CN105091338A - Horizontal condensation type briquette coal heating stove - Google Patents
Horizontal condensation type briquette coal heating stove Download PDFInfo
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- CN105091338A CN105091338A CN201410192293.8A CN201410192293A CN105091338A CN 105091338 A CN105091338 A CN 105091338A CN 201410192293 A CN201410192293 A CN 201410192293A CN 105091338 A CN105091338 A CN 105091338A
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- heating stove
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 64
- 239000003245 coal Substances 0.000 title claims abstract description 56
- 239000004484 Briquette Substances 0.000 title abstract description 13
- 238000009833 condensation Methods 0.000 title abstract description 7
- 230000005494 condensation Effects 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 101
- 239000000779 smoke Substances 0.000 claims abstract description 24
- 238000003860 storage Methods 0.000 claims abstract description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 36
- 239000003546 flue gas Substances 0.000 claims description 36
- 229910001220 stainless steel Inorganic materials 0.000 claims description 14
- 239000010935 stainless steel Substances 0.000 claims description 12
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 235000019504 cigarettes Nutrition 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- 239000007789 gas Substances 0.000 abstract description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- NINIDFKCEFEMDL-AKLPVKDBSA-N Sulfur-35 Chemical compound [35S] NINIDFKCEFEMDL-AKLPVKDBSA-N 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 239000000446 fuel Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000003830 anthracite Substances 0.000 description 6
- 238000010411 cooking Methods 0.000 description 6
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000002802 bituminous coal Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 3
- 239000011449 brick Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 241001212038 Arcola Species 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000005028 tinplate Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Solid-Fuel Combustion (AREA)
Abstract
The invention relates to a horizontal condensation type briquette coal heating stove. The horizontal condensation type briquette coal heating stove is characterized in that a combustion chamber is formed in a horizontal type stove body; a fire grate and an ash storage chamber are arranged at the lower part of the combustion chamber; a combustion chamber water sleeve which is defined by a front stove wall water sleeve layer, a side stove wall water sleeve layer and a rear stove wall water sleeve layer is arranged at the periphery of the combustion chamber; a wall-clamping water sleeve layer which is in parallel arrangement with the rear stove wall water sleeve layer is arranged in the combustion chamber; a high-temperature chamber and a smoke-gas separating cavity are arranged between the wall-clamping water sleeve layer and the rear stove wall water sleeve layer; two sides of the stove body are respectively provided with a heat exchanger; a tube plate type condenser and/or a barrier wall type condenser are/is arranged in each heat exchanger. According to the horizontal condensation type briquette coal heating stove disclosed by the invention, more than 82 percent of heat efficiency can be achieved, the horizontal condensation type briquette coal heating stove is suitable for burning smoke-free briquette coal, compared with burning of soft coal in equal amount, the horizontal condensation type briquette coal heating stove has the advantages that the emission of 86 percent of smoke, 62 percent of sulfur dioxide and 35 percent of nitrogen oxide can be reduced, and the emission reduction effect is extremely obvious.
Description
Technical field
The present invention relates to a kind of civil heating stove and accessory, specifically a kind of sleeping body condensing molded coal heating stove.
Background technology
State Council in 2013 issues air and administers file, and referred to as " ten, air ", wherein Article 1 is the discharge of decreasing pollution thing.By renovating the means such as technical merit such as coal-fired arcola, raising small scall coal-fired boiler efficient burning, successive elimination heavily contaminated weather comprehensively.The coal accounting for China's total energy consumption proportion maximum is pulled on the teeth of the storm one after another, becomes the target of everyone.But, because some areas " coal changes gas " transformation is too concentrated, exacerbate manifesting of imbalance between supply and demand.Some industrial enterprises plan to do " coal changes gas " environmental transformation originally, but due to source of the gas anxiety, can only be temporarily stranded, bring serious negative effect to resident living.
The measure that relying on readjusts the energy structure administers haze is no doubt quite right, but China still cannot change the proportion of coal in primary energy supply in quite over a long time.For this reason, propelling clean coal technology of making great efforts, is only basic plan to reduce the destruction of coal to environment to greatest extent.
The discharge of decreasing pollution thing.In the face of resource constraint be becoming tight, environmental pollution is serious, the severe situation of ecosystem degradation, be that the traditional development model of cost is hard to carry on consumption of natural resource, transform the mode of development and become the task of top priority.On the one hand, enterprise will accelerate the adjustment of the industrial structure, Energy restructuring, makes great efforts to advance cleaner production, uses the clean energy resource such as natural gas, solar energy, few discharge or not discharging waste gas, thus realizes energy-saving and emission-reduction.On the other hand, wideling popularize efficient low-discharging cooking stove a heatable brick bed is the important measures improving haze weather.Expert points out, current rural areas in our country about has 2.26 hundred million peasant households to adopt cooking stove a heatable brick bed, to meet winter heating, cooking needs.800,000,000 tons of standard coals amounted to by annual consumption agricultural crop straw, fuel wood and coal.Therefore implementing the overall control of consumption of coal in northern China rural area, widely popularize efficient low-discharging cooking stove a heatable brick bed, is the important measures improving northern area haze weather.Expert advice, the areas such as the combination area of city and country in haze weather severely afflicated area, rural area, tackle existing coal stove, heating stove and less than 2 tons non-central heating boilers and implement update engineering, and high-quality anthracite briquette, low-sulfur moulded coal and biomass molding fuel are applied in combination, simultaneously, implement clean energy resource replacement area in emphasis villages and small towns, concentrate and promote high-quality moulded coal heating boiler.
Civil heating stove burning briquette can reduce atmosphere pollution in a large number.Compared with burning raw coal, SO
2discharge capacity reduces about 40% ~ 60%, NO
2discharge capacity reduces about 40%, and soot emissions reduce about 60%, and strong carcinogen (Bap) reduces more than 50%, has obvious environment protecting.Moulded coal adds sulphur-fixing agent, adhesive in process, the discharge capacity of SO2 can be made to reduce 40% ~ 50%, also can reduce the discharge capacity of solid dust simultaneously.In addition, moulded coal can use industrial waste and agricultural residue to make adhesive, turns waste into wealth, decreases three waste discharge.
Mainly endotherm area design is less for existing stove and accessory, and exhaust gas temperature is higher.Absorber agent structure is flue gas and water flow direction is following current, many employings two backhauls or three backhauls, if reduce exhaust gas temperature, then structure can be more complicated, greatly need improve rolled steel dosage, causes cost to improve cost performance and reduces.Existing Domestic heating stove is not suitable for the anthracite briquette that burns, because if want moulded coal Thorough combustion, must reduce the flue dust initial ejection concentration of heating stove, the moulded coal used must have heat endurance.But if require that moulded coal has higher heat endurance, can not grill thoroughly, also just can not reach the nominal output of heating stove with existing common heating stove, dependence chemical addition agent technology can not from addressing this problem at all.
Summary of the invention
Object of the present invention is just to provide a kind of sleeping body condensing molded coal heating stove, to solve existing heating stove because bituminous coal making the problem that smoke discharge amount is large and the thermal efficiency is lower.
The present invention is achieved in that a kind of sleeping body condensing molded coal heating stove, burner hearth is provided with in horizontal body of heater, lower furnace portion is provided with fire grate and Dust Storage Room, be provided with by stokehold wall water jacket layer at burner hearth periphery, the hearth water sleeve that furnace sidewall water jacket layer and stove rear wall water jacket layer surround, it is characterized in that, described burner hearth inside is provided with the double wall water jacket layer be arranged in parallel with described stove rear wall water jacket layer, between described double wall water jacket layer with described stove rear wall water jacket layer, be provided with the hot room that communicates with burner hearth and be positioned at described hot room bottom and the flue gas shunting chamber communicated with it.
Heat exchanger is respectively arranged with in the both sides of described body of heater, described heat exchanger comprises: the upper strata condenser and the lower floor's condenser that are horizontally placed on body of heater both sides, the box water jacket of coated described upper strata condenser and described lower floor condenser, be arranged on the connection case of described body of heater front end, and be arranged on described body of heater rear end go out smoke box; The rear end of described upper strata condenser is connected with described flue gas shunting chamber, the front end of described upper strata condenser is connected with described connection case respectively with the front end of described lower floor condenser, the rear end of described lower floor condenser with described go out smoke box be connected, go out smoke box has chimney interface described.
The both sides of described double wall water jacket layer are connected with described furnace sidewall water jacket layer with the lower connected entrance of lower end respectively by the upper connected entrance of upper end.
The top layer of described body of heater is provided with top water jacket layer, and described top water jacket layer is connected with described stokehold wall water jacket layer, described furnace sidewall water jacket layer, described stove rear wall water jacket layer respectively, and described top water jacket layer is connected to delivery port.
At described connection case with describedly go out smoke box to be respectively arranged with the chamber door removing cigarette ash, described connection case and described go out the bottom of smoke box have condensed water discharge pipe mouth.
Described upper strata condenser slightly forward downward tilts, described lower floor condenser inclined downward slightly backward.
Described upper strata condenser is dividing wall type condenser and/or tube-sheet cooler condenser.
Described lower floor condenser is dividing wall type condenser and/or tube-sheet cooler condenser.
The described strip casing that dividing wall type condenser herringbone ripple corrosion resistant plate is welded, cross section is rectangle, described casing is upper and lower juxtaposition and/or juxtaposed 2 ~ 8 of transverse direction.
Described tube-sheet cooler condenser is welded by the preformed hole that the stainless steel tubulation of longitudinal individual layer or bilayer arrangement is corresponding with on the end plate of two ends.
Heating stove of the present invention adopts the project organization of Two-way Cycle, two return, and the left and right sides of horizontal body of heater arranges heat exchanger respectively, and in heat exchanger, design and installation has condenser.Condenser can be dividing wall type condenser and/or tube-sheet cooler condenser.When actual fabrication, the dividing wall type condenser in body of heater and tube-sheet cooler condenser can be installed respectively or load in mixture, and are generally kind and the flue-gas temperature specific design of based on fuel.
Dividing wall type condenser is arranged in heat exchanger, cocks off in casing, leakes water outside casing.Tube-sheet cooler condenser uses stainless steel condenser pipe.Condenser pipe can be the various casts such as round tube, rectangular tube, rectangle pipe, prismatic pipe.The quantity of condenser pipe calculates design and installation according to the watt level of heating stove.Condenser pipe arrangement mode, according to the watt level of heating stove, is designed with single, double and arranges more, no matter using the condenser pipe of that model, cock off in pipe, and pipe is outer leakes water, and belongs to fire tube.Condenser pipe is that stainless steel makes, and condenser pipe and end plate weld together, and form condenser.Condenser is divided into two, four or multiple cell block, in arranged in parallel in the box water jacket of the horizontal body of heater left and right sides.After fire coal burns in burner hearth, the exhaust opening of flue gas on rear side of roof of the furnace enters hot room, be diverted to through flue gas shunting chamber in the condenser of upper strata, flue gas runs in the connection case of body of heater front portion in the condenser of upper strata, run downwards along connection case, enter in lower floor's condenser, what flue gas ran to body of heater rear portion in lower floor's condenser goes out in smoke box, finally from go out the chimney that smoke box connects and discharge.Flue gas back and forth runs from burner hearth through exhaust opening, hot room, flue gas shunting chamber, upper strata condenser, connection case and lower floor's condenser, finally discharge from the smoke box that goes out of the water temperature lowest part of horizontal bottom of furnace body near water inlet, chimney emission temperature herein can be reduced to 50 DEG C ~ 70 DEG C.
The heating stove left and right sides of the present invention wall is designed with heat exchanger, and heat exchanger is provided with condenser in box water jacket, and condenser is divided into dividing wall type condenser and tube-sheet cooler condenser, arrange in the body of heater left and right sides, save material, reduced stove and accessory volume, decrease floor space.Dividing wall type condenser is connected by being communicated with case with tube-sheet cooler condenser, and flue gas runs along dividing wall type condenser and tube-sheet cooler condenser, and complete heat exchange backhaul, realize the cross-flow condensing heat-exchange of flue gas and water, condensed flue gas discharges body of heater along chimney.
Heating stove of the present invention has higher fire box temperature, lower 350 ° than common heating stove chimney emission temperature, combustion temperature in hearth is high 350 °, can combustion of coke, therefore briquet has greater advantage, provides advanced stove and accessory for promoting moulded coal, can solve the coal-fired sulfide emission problem of domestic stove from source, improve atmospheric environment, solve the harm of acid rain to agricultural because bituminous coal fuel brings and the formation of haze weather.In addition, if promote the use of sleeping body condensing molded coal heating stove, the coal quality requirements to moulded coal can also be reduced, also just reduce the coal quality requirements to its feed coal simultaneously, improve the economy promoting the use of moulded coal.The sleeping body condensing molded coal heating stove thermal efficiency can reach 85%, has and significantly improves, add the desulfurization degree that moulded coal itself has 60% than the thermal efficiency of the heating stove of common 30% thermal efficiency circulated in the market.If use horizontal condensation moulded coal formula heating stove to be carrier, being equipped with moulded coal is fuel, and domestic stove can reduce by 220% ~ 290% sulfide emission, and clean type coal is to the pollution of air, negligible.If promoted the use of in the whole nation, can solve that domestic stove bituminous coal brings to atmosphere polluting problem, be conducive to the improvement to haze weather.
Heating stove of the present invention can use three kinds of fuel---anthracite block coal, anthracite briquette and biomass block.China peasant warming & cooking is fuel mainly with coal and bavin standing grain, and heating stove of the present invention is exactly for life of farmers custom, for the people are used, and the stove and accessory of research peasant winter heating, cooking, energy waste problem during solution peasant's winter heating.
Heating stove of the present invention is applicable to anthracite briquette, and experiment display, high-quality anthracite briquette sulfur content is lower than 0.3%, and caloric value is more than 5500 kilocalories, and burning time can extend one times.Compared with burning equivalent bituminous coal, can emissions reduction flue dust 86%, sulfur dioxide 62%, nitrogen oxide 35%, emission reduction effect is extremely obvious.
The invention belongs to hot water heating stove, adopt condensing heat-exchange technology, condensing heat-exchange is carried out to the flue gas of heating stove, make before the poisonous and harmful substance escaped in flue gas is condensate in effusion chimney, to make heating stove be provided with environmental-protecting performance.This measure had both improve the thermal efficiency of heating stove, significantly can reduce exhaust gas temperature again, prevent from discharging black smoke, reduce the pollution to environment, reach environment protection emission requirement, the energy can be maximally utilised, due to inner water sleeve work in the closed state, fuel is burn under closed state in inner water sleeve, condenser is embedded in box water jacket, fuel is after inner water sleeve work by combustion, flue gas directly enters condenser, both material had been saved, scientifically make use of cigarette energy again, flue gas through burning directly enters in the condenser that is embedded in box water jacket, flue gas passes through condensing heat-exchange in condenser, again through four heat transfer process of certain length, fully absorb the sensible heat in flue gas and latent heat, the going out in smoke box of minimum temperature of last flue gas near water inlet bottom heating stove discharges, exhaust gas temperature is controlled at about 60 °.
Heating stove of the present invention can keep constant-temperature effluent, and temperature fluctuation is little, and can be used as the multi-function ranges such as heating, bathing, product has popularity, is applicable to family, hotel, restaurant.This stove and accessory belongs to discharged at lower temperature, and the row destroying vapour bath colloidal state becomes, and pollution is controlled, and reaches the object of energy-saving and emission-reduction, protects atmospheric environment.
Heating stove of the present invention utilizes the circulating backwater of heating installation lower than 50 DEG C and the high-temperature flue gas up to 350 DEG C to carry out condensing heat-exchange, forms dew-point temperature.Condensing type heating stove has larger heat exchange area, can absorb the sensible heat in flue gas and latent heat.Sensible heat energy a large amount of in flue gas and calorific potential, common heating stove can not fully absorb.Because common heating stove belongs to low level heat-energy transducer, part sensible heat can only be utilized, then can not effectively utilize calorific potential, so the sensible heat in flue gas and latent heat are condensed into water by certain wall by condensing type heating stove, by condenser, heat is transferred heat to the hot water outside pipe from wall, improve the thermal efficiency with this, and effectively can reduce exhaust gas temperature, exchange to maximum efficiency the energy in flue gas for, finally the flue gas of discharge is reduced to 50 DEG C ~ 70 DEG C.
Condensing heat transfer technology is used for fire coal by the present invention's body condensing molded coal heating stove that crouches; Condenser is dividing wall type and the in line structure of tube-sheet type, increases heat exchange area, reduces furnace binding; The sheet material of dividing wall type condenser and the heat exchanger tube of plate and tube condenser adopt formula body stainless steel difficult to understand, solve corrosion-and high-temp-resistant problem of materials, ensure that converter life.Detect through new forms of energy product surveillance station, Hebei province, combination property is better than national standard, and the thermal efficiency reaches 82.8%.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is side direction partial perspective structural representation of the present invention.
In figure: 1, burner hearth, 2, fire door, 3, top water jacket layer, 4, stokehold wall water jacket layer, 5, double wall water jacket layer, 6, stove rear wall water jacket layer, 7, upper connected entrance, 8, lower connected entrance, 9, water inlet, 10, delivery port, 11, exhaust opening, 12, upper strata condenser, 13, lower floor's condenser, 14, go out smoke box, 15, Dust Storage Room, 16, fire grate, 17, flue gas shunting chamber, 18, furnace sidewall water jacket layer, 19, smoke pipe water jacket, 20, case is communicated with, 21, ash bucket, 22, rocking handle, 23, hot room, 24, box water jacket, 25, support.
Detailed description of the invention
As shown in Figure 1 and Figure 2, the body of heater of heating stove of the present invention is the horizontal body of heater of rectangle, burner hearth 1 is provided with in body of heater, burner hearth 1 bottom is provided with fire grate 16 and Dust Storage Room 15, ash bucket 21 is housed in Dust Storage Room 15, fire grate 16 also can cross-under on support 25, and to be controlled with rocking handle 22, to carry out rotation deashing.The periphery of burner hearth 1 is provided with hearth water sleeve, described hearth water sleeve is surrounded by the stokehold wall water jacket layer 4 be interconnected, furnace sidewall water jacket layer 18 and stove rear wall water jacket layer 6 and forms, top water jacket layer 3 is also provided with at the top layer of body of heater, top water jacket layer 3 is connected with stokehold wall water jacket layer 4, furnace sidewall water jacket layer 18, stove rear wall water jacket layer 6 respectively, top water jacket layer 3 has 1 ~ 2 fire door communicated with burner hearth 2, is connected to the delivery port 10 communicated with top water jacket layer 3 at furnace roof rear portion.The position to the rear of burner hearth 1 inside is provided with the double wall water jacket layer 5 be arranged in parallel with stove rear wall water jacket layer 6, and the both sides of double wall water jacket layer 5 are connected with the furnace sidewall water jacket layer 18 of both sides with the lower connected entrance 8 of lower end respectively by the upper connected entrance 7 of upper end.On double wall water jacket layer 5, be provided with exhaust opening 11, between double wall water jacket layer 5 and stove rear wall water jacket layer 6, be provided with hot room 23 and the flue gas shunting chamber 17 being positioned at hot room bottom.Hot room 23 is communicated with burner hearth 1 by exhaust opening 11, and flue gas shunting chamber 17 directly communicates with hot room 23.
Heat exchanger is respectively arranged with in the both sides of body of heater, described heat exchanger comprises: the upper strata condenser 12 and the lower floor's condenser 13 that are horizontally placed on body of heater both sides, the box water jacket 24 of coated described upper strata condenser 12 and described lower floor condenser 13, be arranged on the connection case 20 of described body of heater front end, and be arranged on described body of heater rear end go out smoke box 14; The rear end of described upper strata condenser 12 is connected with described flue gas shunting chamber 17, the front end of described upper strata condenser 12 is connected with described connection case 20 respectively with the front end of described lower floor condenser 12, the rear end of described lower floor condenser 13 with described go out smoke box 14 be connected, go out smoke box 14 has chimney interface, in order to connect chimney described.Water inlet 9 is connected in the rear end lower of box water jacket 24.
Be communicated with case 20 and going out chamber door smoke box 14 being respectively arranged with and removing cigarette ash, having condensed water discharge pipe mouth, to discharge the condensed water flowed out from condenser in time at connection case 20 with the bottom going out smoke box 14.Arranging at condenser, for ease of the outflow of condensed water, upper strata condenser 12 should omit forward downward, and lower floor's condenser 13 should inclined downward slightly backward.
Upper strata condenser 12 in heat exchanger and lower floor's condenser 13 can be dividing wall type condensers, or tube-sheet cooler condenser, also can be the aggregates of dividing wall type condenser and tube-sheet cooler condenser.
The strip casing that dividing wall type condenser herringbone ripple corrosion resistant plate is welded, cross section is rectangle.Herringbone corrugated plating plate wherein used makes with Thin Stainless Steel plate material, and stainless sheet steel mould is pressed into lambdoid ripple, and the height of herringbone ripple is 5 ~ 10mm, interval 15 ~ 25mm, and the angle of ripple angle is 60 °.Two panels herringbone corrugated plating plate is welded into rectangular box, by the herringbone ripple configuration straggly in two panels herringbone corrugated plating plate, to reduce flue gas resistance to greatest extent, increases heat exchange area and heat exchange efficiency.The direction of herringbone ripple is identical with the traffic direction of flue gas, and in longitudinal arrangement, flue gas enters from the right-falling stroke portion of herringbone ripple.Dividing wall type condenser can be upper and lower juxtaposition or laterally juxtaposed several, also can be existing upper and lower juxtaposition also have laterally juxtaposed several, total general control is at 2 ~ 8.
Tube-sheet cooler condenser is by being longitudinally the stainless steel tubulation that individual layer, bilayer or multilayer are arranged, and namely forms tube-sheet cooler condenser after the two ends of all tubulations preformed hole corresponding with on the end plate of two ends welds.
The Material selec-tion of condenser and reason: ferritic stainless steel AL29-4C selected by stainless steel condenser pipe, its performance indications perform " steels for pressure vessel use forging tinplate steel, austenitic steel, austenite-ferrite stainless steel " (BSEN10222-5-2000) standard; Or select formula body stainless steel AL-6XM difficult to understand, its performance indications perform " boiler and heat exchanger austenitic stainless steel welded still pipe " (GB/T24593-2009) standard.
Ferritic stainless steel chrome content, 11% ~ 30%, has body-centered cubic crystal structure.This kind of steel is general not nickeliferous, sometimes also containing multiple elements such as a small amount of Mo, Ti, Nb, this kind of steel tool thermal conductivity factor is large, the features such as the coefficient of expansion is little, good in oxidation resistance, stress corrosion resistant are excellent, is used for the parts manufacturing the corrosion of resistance to air, water vapour, water and oxidizing acid.
In austenitic stainless steel containing Cr about 18%, Ni8% ~ 10%, C about 0.1% time, there is stable austenite structure.Austenitic chromium nickel stainless steel comprises famous 18Cr-8Ni steel and increases Cr, Ni content on this basis and add the high Cr-Ni Series Steel that the elements such as Mo, Cu, Si, Nb, Ti grow up.Austenitic stainless steel is nonmagnetic and have high tenacity and plasticity, but intensity is lower, and can not make it strengthening by phase transformation, only strengthen by cold working, as added S, the elements such as Ca, Se, Te, then have good free-cutting machinability.
Condenser pipe utilizes and belongs on coal furnace first, utilize the condenser pipe of particular design, can effectively the heat in flue gas be delivered in hot water, because condenser pipe is embedded in water jacket, one side is fire, and one side is water, forms two sides corrosion, the present invention adopts formula body stainless steel difficult to understand, solves corrosion-and high-temp-resistant problem of materials.
In heating stove of the present invention, also can automatic control system be set, to realize the automatic control heated.Automatic control system includes the parts such as thermocouple, relay, controller and air-introduced machine.The installation of TC is in the water pipe of heating stove delivery port, when controller receives hot water temperature's information that thermocouple sends, can according to the temperature of setting and working time, whether control the work of air-introduced machine, thus the heating forming domestic stove controls automatically, makes peasant's winter heating realize modernization.
Claims (9)
1. a sleeping body condensing molded coal heating stove, burner hearth is provided with in horizontal body of heater, lower furnace portion is provided with fire grate and Dust Storage Room, the hearth water sleeve surrounded by stokehold wall water jacket layer, furnace sidewall water jacket layer and stove rear wall water jacket layer is provided with at burner hearth periphery, it is characterized in that, described burner hearth inside is provided with the double wall water jacket layer be arranged in parallel with described stove rear wall water jacket layer, between described double wall water jacket layer with described stove rear wall water jacket layer, is provided with the hot room that communicates with burner hearth and is positioned at described hot room bottom and the flue gas shunting chamber communicated with it;
Heat exchanger is respectively arranged with in the both sides of described body of heater, described heat exchanger comprises: the upper strata condenser and the lower floor's condenser that are horizontally placed on body of heater both sides, the box water jacket of coated described upper strata condenser and described lower floor condenser, be arranged on the connection case of described body of heater front end, and be arranged on described body of heater rear end go out smoke box; The rear end of described upper strata condenser is connected with described flue gas shunting chamber, the front end of described upper strata condenser is connected with described connection case respectively with the front end of described lower floor condenser, the rear end of described lower floor condenser with described go out smoke box be connected, go out smoke box has chimney interface described.
2. sleeping body condensing molded coal heating stove according to claim 1, is characterized in that, the both sides of described double wall water jacket layer are connected with described furnace sidewall water jacket layer with the lower connected entrance of lower end respectively by the upper connected entrance of upper end.
3. sleeping body condensing molded coal heating stove according to claim 1, it is characterized in that, the top layer of described body of heater is provided with top water jacket layer, described top water jacket layer is connected with described stokehold wall water jacket layer, described furnace sidewall water jacket layer, described stove rear wall water jacket layer respectively, and described top water jacket layer is connected to delivery port.
4. sleeping body condensing molded coal heating stove according to claim 1, is characterized in that, at described connection case with describedly go out smoke box to be respectively arranged with the chamber door removing cigarette ash, described connection case and described go out the bottom of smoke box have condensed water discharge pipe mouth.
5. sleeping body condensing molded coal heating stove according to claim 4, is characterized in that, described upper strata condenser slightly forward downward tilts, described lower floor condenser inclined downward slightly backward.
6. sleeping body condensing molded coal heating stove according to claim 4, is characterized in that, described upper strata condenser is dividing wall type condenser and/or tube-sheet cooler condenser.
7. sleeping body condensing molded coal heating stove according to claim 4, is characterized in that, described lower floor condenser is dividing wall type condenser and/or tube-sheet cooler condenser.
8. the sleeping body condensing molded coal heating stove according to claim 6 or 7, it is characterized in that, the described strip casing that dividing wall type condenser herringbone ripple corrosion resistant plate is welded, cross section is rectangle, described casing is upper and lower juxtaposition or transverse direction juxtaposed two, four or multiple.
9. the sleeping body condensing molded coal heating stove according to claim 6 or 7, is characterized in that, described tube-sheet cooler condenser is welded by the preformed hole that the stainless steel tubulation of longitudinal individual layer or bilayer arrangement is corresponding with on the end plate of two ends.
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| CN201410192293.8A CN105091338B (en) | 2014-05-08 | 2014-05-08 | Sleeping body condensing molded coal heating stove |
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| US5375586A (en) * | 1993-08-11 | 1994-12-27 | Inter-City Products Corporation (Usa) | Condensate isolator and drainage system for furnace |
| EP1813884A2 (en) * | 2003-05-08 | 2007-08-01 | Alley Enterprises Limited | A condensing unit |
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| CN105091338B (en) | 2018-03-23 |
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