CN105299686A - Environment-friendly and energy-saved heat pipe air preheating device for coal-fired boiler and preheating method - Google Patents
Environment-friendly and energy-saved heat pipe air preheating device for coal-fired boiler and preheating method Download PDFInfo
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- CN105299686A CN105299686A CN201510896118.1A CN201510896118A CN105299686A CN 105299686 A CN105299686 A CN 105299686A CN 201510896118 A CN201510896118 A CN 201510896118A CN 105299686 A CN105299686 A CN 105299686A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The invention relates to an environment-friendly and energy-saved heat pipe air preheating device for a coal-fired boiler and a preheating method. The smoke discharge temperature of a traditional industrial boiler is generally between 160-200 DEG C; the heat loss is about 10%; and a traditional coal economizer and a traditional air preheater are easy to generate low-temperature corrosion ash deposition and ash blockage to influence normal boiler operation. The device comprises a support frame device (1), wherein a preheater mechanism is arranged above the support frame device; an air inlet pipe (2) is mounted below the preheater mechanism; an air preheating area (3) is at the left side of the front end of the preheater mechanism; an air outlet pipe (4) is mounted at the left side of the upper side of the preheater mechanism; a smoke inlet pipe (6) is mounted at the right side of the upper side of the preheater mechanism; a sound wave ash blowing connection pipe (5) is mounted at the front end of the smoke inlet pipe; and a smoke heat release area (7) is at the right side of the front end of the preheater mechanism. The invention is applied to the environment-friendly and energy-saved heat pipe air preheating device for the coal-fired boiler.
Description
technical field:
the present invention relates to a kind of pre-heating mean for coal-burning boiler environmental protection and energy saving heat pipe air preheating device.
background technology:
the exhaust gas temperature of current Industrial Boiler is generally between 160 ~ 200 DEG C, and its heat loss is about 10%, is not manyly utilized very well, and cold end corrosion dust stratification, stifled ash easily appear in traditional economizer and air preheater, affect boiler and normally run.Also there is Air Leakage in tubular air preheater, combustion-supporting air quantity is caused to reduce, affect boiler output, the heat transfer area of the little temperature difference requirement waste heat recovery apparatus of low temperature exhaust heat is large, be difficult to reclaim less than 160 DEG C low temperature exhaust heats with shell-and-tube air preheater, some miniature boilers do not adopt air preheater in use, make boiler efficiency lower.
this product heat pipe environmental-protection energy-saving device is the high-efficiency heat exchanger equipment of the preheated air distinguished and the water developed for coal-burning boiler, this preheater adopts ZRGS heat pipe as heat-exchanging component, exhaust gas temperature can be down to about 130 DEG C, boiler feedwater is preheating to 70 ~ 90 DEG C; Boiler efficiency 5% ~ 10% can be improved, coal saving rate can reach 10%, coal-fired boiler hot pipe environmental-protection energy-saving device is equipped with automatic sound wave soot cleaning system, reliable, working service convenience, being the desirable corollary equipment of middle and small burn coal boiler, and can be used for old boiler reducing energy consumption, is the renewal product of old-fashioned air preheater and economizer.
summary of the invention:
the object of this invention is to provide a kind of pre-heating mean for coal-burning boiler environmental protection and energy saving heat pipe air preheating device.
above-mentioned object is realized by following technical scheme:
a kind of for coal-burning boiler environmental protection and energy saving heat pipe air preheating device, its composition comprises: support frame device, there is above described support frame device preheater mechanism, below described preheater mechanism, air intlet pipe is installed, air preheating area on the left of described preheater device front end, described preheater mechanism upper left is provided with air outlet slit pipe, described preheater mechanism upper right is provided with flue gas inlet tube, described flue gas inlet tube front end is provided with sonic soot blowing adapter, has flue gas heat release zone on the right side of described preheater device front end.
described for coal-burning boiler environmental protection and energy saving heat pipe air preheating device, have sidepiece inspection door below described flue gas heat release zone, described preheater actuator base has exhanst gas outlet.
described for coal-burning boiler environmental protection and energy saving heat pipe air preheating device, the rear side of described exhanst gas outlet is provided with shoot door, and described shoot door is arranged on the below of described air intlet pipe.
a kind of for coal-burning boiler environmental protection and energy saving heat pipe air preheating device and pre-heating mean, the method comprises the steps: it is first that coal-burning boiler exhaust gas temperature is reduced to about 130 DEG C, and boiler feed temperature is brought up to 70 ~ 90 DEG C, coal-fired consumption can reduce 5% ~ 10%, the heat pipe water preheater profile of coal-burning boiler is cuboid external form, inner heat pipe assembly is ZRGS super heat-conductive pipe assembly, preheater mechanism has flue gas heat release zone, described preheater is in-house is furnished with median septum, described preheater mechanism side mask have into, outlet pipe interface, water tank sewage draining exit, condensed water sewage draining exit, sidepiece inspection door, shoot door, enter, go out flue gas interface section composition environmental-protection energy-saving device body, heat pipe water preheater structural shape is that smoke entrance is arranged in the horizontal direction, heat pipe assembly is upright, the equal adapted this type of general boiler, or heat pipe water preheater structural shape is that smoke entrance is vertically arranged, heat pipe assembly level of approximation is arranged, generally be used in transformation project for meeting specific installing space needs,
coal-burning boiler is equipped with automatic sound wave soot cleaning system, and reliable, working service convenience, being the desirable corollary equipment of middle and small burn coal boiler, and can be used for old boiler reducing energy consumption, is the renewal product of old-fashioned economizer.
beneficial effect:
1. the present invention is a kind of for coal-burning boiler environmental protection and energy saving heat pipe air preheating device and pre-heating mean, heat pipe air preheating device is the high-efficiency heat exchanger equipment of the preheated air distinguished and the water developed for coal-burning boiler, this preheater adopts ZRGS heat pipe as heat-exchanging component, exhaust gas temperature can be down to about 130 DEG C, boiler feedwater is preheating to 70 ~ 90 DEG C; Can improve boiler efficiency 5% ~ 10%, coal saving rate can reach 10%.
coal-fired boiler hot pipe environmental-protection energy-saving device of the present invention is equipped with automatic sound wave soot cleaning system, reliable, working service convenience, being the desirable corollary equipment of middle and small burn coal boiler, and can be used for old boiler reducing energy consumption, is the renewal product of old-fashioned air preheater and economizer.
function of the present invention is strong, can separately preboiler soft water and enter stove combustion air, also stove soft water and combustion air can be entered with the preheating simultaneously of an equipment, fume side and air side heat pipe all have fin with augmentation of heat transfer, the coefficient of heat transfer is high, compact conformation, volume are little, and flue gas flow is short, and smoke flow resistance is less.
efficiency of the present invention is high, can, according to different operating condition design tube wall temperature, be conducive to controlling dew point corrosion and dust stratification, the problems such as tubular air preheater traditional in solution middle and small burn coal boiler, the easy clog of economizer, heat exchange efficiency are low.
reliability of the present invention is high, flue gas and water, air can be made completely isolated, prevent string wind, leak, even if fume side and water side still isolate after the environment protecting power economizer pipe corrosion and damage of this product, can continue to run, this is the advantage that other energy-saving appliance cannot have.
as occurred, heat exchanger tube perforation then only can reduce the heat transfer of single tube to heat pipe energy saver of the present invention, do not return and cause leaking out, simultaneously dust stratification few, be easy to cleaning, cold fluid and hot fluid is all at heat transfer outside a tube, be convenient to deashing, this equipment configuration has efficient acoustic wave dust remover effectively can control dust stratification, and the equipment long-term stability of guarantee is run.
environmental protection and energy saving of the present invention are profitable, and coal-burning boiler adopts heat pipe energy saver to carry out reducing energy consumption, can improve boiler efficiency 5 ~ 6%, and the maximum remarkable result reaching saving coal consumption 10%, has larger economic benefit and social benefit.
accompanying drawing illustrates:
accompanying drawing 1 is structural representation of the present invention.
accompanying drawing 2 is left views of accompanying drawing 1.
detailed description of the invention:
embodiment 1:
a kind of for coal-burning boiler environmental protection and energy saving heat pipe air preheating device, its composition comprises: support frame device 1, there is above described support frame device preheater mechanism, below described preheater mechanism, air intlet pipe 2 is installed, air preheating area 3 on the left of described preheater device front end, described preheater mechanism upper left is provided with air outlet slit pipe 4, described preheater mechanism upper right is provided with flue gas inlet tube 6, described flue gas inlet tube front end is provided with sonic soot blowing adapter 5, has flue gas heat release zone 7 on the right side of described preheater device front end.。
embodiment 2:
described in embodiment 1 for coal-burning boiler environmental protection and energy saving heat pipe air preheating device, have sidepiece inspection door 8 below described flue gas heat release zone, described preheater actuator base has exhanst gas outlet 9.
embodiment 3:
described in embodiment 1 for coal-burning boiler environmental protection and energy saving heat pipe air preheating device, the rear side of described exhanst gas outlet is provided with shoot door 10, and described shoot door is arranged on the below of described air intlet pipe.
embodiment 4:
a kind of pre-heating mean for coal-burning boiler environmental protection and energy saving heat pipe air preheating device, first this method is that coal-burning boiler exhaust gas temperature is reduced to about 130 DEG C, and boiler feed temperature is brought up to 70 ~ 90 DEG C, coal-fired consumption can reduce 5% ~ 10%, the heat pipe water preheater profile of coal-burning boiler is cuboid external form, inner heat pipe assembly is ZRGS super heat-conductive pipe assembly, preheater mechanism has flue gas heat release zone, described preheater is in-house is furnished with median septum, described preheater mechanism side mask have into, outlet pipe interface, water tank sewage draining exit, condensed water sewage draining exit, sidepiece inspection door, shoot door, enter, go out flue gas interface section composition environmental-protection energy-saving device body, heat pipe water preheater structural shape is that smoke entrance is arranged in the horizontal direction, heat pipe assembly is upright, the equal adapted this type of general boiler, or heat pipe water preheater structural shape is that smoke entrance is vertically arranged, heat pipe assembly level of approximation is arranged, generally be used in transformation project for meeting specific installing space needs,
coal-burning boiler is equipped with automatic sound wave soot cleaning system, and reliable, working service convenience, being the desirable corollary equipment of middle and small burn coal boiler, and can be used for old boiler reducing energy consumption, is the renewal product of old-fashioned economizer.
Claims (4)
1. one kind for coal-burning boiler environmental protection and energy saving heat pipe air preheating device, its composition comprises: support frame device, it is characterized in that: there is above described support frame device preheater mechanism, below described preheater mechanism, air intlet pipe is installed, air preheating area on the left of described preheater device front end, described preheater mechanism upper left is provided with air outlet slit pipe, described preheater mechanism upper right is provided with flue gas inlet tube, described flue gas inlet tube front end is provided with sonic soot blowing adapter, on the right side of described preheater device front end, there is flue gas heat release zone.
2. according to claim 1 for coal-burning boiler environmental protection and energy saving heat pipe air preheating device, it is characterized in that: have sidepiece inspection door below described flue gas heat release zone, described preheater actuator base has exhanst gas outlet.
3. according to claim 1ly it is characterized in that: the rear side of described exhanst gas outlet is provided with shoot door for coal-burning boiler environmental protection and energy saving heat pipe air preheating device, described shoot door is arranged on the below of described air intlet pipe.
4. utilize the pre-heating mean for coal-burning boiler environmental protection and energy saving heat pipe air preheating device described in claim 1-3, it is characterized in that: the method comprises the steps:
First be that coal-burning boiler exhaust gas temperature is reduced to about 130 DEG C, and boiler feed temperature is brought up to 70 ~ 90 DEG C, coal-fired consumption can reduce 5% ~ 10%, the heat pipe water preheater profile of coal-burning boiler is cuboid external form, inner heat pipe assembly is ZRGS super heat-conductive pipe assembly, preheater mechanism has flue gas heat release zone, described preheater is in-house is furnished with median septum, described preheater mechanism side mask have into, outlet pipe interface, water tank sewage draining exit, condensed water sewage draining exit, sidepiece inspection door, shoot door, enter, go out flue gas interface section composition environmental-protection energy-saving device body, heat pipe water preheater structural shape is that smoke entrance is arranged in the horizontal direction, heat pipe assembly is upright, the equal adapted this type of general boiler, or heat pipe water preheater structural shape is that smoke entrance is vertically arranged, heat pipe assembly level of approximation is arranged, generally be used in transformation project for meeting specific installing space needs,
Coal-burning boiler is equipped with automatic sound wave soot cleaning system, and reliable, working service convenience, being the desirable corollary equipment of middle and small burn coal boiler, and can be used for old boiler reducing energy consumption, is the renewal product of old-fashioned economizer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510896118.1A CN105299686A (en) | 2015-12-08 | 2015-12-08 | Environment-friendly and energy-saved heat pipe air preheating device for coal-fired boiler and preheating method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510896118.1A CN105299686A (en) | 2015-12-08 | 2015-12-08 | Environment-friendly and energy-saved heat pipe air preheating device for coal-fired boiler and preheating method |
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| CN105299686A true CN105299686A (en) | 2016-02-03 |
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| CN201510896118.1A Pending CN105299686A (en) | 2015-12-08 | 2015-12-08 | Environment-friendly and energy-saved heat pipe air preheating device for coal-fired boiler and preheating method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123012A (en) * | 2016-06-30 | 2016-11-16 | 禹州市神运机械有限公司 | A kind of vertical heat pipe air preheater |
| CN106152169A (en) * | 2016-07-08 | 2016-11-23 | 彭东林 | A kind of horizontal heat-pipe air preheater |
-
2015
- 2015-12-08 CN CN201510896118.1A patent/CN105299686A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123012A (en) * | 2016-06-30 | 2016-11-16 | 禹州市神运机械有限公司 | A kind of vertical heat pipe air preheater |
| CN106152169A (en) * | 2016-07-08 | 2016-11-23 | 彭东林 | A kind of horizontal heat-pipe air preheater |
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Application publication date: 20160203 |