CN108731532A - Temperature flue gas cooling device - Google Patents
Temperature flue gas cooling device Download PDFInfo
- Publication number
- CN108731532A CN108731532A CN201810553086.9A CN201810553086A CN108731532A CN 108731532 A CN108731532 A CN 108731532A CN 201810553086 A CN201810553086 A CN 201810553086A CN 108731532 A CN108731532 A CN 108731532A
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- gas tank
- babinet
- cold water
- strut
- boiler
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Treating Waste Gases (AREA)
Abstract
The present patent application belongs to fume treatment technical field, specifically discloses a kind of temperature flue gas cooling device, including babinet, and the babinet is equipped with air inlet and air outlet, and lower part is collecting chamber in babinet, and the babinet lower end is equipped with the discharge nozzle being connected to collecting chamber；Babinet upper end is equipped with cold water storage cistern, and the cold water storage cistern upper end is equipped with boiler, water-changing tube road has been respectively communicated on boiler and cold water storage cistern；Box house is equipped with more condenser pipes, and the condenser pipe includes the outer tube being connected to cold water storage cistern and the inner tube that is connected to boiler, and the lower end of said inner tube is connected to outer tube.Compared with prior art, the present apparatus is simple in structure, small, low energy consumption, can persistently be condensed to high-temperature flue gas and ensure preferable condensation effect.
Description
Technical field
The invention belongs to fume treatment technical fields, specifically disclose a kind of temperature flue gas cooling device.
Background technology
At present in numerous industries such as metallurgy, building materials, electric power, chemical industry, the largely flue gas containing dust can be all generated, in order to
It protects the environment from pollution, such flue gas cannot be directly discharged in environment, need to be dusted processing.Flue gas ash removal is more at present
It is to use dry cloth bag formula dedusting, i.e., flue gas is filtered to reach dust removing effects using cloth bag.
Dry cloth bag formula dust removal requirement flue-gas temperature controls more than dew-point temperature, and guarantee does not condense, and must be by flue gas
Temperature controls the temperature range allowed in filter bag.And flue gas to be treated is high temperature in the case of logical production, therefore at home and abroad, greatly
Amount uses heat sink of the mechanical cooler as high-temperature flue gas.The mechanical cooler cooling-down effect that the country uses at present is bad,
And volume is big, steel consumption height, constructional difficulties, inconvenient maintenance, high energy consumption, manufacturing cost height.
Invention content
The purpose of the present invention is providing a kind of temperature flue gas cooling device, and to solve, cooling high-temperature fume is ineffective to ask
Topic.
In order to achieve the above object, base case of the invention is：Temperature flue gas cooling device, including babinet, the case
Body is equipped with air inlet and air outlet, and lower part is collecting chamber in babinet, and the babinet lower end is equipped with the discharge nozzle being connected to collecting chamber；
Babinet upper end is equipped with cold water storage cistern, and the cold water storage cistern upper end is equipped with boiler, water-changing tube has been respectively communicated on boiler and cold water storage cistern
Road；Box house is equipped with more condenser pipes, in the condenser pipe includes the outer tube being connected to cold water storage cistern and is connected to boiler
Pipe, the lower end of said inner tube is connected to outer tube；
The condenser pipe upper end is rotatably connected to first gear, and condenser pipe outer cover is equipped with spiral floating rule, floating rule with
Fitting, upper end and the first gear of floating rule are fixed outside condenser pipe, the first gear intermeshing of adjacent condenser pipe；The babinet
Upper rotation is equipped with strut, and the strut lower end is located in babinet, and strut lower end is equipped with the second gear engaged with first gear, institute
Stating strut passes through babinet upper end, the upper end of strut to be located at the outside of babinet, and the upper end of strut is connected with the bent axle coaxial with strut；
The cold water storage cistern is equipped with close to the side of strut and is embedded with the first gas tank, and the first gas tank interior sealing slidably connects the
One piston is hinged with the first stopper rod, bending part rotation connection of first stopper rod perpendicular to strut and with bent axle on first piston；
The side of the close strut of the boiler is embedded with the second gas tank, and the second gas tank interior sealing slidably connects second piston, the
It is hinged with the second stopper rod on two pistons, the second stopper rod turns perpendicular to strut and on bent axle and bending part that first piston is adjacent
Dynamic connection；It is equipped with interconnected ventilation pipe between first gas tank and the second gas tank, first gas tank, the second gas tank and logical
Filled with gas in feed channel.
The operation principle of this base case is：High-temperature flue gas needs before using dry cloth bag formula dedusting, using this dress
It sets and cooling processing is carried out to it.The present apparatus is before use, condensed water can be passed through by water-changing tube road into cold water storage cistern, condensed water will
Entered in condenser pipe by outer tube, high-temperature flue gas can be entered at this time by air inlet in babinet, high-temperature flue gas passes through condenser pipe
Condensation cooling, and from air outlet be discharged.During the use of the present apparatus, it can be continued to cold water storage cistern by water-changing tube road
In be passed through cold water so that there is cold water to be passed through always in the outer tube of condenser pipe, ensure that condenser pipe makees the condensation of high-temperature flue gas
With；Hot water is extracted out from boiler by water-changing tube road simultaneously, since the bottom of inner tube is connected to outer tube, to high temperature cigarette in outer tube
Condensed water of the gas by cooling processing, temperature raising enter boiler through inner tube and are extracted so that hot water or cold water is in the present apparatus
Interior constant flow ensures persistently have cold water to enter hot water extraction in condensation pipe, and then ensure that condenser pipe to high-temperature flue gas
Cooling-down effect.
For condensed water in the flow process of the present apparatus, boiler will enter the hot water for absorbing high-temperature flue gas heat, cold
Water tank will enter the cold water for not passing in and out cooling processing to high-temperature flue gas also.It is embedded since cold water storage cistern is equipped with close to the side of strut
There is the first gas tank, the side of the close strut of boiler is embedded with the second gas tank, in the first gas tank, the second gas tank and ventilation pipe
Filled with gas；The gas of first gas tank will be by the cold water continued down of cold water storage cistern, and the gas in the second gas tank will be by hot water
The hot water continuous heating of case.Since the first gas tank interior sealing slidably connects first piston, the first plug is hinged on first piston
Bar, bending part rotation connection of first stopper rod perpendicular to strut and with bent axle；Second gas tank interior sealing slidably connects second
Piston, is hinged with the second stopper rod in second piston, the second stopper rod perpendicular to strut and on bent axle and that first piston is adjacent is curved
Bent portions are rotatablely connected；Interconnected ventilation pipe is equipped between first gas tank and the second gas tank；Gas in first gas tank
Cooling is shunk, it will so that first piston is moved into the first gas tank, to make the first stopper rod move, the first stopper rod will be drawn
Dynamic crankshaft rotates；Gas heating expansion in second gas tank, it will make second piston be moved into the second gas tank, to make second
Stopper rod moves, and the second stopper rod will push crank rotation；In above process, the gas and the second gas tank in the first gas tank
Interior gas will be flowed by venting channels, while bent axle is under the action of First piston bar and second piston bar, it will be held
Continuous rotation.
Bent axle persistently rotates, and strut is driven persistently to rotate, and the second gear rotation of strut lower end, second gear will drive
First gear rotates；The first gear of adjacent condenser pipe is intermeshed, then all first gears is made to rotate.First gear is turning
It when dynamic, be fitted in the floating rule outside condenser pipe and rotate therewith, floating rule is twist nested in the outside of condenser pipe, and floating rule rotation can
The surface of condenser pipe is scraped.During present apparatus use, due to carrying dust in high-temperature flue gas, and in condenser pipe to height
The cooling effect that warm flue gas carries out exists, and dust will be covered in the outer wall of condenser pipe, and floating rule can will be covered in condensation pipe outer wall
Dust scrapes, and dust will be fallen in collecting box, may be recovered processing by discharge nozzle.
The advantageous effect of this base case is：
1, the condenser pipe in the present apparatus makes the condensed water level for being passed through condenser pipe in condensation using the setting of outer tube and inner tube
The outside of pipe will quickly be extracted the water for absorbing heat after cooling high-temperature fume and heating up, to realize to high temperature cigarette
Gas continue, quickly cools down.
2, by using the effect of hot water or cold water during condensed water use in the present apparatus, in conjunction with the first gas tank, first
The structure of piston, the first stopper rod, the second gas tank, second piston, the second stopper rod, ventilation pipe and bent axle, in Stirling engine
Principle effect lower realize bent axle is continued into driving rotation, and using crank rotation to being dusted outside condenser pipe.
3, in the present apparatus, by the ringing of condensed water, to being cleared up outside condenser pipe, to make outside condenser pipe
No dust accumulation, ensure that the cooling effect of condenser pipe and the present apparatus remain to keep preferably condensing after prolonged use
Effect.
Compared with prior art, the present apparatus is simple in structure, small, low energy consumption, can persistently to high-temperature flue gas condense and
Ensure preferable condensation effect.
Further, the floating rule is made of elastic material, and the lower part of floating rule is equipped with magnetic patch, and babinet lower end is internally provided with energization
When with the attracting electromagnet of magnetic patch.
The present apparatus in use, can be powered to electromagnet and be allowed to generate suction-operated to magnetic patch, magnetic patch is in electromagnet
Suction-operated under will move down, to make floating rule move down, floating rule is also rotating simultaneously, may make that floating rule is comprehensive to condenser pipe
Cleaning.
Further, the air inlet is equipped with blast pipe, and the air outlet is equipped with discharge pipe, axis stream is equipped in the blast pipe
Wind turbine.
The setting of blast pipe and discharge pipe, more conducively high-temperature flue gas cool down in babinet, and axial flow blower is convenient for high temperature cigarette
Gas is passed through in babinet.
Further, the cold water storage cistern and boiler are equipped with groove, and groove inner wall is heat-conducting plate, the first gas tank and the second gas
Case is made of Heat Conduction Material, and the first gas tank is sticked in the groove of cold water storage cistern, and the second gas tank is sticked in the groove of boiler.
The effect that groove and heat-conducting plate can make the gas in the first gas tank and the second gas tank receive hot water or cold water is stronger, from
And it is effectively guaranteed the rotation of bent axle.
Further, filled with helium in first gas tank, the second gas tank ventilation pipe.
Helium is incombustible, chemical property torpescence, is not combined, is more suitable for other elements or compound under usual state
In the effect for receiving hot water or cold water as medium.
Further, the condenser pipe external stability has bearing, the first gear to be rotatablely connected by bearing and condenser pipe.
Bearing can make first gear rotation, and friction is small, to which more conducively floating rule rotation outside condenser pipe to removing
Dirt processing.
Description of the drawings
Fig. 1 is the longitudinal sectional view of temperature flue gas cooling device of the present invention.
Specific implementation mode
Below by specific implementation mode, the present invention is described in further detail：
Reference numeral in Figure of description includes：Babinet 10, air inlet 11, air outlet 12, blast pipe 13, axial flow blower
14, discharge pipe 15, collecting chamber 16, discharge nozzle 17, cold water storage cistern 20, boiler 21, water-changing tube road 22, condenser pipe 23, outer tube 24, interior
Pipe 25, bearing 26, first gear 27, floating rule 30, magnetic patch 31, electromagnet 32, strut 40, second gear 41, bent axle 42, the first gas
Case 50, first piston 51, the first stopper rod 52, the second gas tank 53, second piston 54, the second stopper rod 55, ventilation pipe 56.
As shown in Figure 1, temperature flue gas cooling device, including babinet 10, babinet 10 are equipped with air inlet 11 and air outlet 12, into
Air port 11 is equipped with blast pipe 13, and air outlet 12 is equipped with discharge pipe 15, axial flow blower 14 is equipped in blast pipe 13.Lower part in babinet 10
For collecting chamber 16,10 lower end of babinet is equipped with the discharge nozzle 17 being connected to collecting chamber 16.10 upper end of babinet is equipped with cold water storage cistern 20, cold water
20 upper end of case is equipped with boiler 21, and water-changing tube road 22 has been respectively communicated on boiler 21 and cold water storage cistern 20；Babinet 10 is internally provided with
More condenser pipes 23, condenser pipe 23 include the outer tube 24 being connected to cold water storage cistern 20 and the inner tube 25 being connected to boiler 21, inner tube
25 lower end is connected to outer tube 24；
23 upper end of condenser pipe is fixed with bearing 26, and 26 external stability of bearing is connected with first gear 27, adjacent condenser pipe 23
First gear 27 be intermeshed so that first gear 27 passes through bearing 26 and condenser pipe 23 and is rotatablely connected.Outside condenser pipe 23
It is arranged with spiral floating rule 30, floating rule 30 is made of elastic material, and floating rule 30 can be selected elastic rubber and be made in the present embodiment,
Floating rule 30 is bonded with 23 outside of condenser pipe, and upper end and the first gear 27 of floating rule 30 are fixed, and the lower part of floating rule 30 is equipped with magnetic patch 31,
When 10 lower end of babinet is internally provided with energization with the attracting electromagnet 32 of magnetic patch 31.Rotation is equipped with strut 40, strut 40 on babinet 10
Lower end is located in babinet 10, and 40 lower end of strut is equipped with the second gear 41 engaged with first gear 27, and strut 40 passes through babinet 10
Upper end, the upper end of strut 40 are located at the outside of babinet 10, and the upper end of strut 40 is connected with the bent axle 42 coaxial with strut 40.
Cold water storage cistern 20 and boiler 21 are all provided with fluted close to the side of strut 40, and groove inner wall is heat-conducting plate, cold water storage cistern
It is embedded with the first gas tank 50 in 20 groove, 50 interior sealing of the first gas tank slidably connects first piston 51, on first piston 51
It is hinged with the first stopper rod 52, the first stopper rod 52 is rotatablely connected perpendicular to strut 40 and with the bending part of bent axle 42；Boiler 21
Groove in be embedded with the second gas tank 53,53 interior sealing of the second gas tank slidably connects second piston 54, is cut with scissors in second piston 54
It is connected to the second stopper rod 55, the second stopper rod 55 turns perpendicular to strut 40 and on bent axle 42 and bending part that first piston 51 is adjacent
Dynamic connection.First gas tank 50 and the second gas tank 53 are made of Heat Conduction Material, and phase is equipped between the first gas tank 50 and the second gas tank 53
Intercommunicated ventilation pipe 56, filled with gas in the first gas tank 50, the second gas tank 53 and ventilation pipe 56, gas in the present embodiment
It is preferred that using helium.
High-temperature flue gas needs, using before dry cloth bag formula dedusting, cooling processing to be carried out to it using the present apparatus.The present apparatus
Before use, condensed water can be passed through by water-changing tube road 22 into cold water storage cistern 20, condensed water will enter condenser pipe by outer tube 24
In 23, high-temperature flue gas can be introduced at this time from air inlet 11 in babinet 10 by axial flow blower 14 through air inlet pipe, high-temperature flue gas is logical
The condensation cooling of condenser pipe 23 is crossed, and is discharged from air outlet 12 through discharge pipe 15.During the use of the present apparatus, it can lead to
It crosses water-changing tube road 22 to continue to be passed through cold water into cold water storage cistern 20, so that there is cold water logical in the outer tube 24 of condenser pipe 23 always
Enter, ensures condensation of the condenser pipe 23 to high-temperature flue gas；Hot water is extracted out from boiler 21 by water-changing tube road 22 simultaneously, by
It is connected to outer tube 24 in the bottom of inner tube 25, the condensed water in outer tube 24 to high-temperature flue gas by cooling processing, temperature increases warp
Inner tube 25 is extracted into boiler 21 so that hot water or cold water constant flow in the present apparatus ensures to hold in condenser pipe 23
It is continuous to there is cold water to enter hot water extraction, and then ensure that cooling-down effect of the condenser pipe 23 to high-temperature flue gas.
For condensed water in the flow process of the present apparatus, boiler 21 will enter the hot water for absorbing high-temperature flue gas heat,
Cold water storage cistern 20 will enter the cold water for not passing in and out cooling processing to high-temperature flue gas also.Since cold water storage cistern 20 is close to the side of strut 40
Equipped with the first gas tank 50 is embedded with, the side of the close strut 40 of boiler 21 is embedded with the second gas tank 53, the first gas tank 50,
Filled with gas in two gas tanks 53 and ventilation pipe 56；The gas of first gas tank 50 will by the cold water continued down of cold water storage cistern 20,
Gas in second gas tank 53 will be by the hot water continuous heating of boiler 21.Since 50 interior sealing of the first gas tank slidably connects
First piston 51, is hinged with the first stopper rod 52 on first piston 51, and the first stopper rod 52 is perpendicular to strut 40 and curved with bent axle 42
Bent portions are rotatablely connected；Second gas tank, 53 interior sealing slidably connects second piston 54, and the second plug is hinged in second piston 54
Bar 55, the second stopper rod 55 are rotatablely connected perpendicular to strut 40 and on bent axle 42 and bending part that first piston 51 is adjacent；The
Interconnected ventilation pipe 56 is equipped between one gas tank 50 and the second gas tank 53；Under the action of stirling generator principle,
Gas cooling in first gas tank 50 is shunk, it will so that first piston 51 is moved into the first gas tank 50, to make the first stopper rod
52 move, and the first stopper rod 52 will pull bent axle 42 to rotate；Gas heating expansion in second gas tank 53, it will make second
Piston 54 is moved into the second gas tank 53, and to make the second stopper rod 55 move, the second stopper rod 55 will push 42 turns of bent axle
It is dynamic；In above process, the gas in the gas and the second gas tank 53 in the first gas tank 50 will be flowed by venting channels, together
When bent axle 42 under the action of 51 bar of first piston and 54 bar of second piston, it will lasting rotation.
Bent axle 42 persistently rotates, and strut 40 is driven persistently to rotate, and the second gear 41 of 40 lower end of strut rotates, second gear
41 will drive first gear 27 to rotate；The first gear 27 of adjacent condenser pipe 23 is intermeshed, then makes all first gears
27 rotations.First gear 27 is fitted in the floating rule 30 outside condenser pipe 23 and rotates therewith, floating rule 30 twist covers in rotation
It sets in the outside of condenser pipe 23, the rotation of floating rule 30 can scrape the surface of condenser pipe 23.The present apparatus in use, can
It is allowed to generate suction-operated to magnetic patch 31 to the energization of electromagnet 32 every a period of time, magnetic patch 31 is under the suction-operated of electromagnet 32
It will move down, to make floating rule 30 move down, floating rule 30 is also rotating simultaneously, may make that floating rule 30 is comprehensive to condenser pipe 23 clear
Reason.During present apparatus use, the cooling that high-temperature flue gas carries out is made due to carrying dust in high-temperature flue gas, and in condenser pipe 23
It is used in, dust will be covered in the outer wall of condenser pipe 23, and floating rule 30 can scrape the dust for being covered in 23 outer wall of condenser pipe, dust
It will fall in collecting box, processing may be recovered by discharge nozzle 17.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented
Effect and patent practicability.
Claims (6)
1. temperature flue gas cooling device, which is characterized in that including babinet, the babinet is equipped with air inlet and air outlet, in babinet
Lower part is collecting chamber, and the babinet lower end is equipped with the discharge nozzle being connected to collecting chamber；Babinet upper end is equipped with cold water storage cistern, the cold water
Case upper end is equipped with boiler, and water-changing tube road has been respectively communicated on boiler and cold water storage cistern；Box house is equipped with more condenser pipes, institute
It includes the outer tube being connected to cold water storage cistern and the inner tube that is connected to boiler to state condenser pipe, and the lower end of said inner tube is connected to outer tube；
The condenser pipe upper end is rotatably connected to first gear, and condenser pipe outer cover is equipped with spiral floating rule, floating rule and condensation
Fitting, upper end and the first gear of floating rule are fixed outside pipe, the first gear intermeshing of adjacent condenser pipe；Turn on the babinet
Dynamic to be equipped with strut, the strut lower end is located in babinet, and strut lower end is equipped with the second gear engaged with first gear, the branch
Bar passes through babinet upper end, the upper end of strut to be located at the outside of babinet, and the upper end of strut is connected with the bent axle coaxial with strut；
The cold water storage cistern is equipped with close to the side of strut and is embedded with the first gas tank, and the first gas tank interior sealing slidably connects the first work
It fills in, the first stopper rod, bending part rotation connection of first stopper rod perpendicular to strut and with bent axle is hinged on first piston；It is described
The side of the close strut of boiler is embedded with the second gas tank, and the second gas tank interior sealing slidably connects second piston, and second lives
It is hinged with the second stopper rod beyond the Great Wall, the second stopper rod is perpendicular to strut and rotates and connects on bent axle and bending part that first piston is adjacent
It connects；Interconnected ventilation pipe, first gas tank, the second gas tank and snorkel are equipped between first gas tank and the second gas tank
Filled with gas in road.
2. temperature flue gas cooling device as described in claim 1, which is characterized in that the floating rule is made of elastic material, scrapes
The lower part of bar is equipped with magnetic patch, when babinet lower end is internally provided with energization with the attracting electromagnet of magnetic patch.
3. temperature flue gas cooling device as described in claim 1, which is characterized in that the air inlet is equipped with blast pipe, described
Air outlet is equipped with discharge pipe, and axial flow blower is equipped in the blast pipe.
4. temperature flue gas cooling device as described in claim 1, which is characterized in that the cold water storage cistern and boiler are equipped with recessed
Slot, groove inner wall are heat-conducting plate, and the first gas tank and the second gas tank are made of Heat Conduction Material, and the first gas tank is sticked in the recessed of cold water storage cistern
In slot, the second gas tank is sticked in the groove of boiler.
5. temperature flue gas cooling device according to any one of claims 1-4, which is characterized in that first gas tank, second
Filled with helium in gas tank ventilation pipe.
6. temperature flue gas cooling device as claimed in claim 5, which is characterized in that the condenser pipe external stability has bearing,
The first gear is rotatablely connected by bearing and condenser pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553086.9A CN108731532B (en) | 2018-05-31 | 2018-05-31 | High-temperature flue gas cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553086.9A CN108731532B (en) | 2018-05-31 | 2018-05-31 | High-temperature flue gas cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108731532A true CN108731532A (en) | 2018-11-02 |
| CN108731532B CN108731532B (en) | 2019-12-31 |
Family
ID=63931411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810553086.9A Active CN108731532B (en) | 2018-05-31 | 2018-05-31 | High-temperature flue gas cooling device |
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| Country | Link |
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| CN (1) | CN108731532B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116116356A (en) * | 2023-02-22 | 2023-05-16 | 安徽瑞柏新材料有限公司 | Evaporation equipment with heat recovery function for formaldehyde production |
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| EP3246652A1 (en) * | 2016-05-18 | 2017-11-22 | ÖKOFEN Forschungs- und Entwicklungsgesellschaft m.b.H. | Heating device |
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| CN1864002A (en) * | 2003-10-01 | 2006-11-15 | 丰田自动车株式会社 | Waste heat recovery device |
| CN201246230Y (en) * | 2008-08-18 | 2009-05-27 | 占小玲 | Water hydrogen making multiple-fuel external combustion air engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116116356A (en) * | 2023-02-22 | 2023-05-16 | 安徽瑞柏新材料有限公司 | Evaporation equipment with heat recovery function for formaldehyde production |
| CN116116356B (en) * | 2023-02-22 | 2023-09-19 | 安徽瑞柏新材料有限公司 | Evaporation equipment with heat recovery function for formaldehyde production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108731532B (en) | 2019-12-31 |
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