CN104100957B - A kind of boiler waste heat recovery system - Google Patents
A kind of boiler waste heat recovery system Download PDFInfo
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- CN104100957B CN104100957B CN201410333769.5A CN201410333769A CN104100957B CN 104100957 B CN104100957 B CN 104100957B CN 201410333769 A CN201410333769 A CN 201410333769A CN 104100957 B CN104100957 B CN 104100957B
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- boiler
- waste heat
- heat exchanger
- heat recovery
- waste
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- 239000002918 waste heat Substances 0.000 title claims abstract description 45
- 238000011084 recovery Methods 0.000 title claims abstract description 37
- 230000000712 assembly Effects 0.000 claims abstract description 13
- 238000000429 assembly Methods 0.000 claims abstract description 13
- 239000002912 waste gas Substances 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 8
- 239000000498 cooling water Substances 0.000 claims description 12
- 239000003507 refrigerant Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 239000003517 fume Substances 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000003500 flue dust Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The invention discloses a kind of boiler waste heat recovery system, relate to heating power supply environmental technology field.Boiler waste heat recovery system provided by the invention can collect the fume afterheat of heat and the boiler discharge of distributing boiler periphery simultaneously, can the waste heat of overall absorption boiler, waste heat recovery rate is high, be arranged on the periphery of boiler due to heat exchange tube assemblies instead of be arranged on the inside of boiler, can not the heat of absorption boiler inside, can not have an impact to boiler self, waste gas outlet connects heat exchanger through the first air-introduced machine, and gas outlet second air-introduced machine of heat exchanger connects emission-control equipment, avoid the flue dust in waste gas to pile up in pipeline to result in blockage, structure is reliable.
Description
Technical field
The present invention relates to heating power supply environmental technology field, particularly relate to a kind of boiler waste heat recovery system.
Background technology
In industrial boiler operation process, there is high fume temperature, insufficient, the problem such as boiler thermal output is low of burning.The energy total amount of exhaust gas heat loss's disalignment is huge, and this part of energy is made full use of waste heat air and water, improves air themperature and feed temperature, can improve fuel utilization efficiency to a certain extent.The nearly ISUZU company of industrial boilers in China uses cast iron gilled tube economizer Mist heat recovering always, and its heat transfer efficiency is not low, the difficult cleaning of dust stratification, corrosion-resistant.Also the device of several types is developed both at home and abroad, the contradiction between cold end corrosion, fouling, manufacture and operating cost for Industrial Boiler heat recovery problem.Therefore research and development popularization operating cost is low, long service life, the scope of application are wide, can apply to various model new equipment and fire coal, fuel oil, the steam boiler of combustion natural gas, hot-water boiler and boiler of organic heat carrier, and the Industrial Boiler waste heat boiler waste-heat recovery device with the chemical plant installations that waste heat recovery is worth can be applied to there is important practical significance.Demonstrate boiler flue gas outlet temperatures as high 260 DEG C-320 DEG C; Cast iron gilled tube economizer practical application efficiency is less than 3%, and exhaust gas temperature is still more than 200 DEG C.
Summary of the invention
The object of the invention is to propose that a kind of waste heat recovery rate is high, structure reliably not susceptible to plugging boiler waste heat recovery system.
An also object of the present invention is the light supplementing lamp for plants assembly proposing a kind of good heat dissipation effect.
For reaching this object, the present invention by the following technical solutions:
A kind of boiler waste heat recovery system, described system comprises boiler, waste heat recovery apparatus, heat exchanger and vapor can, and the waste heat of described boiler is transferred to described vapor can through described heat exchanger by described waste heat recovery apparatus;
Described waste heat recovery apparatus comprises the heat exchange tube assemblies being arranged at described boiler periphery, described heat exchange tube assemblies, the first circulating pump and described heat exchanger composition refrigerant circulation circuit;
Described boiler is also provided with waste gas outlet, and described waste gas outlet is connected to the air inlet of described heat exchanger through the first air-introduced machine, and gas outlet second air-introduced machine corresponding with described air inlet on described heat exchanger connects emission-control equipment;
The cooling water outlet of described vapor can connects the cooling water inlet of described heat exchanger through the second circulating pump, steam (vapor) outlet corresponding with described cooling water inlet on described heat exchanger is linked back the steam inlet of described vapor can by the road.
Preferably, described heat exchange tube assemblies comprises the first endless tube being surrounded on described upper boiler, the second endless tube being surrounded on described lower portion thereof and is communicated with multiple straight tubes of described first endless tube and described second endless tube, and described first endless tube and described second endless tube are connected with the refrigerant inlet of heat exchanger and refrigerant exit respectively.
Preferably, described straight tube is uniform along the periphery of described boiler.
Preferably, described straight tube is 15-20.
Preferably, the export pipeline of described vapor can cooling water outlet is provided with filter.
Preferably, described first circulating pump and described second circulating pump are vavuum pump.
Beneficial effect of the present invention is:
(1) boiler waste heat recovery system provided by the invention can collect the fume afterheat that the heat that distributes boiler periphery and boiler are discharged simultaneously, can the waste heat of overall absorption boiler, and waste heat recovery rate is high;
(2) be arranged on the periphery of boiler due to heat exchange tube assemblies instead of be arranged on the inside of boiler, can not the heat of absorption boiler inside, can not have an impact to boiler self;
(3) waste gas outlet connects heat exchanger through the first air-introduced machine, and gas outlet second air-introduced machine of heat exchanger connects emission-control equipment, and avoid the flue dust in waste gas to pile up in pipeline and result in blockage, structure is reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of boiler waste heat recovery system that the embodiment of the present invention one provides;
Fig. 2 is the structural representation of a kind of boiler waste heat recovery system that the embodiment of the present invention two provides.
In figure, 1, boiler; 2, heat exchanger; 3, vapor can; 4, heat exchange tube assemblies; 41, the first endless tube; 42, the second endless tube; 43, straight tube; 5, the first circulating pump; 6, the first air-introduced machine; 7, the second air-introduced machine; 8, the second circulating pump; 9, emission-control equipment; 10, filter.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Embodiment one:
Present embodiments provide a kind of boiler waste heat recovery system, as shown in Figure 1, this boiler waste heat recovery system comprises boiler 1, waste heat recovery apparatus, heat exchanger 2 and vapor can 3.The waste heat of boiler is transferred to vapor can 3 through heat exchanger 2 by waste heat recovery apparatus, changes the cool water heating in vapor can 3 into steam and is stored in vapor can 3.
Waste heat recovery apparatus comprises the heat exchange tube assemblies 4 being arranged at boiler 1 periphery, and wherein heat exchange tube assemblies 4, first circulating pump 5 and heat exchanger 2 form refrigerant circulation circuit.Multiple straight tubes 43, first endless tube 41 that heat exchange tube assemblies 4 comprises the first endless tube 41 being surrounded on boiler 1 top, the second endless tube 42 being surrounded on boiler 1 bottom and is communicated with the first endless tube 41 and the second endless tube 42 and the second endless tube 42 are connected with the refrigerant inlet of heat exchanger 2 and refrigerant exit respectively.
As a kind of preferred embodiment, straight tube 43 is uniform along the periphery of boiler 1.
As a kind of preferred embodiment, straight tube 43 is 15-20.
Boiler 1 is also provided with waste gas outlet, and waste gas outlet is connected to the air inlet of heat exchanger 2 through the first air-introduced machine 6, and gas outlet second air-introduced machine 7 corresponding with air inlet on heat exchanger 2 connects emission-control equipment 9.
The cooling water outlet of vapor can 3 connects the cooling water inlet of heat exchanger 2 through the second circulating pump 8, steam (vapor) outlet corresponding with cooling water inlet on heat exchanger 2 is linked back the steam inlet of vapor can 3 by the road.
As a kind of preferred embodiment, the first circulating pump 5 and the second circulating pump 8 are vavuum pump.
The boiler waste heat recovery system that the present embodiment provides can collect the fume afterheat that the heat that distributes boiler periphery and boiler are discharged simultaneously, can the waste heat of overall absorption boiler, and waste heat recovery rate is high.
Be arranged on the periphery of boiler due to heat exchange tube assemblies instead of be arranged on the inside of boiler, can not the heat of absorption boiler inside, can not have an impact to boiler self.
Waste gas outlet connects heat exchanger through the first air-introduced machine, and gas outlet second air-introduced machine of heat exchanger connects emission-control equipment, and avoid the flue dust in waste gas to pile up in pipeline and result in blockage, structure is reliable.
Embodiment two:
Present embodiments provide a kind of boiler waste heat recovery system, as shown in Figure 2, this boiler waste heat recovery system comprises boiler 1, waste heat recovery apparatus, heat exchanger 2 and vapor can 3.The waste heat of boiler is transferred to vapor can 3 through heat exchanger 2 by waste heat recovery apparatus, changes the cool water heating in vapor can 3 into steam and is stored in vapor can 3.
Difference is, in the present embodiment, the export pipeline of vapor can 3 cooling water outlet is provided with filter 10.Water in pipeline can be filtered by arranging filter 10, avoiding the blocking of pipeline further, ensure dependability.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (4)
1. a boiler waste heat recovery system, it is characterized in that: described system comprises boiler (1), waste heat recovery apparatus, heat exchanger (2) and vapor can (3), and the waste heat of described boiler (1) is transferred to described vapor can (3) through described heat exchanger (2) by described waste heat recovery apparatus;
Described waste heat recovery apparatus comprises the heat exchange tube assemblies (4) being arranged at described boiler (1) periphery, described heat exchange tube assemblies (4), the first circulating pump (5) and described heat exchanger (2) composition refrigerant circulation circuit;
(1) is also provided with waste gas outlet to described boiler, described waste gas outlet is connected to the air inlet of described heat exchanger (2) through the first air-introduced machine (6), and the upper gas outlet second air-introduced machine (7) corresponding with described air inlet of described heat exchanger (2) connects emission-control equipment (9);
The cooling water outlet of described vapor can (3) connects the cooling water inlet of described heat exchanger (2) through the second circulating pump (8), the upper steam (vapor) outlet corresponding with described cooling water inlet of described heat exchanger (2) is linked back the steam inlet of described vapor can (3) by the road;
The export pipeline of described vapor can (3) cooling water outlet is provided with filter (10;
Described first circulating pump (5) and described second circulating pump (8) are vavuum pump.
2. a kind of boiler waste heat recovery system according to claim 1, it is characterized in that: described heat exchange tube assemblies (4) comprises the first endless tube (41) being surrounded on described boiler (1) top, the second endless tube (42) being surrounded on described boiler (1) bottom and is communicated with multiple straight tubes (43) of described first endless tube (41) and described second endless tube (42), described first endless tube (41) and described second endless tube (42) are connected with the refrigerant inlet of heat exchanger (2) and refrigerant exit respectively.
3. a kind of boiler waste heat recovery system according to claim 2, is characterized in that: described straight tube (43) is uniform along the periphery of described boiler (1).
4. a kind of boiler waste heat recovery system according to Claims 2 or 3, is characterized in that: described straight tube (43) is 15-20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410333769.5A CN104100957B (en) | 2014-07-15 | 2014-07-15 | A kind of boiler waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410333769.5A CN104100957B (en) | 2014-07-15 | 2014-07-15 | A kind of boiler waste heat recovery system |
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| Publication Number | Publication Date |
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| CN104100957A CN104100957A (en) | 2014-10-15 |
| CN104100957B true CN104100957B (en) | 2016-04-27 |
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| CN201410333769.5A Active CN104100957B (en) | 2014-07-15 | 2014-07-15 | A kind of boiler waste heat recovery system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108467459B (en) * | 2018-04-16 | 2021-04-20 | 德莱创节能科技（苏州）有限公司 | Energy-saving and emission-reducing styrene-butadiene latex production system |
| CN110957843A (en) * | 2019-12-18 | 2020-04-03 | 安徽德科电气科技有限公司 | Water-cooled medium and small power IP55 generator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202118868U (en) * | 2011-05-28 | 2012-01-18 | 安徽中源化工有限公司 | Exhaust gas waste heat recovery processor |
| CN202303917U (en) * | 2011-10-20 | 2012-07-04 | 河南中控柜架有限公司 | Heat recycling device for medium and small-sized boilers |
| CN103629942A (en) * | 2013-12-11 | 2014-03-12 | 淄博航康商贸有限公司 | Residual heat collection system for tunnel kilns |
| WO2014083440A1 (en) * | 2012-11-30 | 2014-06-05 | Gas Point S.R.L. | Heating apparatus comprising a condensing boiler and a heat pump |
| CN203642155U (en) * | 2013-12-26 | 2014-06-11 | 昆明锦荣饲料有限公司 | Boiler waste heat recycling system |
| CN204005923U (en) * | 2014-07-15 | 2014-12-10 | 王琬 | A kind of boiler waste heat recovery system |
-
2014
- 2014-07-15 CN CN201410333769.5A patent/CN104100957B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202118868U (en) * | 2011-05-28 | 2012-01-18 | 安徽中源化工有限公司 | Exhaust gas waste heat recovery processor |
| CN202303917U (en) * | 2011-10-20 | 2012-07-04 | 河南中控柜架有限公司 | Heat recycling device for medium and small-sized boilers |
| WO2014083440A1 (en) * | 2012-11-30 | 2014-06-05 | Gas Point S.R.L. | Heating apparatus comprising a condensing boiler and a heat pump |
| CN103629942A (en) * | 2013-12-11 | 2014-03-12 | 淄博航康商贸有限公司 | Residual heat collection system for tunnel kilns |
| CN203642155U (en) * | 2013-12-26 | 2014-06-11 | 昆明锦荣饲料有限公司 | Boiler waste heat recycling system |
| CN204005923U (en) * | 2014-07-15 | 2014-12-10 | 王琬 | A kind of boiler waste heat recovery system |
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| CN104100957A (en) | 2014-10-15 |
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Inventor after: Sun Junbiao Inventor before: Wang Wan |
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Effective date of registration: 20170203 Address after: 030000 Taiyuan economic and Technological Development Zone, Henghe, West Lane, No. two, No. 8, Shanxi Patentee after: Shanxi Gong Gong Amperex Technology Limited Address before: 075000 Zhangjiakou province Hebei City Qiaoxi North Village a pay 61 No. 2 No. 2 No. 604 unit Patentee before: Wang Wan |