CN201636890U - Refractory brick - Google Patents
Refractory brick Download PDFInfo
- Publication number
- CN201636890U CN201636890U CN2010201738994U CN201020173899U CN201636890U CN 201636890 U CN201636890 U CN 201636890U CN 2010201738994 U CN2010201738994 U CN 2010201738994U CN 201020173899 U CN201020173899 U CN 201020173899U CN 201636890 U CN201636890 U CN 201636890U
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- Prior art keywords
- refractory brick
- wind direction
- boss
- brick
- brick body
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- Expired - Fee Related
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Abstract
The utility model discloses a refractory brick, which belongs to the field of refractory material. A double-concave structure is formed on a side surface of the refractory brick; a wind direction regulation plate is arranged in the projecting position of the middle of the double-concave structure; and the extending length of the wind direction regulation plate can be changed according to actual conditions of air field in a hearth. Through the modification in the shape of an ordinary refractory brick, the flowing direction of hot air can be changed; and meanwhile, the wind direction regulation plate inside the refractory brick can be regulated according to the requirements of the air field inside the hearth to form turbulence in the wind direction of a main air duct of the hearth, therefore the combustion time is prolonged and the combustion is more complete. Flue gas formed after sufficient combustion is disturbed and redistributed, and flame can be prevented from directly scorching a pipe wall.
Description
Technical field
The utility model relates to a kind of refractory brick, particularly relates to a kind of liner type refractory brick that directly applies to coal-burning boiler furnace wall inwall.
Background technology
At present, traditional industry coal-boiler furnace wall inwall is generally cuboid refractory brick with refractory material, use the common cuboid that is shaped as in the boiler furnace of this refractory brick, boiler inner wall is except having basic heat insulation high temperature resistant function, can not influence by its structural limitations to flow through the air fluid distribution on refractory brick surface, therefore burning of coal state in the boiler can not be changed, the effect that improves coal burning efficient, energy savings can't be played.
Simultaneously the traditional industry coal-burning boiler can not change burner hearth hot-air aerodynamic field with refractory brick, can not avoid air-flow adherent, wash away the furnace wall, thereby cause the easy coking of burner hearth, water screen tube that high temperature corrosion easily takes place and thermic load is crossed high phenomenon.
The utility model content
In order to overcome the deficiency of above-mentioned traditional industry coal-burning boiler furnace wall inwall with refractory brick, the utility model provides a kind of novel refractory brick that can be used for coal-burning boiler furnace wall inwall.Described technical scheme is as follows:
Refractory brick of the present utility model at the side surface setting and the parallel boss of described this face of brick body of brick body, is connected by concave curvatures between the upper side frame line of described boss and the upper surface of described brick body; Be connected by concave curvatures between the lower frame line of described boss and the lower surface of described brick body.
Refractory brick of the present utility model is provided with the wind direction adjusting plate vertical with described boss surface on described boss.
Refractory brick of the present utility model, the extension elongation of described wind direction adjusting plate can be regulated.
Refractory brick of the present utility model, described brick body internal boss position is provided with slot, and described wind direction adjusting plate matches with described slot, and can push-and-pull campaign in described slot.
The beneficial effect of the technical scheme that the utility model provides is as follows:
1, utilizes the utility model by brick body self shape and utilize wind direction adjusting plate, can change the hot blast aerodynamic field in the burner hearth and form turbulent flow, prolonged the burning time of fuel in the burner hearth, make the abundant after-flame of combustible.
2, utilize the adjustable structure of wind direction adjustable plate in the utility model, can strengthen the adaptability of boiler according to the hot blast aerodynamic field in factors such as the wind-force size adjusting burner hearth of different atures of coal, air blast, air inducing in the stove.
But 3, adopt hot blast wind direction in the refractory brick redistribution burner hearth of the present utility model, improve the heat radiation condition, avoid flame directly to wash away tube wall, prolong the service life of tube wall.
Description of drawings
Fig. 1 is the structural representation of refractory brick of the present utility model;
Fig. 2 is the interior operating position schematic diagram of the stove of refractory brick of the present utility model.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model embodiment is described in further detail below in conjunction with accompanying drawing.
Firebrick structure of the present utility model improves on the basis of existing refractory brick, transform the original planar structure of the one side of brick body 4 as the double concave curved surface.The middle part of this double concave curved surface is one section boss parallel with this surface 8, and described boss 8 is divided into upper and lower two parts with the surface of brick body 4.Be connected by level and smooth concave curvatures between the upper side frame line of its boss 8 and the upper surface of brick body, concave curvatures 7 in the formation; Equally, be connected by level and smooth concave curvatures between the lower frame line of boss 8 and the lower surface of brick body 4, form concave curvatures 1 down.Like this, brick body 4 side has just formed the double concave structure of being distinguished and being connected respectively with brick body upper/lower terminal by boss 8.
The appearance and size of refractory brick brick body 4 of the present invention can decide according to the installation site in the dissimilar boilers, its size is generally greater than traditional refractory brick, width is 200 millimeters to 500 millimeters, thickness as outside is 200 millimeters to 400 millimeters, inboard thickness is 100 millimeters to 200 millimeters, 450 millimeters to 1500 millimeters of height.Its brick body 4 can be by alumina cement, alumina aggregate and magnesia powder by certain mass than making through vibro-moulding process.
The height that boss 8 is arranged on brick body 4 planes can determine as factors such as packed height coal-fired in boiler furnace size, the burner hearth according to actual needs.
For the easy to process also one side of brick body 4 can being processed into has only an outstanding trunk line, this trunk line is two parts up and down with brick body 4 surface segmentation, and its trunk line is connected by concave curvatures with brick body 4 upper and lower end faces respectively.So also can form two-part double concave structure up and down on a surface of brick body.
In order better to improve the hot blast aerodynamic field in the burner hearth, can in the boss 8 on brick body 4 surfaces of refractory brick of the present utility model, wind direction adjusting plate 3 be set.For the ease of installing, can be in boss 8 inside, open a slot along the direction vertical with boss 8 planes, the wind direction adjusting plate 3 that will match with slot is placed wherein versatilely, realizes the front and back push-and-pull adjusting of wind direction adjusting plate 3.The degree of depth of slot can be isometric with wind direction adjusting plate 3, when not needing to utilize wind direction adjusting plate 3 to regulate in the burner hearths hot blast aerodynamic field, can push wind direction adjusting plate 3 in the slot fully; And in needs change stove thermal air current to the time, wind direction adjusting plate 3 can be extracted out in slot.Wind direction adjusting plate 3 maximum extensions are 200 millimeters to 400 millimeters of the external side thickness of brick, and the thickness of wind direction adjusting plate 3 is generally 20 millimeters.In actual use, the extraction length of wind direction adjusting plate 3 can be according to user's the different working of a furnaces, different atures of coal, and the factors such as size of air blast, air inducing air quantity are determined.The prefabricated one-tenth of wind direction adjusting plate 3 optional corundum-mullites.During use, refractory brick of the present utility model is posted on the hearth wall 5, following concave curvatures 1 will be higher than above 500 millimeters of maximum coal seam thickness.
The coal-burning boiler that uses refractory brick of the present invention to make, when coal is lighted hot flue gas that the back generates and is run into the following concave curvatures 1 of refractory brick bottom, can along curved surface flow and the hot blast of not running into curved surface in the outside vector superposed, form turbulent flow.Simultaneously, the wind of curved surface inboard also can form small whirlpool, makes the interior part particle that does not have to burn of burner hearth carry out second-time burning, can solve the nonflammable and inadequate problem of burning of fire grate both sides coal.Simultaneously, the wind of process disturbance can directly not wash away the water screen tube 6 of top, avoids causing high temperature corrosion.In addition, regulate wind direction adjusting plate 3, can make the interior aerodynamic field of burner hearth reach optimum state, make the coal burning optimization, reach energy-conservation purpose.
The utility model provides refractory brick to can be applicable to coal-burning boiler furnace wall inwall, thereby it improves combustion efficiency by distinctive hyperboloid structure redistribution burner hearth hot-air aerodynamic field, simultaneously can also avoid flame directly to wash away tube wall, prevent the high temperature corrosion of water screen tube in the burner hearth.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. a refractory brick is characterized in that, at the side surface setting and the parallel boss of described this face of brick body of brick body, is connected by concave curvatures between the upper side frame line of described boss and the upper surface of described brick body; Be connected by concave curvatures between the lower frame line of described boss and the lower surface of described brick body.
2. refractory brick according to claim 1 is characterized in that, the wind direction adjusting plate vertical with described boss surface is set on described boss.
3. refractory brick according to claim 2 is characterized in that the extension elongation of described wind direction adjusting plate can be regulated.
4. refractory brick according to claim 2 is characterized in that, the lug boss position of described brick body inside is provided with slot, and described wind direction adjusting plate matches with described slot, and can push-and-pull campaign in described slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201738994U CN201636890U (en) | 2010-04-19 | 2010-04-29 | Refractory brick |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020167063.3 | 2010-04-19 | ||
| CN201020167063 | 2010-04-19 | ||
| CN2010201738994U CN201636890U (en) | 2010-04-19 | 2010-04-29 | Refractory brick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201636890U true CN201636890U (en) | 2010-11-17 |
Family
ID=43081385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201738994U Expired - Fee Related CN201636890U (en) | 2010-04-19 | 2010-04-29 | Refractory brick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201636890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765192A (en) * | 2016-12-31 | 2017-05-31 | 上海康恒环境股份有限公司 | A kind of domestic waste incineration water-cooled furnace wall device |
-
2010
- 2010-04-29 CN CN2010201738994U patent/CN201636890U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765192A (en) * | 2016-12-31 | 2017-05-31 | 上海康恒环境股份有限公司 | A kind of domestic waste incineration water-cooled furnace wall device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20180429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |