CN212299045U - Flue gas adsorption structure for coal-fired boiler - Google Patents
Flue gas adsorption structure for coal-fired boiler Download PDFInfo
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- CN212299045U CN212299045U CN202020634348.7U CN202020634348U CN212299045U CN 212299045 U CN212299045 U CN 212299045U CN 202020634348 U CN202020634348 U CN 202020634348U CN 212299045 U CN212299045 U CN 212299045U
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- ring
- flue
- coal
- deposition
- flue gas
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Abstract
The utility model discloses a flue gas adsorption structure for coal fired boiler, including drive arrangement, deposition device, rotating base, wherein the deposition device includes a plurality of flabellums, collar, deposition ring, the collar is the annular structure, the collar is located on the rotating base lateral wall, and rotate with rotating base and be connected, the flabellum is installed on the collar, the deposition ring is the inside hollow annular casing, the flabellum sets up inside the deposition ring, the deposition ring bottom is provided with into mouth, deposition groove, the deposition ring is connected with rotating base, the deposition ring top is provided with a plurality of air vents; the ash deposition device is arranged in a flue of the boiler, and the rotating base is connected with the inner side wall of the flue; the driving device is connected with the mounting ring and drives the mounting ring to rotate. When the driving device drives the mounting ring to rotate, the mounting ring drives the fan blades to rotate, and smoke generated by coal combustion of the boiler enters the flue and is collected by the rotating fan blades when passing through the fan blades and falls into the ash accumulation groove through centrifugal motion, so that the purpose of absorbing smoke dust is achieved.
Description
Technical Field
The utility model relates to a thermal power field is a flue gas adsorption structure for coal fired boiler particularly.
Background
The industrial boiler product is used for power generation or gas supply, the industrial boiler is a circulating fluidized bed boiler, the industrial boiler is an important heat energy power device, and China is the country where the boilers are most produced and used in the world.
In the prior art, coal is generally used as fuel in a coal-fired boiler, so that water in the boiler generates steam or becomes hot water, a large amount of flue gas is generated in the coal combustion process, and the flue gas is a mixture of gas and smoke dust and can pollute the environment when being directly discharged into the air.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, the present invention is directed to: the flue gas adsorption structure for the coal-fired boiler can adsorb flue gas generated by coal combustion.
In order to realize the purpose of the utility model, the utility model provides a following technical scheme:
a flue gas adsorption structure for a coal-fired boiler comprises a driving device, a dust deposition device and a rotary base, wherein the dust deposition device comprises a plurality of fan blades, a mounting ring and a dust deposition ring, the mounting ring is of an annular structure, is sleeved on the outer side wall of the rotary base and is rotationally connected with the rotary base, the fan blades are mounted on the mounting ring,
the dust ring is an annular shell with a hollow inner part, the fan blades are arranged in the dust ring, the bottom of the dust ring is provided with a smoke inlet and a dust groove, the distance from the dust groove to the axial line of the flue of the boiler is greater than the distance from the smoke inlet to the axial line of the flue of the boiler, the dust ring is connected with the rotating base, and the top of the dust ring is provided with a plurality of vent holes;
the dust deposition device is arranged in a flue of the boiler, the included angle between the rotating surface of the fan blade and the axial lead of the flue is more than 0, and the rotating base is connected with the inner side wall of the flue;
the driving device is connected with the mounting ring and drives the mounting ring to rotate.
Further, the driving device comprises an evaporation cavity, a driving ring and a sealing block, wherein the driving ring is of an annular structure and is connected with the rotating base, an annular groove is formed in the top of the driving ring, a plurality of sliding blocks are arranged in the annular groove in an annular array mode, the sliding blocks are in sliding fit with the inner side wall of the annular groove, a space between every two adjacent sliding blocks is a pressurization cavity, the sliding blocks are connected with the mounting ring, the sealing block is of an arc-shaped structure and is arranged at the top of the part, located between every two adjacent sliding blocks, of the annular groove and is in sliding fit with the annular groove, and the pressurization cavity is sealed;
the evaporation cavity is of a closed structure, the inside of the evaporation cavity is communicated with the inside of the annular groove through a steam pipeline, and the side wall of the evaporation cavity is in contact connection with the bottom of the boiler.
Further, the driving ring is further provided with an air release port, the air release port is communicated with the pressurizing cavity, and the communication position of the steam transmission pipeline and the annular groove and the communication position of the air release port and the pressurizing cavity are not in the same pressurizing cavity.
Furthermore, the evaporation cavity is of an annular structure and is sleeved outside the side wall of the boiler.
Further, the included angle between the side wall of the steam delivery pipeline and the side wall of the annular groove is not equal to ninety degrees.
Further, the evaporation cavity is also provided with a water filling port, and the water filling port is communicated with the inner part of the evaporation cavity.
Furthermore, the driving device and the dust deposition device are both made of fireproof and high-temperature-resistant materials.
Further, the fan blades are obliquely arranged on the mounting ring.
Compared with the prior art, the utility model, following beneficial effect has:
when the driving device drives the mounting ring to rotate, the mounting ring drives the fan blades to rotate, and smoke generated by coal combustion of the boiler enters the flue and is collected by the rotating fan blades when passing through the fan blades and falls into the ash deposition groove through centrifugal motion, so that the purpose of absorbing smoke dust is realized.
Drawings
FIG. 1 is a structural diagram of a flue gas adsorption structure for a coal-fired boiler according to the present invention;
FIG. 2 is a view showing an internal structure of the dust deposition apparatus;
FIG. 3 is a view showing the connection structure of the driving ring and the sliding block;
FIG. 4 is a view of the structure of the steam pipeline and the slider;
FIG. 5 is a schematic view of the installation of the dust ring;
FIG. 6 is a view showing the structure of the sealing block cooperating with the driving ring;
FIG. 7 is the flue gas adsorption structure and boiler connection schematic diagram for coal-fired boiler of the utility model.
List of reference numerals
1-rotating base, 2-dust-collecting device, 3-driving device, 4-boiler, 201-driving ring, 202-fan blade, 203-mounting ring, 204-sliding block, 205-air-releasing port, 206-dust-collecting ring, 207-sealing block, 208-dust-collecting groove, 209-pressurizing cavity, 210-vent hole, 301-evaporating cavity, 302-steam-conveying pipeline and 401-flue.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, integrally connected, or detachably connected; may be communication within two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art can understand the specific meaning of the above terms in the present invention in specific situations.
A flue gas adsorption structure for a coal-fired boiler comprises a driving device 3, an ash deposition device 2 and a rotary base 1, wherein the ash deposition device 2 comprises a plurality of fan blades 202, a mounting ring 203 and an ash deposition ring 206, the mounting ring 203 is of an annular structure, is sleeved on the outer side wall of the rotary base 1 and is rotatably connected with the rotary base 1, the fan blades 202 are mounted on the mounting ring 203, the ash deposition ring 206 is an annular shell with a hollow inner part, the fan blades 202 are arranged inside the ash deposition ring 206, a smoke inlet and an ash deposition groove 208 are arranged at the bottom of the ash deposition ring 206, the distance from the ash deposition groove 208 to the axial line of a flue 401 of the boiler 4 is greater than the distance from the smoke inlet to the axial line of the flue 401 of the boiler 4, the ash deposition ring 206 is connected with the rotary base 1, and a plurality of vent holes 210 are arranged at the top of the ash deposition ring 206;
the dust deposition device 2 is arranged in a flue 401 of a boiler 4, an included angle between a rotating surface of the fan blade 202 and an axial lead of the flue 401 is greater than 0, and the rotating base 1 is connected with the inner side wall of the flue 401;
the driving device 3 is connected to the mounting ring 203 and drives the mounting ring 203 to rotate.
The utility model discloses in, the casing is provided with the breach bottom the deposition ring 206, the breach does advance the mouth, will advance the mouth to keep away from the edge of rotating base 1 upwards rolls up and forms deposition groove 208.
When the driving device 3 drives the mounting ring 203 to rotate, the mounting ring 203 drives the fan blades 202 to rotate, and when flue gas generated by coal combustion of the boiler 4 enters the flue 401 and passes through the fan blades 202, the flue gas is collected by the rotating fan blades 202 and falls into the ash deposition groove 208 through centrifugal motion, so that the purpose of adsorbing smoke dust is achieved.
Further, the driving device 3 includes an evaporation cavity 301, a driving ring 201, and a sealing block 207, the driving ring 201 is of an annular structure, and is connected to the rotating base 1, an annular groove is formed at the top thereof, a plurality of sliding blocks 204 are arranged in the annular groove in an annular array, the sliding blocks 204 are in sliding fit with the inner side wall of the annular groove, a space between adjacent sliding blocks 204 is a pressurization cavity 209, the sliding blocks 204 are connected to the mounting ring 203, the sealing block 207 is of an arc-shaped structure, and is arranged at the top of the part of the annular groove between adjacent sliding blocks 204, and is in sliding fit with the annular groove, so as to seal the pressurization cavity 209;
the evaporation cavity 301 is of a closed structure, the inside of the evaporation cavity is communicated with the inside of the annular groove through a steam transmission pipeline 302, and the side wall of the evaporation cavity is in contact connection with the bottom of the boiler 4.
In an initial state, water is filled in the evaporation cavity 301, when the boiler 4 works, the water in the evaporation cavity 301 forms steam by the heat of coal combustion, the steam is introduced into the pressurization cavity 209 of the annular groove through the steam transmission pipeline 302, when the pressure in the pressurization cavity 209 is increased to a threshold value, the sliding block 204 is pushed, so that the mounting ring 203 is driven to rotate, and when the sliding block 204 passes through the outlet of the steam transmission pipeline 302 after the mounting ring 203 starts to rotate, the sliding block 204 is pushed by the steam, so that the mounting ring 203 keeps rotating.
Further, the driving ring 201 is further provided with a relief opening 205, the relief opening 205 is communicated with the pressurizing cavity 209, and the communication position of the steam transmission pipeline 302 and the annular groove and the communication position of the relief opening 205 and the pressurizing cavity 209 are not in the same pressurizing cavity 209.
When the pressurizing cavity 209 moves to the air release opening 205, the moisture in the pressurizing cavity 209 is released from the air release opening 205, so that the pressurizing cavity 209 is prevented from exploding due to overhigh pressure, and the condensed water in the pressurizing cavity 209 is discharged.
Further, the evaporation cavity 301 is of an annular structure and is sleeved outside the side wall of the boiler 4.
The evaporation cavity 301 with the annular structure can be uniformly heated, and the evaporation efficiency is increased.
Further, the sidewall of the steam delivery pipe 302 is not angled ninety degrees from the annular groove sidewall.
The included angle between the side wall of the steam delivery pipe 302 and the side wall of the annular groove is not equal to ninety degrees, so that the included angle between the moving direction of the steam emerging from the steam delivery pipe 302 and the moving direction of the slider 204 is always less than ninety degrees, and the steam can continuously push the slider 204.
Further, the evaporation cavity 301 is further provided with a water filling port, and the water filling port is communicated with the inside of the evaporation cavity 301.
By arranging the water filling port, the water can be timely added when the water amount in the evaporation cavity 301 is insufficient.
Furthermore, the driving device 3 and the dust deposition device 2 are both made of fireproof and high-temperature resistant materials.
Prevent to make because of high temperature drive arrangement 3, deposition device 2 are damaged the utility model discloses in, fire-resistant, high temperature resistant material can be for pottery.
Further, the fan blades 202 are obliquely mounted on the mounting ring 203.
Through the slope setting flabellum 202, increase smoke efficiency.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the embodiments in the above description, and the technical concept of the present invention can be within the scope of the present invention, and can be modified to various simple modifications, and these simple modifications all belong to the protection scope of the present invention. It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features. In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (8)
1. A flue gas adsorption structure for a coal-fired boiler is characterized by comprising a driving device (3), a dust deposition device (2) and a rotating base (1), wherein the dust deposition device (2) comprises a plurality of fan blades (202), a mounting ring (203) and a dust deposition ring (206), the mounting ring (203) is of an annular structure, is sleeved on the outer side wall of the rotating base (1) and is rotatably connected with the rotating base (1), the fan blades (202) are mounted on the mounting ring (203),
the ash deposition ring (206) is an annular shell with a hollow inner part, the fan blades (202) are arranged inside the ash deposition ring (206), a smoke inlet and an ash deposition groove (208) are arranged at the bottom of the ash deposition ring (206), the distance from the ash deposition groove (208) to the axis of a flue (401) of the boiler (4) is greater than the distance from the smoke inlet to the axis of the flue (401) of the boiler (4), the ash deposition ring (206) is connected with the rotating base (1), and a plurality of vent holes (210) are formed in the top of the ash deposition ring (206);
the ash deposition device (2) is arranged in a flue (401) of a boiler (4), an included angle between a rotating surface of the fan blade (202) and the axial lead of the flue (401) is larger than 0, and the rotating base (1) is connected with the inner side wall of the flue (401);
the driving device (3) is connected with the mounting ring (203) and drives the mounting ring (203) to rotate.
2. The flue gas adsorption structure for the coal-fired boiler according to claim 1, wherein the driving device (3) comprises an evaporation cavity (301), a driving ring (201) and a sealing block (207), the driving ring (201) is of an annular structure and is connected with the rotating base (1), an annular groove is formed in the top of the driving ring, a plurality of sliding blocks (204) are arranged in the annular groove in an annular array manner, the sliding blocks (204) are in sliding fit with the inner side wall of the annular groove, a pressurizing cavity (209) is formed in a space between every two adjacent sliding blocks (204), the sliding blocks (204) are connected with the mounting ring (203), the sealing block (207) is of an arc-shaped structure and is arranged at the top of the part, located between every two adjacent sliding blocks (204), of the annular groove and is in sliding fit with the annular groove to seal the pressurizing cavity (209);
the evaporation cavity (301) is of a closed structure, the interior of the evaporation cavity is communicated with the interior of the annular groove through a steam transmission pipeline (302), and the side wall of the evaporation cavity is in contact connection with the bottom of the boiler (4).
3. The flue gas adsorption structure for the coal-fired boiler according to claim 2, wherein a gas release opening (205) is further provided on the driving ring (201), the gas release opening (205) is communicated with the pressurizing cavity (209), and the communication between the steam delivery pipe (302) and the annular groove and the communication between the gas release opening (205) and the pressurizing cavity (209) are not in the same pressurizing cavity (209).
4. The flue gas adsorption structure for the coal-fired boiler as recited in claim 2, wherein the evaporation cavity (301) is of an annular structure and is sleeved outside the side wall of the boiler (4).
5. The flue gas adsorption structure for a coal-fired boiler according to claim 2, wherein an angle between the side wall of the steam delivery pipe (302) and the side wall of the annular groove is not equal to ninety degrees.
6. The flue gas adsorption structure for a coal-fired boiler according to claim 2, wherein the evaporation chamber (301) is further provided with a water filling port, and the water filling port is communicated with the inside of the evaporation chamber (301).
7. The flue gas adsorption structure for the coal-fired boiler according to claim 1, wherein the driving device (3) and the ash deposition device (2) are made of refractory and high temperature resistant materials.
8. The flue gas adsorption structure for a coal-fired boiler according to claim 1, wherein the fan blades (202) are installed to be inclined on the installation ring (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020634348.7U CN212299045U (en) | 2020-04-23 | 2020-04-23 | Flue gas adsorption structure for coal-fired boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020634348.7U CN212299045U (en) | 2020-04-23 | 2020-04-23 | Flue gas adsorption structure for coal-fired boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212299045U true CN212299045U (en) | 2021-01-05 |
Family
ID=73964582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020634348.7U Expired - Fee Related CN212299045U (en) | 2020-04-23 | 2020-04-23 | Flue gas adsorption structure for coal-fired boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212299045U (en) |
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2020
- 2020-04-23 CN CN202020634348.7U patent/CN212299045U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210105 Termination date: 20210423 |