CN204141562U - Coal gas Combined Cycle Power Plant residual neat recovering system - Google Patents
Coal gas Combined Cycle Power Plant residual neat recovering system Download PDFInfo
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- CN204141562U CN204141562U CN201420581321.0U CN201420581321U CN204141562U CN 204141562 U CN204141562 U CN 204141562U CN 201420581321 U CN201420581321 U CN 201420581321U CN 204141562 U CN204141562 U CN 204141562U
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Abstract
The utility model discloses a kind of coal gas Combined Cycle Power Plant waste heat recycling system, comprise boiler feedwater heating system, coal gas cooling/heating systems, first of series connection is comprised in boiler feedwater heating system, second aqueous vapor heat exchanger and oxygen-eliminating device, boiler feedwater afterbody heat exchanger, coal gas cooling/heating systems comprise series connection thick-crude synthesis gas heat exchanger and thick-clean synthesis gas heat exchanger, also be provided with crude synthesis gas deep freezer, in raw gas heat recycle process, respectively at thick-crude synthesis gas heat exchanger, series connection first after slightly-clean synthesis gas heat exchanger, second aqueous vapor heat exchanger, or connect first thick-clean between synthesis gas heat exchanger and crude synthesis gas deep freezer, second aqueous vapor heat exchanger, make full use of the residual neat recovering system of low grade residual heat heating waste heat boiler feedwater and heating backwater, the efficiency of coal gas Combined Cycle Power Plant heat recovery effectively can be improved by native system, improve with the heating efficiency of leading power plant of gasifying and generating efficiency.
Description
Technical field
The utility model relates to a kind of coal gas Combined Cycle Power Plant waste heat recycling system.
Background technology
Turning in the coal gas Combined Cycle Power Plant in source with coal gas, have a large amount of low grade heat energies, partial heat is directly taken away with recirculated cooling water usually, so not only can reduce full factory capacity usage ratio, also can cause the huge waste of primary energy simultaneously, vigorously advocate energy-saving and emission-reduction with society, the policy improving efficiency runs in the opposite direction.If therefore according to the cascade utilization principle of energy; sufficiently and reasonably utilize the low-grade heat in coal gas Combined Cycle Power Plant; reduce the loss without reason of energy, then can improve operational efficiency and the economic benefit of power plant, also have very important meaning to economize energy, environmental protection simultaneously.
Utility model content
Solved technical problem of the present utility model is namely in the system providing raw gas heat recovery units waste heat and waste heat boiler afterbody heat in a kind of coal gas of Appropriate application more Combined Cycle Power Plant, pass through native system, effectively can improve full factory heat utilization ratio, improve generating efficiency and heating efficiency.
The technological means that the utility model adopts is as described below.
A kind of coal gas Combined Cycle Power Plant residual neat recovering system of the present utility model, comprise: boiler feedwater heating system, it comprises boiler feed pump I1, this boiler feed pump I1 delivery port connects the first aqueous vapor heat exchanger 3 successively, second aqueous vapor heat exchanger 4, boiler feedwater afterbody heat exchanger I18, oxygen-eliminating device, boiler feedwater afterbody heat exchanger I18 carries out exchange heat by waste heat boiler 6, the first feed water by-pass 23 is provided with outside first aqueous vapor heat exchanger 3, the second feed water by-pass 24 is provided with outside second aqueous vapor heat exchanger 3, first aqueous vapor heat exchanger 3 has gas side input and output, also be provided with crude synthesis gas bypass 25, this crude synthesis gas bypass 25 connects gas side input and the output of the first aqueous vapor heat exchanger 3, coal gas cooling/heating systems, it comprises slightly-crude synthesis gas heat exchanger 14, this thick-crude synthesis gas heat exchanger 14 outlet side connects the 4th aqueous vapor knockout drum 15 after the second aqueous vapor heat exchanger 4, the outlet side of the 4th aqueous vapor knockout drum 15 connects crude synthesis gas heater 16 after thick-crude synthesis gas heat exchanger 14, the outlet side of crude synthesis gas heater 16 is connected with machine sulphur hydrolysis reactor 17, thick-clean synthesis gas heat exchanger 8 in turn, and the outlet side of thick-clean synthesis gas heat exchanger 8 connects crude synthesis gas bypass 25.
On the basis of said structure, also include heating backwater heating system, be made up of waste heat boiler afterbody backwater preheater 19 and the heating back water pump 7 being connected to pre-heater inlet, waste heat boiler afterbody backwater preheater 19 is arranged on the tail position of waste heat boiler 6.
Above-mentioned oxygen-eliminating device can use higher-pressure deaerator 5.
Above-mentioned boiler feedwater afterbody heat exchanger I18 is replaced with boiler feedwater afterbody heat exchanger II21, low pressure oxygen-eliminating device 20 selected by described oxygen-eliminating device, this low pressure oxygen-eliminating device 20 is placed between the second aqueous vapor heat exchanger 4 and boiler feedwater afterbody heat exchanger II21, boiler feedwater afterbody heat exchanger II21 is through waste heat boiler 6 and carry out heat exchange, arranges boiler feed pump II22 between described low pressure oxygen-eliminating device 20 and boiler feedwater afterbody heat exchanger II21.
Also include some control valves in such scheme, described some control valves are at least arranged in the gas side input of the first feed water by-pass 23, second aqueous vapor heat exchanger 3, first aqueous vapor heat exchanger 3 and output, crude synthesis gas bypass 25.
Another kind of coal gas Combined Cycle Power Plant residual neat recovering system of the present utility model, comprise: boiler feedwater heating system, it comprises boiler feed pump I1, this boiler feed pump I1 delivery port connects the first aqueous vapor heat exchanger 3 successively, second aqueous vapor heat exchanger 4, boiler feedwater afterbody heat exchanger I18, oxygen-eliminating device, boiler feedwater afterbody heat exchanger I18 carries out exchange heat by waste heat boiler 6, the first feed water by-pass 23 is provided with outside first aqueous vapor heat exchanger 3, the second feed water by-pass 24 is provided with outside second aqueous vapor heat exchanger 3, first aqueous vapor heat exchanger 3 has gas side input and output, also be provided with crude synthesis gas bypass 25, this crude synthesis gas bypass 25 connects gas side input and the output of the first aqueous vapor heat exchanger 3, coal gas cooling/heating systems, it comprises thick-clean synthesis gas heat exchanger 8 first aqueous vapor knockout drum 9 be connected successively, the gas outlet of this first aqueous vapor knockout drum 9 connects the second aqueous vapor knockout drum 10 after the second aqueous vapor heat exchanger 4, second aqueous vapor knockout drum 10 gas outlet connects crude synthesis gas bypass 25 entrance, and crude synthesis gas bypass 25 exports and connects the 3rd aqueous vapor knockout drum 12 and crude synthesis gas deep freezer 13 successively.
On the basis of said structure, also include heating backwater heating system, be made up of waste heat boiler afterbody backwater preheater 19 and the heating back water pump 7 being connected to pre-heater inlet, waste heat boiler afterbody backwater preheater 19 is arranged on the tail position of waste heat boiler 6.
Above-mentioned oxygen-eliminating device can use higher-pressure deaerator 5.
Above-mentioned boiler feedwater afterbody heat exchanger I18 is replaced with boiler feedwater afterbody heat exchanger II21, low pressure oxygen-eliminating device 20 selected by described oxygen-eliminating device, this low pressure oxygen-eliminating device 20 is placed between the second aqueous vapor heat exchanger 4 and boiler feedwater afterbody heat exchanger II21, boiler feedwater afterbody heat exchanger II21 is through waste heat boiler 6 and carry out heat exchange, arranges boiler feed pump II22 between described low pressure oxygen-eliminating device 20 and boiler feedwater afterbody heat exchanger II21.
Also include some control valves, described some control valves are at least arranged in the gas side input of the first feed water by-pass 23, second aqueous vapor heat exchanger 3, first aqueous vapor heat exchanger 3 and output, crude synthesis gas bypass 25.
The beneficial effects of the utility model are as described below.
1, the gradient owing to considering energy utilizes, and utilizes and carries out heat exchange with boiler feedwater heat exchanger, for the boiler feedwater that heating-up temperature is lower, fully reclaim tow taste heat in raw gas heat recycle process.
2, add waste heat boiler afterbody heating backwater heat exchanger at waste heat boiler afterbody, heating backwater, directly absorb afterbody heat and enter heating system, reduce heat supply network station heating load, it also avoid because boiler feed temperature raises, cause the rising of discharging fume.
3, boiler feedwater heating system, coal gas cooling/heating systems waste heat boiler and heating backwater heat exchanger is combined, native system can the waste heat of effective gas recovery Combined Cycle Power Plant, improve heating efficiency and the generating efficiency of full factory, there is significant economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the utility model for the first embodiment of generating set heating boiler feed water.
Fig. 2 is the journey schematic diagram of the utility model for the second embodiment stream of generating set heating boiler feed water.
Fig. 3 is the utility model for generating electricity and the schematic flow sheet of the 3rd embodiment of heating unit heating boiler feed water and heating backwater.
Fig. 4 is the utility model for generating electricity and the schematic flow sheet of the 4th embodiment of heating unit heating boiler feed water and heating backwater.
Fig. 5 is the schematic flow sheet of the utility model for the 5th embodiment for the boiler feedwater of process steam unit heat.
Fig. 6 is the schematic flow sheet of the utility model for the 6th embodiment for the boiler feedwater of process steam unit heat.
Fig. 7 is the schematic flow sheet of the utility model for the 7th embodiment for process steam and heating unit heating boiler feed water.
Fig. 8 is the schematic flow sheet of the utility model for the 8th embodiment for process steam and heating unit heating boiler feed water.
Detailed description of the invention
In practical application, coal gas Combined Cycle Power Plant Chang Yinqi high-efficiency cleaning, as the public work construction of chemical industrial park, common steam and electric power are provided, chemical plant installations is comparatively large to process steam demand amount, limited because returning condensate liquid, needs supplementary a large amount of complete oxygen containing demineralized water, reduce waste heat boiler exhaust gas temperature simultaneously, improve the heat utilization ratio of full factory.
A kind of coal gas Combined Cycle Power Plant residual neat recovering system of the present utility model, it comprises boiler feedwater heating system, coal gas cooling/heating systems.
As shown in Figure 1, the first structure of above-mentioned boiler feedwater heating system, comprise boiler feed pump I1, this boiler feed pump I1 delivery port connects the first aqueous vapor heat exchanger 3, second aqueous vapor heat exchanger 4, boiler feedwater afterbody heat exchanger I18, oxygen-eliminating device successively, boiler feedwater afterbody heat exchanger I18 is through waste heat boiler 6, and oxygen-eliminating device can be higher-pressure deaerator 5.After boiler feedwater flows through the first aqueous vapor heat exchanger 3, second aqueous vapor heat exchanger 4, then after carrying out exchange heat via boiler feedwater afterbody heat exchanger I18 and waste heat boiler 6, enter higher-pressure deaerator 5.Be provided with outside first aqueous vapor heat exchanger 3 outside first feed water by-pass 23, second aqueous vapor heat exchanger 3 and be provided with the second feed water by-pass 24.Some control valves can be provided with in this boiler feedwater heating system, can be arranged on as shown in the figure on the gas outlet of the gas outlet of the first above-mentioned feed water by-pass 23, second feed water by-pass 24, first aqueous vapor heat exchanger 3, the second aqueous vapor heat exchanger 4.Above-mentioned first aqueous vapor heat exchanger 3 has gas side input and output, also be provided with crude synthesis gas bypass 25, this crude synthesis gas bypass 25 connects gas side input and the output of this first aqueous vapor heat exchanger 3, this output can connect clean unit (not shown), in order to improve the handling of system, the first aqueous vapor heat exchanger 3 gas side input, output and crude synthesis gas bypass 25 are respectively provided with a control valve 11.
As shown in Figure 5, the second structure of boiler feedwater heating system, on the basis of the first structure, boiler feedwater afterbody heat exchanger I18 is replaced with boiler feedwater afterbody heat exchanger II21, low pressure oxygen-eliminating device 20 selected by described oxygen-eliminating device, this low pressure oxygen-eliminating device 20 is placed between the second aqueous vapor heat exchanger 4 and boiler feedwater afterbody heat exchanger II21, boiler feedwater afterbody heat exchanger II21 is through waste heat boiler 6 and carry out heat exchange, arranges boiler feed pump II22 between described low pressure oxygen-eliminating device 20 and boiler feedwater afterbody heat exchanger II21.The setting of boiler feed pump I1, the first aqueous vapor heat exchanger 3, second aqueous vapor heat exchanger 4, first feed water by-pass 23, second feed water by-pass 24, crude synthesis gas bypass 25 and some control valves is identical with the first structure, at this no longer repeated description.
Also include the coal gas cooling/heating systems of Collaboration simultaneously, different designs can be carried out to the parts of this system according to different needs.
The first structural design of coal gas cooling/heating systems, it comprises slightly-crude synthesis gas heat exchanger 14, this thick-crude synthesis gas heat exchanger 14 outlet pipe connects the 4th aqueous vapor knockout drum 15, the outlet pipe of the 4th aqueous vapor knockout drum 15 connects crude synthesis gas heater 16 after thick-crude synthesis gas heat exchanger 14, the gas outlet of crude synthesis gas heater 16 is connected with machine sulphur hydrolysis reactor 17 in turn, slightly-clean synthesis gas heat exchanger 8, the gas outlet of this thick-clean synthesis gas heat exchanger 8 can connect crude synthesis gas bypass 25, maybe can connect the joint of crude synthesis gas bypass 25 and the first aqueous vapor heat exchanger 3 gas side output.
Shown in Fig. 1 for the first embodiment shown in generating set heating boiler feed water schematic flow sheet, the first structure of above-mentioned boiler feedwater heating system is combined with the first structure of coal gas cooling/heating systems, wherein, thick-crude synthesis gas heat exchanger 14 outlet pipe carries out the heat exchange of aqueous vapor through the second aqueous vapor heat exchanger 4.
The second structural design of coal gas cooling/heating systems, it comprises thick-clean synthesis gas heat exchanger 8 first aqueous vapor knockout drum 9 be connected successively, the air intake of this first aqueous vapor knockout drum 9 connects the second aqueous vapor knockout drum 10, second aqueous vapor knockout drum 10 gas outlet connects crude synthesis gas bypass 25 entrance, crude synthesis gas bypass 25 exports and connects the 3rd aqueous vapor knockout drum 12 and crude synthesis gas deep freezer 13, second aqueous vapor knockout drum 10 delivery port connection water treatment system (not shown) successively.
As Fig. 2 for generating set heating boiler feed water schematic flow sheet the second embodiment as shown in, the first structure of above-mentioned boiler feedwater heating system is combined with the second structure of coal gas cooling/heating systems.Wherein, heat exchange is carried out through the second aqueous vapor heat exchanger 4 in the gas outlet of the first aqueous vapor knockout drum 9.
Consider that such scheme improves the feed temperature of waste heat boiler, waste heat boiler exhaust gas temperature is caused to raise, cause the waste of heat from another point of view, therefore usually heat load is born in conjunction with power plant, consider that power plant bears the demand of heat load, respectively on the basis of first, second embodiment, increase also include heating backwater heating system the as shown in Figure 3, Figure 4 the 3rd, the 4th embodiment.Specifically, waste heat boiler tail position is provided with waste heat boiler afterbody heating backwater heat exchanger 19, arrange heating back water pump 7 at the input of this waste heat boiler afterbody heating backwater heat exchanger 19, output is connected to heating heat supply network station (not shown).The setting of heating backwater heating system avoids waste heat boiler feed temperature and raises the raising causing the exhaust gas temperature of waste heat boiler, causes the problem of the waste of heat from another point of view.
Consider that supply process steam amount is larger, condensate liquid back amount is less, need supplementary a large amount of complete oxygen containing demineralized water unit, as Fig. 5 for shown in the 5th embodiment for the boiler feedwater of process steam unit heat, the second structure of above-mentioned boiler feedwater heating system is combined with the first structure of coal gas cooling/heating systems.Or as Fig. 6 for shown in the 6th embodiment for the boiler feedwater of process steam unit heat, the second structure that the second structure of above-mentioned boiler feedwater heating system and coal gas cool heating system is combined.Such setting effectively can reduce waste heat boiler exhaust gas temperature, improve the heat utilization ratio of full factory.Wherein, boiler feedwater afterbody heat exchanger II21 is identical with boiler feedwater afterbody heat exchanger I18 internal structure and application principle, is recovery waste heat boiler smoke, and just each autoregressive parameter in aqueous vapor side is different, water side medium flows to different, and design parameter can design according to actual conditions.
Further, consider that supply process steam amount is larger, condensate liquid back amount is less, need supplementary a large amount of complete oxygen containing demineralized water and the unit bearing winter heating, on the basis of above-mentioned 5th, the 6th embodiment, shown in as shown in Figures 7 and 8 the 7th and the 8th embodiment, the tail position of waste heat boiler 6 is provided with waste heat boiler afterbody heating backwater heat exchanger 19, arrange heating back water pump 7 at the input of this waste heat boiler afterbody heating backwater heat exchanger 19, output is connected to heating heat supply network backwater (not shown).The setting of heating backwater heating system avoids waste heat boiler feed temperature and raises, and causes the raising of the exhaust gas temperature of waste heat boiler, causes the problem of the waste of heat from another point of view.
For improving heat exchanger heat exchange efficiency, the gentle side, water side of described first and second aqueous vapor heat exchangers adopts reflux type, and flow from top to bottom in gas side in described first aqueous vapor heat exchanger and the second aqueous vapor heat exchanger, thus be conducive to the discharge of fume gas condensation liquid, reduce film condensation thickness and liquid film thermal resistance, strengthen heat exchange.
Because the gradient considering energy utilizes, in raw gas heat recycle process, add the first aqueous vapor heat exchanger 3 and the second aqueous vapor heat exchanger 4, for the boiler feedwater that heating-up temperature is lower, fully reclaim tow taste heat; Meanwhile, waste heat boiler afterbody heating backwater heat exchanger 19 is added at waste heat boiler afterbody, heating backwater, direct absorption afterbody heat enters heating system, reduce heat supply network station heating load, it also avoid because boiler feed temperature raises, cause the rising of exhaust gas temperature.Therefore native system can the waste heat of effective gas recovery Combined Cycle Power Plant, improves heating efficiency and the generating efficiency of full factory, has significant economic benefit and social benefit.
Claims (10)
1. a coal gas Combined Cycle Power Plant residual neat recovering system, is characterized in that, comprising:
Boiler feedwater heating system, it comprises boiler feed pump I(1), this boiler feed pump I(1) delivery port connects the first aqueous vapor heat exchanger (3) successively, second aqueous vapor heat exchanger (4), boiler feedwater afterbody heat exchanger I(18), oxygen-eliminating device, boiler feedwater afterbody heat exchanger I(18) through waste heat boiler (6), the first feed water by-pass (23) is provided with outside first aqueous vapor heat exchanger (3), the second feed water by-pass (24) is provided with outside second aqueous vapor heat exchanger (3), first aqueous vapor heat exchanger (3) has gas side input and output, also be provided with crude synthesis gas bypass (25), this crude synthesis gas bypass (25) connects gas side input and the output of the first aqueous vapor heat exchanger (3),
Coal gas cooling/heating systems, it comprises slightly-crude synthesis gas heat exchanger (14), this thick-crude synthesis gas heat exchanger (14) outlet side connects the 4th aqueous vapor knockout drum (15) after the second aqueous vapor heat exchanger (4), the outlet side of the 4th aqueous vapor knockout drum (15) connects crude synthesis gas heater (16) after thick-crude synthesis gas heat exchanger (14), the outlet side of crude synthesis gas heater (16) is connected with machine sulphur hydrolysis reactor (17) in turn, slightly-clean synthesis gas heat exchanger (8), the outlet side of slightly-clean synthesis gas heat exchanger (8) connects crude synthesis gas bypass (25).
2. a kind of coal gas Combined Cycle Power Plant residual neat recovering system as claimed in claim 1, it is characterized in that, also include heating backwater heating system, be made up of waste heat boiler afterbody backwater preheater (19) and the heating back water pump (7) that is connected to pre-heater inlet, waste heat boiler afterbody backwater preheater (19) is arranged on the tail position of waste heat boiler (6).
3. a kind of coal gas Combined Cycle Power Plant residual neat recovering system as claimed in claim 1 or 2, is characterized in that, described oxygen-eliminating device is higher-pressure deaerator (5).
4. a kind of coal gas Combined Cycle Power Plant residual neat recovering system as claimed in claim 1 or 2, it is characterized in that, described boiler feedwater afterbody heat exchanger I(18) replace with boiler feedwater afterbody heat exchanger II(21), described oxygen-eliminating device is low pressure oxygen-eliminating device (20), this low pressure oxygen-eliminating device (20) is placed in the second aqueous vapor heat exchanger (4) and boiler feedwater afterbody heat exchanger II(21) between, boiler feedwater afterbody heat exchanger II(21) through waste heat boiler (6), described low pressure oxygen-eliminating device (20) and boiler feedwater afterbody heat exchanger II(21) between boiler feed pump II(22 is set).
5. a kind of coal gas Combined Cycle Power Plant residual neat recovering system as claimed in claim 1, it is characterized in that, also include some control valves, described some control valves are at least arranged in the first feed water by-pass (23), the second aqueous vapor heat exchanger (3), the gas side input of the first aqueous vapor heat exchanger (3) and output, crude synthesis gas bypass (25).
6. a coal gas Combined Cycle Power Plant residual neat recovering system, is characterized in that, comprising:
Boiler feedwater heating system, it comprises boiler feed pump I(1), this boiler feed pump I(1) delivery port connects the first aqueous vapor heat exchanger (3) successively, second aqueous vapor heat exchanger (4), boiler feedwater afterbody heat exchanger I(18), oxygen-eliminating device, boiler feedwater afterbody heat exchanger I(18) through waste heat boiler (6), the first feed water by-pass (23) is provided with outside first aqueous vapor heat exchanger (3), the second feed water by-pass (24) is provided with outside second aqueous vapor heat exchanger (3), first aqueous vapor heat exchanger (3) has gas side input and output, also be provided with crude synthesis gas bypass (25), this crude synthesis gas bypass (25) connects gas side input and the output of the first aqueous vapor heat exchanger (3),
Coal gas cooling/heating systems, it comprises thick-clean synthesis gas heat exchanger (8) first aqueous vapor knockout drum (9) be connected successively, the gas outlet of this first aqueous vapor knockout drum (9) connects the second aqueous vapor knockout drum (10) afterwards by the second aqueous vapor heat exchanger (4), second aqueous vapor knockout drum (10) gas outlet connects crude synthesis gas bypass (25) entrance, and crude synthesis gas bypass (25) outlet connects the 3rd aqueous vapor knockout drum (12) and crude synthesis gas deep freezer (13) successively.
7. a kind of coal gas Combined Cycle Power Plant residual neat recovering system as claimed in claim 6, it is characterized in that, also include heating backwater heating system, be made up of waste heat boiler afterbody backwater preheater (19) and the heating back water pump (7) that is connected to pre-heater inlet, waste heat boiler afterbody backwater preheater (19) is arranged on the tail position of waste heat boiler (6).
8. a kind of coal gas Combined Cycle Power Plant residual neat recovering system as claimed in claims 6 or 7, it is characterized in that, described oxygen-eliminating device is higher-pressure deaerator (5).
9. a kind of coal gas Combined Cycle Power Plant residual neat recovering system as claimed in claims 6 or 7, it is characterized in that, described boiler feedwater afterbody heat exchanger I(18) replace with boiler feedwater afterbody heat exchanger II(21), described oxygen-eliminating device is low pressure oxygen-eliminating device (20), this low pressure oxygen-eliminating device (20) is placed in the second aqueous vapor heat exchanger (4) and boiler feedwater afterbody heat exchanger II(21) between, boiler feedwater afterbody heat exchanger II(21) through waste heat boiler (6), described low pressure oxygen-eliminating device (20) and boiler feedwater afterbody heat exchanger II(21) between boiler feed pump II(22 is set).
10. a kind of coal gas Combined Cycle Power Plant residual neat recovering system as claimed in claim 6, it is characterized in that, also include some control valves, described some control valves are at least arranged in the first feed water by-pass (23), the second aqueous vapor heat exchanger (3), the gas side input of the first aqueous vapor heat exchanger (3) and output, crude synthesis gas bypass (25).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420581321.0U CN204141562U (en) | 2014-10-09 | 2014-10-09 | Coal gas Combined Cycle Power Plant residual neat recovering system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420581321.0U CN204141562U (en) | 2014-10-09 | 2014-10-09 | Coal gas Combined Cycle Power Plant residual neat recovering system |
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| CN204141562U true CN204141562U (en) | 2015-02-04 |
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| CN201420581321.0U Active CN204141562U (en) | 2014-10-09 | 2014-10-09 | Coal gas Combined Cycle Power Plant residual neat recovering 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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Address after: 100120 Beijing city Xicheng District Street No. 24 Patentee after: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP 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 |