CN112728570A - Smoke exhaust device and thermal generator set - Google Patents
Smoke exhaust device and thermal generator set Download PDFInfo
- Publication number
- CN112728570A CN112728570A CN202011605445.4A CN202011605445A CN112728570A CN 112728570 A CN112728570 A CN 112728570A CN 202011605445 A CN202011605445 A CN 202011605445A CN 112728570 A CN112728570 A CN 112728570A
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- CN
- China
- Prior art keywords
- smoke
- plate
- boiler
- sliding plate
- cover plate
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J13/00—Fittings for chimneys or flues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J13/00—Fittings for chimneys or flues
- F23J13/04—Joints; Connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J13/00—Fittings for chimneys or flues
- F23J13/08—Doors or covers specially adapted for smoke-boxes, flues, or chimneys
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention provides a furnace smoke pumping device and a thermal generator set, and relates to the field of thermal power generation equipment. The furnace smoke pumping device comprises a furnace smoke pumping pipe and a fixing piece, wherein one end of the fixing piece is fixedly connected to the furnace smoke pumping pipe, and the other end of the fixing piece is used for fixedly mounting the furnace smoke pumping pipe; the smoke inlet end of the smoke pipe of the furnace is provided with a sliding plate in a sealing manner, the sliding plate is provided with a smoke inlet, the sliding plate is provided with a mounting plane, and the mounting plane is used for abutting against a matching plane of a cover plate arranged in a sealing manner with a smoke inlet of the furnace. According to the furnace fume extracting device, if the thermal displacement of the cover plate and the thermal displacement of the sliding plate are different, the cover plate and the sliding plate can displace, and alternating thermal stress can not be generated at the joint, so that the sealing connection between the cover plate and the sliding plate can be ensured, and a compensator is not required to be arranged; the boiler is subjected to thermal displacement in the direction close to the sliding plate, so that the butt joint between the cover plate and the sliding plate is tighter; the fixing piece is used for fixing the smoke tube of the boiler and can also buffer and absorb the deformation of the smoke tube of the boiler, so that the smoke tube of the boiler can adapt to the larger thermal expansion deformation of the boiler.
Description
Technical Field
The invention relates to the technical field of thermal power generation equipment, in particular to a furnace smoke pumping device and a thermal power generator set.
Background
In the thermal power generating set, a furnace smoke pumping pipe of a furnace smoke pumping device is welded with a furnace smoke pumping interface of a boiler. When the boiler is operated in a hot state, the boiler fume extracting device generates displacement along with the thermal expansion of the boiler, however, the thermal displacement of the boiler and the boiler fume extracting device is different, so that the joint of the boiler and the boiler fume extracting device is easy to generate alternating thermal stress, and the boiler fume extracting device is easy to damage and generate leakage.
In the prior art, in order to solve the above problems, a compensator made of a non-metallic material is usually arranged between a furnace fume extracting device and a high-temperature furnace fume pipeline at the downstream of the furnace fume extracting device to absorb displacement and deformation of the furnace fume extracting device, however, the temperature of the furnace fume is high, the compensator usually needs to bear the high temperature of more than 800 ℃, the operation condition is severe, and the compensator is easy to damage and leak, thereby affecting the normal production.
Disclosure of Invention
The invention aims to provide a furnace smoke extracting device, which aims to solve the technical problem that in the prior art, a compensator is arranged due to the fact that a connection part of the furnace smoke extracting device and a furnace smoke extracting interface is weak, but the compensator is often damaged and leaks, so that normal production is influenced.
The invention provides a boiler smoke extraction device, wherein a cover plate is hermetically arranged on the end face of a boiler smoke extraction port of a boiler, the cover plate is provided with a smoke outlet, the cover plate is provided with a matching plane, the boiler smoke extraction device comprises a boiler smoke extraction pipe and a fixing piece, one end of the fixing piece is fixedly connected to the boiler smoke extraction pipe, and the other end of the fixing piece is used for fixedly mounting the boiler smoke extraction pipe;
the smoke inlet end of the smoke pipe of the smoke exhaust furnace is provided with a sliding plate in a sealing mode, the sliding plate is provided with a smoke inlet, the sliding plate is provided with a mounting plane, and the mounting plane is used for being abutted to the matching plane.
Furthermore, the edge of slide is provided with a plurality of pressure seal subassemblies, pressure seal subassembly include the fixing base and can for the fixing base pivoted rotates the handle, it is close to rotate the handle the one end of apron is provided with the sealing strip, rotates the handle can make the sealing strip seal the apron with the gap between the slide.
Further, the compression seal assembly further comprises an angle steel, the angle steel comprises a first plate and a second plate which are perpendicular to each other, and the sealing strip is arranged between the first plate and the second plate.
Furthermore, the sliding plate is also provided with a plurality of rolling assemblies, the sliding plate is provided with a plurality of first through grooves, and the plurality of rolling assemblies are in one-to-one correspondence with the plurality of first through grooves;
the rolling assembly comprises a roller and a pin shaft, the roller is coaxially connected with the pin shaft, the roller is positioned in the first through groove, and the roller is tangent to the mounting plane; the pin shaft is fixedly connected to the sliding plate.
Further, the cross section of the first through groove is oblong, and the length of the first through groove extends in the vertical direction;
the cover plate is provided with a plurality of stop blocks, the stop blocks are in one-to-one correspondence with the first through grooves and can be inserted into the corresponding first through grooves, and the stop blocks are used for limiting the sliding plate to be separated from the cover plate along the vertical direction.
Further, the rolling assembly further comprises a fixing plate, the fixing plate is provided with a second through groove, and the second through groove is matched with the first through groove;
the pin shaft is fixedly arranged on the fixing plate, and the fixing plate is fixedly connected with the sliding plate.
Further, the fixing member is a damping member.
Further, the damping member is of a hydraulic type or a spring type.
The furnace smoke pumping device provided by the invention can produce the following beneficial effects:
according to the furnace smoke pumping device provided by the invention, the sliding plate is arranged at the smoke inlet end of the furnace smoke pumping pipe, so that after the furnace smoke pumping pipe is fixed, the mounting plane of the sliding plate is abutted against the matching plane of the cover plate of the furnace smoke pumping interface, and the furnace smoke pumping device is hermetically connected with the furnace smoke pumping interface; when the hot state operation, because take out the connection of stove cigarette device and take out the connection of stove cigarette interface and adopt non-fixed connection's connected mode, so the boiler is heated the back, if the thermal displacement of apron and slide is different, can take place the displacement between the two, and can not produce alternating thermal stress at the junction to can guarantee sealing connection between the two, and also need not to set up the compensator again between the cigarette device of taking out the stove and the high temperature furnace tobacco pipe. In addition, the boiler can make the butt between apron and the slide inseparabler at the thermal displacement of the direction that is close to the slide for leakproofness between the two is better. In addition, the fixing piece is used for fixing the smoke tube of the boiler and can also play a role in buffering and absorbing the deformation of the smoke tube of the boiler, so that the smoke tube of the boiler can adapt to the larger thermal expansion deformation of the boiler.
The second purpose of the invention is to provide a thermal generator set, so as to solve the technical problem that the normal production is affected because the compensator is arranged due to the weak connection between the furnace smoke extracting device and the furnace smoke extracting interface in the prior art, but the compensator is often damaged and leaks.
The thermal generator set provided by the invention comprises a boiler and the furnace smoke extraction device, wherein the boiler is provided with a furnace smoke extraction interface, the end surface of the furnace smoke extraction interface is hermetically provided with a cover plate, and the furnace smoke extraction device is hermetically connected with the cover plate.
Further, the thermal power generating unit further comprises a high-temperature furnace smoke pipeline, and the high-temperature furnace smoke pipeline is directly communicated with a smoke outlet of the furnace smoke pumping device.
The thermal power generator set provided by the invention has all the advantages of the furnace smoke extracting device, so that the description is omitted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a partial, elevational, structural view of the present invention in use with a rolling assembly and a compacting seal assembly not shown;
FIG. 2 is a right side view of a portion of the smoke evacuation device of the present invention in use, with the fasteners not shown;
FIG. 3 is a top view of a portion of the structure of the present invention in use, with the fixture and roller assembly not shown;
FIG. 4 is a schematic structural view of a pressing seal assembly of the fume extractor of the present invention in use;
FIG. 5 is a schematic view of a compression seal assembly of the smoke evacuation device provided in accordance with the present invention;
fig. 6 is a schematic structural view of the rolling assembly of the smoke evacuation device of the present invention in a use state.
Description of reference numerals:
100-smoke exhaust pipe; 200-a slide plate; 300-a fixture; 400-a rolling component; 410-a fixed plate; 411-a second through slot; 420-a roller; 430-pin shaft; 500-compressing the seal assembly; 510-a fixed seat; 520-a turning handle; 530-angle steel; 540-sealing strip;
600-furnace smoke extraction interface; 700-cover plate; 710-stop.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The present embodiment provides a boiler fume extracting device, as shown in fig. 1, an end surface of a boiler fume extracting port 600 of a boiler is hermetically provided with a cover plate 700, the cover plate 700 is provided with a fume outlet, the cover plate 700 has a matching plane, and the boiler fume extracting device is characterized in that the boiler fume extracting device comprises a boiler fume extracting pipe 100 and a fixing member 300, one end of the fixing member 300 is fixedly connected to the boiler fume extracting pipe 100, and the other end is used for fixedly mounting the boiler fume extracting pipe 100; the smoke inlet end of the smoke pipe 100 of the furnace is provided with a sliding plate 200 in a sealing mode, the sliding plate 200 is provided with a smoke inlet, and the sliding plate 200 is provided with a mounting plane which is used for being abutted to a matching plane.
In the smoke exhaust device provided by this embodiment, the sliding plate 200 is disposed at the smoke inlet end of the smoke exhaust pipe 100, so that after the smoke exhaust pipe 100 is fixed, the mounting plane of the sliding plate 200 abuts against the matching plane of the cover plate 700 of the smoke exhaust interface 600, thereby achieving the sealing connection between the smoke exhaust device and the smoke exhaust interface 600. When the boiler is in hot operation, because the connection between the boiler fume pumping device and the boiler fume pumping interface 600 adopts a non-fixed connection mode, after the boiler is heated, if the cover plate 700 and the sliding plate 200 are different in displacement after being heated and expanded, relative displacement can occur between the cover plate 700 and the sliding plate 200, and alternating thermal stress can not be generated at the connection position, so that the sealing connection between the cover plate 700 and the sliding plate can be ensured, and a compensator is not required to be arranged between the boiler fume pumping device and a high-temperature boiler fume pipeline. In addition, the thermal displacement of the boiler in the direction close to the sliding plate 200 can make the abutment between the cover plate 700 and the sliding plate 200 tighter, so that the sealing performance between the two is better. In addition, the fixing member 300 is used for fixing the smoke extraction pipe 100, and also has the function of buffering and absorbing the deformation of the smoke extraction pipe 100, so that the smoke extraction pipe 100 can adapt to the larger thermal expansion deformation of the boiler.
Specifically, in the present embodiment, as shown in fig. 2 to 5, the edge of the sliding plate 200 is provided with a plurality of compression seal assemblies 500, each compression seal assembly 500 includes a fixed seat 510 and a rotating handle 520 capable of rotating relative to the fixed seat 510, one end of the rotating handle 520 close to the cover plate 700 is provided with a sealing strip 540, and the rotating handle 520 is capable of enabling the sealing strip 540 to seal a gap between the cover plate 700 and the sliding plate 200. When the smoke exhaust device is installed, after the sliding plate 200 is installed in place, the rotating handles 520 are rotated to simultaneously contact the sealing strips 540 with the cover plate 700 and the sliding plate 200, so as to enhance the sealing effect of the sliding plate 200.
Specifically, in the present embodiment, as shown in fig. 2, both the cover plate 700 and the slide plate 200 are rectangular plates; the left and right sides of the sliding plate 200 are respectively provided with two pressing seal assemblies 500, and the pressing seal assemblies 500 on the left and right sides of the sliding plate 200 are symmetrically arranged. Of course, in other embodiments of the present application, the number of compression seal assemblies 500 is not limited to four, for example: the number of the pressing seal assemblies 500 is six, and in addition to four in the arrangement form, the upper and lower sides of the sliding plate 200 are respectively provided with one pressing seal assembly 500; further, even if the number of the compression seal assemblies 500 is four, the arrangement thereof is not limited to the above manner, for example: the four pressing seal assemblies 500 are respectively disposed at four edge portions of the upper, lower, left and right sides of the slide plate 200.
Specifically, in this embodiment, as shown in fig. 5, the pressing seal assembly 500 further includes an angle iron 530, the angle iron 530 includes a first plate and a second plate perpendicular to each other, and the sealing strip 540 is disposed between the first plate and the second plate. The first plate and the second plate of the angle steel 530 respectively form a limit to the sealing strip 540 in two directions, so that the sealing strip 540 extrudes the matching plane of the cover plate 700 and the side surface of the sliding plate 200 after being heated and expanded, thereby being beneficial to ensuring the sealing strengthening effect.
Specifically, in the present embodiment, as shown in fig. 6, the sliding plate 200 is further provided with a plurality of rolling assemblies 400, the sliding plate 200 is provided with a plurality of first through grooves, and the plurality of rolling assemblies 400 correspond to the plurality of first through grooves one to one; the rolling assembly 400 comprises a roller 420 and a pin 430, the roller 420 is coaxially connected with the pin 430, the roller 420 is located in the first through groove, and the roller 420 is tangent to the installation plane; the pin 430 is fixedly coupled to the slide plate 200. With this arrangement, when the sliding plate 200 and the cover plate 700 are displaced relative to each other, the roller 420 can roll relative to the cover plate 700 to roll instead of sliding between the sliding plate 200 and the cover plate 700, thereby reducing the friction between the sliding plate 200 and the cover plate 700, i.e. reducing the relative motion resistance between the two.
Specifically, in the present embodiment, as shown in fig. 2, the number of the rolling assemblies 400 is four, and the four rolling assemblies 400 are respectively disposed at four corners of the sliding plate 200. Of course, in other embodiments of the present application, the number of the rolling assemblies 400 is not limited to four, and even if the number is four, the arrangement of the four rolling assemblies 400 is not limited to the above form, and the user can appropriately adjust the number of the rolling assemblies 400 according to the size of the skateboard 200, for example: when the size of the slide board 200 is large, the number of the rolling assemblies 400 may be eight, and one more rolling assembly 400 may be disposed at a middle position of two adjacent rolling assemblies 400, in addition to four in the above arrangement.
Specifically, in this embodiment, the cross section of the first through groove is oblong, and the length of the first through groove extends in the up-down direction; the cover plate 700 is provided with a plurality of stoppers 710, the stoppers 710 correspond to the first through grooves one by one, and can be inserted into the corresponding first through grooves, and the stoppers 710 are used for limiting the sliding plate 200 to be separated from the cover plate 700 along the vertical direction. Under this kind of the form that sets up, the cooperation of first logical groove and dog 710 can effectively avoid slide 200 to break away from apron 700 to guarantee sealed effect, can also guarantee slide 200 and apron 700 and can have great displacement in the upper and lower direction, adapted to the great condition of boiler thermal displacement in the direction of height.
Specifically, in this embodiment, the rolling assembly 400 further includes a fixing plate 410, the fixing plate 410 is provided with a second through slot 411, and the second through slot 411 is matched with the first through slot; the pin 430 is fixedly disposed on the fixing plate 410, and the fixing plate 410 is fixedly connected to the sliding plate 200. With this arrangement, the rolling assembly 400 is more modular, thereby facilitating assembly, replacement, and the like.
Specifically, in the present embodiment, the fixing member 300 is a damping member. With such an arrangement, the fixing member 300 can bear the weight of the smoke exhaust device, and can better buffer the acting force of the sliding plate 200 acting on the smoke exhaust pipe 100, thereby protecting the smoke exhaust pipe 100.
Specifically, in the present embodiment, the damper is of a hydraulic type or a spring type.
More specifically, in this embodiment, the damper suspends the smoke extraction tube 100 in the installed position.
The embodiment also provides a thermal power generating unit, which comprises a boiler and the above boiler smoke extraction device, wherein the boiler is provided with a boiler smoke extraction port 600, the end surface of the boiler smoke extraction port 600 is hermetically provided with a cover plate 700, and the boiler smoke extraction device is hermetically connected with the cover plate 700.
In the thermal power generating unit provided by this embodiment, the smoke exhaust device adopts the sealing device including the sliding plate 200, so that the smoke exhaust device can be separated from the boiler body, and the smoke exhaust device becomes an independent and stable system; in the hot working condition, the boiler smoke extracting device does not move along with the water-cooled wall of the boiler; meanwhile, the self-sealing effect generated by the thermal expansion of the boiler is effectively utilized, the sealing effect is enhanced by the compression sealing assembly 500 and the fixing member 300 having the damping, and the friction force between the sliding plate 200 and the cover plate 700 is reduced by the rolling assembly 400.
Specifically, in this embodiment, the thermal generator set further includes a high-temperature furnace flue pipe, and the high-temperature furnace flue pipe is directly communicated with the smoke outlet of the furnace smoke pumping device. The smoke exhaust device and the high-temperature furnace smoke pipeline connected with the smoke exhaust device are fixed in relative positions, so that thermal state analysis of the pipeline is simplified, the design of the supporting and hanging bracket is improved, the use stability of the pipeline is improved, and various risks caused by thermal expansion force are reduced.
Finally, it is further noted that, herein, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A boiler smoke pumping device is characterized in that the boiler smoke pumping device comprises a boiler smoke pumping pipe (100) and a fixing piece (300), one end of the fixing piece (300) is fixedly connected to the boiler smoke pumping pipe (100), and the other end of the fixing piece is used for fixedly mounting the boiler smoke pumping pipe (100);
the smoke inlet end of the smoke exhaust pipe (100) is provided with a sliding plate (200) in a sealing mode, the sliding plate (200) is provided with a smoke inlet, the sliding plate (200) is provided with a mounting plane, and the mounting plane is used for being abutted to the matching plane.
2. The smoke extracting device according to claim 1, wherein the edge of the sliding plate (200) is provided with a plurality of compression seal assemblies (500), each compression seal assembly (500) comprises a fixed seat (510) and a rotating handle (520) capable of rotating relative to the fixed seat (510), one end of the rotating handle (520) close to the cover plate (700) is provided with a sealing strip (540), and the rotating handle (520) can be rotated to enable the sealing strip (540) to seal a gap between the cover plate (700) and the sliding plate (200).
3. The smoke evacuation device of claim 2, wherein said pinch seal assembly (500) further comprises an angle iron (530), said angle iron (530) comprising a first plate and a second plate perpendicular to each other, said seal strip (540) being disposed between said first plate and said second plate.
4. The fume extraction device according to any of the claims 1 to 3, wherein said slide plate (200) is further provided with a plurality of rolling assemblies (400), said slide plate (200) is provided with a plurality of first through slots, a plurality of said rolling assemblies (400) are in one-to-one correspondence with a plurality of said first through slots;
the rolling assembly (400) comprises a roller (420) and a pin shaft (430), the roller (420) is coaxially connected with the pin shaft (430), the roller (420) is located in the first through groove, and the roller (420) is tangent to the installation plane; the pin shaft (430) is fixedly connected to the sliding plate (200).
5. The smoke extracting apparatus according to claim 4, wherein the first through groove has an oblong cross section and a length extending in an up-down direction;
the cover plate (700) is provided with a plurality of stop blocks (710), the stop blocks (710) correspond to the first through grooves in a one-to-one mode and can be inserted into the corresponding first through grooves, and the stop blocks (710) are used for limiting the sliding plate (200) to be separated from the cover plate (700) in the vertical direction.
6. A fume extractor device according to claim 5, characterized in that said rolling assembly (400) further comprises a fixed plate (410), said fixed plate (410) being provided with a second through slot (411), said second through slot (411) matching said first through slot;
the pin shaft (430) is fixedly arranged on the fixing plate (410), and the fixing plate (410) is fixedly connected to the sliding plate (200).
7. The smoker box device according to claim 4, wherein the fixing member (300) is a damping member.
8. The smoke evacuation device of claim 7, wherein said damping member is of a hydraulic type or a spring type.
9. A thermal generator set, characterized by comprising a boiler and the smoke exhaust device of any one of claims 1 to 8, wherein the boiler is provided with a smoke exhaust interface (600), the end surface of the smoke exhaust interface (600) is provided with a cover plate (700) in a sealing manner, and the smoke exhaust device is connected with the cover plate (700) in a sealing manner.
10. The thermal generator set of claim 9, further comprising a high temperature furnace flue conduit in direct communication with the smoke outlet of the smoke evacuation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011605445.4A CN112728570A (en) | 2020-12-29 | 2020-12-29 | Smoke exhaust device and thermal generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011605445.4A CN112728570A (en) | 2020-12-29 | 2020-12-29 | Smoke exhaust device and thermal generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112728570A true CN112728570A (en) | 2021-04-30 |
Family
ID=75610681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011605445.4A Withdrawn CN112728570A (en) | 2020-12-29 | 2020-12-29 | Smoke exhaust device and thermal generator set |
Country Status (1)
| Country | Link |
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| CN (1) | CN112728570A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104204668A (en) * | 2012-01-12 | 2014-12-10 | 福斯特韦勒能源股份公司 | Expansion joint in a vertical channel |
| CN204240374U (en) * | 2014-11-20 | 2015-04-01 | 赵军 | A kind of boiler uptake seal door structure |
| RU166122U1 (en) * | 2015-11-18 | 2016-11-20 | Акционерное общество "Завод котельного оборудования" | GAS SUPPORT |
| CN207268457U (en) * | 2017-10-23 | 2018-04-24 | 黑龙江省华能电力技术有限公司 | It is a kind of to be used for boiler smoking mouth and the seal assembly of high temperature boiler flue gas tube junction |
| CN207797090U (en) * | 2018-01-31 | 2018-08-31 | 哈尔滨锅炉厂有限责任公司 | A kind of sliding connection structure for bypass flue |
| CN209340650U (en) * | 2019-01-18 | 2019-09-03 | 盐城市锦尚机械有限公司 | A kind of boiler tubing adjustable dish spring bearing hanger |
| CN209354767U (en) * | 2019-01-18 | 2019-09-06 | 盐城市锦尚机械有限公司 | A kind of boiler tubing constant-force disk spring support hanger |
-
2020
- 2020-12-29 CN CN202011605445.4A patent/CN112728570A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104204668A (en) * | 2012-01-12 | 2014-12-10 | 福斯特韦勒能源股份公司 | Expansion joint in a vertical channel |
| CN204240374U (en) * | 2014-11-20 | 2015-04-01 | 赵军 | A kind of boiler uptake seal door structure |
| RU166122U1 (en) * | 2015-11-18 | 2016-11-20 | Акционерное общество "Завод котельного оборудования" | GAS SUPPORT |
| CN207268457U (en) * | 2017-10-23 | 2018-04-24 | 黑龙江省华能电力技术有限公司 | It is a kind of to be used for boiler smoking mouth and the seal assembly of high temperature boiler flue gas tube junction |
| CN207797090U (en) * | 2018-01-31 | 2018-08-31 | 哈尔滨锅炉厂有限责任公司 | A kind of sliding connection structure for bypass flue |
| CN209340650U (en) * | 2019-01-18 | 2019-09-03 | 盐城市锦尚机械有限公司 | A kind of boiler tubing adjustable dish spring bearing hanger |
| CN209354767U (en) * | 2019-01-18 | 2019-09-06 | 盐城市锦尚机械有限公司 | A kind of boiler tubing constant-force disk spring support hanger |
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Application publication date: 20210430 |
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