CN103471132A - Energy-saving heat-insulating temperature-reducing device and method for civil sludge incinerator - Google Patents
Energy-saving heat-insulating temperature-reducing device and method for civil sludge incinerator Download PDFInfo
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- CN103471132A CN103471132A CN201310409750XA CN201310409750A CN103471132A CN 103471132 A CN103471132 A CN 103471132A CN 201310409750X A CN201310409750X A CN 201310409750XA CN 201310409750 A CN201310409750 A CN 201310409750A CN 103471132 A CN103471132 A CN 103471132A
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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
Abstract
The invention relates to an energy-saving heat-insulating temperature-reducing device and method for a civil sludge incinerator. The energy-saving heat-insulating temperature-reducing device comprises an incinerator body, a silencer, a fan, a primary pre-heater and a secondary pre-heater, wherein a first manual valve and a fan pneumatic adjusting valve are connected onto an air inlet pipeline of the fan, the secondary pre-heater is connected with an air distribution pipe inside the incinerator body through a pipe, and a plurality of spray nozzles are arranged at the bottom of the air distribution pipe. The outer wall of the incinerator body is provided with a fireproof material layer, a hollow heat-preservation interlayer with the open bottom is sleeved on the fireproof material layer, the inner wall of the hollow heat-preservation interlayer is provided with a heat-preservation layer, a cooling air annular header pipe communicated with the hollow heat-preservation interlayer is arranged at the top of the incinerator body, and an air outlet of the cooling air annular header pipe is connected onto a connecting pipe between the first manual valve and the fan pneumatic adjusting valve. The energy-saving heat-insulating temperature-reducing device reduces energy consumption and the cost and meanwhile has the advantages of being safe and environmental-friendly and saving energy.
Description
Technical field
The present invention relates to a kind of heat sink of the energy-saving heat-insulating for the municipal sludge incinerator and method thereof, belong to environmental technology field.
Background technology
Along with the quickening of Urbanization in China, treatment rate of domestic sewage improves year by year, and the sludge yield of municipal sewage plant also sharply increases.After the mud entered environment of suitably processing, bring secondary pollution directly can to water body and atmosphere, not only reduced the effective processing capacity of sewage disposal system, and ecological environment and mankind's activity have been formed to serious threat.
At present, the method for disposal of mud is mainly landfill, compost is agricultural and burn three kinds.Sludge landfill is larger to the land resource waste, and all easily environment is caused to secondary pollution in transportation and the percolate in landfill yard; When sludge composting or composite microbe fertilizer processed, due to heavy metal and the harmful substance that can not effectively remove in mud, heavy metal ion, easily at the soil and plant cylinder accumulation, is restricted the soil utilization.Dried mud can produce the heat energy of 16.65-20.93MJ/t, is a kind of low-calorie fuel, and the lime-ash after burning can not cause secondary pollution.Therefore, in the sludge treatment field, sludge anhydration burning is a kind of technology of current national environmental protection recommendation, and range of application is wider, is applicable to processing the municipal sludge of China's different qualities.
Nucleus equipment-the incinerator of sludge incineration technique, be a kind of by waste gas, waste liquid, solid waste: routine toxic gas (tail gas sprays paint), mud, medical waste, life waste product, spoil etc. carry out high temperature incineration, reach and quantize a kind of environmental protection equipment that number reduces or dwindles, reach a kind of product that utilizes part to burn the heat energy of medium simultaneously.At present, the application of industrial incinerator field of Environment Protection is very extensive.
As everyone knows, the energy is the important substance basis that people are produced and depend on for existence, there is no the enough energy, just there is no productivity and scientific and technical development, just there is no modern society.Along with the development of China's economic, energy resources day is becoming tight in recent years, and country starts to advocate energetically energy-conserving and environment-protective and promotes energy-conserving and emission-cutting technology.Therefore take effective measures industrial incinerator is carried out energy-conservation, to improving energy utilization rate, significant.Along with further carrying out of energy conservation, various novel, energy-conservation advanced person's the incinerator type of furnace is gradually improved, and by adopting Mist heat recovering greatly to reduce heat loss due to exhaust gas, but slow about the technical development that reduces the incinerator heat radiation.Although there are some heat insulating materials can reduce radiation loss, incinerator radiation loss rate is not generally 1%-2% yet.
Domestic a lot of sludge incineration engineerings adopt external burning facility at present, equipment manufactures and designs and meets its country one belongs to's design standard, for example U.S.'s design incinerator outside wall temperature is 100 degrees centigrade of left and right, day the design incinerator outside wall temperature is 80 degrees centigrade of left and right, all higher than the designing requirement of 60 degrees centigrade, China, therefore certainly will carry out design improvement to introducing incinerator, so that it meets the GB requirement.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of heat sink of the energy-saving heat-insulating for the municipal sludge incinerator and method thereof, device directly reduces the incinerator outside wall temperature and the heat that will dispel the heat recycles, and when reducing costs, makes the energy efficiently be utilized.
Energy-saving heat-insulating for municipal sludge incinerator heat sink of the present invention, comprise the incinerator body of heater, muffler, blower fan, one-level preheater and secondary preheater, between muffler and blower fan, between blower fan and one-level preheater and between one-level preheater and secondary preheater, all by pipeline, be connected, connect first-hand movable valve and blower fan pneumatic control valve door on the air inlet pipeline of blower fan, the secondary preheater is connected with the air distribution pipe of incinerator body of heater inside by pipeline, the bottom of air distribution pipe is provided with some nozzles, on the incinerator furnace body outer wall, refractory masses is set, be arranged with the hollow insulation interlayer of bottom-open formula on refractory masses, hollow insulation interlayer inwall is provided with adiabator layer, the top of incinerator body of heater is provided with the cooling air annular house steward who is communicated with the hollow insulation interlayer, cooling air annular house steward's air outlet is connected on the connecting line between first-hand movable valve and blower fan pneumatic control valve door by pipeline.
Energy-saving heat-insulating for municipal sludge incinerator heat sink of the present invention, connecting line flowmeter on the air inlet pipeline of described one-level preheater.
Energy-saving heat-insulating for municipal sludge incinerator heat sink of the present invention, described cooling air annular house steward's bottom has four air inlets that are communicated with hollow insulation interlayer internal cavities.
Energy-saving heat-insulating for municipal sludge incinerator heat sink of the present invention, described cooling air annular house steward's top exit place is provided with the ring main operated pneumatic valve.
Energy-saving heat-insulating for municipal sludge incinerator heat sink of the present invention, the air outlet pipeline in described cooling air annular house steward left side is provided with second-hand's movable valve.
Energy-saving heat-insulating for municipal sludge incinerator cool-down method of the present invention comprises the following steps:
1) open first-hand movable valve, second-hand's movable valve and blower fan pneumatic control valve door, regulate the intake of pipeline flowmeter, under the swabbing action of blower fan, air is entered by hollow insulation interlayer bottom on the spot, and the air after heating enters blower fan inside after being discharged by cooling air annular house steward together with the process air of muffler;
2) air after the heating enters one-level preheater inside under the swabbing action of blower fan, enters secondary preheater inside after the one-level preheater is heated;
3) air of secondary preheater after heating entered in air distribution pipe and by nozzle and blown out with certain speed by pipeline, thereby the bottom bed of incinerator body of heater inside is " boiling " state, produce a fluid bed that about 2-2.5m is high, guaranteed quartz sand fluidization and material burning.
Compared with prior art beneficial effect of the present invention is:
1) heat dissipation capacity of environment descended, ventilation equipment reduce, and meet the outer requirement be incubated lower than 50 ℃ of incinerator;
2) save the energy, in the situation that guarantee the incinerator external temperature, heat radiation is recycled, save 41% heat;
3) reduce energy consumption, by the incinerator heat energy minimizing incinerator fluidization air heating energy source of dispel the heat;
4) energy consumption is low, and economic benefit is high, compares energy-conserving and environment-protective with other heat preserving method good in economic efficiency.
The accompanying drawing explanation
Fig. 1 is the structural representation of the described a kind of heat sink of the energy-saving heat-insulating for the municipal sludge incinerator of the embodiment of the present invention;
Fig. 2 is the top view of the described a kind of heat sink of the energy-saving heat-insulating for the municipal sludge incinerator incinerator body of heater of the embodiment of the present invention;
Fig. 3 is method flow diagram of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for the present invention is described, but are not used for limiting the scope of the invention.
As Fig. 1, Fig. 2, shown in Fig. 3, a kind of heat sink of the energy-saving heat-insulating for the municipal sludge incinerator, comprise incinerator body of heater 1, muffler 2, blower fan 3, one-level preheater 4 and secondary preheater 5, between muffler 2 and blower fan 3, between blower fan 3 and one-level preheater 4 and between one-level preheater 4 and secondary preheater 5, all by pipeline, be connected, connect first-hand movable valve 6 and blower fan pneumatic control valve door 7 on the air inlet pipeline of blower fan 3, secondary preheater 5 is connected with the air distribution pipe 8 of incinerator body of heater 1 inside by pipeline, the bottom of air distribution pipe 8 is provided with some nozzles, on incinerator body of heater 1 outer wall, refractory masses is set, be arranged with the hollow insulation interlayer 9 of bottom-open formula on refractory masses, hollow insulation interlayer 9 inwalls are provided with adiabator layer, the top of incinerator body of heater 1 is provided with the cooling air annular house steward 10 who is communicated with hollow insulation interlayer 9, cooling air annular house steward's 10 air outlet is connected on the connecting line between first-hand movable valve 6 and blower fan pneumatic control valve door 7 by pipeline.
Energy-saving heat-insulating for municipal sludge incinerator heat sink of the present invention, connecting line flowmeter 11 on the air inlet pipeline of described one-level preheater 4.
Energy-saving heat-insulating for municipal sludge incinerator heat sink of the present invention, described cooling air annular house steward's 10 bottom has four air inlets that are communicated with hollow insulation interlayer 9 internal cavities.
Energy-saving heat-insulating for municipal sludge incinerator heat sink of the present invention, described cooling air annular house steward's 10 top exit place is provided with ring main operated pneumatic valve 12.
Energy-saving heat-insulating for municipal sludge incinerator heat sink of the present invention, the air outlet pipeline in described cooling air annular house steward 10 left sides is provided with second-hand's movable valve 13.
Energy-saving heat-insulating for municipal sludge incinerator cool-down method of the present invention comprises the following steps:
1) open first-hand movable valve 6, second-hand's movable valve 13 and blower fan pneumatic control valve door 7, regulate the intake of pipeline flowmeter 11, under the swabbing action of blower fan 3, air is entered by hollow insulation interlayer 9 bottoms on the spot, and the air after heating enters blower fan 3 inside after being discharged by cooling air annular house steward 10 together with the process air of muffler 2;
2) air after the heating enters one-level preheater 4 inside under the swabbing action of blower fan 3, enters secondary preheater 5 inside after one-level preheater 4 is heated;
3) air of secondary preheater 5 after heating entered in air distribution pipe 8 and blown out with certain speed by nozzle by pipeline, thereby the bottom bed of incinerator body of heater 1 inside is " boiling " state, produce a fluid bed that about 2-2.5m is high, guaranteed quartz sand fluidization and material burning.
Energy-saving heat-insulating for municipal sludge incinerator heat sink of the present invention is when concrete the use, and incinerator cooled enclosure body is placed between incinerator refractory masses and adiabator layer, and around incinerator body of heater one week, the lower open formula, directly be communicated with atmosphere, in straight section district, incinerator body of heater top, cooling air annular house steward is set, around the body of heater top one week, blower fan through the cooling air pipeline by the hollow insulation interlayer in air extract out, enter blower fan together with a process wind of muffler, guide to the one-level preheater under fan action, through one-level, preheating is heated and is entered the secondary preheater, the secondary preheater is given vent to anger and is passed into from incinerator bottom air distribution pipe, and blown out downwards by the nozzle that is installed on the air distribution pipe below with certain speed, thereby bed is " boiling " state, produced the fluid bed of an about 2-2.5m, guarantee quartz sand fluidization and material burning.Blower fan is controlled by first-hand movable valve and second-hand's movable valve, and the intake of blower fan is by blower fan pneumatic control valve door and pipeline flowmeter interlocked control.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (6)
1. the heat sink of the energy-saving heat-insulating for the municipal sludge incinerator, comprise incinerator body of heater (1), muffler (2), blower fan (3), one-level preheater (4) and secondary preheater (5), it is characterized in that: between described muffler (2) and blower fan (3), between blower fan (3) and one-level preheater (4) and between one-level preheater (4) and secondary preheater (5), all by pipeline, be connected, connect first-hand movable valve (6) and blower fan pneumatic control valve door (7) on the air inlet pipeline of blower fan (3), by pipeline, the air distribution pipe (8) inner with incinerator body of heater (1) is connected secondary preheater (5), the bottom of air distribution pipe (8) is provided with some nozzles, on incinerator body of heater (1) outer wall, refractory masses is set, be arranged with the hollow insulation interlayer (9) of bottom-open formula on refractory masses, hollow insulation interlayer (9) inwall is provided with adiabator layer, the top of incinerator body of heater (1) is provided with the cooling air annular house steward (10) who is communicated with hollow insulation interlayer (9), cooling air annular house steward's (10) air outlet is connected on the connecting line between first-hand movable valve (6) and blower fan pneumatic control valve door (7) by pipeline.
2. the heat sink of the energy-saving heat-insulating for the municipal sludge incinerator according to claim 1, is characterized in that: connecting line flowmeter (11) on the air inlet pipeline of described one-level preheater (4).
3. the heat sink of the energy-saving heat-insulating for the municipal sludge incinerator according to claim 1 is characterized in that: described cooling air annular house steward's (10) bottom has four air inlets that are communicated with hollow insulation interlayer (9) internal cavities.
4. the heat sink of the energy-saving heat-insulating for the municipal sludge incinerator according to claim 1 is characterized in that: described cooling air annular house steward's (10) top exit place is provided with ring main operated pneumatic valve (12).
5. the heat sink of the energy-saving heat-insulating for the municipal sludge incinerator according to claim 1 is characterized in that: the air outlet pipeline in described cooling air annular house steward (10) left side is provided with second-hand's movable valve (13).
6. the cool-down method of the energy-saving heat-insulating for the municipal sludge incinerator, is characterized in that, comprises the following steps:
1) open first-hand movable valve, second-hand's movable valve and blower fan pneumatic control valve door, regulate the intake of pipeline flowmeter, under the swabbing action of blower fan, air is entered by hollow insulation interlayer bottom on the spot, and the air after heating enters blower fan inside after being discharged by cooling air annular house steward together with the process air of muffler;
2) air after the heating enters one-level preheater inside under the swabbing action of blower fan, enters secondary preheater inside after the one-level preheater is heated;
3) air of secondary preheater after heating entered in air distribution pipe and by nozzle and blown out with certain speed by pipeline, thereby the bottom bed of incinerator body of heater inside is " boiling " state, produce a fluid bed that about 2-2.5m is high, guaranteed quartz sand fluidization and material burning.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042576A (en) * | 2015-07-13 | 2015-11-11 | 杭州海森达科技有限公司 | Efficient combustion device and method with biomass serving as fuel |
| CN105509040A (en) * | 2014-09-27 | 2016-04-20 | 华能泰安众泰发电有限公司 | Anti-blocking transformation method of material returner fluidization wind pipe |
| CN105674277A (en) * | 2016-03-21 | 2016-06-15 | 安徽未名生物环保有限公司 | Waste combustion equipment capable of achieving efficient gas circulation |
| CN107655332A (en) * | 2017-10-26 | 2018-02-02 | 江苏鑫贝诺冶金机械有限公司 | A kind of metallurgical furnace |
| CN111023132A (en) * | 2019-12-12 | 2020-04-17 | 新昌县三维精工机械有限公司 | Boiler waste heat recovery method and device convenient for connecting multiple devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111023132A (en) * | 2019-12-12 | 2020-04-17 | 新昌县三维精工机械有限公司 | Boiler waste heat recovery method and device convenient for connecting multiple devices |
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| CN103471132B (en) | 2016-06-01 |
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Address after: 100027 Beijing city Chaoyang District Gongti North Road No. 4 Patentee after: BMEI CO., LTD. Patentee after: Tsukishima Kikai Co., Ltd. Address before: 100027 Beijing city Chaoyang District Gongti North Road No. 4 Patentee before: High Technologies Co., Ltd., Beijing Electromechanical Academy Patentee before: Tsukishima Kikai Co., Ltd. |