CN207162605U - A kind of energy-saving environment protection fire coal cooking and heating furnace - Google Patents
A kind of energy-saving environment protection fire coal cooking and heating furnace Download PDFInfo
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- CN207162605U CN207162605U CN201721171910.1U CN201721171910U CN207162605U CN 207162605 U CN207162605 U CN 207162605U CN 201721171910 U CN201721171910 U CN 201721171910U CN 207162605 U CN207162605 U CN 207162605U
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Abstract
The utility model provides a kind of coal-fired cooking and heating furnace, is provided separately cloth wind and deslagging function in the coal-fired cooking and heating furnace, i.e., by being obliquely installed fire grate, plays the effect of cloth wind and support fire coal, deslagging is carried out by setting special bottom ash to discharge plate.The bottom ash discharge plate is in the end of cloth wind furnace grate, and its top is generally the bottom ash of abundant after-flame, will not discharge unburned coke in deslagging.Cloth wind and deslagging function are provided separately by the utility model, rationally set fire grate, avoid the waste of fire coal and deslagging excessively causes coal-char combustion area to destroy even " collapse stove " phenomenon, make the fire coal in coal-fired cooking and heating furnace can be with substantially stabilized smokeless burning.
Description
Technical field
The utility model belongs to coal-fired combustion equipment field, is related to a kind of coal-fired cooking and heating furnace, more particularly to a kind of point
Not carry out cloth wind and deslagging energy-saving environment protection fire coal cooking and heating furnace.
Background technology
At present, the family of northern China certain areas, particularly small towns and country residentses, generally using native heating heating,
Due to the design of cooking stove, science, part coal are not unable to completely burned and discharged with cigarette, and utilization rate is low, not only coal consumption amount
Greatly, and serious pollution can be caused to air.Also, in real life, numerous rural subscribers are while heating, it is also desirable to
Stove can use simultaneously and cooking, such as heats up water, cooks and cooking, that is, needs stove to be provided simultaneously with heating and cooking function.
At present, domestic stove mainly has two kinds of coal-fired forms on the market：
It is positive to burn stove (Fig. 1 (a))：It is i.e. traditional most simply and most common direct combustion mode, flame during solid fuel ignition
Propagated along heat smoke nature flow direction, combustion intensity is high, and firepower is prosperous, can meet user's cooking demand.The positive stove that burns is applied to nothing
The low fuel of the volatile matters such as bituminous coal.Although just burning stove with good cooking ability, using bituminous coal dispersion coal or using bituminous coal as
Made of raw material during moulded coal, heating of being heated after being added due to fire coal, Volatile, discharged immediately with flue gas, volatile matter is difficult to
After-flame, cause a large amount of black smokes (tar, CO, VOC, sulphur and nitrogen oxide etc.) and people's smell of choking to be emerged, seriously pollute environment.
Reverse burning furnace (Fig. 1 (b))：I.e. solid fuel ignition when flame backheating flue gas nature flow direction propagate burning side
Formula, there is the characteristics of delaying Volatile speed, furnace temperature is high, burning is abundant, black smoke can be substantially eliminated, suitable for bituminous coal etc.
The high fuel of volatile matter.Because reverse burning furnace uses more backhaul designs more, to improve after-flame degree, firepower is weaker, therefore it should not be used
In cooking, it can only warm oneself, it is difficult to which by part, common people receive；Simultaneously because almost whole burner hearth is in oxygen-enriched high-temp combustion, nitrogen
Emissions of oxides concentration is higher.
For problem present in conventional oven, people work out the civil that can be applied to cooking and heating simultaneously
Stove-gasification furnace (such as CN 201212696Y and CN 201555250U), but have that stove combustion period is strong, load is not easy
Regulation, the defects of fire-sealing time is short and coal consumption is big.It can be brought rapidly up after coal, and volatile matter quickly separates out, and cause a large amount of
Sulphur and nitrogen oxides drastically separate out.
Fractional combustion stove is theoretical based on fractional combustion and develop, utilizes oneself pyrolysis gas under oxygen deprivation state of coal
The reducing substances such as coke caused by change and CO makes NO caused by coalxIt is reduced to N2, it is that uniquely there is this category feature both at home and abroad
Low nitrogen coal stove.
In existing civil cooking and heating furnace mostly, fire grate is rotatable or movable, the cloth wind with strip perforate
Plate.It primarily serves the effect of following three aspects：(1) to the coal-fired offer support in burner hearth；(2) provided by strip perforate
The air of burning；(3) fire grate is rocked and deslagging by the rotating handles being connected on fire grate.
However, in existing civil cooking and heating furnace mostly there is problems with being related to for fire grate：
(1) in coal-fired cooking heating furnace slag discharge, particularly when rotating handles rocks it is excessive when, the fire coal above furnace wall is big
Portion can all fall into ash bucket, stove is lost normal operating, it is necessary to light a fire again；
(2) due to the fire coal on fire grate, in deslagging may not abundant after-flame, be entrained discharging in deslagging, make
Lost into fire coal；
(3) to take into account cloth wind and deslagging requirement, the perforate of fire grate is often bigger, although facilitating deslagging, causes
Air capacity is excessive, causes the problems such as flue gas heat loss is big, and NO_x formation concentration is high.
Utility model content
For above mentioned problem existing for existing cooking and heating furnace, the utility model provides a kind of progress cloth wind and row respectively
The energy-saving environment protection fire coal cooking and heating furnace and cooking heating method and purposes of slag.The utility model separates cloth wind and deslagging function
Set, fire grate is rationally set, avoid the waste of fire coal and deslagging excessively causes coal-char combustion area to destroy or even occur " collapsing
Stove " phenomenon, make the fire coal in coal-fired cooking and heating furnace can be with substantially stabilized smokeless burning.
To use following technical scheme up to this purpose, the utility model：
The utility model provides a kind of coal-fired cooking and heating furnace, and the coal-fired cooking and heating furnace body top side is provided with
Chimney, the coal-fired cooking and heating furnace body top are provided with cooking mouth with chimney opposite side；The coal-fired cooking and heating furnace master
The lower section of internal portion's cooking mouth sets the first diaphragm plate, the side of the first diaphragm plate and coal-fired cooking heating furnace main body cooking mouth one
The furnace wall of side connects, and opposite side sets cooking heating changeover module；Burner in cooking is opened up on first diaphragm plate, it is described to cook a meal
Movable cover plate is stamped in thing on burner；The lower section of the coal-fired cooking and heating furnace body interior chimney sets the second diaphragm plate, the
The side of two diaphragm plates connects with the furnace wall of coal-fired cooking heating furnace main body chimney side, the opposite side of the second diaphragm plate perpendicular to
Second diaphragm plate sets the first vertical clapboard, and furnace interior is divided into the chamber of two connections by the first vertical clapboard, positioned at chimney one
The chamber of side is pyrolytic gasification area, and the chamber positioned at cooking mouth side is flue gas burning-out zone；Pyrolytic gasification area inclined downward
Fire grate is set, primary air nozzle is set below the fire grate；Overfiren air port is set below the flue gas burning-out zone, it is described secondary
Bottom ash is set to discharge plate below air port, bottom ash discharge plate is connected with fire grate, is set below bottom ash discharge plate and is received ash bucket；The heat
The furnace wall of solution gasification zone side is provided with coal filling hole；The fire grate is provided with wind distributing hole, its percent opening ＜ 20%.
Wherein, its percent opening can be 19%, 17%, 15%, 13%, 10%, 9% or 7% etc., it is not limited to listed
The numerical value of act, other interior unrequited numerical value of the number range are equally applicable.In the utility model, the cloth wind on the fire grate
The percent opening in hole should control in the reasonable scope, and to meet the optimal requirement of fired coal combustion, i.e., superfluous oxygen contains in control smoke evacuation
Amount<10%, make tar, volatile matter, half with the burning of air be in it is faint reduce to or faint oxidizing atmosphere.
In the utility model, the effect of the cooking heating changeover module is cooking and the heating function for switching stove,
When regulation cooking heating cuts component and it be connected with the second diaphragm plate, barrier flue gas makes firepower concentrate on cooking into chimney
Interior burner carries out cooking；Regulation cooking heating, which cuts component, makes it be disconnected with the first diaphragm plate, opens passage, can make flue gas
Carry out carrying out heating in chimney.
Cloth wind and deslagging function are provided separately in coal-fired cooking and heating furnace described in the utility model, i.e., by being obliquely installed
Fire grate, the effect of cloth wind and support fire coal is played, deslagging is carried out by setting special bottom ash to discharge plate.The bottom ash discharge
Plate is in the end of cloth wind furnace grate, and its top is generally the bottom ash of abundant after-flame, will not arrange unburned coke in deslagging
Go out.Meanwhile because different parts are respectively adopted from fire coal support in deslagging, the fire coal in deslagging in stove charcoal will not lose support
And ash bucket is fallen into, enter without causing " collapse stove " phenomenon.
In the utility model, the fire grate can be fixedly installed, can also allow to have it is small rock, be advantageous to fire grate
The burning of upper coke and moved down by gravity.
The preferable technical scheme of the utility model is used as below, but not as the limit of technical scheme provided by the utility model
System, by the following technical programs, can preferably reach and realize technical purpose and beneficial effect of the present utility model.
As the preferable technical scheme of the utility model, the angle α of the fire grate and horizontal plane is 15 °~60 °, such as
15 °, 17 °, 20 °, 25 °, 30 °, 35 °, 40 °, 45 °, 50 °, 55 ° or 60 ° etc., it is not limited to cited numerical value, the number
Other unrequited numerical value are equally applicable in the range of value.
In the utility model, the fire grate effect is coal-fired support and cloth wind, and then is advantageous to coke on fire grate
Burning and moved down by gravity.If the angle of the fire grate and horizontal plane is too small (i.e. less than 15 °), semicoke is difficult to rely on
Gravity is mobile to slag discharge plate and is deposited on fire grate, is unable to reach effective cloth wind, makes the burning of tar, volatile matter and semicoke
It cannot get sufficient oxygen；If angle is excessive (i.e. more than 60 °), causes uncombusted coal and semicoke excessively to flow to dreg discharging area, cause
Fire coal wastes and unstable smoke elimination.
As the preferable technical scheme of the utility model, the number of the bottom ash discharge plate is 2~3.
As the preferable technical scheme of the utility model, heating water heat exchanger tube is set in the chimney.
As the preferable technical scheme of the utility model, venturi conduit is vertically arranged in the flue gas burning-out zone；It is described
Tertiary air orifice is set around trunnion at the trunnion of venturi conduit；The number ＞ of the tertiary air orifice 1, for example, 2,3,4
Individual, 5 or 6 etc., it is not limited to cited numerical value, other unrequited numerical value are equally applicable in the number range；
The furnace wall of the coal-fired cooking heating furnace main body cooking mouth side is provided with the after-flame air port connected with tertiary air orifice.
The cooking heating method of above-mentioned coal-fired cooking and heating furnace, the described method comprises the following steps：
(a) fire coal is added in coal-fired cooking and heating furnace by coal filling hole, fire coal enters pyrolytic gasification area and carries out pyrolysis gas
Change, produce tar, volatile matter and semicoke；
(b) tar, volatile matter and semicoke flow downward caused by step (a), the sky introduced with primary air nozzle through fire grate
Gas contacts, and tar, volatile matter, semicoke and air contact is burnt；
(c) sky that caused flue gas introduces with overfiren air port after step (b) volatile matter, semicoke and air contact burning
Gas contact carries out an after-flame, and the flue gas in afterburnt carries out cooking or heating operation, and the bottom ash of after-flame is discharged plate by bottom ash and arranged
Go out.
More specifically, when being vertically arranged venturi conduit in the flue gas burning-out zone, step (b) volatile matter,
Semicoke carries out an after-flame, uncombusted cigarette with caused flue gas after air contact burning with the air contact that overfiren air port introduces
Gas enters venturi conduit and carries out secondary after-flame burning with the air contact that tertiary air orifice introduces, and the flue gas in secondary afterburnt is carried out
Cooking or heating operation, the bottom ash of after-flame are discharged plate by bottom ash and discharged.
Compared with prior art, the utility model has the advantages that：
Cloth wind and deslagging function are provided separately in coal-fired cooking and heating furnace described in the utility model, sets and inclines in body of heater
Oblique fire grate, the percent opening of Reasonable Regulation And Control fire grate can play the effect of cloth wind and support fire coal, while can meet to fire
The optimal requirement of coal combustion, superfluous oxygen content in control smoke evacuation<10%, lower NO_x formation, make coal-fired burn-off rate big
In 98%, do not smolder, CO discharge capacitys are less than 2000ppm, realize under full working scope that (coal, deslagging, cooking, heating, banking etc.) is steady
Determine smokeless combustion；
, will not be by unburned Jiao in deslagging meanwhile the utility model carries out deslagging by setting special bottom ash to discharge plate
Charcoal is discharged, and is avoided fire coal and is lost support and fall into ash bucket, will not cause " collapse stove " phenomenon.
Brief description of the drawings
Fig. 1 (a) is traditional positive burning stove burning schematic diagram；
Fig. 1 (b) is traditional reverse burning furnace burning schematic diagram；
Fig. 2 is the structural representation of coal-fired cooking and heating furnace described in the utility model embodiment 1；
Fig. 3 is that coal-fired cooking and heating furnace carries out flow of flue gas schematic diagram during cooking described in the utility model embodiment 1；
Fig. 4 is that coal-fired cooking and heating furnace carries out flow of flue gas schematic diagram during heating described in the utility model embodiment 1
Fig. 5 is the structural representation of coal-fired cooking and heating furnace described in the utility model embodiment 2；
Wherein, 1- chimneys, 2- cooking mouths, the diaphragm plates of 3- first, 4- cooking heating changeover modules, burner in 5- cooking, 6-
Movable cover plate, the diaphragm plates of 7- second, the vertical clapboards of 8- first, 9- fire grates, 10- primary air nozzles, 11- overfiren air ports, 12- bottom ash row
Ejecting plate, 13- receive ash bucket, 14- coal filling holes, 15- heating water heat exchanger tubes, 16- venturi conduits, 17- tertiary air orifices, 18- after-flames
Air port.
Embodiment
For the utility model is better described, the technical solution of the utility model is readily appreciated, below to the utility model
It is further described.But following embodiments is only simple example of the present utility model, does not represent or limit this practicality
New rights protection scope, scope of protection of the utility model are defined by claims.
The utility model specific embodiment part provides a kind of coal-fired cooking and heating furnace and its cooking heating method, described
Coal-fired cooking and heating furnace body top side is provided with chimney 1, the coal-fired cooking and heating furnace body top and the opposite side of chimney 1
Provided with cooking mouth 2；The lower section of the coal-fired cooking and heating furnace body interior cooking mouth 2 sets the first diaphragm plate 3, the first diaphragm plate
3 side connects with the furnace wall of the coal-fired side of cooking heating furnace main body cooking mouth 2, and opposite side sets cooking heating changeover module 4；
Open up burner 5 in cooking on first diaphragm plate 3, movable cover plate 6 is stamped on burner 5 in the cooking；The coal-fired cooking
The lower section of heating stove body interior chimney 1 sets the second diaphragm plate 7, the side of the second diaphragm plate 7 and coal-fired cooking and heating furnace master
The furnace wall of the side of body chimney 1 connects, and the opposite side of the second diaphragm plate 7 sets the first vertical clapboard 8 perpendicular to the second diaphragm plate 7, the
Furnace interior is divided into the chamber of two connections by one vertical clapboard 8, and the chamber positioned at the side of chimney 1 is pyrolytic gasification area, is located at
The chamber of the side of cooking mouth 2 is flue gas burning-out zone；Pyrolytic gasification area inclined downward sets fire grate 9, under the fire grate 9
Side sets primary air nozzle 10；Overfiren air port 11 is set below the flue gas burning-out zone, and the overfiren air port 11 sets bottom ash to discharge
Plate 12, bottom ash discharge plate 12 are connected with fire grate 9, and the lower section of bottom ash discharge plate 12, which is set, receives ash bucket 13；Pyrolytic gasification area side
Furnace wall be provided with coal filling hole 14.The fire grate 9 is provided with wind distributing hole, its percent opening ＜ 20%.
The cooking heating method comprises the following steps：
(a) fire coal is added in coal-fired cooking and heating furnace by coal filling hole 14, fire coal is pyrolyzed into pyrolytic gasification area
Gasification, produce tar, volatile matter and semicoke；
(b) tar, volatile matter and semicoke flow downward caused by step (a), are introduced with primary air nozzle 10 through fire grate 9
Air contact, tar, volatile matter, semicoke and air contact is set to burn；
(c) caused flue gas and the introducing of overfiren air port 11 after step (b) volatile matter, semicoke and air contact burning
Air contact carries out an after-flame, and the flue gas in afterburnt carries out cooking or heating operation, the bottom ash of after-flame discharge plate by bottom ash
12 discharges.
It is below the utility model typical case but non-limiting example：
Embodiment 1：
A kind of coal-fired cooking and heating furnace and its processing method are present embodiments provided, as shown in Fig. 2 the coal-fired cooking is adopted
Radiator body top side is provided with chimney 1, and the coal-fired cooking and heating furnace body top is provided with cooking mouth with the opposite side of chimney 1
2；The lower section of the coal-fired cooking and heating furnace body interior cooking mouth 2 sets the first diaphragm plate 3, the side of the first diaphragm plate 3 with
The furnace wall of the coal-fired side of cooking heating furnace main body cooking mouth 2 connects, and opposite side sets cooking heating changeover module 4；Described first
Open up burner 5 in cooking on diaphragm plate 3, movable cover plate 6 is stamped on burner 5 in the cooking；The coal-fired cooking and heating furnace master
The lower section of internal portion chimney 1 sets the second diaphragm plate 7, the side of the second diaphragm plate 7 and coal-fired cooking heating furnace main body chimney 1 one
The furnace wall of side connects, and the opposite side of the second diaphragm plate 7 sets the first vertical clapboard 8, the first vertical clapboard 8 perpendicular to the second diaphragm plate 7
Furnace interior is divided into the chamber of two connections, the chamber positioned at the side of chimney 1 is pyrolytic gasification area, positioned at cooking mouth 2 one
The chamber of side is flue gas burning-out zone；Pyrolytic gasification area inclined downward sets fire grate 9, and the lower section of fire grate 9 sets one
Secondary air port 10；Overfiren air port 11 is set below the flue gas burning-out zone, the lower section of overfiren air port 11 sets bottom ash to discharge plate 12,
Bottom ash discharge plate 12 is connected with fire grate 9, and the lower section of bottom ash discharge plate 12, which is set, receives ash bucket 13；The furnace wall of pyrolytic gasification area side
It is provided with coal filling hole 14.
Wherein, the angle α of the fire grate 9 and horizontal plane is 40 °, which is provided with wind distributing hole, percent opening is about 15%；Institute
The number for stating bottom ash discharge plate 12 is 2；Heating water heat exchanger tube 15 is set in the chimney 1.
Its cooking heating method is：
(a) clean moulded coal is added in coal-fired cooking and heating furnace by coal filling hole 14, fire coal, which enters pyrolytic gasification area, to be carried out
Pyrolytic gasification, produce tar, volatile matter and semicoke；
(b) tar, volatile matter and semicoke flow downward caused by step (a), are introduced with primary air nozzle 10 through fire grate 9
Air contact, tar, volatile matter, semicoke and air contact is set to carry out oxygen-enriched combusting；
(c) caused flue gas and the introducing of overfiren air port 11 after step (b) volatile matter, semicoke and air contact burning
Air contact carries out an after-flame, and the flue gas in afterburnt carries out cooking or heating operation, the bottom ash of after-flame discharge plate by bottom ash
12 discharges；
When coal-fired cooking and heating furnace carries out cooking, as shown in figure 3, regulation movable cover plate 6, is in burner 5 in cooking
Opening, while adjusting cooking heating changeover module 4 makes it connect with the second diaphragm plate 7, barrier flue gas enters in chimney 1,
The flue gas flow direction cooking mouth 2 in afterburnt drives flame to carry out cooking；When coal-fired cooking and heating furnace carries out heating, as shown in figure 4,
Movable cover plate 6 is adjusted, burner 5 in cooking is in closure state, while adjusting cooking heating changeover module 4 makes it horizontal with second
Dividing plate 7 disconnects, and makes the flue gas flow direction chimney 1 in afterburnt, drives flame to carry out the heating of heating water.
Coal-fired burn-off rate is more than 98% during the heating-cooking of coal heating stove described in the present embodiment, does not smolder, CO rows
High-volume it is less than 2000ppm, discharges total O in flue gas2Content ＜ 10%, (coal, deslagging, cooking, heating, envelope are realized under full working scope
Stove etc.) stabilization smokeless combustion.
Embodiment 2：
A kind of coal-fired cooking and heating furnace and its processing method are present embodiments provided, as shown in figure 5, the coal-fired cooking is adopted
Radiator body top side is provided with chimney 1, and the coal-fired cooking and heating furnace body top is provided with cooking mouth with the opposite side of chimney 1
2；The lower section of the coal-fired cooking and heating furnace body interior cooking mouth 2 sets the first diaphragm plate 3, the side of the first diaphragm plate 3 with
The furnace wall of the coal-fired side of cooking heating furnace main body cooking mouth 2 connects, and opposite side sets cooking heating changeover module 4；Described first
Open up burner 5 in cooking on diaphragm plate 3, movable cover plate 6 is stamped on burner 5 in the cooking；The coal-fired cooking and heating furnace master
The lower section of internal portion chimney 1 sets the second diaphragm plate 7, the side of the second diaphragm plate 7 and coal-fired cooking heating furnace main body chimney 1 one
The furnace wall of side connects, and the opposite side of the second diaphragm plate 7 sets the first vertical clapboard 8, the first vertical clapboard 8 perpendicular to the second diaphragm plate 7
Furnace interior is divided into the chamber of two connections, the chamber positioned at the side of chimney 1 is pyrolytic gasification area, positioned at cooking mouth 2 one
The chamber of side is flue gas burning-out zone；Pyrolytic gasification area inclined downward sets fire grate 9, and the lower section of fire grate 9 sets one
Secondary air port 10；Overfiren air port 11 is set below the flue gas burning-out zone, and the overfiren air port 11 sets bottom ash to discharge plate 12, bottom ash
Discharge plate 12 is connected with fire grate 9, and the lower section of bottom ash discharge plate 12, which is set, receives ash bucket 13；Set on the furnace wall of pyrolytic gasification area side
There is coal filling hole 14.
Wherein, the angle α of the fire grate 9 and horizontal plane is 45 °, which is provided with wind distributing hole, percent opening is about 13%；Institute
The number for stating bottom ash discharge plate 12 is 3；Heating water heat exchanger tube 15 is set in the chimney 1.
Venturi conduit 16 is vertically arranged in the flue gas burning-out zone；Set at the trunnion of venturi conduit 16 around trunnion
3 tertiary air orifices 17；The furnace wall of the coal-fired side of cooking heating furnace main body cooking mouth 2 is provided with what is connected with tertiary air orifice 17
After-flame air port 18.
Its cooking heating method is：
(a) clean moulded coal is added in coal-fired cooking and heating furnace by coal filling hole 14, fire coal, which enters pyrolytic gasification area, to be carried out
Pyrolytic gasification, produce tar, volatile matter and semicoke；
(b) tar, volatile matter and semicoke flow downward caused by step (a), are introduced with primary air nozzle 10 through fire grate 9
Air contact, tar, volatile matter, semicoke and air contact is set to carry out oxygen-enriched combusting；
(c) caused flue gas and the introducing of overfiren air port 11 after step (b) volatile matter, semicoke and air contact burning
Air contact carries out an after-flame, and uncombusted flue gas enters the air contact that venturi conduit 16 introduces with tertiary air orifice 17 and entered
The secondary after-flame burning of row, the flue gas in secondary afterburnt carry out cooking or heating operation, and the bottom ash of after-flame discharges plate 12 by bottom ash
Discharge；
When coal-fired cooking and heating furnace carries out cooking, movable cover plate 6 is adjusted, burner 5 in cooking is in opening, together
When adjust cooking heating changeover module 4 and it is connected with the second diaphragm plate 7, barrier flue gas enters in chimney 1, the flue gas in afterburnt
Flowing to cooking mouth 2 drives flame to carry out cooking；When coal-fired cooking and heating furnace carries out heating, movable cover plate 6 is adjusted, is made in cooking
Burner 5 is in closure state, while adjusting cooking heating changeover module 4 makes it be disconnected with the second diaphragm plate 7, makes the afterburnt
Flue gas flow direction chimney 1, drive flame carry out heating water heating.
Coal-fired burn-off rate is more than 99% during the heating-cooking of coal heating stove described in the present embodiment, does not smolder, CO rows
High-volume it is less than 1800ppm, discharges total O in flue gas2Content ＜ 10%, (coal, deslagging, cooking, heating, envelope are realized under full working scope
Stove etc.) stabilization smokeless combustion.
Embodiment 3：
Present embodiments provide a kind of coal-fired cooking and heating furnace and its processing method, the structure of the coal-fired cooking and heating furnace
With reference to embodiment 1, difference is：The angle α of the fire grate 9 and horizontal plane is 15 °, which is provided with wind distributing hole, percent opening is about
For 10%.
The heating-cooking method of coal heating stove described in the present embodiment is with reference to processing method in embodiment 1.
Coal-fired burn-off rate is more than 97% during the heating-cooking of coal heating stove described in the present embodiment, does not smolder, CO rows
High-volume it is less than 2000ppm, discharges total O in flue gas2Content ＜ 10%, (coal, deslagging, cooking, heating, envelope are realized under full working scope
Stove etc.) stabilization smokeless combustion.
Embodiment 4：
Present embodiments provide a kind of coal-fired cooking and heating furnace and its processing method, the structure of the coal-fired cooking and heating furnace
With reference to embodiment 2, difference is：The angle α of the fire grate 9 and horizontal plane is 60 °, which is provided with wind distributing hole.
The heating-cooking method of coal heating stove described in the present embodiment is with reference to processing method in embodiment 2.
Coal-fired burn-off rate is more than 98% during the heating-cooking of coal heating stove described in the present embodiment, does not smolder, CO rows
High-volume it is less than 2000ppm, discharges total O in flue gas2Content ＜ 10%, (coal, deslagging, cooking, heating, envelope are realized under full working scope
Stove etc.) stabilization smokeless combustion.
Comparative example 1：
This comparative example provides a kind of coal-fired cooking and heating furnace and its processing method, the structure reference of the coal heating stove
Structure in embodiment 1, difference are：The fire grate 9 is horizontal positioned.
The heating-cooking method of coal heating stove described in this comparative example is with reference to processing method in embodiment 1.
Coal-fired burn-off rate is 85%, CO discharge capacitys during heating-cooking through coal heating stove described in this comparative example>
3000ppm, discharge total O in flue gas2Content is 15%.In practical operation, because deslagging is improper, it is existing repeatedly to there is " collapse stove "
As.
Comparative example 2：
This comparative example provides a kind of coal-fired cooking and heating furnace and its processing method, the structure reference of the coal heating stove
Structure in embodiment 1, difference are：The percent opening of the fire grate 9 is 30% (i.e. percent opening is excessive).
The heating-cooking method of coal heating stove described in this comparative example is with reference to processing method in embodiment 1.
Coal-fired burn-off rate 90%, CO discharge capacitys are during heating-cooking through coal heating stove described in this comparative example
2000ppm, discharge total O in flue gas2Content 15%, it may appear that high fume temperature, phenomena such as heat loss is big.
Comparative example 3：
This comparative example provides a kind of coal-fired cooking and heating furnace and its processing method, the structure reference of the coal heating stove
Structure in embodiment 1, difference are：Bottom ash discharge plate 12 is not set in the body of heater, bottom ash passes through the rotation that is connected on fire grate 9
Handle hand wobble fire grate and deslagging.
The heating-cooking method of coal heating stove described in this comparative example is with reference to processing method in embodiment 1.
The fire coal in deslagging of coal-fired cooking and heating furnace described in this comparative example can lose support and fall into ash bucket, in turn result in
" collapse stove " phenomenon.
Summary embodiment and comparative example can be seen that cloth wind in coal-fired cooking and heating furnace described in the utility model and
Deslagging function is provided separately, and inclined fire grate is set in body of heater, the percent opening of Reasonable Regulation And Control fire grate, can play cloth wind
The coal-fired effect with support, while the optimal requirement of fired coal combustion can be met, superfluous oxygen content in control smoke evacuation<10%,
Lower NO_x formation, coal-fired burn-off rate is more than 98%, do not smolder, CO discharge capacitys are less than 2000ppm, realize under full working scope
(coal, deslagging, cooking, heating, banking etc.) stable smokeless combustion；
, will not be by unburned Jiao in deslagging meanwhile the utility model carries out deslagging by setting special bottom ash to discharge plate
Charcoal is discharged, and is avoided fire coal and is lost support and fall into ash bucket, will not cause " collapse stove " phenomenon.
Applicant states that the utility model illustrates detailed process equipment and work of the present utility model by above-described embodiment
Skill flow, but the utility model is not limited to above-mentioned detailed process equipment and technological process, that is, does not mean that the utility model
Having to rely on above-mentioned detailed process equipment and technological process could implement.Person of ordinary skill in the field is it will be clearly understood that right
Any improvement of the present utility model, the adding of equivalence replacement and auxiliary element to each raw material of the utility model product, specific side
Selection of formula etc., within the scope of all falling within the scope of protection of the utility model and disclosing.
Claims (5)
1. a kind of coal-fired cooking and heating furnace, it is characterised in that the coal-fired cooking and heating furnace body top side is provided with chimney
(1), the coal-fired cooking and heating furnace body top is provided with cooking mouth (2) with chimney (1) opposite side；The coal-fired cooking heating
The lower section of cooking mouth (2) sets the first diaphragm plate (3), side and the coal-fired cooking heating of the first diaphragm plate (3) inside furnace main body
The furnace wall of furnace main body cooking mouth (2) side connects, and opposite side sets cooking heating changeover module (4)；First diaphragm plate (3)
On open up burner in cooking (5), be stamped movable cover plate (6) on burner (5) in the cooking；The coal-fired cooking heating furnace main body
The lower section of internal chimney (1) sets the second diaphragm plate (7), the side of the second diaphragm plate (7) and coal-fired cooking heating furnace main body cigarette
The furnace wall of chimney (1) side connects, and the opposite side of the second diaphragm plate (7) sets the first vertical clapboard perpendicular to the second diaphragm plate (7)
(8), furnace interior is divided into the chamber of two connections by the first vertical clapboard (8), and the chamber positioned at chimney (1) side is pyrolysis gas
Change area, the chamber positioned at cooking mouth (2) side is flue gas burning-out zone；Pyrolytic gasification area inclined downward sets fire grate (9),
Primary air nozzle (10) is set below the fire grate (9)；Overfiren air port (11) is set below the flue gas burning-out zone, it is described secondary
Bottom ash is set to discharge plate (12) below air port (11), bottom ash discharge plate (12) is connected with fire grate (9), under bottom ash discharge plate (12)
Side, which is set, receives ash bucket (13)；The furnace wall of pyrolytic gasification area side is provided with coal filling hole (14)；The fire grate (9) is provided with cloth
Air holes, its percent opening ＜ 20%.
2. coal-fired cooking and heating furnace according to claim 1, it is characterised in that the fire grate (9) and the folder of horizontal plane
Angle α is 15 °~60 °.
3. coal-fired cooking and heating furnace according to claim 1, it is characterised in that the number of bottom ash discharge plate (12) is
2~3.
4. coal-fired cooking and heating furnace according to claim 1, it is characterised in that heating water is set in the chimney (1)
Heat exchanger tube (15).
5. coal-fired cooking and heating furnace according to claim 1, it is characterised in that be vertically arranged text in the flue gas burning-out zone
Venturi road (16)；Tertiary air orifice (17) is set around trunnion at the trunnion of the venturi conduit (16)；The tertiary air orifice
(17) number ＞ 1；The furnace wall of coal-fired cooking heating furnace main body cooking mouth (2) side is provided with and tertiary air orifice (17)
The after-flame air port (18) of connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721171910.1U CN207162605U (en) | 2017-09-13 | 2017-09-13 | A kind of energy-saving environment protection fire coal cooking and heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721171910.1U CN207162605U (en) | 2017-09-13 | 2017-09-13 | A kind of energy-saving environment protection fire coal cooking and heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207162605U true CN207162605U (en) | 2018-03-30 |
Family
ID=61721515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721171910.1U Expired - Fee Related CN207162605U (en) | 2017-09-13 | 2017-09-13 | A kind of energy-saving environment protection fire coal cooking and heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207162605U (en) |
-
2017
- 2017-09-13 CN CN201721171910.1U patent/CN207162605U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180330 |