CN111396917A - Be applicable to supercharged boiler side wall refractory material masonry structure - Google Patents
Be applicable to supercharged boiler side wall refractory material masonry structure Download PDFInfo
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- CN111396917A CN111396917A CN202010291765.0A CN202010291765A CN111396917A CN 111396917 A CN111396917 A CN 111396917A CN 202010291765 A CN202010291765 A CN 202010291765A CN 111396917 A CN111396917 A CN 111396917A
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- refractory
- side wall
- masonry structure
- wall steel
- plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M5/00—Casings; Linings; Walls
- F23M5/02—Casings; Linings; Walls characterised by the shape of the bricks or blocks used
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M5/00—Casings; Linings; Walls
- F23M5/04—Supports for linings
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention relates to a masonry structure suitable for a side wall refractory material of a supercharged boiler, belonging to the technical field of energy sources, aiming at meeting the requirements of continuous and stable operation and easy replacement and maintenance of the supercharged boiler, the masonry structure comprises a refractory filling material, a heat-insulating plate, a hearth side wall steel plate, a plurality of refractory brick connecting pendants and a plurality of refractory bricks; the N refractory bricks are uniformly arranged on the inner wall of the hearth side wall steel plate to form a refractory layer, each refractory brick is fixedly connected with the hearth side wall steel plate through a refractory brick connecting hanging piece, a refractory filling material and an insulation board are sequentially arranged between the refractory layer and the hearth side wall steel plate from inside to outside, the insulation board is fixedly connected with the hearth side wall steel plate, and the refractory filling material is clamped and fixed through the refractory layer and the insulation board.
Description
Technical Field
The invention belongs to the technical field of energy, and particularly relates to a refractory material masonry structure suitable for a side wall of a supercharged boiler.
Background
The boiler furnace has the characteristics of high working temperature, large thermal load, severe air flow fluctuation and the like. In the conventional boiler, the design of the size of a hearth tends to be conservative due to the consideration of safe and stable operation, and the requirement on the fireproof and heat-insulating properties of the side wall of the hearth is not high. The supercharged boiler further reduces the size of the hearth due to the pressurization treatment of the air, and has higher requirements on the fireproof and heat-insulating properties of the side wall of the hearth. The refractory material masonry structure can bear the high temperature generated by boiler supercharged combustion, effectively insulate heat, reduce heat loss, improve the overall thermal efficiency of the boiler and simultaneously protect the safety of the inner shell and other parts of the boiler. Therefore, the development of the refractory material masonry structure suitable for the side wall of the supercharged boiler has very important significance on the operation safety and efficiency of the boiler.
Disclosure of Invention
The invention provides a refractory material masonry structure suitable for a side wall of a supercharged boiler in order to meet the requirements of continuous and stable operation and easy replacement and maintenance of the supercharged boiler;
a masonry structure suitable for a side wall refractory material of a supercharged boiler comprises a refractory filling material, a heat insulation board, a hearth side wall steel plate, a plurality of refractory brick connecting pendants and a plurality of refractory bricks; the refractory bricks are uniformly arranged on the inner wall of the hearth side wall steel plate to form a refractory layer, each refractory brick is fixedly connected with the hearth side wall steel plate through a refractory brick connecting hanging piece, a refractory filling material and an insulation board are sequentially arranged between the refractory layer and the hearth side wall steel plate from inside to outside, the insulation board is fixedly connected with the hearth side wall steel plate, and the refractory filling material is clamped and fixed through the refractory layer and the insulation board;
furthermore, the refractory bricks are T-shaped refractory bricks, and the protruding ends of the T-shaped refractory bricks in the vertical direction are fixed with the hearth side wall steel plate through a refractory brick connecting hanging piece;
furthermore, the refractory brick connecting hanging piece is a U-shaped connecting piece and comprises a U-shaped clamping plate, a fastening pin, a connecting stud, a washer and a group of fastening nuts, a through hole is processed on each side plate of the U-shaped clamping plate, the through holes on the two side plates are symmetrically arranged, the fixed end of the connecting stud is fixedly connected with the bottom plate of the U-shaped clamping plate, the washer and the group of fastening nuts are sequentially sleeved on the threaded end of the connecting stud from inside to outside, and the fastening pin penetrates through the two through holes on the U-shaped clamping plate and is fixedly connected with the U-shaped clamping plate;
further, the refractory filling material is refractory mortar;
furthermore, the heat-insulation plate is made of aluminum silicate;
compared with the prior art, the invention has the following beneficial effects:
1. compared with the existing supercharged boiler structure, the masonry structure made of the refractory materials suitable for the side wall of the supercharged boiler provided by the invention selects the aluminum silicate heat-insulating plate as the heat-insulating layer, has lower strength and is easy to cut, so that convenience is provided for construction.
2. The T-shaped refractory brick in the refractory masonry structure for the side wall of the supercharged boiler, provided by the invention, can resist high-temperature flue gas scouring, and the weight of the side wall of a hearth can be effectively reduced by adopting the T shape.
3. The refractory material masonry structure suitable for the side wall of the supercharged boiler, provided by the invention, adopts a detachable design of the U-shaped brick hanging piece, refractory bricks in a damaged area can be directly replaced, and the integral structure of the side wall is not influenced.
Drawings
FIG. 1 is a schematic view of a masonry structure according to the present invention;
FIG. 2 is a schematic structural view of a refractory brick attachment hanger of the present invention;
in the figure, 1 a refractory filling material, 2 a heat insulation plate, 3 a refractory brick connecting hanger, 4 hearth side wall steel plates, 5 refractory bricks, 31U-shaped clamping plates, 32 fastening pins, 33 connecting studs, 34 washers and 35 fastening nuts are adopted.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 and 2, and provides a masonry structure suitable for a side wall refractory material of a supercharged boiler, wherein the masonry structure comprises a refractory filling material 1, a heat insulation board 2, a hearth side wall steel plate 4, a plurality of refractory brick connecting pendants 3 and a plurality of refractory bricks 5; a plurality of resistant firebricks 5 evenly set up and form the flame retardant coating on the inner wall of furnace side wall steel sheet 4, and every resistant firebrick 5 is connected pendant 3 and 4 fixed connection of furnace side wall steel sheet through a resistant firebrick, and from interior to exterior is equipped with fire-resistant filler material 1 and heated board 2 between flame retardant coating and the furnace side wall steel sheet 4 in proper order, heated board 2 and 4 fixed connection of furnace side wall steel sheet, and fire-resistant filler material 1 passes through the flame retardant coating and 2 centre grippings of heated board are fixed.
According to the invention, the boiler side wall structure of the existing supercharged boiler is changed, the flame retardant coating, the heat insulation plate 2 and the refractory filling material 1 which are formed by combining a plurality of refractory bricks 5 are additionally arranged in the boiler side wall, and the heat insulation plate made of aluminum silicate material, the T-shaped structure refractory bricks and the refractory clay are organically compounded into a whole, so that the heat insulation effect and the service life of the side wall refractory material are further improved, and the number of the refractory bricks 5 in the embodiment is related to the size of the inner wall of the supercharged boiler and can be uniformly distributed and fully covered.
The second embodiment is as follows: the present embodiment will be described with reference to fig. 1 and 2, and the present embodiment is further limited to the firebricks 5 described in the first embodiment, but in the present embodiment, the firebricks 5 are T-shaped firebricks, and the vertically projecting ends of the T-shaped firebricks are fixed to the hearth side wall steel plate 4 by one firebrick linking hanger 3. Other components and connection modes are the same as those of the first embodiment.
In the embodiment, the T-shaped refractory bricks can resist high-temperature flue gas scouring, and the weight of the side wall of the hearth can be effectively reduced by adopting the T-shaped refractory bricks.
The third concrete implementation mode: the present embodiment is described with reference to fig. 1 and 2, and is further limited to the firebrick attachment hanger 3 according to the first embodiment, in the present embodiment, the firebrick attachment hanger 3 is a U-shaped connection member, the firebrick attachment hanger 3 includes a U-shaped clamp plate 31, a fastening pin 32, a connecting stud 33, a washer 34 and a set of fastening nuts 35, a through hole is formed on each side plate of the U-shaped clamp plate 31, the through holes on the two side plates are symmetrically arranged, the fixed end of the connecting stud 33 is fixedly connected with the bottom plate of the U-shaped clamp plate 31, the washer 34 and the set of fastening nuts 35 are sequentially sleeved on the threaded end of the connecting stud 33 from inside to outside, and the fastening pin 32 passes through the two through holes on the U-shaped clamp plate 31 to be fastened with the U-shaped clamp. The other components and the connection mode are the same as those of the second embodiment.
In this embodiment, adopt the U type to hang brick piece detachable design, can be convenient for the refractory brick's of damaged area replacement, the change process will go on under the out of work and normal atmospheric temperature state of boiler, only need loosen fastening nut 35 from the outside during the change, the staff enters into the boiler inside through the impaired gap around impaired resistant firebrick 5 and cooperates outside personnel to hang brick piece application of force to the U type, both cooperate to take off impaired resistant firebrick 5 and more renew resistant firebrick, so change and do not influence side wall overall structure, be convenient for take off impaired brick body through the cooperation of inside and outside application of force simultaneously under the complete condition of inside brick heat-resistant layer.
The fourth concrete implementation mode: the present embodiment will be described with reference to fig. 1 and 2, and the present embodiment further defines the recovery unit according to the first embodiment, and in the present embodiment, the refractory filler 1 is refractory mortar. Other components and connection modes are the same as those of the first embodiment.
The fifth concrete implementation mode: the present embodiment will be described with reference to fig. 1 and 2, and the present embodiment further defines the bale breaking assembly described in the first embodiment, and in the present embodiment, the heat-insulating plate 2 is made of aluminum silicate. Other components and connection modes are the same as those of the first embodiment.
The selection uses aluminium silicate heated board as the heat preservation in this embodiment, because aluminium silicate heated board intensity is lower, and easy cutting provides convenience for the construction.
Principle of operation
When the heat insulation plate is used, firstly, a connecting through hole is processed on the side wall of a protrusion in the vertical direction of a refractory brick 5, the protrusion in the vertical direction of the refractory brick 5 is clamped in a U-shaped clamping plate 31, the refractory brick 5 and the U-shaped clamping plate 31 are fixed through a fastening pin 32, a threaded end of a connecting stud 33 sequentially penetrates through the heat insulation plate 2 and a hearth side wall steel plate 4 and is arranged outside the hearth side wall steel plate 4, a gasket 34 is sleeved on the threaded end of the connecting stud 33, the gasket 34 is arranged close to the hearth side wall steel plate 4, a group of fastening nuts 35 are sleeved on the connecting stud 33, nuts close to the hearth side wall steel plate 4 are arranged close to the gasket 34, and two fastening nuts 35 are repeatedly screwed to achieve a fastening effect, so that the heat insulation plate 2.
Claims (5)
1. The utility model provides a be applicable to supercharged boiler side wall refractory material masonry structure which characterized in that: the masonry structure comprises a refractory filling material (1), an insulation board (2), a hearth side wall steel plate (4), a plurality of refractory brick connecting hanging pieces (3) and a plurality of refractory bricks (5); a plurality of resistant firebricks (5) evenly set up and form the flame retardant coating on the inner wall of furnace side wall steel sheet (4), every resistant firebrick (5) are through one resistant firebrick connection pendant (3) and furnace side wall steel sheet (4) fixed connection, from interior to exterior is equipped with fire-resistant filler material (1) and heated board (2) between flame retardant coating and furnace side wall steel sheet (4) in proper order, heated board (2) and furnace side wall steel sheet (4) fixed connection, fire-resistant filler material (1) are fixed through flame retardant coating and heated board (2) centre gripping.
2. The masonry structure for the refractory material of the side wall of the supercharged boiler according to claim 1, characterized in that: the refractory bricks (5) are T-shaped refractory bricks, and the protruding ends of the T-shaped refractory bricks in the vertical direction are fixed with the hearth side wall steel plate (4) through a refractory brick connecting hanging piece (3).
3. The masonry structure for the refractory material of the side wall of the supercharged boiler according to claim 2, characterized in that: the refractory brick connecting pendant (3) is a U-shaped connecting piece, the refractory brick connecting pendant (3) comprises a U-shaped clamping plate (31), a fastening pin (32), a connecting stud (33), a gasket (34) and a group of fastening nuts (35), a through hole is processed on each side plate of the U-shaped clamping plate (31), the through holes on the two side plates are symmetrically arranged, the fixed end of the connecting stud (33) is fixedly connected with the bottom plate of the U-shaped clamping plate (31), the gasket (34) and the group of fastening nuts (35) are sequentially sleeved on the threaded end of the connecting stud (33) from inside to outside, and the fastening pin (32) penetrates through two through holes in the U-shaped clamping plate (31) and is fixedly connected with the U-shaped clamping plate (31).
4. The masonry structure for the refractory material of the side wall of the supercharged boiler according to claim 3, characterized in that: the refractory filling material (1) is refractory mortar.
5. The masonry structure for the refractory material of the side wall of the supercharged boiler according to claim 4, characterized in that: the heat insulation plate (2) is made of aluminum silicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010291765.0A CN111396917A (en) | 2020-04-14 | 2020-04-14 | Be applicable to supercharged boiler side wall refractory material masonry structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010291765.0A CN111396917A (en) | 2020-04-14 | 2020-04-14 | Be applicable to supercharged boiler side wall refractory material masonry structure |
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| CN111396917A true CN111396917A (en) | 2020-07-10 |
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| CN202010291765.0A Pending CN111396917A (en) | 2020-04-14 | 2020-04-14 | Be applicable to supercharged boiler side wall refractory material masonry structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060837A (en) * | 2021-11-02 | 2022-02-18 | 中国船舶重工集团公司第七0三研究所 | Masonry structure suitable for side wall refractory material of tail flue of marine supercharged boiler |
-
2020
- 2020-04-14 CN CN202010291765.0A patent/CN111396917A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060837A (en) * | 2021-11-02 | 2022-02-18 | 中国船舶重工集团公司第七0三研究所 | Masonry structure suitable for side wall refractory material of tail flue of marine supercharged boiler |
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