CN106197049A - A kind of waste heat recovery system of pipe heater and method - Google Patents
A kind of waste heat recovery system of pipe heater and method Download PDFInfo
- Publication number
- CN106197049A CN106197049A CN201610787304.6A CN201610787304A CN106197049A CN 106197049 A CN106197049 A CN 106197049A CN 201610787304 A CN201610787304 A CN 201610787304A CN 106197049 A CN106197049 A CN 106197049A
- Authority
- CN
- China
- Prior art keywords
- heat
- exchange
- exchange system
- air
- pipe
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
-
- 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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Supply (AREA)
Abstract
The invention provides a kind of waste heat recovery system of pipe heater and method, described system includes flue, one-level heat-exchange system, blower fan and secondary heat exchange system.Heating furnace discharges flue gas from body of heater, is distributed to one-level heat-exchange system by flue, blasts secondary heat exchange system with after air and fuel gas heat exchange through blower fan, then discharge after air and fuel gas heat exchange in the heat exchanger of one-level heat-exchange system.The heat exchange original paper of the one-level heat-exchange system of the present invention is plank frame or the tubular structure of pipe interior band turbulence structure pipe extended surface structure in addition；Secondary heat exchange system heat exchanger uses condensing heat exchanger, heat exchange original paper is to promote that the plank frame of water vapor condensation in flue gas or the interior band turbulence structure pipe of pipe can promote the tubular structure of water vapor condensation extended surface structure in flue gas in addition, produce condensed water and form High efficacy liquid film heat transfer, there is reduction heat transmission equipment investment, reduce the advantages such as floor space.
Description
Technical field
The invention belongs to tubular heater field, particularly to the system and method for a kind of tubular heater waste heat recovery,
A kind of waste heat recovery system of pipe heater being applied to petrochemical industry and method.
Background technology
Tubular heater is the main energy consumption equipment of petrochemical plant, reduces tubular heater exhaust gas temperature, and raising adds
Hot furnace thermal efficiency, reduces fuel consumption, reduces plant energy consumption, has important economic benefit, the weight that Ye Shi enterprise faces at present
Big problem.
At present, heating furnace mainly reclaims the flue gas discharged from heating furnace convection section by combustion air and flue gas heat exchange
Waste heat.In this recovery scheme, owing to exhaust gas volumn is more than air capacity, being affected by heat transfer temperature difference, air exit temp can not
Can exceed that flue gas enters the temperature of air preheater, so, only carry out Mist heat recovering by combustion air, be restricted；Generally combustion
Under the conditions of material gas, flue-gas temperature can only be down to more than 110 DEG C.It addition, some enterprise is in order to reduce exhaust gas temperature, utilize enterprise low
Warm water and low-temperature flue gas heat exchange, although this situation reduces exhaust gas temperature, but the heat taken out is used for producing economic benefit not
Significantly low-temperature water heating, energy-saving effect is the best.To this end, explore a kind of can at utmost reclaim waste heat of flue gas of heating furnace method,
And guarantee that the waste heat reclaimed plays a role most effectively；Fuel can be saved veritably, reduce the operation cost of whole device, to enterprise
Industry is significant.
Summary of the invention
The present invention provides a kind of waste heat recovery system of pipe heater and method, is achieved through the following technical solutions:
First it is a kind of waste heat recovery system of pipe heater, including flue 2, one-level heat-exchange system 3, blower fan 4 and secondary heat exchange
System 5.Wherein the entrance of flue 2 is connected with the outlet of heating furnace 1, the outlet of flue 2 and the smoke inlet of one-level heat-exchange system 3
Being connected, the exhanst gas outlet of one-level heat-exchange system 3 is connected with blower fan 4, and blower fan 4 exports the smoke inlet phase with secondary heat exchange system 5
Even, the exhanst gas outlet of secondary heat exchange system 5 empties or is connected with the pollutant control system in downstream；Medium (fuel gas to be heated
Or air) be connected with the medium heated inlet of secondary heat exchange system 5, the medium heating exit of secondary heat exchange system 5 changes with one-level
The medium heated inlet of hot systems 3 is connected, and the medium heating exit of one-level heat-exchange system 3 is connected with burner 6.
Described one-level heat-exchange system 3 includes at least 1 air-flue gas heat-exchange unit and at least 1 fuel gas-flue gas heat exchange
Device, and two kinds of instruments use paralleling models, the high-temperature flue gas 200 DEG C ~ 450 DEG C for self-heating stove 1 in the future be cooled to 150 DEG C ~
250℃。
Preferably, the heat exchange original paper of above-mentioned air-flue gas heat-exchange unit or the heat exchange original paper of fuel gas-flue gas heat-exchange unit are plate
The tubular structure of band turbulence structure pipe extended surface structure in addition in formula structure or pipe；It is furthermore preferred that above-mentioned fuel gas-flue gas heat-exchange unit
Heat exchange original paper for be resistant to 0.05MPa ~ 0.5MPa operation pressure and 200 DEG C ~ 450 DEG C operation temperature, pressure drop is 0.01 ~ 0.2MPa
Plank frame or pipe in the tubular structure of band turbulence structure pipe in addition extended surface structure.
Described secondary heat exchange system 5 at least includes 1 air-flue gas heat-exchange unit, as fuel gas-flue gas heat-exchange unit, and can
Can also not have to have, if it has, include at least 1, can be 1 or 2.Above-mentioned secondary heat exchange system 5 is used for will
Flue gas from one-level heat-exchange system 3 continues to be cooled to 60 DEG C ~ 140 DEG C, air-flue gas heat-exchange unit that this grade of heat-exchange system uses
For condensing heat exchanger, condensing heat exchanger heat exchange original paper is plank frame or the interior band of pipe that can promote water vapor condensation in flue gas
Turbulence structure pipe can promote the tubular structure of water vapor condensation extended surface structure in flue gas in addition, and material uses preventing corrosion of dew points material
Material, band condensation water collection exhaust system, the lining material that housing uses acid-resistance aqueous corrosion structure or employing to have this function is protected
Protect.
Secondly, the exhaust heat recovering method utilizing this waste heat recovery system of pipe heater to realize is as follows: one or more
The flue gas that heating furnace 1 is discharged from body of heater, is distributed to one-level heat-exchange system 3 by flue 2, at the heat exchanger of one-level heat-exchange system 3
In blast secondary heat exchange system 5 through blower fan 4 after air and fuel gas heat exchange, then with air (or air and fuel gas) heat exchange
Rear discharge, air and fuel gas through preheating are passed through industrial furnace burner by burner 6 again and burn.
Preferably, described air is to blast system by one or more blower fan；
Preferably, described fuel gas be by fuel gas pipe network system pressure enter system, it is also possible to be pressurizeed by blower fan laggard
Enter system.
Waste heat recovery system of pipe heater and method that the present invention provides compared with prior art have the advantage that
(1) one-level heat-exchange system heat exchanger of the present invention uses high temperature resistant, high pressure resistant, low pressure drop heat exchange structure, can meet various
The needs of heat transferring medium operating condition；
(2) secondary heat exchange system heat exchanger of the present invention uses resistance to dew point corrosion, low pressure drop, heat exchange element for can promote water in flue gas
In the plank frame of steam condensation or pipe, band turbulence structure pipe can promote the tubular type of water vapor condensation extended surface structure in flue gas in addition
Structure, produces condensed water and forms High efficacy liquid film heat transfer, make heat transfer coefficient be far longer than bilateral gaseous heat transfer coefficient, reduce heat exchange and set
Standby investment, reduces floor space, it addition, this heat-exchange system band high-efficiency condensation water collects exhaust system, housing uses acid-resistance water
Corrosion structure or employing have the lining material protection of this function, it can be ensured that long-period stable operation.
(3) needing to arrange two-stage heat-exchange system according to flue-gas temperature and heat exchange amount, heat-exchange systems at different levels arrange again parallel connection
Heat exchanger, it can be ensured that with minimum heat exchange area, flue-gas temperature is reduced to less than 80 DEG C, it is achieved the heating furnace degree of depth is energy-conservation
Purpose, breaks the current thermal efficiency of tubular heater and can not improve the restriction to 93%；
(4) heat reclaimed is input in stove, really plays saving fuel consumption, cuts operating costs；
(5) improve the temperature difference of each section of heat exchanger, under identical heat exchange load, reduce heat exchange area, reduce investment.
With detailed description of the invention, the present invention is further detailed below in conjunction with the accompanying drawings, but accompanying drawing and specific embodiment party
Formula does not limit the scope of the invention.
Accompanying drawing explanation
Fig. 1 is a kind of process flow diagram utilizing present system and method.
Wherein, 1 is heating furnace, and 2 is flue, and 3 is that (31 is fuel gas-flue gas heat-exchange unit to one-level heat-exchange system, and 32 is empty
Gas-flue gas heat-exchange unit), 4 is blower fan, and 5 is secondary heat exchange system (air-flue gas heat-exchange unit), and 6 is burner.
Fig. 2 is the another kind of process flow diagram utilizing present system and method.
Wherein, 1 is heating furnace, and 2 is flue, and 3 is that (31 is fuel gas-flue gas heat-exchange unit to one-level heat-exchange system, and 32 is empty
Gas-flue gas heat-exchange unit), 4 is blower fan, and 5 is that (51 is fuel gas-flue gas heat-exchange unit to secondary heat exchange system, and 52 change for air-flue gas
Hot device), 6 is burner.
Fig. 3 is that another utilizes the process flow diagram of present system and method.
Wherein, 1 is heating furnace, and 2 is flue, and 3 is that (31 is fuel gas-flue gas heat-exchange unit to one-level heat-exchange system, and 32 and 33 are
Two air-flue gas heat-exchange units in parallel), 4 is blower fan, and 5 is that (51 is fuel gas-flue gas heat-exchange unit to secondary heat exchange system, and 52 are
Air-flue gas heat-exchange unit), 6 is burner.
Detailed description of the invention
Embodiment 1:
As it is shown in figure 1, the flue gas of 200 DEG C ~ 450 DEG C discharged from heating furnace 1, distributed to one-level heat-exchange system 3 by flue 2
Two heat exchangers (fuel gas-flue gas heat-exchange unit 31 and air-flue gas heat-exchange unit 32), with air and fuel gas in heat exchanger
After heat exchange, flue-gas temperature is down to 150 DEG C ~ 250 DEG C, blasts a flue gas-air heat exchanger of secondary heat exchange system 5 through blower fan 4,
Again with air heat-exchange after, temperature is down to 60 DEG C ~ 140 DEG C discharges, through preheating the air and 100 that temperature is 150 DEG C ~ 450 DEG C
DEG C ~ fuel gas of 400 DEG C, it is passed through burner for heating furnace 6 and burns.
Embodiment 2:
As in figure 2 it is shown, the flue gas of 200 DEG C ~ 450 DEG C discharged from heating furnace 1, distributed to one-level heat-exchange system 3 by flue 2
Two heat exchangers (fuel gas-flue gas heat-exchange unit 31 and air-flue gas heat-exchange unit 32), with air and fuel gas in heat exchanger
After heat exchange, flue-gas temperature is down to 150 DEG C ~ 250 DEG C, two heat exchangers in blower fan 4 blasts secondary heat exchange system 5 (fuel gas-
Flue gas heat-exchange unit 51 and air-flue gas heat-exchange unit 52), then with air and fuel gas heat exchange after, temperature is down to 60 DEG C ~ 140 DEG C rows
Go out, through the air that temperature is 150 DEG C ~ 450 DEG C and the fuel gas of 100 DEG C ~ 400 DEG C of preheating, be passed through burner for heating furnace 6 and enter
Row burning.
Embodiment 3:
As it is shown on figure 3, the flue gas of 200 DEG C ~ 450 DEG C discharged from heating furnace 1, distributed to one-level heat-exchange system 3 by flue 2
Three heat exchangers (fuel gas-flue gas heat-exchange unit 31 and two air-flue gas heat-exchange units 32,33 in parallel), in heat exchanger
After air and fuel gas heat exchange, flue-gas temperature is down to 150 DEG C ~ 250 DEG C, two in blower fan 4 blasts secondary heat exchange system 5
Heat exchanger (fuel gas-flue gas heat-exchange unit 51 and air-flue gas heat-exchange unit 52), then with air and fuel gas heat exchange after, temperature drop
To 60 DEG C ~ 140 DEG C discharges, through the air that temperature is 150 DEG C ~ 450 DEG C and the fuel gas of 100 DEG C ~ 400 DEG C of preheating, it is passed through
Burner for heating furnace 6 burns.
Claims (10)
1. a waste heat recovery system of pipe heater, changes including flue (2), one-level heat-exchange system (3), blower fan (4) and two grades
Hot systems (5), it is characterised in that the entrance of described flue (2) is connected with the outlet of heating furnace (1), outlet and one-level heat exchange system
The smoke inlet of system (3) is connected；The exhanst gas outlet of one-level heat-exchange system (3) is connected with blower fan (4), blower fan (4) outlet and two grades
The smoke inlet of heat-exchange system (5) is connected；The exhanst gas outlet emptying of secondary heat exchange system (5) or the pollutant control system with downstream
System is connected；Medium to be heated is connected with the medium heated inlet of secondary heat exchange system (5), and the medium of secondary heat exchange system (5) adds
Heat outlet is connected with the medium heated inlet of one-level heat-exchange system (3), the medium heating exit of one-level heat-exchange system (3) and burning
Device (6) is connected；Described medium to be heated is fuel gas or air.
A kind of waste heat recovery system of pipe heater the most according to claim 1, it is characterised in that described one-level heat exchange system
System (3) includes at least one air-flue gas heat-exchange unit and at least one fuel gas-flue gas heat-exchange unit, and described heat exchanger is in parallel
Arrange.
A kind of waste heat recovery system of pipe heater the most according to claim 2, it is characterised in that described air-flue gas
The heat exchange original paper of heat exchanger is plank frame or the tubular structure of pipe interior band turbulence structure pipe extended surface structure in addition.
A kind of waste heat recovery system of pipe heater the most according to claim 2, it is characterised in that described fuel gas-cigarette
The heat exchange original paper of gas heat exchanger is plank frame or the tubular structure of pipe interior band turbulence structure pipe extended surface structure in addition.
A kind of waste heat recovery system of pipe heater the most according to claim 1, it is characterised in that described secondary heat exchange system
System (5) at least includes an air-flue gas heat-exchange unit.
A kind of waste heat recovery system of pipe heater the most according to claim 5, it is characterised in that described air-flue gas
Heat exchanger is condensing heat exchanger.
A kind of waste heat recovery system of pipe heater the most according to claim 5, it is characterised in that described secondary heat exchange system
System (5) can include also may not include fuel gas-flue gas heat-exchange unit.
8. utilizing the exhaust heat recovering method that waste heat recovery system of pipe heater as claimed in claim 1 realizes, it is special
Levy and be, the flue gas that one or more heating furnace (1) is discharged from body of heater, distributed to one-level heat-exchange system (3) by flue (2),
Secondary heat exchange system (5) is blasted with after air and fuel gas heat exchange through blower fan (4) in the heat exchanger of one-level heat-exchange system (3),
Discharging with after air (or air and fuel gas) heat exchange, air and fuel gas through preheating are led to by burner (6) more again
Enter industrial furnace burner to burn.
Exhaust heat recovering method the most according to claim 8, it is characterised in that described air is by one or more blower fan
Blast system.
Exhaust heat recovering method the most according to claim 8, it is characterised in that described fuel gas is by fuel gas pipe network system
System pressure enters system after entering system or being pressurizeed by blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610787304.6A CN106197049A (en) | 2016-08-31 | 2016-08-31 | A kind of waste heat recovery system of pipe heater and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610787304.6A CN106197049A (en) | 2016-08-31 | 2016-08-31 | A kind of waste heat recovery system of pipe heater and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106197049A true CN106197049A (en) | 2016-12-07 |
Family
ID=58085235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610787304.6A Pending CN106197049A (en) | 2016-08-31 | 2016-08-31 | A kind of waste heat recovery system of pipe heater and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106197049A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940461A (en) * | 2017-10-23 | 2018-04-20 | 上海浩用节能工程有限公司 | Reforming furnace fuel gas pre-heating mean and reformer |
| CN109915845A (en) * | 2017-12-12 | 2019-06-21 | 埃尔微尘科技（北京）有限公司 | A kind of flue gas waste heat recovery and purification system |
| CN110762512A (en) * | 2019-10-28 | 2020-02-07 | 上海浩用工业炉有限公司 | Deep energy-saving waste heat recovery system and method for tubular heating furnace |
| CN114593612A (en) * | 2022-01-26 | 2022-06-07 | 何荣志 | High-efficient recovery system of stove low temperature waste heat |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61175478A (en) * | 1985-01-31 | 1986-08-07 | 東洋エンジニアリング株式会社 | Tubular type heating furnace |
| CN1793766A (en) * | 2006-01-05 | 2006-06-28 | 中国石油化工集团公司 | Tube type heating furnace |
| CN201449159U (en) * | 2009-06-12 | 2010-05-05 | 中国西电电气股份有限公司 | Device for utilizing waste heat of gas-fired electric-porcelain furnace |
| CN103063044A (en) * | 2013-01-17 | 2013-04-24 | 中国钢研科技集团有限公司 | Rotary hearth furnace flue gas waste heat utilization system and rotary hearth furnace flue gas waste heat utilization method |
| CN103162307A (en) * | 2011-12-08 | 2013-06-19 | 洛阳合纵石化工程有限公司 | Novel process design method of tube heating furnace waste heat recovery system |
| CN103353236A (en) * | 2012-07-17 | 2013-10-16 | 佛山市广旭节能自动化科技有限公司 | Workpiece heating furnace adopting combustible gases |
| CN203501200U (en) * | 2013-07-24 | 2014-03-26 | 江苏海事职业技术学院 | Flue gas waste heat recycling system for all blast furnace gas boiler |
| CN103673592A (en) * | 2013-12-27 | 2014-03-26 | 中冶长天国际工程有限责任公司 | Method and system for parallel preheating of fuel gas and combustion air for sintering ignition furnace |
| CN104964304A (en) * | 2015-02-11 | 2015-10-07 | 上海浩用工业炉有限公司 | Tube heating furnace deep energy-saving technology |
| CN105020734A (en) * | 2014-04-18 | 2015-11-04 | 中石化洛阳工程有限公司 | Method and device for recycling smoke waste heat |
| CN105403058A (en) * | 2015-10-22 | 2016-03-16 | 山东岱荣节能环保科技有限公司 | Device and process for utilizing waste heat of waste flue gas of hot-blast stove |
| CN206073741U (en) * | 2016-08-31 | 2017-04-05 | 上海浩用节能工程有限公司 | A kind of tubular heater waste-heat recovery device |
-
2016
- 2016-08-31 CN CN201610787304.6A patent/CN106197049A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61175478A (en) * | 1985-01-31 | 1986-08-07 | 東洋エンジニアリング株式会社 | Tubular type heating furnace |
| CN1793766A (en) * | 2006-01-05 | 2006-06-28 | 中国石油化工集团公司 | Tube type heating furnace |
| CN201449159U (en) * | 2009-06-12 | 2010-05-05 | 中国西电电气股份有限公司 | Device for utilizing waste heat of gas-fired electric-porcelain furnace |
| CN103162307A (en) * | 2011-12-08 | 2013-06-19 | 洛阳合纵石化工程有限公司 | Novel process design method of tube heating furnace waste heat recovery system |
| CN103353236A (en) * | 2012-07-17 | 2013-10-16 | 佛山市广旭节能自动化科技有限公司 | Workpiece heating furnace adopting combustible gases |
| CN103063044A (en) * | 2013-01-17 | 2013-04-24 | 中国钢研科技集团有限公司 | Rotary hearth furnace flue gas waste heat utilization system and rotary hearth furnace flue gas waste heat utilization method |
| CN203501200U (en) * | 2013-07-24 | 2014-03-26 | 江苏海事职业技术学院 | Flue gas waste heat recycling system for all blast furnace gas boiler |
| CN103673592A (en) * | 2013-12-27 | 2014-03-26 | 中冶长天国际工程有限责任公司 | Method and system for parallel preheating of fuel gas and combustion air for sintering ignition furnace |
| CN105020734A (en) * | 2014-04-18 | 2015-11-04 | 中石化洛阳工程有限公司 | Method and device for recycling smoke waste heat |
| CN104964304A (en) * | 2015-02-11 | 2015-10-07 | 上海浩用工业炉有限公司 | Tube heating furnace deep energy-saving technology |
| CN105403058A (en) * | 2015-10-22 | 2016-03-16 | 山东岱荣节能环保科技有限公司 | Device and process for utilizing waste heat of waste flue gas of hot-blast stove |
| CN206073741U (en) * | 2016-08-31 | 2017-04-05 | 上海浩用节能工程有限公司 | A kind of tubular heater waste-heat recovery device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940461A (en) * | 2017-10-23 | 2018-04-20 | 上海浩用节能工程有限公司 | Reforming furnace fuel gas pre-heating mean and reformer |
| CN109915845A (en) * | 2017-12-12 | 2019-06-21 | 埃尔微尘科技（北京）有限公司 | A kind of flue gas waste heat recovery and purification system |
| CN110762512A (en) * | 2019-10-28 | 2020-02-07 | 上海浩用工业炉有限公司 | Deep energy-saving waste heat recovery system and method for tubular heating furnace |
| CN110762512B (en) * | 2019-10-28 | 2021-08-06 | 上海浩用工业炉有限公司 | Deep energy-saving waste heat recovery system and method for tubular heating furnace |
| CN114593612A (en) * | 2022-01-26 | 2022-06-07 | 何荣志 | High-efficient recovery system of stove low temperature waste heat |
| CN114593612B (en) * | 2022-01-26 | 2024-01-23 | 何荣志 | High-efficient recovery system of kiln low temperature waste heat |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101570807B (en) | Steelmaking converter gas purification and waste heat recovery system | |
| CN101629713B (en) | Flue gas afterheat recovery system | |
| CN106197049A (en) | A kind of waste heat recovery system of pipe heater and method | |
| CN201411468Y (en) | Steelmaking converter gas purification and waste heat recovery system | |
| CN206073741U (en) | A kind of tubular heater waste-heat recovery device | |
| CN104279754B (en) | Natural gas heat conducting oil boiler waste heat comprehensive utilization system | |
| CN104406186A (en) | Flue gas water recycling system | |
| CN201014751Y (en) | Wastewater afterheat recovering gas water heater | |
| CN104697171A (en) | High-efficiency heating furnace | |
| CN208154872U (en) | Hot water fall connect direct combustion dual effect type lithium bromide absorption type heat pump unit | |
| CN100455948C (en) | Condensation type heat-storage type gas-firing boiler system | |
| CN207214097U (en) | A kind of coal-burning boiler based on smoke evacuation vapor internal-circulation type condensing units | |
| CN206145956U (en) | Second grade heat transfer condensing gas heating water heater of piggyback control | |
| CN201517767U (en) | Smoke gas waste heat recovery system | |
| CN202630104U (en) | Boiler and air preheating system thereof | |
| CN208154864U (en) | Direct combustion single-effect lithiumbromide absorption type heat pump assembly with flue gas heat-exchange unit | |
| CN208154865U (en) | Direct combustion dual effect type lithium bromide absorption type heat pump unit with flue gas heat-exchange unit | |
| CN2689125Y (en) | Waste heat recovering apparatus of boiler | |
| CN103712484A (en) | Waste heat circulator | |
| CN108518887A (en) | Direct combustion dual effect type lithium bromide absorption type heat pump unit with flue gas heat-exchange unit | |
| CN204665943U (en) | A kind of waste-heat recovery device of safety and stability | |
| CN109794144A (en) | A kind of flue gas takes off white device | |
| CN220582478U (en) | Energy-saving double-drum longitudinal boiler | |
| CN204042874U (en) | A kind of heat recovery system | |
| CN218544400U (en) | Drying machine condensed water heat 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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yan Guanghao Inventor after: Zhang Minghui Inventor before: Zhang Minghui Inventor before: Zhong Xiaoping |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180522 Address after: 201203 room 307, 887 lane, 887 Chong lane, Zhangjiang hi tech park, Pudong, Pudong New Area, Shanghai. Applicant after: The great industrial furnace Co., Ltd in Shanghai Address before: 201203 Pudong New Area, Shanghai, China (Shanghai) free trade trial area, 8 8, 301-302 Applicant before: Shanghai Hao energy saving Engineering Co., Ltd. |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
|
| RJ01 | Rejection of invention patent application after publication |