CN110388642A - A kind of burner - Google Patents

A kind of burner Download PDF

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Publication number
CN110388642A
CN110388642A CN201810354167.6A CN201810354167A CN110388642A CN 110388642 A CN110388642 A CN 110388642A CN 201810354167 A CN201810354167 A CN 201810354167A CN 110388642 A CN110388642 A CN 110388642A
Authority
CN
China
Prior art keywords
heating furnace
burner
shell
air
rear end
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.)
Pending
Application number
CN201810354167.6A
Other languages
Chinese (zh)
Inventor
何力
朱进
雷宇
赵靓
杜德飞
王尧
杨海红
潘辉
胡金燕
江丽
周东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Petrochina Co Ltd
Original Assignee
Petrochina Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Petrochina Co Ltd filed Critical Petrochina Co Ltd
Priority to CN201810354167.6A priority Critical patent/CN110388642A/en
Publication of CN110388642A publication Critical patent/CN110388642A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N5/00Systems for controlling combustion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23QIGNITION; EXTINGUISHING-DEVICES
    • F23Q9/00Pilot flame igniters
    • F23Q9/02Pilot flame igniters without interlock with main fuel supply

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Regulation And Control Of Combustion (AREA)

Abstract

The invention discloses a combustor, and belongs to the field of combustion equipment. The burner includes: the rear end of the shell is communicated with the heating furnace, and the wall of the shell is provided with an air inlet; the back ends of the combustion assemblies and the normally open ignition pieces extend into the heating furnace; the combustion assembly is used for spraying fuel gas into the heating furnace, and an air overflowing gap is formed in the combustion assembly; the normally-open ignition piece is used for ignition and continuously sprays flame into the heating furnace; a fire barrier removably disposed at the rear end of the housing and through which the combustion assembly and the normally open ignition element pass; a temperature detector for detecting a temperature of the heating furnace; and the controller is electrically connected with the plurality of combustion assemblies and the temperature detectors, and controls the starting and stopping of each combustion assembly and the flow rate of the injected gas according to the temperature detected by the temperature detectors. The burner has wide power regulating range, can improve the heat efficiency of the heating furnace and has good energy-saving effect.

Description

A kind of burner
Technical field
The present invention relates to field of combustion equipment, in particular to a kind of burner.
Background technique
Burner is a kind of device mixed fuel and air in a certain way and spray burning, is widely used in oil gas In production and conveying.In its application, burner be heating furnace heat supply, then by heating furnace be oil product or heated by natural gas, To meet the normal operation of production of hydrocarbons and conveying.In order to reduce heating cost, the thermal efficiency for improving heating furnace is most important, and The thermal efficiency of heating furnace is influenced by burner rating, therefore it provides a kind of burner that can be improved thermal efficiency of heating furnace It is very necessary.
The prior art provides a kind of burner, as shown in Fig. 1, the burner include: shell 1, fuel assembly 2, with And controller and temperature detector (not shown).Wherein, the rear end of shell 1 is connected to heating furnace M, be oppositely arranged on wall there are two Air intlet 101, front end are provided with manual ignition hole.Fuel assembly 2 penetrates shell 1 by the front end of shell 1 and protrudes into heating furnace M It is interior, for spraying combustion gas into heating furnace M, it is provided with the air for admitting air on fuel assembly 2 and crosses ebb interval 2a.It is logical Manual fire hole is crossed to light the combustion gas that fuel assembly 2 sprays.The power regulating range of the burner is 50%~100%.
The inventor finds that the existing technology has at least the following problems:
Power regulating range using the burner of prior art offer is narrow, and poor for applicability, the thermal efficiency is low.
Summary of the invention
The embodiment of the invention provides a kind of burners, can solve above-mentioned technical problem.Specific technical solution is as follows:
The embodiment of the invention provides a kind of burner, the burner includes:
Rear end is connected to heating furnace, and the shell of an air intlet is provided on wall;
It is horizontally placed in the shell, and multiple fuel assemblies and Chang Ming igniting in the heating furnace are protruded into rear end Part;The fuel assembly is used for the heating furnace injection combustion gas, and is provided with air on the fuel assembly and is crossed ebb interval; The often bright igniter persistently jets out flames for lighting a fire into the heating furnace;
It is removable installed in the back-fire relief baffle of the rear end of the shell, and makes the fuel assembly and the often bright igniting Part passes through;
For detecting the temperature detector of furnace temp;
The controller connect with multiple fuel assemblies and the temperature detector electrical, the controller is according to institute State the gas flow that the temperature that temperature detector detects controls start and stop, the injection of each fuel assembly.
In a kind of possible design, the fuel assembly includes: gas nozzle, ejector pipe, the first valve body;
The front end of the gas nozzle is connected to by the first pipeline with extraneous fuel cartridge, and the ejector pipe is protruded into rear end It is interior, and form the air between the ejector pipe and cross ebb interval;
The rear end of the ejector pipe is protruded into the heating furnace;
First valve body is set on first pipeline between the gas nozzle and the fuel cartridge, and with institute State controller electrical connection.
In a kind of possible design, the ejector pipe includes: the rectification section, mixing section, expansion being sequentially connected to from front to back Press section;
The internal diameter of the rectification section is gradually reduced from front to back, and the gas nozzle protrudes into the rectification section;
The front internal diameter of the diffuser is gradually increased from front to back.
In a kind of possible design, the internal diameter of the diffuser rear end is gradually reduced from front to back.
In a kind of possible design, flame retardant bed is provided on the wall of the ejector pipe.
In a kind of possible design, the often bright igniter includes: combustion tube, electric ignition part, the second valve body;
The front end of the electric ignition part is connect by cable with extraneous power supply, and rear end is protruded into the combustion tube, and point is used for Fire;
The combustion tube is connected to the second pipeline of extraneous delivery of fuel gas and air Mixture, and second valve body is set to On second pipeline.
In a kind of possible design, the electric ignition part includes: conducting rod, ignition electric nozzle, control switch;
The front-end and back-end of the conducting rod are electrically connected with the cable, the ignition electric nozzle respectively, and the conducting rod is stretched Enter in the combustion tube, and the ignition electric nozzle is made to be located at the rear end of the combustion tube;
The control switch is set on the cable between the conducting rod and the power supply.
In a kind of possible design, second valve body is hand-operated valve.
In a kind of possible design, flame retardant bed is provided on the wall of the combustion tube and the electric ignition part.
In a kind of possible design, the burner further include: be set to the intracorporal air door of the shell;
The gas nozzle passes through the air door, and the air door is located at the front that the air crosses ebb interval.
In a kind of possible design, the burner further include: the flame detector being electrically connected with the controller And alarm;
The flame detector is set on the back-fire relief baffle, for detecting in the shell whether have flame;
The alarm is set to outside the shell;
When the flame detector detects flame, the controller controls the alarm equipment alarm.
In a kind of possible design, the front end of the shell is provided with operation port, can be opened and closed to cover in the operation port Equipped with operation door.
In a kind of possible design, it is relatively set with observation window respectively on the operation door and the back-fire relief baffle.
In a kind of possible design, manual ignition hole is provided on the back-fire relief baffle;The manual ignition Kong Shangke Folding ground lid is equipped with lighting door.
In a kind of possible design, the burner further include: back-fire relief part, the back-fire relief part are set to the shell At air intlet.
Technical solution provided in an embodiment of the present invention has the benefit that
Burner provided in an embodiment of the present invention, the temperature detected by controller according to temperature detector is come accurately Control the gas flow of each fuel assembly injection, that is, by the mating reaction between multiple fuel assemblies, widened the burning The power regulating range of device, to better adapt to each stage of heating furnace work.By the way that back-fire relief baffle is arranged, make air can only Ebb interval is crossed by the air on fuel assembly to enter in heating furnace, is optimum proportioning between air and combustion gas convenient for making, to improve The thermal efficiency of heating furnace.To sum up, the power regulating range of burner provided in an embodiment of the present invention is wide, the heat of heating furnace can be improved Efficiency, energy-saving effect are good.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is the top view for the burner that the prior art provides;
Fig. 2 is the top view of burner provided in an embodiment of the present invention;
Fig. 3 is the structural schematic diagram of fuel assembly provided in an embodiment of the present invention;
Fig. 4 is the structural schematic diagram of often bright igniter provided in an embodiment of the present invention;
Fig. 5 is provided in an embodiment of the present invention after operation door is opened, the left view of burner.
Appended drawing reference respectively indicates:
1- shell, 101- air intlet, 102- operate door,
2- fuel assembly, 201- gas nozzle, 202- ejector pipe, 2021- rectification section, 2022- mixing section, 2a- air mistake Ebb interval, 2023- diffuser, the first valve body of 203-,
The normal bright igniter of 3-, 301- combustion tube, 302- electric ignition part, 3021- conducting rod, 3022- ignition electric nozzle, 303- Two valve bodies,
4- back-fire relief baffle, 401- lighting door,
5- air door,
6- flame detector,
7- observation window,
8- back-fire relief part,
M- heating furnace.
Specific embodiment
Unless otherwise defined, all technical terms used in the embodiment of the present invention all have usual with those skilled in the art The identical meaning understood.Before embodiment of the present invention is described further in detail, to understanding the embodiment of the present invention Some terms provide definition.
In oil field development early period, heating furnace is needed to provide more heat, i.e. the thermic load of heating furnace is larger, and oil field is opened In the later period of hair, since the number of work oil well reduces, the thermic load of heating furnace reduces.And burner provided in an embodiment of the present invention Power can be adapted for different phase heating furnace thermic load variation.
The thermal efficiency of heating furnace refers to: the degree that energy is used effectively, that is, is heated fluid (such as oil product) absorption Efficient heat and the ratio between the total amount of heat released of fuel combustion.
The power regulating range of burner refers to: each burner completely burned, discharge flue gas in atmosphere pollution Object meets standard criterion requirement, stable burning does not occur being tempered and taking off the minimum output power of fire and maximum output thermal power is distinguished With the ratio range of the burner rated output thermal power.
In embodiments of the present invention, " front end " is apart from the farther away one end of heating furnace, and " rear end " is closer apart from heating furnace One end.
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.
The embodiment of the invention provides a kind of burners, and as shown in Fig. 2, which includes: shell 1, multiple burnings Component 2, often bright igniter 3, back-fire relief baffle 4 and temperature detector and controller (not shown).Wherein, temperature detector is used In the temperature of detection heating furnace M.The rear end of shell 1 is connected to heating furnace M, and an air intlet 101 is provided on wall.Multiple combustions It burns component 2 and Chang Ming igniter 3 is horizontally placed in shell 1, and rear end is protruded into heating furnace M.Fuel assembly 2 be used for Combustion gas is sprayed in heating furnace M, and is provided with air on fuel assembly 2 and is crossed ebb interval 2a.Normal bright igniter 3 is used to light a fire, and to It persistently jets out flames in heating furnace M.Back-fire relief baffle 4 is removable installed in the rear end of shell 1, and makes fuel assembly 2 and Chang Ming Igniter 3 passes through.Controller connects with multiple fuel assemblies 2, temperature detector electrical, and controller is detected according to temperature detector Temperature control each fuel assembly 2 start and stop, injection gas flow.
The power regulating range of burner provided in an embodiment of the present invention is wide, is applied in heating furnace M, can be improved and adds The thermal efficiency of hot stove M is below described burner provided in an embodiment of the present invention:
In use, often bright igniter 3 is lighted a fire for control, and persistently jet out flames into heating furnace M.It is controlled by controller Multiple fuel assemblies 2 spray combustion gas into heating furnace M, in the process, enter the air in shell 1, warp by air intlet 101 Ebb interval 2a is crossed by air to enter in fuel assembly 2, and is sprayed after combustion gas mixing, the flame ignition sprayed by normal bright igniter 3, Then it burns in heating furnace M.
Heating furnace M during heating, the temperature in temperature detector real-time detection heating furnace M, and temperature signal is sent out It send to controller, controller treatment temperature signal, the combustion gas stream of adjustment injection is then issued to one or more fuel assembly 2 Amount executes instruction, one or more fuel assembly 2 increases or reduce injection according to execution corresponding actions are executed instruction Gas flow.
Wherein, operator can set heating furnace in the temperature threshold in different thermic load stages, control by controller Device receives the temperature signal that temperature detector detects, and compared with the temperature threshold, further controls one or more combustion Component 2 is burnt to make increase or reduce the movement of fuel gas injection flow.
Since the power regulating range of each fuel assembly 2 all has certain range, and the power tune of entire burner Adjusting range is codetermined by the power regulating range of each fuel assembly 2.The lower limit value of the power regulating range of entire burner Are as follows: minimum rated power (that is: all burning groups for operating normally performance number and burner entirety of a burner assembly 2 The sum of the power-handling capability of part 2) ratio.The upper limit value of the power regulating range of entire burner are as follows: all fuel assemblies 2 Maximum operates normally the sum of performance number, the ratio with the rated power of burner entirety.
Heating furnace needs to carry out heat supply with the burner of its adaptive power in the different thermic load stages.And the prior art provides The power of burner only determine that power regulating range is narrow by a fuel assembly 2, heating furnace cannot be adapted to and opened in oil field The different thermic load stages during hair.
For example, in early field life, heating furnace has biggish thermic load, so needing high-power burner To heat stove heating.And the burner that the prior art provides cannot reach the high power value, it can not even if increasing gas flow Full combustion.And in burner provided in an embodiment of the present invention, the combustion gas stream of multiple fuel assemblies 2 can be increased by control Amount, that is, increase the power of multiple fuel assemblies 2, so as to realize the high power value of burner, and then is suitable for the heating in the stage Furnace.
In latter period of oilfield development, heating furnace has lesser thermic load, so needing the burner of low-power is heating furnace To heat.And the burner that the prior art provides cannot reach the low power value, in lower-wattage, combustion gas and air cannot fill Divided combustion.And in burner provided in an embodiment of the present invention, one or more fuel assembly 2 can be reduced by controller Gas flow, it might even be possible to close a part of fuel assembly 2, that is, reduce the power of one or more fuel assembly 2, with reality The low power value of existing burner, and then it is suitable for the heating furnace in the stage.
In the prior art, meet the thermic load of oil field development also by multiple burners and multiple heating furnaces is arranged. But there are thermal losses for multiple burners and multiple heating furnaces itself, reduce the thermal efficiency.In latter period of oilfield development, one is closed Partial combustion burner, there are burner and heating furnace leaves unused and wasting phenomenon, also adds the input cost of production.In the prior art In the burner of offer, fuel gas in fuel assembly 2, which is easy to cross ebb interval 2a by air, to be entered in shell 1, in air and point It under fire action, is easy to burn in shell 1, generates a large amount of flue gases, reduce the thermal efficiency.Also, in the burning that the prior art provides In device, needs to make air intlet 101 close to heating furnace M, damper is set at air intlet 101, it is also necessary to lengthen burning The length of component 2 just can guarantee that combustion gas and the air mass flow ratio in shell 1 are adapted, make the structure of shell 1 and fuel assembly 2 It is limited, bad adaptability.
And burner provided in an embodiment of the present invention has following effects: (1) by being removably disposed back-fire relief baffle 4 Keep the structure of shell 1 and fuel assembly 2 unrestricted, shell 1 and heating furnace M are divided into two chambers, makes air can only be by Air on fuel assembly 2 is crossed ebb interval 2a and is entered in heating furnace M, convenient for making between air and combustion gas to be optimum proportioning, to mention The thermal efficiency of high heating furnace.(2) prevent the flame in heating furnace M from spraying into shell 1 and burning out the components inside it.(3) it sets It sets back-fire relief baffle 4 also to play a supporting role to fuel assembly 2 and Chang Ming igniter 3, facilitate fuel assembly 2 and Chang Ming igniter 3 are set in shell 1.(4) by being removably disposed back-fire relief baffle 4, conducive to the dismounting of fuel assembly 2 and Chang Ming igniter 3.
It can be seen from the above, burner provided in an embodiment of the present invention, is detected by controller according to temperature detector Temperature accurately controls the gas flow that each fuel assembly 2 sprays, that is, by between multiple fuel assemblies 2 with cooperation With, widened the power regulating range of the burner, with better adapt to heating furnace M work each stage.It is hindered by setting Fiery baffle 4 makes air that can only cross ebb interval 2a by the air on fuel assembly 2 and enters in heating furnace M, convenient for making air and combustion gas Between be optimum proportioning, to improve the thermal efficiency of heating furnace.To sum up, the power regulation model of burner provided in an embodiment of the present invention The thermal efficiency wide, that heating furnace can be improved is enclosed, energy-saving effect is good.
In addition, also avoiding the burner that multiple prior arts are arranged and provide using burner provided in an embodiment of the present invention And heating furnace, the thermal efficiency is improved, production cost is reduced, avoids the idle and waste of burner and heating furnace.It is normal by being arranged Bright igniter 3 not only facilitates igniting, but also persistently jets out flames into heating furnace M, makes not opened by fuel assembly 2 in heating furnace M The influence for stopping gas shock ensure that the stability of burning.Also prevent the flame in heating furnace M from spraying by the way that back-fire relief baffle 4 is arranged Enter in shell 1 and burn out the components inside it, also, plays a supporting role to fuel assembly 2 and Chang Ming igniter 3, it is convenient Fuel assembly 2 and Chang Ming igniter 3 are set in shell 1.
Wherein, shackle member is provided on back-fire relief baffle 4, the rear end of shell 1 is provided with clamping groove, by being clamped shackle member In in clamping groove, realization back-fire relief baffle 4 is fixedly connected with shell 1.The structure of shackle member is not especially limited.
Back-fire relief baffle 4 can also realize the connection of itself and shell 1 by flange and bolt assembly.
It is provided with flame retardant bed in the plate face of 4 two sides of back-fire relief baffle, to prevent flame from burning out.
As an example, the specification of each fuel assembly 2 can be set to different, so that each fuel assembly 2 has There is different rated power, and then obtains the burner of wider power regulating range.
In embodiments of the present invention, there are many connection types between the rear end of shell 1 and heating furnace M, in order to facilitate two The rear end of dismounting between person, shell 1 can realize its connection between heating furnace M by flange and bolt assembly.
Controller can be programmable logic controller (PLC), can be realized internally stored program, execute logical operation, sequence control System, timing, count with the instruction such as arithmetical operation, and by number or analog pattern input/output control it is various types of mechanical or Production process.
Fuel assembly 2 can control its gas flow sprayed into heating furnace M by controller, also, in order to guarantee to fire Gas can full combustion, be additionally provided with air on fuel assembly 2 and cross ebb interval 2a.It can be realized the fuel assembly 2 of above-mentioned function It can be set to various structures, under the premise of simple based on structure, provide following example:
As shown in Fig. 3, fuel assembly 2 includes: gas nozzle 201, ejector pipe 202, the first valve body 203;Gas nozzle 201 front end by the first pipeline with the external world fuel cartridge be connected to, rear end is protruded into ejector pipe 202, and gas nozzle 201 with draw It penetrates formation air between pipe 202 and crosses ebb interval 2a;The rear end of ejector pipe 202 is protruded into heating furnace M;First valve body 203 is set to On the first pipeline between gas nozzle 201 and fuel gas conduit, and it is electrically connected with the controller.
Outside air is entered in shell 1 by the air intlet 101 of shell 1, and by gas nozzle 201 and ejector pipe 202 it Between the air that is formed cross ebb interval 2a and enter in ejector pipe 202, with the combustion gas that is sprayed by gas nozzle 201 in ejector pipe 202 Mixing, is then ejected in heating furnace M by ejector pipe 202, is burnt under the effect of igniting of normal bright igniter 3.Controller processing After the temperature signal for receiving temperature detector transmission, executed instruction to the transmission of the first valve body 203, the first valve body 203 is according to holding Row instruction adjustment opening size, and then have adjusted the gas flow of the injection of gas nozzle 201.
Wherein, ejector pipe 202 can be set to various structures, good in the effect based on air mixture and air, injection effect Under the premise of fruit is good, following example is provided:
As shown in Fig. 3, ejector pipe 202 includes: the rectification section 2021 being sequentially connected to from front to back, mixing section 2022, expands Press section 2023;The internal diameter of rectification section 2021 is gradually reduced from front to back, and gas nozzle 201 protrudes into rectification section 2021;Diffuser 2023 front internal diameter is gradually increased from front to back.
The internal diameter of rectification section 2021 is arranged such, has adjusted the flow direction of air, increases air and cross ebb interval 2a's Import, convenient for admitting air into ejector pipe 202.Mixing section 2022 and diffuser 2023 are set, convenient for air and combustion gas mixed It closing after being sufficiently mixed in section 2022, rapidly enters in diffuser 2023, flow velocity reduces in diffuser 2023, and air pressure increases, into And sprayed with suitable flow speed stability, to stablize burning under the effect of igniting.Stablize flame that is, being sprayed by diffuser 2023.
Further, stablize flame to spray diffuser 2023, guarantee the continuity of flame, 2023 rear end of diffuser The internal diameter in portion is gradually reduced from front to back.
In order to avoid ejector pipe 202 is burnt out by flame, in one possible implementation, set on the wall of ejector pipe 202 It is equipped with flame retardant bed.
It is understood that being provided with flame retardant bed on the inner wall of ejector pipe 202, outer wall and side wall.
Wherein, flame retardant bed is coated to obtain by inorganic fire proof material, and inorganic fire proof material can be SILICA FUME, silicon ash etc..
First valve body 203 is able to pass through the controller to control its opening size, such as it can be solenoid valve.Solenoid valve is Components known in the art, details are not described herein.
In embodiments of the present invention, often bright igniter 3 can not only light a fire, and also persistently spray into heating furnace M stable Flame, in order to which stablizing for combustion gas is burnt in heating furnace M.Normal bright igniter 3 can be set to various structures, based on structure letter It is single, under the premise of being easy setting and obtaining, provide following example:
As shown in Fig. 4, often bright igniter 3 includes: combustion tube 301, electric ignition part 302, the second valve body 303;Electric ignition The front end of part 302 is connect by cable with extraneous power supply, and rear end is protruded into combustion tube 301, for lighting a fire;Combustion tube 301 and outer Boundary's delivery of fuel gas is connected to the second pipeline of air Mixture, and the second valve body 303 is set on the second pipeline.
It is understood that the second valve body 303 is set on the second pipeline, for controlling combustion gas and the air of extraneous conveying Gaseous mixture enters the flow of combustion tube 301.
The second valve body 303 is opened, enters the gaseous mixture of combustion gas and air in combustion tube 301, at the same time, controls electric point Fiery part 302 is lighted a fire, and combustion tube 301 is made to jet out flames.Then control electric ignition part 302 stops igniting, makes opening for the second valve body 303 Degree size remains unchanged, and combustion tube 301 steadily jets out flames into heating furnace M.
Wherein, electric ignition part 302 can be set to various structures, for example, as shown in Fig. 4, electric ignition part 302 wraps It includes: conducting rod 3021, ignition electric nozzle 3022, control switch;The front-end and back-end of conducting rod 3021 respectively with cable, ignition electric nozzle 3022 electrical connections, conducting rod 3021 protrudes into combustion tube 301, and ignition electric nozzle 3022 is made to be located at the rear end of combustion tube 301;Control Switch is set on the cable between conducting rod 3021 and power supply.
It is electrically conducted by control switch control conducting rod 3021, ignition electric nozzle 3022, ignition electric nozzle 3022 is lighted a fire, and is passed through Control switch control conducting rod 3021, ignition electric nozzle 3022 electrically disconnect, then ignition electric nozzle 3022 stops igniting.Conducting rod is set 3021, convenient for realizing its electrically conducting with ignition electric nozzle 3022 in the environment of high temperature and pressure, it is also convenient for control ignition electric nozzle 3022 position in combustion tube 301.Ignition electric nozzle 3022 is set to be located at the rear end of combustion tube 301, convenient for spraying combustion tube 301 Flame avoids being tempered.
As an example, conducting rod 3021 includes: conducting wire, the porcelain cylinder being sleeved on conducting wire.The both ends of conducting wire respectively with Extraneous cable and ignition electric nozzle 3022 electrically conducts.Porcelain cylinder is made of the ceramic material of fire resisting, plays protection conducting wire and imparting The effect of 3021 mechanical strength of conducting rod.
Normal bright igniter 3 passes through the mixed gas of extraneous delivery of fuel gas and air, and Lai Shixian steadily jets out flames, and Gas shock when also not by 2 start and stop of fuel assembly ensure that the stability of heating furnace M operation.
Second valve body 303 can be hand-operated valve, facilitate operator manually control into combustion tube 301 combustion gas and air The flow of gaseous mixture.For example, the second valve body 303 can be reset valve, the structure that reset valve is well known to those skilled in the art, Details are not described herein.
In order to avoid normal bright igniter 3 is burned, wall and electric ignition part 302 (conducting rod 3021, igniting of combustion tube 301 Sparking plug 3022) wall on be provided with flame retardant bed.The elaboration of flame retardant bed can be found in, flame retardant bed in fuel assembly 2 is retouched It states.
Further, in order to guarantee that outside air can rapidly enter in fuel assembly 2, make combustion gas full combustion, it is such as attached Shown in Fig. 2, burner provided in an embodiment of the present invention further include: the air door 5 being set in shell 1;Gas nozzle 201 passes through wind Door 5, and air door 5 is located at the front that air crosses ebb interval 2a.
By the way that air door 5 is arranged, at it under the metering function of back-fire relief baffle 4, change the flowing side for entering air in shell 1 To enabling air to be rapidly introduced into air and cross in ebb interval 2a, keep air mass flow adaptivity good, ensure that combustion gas and air Proportion in optimum range, enable combustion gas full combustion.
After there is flame in shell 1, be easy by with fuel assembly 2, the cable that often bright igniter 3 etc. is electrically connected and Other components are burnt, in order to solve this problem, in one possible implementation, and as shown in Fig. 2, the embodiment of the present invention The burner of offer further include: the flame detector 6 and alarm being electrically connected with the controller;Flame detector 6 is set to resistance On fiery baffle 4, for detecting in shell 1 whether have flame;Alarm is set to outside shell 1;When flame detector 6 detects fire When flame, controller controls alarm equipment alarm.
Whether there is flame in 6 real-time detection shell 1 of flame detector, when detecting flame, flame detector 6 be will acquire Flare up fire processing after, be sent to controller as electronic signals, controller receives the electric signal and handles, when determining shell When there is flame in body 1, controller is executed instruction to alarm sending, and alarm reception executes instruction and executes actuation of an alarm.
Flame detector 6 includes: flame probe and signal processor.Flame probe believes flame for detecting flame Number it is sent to signal processor, signal processor handles the flare up fire for electric signal, is then sent to controller.
Alarm can be voice guard, remind operator by making a sound alarm.
In order to facilitate the first valve body 203 and the second valve body 303 controlled on multiple fuel assemblies 2 and Chang Ming igniter 3, and Environmental attack is avoided, as shown in Fig. 2, the front end of shell 1 is provided with operation port, and the lid that can be opened and closed in operation port is equipped with operation door 102。
It should be noted that since multiple fuel assemblies 2 and Chang Ming igniter 3 are horizontally placed in shell 1, so, The first valve body 203, the second valve body 303 on multiple fuel assemblies 2 and Chang Ming igniter 3 are respectively positioned in shell 1.Also, it is used for The first pipeline, the second pipeline, the cable etc. that connect with fuel assembly 2, normal bright igniter 3 both pass through the side wall of shell 1, avoid shadow Ring the setting of operation door 102.
Opening operation door 102 facilitates operator to control the first valve body 203, Chang Mingdian on the fuel assembly 2 in shell 1 The second valve body 303 and other components on fiery part 3.Shutoff operation door 102 avoids the environment such as extraneous rain, water, wind and invades Erosion.
Wherein, it operates there are many openable and closable set-up modes of door 102, in one possible implementation: operation door 102 One side edge and operation port edge wall it is hinged.
By making to operate door 102 around itself and the rotation of 1 hinged place of shell, the folding of operation door 102 is realized.
Hinged set-up mode is simple, easy to accomplish to operate the retractable of door 102.
After shutoff operation door 102, operation door 102 automatically opens under gas pressure in shell 1, provides following Several examples:
As the first example: it is provided with locking member on operation door 102, is provided with clamping groove on the wall at operation port edge, By being caught in locking member in clamping groove, securely close operation door 102.
The specific structure of locking member and clamping groove is not construed as limiting, can be realized satisfaction clamping.
As second of example: being provided with the first magnetosphere on operation door 102, be provided with second on the wall at operation port edge Magnetosphere realizes that operation door 102 securely closes by keeping the first magnetosphere and the second magnetosphere attracting.
Wherein, the first magnetosphere can be magnet layer, and the second magnetosphere can be the metal materials such as iron, nickel, cobalt.
Door 102 is operated for the ease of control, operates and is provided with handle on door 102.
Member observes the flame status in heating furnace M for ease of operation, operates opposite respectively on door 102 and back-fire relief baffle 4 It is provided with observation window 7, referring to attached drawing 5.
So set, it is convenient outside burner, through the sight on the observation window 7 and back-fire relief baffle 4 on operation door 102 Window 7 is examined to observe the flame status in heating furnace M.
Wherein, observation window 7 is made by using fireproof glass, not only facilitates observation, additionally it is possible to bear 800 DEG C~1000 DEG C High temperature.
When normal bright igniter 3 breaks down and is unable to smooth ignition, in order to guarantee the normal use of burner, back-fire relief gear Manual ignition hole is provided on plate 4;As shown in Fig. 5, it can be opened and closed lid on manual ignition hole equipped with lighting door 401.
After operation door 102 is opened, lighting door 401 is opened, the part (such as point guncotton) that makes to ignite is by manual ignition hole Combustion gas and air gas mixture that often bright igniter 3 sprays are lighted, and then make Chang Ming in the rear end for stretching to normal bright igniter 3 Igniter 3 steadily jets out flames.
Ebb interval 2a is crossed by the air of fuel assembly 2 in order to avoid the flame in heating furnace M to be ejected in shell 1, and by The air intlet 101 of shell 1 is ejected to the external world, causes fire, in one possible implementation, as shown in Fig. 2, this hair The burner that bright embodiment provides further include: back-fire relief part 8, back-fire relief part 8 are set at the air intlet 101 of shell 1.
Wherein, back-fire relief part 8 can be set to block compatible with air intlet 101.It is provided on the fire arrester multiple The thin channel that both ends are connected to shell 1 and air intlet 101 respectively.When flame passes through thin channel, it will be reduced to Ignition point hereinafter, prevent outside propagation of flame to shell 1 in turn.For the internal diameter of thin channel can according to concrete application scene come Setting, is not specifically limited herein.
Application example of the burner provided in an embodiment of the present invention in oil field is given below:
By burner application provided in an embodiment of the present invention when 017-H13 well, the average thermal efficiency of heating furnace M is 81.34%, than use the prior art provide burner when the average thermal efficiency increase 11.67%.The smoke evacuation temperature of heating furnace M Degree be 162.78 DEG C, than use the prior art provide burner when exhaust gas temperature reduce 26.07 DEG C.Burner and heating Furnace M consumption gas quantity than use the prior art provide burner when reduce 1.11Nm3/h。
To sum up, burner provided in an embodiment of the present invention can be improved the thermal efficiency of heating furnace M, reduce exhaust gas temperature and combustion Gas consumption, is applied in oil field, reduces production cost.
The foregoing is merely presently preferred embodiments of the present invention, the protection scope being not intended to limit the invention, all in this hair Within bright spirit and principle, any modification, equivalent replacement, improvement and so on should be included in protection scope of the present invention Within.

Claims (15)

1. a kind of burner, which is characterized in that the burner includes:
Rear end is connected to heating furnace (M), and the shell (1) an of air intlet (101) is provided on wall;
It is horizontally placed in the shell (1), and multiple fuel assemblies (2) in the heating furnace (M) and normal are protruded into rear end Bright igniter (3);The fuel assembly (2) is used to spray combustion gas into the heating furnace (M), and on the fuel assembly (2) It is provided with air and crosses ebb interval (2a);The often bright igniter (3) persistently sprays for lighting a fire into the heating furnace (M) Flame;
Be removable installed in the back-fire relief baffle (4) of the rear end of the shell (1), and make the fuel assembly (2) and it is described often Bright igniter (3) passes through;
For detecting the temperature detector of heating furnace (M) temperature;
The controller connect with multiple fuel assemblies (2) and the temperature detector electrical, the controller is according to The temperature that temperature detector detects controls the gas flow of the start and stop of each fuel assembly (2), injection.
2. burner according to claim 1, which is characterized in that the fuel assembly (2) include: gas nozzle (201), Ejector pipe (202), the first valve body (203);
The front end of the gas nozzle (201) is connected to by the first pipeline with extraneous fuel cartridge, and the ejector pipe is protruded into rear end (202) in, and the air is formed between the ejector pipe (202) and crosses ebb interval (2a);
The rear end of the ejector pipe (202) is protruded into the heating furnace (M);
First valve body (203) is set on first pipeline between the gas nozzle (201) and the fuel cartridge, And it is electrically connected with the controller.
3. burner according to claim 2, which is characterized in that the ejector pipe (202) includes: sequentially to connect from front to back Logical rectification section (2021), mixing section (2022), diffuser (2023);
The internal diameter of the rectification section (2021) is gradually reduced from front to back, and the gas nozzle (201) protrudes into the rectification section (2021) in;
The front internal diameter of the diffuser (2023) is gradually increased from front to back.
4. burner according to claim 3, which is characterized in that the internal diameter of diffuser (2023) rear end by it is preceding extremely After be gradually reduced.
5. burner according to claim 2, which is characterized in that be provided with flame retardant bed on the wall of the ejector pipe (202).
6. burner according to claim 2, which is characterized in that it is described often bright igniter (3) include: combustion tube (301), Electric ignition part (302), the second valve body (303);
The front end of the electric ignition part (302) is connect by cable with extraneous power supply, and rear end is protruded into the combustion tube (301), For lighting a fire;
The combustion tube (301) is connected to the second pipeline of extraneous delivery of fuel gas and air Mixture, second valve body (303) It is set on second pipeline.
7. burner according to claim 6, which is characterized in that the electric ignition part (302) includes: conducting rod (3021), ignition electric nozzle (3022), control switch;
The front-end and back-end of the conducting rod (3021) are electrically connected with the cable, the ignition electric nozzle (3022) respectively, described Conducting rod (3021) protrudes into the combustion tube (301), and the ignition electric nozzle (3022) is made to be located at the combustion tube (301) Rear end;
The control switch is set on the cable between the conducting rod (3021) and the power supply.
8. burner according to claim 6, which is characterized in that second valve body (303) is hand-operated valve.
9. burner according to claim 6, which is characterized in that the combustion tube (301) and the electric ignition part (302) Wall on be provided with flame retardant bed.
10. burner according to claim 2, which is characterized in that the burner further include: be set to the shell (1) air door (5) in;
The gas nozzle (201) passes through the air door (5), and the air door (5) is located at the air and crosses ebb interval (2a) Front.
11. burner according to claim 1, which is characterized in that the burner further include: electric with the controller The flame detector (6) and alarm of connection;
The flame detector (6) is set on the back-fire relief baffle (4), for detecting in the shell (1) whether have flame;
The alarm is set to the shell (1) outside;
When the flame detector (6) detects flame, the controller controls the alarm equipment alarm.
12. burner according to claim 1, which is characterized in that the front end of the shell (1) is provided with operation port, institute The lid that can be opened and closed in operation port is stated equipped with operation door (102).
13. burner according to claim 12, which is characterized in that the operation door (102) and the back-fire relief baffle (4) It is upper to be relatively set with observation window (7) respectively.
14. burner according to claim 1, which is characterized in that be provided with manual ignition on the back-fire relief baffle (4) Hole;Lid can be opened and closed on the manual ignition hole equipped with lighting door (401).
15. described in any item burners according to claim 1~14, which is characterized in that the burner further include: back-fire relief part (8), the back-fire relief part (8) is set at the air intlet (101) of the shell (1).
CN201810354167.6A 2018-04-19 2018-04-19 A kind of burner Pending CN110388642A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022017178A1 (en) * 2020-07-24 2022-01-27 项强力 Novel spray gun

Citations (6)

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Publication number Priority date Publication date Assignee Title
DE4208611A1 (en) * 1992-03-18 1993-09-30 Ruhrgas Ag Atmospheric gas burner assembly - has shaft-form housing conducting air current and contg. at least one gas nozzle with a downstream conically widened mixt. tube
CN201277545Y (en) * 2008-08-05 2009-07-22 北京百恒达石油技术有限公司 Automatic regulation negative pressure combustor
CN102951616A (en) * 2012-11-21 2013-03-06 中国寰球工程公司辽宁分公司 Cracking furnace for waste acid
CN203980280U (en) * 2014-07-07 2014-12-03 洛阳瑞昌石油化工设备有限公司 A kind of low NO xflue gas is from return flow burner
CN105402731A (en) * 2015-12-31 2016-03-16 天津泰丰兴业科技有限公司 Novel energy-saving environment-friendly combustor
CN206222308U (en) * 2016-11-11 2017-06-06 江苏弗雷姆环境科技有限公司 The ultralow indole energy spiral combustion head of industrial combustion gas and burner

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4208611A1 (en) * 1992-03-18 1993-09-30 Ruhrgas Ag Atmospheric gas burner assembly - has shaft-form housing conducting air current and contg. at least one gas nozzle with a downstream conically widened mixt. tube
CN201277545Y (en) * 2008-08-05 2009-07-22 北京百恒达石油技术有限公司 Automatic regulation negative pressure combustor
CN102951616A (en) * 2012-11-21 2013-03-06 中国寰球工程公司辽宁分公司 Cracking furnace for waste acid
CN203980280U (en) * 2014-07-07 2014-12-03 洛阳瑞昌石油化工设备有限公司 A kind of low NO xflue gas is from return flow burner
CN105402731A (en) * 2015-12-31 2016-03-16 天津泰丰兴业科技有限公司 Novel energy-saving environment-friendly combustor
CN206222308U (en) * 2016-11-11 2017-06-06 江苏弗雷姆环境科技有限公司 The ultralow indole energy spiral combustion head of industrial combustion gas and burner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022017178A1 (en) * 2020-07-24 2022-01-27 项强力 Novel spray gun

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