CN112268111A - Furnace wall trompil seals tile - Google Patents
Furnace wall trompil seals tile Download PDFInfo
- Publication number
- CN112268111A CN112268111A CN202011189327.XA CN202011189327A CN112268111A CN 112268111 A CN112268111 A CN 112268111A CN 202011189327 A CN202011189327 A CN 202011189327A CN 112268111 A CN112268111 A CN 112268111A
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- Prior art keywords
- sealing
- ring
- front cover
- sheath
- gland
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
- F16J15/184—Tightening mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
- F16J15/24—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings with radially or tangentially compressed packing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Furnace Details (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a furnace wall perforated sealing tile, which comprises a sealing front cover and a sealing gland, wherein the sealing front cover and the sealing gland are sleeved on the periphery of cylindrical equipment, the sealing front cover comprises a cylindrical front cover body, the front end of the front cover body is provided with a sealing surface which extends inwards along the radial direction and is used for being attached to a furnace wall, a sealing cavity is formed between the inner side of the front cover body and the sealing surface, sealing filler is arranged in the sealing cavity, the rear end of the front cover body is provided with a front cover connecting ring which extends outwards along the radial direction, the sealing gland comprises an annular gland connecting ring, a pressing bulge used for pressing the sealing filler is arranged on the inner side of the gland connecting ring, and the front cover connecting ring and the gland connecting ring are connected. The pressing bulge compacts the sealing filler under the action of the bolt pretightening force, and the sealing filler is tightly attached to the outer side face of the cylindrical equipment and the inner side face of the sealing cavity. The gap between the furnace wall and the cylindrical equipment is completely sealed by the sealing surface and the sealing filler, so that the sealing performance of the opening position of the boiler is improved.
Description
Technical Field
The invention relates to the technical field of sealing equipment, in particular to a furnace wall perforated sealing tile.
Background
Boiler air leakage of modern large thermal power enterprises is a common phenomenon of boiler units, and influences economic operation of the boiler units. The air leakage of the boiler can be divided into furnace air leakage, flue air leakage behind the furnace outlet and air leakage of a powder making system according to the air leakage part. In general, the boiler is in a micro negative pressure state (10-20 Pa) in operation, and the inside of a hearth and a flue is kept slightly lower than the atmospheric pressure of the environment outside the boiler so as to avoid flaming, smoking and spitting ash outside the boiler. Therefore, air leaks into the hearth and the flue from the outside of the furnace at the unclosed positions of the furnace door, the fire observation hole, the furnace wall and the flue. Boiler air leakage influences heat transfer and heat efficiency, and reduction and elimination of boiler air leakage have great significance for improving the economical efficiency of unit operation and improving the economic benefit of power plant enterprises.
Boiler air leakage is most serious especially at the frequently movable openings, such as: the fire detection cooling air gun pipe inlet, the coal powder sampling gun pipe, the long and short soot blowing guns, the oil guns, the plasma ignition guns and the like enter the opening of the furnace body. The device needs to go in and out of the furnace wall frequently based on different functions, frequent abrasion of the openings is inevitable, gaps are formed in all the openings in time, the negative pressure type boiler sucks cold air into a hearth through the openings, heat transfer and heat efficiency of the boiler are reduced, coal consumption of the boiler is increased, and economical efficiency is affected.
Therefore, how to seal the furnace wall opening part is a technical problem which needs to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a furnace wall opening sealing tile which is attached to a furnace wall through a sealing surface and is attached to the periphery of cylindrical equipment through sealing filler, so that a gap between the cylindrical equipment and a furnace wall opening is filled, and the sealing performance of a boiler opening position is improved.
In order to achieve the purpose, the invention provides a furnace wall perforated sealing tile which comprises a sealing front cover and a sealing gland, wherein the sealing front cover and the sealing gland are sleeved on the periphery of cylindrical equipment, the sealing front cover comprises a cylindrical front cover body, the front end of the front cover body is provided with a sealing surface which extends inwards along the radial direction and is used for being attached to a furnace wall, a sealing cavity is formed between the inner side of the front cover body and the sealing surface, sealing filler is arranged in the sealing cavity, the rear end of the front cover body is provided with a front cover connecting ring which extends outwards along the radial direction, the sealing gland comprises an annular gland connecting ring, the inner side of the gland connecting ring is provided with a pressing bulge used for pressing the sealing filler, and the front cover connecting ring and the gland connecting ring are connected through a pressing bolt.
Preferably, the sealing device further comprises a sealing sheath positioned between the sealing front cover and the sealing gland, the sealing sheath is cylindrical, the diameter of the sealing sheath is equal to that of the front cover body, the inner diameter of the sealing sheath is larger than the outer diameter of the circumference where the pressing bulge is located, and the sealing filler is also arranged between the sealing sheath and the cylindrical equipment.
Preferably, the inner side of the sealing sheath is provided with a radially extending isolation ring, the sealing filler comprises sealing rings arranged on the front side of the isolation ring and in the sealing cavity and a high-elasticity sealing element arranged on the rear side of the isolation ring, and the compression protrusion is used for compressing the high-elasticity sealing element.
Preferably, the sealing device further comprises a sealing middle cover located between the sealing front cover and the sealing sheath, the sealing middle cover comprises a pressing cylinder and a middle cover connecting ring located on the outer side of the pressing cylinder and extending outwards along the radial direction of the pressing cylinder, the outer diameter of the pressing cylinder is smaller than or equal to the inner diameter of the front cover body, the front end of the pressing cylinder abuts against the sealing ring in the sealing cavity, and the front end of the sealing sheath abuts against the rear side face of the middle cover connecting ring.
Preferably, a high-temperature sealing gasket is arranged between the middle cover connecting ring and the front cover connecting ring.
Preferably, the front end face or the rear end face of the high-elasticity sealing member is provided with a deformation groove.
Preferably, the sealing sheath comprises two sheath half-tiles with semicircular cross sections, connecting lugs are arranged at two circumferential ends of the sheath plate tiles and located in the middle of the sealing sheath in the axial direction, the connecting lugs are provided with lug holes perpendicular to the splitting plane of the sheath plate tiles, and the two sheath half-tiles are connected through bolts.
Preferably, the sealing ring comprises two semicircular valve rings which are connected through a dovetail groove structure.
Preferably, two the lamella circle is first lamella circle and second lamella circle respectively, the both ends of first lamella circle are equipped with the connecting block, the both ends of second lamella circle be equipped with connecting block matched with spread groove, the connecting block is along keeping away from the direction width of first lamella circle circumference terminal surface increases gradually, the spread groove is along keeping away from the width that second lamella circled circumference terminal surface also increases gradually, the connecting block with the spread groove cooperation forms the dovetail structure.
The furnace wall perforated sealing tile provided by the invention comprises a sealing front cover and a sealing gland, wherein the sealing front cover and the sealing gland are sleeved on the periphery of cylindrical equipment, the sealing front cover comprises a cylindrical front cover body, the front end of the front cover body is provided with a sealing surface which extends inwards along the radial direction and is used for being attached to a furnace wall, a sealing cavity is formed between the inner side of the front cover body and the sealing surface, sealing filler is arranged in the sealing cavity, the rear end of the front cover body is provided with a front cover connecting ring which extends outwards along the radial direction, the sealing gland comprises an annular gland connecting ring, a pressing bulge used for pressing the sealing filler is arranged on the inner side of the gland connecting ring, and the front cover connecting ring and the gland connecting ring are connected.
When the furnace wall opening sealing tile is used, the sealing surface is attached to the furnace wall. And a sealing cavity is formed among the sealing surface, the cylindrical equipment and the front cover body, and sealing filler is filled in the sealing cavity. The sealing gland and the sealing front cover are connected through a compression bolt, the sealing filler is compacted by a compression ring under the action of bolt pre-tightening force, and the sealing filler is tightly attached to the outer side surface of the cylindrical equipment and the inner side surface of the sealing cavity. The gap between the furnace wall and the cylindrical equipment is completely sealed by the sealing surface and the sealing filler, so that the sealing performance of the opening position of the boiler is improved.
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 schematic structural view of a furnace wall opening sealing tile provided by the invention;
FIG. 2 is a top view of the furnace wall opening sealing shoe of FIG. 1;
fig. 3 is a schematic structural diagram of the sealing ring in fig. 1.
Wherein the reference numerals in fig. 1 to 3 are:
the high-temperature sealing gasket comprises a high-temperature sealing gasket 1, a sealing sheath 2, a sealing ring 3, a high-elasticity sealing element 4, a sealing gland 5, a sealing middle cover 6, a sealing front cover 7, a cylindrical device 8, an ear hole 21, a first valve ring 31, a second valve ring 32, a connecting block 33 and a connecting groove 34.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, fig. 1 is a schematic structural view of a furnace wall opening sealing tile according to the present invention; FIG. 2 is a top view of the furnace wall opening sealing shoe of FIG. 1; fig. 3 is a schematic structural diagram of the sealing ring in fig. 1.
The furnace wall perforated sealing tile provided by the invention has a structure shown as 1, and comprises a sealing front cover 7 and a sealing gland 5 which are both annular structural members and are sleeved on the periphery of a cylindrical device 8. Specifically, the front sealing cover 7 includes a front cover body, a sealing surface, and a front cover coupling ring. Wherein, the front cover body is in a cylinder shape, and the inner diameter of the front cover body is larger than the outer diameter of the cylindrical equipment 8. The sealing surface is annular and is positioned at the front end of the front cover body and extends inwards along the radial direction. The front cover connecting ring is also annular and is positioned at the rear end of the front cover body and extends outwards along the radial direction. A sealing cavity is formed among the inner side of the front cover body, the sealing surface and the outer side surface of the cylindrical equipment 8, and sealing filler is arranged in the sealing cavity, so that a gap between the perforated sealing tile of the furnace wall and the cylindrical equipment 8 is sealed, and air is prevented from entering the boiler along the axial direction. The sealing surface is attached to the furnace wall, so that air is prevented from entering the boiler along the radial direction. The sealing gland 5 is positioned at the rear of the sealing front cover 7, and the sealing gland 5 comprises an annular gland connecting ring and a pressing bulge positioned on the front side surface of the gland connecting ring. The pressing bulge is in a circular ring shape, the front cover connecting ring and the gland connecting ring are both provided with connecting holes which run through along the thickness direction, the front cover connecting ring and the gland connecting ring are connected through pressing bolts, and the bolt pretightening force enables the pressing bulge to press the sealing filler.
Optionally, the sealing filler may be specifically an annular sealing ring 3, and the sealing ring 3 may be made of sulfonated graphite nickel wire, which has an advantage of high temperature resistance. A plurality of sealing rings 3 can be arranged in the sealing cavity along the axial direction. In addition, for the convenience of installation, the sealing ring 3 comprises two semicircular valve rings which are connected through a dovetail groove structure. As shown in fig. 3, the two rings are a first ring 31 and a second ring 32, which are connected to form a ring structure. The end surfaces of the two ends of the first valve ring 31 are provided with connecting blocks 33, and the end surfaces of the two ends of the second valve ring 32 are provided with connecting grooves 34 matched with the connecting blocks 33. The connecting block 33 gradually increases in width in a direction away from the circumferential end surface of the first petal ring 31, and the connecting groove 34 also gradually increases in width in a direction away from the circumferential end surface of the second petal ring 32. When the first valve ring 31 and the second valve ring 32 are connected, the connecting block 33 is embedded into the connecting groove 34, and the connecting block 33 and the connecting groove 34 are shaped to form a circumferential limit, so that the first valve ring 31 and the second valve ring 32 are prevented from being separated. The connecting block 33 and the connecting groove 34 are formed in a dovetail groove structure. Of course, the user may also use other dovetail groove structures as needed, and is not limited herein. When the sealing ring 3 is installed, the two valve rings are arranged on two sides of the cylindrical equipment 8, and then the connecting block 33 and the connecting groove 34 are connected.
In addition, in order to conveniently seal the installed cylindrical equipment 8, the sealing front cover 7 and the sealing gland 5 can also be divided into two parts along the axis, and the sealing surface of the sealing front cover 7, the front cover connecting ring and the gland connecting ring of the sealing gland 5 adopt dovetail groove structures. When the furnace wall perforated sealing tile is installed, the periphery of the cylindrical equipment 8 is assembled firstly, and then the furnace wall perforated sealing tile is fixed through the compression bolts. Of course, the axial cross-sections of the front seal cover 7, the gland cover 5 and the seal ring 3 are usually offset from one another.
Optionally, the furnace wall perforated sealing tile further comprises a sealing sheath 2, and the sealing sheath 2 is positioned between the sealing front cover 7 and the sealing gland 5. Specifically, as shown in fig. 1 and 2, the sealing sheath 2 is cylindrical, the diameter of the sealing sheath is equal to that of the front cover body, and the inner diameter of the sealing sheath 2 is greater than or equal to the outer diameter of the circumference of the pressing protrusion on the sealing gland 5. A sealing ring 3 is also arranged between the sealing sheath 2 and the cylindrical device 8. Since the outer edge surface of the cylindrical device 8 is generally rough, the addition of the sealing boot 2 increases the amount of packing and thus improves the sealing effect.
Optionally, the inner side of the sealing sheath 2 is provided with a radially extending spacer ring, as shown in fig. 1, which is ring-shaped and has an inner diameter greater than or equal to the outer diameter of the cylindrical device 8. The isolation ring is positioned in the middle of the sealing sheath 2, and two cavities positioned in front of and behind the isolation ring are formed on the inner side of the sealing sheath 2. The seal ring 3 is arranged on the front side of the isolation ring, the high-elastic sealing part 4 is arranged on the rear side of the isolation ring, and the high-elastic sealing part 4 can be specifically a rubber seal ring 3. The high elastic sealing member 4 can be pressed from the axial direction by the pressing protrusion of the gland 5. In addition, a deformation groove is formed in the front end face or the rear end face of the high-elasticity sealing element 4 for improving the sealing performance, and after the high-elasticity sealing element is extruded by the pressing protrusion, the deformation groove is unfolded, so that the contact area between the high-elasticity sealing element 4 and the isolation ring or the pressing protrusion is increased, and the radial sealing performance is improved. Of course, the elastomeric seal 4 could also be split axially and connected by a dovetail configuration.
Alternatively, the sealing boot 2 is split axially to form two boot half-tiles. The both ends of sheath board tile circumference all are equipped with the engaging lug that the parallel subdivision extends outward, and the engaging lug is located 2 ascending middle parts in axial of sealed sheath. The connecting lug is provided with a lug hole 21 vertical to the subdivision plane of the sheath plate tile, and the two sheath half tiles are connected through a bolt. The high-elastic sealing element 4 and the sealing ring 3 are tightly attached to the outer side wall of the cylindrical equipment 8 under the extrusion of the pretightening force of the bolt, and therefore the furnace wall perforated sealing tile is guaranteed to have good sealing performance in the axial direction.
Optionally, the sealing device further comprises a sealing middle cover 6 positioned between the sealing front cover 7 and the sealing sheath 2, wherein the sealing middle cover 6 comprises a pressing cylinder and a middle cover pressing ring, and the middle cover pressing ring is positioned outside the pressing cylinder and extends outwards along the radial direction of the pressing cylinder. The outer diameter of the pressing cylinder is smaller than or equal to the inner diameter of the front cover body, so that the front end of the pressing ring can be inserted into the front cover body and is abutted against the sealing ring 3 in the sealing cavity. The front end of the sealing sheath 2 is propped against the rear side surface of the middle cover connecting ring. The middle cover pressing ring is also provided with a connecting hole penetrating along the thickness direction, and the pressing bolt penetrates through the connecting hole to be connected.
A high-temperature sealing gasket 1 is arranged between the middle cover connecting ring and the front cover connecting ring. The high-temperature sealing gasket 1 can be a copper gasket, and the front end surface and the rear end surface of the high-temperature sealing gasket are tightly attached to the front cover connecting ring and the middle cover connecting ring respectively under the action of the compression bolts, so that air is prevented from entering the furnace wall perforated sealing tile. In addition, the high-temperature sealing gasket 1 and the sealing middle cover 6 can be split along the axial direction, and the high-temperature sealing gasket 1 and the sealing middle cover connecting ring can be connected through a dovetail groove structure.
In this embodiment, the furnace wall opening sealing tile is attached to the furnace wall through the sealing surface of the sealing front cover 7, and the sealing front cover 7, the sealing middle cover 6 and the sealing gland 5 are axially compressed by the compression bolt, so that air is prevented from entering the furnace wall opening sealing tile along the radial direction, and the radial sealing performance of the opening is ensured. Simultaneously, still be equipped with sealed sheath 2 in the stove wall trompil sealed tile, two sheath half-tiles in the sealed sheath 2 pass through bolt fastening connection, and high-elastic sealing member 4 in the sealed sheath 2 is closely laminated with the surface of cylindrical equipment 8 under the effect of bolt pretension, has guaranteed the axial leakproofness of trompil department. In addition, the sealing front cover 7, the sealing middle cover 6, the sealing gland 5 and the like are spliced into a circular structure through structures such as dovetail grooves. The furnace wall perforated sealing tile can be installed in a mode of splicing the periphery of the cylindrical equipment 8 and then fastening, so that sealing can be completed without disassembling the cylindrical equipment 8.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The furnace wall opening sealing tile provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a furnace wall trompil sealing tile, its characterized in that includes sealed protecgulum (7) and gland (5), and the two is all establishing the periphery at cylinder equipment (8), sealed protecgulum (7) include the protecgulum body of tube-shape, protecgulum body front end is equipped with along radial inside extension, is used for the sealed face with the furnace wall laminating, the inboard of protecgulum body with form the seal chamber between the sealed face, be equipped with the sealing filler in the seal chamber, protecgulum body rear end is equipped with along the radial outside protecgulum connecting ring that extends, gland (5) include annular gland connecting ring, the inboard of gland connecting ring is equipped with and is used for compressing tightly the protruding that compresses tightly of sealing filler, the protecgulum connecting ring with the gland connecting ring passes through compression bolt and links to each other.
2. The furnace wall perforated sealing tile according to claim 1, further comprising a sealing sheath (2) located between the sealing front cover (7) and the sealing gland (5), wherein the sealing sheath (2) is cylindrical, the diameter of the sealing sheath is equal to that of the front cover body, the inner diameter of the sealing sheath (2) is larger than the outer diameter of the circumference of the pressing protrusion, and the sealing filler is also arranged between the sealing sheath (2) and the cylindrical device (8).
3. The brickwork tapping seal tile of claim 2, wherein the sealing sheath (2) is provided with a radially extending spacer ring inside, the sealing filler comprises sealing rings (3) arranged in the front side of the spacer ring and the sealing cavity, and a high-elasticity sealing element (4) arranged on the rear side of the spacer ring, and the pressing protrusion is used for pressing the high-elasticity sealing element (4).
4. The furnace wall perforated sealing tile according to claim 3, further comprising a sealing middle cover (6) located between the sealing front cover (7) and the sealing sheath (2), wherein the sealing middle cover (6) comprises a pressing cylinder and a middle cover connecting ring located outside the pressing cylinder and extending outwards along the radial direction of the pressing cylinder, the outer diameter of the pressing cylinder is smaller than or equal to the inner diameter of the front cover body, the front end of the pressing cylinder abuts against the sealing ring (3) in the sealing cavity, and the front end of the sealing sheath (2) abuts against the rear side face of the middle cover connecting ring.
5. The brickwork aperture sealing tile according to claim 4, characterized in that a high temperature gasket (1) is provided between the middle cover connection ring and the front cover connection ring.
6. The brickwork aperture sealing tile according to claim 3, characterized in that the front or rear end face of the elastomeric seal (4) is provided with a deformation groove.
7. The brickwork tapping seal tile according to any one of claims 3 to 6, wherein the seal sheath (2) comprises two sheath half-tiles with semicircular cross sections, the two circumferential ends of the sheath plate tile are provided with connecting lugs, the connecting lugs are positioned in the middle of the seal sheath (2) in the axial direction, the connecting lugs are provided with lug holes (21) perpendicular to the splitting plane of the sheath plate tile, and the two sheath half-tiles are connected through bolts.
8. The brickwork aperture sealing tile according to any one of claims 3 to 6, characterized in that the sealing ring (3) comprises two semicircular segment rings connected by a dovetail groove structure.
9. The hearth wall opening sealing tile according to claim 8, wherein the two petal rings are a first petal ring (31) and a second petal ring (32), connecting blocks (33) are arranged at two ends of the first petal ring (31), connecting grooves (34) matched with the connecting blocks (33) are arranged at two ends of the second petal ring (32), the width of the connecting blocks (33) is gradually increased along a direction far away from the circumferential end surface of the first petal ring (31), the width of the connecting grooves (34) is also gradually increased along a direction far away from the circumferential end surface of the second petal ring (32), and the connecting blocks (33) and the connecting grooves (34) are matched to form the dovetail groove structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011189327.XA CN112268111A (en) | 2020-10-30 | 2020-10-30 | Furnace wall trompil seals tile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011189327.XA CN112268111A (en) | 2020-10-30 | 2020-10-30 | Furnace wall trompil seals tile |
Publications (1)
| Publication Number | Publication Date |
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| CN112268111A true CN112268111A (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011189327.XA Pending CN112268111A (en) | 2020-10-30 | 2020-10-30 | Furnace wall trompil seals tile |
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| CN (1) | CN112268111A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322312A (en) * | 2021-11-27 | 2022-04-12 | 无锡锡成锅炉有限公司 | Boiler cover with stable fixed connection and good sealing effect |
| CN114719624A (en) * | 2022-04-29 | 2022-07-08 | 二重（德阳）重型装备有限公司 | High-temperature rotor rotary sealing structure, mounting method and control method of compensation pressure |
-
2020
- 2020-10-30 CN CN202011189327.XA patent/CN112268111A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322312A (en) * | 2021-11-27 | 2022-04-12 | 无锡锡成锅炉有限公司 | Boiler cover with stable fixed connection and good sealing effect |
| CN114719624A (en) * | 2022-04-29 | 2022-07-08 | 二重（德阳）重型装备有限公司 | High-temperature rotor rotary sealing structure, mounting method and control method of compensation pressure |
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