CN203731456U - Boiler flue gas temperature rise device for thermal generator unit - Google Patents
Boiler flue gas temperature rise device for thermal generator unit Download PDFInfo
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- CN203731456U CN203731456U CN201420081985.0U CN201420081985U CN203731456U CN 203731456 U CN203731456 U CN 203731456U CN 201420081985 U CN201420081985 U CN 201420081985U CN 203731456 U CN203731456 U CN 203731456U
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- Prior art keywords
- pipeline
- temperature rise
- high voltage
- communicated
- flue gas
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title abstract description 40
- 239000003546 flue gas Substances 0.000 title abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000000605 extraction Methods 0.000 claims abstract description 35
- 239000000779 smoke Substances 0.000 claims description 11
- 238000010248 power generation Methods 0.000 claims description 8
- 238000010531 catalytic reduction reaction Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 16
- 238000001816 cooling Methods 0.000 description 11
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The utility model relates to a boiler flue gas temperature rise device for a thermal generator unit. Existing selective catalytic reduction (SCR) reactors can not normally work when generator units run in low loads. The boiler flue gas temperature rise device for the thermal generator unit comprises a steam turbine, a steam inlet pipeline, a high voltage starting bypass pipeline and a primary steam extraction pipeline, wherein the high voltage starting bypass pipeline and the primary steam extraction pipeline are communicated through a temperature rise pipeline, the front end of the temperature rise pipeline is communicated with the front segment of the high voltage starting bypass pipeline, and the rear end of the temperature rise pipeline is communicated with the rear segment of the primary steam extraction pipeline. The boiler flue gas temperature rise device for the thermal generator unit adds the temperature rise pipeline between an original high voltage starting bypass pipeline and the primary steam extraction pipeline, and enables high energy steam in a steam inlet pipeline of the steam turbine to orderly pass through the high voltage starting bypass pipeline, the temperature rise pipeline and the primary steam extraction pipeline to enter a high pressure heater, thereby effectively improving the temperature of circulating water which flows through the high pressure heater, further reducing heat of circulating water adsorbed from flue gas, and guaranteeing the temperature of the flue gas to meet the normal running requirements of a SCR reactor when a unit runs in low loads.
Description
Technical field
The present invention relates to a kind of Power Plant Equipment, be specifically related to a kind of boiler smoke temperature rise device of thermal power plant.
Background technology
The energy of China is taking coal as main, and according to statistics, China's capacity of installed generator moderate heat electricity installed capacity at present reaches more than 74%.In following a very long time, the coal-fired nitrogen oxides pollution causing is the another important environmental problem after sulfur dioxide pollution, and " the thermal power plant air pollution emission standard (GB13223-2011) " implemented in January, 2011 is reduced to 100mg/Nm3 the highest permission concentration of emission of station boiler nitrogen oxide limit value.Nitrogen oxide refers generally to NO, NO
2, NO
3, N
2o, N
2o
3deng, be referred to as NO
x.The NO generating in boiler combustion process
xserious environment pollution.Therefore suppress NO
xgeneration and remove the NO having generated at flue gas
xone of the subject matter that must consider while having become boiler combustion design and operation.In prior art, SCR(selective catalytic reduction) be most widely used, and the denitration method for flue gas of technology maturation configures SCR reactor and realizes denitrating flue gas and become a kind of standard configuration on coal-fired electric generation furnace.Along with economy and social development, will be strict gradually to the concentration of emission of SCR reactor denitrification apparatus and the rate requirement that comes into operation.
In the time that generating set runs well, recirculated water carries out cascade raising temperature operation by high-pressure heater, economizer, boiler-steam dome, water-cooling wall header, water-cooling wall and superheater successively, the more complete recirculated water (steam) of heating is sent in steam turbine and done work.Some high-pressure heaters of series connection are connected with the bleed steam pipeworks at different levels of deriving from steam turbine respectively successively, make recirculated water realize intensification because of the heat that absorbs steam in bleed steam pipeworks at different levels, for example: the two ends of one-level bleed steam pipework are connected with draw gas interface, No. 1 high-pressure heater of steam turbine one-level respectively, the two ends of secondary bleed steam pipework are connected with draw gas interface, No. 2 high-pressure heaters of steam turbine secondary respectively; Be located at respectively exhaust gases passes rear portion and anterior economizer, superheater for realizing the after-heat of flue gas in recirculated water and vapor absorption exhaust gases passes; Boiler-steam dome and water-cooling wall header are used for storing the water yield, carbonated drink and separate and distribute recirculated water; Be located at the water-cooling wall of boiler side walls and realize recirculated water absorption boiler burner hearth heat.The flue gas producing in boiler carries out denitration operation by SCR reactor successively after the cooling of superheater and economizer is processed, then enters atmosphere by air preheater waste heat recovery and after dedusting, desulfurization through chimney.In addition, the main steam lead road of existing steam turbine is provided with a high voltage startup bypass, when steam turbine starts, by the high energy steam on steam inlet pipe directly being imported after temperature lowering water is processed to cold (reheater import) again, realizes generating set and starts fast.In use there is following defect in existing SCR reactor: the best denitration temperature of SCR reactor is generally at 320 ~ 400 DEG C, in the time that boiler moves under underload, SCR Reactor inlet flue-gas temperature is lower than 300 DEG C, now, SCR Reactor inlet cigarette temperature differs and reaches more than 20 DEG C with the temperature that can ensure the normal operation of SCR reactor, SCR reactor cannot normally carry out denitration operation, and existing station boiler is because of the consideration of the aspects such as performance driving economy, the low impact on the normal operation of SCR of SCR input gas temperature while not considering underrun when boiler design, smoke emissioning concentration can not meet national requirements for environmental protection.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of thermal power generation unit boiler smoke temperature rise device, make generating set in the time of underrun, it is temperature required that its flue-gas temperature still can reach the normal work of SCR reactor, guarantees smoke emissioning concentration load national requirements for environmental protection.
The present invention realizes in the following manner: boiler smoke temperature rise device for a kind of thermal power generation unit, comprise steam turbine, the one admission pipeline being communicated with described steam turbine air intake, the one-level extraction line that front end is connected with the high voltage startup bypass duct of described admission pipeline communication and with described steam turbine, the front end of described one-level extraction line is connected with steam turbine by the interface that draws gas, rear end is connected with a high-pressure heater, described high voltage startup bypass duct back segment starts bypass attemperator by one and is communicated with the rear end of a desuperheating water pipeline, between described high voltage startup bypass duct and described one-level extraction line, pass through a temperature rise pipeline communication, described temperature rise pipeline front end is communicated with described high voltage startup bypass duct leading portion, rear end is communicated with described one-level extraction line back segment.
Between original high voltage startup bypass duct and one-level extraction line, set up temperature rise pipeline, make the ducted high energy steam of steam turbine admission pass through successively high voltage startup bypass duct, temperature rise pipeline and one-level extraction line enter in high-pressure heater, make adding hot vapour source and both can selecting a switching in one-level is drawn gas interface or steam turbine steam inlet pipe of high-pressure heater, effectively improve the circulating water temperature of the high-pressure heater of flowing through, reduce to enter the temperature difference between recirculated water and the flue gas of economizer, and then reduce the heat that absorbs of recirculated water from flue gas, in the time of performing low-load running of machine set, guarantee that flue-gas temperature meets the requirement that SCR reactor runs well.
As preferably, a desuperheating water bypass line is set up in described desuperheating water pipeline stage casing separately, and described temperature rise pipeline stage casing is communicated with described desuperheating water bypass line rear end by a temperature rise attemperator.Desuperheating water bypass line is drained to ducted desuperheating water desuperheating water in temperature rise pipeline, reduces the high energy steam from high voltage startup bypass duct in temperature rise pipeline in dilution mode.
As preferably, in described temperature rise pipeline leading portion, high voltage startup bypass duct stage casing, desuperheating water pipeline back segment, one-level extraction line stage casing and desuperheating water bypass line, all connect an electronic isolating valve is set.Be positioned at the electronic isolating valve of temperature rise pipeline leading portion for controlling the logical state that closes of temperature rise pipeline recirculated water, be positioned at the electronic isolating valve in high voltage startup bypass duct stage casing for controlling the logical state that closes of high voltage startup bypass duct recirculated water, be positioned at the electronic isolating valve of desuperheating water pipeline back segment for controlling the logical state that closes between desuperheating water pipeline and high voltage startup bypass duct, the electronic isolating valve that is positioned at one-level extraction line stage casing is for controlling the logical state that closes drawing gas between low energy steam and the described high-pressure heater that interface flows out from steam turbine one-level, be positioned at the electronic isolating valve of desuperheating water bypass line for controlling the logical state that closes of desuperheating water bypass line and temperature rise pipeline enclosure, cooperatively interact and realize high-pressure heater and switch between different heat supplying pipelines by above-mentioned electronic isolating valve.
As preferably, on described temperature rise pipeline leading portion, one-level extraction line stage casing, all connect a pressure regulator valve is set.Temperature rise pipeline and one-level extraction line all regulate steam pressure in pipeline by pressure regulator valve.
Outstanding beneficial effect of the present invention: set up temperature rise pipeline between original high voltage startup bypass duct and one-level extraction line, make the ducted high energy steam of steam turbine admission pass through successively high voltage startup bypass duct, temperature rise pipeline and one-level extraction line enter in high-pressure heater, make adding hot vapour source and both can selecting a switching in one-level is drawn gas interface or steam turbine steam inlet pipe of high-pressure heater, effectively improve the circulating water temperature of the high-pressure heater of flowing through, reduce to enter the temperature difference between recirculated water and the flue gas of economizer, and then reduce the heat that absorbs of recirculated water from flue gas, in the time of performing low-load running of machine set, guarantee that flue-gas temperature meets the requirement that SCR reactor runs well, thereby ensure boiler flue gas NO in underload situation
xdischarge quality is up to state standards.In addition, the present invention also has advantages of that hot vapour source pressure and temp is higher, vapour amount can be adjusted as required, and system is simple, and improvement cost is low, easy to operate.
Brief description of the drawings
Fig. 1 is pipeline structure schematic diagram of the present invention;
Fig. 2 is generating set pipeline structure schematic diagram;
In figure: 1, steam turbine, 2, admission pipeline, 3, high voltage startup bypass duct, 4, one-level extraction line, 5, high-pressure heater, 6, start bypass attemperator, 7, desuperheating water pipeline, 8, temperature rise pipeline, 9, desuperheating water bypass line, 10, temperature rise attemperator, 11, electronic isolating valve, 12, pressure regulator valve, 13, economizer, 14, boiler-steam dome, 15, water-cooling wall header, 16, water-cooling wall, 17, superheater, 18, SCR reactor, 19, air preheater, 20, exhaust gases passes.
Detailed description of the invention
Below in conjunction with specification drawings and specific embodiments, substantive distinguishing features of the present invention is further described.
Boiler smoke temperature rise device for a kind of thermal power generation unit as shown in Figure 1, by steam turbine 1, the one admission pipeline 2 being communicated with described steam turbine 1 air intake, the high voltage startup bypass duct 3 that front end is communicated with described admission pipeline 2, the one-level extraction line 4 and the temperature rise pipeline 8 that are connected with described steam turbine 1 form, the front end of described one-level extraction line 4 is connected with steam turbine 1 by the interface that draws gas, rear end is connected with a high-pressure heater 5, described high voltage startup bypass duct 3 back segments start bypass attemperator 6 by one and are communicated with the rear end of a desuperheating water pipeline 7, between described high voltage startup bypass duct 3 and described one-level extraction line 4, be communicated with by temperature rise pipeline 8, described temperature rise pipeline 8 front ends are communicated with described high voltage startup bypass duct 3 leading portions, rear end is communicated with described one-level extraction line 4 back segments, a desuperheating water bypass line 9 is set up in described desuperheating water pipeline 7 stage casings separately, and described temperature rise pipeline 8 stage casings are communicated with described desuperheating water bypass line 9 rear ends by a temperature rise attemperator 10, in described temperature rise pipeline 8 leading portions, high voltage startup bypass duct 3 stage casings, desuperheating water pipeline 7 back segments, one-level extraction line 4 stage casings and desuperheating water bypass line 9, all series connection arranges an electronic isolating valve 11, on described temperature rise pipeline 8 leading portions, one-level extraction line 4 stage casings, all series connection arranges a pressure regulator valve 12.Temperature rise pipeline 8 and one-level extraction line 4 all regulate steam pressure in pipeline by pressure regulator valve 12.
In the time that generating set turns round, recirculated water completes heating process (as shown in Figure 2) by following flow process:
1, the recirculated water high-pressure heater 5 through connecting successively, and circulating water temperature is promoted, No. 1 high-pressure heater 5 is positioned at high-pressure heater 5 tail ends of series connection, and the circulating water temperature that enters economizer 13 depends on temperature when it flows out No. 1 high-pressure heater 5;
2, the recirculated water flowing out from No. 1 high-pressure heater 5 enters the economizer 13 that is arranged in exhaust gases passes 20 back segments, and recirculated water absorbs the heat in exhaust gases passes 20 by economizer 13, again promotes water temperature;
3, the recirculated water flowing out from economizer 13 enters water-cooling wall header 15 through boiler-steam dome 14, or directly enters water-cooling wall header 15 by economizer 13;
4, the recirculated water in water-cooling wall header 15 enters the water-cooling wall 16 that is positioned at boiler furnace sidewall, is steam by evaporation after absorption burner hearth heat (or part evaporation).
5, the recirculated water of evaporation continues heat absorption through superheater 17, then is delivered to steam turbine 1 work done.
6, the tail vapour recycling after reclaiming from discharging steam turbine 1.
Recirculated water reuses in generating set, simultaneously, the high-temperature flue gas that in boiler, burning produces passes through successively superheater 17 and economizer 13 in exhaust gases passes 20, the recirculated water that the part heat of flue gas can be flowed through in superheater 17 and economizer 13 absorbs, flue-gas temperature is reduced and maintain in the temperature range that is applicable to the 18 normal work of SCR reactor, afterwards, flue gas enters SCR reactor 18 and carries out denitration operation, finally, flue gas is discharged through air preheater 19.In this process, according to energy conservation law, the flue gas institute heat content that enters SCR reactor 18 and the heat summation being absorbed by superheater 17, economizer 13 all the time constant (in the ideal situation, do not consider other loss), in the time that recirculated water absorbs more heat transfer by superheater 17 and economizer 13, flue-gas temperature is corresponding reduction.
In concrete operations, generating set can switch according to its payload between two kinds of patterns:
Pattern one: in the time that generating set runs well, the flue-gas temperature of discharging from boiler is higher, the hot vapour source that adds of No. 1 high-pressure heater 5 is supplied with by being positioned at one-level on steam turbine 1 interface that draws gas, the steam heat flowing out from one-level is drawn gas interface is lower, it is less that the recirculated water of flowing through in No. 1 high-pressure heater 5 absorbs heat, between the recirculated water after No. 1 high-pressure heater 5 heating and flue gas, there is the larger temperature difference, make recirculated water can from flue gas, absorb more heat in the time flowing through economizer 13, flue gas is cooled to the temperature range that is applicable to the 18 normal work of SCR reactor through economizer 13.Now, the electronic isolating valve 11 being positioned on one-level extraction line 4 is opened, and one-level extraction line 4 connects, and the electronic isolating valve 11 being positioned on desuperheating water bypass line 9, temperature rise pipeline 8 cuts out, and temperature rise pipeline 8 stops.
Pattern two: in the time of generating set low load operation, the flue-gas temperature of discharging from boiler is lower, the hot vapour source that adds of No. 1 high-pressure heater 5 is supplied with by temperature rise pipeline 8, be positioned at the high energy steam of steam turbine 1 admission pipeline 2 successively by high voltage startup bypass duct 3, temperature rise pipeline 8 enters high-pressure heater 5 No. 1, and there is the larger temperature difference with the recirculated water of flowing through in No. 1 high-pressure heater 5, it is more that recirculated water absorbs heat, between the recirculated water after No. 1 high-pressure heater 5 heating and flue gas, the temperature difference is less, make recirculated water can from flue gas, absorb less heat in the time flowing through economizer 13, guarantee can also maintain in the temperature range that is applicable to the 18 normal work of SCR reactor after flue gas cool-down.Now, the electronic isolating valve 11 being positioned on one-level extraction line 4 cuts out, and one-level extraction line 4 stops, and the electronic isolating valve 11 being positioned on desuperheating water bypass line 9, temperature rise pipeline 8 is opened, and temperature rise pipeline 8 connects.
In practical operation, the front end of described temperature rise pipeline 8 is communicated with the leading portion of described high voltage startup bypass duct 3, also can be according to actual installation needs, the front end of temperature rise pipeline 8 is communicated with steam turbine 1 admission pipeline 2, also realize the object that guiding high energy steam enters No. 1 high-pressure heater 5, also should be considered as specific embodiments of the invention.
In concrete operations, desuperheating water in desuperheating water bypass line 9 mixes with the high energy steam in temperature rise pipeline 8 by temperature rise attemperator 10, regulate by the flow of adjusting desuperheating water the temperature that enters high energy steam in No. 1 high-pressure heater 5, also can realize the object of regulation and control flue-gas temperature.When flue-gas temperature is when being applicable to the preset temperature of the normal work of SCR reactor 18, improve and flow into the circulating water temperature of economizer 13 by the desuperheating water flow that reduces to flow through in desuperheating water bypass line 9, and then thermal loss while reducing flue gas through economizer 13; When flue-gas temperature is when being applicable to the preset temperature of the normal work of SCR reactor 18, the desuperheating water flow of flowing through in desuperheating water bypass line 9 by increase reduces the circulating water temperature that flows into economizer 13, and then increase the thermal loss of flue gas when the economizer 13, guarantee that SCR reactor 18 normally works.
Claims (4)
1. a boiler smoke temperature rise device for thermal power generation unit, comprise steam turbine (1), the one admission pipeline (2) being communicated with described steam turbine (1) air intake, the high voltage startup bypass duct (3) that front end is communicated with described admission pipeline (2) and the one-level extraction line (4) being connected with described steam turbine (1), the front end of described one-level extraction line (4) is connected with steam turbine (1) by the interface that draws gas, rear end is connected with a high-pressure heater (5), described high voltage startup bypass duct (3) back segment starts bypass attemperator (6) by one and is communicated with the rear end of a desuperheating water pipeline (7), it is characterized in that being communicated with by a temperature rise pipeline (8) between described high voltage startup bypass duct (3) and described one-level extraction line (4), described temperature rise pipeline (8) front end is communicated with described high voltage startup bypass duct (3) leading portion, rear end is communicated with described one-level extraction line (4) back segment.
2. boiler smoke temperature rise device for a kind of thermal power generation unit according to claim 1, it is characterized in that described desuperheating water pipeline (7) stage casing sets up a desuperheating water bypass line (9) separately, described temperature rise pipeline (8) stage casing is communicated with described desuperheating water bypass line (9) rear end by a temperature rise attemperator (10).
3. boiler smoke temperature rise device for a kind of thermal power generation unit according to claim 2, is characterized in that all connecting an electronic isolating valve (11) being set in described temperature rise pipeline (8) leading portion, high voltage startup bypass duct (3) stage casing, desuperheating water pipeline (7) back segment, one-level extraction line (4) stage casing and desuperheating water bypass line (9).
4. boiler smoke temperature rise device for a kind of thermal power generation unit according to claim 3, is characterized in that all connecting a pressure regulator valve (12) being set on described temperature rise pipeline (8) leading portion, one-level extraction line (4) stage casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081985.0U CN203731456U (en) | 2014-02-26 | 2014-02-26 | Boiler flue gas temperature rise device for thermal generator unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081985.0U CN203731456U (en) | 2014-02-26 | 2014-02-26 | Boiler flue gas temperature rise device for thermal generator unit |
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| Publication Number | Publication Date |
|---|---|
| CN203731456U true CN203731456U (en) | 2014-07-23 |
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ID=51201525
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420081985.0U Expired - Fee Related CN203731456U (en) | 2014-02-26 | 2014-02-26 | Boiler flue gas temperature rise device for thermal generator unit |
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| CN (1) | CN203731456U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105986845A (en) * | 2015-02-15 | 2016-10-05 | 深圳市能源环保有限公司 | Steam pipeline system of steam turbine |
| CN106678832A (en) * | 2016-12-27 | 2017-05-17 | 安徽海螺川崎工程有限公司 | Superheater for waste heat boiler of waste incineration system |
| CN106838923A (en) * | 2016-12-27 | 2017-06-13 | 安徽海螺川崎工程有限公司 | Waste incineration afterheat utilizing system |
| CN107300189A (en) * | 2017-07-25 | 2017-10-27 | 浙江浙能绍兴滨海热电有限责任公司 | A kind of coal-fired combustion equipment |
-
2014
- 2014-02-26 CN CN201420081985.0U patent/CN203731456U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105986845A (en) * | 2015-02-15 | 2016-10-05 | 深圳市能源环保有限公司 | Steam pipeline system of steam turbine |
| CN106678832A (en) * | 2016-12-27 | 2017-05-17 | 安徽海螺川崎工程有限公司 | Superheater for waste heat boiler of waste incineration system |
| CN106838923A (en) * | 2016-12-27 | 2017-06-13 | 安徽海螺川崎工程有限公司 | Waste incineration afterheat utilizing system |
| CN107300189A (en) * | 2017-07-25 | 2017-10-27 | 浙江浙能绍兴滨海热电有限责任公司 | A kind of coal-fired combustion equipment |
| CN107300189B (en) * | 2017-07-25 | 2023-07-04 | 浙江浙能绍兴滨海热电有限责任公司 | Coal burning equipment |
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