CN202303304U

CN202303304U - Steam generation device

Info

Publication number: CN202303304U
Application number: CN2011203894741U
Authority: CN
Inventors: 李中伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-10-13
Filing date: 2011-10-13
Publication date: 2012-07-04
Anticipated expiration: 2021-10-13

Abstract

The utility model discloses a steam generation device, which comprises a steam generation host, wherein the steam generation host comprises a shell, a combustion chamber and a steam chamber which are arranged in the shell, and a heat conduction device which is arranged above the combustion chamber; the heat conduction device comprises an upper end cover, a lower end cover and a plurality of heat conduction pipes which are fixed between the upper end cover and the lower end cover and arranged in vertical direction; through holes are formed in areas, corresponding to pipe orifices of the heat conduction pipes, on the upper end cover and the lower end cover; and a heat-preserving material layer is arranged on the shell. By adoption of the steam generation device, heat is dissipated by the heat conduction pipes and then transferred to water liquid, so fuel heat can be fully utilized, and energy consumption is reduced. The steam generation device has the advantages of high efficiency, energy saving, environment friendliness, low carbon and emission reduction.

Description

Steam raising plant

Technical field

The utility model relates to the steam generation technical field, is a kind of steam raising plant specifically.

Background technology

Boiler is the important device in daily life and the commercial production, for example at some hotels, hospital, dwelling house, and in the commercial production such as food, clothing, brickmaking, chemical industry, pharmacy, heating, power plant, often need use boiler.The conventional boiler of prior art to energy-saving and emission-reduction, service life, aspect safe in utilization consider less, exist use cost high, pollute big, dangerous high, shortcoming such as the life-span is short, design is unreasonable, below be elaborated.

There is following shortcoming in the boiler of prior art:

1, boiler of the prior art is to fuel Btu utilization science not, and general heat utilization ratio is less than 20%-30%.

2, boiler of the prior art, the heat of discharging is big, and stack temperature is high;

3, boiler of the prior art, owing to discharging is not handled especially, thereby the discharging jet-black, particle spreads in the air, causes environmental pollution;

4, boiler of the prior art, heat-generating pipe are in long-term use, and inner meeting produces dirt, and mostly the heat-generating pipe nexine is incrustation scale, and producer uses chemical detergent to remove the nexine dirt mostly, but heat-generating pipe outside crock is felt simply helpless, and use and waste fuel more for a long time more.

5, boiler of the prior art is short service life, and existing boiler generally adopts steel plate or boiler specialized version.As everyone knows, steel plate is prone to get rusty, and pluralities of fuel can produce sulphur, a kind of chemical substance that sulphur is the fastest to metal erosion in burning.

6, boiler of the prior art is long more more dangerous service time, can produce safety issue.Conventional boiler is the life-span weak point not only, and use cost is high, and danger is also higher.The corrosion delamination can make the furnace wall attenuation, increases dangerous.The corrosion thing can stop up safety valve system or venthole etc., and aggravation is dangerous.Mostly the corrosion thing is deposited in boiler tube, and water can't be got into, and produces caususly, burns boiler tube and leaks and cause scrapping;

7, boiler grate of the prior art damages easily; The structure of the fire grate that below the combustion chamber, is provided with is a solid construction; Fire grate the situation of fire grate distortion, fuel refining slag often occurs because the heat that gathers is high, has a strong impact on the abundant burning of fuel; Cause the consumption of fuel to burn out fire grate greatly and easily, the service life of fire grate is short.

The utility model content

In view of this, the purpose of the utility model provides a kind of steam raising plant, improves the utilization rate of fuel heat.

For solving the problems of the technologies described above, the technical scheme of the utility model is:

A kind of steam raising plant; Comprise the steam generation main frame; Said steam generation main frame comprises housing, be arranged on combustion chamber, vaporium in the housing, be arranged on the heat-transfer device of top, combustion chamber; Said heat-transfer device comprise upper end cover and bottom end cover and be fixed on upper end cover and bottom end cover between the heat pipe of a plurality of vertical settings, zone corresponding with the heat pipe mouth of pipe on said upper end cover and the bottom end cover is provided with through hole, housing is provided with adiabator layer outward.

Preferably, the inside of said heat pipe longitudinally is provided with a plurality of transverse tubes, is cross between adjacent two transverse tubes and is crisscross arranged, the tube wall conducting of said transverse tube and heat pipe.

Preferably, said heat-transfer device also is provided with Yi Huogai, and said fire lid is incumbent on the end cap, and said fire covers and is provided with steam outlet pipe, with the space and the vaporium conducting of heat pipe top, said fire cover also be provided with one be used to clean heat pipe rinse mouth.

Preferably, also comprise one first dedusting mechanism, said first dedusting mechanism comprises a dust cleaning case and dedusting pipeline, and said dedusting pipeline comprises multistage pipeline, said dedusting pipeline one end and the conducting of fire lid.

Preferably, be provided with the filter that is obliquely installed in the said dust cleaning case, said filter is arranged near the exhaust outlet of said dust cleaning case, treats the gas that flows out exhaust outlet and filters.

Preferably, the tube wall of said dedusting pipeline is double-deck hollow structure, cavity one end and external water source conducting in the tube wall of dedusting pipeline, the water inlet conducting that is provided with on the other end and the heat-transfer device bottom end cover.

Preferably, also comprise one second dedusting mechanism, said second dedusting mechanism is provided with a plurality of high pressure fog mouths, and said high pressure fog mouth sprays along the flow direction of flue gas.

Preferably, said second dedusting mechanism comprises a cyclic water tank and is arranged on the dedusting pipeline on the cyclic water tank that said high pressure fog mouth is opened in the dedusting pipeline.

Preferably, said adiabator layer is cotton heat-insulation layer of stone and the polyurethane integral insulating foam layer that is arranged on the housing wall middle part.

Preferably, be provided with fire grate in the said combustion chamber, said fire grate comprise framework and with the hollow body of frame fixation, be marked with water liquid in the said hollow body.

Compared with prior art, the utlity model has following advantage:

The inventor of the utility model is through practice in many ways, and the heat of fuel and heat height, fiery heart heat are provided with the steam generation main frame in the research steam raising plant in the steam raising plant of the utility model; The steam generation main frame is provided with heat-transfer device; Heat-transfer device comprises the heat pipe of a plurality of vertical settings, is arranged on the combustion chamber, and flame gets in the heat pipe; Make heat disperse by these heat pipes; Pass to the outside water liquid of heat pipe in the housing, make water liquid produce steam, thereby can utilize the fuel heat fully.The adiabator layer of housing setting can prevent scattering and disappearing of heat.

Further, heat pipe inside longitudinally is provided with the staggered transverse tube of a plurality of crosses, further plays the effect that makes full use of the fuel heat, and these transverse tubes can play the effect that reduces the heat height simultaneously, and the more heat transmission is fed water; The more important thing is that transverse tube can also divide the fiery heart, make the fiery heart lean on wall, repeatedly utilize fiery heart heat, the heat energy utilization rate can reach more than 95%.

Further, first dedusting mechanism is set, the tube wall of dedusting pipeline is double-deck hollow structure; Wherein be perfused with water, the cavity conducting of the sidewall of dedusting pipeline and housing, thereby; The dedusting pipeline can utilize the waste heat of flue gas; With the heating of the water in the tube wall, deliver in the housing then, thereby reach energy-saving and environmental protection reduction of discharging effect.The exhaust temperature of dedusting pipeline can be reduced to about 30 ℃～70 ℃, and the water liquid temp in the dedusting pipeline tube wall can reach 80 ℃～105 ℃, so; This outer rows smoke pipe road can adopt plastic material to process chimney; Practice thrift cost greatly, and the higher water liquid of these temperature gets into and only consumes a spot of heat behind the steam generation main frame and just can produce steam; Thereby, energy savings.

Further, second dedusting mechanism of setting is provided with high pressure fog mouth, washes cigarette through correlation about the high pressure fog, reduces smoke density greatly, and particle is almost nil.

Further, also be provided with Yi Huogai on the heat-transfer device, fire covers and also is provided with the rinse mouth that is used to wash heat pipe; In use for some time, can remove crock through the heat-transfer device of this rinse mouth flushing enclosure interior setting; Increase the service life, and energy-saving effect is apparent in view.

Further, the fire grate of combustion chamber adopts hollow structure in the utility model, and water liquid can be filled in inside, can make full use of heat energy, improves the durability of fire grate, is difficult for the refining slag, and is energy-conservation, prolongs fire grate service life.

Description of drawings

Fig. 1 is the structure schematic diagram of the utility model steam raising plant one preferred embodiment;

Fig. 2 is the structural representation of the heat-transfer device among Fig. 1;

Fig. 3 is the structural representation of the upper end cover of Fig. 2.

The specific embodiment

In order to make those skilled in the art understand the technical scheme of the utility model better, the utility model is done further to specify below in conjunction with accompanying drawing and specific embodiment.

Referring to Fig. 1, Fig. 2, Fig. 3, the steam raising plant of the utility model comprises steam generation main frame 1, first order dedusting mechanism 2, second level dedusting mechanism 3.

The steam generation main frame comprises housing 11, below housing 11, is provided with combustion chamber 12, and 12 tops, combustion chamber are provided with heat-transfer device 13, and the heat-transfer device top is provided with vaporium 14.

Wherein, housing 11 comprises thickening corrosion resistant plate, cotton (the claiming aluminium silicate wool again) heat-insulation layer of stone, polyurethane integral insulating foam layer, corrosion resistant plate from inside to outside successively.

Referring to Fig. 2, Fig. 3, heat-transfer device 13 comprises upper end cover 13a, bottom end cover 13b, up and down is being provided with a plurality of heat pipe 13c between the end cap, and upper and lower side covers and is respectively equipped with a plurality of through holes, makes the two ends and the outside conducting of heat pipe.The inwall of heat pipe 13c longitudinally is provided with a plurality of transverse tube 13d, and cross is staggered between the adjacent transverse tube.The two ends of transverse tube and the conducting of heat pipe tube wall.The structure of upper end cover 13a which is provided with a plurality of through hole 13e referring to Fig. 3, and these through holes and the corresponding setting in the position of heat pipe 13c make inside and the extraneous conducting of heat pipe 13c.Except that being provided with a plurality of through holes, also be provided with a water inlet 13f on the structure of bottom end cover 13b.

Wherein, on the upper end cover of heat-transfer device, also cover a fire lid 16, fire lid 16 is provided with steam outlet pipe 16a, and this steam outlet pipe 16a is with the space and the vaporium conducting of heat-transfer device top; Movable in order to prevent fiery lid, the fire lid and the inwall of housing are fixed, but also had the space between Huo Gai edge and the inner walls, supply steam to pass through, get into vaporium.Wherein, be provided with safety valve 14a and Pressure gauge 14b, pressure automatic control switch 14c in the vaporium 14, the top of vaporium also is provided with a venthole 14d, through this venthole to outside steam supply.Safety valve can be static pressure type safety valve or spring loaded safety valve.Wherein, fire covers and also is provided with a cleaning hose 15, can regularly wash the inside of steam generation main frame.

Wherein, the fire grate that combustion chamber 12 is provided with fuel inlet 12a and ash hole 12b and is used to place fuel, fire grate comprise framework 12c and be fixed on the fire bars 12d on the framework, and wherein fire bars 12d is a hollow structure, and inside is filled with water liquid.

First dedusting mechanism 2 comprises a dust cleaning case 21 and is arranged on the dedusting pipeline on the dust cleaning case; This dedusting pipeline comprises first pipeline 22 and second pipeline 23; One end of first pipeline and the top conducting of housing; The other end and dust cleaning case conducting, second pipeline, one end and dust cleaning case conducting, the other end and the second dedusting mechanism conducting.Be provided with a filter 21a in the dust cleaning case, this filter 21a is obliquely installed the upper right corner at dust cleaning case, makes gas earlier through the filtration of filter 21a, flow into second pipeline again.The tube wall that the dedusting pipeline is is double-deck hollow structure, and cavity one end in the tube wall is communicated with external water source through water filling port 24, and the water inlet 13f conducting of the other end through being provided with on a pipeline 25 and the heat-transfer device bottom end cover also is provided with a check-valves 25a in the pipeline 25.The tube wall cavity of first pipeline and the tube wall cavity of second pipeline are through the tube connector conducting.When flue gas was flowed through the dedusting pipeline, water in the dedusting pipeline tube wall absorbed heat, carries out waste heat recovery, and temperature raises, and these high-temperature water liquid get in the housing again, was heated into the heat that steam consumes and just tailed off, thereby reach remarkable energy saving effect.The below of dust cleaning case 21 also is provided with out sewage mouth 21b.

Second dedusting mechanism 3 comprises cyclic water tank 31 and is arranged on first order pipeline 32, second level pipeline 33, the third level pipeline 34 on the cyclic water tank 31; Be provided with high pressure fog mouth 32a in first order pipeline upper end; The lower end of pipeline is provided with high pressure fog mouth 33a in the second level; The upper end of pipeline is provided with high pressure fog mouth 33b in the second level, second pipeline, 22 conductings of the first order pipeline 32 and first dedusting mechanism 2.In cyclic water tank 31, also be provided with a ball-cock assembly 31a, be used for monitoring liquid level.Wherein, the downward spray water of high pressure fog mouth 32a receives downward impulse force after making flue gas get into first order pipeline; Be punched into cyclic water tank with fog, improve and to wash the cigarette effect, the high pressure fog mouth 33a spray water that makes progress; Receive impulse force upwards after making the residue flue gas get into cyclic water tank, thereby get into second level pipeline, the downward spray water of high pressure fog mouth 33b that the upper end of pipeline is provided with in the second level; Make the flue gas that gets into second level pipeline one end after flowing to the other end; Can flow downward apace, thereby make flue gas pour cyclic water tank with fog once more, last cyclic water tank top is handled clean gas and is discharged via third level pipeline 34.In cyclic water tank, also be provided with a dividing plate 31b, the cavity of water liquid top in the header tank is separated, prevent that the flue gas of not handling fully from discharging from the gas outlet.The end of third level pipeline 34 is communicated with an air-introduced machine 35, guides the gas in the third level pipeline into outside.

Below header tank, also be provided with sewage outlet 31c, can the dirt of accumulation be discharged through this sewage outlet.

The steam raising plant of present embodiment the heat pipe of a plurality of vertical settings because heat-transfer device is provided with, and flame gets in the heat pipe; Heat pipe is heated; Heat disperses everywhere, the transverse tube that a plurality of vertical crosses of heat pipe set inside are staggered, and water liquid gets into transverse tube; Make that the many multiplications of extreme misery contact-making surface are big, water liquid is fully heated; Because first order dedusting mechanism, second level dedusting mechanism are set, first order dedusting mechanism reclaims the heat of flue dust in dedusting; Water in its tube wall is heated; Send into and be used for producing steam in the steam generation main frame, practice thrift mass energy consumption, second level dedusting mechanism is further eliminated tiny soot dust granule through the washing cigarette; Integrate, the utlity model has following significant advantage:

Efficiently---utilize the fuel heat to reach more than 95%;

Energy-conservation---same with 3-5 times of amount fuel gas production increase;

Environmental protection---reduce air pollution in a large number;

Low-carbon (LC)---a large amount of chemical substances that produce in the burning that reduce;

Reduce discharging---reduce the pollution (dedusting water is recycled) of empty G&W in a large number.

Present embodiment provides is the structure of fuel when being solid fuel; In implementation process; During like electricity consumption, with oil, with burnings such as gas, fuel inlet and ash hole can not established in the combustion chamber, and whole steam raising plant also need not be provided with first dedusting mechanism and second dedusting mechanism; But be provided with many backhauls of waste heat filtration system, play energy-saving effect equally.

More than the utility model has been carried out detailed introduction, use concrete example in the literary composition principle and the embodiment of the utility model set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.

Claims

1. steam raising plant; It is characterized in that; Comprise the steam generation main frame, said steam generation main frame comprises housing, be arranged on combustion chamber, vaporium in the housing, be arranged on the heat-transfer device of top, combustion chamber, said heat-transfer device comprise upper end cover, bottom end cover and be fixed on upper end cover and bottom end cover between the heat pipe of a plurality of vertical settings; Zone corresponding with the heat pipe mouth of pipe on said upper end cover and the bottom end cover is provided with through hole, and housing is provided with adiabator layer.

2. steam raising plant as claimed in claim 1 is characterized in that the inside of said heat pipe longitudinally is provided with a plurality of transverse tubes, is cross between adjacent two transverse tubes and is crisscross arranged, the tube wall conducting of said transverse tube and heat pipe.

3. steam raising plant as claimed in claim 1; It is characterized in that; Said heat-transfer device also is provided with Yi Huogai, and said fire covers on the end cap that is incumbent on, and said fire covers and is provided with steam outlet pipe; With the space and the vaporium conducting of heat pipe top, said fire cover also be provided with one be used to clean heat pipe rinse mouth.

4. steam raising plant as claimed in claim 3 is characterized in that, also comprises one first dedusting mechanism, and said first dedusting mechanism comprises a dust cleaning case and dedusting pipeline, and said dedusting pipeline comprises multistage pipeline, said dedusting pipeline one end and the conducting of fire lid.

5. steam raising plant as claimed in claim 4 is characterized in that, is provided with the filter that is obliquely installed in the said dust cleaning case, and said filter is arranged near the exhaust outlet of said dust cleaning case, treats the gas that flows out exhaust outlet and filters.

6. steam raising plant as claimed in claim 4 is characterized in that, the tube wall of said dedusting pipeline is double-deck hollow structure, cavity one end and external water source conducting in the tube wall of dedusting pipeline, the water inlet conducting that is provided with on the other end and the heat-transfer device bottom end cover.

7. steam raising plant as claimed in claim 4 is characterized in that, also comprises one second dedusting mechanism, and said second dedusting mechanism is provided with a plurality of high pressure fog mouths, and said high pressure fog mouth sprays along the flow direction of flue gas.

8. steam raising plant as claimed in claim 7 is characterized in that, said second dedusting mechanism comprises a cyclic water tank and be arranged on the dedusting pipeline on the cyclic water tank that said high pressure fog mouth is opened in the dedusting pipeline.

9. steam raising plant as claimed in claim 1 is characterized in that, said adiabator layer is cotton heat-insulation layer of stone and the polyurethane integral insulating foam layer that is arranged on the housing wall middle part.

10. steam raising plant as claimed in claim 1 is characterized in that, is provided with fire grate in the said combustion chamber, said fire grate comprise framework and with the hollow body of frame fixation, be marked with water liquid in the said hollow body.