CN213930872U - Semi-coke steam boiler - Google Patents
Semi-coke steam boiler Download PDFInfo
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- CN213930872U CN213930872U CN202022966008.7U CN202022966008U CN213930872U CN 213930872 U CN213930872 U CN 213930872U CN 202022966008 U CN202022966008 U CN 202022966008U CN 213930872 U CN213930872 U CN 213930872U
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Abstract
The utility model discloses a semi-coke steam boiler, which comprises a chain grate, a feeding device, a front arch, a rear arch and a cylinder body, wherein the front end of the chain grate is provided with the feeding device, an independent air chamber is arranged in the chain grate, the side surface of the chain grate is provided with a side wall, the bottom end of the side wall is provided with a header, the header is connected with a header on the side wall through a water-cooled wall pipe, the header is connected with the cylinder body through a convection pipe bundle, and the cylinder body is connected with the header and the header through a down pipe; the rear arch lower header of the rear arch is arranged on the rear wall, the rear arch lower header is connected with the rear arch upper header through a rear arch pipe in the rear arch, the rear arch upper header is connected with the cylinder through an arch pipe, and the rear arch lower header is connected with the cylinder through a rear arch downcomer; the front arch lower collecting box of the front arch is arranged on the front wall and is connected with the barrel through a front arch pipe in the front arch, and a front arch down pipe is also arranged between the front arch lower collecting box and the barrel. The utility model discloses blue charcoal steam boiler's circulation efficiency is high, and water is big with the contact surface of heat source, has higher thermal efficiency, and the good reliability.
Description
Technical Field
The utility model relates to a blue charcoal boiler field especially relates to a blue charcoal steam boiler.
Background
Semi coke is used as a novel carbon material, has the characteristics of high fixed carbon, high specific resistance, high chemical activity, low ash content, low aluminum, low sulfur and low phosphorus, gradually replaces metallurgical coke, is widely applied to the production of products such as calcium carbide, ferroalloy, ferrosilicon, silicon carbide and the like, and becomes an irreplaceable carbon material. Semi coke can replace coke (metallurgical coke) and can be widely used in the industries of chemical industry, smelting, gas making and the like.
However, the existing semi-coke steam boiler has low efficiency, difficult ignition and insufficient combustion, causes serious resource waste and does not meet the requirements of energy conservation and environmental protection. Therefore, how to develop a semi-coke steam boiler becomes a problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a blue charcoal steam boiler solves above-mentioned technical problem. The utility model adopts the following technical scheme:
the semi-coke hot water boiler of the utility model is provided with the independent air chamber and the combustion arch, which can effectively promote the complete combustion of the semi-coke; the utility model relates to a blue charcoal steam boiler, including traveling grate stoker, feed arrangement, preceding arch, back arch and barrel, the front end of traveling grate stoker is provided with feed arrangement, be provided with independent plenum in the traveling grate stoker, the traveling grate stoker side is provided with the side wall, the bottom of side wall is provided with the collection box, the collection box passes through the header on the water-cooled wall pipe connection side wall, the header passes through convection bank connection barrel, the barrel passes through the downtake and connects header and collection box; the rear arch lower header of the rear arch is arranged on the rear wall, the rear arch lower header is connected with the rear arch upper header through a rear arch pipe in the rear arch, the rear arch upper header is connected with the cylinder through an arch pipe, and the rear arch lower header is connected with the cylinder through a rear arch down pipe; the front arch lower collection box of the front arch is arranged on the front wall, the front arch lower collection box is connected with the barrel through a front arch pipe in the front arch, and a front arch descending pipe is arranged between the front arch lower collection box and the barrel.
Further, the top of barrel is provided with air outlet means.
Furthermore, a threaded smoke tube is arranged in the cylinder, a tube plate is arranged at the front end of the cylinder, and the threaded smoke tube is welded on the tube plate.
Furthermore, a water inlet is formed in the top end of the cylinder body.
Furthermore, the front wall, the rear wall and the side walls are sequentially provided with refractory bricks, aluminum silicate plates, insulating bricks and rock wool plates from inside to outside.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the front arch of the semi-coke steam boiler of the utility model is connected with the cylinder body through the front arch pipe and the front arch downcomer, the rear arch is connected with the cylinder body through the rear arch pipe and the rear arch downcomer, the header is connected with the header through the water wall pipe, the header is connected with the cylinder body through the convection bank, the cylinder body is connected with the header through the downcomer, the front arch lower header, the rear arch lower header and the header are not connected, the top end of the cylinder body is provided with a unique water inlet, natural circulation is realized through heating, the contact area of water and a heat source is increased, and the heat efficiency of the boiler is improved; the semi-coke steam boiler further utilizes the residual heat in the flue gas and further improves the heat efficiency by arranging the threaded smoke pipe in the cylinder body; generally speaking, the utility model discloses semi-coke steam boiler's circulation efficiency is high, and water is big with the contact surface of heat source, has higher thermal efficiency, and the good reliability.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a front view of a semi-coke steam boiler of the present invention;
FIG. 2 is a left side view of the semi-coke steam boiler of the present invention;
description of reference numerals: 1. a traveling grate; 2. an independent air chamber; 3. a feeding device; 4. front arch; 5. a rear arch; 6. a front wall; 7. a rear wall; 8. a front smoke box; 9. a rear smoke box; 10. a down pipe; 11. a tube sheet; 12. a threaded smoke tube; 13. a barrel; 14. an air outlet device; 15. a convection bank; 16. a water wall tube; 17. a header; 18. an arch pipe; 19. collecting a box; 20. a water inlet; 21. and a side wall.
Detailed Description
As shown in fig. 1 and 2, a semi-coke steam boiler comprises a traveling grate 1, a feeding device 3, a front arch 4, a rear arch 5 and a cylinder 13, wherein the feeding device 3 is arranged at the front end of the traveling grate 1, an independent air chamber 2 is arranged in the traveling grate 1, a side wall 21 is arranged on the side surface of the traveling grate 1, a header 19 is arranged at the bottom end of the side wall 21, the header 19 is connected with a header 17 on the side wall 21 through a water wall pipe 16, the header 17 is connected with the cylinder 13 through a convection pipe bundle 15, and the cylinder 13 is connected with the header 17 and the header 19 through a downcomer 10. A down pipe is also arranged on the rear wall 7.
The rear arch lower header of the rear arch 5 is arranged on the rear wall 7, the rear arch lower header is connected with the rear arch upper header through a rear arch pipe in the rear arch 5, the rear arch upper header is connected with the barrel 13 through an arch pipe 18, and the rear arch lower header is connected with the barrel 13 through a rear arch downcomer.
The front arch lower collection box of the front arch 4 is arranged on the front wall 6 and is connected with the barrel body 13 through a front arch pipe in the front arch 4, and a front arch descending pipe is also arranged between the front arch lower collection box and the barrel body 13.
An air outlet device 14 is arranged at the top end of the cylinder body 13.
The threaded smoke tube 12 is arranged in the cylinder 13, the tube plate 11 is arranged at the front end of the cylinder 13, and the threaded smoke tube 12 is welded on the tube plate 11. The smoke enters the threaded smoke pipe 12 through the front smoke box 8 and is fully contacted with the water in the cylinder body 13, and then is discharged through the rear smoke box 9.
The top end of the cylinder body 13 is provided with a water inlet 20, water in the cylinder body 13 returns to the header 17 and the header 19 through the downcomer 10, water in the cylinder body 13 returns to the front arch lower header through the front arch downcomer, and water in the cylinder body 13 returns to the rear arch lower header through the rear arch downcomer.
The water inlet 20 is close to the front tube plate, has a certain cooling effect on the front tube plate and prevents the local high-temperature cracking of the front tube plate.
The front wall 6, the rear wall 7 and the side walls 21 are sequentially made of refractory bricks, aluminum silicate plates, insulating bricks and rock wool plates from inside to outside. The surfaces of the front arch 4 and the rear arch 5 are made of refractory castable, and the front arch tube and the rear arch tube are arranged in the front arch 4 and the rear arch 5, so that the structural rigidity can be effectively improved, and the boiler is suitable for boilers with large span. The angle between the front arch 4 and the horizontal plane is 45 degrees. The angle between the rear arch 5 and the horizontal plane is 10 degrees.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (5)
1. A semi-coke steam boiler is characterized in that: the grate comprises a traveling grate (1), a feeding device (3), a front arch (4), a rear arch (5) and a cylinder (13), wherein the feeding device (3) is arranged at the front end of the traveling grate (1), an independent air chamber (2) is arranged in the traveling grate (1), a side wall (21) is arranged on the side surface of the traveling grate (1), a header (19) is arranged at the bottom end of the side wall (21), the header (19) is connected with a header (17) on the side wall (21) through a water wall pipe (16), the header (17) is connected with the cylinder (13) through a convection pipe bundle (15), and the cylinder (13) is connected with the header (17) and the header (19) through a downcomer (10); the rear arch lower header of the rear arch (5) is arranged on the rear wall (7), the rear arch lower header is connected with the rear arch upper header through a rear arch pipe in the rear arch (5), the rear arch upper header is connected with the cylinder (13) through an arch pipe (18), and the rear arch lower header is connected with the cylinder (13) through a rear arch downcomer; the front arch lower collection box of the front arch (4) is arranged on the front wall (6), the front arch lower collection box is connected with the barrel (13) through a front arch pipe in the front arch (4), and a front arch downcomer is further arranged between the front arch lower collection box and the barrel (13).
2. A semi-coke steam boiler according to claim 1, characterized in that: an air outlet device (14) is arranged at the top end of the cylinder body (13).
3. A semi-coke steam boiler according to claim 1, characterized in that: the novel smoke exhaust device is characterized in that a threaded smoke pipe (12) is arranged in the cylinder body (13), a pipe plate (11) is arranged at the front end of the cylinder body (13), and the threaded smoke pipe (12) is welded on the pipe plate (11).
4. A semi-coke steam boiler according to claim 1, characterized in that: the top end of the cylinder body (13) is provided with a water inlet (20).
5. A semi-coke steam boiler according to claim 1, characterized in that: the front wall (6), the rear wall (7) and the side walls (21) are sequentially provided with refractory bricks, aluminum silicate plates, insulating bricks and rock wool plates from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022966008.7U CN213930872U (en) | 2020-12-10 | 2020-12-10 | Semi-coke steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022966008.7U CN213930872U (en) | 2020-12-10 | 2020-12-10 | Semi-coke steam boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213930872U true CN213930872U (en) | 2021-08-10 |
Family
ID=77152789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022966008.7U Active CN213930872U (en) | 2020-12-10 | 2020-12-10 | Semi-coke steam boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213930872U (en) |
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2020
- 2020-12-10 CN CN202022966008.7U patent/CN213930872U/en active Active
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