CN111609412B - Boiler auxiliary combustion structure - Google Patents
Boiler auxiliary combustion structure Download PDFInfo
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- CN111609412B CN111609412B CN202010387045.4A CN202010387045A CN111609412B CN 111609412 B CN111609412 B CN 111609412B CN 202010387045 A CN202010387045 A CN 202010387045A CN 111609412 B CN111609412 B CN 111609412B
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- Prior art keywords
- furnace body
- oil gun
- shell
- boiler
- auxiliary combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/003—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for used articles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
- F23D11/101—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting before the burner outlet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/12—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating using gaseous or liquid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
- F23N1/022—Regulating fuel supply conjointly with air supply using electronic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/20—Systems for controlling combustion with a time programme acting through electrical means, e.g. using time-delay relays
- F23N5/203—Systems for controlling combustion with a time programme acting through electrical means, e.g. using time-delay relays using electronic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
Abstract
The invention discloses an auxiliary combustion structure of a boiler, and aims to overcome the defects that a combustion-supporting oil gun serving as combustion-supporting equipment cannot be isolated from the boiler when combustion is not required, the oil gun is always positioned in a hearth and is influenced by high temperature, and the service life of the oil gun is shortened. The invention comprises a furnace body and a burner arranged on the outer wall of the furnace body, wherein the burner comprises a shell and an atomized oil gun arranged in the shell, the front end of the atomized oil gun can move between the furnace body and the shell, the rear end of the atomized oil gun extends to the outside of the shell, the rear end of the atomized oil gun is provided with a fuel interface and a compressed air interface, the front part of the shell, which is close to the furnace body, is provided with a liftable clapboard, and the clapboard can be inserted into the shell to separate the inner cavity of the shell from the inner cavity of the furnace body. The combustion-supporting oil gun of the boiler auxiliary combustion structure is arranged on a boiler, and is isolated from the interior of a hearth when combustion is not required, so that the oil gun is prevented from being influenced by the high temperature of the hearth and the service life of the oil gun is shortened.
Description
Technical Field
The present invention relates to a boiler, and more particularly, to an auxiliary combustion structure of a boiler.
Background
Ignition oil guns and combustion-supporting oil guns of coal-fired power generation boilers, refuse burning boilers and oil-fired boilers generally adopt mechanical pressure type atomized oil guns and Y-shaped smoke mechanical atomized oil guns. The atomization mechanism of the mechanical atomization oil gun mainly utilizes high oil pressure to impact in a rotational flow atomization sheet and rotate until an outlet and air are sheared to atomize, the viscous force of oil is overcome, the structure is simple, the use and the operation are convenient, but the atomization effect is poor, the atomization energy consumption is high, the distribution is uneven, particularly, the atomization effect is reduced when the oil pressure is reduced, the fuel consumption is high, the structural characteristics are improved, the outlet aperture is small (about 3.5m in general), coking and blockage easily occur, the phenomenon of black smoke emission of a cold furnace is caused, the smoke emission is not up to standard, the difficulty of ignition of a combustor is caused in serious conditions, and the normal production is influenced. The oil gun of the traditional combustion device is mainly fixedly installed, and particularly when the oil gun is used as combustion-supporting equipment, the oil gun cannot be effectively isolated from a boiler when combustion is not required, so that the oil gun is still in a hearth and is influenced by high temperature, and the service life of the oil gun is shortened.
Disclosure of Invention
The invention overcomes the defects that a combustion-supporting oil gun is used as combustion-supporting equipment, cannot be isolated from a boiler when combustion is not needed, is always positioned in a hearth and is influenced by high temperature, and the service life of the oil gun is shortened.
In order to solve the technical problem, the invention adopts the following technical scheme: the utility model provides a boiler auxiliary combustion structure, includes the furnace body, installs the combustor on the furnace body outer wall, the combustor includes the casing, install the atomizing oil gun in the casing, atomizing oil gun front end can remove between furnace body and casing, the atomizing oil gun rear end extends to the casing outside, atomizing oil gun rear end is equipped with fuel interface and compressed air interface, the casing front portion is close to the baffle of furnace body position installation liftable, the baffle can insert and make casing inner chamber and furnace body inner chamber keep apart in the casing.
The combustor is installed on the outer wall of the furnace body, when auxiliary combustion is needed to be carried out in the furnace body, the partition plate is upwards lifted, the atomized oil gun is pushed forwards, the front portion of the atomized oil gun is placed in a furnace chamber in the furnace body, the inner cavity of the shell is communicated with the inner cavity of the furnace body, fuel oil is input from the fuel oil interface, high-pressure air is input from the compressed air connector, the compressed air is injected into low-pressure oil and mixed in a mixing cavity to form bubble flow of oil-in-oil gas, the generation, operation and deformation of bubbles are utilized, the atomization effect is achieved by expanding and cracking of a steam pocket through pressure difference formed in the front portion of the atomized oil gun, the tension on the surface of the fuel oil is destroyed, the atomization effect is good, the energy consumption is low, and the fuel oil is fully combusted. And finally, igniting at the front end of the atomized oil gun to perform auxiliary combustion in the furnace body. When the auxiliary combustion is not needed to be carried out in the furnace body, the atomized oil gun is returned backwards, the front part of the atomized oil gun is retracted into the shell, then the partition plate is inserted into the shell downwards, the inner cavity of the shell is isolated from the inner cavity of the furnace body, the atomized oil gun is isolated from the inside of the furnace body at the moment, and the atomized oil gun is effectively protected. The combustion-supporting oil gun of the boiler auxiliary combustion structure is arranged on a boiler, and is isolated from the interior of a hearth when combustion is not required, so that the oil gun is prevented from being influenced by the high temperature of the hearth and the service life of the oil gun is shortened.
Preferably, a push rod for driving the atomizing oil gun to move is installed in the shell, the front end of the push rod is connected with the atomizing oil gun, and the rear end of the push rod extends out of the shell. The push rod moves back and forth to drive the atomized oil gun to move, and the pushing is stable and reliable.
Preferably, the outer wall of the shell is provided with an electric propeller for driving the push rod to move. The arrangement of the electric propeller is convenient for the push rod to move.
Preferably, a communicating opening is formed in the connecting position of the furnace body and the combustor, a flame guide sleeve is installed on the edge of the connecting opening in the inner wall of the furnace body, and the radial direction in the flame guide sleeve is gradually increased in the direction close to the center of the furnace body. The flame guide sleeve can stabilize combustion flame and ensure the flame spraying direction.
Preferably, an igniter and a flame detector are mounted in the housing near the front end of the atomizing oil gun. The igniter is convenient for igniting the atomized fuel oil, and the flame detector is convenient for detecting the combustion condition.
Preferably, the atomizing oil gun comprises a protective sleeve, a vent pipe, a gun head and an atomizing joint, wherein the protective sleeve is tightly connected with the shell, the vent pipe is sleeved in the protective sleeve, the vent pipe is sleeved in the vent pipe, the atomizing joint is connected between the front end of the vent pipe and the front end of the vent pipe, the gun head is tightly connected to the outer wall of the front end of the vent pipe, the outer wall of the protective sleeve is tightly connected with a locking screw, the locking screw abuts against the outer wall of the vent pipe, the vent pipe is communicated with the fuel interface, and the vent pipe is communicated with the compressed air interface. The protective sleeve plays a good role in protection, fuel oil and high-pressure air are mixed at the position of the atomizing joint and then atomized in the gun head, and the atomizing effect is good.
Preferably, the shell is provided with a combustion-supporting air inlet, and the front part of the atomizing gun head is connected with the cyclone plate. The combustion-supporting air inlet provides oxygen required by combustion for fuel oil, and the swirl plate enables airflow to generate rotary jet flow to participate in oil mist combustion, so that the fuel oil can be more sufficiently combusted and simultaneously forms jet flame.
Preferably, the fuel oil interface position and the compressed air interface position are both provided with electromagnetic valves, the upper part in the furnace body is provided with a separation plate, the middle position of the upper part of the furnace body is provided with a smoke exhaust channel, a push plate is arranged in the smoke exhaust channel, the upper end of the push plate can rotate left and right to be suspended in the smoke exhaust channel, the lower end of the push plate is arranged close to the upper end of the separation plate, and the smoke exhaust channel is divided into a left channel and a right channel by the push plate; the left side and the right side of a pushing plate on the smoke exhaust channel are respectively provided with a slidable guide rod, the furnace body and the guide rods are correspondingly provided with a sliding sleeve and a press switch, the sliding sleeve and the guide rods are sleeved together, the guide rods are sleeved with positioning springs, the positioning springs are arranged in the sliding sleeves, the two ends of the guide rods extend out of the sliding sleeves, one end of each guide rod is close to the press switch, the end part of each guide rod can be pressed onto the press switch, and the other end of each guide rod is attached to the surface of the pushing plate; a plurality of combustors are all installed to the furnace body left and right sides, and the left press switch of furnace body is used for the solenoid valve of control installation on the combustor of furnace body left side, and the press switch on furnace body right side is used for the solenoid valve of control installation on the combustor of furnace body right side.
In the combustion process of fuel in the furnace body, the phenomenon of uneven combustion exists in the spaces at the left side and the right side of the partition plate. When auxiliary combustion is needed to be carried out in the furnace body, the partition plate is lifted upwards, the atomized oil gun is pushed forwards, the front part of the atomized oil gun is placed in a hearth in the furnace body, and the inner cavity of the shell is communicated with the inner cavity of the furnace body. When the cavity on the left side of the isolation plate in the furnace body is more vigorous than the cavity on the right side of the isolation plate, smoke generated by combustion impacts the pushing plate to deflect towards the right side, at the moment, the guide rod on the right side is pushed outwards, the end part of the guide rod touches the press switch, so that the electromagnetic valve on the combustor on the right side of the furnace body is started to be conducted, fuel oil is input through the fuel oil interface, high-pressure air is input from the compressed air joint, the compressed air is injected into low-pressure oil, and atomized fuel oil is injected into the furnace body to perform auxiliary combustion; at the moment, the burner on the left side of the furnace body does not work. When the cavity on the right side of the isolation plate in the furnace body is more vigorous than the cavity on the left side of the isolation plate, smoke generated by combustion impacts the pushing plate to deflect towards the left side, at the moment, the guide rod on the left side is pushed outwards, the end part of the guide rod touches the press switch, so that the electromagnetic valve on the combustor on the left side of the furnace body is started to be conducted, fuel oil is input through the fuel oil interface, high-pressure air is input from the compressed air joint, the compressed air is injected into low-pressure oil, and atomized fuel oil is injected into the furnace body to perform auxiliary combustion; at the moment, the burner on the right side of the furnace body does not work. The left side and the right side of the isolation plate in the furnace body can be uniformly combusted through the structure, and the combustion efficiency is improved.
Preferably, an electric cylinder is installed on the outer wall of the shell, and an electric cylinder telescopic rod is connected with the partition plate. The partition board is driven to lift and move by the electric cylinder, and the operation is convenient and reliable.
Preferably, the guide rod is provided with a mounting hole close to the end of the press switch, a slidable buffer column is mounted in the mounting hole, a buffer spring is mounted between the buffer column and the bottom surface of the mounting hole, the guide rod extends out of the buffer column, and the buffer column is arranged towards the press switch. After the buffer column is abutted to the press switch, a certain buffer distance is provided, and the guide rod is prevented from being clamped and blocked.
Compared with the prior art, the invention has the beneficial effects that: (1) the combustion-supporting oil gun of the boiler auxiliary combustion structure is arranged on the boiler, and is isolated from the interior of the hearth when combustion supporting is not needed, so that the oil gun is prevented from being influenced by the high temperature of the hearth to shorten the service life; (2) the left and right sides of division board in the furnace body can the even combustion, improves combustion efficiency.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the burner of the present invention;
FIG. 3 is a schematic end view of the burner of the present invention;
FIG. 4 is an enlarged partial schematic view of FIG. 1 of the present invention;
in the figure: 1. the burner comprises a burner body, 2, a burner, 3, a shell, 4, an atomizing oil gun, 5, a fuel interface, 6, a compressed air interface, 7, a partition plate, 8, a push rod, 9, an electric propeller, 10, a communication port, 11, a flame guide sleeve, 12, an igniter, 13, a flame detector, 14, a protective sleeve, 15, a vent pipe, 16, a fuel pipe, 17, a gun head, 18, an atomizing joint, 19, a locking screw, 20, a combustion-supporting air inlet, 21, a swirl plate, 22, an electromagnetic valve, 23, a partition plate, 24, a smoke exhaust channel, 25, a push plate, 26, a left channel, 27, a right channel, 28, a guide rod, 29, a sliding sleeve, 30, a positioning spring, 31, an electric cylinder, 32, a mounting hole, 33, a buffer column, 34, a buffer spring, 35 and a press switch.
Detailed Description
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example (b): the utility model provides a boiler auxiliary combustion structure (see figure 1 to figure 4), including furnace body 1, install combustor 2 on the furnace body outer wall, the combustor includes casing 3, install atomizing oil gun 4 in the casing, atomizing oil gun front end can remove between furnace body and casing, atomizing oil gun rear end extends to the casing outside, atomizing oil gun rear end is equipped with fuel interface 5 and compressed air interface 6, the casing front portion is close to furnace body position installation liftable baffle 7, the baffle can insert and make casing inner chamber and furnace body inner chamber keep apart in the casing.
The push rod 8 used for driving the atomized oil gun to move is arranged in the shell, the front end of the push rod is connected with the atomized oil gun, and the rear end of the push rod extends out of the shell. The rear end position on the outer wall of the shell is provided with a positioning sleeve, and the push rod penetrates through the positioning sleeve. An electric propeller 9 for driving the push rod to move is arranged on the outer wall of the shell. The electric propeller comprises a motor, a threaded sleeve and a mounting seat, the mounting seat is fixedly connected with the positioning sleeve, the threaded sleeve is rotatably mounted on the mounting seat, the motor is mounted on the mounting seat, an output shaft of the motor is in transmission connection with the threaded sleeve, and the threaded sleeve is in threaded connection with the outer wall of the push rod. The motor works to drive the threaded sleeve to rotate on the mounting seat, so that the push rod is driven to move forwards and backwards.
The connecting position of the furnace body and the combustor is provided with a communicating opening 10, the edge of the upper connecting opening on the inner wall of the furnace body is provided with a flame guide sleeve 11, and the radial direction in the flame guide sleeve is gradually increased close to the center direction of the furnace body. An igniter 12 and a flame detector 13 are arranged in the shell close to the front end of the atomizing oil gun.
Atomizing oil gun includes protective sheath 14, breather pipe 15, logical oil pipe 16, rifle head 17, atomizing joint 18, the protective sheath is connected with the casing fastening, the breather pipe suit is in the protective sheath, the logical oil pipe suit is in the breather pipe, atomizing joint connection is between breather pipe front end and logical oil pipe front end, rifle head fastening connection is on breather pipe front end outer wall, fastening connection locking screw 19 on the protective sheath outer wall, the locking screw butt is on the breather pipe outer wall, logical oil pipe and fuel interface intercommunication, breather pipe and compressed air interface intercommunication. The shell is provided with a combustion-supporting air inlet 20, and the front part of the atomizing gun head is connected with a rotational flow plate 21.
The electromagnetic valve 22 is installed in the fuel oil interface position and the compressed air interface position, the isolation plate 23 is installed in the upper portion of the furnace body, the smoke exhaust channel 24 is arranged in the middle of the upper portion of the furnace body, the push plate 25 is installed in the smoke exhaust channel, the upper end of the push plate can rotate left and right to be suspended in the smoke exhaust channel, the hanging frame is arranged above the push plate in the smoke exhaust channel, and the upper end of the push plate is hinged to the middle of the hanging frame. The pushing plate and the isolation plate are both vertically arranged.
The lower end of the pushing plate is arranged close to the upper end of the isolation plate, and the pushing plate divides the smoke exhaust channel into a left channel 26 and a right channel 27; slidable guide rods 28 are installed on the left side and the right side of a pushing plate on the smoke exhaust channel and are horizontally arranged, a sliding sleeve 29 and a press switch 35 are correspondingly arranged on the furnace body and the guide rods, a support is correspondingly arranged on the furnace body and the guide rods, and the sliding sleeve and the press switch are installed on the support. The button of the press switch has elasticity, can reset after loosening, the sliding sleeve is sheathed with the guide rod together, the positioning spring 30 is sheathed on the guide rod, the positioning spring is arranged in the sliding sleeve, the outer wall of the guide rod is provided with a convex ring, the convex ring is butted between one end of the sliding sleeve and the positioning spring, the other end of the sliding sleeve is connected with the cover plate, and the positioning spring is butted between the cover plate and the convex ring. Two ends of the guide rod extend out of the sliding sleeve, one end of the guide rod is arranged close to the press switch, the end part of the guide rod can be pressed onto the press switch, and the other end of the guide rod is attached to the surface of the pushing plate; a plurality of combustors are all installed to the furnace body left and right sides, and the left press switch of furnace body is used for the solenoid valve of control installation on the combustor of furnace body left side, and the press switch on furnace body right side is used for the solenoid valve of control installation on the combustor of furnace body right side. An electric cylinder 31 is installed on the outer wall of the shell, and an electric cylinder telescopic rod is connected with the partition plate. Be close to the press switch end on the guide arm and be equipped with mounting hole 32, installation slidable buffer post 33 in the mounting hole, installation buffer spring 34 between buffer post and the mounting hole bottom surface, buffer post extend the guide arm, and buffer post sets up towards press switch.
In the combustion process of fuel in the furnace body, the phenomenon of uneven combustion exists in the spaces at the left side and the right side of the partition plate. When auxiliary combustion is needed to be carried out in the furnace body, the partition plate is lifted upwards, the atomized oil gun is pushed forwards, the front part of the atomized oil gun is placed in a hearth in the furnace body, and the inner cavity of the shell is communicated with the inner cavity of the furnace body. When the cavity on the left side of the isolation plate in the furnace body is more vigorous than the cavity on the right side of the isolation plate, smoke generated by combustion impacts the pushing plate to deflect towards the right side, at the moment, the guide rod on the right side is pushed outwards, the end part of the guide rod touches the press switch, so that the electromagnetic valve on the combustor on the right side of the furnace body is started to be conducted, fuel oil is input through the fuel oil interface, high-pressure air is input from the compressed air joint, the compressed air is injected into low-pressure oil, and atomized fuel oil is injected into the furnace body to perform auxiliary combustion; at the moment, the burner on the left side of the furnace body does not work. When the cavity on the right side of the isolation plate in the furnace body is more vigorous than the cavity on the left side of the isolation plate, smoke generated by combustion impacts the pushing plate to deflect towards the left side, at the moment, the guide rod on the left side is pushed outwards, the end part of the guide rod touches the press switch, so that the electromagnetic valve on the combustor on the left side of the furnace body is started to be conducted, fuel oil is input through the fuel oil interface, high-pressure air is input from the compressed air joint, the compressed air is injected into low-pressure oil, and atomized fuel oil is injected into the furnace body to perform auxiliary combustion; at the moment, the burner on the right side of the furnace body does not work. The left side and the right side of the isolation plate in the furnace body can be uniformly combusted through the structure, and the combustion efficiency is improved.
The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the appended claims.
Claims (9)
1. A boiler auxiliary combustion structure comprises a furnace body and a burner arranged on the outer wall of the furnace body, wherein the burner comprises a shell and an atomized oil gun arranged in the shell, and is characterized in that the front end of the atomized oil gun can move between the furnace body and the shell, the rear end of the atomized oil gun extends to the outside of the shell, the rear end of the atomized oil gun is provided with a fuel interface and a compressed air interface, a liftable partition plate is arranged at the front part of the shell, close to the furnace body, and the partition plate can be inserted into the shell to isolate the inner cavity of the shell from the inner cavity of the furnace body; the fuel oil interface position and the compressed air interface position are both provided with electromagnetic valves, the upper part in the furnace body is provided with a separation plate, the middle position of the upper part of the furnace body is provided with a smoke exhaust channel, the smoke exhaust channel is internally provided with a push plate, the upper end of the push plate can rotate left and right to be suspended in the smoke exhaust channel, the lower end of the push plate is arranged close to the upper end of the separation plate, and the push plate divides the smoke exhaust channel into a left channel and a right channel; the left side and the right side of a pushing plate on the smoke exhaust channel are respectively provided with a slidable guide rod, the furnace body and the guide rods are correspondingly provided with a sliding sleeve and a press switch, the sliding sleeve and the guide rods are sleeved together, the guide rods are sleeved with positioning springs, the positioning springs are arranged in the sliding sleeves, the two ends of the guide rods extend out of the sliding sleeves, one end of each guide rod is close to the press switch, the end part of each guide rod can be pressed onto the press switch, and the other end of each guide rod is attached to the surface of the pushing plate; a plurality of combustors are all installed to the furnace body left and right sides, and the left press switch of furnace body is used for the solenoid valve of control installation on the combustor of furnace body left side, and the press switch on furnace body right side is used for the solenoid valve of control installation on the combustor of furnace body right side.
2. The auxiliary combustion structure for the boiler as claimed in claim 1, wherein a push rod for driving the atomized oil gun to move is installed in the housing, a front end of the push rod is connected to the atomized oil gun, and a rear end of the push rod extends out of the housing.
3. The auxiliary combustion structure of a boiler as claimed in claim 2, wherein the outer wall of the casing is provided with an electric propeller for driving the push rod to move.
4. The auxiliary combustion structure for a boiler as claimed in claim 1, wherein the furnace body is provided with a communication port at a position connected with the burner, a flame guide sleeve is installed at an edge of the connection port on the inner wall of the furnace body, and the inner diameter of the flame guide sleeve is gradually increased toward the center of the furnace body.
5. The auxiliary combustion structure for a boiler as claimed in claim 1, wherein an igniter and a flame detector are installed in the casing near a front end of the atomizing oil gun.
6. The boiler auxiliary combustion structure according to claim 1, wherein the atomizing oil gun comprises a protective sleeve, a vent pipe, an oil pipe, a gun head and an atomizing joint, the protective sleeve is tightly connected with the casing, the vent pipe is sleeved in the protective sleeve, the oil pipe is sleeved in the vent pipe, the atomizing joint is connected between the front end of the vent pipe and the front end of the oil pipe, the gun head is tightly connected to the outer wall of the front end of the vent pipe, the outer wall of the protective sleeve is tightly connected with a locking screw, the locking screw abuts against the outer wall of the vent pipe, the oil pipe is communicated with the fuel port, and the vent pipe is communicated with the compressed air port.
7. The auxiliary combustion structure of a boiler as claimed in claim 1, wherein the housing is provided with a combustion-supporting air inlet, and the front part of the atomizing gun head is connected with a cyclone plate.
8. The auxiliary combustion structure for the boiler as claimed in claim 1, wherein the electric cylinder is installed on the outer wall of the casing, and the expansion rod of the electric cylinder is connected with the partition plate.
9. The auxiliary combustion structure for a boiler as claimed in claim 1, wherein the guide rod has a mounting hole near the end of the push switch, a buffer post slidably mounted in the mounting hole, a buffer spring mounted between the buffer post and the bottom of the mounting hole, the buffer post extending out of the guide rod, the buffer post being disposed toward the push switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010387045.4A CN111609412B (en) | 2020-05-09 | 2020-05-09 | Boiler auxiliary combustion structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010387045.4A CN111609412B (en) | 2020-05-09 | 2020-05-09 | Boiler auxiliary combustion structure |
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| Publication Number | Publication Date |
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| CN111609412A CN111609412A (en) | 2020-09-01 |
| CN111609412B true CN111609412B (en) | 2022-06-24 |
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| CN202010387045.4A Active CN111609412B (en) | 2020-05-09 | 2020-05-09 | Boiler auxiliary combustion structure |
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