CN104534490B - The device and air distribution method of boiler ph balancing auxiliary air distribution - Google Patents
The device and air distribution method of boiler ph balancing auxiliary air distribution Download PDFInfo
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- CN104534490B CN104534490B CN201410839498.0A CN201410839498A CN104534490B CN 104534490 B CN104534490 B CN 104534490B CN 201410839498 A CN201410839498 A CN 201410839498A CN 104534490 B CN104534490 B CN 104534490B
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- air distribution
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- boiler
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Abstract
The device and air distribution method of boiler ph balancing auxiliary air distribution.At present, domestic most of boilers take the mode of afterbody desulphurization denitration to remove pollutant, and often effect is not satisfactory, and pollutant emission is exceeded to happen occasionally, and maintenance difficulty is larger.The composition of the present invention includes：Casing（5）, water injection pipe is installed on described casing（3）, described water injection pipe one end is provided with electric gate valve（1）, the described water injection pipe other end, which is arranged on described box house, has preparation pond（8）Inside, described preparation pond is built with level sensor（2）, transfer pipeline（10）, circulating pump is installed on described transfer pipeline（9）, the lower section of described transfer pipeline has ultrasonic mist generating device（11）, described ultrasonic mist generating device is installed in preceding air delivery duct（12）On, described preceding air delivery duct and rear air delivery duct（14）Between blower fan is installed（13）.The present invention is used for boiler ph balancing and aids in air distribution.
Description
Technical field：
The present invention relates to a kind of device of boiler ph balancing auxiliary air distribution and air distribution method.
Background technology：
At present, domestic most of boilers take the mode of afterbody desulphurization denitration to remove pollutant, and often effect is not very managed
Think, pollutant emission is exceeded to happen occasionally, and maintenance difficulty is larger, with desulphurization denitration ageing equipment, its operational effect is even more
Go from bad to worse, the pollution of very severe can be so produced to ambient air.
Domestic current air distribution device majority is single air blower or combustion fan, and these air distribution devices only can be single
The size of only regulation air quantity, does not have the ability of the combustion-supporting regulation acid-base balance of atomization air distribution, so not only results in coal
The significant wastage of resource, and imperfect combustion coal and nitrogen sulfur compound can produce the dirt of very severe to ambient air
Dye.
The content of the invention：
It is an object of the invention to provide a kind of device of boiler ph balancing auxiliary air distribution and air distribution method.
Above-mentioned purpose is realized by following technical scheme：
A kind of boiler ph balancing aids in the device of air distribution, and its composition includes：Note is installed on casing, described casing
Water pipe, described water injection pipe one end is provided with electric gate valve, and the described water injection pipe other end, which is arranged on described box house, to be had
Have inside preparation pond, described preparation pond is provided with circulation built with level sensor, transfer pipeline on described transfer pipeline
Pump, the lower section of described transfer pipeline has ultrasonic mist generating device, and described ultrasonic mist generating device is arranged on
On preceding air delivery duct, blower fan is installed between described preceding air delivery duct and rear air delivery duct.
Described boiler ph balancing aids in the device of air distribution, and it is exhausted that described ultrasonic mist generating device includes PVC
Edge frame, described PVC insulation frames are connected with described casing, and described PVC insulate, and inframe is evenly distributed to be provided with thermocouple.
Described boiler ph balancing aids in the device of air distribution, and the bottom in described preparation pond is provided with blow-off pipe, institute
Blowoff valve is installed on the blow-off pipe stated.
Described boiler ph balancing aids in being provided with control cabinet, inspection door on the outside of the device of air distribution, described casing,
Described casing is arranged on base, has air inlet on described casing.
A kind of air distribution method of the device of boiler ph balancing auxiliary air distribution described in claim 1-4, this method bag
Include following steps：
Electric gate valve is opened, the preparation pond that sulphur denitration preparation and combustion-supporting preparation are entered in casing by ascending pipe, circulating pump
By preparation in described preparation pond by the way that on transfer pipeline to ultrasonic mist generating device, described ultrasonic atomization is filled
Preparation is heated into atomizing steam by thermocouple in putting, and blower fan is by the preparation after being atomized through ultrasonic mist generating device and secondary
By preceding air delivery duct, the air delivery duct feeding boiler furnace with after participates in desulphurization denitration and auxiliary combustion to wind；
When liquid level reaches the level sensor low level setting value in preparation in described preparation pond, described electric gate valve
Open, signal is passed to electric gate valve by water level sensor, described electric gate valve is opened, and ascending pipe adds preparation in casing
Preparation pond, when preparation attains to a high place setting value, level sensor passes to signal described electric gate valve, and described is electronic
Gate valve is closed, and stops injection preparation.
Beneficial effect：
1. the PVC insulation frames that the mist film of the present invention heats net completely cut off thermocouple and casing, thermocouple is in PVC insulation frames 1
In uniformly arrange, atomization preparation is provided with boiler combustion process so that desulphurization denitration process can in stove, and provide
Combustion-supporting preparation, promotes the burning of boiler.
The preparation pond of the present invention is after operation a period of time, and the dirt accumulated in preparation pond can pass through the quick of bottom half
Blowoff valve is excluded；Feedback regulation is carried out between electric gate valve and preparation water level sensor, the amount of formulation in preparation pond is adjusted
Section.
The present invention will be atomized combustion-supporting regulation acid-base balance preparation spray feed and enter burner hearth, so not by the way of auxiliary air distribution
The burning of fuel has only been greatly facilitated, fire box temperature is improved, and has been combined in combustion with nitrogen sulphur, by pollutant catabolic gene
In the source of burning so that desulphurization denitration is completed in stove.So fundamentally solve boiler combustion and discharge a large amount of nitrogen vulcanizations
The problem of compound pollutes and the operating cost for greatly reducing boiler tail desulphurization denitration subsidiary engine, and helping due to the invention
Fire function so that boiler combustion efficiency improve, economically for have great effect of coal saving.
The preparation that the present invention can be provided after atomization enables desulphurization denitration to carry out in burner hearth to reach that desulfuration in furnace takes off
Combustion-supporting preparation feeding burner hearth after atomization can be played a part of improving efficiency of combustion by the purpose of nitre, another aspect device,
And structure simply maintenance facilitates stable.
After power supply is closed, water pump sprays preparation on ultrasonic mist generating device through delivery pipe, and blower fan will be through
The atomization preparation of ultrasonic mist generating device enters through air channel spray feed to boiler induced-draft fan import, atomization preparation through boiler induced-draft fan
Enter burner hearth.Water pump and blower fan adjust the speed of service by time relay control according to the requirement of boiler different load and coal.
Brief description of the drawings：
Accompanying drawing 1 is the structural representation of the present invention.
Accompanying drawing 2 is the top view of accompanying drawing 1.
Accompanying drawing 3 is the structural representation of ultrasonic mist generating device.
Accompanying drawing 4 is the left view of accompanying drawing 3.
Accompanying drawing 5 is the top view of accompanying drawing 3.
Embodiment：
Embodiment 1：
A kind of boiler ph balancing aids in the device of air distribution, and its composition includes：It is provided with casing 5, described casing
Water injection pipe 3, described water injection pipe one end is provided with electric gate valve 1, and the described water injection pipe other end is arranged in described casing
Portion has inside preparation pond 8, and described preparation pond is pacified on described transfer pipeline built with level sensor 2, transfer pipeline 10
Equipped with circulating pump 9, the lower section of described transfer pipeline has ultrasonic mist generating device 11, and described ultrasonic atomization occurs
Device is arranged on preceding air delivery duct 12, and blower fan 13 is provided between described preceding air delivery duct and rear air delivery duct 14.
Embodiment 2：
Boiler ph balancing according to embodiment 1 aids in the device of air distribution, and described ultrasonic atomization is filled
Put including PVC insulation frames 18, described PVC insulation frames are connected with described casing, the described PVC insulation evenly distributed peaces of inframe
Equipped with thermocouple 19.
Embodiment 3：
Boiler ph balancing according to embodiment 1 or 2 aids in the device of air distribution, and the bottom in described preparation pond is pacified
Equipped with blow-off pipe 16, blowoff valve 15 is installed on described blow-off pipe.
Embodiment 4：
Boiler ph balancing according to embodiment 1 or 2 aids in being provided with the outside of the device of air distribution, described casing
Control cabinet 7, inspection door 6, described casing are arranged on base 17, have air inlet 4 on described casing.
Embodiment 5：
A kind of air distribution method of the device of boiler ph balancing auxiliary air distribution described in claim 1-4, this method bag
Include following steps：
Electric gate valve is opened, the preparation pond that sulphur denitration preparation and combustion-supporting preparation are entered in casing by ascending pipe, circulating pump
Preparation in described preparation pond is sprayed onto ultrasonic mist generating device by transfer pipeline, described ultrasonic atomization hair
Preparation is heated into atomizing steam by thermocouple in generating apparatus, blower fan by the preparation after being atomized through ultrasonic mist generating device and
By preceding air delivery duct, the air delivery duct feeding boiler furnace with after participates in desulphurization denitration and auxiliary combustion to Secondary Air；
When liquid level reaches the level sensor low level setting value in preparation in described preparation pond, described electric gate valve
Open, signal is passed to electric gate valve by water level sensor, described electric gate valve is opened, and ascending pipe adds preparation in casing
Preparation pond, when preparation attains to a high place setting value, level sensor passes to signal described electric gate valve, and described is electronic
Gate valve is closed, and stops injection preparation.
Claims (1)
1. a kind of boiler ph balancing aids in the device of air distribution, its composition includes：Casing, it is characterized in that：On described casing
Water injection pipe is installed, described water injection pipe one end is provided with electric gate valve, and the described water injection pipe other end is arranged on described case
Internal portion has inside preparation pond, and described preparation pond is pacified on described transfer pipeline built with level sensor, transfer pipeline
Equipped with circulating pump, the lower section of described transfer pipeline has ultrasonic mist generating device, and described ultrasonic atomization is filled
Put on preceding air delivery duct, blower fan is installed between described preceding air delivery duct and rear air delivery duct；
Described ultrasonic mist generating device includes PVC insulation frames, and described PVC insulation frames connect with described casing
Connect, described PVC insulate, and inframe is evenly distributed to be provided with thermocouple；
The bottom in described preparation pond is provided with blow-off pipe, described blow-off pipe and is provided with blowoff valve；
Control cabinet control atomization quantity, inspection door are installed, described casing is arranged on base, described on the outside of described casing
There is air inlet on casing；
The air distribution method of the device of described boiler ph balancing auxiliary air distribution, this method comprises the following steps：Electric gate valve
Open, the preparation pond that sulphur denitration preparation and combustion-supporting preparation are entered in casing by ascending pipe, circulating pump is by described preparation pond
Preparation will be by the way that on transfer pipeline to ultrasonic mist generating device, the thermocouple in described ultrasonic mist generating device will be made
Agent is heated into atomizing steam, blower fan by the preparation after being atomized through ultrasonic mist generating device and Secondary Air by preceding air delivery duct and
Feeding boiler furnace in air delivery duct participates in desulphurization denitration and auxiliary combustion afterwards；When liquid level reaches water in preparation in described preparation pond
During level sensor low level setting value, described electric gate valve is opened, and signal is passed to electric gate valve by water level sensor, described
Electric gate valve is opened, the preparation pond that ascending pipe adds preparation in casing, and when preparation attains to a high place setting value, level sensor will
Signal passes to described electric gate valve, and described electric gate valve closure stops injection preparation；
Preparation pond is after operation a period of time, and the dirt accumulated in preparation pond can be excluded by the fast blowoff valve of bottom half, electricity
It is dynamic that feedback regulation is carried out between gate valve and preparation water level sensor, the amount of formulation in preparation pond is adjusted；
By the way of the present invention is using auxiliary air distribution, the combustion-supporting acid-base balance preparation spray feed that adjusts will be atomized and enter burner hearth, so not only pole
The big burning for promoting fuel, improves fire box temperature, and is combined in combustion with nitrogen sulphur, by pollutant catabolic gene in combustion
The source of burning so that desulphurization denitration is completed in stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410839498.0A CN104534490B (en) | 2014-12-30 | 2014-12-30 | The device and air distribution method of boiler ph balancing auxiliary air distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410839498.0A CN104534490B (en) | 2014-12-30 | 2014-12-30 | The device and air distribution method of boiler ph balancing auxiliary air distribution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104534490A CN104534490A (en) | 2015-04-22 |
| CN104534490B true CN104534490B (en) | 2017-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410839498.0A Expired - Fee Related CN104534490B (en) | 2014-12-30 | 2014-12-30 | The device and air distribution method of boiler ph balancing auxiliary air distribution |
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| CN1185778A (en) * | 1995-03-16 | 1998-06-24 | 纳可环技公司 | Simplified efficient process for reducing NOx, SOx and particulates |
| CN101091868A (en) * | 2007-04-13 | 2007-12-26 | 赵琪琤 | Desulfurization method by ultrasonic atomization |
| WO2008103477A2 (en) * | 2007-02-23 | 2008-08-28 | Aptech Engineering Services, Inc. | Process for reduction of sulfur compounds and nitrogen compounds in the exhaust gases of combustion devices |
| CN101433799A (en) * | 2008-12-04 | 2009-05-20 | 哈尔滨工业大学 | Selective non-catalytic reduction method for gasifying and atomizing biomass and used boiler |
| CN103691293A (en) * | 2014-01-13 | 2014-04-02 | 广东清华中邦热能科技有限公司 | Novel SNCR (selective non-catalytic reduction) and SCR (selective catalytic reduction) hybrid denitrification system |
| CN104056542A (en) * | 2014-06-09 | 2014-09-24 | 广西壮族自治区建筑材料科学研究设计院 | SNCR (selective non-catalytic reduction) denitration method and SNCR denitration device |
| CN204388098U (en) * | 2014-12-30 | 2015-06-10 | 黑龙江国德节能服务有限公司 | Boiler ph balancing assists the device of air distribution |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6196319A (en) * | 1984-10-16 | 1986-05-15 | Hitachi Zosen Corp | Method of low nox combustion to be performed along with desulfurization |
-
2014
- 2014-12-30 CN CN201410839498.0A patent/CN104534490B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1185778A (en) * | 1995-03-16 | 1998-06-24 | 纳可环技公司 | Simplified efficient process for reducing NOx, SOx and particulates |
| WO2008103477A2 (en) * | 2007-02-23 | 2008-08-28 | Aptech Engineering Services, Inc. | Process for reduction of sulfur compounds and nitrogen compounds in the exhaust gases of combustion devices |
| CN101091868A (en) * | 2007-04-13 | 2007-12-26 | 赵琪琤 | Desulfurization method by ultrasonic atomization |
| CN101433799A (en) * | 2008-12-04 | 2009-05-20 | 哈尔滨工业大学 | Selective non-catalytic reduction method for gasifying and atomizing biomass and used boiler |
| CN103691293A (en) * | 2014-01-13 | 2014-04-02 | 广东清华中邦热能科技有限公司 | Novel SNCR (selective non-catalytic reduction) and SCR (selective catalytic reduction) hybrid denitrification system |
| CN104056542A (en) * | 2014-06-09 | 2014-09-24 | 广西壮族自治区建筑材料科学研究设计院 | SNCR (selective non-catalytic reduction) denitration method and SNCR denitration device |
| CN204388098U (en) * | 2014-12-30 | 2015-06-10 | 黑龙江国德节能服务有限公司 | Boiler ph balancing assists the device of air distribution |
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| CN104534490A (en) | 2015-04-22 |
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