CN206496353U - A kind of steam air pre-heating system of garbage burning boiler - Google Patents

A kind of steam air pre-heating system of garbage burning boiler Download PDF

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Publication number
CN206496353U
CN206496353U CN201621204308.9U CN201621204308U CN206496353U CN 206496353 U CN206496353 U CN 206496353U CN 201621204308 U CN201621204308 U CN 201621204308U CN 206496353 U CN206496353 U CN 206496353U
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China
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steam
section
pressure
air
water section
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Withdrawn - After Issue
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CN201621204308.9U
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Chinese (zh)
Inventor
庄宇刚
骆华荣
齐国荣
王林
黎毅荣
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GUANGZHONG ENTERPRISE GROUP CO Ltd GUANGZHOU
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GUANGZHONG ENTERPRISE GROUP CO Ltd GUANGZHOU
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Priority to CN201621204308.9U priority Critical patent/CN206496353U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/12Heat utilisation in combustion or incineration of waste
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

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  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The present utility model application discloses a kind of steam air pre-heating system of garbage burning boiler, including oxygen-eliminating device, wind air channel case and four-part form steam type airheater, the four-part form steam type airheater is followed successively by high steam section from top to bottom, low-pressure steam section, high pressure coagulates water section, low pressure coagulates water section, the outlet header and high pressure of the high steam section are communicated with the first pipeline between coagulating the import header of water section, the outlet header and low pressure of the low-pressure steam section are communicated with second pipe between coagulating the import header of water section, drain valve is equipped with first pipeline and second pipe;The high pressure is communicated with the 3rd pipeline between coagulating the outlet header of the solidifying water section of outlet header and low pressure of water section, and the 3rd pipeline is provided with pressure-reducing valve, and the outlet header that the low pressure coagulates water section is connected with oxygen-eliminating device.Compared with prior art, the system capacity usage ratio is higher, the air efficiency of heating surface is high, and the system uses vertical, floor space is saved, beneficial to the integral arrangement of boiler.

Description

A kind of steam air pre-heating system of garbage burning boiler
Technical field
The utility model belongs to garbage burning boiler technical field, more particularly to a kind of steam air of garbage burning boiler Pre-heating system.
Background technology
Power plant burns rubbish in the boiler, and the steam of generation is used to generate electricity and steam supply, is to have at present to garbage disposal One of efficacious prescriptions formula, what is be widely used is fire grate type garbage incineration technology.On the one hand, generated electricity using the intrinsic calorific value of rubbish, be A kind of measure turned waste into wealth, economized on resources;On the other hand, the landfill of rubbish has been greatly reduced, soil has not only been saved Resource, even more greatly reducing pollution of the rubbish to environment.But, if rubbish is not sufficiently burned in boiler, it will Produce a large amount of pernicious gases, not only can severe contamination environment, also increase discharge gas processing cost, while boiler efficiency also will Substantially reduce.In order that the rubbish in boiler fully burns, the air temperature that need to will be fed into boiler brings up to 160 DEG C ~ 220 DEG C, because the flue gas produced after waste incineration generally has corrosivity, to avoid back-end surfaces from corroding, exhaust gas temperature one As control more than 190 DEG C.If heating the method for First air using boiler smoke, it is serious to there is dust stratification in boiler air preheater And the problem of low-temperature corrosion, cause the continuous hours of operation of boiler to be greatly reduced.
At present, boiler is preheated using steam-air pre-heating system more than garbage incinerating power plant, waste incineration and generating electricity The steam-air heating system of factory is that boiler First air is carried out in advance using the steam of boiler-steam dome and the extraction of steam turbine exhaust section Heat, specifically the amount of drawing gas and steam parameter are to be computed what is drawn by the economy of therrmodynamic system.Steam-air at this stage It is evacuated more than heating system using two-part steam-air heater, as shown in Fig. 2 two-part steam-air heater bag Include air channel case, be provided with high pressure section, the heat exchanger tube of low pressure stage in the case of air channel, the two ends of heat exchanger tube be equipped with the big header of import and export and The small header of import and export, is provided with flashing apparatus between high pressure section and low pressure stage, high pressure section and low-pressure end use horizontal arrangement.To sky When gas is heated, high pressure section is drawn gas from boiler-steam dome, and low pressure stage is drawn gas from steam turbine steam discharge section, the condensation of high pressure section Flash steam is added to low pressure stage by water after flashing apparatus to be continued to exchange heat, and is condensed moisture two-way and is transmitted back to oxygen-eliminating device.
There are the following problems during specific use for above-mentioned steam-air pre-heating system:1st, condensate is directly sent Oxygen-eliminating device is returned, the energy of condensate is not utilized, and capacity usage ratio is low;Air is only added by high pressure section and low pressure stage Heat, the efficiency of heating surface is not high;2nd, the horizontal arrangement of above-mentioned steam-air pre-heating system, floor space is larger, is unfavorable for the entirety of boiler Arrangement;3rd, in above-mentioned steam-air pre-heating system, header, flashing apparatus etc. are all located in air channel, make air channel case bulky, High-low pressure section is both needed to set the small header of import and export and the big header of import and export simultaneously, needs to consume substantial amounts of steel during manufacture, just Phase investment is larger;4th, in above-mentioned steam-air pre-heating system, flashing apparatus has been used, and has condensed moisture two-way and has sent oxygen-eliminating device back to, Whole system is complex;5th, in above-mentioned steam-air pre-heating system, the small header of import and export is arranged in air channel, header with Welded between heat exchanger tube, angle welding is arranged in air channel, is colded and heat succeed each other and easily easily ftractureed using process, cause boiler Blowing out.
Utility model content
The purpose of this utility model is providing a kind of steam air pre-heating system of garbage burning boiler, to solve two-part In steam-air pre-heating system, the problem of efficiency of heating surface of air is low, capacity usage ratio is low.
In order to achieve the above object, base case of the present utility model is:A kind of steam air of garbage burning boiler is pre- Hot systems, including oxygen-eliminating device, air channel case and four-part form steam type airheater, the air channel case upper end are provided with air outlet slit pipe, Air channel case lower end is provided with air inlet duct;The high pressure that the four-part form steam type airheater includes being sequentially arranged from top to bottom is steamed The solidifying water section of the solidifying water section of vapour section, low-pressure steam section, high pressure, low pressure, the solidifying water section of the high steam section, low-pressure steam section, high pressure, Low pressure, which is coagulated in water section, is equipped with the heat exchanger tube in the case of air channel, the import header outside the case of air channel and outlet header;It is described The upper end of heat exchanger tube is connected with import header, and the lower end of heat exchanger tube is connected with outlet header;The outlet collection of the high steam section Case and high pressure are communicated with the first pipeline between coagulating the import header of water section, and the outlet header of the low-pressure steam section coagulates water with low pressure It is communicated between the import header of section on second pipe, first pipeline and second pipe and is equipped with drain valve;The high pressure The outlet header and low pressure of solidifying water section are communicated with the 3rd pipeline between coagulating the outlet header of water section, and the 3rd pipeline is provided with decompression Valve, the outlet header that the low pressure coagulates water section is connected with oxygen-eliminating device.
The operation principle of this base case is:When giving the air preheat for being passed through boiler using the system, by air from sky Gas inlet tube is passed through, and air enters air channel case, and by the heating of four-part form steam type airheater, the First air of boiler is preheated Into 160~220 DEG C or so feeding incineration furnace grates.Steam is passed through in the heat exchanger tube of four-part form steam type airheater, is used for The air being passed through in heating air duct case.High steam is passed through in the import header of high steam section, high steam steams into high pressure After the heat exchanger tube of vapour section is preheated to air, condensate clips the outlet header and the first pipe of steam flow high steam section Road, vapor-liquid separation is carried out by drain valve, and the import header that condensate coagulates water section from high pressure enters the heat exchanger tube that high pressure coagulates water section Middle continuation is heated to air.Low-pressure steam is passed through in the import header of low-pressure steam section, low-pressure steam enters low-pressure steam After the heat exchanger tube of section is preheated to air, condensate clips the outlet header and second pipe of steam flow low-pressure steam section, Vapor-liquid separation is carried out by drain valve, the water of condensation is from the import header of the solidifying water section of low pressure enters the heat exchanger tube that low pressure coagulates water section Continuation is preheated to air.The outlet header that the water that high pressure coagulates water section coagulates water section by high pressure flows into the 3rd pipeline, and passes through The decompression of pressurizing valve, after the water for coagulating water section with low pressure is mixed, sends back in oxygen-eliminating device and reuses.
The beneficial effect of this base case is:1st, in the system, because the temperature of high steam section is more than low pressure stage Temperature, the temperature that high pressure coagulates water section is more than the temperature that low pressure coagulates water section, and the temperature of steam segment is more than the temperature of solidifying water section again, therefore It is incremented by successively that low pressure coagulates the solidifying water section of water section, high pressure, low-pressure steam section, the temperature of high steam section.The system is added to air When hot, it is passed through from air channel bottom portion, from the top pass-out of air channel case, air coagulates water section, high pressure by low pressure and coagulates water section, low-pressure steam Section, the heat exchanger tube of high steam section are heated successively, and the efficiency of heating surface of air is higher, heating effect is more preferable.2nd, in the system fully The energy of condensate is make use of, makes capacity usage ratio higher.3rd, in the system, because the air for being passed through air channel case is added successively Heat so that equipment is in smaller temperature difference environment, is effectively prevented equipment and is damaged.4th, in the system, the first pipeline and Two pipelines are provided with drain valve, and its main function is to avoid steam from entering solidifying water section, it is ensured that it is saturation water to enter solidifying water section, due to Solidifying water section pressure is low compared with steam segment, can produce part flash steam, the heat transfer effect of the solidifying water section of increase.5th, in the system, four sections Each segment structure of formula steam type airheater uses vertical, greatlys save floor space, is conducive to the integral arrangement of boiler. 6th, the system is according to the design feature of boiler air system, using the counter-flow arrangement side of air bottom in and top out, steam upper entering and lower leaving Formula, ensure heat-transfer effect while, also use after steam condensation by gravity can automatic back flow to subordinate equipment the characteristics of, Reduce the drag losses in system flow.7th, the system eliminates flashing apparatus and the small collection of each section of import and export in design Case, makes the steam of high pressure section and low pressure stage be condensed into after saturation water and respectively enters respective condensation segment, after condensation segment is cooled to Send back in oxygen-eliminating device and reuse, not only reduce the complexity of system while also saving the manufacturing expenses of flashing apparatus With, reduce initial stage cost of investment.Compared with prior art, the system capacity usage ratio is higher, the air efficiency of heating surface is high, overall Simple in construction, four-part form steam type airheater uses vertical, greatly reducing floor space, facilitates the whole of boiler Body is arranged.
Preferred scheme one:Based on scheme preferred, in addition to boiler-steam dome and steam turbine, the high steam section Import header is connected with boiler-steam dome, and the import header of the low-pressure steam section is connected with steam turbine.Steam in boiler-steam dome For high steam, high steam section is drawn gas from boiler-steam dome;Steam in steam turbine is low-pressure steam, and low-pressure steam section is from steamer Drawn gas in machine, make the system make full use of existing energy to heat air.
Preferred scheme two:Based on scheme it is preferred, the heat exchanger tube be helical fin coiled pipe.Helical fin is snakelike Pipe can increase the heat exchange area in the case of air channel, preferably improve air heat-exchange effect.
Preferred scheme three:Preferably two it is preferred, the horizontal part of the heat exchanger tube is along steam or condensate Flow direction tilts down 3 ° -5 °.Heat exchanger tube is coiled pipe and vertical placement, therefore heat exchanger tube includes horizontal part and vertical Part.Said structure can make the condensate that heat exchanger tube is produced during being exchanged heat past along heat exchanger tube by self gravitation Lower flowing, the condensate being prevented effectively from heat exchanger tube is deposited in heat exchanger tube, moreover it is possible to accelerate the hydrophobic speed in heat exchanger tube.Condense When water flows through the corner of heat exchanger tube, if condensate can not be along heat exchanger tube to flowing down, water can then exchange thermotube wall slap, should Structure can prevent from producing " water attack " phenomenon during steam is condensed.
Preferred scheme four:Preferably three it is preferred, heat exchanger tube in high steam section, low-pressure steam section with The heat exchanger tube that high pressure coagulates the solidifying water section of water section, low pressure is arranged vertically.Because high steam section outlet header and high pressure coagulate entering for water section Mouthful header is by the first pipeline communication, and the import header that low-pressure steam section outlet header coagulates water section with low pressure is connected by second pipe It is logical;The heat exchanger tube that high steam section, the heat exchanger tube in low-pressure steam section and high pressure coagulate the solidifying water section of water section, low pressure is arranged vertically, can It is easy to the arrangement of outlet header and import header.
Preferred scheme five:Preferably preferred, the heat exchanger tube and inlet header of any one of two-preferred scheme four Case, outlet header are welded, and the weld seam of welding is located at outside the case of air channel.If weld seam is located inside the case of air channel, inside and outside heat exchanger tube Excessive temperature differentials, weld seam will ftracture because colding and heat succeed each other, and influence the service life of four-part form steam type airheater.
Preferred scheme six:Preferably five it is preferred, high steam section, low-pressure steam section, high pressure coagulate water section, Low pressure is coagulated is respectively provided with manhole door on the air channel tank wall between water section adjacent segment.The system is in use, it is necessary to inspect periodically Repair, manhole door can be easy to the maintenance of the system.
Preferred scheme seven:Preferably five preferred, the air inlet duct, the weldering of air outlet slit Guan Junyu air channels case Connect.Air inlet duct and air outlet slit pipe can very be firmly fixed to the top and bottom of air channel case by welding processing.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the steam air pre-heating system embodiment of garbage burning boiler of the utility model;
Fig. 2 is the fundamental diagram of two-period form steam-air pre-heating system;
Fig. 3 is a kind of fundamental diagram of the steam air pre-heating system embodiment of garbage burning boiler of the utility model.
Embodiment
The utility model is described in further detail below by embodiment:
Reference in Figure of description includes:Air channel case 10, air inlet duct 20, air outlet slit pipe 21, heat exchanger tube 30th, import header 31, outlet header 32, the first pipeline 40, second pipe 41, drain valve 50.
As shown in figure 1, a kind of steam air pre-heating system of garbage burning boiler, including air channel case 10, under air channel case 10 Air inlet duct 20 has been welded at end, and the upper end of air channel case 10, which has been welded, is provided with four-part form steaming in air outlet slit pipe 21, air channel case 10 Vapour air preheater.Four-part form air preheater includes the high steam section, low-pressure steam section, high pressure being sequentially arranged from top to bottom Solidifying water section, low pressure coagulate water section, and high steam section, low-pressure steam section, high pressure are coagulated water section, low pressure and coagulated to be included being located at air channel in water section Heat exchanger tube 30 in case 10, the import header 31 outside air channel case 10 and outlet header 32;The upper end of heat exchanger tube 30 and import Header 31 is connected, and the lower end of heat exchanger tube 30 is connected with outlet header 32.The import header 31 of high steam section connects with boiler-steam dome Logical, the import header 31 of low-pressure steam section is connected with steam turbine, is come from high steam section steam and is drawn gas with boiler-steam dome, low pressure Steam segment steam comes from and extracted steam from turbine.
The outlet header 32 and high pressure of high steam section are communicated with the first pipeline 40 between coagulating the import header 31 of water section, low The outlet header 32 and low pressure of steam segment is pressed to be communicated with second pipe 41, the He of the first pipeline 40 between coagulating the import header 31 of water section Drain valve 50 is provided with second pipe 41, drain valve 50 is used to the water of steam segment and vapour carrying out vapor-liquid separation, will condensed Water is passed through solidifying water section.High pressure is communicated with the 3rd pipe between coagulating the outlet header 32 of the solidifying water section of outlet header 32 and low pressure of water section Road, the 3rd pipeline is provided with pressure-reducing valve, and pressure-reducing valve depressurizes the water that high pressure coagulates water section.Low pressure coagulates the outlet header 32 of water section with removing Oxygen device is connected, and water will be recycled after entering oxygen-eliminating device.
Heat exchanger tube 30 in four-part form steam type airheater uses helical fin coiled pipe, and the horizontal portion of heat exchanger tube 30 Divide and tilt down 3 ° of -5 ° of angles along steam or condensate flow direction;It is to avoid heat exchanger tube using the purpose of this kind of structure type Condensate is deposited in 30, and water attack is produced during steam is condensed;Hydrophobic speed can also be increased using the structure simultaneously, favorably In effective utilization of heat exchange area.For the ease of each section of import header 31 and outlet header 32 in four-part form steam type airheater Discharge, the pipe of heat exchanger tube 30 of the heat exchanger tube 30 of steam segment and condensed water section is arranged vertically.
Heat exchanger tube 30 is welding with import header 31, the connectivity part of outlet header 32, and the position of welding is located at air channel case 10 It is outside;Avoid the weld seam of welding from being colded and heat succeed each other and ftractureed in air channel case 10, influence the service life of the system.High pressure is steamed Vapour section, low-pressure steam section, high pressure are coagulated is respectively provided with manhole door, people on the wall of air channel case 10 between the solidifying water section adjacent segment of water section, low pressure It is bolted between the tank wall of Kong Menyu air channels case 10, manhole door is primarily to convenient repair to equipment inspection.
When it is implemented, as shown in figure 3, it is saturation that pressure is 4.4MPa or so that high steam section is extracted from boiler-steam dome Steam, the heat exchanger tube 30 that saturated vapor enters high steam section is heated to the air in air channel case 10, and saturated vapor is right Air can form condensate of the pressure for 4.0MPa or so during being heated, condensate is under gravity along heat exchange Pipe 30 flows into the first pipeline 40.The condensate that 50 pairs of drain valve flows through the first pipeline 40 carries out vapor-liquid separation, makes the condensation of saturation Water is passed through high pressure and coagulates water section.Condensate, which enters after high pressure coagulates water section, to be continued to heat the air in air channel case 10, condensate The condensate that pressure is 1.3MPa or so is formed after being heated to air.Condensate is under gravity along the convection current of heat exchanger tube 30 Enter the 3rd pipeline, it is the condensate that 0.4MPa temperature is 90 DEG C that pressure-reducing valve, which is depressurized to pressure to the condensate for flowing through the 3rd pipeline,.
Low-pressure steam section extracts the superheated steam that pressure is 1.3MPa or so from steam turbine latter end, and steam enters low-pressure steam The heat exchanger tube 30 of section is heated to the air in air channel case 10, and steam can form pressure during being heated to air For 1.0MPa or so condensate, condensate flows into second pipe 41 along heat exchanger tube 30 under gravity.50 pairs of drain valve The condensate for flowing through second pipe 41 carries out vapor-liquid separation, the condensate of saturation is passed through low pressure and coagulates water section.Condensate enters low Continue to heat the air in air channel case 10 after the solidifying water section of pressure, condensate forms pressure after heating air and is 0.4MPa or so, temperature are 90 DEG C or so of condensate.Condensate under gravity along 30 pairs of heat exchanger tube the 3rd pipelines of inflow, The condensate for coagulating water section with high pressure converges, and sends recycling in oxygen-eliminating device back to.Pressure-reducing valve is to flowing through the condensate of the 3rd pipeline It is the condensate that 0.4MPa temperature is 90 DEG C to be depressurized to pressure.
When giving the air preheat for being passed through boiler using the system, air blower is arranged at air inlet duct 20, by air blast 23 DEG C or so of the air that machine comes out enters in air channel case 10 from air inlet duct 20.Air sequentially passes through low pressure and coagulated from bottom to up Water section, high pressure are coagulated water section, low-pressure steam section, the heat exchanger tube 30 of high steam section and heated, and temperature reaches 220 DEG C or so, by sky Gas outlet discharge.The air discharged at air outlet slit pipe 21 is passed through in garbage burning boiler, the rubbish in boiler is fully fired Burn.
Above-described is only that the known general knowledge such as concrete structure and characteristic is herein in embodiment of the present utility model, scheme Excessive description is not made.It should be pointed out that for those skilled in the art, not departing from the premise of the utility model system Under, several modifications and improvements can also be made, these should also be considered as protection domain of the present utility model, and these are all without influence Effect and practical applicability that the utility model is implemented.This application claims protection domain should be with the content of its claim It is defined, embodiment in specification etc. records the content that can be used for explaining claim.

Claims (8)

1. a kind of steam air pre-heating system of garbage burning boiler, including oxygen-eliminating device and air channel case, it is characterised in that also include Four-part form steam type airheater, the air channel case upper end is provided with air outlet slit pipe, and air channel case lower end is provided with air inlet duct;Institute State four-part form steam type airheater include be sequentially arranged from top to bottom high steam section, low-pressure steam section, high pressure coagulate water section, Low pressure coagulates water section, and the solidifying water section of the high steam section, low-pressure steam section, high pressure, low pressure are coagulated and is equipped with water section positioned at air channel case Interior heat exchanger tube, the import header outside the case of air channel and outlet header;The upper end of the heat exchanger tube is connected with import header, is changed The lower end of heat pipe is connected with outlet header;The outlet header and high pressure of the high steam section connect between coagulating the import header of water section The first pipeline is connected with, the outlet header and low pressure of the low-pressure steam section are communicated with the second pipe between coagulating the import header of water section Drain valve is equipped with road, first pipeline and second pipe;The high pressure coagulates the outlet header of water section and low pressure coagulates water section Outlet header between be communicated with the 3rd pipeline, the 3rd pipeline is provided with pressure-reducing valve, the low pressure coagulate the outlet header of water section with Oxygen-eliminating device is connected.
2. the steam air pre-heating system of a kind of garbage burning boiler as claimed in claim 1, it is characterised in that also including pot Stove drum and steam turbine, the import header of the high steam section are connected with boiler-steam dome, the inlet header of the low-pressure steam section Case is connected with steam turbine.
3. a kind of steam air pre-heating system of garbage burning boiler as claimed in claim 1, it is characterised in that the heat exchange Manage as helical fin coiled pipe.
4. a kind of steam air pre-heating system of garbage burning boiler as claimed in claim 3, it is characterised in that the heat exchange The horizontal part of pipe tilts down 3 ° -5 ° along steam or condensate flow direction.
5. a kind of steam air pre-heating system of garbage burning boiler as claimed in claim 4, it is characterised in that the high pressure The heat exchanger tube that steam segment, the heat exchanger tube in low-pressure steam section and high pressure coagulate the solidifying water section of water section, low pressure is arranged vertically.
6. a kind of steam air pre-heating system of garbage burning boiler as described in claim any one of 3-5, it is characterised in that The heat exchanger tube is welded with import header, outlet header, and the weld seam of welding is located at outside the case of air channel.
7. a kind of steam air pre-heating system of garbage burning boiler as claimed in claim 6, it is characterised in that the high pressure Steam segment, low-pressure steam section, high pressure are coagulated is respectively provided with manhole door on the air channel tank wall between the solidifying water section adjacent segment of water section, low pressure.
8. a kind of steam air pre-heating system of garbage burning boiler as claimed in claim 4, it is characterised in that the air Inlet tube, the welding of air outlet slit Guan Junyu air channels case.
CN201621204308.9U 2016-11-08 2016-11-08 A kind of steam air pre-heating system of garbage burning boiler Withdrawn - After Issue CN206496353U (en)

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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106439901A (en) * 2016-09-30 2017-02-22 上海双木散热器制造有限公司 Drawer type air preheater
CN106439855A (en) * 2016-11-08 2017-02-22 广州广重企业集团有限公司 Steam air preheating system of waste incineration boiler
CN107990348A (en) * 2017-12-30 2018-05-04 上海康恒环境股份有限公司 A kind of two-part steam type airheater
CN108194821A (en) * 2018-01-02 2018-06-22 武汉都市环保工程技术股份有限公司 Garbage incinerating power plant high pressure draining system
CN112594664A (en) * 2020-12-16 2021-04-02 上海康恒环境股份有限公司 Intelligent hydrophobic steam-air preheater system and automatic control method thereof
CN113958956A (en) * 2021-09-28 2022-01-21 浙江工业大学 Portable, pollution-free and outdoor low-temperature garbage disposer capable of generating power

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106439901A (en) * 2016-09-30 2017-02-22 上海双木散热器制造有限公司 Drawer type air preheater
CN106439901B (en) * 2016-09-30 2018-07-10 上海双木散热器制造有限公司 Drawer regenerative air heater
CN106439855A (en) * 2016-11-08 2017-02-22 广州广重企业集团有限公司 Steam air preheating system of waste incineration boiler
CN107990348A (en) * 2017-12-30 2018-05-04 上海康恒环境股份有限公司 A kind of two-part steam type airheater
CN108194821A (en) * 2018-01-02 2018-06-22 武汉都市环保工程技术股份有限公司 Garbage incinerating power plant high pressure draining system
CN108194821B (en) * 2018-01-02 2024-03-26 中冶南方都市环保工程技术股份有限公司 High-pressure drainage system of garbage incineration power plant
CN112594664A (en) * 2020-12-16 2021-04-02 上海康恒环境股份有限公司 Intelligent hydrophobic steam-air preheater system and automatic control method thereof
CN113958956A (en) * 2021-09-28 2022-01-21 浙江工业大学 Portable, pollution-free and outdoor low-temperature garbage disposer capable of generating power

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