CN203478166U - Radial heat pipe type waste heat recovery device for flue exhaust gas - Google Patents
Radial heat pipe type waste heat recovery device for flue exhaust gas Download PDFInfo
- Publication number
- CN203478166U CN203478166U CN201320391603.XU CN201320391603U CN203478166U CN 203478166 U CN203478166 U CN 203478166U CN 201320391603 U CN201320391603 U CN 201320391603U CN 203478166 U CN203478166 U CN 203478166U
- Authority
- CN
- China
- Prior art keywords
- pipe
- heat
- radial
- heat pipe
- gas
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a radial heat pipe type waste heat recovery device for flue exhaust gas. The radial heat pipe type waste heat recovery device comprises a gas box and a heat exchange device arranged inside the gas box, and is characterized in that side plates of the gas box are pipe plates; through holes are formed in the pipe plates; exhaust gas inlets and exhaust gas outlets are respectively formed in the two ends of the pipe plates; a steam and water separator is arranged above the pipe plates; the heat exchange device consists of a preheating heat exchange pipe bundle and an evaporation heat exchange pipe; the preheating heat exchange pipe bundle consists of a radial heat pipe, a water inlet header I and a water outlet header I; the water inlet header I and the water outlet header I are connected with the radial heat pipe; the radial heat pipe penetrates through the through holes of the pipe plate and the two ends of the radial heat pipe are arranged outside the gas box; a steam header is connected with the upper part of the steam and water separator by a connecting pipe. The radial heat pipe type waste heat recovery device for flue exhaust gas has the advantages that the radial heat pipe with such a structure is adopted in the flue exhaust gas, the flue exhaust gas heat is transferred to soft water by the heat conduction of the radial heat pipe, steam is generated, the temperature of the flue exhaust gas is reduced, the heat utilization rate is improved, and the corrosion of an exposed point is effectively avoided.
Description
Technical field
The utility model relate to a kind of be applied to coking, metallurgy, oil, etc. the radial heat pipe formula waste-heat recovery device for flue gas waste-heat recovery device, particularly a kind of flue gas in field.
Background technology
Flue gas is in order to reclaim stack gases waste heat with the effect of heat exchange tubular type waste-heat recovery device, reduces the temperature of waste gas smoke evacuation, plays and falls low-energy-consumption, produces low-pressure steam, for the production of and life.The patent No. that reclaims the application in 6 days Augusts in 2004 that all adopts my company at the waste gas residual heat of the cooling sintering deposit of sintering art is ZL200420070137.6, name is called the utility model patent of " fin pipe waste heat boiler that sinter cooler waste heat recovery is used ", and the fin pipe waste heat boiler that this sinter cooler waste heat recovery is used is formed by connecting through pipeline by steam generator, superheater and drum.Steam generator is comprised of several set of heat exchange tubes, and the heat exchanger tube in each set of heat exchange tubes adopts inserted spiral fin coil, and each set of heat exchange tubes all independently forms the circulatory system with drum; Steam superheater is comprised of many inserted helical fin coiled pipes; Steam generator and steam superheater are all arranged in flue collector, and the water after softening deoxygenation directly enters drum through feed pipe.The advantage of the fin pipe waste heat boiler of the recovery use of this structure is reasonable in design, simple in structure, heat-transfer effect is good, and heat exchange efficiency is high, booster not, and cost is low, but be not therefore suitable for the pipeline tail gas recycle of the pipeline tail gas recycle, particularly coking field of field of metallurgy and chemical engineering.
In coking field, be all that coking stack gases is emitted in the past.Because this part EGT is 280-400 ℃ of left and right, and composition is more complicated, sulfur content is higher, recycles and needs to consider cryogenic gas dew point corrosion problem, so do not reclaim all the time.
Chinese patent CN201010558892.9 discloses a kind of recoverying and utilizing method of coke oven flue heat energy from waste gas.The method, in order to reduce the exhaust gas temperature of flue gas, is drawn a by-pass flue at main chimney flue root, and a set of heat pipe type waste heat reclaiming device is installed in by-pass flue, and the tail gas after recovery discharges by air-introduced machine.Its feature is: utilize axial heat pipe to reclaim waste gas residual heat, whole equipment is comprised of preheater, evaporimeter, superheater; Each assembly is comprised of axial heat pipe.Because axial heat pipe belongs to secondary heat exchange, heat exchange efficiency reduces compared with the common finned tube of a heat exchange.And axial heat pipe duty is vertical placement, working medium, after bringing-up section is heated, along the vertical tube up arrival cooling section top of vaporizing, discharges latent heat, transfers heat to water, so need larger rising power in this process.
Summary of the invention
The purpose of this utility model is to provide a kind of temperature that can effectively reduce flue gas smoke evacuation, can avoid dew point corrosion again, improves the radial heat pipe formula waste-heat recovery device for flue gas of the thermal efficiency and service life of equipment.
The utility model is realized by following scheme:
Radial heat pipe formula waste-heat recovery device for flue of the present utility model, comprises gas casing, is arranged on the heat-exchanger rig in gas casing, it is characterized in that:
The side plate of described gas casing is tube sheet, on described tube sheet, have through hole, the two ends of gas casing are respectively gas approach and exhanst gas outlet, top at described gas casing is provided with steam-water separator, described heat-exchanger rig is comprised of preheating heat-changing tube group and evaporating heat-exchanging pipe group, described preheating heat-changing tube group is comprised of with radial heat pipe is connected therewith water inlet header I and water outlet header I radial heat pipe, it is radially connected with water inlet header I heat exchanger tube one end, the other end is connected with water outlet header I, the water inlet of water inlet header I is connected with soft water entrance, the delivery port of water outlet header I is connected with steam-water separator by tube connector, it is external that described radial heat pipe is arranged on gas cabinet through the through hole two ends on tube sheet, described evaporating heat-exchanging pipe group is by more than one group radial heat pipe with radial heat pipe water inlet header connected horizontally II and go out vapour header and formed, described radial heat pipe one end is connected with water inlet header II, the other end with go out vapour header and be connected, the water inlet of described water inlet header II is connected with the bottom of steam-water separator by pipeline, the described vapour header that goes out is connected with the top of steam-water separator by tube connector.
The radial heat pipe of described preheating heat-changing tube group is the double-layer sleeve structure that outside jacket pipe and inner side heat exchange siphunculus form, and the outside of its double-layer sleeve structure is light pipe or finned tube, and is provided with heat-pipe working medium in the jacket pipe of described outside.
The utility model has the advantages that:
Owing to having adopted the radial heat pipe of said structure in chimney meatus transmitting smoke, by radial heat pipe heat conduction, stack gases heat is passed to soft water, produce steam, both reduced flue gas exhaust gas temperature, improve heat utilization efficiency, can effectively avoid again the corrosion of dew point.
accompanying drawing explanation:
Fig. 1 is that radial heat pipe of the present utility model is horizontally set on the structural representation of horizontal flue through the through hole on tube sheet.
Fig. 2 is that radial heat pipe of the present utility model is horizontally set on the structural representation of vertical gas pass through the through hole on tube sheet.
Fig. 3 is the radially structural representation of heat exchanger tube of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, radial heat pipe formula waste-heat recovery device for flue of the present utility model, comprises gas casing, is arranged on the heat-exchanger rig in gas casing, it is characterized in that:
The side plate of described gas casing 1 is tube sheet 10, on described tube sheet 10, have through hole, the two ends of gas casing 1 are respectively gas approach and exhanst gas outlet, top at described gas casing 1 is provided with steam-water separator 9, described heat-exchanger rig is comprised of preheating heat-changing tube group 2 and evaporating heat-exchanging pipe group 3, described preheating heat-changing tube group 2 is comprised of with radial heat pipe 6 is connected therewith water inlet header I 5 and water outlet header I 7 radial heat pipe 6, its radial heat pipe 6 one end are connected with water inlet header I 5, the other end is connected with water outlet header I 7, the water inlet of water inlet header I 5 is connected with soft water entrance, the delivery port of water outlet header I 7 is connected with steam-water separator 9 by tube connector, described radial heat pipe 6 is arranged on outside gas casing 1 through the through hole two ends on tube sheet 10, its tube sheet plays a supportive role.
Described evaporating heat-exchanging pipe group 3 is by more than one group radial heat pipe 6 with radial heat pipe 6 water inlet header connected horizontally II 4 and go out vapour header and formed, described radial heat pipe 6 one end are connected with water inlet header II 8, the other end with go out vapour header 8 and be connected, the water inlet of described water inlet header II 4 is connected with the bottom of steam-water separator 9 by pipeline, and the described vapour header 8 that goes out is connected with the top of steam-water separator 9 by tube connector.
As shown in Figure 3, the radial heat pipe 6 of preheating heat-changing tube group described in the utility model is the double-layer sleeve structure that outside jacket pipe 6-1 and inner side heat exchange siphunculus 6-3 form, the outside of its double-layer sleeve structure is light pipe or finned tube, and is provided with heat-pipe working medium 6-2 in the jacket pipe 6-1 of outside.
It is little that radial heat pipe 6 of the present utility model has required working medium rising power with respect to plain shaft thermotropism pipe, unit interval working medium circulation often, the advantage such as the entrained latent heat of vaporization is more, and effectively avoid the corrosion of dew point.
According to process conditions requirement, the heat-exchanger rig being arranged in gas casing described in the utility model is arranged in horizontal flue or in vertical gas pass.
Claims (3)
1. radial heat pipe formula waste-heat recovery device for a flue gas, comprise gas casing, be arranged on the heat-exchanger rig in gas casing, it is characterized in that: the side plate of described gas casing is tube sheet, on described tube sheet, have through hole, the two ends of gas casing are respectively gas approach and exhanst gas outlet, top at described gas casing is provided with steam-water separator, described heat-exchanger rig is comprised of preheating heat-changing tube group and evaporating heat-exchanging pipe group, described preheating heat-changing tube group is comprised of with radial heat pipe is connected therewith water inlet header I and water outlet header I radial heat pipe, its radial heat pipe one end is connected with water inlet header I, the other end is connected with water outlet header I, the water inlet of water inlet header I is connected with soft water entrance, the delivery port of water outlet header I is connected with steam-water separator by tube connector, it is external that described radial heat pipe is arranged on gas cabinet through the through hole two ends on tube sheet, described evaporating heat-exchanging pipe group is by more than one group radial heat pipe with radial heat pipe water inlet header connected horizontally II and go out vapour header and formed, described radial heat pipe one end is connected with water inlet header II, the other end with go out vapour header and be connected, the water inlet of described water inlet header II is connected with the bottom of steam-water separator by pipeline, the described vapour header that goes out is connected with the top of steam-water separator by tube connector.
2. radial heat pipe formula waste-heat recovery device for flue gas according to claim 1, the radial heat pipe that it is characterized in that described preheating heat-changing tube group is the double-layer sleeve structure that outside jacket pipe and inner side heat exchange siphunculus form, the outside of its double-layer sleeve structure is light pipe or finned tube, and is provided with heat-pipe working medium in the jacket pipe of outside.
3. radial heat pipe formula waste-heat recovery device for flue gas according to claim 1, is characterized in that the described heat-exchanger rig being arranged in gas casing is arranged in horizontal flue or in vertical gas pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320391603.XU CN203478166U (en) | 2013-07-03 | 2013-07-03 | Radial heat pipe type waste heat recovery device for flue exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320391603.XU CN203478166U (en) | 2013-07-03 | 2013-07-03 | Radial heat pipe type waste heat recovery device for flue exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203478166U true CN203478166U (en) | 2014-03-12 |
Family
ID=50226491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320391603.XU Expired - Lifetime CN203478166U (en) | 2013-07-03 | 2013-07-03 | Radial heat pipe type waste heat recovery device for flue exhaust gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203478166U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292304A (en) * | 2013-07-03 | 2013-09-11 | 中冶焦耐工程技术有限公司 | Radial heat tube type waste heat recovery device for flue tail gases |
| CN104456498A (en) * | 2014-11-19 | 2015-03-25 | 大连海事大学 | Evaporation device capable of being used for heat recycling |
| CN107192282A (en) * | 2017-05-11 | 2017-09-22 | 中国北方车辆研究所 | A kind of burner exhaust heat of compact conformation utilizes heat-exchanger rig |
-
2013
- 2013-07-03 CN CN201320391603.XU patent/CN203478166U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292304A (en) * | 2013-07-03 | 2013-09-11 | 中冶焦耐工程技术有限公司 | Radial heat tube type waste heat recovery device for flue tail gases |
| CN104456498A (en) * | 2014-11-19 | 2015-03-25 | 大连海事大学 | Evaporation device capable of being used for heat recycling |
| CN104456498B (en) * | 2014-11-19 | 2016-06-01 | 大连海事大学 | A kind of evaporation unit that can be used for heat recuperation |
| CN107192282A (en) * | 2017-05-11 | 2017-09-22 | 中国北方车辆研究所 | A kind of burner exhaust heat of compact conformation utilizes heat-exchanger rig |
| CN107192282B (en) * | 2017-05-11 | 2019-08-30 | 中国北方车辆研究所 | A kind of vehicle warmer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102538203B (en) | Waste heat recovering device for conduction oil furnace | |
| CN202747320U (en) | Air cooling type efficient fuel or gas condensing boiler | |
| CN103471084B (en) | Low-pressure hot-water smoke cooling system and method for avoiding low-temperature corrosion of air pre-heater | |
| CN203478166U (en) | Radial heat pipe type waste heat recovery device for flue exhaust gas | |
| CN201526346U (en) | Yellow phosphorous combustion heat recycling device | |
| CN202442310U (en) | Furnace flue gas waste heat recovery device with thermosistor | |
| CN203478165U (en) | Radial heat pipe-common heat exchange pipe combined waste heat recovery device for flue exhaust gas | |
| CN103242865B (en) | Device for generating electricity by utilizing waste heat of raw coke oven gas | |
| CN201866787U (en) | Heat transfer oil furnace waste heat high-efficiency recycle device with phase-change heat exchanger | |
| CN103292305A (en) | Radial heat tube-ordinary heat exchange tube combined type waste heat recovery device for flue tail gases | |
| CN105571354A (en) | Flue gas waste heat recovery device and method based on double-U-shaped tube shell type heat exchanger | |
| CN204240381U (en) | A kind of boiler smoke modularization list low-temperature receiver condensing unit | |
| CN203238215U (en) | Power generation device utilizing coke oven raw gas afterheat | |
| CN206094611U (en) | Take cement kiln waste heat power generation device of solar energy collection field | |
| CN204005923U (en) | A kind of boiler waste heat recovery system | |
| CN104180359A (en) | Large-tonnage subcritical pressure steam generator | |
| CN102537917A (en) | Boiler smoke-gas residual-heat recovering device with temperature regulator | |
| CN204283520U (en) | Waste heat of coke oven crude gas power generation system | |
| CN215951481U (en) | Low-temperature heat exchange island of blast furnace gas boiler | |
| CN102635842A (en) | Separated type fin plate steam generator | |
| CN103292304A (en) | Radial heat tube type waste heat recovery device for flue tail gases | |
| CN103353107B (en) | Device capable of obtaining superheated steam from high-temperature high-pressure gas | |
| CN202216231U (en) | High-dryness steam injection boiler | |
| CN202501626U (en) | Temperature regulator-equipped internal circulation waste heat-recycling device for heat conducting oil furnace | |
| CN104405461A (en) | Organic working medium Rankine cycle waste heat power generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |