CN203704684U - Waste heat recycling device - Google Patents
Waste heat recycling device Download PDFInfo
- Publication number
- CN203704684U CN203704684U CN201320875315.1U CN201320875315U CN203704684U CN 203704684 U CN203704684 U CN 203704684U CN 201320875315 U CN201320875315 U CN 201320875315U CN 203704684 U CN203704684 U CN 203704684U
- Authority
- CN
- China
- Prior art keywords
- waste heat
- pipeline
- heat boiler
- baking oven
- butterfly valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
- Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
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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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
Abstract
The utility model discloses a waste heat recycling device, comprising a grate cooler, a total-oxygen glass kiln, a dust collector, a waste heat boiler, a plurality of pipelines, an oven, a turbine and a generator, wherein a double-spiral-surface heat exchanger is arranged in the oven, a plurality of air inlets and air outlets are formed in the oven, the grate cooler is connected with the dust collector through a pipeline, the dust collector is connected with the waste heat boiler through a pipeline, a heat exchanger is arranged in the waste heat boiler, the junction of the waste heat boiler and the pipeline is provided with a flue butterfly valve, the waste heat boiler is connected with the air inlets of the oven through pipelines, and is connected with the turbine, the turbine is connected with the generator, the total-oxygen glass kiln is connected with the pipeline between the dust collector and the waste heat boiler through a draught tube, and a draught tube butterfly valve is arranged in the draught tube. Waste heat of the high-grade glass kiln and waste heat of a low-grade cement kiln are fully utilized, so that the energy sources are saved, and secondary utilization of the energy is realized.
Description
Technical field:
The utility model relates to a kind of environment protecting power economizer, more particularly a kind of heat recovery dress.
Background technology:
In cement production process, part of waste heat is recycled utilization, but still have a large amount of in, low grade residual heat is discharged, even if will utilize this part waste heat, also to further heat this part waste heat.
All-oxygen combustion glass furnace is to replace air as combustion-supporting material using oxygen, has reduced the discharge amount of exhaust gas such as nitrogen oxide, and smog discharge temperature is at 900～1300 DEG C.All-oxygen combustion glass furnace discharge flue gas has that temperature is high, flow is little, produce waste heat feature of high grade.By high-grade waste heat and low grade residual heat are mixed, obtain the mixed flue gas that a kind of temperature is higher.Again these mixed flue gas are carried out to secondary utilization, can improve the utilization rate of low grade residual heat and high-grade waste heat.Up to the present, also there is not a kind of device simultaneously mixed flue gas of the waste heat of cement kiln and the generation of all-oxygen combustion glass furnace being made full use of.
Summary of the invention:
The purpose of this utility model is to solve prior art deficiency, provides a kind of simple in structure, and utilization rate of waste heat is high, the heat recovery device of good purification.
A kind of heat recovery device of the present utility model comprises grate-cooler, total oxygen glass furnace, deduster, waste heat boiler, some pipelines, baking oven, steam turbine and generator, in described baking oven, be provided with two helicoid heat exchangers, described baking oven is provided with some air inlets and gas outlet, described grate-cooler is connected with described deduster by pipeline, described deduster is connected with described waste heat boiler by pipeline, in described waste heat boiler, be provided with heat exchanger, described waste heat boiler and described pipeline junction are provided with flue butterfly valve, described waste heat boiler is connected with an air inlet of described baking oven by pipeline, described waste heat boiler is connected with described steam turbine by pipeline, described steam turbine is connected with described generator, described total oxygen glass furnace is connected with the pipeline between described deduster and described waste heat boiler by induced duct, in described induced duct, be provided with induced duct butterfly valve.
From such scheme, the hot flue gas that grate-cooler produces mixes with the hot flue gas that total oxygen glass furnace produces after deduster, enter in waste heat boiler by after flue butterfly valve, water in waste heat boiler and hot flue gas form superheated steam after superheater exchange, superheated steam pushing turbine, steam turbine drives generating set to generate electricity, superheated steam is finished the middle low-temperature mixed flue gas forming after merit, middle low-temperature mixed flue gas is after two helicoid heat exchangers, heat is further utilized, realize the secondary utilization of the energy, improved hot flue gas utilization efficiency.The hot flue gas that grate-cooler produces, through deduster, while being discharged into air, can reduce the pollution to environment.
A kind of preferred version is that described baking oven is provided with refractory, described pair of helicoid heat exchanger of described refractory parcel.
From such scheme, the two helicoid heat exchangers of refractory parcel, can reduce scattering and disappearing of heat.
A kind of preferred version is that the flue butterfly valve place in described pipeline is provided with temperature sensor and flowmeter.
From such scheme, the flue butterfly valve place in pipeline is provided with temperature sensor and flowmeter, by flue butterfly valve, temperature sensor and flowmeter by the temperature of the hot flue gas in pipeline and flow-control in a stable scope.
Comprehensive such scheme, the utlity model has following advantage: (1) is by introducing a small amount of high-grade total oxygen glass kiln residual heat, can in the situation that not improving unit heat consumption of clinker, improve the generated energy of cement kiln middle-low temperature heat, make full use of cement kiln waste heat and total oxygen glass waste heat, saved the energy; (2) cleaning flue gases after dedusting has reduced the wearing and tearing to high-temperature flue and waste heat boiler, has extended the service life of flue and waste heat boiler, has reduced the dust content in discharging waste gas simultaneously; (3) there is efficient heat transfer performance with the baking oven of two helicoid heat exchangers, the middle-low temperature heat of heat boiler outlet is made full use of, realized the secondary utilization of the energy, improved useless fume afterheat utilization ratio.
Brief description of the drawings:
Fig. 1 is the utility model heat recovery device schematic diagram.
Identifier declaration in figure: grate-cooler 1, pipeline 2, deduster 3, induced duct butterfly valve 4, total oxygen glass furnace 5, induced duct 51, generator 6, steam turbine 7, waste heat boiler 8, heat exchanger 81, flue butterfly valve 9, temperature sensor 10, flowmeter 11, two helicoid heat exchanger 12, air inlet 13, gas outlet 14, baking oven 15, refractory 16.
Detailed description of the invention:
For setting forth thought of the present utility model and object, below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1, heat recovery device of the present utility model, comprise grate-cooler 1, total oxygen glass furnace 5, deduster 3, waste heat boiler 8, some pipelines 2, baking oven 15, steam turbine 7 and generator 6, in baking oven 15, be provided with two helicoid heat exchangers 12, baking oven 15 is provided with air inlet 13 and gas outlet 14, grate-cooler 1 is connected with deduster 3 by pipeline 2, deduster 3 is connected with waste heat boiler 8 by pipeline 2, in waste heat boiler 8, be provided with heat exchanger 81, waste heat boiler 8 is provided with flue butterfly valve 9 with pipeline 2 junctions, waste heat boiler 8 is connected with the air inlet 13 of baking oven 15 by pipeline 2, waste heat boiler 8 is connected with steam turbine 7, steam turbine 7 is connected with generator 6, total oxygen glass furnace 5 is connected with the pipeline 2 between deduster 3 and waste heat boiler 8 by induced duct 51, in induced duct 51, be provided with induced duct butterfly valve 4.In baking oven 15, be provided with refractory 16, the two helicoid heat exchangers 12 of refractory 16 parcel.Flue butterfly valve 9 places in pipeline 2 are provided with temperature sensor 10 and flowmeter 11.
The high temperature kiln hood flue gas that grate-cooler 1 produces, by resistant to elevated temperatures deduster 3, obtains the middle high temperature kiln hood flue gas that dust content is few, and kiln hood flue-gas temperature is 300 to 400 degrees Celsius; Middle high temperature kiln hood flue gas and a small amount of high temp glass kiln flue gas in pipeline 2, converge formation in high temperature mixed flue gas, middle high temperature mixed flue gas after converging is through the detection of flowmeter 11 and temperature sensor 10, the value of detection and default value are compared, according to the Kai Heguan of output control flue butterfly valve 9 relatively, the mixed flue gas flow in guarantee pipeline 2 and temperature are in a metastable scope.The water that middle high temperature mixed flue gas and waste heat boiler are 8 li carries out after heat exchange, low-temperature mixed flue gas and superheated steam in formation, and superheated steam pushing turbine 7, steam turbine 7 drives generating set 6 to generate electricity.Superheated steam is finished after merit, and in all the other, low-temperature mixed flue gas and part steam carry out heat exchange through two helicoid heat exchangers 12, and heat is further utilized, and have realized the secondary utilization of the energy, have improved hot flue gas utilization efficiency.Flue gas after deduster 3 dedustings has reduced the wearing and tearing to flue 2 and waste heat boiler 8 simultaneously, has extended flue 2 and 8 service lifes of waste heat boiler, has reduced the dust content in discharge flue gas simultaneously, has reduced the pollution to environment.
More than that heat recovery device provided by the utility model is described in detail, applied specific case herein structural principle of the present utility model and embodiment are set forth, above embodiment is just for helping to understand method of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (3)
1. a heat recovery device, it is characterized in that, comprise grate-cooler (1), total oxygen glass furnace (5), deduster (3), waste heat boiler (8), some pipelines (2), baking oven (15), steam turbine (7) and generator (6), in described baking oven (15), be provided with two helicoid heat exchangers (12), described baking oven (15) is provided with some air inlets (13) and gas outlet (14), described grate-cooler (1) is connected with described deduster (3) by pipeline (2), described deduster (3) is connected with described waste heat boiler (8) by pipeline (2), in described waste heat boiler (8), be provided with heat exchanger (81), described waste heat boiler (8) is provided with flue butterfly valve (9) with described pipeline (2) junction, described waste heat boiler (8) is connected with the air inlet (13) of described baking oven (15) by pipeline (2), described waste heat boiler (8) is connected with described steam turbine (7), described steam turbine (7) is connected with described generator (6), described total oxygen glass furnace (5) is connected with the pipeline (2) between described deduster (3) and described waste heat boiler (8) by induced duct (51), in described induced duct (51), be provided with induced duct butterfly valve (4).
2. heat recovery device according to claim 1, it is characterized in that, in described baking oven (15), be provided with refractory (16), described refractory (16) wraps up described pair of helicoid heat exchanger (12).
3. heat recovery device according to claim 1, is characterized in that, the flue butterfly valve (9) in described pipeline (2) locates to be provided with temperature sensor (10) and flowmeter (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320875315.1U CN203704684U (en) | 2013-12-27 | 2013-12-27 | Waste heat recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320875315.1U CN203704684U (en) | 2013-12-27 | 2013-12-27 | Waste heat recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203704684U true CN203704684U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320875315.1U Expired - Fee Related CN203704684U (en) | 2013-12-27 | 2013-12-27 | Waste heat recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203704684U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197050A (en) * | 2016-08-31 | 2016-12-07 | 安徽溢彩玻璃器皿有限公司 | A kind of glass furnace residual neat recovering system |
| CN109059564A (en) * | 2018-06-11 | 2018-12-21 | 孙海霞 | Air preheat waste-heat recovery device |
| CN110449025A (en) * | 2019-08-01 | 2019-11-15 | 北京裕嘉源环保科技有限公司 | Sintering machine heats without fuel and realizes middling temperature DeNOx technology system |
-
2013
- 2013-12-27 CN CN201320875315.1U patent/CN203704684U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197050A (en) * | 2016-08-31 | 2016-12-07 | 安徽溢彩玻璃器皿有限公司 | A kind of glass furnace residual neat recovering system |
| CN109059564A (en) * | 2018-06-11 | 2018-12-21 | 孙海霞 | Air preheat waste-heat recovery device |
| CN110449025A (en) * | 2019-08-01 | 2019-11-15 | 北京裕嘉源环保科技有限公司 | Sintering machine heats without fuel and realizes middling temperature DeNOx technology system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20181227 |