CN105090937B - A kind of boiler improvement method - Google Patents
A kind of boiler improvement method Download PDFInfo
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- CN105090937B CN105090937B CN201510424587.3A CN201510424587A CN105090937B CN 105090937 B CN105090937 B CN 105090937B CN 201510424587 A CN201510424587 A CN 201510424587A CN 105090937 B CN105090937 B CN 105090937B
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Abstract
The invention discloses a kind of boiler improvement method that built-in oil burner is changed to external oil gas dual-fuel burner, former built-in oil burner boiler includes preceding return combustion chamber, built-in oil burner, air blower, air channel, interlayer air compartment, exhanst gas outlet, refractory wall is provided between preceding return combustion chamber and interlayer air compartment, air blower is connected by air channel with interlayer air compartment, built-in oil burner is arranged in interlayer air compartment, and is connected through refractory wall with preceding return combustion chamber.The remodeling method of the present invention includes：Built-in oil burner is removed, external oil gas dual-fuel burner is installed；Air channel and the junction of former interlayer air compartment are closed, and air channel is connected with external oil gas dual-fuel burner；The filling heat insulator in former interlayer air compartment.The remodeling method of the present invention is simple, easy to operate, and has saved resource.
Description
Technical field
External oil gas is changed to the present invention relates to a kind of boiler improvement method, more particularly to a kind of built-in oil burner
The boiler improvement method of dual fuel burner.
Background technology
At present, domestic city all suffers from the problem of how conventional boiler is transformed, because natural gas is a kind of close environmental protection
High-grade energy, hardly sulfur-bearing, dust and other harmful substances matter, the carbon dioxide produced during burning fires less than other fossils
Material, thus can fundamentally improve environmental quality, and combustion gas in addition also has the advantages that economical and practical, safe and reliable, is replaced with gas
Fossil fuel is trend of the times.
The need for external oil gas dual-fuel burner boiler can adapt to this situation.First, the boiler can use day
Right this eco-friendly power source of gas is burnt.Secondly, when not possessing natural gas condition, the boiler can be carried out by fuel of fuel oil
Burning.
In order to economize on resources, and effective utilization of old boiler is realized, can be by existing built-in oil burner boiler
It transform external oil gas dual-fuel burner boiler as, but remodeling method is more rare at present.
The content of the invention
In view of the drawbacks described above of prior art, the technical problems to be solved by the invention are to provide a kind of by built-in combustion
Oil burner boiler improvement be external oil gas dual-fuel burner boiler method, make original boiler both can with non-combusted fuels,
Again can be with combustion gas.
To achieve the above object, it is changed to the combustion of external oil gas dual-fuel the invention provides a kind of built-in oil burner
Strile-back type three-pass boiler centered on the boiler improvement method of burner, the built-in oil burner boiler, including before strile-back
Room, built-in oil burner, air blower, air channel, interlayer air compartment, exhanst gas outlet, the preceding return combustion chamber and the interlayer air compartment
Between be provided with refractory wall, the air blower is connected by the air channel with the interlayer air compartment, the built-in fuel oil burning
Device is arranged in the interlayer air compartment, and is connected through the refractory wall with the preceding return combustion chamber；
The boiler improvement method comprises the following steps：
The first step, the built-in oil burner is removed, according to the size of external oil gas dual-fuel burner and
Shape cuts the outer wall of the interlayer air compartment again, and the outer wall through the interlayer air compartment of well cutting installs the external oil
Gas dual fuel burner, makes the external oil gas dual-fuel burner part through the refractory wall and the preceding return combustion chamber
Connection, the outer wall that another part passes the interlayer air compartment is connected with fuel system and gas burning system；
Second step, the air channel and the junction of the interlayer air compartment is closed, and make the air channel and the external
Oil gas dual-fuel burner is connected；
3rd step, the filling heat insulator in the interlayer air compartment.
Further, the external oil gas dual-fuel burner and the junction in the air channel are provided with damper,
The damper is low resistance type.
Further, the heat-insulating material is silicate aluminum board.
Further, the air channel is connected to the external oil gas dual-fuel burner by hose adapter, to avoid shake
Dynamic and noise.
Further, the external oil gas dual-fuel burner can use fuel oil and/or combustion gas to be burnt, described
Fuel oil is diesel oil, and the combustion gas is natural gas.
Further, the boiler improvement method also includes the 4th step, and the 4th step is to be set in the smoke outlet
Explosion proof door is put, the explosion proof door can automatically open up pressure release, improve the security reliability of boiler.
Further, the boiler improvement method also includes the 5th step, and the 5th step is by original boiler control box
Transformed, improved boiler control box is matched with external oil gas dual-fuel burner control cabinet.
The boiler improvement method of the present invention is transformed on the basis of original built-in oil burner boiler, with reality
The external oil gas dual-fuel burner boiler of existing fuel oil and gas two-purpose, the remodeling method is simple, easy to operate, and has saved money
Source, improved external oil gas dual-fuel burner boiler ensure that burning is exerted oneself and reach the maximum rated of former oil burning boiler
Power, and boiler efficiency is not less than the efficiency of former oil burning boiler, not only can be with non-combusted fuels but also can be with combustion gas, and with peace
Complete reliable the characteristics of.
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to accompanying drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 is the structural representation of former built-in oil burner boiler；
Fig. 2 is the schematic diagram of the external oil gas dual-fuel burner boiler of the preferred embodiment of the present invention.
Embodiment
The external oil gas dual-fuel burner boiler of the preferred embodiment of the present invention is in original built-in combustion
Transformed on the basis of oil burner boiler, strile-back type three-pass boiler centered on former built-in oil burner boiler,
Boiler capacity is 12 ton hours, and steam supply pressure is 1.0Mpa, and the furnace diameter of boiler is 1700mm, and burner hearth length is
4150mm (distance of furnace bottom to stable flame pan), boiler is furnished with 30kw external air blower.
As shown in figure 1, original built-in oil burner boiler include preceding return combustion chamber 1, built-in oil burner 5,
Air blower 2, air channel 3, interlayer air compartment 6, exhanst gas outlet 10, refractory wall 5, air blast are provided between preceding return combustion chamber 1 and interlayer air compartment 6
Machine 2 is connected by air channel 3 with interlayer air compartment 6, and built-in oil burner 4 is arranged in interlayer air compartment 6, and passes through refractory wall 5
Connected with preceding return combustion chamber 1, the flue gas for generation of being burnt in built-in oil burner 4 is connected progress with flue by exhanst gas outlet 10
Discharge.
The boiler improvement method of the present embodiment comprises the following steps：
The first step, built-in oil burner is removed, according to the size and dimension of external oil gas dual-fuel burner
Again the outer wall of interlayer air compartment is cut, the outer wall through the interlayer air compartment of well cutting installs the external oil gas dual-fuel burning
Device, makes an external oil gas dual-fuel burner part be connected through refractory wall with preceding return combustion chamber, another part passes the folder
The outer wall of layer air compartment is connected with fuel system and gas burning system.
Second step, air channel and the junction of interlayer air compartment is closed, and make air channel and external oil gas dual-fuel burner
Connection.
3rd step, because former interlayer air compartment is connected with air blower, the wind energy in interlayer air compartment enough plays the effect of radiating
Really, and after transforming interlayer air compartment and air blower are to disconnect, therefore it is good to reach in interlayer air compartment to be stuffed entirely with heat-insulating material
Good insulation effect.
4th step, explosion proof door is set in smoke outlet.
5th step, original boiler control box is transformed, and makes improved boiler control box double with external oil gas
Fuel burner control cabinet is matched.
Therefore, as shown in Fig. 2 improved external oil gas dual-fuel burner boiler includes preceding return combustion chamber 1, external
Oil gas dual-fuel burner 7, air blower 2, air channel 3 and exhanst gas outlet 10, the outer wall of preceding return combustion chamber 1 are disposed with outwardly by inner
Refractory wall 5 and heat-insulating material 8, a part for external oil gas dual-fuel burner 7 pass through heat-insulating material 8 and refractory wall 5 with before
Return combustion chamber 1 is connected, and another part passes heat-insulating material 8 and connected with fuel system and gas burning system.External oil gas dual-fuel fires
The flue gas of generation of being burnt in burner 7 is connected with flue by exhanst gas outlet 10 and discharged.
Wherein, external oil gas dual-fuel burner 7 and the junction in air channel 3 are provided with damper 9, damper 9
For low resistance type.Air channel 3 is connected to external oil gas dual-fuel burner 7 by hose adapter, to avoid vibrations and noise.Separately
Outside, explosion proof door (not shown) is provided with exhanst gas outlet 10, just in case boiler internal furnace or flue explode, the explosion proof door energy
Enough automatically open up pressure release, it is to avoid furnace wall ftractures or the accident that collapses, so as to improve the security reliability of boiler.
In the present embodiment, refractory wall 5 adds firebrick structure, the gap between preceding return combustion chamber 1 and refractory wall 5 using concrete
Carry out twining packing envelope using alumina silicate rope.Heat-insulating material 8 uses silicate aluminum board, and multilayer silicate aluminum board uses staggered floor paving mode,
With high-temperature agglomerant brushing sealing between adjacent two layers silicate aluminum board.
The 5th step particular content in the boiler improvement method of the present embodiment is as follows：
(1) boiler feed water retained in original built-in oil burner boiler control box controls constant, superpressure, extremely low water
Position and combustion failure alarm constant, increase the acousto-optics such as combustion gas valve group leak detection newly in original built-in oil burner boiler control box
Alarm and protection；
(2) original built-in oil burner boiler control box inner blower air switch and contactor are retained, and wiring connects
To external dual fuel burner control cabinet.
(3) being exported using the oil pump air switch in original built-in oil burner boiler control box gives external double combustions
Gas turbine liquid-fuel burner.
(4) it is the burning signal in external dual fuel burner control cabinet and the access of combustion failure signal is original built-in
In oil burner boiler control box.By the combustion completion chain signal access in original built-in oil burner boiler control box
In external dual fuel burner control cabinet.
(5) former resistance signal pressure proportional adjuster, configuration are removed in original built-in oil burner boiler control box
Current signal pressure sensor, and wiring is connected to the computer controller in external oil gas dual-fuel burner control cabinet；
(6) remove the manual, automatic transfer switch in former built-in oil burner control cabinet, set up gas leakage alarm
Indicator lamp, oil-gas switch switch.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Need creative work just can make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (4)
1. a kind of built-in oil burner is changed to the boiler improvement method of external oil gas dual-fuel burner, its feature exists
In, strile-back type three-pass boiler centered on the built-in oil burner boiler, including the burning of preceding return combustion chamber, built-in fuel oil
Device, air blower, air channel, interlayer air compartment, exhanst gas outlet, refractory wall is provided between the preceding return combustion chamber and the interlayer air compartment,
The air blower is connected by the air channel with the interlayer air compartment, and the built-in oil burner is arranged on the interlayer wind
Interior, and connected through the refractory wall with the preceding return combustion chamber；
The boiler improvement method comprises the following steps：
The first step, the built-in oil burner is removed, according to the size and dimension of external oil gas dual-fuel burner
Again the outer wall of the interlayer air compartment is cut, the outer wall through the interlayer air compartment of well cutting installs the external oil gas pair
Fuel burner, makes a part for the external oil gas dual-fuel burner connect through the refractory wall with the preceding return combustion chamber
Logical, the outer wall that another part passes the interlayer air compartment is connected with fuel system and gas burning system；The double combustions of the external oil gas
Gas turbine liquid-fuel burner can use fuel oil and/or combustion gas to be burnt；
Second step, the air channel and the junction of the interlayer air compartment is closed, and make the air channel and the external oil gas
Dual fuel burner is connected；
3rd step, the filling heat insulator in the interlayer air compartment；
4th step, explosion proof door is set in the smoke outlet；
5th step, original boiler control box is transformed, and makes improved boiler control box and external oil gas dual-fuel
Burner control cabinet is matched, and is specially：
(1) the boiler feed water control retained in original built-in oil burner boiler control box is constant, superpressure, extremely low water level and
Combustion failure alarm is constant, increases the sound and light alarms such as combustion gas valve group leak detection newly in original built-in oil burner boiler control box
And protection；
(2) original built-in oil burner boiler control box inner blower air switch and contactor are retained, and wiring is connected to outside
Put in formula dual fuel burner control cabinet；
(3) exported and fired to external double fuel using the oil pump air switch in original built-in oil burner boiler control box
Burner；
(4) the burning signal in external dual fuel burner control cabinet and combustion failure signal are accessed into original built-in fuel oil
In burner boiler control cabinet；Combustion completion chain signal access in original built-in oil burner boiler control box is external
In formula dual fuel burner control cabinet；
(5) former resistance signal pressure proportional adjuster is removed in original built-in oil burner boiler control box, electric current is configured
Signal pressure sensor, and wiring is connected to the computer controller in external oil gas dual-fuel burner control cabinet；
(6) remove the manual, automatic transfer switch in former built-in oil burner control cabinet, set up gas leakage police instruction
Lamp, oil-gas switch switch.
2. boiler improvement method as claimed in claim 1, it is characterised in that the external oil gas dual-fuel burner and institute
The junction for stating air channel is provided with damper, and the damper is low resistance type.
3. boiler improvement method as claimed in claim 1, it is characterised in that the heat-insulating material is silicate aluminum board.
4. boiler improvement method as claimed in claim 1, it is characterised in that the air channel is connected to described outer by hose adapter
Put formula oil gas dual-fuel burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510424587.3A CN105090937B (en) | 2015-07-17 | 2015-07-17 | A kind of boiler improvement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510424587.3A CN105090937B (en) | 2015-07-17 | 2015-07-17 | A kind of boiler improvement method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105090937A CN105090937A (en) | 2015-11-25 |
| CN105090937B true CN105090937B (en) | 2017-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510424587.3A Active CN105090937B (en) | 2015-07-17 | 2015-07-17 | A kind of boiler improvement method |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2093975U (en) * | 1991-05-10 | 1992-01-22 | 曹国峰 | Multiple air-draught energy-saving industrial boiler |
| CN2359566Y (en) * | 1999-01-07 | 2000-01-19 | 周俊云 | Horizontal gas, oil burning boiler |
| CN2486851Y (en) * | 2001-07-11 | 2002-04-17 | 袁培策 | Full wave shape furnace chamber back firing chamber oil (gas) boiler |
| JP2012237541A (en) * | 2011-05-11 | 2012-12-06 | Yoriyasu Ozaki | Combustion apparatus using oxyhydrogen gas |
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2015
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| CN105090937A (en) | 2015-11-25 |
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