CN204678360U - A kind of boiler smoke-gas residual-heat recovering device - Google Patents
A kind of boiler smoke-gas residual-heat recovering device Download PDFInfo
- Publication number
- CN204678360U CN204678360U CN201520267335.XU CN201520267335U CN204678360U CN 204678360 U CN204678360 U CN 204678360U CN 201520267335 U CN201520267335 U CN 201520267335U CN 204678360 U CN204678360 U CN 204678360U
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- heat exchanger
- boiler
- heat
- recovering device
- heating power
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model provides a kind of boiler smoke-gas residual-heat recovering device, comprise steam boiler and desulfuring and denitrifying apparatus, the exhaust opening place of desulfuring and denitrifying apparatus is connected and installed closed loop heat exchanger and heating power interchanger by pipeline, the gas outlet of described heating power interchanger is connected with the thermal source import of roller drier by pipeline, described closed loop heat exchanger is connected with the heat exchanger be arranged in condensate line by heat exchanging pipe, described condensing water conduit is drawn by condensate water water tank, and the heating gate of described thermal deaerator is connected with described heating power interchanger by heat exchanger tube.Boiler afterheat recovering device of the present utility model, abundant recovery boiler fume afterheat, significantly improves the feed temperature of condensate water, makes it can reach 90 DEG C-95 DEG C, the condensate water after preheating is passed into the energy resource consumption effectively reducing boiler in boiler; The exhaust temperature of flue gas can be dropped to below dew point, reduce the discharge of pernicious gas in boiler smoke, reach the dual purpose of energy-saving and emission-reduction.
Description
Technical field
The utility model relates to a kind of waste-heat recovery device, specifically a kind of boiler smoke-gas residual-heat recovering device, belongs to heat recovery technology field.
Background technology
At present, there is high fume temperature in industrial boiler operation process, insufficient, the problem such as boiler thermal output is low of burning, the flue gas of domestic most of fuel oils, combustion gas, coal-burning boiler is directly disposed in air after desulphurization denitration, often some waste heat does not reclaim, this a part of energy is made full use of waste heat air and water, improve air themperature and feed temperature, can fuel utilization efficiency be improved to a certain extent; And aging along with desulphurization denitration equipment, its desulfurization off sulfide effect go fromes bad to worse, and so not only causes the significant wastage of the energy but also ambient air is produced to the pollution of very severe.
Utility model content
Technical problem to be solved in the utility model is, proposes a kind of boiler smoke-gas residual-heat recovering device, utilizes the matching relationship between boiler and economizer, can improve the waste heat recovery efficiency of gas fired-boiler, and can avoid producing adverse consequences to boiler.
The utility model solves the technical scheme of above technical problem: provide a kind of boiler smoke-gas residual-heat recovering device, comprise steam boiler, the exhaust opening of described steam boiler installs electrostatic precipitator and desulfuring and denitrifying apparatus successively, the exhaust opening place of described desulfuring and denitrifying apparatus is connected and installed closed loop heat exchanger and heating power interchanger by pipeline, the gas outlet of described heating power interchanger is connected with the thermal source import of roller drier by pipeline, and the gas outlet of described roller drier is connected with chimney through air-introduced machine; Described closed loop heat exchanger is connected with the heat exchanger be arranged in condensate line by heat exchanging pipe, and described condensing water conduit is drawn by condensate water water tank, by leading to the water inlet of boiler after thermal deaerator, water-delivery pump, heater and heat exchanger; The heating gate of described thermal deaerator is connected with described heating power interchanger by heat exchanger tube.
Further restriction technical scheme of the present utility model, aforesaid boiler smoke-gas residual-heat recovering device, be provided with two groups of heaters in described condensate line altogether, and these two groups heating form parallel circulating loop, at the two ends mounted valve in this parallel circulating loop with heat exchanger and water-delivery pump.
Aforesaid boiler smoke-gas residual-heat recovering device, in order to prevent carry in roller drier, directly discharge causes contaminated environment, and the pipeline therefore between described air-introduced machine and roller drier is provided with cyclone dust collectors.
Aforesaid boiler smoke-gas residual-heat recovering device, all installs heat-source Cycles pump in the heat exchanging pipe of described thermal deaerator and heat exchanger, to guarantee that the efficiency of cycle maximizes.
Further, aforesaid boiler smoke-gas residual-heat recovering device, described closed loop heat exchanger and heating power interchanger all adopt heat exchanger housing of tube.
The beneficial effects of the utility model: boiler afterheat recovering device of the present utility model, abundant recovery boiler fume afterheat, significantly improve the feed temperature of condensate water, make it can reach 90 DEG C-95 DEG C, the condensate water after preheating is passed into the energy resource consumption effectively reducing boiler in boiler; The exhaust temperature of flue gas can be dropped to below dew point, reduce the discharge of pernicious gas in boiler smoke, reach the dual purpose of energy-saving and emission-reduction.Through Site Test Analysis, boiler afterheat recovering device achieves the re-set target improving boiler thermal output 11%-14%.
Accompanying drawing explanation
Fig. 1 is the utility model device general flow chart.
Detailed description of the invention
embodiment 1
The present embodiment is a kind of boiler smoke-gas residual-heat recovering device, as shown in Figure 1, comprise steam boiler 1, the exhaust opening of steam boiler installs electrostatic precipitator 2 and desulfuring and denitrifying apparatus 3 successively, the exhaust opening place of desulfuring and denitrifying apparatus is connected and installed closed loop heat exchanger 4 and heating power interchanger 5 by pipeline, the gas outlet of heating power interchanger 5 is connected with the thermal source import of roller drier 6 by pipeline, the gas outlet of roller drier connects cyclone dust collectors 7, and the outlet of cyclone dust collectors is connected with chimney 9 through air-introduced machine 8; Closed loop heat exchanger 4 is connected with the heat exchanger 10 be arranged in condensate line by heat exchanging pipe, condensing water conduit is drawn by condensate water water tank 11, by leading to the water inlet of boiler 1 after thermal deaerator 12, water-delivery pump 13, heater 14 and heat exchanger 10; The heating gate of thermal deaerator 12 is connected with heating power interchanger 5 by heat exchanger tube, all installs heat-source Cycles pump 15 in the heat exchanging pipe of thermal deaerator and heat exchanger, to guarantee that the efficiency of cycle maximizes.
Two groups of heaters are provided with altogether in the condensate line of the present embodiment, and these two groups heating form parallel circulating loop with heat exchanger and water-delivery pump, at the two ends mounted valve in this parallel circulating loop, condensate water can be regulated to enter the water temperature of boiler by the aperture of control valve; In addition owing to carrying out drying brown coal by high-temperature flue gas, to improve the utilization rate of brown coal and to reduce the temperature of flue gas, in order to prevent taking coal dust out of in roller drier, directly discharge causes contaminated environment, and the pipeline therefore between air-introduced machine and roller drier is provided with cyclone dust collectors.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (5)
1. a boiler smoke-gas residual-heat recovering device, comprise steam boiler, the exhaust opening of described steam boiler installs electrostatic precipitator and desulfuring and denitrifying apparatus successively, it is characterized in that: the exhaust opening place of described desulfuring and denitrifying apparatus is connected and installed closed loop heat exchanger and heating power interchanger by pipeline, the gas outlet of described heating power interchanger is connected with the thermal source import of roller drier by pipeline, and the gas outlet of described roller drier is connected with chimney through air-introduced machine; Described closed loop heat exchanger is connected with the heat exchanger be arranged in condensate line by heat exchanging pipe, and described condensing water conduit is drawn by condensate water water tank, by leading to the water inlet of boiler after thermal deaerator, water-delivery pump, heater and heat exchanger; The heating gate of described thermal deaerator is connected with described heating power interchanger by heat exchanger tube.
2. boiler smoke-gas residual-heat recovering device as claimed in claim 1, it is characterized in that: in described condensate line, be provided with two groups of heaters altogether, and these two groups heating form parallel circulating loop, at the two ends mounted valve in this parallel circulating loop with heat exchanger and water-delivery pump.
3. boiler smoke-gas residual-heat recovering device as claimed in claim 1, is characterized in that: the pipeline between described air-introduced machine and roller drier is provided with cyclone dust collectors.
4. boiler smoke-gas residual-heat recovering device as claimed in claim 1, is characterized in that: all install heat-source Cycles pump in the heat exchanging pipe of described thermal deaerator and heat exchanger.
5. boiler smoke-gas residual-heat recovering device as claimed in claim 1, is characterized in that: described closed loop heat exchanger and heating power interchanger all adopt heat exchanger housing of tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520267335.XU CN204678360U (en) | 2015-04-28 | 2015-04-28 | A kind of boiler smoke-gas residual-heat recovering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520267335.XU CN204678360U (en) | 2015-04-28 | 2015-04-28 | A kind of boiler smoke-gas residual-heat recovering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204678360U true CN204678360U (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520267335.XU Expired - Fee Related CN204678360U (en) | 2015-04-28 | 2015-04-28 | A kind of boiler smoke-gas residual-heat recovering device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204678360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258473A (en) * | 2015-10-23 | 2016-01-20 | 苏州市吴江神州双金属线缆有限公司 | Drying device for row line |
-
2015
- 2015-04-28 CN CN201520267335.XU patent/CN204678360U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258473A (en) * | 2015-10-23 | 2016-01-20 | 苏州市吴江神州双金属线缆有限公司 | Drying device for row line |
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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 |
Granted publication date: 20150930 Termination date: 20200428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |