CN205561606U - Heat exchange device for recycling flue gas waste heat - Google Patents
Heat exchange device for recycling flue gas waste heat Download PDFInfo
- Publication number
- CN205561606U CN205561606U CN201620318167.7U CN201620318167U CN205561606U CN 205561606 U CN205561606 U CN 205561606U CN 201620318167 U CN201620318167 U CN 201620318167U CN 205561606 U CN205561606 U CN 205561606U
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- CN
- China
- Prior art keywords
- flue gas
- cold
- waste heat
- heat exchange
- temperature flue
- 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.)
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- 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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
The utility model provides a heat exchange device for recycling flue gas waste heat, include: a casing, two baffles, both ends are continuous with the both sides of casing respectively, cut apart into three space with the casing, and three space cold respectively hot air duct, cold hot water passageway and high temperature flue gas passageway, a plurality of evaporating pipes, slant are installed in high temperature flue gas passageway, is a S -shaped condenser pipe laid in the cold on the hot water passageway, a plurality of cylindricality condenser pipes are the formation range and evenly connect in the upside baffle, a plurality of guiding gutter is anti - loudspeaker form. The utility model provides a flue gas waste heat heat transfer device cooling set up the slant baffle between hot water passageway and the high temperature flue gas passageway to and set up the guiding gutter of form that falls loudspeaker in high temperature flue gas inlet department, thereby reduce the velocity of flow of high temperature flue gas, make the cooling of high temperature flue gas more fully, the while will be cooled the S -shaped is set to condenser pipe in the hot water passageway, makes the refrigerant after evaporating fully contact with the S -shaped condenser pipe, and refrigeration effect is better.
Description
Technical field
This utility model relates to waste heat field of heat exchange, recycles fume waste heat exchange device particularly to one.
Background technology
At present, domestic industry produces commonly used fuel oil, coal-fired mode obtains the required amount of heat of production, in production process
In a lot of energy consumption equipments produce a large amount of flue gases and enter air, flue gas becomes the main path of general energy consumption equipment waste energy, than
As boiler exhaust gas loss constitutes about the 80% of boiler heat loss, and the forming machine of other equipment such as dyeing, dehydrator with
And the main power consumption such as the metallurgical furnace of metal smelt is all by fume emission, both pollutes environment and wasted substantial amounts of heat
Energy.Existing flue gas waste heat recovery apparatus mainly has air preheater, heat exchange of heat pipe and energy-saving ceramic heat exchanger etc., and these change
Hot device typically can only heat a kind of working medium, and heat exchange efficiency is low, it is impossible to realizes the comprehensive utilization of waste heat, and exist structure complicated,
Easily dust stratification, high in cost of production problem so that flue gas waste heat recovery can not well be promoted in the industrial production.
Patent of invention (CN 103712495B) discloses and a kind of recycles fume waste heat exchange device, including heat exchange housing,
Sealing dividing plate, layering dividing plate, heat exchange pipe fitting and fixing device, heat exchange housing two ends are respectively to having inlet of cold air, hot water
Outlet, high-temperature flue gas import and hot air outlet, cooling water inlet and high-temperature flue gas outlet, the sealing dividing plate in heat exchange housing
Heat exchange housing is divided into upper cavity and lower chamber, layering dividing plate I are arranged between hot water outlet and high-temperature flue gas import, layering
Dividing plate II is arranged between cooling water inlet and high-temperature flue gas outlet, is disposed with multiple rows of heat exchanger tube in lower chamber, and heat exchanger tube is arranged on
Two ends arrange fixed tube sheet on and vertical with fixed tube sheet, be disposed with cold-producing medium in lower chamber.
But, in fume waste heat exchange device set forth above in the cooling water inlet passage with hot water outlet, the condensation of setting
The profile of pipe is helical form so that the contact area between high-temperature gas and condensing tube is less, and condensation effect is relatively low, Er Qiegao
Temperature flue gas speed when gas approach enters so that the imperfection that cooling high-temperature fume is processed.
In view of drawbacks described above, this utility model creator obtains this utility model technical side through research and practice for a long time
Case.
Utility model content
The purpose of this utility model is, it is provided that a kind of fume waste heat exchange device that recycles, increase high-temperature gas and condensation
Contact area between pipe, slows down speed during high-temperature flue gas entrance gas approach simultaneously, and the cooling improving high-temperature flue gas processes.
For achieving the above object, the technical solution adopted in the utility model is, it is provided that a kind of recycling flue gas waste heat for heat exchange
Device, including: a housing, in frame-shaped construction；Two pieces of dividing plates, both sides with described housing respectively, two ends are connected, by described
Housing is divided into three spaces, and three spaces are from top to bottom respectively cold-hot air duct, cold-hot aquaporin and high temperature
Exhaust gases passes；Wherein, the described dividing plate in upside is for being horizontally mounted；The described dividing plate in downside is diagonally-installed；Some evaporation tubes,
Diagonally-installed in high temp. flue, and each described evaporation tube dividing plate described with downside is parallel；One S-shaped condensing tube,
It is layed on described cold-hot aquaporin, and the gradient of described dividing plate along downside, between the described upper and lower two ends of S-shaped condensing tube
Length be gradually shortened；Some cylindricality condensing tubes, in formation, arrangement is uniformly connected to the described dividing plate in upside；Several water conservancy diversion
Groove, shape is identical, and in the most horn-like, and the big end of each described guiding gutter is connected with described housing, and small end is free end.
Preferably, a sealing ring is set between the upper end and the epipleural of described housing of described cylindricality condensing tube.
Preferably, described housing is corrosion-resistant metal materials, and along the sheathed heat-insulation layer of housing of described housing.
Preferably, a sewage draining exit is set bottom the right side wall of described cold-hot air duct, on a left side for described cold-hot aquaporin
Side wall upper part arranges a topping up air vent.
The beneficial effects of the utility model are compared with the prior art: the fume waste heat exchange device that this utility model provides exists
Oblique dividing plate is set between cold-hot aquaporin and high temp. flue, and arranges trumpet-shaped in high-temperature flue gas import department
Guiding gutter, thus reduce the flow velocity of high-temperature flue gas so that high-temperature flue gas cooling is more abundant, simultaneously by cold-hot aquaporin
In condensing tube be arranged to S-shaped so that the cold-producing medium after evaporation is fully contacted with S-shaped condensing tube, good refrigeration effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment recycling fume waste heat exchange device of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, to this utility model, above-mentioned and other technical characteristic and advantage are described in more detail.
Fig. 1 is the structural representation of a kind of embodiment recycling fume waste heat exchange device；As it is shown in figure 1, this enforcement
A kind of recycling fume waste heat exchange device that example provides, it is achieved the classified utilization of heat energy, this fume waste heat exchange device bag
If include 1, two pieces of dividing plates 2 of a housing, some evaporation tube 3, S-shaped condensing tubes 4, some cylindricality condensing tubes 5 and
Dry guiding gutter 6.
In the present embodiment, the thickness direction along housing 1 is defined as the both sides up and down of fume waste heat exchange device；Along housing 1
Width be defined as the left and right sides of fume waste heat exchange device.
Concrete, housing 1 is in frame-shaped construction；Two pieces of dividing plates 2 both sides with described housing 1 respectively are connected, by described housing
1 is divided into three spaces, and three spaces are from top to bottom respectively cold-hot air duct 7, cold-hot water channel 8 and height
Temperature exhaust gases passes 9；Wherein, in cold-hot air duct 7, left side is inlet of cold air 71, and right side is hot air outlet 72；
In cold-hot water channel 8, left side is hot water outlet 81, and right side is cooling water inlet 82；In high temp. flue 9, left side is
High-temperature flue gas import 91, right side is to be full of cold-producing medium in high-temperature flue gas outlet 92, and high temp. flue 9；Preferably,
In two pieces of described dividing plates 2, wherein, upside dividing plate 2 is for being horizontally mounted；Downside dividing plate 2 is diagonally-installed, and high-temperature flue gas
Import 91 width exports 92 width less than high-temperature flue gas, it is preferred that if being provided with on upside dividing plate 2 and downside dividing plate 2
Dry through hole, in order to connect cold-hot air duct 7, cold-hot water channel 8 and high temp. flue 9 up and down；Some
Evaporation tube 3 is diagonally-installed in high temp. flue 9, and each described evaporation tube 3 is parallel with downside dividing plate 2；S-shaped
Condensing tube 4 is layed on cold-hot water channel 8, and along the gradient of downside dividing plate 2, described S-shaped condensing tube about 4 two
Length between end is gradually shortened；Some cylindricality condensing tubes 5 arrange in formation and are uniformly connected to upside dividing plate 2；Several
Guiding gutter 6 shape is identical, and in the most horn-like, and the big end of each guiding gutter 6 is connected with described housing 1, and small end is freely
End, wherein, several described guiding gutters 6 are respectively arranged in high-temperature flue gas import 91, cooling water inlet 82, inlet of cold air
71 and hot air outlet 72；As the targeting port of high-temperature flue gas, water and air, slow down accordingly high-temperature flue gas, water with
And the flowing velocity of air.
In a preferred embodiment, as it is shown in figure 1, at the upper end of described cylindricality condensing tube 5 and described housing 1
One sealing ring 10 is set between epipleural, it is ensured that fume waste heat exchange device runs steadily in the long term, improves flue gas waste heat for heat exchange
The service life of device.
In a preferred embodiment, as it is shown in figure 1, described housing 1 is corrosion-resistant metal materials, and along described shell
The sheathed heat-insulation layer 11 of housing of body 1.
In a preferred embodiment, as it is shown in figure 1, arrange a row bottom the right side wall of cold-hot air duct 7
Dirty mouth 12, arranges a topping up air vent 13 on the left side wall top of cold-hot water channel 8, in order to discharge incoagulable gas and benefit
Fill the cold-producing medium in high temp. flue 9.
Hereinafter, illustrate with a kind of specific embodiment, it should be pointed out that the knot described in implementation below
Structure, technique, selection are only in order to illustrate the feasibility of embodiment, and the intention of unrestricted scope.
The action principle of fume waste heat exchange device: high-temperature flue gas enters from high-temperature flue gas import 91 and is arranged in housing 1 flue gas
Evaporation tube 3 in passage, evaporation tube 3 is inhaled by the cold-producing medium outside evaporation tube 3 by cold-producing medium submergence, the heat of high-temperature flue gas
Receiving, flue-gas temperature declines rapidly, from high-temperature flue gas outlet 92 discharge；Cold-producing medium fully absorbs flue gas heat, vaporization boiling
And move upward, first pass to heat flow to the cold water within S-shaped condensing tube 4 from cooling water inlet 82, flue gas and cold
Water reverse flow, enhances heat transfer effect, and cold water absorbs amount of heat and becomes hot water and flow out from hot water outlet 81, then to
Upper flowing, is entered by the through hole on dividing plate 2 and is evenly distributed on cylindricality condensing tube 5 inner chamber within cold-hot air duct 7；
Cold air enters cylindricality condensing tube 5 space outerpace from inlet of cold air 71, high speed cold air fast flush cylindricality condensing tube 5,
The amount of heat of cold air absorption tube inner refrigerant release heats up and becomes hot-air, and the hot-air after intensification is from hot air outlet 72
Discharge；The cold-producing medium of evaporating state is condensed into liquid after two-stage heat release, under gravity along in cylindricality condensing tube 5
Side trench refluxes, and falls the bottom of high temp. flue 9, so moves in circles, by the heat of high-temperature flue gas with cold-producing medium is
Heat transfer medium passes to cold water and cold air, reaches to heat the requirement of two kinds of working medium.
The fume waste heat exchange device that the present embodiment provides arranges oblique between cold-hot water channel 8 and high temp. flue 9
Dividing plate 2, and trumpet-shaped guiding gutter 6 is set at high-temperature flue gas import 91, thus reduce the flow velocity of high-temperature flue gas,
Make high-temperature flue gas cooling more abundant, the condensing tube in cold-hot water channel 8 is arranged to S-shaped so that evaporation simultaneously
After cold-producing medium be fully contacted with S-shaped condensing tube 4, refrigeration is more preferable.
The foregoing is only preferred embodiment of the present utility model, be merely illustrative for this utility model, rather than limit
Property processed.Those skilled in the art should be appreciated that can be to it in the spirit and scope that this utility model claim is limited
Carrying out many changes, amendment, even equivalence, will fall in protection domain of the present utility model.
Claims (4)
1. one kind recycles fume waste heat exchange device, it is characterised in that including:
One housing, in frame-shaped construction；
Two pieces of dividing plates, both sides with described housing respectively, two ends are connected, and described housing is divided into three spaces, and three skies
Between be from top to bottom respectively cold-hot air duct, cold-hot aquaporin and high temp. flue；Wherein, the described dividing plate in upside
For being horizontally mounted；The described dividing plate in downside is diagonally-installed；
Some evaporation tubes, diagonally-installed in high temp. flue, and each described evaporation tube is flat with the described dividing plate in downside
OK；
One S-shaped condensing tube, is layed on described cold-hot aquaporin, and the gradient of described dividing plate along downside, described S-shaped
Length between the upper and lower two ends of condensing tube is gradually shortened；
Some cylindricality condensing tubes, in formation, arrangement is uniformly connected to the described dividing plate in upside；
Several guiding gutters, shape is identical, and in the most horn-like, and the big end of each described guiding gutter is connected with described housing,
Small end is free end.
Fume waste heat exchange device the most according to claim 1, it is characterised in that upper at described cylindricality condensing tube
Between end and the epipleural of described housing, a sealing ring is set.
Fume waste heat exchange device the most according to claim 2, it is characterised in that described housing is corrosion resistant metal
Material, and along the sheathed heat-insulation layer of housing of described housing.
Fume waste heat exchange device the most according to claim 3, it is characterised in that at described cold-hot air duct
One sewage draining exit is set bottom right side wall, one topping up air vent is set on the left side wall top of described cold-hot aquaporin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620318167.7U CN205561606U (en) | 2016-04-16 | 2016-04-16 | Heat exchange device for recycling flue gas waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620318167.7U CN205561606U (en) | 2016-04-16 | 2016-04-16 | Heat exchange device for recycling flue gas waste heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205561606U true CN205561606U (en) | 2016-09-07 |
Family
ID=56808427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620318167.7U Expired - Fee Related CN205561606U (en) | 2016-04-16 | 2016-04-16 | Heat exchange device for recycling flue gas waste heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205561606U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269331A (en) * | 2018-10-30 | 2019-01-25 | 江苏龙净节能科技有限公司 | A kind of two-period form heat pipe rotational flow heat exchanger |
| CN111068448A (en) * | 2020-01-17 | 2020-04-28 | 中海石油气电集团有限责任公司 | Gas turbine inlet air filtering device and method |
-
2016
- 2016-04-16 CN CN201620318167.7U patent/CN205561606U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269331A (en) * | 2018-10-30 | 2019-01-25 | 江苏龙净节能科技有限公司 | A kind of two-period form heat pipe rotational flow heat exchanger |
| CN111068448A (en) * | 2020-01-17 | 2020-04-28 | 中海石油气电集团有限责任公司 | Gas turbine inlet air filtering device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20190416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |