CN210601603U

CN210601603U - Binary vertical burner

Info

Publication number: CN210601603U
Application number: CN201921653478.9U
Authority: CN
Inventors: 王振琦; 杨延中
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-05-22
Anticipated expiration: 2029-09-30

Abstract

A binary vertical burner relates to a burner. The utility model provides a current atomizing combustor have the energy resource consumption high, cause the pollution and the current problem that the gasification burner easily produced the carbon deposit to the environment. A plurality of external connection mouth lie in one side of cavity, and cavity spout horizontal installation is at the opposite side of cavity, installs fuel blender on the external connection mouth, and the slope of ignition observation tube sets up, the one end of ignition observation tube with one side of cavity is connected, and the other end of ignition observation tube is provided with the sight glass, is provided with ignition pond board and ignition needle in the ignition observation tube, and steady voltage steady temperature plenum is bellows, and the cavity spout, ignition observation tube, schizolysis fusion room, fuel blender all set up in the bellows, and the lower part of bellows is provided with like the wind gap, and the one end of oxygen therapy tube and another tip intercommunication of ignition observation tube, the other end and the bellows intercommunication of oxygen therapy tube, ignition liquid input tube and ignition observation tube intercommunication. The utility model is used for the combustor on boiler, hot-blast furnace, drying furnace.

Description

Binary vertical burner

Technical Field

The utility model relates to a combustor, concretely relates to binary vertical combustor.

Background

The combustor is divided into an atomizing combustor and a gasification combustor according to the mode of fuel combustion, the fuel of the atomizing combustor is liquid fuel and gas fuel, the fuel of the gasification combustor is liquid fuel, the existing atomizing combustor is mixed and combusted by high-pressure atomizing fuel and air, one part of the existing atomizing combustor is not well atomized and is blown out by high-speed air, combustible substances such as CO and the like generated in the combustion of the other part of the existing atomizing combustor are blown away by the high-speed air, the fuel which cannot be completely combusted is about more than 20 percent, and the energy consumption is high; due to low combustion efficiency, the exhausted tail gas can pollute the surrounding environment;

the existing gasification burners are divided into two types, one type is an external evaporation gasification device, so that fuel is gasified and then is conveyed to a burner for combustion; the other is to use electric heating to perform radiant heating by using a combustion cavity opening pipe, and fuel gasification is performed by a combined heating method; in both methods, the fuel is gasified and then conveyed to a burner for burning, so that carbon deposition is easily generated.

In conclusion, the existing atomizing burner has high energy consumption, causes pollution to the environment and is easy to generate carbon deposition.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve present atomizing combustor and have the energy resource consumption height, cause the problem of pollution and the easy carbon deposit that produces of current gasification combustor to the environment, and then provide a binary vertical burner.

The utility model discloses a solve the technical scheme that above-mentioned technical problem took and be:

the utility model discloses a binary vertical burner includes pyrolysis fusion room, air distribution device, a plurality of fuel blenders, binary vertical burner still includes steady voltage steady temperature plenum, the pyrolysis combustion room includes cavity spout 1-1, upper chamber cover connection pad 1-2, upper chamber cover deflector 1-4, cavity 1-5, ignition observation tube 1-9, ignition fluid input tube 1-10, ignition pool board 1-11, ignition needle 1-12, oxygen therapy tube 1-13, sight glass 1-14 and a plurality of external connection mouth 1-7, cavity 1-5 is vertical to be set up, cavity 1-5's upper portion slope is provided with upper chamber cover deflector 1-4, the upper end and the upper chamber cover connection pad 1-2 of cavity 1-5 can be dismantled and be connected, form the chamber cover heat preservation between upper chamber cover deflector 1-4 and the upper chamber cover connection pad 1-2, a plurality of external connectors 1-7 are positioned at one side of the cavity 1-5, a cavity nozzle 1-1 is horizontally arranged at the other side of the cavity 1-5, a fuel mixer is arranged on the external connectors 1-7, an ignition observation tube 1-9 is obliquely arranged, one end of the ignition observation tube 1-9 is connected with one side of the cavity 1-5, an observation mirror 1-14 is arranged at the other end of the ignition observation tube 1-9, and an ignition pool plate 1-11 and an ignition needle 1-12 are arranged in the ignition observation tube 1-9;

the pressure and temperature stabilizing air chamber is an air box 3-1, a chamber nozzle 1-1, an ignition observing pipe 1-9, a cavity 1-5 and a fuel mixer are all arranged in the air box 3-1, the lower part of the air box 3-1 is provided with an air inlet, one end of an oxygen conveying pipe 1-13 is communicated with the other end of the ignition observing pipe 1-9, the other end of the oxygen conveying pipe 1-13 is communicated with the air box 3-1, and an ignition liquid input pipe 1-10 is communicated with the ignition observing pipe 1-9;

the fuel mixer comprises a mixing cavity 2-1, a mixing nozzle 2-3, a flange 2-5, a main air door 2-7, a water supply pipe 2-8, a fuel input pipe 2-9 and a plurality of first air guide plates 2-4, wherein the mixing cavity 2-1 is horizontally arranged in the cavity 1-5, the left half part of the mixing cavity 2-1 is positioned in the cavity 1-5, the right half part of the mixing cavity 2-1 is positioned outside the cavity 1-5, a plurality of fuel outlets 2-2 are processed at the bottom of the left half part of the mixing cavity 2-1, one end of the fuel input pipe 2-9 penetrates through the mixing cavity 2-1 and is communicated with the mixing cavity 2-1, the mixing nozzle 2-3 is arranged at one end of the fuel input pipe 2-9, the other end of the fuel input pipe 2-9 is connected with the water supply pipe 2-8, a plurality of first air guide plates 2-4 are arranged at an air inlet in the middle of the mixing cavity 2-1 along the circumferential direction, a main air door 2-7 is arranged at an air outlet of the mixing cavity 2-1, and the mixing cavity 2-1 is connected with an external connecting port 1-7 through a flange plate 2-5;

the air distribution device comprises a primary air distribution door 4-1, a primary air supply chamber 4-2, a secondary air distribution door 4-3, a secondary air supply chamber 4-4, a tertiary air distribution door 4-6, a tertiary air supply chamber 4-7 and a plurality of second air guide plates 4-5, the tail section of a cavity nozzle 1-1 is positioned outside the air box 3-1, the outer ring of the tail section of the cavity nozzle 1-1 is sequentially provided with the secondary air supply chamber 4-4 and the tertiary air supply chamber 4-7, the secondary air supply chamber 4-4 is communicated with the air box 3-1 through the secondary air distribution door 4-3, the tertiary air supply chamber 4-7 is communicated with the air box 3-1 through the tertiary air distribution door 4-6, the primary air supply chamber 4-2 is positioned inside the cavity nozzle 1-1, the primary air distribution door 4-1 is positioned in the air box 3-1 and is communicated with the primary air supply chamber 4-2, and a second air guide plate 4-5 is arranged in the secondary air supply chamber 4-4 along the circumferential direction.

In one embodiment, a plurality of first wind guide plates 2-4 are arranged at the middle wind outlet of the mixing chamber 2-1 along the circumferential direction thereof.

In one embodiment, a plurality of second wind guide plates 4-5 are uniformly distributed in the secondary wind blowing chamber 4-4 along the circumferential direction thereof.

In one embodiment, the included angle between the upper cavity cover guide plate 1-4 and the horizontal direction is 5-20 degrees.

In one embodiment, the number of fuel mixers ranges from 2 to 12.

In one embodiment, the upper cavity cover coupling plate 1-2 is hermetically coupled to the upper end surface of the cavity 1-5 by a plurality of bolt assemblies 1-8.

In one embodiment, the combustion cracking chamber further comprises a cavity heat-insulating layer 1-6, the cavity heat-insulating layer 1-6 covers the outside of the cavity 1-5, and the cavity heat-insulating layer 1-6 is a heat-insulating layer made of high-temperature-resistant materials.

In one embodiment, the inner bottom surface of the cavity 1-5 is a tapered surface, the middle of the inner bottom surface is high, and the inner bottom surface is gradually reduced from the middle to the edge.

In one embodiment, the angle of inclination between the fire observation tubes 1-9 and the horizontal is in the range of 5 to 25 degrees.

Compared with the prior art, the utility model following beneficial effect has:

the other end of the fuel pipe of the binary vertical burner of the utility model is provided with a fuel inlet and a water inlet, namely, the supply mode of mixing fuel and water is realized, a cavity spout, an ignition observing pipe, a combustion cracking chamber and a fuel mixer are all arranged in an air box, air is pressed in from an air inlet by an external air blower, the air pressure keeps a constant value at the moment, the air enters an air chamber and heats the air from low to high by the heat released by the cavity of the burner, and finally enters a specific temperature, combustible substances such as CO, H and the like generated in the process of combustion and gasification cracking in the cavity can be fully utilized,

the invention mixes one liquid fuel with water and the fuel injection agent, and the combustor manufactured by adopting the binary combustion principle improves the heat energy conversion by more than 30 percent in the actual measurement of an industrial steam boiler, and has high energy utilization rate;

the ignition structure of the binary vertical burner has the advantages that the ignition deflagration problem is solved, and the potential safety hazard of casualty accidents caused by improper ignition is eliminated;

the utility model discloses a combustible substance can both fully burn, and the combustor can not produce the carbon deposit, does not produce harmful gas, plays the guard action to the environment.

Drawings

FIG. 1 is a main sectional view (combustion cracking section) of a dual horizontal burner of the present invention;

FIG. 2 is a front cross-sectional view (ignition sight tube portion) of a dual horizontal burner of the present invention;

FIG. 3 is a front cross-sectional view (fuel mixer section) of a dual horizontal burner of the present invention;

fig. 4 is a main sectional view (air distribution portion) of a dual horizontal burner according to the present invention.

Detailed Description

The first embodiment is as follows: as shown in fig. 1-4, the binary vertical burner of the present embodiment comprises a cracking fusion chamber, an air distribution device, a plurality of fuel mixers, and a pressure and temperature stabilizing air chamber, wherein the combustion cracking chamber comprises a chamber nozzle 1-1, an upper chamber cover connecting disc 1-2, an upper chamber cover guide plate 1-4, a chamber 1-5, an ignition observation tube 1-9, an ignition liquid input tube 1-10, an ignition pool plate 1-11, an ignition needle 1-12, an oxygen delivery tube 1-13, an observation mirror 1-14, and a plurality of external connectors 1-7, the chamber 1-5 is vertically arranged, the upper chamber cover guide plate 1-4 is obliquely arranged on the upper part of the chamber 1-5, the upper end of the chamber 1-5 is detachably connected with the upper chamber cover connecting disc 1-2, a chamber cover insulating layer is formed between the upper chamber cover guide plate 1-4 and the upper chamber cover connecting disc 1-2, a plurality of external connectors 1-7 are positioned at one side of the cavity 1-5, a cavity nozzle 1-1 is horizontally arranged at the other side of the cavity 1-5, a fuel mixer is arranged on the external connectors 1-7, an ignition observation tube 1-9 is obliquely arranged, one end of the ignition observation tube 1-9 is connected with one side of the cavity 1-5, an observation mirror 1-14 is arranged at the other end of the ignition observation tube 1-9, and an ignition pool plate 1-11 and an ignition needle 1-12 are arranged in the ignition observation tube 1-9;

the fuel mixer comprises a mixing cavity 2-1, a mixing nozzle 2-3, a flange 2-5, a main air door 2-7, a water supply pipe 2-8, a fuel input pipe 2-9 and a plurality of first air guide plates 2-4, wherein the mixing cavity 2-1 is horizontally arranged in the cavity 1-5, the left half part of the mixing cavity 2-1 is positioned in the cavity 1-5, the right half part of the mixing cavity 2-1 is positioned outside the cavity 1-5, a plurality of fuel outlets 2-2 are processed at the bottom of the left half part of the mixing cavity 2-1, one end of the fuel input pipe 2-9 penetrates through the mixing cavity 2-1 and is communicated with the mixing cavity 2-1, the mixing nozzle 2-3 is arranged at one end of the fuel input pipe 2-9, the other end of the fuel input pipe 2-9 is connected with the water supply pipe 2-8, a plurality of first air guide plates 2-4 are arranged at the air outlet in the middle of the mixing cavity 2-1 along the circumferential direction, a main air door 2-7 is arranged at the air inlet of the mixing cavity 2-1, and the mixing cavity 2-1 is connected with an external connecting port 1-7 through a flange plate 2-5;

Binary means that the first combustion of fuel is partial fuel combustion in a combustor chamber, so as to make the combustor chamber reach a certain temperature and make the mixture of unburned fuel and water undergo cracking under the condition of the temperature, and the cracking process is completed in high-temperature and stirred flame held in the chamber, and is called as a combustion cracking unit; the cracked combustible is sprayed out of the burner, and the air after twice air distribution is fully mixed for secondary combustion, which is called as a diffusion combustion unit, so that the combustion is called as binary combustion.

The second embodiment is as follows: as shown in fig. 3, a plurality of first wind guide plates 2-4 are arranged at the air outlet in the middle of the mixing chamber 2-1 in the present embodiment along the circumferential direction thereof. Due to the design, the fuel, the water and the air in the main air pipe 2-1 enter the cavity 1-5 to be distributed more uniformly. Other components and connections are the same as those in the first embodiment.

The third concrete implementation mode: as shown in fig. 4, a plurality of second air guide plates 4-5 are uniformly distributed in the secondary air blowing chamber 4-4 in the circumferential direction. By the design, air distribution in the secondary air supply chamber 4-4 can be more uniform, and the length of the flame in the cavity can be determined by the angle of the second air guide plate 4-5. Other components and connection relationships are the same as those in the first or second embodiment.

The fourth concrete implementation mode: as shown in fig. 1, the angle between the upper cavity cover guide plate 1-4 and the horizontal direction is 5 to 20 degrees in this embodiment. By the design, the included angle between the upper cavity cover guide plate 1-4 and the horizontal direction can be adjusted according to different fuels, so that the cavity outlet speed of combustible materials after the fuel mixture is combusted and cracked is adjusted. Other components and connection relationships are the same as those in the third embodiment.

The fifth concrete implementation mode: as shown in fig. 3, the number of fuel mixers in the present embodiment ranges from 2 to 12. By the design, a proper number of mixers are installed according to the output power of the combustor and the combustion cracking uniformity. The other components and the connection relations are the same as those of the first, second or fourth embodiment.

The sixth specific implementation mode: as shown in fig. 1, the upper cover connection plate 1-2 of the present embodiment is hermetically connected to the upper end surface of the chamber 1-5 by a plurality of bolt assemblies 1-8. Due to the design, the connection and the disassembly of the upper cavity cover connecting disc 1-2 and the upper end surface of the cavity 1-5 are facilitated. The other components and the connection relationship are the same as those in the fifth embodiment.

The seventh embodiment: as shown in fig. 1, the combustion cracking chamber of the present embodiment further includes a cavity insulating layer 1-6, the cavity insulating layer 1-6 covers the outside of the cavity 1-5, and the cavity insulating layer 1-6 is a high temperature resistant material insulating layer. By the design, certain high temperature of the cavity 1-5 can be kept, and a suitable high-temperature environment is provided for combustion and cracking of the mixed fuel. Other components and connections are the same as in the first, second, fourth or sixth embodiments.

The specific implementation mode is eight: as shown in fig. 1, the inner bottom surface of the cavity 1-5 in the present embodiment is a tapered surface, the middle of the inner bottom surface is high, and the inner bottom surface is gradually decreased from the middle to the edge. By the design, the mixed fuel mixed and sprayed out can be continuously stirred in the designated direction, the combustion and cracking are uniformly completed, and the impact vibration to the bottom surface when the mixed fuel is sprayed out is also reduced. Other components and connection relationships are the same as those in the seventh embodiment.

The specific implementation method nine: as shown in fig. 1, the range of the inclination angle between the ignition observation tube 1-9 of the present embodiment and the horizontal plane is 5-25 degrees. By the design, the ignition observing tube 1-9 is inclined to the horizontal plane, and the ignition liquid automatically flows into the combustion cracking chamber after being ignited, so that the main flame is ignited. Other components and connection relationships are the same as those in the first, second, fourth, sixth or eighth embodiments.

The working process is as follows:

firstly, starting an external fan, injecting air into a cavity 3-1 from a 3-2 air inlet, igniting by an ignition needle 1-12, inputting a certain amount of ignition liquid fuel by an ignition liquid input pipe 1-10 in a specified time after ignition, simultaneously inputting air by an oxygen input pipe 1-13, after ignition along the ignition of the ignition liquid, flowing the liquid fuel with fire into the cavity 1-5 through an observation pipe 1-9, enabling the bottom edge of the cavity to be fully distributed with flame, and simultaneously starting real-time detection by an electronic eye outside an observation mirror 1-14; injecting a small amount of water in a specified time through a water supply pipe 2-8, injecting a certain amount of fuel through a fuel input pipe 2-9, spraying the fuel and the water through a fuel and water mixing nozzle 2-3, simultaneously opening a main air door 2-7, inputting a certain proportion of air, forming swirling air through an air guide plate 2-4 by the air input through a main air pipe 2-1, uniformly stirring and mixing the fuel and the water by the swirling air, mixing the fuel and the water by a plurality of mixing cavities, spraying the mixed fuel into the cavities 1-5 to ignite main flames, igniting the main flames, then continuously inputting the air into an ignition system except an oxygen input pipe 1-13, closing all the main flames, burning the main flames in the cavities 1-5 for a certain time, gradually increasing the injected fuel, the water and the air according to the proportion after the temperature in the cavities 1-2 reaches the requirement, burning and cracking the mixed fuel in the cavities 1-5, the cracked combustible substance flows into the cavity opening 1-1 and is sprayed out from the other end under the guide of the upper cavity cover guide plate, meanwhile, the primary air distribution door is opened in proportion, and the air in the air box 3-1 is output through the primary air supply chamber 4-2; opening a secondary air distribution door 4-3 in proportion, enabling air in the air box 3-1 to pass through a secondary air supply chamber 4-4, and forming rotational flow air output on an air guide plate 4-5; the tertiary air distributing door 4-6 is opened in proportion, the air in the air box 3-1 is output through the tertiary air supply chamber 4-7, and the three layers of air are fully mixed and combusted with the combustible material sprayed out of the cavity opening 1-1.

Claims

1. A binary vertical burner comprises a cracking fusion chamber, an air distribution device and a plurality of fuel mixers, and is characterized in that: the binary vertical burner also comprises a pressure-stabilizing and temperature-stabilizing air chamber, the combustion cracking chamber comprises a chamber nozzle (1-1), an upper chamber cover connecting disc (1-2), an upper chamber cover guide plate (1-4), a cavity (1-5), an ignition observation tube (1-9), an ignition liquid input tube (1-10), an ignition pool plate (1-11), an ignition needle (1-12), an oxygen delivery tube (1-13), an observation mirror (1-14) and a plurality of external connecting ports (1-7), the cavity (1-5) is vertically arranged, the upper chamber cover guide plate (1-4) is obliquely arranged on the upper part of the cavity (1-5), the upper end of the cavity (1-5) is detachably connected with the upper chamber cover connecting disc (1-2), a chamber cover heat-insulating layer is formed between the upper chamber cover guide plate (1-4) and the upper chamber cover connecting disc (1-2), a plurality of external connectors (1-7) are positioned on one side of the cavity (1-5), a cavity nozzle (1-1) is horizontally arranged on the other side of the cavity (1-5), a fuel mixer is arranged on the external connectors (1-7), an ignition observation tube (1-9) is obliquely arranged, one end of the ignition observation tube (1-9) is connected with one side of the cavity (1-5), an observation mirror (1-14) is arranged at the other end of the ignition observation tube (1-9), and an ignition pool plate (1-11) and an ignition needle (1-12) are arranged in the ignition observation tube (1-9);

the pressure and temperature stabilizing air chamber is an air box (3-1), a chamber nozzle (1-1), an ignition observation pipe (1-9), a cavity (1-5) and a fuel mixer are all arranged in the air box (3-1), the lower part of the air box (3-1) is provided with an air inlet, one end of an oxygen delivery pipe (1-13) is communicated with the other end of the ignition observation pipe (1-9), the other end of the oxygen delivery pipe (1-13) is communicated with the air box (3-1), and an ignition liquid input pipe (1-10) is communicated with the ignition observation pipe (1-9);

the fuel mixer comprises a mixing cavity (2-1), a mixing nozzle (2-3), a flange plate (2-5), a main air door (2-7), a water supply pipe (2-8), a fuel input pipe (2-9) and a plurality of first air guide plates (2-4), wherein the mixing cavity (2-1) is horizontally arranged in the cavity (1-5), the left half part of the mixing cavity (2-1) is positioned in the cavity (1-5), the right half part of the mixing cavity (2-1) is positioned outside the cavity (1-5), a plurality of fuel outlets (2-2) are processed at the bottom of the left half part of the mixing cavity (2-1), one end of the fuel input pipe (2-9) penetrates through the mixing cavity (2-1) and is communicated with the mixing cavity, the mixing nozzle (2-3) is arranged at one end of the fuel input pipe (2-9), the other end of the fuel input pipe (2-9) is connected with a water supply pipe (2-8), a plurality of first air guide plates (2-4) are arranged at an air inlet in the middle of the mixing cavity (2-1) along the circumferential direction, a main air door (2-7) is arranged at an air outlet of the mixing cavity (2-1), and the mixing cavity (2-1) is connected with an external connector (1-7) through a flange plate (2-5);

the air distribution device comprises a primary air distribution door (4-1), a primary air supply chamber (4-2), a secondary air distribution door (4-3), a secondary air supply chamber (4-4), a tertiary air distribution door (4-6), a tertiary air supply chamber (4-7) and a plurality of second air guide plates (4-5), the tail section of a chamber nozzle (1-1) is positioned outside an air box (3-1), the outer ring of the tail section of the chamber nozzle (1-1) is sequentially provided with the secondary air supply chamber (4-4) and the tertiary air supply chamber (4-7), the secondary air supply chamber (4-4) is communicated with the air box (3-1) through the secondary air distribution door (4-3), the tertiary air supply chamber (4-7) is communicated with the air box (3-1) through the tertiary air distribution door (4-6), the primary air supply chamber (4-2) is positioned inside the chamber nozzle (1-1), the primary air distribution door (4-1) is positioned in the air box (3-1) and is communicated with the primary air supply chamber (4-2), and a second air guide plate (4-5) is arranged in the secondary air supply chamber (4-4) along the circumferential direction of the secondary air supply chamber.

2. The binary vertical burner of claim 1, wherein: a plurality of first air guide plates (2-4) are arranged at the air outlet in the middle of the mixing cavity (2-1) along the circumferential direction of the mixing cavity.

3. The binary vertical burner of claim 1 or 2, wherein: a plurality of second air guide plates (4-5) are uniformly distributed in the secondary air supply chamber (4-4) along the circumferential direction.

4. The binary vertical burner of claim 3, wherein: the included angle between the upper cavity cover guide plate (1-4) and the horizontal direction is 5-20 degrees.

5. The binary vertical burner of claim 1, 2 or 4, wherein: the number of fuel mixers ranges from 2 to 12.

6. The binary vertical burner of claim 5, wherein: the upper cavity cover connecting disc (1-2) is hermetically connected with the upper end surface of the cavity (1-5) through a plurality of bolt assemblies (1-8).

7. The binary vertical burner of claim 1, 2, 4 or 6, wherein: the combustion cracking chamber also comprises a cavity heat-insulating layer (1-6), the cavity heat-insulating layer (1-6) is coated outside the cavity (1-5), and the cavity heat-insulating layer (1-6) is a high-temperature-resistant material heat-insulating layer.

8. The binary vertical burner of claim 7, wherein: the inner bottom surface of the cavity (1-5) is a conical surface, the middle of the inner bottom surface is high, and the inner bottom surface is gradually reduced from the middle to the edge.

9. The binary vertical burner of claim 1, 2, 4, 6 or 8, wherein: the inclination angle between the ignition observation tube (1-9) and the horizontal plane is 5-25 degrees.