CN204943433U - High-temperature flue gas recovery waste heat is utilized to produce the waste heat boiler of steam-electric power - Google Patents
High-temperature flue gas recovery waste heat is utilized to produce the waste heat boiler of steam-electric power Download PDFInfo
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- CN204943433U CN204943433U CN201520685636.4U CN201520685636U CN204943433U CN 204943433 U CN204943433 U CN 204943433U CN 201520685636 U CN201520685636 U CN 201520685636U CN 204943433 U CN204943433 U CN 204943433U
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Abstract
High-temperature flue gas recovery waste heat is utilized to produce the waste heat boiler of steam-electric power, adopt single drum horizontal formula structure, gas approach place arranges film-type water-cooling wall system, film-type water-cooling wall system is connected with steam-generating bank with low temperature superheater by high temperature superheater, steam-generating bank passes through high-temperature economizer successively, middle temperature economizer is connected with exhanst gas outlet with low-level (stack-gas) economizer, high-temperature economizer is connected with film-type water-cooling wall system by drum, film-type water-cooling wall system comprises prepattern wall, rear membrane wall, side membrane wall and enter mouth membrane wall, a tedge is connected between prepattern wall and rear membrane wall.The utility model has that compact conformation, heat recovery efficiency are high, reliable, the feature of energy-conserving and environment-protective, good airproof performance, thoroughly solve Air Leakage Into Boilers problem, substantially increase Boiler Steam output, abundant recovery waste heat, reduces cost of electricity-generating, improves economic benefit, the thermal efficiency more than 86%, can be applicable to the heat recovery of the industries such as carbon element, glass furnace, coking.
Description
Technical field
The utility model relates to a kind of heat recovery boiler, is specifically related to a kind of waste heat boiler utilizing high-temperature flue gas recovery waste heat to produce steam-electric power.
Background technology
Since entering 21st century, along with the quick growth of global economy, the quickening of global integration process, the contradiction between the supply and demand of the energy, the one side that the economic competition of every country is very important is just embodied in the competition of the energy.Day along with world energy sources is becoming tight, and while the rising steadily of energy prices, global ecological environment also goes from bad to worse.The shortage of the energy and the high of price cause manufacturing cost constantly to increase the continuous increase with the market competitive pressure.How effective energy-saving and emission-reduction, protection of the environment have become the great international problem that current international community faces.Concerning future and the destiny of the mankind.In this respect, the Chinese government also continues to increase management, constantly puts into effect the new policy of energy-saving and emission-reduction, CERCLA.Propose to reduce GDP energy consumption 16% in 5 years in " national economy and social development the 12 five-year-plan outline ", unit GDP CO2 emission reduces by 17%.Total emissions of major pollutants significantly reduces, and COD, sulfur dioxide (SO2) emissions reduce 8% respectively, and ammonia nitrogen, discharged nitrous oxides reduce by the objectives of 10% respectively.In " country 12 plan ten large emphasis energy conservation projects ", key technology and equipment industrialization such as the utilizations of quickening low grade residual heat.Accelerate energy-conserving and emission-cutting technology exploitation and apply, organizing the tackling key problem of energy-saving and emission-reduction general character, key and cutting edge technology, implementing energy-saving and emission-reduction important technical and equipment industrialization engineering, list the action that emphasis is implemented in.This also just means, competition between country's sustainable development and enterprise is no longer only the competition of the process rationality of each production process itself, how further economize energy is taped the latent power consumption reduction, the comprehensive utilization realizing the energy to greatest extent and Optimum utilization, has become more and more important.
In the heat recovery starting relatively evening of carbon element industry, also there is no the setting scheme of comparative maturity at present.According to situation about understanding and grasping, the waste heat flue gas flow of carbon element factory's calcining furnace is relatively stable, and flue-gas temperature higher (about about 1000 DEG C), dustiness is less, compares and is suitable for waste heat recovery, and has very high recovery value.Waste heat boiler be utilize sensible heat in waste gas, waste material or the waste liquid in various industrial process or (with) boiler of heat that produces after the burning of its combustible, current waste heat boiler exists that volume is large, complex structure and the low shortcoming of heat recovery efficiency, and the sealing of waste heat boiler is unsatisfactory, easily there is Air Leakage Into Boilers problem.
Utility model content
The utility model provides a kind of high-temperature flue gas recovery waste heat that utilizes and produces the waste heat boiler of steam-electric power, to solve the problem of the low and Air Leakage Into Boilers of complex structure that prior art exists, heat recovery efficiency.
The utility model solves the technical scheme that its technical problem adopts:
A kind of waste heat boiler utilizing high-temperature flue gas recovery waste heat to produce steam-electric power, adopt single drum horizontal formula structure, gas approach place arranges film-type water-cooling wall system, film-type water-cooling wall system is connected with steam-generating bank with low temperature superheater by high temperature superheater, steam-generating bank passes through high-temperature economizer successively, middle temperature economizer is connected with exhanst gas outlet with low-level (stack-gas) economizer, high-temperature economizer is connected with film-type water-cooling wall system by drum, film-type water-cooling wall system comprises prepattern wall, rear membrane wall, side membrane wall and enter mouth membrane wall, prepattern wall, rear membrane wall, side membrane wall and enter mouth membrane wall and to be connected to each other formation cooling chamber, a tedge is connected between prepattern wall and rear membrane wall.
Above-mentioned high temperature superheater arranges an outlet header, and low temperature superheater arranges an import header.
The operation principle of the utility model device is: the utility model adopts single drum horizontal formula structure, design fuel is waste heat flue gas, high-temperature flue gas is first by cooling chamber that fin panel casing is formed, then wash away the heating surface pipe of high temperature superheater, low temperature superheater, steam-generating bank, high-temperature economizer, middle temperature economizer and low-level (stack-gas) economizer successively, discharge finally by exhanst gas outlet.This boiler front portion is totally enclosed film water cold wall structure, flue gas and the external world completely isolated, therefore the light thermal-insulating material that only need lay 160mm thick outside membrane wall can reach design thermal requirements, thoroughly solves Air Leakage Into Boilers problem in the past, substantially increases Boiler Steam output.Light thermal-insulating material is fixed on outside membrane wall by being welded in round steel and steel wire on membrane wall fin, coated corrugation backplate outside insulation material, local irregularities's place's refractory concrete, insulation material, bitch wire netting and the process of sealing steel plate, steam-generating bank and middle high-temperature economizer are that refractory brick adds thermal insulation concrete furnace wall, crust dense steel plate soldering and sealing, low-level (stack-gas) economizer assembling is dispatched from the factory, and pipeline is carried out at scene and flue connects.
The utility model has that compact conformation, heat recovery efficiency are high, reliable, the feature of energy-conserving and environment-protective, good airproof performance, thoroughly solve Air Leakage Into Boilers problem, substantially increase Boiler Steam output, abundant recovery waste heat, reduces cost of electricity-generating, improves economic benefit, the thermal efficiency more than 86%, can be applicable to the heat recovery of the industries such as carbon element, glass furnace, coking.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the utility model device;
Fig. 2 is the structural representation of the utility model film-type water-cooling wall system;
Fig. 3 is the front elevational schematic of the utility model film-type water-cooling wall system.
In figure, in 1 gas approach, 2 film-type water-cooling wall systems, 3 high temperature superheaters, 4 low temperature superheaters, 5 steam-generating banks, 6 high-temperature economizers, 7, after warm economizer, 8 low-level (stack-gas) economizers, 9 drums, 10 exhanst gas outlets, 11 outlet headers, 12 import headers, 21 prepattern walls, 22 tedges, 23, membrane wall, 24 side membrane walls, 25 enter mouth membrane wall.
Detailed description of the invention
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of waste heat boiler utilizing high-temperature flue gas recovery waste heat to produce steam-electric power, adopt single drum horizontal formula structure, gas approach 1 place arranges film-type water-cooling wall system 2, film-type water-cooling wall system 2 is connected with steam-generating bank 5 with low temperature superheater 4 by high temperature superheater 3, high temperature superheater 3 arranges an outlet header 11, low temperature superheater 4 arranges an import header 12, steam-generating bank 5 is successively by high-temperature economizer 6, middle temperature economizer 7 is connected with exhanst gas outlet 10 with low-level (stack-gas) economizer 8, high-temperature economizer 6 is connected with film-type water-cooling wall system 2 by drum 9, film-type water-cooling wall system 2 comprises prepattern wall 21, rear membrane wall 23, side membrane wall 24 and enter mouth membrane wall 25, prepattern wall 21, rear membrane wall 23, side membrane wall 24 and enter mouth membrane wall 25 and to be connected to each other formation cooling chamber, a tedge 22 is connected between prepattern wall 21 and rear membrane wall 23.
The operation principle of the utility model device is: the utility model adopts single drum horizontal formula structure, design fuel is waste heat flue gas, high-temperature flue gas is first by cooling chamber that fin panel casing is formed, then wash away the heating surface pipe of high temperature superheater, low temperature superheater, steam-generating bank, high-temperature economizer, middle temperature economizer and low-level (stack-gas) economizer successively, discharge finally by exhanst gas outlet.This boiler front portion is totally enclosed film water cold wall structure, flue gas and the external world completely isolated, therefore the light thermal-insulating material that only need lay 160mm thick outside membrane wall can reach design thermal requirements, thoroughly solves Air Leakage Into Boilers problem in the past, substantially increases Boiler Steam output.Light thermal-insulating material is fixed on outside membrane wall by being welded in round steel and steel wire on membrane wall fin, coated corrugation backplate outside insulation material, local irregularities's place's refractory concrete, insulation material, bitch wire netting and the process of sealing steel plate, steam-generating bank and middle high-temperature economizer are that refractory brick adds thermal insulation concrete furnace wall, crust dense steel plate soldering and sealing, low-level (stack-gas) economizer assembling is dispatched from the factory, and pipeline is carried out at scene and flue connects.
Claims (2)
1. the waste heat boiler utilizing high-temperature flue gas recovery waste heat to produce steam-electric power, it is characterized in that adopting single drum horizontal formula structure, gas approach place arranges film-type water-cooling wall system, film-type water-cooling wall system is connected with steam-generating bank with low temperature superheater by high temperature superheater, steam-generating bank passes through high-temperature economizer successively, middle temperature economizer is connected with exhanst gas outlet with low-level (stack-gas) economizer, high-temperature economizer is connected with film-type water-cooling wall system by drum, film-type water-cooling wall system comprises prepattern wall, rear membrane wall, side membrane wall and enter mouth membrane wall, prepattern wall, rear membrane wall, side membrane wall and enter mouth membrane wall and to be connected to each other formation cooling chamber, a tedge is connected between prepattern wall and rear membrane wall.
2. the waste heat boiler utilizing high-temperature flue gas recovery waste heat to produce steam-electric power according to claim 1, it is characterized in that high temperature superheater arranges an outlet header, low temperature superheater arranges an import header.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685636.4U CN204943433U (en) | 2015-09-07 | 2015-09-07 | High-temperature flue gas recovery waste heat is utilized to produce the waste heat boiler of steam-electric power |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685636.4U CN204943433U (en) | 2015-09-07 | 2015-09-07 | High-temperature flue gas recovery waste heat is utilized to produce the waste heat boiler of steam-electric power |
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| CN204943433U true CN204943433U (en) | 2016-01-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895384A (en) * | 2017-04-01 | 2017-06-27 | 安徽科达洁能股份有限公司 | Residual neat recovering system |
| CN109708082A (en) * | 2018-12-29 | 2019-05-03 | 鄂冰 | Utilize the boiler of the heat of synthesis ammonia grace outlet of still coal gas |
| CN113790088A (en) * | 2021-04-02 | 2021-12-14 | 南京凯盛开能环保能源有限公司 | Industrial waste heat recovery efficient power generation method and system |
-
2015
- 2015-09-07 CN CN201520685636.4U patent/CN204943433U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895384A (en) * | 2017-04-01 | 2017-06-27 | 安徽科达洁能股份有限公司 | Residual neat recovering system |
| CN109708082A (en) * | 2018-12-29 | 2019-05-03 | 鄂冰 | Utilize the boiler of the heat of synthesis ammonia grace outlet of still coal gas |
| CN113790088A (en) * | 2021-04-02 | 2021-12-14 | 南京凯盛开能环保能源有限公司 | Industrial waste heat recovery efficient power generation method and system |
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