CN110925729A - Gas steam engine heat exchanger combining fin plate structure and flat tube structure - Google Patents
Gas steam engine heat exchanger combining fin plate structure and flat tube structure Download PDFInfo
- Publication number
- CN110925729A CN110925729A CN201911416776.0A CN201911416776A CN110925729A CN 110925729 A CN110925729 A CN 110925729A CN 201911416776 A CN201911416776 A CN 201911416776A CN 110925729 A CN110925729 A CN 110925729A
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- Prior art keywords
- smoke
- box body
- flat
- water area
- hot water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 238000002485 combustion reaction Methods 0.000 claims abstract description 51
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003546 flue gas Substances 0.000 claims abstract description 26
- 239000007789 gas Substances 0.000 claims abstract description 23
- 239000000779 smoke Substances 0.000 claims description 92
- 241000208125 Nicotiana Species 0.000 claims description 11
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 11
- 206010022000 influenza Diseases 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements or dispositions of combustion apparatus
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the field of commercial kitchen utensils, in particular to a gas steam engine heat exchanger combining a finned plate structure and a flat tube structure, wherein a heat exchanger box body comprises a box body hot water area and a box body cold water area, a bottom plate of the box body hot water area is a finned plate, fins are arranged on the bottom surface of the finned plate, the flue gas outlet ends of flat flue tubes with certain inclination angles of the finned plate are in welded communication with a flue gas converging pipe, the flat flue tubes are rectangular tubes which are long in the vertical direction and short in the left and right directions, a plurality of flat flue tubes are arranged in a straight line at a certain interval in the left and right directions, and the space between adjacent flue tubes and the space above and below the flue tubes are heat exchange water bodies, so that a matched burner is favorable for organizing gas to carry out complete and sufficient combustion reaction, the generated flue gas is favorably discharged smoothly, the high-temperature flue gas heat and.
Description
Technical Field
The invention relates to the field of commercial kitchen utensils, in particular to a gas steam engine heat exchanger combining a finned plate structure and a flat tube structure.
Background
Commercial gas steam engine core subassembly includes combustor and heat exchanger, and the combustor organizes gas and air mixed combustion release heat, and the heat exchanger absorbs the heat that utilizes the gas combustion release. The smoke emission modes are divided into three types: firstly, the air pressure of the blast type burner is utilized to promote the smoke emission, secondly, the smoke discharge is promoted at the smoke outlet of the steam engine by utilizing the negative pressure and strong suction of the air inlet of the air blower, and thirdly, the chimney is arranged, and the smoke discharge is promoted by the drawing action formed by the rising of hot gas. The steam engine which uses the blast type burner and the blower to forcibly discharge smoke is not beneficial to the long-term stable operation of the motor and the electronic control component because the temperature of the internal working environment of the steam engine is usually higher, so that the fault rate is higher, and the production, use and maintenance costs are higher; the invention provides a high-efficiency steam engine heat exchanger which is provided with a chimney, can promote smoke emission by forming a drawing action by means of hot gas rising and combines a fin plate heat exchange structure and a flat tube heat exchange structure.
Disclosure of Invention
The invention mainly solves the technical problem that the heat exchanger structure and the heat exchange efficiency of the existing steam engine product are generally low, and provides a high-efficiency steam engine heat exchanger which is provided with a chimney, promotes smoke emission by means of the extraction action formed by rising hot gas and combines a fin plate heat exchange structure and a flat tube heat exchange structure.
The invention comprises a fin plate, fins, a flat smoke tube, a smoke converging tube, a smoke outlet, a chimney, a box hot water area, a steam outlet, a box cold water area, a cold water inlet, a burner, a combustion chamber front surrounding plate, a combustion chamber lower surrounding plate, a combustion chamber side surrounding plate, a secondary air guide plate and a smoke transfer chamber. The heat exchanger is characterized in that a heat exchanger box body comprises a box body hot water area and a box body cold water area, a bottom plate of the box body hot water area is a fin plate, fins are arranged on the bottom surface of the fin plate, a combustion chamber is arranged below one side of the bottom surface of the fin plate provided with the fins, a heat exchange water body is arranged above the fin plate, the fin plate is at a certain inclination angle, the side with the high inclination angle is upwards connected with a front panel of the box body hot water area, the side with the low inclination angle is downwards connected with a front panel of the box body cold water area, a flat smoke tube connecting port is arranged on the front panel of the hot water area, flat smoke tubes are arranged in the heat exchange water body of the box body of the hot water area, the smoke inlet ends of the flat smoke tubes are welded with a flat smoke tube connecting port arranged on the front panel of the hot water area, the smoke outlet ends of the flat smoke tubes are welded and communicated with a smoke converging tube, the flat smoke tubes are rectangular tubes which, the two ends of the internal channel of the smoke pipe are respectively communicated with the smoke transfer chamber and the smoke converging pipe, the upper end of the smoke converging pipe is a smoke exhaust pipe which is inwardly closed, the upper end head of the smoke exhaust pipe extends out of the upper panel of the hot water area of the box body, and the extending part of the upper end head of the smoke exhaust pipe is spliced with a chimney; the front of the front panel of the hot water area of the box body is a front coaming of a combustion chamber, the space between the front panel of the hot water area of the box body and the front coaming of the combustion chamber is a flue gas transfer chamber, the lower side of the coaming of the combustion chamber is connected with the front end of a bottom coaming of the combustion chamber, the rear end of the lower coaming of the combustion chamber is a secondary air guide plate, the space between the secondary air guide plate and the front panel of the cold water area of the box body is a burner installation area, and the left end and the right end of;
flue gas generated by gas combustion flows forwards and upwards from the combustion chamber through the flues between the fins of the fin plates, changes direction through the flue gas transfer chamber, flows into the flat smoke tube, flows into the flue gas converging tube from the outlet of the flat smoke tube, flows out of the hot water area box body through the smoke outlet, and is discharged from a chimney inserted outside the hot water area box body; because the invention adopts the compound heat exchange structure that the fin plate is arranged outside the water body and the flat smoke tube is arranged inside the water body, the high-temperature heat in the combustion flame is absorbed by the combustion chamber of the fins of the fin plate outside the water body, the heat is transferred to the water body in the box body through the metal conduction of the fin plate, the completeness and the high efficiency of the gas combustion reaction process can be ensured to the maximum extent, but also can reduce the gas flow resistance to the maximum extent, reduce the heat exchange burden for the flat smoke tube arranged in the water body to absorb and utilize the residual low-temperature heat in the smoke, meanwhile, the optimal conditions are created for setting the flow resistance of the flat smoke tube, the heat exchange area and the heat exchange stroke of the flat smoke tube can be maximized within the range of the normal smoke discharge conditions, the contradiction between the flow resistance of the smoke and the heat exchange area and the heat exchange stroke is well solved, the heat absorption utilization rate is obviously improved while the heat is released by ensuring the full combustion of the fuel gas. The fin plate is at a certain inclination angle, the combustion flame and the high-temperature flue gas flow towards the front upper part, the circulation resistance can be reduced, and meanwhile, the scale generated in the water body inside the fin plate can also fall down towards the cold water area of the box body behind the lower part along the inclination angle, thereby being beneficial to the comprehensive and concentrated discharge of the scale. Adopt flat tobacco pipe heat transfer structure purpose maximize when increasing effective heat transfer area and reduce the surface area of flat tobacco pipe up end in the horizontal direction, correspondingly widen the distance between the flat tobacco pipe, can effectively alleviate the incrustation scale and persist the probability on flat tobacco pipe surface, be favorable to the steam that produces simultaneously upwards to flow out from the gap in the middle of the adjacent flat tobacco pipe, have the benefit to the stability and the durability of steam engine operation.
The combustor which utilizes the combination of a plurality of fire dividing heads and the combustion bowl on the tray to do work has the advantages that:
the burner is favorable for the complete and sufficient combustion reaction of the gas, the smooth discharge of the generated smoke, the more sufficient absorption and utilization of the high-temperature smoke heat and the low-temperature smoke heat, and the smooth and concentrated discharge of water scale.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of a gas steam engine heat exchanger in which a fin plate structure and a flat tube structure are combined according to the present invention.
In the figure: a combustion chamber 1; a fin plate 2; a flat smoke tube 3; a flue gas converging pipe 4; a smoke outlet 5; a chimney 6; a box hot water area 7; a steam outlet 8; a tank cold water zone 9; a burner 10; a combustion chamber dash panel 11-1; a lower coaming 11-2 of the combustion chamber; a side wall 11-3 of the combustion chamber; a secondary air deflector 12; a cold water inlet 13 of the flue gas transfer chamber; a scale discharge port 14; a combustion chamber 15; a flue gas transit chamber 16; a flue gas flow path 17.
Detailed Description
The present invention relates to a heat exchange structure of a gas steam engine, and more particularly, to a heat exchanger of a gas steam engine, which combines a fin plate structure and a flat tube structure, and includes a fin plate 2, a flat smoke tube 3, a smoke converging tube 4, a smoke outlet 5, a chimney 6, a box hot water region 7, a steam outlet 8, a box cold water region 9, a cold water inlet 13, a burner 10, a front wall plate 11-1 of a combustion chamber, a lower wall plate 11-2 of the combustion chamber, a side wall plate 11-3 of the combustion chamber, a secondary air guide plate 12, and a smoke transit chamber 16. The heat exchanger is characterized in that a heat exchanger box body comprises a box body hot water area 7 and a box body cold water area 9, a bottom plate of the box body hot water area 7 is a fin plate 2, fins 2-1 are arranged on the bottom surface of the fin plate 2, a combustion chamber is arranged below one side of the bottom surface of the fin plate 2 provided with the fins, a heat exchange water body is arranged above the fin plate, the fin plate 2 is at a certain inclination angle, the side with the high inclination angle is upwards connected with a front panel of the box body hot water area 7, the side with the low inclination angle is downwards connected with a front panel of the box body cold water area 9, the front panel of the hot water area is provided with a flat smoke tube connector, a flat smoke tube 3 is arranged in the heat exchange water body of the box body hot water area 7, a smoke inlet end of the flat smoke tube 3 is welded with a flat smoke tube arranged on the front panel of the hot water area, a smoke outlet end of the flat smoke tube is welded and communicated with the smoke tube connector 4, the space between the adjacent flat smoke tubes 3 and the upper and lower spaces of the smoke tubes are both heat exchange water bodies, two ends of an internal channel of each flat smoke tube 3 are respectively communicated with the smoke transfer chamber 16 and the smoke converging tube 4, the upper end of the smoke converging tube 4 is a smoke discharge tube which is inwardly closed, the upper end of the smoke discharge tube extends out of the upper panel of the hot water area 7 of the box body, and the extending part of the upper end of the smoke discharge tube is spliced with the chimney 6; the front surface of the front panel of the box hot water area 7 is provided with a front wall plate 11-1 of a combustion chamber, the space between the front panel of the box hot water area and the front wall plate 11-1 of the combustion chamber is provided with a flue gas transfer chamber 16, the lower surface of the front wall plate 11-1 of the combustion chamber is connected with the front end of a lower wall plate 11-2 of the combustion chamber, the rear end of the lower wall plate 11-2 of the combustion chamber is provided with a secondary air guide plate 12, the space between the secondary air guide plate 12 and the front panel of the box cold water area 9 is provided with a combustor placing area, and the left end and the right end of the combustor placing. Flue gas generated by gas combustion flows upwards from the combustion chamber through a flue between fins 2-1 of the fin plate 2, changes direction through a flue gas transfer chamber 16, flows into the flat smoke tube 3, flows into a flue gas converging pipe 4 from an outlet of the flat smoke tube 3, flows out of a box hot water area 7 through a smoke outlet, and is discharged from a chimney 6 inserted outside the box hot water area 7; because the invention adopts the compound heat exchange structure that the fin plate 2 is combined outside the water body and the flat smoke tube 3 is combined inside the water body, the combustion chamber of the fin plate 2 outside the water body is used for absorbing high-temperature heat in combustion flame, the heat is transferred to the water body inside the box body through the metal conduction of the fin plate 2, the completeness and the high efficiency of the combustion reaction process of the gas can be ensured to the maximum, the gas circulation resistance can be reduced to the maximum, the heat exchange burden is lightened by absorbing and utilizing the residual low-temperature heat in the smoke for the flat smoke tube 3 arranged inside the water body, the optimum condition is created for setting the circulation resistance for the flat smoke tube 3, the heat exchange area and the heat exchange stroke of the flat smoke tube 3 can be maximized within the normal condition range of smoke emission, the contradiction between the smoke circulation resistance and the heat exchange area and the heat exchange stroke is solved well, the heat is released while the full combustion of the gas, The heat absorption utilization rate is obviously improved. The fin plate 2 is at a certain inclination angle, the combustion flame and the high-temperature flue gas flow towards the front upper part, the circulation resistance can be reduced, and meanwhile, the scale generated in the water body inside the fin plate 2 can also fall down towards the box cold water area 9 at the rear lower part along the inclination angle, so that the comprehensive and concentrated discharge of the scale is facilitated. Adopt flat tobacco pipe to trade 3 thermal structure purposes maximize when increasing effective heat transfer area and reduce the surface area of flat tobacco pipe 3 up end in the horizontal direction, correspondingly widen the distance between the flat tobacco pipe, can effectively alleviate the incrustation scale and persist the probability on flat tobacco pipe 3 surface, be favorable to the steam that produces to flow out from the gap upwards in the middle of the adjacent flat tobacco pipe simultaneously, have the benefit to the stability and the durability of steam engine operation.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which are made by those skilled in the art are also within the scope of the present invention.
Claims (1)
1. Gas steam engine heat exchanger with fin plate structure and flat tubular construction phase combination, join pipe, exhaust port, chimney, box hot water district, steam outlet, box cold water district, combustor, preceding bounding wall, the lower bounding wall of combustor, combustor side bounding wall, secondary air guide plate, flue gas transfer chamber cold water inlet, incrustation scale discharge port, combustor, flue gas transfer chamber and flue gas flow path, its characterized in that including combustion chamber, fin plate, flat tobacco pipe, flue gas: the heat exchanger box body comprises a box body hot water area and a box body cold water area, a bottom plate of the box body hot water area is a fin plate, a fin is arranged on the bottom surface of the fin plate, a combustion chamber is arranged below one side of the bottom surface of the fin plate provided with the fin, a heat exchange water body is arranged above the fin plate, the fin plate is at a certain inclination angle, the side with the high inclination angle is upwards connected with a front panel of the box body hot water area, the side with the low inclination angle is downwards connected with a front panel of the box body cold water area, the front panel of the hot water area is provided with a flat smoke tube connector, a flat smoke tube is arranged in the heat exchange water body of the box body of the hot water area, and the smoke inlet;
the smoke outlet end of each flat smoke tube is welded and communicated with a smoke converging tube, each flat smoke tube is a rectangular tube which is long in the vertical direction and short in the left and right directions, a plurality of flat smoke tubes are arranged in a straight line at a certain interval in the left and right directions, the space between every two adjacent smoke tubes and the upper and lower spaces of the smoke tubes are both heat exchange water bodies, two ends of an internal channel of each smoke tube are respectively communicated with a smoke transfer chamber and the smoke converging tube, the upper end of each smoke converging tube is a smoke discharging tube which is inwardly closed, the upper end of each smoke discharging tube extends out of an upper panel of a hot water area of the box body, and the extending part of; the front of the front panel of the hot water area of the box body is a front coaming of a combustion chamber, the space between the front panel of the hot water area of the box body and the front coaming of the combustion chamber is a flue gas transfer chamber, the lower side of the coaming of the combustion chamber is connected with the front end of a bottom coaming of the combustion chamber, the rear end of the lower coaming of the combustion chamber is a secondary air guide plate, the space between the secondary air guide plate and the front panel of the cold water area of the box body is a burner installation area, and the left end and the right end of; the flue gas generated by gas combustion flows from the combustion chamber to the front upper part through the flues between the fins of the fin plates, changes the direction through the flue gas transfer chamber, flows into the flat smoke tube, flows into the flue gas converging tube from the outlet of the flat smoke tube, flows out of the hot water area box body through the exhaust port, and is discharged from a chimney inserted outside the hot water area box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911416776.0A CN110925729A (en) | 2019-12-31 | 2019-12-31 | Gas steam engine heat exchanger combining fin plate structure and flat tube structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911416776.0A CN110925729A (en) | 2019-12-31 | 2019-12-31 | Gas steam engine heat exchanger combining fin plate structure and flat tube structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110925729A true CN110925729A (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911416776.0A Pending CN110925729A (en) | 2019-12-31 | 2019-12-31 | Gas steam engine heat exchanger combining fin plate structure and flat tube structure |
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| Country | Link |
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| CN (1) | CN110925729A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587679A (en) * | 2021-07-28 | 2021-11-02 | 云南航天工业有限公司 | High-efficient heat transfer device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278899A (en) * | 2011-05-30 | 2011-12-14 | 广州迪森家用锅炉制造有限公司 | Finned tube type main heat exchanger for fuel gas heating water heater and manufacturing method thereof |
| CN102901221A (en) * | 2012-09-21 | 2013-01-30 | 苏州成强换热器有限公司 | Forced finned straight pipe condensation heat-supply heat exchanger |
| CN103727673A (en) * | 2013-12-27 | 2014-04-16 | 卓朝旦 | Flow variable and temperature regulated water pipe system of gas water heater |
| CN109373301A (en) * | 2018-11-30 | 2019-02-22 | 江苏德克沃热力设备有限公司 | A kind of heat-exchange unit of modularization steam generating equipment |
| CN211399739U (en) * | 2019-12-31 | 2020-09-01 | 浙江惠厨节能科技有限公司 | Gas steam engine heat exchanger combining fin plate structure and flat tube structure |
-
2019
- 2019-12-31 CN CN201911416776.0A patent/CN110925729A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278899A (en) * | 2011-05-30 | 2011-12-14 | 广州迪森家用锅炉制造有限公司 | Finned tube type main heat exchanger for fuel gas heating water heater and manufacturing method thereof |
| CN102901221A (en) * | 2012-09-21 | 2013-01-30 | 苏州成强换热器有限公司 | Forced finned straight pipe condensation heat-supply heat exchanger |
| CN103727673A (en) * | 2013-12-27 | 2014-04-16 | 卓朝旦 | Flow variable and temperature regulated water pipe system of gas water heater |
| CN109373301A (en) * | 2018-11-30 | 2019-02-22 | 江苏德克沃热力设备有限公司 | A kind of heat-exchange unit of modularization steam generating equipment |
| CN211399739U (en) * | 2019-12-31 | 2020-09-01 | 浙江惠厨节能科技有限公司 | Gas steam engine heat exchanger combining fin plate structure and flat tube structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587679A (en) * | 2021-07-28 | 2021-11-02 | 云南航天工业有限公司 | High-efficient heat transfer device |
| CN113587679B (en) * | 2021-07-28 | 2024-04-30 | 云南航天工业有限公司 | Efficient heat exchange device |
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