CN202470057U - Low-heat-value gas fuel combustion device - Google Patents
Low-heat-value gas fuel combustion device Download PDFInfo
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- CN202470057U CN202470057U CN2012200394527U CN201220039452U CN202470057U CN 202470057 U CN202470057 U CN 202470057U CN 2012200394527 U CN2012200394527 U CN 2012200394527U CN 201220039452 U CN201220039452 U CN 201220039452U CN 202470057 U CN202470057 U CN 202470057U
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- burner
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- calorific value
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Abstract
The utility model relates to a combustion device, and in particular relates to a low-heat-value gas fuel combustion device. The low-heat-value gas fuel combustion device is provided with a control box, a power mechanism and a combustor body which are connected with one another into a whole, wherein the control box with a controller is arranged at the tail of the combustion device and connected with the power mechanism; a combustion-supporting fan of the power mechanism is connected with the combustor body positioned on the front part of the combustion device; a motor is connected to a combustion-supporting fan shell; an anti-tempering device of the combustor body is arranged at a gas inlet; an ignition gun is arranged at the center of the combustion device and positioned in an ignitron; the ignitron and a swirler are positioned in a gas distribution tube; a mixing adjustment ring is arranged on a shell of the combustor body; and a high-temperature combustion stabilization body is arranged at a flame spraying port of the combustor body.. The device can combust low-heat-value gas fuel safely and fully, has a simple structure and is high in economy.
Description
Technical field
The utility model relates to a kind of burner, particularly relates to a kind of low calorific value gas fuel (blast furnace gas, coke-stove gas, biological system gas, producer gas, biogas, coal bed gas etc.) burner.
Background technology
Low calorific value gas fuel is present in life widely, produce among, blast furnace gas, coke-stove gas are as the byproduct of steel-making and coking, biological system gas, biogas are the trans-utilizations of life waste material.Biomass energy is meant the energy that utilizes natural plant, ight soil and town and country debirs to change into.Biomass energy is a kind of regenerative resource, is that plant is changed solar energy into energy that chemical energy is stored in living beings inside through photosynthesis.With coal facies relatively, biomass fuel has that C, N, S, Cl content are low, O content is high, volatile content is high, calorific value is low, is prone to catch fire, burning generates CO
2, characteristic such as SOx, fuel type NOx be low.The CO that firing biomass fuel discharged
2Can, plant be absorbed when carrying out photosynthesis, if suitably utilize biomass energy then can constitute the CO of a sealing
2Circulation, therefore in the long run, burning-used biologic mass fuel can be realized CO
2Clean discharging is zero.Utilize biomass energy to meet the requirement that realizes sustainable development; Many countries have strengthened biomass energy research and development dynamics; China implemented " People's Republic of China's regenerative resource method " in 2006; Pioneer field China biomass resource amount that national science and technology development and development for hi-tech industry are classified in the scientific and technical research and the industrialized development of regenerative resources such as biomass energy as is huge; The waste material of China's agricultural generation in 2010 is roughly equal to 12 * 1015 kJ, is equivalent to 4109 * 108 t standard coals.
Biological energy source is in utilizing process at present, and a large amount of is processed gas earlier and after-combustion.The main combustible component of biological system gas is CO, CH
4, H
2, low heat value 800-1000Kcal/M
3, composition changes greatly in gas-making process, and therefore biological system gas is difficult for smooth combustion.Wherein CO has severe toxicity, H
2The burning concentration scope is wide, causes tempering easily.
Up to now, be fuel with the biological energy source, its device that directly burns is not seen that also report is arranged.
Summary of the invention
The goal of the invention of the utility model is the defective to prior art, and exploitation provides a kind of simple in structure, good economy performance, can be good at low calorific value gas fuel gas safety, clean-burning low calorific value gas fuel (biological system gas) burner.
Realize that above-mentioned purpose adopts following technical scheme: a kind of low calorific value gas fuel burner, comprise controller, actuating unit, burner body, controller places in the control cabinet; Control cabinet, actuating unit, burner body connect as one; The afterbody that the described control cabinet that controller is housed is arranged on burner is connected with actuating unit, and described actuating unit is made up of motor, combustion fan, is arranged on the middle part of burner; This combustion fan burner body anterior with being positioned at burner links to each other; Motor is connected on the combustion air casing, and described burner body mainly is made up of fireproof tempering device, burning torch, gas distribution pipe, cyclone, mixing adjustable ring high temperature combustion stabilizing body, and fireproof tempering device is arranged on the fuel gas inlet place; The center that burning torch is arranged on burner is positioned at ignitron; Ignitron, cyclone are positioned at gas distribution pipe, mix adjustable ring and are arranged on the housing of burner body, and the flame ejiction opening place of burner body is provided with the high temperature combustion stabilizing body.
As preferred version; Described controller mainly is made up of combustion controller, first, second PID adjusting apparatus, the compound adjuster of burning, and combustion controller is connected with first, second PID adjusting apparatus, combustion fan, blast detector, isolating high-pressure ignitor, combustion gas high-voltage detector, combustion gas low-voltage detector, external security interlocking gear, valve leak detector, gas safety cut-off valve line respectively.
As preferred version, a described PID adjusting apparatus is connected with volume damper, gas control valve, the compound adjuster of burning, and volume damper is connected with the combustion fan line, and combustion fan is connected with the blast detector; The 2nd PID adjusting apparatus is connected with furnace pressure table, frequency converter line, and frequency converter is connected with air-introduced machine.
As preferred version, described combustion air casing is provided with air intake adjusting device.
As preferred version, described burning torch head is provided with dish shape porous flame holder.
As preferred version; Described gas distribution pipe is arranged on the below of burner body fuel gas inlet, and the exit of this gas distribution pipe is outside by the center, and ignitron, cyclone are set respectively; What this ignitron adopted is the antipriming pipe structure, and what cyclone adopted is blade or porous type structure.
As preferred version, described mixing adjustable ring is arranged on the outside of the outside cyclone of gas distribution pipe, with the housing flexible connection of burner body.
As preferred version, described high temperature combustion stabilizing body is arranged on the ejiction opening inboard of burner body, and its thickness is greater than 30mm.
Adopt technique scheme, the utility model is low calorific value gas fuel (biological system gas) safety, fully burning, the comprehensive burning feature of all gases component, designing and calculating fuel gas pipeline, air distribution pipeline and its body that burns; In a certain position of burner, formation temperature gradient and recirculating zone are implemented in the biological trouble-free burning of making gas in this zone, small structure is set at the fuel gas inlet place of burner simultaneously prevents that tempering from simple in structure, good economy performance taking place.
Description of drawings
Fig. 1 is the overall structure sketch map of the utility model.
Fig. 2 is the syndeton sketch map of the utility model controller.
Fig. 3 is the service chart of the utility model.
Among the figure, control cabinet 1, combustion fan 2, motor 3, fireproof tempering device 4; Burning torch 5, gas distribution pipe 6, flame holder 7, cyclone 8 mixes adjustable ring 9; Ignitron 10, high temperature combustion stabilizing body 11, safety cut-off valve 12, fuel gas inlet 13, air intake self-checking device 14.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further description.
Present embodiment is a kind of low calorific value gas fuel (biological system gas) burner; This low calorific value gas fuel (biological system gas) burner is made up of the control cabinet that controller is housed 1, actuating unit and burner body; Its structure is seen Fig. 1; Control cabinet, actuating unit, burner body connect as one, and the afterbody that the control cabinet that controller is housed is arranged on burner is connected with actuating unit.Its major function is: purging, post purge before realization is lighted a fire, move functions such as full-time fire is examined, general mood is chain, automatic sequence is lighted a fire, combustion fan starts, system is chain.
The syndeton of controller is seen Fig. 2; Controller is made up of combustion controller, first, second PID adjusting apparatus, the compound adjuster of burning, and combustion controller is connected with first, second PID adjusting apparatus, combustion fan, blast detector, isolating high-pressure ignitor, combustion gas high-voltage detector, combustion gas low-voltage detector, external security interlocking gear, valve leak detector, gas safety cut-off valve line respectively.Combustion controller adopts the S7-200/MSP430F1611/LFL1.3 type.
The one PID adjusting apparatus is connected with volume damper, gas control valve, the compound adjuster of burning, and volume damper is connected with the combustion fan line, and combustion fan is connected with the blast detector; The 2nd PID adjusting apparatus is connected with furnace pressure table, frequency converter line, and frequency converter is connected with air-introduced machine.
According to the connection of connecting up of the function of logic control chart, reserve external terminal in the control cabinet between each parts, be used for being connected with signal, the power of outside execution unit.
The function that controller is mainly realized has three aspects, and 1, guarantee the safety of equipment before the igniting, 2, guarantee the device security of ignition process.3, guarantee to start postrun device security and automatic adjusting in service.Its implementation procedure is undertaken by figure below.Connect source of the gas, behind the set pressure, device power, the safety interlocking protection of at first carrying out firing equipment detects; Carry out the detection of two-stage valve in the fuel gas pipeline after normal, whether seal when checking the two-stage valve closing respectively reliably, through the ignition procedure of back startup burner, at first self check after ignition procedure starts; Whether the function of participating in control operation components and parts is normal, confirms that the back starts air blast, after air blast starts; Promptly begin to monitor the air blast discharge pressure of fan, will have wind pressure signal to return controller with interior, otherwise produce safety locking in 6 seconds; Prepurge can increase according to the combustion chamber situation voluntarily, and minimum purge time is 36 seconds, and frequency dropped to spark rate and prepares igniting after prepurge was accomplished; Be 6 seconds the duration of ignition, and 3 seconds durations of ignition and back 3 seconds durations of ignition before being divided into are after ignition is connected; Last lighting valve was opened at the 3rd second, lighted kindling material and burnt head, flame detecting signal return information controller was arranged after lighting a fire successfully; Program continues operation, does not return then closes lighting valve if still there is flare up fire at the 6th second end, and burner is carried out safety locking.After lighting a fire successfully, kindling material was stablized 10 seconds, during flare up fire do not occur and lose, then open main combustion gas and strengthen burning load, flame detecting monitoring in real time finishes up to burner operation.Drop into load when main flame is opened and regulate automatically, burning load is the value of following the trail of the objective automatically.
Actuating unit is made up of motor 3, combustion fan 2, is arranged on the middle part of burner.Combustion fan 2 burner body anterior with being positioned at burner links to each other, and motor 3 is connected on combustion fan 2 shells, and air intake adjusting device 13 is installed on combustion fan 2 shells, is used for realizing automatic adjusting.Burner body is by fireproof tempering device 4, burning torch 5, gas distribution pipe 6, flame holder 7, cyclone 8, mixing adjustable ring 9, ignitron 10, and high temperature combustion stabilizing body 11 is formed.Fireproof tempering device 4 is arranged on fuel gas inlet 13 places, and the center that burning torch 5 is arranged on burner is positioned at ignitron 10, and burning torch 5 heads are provided with dish shape porous flame holder 7.Ignitron 10, cyclone 8 are positioned at gas distribution pipe 6, and gas distribution pipe 6 is arranged on the below of burner body fuel gas inlet 13, and the exit of this gas distribution pipe 6 is outside by the center, and ignitron 10, cyclone 8 are set respectively.What this ignitron 10 adopted is the antipriming pipe structure, and what cyclone 8 adopted is blade or porous type structure.Mixing adjustable ring 9 is arranged on the outside of gas distribution pipe 6 outer cyclones 8, with the housing flexible connection of burner body.High temperature combustion stabilizing body 11 is arranged on the ejiction opening inboard of burner body, and its thickness is greater than 30mm.High temperature combustion stabilizing body 11 adopts heating resisting metal or refractory cement material.Safety cut-off valve group 12, totally 2 stop valves are installed in the top of fuel gas inlet 13.
Control cabinet 1 directly is connected on the burner shell, also is removably installed in other suitable positions.Realize the safety ignition of burner, monitoring in real time, report to the police cut-out, fully automatic operation.
Parts, equipment such as the described instrument of the utility model, detector all can be bought from market according to designing requirement.
The utility model is formed integrative-structure by control cabinet 1, actuating unit and burner body, also can be with passing through electric wire between the three, and frame for movement connects.
The operation principle of the utility model:
The front portion of the utility model is provided with fireproof tempering device 4, burning torch 5, mixes adjustable ring 9, burning and smooth combustion apparatus; Fireproof tempering device 4 is arranged on fuel gas inlet 13 places; Burning torch 5 is arranged on center, mixing and burning and adopts eddy flow mixed combustion mode step by step; Flame ejiction opening place is provided with high temperature combustion stabilizing body 11, keeps the continual and steady burning of flame.The middle part is provided with combustion fan 2, directly links to each other with burner is anterior, and motor 3 directly is connected on the shell of combustion fan 2, and air intake self-checking device 14 is set on the shell of combustion fan 2, and realization wind is regulated automatically.Afterbody is provided with control cabinet 1, function such as realize to purge, fire inspection, general mood are chain, sequentially fired, fan starting, system are chain.
The function that the controller of the utility model is mainly realized has three aspects, and 1, guarantee the safety of equipment before the igniting, 2, guarantee the device security of ignition process, 3, guarantee to start postrun device security and automatic adjusting in service.Its implementation procedure is undertaken by figure below.Press power switch, connect source of the gas, behind the set pressure, device power; Whether the safety interlocking protection of at first carrying out firing equipment detects, and carries out the detection of two-stage valve in the fuel gas pipeline after normal, seal reliably when checking the two-stage valve closing respectively, starts the ignition procedure of burner through the back; At first self check after ignition procedure starts, whether the function of participating in control operation components and parts is normal, confirms that the back starts air blast, after air blast starts; Promptly begin to monitor the air blast discharge pressure of fan, will have wind pressure signal to return controller with interior, otherwise produce safety locking in 6 seconds; Prepurge can increase according to the combustion chamber situation voluntarily, and minimum purge time is 36 seconds, and frequency dropped to spark rate and prepares igniting after prepurge was accomplished; Be 6 seconds the duration of ignition, and 3 seconds durations of ignition and back 3 seconds durations of ignition before being divided into are after ignition is connected; Last lighting valve was opened at the 3rd second, lighted kindling material and burnt head, flame detecting signal return information controller was arranged after lighting a fire successfully; Program continues operation, does not return then closes lighting valve if still there is flare up fire at the 6th second end, and burner is carried out safety locking.After lighting a fire successfully, kindling material was stablized 10 seconds, during flare up fire do not occur and lose, then open main combustion gas and strengthen burning load, flame detecting monitoring in real time finishes up to burner operation.Drop into load when main flame is opened and regulate automatically, burning load is the value of following the trail of the objective automatically.
During use, the burning feature of comprehensive all gases component, designing and calculating fuel gas pipeline, air distribution pipeline and burner; In burner, formation temperature gradient and recirculating zone are implemented in the biological trouble-free burning of making gas in this zone during work.This device can also be applicable to the gaseous fuel of other type.
More than the disclosed specific embodiment that is merely the utility model; Though the utility model discloses as above with preferred embodiment; But the utility model is not limited thereto, any those skilled in the art can think variation, in design philosophy that does not break away from the utility model and scope; The utility model is carried out various changes and retouching, all should drop within the protection domain of the utility model.
Claims (8)
1. a low calorific value gas fuel burner comprises controller, actuating unit, burner body, and controller places in the control cabinet; Control cabinet, actuating unit, burner body connect as one, and it is characterized in that, the afterbody that the described control cabinet that controller is housed is arranged on burner is connected with actuating unit; Described actuating unit is made up of motor, combustion fan; Be arranged on the middle part of burner, this combustion fan burner body anterior with being positioned at burner links to each other, and motor is connected on the combustion air casing; Described burner body mainly is made up of fireproof tempering device, burning torch, gas distribution pipe, cyclone, mixing adjustable ring high temperature combustion stabilizing body; Fireproof tempering device is arranged on the fuel gas inlet place, and the center that burning torch is arranged on burner is positioned at ignitron, and ignitron, cyclone are positioned at gas distribution pipe; Mix adjustable ring and be arranged on the housing of burner body, the flame ejiction opening place of burner body is provided with the high temperature combustion stabilizing body.
2. low calorific value gas fuel burner according to claim 1; It is characterized in that; Described controller mainly is made up of combustion controller, first, second PID adjusting apparatus, the compound adjuster of burning, and combustion controller is connected with first, second PID adjusting apparatus, combustion fan, blast detector, isolating high-pressure ignitor, combustion gas high-voltage detector, combustion gas low-voltage detector, external security interlocking gear, valve leak detector, gas safety cut-off valve line respectively.
3. low calorific value gas fuel according to claim 2 (biological system gas) burner; It is characterized in that; A described PID adjusting apparatus is connected with volume damper, gas control valve, the compound adjuster of burning; Volume damper is connected with the combustion fan line, and combustion fan is connected with the blast detector; The 2nd PID adjusting apparatus is connected with furnace pressure table, frequency converter line, and frequency converter is connected with air-introduced machine.
4. low calorific value gas fuel burner according to claim 1 is characterized in that, described combustion air casing is provided with air intake adjusting device.
5. low calorific value gas fuel burner according to claim 1 is characterized in that, described burning torch head is provided with dish shape porous flame holder.
6. low calorific value gas fuel burner according to claim 1; It is characterized in that; Described gas distribution pipe is arranged on the below of burner body fuel gas inlet, and the exit of this gas distribution pipe is outside by the center, and ignitron, cyclone are set respectively; This ignitron is the antipriming pipe structure, and what cyclone adopted is blade or porous type structure.
7. low calorific value gas fuel burner according to claim 1 is characterized in that, described mixing adjustable ring is arranged on the outside of the outer cyclone of gas distribution pipe, with the housing flexible connection of burner body.
8. low calorific value gas fuel burner according to claim 1 is characterized in that, described high temperature combustion stabilizing body is arranged on the ejiction opening inboard of burner body, and its thickness is greater than 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200394527U CN202470057U (en) | 2012-02-08 | 2012-02-08 | Low-heat-value gas fuel combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200394527U CN202470057U (en) | 2012-02-08 | 2012-02-08 | Low-heat-value gas fuel combustion device |
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| Publication Number | Publication Date |
|---|---|
| CN202470057U true CN202470057U (en) | 2012-10-03 |
Family
ID=46918212
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200394527U Expired - Lifetime CN202470057U (en) | 2012-02-08 | 2012-02-08 | Low-heat-value gas fuel combustion device |
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| Country | Link |
|---|---|
| CN (1) | CN202470057U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563646A (en) * | 2012-02-08 | 2012-07-11 | 王爱洁 | Combustion device for gaseous fuel with low heating values |
| CN112178914A (en) * | 2020-10-09 | 2021-01-05 | 苏州金猫咖啡有限公司 | Control method of direct-fired hot air system for spray drying tower |
-
2012
- 2012-02-08 CN CN2012200394527U patent/CN202470057U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563646A (en) * | 2012-02-08 | 2012-07-11 | 王爱洁 | Combustion device for gaseous fuel with low heating values |
| CN112178914A (en) * | 2020-10-09 | 2021-01-05 | 苏州金猫咖啡有限公司 | Control method of direct-fired hot air system for spray drying tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20140507 |
|
| RGAV | Abandon patent right to avoid regrant |