CN219693237U - Pulverized coal burner flame spraying device - Google Patents
Pulverized coal burner flame spraying device Download PDFInfo
- Publication number
- CN219693237U CN219693237U CN202320779208.2U CN202320779208U CN219693237U CN 219693237 U CN219693237 U CN 219693237U CN 202320779208 U CN202320779208 U CN 202320779208U CN 219693237 U CN219693237 U CN 219693237U
- Authority
- CN
- China
- Prior art keywords
- pipe
- pulverized coal
- distribution pipe
- flame spraying
- coal burner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010285 flame spraying Methods 0.000 title claims abstract description 39
- 239000003245 coal Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 18
- 239000000779 smoke Substances 0.000 abstract description 16
- 238000003466 welding Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 18
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 210000003437 trachea Anatomy 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model discloses a pulverized coal burner flame spraying device, which comprises an inner cylinder and an outer cylinder, wherein the inner cylinder and the outer cylinder are connected through a fastener; the outer cylinder left end wear to be equipped with the intake pipe from left to right, the inner tube right-hand member wear to be equipped with the gas distribution pipe from right to left, intake pipe and gas distribution pipe between fix through the ferrule, gas distribution pipe right-hand member be connected with the flame projecting head. The utility model adopts the pipe hoop to connect the air inlet pipe and the air distribution pipe, so that the problems that the structural design of the pulverized coal burner flame spraying device is unreasonable, the flow of smoke cannot be effectively controlled, the smoke dust and the gas in the smoke are unevenly mixed, the combustion stability is further influenced, meanwhile, the welding quality of the flame spraying device is poor, the problems of insufficient air tightness, air leakage and the like are easy to occur, the combustion effect is further influenced, the heat dissipation can be effectively prevented, the heat efficiency is improved, and the service life of the pulverized coal burner is longer are further realized.
Description
Technical Field
The utility model relates to the technical field of pulverized coal burners, in particular to a pulverized coal burner flame spraying device.
Background
The coal powder burner is a new type burner and is mainly used for heating fuel of industrial thermodynamic equipment such as thermal power plant, thermodynamic plant, steam turbine and boiler. The energy-saving device has the advantages of simple structure, convenient control, high combustion efficiency, less dust and less smoke pollution.
The working principle of the pulverized coal burner is as follows: pulverized coal is prepared into pulverized coal with required fineness through procedures of crushing, sieving and the like, and then the pulverized coal is ignited by combustion supporting of air and oxygen in the air to form flame with the combustion temperature of more than 1700 ℃, so that the pulverized coal is combusted into heat output.
The working principle of the flame-spraying head of the pulverized coal burner is that pulverized coal is sprayed into a combustion chamber at a certain pressure and flow, and then combustion is carried out by a combustion agent (such as air) to form combustion. The flame head of the pulverized coal burner is a core component thereof, which determines the combustion efficiency and the thermal efficiency of the burner, and is one of key components of the burner.
However, in the process of implementing the technical scheme of the embodiment of the utility model, the inventor discovers that the above technology has at least the following technical problems:
the structural design of the pulverized coal burner flame spraying device is unreasonable, the flow of smoke cannot be effectively controlled, the smoke dust and gas in the smoke are unevenly mixed, the stability of combustion is further affected, meanwhile, the welding quality of the flame spraying device is poor, the problems of insufficient air tightness, air leakage and the like are easy to occur, and the combustion effect is affected.
Disclosure of Invention
The embodiment of the utility model solves the technical problems that the structural design of the pulverized coal burner flame spraying device in the prior art is unreasonable, the flow of smoke cannot be effectively controlled, the smoke dust and the gas in the smoke are unevenly mixed, the combustion stability is further affected, meanwhile, the welding quality of the flame spraying device is poor, the problems of insufficient air tightness, air leakage and the like are easy to occur, the combustion effect is affected, the heat dissipation can be effectively prevented, the heat efficiency is improved, and the service life of the pulverized coal burner is longer.
The embodiment of the utility model provides a pulverized coal burner flame spraying device, which comprises an inner cylinder and an outer cylinder, wherein the inner cylinder and the outer cylinder are connected through a fastener; the method is characterized in that: the outer cylinder left end wear to be equipped with the intake pipe from left to right, the inner tube right-hand member wear to be equipped with the gas distribution pipe from right to left, intake pipe and gas distribution pipe between fix through the ferrule, gas distribution pipe right-hand member be connected with the flame projecting head.
Furthermore, the center of the air inlet pipe is provided with a through cylinder, and both sides of the air inlet pipe are provided with air inlet pipe external threads.
Further, the outer circular surface of the left end of the gas distribution pipe is provided with gas distribution pipe external threads, the gas distribution pipe is provided with a gas distribution pipe inner cavity, the outer ring of the gas distribution pipe inner cavity is provided with a plurality of groups of arc-shaped connecting pipes, and the inner ring on the right side of the arc-shaped connecting pipes is provided with arc-shaped connecting pipe internal threads.
Further, the right end of the arc-shaped connecting pipe is connected with a flame spraying head.
Further, the left end of the flame spraying head is provided with a flame spraying head external thread, the outer circular surface of the flame spraying head is uniformly provided with a plurality of groups of flame spraying head through holes, and the flame spraying head external thread is in threaded connection with the inner thread of the arc-shaped connecting pipe.
Furthermore, the pipe hoop is cylindrical, and the inner ring is provided with pipe hoop internal threads.
Further, the air inlet pipe external thread and the air distribution pipe external thread are positioned on the same axis and connected through the pipe clamp, and the total length of the air inlet pipe external thread and the air distribution pipe external thread is equal to the length of the pipe clamp internal thread.
Further, the air inlet pipe, the air distribution pipe, the arc-shaped connecting pipe and the inner cavity of the flame spraying head are communicated.
One or more technical solutions provided in the embodiments of the present utility model at least have the following technical effects or advantages:
because the pipe hoop is adopted to connect the air inlet pipe and the air distribution pipe, the structural design of the pulverized coal burner flame spraying device is unreasonable, the flow of smoke cannot be effectively controlled, the smoke dust and the gas in the smoke are unevenly mixed, the stability of combustion is further affected, meanwhile, the welding quality of the flame spraying device is poor, the problems of insufficient air tightness, air leakage and the like are easily caused, the technical problem of influencing the combustion effect is solved, the heat dissipation can be effectively prevented, the heat efficiency is improved, and the service life of the pulverized coal burner is longer.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic view of a gas distribution pipe according to an embodiment of the present utility model;
FIG. 3 is a schematic view showing a three-dimensional structure of a gas-distributing pipe according to an embodiment of the present utility model;
fig. 4 is a schematic structural view of a flame head according to an embodiment of the present utility model.
Detailed Description
Because the pipe hoop is adopted to connect the air inlet pipe and the air distribution pipe, the structural design of the pulverized coal burner flame spraying device is unreasonable, the flow of smoke cannot be effectively controlled, the smoke dust and the gas in the smoke are unevenly mixed, the stability of combustion is further affected, meanwhile, the welding quality of the flame spraying device is poor, the problems of insufficient air tightness, air leakage and the like are easily caused, the technical problem of influencing the combustion effect is solved, the heat dissipation can be effectively prevented, the heat efficiency is improved, and the service life of the pulverized coal burner is longer.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Examples
The pulverized coal burner flame spraying device comprises an inner cylinder 5 and an outer cylinder 6, wherein the inner cylinder 5 and the outer cylinder 6 are connected through a fastener; the method is characterized in that: the outer cylinder 6 left end wear to be equipped with intake pipe 1 from left to right, inner cylinder 5 right-hand member wear to be equipped with minute trachea 3 from right to left, intake pipe 1 and minute trachea 3 between fix through ferrule 2, minute trachea 3 right-hand member be connected with flaming head 4. The center of the air inlet pipe 1 is in a penetrating cylinder shape, and air inlet pipe external threads 1.1 are arranged on two sides of the air inlet pipe 1. The pipe hoop 2 is cylindrical, and the inner ring is provided with pipe hoop internal threads 2.1. The air inlet pipe external thread 1.1 and the air distribution pipe external thread 3.1 are positioned on the same axis and connected through the pipe clamp 2, and the total length of the air inlet pipe external thread 1.1 and the air distribution pipe external thread 3.1 is equal to the length of the pipe clamp internal thread 2.1.
Specifically, the air inlet pipe 1 and the air distribution pipe 3 are connected and fixed through the pipe hoop 2, and the pulverized coal burner is different from the traditional welding connection mode and the traditional bolt connection mode, has better connection effect, can effectively prevent heat dissipation, improves the heat efficiency, and ensures that the service life of the pulverized coal burner is longer.
Examples
The outer circle surface of the left end of the gas distribution pipe 3 is provided with gas distribution pipe external threads 3.1, the gas distribution pipe 3 is provided with a gas distribution pipe inner cavity 3.2, the outer circle of the gas distribution pipe inner cavity 3.2 is provided with a plurality of groups of arc-shaped connecting pipes 3.3, and the inner circle on the right side of the arc-shaped connecting pipes 3.3 is provided with arc-shaped connecting pipe internal threads 3.4; the right end of the arc-shaped connecting pipe 3.3 is connected with a flame spraying head 4; the left end of the flame spraying head 4 is provided with flame spraying head external threads 4.1, the outer circular surface of the flame spraying head 4 is uniformly provided with a plurality of groups of flame spraying head through holes 4.2, and the flame spraying head external threads 4.1 are in threaded connection with the arc-shaped connecting pipe internal threads 3.4.
Specifically, unlike the existing bolt connection mode and welding connection mode, the bolt connection quality is limited, the welding connection mode is high in quality, but the welding parameter requirement is high, and the welding process is complex.
The specific implementation method comprises the following steps:
when the air distribution pipe is installed, firstly, the pipe hoop 2 is screwed on the left end of the air distribution pipe 3, then the air distribution pipe 3 penetrates from the right end of the inner cylinder 5, the air inlet pipe 1 penetrates from the left end of the outer cylinder 6, the air distribution pipe 3 and the air inlet pipe 1 are aligned and screwed into the pipe hoop 2, and at the moment, the installation of the air distribution pipe 3 and the air inlet pipe 1 is completed.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. The pulverized coal burner flame spraying device comprises an inner cylinder (5) and an outer cylinder (6), wherein the inner cylinder (5) and the outer cylinder (6) are connected through a fastener; the method is characterized in that: the outer cylinder (6) left end wear to be equipped with intake pipe (1) from left to right, inner tube (5) right-hand member wear to be equipped with gas distribution pipe (3) from right to left, intake pipe (1) and gas distribution pipe (3) between fix through ferrule (2), gas distribution pipe (3) right-hand member be connected with flame spraying head (4).
2. A pulverized coal burner flame projecting apparatus as claimed in claim 1, characterized in that: the center of the air inlet pipe (1) is in a penetrating cylinder shape, and air inlet pipe external threads (1.1) are arranged on two sides of the air inlet pipe (1).
3. A pulverized coal burner flame projecting apparatus as claimed in claim 1, characterized in that: the outer circle surface of the left end of the gas distribution pipe (3) is provided with a gas distribution pipe external thread (3.1), the gas distribution pipe (3) is provided with a gas distribution pipe inner cavity (3.2), the outer circle of the gas distribution pipe inner cavity (3.2) is provided with a plurality of groups of arc-shaped connecting pipes (3.3), and the inner circle on the right side of the arc-shaped connecting pipes (3.3) is provided with arc-shaped connecting pipe internal threads (3.4).
4. A pulverized coal burner flame projecting apparatus as claimed in claim 3, characterized in that: the right end of the arc-shaped connecting pipe (3.3) is connected with a flame spraying head (4).
5. A pulverized coal burner flame projecting apparatus as claimed in claim 1, characterized in that: the left end of the flame spraying head (4) is provided with flame spraying head external threads (4.1), the outer circular surface of the flame spraying head (4) is uniformly provided with a plurality of groups of flame spraying head through holes (4.2), and the flame spraying head external threads (4.1) are in threaded connection with the arc-shaped connecting pipe internal threads (3.4).
6. A pulverized coal burner flame projecting apparatus as claimed in claim 2, characterized in that: the pipe hoop (2) is cylindrical, and the inner ring is provided with pipe hoop internal threads (2.1).
7. A pulverized coal burner flame projecting apparatus as claimed in claim 2, characterized in that: the air inlet pipe external thread (1.1) is positioned on the same axis as the air distribution pipe external thread (3.1) and is connected with the air distribution pipe external thread through the pipe hoop (2), and the total length of the air inlet pipe external thread (1.1) and the air distribution pipe external thread (3.1) is equal to the length of the pipe hoop internal thread (2.1).
8. A pulverized coal burner flame projecting apparatus as claimed in claim 1, characterized in that: the air inlet pipe (1), the air distribution pipe (3), the arc-shaped connecting pipe (3.3) and the inner cavity of the flame spraying head (4) are communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320779208.2U CN219693237U (en) | 2023-04-11 | 2023-04-11 | Pulverized coal burner flame spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320779208.2U CN219693237U (en) | 2023-04-11 | 2023-04-11 | Pulverized coal burner flame spraying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219693237U true CN219693237U (en) | 2023-09-15 |
Family
ID=87962312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320779208.2U Active CN219693237U (en) | 2023-04-11 | 2023-04-11 | Pulverized coal burner flame spraying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219693237U (en) |
-
2023
- 2023-04-11 CN CN202320779208.2U patent/CN219693237U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |