enters crude oil refinery system (26), and the refinery periodic off-gases of described crude oil refinery system (26) enters described combustion furnace (9).
4. a kind of IGCC Poly-generation periodic off-gases recycling system as claimed in claim 3, it is characterized in that, described combustion furnace (9) has the first firing chamber (10) and the second firing chamber (11) that are interconnected, the clean synthetic gas of described synthetic gas cleaning system (17) enters the first firing chamber (10) and the second firing chamber (11) respectively, and the supply line of clean synthetic gas is provided with controlling device.
5. a kind of IGCC Poly-generation periodic off-gases recycling system as claimed in claim 4, it is characterized in that, described combustion furnace (9) connects an air separation facility (25), and the oxygen of described air separation facility (25) enters the first firing chamber (10) and the second firing chamber (11) of combustion furnace (9).
6. a kind of IGCC Poly-generation periodic off-gases recycling system as claimed in claim 4, it is characterized in that, described combustion furnace (9) connects an auxiliary combustion equipment (28).
7. a kind of IGCC Poly-generation periodic off-gases recycling system as claimed in claim 6, it is characterized in that, described auxiliary combustion equipment (28) is the first blower (1) and the second blower (2) that are connected with the first firing chamber (10) and the second firing chamber (11) respectively.
8., as right wants a kind of IGCC Poly-generation periodic off-gases recycling system in 1 to 7 as described in arbitrary claim, it is characterized in that, the combustion gas storage device (27) storing rock gas or liquefied petroleum gas (LPG) is connected with described combustion furnace (9).
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105368502A (en) * | 2015-11-30 | 2016-03-02 | 南京林业大学 | Process for cogenerating electricity, charcoal and heat through fluidized-bed gasified power generation of straws |
| CN109057903A (en) * | 2018-10-31 | 2018-12-21 | 哈尔滨锅炉厂有限责任公司 | A kind of new energy island system |
| CN113790101A (en) * | 2021-09-24 | 2021-12-14 | 中国科学院工程热物理研究所 | Hydrogen-power cogeneration system and peak shaving operation method |
| CN114702004A (en) * | 2022-04-01 | 2022-07-05 | 兰州裕隆气体股份有限公司 | Methanol hydrogen production purge gas recycling system |
| CN117735744A (en) * | 2023-11-27 | 2024-03-22 | 紫金矿业新能源新材料科技(长沙)有限公司 | Mine multi-clean energy utilization system |
-
2014
- 2014-09-17 CN CN201420533365.6U patent/CN204041138U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105368502A (en) * | 2015-11-30 | 2016-03-02 | 南京林业大学 | Process for cogenerating electricity, charcoal and heat through fluidized-bed gasified power generation of straws |
| CN105368502B (en) * | 2015-11-30 | 2018-04-03 | 南京林业大学 | A kind of stalk fluidized gasification power generating simultaneously electricity, charcoal, the technique of heat |
| CN109057903A (en) * | 2018-10-31 | 2018-12-21 | 哈尔滨锅炉厂有限责任公司 | A kind of new energy island system |
| CN109057903B (en) * | 2018-10-31 | 2024-04-16 | 哈尔滨锅炉厂有限责任公司 | Novel energy island system |
| CN113790101A (en) * | 2021-09-24 | 2021-12-14 | 中国科学院工程热物理研究所 | Hydrogen-power cogeneration system and peak shaving operation method |
| CN114702004A (en) * | 2022-04-01 | 2022-07-05 | 兰州裕隆气体股份有限公司 | Methanol hydrogen production purge gas recycling system |
| CN117735744A (en) * | 2023-11-27 | 2024-03-22 | 紫金矿业新能源新材料科技(长沙)有限公司 | Mine multi-clean energy utilization system |
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Owner name: CHINA POWER ENGINEERING CONSULTING GROUP NORTH CHI Free format text: FORMER NAME: NORTH CHINA ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
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| CP01 | Change in the name or title of a patent holder |
Address after: 100120 Beijing city Xicheng District Street No. 24 Patentee after: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP Patentee after: Shanghai Electric Power Co., Ltd. Patentee after: SHANGHAI CAOJING UNITED ENERGY CO., LTD. Address before: 100120 Beijing city Xicheng District Street No. 24 Patentee before: North China Electric Power Design Institute of China Power Engineering Consulting Group Corporation Patentee before: Shanghai Electric Power Co., Ltd. Patentee before: SHANGHAI CAOJING UNITED ENERGY CO., LTD. |