CN201462863U - Water-cooled grate for vertical coal-fired boiler - Google Patents
Water-cooled grate for vertical coal-fired boiler Download PDFInfo
- Publication number
- CN201462863U CN201462863U CN2009200821332U CN200920082133U CN201462863U CN 201462863 U CN201462863 U CN 201462863U CN 2009200821332 U CN2009200821332 U CN 2009200821332U CN 200920082133 U CN200920082133 U CN 200920082133U CN 201462863 U CN201462863 U CN 201462863U
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- water
- cooled grate
- cooled
- boiler
- grate
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Abstract
The utility model discloses a water-cooled grate for a vertical coal-fired boiler, which comprises a plurality of water-cooled grate pipes. The water-cooled grate is characterized in that a plurality of inclined water-cooled grate pipes are arranged in parallel at certain intervals for constituting the water-cooled grate to be welded in a combustion chamber, a water inlet end of the water-cooled grate pipes is connected with a boiler header, a water outlet end of the water-cooled pipes is fixed on a wall-cooled wall of the boiler, half-moon baffle plates are arranged in the positions without the water-cooled grate pipes on the left side and the right side of the combustion chamber, and refractory concrete with a certain slope is respectively casted on the half-moon baffle plate. The water-cooled grate has the advantages of reasonable design, long service life, high thermal efficiency and good energy-saving effect.
Description
Technical field
The utility model relates to the fire grate that a kind of boiler is used, and is specifically related to a kind of water-cooled grate that is used for the vertical fire coal boiler.
Background technology
Bottom, China coal-fired chamber of overwhelming majority vertical fire coal boiler product all makes cylinder iron grate, and coal burns on the cast iron grate.If the grate poor quality, hardness and insufficient strength, the high temperature in the burner hearth is easy to make the grate distortion, even burns out grate, thereby has influenced the normal use of boiler, to such an extent as to often change, has caused very big inconvenience and trouble for the use of boiler.In addition, burner hearth reaches the high temperature heat radiation of grate bottom slag near grate, and body of heater can only slattern in vain because of absorbing, and has also increased boiler coal consumption and operating cost so virtually.
The utility model content
The utility model provides a kind of reasonable in design at the defective of above-mentioned fire grate, long service life, the water-cooled grate that is used for the vertical fire coal boiler that the thermal efficiency is high.
In order to achieve the above object, the utility model has adopted following technical scheme: a kind of water-cooled grate that is used for the vertical fire coal boiler, it comprises several water-cooled grate tubes, the water-cooled grate tube of described several inclinations has a determining deviation and forms a water-cooled grate side by side and be welded in the burner hearth, the water inlet end of water-cooled grate tube is connected with boiler header, the water side of water cooling tube is fixed on the boiler water wall, the anhydrous black furnace comb of burner hearth the right and left place is provided with the semilune baffle plate, and is cast with the refractory concrete of tool certain slope on the semilune baffle plate; Open the hand hole of getting some with the water-cooled grate tube opposite position on the rear end shell of described water-cooled grate tube.Described water-cooled grate tube is the high-quality seamless steel pipe.
The beneficial effects of the utility model are:
1, water-cooled grate tube and burner hearth plane are 3 °～5 ° angles, are beneficial to interior medium (water) the change flow circuit of body of heater and the stacking of coal and the hook of cinder and go out.
2, blocking with the semilune baffle plate at the anhydrous black furnace comb of burner hearth the right and left place, is refractory concrete about water-cooled grate tube 50mm at the thickness of baffle plate top-pour casting slope row, in case leak down during the small coal burning.
3, according to the size of body of heater, what of water-cooled grate tube open the hand hole of getting some with the water-cooled grate tube opposite position, so that the scale removal of water-cooled grate tube and cleaning on the shell of the rear end of water-cooled grate tube.
4, water-cooled grate tube is the high-quality seamless steel pipe, and be full of aqueous medium in the pipe, carried out heat exchange with red carbon of burner hearth bottom high temperature and slag, to reach purpose of energy saving, be full of the aqueous medium of energy flow circuit simultaneously in the pipe, thereby guaranteed the rigidity intensity and the service life of fire grate.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is Fig. 1 cross-sectional configuration schematic diagram.
Among the figure: 1. water-cooled grate tube; 2. burner hearth; 3. semilune baffle plate; 4. shell; 5. hand hole; 6. fire door.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described, as shown in Figure 1, a kind of water-cooled grate that is used for the vertical fire coal boiler, it comprises several water-cooled grate tubes, the water-cooled grate tube of several inclinations has a determining deviation and forms a water-cooled grate side by side and be welded in the burner hearth, the water inlet end of water-cooled grate tube is connected with boiler header, the water side of water cooling tube is fixed on the boiler water wall, wherein water-cooled grate tube and burner hearth plane are 3 °～5 ° angles, are beneficial to interior medium (water) the change flow circuit of body of heater and the stacking of coal and the hook of cinder and go out.The anhydrous black furnace comb of burner hearth the right and left place is provided with the semilune baffle plate, and the thickness that has a certain slope in cast on the baffle plate is the refractory concrete about 50mm, in case leak down during the small coal burning.Wherein, water cooling tube is the high-quality seamless steel pipe, and has been full of aqueous medium in the pipe, carry out heat exchange with red carbon of burner hearth bottom high temperature and slag, to reach purpose of energy saving, be full of the aqueous medium of energy flow circuit simultaneously in the pipe, thereby guaranteed the rigidity intensity and the service life of fire grate.
By test proof: the boiler of same specification model, use water-cooled grate tube to replace the cast iron grate after, save coal 10%～15%, fire grate is 2～3 times of cast iron grate service life, the thermal efficiency of boiler improves 3%～5%.
Claims (2)
1. water-cooled grate that is used for the vertical fire coal boiler, it comprises several water-cooled grate tubes (1), it is characterized in that: the water-cooled grate tube of several inclinations (1) has a determining deviation and forms a water-cooled grate side by side and be welded in the burner hearth (2), the water inlet end of water-cooled grate tube is connected with boiler header, the water side of water cooling tube is fixed on the boiler water wall, the anhydrous black furnace comb of burner hearth (2) the right and left place is provided with semilune baffle plate (3), and be cast with the refractory concrete of tool certain slope on the semilune baffle plate, the rear end shell (4) of water-cooled grate tube (1) is gone up and the water-cooled grate tube opposite position is opened the hand hole (5) of getting some.
2. the water-cooled grate that is used for the vertical fire coal boiler according to claim 1 is characterized in that described water-cooled grate tube (1) is the high-quality seamless steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200821332U CN201462863U (en) | 2009-06-30 | 2009-06-30 | Water-cooled grate for vertical coal-fired boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200821332U CN201462863U (en) | 2009-06-30 | 2009-06-30 | Water-cooled grate for vertical coal-fired boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201462863U true CN201462863U (en) | 2010-05-12 |
Family
ID=42390215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200821332U Expired - Fee Related CN201462863U (en) | 2009-06-30 | 2009-06-30 | Water-cooled grate for vertical coal-fired boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201462863U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705829A (en) * | 2011-03-28 | 2012-10-03 | 江苏大信环境科技有限公司 | Fixed grate incinerator |
| CN107676800A (en) * | 2017-09-27 | 2018-02-09 | 宝鸡圭彬光电设备有限公司 | A kind of Double water-cooled fire grate based on Verital coal-fired boiler |
-
2009
- 2009-06-30 CN CN2009200821332U patent/CN201462863U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705829A (en) * | 2011-03-28 | 2012-10-03 | 江苏大信环境科技有限公司 | Fixed grate incinerator |
| CN107676800A (en) * | 2017-09-27 | 2018-02-09 | 宝鸡圭彬光电设备有限公司 | A kind of Double water-cooled fire grate based on Verital coal-fired boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20110630 |