CN205843037U - Flue gas air heating furnace - Google Patents
Flue gas air heating furnace Download PDFInfo
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- CN205843037U CN205843037U CN201620626390.8U CN201620626390U CN205843037U CN 205843037 U CN205843037 U CN 205843037U CN 201620626390 U CN201620626390 U CN 201620626390U CN 205843037 U CN205843037 U CN 205843037U
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Abstract
This utility model provides a kind of flue gas air heating furnace.This utility model flue gas air heating furnace, including: burner, lighter, body of heater, mixing chamber, cooling wind inlet pipe and outlet barretter；One through hole is set on the sidewall of described mixing chamber；The gas outlet of described burner is fixing with the air inlet of described body of heater to be connected, and described lighter is arranged at the air inlet of described body of heater, for the mixed gas entering described body of heater from described burner being lighted；The gas outlet of described body of heater is connected with the air inlet of described mixing chamber, and the gas outlet of described mixing chamber is connected with the air inlet of described outlet barretter, and the gas outlet of described outlet barretter is connected with room to be dried；Described mixing chamber is connected by the air outlet of described through hole with described cooling wind inlet pipe, and the air inlet of described cooling wind inlet pipe is connected with to wind apparatus.This flue gas air heating furnace can quickly produce Low Temperature Thermal flue gas, and its simple in construction is easy to operate, and then reduces the production cost of low-temperature flue gas.
Description
Technical field
This utility model relates to mechanical technique, particularly relates to a kind of flue gas air heating furnace.
Background technology
Low Temperature Thermal flue gas can meet the large-scale low-temperature of every profession and trade dries demand, such as, feed coal is carried out oven drying at low temperature,
Low-temperature flue gas can be fully contacted with coal to be dried, and then take away the steam in coal to be dried, it is achieved to be dried
The drying of coal, avoids high temperature simultaneously and dries and cause the problems such as coal combustion to be dried, blast to produce.
The manufacture method of existing Low Temperature Thermal flue gas is to be connected with a series of heat sink by existing high temperature hot-blast furnace, uses
Process through a series of cooling etc. in the high-temperature hot flue gas that high temperature hot-blast furnace is produced, it is thus achieved that Low Temperature Thermal flue gas.
But the existing total that the high-temperature hot flue gas of high temperature hot-blast furnace is converted into Low Temperature Thermal flue gas is more complicated,
Operation easier is big, and production cost is high.Therefore, how to reduce the production cost of Low Temperature Thermal flue gas, become technical staff urgently
Solve the technical problem that.
Utility model content
This utility model provides a kind of flue gas air heating furnace, for solve prior art cannot quickly, the production of low cost low
The problem of temperature flue gas.
This utility model provides a kind of flue gas air heating furnace, including: burner, lighter, body of heater, mixing chamber, cooling wind enter
Mouth pipe and outlet barretter；One through hole is set on the sidewall of described mixing chamber；
The gas outlet of described burner is fixing with the air inlet of described body of heater to be connected, and described lighter is arranged on described body of heater
Air inlet at, for will from described burner enter described body of heater mixed gas light；
The gas outlet of described body of heater is connected with the air inlet of described mixing chamber, the gas outlet of described mixing chamber and described outlet
The air inlet of barretter connects, and the gas outlet of described outlet barretter is connected with room to be dried；
Described mixing chamber is connected by the air outlet of described through hole with described cooling wind inlet pipe, described cooling wind inlet pipe
Air inlet be connected with to wind apparatus.
Further, the inside of described body of heater arranges at least one pigeon-holed wall, the height of described pigeon-holed wall less than or etc.
Internal diameter in described body of heater.
Further, described mixing chamber includes antipriming pipe；
The air inlet of described antipriming pipe is connected with the air outlet of described body of heater, the gas outlet of described antipriming pipe and described outlet
Barretter connects.
Alternatively, described antipriming pipe includes two circular cone structures that size is identical, and the bottom surface of two frustums of a cone is the most right
Connecting, the diameter of the bottom surface of the described frustum of a cone is more than the diameter of the upper bottom surface of the described frustum of a cone.
Above-mentioned mixing chamber also includes that gripper shoe, described gripper shoe are used for supporting described antipriming pipe.
Said burner includes the first air inlet, the second air inlet and the 3rd air inlet；
The diameter of described first air inlet is less than the diameter of described second air inlet, and the diameter of described second air inlet is less than
The diameter of described 3rd air inlet；
Described first air inlet is used for inputting low calorie fuels, and described second air inlet is used for inputting exotic fuels, institute
State the 3rd air inlet for input air.
Further, the sidewall of described body of heater is provided with explosion-proof manhole, the sidewall of described cooling wind inlet pipe also sets
It is equipped with substitute air inlet.
Further, described flue gas air heating furnace also includes: exhaust stack；
Described exhaust stack connects with described outlet barretter.
Alternatively, described flue gas air heating furnace also includes: base of furnace body, is used for supporting described body of heater.
Alternatively, the sidewall of described body of heater is provided with the first temperature measuring equipment and pressure gauge, described air-out
The second temperature measuring equipment it is provided with at the gas outlet of barretter.
The flue gas air heating furnace that this utility model provides, by the gas outlet of burner is connected with the air inlet of body of heater, will
Lighter is arranged at the air inlet of described body of heater, for the mixed gas entering body of heater from burner being lighted, and by body of heater
Gas outlet be connected with the air inlet of mixing chamber, by the gas outlet of mixing chamber with outlet barretter air inlet is connected, will export
The gas outlet of barretter is connected with room to be dried, meanwhile, arranges a through hole, mixing chamber is passed through through hole on the sidewall of mixing chamber
It is connected with the air outlet 52 of cooling wind inlet pipe, the air inlet of cooling wind inlet pipe is connected with to wind apparatus so that fill to wind
Putting by cooling wind inlet pipe is that the high-temperature flue gas in mixing chamber carries out the satisfied low-temperature flue gas required of cooling generation.The present embodiment
Flue gas air heating furnace, by high-temperature flue gas clean-burning in body of heater is transported in mixing chamber, and make cool down wind inlet pipe
Sending into cooling wind for mixing chamber continuously, the high-temperature flue gas in quickly cooling mixing chamber, then by cooled cigarette
Gas is transported to export in barretter, is lowered the temperature further so that enter the flue gas of room to be dried in outlet barretter
Temperature meets production needs.I.e. its simple in construction of the flue gas air heating furnace of the present embodiment, easily operated, and then greatly reduce low temperature
The production cost of flue gas.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model or technical scheme of the prior art, below will be to embodiment or existing
In technology description, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is this practicality
Some novel embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
The top view of the flue gas air heating furnace embodiment one that Fig. 1 provides for this utility model；
The front view of the flue gas air heating furnace embodiment one that Fig. 2 provides for this utility model；
The front view of the flue gas air heating furnace embodiment two that Fig. 3 provides for this utility model；
The front view of the flue gas air heating furnace embodiment three that Fig. 4 provides for this utility model；
Another front view of the flue gas air heating furnace embodiment three that Fig. 5 provides for this utility model；
The Local map of the flue gas air heating furnace embodiment three that Fig. 6 provides for this utility model；
The structural representation of the flue gas air heating furnace embodiment four that Fig. 7 provides for this utility model.
Reference:
10: burner；
11: the gas outlet of burner；
20: lighter；
30: body of heater；
31: the air inlet of body of heater；
32: the gas outlet of body of heater；
33: furnace chamber；
34: liner；
35: the sidewall of body of heater；
40: mixing chamber；
41: the air inlet of mixing chamber；
42: the gas outlet of mixing chamber；
43: a through hole is set on the sidewall of mixing chamber；
50: cooling wind inlet pipe；
51: the air inlet of cooling wind inlet pipe；
52: the air outlet of cooling wind inlet pipe；
53: the sidewall of cooling wind inlet pipe；
60: outlet barretter；
61: the air inlet of outlet barretter；
62: the gas outlet of outlet barretter；
70: base；
80: pigeon-holed wall；
90: antipriming pipe；
91: the air inlet of antipriming pipe；
92: the gas outlet of antipriming pipe；
93: the annular chamber between mixing chamber inwall and antipriming pipe outer wall；
94: frustum of a cone A and the bottom surface of frustum of a cone B；
95: the upper bottom surface of frustum of a cone A；
96: the upper bottom surface of frustum of a cone B；
110: gripper shoe；
111: one end of gripper shoe；
112: the other end of gripper shoe；
Fix floor at 120: the first；
121: the first one end fixing floor；
122: the first sides fixing floor；
Fix floor at 130: the second；
131: the second one end fixing floor；
132: the second sides fixing floor；
12: the first air inlets；
13: the second air inlets；
14: the three air inlets；
140: explosion-proof manhole；
150: substitute air inlet；
160: exhaust stack；
170: the first temperature measuring equipments.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, implement below in conjunction with this utility model
Accompanying drawing in example, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that described reality
Executing example is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, ability
The every other embodiment that territory those of ordinary skill is obtained under not making creative work premise, broadly falls into this practicality new
The scope of type protection.
The flue gas air heating furnace that this utility model provides goes for the large-scale low-temperature of various industry dries needs, this flue gas
Air stove can quickly produce Low Temperature Thermal flue gas, and its simple in construction is easy to operate, and then the production reducing low-temperature flue gas becomes
This.The technical scheme that this utility model provides aim to solve the problem that prior art cannot quickly, production the asking of low-temperature flue gas of low cost
Topic.
With specifically embodiment, the technical solution of the utility model is described in detail below.These are concrete below
Embodiment can be combined with each other, and repeats no more in certain embodiments for same or analogous concept or process.
The top view of the flue gas air heating furnace embodiment one that Fig. 1 provides for this utility model, Fig. 2 provides for this utility model
The front view of flue gas air heating furnace embodiment one, as depicted in figs. 1 and 2, the flue gas air heating furnace of the present embodiment includes: burner 10,
Lighter 20, body of heater 30, mixing chamber 40, cooling wind inlet pipe 50 and outlet barretter 60；Set on the sidewall of described mixing chamber 40
Put a through hole 43；The gas outlet 11 of described burner 10 is fixing with the air inlet 31 of described body of heater 30 to be connected, described lighter 20
It is arranged at the air inlet 31 of described body of heater 30, for will enter the mixed gas point of described body of heater 30 from described burner 10
Combustion；The gas outlet 32 of described body of heater 30 is connected with the air inlet 41 of described mixing chamber 40, the gas outlet of described mixing chamber 40 42 with
The air inlet 61 of described outlet barretter 60 connects, and the gas outlet 62 of described outlet barretter 60 (does not shows in figure with room to be dried
Go out) connect；Described mixing chamber 40 is connected by the air outlet 52 of described through hole 43 with described cooling wind inlet pipe 50, described cooling
The air inlet 51 of wind inlet pipe 50 is connected (not shown) with to wind apparatus.
Specifically, as depicted in figs. 1 and 2, the flue gas air heating furnace of the present embodiment includes burner 10, lighter 20, body of heater
30, mixing chamber 40, cooling wind inlet pipe 50 and outlet barretter 60.Wherein, the air inlet of burner 10 and existing splendid attire coal
The fuel-device of the fuel such as gas, natural gas and the air assembly of containing compressed air connect so that fuel and air are at burner
Forming mixed gas in 10, the gas outlet 11 of burner 10 is connected with the air inlet 31 of body of heater 30 so that mixed gas can be led to
Cross burner 10 to enter at the air inlet 31 of body of heater 30.A lighter 20 (example on sidewall at the air inlet 31 of body of heater 30
Such as igniter burner), the mixed gas entering into the air inlet 31 of body of heater 30 from burner 10 can be lighted by this lighter 20, makes
Obtaining this mixed gas to react generation high-temperature flue gas, the gas outlet 32 of body of heater 30 is connected with the air inlet 41 of mixing chamber 40, makes
The high-temperature flue gas obtained in body of heater 30 inner chamber can enter in mixing chamber 40.Meanwhile, the sidewall of mixing chamber 40 is arranged one to lead to
Hole 43, the air outlet 52 of cooling wind inlet pipe 50 is connected with mixing chamber 40 by this through hole 43, wherein cools down wind inlet pipe 50
Air inlet 51 is connected with to wind apparatus so that can be the high temperature cigarette in mixing chamber 40 by cooling wind inlet pipe 50 to wind apparatus
Gas air feed, and then reduce the temperature of high-temperature flue gas in mixing chamber 40.The gas outlet 42 of mixing chamber 40 is entered with outlet barretter 60
QI KOU 61 connects, and the gas outlet 62 of outlet barretter 60 is connected with room to be dried so that through the flue gas of cooling in mixing chamber 40
Enter in outlet barretter 60, in outlet barretter 60, continue cooling, so that from the gas outlet of outlet barretter 60
The temperature of the flue gas of 62 outputs meets production needs, and then the material to be dried (such as coal) realizing treating in drying chamber dries
Dry.
In actual production, first, by the air inlet of burner 10 and the fuel-device and the splendid attire air that contain fuel
Air assembly connects so that fuel and air form mixed gas in burner 10.Then, use lighter 20 to gaseous mixture
Body is lighted a fire so that mixed gas is burnt at the air inlet 41 of mixing chamber 40 and produced flue gas, and the mixed gas of this burning enters into
In the inner chamber of the body of heater 30 that space is bigger, it is fully burned in the inner chamber of body of heater 30, produces substantial amounts of high-temperature flue gas.Immediately
, the substantial amounts of high-temperature flue gas in the inner chamber of body of heater 30 passes through gas outlet 32 and the air inlet 41 of mixing chamber 40 of body of heater 30, enters
And in mixing chamber 40, the air outlet 52 of the cooling wind inlet pipe 50 now connected with mixing chamber 40 is continuously for mixing chamber
40 send into cooling wind so that the temperature of the high-temperature flue gas in mixing chamber 40 reduces.Then, by the high-temperature flue gas conveying through cooling
In outlet barretter 60, lowered the temperature further in outlet barretter 60 so that enter the temperature of the flue gas of room to be dried
Degree meets production needs.Wherein, the longest reduction to flue-gas temperature of length of outlet barretter 60 is the most effective, and therefore, outlet is steady
The length of flow tube 60 can be set according to actual needs, and the present embodiment is without limitation.
It should be noted that for the production security improving flue gas air heating furnace, then between each parts in the present embodiment
Connection all for being tightly connected, i.e. in normal production process, the flue gas in flue gas air heating furnace or the mixing of unburned burning-out
Gas will not be leaked in the air of surrounding, and then ensure that the safety in production of flue gas air heating furnace.
Alternatively, connection between gas outlet 11 and the air inlet 31 of body of heater 30 of burner 10 in the present embodiment, outlet
Connection between gas outlet 62 and the room to be dried of barretter 60, the air inlet 51 of cooling wind inlet pipe 50 and give between wind apparatus
Connection can be attached by flange, it is also possible to being attached according to other connected modes existing, the present embodiment is to this
Do not limit.
In the present embodiment, the shape of mixing chamber 40 can be tubing string shape, it is also possible to be the cube of hollow, alternatively,
Can also is that the stereochemical structure of other hollows, specifically, the shape of mixing chamber 40 is not limited by the present embodiment.
Alternatively, the flue gas air heating furnace of the present embodiment can by control to wind apparatus to air quantity and give air temperature,
Control to export the temperature of the flue gas of barretter 60 output, such as, when needing the temperature of flue gas of output higher, can control
The cooling wind less to wind apparatus discharge quantity of fan, temperature is higher gives cooling wind inlet pipe 50；Or, when the flue gas needing output
When temperature is relatively low, can control to wind apparatus discharge quantity of fan compared with cooling wind big, that temperature is relatively low to cooling wind inlet pipe 50.
Alternatively, as in figure 2 it is shown, the flue gas air heating furnace of the present embodiment also includes base 70, this base 70 is for supporting
State body of heater 30, it is ensured that the stable placement of flue gas air heating furnace.Alternatively, in order to improve the intensity of body of heater 30, the flue gas of the present embodiment
Air stove is also provided with liner 34 in the inner chamber of body of heater 30.
The flue gas air heating furnace that this utility model provides, by the gas outlet of burner is connected with the air inlet of body of heater, will
Lighter is arranged at the air inlet of described body of heater, for the mixed gas entering body of heater from burner being lighted, and by body of heater
Gas outlet be connected with the air inlet of mixing chamber, by the gas outlet of mixing chamber with outlet barretter air inlet is connected, will export
The gas outlet of barretter is connected with room to be dried, meanwhile, arranges a through hole, mixing chamber is passed through through hole on the sidewall of mixing chamber
It is connected with the air outlet 52 of cooling wind inlet pipe, the air inlet of cooling wind inlet pipe is connected with to wind apparatus so that fill to wind
Putting by cooling wind inlet pipe is that the high-temperature flue gas in mixing chamber carries out the satisfied low-temperature flue gas required of cooling generation.The present embodiment
Flue gas air heating furnace, by high-temperature flue gas clean-burning in body of heater is transported in mixing chamber, and make cool down wind inlet pipe
Sending into cooling wind for mixing chamber continuously, the high-temperature flue gas in quickly cooling mixing chamber, then by cooled cigarette
Gas is transported to export in barretter, is lowered the temperature further so that enter the flue gas of room to be dried in outlet barretter
Temperature meets production needs.I.e. its simple in construction of the flue gas air heating furnace of the present embodiment, easily operated, and then greatly reduce low temperature
The production cost of flue gas.
The front view of the flue gas air heating furnace embodiment two that Fig. 3 provides for this utility model, on the basis of above-described embodiment,
The effective temperature-reducing to flue gas is realized, as it is shown on figure 3, the flue gas air heating furnace of the present embodiment is at stove in order to reduce the speed of service of flue gas
The inside of body 30 arranges at least one pigeon-holed wall 80, and the height of this pigeon-holed wall 80 is less than or equal to the internal diameter of body of heater 30.
Specifically, as it is shown on figure 3, the present embodiment arranges at least one pigeon-holed wall 80, this pigeon-holed wall in the inside of body of heater 30
80 pairs of speeds of service from the flue gas that the air inlet 31 of body of heater 30 enters stop so that the flue gas hole by pigeon-holed wall 80
And the gap between pigeon-holed wall 80 and body of heater 30 inwall, and then reduce the speed of service of flue gas, the cigarette of homogenization flowing simultaneously
Gas so that the speed of service entering the flue gas in mixing chamber 40 relatively slowly and is full of whole mixing chamber 40, and then makes cooling
The cooling wind of wind inlet pipe 50 output can carry out uniform decrease in temperature effectively to the flue gas in mixing chamber 40, thus avoid due to
The problem generation that the speed of service of flue gas is too fast and cannot lower the temperature flue gas in time.As it is shown on figure 3, the porous of the present embodiment
The height of wall 80 can be less than or equal to the cavity heights (i.e. the internal diameter of body of heater 30) of body of heater 30, simultaneously in order to realize flue gas
Effective stop, then the height of pigeon-holed wall 80 should be not less than the height of body of heater 30 air inlet.
Alternatively, the pigeon-holed wall 80 of the present embodiment can be formed by porous refractory brick masonry, it is also possible to is by other
The pigeon-holed wall 80 that builds up of refractory material, the process of specifically building of pigeon-holed wall 80 is not limited by the present embodiment, as long as can be real
Now flue gas is stopped and uniform flue gas.
Alternatively, the quantity of the pigeon-holed wall 80 arranged in the inside of body of heater 30 can be set according to actual needs, its
The quantity of middle pigeon-holed wall 80 is the most to be slowed down the flue gas speed of service and the most effective to flue gas.
The flue gas air heating furnace that this utility model provides, by arranging at least one pigeon-holed wall in the inside of body of heater, this porous
The speed of service of the wall flue gas to entering from the air inlet of body of heater stops so that flue gas passes through hole and the porous of pigeon-holed wall
Gap between wall and inboard wall of furnace body, and then reduce the speed of service of flue gas, it is simultaneously achieved uniform flue gas so that enter
The speed of service of the flue gas in mixing chamber relatively slowly and is full of whole mixing chamber, and then makes to cool down the output of wind inlet pipe
Cooling wind can carry out uniform decrease in temperature effectively to the flue gas in mixing chamber, thus avoids owing to the speed of service of flue gas is the fastest
And the problem cannot lowered the temperature flue gas in time produces.
The front view of the flue gas air heating furnace embodiment three that Fig. 4 provides for this utility model, on the basis of above-described embodiment,
In order to realize the uniform decrease in temperature to flue gas further, as shown in Figure 4, the mixing chamber 40 of the flue gas air heating furnace of the present embodiment includes one
Individual antipriming pipe 90, the air inlet 91 of this antipriming pipe 90 is connected with the gas outlet 32 of body of heater 30, the gas outlet of this antipriming pipe 90 92 with
Outlet barretter 60 connects.
Specifically, as shown in Figure 4, an antipriming pipe 90, the air inlet of this antipriming pipe 90 are set in the inside of mixing chamber 40
91 are connected with the gas outlet 32 of body of heater 30 so that the flue gas in body of heater 30 can enter in antipriming pipe 90.Simultaneously as these are many
Multiple hole it is provided with so that the cooling wind blowing to this antipriming pipe 90 enters into antipriming pipe by each hole on the outer wall of hole pipe 90
In the inner chamber of 90 so that cooling wind is that the flue gas in antipriming pipe 90 inner chamber is lowered the temperature.It follows that the porous in the present embodiment
Pipe 90 can disperse to cool down wind, and then increases cooling wind and the contact area of flue gas in antipriming pipe 90, it is achieved that to flue gas
Quickly, uniform decrease in temperature, thus improve the production efficiency of flue gas air heating furnace.The gas outlet 92 of the antipriming pipe 90 of the present embodiment with go out
The air inlet 61 of mouthful barretter 60 connects so that the flue gas in antipriming pipe 90 can so that in outlet barretter 60, and going out
Again lowering the temperature in mouth barretter 60 and be input to afterwards in room to be dried, the material to be dried treated in drying chamber carries out low temperature
Flue gas drying processes.
Alternatively, in order to improve further quick, the effect of uniform decrease in temperature of flue gas in mixing chamber 40, the present embodiment is also
The central axis that antipriming pipe 90 can be provided around mixing chamber 40 rotates, so improve flue gas in antipriming pipe 90 with
The contact area of cooling wind, improves the cooling effect quick, uniform to flue gas further, thus improves the one-tenth of flue gas air heating furnace
Produce efficiency.Wherein, it can be existing that antipriming pipe 90 is provided around the method that the central axis of mixing chamber 40 rotates
The method that arbitrarily can realize, the present embodiment is without limitation.
Alternatively, when the diameter of the gas outlet 92 that the diameter of the gas outlet 42 of mixing chamber 40 is more than antipriming pipe 90, in order to
The flue gas in the annular chamber 93 between mixing chamber 40 inwall and antipriming pipe 90 outer wall is made to enter in outlet barretter 60 smoothly, then
The air inlet 61 of the gas outlet 42 of mixing chamber 40 with outlet barretter 60 can be connected by the present embodiment, the gas outlet of antipriming pipe 90
92 are not connected to the air inlet 61 exporting barretter 60, the annular chamber 93 between such mixing chamber 40 inwall and antipriming pipe 90 outer wall
In flue gas can to enter into outlet by the gap between the gas outlet 92 of antipriming pipe 90 and the gas outlet 42 of mixing chamber 40 steady
In flow tube 60.
Alternatively, as shown in Figure 4, the diameter of the air inlet 41 of mixing chamber 40 it is less than due to the diameter of outlet barretter 60,
Be connected with the convenient of the air inlet 61 of outlet barretter 60 to realize the gas outlet 42 of mixing chamber 40, then the present embodiment will mixing
Room 40 is arranged to cylinder near one end of the air inlet 41 of mixing chamber 40, by mixing chamber 40 near the gas outlet 42 of mixing chamber 40
One end be arranged to circular cone shape, wherein the diameter of the bigger diameter end of the frustum of a cone and the diameter of cylinder are identical, the miner diameter end of the frustum of a cone
The diameter of (i.e. the gas outlet 42 of mixing chamber 40) is identical with the diameter of the air inlet 61 of outlet barretter 60.
Further, another front view of the flue gas air heating furnace embodiment three that Fig. 5 provides for this utility model, Fig. 6 is this
The Local map of flue gas air heating furnace embodiment three that utility model provides, in order to improve further to flue gas quick, uniformly cool down
Effect, as shown in Figure 5 and Figure 6, the antipriming pipe 90 of the present embodiment can include two circular cone structures that size is identical, two circles
The bottom surface of frustum is just to connection, and wherein the diameter of the bottom surface of the frustum of a cone is more than the diameter of the upper bottom surface of the frustum of a cone.
Specifically, as shown in Figure 5 and Figure 6, antipriming pipe 90 is made up of frustum of a cone A and frustum of a cone B, wherein frustum of a cone A and circle
The shape of frustum B is identical, and the diameter of the bottom surface 94 of frustum of a cone A and frustum of a cone B is more than frustum of a cone A and the upper bottom surface of frustum of a cone B
96 diameters.By the bottom surface 94 of frustum of a cone A and frustum of a cone B just to connection, form antipriming pipe 90 small in ends broad in the middle, then will circle
The upper bottom surface 95 (i.e. the air inlet 91 of antipriming pipe 90) of frustum A is connected with the gas outlet 32 of body of heater 30 so that the cigarette in body of heater 30
Gas enters in antipriming pipe 90.Wherein, as shown in Figure 5 and Figure 6, the antipriming pipe 90 of the present embodiment bottom surface docking place with
The air outlet 52 of cooling wind inlet pipe 50 is the most right, so can preferably by from the cooling cooling wind that blows out of wind inlet pipe 50 to
The two ends of antipriming pipe 90, and then increase the contact area of flue gas in cooling wind and antipriming pipe 90, that improves flue gas is quick, equal
Even cooling effect, thus improve the production efficiency of flue gas air heating furnace.
Further, with continued reference to Fig. 5 and Fig. 6, in order to improve the stability of antipriming pipe 90, it is ensured that antipriming pipe 90 normal
Work, is originally implemented in mixing chamber 40 arranging gripper shoe 110, and this gripper shoe 110 is used for supporting above-mentioned antipriming pipe 90.
Specifically, as shown in Figure 5 and Figure 6, gripper shoe 110 is vertically arranged, one end 111 of gripper shoe 110 and mixing chamber
The inwall of 40 is fixing to be connected, and wherein gripper shoe 110 can be by one end 111 of gripper shoe 110 with fixing connection of mixing chamber 40
It is welded on the inwall of mixing chamber 40, it is also possible to be by removablies such as bolts, one end 111 of gripper shoe 110 to be fixed on
On the inwall of mixing chamber 40, the fixing connected mode of gripper shoe 110 with mixing chamber 40 inwall is not limited by the present embodiment.Connect
, the other end 112 of gripper shoe 110 is connected with the outer wall of antipriming pipe 90 so that this gripper shoe 110 realizes antipriming pipe 90
Support, prevent from fixing insecure due to antipriming pipe 90 aborning and coming into question.Specifically, as shown in Figure 5 and Figure 6, wherein
The other end 112 of gripper shoe 110 is connected with frustum of a cone A and frustum of a cone B joint, and this gripper shoe 110 can be effectively improved porous
The intensity of pipe 90, and then improve the job stability of antipriming pipe 90.
Alternatively, when antipriming pipe 90 is fixedly installed relative to mixing chamber 40, then the other end 112 of gripper shoe 110 is with many
The connection of hole pipe 90 can be the non-removable fixing connections such as welding, it is also possible to is that bolt connection etc. removably connects, also may be used
Being the other end 112 of gripper shoe 110 to be arranged to antipriming pipe 90 by the suitable circle of the convex shape of the outer wall at support
Arc groove so that the outer wall of antipriming pipe 90 can be placed in this circular groove, it is achieved the support to antipriming pipe 90.
Alternatively, as shown in Figure 5 and Figure 6, the present embodiment also uses first to fix floor 120 and antipriming pipe 90 is fixed on stove
At the gas outlet 32 of body 30, and then the fixing of gas outlet 32 of the air inlet 91 and body of heater 30 realizing antipriming pipe 90 is connected.Specifically
Ground, as shown in Figure 5 and Figure 6, first one end 121 fixing floor 120 is fixed on the outer wall at the gas outlet 32 of body of heater 30, the
One side 122 fixing floor 120 is fixed on the sidewall of antipriming pipe 90, and then achieves air inlet 91 and the stove of antipriming pipe 90
The fixing connection of the gas outlet 32 of body 30.Wherein, first fix the quantity of floor 120 and be distributed and can have according to practical situation
Body sets.
Alternatively, as shown in Figure 5 and Figure 6, the present embodiment also uses second to fix floor 130 and mixing chamber 40 is fixed on stove
At the gas outlet 32 of body 30, and then the fixing of gas outlet 32 of the air inlet 41 and body of heater 30 realizing mixing chamber 40 is connected.Specifically
Ground, as shown in Figure 5 and Figure 6, second one end 131 fixing floor 130 is fixed on the outer wall at the gas outlet 32 of body of heater 30, the
Two sides 132 fixing floor 130 are fixed on the sidewall of mixing chamber 40, and wherein, second fixes the quantity of floor 130 and divide
Cloth specifically can set according to practical situation.
The flue gas air heating furnace that this utility model provides, increases cooling wind and flue gas by arranging antipriming pipe in mixing chamber
Contact area, and then realize to flue gas quick, uniformly cool down.Further, antipriming pipe is arranged to by two by the present embodiment
The bottom surface of the frustum of a cone that individual size is identical just to the structure being formed by connecting, and make two frustums of a cone bottom surface junction just
Air outlet to cooling wind blast pipe so that cooling wind can blow to the both sides of two frustums of a cone, and then increases cooling wind with many
The contact area of hole inner tube smoke, further increases the cooling effect quick, uniform to flue gas, further increases flue gas heat
The production efficiency of wind furnace.
The structural representation of the flue gas air heating furnace embodiment four that Fig. 7 provides for this utility model, at the base of above-described embodiment
On plinth, as it is shown in fig. 7, the burner 10 of the flue gas air heating furnace of the present embodiment includes first air inlet the 12, second air inlet 13 and
3rd air inlet 14；Wherein the diameter of the first air inlet 12 is less than the diameter of the second air inlet 13, the diameter of the second air inlet 13
Diameter less than the 3rd air inlet 14；And the first air inlet 12 is used for inputting low calorie fuels, the second air inlet 13 is for defeated
Entering exotic fuels, the 3rd air inlet 14 is for input air.
It should be noted that fuel value i.e. heat output of fuel, refer to unit mass (referring to solid or liquid) or unit bodies
The fuel of long-pending (referring to gas) burns completely, and combustion product is cooled to the heat discharged during room temperature.It follows that it is different
The calorific value of the fuel corresponding to fuel is the most different, in order to make flue gas air heating furnace of the present utility model go for different calorific value
Fuel, then the present embodiment uses the burner 10 with three air inlets.
Specifically, as it is shown in fig. 7, the present embodiment use three mouthfuls of burners 10, this burner 10 include the first air inlet 12,
Second air inlet 13 and the 3rd air inlet 14.When forming mixed gas due to low calorie fuels with air stoichiometry, the air of needs
Ratio be far longer than the ratio of low calorie fuels, and when exotic fuels form mixed gas with air stoichiometry, the sky of needs
The ratio of gas is slightly larger than the ratio of exotic fuels, therefore, carries out mixing match to realize the convenient fuel to different calorific values,
Then in the present embodiment, the diameter of the first air inlet 12 of burner 10 is less than the diameter of the second air inlet 13, the second air inlet 13
Diameter is less than the diameter of the 3rd air inlet 14.Wherein, the first air inlet 12 that in burner 10, diameter is minimum is used for inputting low grade fever
The fuel (such as coal gas) of value, the second air inlet 13 is for inputting fuel (the such as liquefied petroleum gas or liquefaction sky of high heating value
So gas etc.), the 3rd air inlet 14 is for input air.When actually used, when needs use low-calorie fuel to produce flue gas
Time, the first air inlet 12 and the 3rd air inlet 14 to be opened, the second air inlet 13 is closed so that low calorie fuels and air enter
In burner 10, and it is mixed to form mixed gas in burner 10.Or, produce cigarette when needing the fuel using high heating value
During gas, the second air inlet 13 and the 3rd air inlet 14 being opened, the first air inlet 12 is closed so that exotic fuels and air enter
Enter in burner 10, and be mixed to form mixed gas in burner 10.Alternatively, the present embodiment can also open simultaneously
One air inlet the 12, second air inlet 13 and the 3rd air inlet 14 so that low-calorie fuel, the fuel of high heating value and air are in combustion
Forming mixed gas in burner 10, the mixed gas that wherein this low calorie fuels and exotic fuels and air are formed is after firing
It is safe.
With continued reference to the flue gas air heating furnace shown in Fig. 7, in order to improve flue gas air heating furnace safety aborning, this enforcement
The flue gas air heating furnace of example is provided with explosion-proof manhole 140 on the sidewall 35 of body of heater 30, and at the sidewall 53 of cooling wind inlet pipe 50
On be additionally provided with substitute air inlet 150.
Specifically, the present embodiment can arrange an explosion-proof manhole 140 on the sidewall 35 of body of heater 30, this explosion-proof manhole 140
Normally working at flue gas air heating furnace, when the pressure in body of heater 30 is in normal value, explosion-proof manhole 140 is in sealing state, works as cigarette
The work of gas and hot air stove occurs abnormal, and when causing the drastically superpressure of the pressure in body of heater 30, the decompression cover of explosion-proof manhole 140 pushes up automatically
Open, carry out emergency decompression, make the pressure in body of heater 30 keep normal.When the pressure in body of heater 30 strongly reduces or is in ultravacuum
Time, the inlet valve of explosion-proof manhole 140 automatically turns on, and is used for sucking surrounding air, safeguards that the pressure of furnace chamber 33 is in normal value.
It addition, the present embodiment is also provided with substitute air inlet 150 on the sidewall 53 of cooling wind inlet pipe 50, tool
Body ground, when the reaction in body of heater 30 do not meet need time, or when needs blowing out, can be defeated by substitute air inlet 150
Enter safe gas (such as nitrogen etc.), react further for the mixed gas blocked in body of heater 30, thus protect cigarette
Gas and hot air stove properly functioning.
Further, as it is shown in fig. 7, the flue gas air heating furnace of the present embodiment can also include exhaust stack 160, this exhaust stack
160 connect with outlet barretter 60, for discharging the unburned mixed gas burnouted, and this unburned mixed gas burnouted are collected
In specific device, prevent the unburned mixed gas burnouted from entering into and surrounding air causes potential safety hazard.
Further, as it is shown in fig. 7, the flue gas air heating furnace of the present embodiment, it is also possible to arrange on the sidewall 35 of body of heater 30
There are the first temperature measuring equipment 170 and pressure gauge (not shown), are provided with at the gas outlet of air-out barretter
Second temperature measuring equipment (not shown).Wherein this first temperature measuring equipment 170 and pressure gauge are in real time
Monitoring temperature and pressure within body of heater 30, when detecting that the first temperature measuring equipment 170 and pressure gauge exceed default
During value, explosion-proof manhole 140 works immediately, and reports to the police immediately, reminds staff to process the most accordingly, Jin Erbao
Demonstrate,prove the properly functioning of flue gas air heating furnace.Meanwhile, the low-temperature flue gas exported to monitor the gas outlet of air-out barretter in real time is
No satisfied production needs, then be provided with the second temperature measuring equipment so that can to wind apparatus at the gas outlet of air-out barretter
Size and the temperature of wind of the wind-force of output is adjusted with the temperature value detected according to this second temperature measuring equipment, and then
Ensure that the low-temperature flue gas of the gas outlet output of air-out barretter meets needs of production.
The flue gas air heating furnace that this utility model provides, by using three mouthfuls of burners, it is achieved that conveniently to different calorific values
Fuel carries out mixing match.Meanwhile, in order to ensure job security and the service life of flue gas air heating furnace, on the sidewall of body of heater
It is provided with explosion-proof manhole, the sidewall of cooling wind inlet pipe is additionally provided with substitute air inlet, and connects on outlet barretter
Lead to and be provided with exhaust stack.Further, in order to realize the real-time monitored to flue gas air heating furnace, the sidewall of body of heater is provided with
One temperature measuring equipment and pressure gauge, for the ruuning situation of monitoring furnace interior in real time, and at air-out barretter
The second temperature measuring equipment it is provided with, for detecting the temperature of the flue gas of the gas outlet of air-out barretter so that give at gas outlet
Wind apparatus adjusts air quantity and the temperature of cooling wind according to the temperature value that this second temperature measuring equipment detects, and then ensure that
The temperature of the flue gas of air-out barretter output meets production needs, and then improves the work efficiency of flue gas air heating furnace.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should
Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of
Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of type each embodiment technical scheme.
Claims (10)
1. a flue gas air heating furnace, it is characterised in that including: burner, lighter, body of heater, mixing chamber, cooling wind inlet pipe and
Outlet barretter；One through hole is set on the sidewall of described mixing chamber；
The gas outlet of described burner is fixing with the air inlet of described body of heater to be connected, and described lighter is arranged on entering of described body of heater
At QI KOU, for the mixed gas entering described body of heater from described burner is lighted；
The gas outlet of described body of heater is connected with the air inlet of described mixing chamber, the gas outlet of described mixing chamber and described outlet current stabilization
The air inlet of pipe connects, and the gas outlet of described outlet barretter is connected with room to be dried；
Described mixing chamber is connected by the air outlet of described through hole with described cooling wind inlet pipe, entering of described cooling wind inlet pipe
Air port is connected with to wind apparatus.
Flue gas air heating furnace the most according to claim 1, it is characterised in that the inside of described body of heater arranges at least one porous
Wall, the height of described pigeon-holed wall is less than or equal to the internal diameter of described body of heater.
Flue gas air heating furnace the most according to claim 2, it is characterised in that described mixing chamber includes antipriming pipe；
The air inlet of described antipriming pipe is connected with the air outlet of described body of heater, the gas outlet of described antipriming pipe and described outlet current stabilization
Pipe connects.
Flue gas air heating furnace the most according to claim 3, it is characterised in that described antipriming pipe includes two circles that size is identical
Frustum structure, the bottom surface of two frustums of a cone is just to connection, and the diameter of the bottom surface of the described frustum of a cone is more than the described frustum of a cone
The diameter of upper bottom surface.
Flue gas air heating furnace the most according to claim 4, it is characterised in that described mixing chamber also includes gripper shoe, described
Fagging is used for supporting described antipriming pipe.
Flue gas air heating furnace the most according to claim 5, it is characterised in that described burner include the first air inlet, second
Air inlet and the 3rd air inlet；
The diameter of described first air inlet is less than the diameter of described second air inlet, and the diameter of described second air inlet is less than described
The diameter of the 3rd air inlet；
Described first air inlet is used for inputting low calorie fuels, and described second air inlet is used for inputting exotic fuels, and described
Three air inlets are used for input air.
7. according to the flue gas air heating furnace described in any one of claim 1-6, it is characterised in that be provided with on the sidewall of described body of heater
Explosion-proof manhole, the sidewall of described cooling wind inlet pipe is additionally provided with substitute air inlet.
Flue gas air heating furnace the most according to claim 7, it is characterised in that described flue gas air heating furnace also includes: exhaust stack；
Described exhaust stack connects with described outlet barretter.
Flue gas air heating furnace the most according to claim 8, it is characterised in that described flue gas air heating furnace also includes: base of furnace body,
For supporting described body of heater.
Flue gas air heating furnace the most according to claim 9, it is characterised in that be provided with the first temperature on the sidewall of described body of heater
Degree measurement apparatus and pressure gauge, be provided with the second temperature measuring equipment at the gas outlet of described air-out barretter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620626390.8U CN205843037U (en) | 2016-06-21 | 2016-06-21 | Flue gas air heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620626390.8U CN205843037U (en) | 2016-06-21 | 2016-06-21 | Flue gas air heating furnace |
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| Publication Number | Publication Date |
|---|---|
| CN205843037U true CN205843037U (en) | 2016-12-28 |
Family
ID=58152583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620626390.8U Active CN205843037U (en) | 2016-06-21 | 2016-06-21 | Flue gas air heating furnace |
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| CN (1) | CN205843037U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014071A (en) * | 2017-05-17 | 2017-08-04 | 闫明宇 | Suction type fully automatic high-speed isothermal heat blower |
| CN111649344A (en) * | 2019-11-25 | 2020-09-11 | 松山湖材料实验室 | Low calorific value gas combustion system and control method |
| CN113048730A (en) * | 2021-03-12 | 2021-06-29 | 中国中轻国际工程有限公司 | Air door combination system of malt drying furnace and drying process thereof |
-
2016
- 2016-06-21 CN CN201620626390.8U patent/CN205843037U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014071A (en) * | 2017-05-17 | 2017-08-04 | 闫明宇 | Suction type fully automatic high-speed isothermal heat blower |
| CN107014071B (en) * | 2017-05-17 | 2022-06-03 | 闫明宇 | Negative pressure type full-automatic high-speed isothermal hot air generator |
| CN111649344A (en) * | 2019-11-25 | 2020-09-11 | 松山湖材料实验室 | Low calorific value gas combustion system and control method |
| CN113048730A (en) * | 2021-03-12 | 2021-06-29 | 中国中轻国际工程有限公司 | Air door combination system of malt drying furnace and drying process thereof |
| CN113048730B (en) * | 2021-03-12 | 2024-05-28 | 中国中轻国际工程有限公司 | Air door combination system of malt drying furnace and drying process thereof |
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