CN100430666C - Multipurpose direct flow pipe shielded heat carrier boiler - Google Patents
Multipurpose direct flow pipe shielded heat carrier boiler Download PDFInfo
- Publication number
- CN100430666C CN100430666C CNB2006101175865A CN200610117586A CN100430666C CN 100430666 C CN100430666 C CN 100430666C CN B2006101175865 A CNB2006101175865 A CN B2006101175865A CN 200610117586 A CN200610117586 A CN 200610117586A CN 100430666 C CN100430666 C CN 100430666C
- Authority
- CN
- China
- Prior art keywords
- heat carrier
- tube panel
- boiler
- flow
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The multipurpose direct flow pipe plate type heat carrier boiler can realize the turbulent flow, circulation and flow speed control of heat carrier, the lateral flushing to heat releasing pipes and other uses, and has obviously increased heat transfer coefficient and heat transfer area, greatly improved heat transfer condition, effective prevention of overheat and cracking of heat carrier, carbon deposit, coking and electric heating element damage, and convenient boiler cleaning and maintenance. The heat carrier boiler has cylindrical kettle, and spiral flow channels comprising pipe plate barrel, partition boards, pipe plate and cylinder, with the flow channels being connected serially or in parallel. The heat carrier is forced to flow inside the flow channels for heat exchange. The heat carrier boiler can bear pressure and may be vertical or horizontal, and the technology of the present invention is especially suitable for indirect resistive boiler with organic heat carrier, direct flow hot water boiler, etc.
Description
Technical field
The invention belongs to a kind of boiler plant of thermal power transfer, relate in particular to and to realize forcing direct current to flow and the thermal medium boiler of transversal flow heating tube.
Background technology
At present, known resistance-type boiler of organic heat carrier adopts the pan shell type body construction, belongs to the positive displacement boiler.Flowing of organic heat carrier in its body of this structure is Natural Circulation basically, flow velocity is extremely low, can not get effective circulation, after being heated, can't cool off fast the outer wall boundary layer oil film of heating tube, the oil film duty is very poor, the cooling capacity of adding organic heat carrier (conduction oil) is far below water, so be easy to cause that heat carrier is overheated, cracking and in heating tube outer wall carbon distribution, coking.Cause thus that conduction oil is rotten to be scrapped, heating can not get due cooling to be made traffic overload and fuses, and can cause also when serious that sleeve pipe splits cruelly and causes big fire.The arrangement of the smoke pipe of the sleeve pipe arrangement of this boiler and pan shell type fuel oil (gas) boiler is about the same in addition, is positive triangle arrangement, in case occur carbon distribution, coking extremely difficulty clean.
Summary of the invention
The deficiency that the organic heat carrier flow velocity is low excessively, heating tube can not get reliable cooling, the easy carbon distribution coking of heat carrier in order to overcome existing pan shell type boiler of organic heat carrier the invention provides a kind of direct flow pipe shielded heat carrier boiler.This boiler adopts tube panel and the flat annular baffle of multilayer to constitute helical form direct current runner, not only realized effective control of the forced flow circulation of heat carrier and flow velocity and heat carrier transversal flow to heat-transfer pipe, and expanded heat transfer area significantly, thereby effectively avoided the generation of aforementioned disadvantages, also realized multipurposeization.
The present invention adopts following scheme to realize:
A kind of multipurpose direct flow pipe shielded heat carrier boiler, it is characterized in that, described boiler comprises columniform inner barrel 2, outer cylinder body 5 and is positioned at the tube panel of one deck at least between inside and outside cylindrical shell, every layer of tube panel is by surrounding cylindric tube panel with the sleeve pipe 3 of cylindrical shell axially parallel and fin 6 welding that are connected adjacent two sleeve pipes 3, on greater than 3/4 tube panel cross section, sleeve pipe 3 is evenly arranged evenly, on less than 1/4 tube panel cross section sleeve pipe 3 is not set, and the fin 6 that the sleeve pipe place is not set is called annular riser 8; Electrothermal tube 1 is set in the every sleeve pipe 3, and the two ends of sleeve pipe 3 are fixed with the upper perforated plate 4a and the lower perforated plate 4b of annular respectively, and inner barrel 2 will be gone up lower perforated plate with outer cylinder body 5 and be connected; Last, between the lower perforated plate, along tube panel the flat ring of multilayer dividing plate 9 is set vertically axially, every layer of flat ring dividing plate is the fanning strip greater than 3/4 tube panel cross section, arc length along arc riser 8 is the flat breach that encircles dividing plate 9, one end of the breach of flat ring dividing plate 9 used less than the fan-shaped connecting plate 7 of 1/4 tube panel cross section be connected with the other end of the adjacent flat ring of one deck dividing plate 9 successively, the breach end of the superiors and undermost flat ring dividing plate 9, by fan-shaped connecting plate 7 respectively with last, lower perforated plate links to each other, thereby by tube panel and inside and outside cylindrical shell, tube panel and tube panel, and tube panel, cylindrical shell forms from the inside to the outside with flat ring dividing plate and last lower perforated plate, along the tube panel axial screw around continuous runner; At the position of lower perforated plate 4b between inner barrel 2 and innermost layer tube panel, one heat carrier import 11 is set, one heating medium outlet 12 is set on outer cylinder body 5, press the mobile direction of heat carrier from the inside to the outside, on the arc riser of every laminar flow road end, offer a heat carrier through hole 10, make heat carrier side runner outside interior side runner flows into.
The above-mentioned heating medium outlet 12 that is arranged on the outer cylinder body 5, its position is in the end of outer cylinder body 5 with the mobile direction of heat carrier of runner that adjacent tube panel constitutes.
Above-mentioned fan-shaped connecting plate 7 is spiral helicine fan-shaped connecting plate.
Body adopts the tube panel structure.Different with existing coal-burning boiler panelized-tube-wall section, this tube panel surrounds tubular.Can arrange a plurality of such tube panel cylindrical shells according to the thermal power needs, two pipe ends are fixed with annular tubesheet, place electrical bar in the pipe as thermal source.Along the flat annular baffle of the axial arranged multilayer of tube panel, (sleeve pipe runs through every layer of flat ring dividing plate), tube panel is the most inboard to be coupled together the two ends tube sheet with the plate cylindrical shell with outermost according to heat carrier flow velocity, traffic requirement.Surrounded and the axial vertical annular runner of tube panel by tube panel and tube panel (or plate cylindrical shell) and dividing plate (or tube sheet) like this.Flat ring dividing plate is the fan-shaped ring flat-plate greater than 3/4 tube panel cross section, the dividing plate indentation, there is not provided with pipe, each dividing plate breach two ends uses the fanning strip (preferably spiral plate) less than 1/4 tube panel cross section to link to each other in twos with adjacent dividing plate head and the tail, thereby has axially formed the plurality of continuous runner along tube panel.Heat carrier flows (flow resistance is littler than flowing from outside to inside) from inside to outside, perforate on the arc riser of each runner terminal tube panel, and all runners just form a series connection runner.Also can be designed to parallel as required, when in parallel, upper and lower tube sheet locates to open respectively heating medium inlet and heating medium outlet between each runner, and use header (pipe) that it is gathered for whole (for avoiding causing heating surface loading inequality by importing and exporting the heat carrier temperature difference respectively, can the valve conversion control device be set in the boiler pipe system, regularly make import and export exchange the role).Realized that thus heat carrier makes the direct current of the flow velocity that meet GB GB/T17410 defined vertical with tube panel and flow in runner, continuous transverse is washing away tube panel, accepts the radiation heat release and the heat convection of thermal source.
The present invention is particularly suitable for as resistance indirect heating type organic heat carrier furnace, and also can be used for water is hot water, the steam boiler of working medium.When water was made heat carrier, this device was exactly the direct current hot-water boiler, as long as and install steam-water separator additional and can make steam boiler.This device also can adopt the heating of oil, gas, and at this moment inner barrel is exactly burner hearth (combustion chamber), and heating tube is exactly the convection current smoke pipe, both center strile-back types, also two, three return-stroke types.This device also can be used as economizer, air preheater.If thermal source is not flame or electrical heating, this device has just become heat exchanger, and only this heat exchanger likeness in form shell-and-tube heat exchanger comes down to a kind of pipe pipe forced-convection heat transfer device.Beneficial effect
Compared with prior art, the present invention has following advantage:
1, knows that by Q=KA Δ t the size of heat convection amount Q depends on Coefficient K, driving force of heat transfer Δ t and heat transfer area A.Here Δ t is a definite value basically; Because transversal flow and variable cross-section flow and higher flow velocity, the flowing of heat carrier is that abundant turbulent flow, K are the twice of parallel baffled when flowing; Owing to be connected to become tube panel by fin between the heating muff and flat ring dividing plate has bigger expansion with making heat transfer area being connected of tube panel.So improved heat output significantly, thereby made heating, sleeve pipe be able to quick cooling, heat-transfer behavior greatly improves, also with regard to overheated, cracking, carbon distribution, coking and the heating surface loading overload of having avoided organic heat carrier effectively and fuse.
2, can control the flow and the flow velocity of fluid media (medium) by increasing and decreasing the flat spacing of encircling the quantity adjustment dividing plate of dividing plate.
3, because transversal flow and variable cross-section force direct current to flow, also be very easy to the cleaning and the maintenance of boiler.
4, this boiler is a tubular structure, but the pressure-bearing use all is suitable for drawing-in type and pouring-in system.
5, this boiler can vertical or horizontal placement, with vertical be good.
6, this boiler can also can install electrothermal tube additional from single head or two respectively according to the quantity and the length of thermal power needs increase and decrease tube panel.
7, can connect also can be in parallel for each runner of this boiler.
8, cause heating surface loading inequality for avoiding by importing and exporting the heat carrier temperature difference, can the valve conversion control device be set, import and export is changed mutually in the boiler pipe system.
9, multipurpose: the present invention is except can be used as resistance indirect heating type organic heat carrier furnace, and also can be used for water is hot water, the steam boiler of working medium, also can be used as economizer, air preheater; If do not adopt flame or electrical heating in the pipe but fluid media (medium), this device just can be used as heat exchanger.
Description of drawings
Fig. 1 is the structural representation of multipurpose direct flow pipe shielded heat carrier boiler.
Fig. 2 is the D-D generalized section of multipurpose direct flow pipe shielded heat carrier boiler.
1. electrothermal tubes among the figure, 2. inner barrel, 3. sleeve pipe, 4a. upper perforated plate, 4b. lower perforated plate, 5. outer cylinder body, 6. fin, 7. fan-shaped connecting plate, 8. arc riser, 9. flat ring dividing plate, 10. heat carrier through hole (heat carrier is side runner outside interior side runner enters), 11. heat carrier imports, 12. heating medium outlets.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
With reference to accompanying drawing 1,2, the boiler body profile is cylinder, the likeness in form shell boiler, but essence belongs to the tubular type direct current cooker.Body adopts the tube panel structure, and tube panel is welded in the boiler manufacture process by sleeve pipe 3 and fin 6.Two pipe ends are fixing with annular tubesheet 4, place electrothermal tube (rod) 1 in the pipe as thermal source.Two tube sheet 4a and 4b Internal and external cycle couple together with inner barrel 2, outer cylinder body 5 respectively, and according to heat carrier flow velocity, traffic requirement, along the flat annular baffle 9 of the axial arranged multilayer of tube panel, and it is end to end to put down ring dividing plate 9 adjacent layer two ends successively with fan-shaped connecting plate 7.So surrounded and the axial vertical plurality of continuous spiral ring runner of tube panel with tube sheet 4 by tube panel, inner barrel 2, outer cylinder body 5, flat ring dividing plate 9.Tube panel is counted difference, and runner quantity is also different.Three runners in China and foreign countries in present embodiment is made of with outer tube panel, outer tube panel and outer cylinder body 5 inner barrel 2 and interior tube panel, interior tube panel respectively.These runners can be designed to the serial or parallel connection formula as required.Present embodiment is a tandem, heat carrier enters first flow (side runner) by the heat carrier import 11 that is positioned on the lower perforated plate, it is moving to make counterclockwise spiral upper upstream at this runner, accept the radiation and the convection heat transfer of electrical bar 1, flow to top layer, opening a heat carrier through hole 10 on this layer terminal arc riser 8 is communicated with first and second runner, heat carrier flows into second runner (intermediate flow channel) through this hole 10, making clockwise spiral at this runner descends mobile, flow to orlop after being heated, also opening a heat carrier through hole 10 equally on this layer terminal arc riser 8 makes second to be communicated with the 3rd runner, heat carrier flows into the 3rd runner (outer side runner) through this heat carrier through hole 10, it is moving to make counterclockwise spiral upper upstream at this runner, flow to the superiors after being heated, and has finished whole heat transfer process after the heating medium outlet 12 on the outer cylinder body flows out outside the stove.But this stove pressure-bearing.
This device also can be made following purposes:
With reference to accompanying drawing 1,2, inner barrel 2 is as the combustion chamber, i.e. flue; Sleeve pipe 3 does not install electrical bar additional but as the smoke pipe of two (or three) backhaul.Heat carrier enters from heat carrier import 11, does to force direct current to flow, and flows out from heating medium outlet 12.Combustion flame changes smoke pipe (sleeve pipe 3) over to after the radiation heat release of flue (inner barrel 2), flue gas is behind the heat convection of two (or three) backhaul of smoke pipe and discharge out of the furnace.Thus, this device can be used as the body of fuel oil (gas) hot water, steam and boiler of organic heat carrier
With reference to accompanying drawing 1,2, when this device was installed on boiler tail, the flue gas of boiler was a heat medium, and boiler feedwater, combustion air are heated medium.Flue gas conducts heat to feedwater in the direct current runner or air through the single backhaul or the two return of inner barrel 2 and smoke pipe (sleeve pipe 3), realizes the effect of heated feed water or preheated air.This moment, this device was as economizer or air preheater.
With reference to accompanying drawing 1,2, in sleeve pipe 3, not adorn electrical bar and feed heat carrier A, the two-port of sleeve pipe 3 is as import and the outlet of heat carrier A.Heat carrier B enters from heat carrier import 11, does to force direct current to flow in helical flow path, flows out from heating medium outlet 12.And heat carrier A can do single backhaul in inner barrel 2 and smoke pipe (sleeve pipe 3) or two return flows, and realizes the heat exchange of two heat carriers.At this moment, this device is as heat exchanger.
Embodiment
With reference to accompanying drawing 1,2, install electrical bar 1 in the sleeve pipe 3 additional as thermal source, heat carrier also is that organic heat carrier enters from heat carrier import 11, successively interior, in, do to force variable cross-section transversal flow series direct current turbulent flow in the external spiral runner, accept the radiation heat release and the heat convection of electrical bar 1, flow out from heating medium outlet 12, flow to hot user.Because organic heat carrier is made high speed variable cross-section transversal flow turbulent flow to sleeve pipe 3 and has been significantly improved heat transfer coefficient, and fin 6, flat ring dividing plate 9 have been expanded heat-transfer area significantly with being connected of sleeve pipe 3, improved heat transfer efficiency significantly, thereby make electrical bar 1, sleeve pipe 3 be able to quick cooling, heat-transfer behavior greatly improves, also with regard to overheated, cracking, carbon distribution, coking and the heating surface loading overload of having avoided organic heat carrier effectively and fuse, and force direct current to flow also to have made things convenient for the cleaning of boiler.
Claims (3)
1, a kind of multipurpose direct flow pipe shielded heat carrier boiler, it is characterized in that, described boiler comprises columniform inner barrel (2), outer cylinder body (5) and is positioned at two-layer at least tube panel between inside and outside cylindrical shell, every layer of tube panel is by surrounding cylindric tube panel with the sleeve pipe (3) of cylindrical shell axially parallel and fin (6) welding that is connected adjacent two sleeve pipes (3), on greater than 3/4 tube panel cross section, sleeve pipe (3) is evenly arranged evenly, on less than 1/4 tube panel cross section sleeve pipe (3) is not set, the fin (6) that the sleeve pipe place is not set is called arc riser (8); Electrothermal tube (1) is set in the every sleeve pipe (3), and the two ends of sleeve pipe (3) use the upper perforated plate (4a) of annular and lower perforated plate (4b) to fix respectively, and inner barrel (2) will be gone up lower perforated plate with outer cylinder body (5) and be connected; Last, between the lower perforated plate, along tube panel the flat ring of multilayer dividing plate (9) is set vertically axially, every layer of flat ring dividing plate is the fanning strip greater than 3/4 tube panel cross section, arc length along arc riser (8) is the flat breach that encircles dividing plate (9), the end of breach that to put down ring dividing plate (9) is used less than the fan-shaped connecting plate (7) of 1/4 tube panel cross section and is connected with the other end of adjacent one deck flat ring dividing plate (9) successively, the breach end of the superiors and undermost flat ring dividing plate (9), by fan-shaped connecting plate (7) respectively with last, lower perforated plate links to each other, thereby by tube panel and inside and outside cylindrical shell, tube panel and tube panel, and tube panel, cylindrical shell forms from the inside to the outside with flat ring dividing plate and last lower perforated plate, along the tube panel axial screw around continuous runner; Be positioned at position between inner barrel (2) and the innermost layer tube panel at lower perforated plate (4b), one heat carrier import (11) is set, one heating medium outlet (12) is set on outer cylinder body (5), press the mobile direction of heat carrier from the inside to the outside, on the arc riser of every laminar flow road end, offer a heat carrier through hole (10).
2, multipurpose direct flow pipe shielded heat carrier boiler as claimed in claim 1, it is characterized in that, the described heating medium outlet (12) that is arranged on the outer cylinder body (5), its position is in the end of outer cylinder body (5) with the mobile direction of heat carrier of runner that adjacent tube panel constitutes.
3, multipurpose direct flow pipe shielded heat carrier boiler as claimed in claim 1 is characterized in that, described fan-shaped connecting plate (7) is spiral helicine fan-shaped connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101175865A CN100430666C (en) | 2006-10-26 | 2006-10-26 | Multipurpose direct flow pipe shielded heat carrier boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101175865A CN100430666C (en) | 2006-10-26 | 2006-10-26 | Multipurpose direct flow pipe shielded heat carrier boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1945158A CN1945158A (en) | 2007-04-11 |
| CN100430666C true CN100430666C (en) | 2008-11-05 |
Family
ID=38044673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101175865A Expired - Fee Related CN100430666C (en) | 2006-10-26 | 2006-10-26 | Multipurpose direct flow pipe shielded heat carrier boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100430666C (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101285656B (en) * | 2008-05-26 | 2010-06-09 | 北京航空航天大学 | Ring shell and tube type heat exchanger possessing commutation function |
| CN104566935A (en) * | 2013-10-23 | 2015-04-29 | 比亚迪股份有限公司 | Electric heater for liquids |
| CN104713218A (en) * | 2013-12-17 | 2015-06-17 | 马琳 | Accurate temperature-control electric heating jacket |
| CN107401835A (en) * | 2017-07-10 | 2017-11-28 | 李艺 | A kind of tube side walks hot cigarette shell side and walks oil plant new type of continuous distillation tubular type furnace apparatus |
| CN111435015A (en) * | 2019-01-11 | 2020-07-21 | 青岛海尔空调器有限总公司 | Radiation convection type heat exchanger and air conditioner with same |
| CN111435025A (en) * | 2019-01-11 | 2020-07-21 | 青岛海尔空调器有限总公司 | Radiation convection type heat exchanger and air conditioner with same |
| CN111435022A (en) * | 2019-01-11 | 2020-07-21 | 青岛海尔空调器有限总公司 | Radiation convection type heat exchanger and air conditioner with same |
| CN111435020A (en) * | 2019-01-11 | 2020-07-21 | 青岛海尔空调器有限总公司 | Radiation convection type heat exchanger and air conditioner with same |
| CN111435021A (en) * | 2019-01-11 | 2020-07-21 | 青岛海尔空调器有限总公司 | Radiation convection type heat exchanger and air conditioner with same |
| CN111435018A (en) * | 2019-01-11 | 2020-07-21 | 青岛海尔空调器有限总公司 | Radiation convection type heat exchanger and air conditioner with same |
| CN111435019A (en) * | 2019-01-11 | 2020-07-21 | 青岛海尔空调器有限总公司 | Radiation convection type heat exchanger and air conditioner with same |
| CN111435016A (en) * | 2019-01-11 | 2020-07-21 | 青岛海尔空调器有限总公司 | Radiation convection type heat exchanger and air conditioner with same |
| CN111435026A (en) * | 2019-01-11 | 2020-07-21 | 青岛海尔空调器有限总公司 | Radiation convection type heat exchanger and air conditioner with same |
| CN111435023A (en) * | 2019-01-11 | 2020-07-21 | 青岛海尔空调器有限总公司 | Radiation convection type heat exchanger and air conditioner with same |
| CN111435024A (en) * | 2019-01-11 | 2020-07-21 | 青岛海尔空调器有限总公司 | Radiation convection type heat exchanger and air conditioner with same |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06300208A (en) * | 1993-04-15 | 1994-10-28 | Ishikawajima Harima Heavy Ind Co Ltd | Multitubular type once-through boiler |
| CN2279520Y (en) * | 1996-10-15 | 1998-04-22 | 余登煌 | Water channel type steam boiler with preheating flue tube |
| CN2360790Y (en) * | 1999-03-17 | 2000-01-26 | 江礼伦 | Membrane wall smoke circulating flow straight tube fuel and gas boiler |
| CN2432509Y (en) * | 2000-06-29 | 2001-05-30 | 顾士鹏 | Boiler |
| CN2436884Y (en) * | 2000-08-11 | 2001-06-27 | 安阳方快热能机械有限公司 | Electric heating boiler |
| US6318305B1 (en) * | 1999-04-30 | 2001-11-20 | Miura Co., Ltd. | Water-tube boiler |
| CN2748828Y (en) * | 2004-09-24 | 2005-12-28 | 北京工业大学 | Multilayer film type water-cooled wall flue gas countercurrent flushing water tube oil and gas fired boiler |
| JP3805895B2 (en) * | 1998-06-30 | 2006-08-09 | 株式会社タクマ | 4-pass multi-tube boiler |
-
2006
- 2006-10-26 CN CNB2006101175865A patent/CN100430666C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06300208A (en) * | 1993-04-15 | 1994-10-28 | Ishikawajima Harima Heavy Ind Co Ltd | Multitubular type once-through boiler |
| CN2279520Y (en) * | 1996-10-15 | 1998-04-22 | 余登煌 | Water channel type steam boiler with preheating flue tube |
| JP3805895B2 (en) * | 1998-06-30 | 2006-08-09 | 株式会社タクマ | 4-pass multi-tube boiler |
| CN2360790Y (en) * | 1999-03-17 | 2000-01-26 | 江礼伦 | Membrane wall smoke circulating flow straight tube fuel and gas boiler |
| US6318305B1 (en) * | 1999-04-30 | 2001-11-20 | Miura Co., Ltd. | Water-tube boiler |
| CN2432509Y (en) * | 2000-06-29 | 2001-05-30 | 顾士鹏 | Boiler |
| CN2436884Y (en) * | 2000-08-11 | 2001-06-27 | 安阳方快热能机械有限公司 | Electric heating boiler |
| CN2748828Y (en) * | 2004-09-24 | 2005-12-28 | 北京工业大学 | Multilayer film type water-cooled wall flue gas countercurrent flushing water tube oil and gas fired boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1945158A (en) | 2007-04-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100430666C (en) | Multipurpose direct flow pipe shielded heat carrier boiler | |
| CN207407711U (en) | A kind of helical flow path directly heats fiery cylinder | |
| EP2140208B1 (en) | Heat exchanger | |
| WO2014116805A2 (en) | Heat exchanger having a compact design | |
| CN209945071U (en) | Baffle plate heat exchanger with adjustable pitch | |
| KR20150064076A (en) | Hot air oven | |
| RU2628954C1 (en) | Hot-water boiler | |
| CN101929670A (en) | Oilfield steam injection boiler | |
| CN209180909U (en) | A kind of combination exchanger of modularization steam unit | |
| CN104864600B (en) | A kind of all steel heat exchanger | |
| CN115420020A (en) | Heat exchanger and gas water heater | |
| CN202955681U (en) | Boiler residual heat utilizing economizer | |
| CN216770239U (en) | Finned tube type condensation heat exchanger for wall-mounted furnace | |
| CN210108090U (en) | Adjustable pitch flap baffle heat exchanger | |
| CN212339635U (en) | 'basket' -shaped three-dimensional variable space condensing gas water heater | |
| CN204625576U (en) | A kind of Novel water cooling wall for coal gasifier | |
| GB2096288A (en) | Heating system | |
| CN104034019B (en) | Internal heat type multitube sleeve gas heater | |
| CN109764328B (en) | Application method of supercritical carbon dioxide boiler | |
| CN201836869U (en) | Multi-path convection section of steam injection boiler in oil field | |
| CN201072307Y (en) | Cylinder type condensing heat converter | |
| RU2146790C1 (en) | Water-tube water boiler | |
| CN216049308U (en) | Tubular heat exchanger and steam generation equipment | |
| CN104807359A (en) | Built-in multi-stage jet pipe type fin heat exchange pipe and manufacturing process thereof | |
| CN218480761U (en) | Energy-saving condenser and full-flow stainless steel heat exchanger vacuum phase change boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081105 Termination date: 20131026 |