CN201842567U - Lifting frame for modular tube panel of waste heat boiler - Google Patents
Lifting frame for modular tube panel of waste heat boiler Download PDFInfo
- Publication number
- CN201842567U CN201842567U CN2010201664473U CN201020166447U CN201842567U CN 201842567 U CN201842567 U CN 201842567U CN 2010201664473 U CN2010201664473 U CN 2010201664473U CN 201020166447 U CN201020166447 U CN 201020166447U CN 201842567 U CN201842567 U CN 201842567U
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- lifting
- lifting beam
- crossbeam
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- tube panel
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Abstract
The utility model relates to a lifting frame for a modular tube panel of a waste heat boiler. The lifting frame comprises two transverse beams, a plurality of lifting beams, connecting plates which are fixedly connected with the lifting beams, lifting beam fixing devices, limiting blocks which are arranged at the two ends of the transverse beams and are fixedly connected with the transverse beams, steel wire ropes which are hung on the lifting beams, lifting hooks which are fixed on the steel wire ropes, and lifting lugs which are fixedly connected with the transverse beams, wherein the transverse beams are slidably connected with the lifting beams through the connecting plates. Since the multi-level lifting beams are arranged on the transverse beams, the lifting hooks are arranged on the lifting beams, the number of the stressed points of the modular tube panel can reach eighty-one at most and the stress direction of the eighty-one stressed points is vertically upright, the eighty-one stressed points do not generate any horizontal components, and the problem that an object to be lifted cannot be lifted up by using a regular lifting method can be solved; and since the fixing devices are installed on the lifting beams, the relative sliding between the transverse beams and the lifting beams can be avoided, the lifting safety can be ensured, and the problems that the tube panel of the waste heat boiler is difficult to be lifted up and the safety is not high can be effectively solved.
Description
Technical field
The utility model relates to a kind of upending frame, especially relates to a kind of waste heat boiler module upending frame of, poor rigidity object heavier than length and width degree broad, weight by lifting thing length.
Background technology
Since entering this century, China has built the modern large-scale 9F level power station waste heat boiler of large quantities of high efficiencys, low pollutant emission, for huge contribution has been made in the development that improves energy utilization rate, reduction atmospheric contamination and China's electric utility.
Yet, nearly 25 meters of 9F level waste heat boiler module tube panel length, about 4 meters of width, nearly 25 tons of weight, and at length, Width rigidity extreme difference, conventional lifting method is as 4 points, 6 points, 8 lifting modes etc., it is very big to produce horizontal component of force in length, Width, this product of can't slinging; Promptly enable lifting, also can have potential safety hazard owing to too poor by lifting thing rigidity.Therefore, how to solve the lifting problem of waste heat boiler module, become each cauldron producer and Installation in Plant company exigence, have realistic meanings and practical value.
Summary of the invention
The utility model mainly is to solve the difficult technical matters of existing in prior technology 9F level waste heat boiler module tube panel lifting, and a kind of upending frame that can effectively solve, poor rigidity object lifting problem heavier than length and width degree broad, weight by lifting thing length and have safety is provided.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: the utility model comprises two crossbeams, some lifting beams, the connecting panel of captiveing joint with lifting beam, the lifting beam anchor fitting, limiting stopper captiveing joint with crossbeam in the two ends of crossbeam is suspended on the steel rope on the lifting beam, is fixed on the suspension hook on the steel rope, the hanger of captiveing joint with crossbeam, crossbeam is by connecting panel and lifting beam sliding block joint.
As preferably, lifting beam is the 4-9 root, and 2 hangers are set on every crossbeam, and the quantity of steel rope is the 4-9 root.
As preferably, the lifting beam anchor fitting comprises nuts and bolt, and nut is captiveed joint with lifting beam, and bolt passes on the lifting beam and withstands on the crossbeam with the corresponding hole of bolt.
As preferably, connecting panel is that L shaped, L shaped minor face is captiveed joint with lifting beam, and L shaped long side suspension is on crossbeam.
Therefore, the utlity model has characteristics, especially length direction such as rational in infrastructure, easy to use and be provided with 4-9 shelves lifting beam, and on lifting beam, arrange 4-9 suspension hook 8, make module tube panel stress point mostly be 81 most at crossbeam 1.Dress weldering sliding block joint steel plate makes it be connected with crossbeam on lifting beam, this structure makes the position of lifting beam scalable at the stress point of length direction, make upending frame can be suitable for the lifting of the waste heat boiler module tube panel of different model, and make maximum 81 stress points for vertically upward object not being produced horizontal component of force, solved by lifting thing poor rigidity, the difficult problem that conventional lifting method can't lift by crane.Device nut, bolt decide in the dress solid welding on lifting beam, are used to prevent the slide relative between crossbeam and the lifting beam, guarantee to lift by crane safety.At crossbeam two ends dress weldering limiting stopper, be used to prevent that lifting beam from skidding off crossbeam.Hanger is housed on lifting beam, is used for weight-lifting equipment and links to each other with upending frame (for 4 conventional liftings), so the utility model has solved by lifting thing length effectively than length and width degree broad, the difficult problem of weight lifting heavier, the poor rigidity object.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is A-A views.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: the utility model comprises two crossbeams 1,4 lifting beams 2, the L shaped connecting panel 3 of captiveing joint with lifting beam 2, nut 4 and bolt 5, the limiting stopper 6 of captiveing joint with crossbeam 1 at the two ends of crossbeam 1, be suspended on 4 steel ropes 7 on the lifting beam 2, be fixed on the suspension hook 8 on the steel rope 7, be fixedly connected with two hangers 9 on the every crossbeam 1, crossbeam 1 is by connecting panel 3 and lifting beam 2 sliding block joints, and nut 4 is captiveed joint with lifting beam 2, and bolt 5 passes on the lifting beam 2 and withstands on the crossbeam 1 with bolt 5 corresponding holes, the minor face of L shaped connecting panel 3 is captiveed joint with lifting beam 2, and L shaped long side suspension is on crossbeam 1.(referring to Fig. 1, Fig. 2)
In the present embodiment, when lifting, length according to waste heat boiler module tube panel 10 is provided with 4 lifting beams 2,4 steel ropes 7 are set on the every lifting beam 2, to catch on the fixedly pipe clamp 11 of tube panel with the suspension hook 8 of utility model simultaneously, according to pipe clamp position adjustments lifting beam 2 relative position, make the distance between the lifting beam 2 equate that with distance between the module tube panel pipe clamp assurance object is stressed vertically upward with crossbeam 1; Tighting a bolt 5 prevents that lifting beam from sliding on crossbeam, guarantee lifting safety.Four hangers 9 on the upending frame are linked to each other with weight-lifting equipment by steel rope, 16 suspension hooks 8 are hung over implement lifting on the pipe clamp of module tube panel, making module tube panel stress point by upending frame is 16, make 16 stress points for vertically upward object not being produced horizontal component of force, solved by lifting thing poor rigidity, the difficult problem that conventional lifting method can't lift by crane.At crossbeam two ends dress weldering limiting stopper, be used to prevent that lifting beam from skidding off crossbeam.Because four hangers are housed in the utility model, lifting method still is 4 conventional liftings.
Embodiment 2: the utility model comprises two crossbeams 1,6 lifting beams 2, the L shaped connecting panel 3 of captiveing joint with lifting beam 2, nut 4 and bolt 5, the limiting stopper 6 of captiveing joint with crossbeam 1 at the two ends of crossbeam 1, be suspended on 6 steel ropes 7 on the lifting beam 2, be fixed on the suspension hook 8 on the steel rope 7, be fixedly connected with two hangers 9 on the every crossbeam 1, crossbeam 1 is by connecting panel 3 and lifting beam 2 sliding block joints, and nut 4 is captiveed joint with lifting beam 2, and bolt 5 passes on the lifting beam 2 and withstands on the crossbeam 1 with bolt 5 corresponding holes, the minor face of L shaped connecting panel 3 is captiveed joint with lifting beam 2, and L shaped long side suspension is on crossbeam 1.(referring to Fig. 1, Fig. 2)
In the present embodiment, when lifting, length according to waste heat boiler module tube panel 10 is provided with 6 lifting beams 2,6 steel ropes 7 are set on the every lifting beam 2, to catch on the fixedly pipe clamp 11 of tube panel with the suspension hook 8 of utility model simultaneously, according to pipe clamp position adjustments lifting beam 2 relative position, make the distance between the lifting beam 2 equate that with distance between the module tube panel pipe clamp assurance object is stressed vertically upward with crossbeam 1; Tighting a bolt 5 prevents that lifting beam from sliding on crossbeam, guarantee lifting safety.Four hangers 9 on the upending frame are linked to each other with weight-lifting equipment by steel rope, 36 suspension hooks 8 are hung over implement lifting on the pipe clamp of module tube panel, making module tube panel stress point by upending frame is 36, make 36 stress points for vertically upward object not being produced horizontal component of force, solved by lifting thing poor rigidity, the difficult problem that conventional lifting method can't lift by crane.At crossbeam two ends dress weldering limiting stopper, be used to prevent that lifting beam from skidding off crossbeam.Because four hangers are housed in the utility model, lifting method still is 4 conventional liftings.
Embodiment 3: the utility model comprises two crossbeams 1,9 lifting beams 2, the L shaped connecting panel 3 of captiveing joint with lifting beam 2, nut 4 and bolt 5, the limiting stopper 6 of captiveing joint with crossbeam 1 at the two ends of crossbeam 1, be suspended on 9 steel ropes 7 on the lifting beam 2, be fixed on the suspension hook 8 on the steel rope 7, be fixedly connected with two hangers 9 on the every crossbeam 1, crossbeam 1 is by connecting panel 3 and lifting beam 2 sliding block joints, and nut 4 is captiveed joint with lifting beam 2, and bolt 5 passes on the lifting beam 2 and withstands on the crossbeam 1 with bolt 5 corresponding holes, the minor face of L shaped connecting panel 3 is captiveed joint with lifting beam 2, and L shaped long side suspension is on crossbeam 1.(referring to Fig. 1, Fig. 2)
In the present embodiment, when lifting, length according to waste heat boiler module tube panel 10 is provided with 9 lifting beams 2,9 steel ropes 7 are set on the every lifting beam 2, to catch on the fixedly pipe clamp 11 of tube panel with the suspension hook 8 of utility model simultaneously, according to pipe clamp position adjustments lifting beam 2 relative position, make the distance between the lifting beam 2 equate that with distance between the module tube panel pipe clamp assurance object is stressed vertically upward with crossbeam 1; Tighting a bolt 5 prevents that lifting beam from sliding on crossbeam, guarantee lifting safety.Four hangers 9 on the upending frame are linked to each other with weight-lifting equipment by steel rope, 81 suspension hooks 8 are hung over implement lifting on the pipe clamp of module tube panel, making module tube panel stress point by upending frame is 81, make 81 stress points for vertically upward object not being produced horizontal component of force, solved by lifting thing poor rigidity, the difficult problem that conventional lifting method can't lift by crane.At crossbeam two ends dress weldering limiting stopper, be used to prevent that lifting beam from skidding off crossbeam.Because four hangers are housed in the utility model, lifting method still is 4 conventional liftings.
Embodiment 4: the utility model comprises two crossbeams 1,7 lifting beams 2, the L shaped connecting panel 3 of captiveing joint with lifting beam 2, nut 4 and bolt 5, the limiting stopper 6 of captiveing joint with crossbeam 1 at the two ends of crossbeam 1, be suspended on 5 steel ropes 7 on the lifting beam 2, be fixed on the suspension hook 8 on the steel rope 7, be fixedly connected with two hangers 9 on the every crossbeam 1, crossbeam 1 is by connecting panel 3 and lifting beam 2 sliding block joints, and nut 4 is captiveed joint with lifting beam 2, and bolt 5 passes on the lifting beam 2 and withstands on the crossbeam 1 with bolt 5 corresponding holes, the minor face of L shaped connecting panel 3 is captiveed joint with lifting beam 2, and L shaped long side suspension is on crossbeam 1.(referring to Fig. 1, Fig. 2)
In the present embodiment, when lifting, length according to waste heat boiler module tube panel 10 is provided with 7 lifting beams 2,5 steel ropes 7 are set on the every lifting beam 2, to catch on the fixedly pipe clamp 11 of tube panel with the suspension hook 8 of utility model simultaneously, according to pipe clamp position adjustments lifting beam 2 relative position, make the distance between the lifting beam 2 equate that with distance between the module tube panel pipe clamp assurance object is stressed vertically upward with crossbeam 1; Tighting a bolt 5 prevents that lifting beam from sliding on crossbeam, guarantee lifting safety.Four hangers 9 on the upending frame are linked to each other with weight-lifting equipment by steel rope, 35 suspension hooks 8 are hung over implement lifting on the pipe clamp of module tube panel, making module tube panel stress point by upending frame is 35, make 35 stress points for vertically upward object not being produced horizontal component of force, solved by lifting thing poor rigidity, the difficult problem that conventional lifting method can't lift by crane.At crossbeam two ends dress weldering limiting stopper, be used to prevent that lifting beam from skidding off crossbeam.Because four hangers are housed in the utility model, lifting method still is 4 conventional liftings.
Certainly, the shape of connecting panel 3 is not limited in L shaped, also can be modes such as half elliptic, can use so long as can realize the shape of the sliding block joint between crossbeam 1 and the lifting beam 2; The lifting beam anchor fitting also is not limited in the nuts and bolt structure, as long as effectively the fixed form of fixed cross beam 1 and lifting beam 2 can adopt; The quantity of lifting beam 2 and steel rope 7 also is not limited in the foregoing description simultaneously, so long as the different combination between the 4-9 root can be adopted; Such variation all drops within the protection domain of the present utility model.
Claims (5)
1. waste heat boiler module tube panel upending frame, it is characterized in that: comprise two crossbeams, some lifting beams, with the connecting panel that described lifting beam is captiveed joint, lifting beam anchor fitting, the limiting stopper of captiveing joint with described crossbeam at the two ends of described crossbeam, be suspended on some steel ropes on the described lifting beam, be fixed on the suspension hook on the described steel rope, with the hanger that described crossbeam is captiveed joint, described crossbeam is by described connecting panel and described lifting beam sliding block joint.
2. waste heat boiler module tube panel upending frame according to claim 1, it is characterized in that: described lifting beam is the 4-9 root, and 2 described hangers are set on every described crossbeam, the quantity of described steel rope is the 4-9 root.
3. waste heat boiler module tube panel upending frame according to claim 1 and 2, it is characterized in that: described lifting beam anchor fitting comprises nuts and bolt, described nut is captiveed joint with described lifting beam, and described bolt passes on the described lifting beam and withstands on the described crossbeam with the corresponding hole of described bolt.
4. waste heat boiler module tube panel upending frame according to claim 1 and 2, it is characterized in that: described connecting panel is L shaped, and described L shaped minor face is captiveed joint with described lifting beam, and described L shaped long side suspension is on described crossbeam.
5. waste heat boiler module tube panel upending frame according to claim 3, it is characterized in that: described connecting panel is L shaped, and described L shaped minor face is captiveed joint with described lifting beam, and described L shaped long side suspension is on described crossbeam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201664473U CN201842567U (en) | 2010-04-22 | 2010-04-22 | Lifting frame for modular tube panel of waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201664473U CN201842567U (en) | 2010-04-22 | 2010-04-22 | Lifting frame for modular tube panel of waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201842567U true CN201842567U (en) | 2011-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201664473U Expired - Lifetime CN201842567U (en) | 2010-04-22 | 2010-04-22 | Lifting frame for modular tube panel of waste heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201842567U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912865A (en) * | 2014-03-28 | 2014-07-09 | 无锡华光锅炉股份有限公司 | Suspender support system of horizontal waste heat boiler module and mounting suspender structure of suspender support system |
| CN103939875A (en) * | 2014-05-23 | 2014-07-23 | 山东电力建设第三工程公司 | Vertical type waste heat boiler module hanging construction method |
| CN104003291A (en) * | 2014-06-11 | 2014-08-27 | 山东电力建设第一工程公司 | Single-rail walking lifting device for mounting boiler equipment in power plant |
| CN104016220A (en) * | 2014-06-16 | 2014-09-03 | 山东电力建设第一工程公司 | Adjustable loading and unloading hanging bracket of waste heat boiler module |
| CN104016279A (en) * | 2014-04-02 | 2014-09-03 | 无锡华光锅炉股份有限公司 | Frame for overturning single-piece module of horizontal type heat recovery steam generator |
| CN105240619A (en) * | 2015-11-02 | 2016-01-13 | 无锡华光锅炉股份有限公司 | Pipe system hanging device of coal economizer |
| CN106016233A (en) * | 2016-06-20 | 2016-10-12 | 中国十五冶金建设集团有限公司 | Boiler roof with long span and fewer welding spots and hoisting method for boiler roof |
| CN107010529A (en) * | 2017-06-05 | 2017-08-04 | 上海外高桥造船有限公司 | Derrick branch erects the application method that piece frock hangs code |
| CN107043067A (en) * | 2016-12-27 | 2017-08-15 | 四川川锅锅炉有限责任公司 | A kind of S-shaped tube panel boom hoisting |
| CN109099411A (en) * | 2018-10-10 | 2018-12-28 | 哈尔滨哈锅锅炉容器工程有限责任公司 | A kind of boiler heating surface tube panel column pipe structure |
| CN109335962A (en) * | 2018-10-26 | 2019-02-15 | 中国能源建设集团江苏省电力建设第三工程有限公司 | Furnace roof superheater assembly hanging method after a kind of boiler |
| CN111170142A (en) * | 2018-11-12 | 2020-05-19 | 青岛腾远设计事务所有限公司 | A but automatically regulated hanging beam for component hoist and mount |
| CN111673872A (en) * | 2020-06-12 | 2020-09-18 | 河南凯煌模板有限公司 | Construction method for prefabricated steel pile and auxiliary system thereof |
| CN113753730A (en) * | 2021-08-31 | 2021-12-07 | 上海宝冶集团有限公司 | Lifting appliance for multi-group combined lifting of reformer furnace tubes and using method thereof |
-
2010
- 2010-04-22 CN CN2010201664473U patent/CN201842567U/en not_active Expired - Lifetime
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912865B (en) * | 2014-03-28 | 2016-04-06 | 无锡华光锅炉股份有限公司 | A kind of boom rest system of horizontal type waste heat boiler module and mounting suspension structure thereof |
| CN103912865A (en) * | 2014-03-28 | 2014-07-09 | 无锡华光锅炉股份有限公司 | Suspender support system of horizontal waste heat boiler module and mounting suspender structure of suspender support system |
| CN104016279A (en) * | 2014-04-02 | 2014-09-03 | 无锡华光锅炉股份有限公司 | Frame for overturning single-piece module of horizontal type heat recovery steam generator |
| CN103939875A (en) * | 2014-05-23 | 2014-07-23 | 山东电力建设第三工程公司 | Vertical type waste heat boiler module hanging construction method |
| CN103939875B (en) * | 2014-05-23 | 2016-02-24 | 山东电力建设第三工程公司 | A kind of vertical exhaust-heat boiler module hoisting construction method |
| CN104003291A (en) * | 2014-06-11 | 2014-08-27 | 山东电力建设第一工程公司 | Single-rail walking lifting device for mounting boiler equipment in power plant |
| CN104003291B (en) * | 2014-06-11 | 2015-12-23 | 山东电力建设第一工程公司 | A kind of power plant boiler equipment installation single track is walked suspender |
| CN104016220A (en) * | 2014-06-16 | 2014-09-03 | 山东电力建设第一工程公司 | Adjustable loading and unloading hanging bracket of waste heat boiler module |
| CN104016220B (en) * | 2014-06-16 | 2016-01-06 | 山东电力建设第一工程公司 | The adjustable handling suspension bracket of waste heat boiler module |
| CN105240619B (en) * | 2015-11-02 | 2018-05-15 | 无锡华光锅炉股份有限公司 | A kind of economizer piping erecting by overhang |
| CN105240619A (en) * | 2015-11-02 | 2016-01-13 | 无锡华光锅炉股份有限公司 | Pipe system hanging device of coal economizer |
| CN106016233A (en) * | 2016-06-20 | 2016-10-12 | 中国十五冶金建设集团有限公司 | Boiler roof with long span and fewer welding spots and hoisting method for boiler roof |
| CN107043067A (en) * | 2016-12-27 | 2017-08-15 | 四川川锅锅炉有限责任公司 | A kind of S-shaped tube panel boom hoisting |
| CN107043067B (en) * | 2016-12-27 | 2018-09-18 | 四川川锅锅炉有限责任公司 | A kind of S-shaped tube panel boom hoisting |
| CN107010529A (en) * | 2017-06-05 | 2017-08-04 | 上海外高桥造船有限公司 | Derrick branch erects the application method that piece frock hangs code |
| CN107010529B (en) * | 2017-06-05 | 2018-07-20 | 上海外高桥造船有限公司 | Derrick branch erects the application method of piece tooling hanging code |
| CN109099411A (en) * | 2018-10-10 | 2018-12-28 | 哈尔滨哈锅锅炉容器工程有限责任公司 | A kind of boiler heating surface tube panel column pipe structure |
| CN109099411B (en) * | 2018-10-10 | 2023-09-29 | 哈尔滨哈锅锅炉容器工程有限责任公司 | Boiler heating surface tube panel suspension tube structure |
| CN109335962A (en) * | 2018-10-26 | 2019-02-15 | 中国能源建设集团江苏省电力建设第三工程有限公司 | Furnace roof superheater assembly hanging method after a kind of boiler |
| CN111170142A (en) * | 2018-11-12 | 2020-05-19 | 青岛腾远设计事务所有限公司 | A but automatically regulated hanging beam for component hoist and mount |
| CN111170142B (en) * | 2018-11-12 | 2021-09-10 | 青岛腾远设计事务所有限公司 | A but automatically regulated hanging beam for component hoist and mount |
| CN111673872A (en) * | 2020-06-12 | 2020-09-18 | 河南凯煌模板有限公司 | Construction method for prefabricated steel pile and auxiliary system thereof |
| CN113753730A (en) * | 2021-08-31 | 2021-12-07 | 上海宝冶集团有限公司 | Lifting appliance for multi-group combined lifting of reformer furnace tubes and using method thereof |
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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 |
Owner name: DONGFANG MHPS BOLIER CO., LTD. Free format text: FORMER NAME: DONGFANG RILI BOILER CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 314050 No. 1572 South City Road, Nanhu District, Zhejiang, Jiaxing Patentee after: MHPS DONGFANG BOILER CO., LTD. Address before: 314050 No. 1572 South City Road, Nanhu District, Zhejiang, Jiaxing Patentee before: Eastern Hitachi boiler Limited Company Address after: 314050 No. 1572 South City Road, Nanhu District, Zhejiang, Jiaxing Patentee after: MHPS DONGFANG BOILER CO., LTD. Address before: 314050 No. 1572 South City Road, Nanhu District, Zhejiang, Jiaxing Patentee before: Eastern Hitachi boiler Limited Company |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 314036 No. 1267, Chenggong Road, Zhejiang, Jiaxing Patentee after: MHPS DONGFANG BOILER CO., LTD. Address before: 314050 No. 1572 South City Road, Nanhu District, Zhejiang, Jiaxing Patentee before: MHPS DONGFANG BOILER CO., LTD. Address after: 314036 No. 1267, Chenggong Road, Zhejiang, Jiaxing Patentee after: MHPS DONGFANG BOILER CO., LTD. Address before: 314050 No. 1572 South City Road, Nanhu District, Zhejiang, Jiaxing Patentee before: MHPS DONGFANG BOILER CO., LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |