CN201599786U - Modular structure of heating surface of exhaust-heat boiler in convection segment of heating furnace - Google Patents
Modular structure of heating surface of exhaust-heat boiler in convection segment of heating furnace Download PDFInfo
- Publication number
- CN201599786U CN201599786U CN2010200330456U CN201020033045U CN201599786U CN 201599786 U CN201599786 U CN 201599786U CN 2010200330456 U CN2010200330456 U CN 2010200330456U CN 201020033045 U CN201020033045 U CN 201020033045U CN 201599786 U CN201599786 U CN 201599786U
- Authority
- CN
- China
- Prior art keywords
- heating furnace
- heating surface
- heating
- heat exchange
- exchange tube
- 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 - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 95
- 238000003466 welding Methods 0.000 claims abstract description 20
- 238000010276 construction Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000002918 waste heat Substances 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 abstract description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Landscapes
- Tunnel Furnaces (AREA)
Abstract
The utility model discloses a modular structure of heating furnace of exhaust-heat boiler in convection segment of heating furnace, which comprises a plurality of heating surface modules. The plurality of heating surface modules are stacked on a steel structure which supports the furnace roof of the heating furnace through seal welding for forming an integral heating surface of the exhaust-heat boiler in convection segment of heating furnace. Each heating surface module comprises the following components: a housing which is obtained through connecting a frame and an outer casing; a plurality of groups of serpentine heat exchange tube bundles, which are arranged in the housing and are obtained through connecting the fin tubes and the elbows; an inlet collecting box and an outlet collecting box which are respectively equipped outside the back end of the housing. The inlets of the plurality of groups of heat exchange tube bundle are respectively connected with the joint pipes on the inlet collecting box. The outlets of the plurality of groups of heat exchange tube bundle are respectively connected with the joint pipes on the outlet collecting box. The modular structure of heating furnace of exhaust-heat boiler in convection segment of heating furnace has the following advantages: compact structure, good heat transfer effect, easily ensured quality, reduced construction difficulty and ensured construction safety.
Description
Technical Field
The utility model relates to a modular structure of heating furnace convection section exhaust-heat boiler heating surface.
Background
In order to recover the flue gas waste heat of a large heating furnace, a waste heat boiler heating surface is usually arranged at the convection section of the heating furnace. The design and manufacturing process of the heating surface of the convection section waste heat boiler of the traditional heating furnace is as follows: the heating surface of the convection section waste heat boiler is divided into components such as a tube plate, a finned tube and an elbow, the components are prefabricated in a manufacturing plant and then transported to an installation site, and finally, the components, a steel structure 11 of the convection section and a furnace wall 12 are assembled into the heating surface of the convection section waste heat boiler of the heating furnace in the site by an installation unit (see fig. 1a and 1 b). The finned tube 21 penetrates into the tube plate 22, and the assembly welding with the elbow 23, the radiographic inspection of welding seams, the repair of welding seam defects, the treatment of the surface of a furnace wall and the like are all constructed at high altitude, so that the labor intensity of field work is very high, the safety is poor, the welding work is greatly influenced by environmental factors, and the problems of difficult welding quality guarantee, slow field construction and installation progress and the like exist.
In view of the above problems, there is a need to improve the structure of the heating surface of the exhaust-heat boiler in the convection section of the conventional heating furnace.
Disclosure of Invention
The utility model overcomes not enough among the prior art provides a modular structure of heating furnace convection section exhaust-heat boiler heating surface, its compact structure, and heat transfer effect is good, ensures the quality easily, and the installation of being convenient for can improve construction workman's factor of safety.
The technical scheme for realizing the aim is as follows: the modular structure of the heating surface of the waste heat boiler at the convection section of the heating furnace comprises a plurality of heating surface modules, wherein the plurality of heating surface modules are overlapped on a steel structure supporting the top of the heating furnace from top to bottom through sealing welding so as to form the heating surface of the waste heat boiler at the convection section of the heating furnace into a whole.
The modular structure of the heating surface of the waste heat boiler at the convection section of the heating furnace is characterized in that each heating surface module comprises a shell formed by connecting a frame and an outer guard plate, a plurality of groups of snakelike heat exchange tube bundles arranged in the shell and formed by connecting finned tubes and elbows, and an inlet header and an outlet header which are respectively arranged outside the rear end of the shell; the inlets of the plurality of groups of heat exchange tube bundles are respectively connected with the joint pipes on the inlet header; and outlets of the plurality of groups of heat exchange tube bundles are respectively connected with a joint pipe on the outlet header.
The modular structure of the heating surface of the waste heat boiler at the convection section of the heating furnace is characterized in that a frame of the shell comprises an upper main beam and a lower main beam which are longitudinally arranged, an upper side beam and a lower side beam which are transversely arranged and an upright post which is vertically arranged, and a plurality of hanging beams are uniformly and longitudinally arranged in the middle of the upper side beam;
and the positions of the lifting beams on the corresponding shell on each group of heat exchange tube bundles are provided with tube clamping frames for clamping the heat exchange tube bundles, and each group of heat exchange tube bundles is hung on the lifting beam through a lifting block arranged at the upper end of each tube clamping frame and a stud screwed on the lifting block.
The modular structure of the heating surface of the waste heat boiler at the convection section of the heating furnace is characterized in that the pipe clamping frames on the plurality of groups of heat exchange pipe bundles are arranged at intervals of adjacent staggered width of a hanging beam and are respectively fixedly hung on the left side surface and the right side surface of the hanging beam,
the modular structure of the heating surface of the waste heat boiler of the convection section of the heating furnace is characterized in that an inner heat-insulating lining is applied to the inner surface of an outer guard plate of the shell.
The modular structure of the heating surface of the heating furnace convection section waste heat boiler is characterized in that the heating surface modules are a superheater, an evaporator and an economizer.
The utility model discloses a heating furnace convection section exhaust-heat boiler receives technical scheme of modular structure of hot side adopts modular package assembly, is about to casing, heat exchanger tube bank and collection case and all accomplishes the modular at the equipment of manufacturing plant, transports to the installation site and hoists to take one's place and support the back on heating furnace roof steel construction, only needs to fold each module and can each other seal welding. The utility model discloses a heating furnace convection section exhaust-heat boiler receives compact structure, the heat transfer effect of hot surface modular structure good, ensures the quality easily, reduces the construction degree of difficulty and ensures construction safety.
Drawings
FIGS. 1a and 1b are a front view and a side view of a modular structure of the heating surface of a waste heat boiler of a convection section of a heating furnace according to the prior art;
FIGS. 2a and 2b are front and side views of an embodiment of the modular construction of the heating surfaces of the convection section waste heat boiler of the furnace according to the invention;
FIGS. 3a and 3b are front and top views of a heating surface module in a modular construction of a heating surface of a furnace convection section waste heat boiler according to the present invention;
fig. 4a and 4b are a front view and a side view of another embodiment of the modular construction of the heating surface of the convection section waste heat boiler of the heating furnace according to the invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Referring to fig. 2a and 2b, an embodiment of the modular structure of the heating surface of the convection section waste heat boiler of the heating furnace of the present invention includes a plurality of heating surface modules 2, which are a superheater, an evaporator and an economizer, and are prefabricated in the manufacturing plant, and then transported to the site, and hoisted in place and overlapped on the steel structure supporting the top of the heating furnace from top to bottom by seal welding to form an integrated heating surface of the convection section waste heat boiler of the heating furnace.
Referring to fig. 3a and 3b, each heating surface module 2 includes a shell 20 formed by connecting a frame and an outer shield, a plurality of serpentine heat exchange tube bundles 21 arranged in the shell 20, inlet and outlet headers 24 and 25 and a tube clamping frame 26 respectively installed outside the rear end of the shell 20; wherein,
the shell 20 is formed by connecting a frame and an outer guard board 201, wherein the frame comprises an upper main beam 202 and a lower main beam 202 which are longitudinally arranged, an upper side beam 203 and a lower side beam 203 which are transversely arranged and a vertical column 204 which is vertically arranged; a plurality of hanging beams 205 are uniformly and longitudinally arranged in the middle of the shell upper side beam 203; the number of suspension beams 205 may depend on the length of the heat exchange tube bundle 21; the connection positions of the hanging beams 204 are connected by welding; the outer guard plate 201 and each beam are also welded in a sealing way; an inner heat-insulating lining 200 is applied to the inner surface of an outer guard plate 201 of the shell 20, and the inner heat-insulating lining 200 is a heat-insulating wear-resistant lining so as to improve the high-temperature resistance strength of the whole heat exchanger;
a plurality of groups of heat exchange tube bundles 21 are longitudinally arranged in the shell 20, are all manufactured by adopting the same moulding bed and are respectively formed by connecting finned tubes 22 and elbows 23; the finned tube 22 and the elbow 23 are connected by welding, all welding seams are argon arc welding, and all the welding seams are subjected to radiographic inspection, ball passing tests and hydrostatic tests to ensure the welding quality;
the inlet header 24 is arranged on the upper part of the guard plate at the rear end of the shell 20, the outlet header 25 is arranged on the lower part of the guard plate at the rear end of the shell 20, the inlet header 24 and the outlet header 25 are respectively formed by connecting a header body and joint pipes with the same number as the heat exchange tube bundles 21, and the joint pipes are respectively welded on the header body along the axial direction of the header body;
the inlets of the plurality of groups of heat exchange tube bundles 21 are respectively connected with joint pipes which are inserted into the upper part of the guard plate at the rear end of the shell 20 on an inlet header 24; the inlets of the heat exchange tube bundles 21 and the joint pipes are welded by argon arc welding;
the outlets of the groups of heat exchange tube bundles 21 are respectively connected with joint pipes on the outlet header 25, which are inserted into the lower part of the guard plate at the rear end of the shell 20; the outlets of the heat exchange tube bundles 21 and the joint pipes are welded by argon arc welding;
the pipe clamping frames 26 are arranged in the middle of each group of heat exchange tube bundles 21 and used for clamping and suspending the heat exchange tube bundles 21, the number of the pipe clamping frames 26 on each group of heat exchange tube bundles 21 is the same as that of the hanging beams 204 on the shell 20, and the pipe clamping frames are arranged at the positions corresponding to the hanging beams 204; the tube clamping frames 26 on the plurality of groups of heat exchange tube bundles 21 are arranged by adjacently staggering the distance of the width of a hanging beam 204 and are respectively fixedly suspended on the left side surface and the right side surface of the hanging beam 204; the upper end of the pipe clamping frame 26 is provided with a hanging block and a stud which is screwed on the hanging block;
the heat exchange tube bundle 21 is fixedly suspended on the hanging beam 204 through studs at the upper end of the pipe clamping frame 26, and the studs are fully welded on the hanging beam 204 by adopting stainless steel welding rods.
Referring to fig. 4a and 4b, another embodiment of the modular structure of the heating surface of the convection section waste heat boiler of the heating furnace of the present invention is to divide the convection section of the heating furnace into two longitudinal sections when the size of the heating furnace is larger, and the heating surfaces of the corresponding convection section waste heat boiler are divided into two rows and overlapped on the steel structure supporting the top of the heating furnace by a plurality of heating surface modules 2.
The utility model discloses a heating furnace convection section exhaust-heat boiler receives hot surface modular structure and falls into a plurality of heating surface with whole convection section exhaust-heat boiler heating surface to all accomplish the ray detection of modular and completion welding seam at the factory equipment with casing, heat exchanger tube bank and the collection case that each receives the hot surface, transport to the installation site, hoist and mount take one's place on the steel construction that supports the heating furnace roof after, only need with each module fold, sealing weld can each other. The utility model discloses a heating furnace convection section exhaust-heat boiler receives compact structure, the heat transfer effect of hot surface modular structure good, ensures the quality easily, reduces the construction degree of difficulty and ensures construction safety.
The present invention has been described in detail with reference to the above embodiments, and various modifications thereof can be made by those skilled in the art based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are to be interpreted as having a scope defined by the appended claims.
Claims (6)
1. The modular structure of the heating surface of the waste heat boiler at the convection section of the heating furnace comprises a plurality of heating surface modules, and is characterized in that the heating surface modules are overlapped on a steel structure supporting the top of the heating furnace from top to bottom through sealing welding to form the heating surface of the waste heat boiler at the convection section of the heating furnace into a whole.
2. The modular structure of the heating surface of the waste heat boiler of the convection section of the heating furnace as claimed in claim 1, wherein each heating surface module comprises a shell formed by connecting a frame and an outer guard plate, a plurality of groups of serpentine heat exchange tube bundles arranged in the shell and formed by connecting finned tubes and elbows, and an inlet header and an outlet header respectively arranged outside the rear end of the shell; the inlets of the plurality of groups of heat exchange tube bundles are respectively connected with the joint pipes on the inlet header; and outlets of the plurality of groups of heat exchange tube bundles are respectively connected with a joint pipe on the outlet header.
3. The modular structure of the heating surface of the waste heat boiler of the convection section of the heating furnace as claimed in claim 2, wherein the frame of the shell comprises an upper main beam and a lower main beam which are longitudinally arranged, an upper side beam and a lower side beam which are transversely arranged and a vertical column which are vertically arranged, and a plurality of hanging beams are uniformly and longitudinally arranged in the middle of the upper side beam;
and the positions of the lifting beams on the corresponding shell on each group of heat exchange tube bundles are provided with tube clamping frames for clamping the heat exchange tube bundles, and each group of heat exchange tube bundles is hung on the lifting beam through a lifting block arranged at the upper end of each tube clamping frame and a stud screwed on the lifting block.
4. The modular structure of the heating surface of the waste heat boiler of the convection section of the heating furnace as claimed in claim 2, wherein the tube holders on the plurality of groups of heat exchange tube bundles are adjacently arranged at a distance staggered by the width of a hanging beam and fixedly hung on the left and right side surfaces of the hanging beam respectively.
5. The modular construction of the heating surface of a heat recovery boiler for a convection section of a heating furnace of claim 2, wherein the inner surface of the outer shroud of the shell is coated with an inner insulating lining.
6. The modular structure of the heating surface of the heating furnace convection section waste heat boiler according to claim 1 or 2, characterized in that the plurality of heating surface modules are a superheater, an evaporator and an economizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200330456U CN201599786U (en) | 2010-01-14 | 2010-01-14 | Modular structure of heating surface of exhaust-heat boiler in convection segment of heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200330456U CN201599786U (en) | 2010-01-14 | 2010-01-14 | Modular structure of heating surface of exhaust-heat boiler in convection segment of heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201599786U true CN201599786U (en) | 2010-10-06 |
Family
ID=42810841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200330456U Expired - Lifetime CN201599786U (en) | 2010-01-14 | 2010-01-14 | Modular structure of heating surface of exhaust-heat boiler in convection segment of heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201599786U (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230609A (en) * | 2011-06-17 | 2011-11-02 | 江苏太湖锅炉股份有限公司 | Modular heating furnace |
| CN102384459A (en) * | 2011-11-02 | 2012-03-21 | 苏州海陆重工股份有限公司 | Waste heat boiler for preparing olefins from methanol |
| CN102589135A (en) * | 2012-03-21 | 2012-07-18 | 江苏太湖锅炉股份有限公司 | Convection section distribution structure of organic heat carrier boiler |
| CN102788337A (en) * | 2012-07-16 | 2012-11-21 | 大连易世达新能源发展股份有限公司 | Modular bypass vent waste heat boiler at tail of cement kiln |
| CN102798110A (en) * | 2012-07-16 | 2012-11-28 | 大连易世达新能源发展股份有限公司 | Modularized waste heat boiler at kiln tail of cement kiln |
| CN102967045A (en) * | 2012-11-15 | 2013-03-13 | 大连连重石化科技有限公司 | Modularized radiant heating furnace |
| CN103234191A (en) * | 2013-04-09 | 2013-08-07 | 无锡华光锅炉股份有限公司 | Coal economizer structure of refuse incineration boiler |
| CN103574569A (en) * | 2013-10-26 | 2014-02-12 | 安徽海螺川崎节能设备制造有限公司 | Cement kiln head waste heat boiler |
| CN103742894A (en) * | 2014-01-06 | 2014-04-23 | 中国船舶重工集团公司第七�三研究所 | Modularization heat exchange box suitable for marine heat recovery boiler |
| CN104154527A (en) * | 2014-08-15 | 2014-11-19 | 浙江特富锅炉有限公司 | High temperature superheater of steam boiler |
| CN105333414A (en) * | 2015-11-30 | 2016-02-17 | 北京热华能源科技有限公司 | Pluggable fast mounting self-sealing type coal economizer |
| CN106066034A (en) * | 2015-04-20 | 2016-11-02 | 通用电器技术有限公司 | Heat exchange surface is linked the method for boiler primary structure, boiler and boiler module |
| CN107192275A (en) * | 2017-07-04 | 2017-09-22 | 江苏东方成套设备制造集团有限公司 | A kind of convection current modular structure and assemble method |
| CN108916851A (en) * | 2018-08-01 | 2018-11-30 | 贵阳正升科技有限公司 | A kind of gas generating residual heat efficient utilization device and its technique |
| CN111810935A (en) * | 2020-01-17 | 2020-10-23 | 武汉锅炉股份有限公司 | Manufacturing method of external economizer module of large garbage boiler |
| CN112548394A (en) * | 2020-12-30 | 2021-03-26 | 哈尔滨锅炉厂有限责任公司 | Large heating surface module and manufacturing method |
| WO2021258647A1 (en) * | 2020-06-23 | 2021-12-30 | 江苏太湖锅炉股份有限公司 | Natural circulation box structure for ferrosilicon waste heat boiler |
| CN115823565A (en) * | 2022-11-02 | 2023-03-21 | 四川川锅锅炉有限责任公司 | Process for manufacturing heating surface module of waste heat boiler |
-
2010
- 2010-01-14 CN CN2010200330456U patent/CN201599786U/en not_active Expired - Lifetime
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230609A (en) * | 2011-06-17 | 2011-11-02 | 江苏太湖锅炉股份有限公司 | Modular heating furnace |
| CN102384459A (en) * | 2011-11-02 | 2012-03-21 | 苏州海陆重工股份有限公司 | Waste heat boiler for preparing olefins from methanol |
| CN102384459B (en) * | 2011-11-02 | 2012-12-26 | 苏州海陆重工股份有限公司 | Waste heat boiler for preparing olefins from methanol |
| CN102589135A (en) * | 2012-03-21 | 2012-07-18 | 江苏太湖锅炉股份有限公司 | Convection section distribution structure of organic heat carrier boiler |
| CN102788337A (en) * | 2012-07-16 | 2012-11-21 | 大连易世达新能源发展股份有限公司 | Modular bypass vent waste heat boiler at tail of cement kiln |
| CN102798110A (en) * | 2012-07-16 | 2012-11-28 | 大连易世达新能源发展股份有限公司 | Modularized waste heat boiler at kiln tail of cement kiln |
| CN102967045B (en) * | 2012-11-15 | 2015-02-04 | 大连连重石化科技有限公司 | Modularized radiant heating furnace |
| CN102967045A (en) * | 2012-11-15 | 2013-03-13 | 大连连重石化科技有限公司 | Modularized radiant heating furnace |
| CN103234191B (en) * | 2013-04-09 | 2015-01-14 | 无锡华光锅炉股份有限公司 | Coal economizer structure of refuse incineration boiler |
| CN103234191A (en) * | 2013-04-09 | 2013-08-07 | 无锡华光锅炉股份有限公司 | Coal economizer structure of refuse incineration boiler |
| CN103574569B (en) * | 2013-10-26 | 2016-04-13 | 安徽海螺川崎节能设备制造有限公司 | cement kiln head waste heat boiler |
| CN103574569A (en) * | 2013-10-26 | 2014-02-12 | 安徽海螺川崎节能设备制造有限公司 | Cement kiln head waste heat boiler |
| CN103742894A (en) * | 2014-01-06 | 2014-04-23 | 中国船舶重工集团公司第七�三研究所 | Modularization heat exchange box suitable for marine heat recovery boiler |
| CN104154527A (en) * | 2014-08-15 | 2014-11-19 | 浙江特富锅炉有限公司 | High temperature superheater of steam boiler |
| CN106066034A (en) * | 2015-04-20 | 2016-11-02 | 通用电器技术有限公司 | Heat exchange surface is linked the method for boiler primary structure, boiler and boiler module |
| CN105333414A (en) * | 2015-11-30 | 2016-02-17 | 北京热华能源科技有限公司 | Pluggable fast mounting self-sealing type coal economizer |
| CN105333414B (en) * | 2015-11-30 | 2017-07-21 | 北京热华能源科技有限公司 | A kind of self-sealed economizer of pluggable fast-assembling |
| CN107192275A (en) * | 2017-07-04 | 2017-09-22 | 江苏东方成套设备制造集团有限公司 | A kind of convection current modular structure and assemble method |
| CN108916851A (en) * | 2018-08-01 | 2018-11-30 | 贵阳正升科技有限公司 | A kind of gas generating residual heat efficient utilization device and its technique |
| CN111810935A (en) * | 2020-01-17 | 2020-10-23 | 武汉锅炉股份有限公司 | Manufacturing method of external economizer module of large garbage boiler |
| WO2021258647A1 (en) * | 2020-06-23 | 2021-12-30 | 江苏太湖锅炉股份有限公司 | Natural circulation box structure for ferrosilicon waste heat boiler |
| CN112548394A (en) * | 2020-12-30 | 2021-03-26 | 哈尔滨锅炉厂有限责任公司 | Large heating surface module and manufacturing method |
| CN115823565A (en) * | 2022-11-02 | 2023-03-21 | 四川川锅锅炉有限责任公司 | Process for manufacturing heating surface module of waste heat boiler |
| CN115823565B (en) * | 2022-11-02 | 2023-09-29 | 四川川锅锅炉有限责任公司 | Manufacturing process of heating surface module of waste heat boiler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201599786U (en) | Modular structure of heating surface of exhaust-heat boiler in convection segment of heating furnace | |
| CN203940411U (en) | A kind of arrangement of convection superheater | |
| CN207730063U (en) | A kind of modular fin tube heat exchanger | |
| CN201266026Y (en) | Modular finned tube heat exchanger | |
| CN105222121B (en) | Boiler coal economizer | |
| CN202432493U (en) | Modular afterheat boiler | |
| WO2015001666A1 (en) | Waste-heat boiler | |
| CN108871035A (en) | Convenient for the Pipe bundle structure of pressure testing | |
| KR20170016477A (en) | Modular heat recovery steam generator construction | |
| CN206875404U (en) | Boiler water wall structure | |
| CN205102102U (en) | Coal saving device of boiler | |
| CN201611090U (en) | Waste-heat boiler superheater | |
| CN109186093A (en) | Fire hot-water boiler in a kind of vertical condensation one room | |
| CN210832032U (en) | Novel waste incineration exhaust-heat boiler economizer structure | |
| CN212511075U (en) | Detachable ocean platform steam injection boiler | |
| JPS59107193A (en) | Heat exchanger | |
| CN103574569B (en) | cement kiln head waste heat boiler | |
| CN209415770U (en) | A kind of integrated room combustion hot-water boiler of horizontal condensation | |
| CN208282394U (en) | Forced-circulation hot water boiler | |
| CN111795374A (en) | Detachable ocean platform steam injection boiler | |
| CN110057209A (en) | A kind of shell and tube light pipe evaporator and its welding method | |
| CN109210792A (en) | A kind of integrated room combustion hot-water boiler of horizontal condensation | |
| CN209263763U (en) | A kind of set of heat exchange tubes mounting structure for waste heat boiler | |
| CN205878203U (en) | Coal fired boiler shaft flue | |
| CN216431687U (en) | Deoxidizing section of waste heat steam boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100728 No. 22 North Street, Chaoyang District, Beijing, Chaoyangmen Co-patentee after: Shanghai Ningsong Heat Energy Environment Engineering Co., Ltd. Patentee after: China Petrochemical Group Corp. Co-patentee after: Sinopec Engineering Incorporation Address before: 100728 No. 22 North Street, Chaoyang District, Beijing, Chaoyangmen Co-patentee before: Shanghai Ningsong Heat Energy Environment Engineering Co., Ltd. Patentee before: China Petrochemical Group Corp. Co-patentee before: Engrg Construction Co., SINOPEC |
|
| ASS | Succession or assignment of patent right |
Owner name: NINGSONG HEAT ENERGY ENVIRONMENTAL ENGINEERING CO. Free format text: FORMER OWNER: SINOPEC GROUP Effective date: 20130608 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100728 CHAOYANG, BEIJING TO: 200090 YANGPU, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130608 Address after: 200090 Shanghai city Yangpu District Yangshupu Road No. 1426 building room 711 sea rescue Patentee after: Shanghai Ningsong Heat Energy Environment Engineering Co., Ltd. Patentee after: Sinopec Engineering Incorporation Address before: 100728 No. 22 North Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: China Petrochemical Group Corp. Patentee before: Shanghai Ningsong Heat Energy Environment Engineering Co., Ltd. Patentee before: Sinopec Engineering Incorporation |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101006 |