CN109323256A - A kind of high vanadium titanium furnace charge rotary kiln burner - Google Patents
A kind of high vanadium titanium furnace charge rotary kiln burner Download PDFInfo
- Publication number
- CN109323256A CN109323256A CN201811165173.3A CN201811165173A CN109323256A CN 109323256 A CN109323256 A CN 109323256A CN 201811165173 A CN201811165173 A CN 201811165173A CN 109323256 A CN109323256 A CN 109323256A
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- CN
- China
- Prior art keywords
- air duct
- rotary kiln
- head
- furnace charge
- vanadium titanium
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/70—Baffles or like flow-disturbing devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Abstract
The present invention discloses a kind of high vanadium titanium furnace charge rotary kiln burner, including the first air duct set gradually from the inside to the outside, fuel channel, second air duct, third air duct, first air duct, fuel channel, second air duct and third air duct is successively set with and head flushes, the end of each pipeline successively stretches out in the adjacent pipe end that its outside is set with, and the end of each pipeline and the outer peripheral surface of its adjacent pipeline in inside are tightly connected, the application provides a kind of high vanadium titanium furnace charge rotary kiln burner, the full combustion of fuel gas in fuel can be sufficiently promoted, efficiently use coal gas of converter, energy utilization rate is high, and flame holding is good.
Description
Technical field
The present invention relates to burner, in particular to a kind of high vanadium titanium furnace charge rotary kiln burner.
Background technique
Currently, rotary kiln generally uses the gas burner of binary channels and triple channel with gas burner, combustion situation is not
User's production requirement can be met well.Gaseous fuel and combustion air cannot be sufficiently mixed and burned by burner, the combustion of fuel
Low efficiency is burnt, user can only use pure gas fuel, not become the flame profile and heat force intensity of requirement, binary channels or three
That there is also structures is simple for channel gas burner, and burning velocity is slow, and flame diverging is powerless, and the fuel gas in coal gas of converter can not
Active combustion causes that energy utilization rate is low, calorific value is low containing a large amount of not sufficiently combusted carbon monoxide in combustion tail gas, can not
Meet the rotary kiln sintered energy-saving and environment-friendly requirement of vanadium titanium steel factory.
Summary of the invention
In view of this, the application provides a kind of high vanadium titanium furnace charge rotary kiln burner, can sufficiently promote flammable in fuel
The full combustion of gas efficiently uses coal gas of converter, and energy utilization rate is high, and flame holding is good.
In order to solve the above technical problems, technical solution provided by the invention is in view of this, the application provides a kind of high vanadium
Titanium furnace charge rotary kiln burner, including the first air duct, fuel channel, the second air duct, the third air duct set gradually from the inside to the outside,
First air duct, fuel channel, the second air duct and third air duct are successively set with and head flushes, and the end of each pipeline is successively
The adjacent pipe end that its outside is set with is stretched out in, and the end of each pipeline and the outer peripheral surface of pipeline adjacent on the inside of it are equal
It is tightly connected.
Preferably, first air duct is provided with the first conical section close to the one end on head, and first conical section is close
The diameter of the one end on head is greater than the diameter of the one end of the first conical section far from head, and the head of first conical section is provided with
Central distribution device.
Preferably, the central distribution device includes with one heart and the first cover board and the second cover board that are rotatably connected described the
The centre bore that can be overlapped one by one is distributed on one cover board and second cover board, the first cover board fixing seal is mounted on
The head in the first air duct, the center point of second cover board are fixedly connected with rotation adjusting lever, and the rotation adjusting lever is along institute
Radially extending for the first air duct is stated, end is stretched out in the end in the first air duct, and the end of the rotation adjusting lever is provided with hand
Dynamic regulating mechanism.
Preferably, the fuel channel includes the first fuel channel and the second fuel channel set gradually from the inside to the outside,
First fuel channel and the second fuel channel are provided with the second conical section, second conical section in one end close to head
Diameter close to the one end on head is greater than the diameter of one end far from head.
Preferably, the cone angle of the second conical section inner peripheral surface is 2-5 °.
Preferably, second air duct is provided with cyclone close to the one end on head, and the third air duct is close to head
One end is provided with axial diversion plate, offers axially disposed hole on the axial diversion plate.
Preferably, third air duct periphery is cast with corundum flame retardant coating.
Preferably, it is respectively arranged with the first air port and the second air port on the third air duct and second air duct, first
Air port is sealedly connected with the first branch pipe, and the second air port is sealedly connected with the second branch pipe, first branch pipe and second branch pipe
It is parallel with combustion-supporting air duct, the combustion-supporting air duct is connected to first air duct by compensating pipe.
Preferably, the first FlexbleJoint is provided on first branch pipe；The second wave is provided on the third air duct
Line compensator, second FlexbleJoint are provided with third on the fuel channel between the first air port and the second air port
FlexbleJoint.
Preferably, it is additionally provided with pressure sensor in the third air duct, it is described for detecting the wind pressure in the first air duct
Pressure sensor is connected with control system.
Compared with prior art, detailed description are as follows by the application:
This application discloses a kind of high vanadium titanium furnace charge rotary kiln burners, including the first wind set gradually from the inside to the outside
Road, the second air duct, third air duct each lead into combustion-supporting gas, and the combustion-supporting gas that the first air duct is sent out is located at center can be with fuel
Gas be sufficiently mixed effectively it is combustion-supporting, improve the efficiency of combustion of fuel, the second air duct and third air duct are wrapped in outside fuel gas, no
The efficiency of combustion that fuel gas only can be improved can also improve the stability of flame.
First conical section of the head setting in the first air duct can reduce the flow velocity of combustion-supporting gas, and equal from center distributor
Even distribution is sent out.
Centre bore on the first cover board and the second cover board of central distribution device corresponds, and the second cover board can be along itself
Center of circle rotation adjusts the first air duct and sends out by changing the area of the centre bore intersection on the first cover board and the second cover board
Combustion-supporting gas air quantity.When fuel gas is not enough, the area of centre bore intersection can be increased, improve the
The air quantity for the combustion-supporting gas that one air duct is sent out can also reduce the area of centre bore intersection, reduce what the first air duct was sent out
The air quantity of combustion-supporting gas saves the usage amount of combustion-supporting gas.
First air duct is for spraying combustion-supporting gas；Fuel channel is helped for spraying fuel gas, the second air duct for spraying
Combustion gas body, makes combustion-supporting gas form the helical form jet-stream wind for being wrapped in fuel gas periphery, and propellant simultaneously promotes fuel to fire
It burns, third air duct is used to form the radial spray air-flow for being wrapped in helical form jet-stream wind periphery, pushes away for spraying combustion-supporting gas
Into fuel and promote fuel combustion.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram on the head of burner disclosed by the invention；
Fig. 3 is the enlarged drawing in Fig. 1 at A.
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to make those skilled in the art more fully understand technical solution of the present invention
Applying example, the present invention is described in further detail.
As shown in Figure 1 to Figure 2, a kind of high vanadium titanium furnace charge rotary kiln burner, including set gradually from the inside to the outside first
Air duct (1), fuel channel, the second air duct (3), third air duct (4), the first air duct (1) is for spraying combustion-supporting gas；Fuel channel
For spraying fuel gas, the second air duct (3) make combustion-supporting gas formation be wrapped in fuel gas periphery for spraying combustion-supporting gas
Helical form jet-stream wind, propellant simultaneously promotes fuel combustion, and third air duct (4) are used to form for spraying combustion-supporting gas
It is wrapped in the radial spray air-flow of helical form jet-stream wind periphery, propellant simultaneously promotes fuel combustion.
First air duct (1), fuel channel, the second air duct (3) and third air duct (4) are successively set with, and each pipeline is used
It is flushed in the head for ejecting air-flow, the end of each pipeline successively stretches out in the adjacent pipe end that its outside is set with, tool
Body, the end of second air duct (3) is stretched out outside third air duct (4) end, and the end of fuel channel is stretched out in institute
It states outside the second air duct (3) end, the end of each pipeline outside the fuel channel end is stretched out in the end of the first air duct (1)
The outer peripheral surface of adjacent pipeline is tightly connected with its inside.
Wherein:
The head of first air duct (1) is provided with the first conical section, and first conical section is close to the straight of head side
Diameter is greater than the diameter that the first conical section leans on proximal end side.The head of first conical section is provided with central distribution device (11).
The central distribution device (11) includes the first cover board (111) and the second cover board (112) with one heart and being rotatably connected,
The centre bore (113) that can be overlapped one by one is distributed on first cover board (111) and second cover board (112), it is described
First cover board (111) fixing seal is mounted on the head of the first air duct (1), and the center point of second cover board (112) is fixed to be connected
It is connected to rotation adjusting lever (114), rotation adjusting lever (114) the radially extending along the first air duct (1), end is stretched
Out in the end of the first air duct (1), the end of the rotation adjusting lever (114) is provided with manual adjustment means (115), adjusts manually
Section mechanism (115) includes a pair for being set to the external screw thread and first air duct end suit of rotation adjusting lever (114) end
Nut, two nuts are mutually compressed and are matched with the external screw thread, when rotating two nuts, rotation adjusting lever (114) and spiral shell
Mother is rotated with identical angular speed, the face of centre bore (113) intersection on the first cover board (111) and the second cover board (112)
Product changes, the air quantity of the combustion-supporting gas for adjusting the first air duct (1) submitting.
The flow velocity for the combustion-supporting gas that first air duct (1) is passed through is 50-60m3/ min, wind pressure 30-35kPa.Combustion-supporting gas
Body flow velocity at the first conical section reduces, and uniform diffusion profile is passed through from from centre bore (113), is formed and is located at Central Fuel
Combustion air current.
The centre wind cover board includes the first cover board (111) and the second cover board (112) with one heart and being rotatably connected, described
It is distributed with centre bore (113) on first cover board (111) and second cover board (112), the fixed peace of first cover board (111)
Mounted in nozzle end, second cover board (112) is fixedly connected with rotation adjusting lever (114), the rotation adjusting lever (114)
The other end stretches out the other end in nozzle, and the end of the rotation adjusting lever (114) is provided with screw thread, the nozzle tail portion suit
There is a nut, the nut matches and relatively fixed with the screw thread.
The fuel channel includes the first fuel channel (21) and the second fuel channel (22) set gradually from the inside to the outside,
First fuel channel (21) and the second fuel channel (22) are being provided with the second conical section close to head side, and described second
Conical section is greater than the diameter of the second conical section principle head side close to the diameter of head one end.The inner circumferential of second conical section
The cone angle in face is 2-5 °.First fuel channel (21) is for being passed through the first fuel gas, for spraying upon initiation；Described first
Fuel gas is based on component, including 1 part of coke-stove gas, 2.5-3.2 parts of coal gas of converter；The first fuel gas wind pressure is 6-
10kPa.Second fuel channel (22) for being passed through the second fuel gas, second fuel gas based on component, including
1 part of coke-stove gas, 3-4 parts of coal gas of converter；The first fuel gas wind pressure is 8-12kPa.
Spray gun disclosed in the present application, in igniting, the first fuel channel (21) is passed through coke-stove gas content higher the
One fuel gas includes mainly hydrogen, methane in coke-stove gas, and carbon monoxide content is lower, and calorific value is relatively high, in igniting
For igniting；The coal gas of converter content that second fuel channel (22) is passed through higher second fuel gas includes in coal gas of converter
There is a large amount of carbon monoxide, calorific value is relatively low, is the toxic gas recycled in pneumatic steelmaking, fills by mixing with coke-stove gas
Divide using the combustible characteristic of carbon monoxide in coal gas of converter, recycles coal gas of converter and simultaneously pass through the first air duct (1), the second wind
Road (3) and third air duct (4) are mixed into combustion-supporting gas and guarantee that carbon monoxide full combustion is carbon dioxide.
The head of second air duct (3) is provided with cyclone (31), and the cyclone (31) is for making the second air duct (3)
In gas formed helical airflow.The flow velocity of the combustion-supporting gas is 55-65m in second air duct (3)3/ min, wind pressure
For 33-40kPa.The flow velocity for the combustion-supporting gas that second air duct (3) is sent out is greater than the combustion-supporting gas that the first air duct (1) is sent out, therefore,
The gas that second air duct (3) is sent out forms wind pressure, wraps the combustion-supporting gas of the first air duct (1) submitting, and the second air duct (3) are sent out
Helical airflow the first fuel gas and the second fuel gas can be made to form helical form package air-flow, promote the first fuel gas
Body and the conveying of the second fuel gas, at the same the first air duct (1) combustion-supporting gas for sending out in the wind pressure of helical airflow with first
Fuel gas and the second fuel gas are sufficiently mixed, and make the first fuel gas and the second fuel gas full combustion.
The third air duct (4) is provided with axial diversion plate (41) far from one end of the feeding pipe, and the axial direction is led
Flowing plate offers axially disposed hole on (41).The axial diversion plate (41) is used to make the gas shape in third air duct (4)
The air-flow radially sprayed, the air-flow is for making air import further combustion-supporting second fuel gas.In the third air duct (4)
The flow velocity for the combustion-supporting gas being passed through is 60-65m3/ min, wind pressure 35-40kPa.
Third air duct (4) periphery is cast with corundum flame retardant coating (5).
The first air port (43) and the second air port are respectively arranged on the third air duct (4) and second air duct (3)
(32), the first air port (43) are sealedly connected with the first branch pipe (44), and the second air port (32) are sealedly connected with the second branch pipe (33), institute
It states the first branch pipe (44) and second branch pipe (33) is parallel with combustion-supporting air duct (6), the combustion-supporting air duct (6) passes through compensation pipe
(61) it is connected to first air duct (1).
The first FlexbleJoint (45) are provided on first branch pipe (44)；Is provided on the third air duct (4)
Two FlexbleJoints (46), second FlexbleJoint (46) are described between the first air port (43) and the second air port (32)
Third FlexbleJoint (23) are provided between second combustion-supporting air port and main road gas entry.
Pressure sensor (47) are additionally provided in the third air duct (4), for detecting the wind pressure in the first air duct (1),
The filters pressing sensor is connected with control system (6), the control system (6) according to the pressure value of detection and the first air duct (1),
The initial pressure value of fuel channel, the second air duct (3) and third air duct (4) infers to obtain the gas pressure value in each channel.
The above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
Limitation of the invention, protection scope of the present invention should be defined by the scope defined by the claims..For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
It also should be regarded as protection scope of the present invention into retouching.
Claims (10)
1. a kind of high vanadium titanium furnace charge rotary kiln burner, which is characterized in that including the first air duct set gradually from the inside to the outside
(1), fuel channel, the second air duct (3), third air duct (4), first air duct (1), fuel channel, the second air duct (3) and
Three air ducts (4) are successively set with and head flushes, and the end of each pipeline successively stretches out in the adjacent pipeline end that its outside is set with
End, and the end of each pipeline and outer peripheral surface of adjacent pipeline is tightly connected on the inside of it, first air duct (1), second
Air duct (3) is respectively used to be passed through the combustion-supporting gas that pressure is different, flow velocity is different with third air duct (4), and fuel channel is for being passed through
Fuel gas.
2. a kind of high vanadium titanium furnace charge rotary kiln burner according to claim 1, which is characterized in that first air duct
(1) one end close to head is provided with the first conical section, and the diameter of the one end of first conical section close to head is greater than first
The diameter of the one end of conical section far from head, the head of first conical section are provided with central distribution device (11).
3. a kind of high vanadium titanium furnace charge rotary kiln burner according to claim 2, which is characterized in that the central distribution device
It (11) include the first cover board (111) and the second cover board (112) with one heart and being rotatably connected, first cover board (111) and institute
State the centre bore (113) for being distributed with and being overlapped on the second cover board (112) one by one, the first cover board (111) fixing seal
It is mounted on the head of the first air duct (1), the center point of second cover board (112) is fixedly connected with rotation adjusting lever (114), institute
Rotation adjusting lever (114) radially extending along the first air duct (1) is stated, end is stretched out in the end of the first air duct (1),
The end of the rotation adjusting lever (114) is provided with manual adjustment means (115).
4. a kind of high vanadium titanium furnace charge rotary kiln burner according to claim 1, which is characterized in that the fuel channel packet
Include the first fuel channel (21) and the second fuel channel (22) set gradually from the inside to the outside, first fuel channel (21) and
Second fuel channel (22) is provided with the second conical section, the one end of second conical section close to head in one end close to head
Diameter be greater than far from head one end diameter.
5. a kind of high vanadium titanium furnace charge rotary kiln burner according to claim 4, which is characterized in that second conical section
The cone angle of inner peripheral surface is 2-5 °.
6. a kind of high vanadium titanium furnace charge rotary kiln burner according to claim 1, which is characterized in that second air duct
(3) one end close to head is provided with cyclone (31), and the third air duct (4) is provided with axial diversion close to the one end on head
Plate (41) offers axially disposed hole (42) on the axial diversion plate (41).
7. a kind of high vanadium titanium furnace charge rotary kiln burner according to claim 1, which is characterized in that the third air duct
(4) periphery is cast with corundum flame retardant coating (5).
8. a kind of high vanadium titanium furnace charge rotary kiln burner according to claim 1, which is characterized in that the third air duct
(4) and on second air duct (3) it is respectively arranged with the first air port (43) and the second air port (32), the first air port (43) sealing connects
It is connected to the first branch pipe (44), the second air port (32) are sealedly connected with the second branch pipe (33), first branch pipe (44) and described
Two branch pipes (33) are parallel with combustion-supporting air duct (6), and the combustion-supporting air duct (6) is connected to first air duct by compensation pipe (61)
(1)。
9. a kind of high vanadium titanium furnace charge rotary kiln burner according to claim 8, which is characterized in that first branch pipe
(44) the first FlexbleJoint (45) are provided on；It is provided with the second FlexbleJoint (46) on the third air duct (4), it is described
Second FlexbleJoint (46) is provided with third wave between the first air port (43) and the second air port (32) on the fuel channel
Line compensator (23).
10. a kind of high vanadium titanium furnace charge rotary kiln burner according to claim 1, which is characterized in that the third air duct
(4) pressure sensor (47) are additionally provided in, for detecting the wind pressure in the first air duct (1), the pressure sensor (47) is even
It is connected to control system (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811165173.3A CN109323256A (en) | 2018-09-30 | 2018-09-30 | A kind of high vanadium titanium furnace charge rotary kiln burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811165173.3A CN109323256A (en) | 2018-09-30 | 2018-09-30 | A kind of high vanadium titanium furnace charge rotary kiln burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109323256A true CN109323256A (en) | 2019-02-12 |
Family
ID=65266704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811165173.3A Pending CN109323256A (en) | 2018-09-30 | 2018-09-30 | A kind of high vanadium titanium furnace charge rotary kiln burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109323256A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010053453A (en) * | 1998-12-10 | 2001-06-25 | 에릭 오펠스트럽 매드센 | Burner |
| CN1945118A (en) * | 2006-09-20 | 2007-04-11 | 小霍华德·C·奥利弗 | Fuel jet device |
| CN102213422A (en) * | 2011-04-21 | 2011-10-12 | 扬州市银焰机械厂 | Multi-channel mixed gas burner |
| CN203464279U (en) * | 2013-08-09 | 2014-03-05 | 襄阳中和机电技术有限公司 | Low-nitrogen-oxide calcium carbide furnace gas burner |
-
2018
- 2018-09-30 CN CN201811165173.3A patent/CN109323256A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010053453A (en) * | 1998-12-10 | 2001-06-25 | 에릭 오펠스트럽 매드센 | Burner |
| CN1945118A (en) * | 2006-09-20 | 2007-04-11 | 小霍华德·C·奥利弗 | Fuel jet device |
| CN102213422A (en) * | 2011-04-21 | 2011-10-12 | 扬州市银焰机械厂 | Multi-channel mixed gas burner |
| CN203464279U (en) * | 2013-08-09 | 2014-03-05 | 襄阳中和机电技术有限公司 | Low-nitrogen-oxide calcium carbide furnace gas burner |
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Application publication date: 20190212 |
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| RJ01 | Rejection of invention patent application after publication |