CN103615801B - A kind of coal-fired hot-blast stove of equivalent burning - Google Patents
A kind of coal-fired hot-blast stove of equivalent burning Download PDFInfo
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- CN103615801B CN103615801B CN201310677818.2A CN201310677818A CN103615801B CN 103615801 B CN103615801 B CN 103615801B CN 201310677818 A CN201310677818 A CN 201310677818A CN 103615801 B CN103615801 B CN 103615801B
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Abstract
The coal-fired hot-blast stove of a kind of equivalent burning of disclosure, including airtight furnace shell, being provided with fire grate and the heat exchanger of combustor, the air inlet being arranged on furnace shell and combustion chamber in furnace shell, heat exchanger is arranged in furnace shell, and air inlet is divided into combustion-supporting air outlet and air port for air conditioner；Combustion-supporting air outlet connects with the main air outlet below the fire grate of combustor；Air port for air conditioner is communicated to hot-blast outlet after heat exchanger；Combustor is arranged over gas collector；The furnace wall of combustor is provided with gas burner, is connected by gas conveying tube between gas collector with gas burner；The allocation of the amount of air ratio of air port for air conditioner and combustion-supporting air outlet is 3:1～10:1；Aerator and one controls device and connects, and controls device and includes the control instrument of a control aerator operating, and control instrument is connected to thermometer.Present configuration is compact, rationally distributed, it is possible to be automatically adjusted heat production speed according to ambient temperature, has energy-conserving and environment-protective, an advantage that energy utilization rate is high.
Description
Technical field
The present invention relates to a kind of air stove for indoor heating, be specifically related to a kind of coal-fired hot-blast stove that a kind of coal burning speed is adjustable, radiating rate is corresponding with heat production speed.
Background technology
Needing the workshop of heat supply at some, the agricultural product Workplace such as such as livestock and poultry cultivation workshop, green house of vegetables, in order to ambient temperature be maintained in suitable scope, people install air stove through this Workplace of being everlasting.Coal-fired hot-blast stove is that one produces heat by coal burning, and by heat transferring medium (usually air) heat is transported to a kind of firing equipment in production environment, mainly include furnace shell, be combustor in the middle part of furnace shell, the heat exchanger installed above of furnace shell inner combustion chamber.Heat exchanger includes exhaust gases passes and air-conditioner wind passage, one end of exhaust gases passes and combustion chamber, and the other end reaches the outside of furnace shell；The side of furnace shell or both sides are arranged to blast the air inlet of cold wind to air-conditioner wind passage, and air inlet installs aerator, and furnace shell arranges hot-blast outlet, and cold wind becomes warm braw and blows out from hot-blast outlet after absorbing heat in heat exchanger.During air stove work, coal burns in a combustion chamber as fuel, and the heat that burning produces enters exhaust gases passes with the form of heat smoke, and circulates in exhaust gases passes；Simultaneously, the cold air of the air inlet on furnace shell sidewall is blown in furnace shell by blower fan, and carries out heat exchange with the heat smoke in exhaust gases passes in air-conditioner wind passage, and the air after heating blows out from the hot-blast outlet of furnace shell, enter in the growing environment of poultry, vegetable, thus the temperature of adjusting ambient.In production, in order to ensure the abundant burning of coal, being provided with fire grate in combustor, fire grate is connected with the combustion-supporting air outlet being connected with aerator.It addition, the top of combustor is provided with coal filling hole, the bottom of combustor is provided with slagging-off mouth, in order to supplements coal in time in combustor and clears up the waste residue that coal burning produces in time.
In conventional art, coal is a uncontrollable process at the stove chamber inner combustion of air stove, and when coal has just enter into burner hearth, burning velocity is slow, burns insufficient, and the flue dust of generation is many, and the heat produced is few；Along with the increase of burning degree, coal burning speed is increasingly faster, and the heat of release also gets more and more, until when the coal in burner hearth all fully burns, thermal discharge reaches maximum；Coal amount gradually decreases subsequently, and thermal discharge is also fewer and feweri, and before next coal, thermal discharge is preferably minimized.In this process, it is constant for entering the flowing velocity being used for heat transferring medium in the heat exchanger of air stove, and therefore, traditional air stove all exists heat production and inharmonic problem of dispelling the heat: coal early stage, heating load is not enough, and coal burning is insufficient, smoke discharge amount is big；Mid-term, heating load exceeded the capacity of heat transmission of heat transferring medium, caused that some heats can not make full use of, and have to pass through smoke stack emission in environment；Later stage heating load Shortcomings again.
It addition, all can affect the heat production speed of air stove to opportunity of coal in the combustor of air stove and coal amount: when ambient temperature is less than the temperature needed, add substantial amounts of coal in air stove, it is possible to make air stove a large amount of heat production within a certain period of time；When ambient temperature is more than or equal to the temperature needed, in air stove, add a small amount of coal, to maintain heat supply.Such coal-adding type will also result in heat production and inharmonic problem of dispelling the heat: when coal addition is excessive, quantity of heat production is excessive, can exceed the capacity of heat transmission of heat transferring medium in stove, cause the waste of heat energy, when the addition of coal is too small, quantity of heat production is not enough, can affect the growth of poultry, crop.
Summary of the invention
The technical issues that need to address of the present invention are to provide the coal-fired hot-blast stove of a kind of equivalent burning, it coal can be enable fully to burn and the coal-fired heat produced by air-conditioner wind all, take away timely.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows:
A kind of coal-fired hot-blast stove of equivalent burning, furnace shell including airtight setting, the air inlet connected with aerator be provided with the combustor above fire grate and fire grate in furnace shell, being arranged on furnace shell and the heat exchanger of combustion chamber, described heat exchanger is arranged in furnace shell, and described air inlet is divided into combustion-supporting air outlet and air port for air conditioner；Described combustion-supporting air outlet connects with the main air outlet below the fire grate of combustor, and after the air outlet of combustor is communicated to heat exchanger, warp is discharged by exhaust opening；Described air port for air conditioner is communicated to the hot-blast outlet to indoor thermal wind exhausting after heat exchanger；
Described combustor is arranged over the gas collector with combustion chamber；Being provided with the gas burner leading in combustor in the furnace wall of combustor, connected by gas conveying tube between gas collector with gas burner, gas burner also connects with combustion-supporting air outlet；
The allocation of the amount of air ratio of described air port for air conditioner and combustion-supporting air outlet is 3:1～10:1；
Described aerator and one controls device and connects, and controls device and includes the control instrument of a control aerator operating, closedown and running speed, and described control instrument is connected to the thermometer for detecting ambient temperature.
Further improvement of the present invention is in that: described gas burner includes the gas passage being connected with gas collector and the air duct providing air for gas-fired connected with combustion-supporting air outlet, described gas passage is provided with gas exit, being provided with air outlet slit on described air duct, gas exit is arranged with air outlet slit suit.
Further improvement of the present invention is in that: the air quantity of described air duct accounts for the 40%～80% of combustion-supporting air outlet air quantity.
Further improvement of the present invention is in that: described combustor top arranges the secondary air outlet for stoping hot blast to move upward connected with combustion-supporting air outlet.
Further improvement of the present invention is in that: described heat exchanger is mainly made up of some waveform heat exchanger fins being arranged in parallel, the ripple heave direction of adjacent heat exchanger fin is consistent, sequentially forms the exhaust gases passes passing into flue gas and pass into the air-conditioner wind passage of air between waveform heat exchanger fin；The smoke inlet of described exhaust gases passes is positioned at the bottom of heat exchanger, and the exhanst gas outlet of exhaust gases passes is positioned at the top of heat exchanger, and the air-conditioner wind entrance of described air-conditioner wind passage is positioned at the top of heat exchanger, and the air-conditioner wind outlet of air-conditioner wind passage is positioned at the bottom of heat exchanger.
Further improvement of the present invention is in that: the smoke inlet of described heat exchanger exhaust gases passes is provided with smoke-intake pipe, being provided with some fin A on the outer wall of smoke-intake pipe, the corresponding smoke-intake pipe blowout of the air-conditioner wind of the air-conditioner wind passage of heat exchanger outlet then air-conditioner wind cavity between heat exchanger and front and back furnace shell enters hot-blast outlet.
Further improvement of the present invention is in that: be welded with high temperature heat sink on the outer surface of described combustor, and high temperature heat sink is the corrugated fin B of at least two；The air-conditioner wind outlet of the air-conditioner wind passage of heat exchanger also corresponding fin B.
Further improvement of the present invention is in that: the air outlet of described combustor is used in heat of dissociation flue gas to connect with heat exchanger after the expansion chamber of dust through one.
Owing to have employed technique scheme, the technological progress that the present invention obtains is as follows:
Present configuration is compact, rationally distributed, by air inlet being divided into combustion-supporting air outlet and air port for air conditioner, combustion-supporting air outlet is for providing combustion air for fuel combustion, air port for air conditioner is for providing air-conditioner wind for heat exchanger so that absorbing the heat that fuel combustion produces, and by controlling the allocation of the amount of air ratio of air port for air conditioner and combustion-supporting air outlet, the heat that the heat that air-conditioner wind absorbs always produces with fuel combustion is made to adapt, it is ensured that the heat that coal burning produces can all be taken away by air-conditioner wind timely.The control instrument that aerator and one are connected to thermometer is connected by the present invention, control instrument is by the temperature of thermometer detection environment, and the difference according to ambient temperature Yu design temperature is automatically adjusted the operating of aerator, closedown and velocity of rotation, the heat production speed that thus can realize air stove always adapts with the heat of need for environment.Coal will necessarily produce coal gas in combustion, in conventional art, coal gas is directly discharged in atmospheric environment mostly, and the coal gas produced in combustor in the present invention can gather in gas collector, coal gas is transported in the gas burner of combustor side by gas conveying tube by gas collector, coal gas is made directly to participate in burning in combustor, so not only take full advantage of Coal Energy Source, moreover it is possible to prevent coal gas from leaking, reduce environmental pollution.
In the present invention, gas burner includes the gas passage connected with gas collector and the air duct connected with combustion-supporting air outlet, gas passage is provided with gas exit, air duct is provided with air outlet slit, gas exit and air outlet slit are arranged for suit, coal gas and air can mixed combustions at the gas exit of suit and air outlet slit place, this combustion system can make the burning of coal gas more abundant, improves the utilization rate of coal.
The air quantity of air passage of the present invention accounts for the 40%～80% of combustion-supporting air outlet air quantity, it is possible to for the combustion air that the burning offer of coal gas is sufficient, it is ensured that the abundant burning of coal gas, reduces the discharge of harmful gas.
In the present invention, the exhaust gases passes of heat exchanger and air-conditioner wind passage are waveform, increase perturbation amplitude and the heat exchange area of air flowing, it is possible to make air-conditioner wind more abundant with what the heat exchange of flue gas carried out.
In the present invention, the top of combustor arranges the secondary air outlet for stoping hot blast to move upward connected with combustion-supporting air outlet, the hot blast rate entered in gas collector can be reduced, reduce heat energy loss, improve the thermal efficiency of the present invention, there is provided combustion air from the above of coal-fired layer for fire coal simultaneously, make the surrounding of fire coal have air-breathing.
The heat exchanger of the present invention includes some waveform heat exchanger fins being arranged in parallel, exhaust gases passes and air-conditioner wind passage is formed between waveform heat exchanger fin, the flue gas produced in combustor and air-conditioner wind reverse flow in corrugated exhaust gases passes and air-conditioner wind passage respectively, flue gas and air-conditioner wind can be made to carry out sufficient heat exchange, improve the thermal efficiency of the present invention.
In the present invention, the porch of exhaust gases passes is provided with smoke-intake pipe, the outer wall of smoke-intake pipe arranges fin A, and the air-conditioner wind outlet of air-conditioner wind passage is corresponding with smoke-intake pipe, owing to before flue gas enters heat exchanger, temperature is significantly high, air-conditioner wind in heat exchanger is after air-conditioner wind passage blows out, can continue to absorb the fin A heat come out, improve the thermal efficiency of air stove.The present invention is welded with high temperature heat sink on the outer surface of combustor, high temperature heat sink is the temperature that at least two wave shaped radiator B, fin B mono-aspect can reduce sidewall of combustion chamber, improves the burner hearth life-span, heating air-conditioner wind can be continued on the other hand, improve the thermal efficiency of stove further.
The flue gas produced in combustor in the present invention also will through expansion chamber before entering heat exchanger, expansion chamber can by the most of dust separation in flue gas out, thus reducing the dust entered in heat exchanger, in order to avoid dust is attached on heat exchanger inwall affects heat exchange efficiency.
Accompanying drawing explanation
Fig. 1: the structural representation of an embodiment of the present invention；
The partial sectional view of the left view of Fig. 2: Fig. 1；
Fig. 3: the structural representation of gas burner；
The right view of Fig. 4: Fig. 3；
Fig. 5: the structural representation of heat exchanger.
nullWherein: 1. gas collector，12. secondary air outlet，13. gas conveying tube，2. combustor，20. furnace wall，21. fire grate，22. main air outlet，23. gas burner，231. gas passage，232. air duct，233. gas exit，234. air outlet slit，3. expansion chamber，4. heat exchanger，41. heat exchanger fin，42. exhaust gases passes，421. smoke-intake pipe，422. fin A，43. air-conditioner wind passage，5. high temperature heat sink，51. fin B，6. flue interlayer，61. exhaust opening，7. water tank，8. furnace shell，81. air inlet，811. pipeline A，812. pipeline B，813. pipeline C，814. pipeline D，82. hot-blast outlet，83. coal filling hole，84. slagging-off mouth，85. ash disposal mouth，86. dust removal port，9. aerator，92. control instrument，93. thermometer.
Detailed description of the invention
Make further to describe in detail to the present invention below in conjunction with the drawings and specific embodiments:
The coal-fired hot-blast stove of a kind of equivalent burning, as depicted in figs. 1 and 2, including furnace shell 8, the middle part of furnace shell 8 inner chamber is provided with combustor 2, and combustor 2 is arranged over the gas collector 1 with combustion chamber.Combustor 2 be respectively arranged on the left side and the right side an expansion chamber 3, what the top of expansion chamber 3 was positioned at gas collector 1 is respectively provided on two sides with a heat exchanger 4, heat exchanger 4 be connected with the high temperature heat sink 5 that the upper side wall with combustor connects as one, heat exchanger 4 is arranged over flue interlayer 6, flue interlayer 6 be arranged over water tank 7.
Being respectively equipped with an air inlet 81 on the left and right side of hot-air stove shell 8, air inlet 81 is divided into combustion-supporting air outlet and air port for air conditioner after entering furnace shell 8.Combustion-supporting air outlet is for providing combustion air for combustor, and air port for air conditioner, for providing air for heat exchanger 4, the trailing flank of furnace shell arranges hot-blast outlet 82, hot blast is blown into indoor.Air inlet 81 place is provided with aerator 9, for being blown into air in air stove.If the power requirement of air stove is less, then an air inlet and an aerator can be set.
Gas collector 1 is a cavity for collecting coal gas, and in the present embodiment, the width of gas collector 1 is less than the width of combustor 2, and gas collector 1 is arranged on the middle part above combustor 2.When coal burning in combustor produces coal gas, owing to the density of coal gas is less, can spill into gradually in the gas collector 1 above combustor, and be gathered in the top of gas collector 1.
Combustor 2 is arranged on the lower section of gas collector 1, and is connected with gas collector 1.The bottom of combustor 2 is provided with fire grate 21, be positioned at the furnace shell front end face above fire grate 21 be provided with slagging-off mouth 84, slagging-off mouth 84 be arranged over coal filling hole 83, be positioned at the furnace shell front end face below fire grate 21 and be provided with ash disposal mouth 85.Slagging-off mouth 84 and ash disposal mouth 85 are equipped with hermatic door, make can to blow under controlled state except air inlet 81 in whole furnace shell, except hot-blast outlet 82 can go out hot blast, exhaust opening can be discharged fume all in sealing state.Four sidewalls of combustor are provided with furnace wall 20, and the top of left side furnace wall and right side furnace wall is respectively equipped with gas burner 23, and gas burner 23 is embedded in furnace wall.The structure of gas burner 23 as shown in Figure 3 and Figure 4, including gas passage 231, air duct 232.Gas passage 231 is connected with gas collector 1 by gas conveying tube 13, and air duct 232 is connected with combustion-supporting air outlet by pipeline C813.Gas passage 231 is provided with several gas exit 233, air duct 232 is provided with several air outlet slit 234, as preferably, in the present embodiment, gas exit 233 is evenly arranged on gas passage 231, air outlet slit 234 is evenly arranged on air duct 232, gas exit 233 and air outlet slit 234 are tubulose and are coaxially disposed, and gas exit 233 is socketed in the inside of air outlet slit 234, and the internal diameter of air outlet slit 234 is more than the external diameter of gas exit 233.
Fire grate 21 be connected with main air outlet 22, main air outlet 22 is connected by pipeline B812 with combustion-supporting air outlet.In figure, the front inner wall of combustor 2 and the top of rear side inwall are respectively equipped with 5 air outlets 12, and 5 on front inner wall time air outlet is oppositely arranged with 5 air outlets on rear side inwall.Secondary air outlet 12 is connected with combustion-supporting air outlet by pipeline A811.Pipeline A811 arranges along furnace shell 8 inwall.
Leaving gap between top and the top of combustor of furnace wall and right side furnace wall on the left of combustor 2, this gap is as the air outlet of combustor 2, and combustor 2 is connected with expansion chamber 3 by the gap between furnace wall 20 and top of combustion chamber.The cavity that expansion chamber 3 is length dimension and width dimensions is all higher than between furnace wall and top of combustion chamber gap size, it is arranged on the both sides of combustor 2, on furnace shell front end face, the position of corresponding expansion chamber 3 is provided with dust removal port 86, arranging hermatic door in dust removal port 86, hermatic door is for the dust in periodic cleaning expansion chamber.
Heat exchanger 4 has two, is arranged on the top of expansion chamber 3 and lays respectively at the both sides of gas collector 1.If the power of air stove is less, it is also possible to only arrange one.The structure of heat exchanger 4 is as it is shown in figure 5, include several waveform heat exchanger fins 41 being arranged in parallel, and the ripple heave direction of adjacent plate is consistent, sequentially forms corrugated exhaust gases passes 42 and corrugated air-conditioner wind passage 43 between waveform heat exchanger fin.Offering two smoke inlets on the steel plate of each exhaust gases passes 42 lower surface, offer two exhanst gas outlets on the steel plate of each exhaust gases passes 42 upper surface, other position steel plates of exhaust gases passes seal.Smoke inlet is connected with expansion chamber by smoke-intake pipe 421, and the heat smoke in expansion chamber can pass through smoke-intake pipe 421 and enter the exhaust gases passes 42 of heat exchanger 4, and moves from bottom to top along corrugated exhaust gases passes.Offering air-conditioner wind entrance on the top of each air-conditioner wind passage, offer air-conditioner wind outlet at each air-conditioner wind beneath galleries, other position steel plates of air-conditioner wind passage seal.The air-conditioner wind entrance of air-conditioner wind passage is connected with air port for air conditioner by the space between heat exchanger with furnace shell and pipeline D814.Cold air in environment enters air-conditioner wind passage from air-conditioner wind entrance, and moves from top to bottom along waveform air-conditioner wind passage, flows out from air-conditioner wind outlet after heat exchange.Owing to exhaust gases passes and air-conditioner wind passage are waveform, therefore heat smoke and cold air can carry out sufficient heat exchange.
The excircle of smoke-intake pipe 421 is welded with laminar fin A422, being welded with high temperature heat sink 5 on combustor 2 upper surface, it is corrugated heat resisting steel thin slice that high temperature heat sink 5 includes 9 pieces of fin B51, fin B51,9 pieces of fin B51 are arranged in parallel, and the heave direction of fin is consistent.The air of heat exchanger air conditioner wind passage exports blowout from the air-conditioner wind of air-conditioner wind channel bottom after heat exchange, blow over fin A422 and high temperature heat sink 5, the temperature of fin B, smoke-intake pipe 421 and sidewall of combustion chamber can be reduced on the one hand, improve the life-span of smoke-intake pipe and combustor, on the other hand, herein, heat further with coal burning heats up air in air-conditioner wind passage, improves the temperature of hot blast.In air-conditioner wind passage, the hot blast of blowout is after fin A and high temperature heat sink, by the air-conditioner wind cavity between heat exchanger and furnace shell, blows out from the hot-blast outlet 82 hot-air stove shell rear end face, is transported in the place needing heating, improves ambient temperature.
Heat exchanger be arranged over flue interlayer 6, the exhanst gas outlet on exhaust gases passes 42 top of heat exchanger 4 is connected with flue interlayer 6.The upper surface at the middle part of flue interlayer 6 is provided with exhaust opening 61.Flue interlayer be also arranged above water tank 7, water tank can absorb the fume afterheat in flue interlayer to heat for the water in water tank 7, can reduce the flue-gas temperature that exhaust opening 61 is discharged simultaneously, improve the thermal efficiency of stove.Complete the later heat smoke of heat exchange through flue interlayer 6, be discharged to stove from exhaust opening 61.
It is also equipped with outside described furnace shell controlling device, controls device and include control instrument 92, control instrument 92 can set that the ambient temperature of needs.The input of control instrument is connected to the thermometer 93 for detecting ambient temperature, and the outfan of control instrument is connected with aerator 9, and aerator 9 is a frequency conversion fan.When thermometer detects ambient temperature less than the ambient temperature set, aerator 9 rotating speed increases, and improves combustion air and the amount of the air for heat conduction, thus increasing the temperature of environment.When thermometer detects ambient temperature be more than or equal to the ambient temperature set, aerator 9 rotating speed reduces even stall, such combustion air and the air for heat conduction and reduces simultaneously or stop supply, makes coal burning speed reduce.So both do not result in the waste of coal, without the waste causing blower fan electric energy.
During work, cold air in environment is blown in air stove by aerator 9, the cold air entered in air stove by air inlet 81 is divided into four strands: 1) sprayed at secondary air outlet 12 place by combustion-supporting air outlet and pipeline A811, for the heat smoke of coal burning generation in combustor is blown in the expansion chamber of combustor both sides, to reduce the hot blast rate entered in gas collector, reduce heat energy loss；2) sprayed at main air outlet 22 place by combustion-supporting air outlet and pipeline B812, for providing the oxygen of abundance for the coal burning in combustor；3) sprayed at air outlet slit 234 place of gas burner by combustion-supporting air outlet and pipeline C813, for mixing with coal gas and making gas-fired；4) it is connected with the air-conditioner wind passage of heat exchanger with pipeline D814 by air port for air conditioner, this partial air enters the air-conditioner wind passage 43 of heat exchanger from the air-conditioner wind entrance of heat exchanger, heat exchange is carried out with the heat smoke in heat exchanger in air-conditioner wind passage, then spray from the air-conditioner wind exit below heat exchanger, fin A422 and high temperature heat sink 5 heat further, then blows in environment as hot blast.
In the present invention, air port for air conditioner and the allocation of the amount of air ratio of combustion-supporting air outlet can be 3:1,4:1,5:1,6:1,7:1,8:1,9:1,10:1 or the ratio of these numerical value approximate.The air quantity of the air duct 232 of gas burner 23 accounts for the 40%～80% of combustion-supporting air outlet air quantity, as preferably, it is possible to making pipeline A811 is 1:1:2 to time air quantity of air outlet 12, pipeline B812 to the air quantity of main air outlet 22, pipeline C813 to the ratio of the air quantity of the air outlet slit 234 of gas burner.So, when aerator is to when being blown into air in air stove, the ratio for combustion-supporting air with for the volume of the air of heat conduction will remain in a metastable scope.The heat produced owing to often consuming certain combustion air is basically unchanged, and takes away these heats and need the amount of the air consumed also to be basically unchanged, and therefore, the heat of generation and the heat taken away can keep a basic balance.The coal gas that coal produces also can be fully burned, and produces maximum heat with minimum coal.
Coal in combustor is under the effect of high temperature, first can become dry, then there is dry distilling pyrolysis, produce the products such as coal gas, tar, semicoke, the tar, the semicoke that produce fully burn in a combustion chamber after combustion-supporting air outlet oxygen supply, and the coal gas of generation fully burns at gas burner place after gas collector is collected.This combustion system is for direct burning solid coal, and burning is more abundant, and coal utilizaton rate is higher, and the harmful gas produced is less.
During coal burning, owing to the secondary air outlet air pressure on combustor top is high, simultaneously relatively low with the expansion chamber air pressure of combustion chamber, therefore the heat smoke that coal burning produces can flow to expansion chamber by the gap of the furnace wall of combustor Yu top, owing to expansion chamber 3 is the cavity that a cross section is bigger, therefore heat smoke flow velocity in expansion chamber can reduce, and the dust in flue gas can be deposited to the bottom of expansion chamber.On furnace shell, the position corresponding to expansion chamber is provided with dust removal port 86, when Dust Capacity accumulation is more in expansion chamber, it is possible to open dust removal port, is taken out by dust and processes.The coal filling hole of the present invention, slagging-off mouth, ash disposal mouth, dust removal port all seal when not using, it is prevented that cold air enters in stove.Heat smoke after expansion chamber enters in the exhaust gases passes 42 of heat exchanger by smoke-intake pipe 421, exhaust gases passes 42 and air-conditioner wind passage 43 within heat exchanger 4 are waveform, therefore heat smoke and cold air can carry out sufficient heat exchange, heat exchanger completes after heat exchange, heat smoke enters in flue interlayer 6 by exhanst gas outlet, waste heat in flue gas further with flue interlayer above water tank 7 in water carry out heat exchange, with after emit through exhaust opening 61.
In the present embodiment, except control instrument, the symmetrical layout of all parts of air stove, this arrangement more compact and reasonable, can be according to actual needs in production, it is also possible to select not adopt symmetrical arrangement.The present embodiment is only a kind of way of realization of the present invention, and does not represent protection scope of the present invention, comprises in the claim of the present invention other ways of realization of all technical characteristic all within protection scope of the present invention.
Claims (8)
1. the coal-fired hot-blast stove of an equivalent burning, furnace shell (8) including airtight setting, the heat exchanger (4) that the air inlet (81) connected with aerator be provided with the combustor (2) above fire grate and fire grate in furnace shell (8), being arranged on furnace shell (8) connects with combustor (2), it is characterised in that:
Described heat exchanger (4) is arranged in furnace shell (8), and described air inlet (81) is divided into combustion-supporting air outlet and air port for air conditioner；Described combustion-supporting air outlet connects with the main air outlet (22) below the fire grate of combustor (2), and the air outlet of combustor (2) is communicated to heat exchanger (4) and discharges by by exhaust opening (61)；Described air port for air conditioner is communicated to the hot-blast outlet (82) to indoor thermal wind exhausting after heat exchanger (4)；
Described combustor (2) is arranged over the gas collector (1) with combustion chamber；The furnace wall (20) of combustor (2) is provided with the gas burner (23) led in combustor (2), being connected by gas conveying tube (13) between gas collector (1) with gas burner (23), gas burner (23) also connects with combustion-supporting air outlet；
The allocation of the amount of air ratio of described air port for air conditioner and combustion-supporting air outlet is 3:1～10:1, makes the heat that the heat that air-conditioner wind absorbs always produces with fuel combustion adapt, forms equivalent burning；
Described aerator (9) controls device with one and is connected, controlling device and include the control instrument (92) of control aerator (9) operating, closedown and running speed, described control instrument (92) is connected to the thermometer (93) for detecting ambient temperature.
2. the coal-fired hot-blast stove of a kind of equivalent according to claim 1 burning, it is characterized in that: described gas burner (23) includes the gas passage (231) being connected with gas collector (1) and the air duct (232) providing air for gas-fired connected with combustion-supporting air outlet, described gas passage is provided with gas exit (233), being provided with air outlet slit (234) on described air duct, gas exit (233) is arranged with air outlet slit (234) suit.
3. the coal-fired hot-blast stove of a kind of equivalent according to claim 2 burning, it is characterised in that: the air quantity of described air duct (232) accounts for the 40%～80% of combustion-supporting air outlet air quantity.
4. the coal-fired hot-blast stove of a kind of equivalent according to claim 1 burning, it is characterised in that: described combustor (2) top arranges the secondary air outlet (12) for stoping hot blast to move upward connected with combustion-supporting air outlet.
5. the coal-fired hot-blast stove of a kind of equivalent according to claim 1 burning, it is characterized in that: described heat exchanger (4) is mainly made up of some waveform heat exchanger fins (41) being arranged in parallel, the ripple heave direction of adjacent heat exchanger fin (41) is consistent, sequentially forms the exhaust gases passes (42) passing into flue gas and the air-conditioner wind passage (43) passing into air between waveform heat exchanger fin (41)；The smoke inlet of described exhaust gases passes is positioned at the bottom of heat exchanger (4), the exhanst gas outlet of exhaust gases passes is positioned at the top of heat exchanger (4), the air-conditioner wind entrance of described air-conditioner wind passage is positioned at the top of heat exchanger (4), and the air-conditioner wind outlet of air-conditioner wind passage is positioned at the bottom of heat exchanger (4).
6. the coal-fired hot-blast stove of a kind of equivalent according to claim 5 burning, it is characterized in that: the smoke inlet of described heat exchanger (4) exhaust gases passes is provided with smoke-intake pipe (421), the outer wall of smoke-intake pipe (421) is provided with some fin A (422), corresponding smoke-intake pipe (421) blowout of the air-conditioner wind of the air-conditioner wind passage of heat exchanger (4) outlet then air-conditioner wind cavity entrance hot-blast outlet (82) between heat exchanger (4) and front and back furnace shell (8).
7. the coal-fired hot-blast stove of a kind of equivalent according to claim 6 burning, it is characterized in that: be welded with high temperature heat sink (5) on the outer surface of described combustor (2), high temperature heat sink (5) is the corrugated fin B (51) of at least two；The air-conditioner wind outlet of the air-conditioner wind passage of heat exchanger (4) also corresponding fin B (51).
8. the coal-fired hot-blast stove of a kind of equivalent according to claim 1 burning, it is characterised in that: the air outlet of described combustor (2) is used in heat of dissociation flue gas to connect with heat exchanger (4) after the expansion chamber (3) of dust through one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310677818.2A CN103615801B (en) | 2013-12-13 | 2013-12-13 | A kind of coal-fired hot-blast stove of equivalent burning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310677818.2A CN103615801B (en) | 2013-12-13 | 2013-12-13 | A kind of coal-fired hot-blast stove of equivalent burning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103615801A CN103615801A (en) | 2014-03-05 |
| CN103615801B true CN103615801B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310677818.2A Expired - Fee Related CN103615801B (en) | 2013-12-13 | 2013-12-13 | A kind of coal-fired hot-blast stove of equivalent burning |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2396627Y (en) * | 1999-05-12 | 2000-09-20 | 北京中贸发科技贸易公司 | Horizontal high efficient energy saving air heater |
| JP2007240121A (en) * | 2006-03-13 | 2007-09-20 | Shoichi Ueno | Stove with dry distillation gas afterburner, and afterburner |
| CN201382553Y (en) * | 2009-03-26 | 2010-01-13 | 王全红 | Horizontal gas-fired boiler |
| CN201449007U (en) * | 2009-07-11 | 2010-05-05 | 盛文业 | A turn-back flow coal burning hot air furnace |
| CN102313353A (en) * | 2011-09-28 | 2012-01-11 | 李学淑 | Novel hotblast stove |
| CN102635940A (en) * | 2012-05-05 | 2012-08-15 | 刘善华 | Gasification combined-combustion hot-blast stove |
-
2013
- 2013-12-13 CN CN201310677818.2A patent/CN103615801B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2396627Y (en) * | 1999-05-12 | 2000-09-20 | 北京中贸发科技贸易公司 | Horizontal high efficient energy saving air heater |
| JP2007240121A (en) * | 2006-03-13 | 2007-09-20 | Shoichi Ueno | Stove with dry distillation gas afterburner, and afterburner |
| CN201382553Y (en) * | 2009-03-26 | 2010-01-13 | 王全红 | Horizontal gas-fired boiler |
| CN201449007U (en) * | 2009-07-11 | 2010-05-05 | 盛文业 | A turn-back flow coal burning hot air furnace |
| CN102313353A (en) * | 2011-09-28 | 2012-01-11 | 李学淑 | Novel hotblast stove |
| CN102635940A (en) * | 2012-05-05 | 2012-08-15 | 刘善华 | Gasification combined-combustion hot-blast stove |
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| CN103615801A (en) | 2014-03-05 |
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