CN106918241A - A kind of furnace flue gas are separated and heat recovery system - Google Patents
A kind of furnace flue gas are separated and heat recovery system Download PDFInfo
- Publication number
- CN106918241A CN106918241A CN201710151495.1A CN201710151495A CN106918241A CN 106918241 A CN106918241 A CN 106918241A CN 201710151495 A CN201710151495 A CN 201710151495A CN 106918241 A CN106918241 A CN 106918241A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- heat exchange
- exchange tube
- lower shell
- outlet
- 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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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- 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
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
Separated the invention discloses a kind of furnace flue gas and heat recovery system, including stove, flue gas processing device, dreg collecting slot and liquid tank；The flue gas processing device includes upper shell and lower shell, and upper shell side wall is provided with the gas approach being connected with furnace flue gas outlet conduit, and upper shell top is provided with a first net gas outlet；Spiral heat exchange tube core, and submergence spiral heat exchange tube core, the liquid for absorbing granule foreign and flue gas heat in flue gas are provided with the lower chamber；Lower shell side wall is provided with the liquid inlet being connected with liquid tank pipeline, and lower shell side is additionally provided with the air inlet openings and outlet opening being connected with spiral heat exchange tube core respectively, and lower shell bottom is provided with a sewage draining exit being connected with dreg collecting slot pipeline.The system can effectively remove the hazardous particulate matter in furnace flue gas, make furnace flue gas qualified discharge, also, can also make full use of the waste heat of flue gas, energy-conservation environmental protection again.
Description
Technical field
The present invention relates to vent gas treatment field, and in particular to a kind of furnace flue gas are separated and heat recovery system.
Background technology
In existing mineral hot furnace kiln production process, part stove high-temperature flue gas are mainly directly discharged using air cooling technique, waste heat
Energy zero is utilized, and causes a large amount of wastes of energy, and, the coal particles of a large amount of uncombusteds are usually contained in furnace flue gas,
To pollute the environment.
The content of the invention
The invention aims to solve above-mentioned technical problem, there is provided a kind of furnace flue gas are separated and heat recovery system,
The system can effectively remove the hazardous particulate matter in furnace flue gas, make furnace flue gas qualified discharge, also, can also make full use of cigarette
The waste heat of gas, energy-conserving and environment-protective.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of furnace flue gas are separated and heat recovery system, including stove, flue gas processing device, dreg collecting slot and liquid tank；
The stove top is provided with exhanst gas outlet, and stove bottom is provided with air intake；
The flue gas processing device includes upper shell and lower shell, and one is formed after upper shell and lower shell are snapped connection
The cylinder chamber of closure, the upper shell and lower shell joint be provided with one piece by cylinder chamber be divided into upper cavity and lower chamber point
Dividing plate；Upper shell side wall is provided with the gas approach connected with upper cavity, and upper shell top is provided with a first net gas and goes out
Mouthful, the exhanst gas outlet is connected with gas approach pipeline；The demarcation strip middle part offers a size with the first net gas outlet
The the second net gas outlet for matching, and be connected by net gas outlet between the first net gas outlet and the second net gas outlet；It is described
It is further opened with multiple through holes, and individual through hole being equipped with the conduit extended to lower chamber on demarcation strip；It is provided with the lower chamber
Spiral heat exchange tube core, and submergence spiral heat exchange tube core, the liquid for absorbing granule foreign and flue gas heat in flue gas；
On the wall of the lower shell side, spiral heat exchange tube core over top be provided with a liquid inlet, lower shell side also sets
There are the air inlet openings and outlet opening being connected with spiral heat exchange tube core respectively, lower shell bottom is provided with a sewage draining exit；The liquid
Body entrance is connected by liquid feeding pump with liquid tank pipeline, and the air inlet openings are connected with air intake pipe, the outlet opening
It is connected with air inlet duct by blower fan, pipeline is connected with regulating valve on the sewage draining exit, and by pipeline after regulating valve
Connection one opens one for two dreg collecting slots；The liquid feeding pump is also associated with motor.
Specifically, the spiral heat exchange tube core is the spiral heat exchange tube coiled sheet sealed by two ends into being internally provided with air inlet
It is spaced from each other by flow distribution plate between passage and outlet passageway, and intake tunnel and exhalant canal；It is provided with for net in lower shell
Change the liquid of flue gas, and the liquid level of the liquid is totally submerged spiral heat exchange tube core, adjacent two spiral is then stretched into all conduit bottoms
Between heat exchange tube sheet；An air inlet for being connected with inlet channel and being matched with air inlet openings is respectively equipped with spiral heat exchange tube core
Ozzle, and an outlet passageway connection and the outlet ozzle matched with outlet opening.
Specifically, the arrival end of the first net gas outlet and all conduits is equipped with HEPA screen packs.
Specifically, the lower shell is provided with observation panel, the observation panel top is in spiral heat exchange tube core over top, sight
Cha Kou bottoms lower section at the top of spiral heat exchange tube core.
Further, the lower shell is provided with liquid level gauge, and the liquid level being connected with liquid level gauge is additionally provided with the lower shell
Alarm.
Preferably, the lower shell bottom is in ellipse arc, sewage outfalls setting bottom lowest part.
Further, the lower edge of the upper shell on the side step-like in, is easy on the lower shell
Step-like under lateral, upper shell forms a groove when closing up with lower shell, for clamping demarcation strip.
Further, in downward step-like in inner side, outwards 90 ° of upset is simultaneously connected to the through hole at the conduit top
On the step of through hole, and top surface and demarcation strip upper surface flush after conduit upset.
Preferably, it is additionally provided with sealing ring between the through hole and conduit.
Preferably, the net gas outlet is to be provided with fixed between fluorine plastic tube, and net gas outlet and the second net gas outlet
Position set.
Compared with prior art, the invention has the advantages that：
(1) reasonable in design, simple structure of the invention, easy to operate.The flue gas processing device of setting can effective purifying smoke,
And by most of heat transfer of flue gas to liquid, then transfer heat to be fired to be delivered to stove by spiral heat exchange tube core
Burn in the air of section, energy-conservation is again environmentally friendly；Additionally, the particle such as cinder absorbed in carrying liqs can be delivered to dreg collecting slot when more,
Dreg collecting slot is provided with two altogether, and one opens one standby, particulate matter can be deposited into bottom land, and collected using modes such as filterings is carried out afterwards
Recycle, save energy.
(2) present invention is provided with concentration conveyor chamber of the upper shell chamber as flue gas to be clean, then is formed by multiple conduits
A plurality of exhaust gases passes, the flue gas to be clean in upper shell chamber is transported in lower shell chamber is used for the gas cleaning things such as the water of splendid attire
Position in, purified gas and purification thing such as water etc. because by thermal evaporation produce vapor if pass through net gas outlet it is defeated
Go out qualified discharge.
(3) present invention is also provided with HEPA screen packs in demarcation strip upper and lower surface, and the two-layer screen pack is respectively as the
One layer of filtering and the filtering of last layer, on the one hand can mitigate the pressure of gas cleaning thing purifying smoke in lower chamber, reduce flue gas
The replacing of thing is purified, the flue gas after the purification that will be discharged on the other hand can be further filtered, clean-up effect is lifted, obtained completely
Meet the purified gas of environment protection emission requirement.
(4) present invention is the furnace flue gas of purification, and flue gas heat is higher, is purified according to water, then be easy to produce height
Temperature steam, the flue gas that this vapor can be again to purifying by gas cleaning thing is purified again, lifts clean-up effect,
The net gas for obtaining meets environment protection emission requirement, it is also possible to recycle.
(5) present invention is provided with observation panel, liquid level gauge and liquid level alarm, on the one hand can check in time in the separator
Liquid level whether flooded spiral heat exchange tube core top, it is to avoid flue gas is expelled directly out, purification failure, pollute environment, on the other hand
Can also be discharged by sewage draining exit in time after gas cleaning thing is heavily contaminated, to change gas cleaning thing, it is ensured that flue gas is net
Change effect.
(6) lower shell bottom of the invention is set to ellipse arc, can avoid dirty liquid deposition in lower shell bottom simultaneously
Sewage draining exit is blocked, is conducive to sewage draining exit blowdown.
(7) upper shell of the present invention, between lower shell and demarcation strip, between demarcation strip and conduit be detachable connection,
Dismounting and later stage cleaning are easily installed, especially the spiral heat exchange tube core inside its lower shell, can directly take out or spraying-rinsing,
Cleaning is changed very convenient.
(8) net gas outlet of the invention is fluorine plastic tube, with good corrosion resistance and stability, and non-stick
By force, maintenance cost is low, long service life；And positioning sleeve is provided between net gas outlet and the second net gas outlet, by positioning sleeve
Make net gas outlet expanded joint in corresponding through hole on demarcation strip, expanded joint is fixed, and fixed form is simple and reliable, good airproof performance.
(9) present invention is also provided with spiral heat exchange tube core, and the heat exchange tube core structure is simple, and easy to make, weld line is short, no
Easy fouling, can as far as possible use the heat of flue gas while purifying smoke, for heating air, in stove life
During product, air after kiln burning section is passed through heating can energy saving, and make after the coal-fired more oxygen of contact fully
Burning；Additionally, the spiral heat exchange tube core top on lower shell is provided with liquid inlet and sewage draining exit, can be rushed when liquid is changed
Brush spiral heat exchange tube wicking surface, reaches cleaning action, makes it have good heat exchange efficiency.
(10) present invention uses physical treatment method completely, and non-secondary pollution, good purification, processing cost is low, uses
Simplicity, has a wide range of application.
Brief description of the drawings
Fig. 1 is present system schematic diagram.
Fig. 2 is flue gas processing device structural representation of the present invention.
Fig. 3 is A-A sectional views.
Fig. 4 is enlarged drawing at B.
Fig. 5 is enlarged drawing at C.
Fig. 6 is spiral heat exchange tube cored structure schematic diagram of the present invention.
Specific embodiment
The invention will be further described with embodiment for explanation below in conjunction with the accompanying drawings, and mode of the invention includes but not only limits
In following examples.
Embodiment 1
A kind of furnace flue gas are separated and heat recovery system, including stove 7, flue gas processing device, dreg collecting slot 8 and liquid tank 9；
The top of the stove 7 is provided with exhanst gas outlet 71, and stove bottom is provided with air intake 72；
The flue gas processing device includes upper shell 1 and lower shell 2, and forms one after upper shell and lower shell are snapped connection
The cylinder chamber of individual closure, the upper shell and lower shell joint are provided with one piece and cylinder chamber are divided into upper cavity 3 and lower chamber 4
Demarcation strip 5；The side wall of the upper shell 1 is provided with the gas approach 11 connected with upper cavity 3, and upper shell top is provided with one the
One net gas outlet 12, the exhanst gas outlet 71 is connected with the pipeline of gas approach 11；The middle part of the demarcation strip 5 offers a size
The the second net gas outlet 51 matched with the first net gas outlet 12, and by net between the first net gas outlet and the second net gas outlet
Gas outlet 13 is connected；It is further opened with multiple through holes 52, and individual through hole being equipped with what is extended to lower chamber on the demarcation strip 5
Conduit 53；Be provided with spiral heat exchange tube core 6 in the lower chamber, and submergence spiral heat exchange tube core, for absorb in flue gas
The liquid of grain impurity and flue gas heat；
On the side wall of the lower shell 2, spiral heat exchange tube core over top be provided with a liquid inlet 22, lower shell side is also
The air inlet openings 27 and outlet opening 28 being connected with spiral heat exchange tube core respectively are provided with, lower shell bottom is provided with a sewage draining exit
23；The liquid inlet 22 is connected by liquid feeding pump 91 with the pipeline of liquid tank 9, and the air inlet openings 27 are connected with air intake duct
Road, the outlet opening 28 is connected by blower fan 73 with the pipeline of air intake 72, and pipeline is connected with regulating valve on the sewage draining exit
81, and one is opened for two dreg collecting slots 8 connecting one by pipeline after regulating valve；The liquid feeding pump 91 is also associated with motor.
The present embodiment is reasonable in design, simple structure, easy to operate.The flue gas processing device of setting can effective purifying smoke,
And by most of heat transfer of flue gas to liquid, then transfer heat to be fired to be delivered to stove by spiral heat exchange tube core
Burn in the air of section, energy-conservation is again environmentally friendly；Additionally, the particle such as cinder absorbed in carrying liqs can be delivered to dreg collecting slot when more,
Dreg collecting slot is provided with two altogether, and one opens one standby, particulate matter can be deposited into bottom land, and collected using modes such as filterings is carried out afterwards
Recycle, save energy.
The spiral heat exchange tube core is the spiral heat exchange tube coiled sheet sealed by two ends into being internally provided with the He of inlet channel 61
Outlet passageway 62, and be spaced from each other by flow distribution plate 63 between intake tunnel and exhalant canal；It is provided with for purifying in lower shell 2
The liquid of flue gas, and the liquid level of the liquid is totally submerged spiral heat exchange tube core 6, adjacent two spiral is then stretched into the bottom of all conduits 53
Between heat exchange tube sheet；One is respectively equipped with spiral heat exchange tube core 6 to be connected with inlet channel 61 and matched with air inlet openings 27
Air inlet ozzle 64, and the outlet ozzle 65 that an outlet passageway 62 is connected and matched with outlet opening 28.
In the flue gas processing device of the present embodiment, upper shell chamber as flue gas to be clean concentration conveyor chamber, then by many
Individual conduit forms a plurality of exhaust gases passes, and the flue gas to be clean in upper shell chamber is transported in lower shell chamber is used for water of splendid attire etc.
In the position of gas cleaning thing, purified gas and purification thing pass through net if water etc. is because of the vapor by thermal evaporation generation
Gas outlet exports qualified discharge.
Liquid level gauge, specified liquid level line and liquid level alarm, whether the liquid level that on the one hand can be checked in time in the separator
Flood conduit lower section, it is to avoid separator fails, pollute environment, on the other hand can also be heavily contaminated in gas cleaning thing
Discharged by sewage draining exit in time afterwards, to change gas cleaning thing, it is ensured that gas cleaning effect.
Additionally, the present embodiment is provided with spiral heat exchange tube core, the heat exchange tube core structure is simple, and easy to make, weld line is short,
It is less scaling, the heat of flue gas can as far as possible be used while purifying smoke, for heating air, in stove
In production process, air after kiln burning section is passed through heating can energy saving, and fill after making the coal-fired more oxygen of contact
Divided combustion；Additionally, the spiral heat exchange tube core top on lower shell is provided with liquid inlet and sewage draining exit, can be when liquid be changed
Spiral heat exchange tube wicking surface is washed away, cleaning action is reached, good heat exchange efficiency is made it have.
Embodiment 2
The present embodiment is on the basis of embodiment 1, in the described first net gas outlet 12 and the arrival end of all conduits 53
It is equipped with HEPA screen packs 54.Gas access end on demarcation strip upper and lower surface is provided with HEPA screen packs, the two-layer mistake
On the one hand filter screen can mitigate gas cleaning thing purifying smoke in lower chamber respectively as ground floor filtering and the filtering of last layer
Pressure, reduces the replacing of gas cleaning thing, on the other hand can further filter the flue gas after the purification that will be discharged, lifting purification
Effect, obtains complying fully with the purified gas of environment protection emission requirement.
Embodiment 3
The present embodiment is on the basis of embodiment 2, liquid level gauge 25 to be additionally arranged on lower shell and is connected with liquid level gauge 25
Liquid level alarm 26.Its detection is set more to automate, it is time saving and energy saving.
Embodiment 4
The present embodiment is that further improvement has been done on the basis of embodiment 1 or 2, is in elliptic arc by the bottom of lower shell 2
Shape, and the sewage draining exit 23 sets bottom lowest part.Dirty liquid deposition can be avoided in lower shell bottom and sewage draining exit is blocked, had
Beneficial to sewage draining exit blowdown.
Embodiment 5
The present embodiment be on the basis of embodiment 3, by the lower edge of the upper shell 1 on the side step-like,
It is easy on the lower shell 2 in downward step-like in inner side, upper shell forms a groove, is used for when closing up with lower shell
Clamping demarcation strip 5.As shown in figure 3, and the through hole 52 in demarcation strip is in downward step-like, the top of the conduit 53 in inner side
Outwards overturn 90 ° and be connected on the step of through hole, and top surface and the upper surface flush of demarcation strip 5 after conduit upset.It is described logical
Sealing ring 55 is additionally provided between hole 52 and conduit 53.Between upper shell 1, lower shell 2 and demarcation strip 5, demarcation strip 5 and conduit 53 it
Between be detachable connection, be easily installed dismounting and later stage cleaning, and be mounted with sealing ring, flue gas can be prevented effectively from direct
Entered in lower shell cavity not by fluid-tight by gap, be then discharged in air with net gas, contaminated air.
Embodiment 6
As shown in figure 4, the present embodiment is the further improvement done on the basis of embodiment 4, the net gas outlet 12
It is set to be provided with positioning sleeve 56 between fluorine plastic tube, and net gas outlet and the second net gas outlet 51.Fluorine plastic tube has good
Corrosion resistance and stability, and non-stick is strong, and maintenance cost is low, long service life；And net gas outlet goes out with the second net gas
Positioning sleeve is provided between mouthful, makes net gas outlet expanded joint in corresponding through hole on demarcation strip by positioning sleeve, expanded joint is fixed, Gu
Determine mode simple and reliable, good airproof performance.
Above example uses physical treatment method completely, and non-secondary pollution, good purification, processing cost is low, makes
With simplicity, have a wide range of application, can be applicable.
Above-described embodiment is only the preferred embodiment of the present invention, should not be taken to limit protection scope of the present invention, but
It is all body design thought of the invention and mentally make have no the change of essential meaning or polishing, its technology for being solved
Problem is still consistent with the present invention, should be included within protection scope of the present invention.
Claims (10)
1. a kind of furnace flue gas are separated and heat recovery system, it is characterised in that including stove (7), flue gas processing device, dreg collecting slot
And liquid tank (9) (8)；
Stove (7) top is provided with exhanst gas outlet (71), and stove bottom is provided with air intake (72)；
The flue gas processing device includes upper shell (1) and lower shell (2), and forms one after upper shell and lower shell are snapped connection
The cylinder chamber of individual closure, the upper shell and lower shell joint are provided with one piece and cylinder chamber are divided into upper cavity (3) and cavity of resorption
The demarcation strip (5) of body (4)；Upper shell (1) side wall is provided with the gas approach (11) connected with upper cavity (3), upper shell
Top is provided with first net gas outlet (12), and the exhanst gas outlet (71) is connected with gas approach (11) pipeline；The separation
Plate (5) middle part offers the second net gas outlet (51) that a size matches with the first net gas outlet (12), and the first net gas
It is connected by net gas outlet (13) between outlet and the second net gas outlet；Multiple through holes are further opened with the demarcation strip (5)
(52), and in individual through hole it is equipped with the conduit (53) extended to lower chamber；Spiral heat exchange tube core (6) is provided with the lower chamber,
And submergence spiral heat exchange tube core, the liquid for absorbing granule foreign and flue gas heat in flue gas；
On the wall of lower shell (2) side, spiral heat exchange tube core over top be provided with a liquid inlet (22), lower shell side is also
The air inlet openings (27) and outlet opening (28) being connected with spiral heat exchange tube core respectively are provided with, lower shell bottom is provided with a blowdown
Mouth (23)；The liquid inlet (22) is connected by liquid feeding pump (91) with liquid tank (9) pipeline, air inlet openings (27) connection
There is air intake pipe, the outlet opening (28) is connected by blower fan (73) with air intake (72) pipeline, the sewage draining exit
Upper pipeline is connected with regulating valve (81), and opens one for two dreg collecting slots (8) connecting one by pipeline after regulating valve；The feed liquor
Pump (91) is also associated with motor.
2. a kind of furnace flue gas according to claim 1 are separated and heat recovery system, it is characterised in that the spiral heat exchange
Tube core is the spiral heat exchange tube coiled sheet sealed by two ends into being internally provided with inlet channel (61) and outlet passageway (62), and enter
It is spaced from each other by flow distribution plate (63) between aquaporin and exhalant canal；The liquid for purifying smoke is provided with lower shell (2),
And the liquid level of the liquid is totally submerged spiral heat exchange tube core (6), adjacent two spiral heat exchange tube is then stretched into all conduit (53) bottoms
Between plate；One is respectively equipped with spiral heat exchange tube core (6) to be connected with inlet channel (61) and matched with air inlet openings (27)
Air inlet ozzle (64), and outlet passageway (62) connection and the outlet ozzle (65) matched with outlet opening (28).
3. a kind of furnace flue gas according to claim 2 are separated and heat recovery system, it is characterised in that the first net gas
The arrival end of outlet (12) and all conduits (53) is equipped with HEPA screen packs (54).
4. a kind of furnace flue gas according to claims 1 to 3 any one are separated and heat recovery system, it is characterised in that
The lower shell (2) is provided with observation panel (24), and the observation panel top is in spiral heat exchange tube core (6) over top, observation panel
Bottom lower section at the top of spiral heat exchange tube core.
5. a kind of furnace flue gas according to claim 4 are separated and heat recovery system, it is characterised in that the lower shell
(2) liquid level gauge (25) is provided with, the liquid level alarm (26) being connected with liquid level gauge (25) is additionally provided with the lower shell (2).
6. a kind of furnace flue gas according to claim 1 or 4 are separated and heat recovery system, it is characterised in that the lower cylinder
Body (2) bottom is in ellipse arc, and the sewage draining exit (23) sets bottom lowest part.
7. a kind of furnace flue gas according to claim 6 are separated and heat recovery system, it is characterised in that the upper shell
(1) lower edge on the side step-like in, is easy in downward step-like, the upper shell in inner side on the lower shell (2)
A groove is formed when closing up with lower shell, for clamping demarcation strip (5).
8. a kind of furnace flue gas according to claim 7 are separated and heat recovery system, it is characterised in that the through hole (52)
In downward step-like in inner side, outwards 90 ° of upset is simultaneously connected on the step of through hole at conduit (53) top, and conduit is turned over
Top surface and demarcation strip (5) upper surface flush after turning.
9. a kind of furnace flue gas according to claim 2 are separated and heat recovery system, it is characterised in that the through hole (52)
Sealing ring (55) is additionally provided between conduit (53).
10. a kind of furnace flue gas according to claim 8 or claim 9 are separated and heat recovery system, it is characterised in that the net gas
Outlet (13) is fluorine plastic tube, and is provided with positioning sleeve (56) between net gas outlet and the second net gas outlet (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151495.1A CN106918241A (en) | 2017-03-14 | 2017-03-14 | A kind of furnace flue gas are separated and heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151495.1A CN106918241A (en) | 2017-03-14 | 2017-03-14 | A kind of furnace flue gas are separated and heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106918241A true CN106918241A (en) | 2017-07-04 |
Family
ID=59460886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710151495.1A Withdrawn CN106918241A (en) | 2017-03-14 | 2017-03-14 | A kind of furnace flue gas are separated and heat recovery system |
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| CN (1) | CN106918241A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110806113A (en) * | 2019-11-25 | 2020-02-18 | 北京科技大学 | Method and device for reducing energy consumption by introducing gas into submerged arc furnace |
-
2017
- 2017-03-14 CN CN201710151495.1A patent/CN106918241A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110806113A (en) * | 2019-11-25 | 2020-02-18 | 北京科技大学 | Method and device for reducing energy consumption by introducing gas into submerged arc furnace |
| CN110806113B (en) * | 2019-11-25 | 2020-08-25 | 北京科技大学 | Method and device for reducing energy consumption by introducing gas into submerged arc furnace |
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Application publication date: 20170704 |
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