CN106016238A - Heat exchanger for waste heat recovery of coal-fired boiler - Google Patents
Heat exchanger for waste heat recovery of coal-fired boiler Download PDFInfo
- Publication number
- CN106016238A CN106016238A CN201610318395.9A CN201610318395A CN106016238A CN 106016238 A CN106016238 A CN 106016238A CN 201610318395 A CN201610318395 A CN 201610318395A CN 106016238 A CN106016238 A CN 106016238A
- Authority
- CN
- China
- Prior art keywords
- temperature
- measuring point
- heat exchanger
- finned tube
- coal
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
Abstract
The invention discloses a heat exchanger for waste heat recovery of a coal-fired boiler. The design concept combining a section-separated heat transfer enhancement principle and a technology for flexibly adjusting the tube wall temperature through graded water supply is adopted, the heat exchanger is divided into a high-temperature section adopting carbon steel and a low-temperature section adopting ND steel, tube bundles are staggered, media inside and outside tubes are in a counter-flow type, the tube wall temperature of the high-temperature section and the low-temperature section is adjusted precisely in a graded water supply manner, so that the tube wall temperature is higher than the acid dew point temperature of flue gas throughout, and a low-temperature corrosion relieving effect is realized. The technical problems of low heat transfer temperature pressure and serious low-temperature acid-dew-point corrosion in low-temperature flue gas waste heat recovery of the coal-fired boiler are solved very well, by means of combination of section-separated heat transfer enhancement and flexible adjustment of the tube wall temperature through graded water supply, the heat exchange performance and the anti-corrosion effect of the low-temperature heat exchanger are improved obviously, the efficiency and the economical efficiency of the low-temperature flue gas waste heat recovery of the coal-fired boiler are improved substantially, and the heat exchanger has good social and economic benefit and great industrial application and popularization potential.
Description
Technical field
The present invention relates to a kind of coal-burning boiler waste heat recovery heat exchanger, it is adaptable to low temperature exhaust heat recycles neck
Territory.
Background technology
During coal-burned industrial boiler operation, heat loss due to exhaust gas is maximum in various heat losses one,
In domestic boiler controller system longtime running, exhaust gas temperature is generally higher than design load, typically 160～180 DEG C it
Between, fume emission has taken away a large amount of waste heat, and most industry boiler is the most sharp in process of production
Using these residual heat resources, if this part of waste heat can be reclaimed, energy-conservation effect will be considerable.Row
Cigarette temperature often reduces by 15 DEG C, and boiler efficiency about improves 1%.It is domestic and international coal fired power generation that low temperature exhaust heat reclaims
The wide variety of power-saving technology of industry, recent year popularization and application are quickly.Return at low temperature exhaust heat
Debit face, mainly by installing cryogenic heat exchanger heating boiler backwater or pot additional after air preheater
Stove moisturizing, improves boiler feed temperature, thus reduces coal consumption, improves boiler efficiency.More than boiler exhaust gas
Heat belongs to low grade residual heat resource, there is heat transfer property poor rotten with low temperature dew point on recycling
Erosion two large problems, the two problem makes pick up the heat difficulty more than boiler exhaust gas keep in repair into transformation
This increase, limits promoting the use of of cryogenic heat exchanger largely.Therefore, how more than the low temperature
Improve the coefficient of heat transfer of cryogenic heat exchanger during pick up the heat and improve the corrosion condition of heat exchange element
It is two large problems the most urgently to be resolved hurrily, reclaims can promote the use of concerning low temperature exhaust heat.
Summary of the invention
The technical problem to be solved is the defect overcoming prior art, it is provided that more than a kind of coal-burning boiler
Recuperation of heat heat exchanger, it can solve heat transfer temperature and pressure during coal-burning boiler low-temperature flue gas waste heat reclaims well
The technology limitation little, low temperature acid dew piont corrosion is serious, by subregion enhanced heat exchange with classification feedwater flexibly
Regulation tube wall temperature combines so that heat exchange property and the anticorrosion ability of cryogenic heat exchanger have had significantly
Improve, efficiency and economy that coal-burning boiler low-temperature flue gas waste heat reclaim have been significantly increased, have had
Well Social and economic benef@, commercial Application and promotion potential are huge.
The present invention solves above-mentioned technical problem and adopts the technical scheme that: a kind of coal-burning boiler waste heat recovery is with changing
Hot device, including casing, and is arranged on the finned tube of box house upper end, and is arranged on the light below finned tube
Pipe, the outside of described casing is provided with medium main entrance and medium general export, the medium inlet of described finned tube
It is connected with medium main entrance respectively with the medium inlet of light pipe, the media outlet of described finned tube and Jie of light pipe
Matter outlet is connected with medium general export respectively, is provided with cigarette temperature measuring point, described finned tube, light in described casing
It is respectively arranged with medium temperature measuring point, described finned tube, light pipe and medium main entrance in pipe and medium main entrance
Inside being respectively arranged with rate-of flow measuring point, the material of described finned tube is carbon steel, and the material of described light pipe is ND
Steel.
Further, in order to accurately measure the temperature of the flue gas of heat exchanger each position interior, described cigarette temperature
Measuring point includes being arranged on the cigarette temperature measuring point one at tank inlet from top to bottom, is arranged on the cigarette of finned tube center
Temperature measuring point two, it is arranged on the cigarette temperature measuring point three of finned tube and light pipe separation, is arranged on the cigarette of light pipe center
Temperature measuring point four and be arranged on the cigarette temperature measuring point five at tank outlet.
Further, in order to detection medium enters the temperature before heat exchanger, described medium temperature measuring point bag
Include and be arranged on the temperature point one of medium main entrance, be arranged on temperature point two and at finned tube media outlet
It is arranged on the temperature point three at light pipe media outlet.
Further, in order to detection medium is passed through the changes in flow rate of heat exchanger, described rate-of flow measuring point bag
Include the flow measuring point one being arranged at finned tube medium inlet and be arranged on the flow measuring point at light pipe medium inlet
Two.
Further, in order to realize temperature and the detection of rate-of flow everywhere in heat exchanger, described cigarette temperature measuring point and
The measurement device of medium temperature measuring point is respectively thermocouple, and the measurement device of described rate-of flow measuring point is flow
Meter.
Further, passing in and out heat exchanger for the ease of flue gas, described tank inlet is provided with smoke inlet, described
Tank outlet is provided with exhanst gas outlet.
Further, for the ease of being connected in flue by heat exchanger, described smoke inlet and exhanst gas outlet are respectively
It is provided with adpting flange, described adpting flange is evenly arranged with multiple bolt hole.
Further, in order to realize subregion heat exchange and classification feedwater, described box house is divided into high temperature section and low temperature
Section, described finned tube is arranged on high temperature section, and described light pipe is arranged on low-temperature zone.
Further, in order to increase level of disruption and the heat exchange area of flue gas, described finned tube includes level respectively
Fin bend pipe and oblique fin bend pipe, described light pipe includes horizon light bend pipe and skew ray bend pipe, described level respectively
Fin bend pipe and oblique fin bend pipe are for being staggered in arrangement, and described horizon light bend pipe and skew ray bend pipe are for being staggered in arrangement.
After have employed technique scheme, the present invention has following beneficial effect: due to: 1, high temperature section
Have employed finned tube cast and be staggered in arrangement, being conducive to strengthening flue gas level of disruption, increase heat exchange area,
Being also beneficial to reduce heat exchange equipment take up room, thus increase the coefficient of heat transfer, employing carbon steel material can
To save promoting the use of of certain manufacturing cost, beneficially cryogenic heat exchanger；2, low-temperature zone uses light
Pipe, can reduce heat exchanger resistance and improve tube bank dust stratification situation, using to be staggered in arrangement and can strengthen cigarette
Gas disturbance degree, uses ND steel matter can effectively improve tube bank low temperature acid dew piont corrosion, favorably
In reclaiming the low temperature exhaust heat of more lower temperature as much as possible, expand the range of application of cryogenic heat exchanger；3,
High and low temperature section uses the mode of classification feedwater, and is provided with multiple cigarette temperature measuring point, medium temperature survey
Point and rate-of flow measuring point, the beneficially confluent of flexible high and low temperature section and feedwater ratio, from
And efficiently control tube wall temperature, reach flexible exhaust gas temperature and the mesh of effective pre-anti-low-temperature corrosion
, thus cryogenic heat exchanger can be made to remain to run safely and efficiently in low-temperature flue gas, extend low
In the service life of temperature heat exchanger, decrease cryogenic heat exchanger maintenance replacement cost.In sum, this
Bright coal-burning boiler waste heat recovery heat exchanger effectively overcomes in prior art owing to low-temperature flue gas conducts heat
The heat exchange property that temperature and pressure are little, acid gas condensation is caused is the best, cold end corrosion serious, service life
Short, manufacture that operating cost is high and the drawback such as application limitation is bigger, fin tube structure and be staggered in arrangement reality
Having showed the heat exchange property being conducive to improving cryogenic heat exchanger, low-temperature zone uses ND steel matter and height
Temperature section uses classification water supply modes to be conducive to improving tube bank cold end corrosion problem, is favorably improved overall work
Make stability, meet environmental protection, power conservation requirement and guarantee the object of the invention of heat exchanger safe and stable operation,
Thus, hence it is evident that there is rational in infrastructure and science, reliable operation and stable and energy-conservation, have the strongest practicality
Property and considerable market application foreground.
Accompanying drawing explanation
Fig. 1 is the inside front view of a kind of new type low temperature waste heat recovery heat exchanger of the present invention；
Fig. 2 is the right pseudosection of a kind of new type low temperature waste heat recovery heat exchanger of the present invention；
Fig. 3 is the profile of the adpting flange of a kind of new type low temperature waste heat recovery heat exchanger of the present invention；
In figure: 1. casing, 2. finned tube, 3. light pipe, 4. medium main entrance, 5. medium general export, 6.
Cigarette temperature measuring point one, 7. cigarette temperature measuring point two, 8. cigarette temperature measuring point three, 9. cigarette temperature measuring point four, 10. cigarette temperature measuring point five,
11. temperature points one, 12. temperature points two, 13. temperature points three, 14. flow measuring points one, 15. flows are surveyed
Point two, 16. smoke inlets, 17. exhanst gas outlets, 18. adpting flanges, 19. bolts hole, 20. horizontal fins are curved
Pipe, 21. oblique fin bend pipes, 22. horizon light bend pipes, 23. skew ray bend pipes.
Detailed description of the invention
It is clearly understood to make present disclosure be easier to, below according to specific embodiment and combine attached
Figure, the present invention is further detailed explanation.
As Figure 1-3, a kind of coal-burning boiler waste heat recovery heat exchanger, including casing 1, and it is arranged on case
The finned tube 2 of body 1 inner upper end, and it is arranged on the light pipe 3 below finned tube 2, the outside of described casing 1
It is provided with medium main entrance 4 and medium general export 5, the medium inlet of described finned tube 2 and the medium of light pipe 3
Entrance is connected with medium main entrance 4 respectively, the media outlet of described fin 2 pipe and the media outlet of light pipe 3
It is connected with medium general export 5 respectively, in described casing 1, is provided with cigarette temperature measuring point, described finned tube 2, light pipe
3 and medium main entrance 4 in be respectively arranged with medium temperature measuring point, described finned tube 2, light pipe 3 and medium are total
Being respectively arranged with rate-of flow measuring point in entrance 4, the material of described finned tube 2 is carbon steel, described light pipe 3
Material be ND steel.
In order to the temperature of the flue gas of each position in accurately measuring heat exchanger, described cigarette temperature measuring point is from upper
Include being arranged on the cigarette temperature measuring point 1 at tank inlet under to, be arranged on the cigarette temperature measuring point two of finned tube center
7, it is arranged on the cigarette temperature measuring point 38 of finned tube and light pipe separation, is arranged on the cigarette temperature measuring point of light pipe center
49 and be arranged on the cigarette temperature measuring point 5 10 at tank outlet.
In order to detection medium enters the temperature before heat exchanger, described medium temperature measuring point includes being arranged on
The temperature point 1 of medium main entrance 4, it is arranged on the temperature point 2 12 at finned tube media outlet and sets
Put the temperature point 3 13 at light pipe media outlet.
In order to detection medium is passed through the changes in flow rate of heat exchanger, described rate-of flow measuring point includes being arranged on
Flow measuring point at finned tube medium inlet 1 and be arranged on the flow measuring point 2 15 at light pipe medium inlet.
In order to realize temperature and the detection of rate-of flow everywhere in heat exchanger, described cigarette temperature measuring point and medium temperature
The measurement device of measuring point is respectively thermocouple, and the measurement device of described rate-of flow measuring point is effusion meter.
Passing in and out heat exchanger for the ease of flue gas, described tank inlet is provided with smoke inlet 16, and described casing goes out
Mouth is provided with exhanst gas outlet 17.
For the ease of being connected in flue by heat exchanger, described smoke inlet 16 and exhanst gas outlet 17 set respectively
It is equipped with adpting flange 18, described adpting flange 18 is evenly arranged with multiple bolt hole 19.
In order to realize subregion heat exchange and classification feedwater, described casing 1 is internal is divided into high temperature section and low-temperature zone, institute
Stating finned tube 2 and be arranged on high temperature section, described light pipe 3 is arranged on low-temperature zone.
In order to increase level of disruption and the heat exchange area of flue gas, described finned tube 2 includes that horizontal fin is curved respectively
Pipe 20 and oblique fin bend pipe 21, described light pipe 3 includes horizon light bend pipe 22 and skew ray bend pipe 23, institute respectively
Stating horizontal fin bend pipe 20 and oblique fin bend pipe 21 for being staggered in arrangement, described horizon light bend pipe 22 and skew ray are curved
Pipe 23 is for being staggered in arrangement.
Heat exchanger uses bolt to be vertically fixed on flue by the adpting flange 18 at two ends, whole flue gas
Media for heat exchange flow process is: low-temperature flue gas enters in the casing 1 of heat exchanger by smoke inlet 16, successively
Heat exchange is carried out with medium in pipe, the flue gas after heat-exchange temperature reduces through finned tube 2 and light pipe 3
Being disposed to next technological process by exhanst gas outlet 17, so far, low-temperature flue gas passes through low-temperature heat exchange
A part of waste heat recovery in flue gas is recycled by the heat-absorbing action of device.
When cryogenic heat exchanger runs, in heat exchanger, fume side is provided with five cigarette temperature measuring points, is respectively arranged
Cigarette temperature measuring point 1 at tank inlet, cigarette temperature measuring point 27, finned tube and the light of finned tube center
Cigarette at the cigarette temperature measuring point 38 of pipe separation, the cigarette temperature measuring point 49 of light pipe center and tank outlet
Temperature 5 10 5 temperature points of measuring point, in pipe, side medium is provided with three medium temperature measuring points, respectively cloth
Put the temperature point 1 at medium main entrance 4, the temperature point 2 12 at finned tube media outlet,
3 13 3 temperature points of temperature point at light pipe media outlet；And the upstream of smoke inlet 16
Arrange a flue gas flow measuring point, and be arranged in the flow measuring point 1 at finned tube medium entrance
With 2 15 two the flow measuring points of flow measuring point at light pipe medium entrance.
Change owing to finned tube 2 uses finned carbon steel tubes and staggered bank two ways to carry out strengthening
Heat, by changing the flow measuring point 1 at finned tube medium entrance and the flow at light pipe medium entrance
The value of 2 15 two flow measuring points of measuring point thus regulation exhaust gas temperature and tube wall temperature neatly, and low
Warm area uses excellent resistant to sulfur sour ND steel making light pipe 3 to restrain, it is achieved the purpose of low-temperature corrosion protection.
Compared with prior art, due to: 1, high temperature section have employed finned tube cast and is staggered in arrangement, and has
It is beneficial to strengthening flue gas level of disruption, increases heat exchange area, be also beneficial to reduce heat exchange equipment and take sky
Between, thus increase the coefficient of heat transfer, use carbon steel material can save certain manufacturing cost, be conducive to
Promoting the use of of cryogenic heat exchanger；2, low-temperature zone uses light pipe, can reduce heat exchanger resistance and improvement
Tube bank dust stratification situation, uses to be staggered in arrangement and can strengthen flue gas level of disruption, and employing ND steel matter can
Effectively to improve tube bank low temperature acid dew piont corrosion, be conducive to reclaiming more lower temperature as much as possible
Low temperature exhaust heat, expands the range of application of cryogenic heat exchanger；3, high and low temperature section uses the side of classification feedwater
Formula, and it is provided with multiple cigarette temperature measuring point, medium temperature measuring point and rate-of flow measuring point, be conducive to spirit
The confluent of regulation high and low temperature section of living and feedwater ratio, thus efficiently control tube wall temperature, reach
Flexible exhaust gas temperature and the purpose of effective pre-anti-low-temperature corrosion, thus cryogenic heat exchanger can be made to exist
Low-temperature flue gas remains to run safely and efficiently, extend the service life of cryogenic heat exchanger, decrease
Cryogenic heat exchanger maintenance replacement cost.In sum, coal-burning boiler waste heat recovery heat exchanger of the present invention
Effectively overcome in prior art owing to low-temperature flue gas heat transfer temperature and pressure are little, acid gas condensation is caused
Heat exchange property the best, cold end corrosion is serious, service life is short, the high and application office that manufactures operating cost
The sex-limited drawback such as bigger, fin tube structure and be staggered in arrangement to achieve and beneficially improve cryogenic heat exchanger
Heat exchange property, low-temperature zone uses ND steel matter and high/low temperature section to use classification water supply modes to be conducive to
Improve tube bank cold end corrosion problem, be favorably improved overall work stability, meet environmental protection, energy-conservation want
Summation guarantees the object of the invention of heat exchanger safe and stable operation, thus, hence it is evident that have rational in infrastructure and
Science, reliable operation and stable and energy-conservation, have the strongest practicality and considerable market application foreground.
Particular embodiments described above, to present invention solves the technical problem that, technical scheme and beneficial effect
Further described, be it should be understood that the foregoing is only the present invention specific embodiment and
, be not limited to the present invention, all within the spirit and principles in the present invention, any amendment of being made,
Equivalent, improvement etc., should be included within the scope of the present invention.
Claims (9)
1. a coal-burning boiler waste heat recovery heat exchanger, it is characterised in that: include casing, and be arranged on case
The finned tube of body inner upper end, and it is arranged on the light pipe below finned tube, the outside of described casing is provided with Jie
Matter main entrance and medium general export, the medium inlet of described finned tube and the medium inlet of light pipe respectively with medium
Main entrance is connected, and the media outlet of described finned tube is connected with medium general export respectively with the media outlet of light pipe,
It is provided with cigarette temperature measuring point in described casing, in described finned tube, light pipe and medium main entrance, is respectively arranged with Jie
Matter temperature point, is respectively arranged with rate-of flow measuring point, institute in described finned tube, light pipe and medium main entrance
The material stating finned tube is carbon steel, and the material of described light pipe is ND steel.
A kind of coal-burning boiler waste heat recovery heat exchanger the most according to claim 1, it is characterised in that:
Described cigarette temperature measuring point includes being arranged on the cigarette temperature measuring point one at tank inlet from top to bottom, is arranged in finned tube
Cigarette temperature measuring point two at the heart, it is arranged on the cigarette temperature measuring point three of finned tube and light pipe separation, is arranged in light pipe
Cigarette temperature measuring point at the heart four and be arranged on the cigarette temperature measuring point five at tank outlet.
A kind of coal-burning boiler waste heat recovery heat exchanger the most according to claim 1, it is characterised in that:
Described medium temperature measuring point includes being arranged on the temperature point one of medium main entrance, is arranged on finned tube medium and goes out
Temperature point at Kou two and be arranged on the temperature point three at light pipe media outlet.
A kind of coal-burning boiler waste heat recovery heat exchanger the most according to claim 1, it is characterised in that:
Described rate-of flow measuring point includes the flow measuring point one being arranged at finned tube medium inlet and is arranged on light pipe Jie
The flow measuring point two of matter porch.
A kind of coal-burning boiler waste heat recovery heat exchanger the most according to claim 1, it is characterised in that:
The measurement device of described cigarette temperature measuring point and medium temperature measuring point is respectively thermocouple, described rate-of flow measuring point
Measurement device is effusion meter.
A kind of coal-burning boiler waste heat recovery heat exchanger the most according to claim 1, it is characterised in that:
Described tank inlet is provided with smoke inlet, and described tank outlet is provided with exhanst gas outlet.
A kind of coal-burning boiler waste heat recovery heat exchanger the most according to claim 1, it is characterised in that:
Described smoke inlet and exhanst gas outlet are respectively arranged with adpting flange, described adpting flange are evenly arranged with many
Individual bolt hole.
A kind of coal-burning boiler waste heat recovery heat exchanger the most according to claim 1, it is characterised in that:
Described box house is divided into high temperature section and low-temperature zone, described finned tube to be arranged on high temperature section, and described light pipe is arranged
In low-temperature zone.
A kind of coal-burning boiler waste heat recovery heat exchanger the most according to claim 1, it is characterised in that:
Described finned tube includes horizontal fin bend pipe and oblique fin bend pipe respectively, and described light pipe includes that horizon light is curved respectively
Pipe and skew ray bend pipe, described horizontal fin bend pipe and oblique fin bend pipe for being staggered in arrangement, described horizon light bend pipe
With skew ray bend pipe for being staggered in arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610318395.9A CN106016238B (en) | 2016-05-12 | 2016-05-12 | A kind of coal-burning boiler waste heat recovery heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610318395.9A CN106016238B (en) | 2016-05-12 | 2016-05-12 | A kind of coal-burning boiler waste heat recovery heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106016238A true CN106016238A (en) | 2016-10-12 |
| CN106016238B CN106016238B (en) | 2018-06-19 |
Family
ID=57099638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610318395.9A Active CN106016238B (en) | 2016-05-12 | 2016-05-12 | A kind of coal-burning boiler waste heat recovery heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106016238B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860012A (en) * | 2017-12-08 | 2018-03-30 | 无锡博勒能源科技有限公司 | A kind of processing VOCs RTO waste heat organic heat carrier furnaces and temperature control method |
| CN109099732A (en) * | 2018-08-03 | 2018-12-28 | 重庆澳来思节能科技有限公司 | Smoke heat replacing device |
| CN111220002A (en) * | 2018-11-26 | 2020-06-02 | 宁波方太厨具有限公司 | Heat exchanger and water heater comprising same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110289905A1 (en) * | 2010-06-01 | 2011-12-01 | Delphi Technologies, Inc. | Exhaust gas heat recovery heat exchanger |
| EP2485002A2 (en) * | 2011-02-08 | 2012-08-08 | Behr GmbH & Co. KG | Heat exchanger |
| CN203869545U (en) * | 2014-06-05 | 2014-10-08 | 上海铂胜节能科技有限公司 | Intelligent sulfur-corrosion-prevention smoke heat exchanger |
| CN204026646U (en) * | 2014-08-13 | 2014-12-17 | 上海能辉电力科技有限公司 | A kind of low temperature boiler smoke heat recovery cooling arrangement |
| CN205014330U (en) * | 2015-07-31 | 2016-02-03 | 辽宁赛沃斯能效科技股份有限公司 | Modular economizer residual heat from flue gas device and residual heat from flue gas system |
-
2016
- 2016-05-12 CN CN201610318395.9A patent/CN106016238B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110289905A1 (en) * | 2010-06-01 | 2011-12-01 | Delphi Technologies, Inc. | Exhaust gas heat recovery heat exchanger |
| EP2485002A2 (en) * | 2011-02-08 | 2012-08-08 | Behr GmbH & Co. KG | Heat exchanger |
| CN203869545U (en) * | 2014-06-05 | 2014-10-08 | 上海铂胜节能科技有限公司 | Intelligent sulfur-corrosion-prevention smoke heat exchanger |
| CN204026646U (en) * | 2014-08-13 | 2014-12-17 | 上海能辉电力科技有限公司 | A kind of low temperature boiler smoke heat recovery cooling arrangement |
| CN205014330U (en) * | 2015-07-31 | 2016-02-03 | 辽宁赛沃斯能效科技股份有限公司 | Modular economizer residual heat from flue gas device and residual heat from flue gas system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860012A (en) * | 2017-12-08 | 2018-03-30 | 无锡博勒能源科技有限公司 | A kind of processing VOCs RTO waste heat organic heat carrier furnaces and temperature control method |
| CN109099732A (en) * | 2018-08-03 | 2018-12-28 | 重庆澳来思节能科技有限公司 | Smoke heat replacing device |
| CN111220002A (en) * | 2018-11-26 | 2020-06-02 | 宁波方太厨具有限公司 | Heat exchanger and water heater comprising same |
| CN111220002B (en) * | 2018-11-26 | 2021-11-12 | 宁波方太厨具有限公司 | Heat exchanger and water heater comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106016238B (en) | 2018-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205014330U (en) | Modular economizer residual heat from flue gas device and residual heat from flue gas system | |
| CN105737182B (en) | Flue gas deep cooler | |
| CN201028471Y (en) | Low-temperature waste-gas exhaust-heat boiler of sintering cooler | |
| CN205878964U (en) | Heat exchanger for waste heat recovery | |
| CN104653241B (en) | A kind of indirect air cooling unit waste-heat recovery device | |
| CN106016238A (en) | Heat exchanger for waste heat recovery of coal-fired boiler | |
| CN105042622A (en) | Air preheater based one air-water heat exchange | |
| CN206563501U (en) | A kind of rotary kiln cement clinker production line waste heat recycling system | |
| CN106016240A (en) | Combined coal economizer of small coal-fired boiler | |
| CN201593803U (en) | Flue gas low temperature corrosion resistant efficient air preheater | |
| CN201513909U (en) | Boiler fume deep cooler | |
| CN101706109A (en) | Embedded deep cooler for boiler flue gas | |
| CN205690425U (en) | A kind of residual heat from boiler fume Multi-class propagation combines condensation water heating supply air system | |
| CN102128439B (en) | Assembly type heat-pipe steam generator of kiln furnace | |
| CN203628620U (en) | Reinforced composite phase change heat exchanger | |
| CN104235825A (en) | Boiler flue gas waste heat recycling system | |
| CN203836943U (en) | Low-temperature coal economizer of 300MW circulating fluidized bed boiler | |
| CN104653242B (en) | A kind of Direct Air-cooled Unit waste-heat recovery device | |
| CN102767820B (en) | Smoke waste heat utilizing system at tail of power station boiler applicable to operation in variable working condition | |
| CN205561606U (en) | Heat exchange device for recycling flue gas waste heat | |
| CN104359223B (en) | System and method using exhaust steam in steam turbine as steam air heater of utility boiler thermal medium | |
| CN104089295A (en) | Flue gas waste heat recycling device | |
| CN211260758U (en) | System for moving high-level economizer of tower furnace to tail flue and improving energy level utilization arrangement | |
| CN104315872B (en) | Boiler flue gas waste heat recycling and energy-saving device with boiler flue gas dust removing effect | |
| CN209726896U (en) | A kind of full season flue gas disappears bletilla fume afterheat depth recovery system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 213000 Hongkou Road, Liyang City, Changzhou, Jiangsu Province, No. 333 Applicant after: Suhua Construction Group Co., Ltd. Address before: 213300 51 Qingxi Road, Liyang City, Liyang, Changzhou, Jiangsu Applicant before: Jiangsu Huaneng Construction Engineering Group Co. Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |