CN107013900A - It is a kind of with the boiler air preheating device and its pre-heating mean that condensate is medium - Google Patents
It is a kind of with the boiler air preheating device and its pre-heating mean that condensate is medium Download PDFInfo
- Publication number
- CN107013900A CN107013900A CN201710361940.7A CN201710361940A CN107013900A CN 107013900 A CN107013900 A CN 107013900A CN 201710361940 A CN201710361940 A CN 201710361940A CN 107013900 A CN107013900 A CN 107013900A
- Authority
- CN
- China
- Prior art keywords
- preheater
- condensate
- boiler
- air
- ballistic
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 239000003546 flue gas Substances 0.000 description 7
- 239000002028 Biomass Substances 0.000 description 2
- 239000006244 Medium Thermal Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps
- F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler
-
- 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
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The invention provides a kind of with the boiler air preheating device that condensate is medium, afterbody is provided with preheater in preheater in gas cooler, a wind furnace and Quadratic ballistic in boiler, and the outer air preheater of stove includes the outer preheater of a wind furnace being arranged in parallel and the outer preheater of Quadratic ballistic；The outer air preheater of condensate pump, low-pressure heater, stove, gas cooler, oxygen-eliminating device, feed pump, high-pressure heater pass sequentially through pipeline with boiler and are connected, and cold wind respectively enters the hot blast that the outer preheater of a wind furnace and the outer preheater of Quadratic ballistic formed and respectively enters in a wind furnace that preheater enters back into boiler in preheater and Quadratic ballistic.It is of the present invention with the boiler air preheating device that condensate is medium, using heat stepwise technique outside air furnace and in stove, that is, solve air preheater low-temperature corrosion in stove, also greatly save cost.Present invention also offers the pre-heating mean with the boiler air preheating device that condensate is medium.
Description
Technical field
The present invention relates to heat exchanger technical field, more particularly, to a kind of pre- with the boiler air that condensate is medium
Thermal and its pre-heating mean.
Background technology
Traditional boiler feedwater mode of heating removes to send into oxygen-eliminating device deoxygenation after condensate is heated by low-pressure heater
Oxygen water sends into boiler after being heated after being pressurizeed through feed pump by high-pressure heater, primary air fan and overfire air fan are direct by cold air
Feeding is arranged on the air preheater of boiler tail, uses flue gas air, and hot-air then is sent into boiler furnace, helps stove
Fuel fully burns.
The outer air preheater of biomass boiler stove as shown in Figure 1 used at present, including air preheater outside stove, stove
Outer air preheater includes afterbody in the outer preheater 3 ' of a wind furnace being arranged in parallel and the outer preheater 4 ' of Quadratic ballistic, boiler 1 '
Provided with gas cooler 11 ', condensate pump 7 ', low-pressure heater 5 ', oxygen-eliminating device 2 ', feed pump 8, high-pressure heater 6 ', outside stove
Air preheater passes sequentially through pipeline with gas cooler 11 ' and is connected, and 30 DEG C of cold wind are entered outside a wind furnace by pipeline respectively
Preheater 3 ' and the outer 190 DEG C of hot blasts of formation of preheater 4 ' of Quadratic ballistic enter boiler 1 ' by pipeline, and the device is extruded using high
The HTHP of mouth feeds water as medium (15MPa, 220 DEG C), and advantage is that feed temperature is high, and once air can be heated to make
With temperature (190 DEG C), but have the disadvantage that feed pressure is high, reach 15MPa, using heater tube wall thickness, considerably increase engineering and make
Valency.
Also have at present in addition using boiler air preheating device as shown in Figure 2, the outer air preheater of stove is set including parallel connection
The outer preheater 3 of a wind furnace putting " and the outer preheater 4 of Quadratic ballistic ", boiler 1 " interior afterbody is provided with gas cooler 11 ", once
Preheater 12 " and preheater 13 in Quadratic ballistic " in wind furnace.Condensate pump 7 ", low-pressure heater 5 ", oxygen-eliminating device 2 ", feed pump
8 ", high-pressure heater 6 " and boiler 1 " passes sequentially through pipeline to be connected, and 30 DEG C of cold wind enter pre- outside a wind furnace by pipeline respectively
Hot device 3 " and the outer preheater 4 of Quadratic ballistic " forms 80 DEG C of hot blasts and respectively enters preheater 13 in a wind furnace by pipeline " and two
Preheater 12 " boiler 1 is entered by pipeline again " in secondary wind furnace.One end of gas cooler 11 " is pre- by pipeline and air outside stove
One end of hot device is connected, the other end of the outer air preheater of stove by pipeline successively with circulating pump 9 " and gas cooler 11 "
Away from circulating pump 9 " the other end be connected, form the autonomous closure system of circulation, it is pre- that make-up water enters air outside stove by pipeline
Hot device and gas cooler 11 "；The device uses inner flue gas of the stove cooler 11 " and the autonomous closure system of the outer air preheater of stove
System, it has the disadvantage to set the special circulatory system, is typically also, as medium, to be limited by 100 DEG C of boiling points of water at atmospheric pressure with water, needs
Closed system is set, and dielectric loss is not easy supplement, invests also larger.
The content of the invention
For above-mentioned technical problem, preheated it is an object of the invention to provide a kind of with the boiler air that condensate is medium
Device, using outside air furnace and stove in heat stepwise technique, that is, solve air preheater low-temperature corrosion in stove, also substantially reduce metal
Weight, investment reduction.
The technical solution adopted by the present invention is：
It is a kind of with the boiler air preheating device that condensate is medium, including air preheater outside boiler, oxygen-eliminating device, stove,
Afterbody is provided with gas cooler, a wind furnace in low-pressure heater, high-pressure heater, condensate pump and feed pump, the boiler
Preheater in interior preheater and Quadratic ballistic, the outer air preheater of the stove include the outer preheater of a wind furnace being arranged in parallel and
The outer preheater of Quadratic ballistic；The outer air preheater of the condensate pump, the low-pressure heater, the stove, flue gas cooling
Device, the oxygen-eliminating device, the feed pump, the high-pressure heater pass sequentially through pipeline with the boiler and are connected, and cold wind leads to respectively
Piping enters the outer preheater of a wind furnace and the hot blast of the outer preheater formation of the Quadratic ballistic is entered respectively by pipeline
Enter in a wind furnace that preheater enters the boiler by pipeline again in preheater and the Quadratic ballistic.
It is of the present invention with the boiler air preheating device that condensate is medium, wherein, preheated outside a wind furnace
Device and the outer preheater of the Quadratic ballistic are using compound aluminium fin steel pipe.
It is of the present invention with the boiler air preheating device that condensate is medium, wherein, preheated in a wind furnace
Preheater uses H type fin gas coolers in device and the Quadratic ballistic.
Pre-heating mean of the present invention with the boiler air preheating device that condensate is medium, comprises the following steps：
(a) pressure is heated for 2MPa condensate using the low-pressure heater, and sent into by pipeline outside the stove
Air preheater, the gas cooler that the condensate after cooling sends into boiler tail by pipeline is reheated to described low
The oxygen-eliminating device is sent into after the leaving water temperature for pressing heater；
(b) cold wind leads to respectively by pipeline into preheater outside preheater outside a wind furnace and the Quadratic ballistic
The outer air preheater preheated air of the stove is crossed, the hot blast after preheating is respectively fed to preheater and institute in a wind furnace again
State preheater in Quadratic ballistic to heat and send into the boiler, make pre- in preheater and the Quadratic ballistic in a wind furnace
The cold junction temperature of hot device brings up to more than 100 DEG C；
(c) entered in step (a) by the condensate of the oxygen-eliminating device by the feed pump and the high-pressure heater
The boiler.
Pre-heating mean of the present invention with the boiler air preheating device that condensate is medium, wherein, in step (a)
The condensate will be heated to 120~130 DEG C using the low-pressure heater；By described after air preheater outside the stove
The leaving water temperature of condensate is 95~105 DEG C.
Pre-heating mean of the present invention with the boiler air preheating device that condensate is medium, wherein, in step (a)
The condensate will be heated to 122 DEG C using the low-pressure heater；Condensed by described after air preheater outside the stove
The leaving water temperature of water is 101 DEG C.
Beneficial effect of the present invention：
It is of the present invention with the boiler air preheating device that condensate is medium, the condensation come out using low-pressure heater
Hydro-thermal water, by being arranged on air preheater preheated air outside boiler exterior stove, the air after preheating is re-fed into stove and preheated
Device is heated, and the condensate feeding boiler tail flue gas cooler after reduction temperature is sent to oxygen-eliminating device after reheating, using air
Stove is outer and stove in heat stepwise technique, that is, solve air preheater low-temperature corrosion in stove, also greatly save cost.
It is of the present invention with the boiler air preheating device that condensate is medium, the outer preheater of a wind furnace and Secondary Air
The outer preheater of stove effectively enhances the heat transfer effect of air and water using compound aluminium fin steel pipe.
It is of the present invention with the boiler air preheating device that condensate is medium, preheater and Secondary Air in a wind furnace
Preheater uses H type fin gas coolers in stove, i.e. increase heat exchange avoids low-temperature corrosion again.
Pre-heating mean of the present invention with the boiler air preheating device that condensate is medium, after cold air is preheated
Preheater in stove is re-fed into, preheater cold junction temperature in stove is brought up to more than 100 DEG C, higher than flue gas acid dew point, is prevented effectively from
The cold end corrosion of preheater in stove；In addition, the condensate after reduction temperature is admitted to boiler tail flue gas cooler, on the one hand
Cooling smoke evacuation, reduction exhaust gas temperature improves boiler efficiency, and another aspect condensate is heated again original low-pressure heater and gone out
Oxygen-eliminating device is sent into after mouth temperature, the condensing water temperature into oxygen-eliminating device is reduced, oxygen-eliminating device heating steam consumption, reduction hair can be increased
Electrical efficiency, so condensate is again heated to low-pressure heater leaving water temperature by gas cooler.
By profit in pre-heating mean of the present invention with the boiler air preheating device that condensate is medium, step (a)
The condensate is heated to 120~130 DEG C with the low-pressure heater, temperature is too low not enough with being used for heating air, temperature
Too high meeting carburation by evaporation；Leaving water temperature by the condensate after air preheater outside the stove is 95~105 DEG C, can be by sky
Gas is heated to more than 90 DEG C, and feeding boiler can avoid preheater cold end corrosion in stove.
Brief description of the drawings
Fig. 1 is the structural representation of the outer air preheater device of biomass boiler stove described in prior art；
Fig. 2 is the structural representation of boiler air preheating device described in prior art；
Fig. 3 is the structural representation of the present invention with the boiler air preheating device that condensate is medium.
Below in conjunction with specific embodiments and the drawings, the invention will be further described.
Embodiment
As shown in figure 3, it is a kind of with the boiler air preheating device that condensate is medium, including outside boiler 1, oxygen-eliminating device 2, stove
Afterbody is cooled down provided with flue gas in air preheater, low-pressure heater 5, high-pressure heater 6, condensate pump 7 and feed pump 8, boiler 1
Preheater 12 in preheater 13 and Quadratic ballistic in device 11, a wind furnace, the outer air preheater of the stove includes what is be arranged in parallel
The outer preheater 3 of wind furnace and the outer preheater 4 of Quadratic ballistic.The outer air preheat of condensate pump 7, low-pressure heater 5, the stove
Device, gas cooler 11, oxygen-eliminating device 2, feed pump 8, high-pressure heater 6 pass sequentially through pipeline with boiler 1 and are connected, and cold wind leads to respectively
Piping enters the outer preheater 3 of a wind furnace and the hot blast of the outer formation of preheater 4 of Quadratic ballistic is respectively enterd once by pipeline
Preheater 12 enters boiler 1 by pipeline again in preheater 13 and Quadratic ballistic in wind furnace；It is pre- outside a wind furnace in the present embodiment
The outer preheater 4 of hot device 3 and Quadratic ballistic is pre- in preheater 13 and Quadratic ballistic in a wind furnace using compound aluminium fin steel pipe
Hot device 12 uses H type fin gas coolers.
The pre-heating mean with the boiler air preheating device that condensate is medium described in the present embodiment, including following step
Suddenly：
(a) it is 2MPa by pressure using low-pressure heater 5, flow is heated to 122 DEG C for 60t/h condensate, and passes through
Pipeline sends into the outer air preheater of the stove, and the condensate after cooling sends into the weight of gas cooler 11 of boiler tail by pipeline
It is new to be heated to after the leaving water temperature of low-pressure heater 5 send into oxygen-eliminating device 2；Gone out by condensate after air preheater outside the stove
Coolant-temperature gage is 101 DEG C；
(b) 30 DEG C of cold wind pass through respectively by pipeline into preheater 4 outside preheater 3 outside a wind furnace and Quadratic ballistic
96 DEG C of hot blasts after preheating are respectively fed to preheater 13 and two in a wind furnace by the outer air preheater preheated air of the stove again
Preheater 12 heats and sends into boiler 1 in secondary wind furnace, makes in a wind furnace the cold of preheater 12 in preheater 13 and Quadratic ballistic
End temperature brings up to more than 100 DEG C；
(c) boiler 1 is entered by feed pump 8 and high-pressure heater 6 by the condensate of oxygen-eliminating device 2 in step (a).
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
In various modifications and improvement that case is made, the protection domain that claims of the present invention determination all should be fallen into.
Claims (6)
1. it is a kind of with the boiler air preheating device that condensate is medium, it is characterised in that：Including boiler (1), oxygen-eliminating device (2),
Stove outer air preheater, low-pressure heater (5), high-pressure heater (6), condensate pump (7) and feed pump (8), the boiler (1)
Interior afterbody is provided with gas cooler (11), in a wind furnace in preheater (13) and Quadratic ballistic outside preheater (12), the stove
Air preheater includes the outer preheater (3) of a wind furnace being arranged in parallel and the outer preheater (4) of Quadratic ballistic；The condensate pump
(7), the low-pressure heater (5), the stove outer air preheater, the gas cooler (11), the oxygen-eliminating device (2), institute
State feed pump (8), the high-pressure heater (6) and pass sequentially through pipeline with the boiler (1) and be connected, cold wind is entered by pipeline respectively
The hot blast for entering the outer preheater (3) of a wind furnace and outer preheater (4) formation of the Quadratic ballistic is respectively enterd by pipeline
Preheater (12) enters the boiler (1) by pipeline again in preheater (13) and the Quadratic ballistic in wind furnace.
2. it is according to claim 1 with the boiler air preheating device that condensate is medium, it is characterised in that：It is described once
The outer preheater (3) of wind furnace and the outer preheater (4) of the Quadratic ballistic are using compound aluminium fin steel pipe.
3. it is according to claim 1 with the boiler air preheating device that condensate is medium, it is characterised in that：It is described once
Preheater (12) uses H type fin gas coolers in preheater (13) and the Quadratic ballistic in wind furnace.
4. the pre-heating mean with the boiler air preheating device that condensate is medium described in claim 1-3 any one, its
It is characterised by：Comprise the following steps：
(a) pressure is heated for 2MPa condensate using the low-pressure heater (5), and the stove outer space is sent into by pipeline
Air preheater, the gas cooler (11) that the condensate after cooling sends into boiler tail by pipeline is reheated to described
The oxygen-eliminating device (2) is sent into after the leaving water temperature of low-pressure heater (5)；
(b) cold wind enters preheater (3) and the outer preheater (4) of the Quadratic ballistic outside a wind furnace by pipeline respectively,
By air preheater preheated air outside the stove, the hot blast after preheating is respectively fed to preheater in a wind furnace again
(13) and in the Quadratic ballistic preheater (12) heats and sends into the boiler (1), makes preheater in a wind furnace
(13) and in the Quadratic ballistic cold junction temperature of preheater (12) brings up to more than 100 DEG C；
(c) feed pump (8) and the high-pressure heater (6) are passed through by the condensate of the oxygen-eliminating device (2) in step (a)
Into the boiler (1).
5. the pre-heating mean according to claim 4 with the boiler air preheating device that condensate is medium, its feature exists
In：The condensate will be heated to 120~130 DEG C using the low-pressure heater (5) in step (a)；Outside by the stove
The leaving water temperature of the condensate is 95~105 DEG C after air preheater.
6. the pre-heating mean with the boiler air preheating device that condensate is medium according to claim 4 or 5, its feature
It is：The condensate will be heated to 122 DEG C using the low-pressure heater in step (a)；It is pre- by air outside the stove
The leaving water temperature of the condensate is 101 DEG C after hot device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710361940.7A CN107013900A (en) | 2017-05-22 | 2017-05-22 | It is a kind of with the boiler air preheating device and its pre-heating mean that condensate is medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710361940.7A CN107013900A (en) | 2017-05-22 | 2017-05-22 | It is a kind of with the boiler air preheating device and its pre-heating mean that condensate is medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107013900A true CN107013900A (en) | 2017-08-04 |
Family
ID=59449941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710361940.7A Pending CN107013900A (en) | 2017-05-22 | 2017-05-22 | It is a kind of with the boiler air preheating device and its pre-heating mean that condensate is medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107013900A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139133A (en) * | 2018-10-18 | 2019-01-04 | 国网节能服务有限公司 | A kind of electricity generation system of new type solar energy auxiliary biomass energy |
| CN110319608A (en) * | 2019-07-17 | 2019-10-11 | 哈尔滨锅炉厂有限责任公司 | Utilize the system of tower type solar fused salt collection hot working fluid heating coal-fired boiler hot primary wind |
| CN110319607A (en) * | 2019-07-17 | 2019-10-11 | 哈尔滨锅炉厂有限责任公司 | Utilize the system of Fresnel solar molten salt collection hot working fluid heating coal-fired boiler hot primary wind |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1619246A (en) * | 2004-10-28 | 2005-05-25 | 龙基电力有限公司 | Method of avoiding low temperature corrosion of boiler air preheater |
| CN203375434U (en) * | 2013-06-09 | 2014-01-01 | 中船重工（上海）新能源有限公司 | Device for preventing heating surface on flue gas side at tail of boiler from being corroded at low temperature |
| CN203375432U (en) * | 2013-06-09 | 2014-01-01 | 中船重工（上海）新能源有限公司 | Protective device of low-temperature heating surface at tail of boiler |
| CN203375426U (en) * | 2013-06-09 | 2014-01-01 | 中船重工（上海）新能源有限公司 | Boiler tail structure capable of preventing boiler low-temperature air preheater from low-temperature corrosion |
| CN106322357A (en) * | 2015-11-11 | 2017-01-11 | 上海理工大学 | Thermal power generation system based on boiler tail bypass flue |
| CN206771317U (en) * | 2017-05-22 | 2017-12-19 | 恩极而（上海）能源科技有限公司 | It is a kind of with the boiler air preheating device that condensate is medium |
-
2017
- 2017-05-22 CN CN201710361940.7A patent/CN107013900A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1619246A (en) * | 2004-10-28 | 2005-05-25 | 龙基电力有限公司 | Method of avoiding low temperature corrosion of boiler air preheater |
| CN203375434U (en) * | 2013-06-09 | 2014-01-01 | 中船重工（上海）新能源有限公司 | Device for preventing heating surface on flue gas side at tail of boiler from being corroded at low temperature |
| CN203375432U (en) * | 2013-06-09 | 2014-01-01 | 中船重工（上海）新能源有限公司 | Protective device of low-temperature heating surface at tail of boiler |
| CN203375426U (en) * | 2013-06-09 | 2014-01-01 | 中船重工（上海）新能源有限公司 | Boiler tail structure capable of preventing boiler low-temperature air preheater from low-temperature corrosion |
| CN106322357A (en) * | 2015-11-11 | 2017-01-11 | 上海理工大学 | Thermal power generation system based on boiler tail bypass flue |
| CN206771317U (en) * | 2017-05-22 | 2017-12-19 | 恩极而（上海）能源科技有限公司 | It is a kind of with the boiler air preheating device that condensate is medium |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139133A (en) * | 2018-10-18 | 2019-01-04 | 国网节能服务有限公司 | A kind of electricity generation system of new type solar energy auxiliary biomass energy |
| CN110319608A (en) * | 2019-07-17 | 2019-10-11 | 哈尔滨锅炉厂有限责任公司 | Utilize the system of tower type solar fused salt collection hot working fluid heating coal-fired boiler hot primary wind |
| CN110319607A (en) * | 2019-07-17 | 2019-10-11 | 哈尔滨锅炉厂有限责任公司 | Utilize the system of Fresnel solar molten salt collection hot working fluid heating coal-fired boiler hot primary wind |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106090880A (en) | A kind of machine stove set heat circulation afterheat recycling system | |
| CN202747320U (en) | Air cooling type efficient fuel or gas condensing boiler | |
| CN107013900A (en) | It is a kind of with the boiler air preheating device and its pre-heating mean that condensate is medium | |
| CN102607010A (en) | Composite phase-change heat exchange system | |
| CN104653241B (en) | A kind of indirect air cooling unit waste-heat recovery device | |
| CN108343983A (en) | Eliminate the device of chimney white plume | |
| CN103471084B (en) | Low-pressure hot-water smoke cooling system and method for avoiding low-temperature corrosion of air pre-heater | |
| CN203771380U (en) | Condensation waste heat recovery steam boiler | |
| CN203796339U (en) | Waste heat recovery device of direct air cooling unit | |
| CN206478668U (en) | Eliminate the device of the white plume of chimney | |
| CN205690425U (en) | A kind of residual heat from boiler fume Multi-class propagation combines condensation water heating supply air system | |
| CN206771317U (en) | It is a kind of with the boiler air preheating device that condensate is medium | |
| CN104406186A (en) | Flue gas water recycling system | |
| CN105841177B (en) | The desulphurization denitration clean exhaust system of low temperature waste gas | |
| CN205261526U (en) | Steam power plant's heat supply steam superheating degree of heating boiler overgrate air utilizes system | |
| CN205537156U (en) | Waste heat recovery system of heating furnace | |
| CN206771750U (en) | Two backhaul condensate vacuum heat exchange boilers | |
| CN103438417B (en) | Composite boiler capable of generating steam and hot air | |
| CN205279449U (en) | High -efficient plant specimen | |
| CN107842874A (en) | A kind of primary and secondary air heat distribution regulating system and method | |
| CN201866750U (en) | Condensation-type one-pass fire tube boiler | |
| CN209763499U (en) | air heating device of gas-fired hot water boiler | |
| CN205782834U (en) | A kind of residual heat from boiler fume utilizes combining heating system | |
| CN208154865U (en) | Direct combustion dual effect type lithium bromide absorption type heat pump unit with flue gas heat-exchange unit | |
| CN101021361A (en) | Steam phase transforming heating furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170804 |