CN105972820A - Six-side-heat-exchanging hot air furnace provided with top ash removing cover plate - Google Patents
Six-side-heat-exchanging hot air furnace provided with top ash removing cover plate Download PDFInfo
- Publication number
- CN105972820A CN105972820A CN201610584606.3A CN201610584606A CN105972820A CN 105972820 A CN105972820 A CN 105972820A CN 201610584606 A CN201610584606 A CN 201610584606A CN 105972820 A CN105972820 A CN 105972820A
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- CN
- China
- Prior art keywords
- heat exchange
- cover plate
- cigarette groove
- burner hearth
- hexahedro
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
- F24H3/067—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators using solid fuel
Abstract
The invention discloses a six-side-heat-exchange hot air furnace provided with a top ash removing cover plate. The six-side-heat-exchange hot air furnace comprises a furnace hearth and an air duct shell, and the air duct shell wraps the furnace hearth so that a cavity is formed between the furnace hearth and the air duct shell; the cavity is internally provided with a flue so as to be communicated with the furnace hearth, the flue comprises a lower smoke passing groove, smoke discharging pipes and an upper smoke passing groove, the lower smoke passing groove is formed in the bottom of the cavity, the upper smoke passing groove is formed in the middle of the cavity and formed in the top of the furnace hearth, and the lower smoke passing groove is communicated with the upper smoke passing groove through the smoke discharging pipes; the side wall of the air duct shell is provided with a plurality of air-in meshes; the top of the upper smoke passing groove is provided with the detachable top ash removing cover plate. The six-side-heat-exchange hot air furnace provided with the top ash removing cover plate has the advantages of being high in heat exchange efficiency, high in heat exchange temperature and small in size.
Description
Technical field
The present invention relates to air stove, in particular it relates to a kind of hexahedro heat exchange heat being provided with top deashing cover plate
Wind furnace.
Background technology
Air stove starts extensively should in China in late 1970s as the air stove of thermal power machinery
With, become electric heat source and the regeneration product of conventional vapor power heat source in many industries.Air stove base
This operation principle is to be passed through cold wind in the interlayer of stove to take out of to form hot blast by the heat of interlayer, then
By hot blast, object is heated.
At present, air stove can be divided into heat accumulating type and heat exchange type two kinds according to making principle.The advantage of heat accumulating type is:
Heat-exchange temperature is high, and heat utilization efficiency is high；Shortcoming is: volume is big, and floor space is big, and hot blast temperature is unstable,
Switching mechanism is many, easily goes wrong, and the heat storage life-span is short, and maintenance cost is high, and acquisition cost is high.
Heat exchange type, master is that use uses high temperature resistant heat exchanger to be core component, and these parts can not use metal
Material heat exchanger, can only use refractory ceramics heat exchanger, combustion gas gas fully to burn in combustor, combustion
Hot-air after burning, through heat exchanger, gives fresh cold air heat.Its advantage is: heat exchange temperature
Degree height, heat utilization efficiency is high, and volume is little, and hot blast temperature is stable, many without switching mechanism, and the life-span is long, maintenance
Cost is high, and acquisition cost is low；Shortcoming is that heat-exchange temperature is high less than heat accumulating type, occurs later, not by generally
Use.
Summary of the invention
It is an object of the invention to provide a kind of hexahedro heat exchange air stove being provided with top deashing cover plate, this is provided with
The hexahedro heat exchange air stove of top deashing cover plate has the spy that heat exchange efficiency is high, heat-exchange temperature is high and volume is little
Point.
To achieve these goals, the invention provides a kind of hexahedro heat exchange heat being provided with top deashing cover plate
Wind furnace, including burner hearth and air channel shell, air channel shell is wrapped in the outside of burner hearth so that burner hearth and air channel
Cavity it is formed with between shell；Being provided with flue in cavity to be connected with burner hearth, flue walks cigarette under including
Groove, smoke exhaust pipe and on walk cigarette groove, under walk cigarette groove and be arranged at the bottom of cavity, above walk cigarette groove and be arranged at cavity
Middle part and be positioned at the top of burner hearth, under walk cigarette groove with on walk and be connected by smoke exhaust pipe between cigarette groove；Wind
Multiple Inlet Network it is provided with on the sidewall of road shell；On walk the top of cigarette groove to be provided with dismountable top clear
Ash cover plate.
Preferably, the top at the top walking cigarette groove on described is provided with deashing notch, described top deashing lid
One end of plate is articulated with an edge of described deashing notch, and the other end is arranged in described deashing groove by fastener
The other edge of mouth.
Preferably, one end that the connected entrance between cigarette groove and burner hearth is disposed in proximity to the fire door of burner hearth is walked under.
Preferably, Inlet Network at least includes consisting of part: lower Inlet Network, middle Inlet Network and upper air inlet
Net；Lower Inlet Network walks the lower section of cigarette groove, middle air intake under being arranged at the surrounding of the bottom of air channel shell and being positioned at
Net is arranged at the middle part of air channel shell and is surrounded on the surrounding of fire door, and upper air inlet net is positioned at the upper of air channel shell
The surrounding in portion and be positioned at the top of cigarette groove.
Preferably, the sidewall paneling of burner hearth is rough sheet material.
Preferably, the top board above walking cigarette groove is rough sheet material.
Preferably, being additionally provided with heat exchange fence in cavity, heat exchange fence is arranged at the bottom of burner hearth.
Preferably, the end walking cigarette groove under is additionally provided with cleaning door, after cleaning door is arranged at air channel shell
On sidewall.
Preferably, the rear of the sidewall on the left and right both sides of air channel shell is provided with air outlet.
Preferably, the top of air channel shell is provided with extractor fan, and extractor fan with on walk cigarette groove and be connected
Logical.
Preferably, being additionally provided with ash car in cavity, ash parking stall is in the lower section of heat exchange fence.
According to technique scheme, the hexahedro heat exchange hot blast being provided with top deashing cover plate that the present invention provides
Stove, first in burner hearth combust fuel；Then the hot-air in burner hearth will pass sequentially through down cigarette groove,
Smoke exhaust pipe (smoke exhaust pipe is mainly disposed on the left and right and rear these three direction of burner hearth) and on walk cigarette groove and
Extractor fan is taken away, and meanwhile, cold wind also can be from being evacuated in cavity from Inlet Network by extractor fan, so
Cold wind will with under walk cigarette groove, smoke exhaust pipe and on walk cigarette groove and carry out heat exchange (heat exchange can be at burner hearth
Antetheca, left side, right side, rear wall, top and bottom are carried out)；Finally, it is achieved the hot blast after heat exchange
It is passed through in heater through air channel shell and article to be heated are heated；It addition, top deashing cover plate
The flue dust also being able to be convenient to clean in flue is to improve the flow velocity of cigarette to accelerate heat exchange.It is clear that this is provided with top
The small volume of the hexahedro heat exchange air stove of ash cover plate, is provided with hexahedro the changing of top deashing cover plate at this simultaneously
In hot-blast stove, cold wind with under walk cigarette groove, smoke exhaust pipe and on to walk the heat exchange of cigarette groove the most sufficient, and then
This hexahedro heat exchange air stove being provided with top deashing cover plate is made to have the heat exchange efficiency height of excellence, heat exchange temperature
Spend high feature.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, with
Detailed description below is used for explaining the present invention together, but is not intended that limitation of the present invention.?
In accompanying drawing:
Fig. 1 is the side of being preferable to carry out of the hexahedro heat exchange air stove being provided with top deashing cover plate that the present invention provides
The structural representation of formula；
Fig. 2 is the sectional view of the left view of Fig. 1.
Description of reference numerals
1, burner hearth 2, air channel shell
3, cigarette groove 4, smoke exhaust pipe are walked under
5, cigarette groove 6, middle Inlet Network are walked on
7, upper air inlet net 8, air outlet
9, heat exchange fence 10, sidewall paneling
11, top board 12, ash car
13, fire door 14, lower Inlet Network
15, cleaning door 16, extractor fan
17, top deashing cover plate
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.It should be appreciated that
Detailed description of the invention described herein is merely to illustrate and explains the present invention, is not limited to this
Bright.
In the present invention, in the case of illustrating on the contrary, " upper and lower, forward and backward, top, the end "
Only represent this term orientation under normal service condition etc. the noun of locality being included in term, or be ability
What field technique personnel understood is commonly called as, and is not construed as the restriction to this term.
The invention provides a kind of hexahedro heat exchange air stove being provided with top deashing cover plate, such as Fig. 1 and Fig. 2
Shown in, including burner hearth 1 and air channel shell 2, air channel shell 2 is wrapped in the outside of burner hearth 1 so that stove
It is formed with cavity between thorax 1 and air channel shell 2；Flue it is provided with to be connected with burner hearth 1 in cavity,
Flue walk under including cigarette groove 3, smoke exhaust pipe 4 and on walk cigarette groove 5, under walk cigarette groove 3 and be arranged at the end of cavity
Portion, above walks cigarette groove 5 and is arranged at the middle part of cavity and is positioned at the top of burner hearth 1, under walk cigarette groove 3 with on walk
It is connected by smoke exhaust pipe 4 between cigarette groove 5；Multiple Inlet Network it is provided with on the sidewall of air channel shell 2；
On walk the top of cigarette groove 5 and be provided with dismountable top deashing cover plate 17.
The above-mentioned hexahedro heat exchange air stove being provided with top deashing cover plate, first in burner hearth 1 combust fuel；
Then the hot-air in burner hearth 1 will pass sequentially through down cigarette groove 3, smoke exhaust pipe 4 and on walk cigarette groove 5 and
Extractor fan is taken away, and meanwhile, cold wind also can be from being evacuated in cavity from Inlet Network by extractor fan, so
Cold wind will with under walk cigarette groove 3, smoke exhaust pipe 4 and on walk cigarette groove 5 and carry out heat exchange；Finally, it is achieved heat
Hot blast after exchange is passed through in heater through air channel shell 2 and heats article to be heated；It addition,
The flue dust that top deashing cover plate 17 also is able to be convenient to clean in flue is handed over to accelerate heat with the flow velocity improving cigarette
Change.This is provided with the small volume of hexahedro heat exchange air stove of top deashing cover plate, is provided with top at this simultaneously
In the hexahedro heat exchange air stove of deashing cover plate, cold wind with under walk cigarette groove 3, smoke exhaust pipe 4 and on walk cigarette groove 5
Heat exchange the most sufficient, and then make this hexahedro heat exchange air stove being provided with top deashing cover plate have excellent
The feature that different heat exchange efficiency is high, heat-exchange temperature is high.
In the present embodiment, the concrete mounting means of top deashing cover plate 17 can be in wide scope
Select, but be easy for opening and closing of top deashing cover plate 17, it is preferable that on described, walk cigarette groove 5
The top at top be provided with deashing notch, one end of described top deashing cover plate 17 be articulated with described clearly
One edge of ash notch, the other end is arranged in the other edge of described deashing notch by fastener.
In the present invention, usual extractor fan is arranged on the rear of air channel shell 2, so that burner hearth 1
Hot cigarette can evenly in each smoke exhaust pipe 4, thus realize cold wind can with smoke exhaust pipe 4 fully
Carry out heat exchange, it is preferable that under walk the connected entrance between cigarette groove 3 and burner hearth 1 and be disposed in proximity to burner hearth 1
One end of fire door 13.So, the hot-air in burner hearth 1 certainly will be to the smoke evacuation entering close fire door 13
In pipe 4, then enter back into other smoke exhaust pipes, so realize hot cigarette can be evenly into each smoke exhaust pipe 4
In.
In the present invention, particular location and the distribution of Inlet Network can select in wide scope, but
So that cold wind can enter the various piece in the hexahedro heat exchange air stove being provided with top deashing cover plate,
So that cold wind can be sufficiently carried out heat exchange with hot cigarette, it is preferable that Inlet Network at least includes
Consisting of part: lower Inlet Network 14, middle Inlet Network 6 and upper air inlet net 7；Lower Inlet Network 14 is arranged
Surrounding in the bottom of air channel shell 2 and walk the lower section of cigarette groove 3 under being positioned at, middle Inlet Network 6 is arranged at wind
The middle part of road shell 2 and be surrounded on the surrounding of fire door 13, upper air inlet net 7 is positioned at the upper of air channel shell 2
The surrounding in portion and be positioned at the top of cigarette groove 5.The setting of Inlet Network thus, it is ensured that cold wind from
Multiple directions enter in cavity, and then realize heat exchange, so that it can be heated fully.
Meanwhile, in the present invention, in order to ensure that the sidewall paneling of burner hearth 1 can be real with the cold air in cavity
Existing excellent heat exchange, it is preferable that the sidewall paneling 10 of burner hearth 1 is rough sheet material, such
Rough structure can increase the contact area of cold air and burner hearth 1, and then can improve cold air
The efficiency of heating surface.On the other hand, it also is able to carry for rough sheet material by the sidewall paneling 10 of burner hearth 1
The mechanical strength of blast furnace hearth 1, thus it is effectively prevented from the situation that burner hearth 1 deforms in high temperature environments
Generation.
In like manner, realize excellent heat exchange in order to improve flue with the cold air in cavity, can be by flue
Wallboard be set to rough sheet material, it is preferable that above walk the top board 11 of cigarette groove 5 for uneven
Sheet material.It addition, rough structure also is able to improve the mechanical strength of flue.
It addition, for the heat exchanger effectiveness improving burner hearth 1 and the cold air in cavity further, it is preferable that
Being additionally provided with heat exchange fence 9 in cavity, heat exchange fence 9 is arranged at the bottom of burner hearth 1.So, pass through
The cold air that the front of air channel shell 2 enters will pass through heat exchange fence 9, is achieved in by burner hearth 1
The heat of bottom and burner hearth 1 carry out heat exchange, and then improve heat exchanger effectiveness.
In the present invention, it is contemplated that cigarette groove 3 exists sedimentation and the accumulation of flue dust, for the ease of cleaning cigarette
Flue dust in groove, it is preferable that under walk the end of cigarette groove 3 and be additionally provided with cleaning door 15, cleaning door 15 sets
It is placed on the rear wall of air channel shell 2.So, there is the flue dust in cigarette groove 3 will pass through after settling
The flowing of cigarette accumulate step by step under walk in cigarette groove 3, so, the rear wall at air channel shell 2 is arranged clearly
Ash mouth 15 just can clear up flue dust the most quickly.
Additionally, heat exchange can be sufficiently carried out, preferably for the ease of cold air with flue and burner hearth 1
Ground, the rear of the sidewall on the left and right both sides of air channel shell 2 is provided with air outlet 8.So, cold wind
From forward one end air intake, and from a side air-out rearward, it is possible to improve cold wind and cigarette to the full extent
Road and the time of contact of burner hearth 1, thus improve heat exchanger effectiveness.
In like manner, in order to improve the length time of contact with raising cold wind with flue in the smoke evacuation path of flue,
Thus improve heat exchanger effectiveness, it is preferable that the top of air channel shell 2 is provided with extractor fan 16, and takes out
Wind apparatus 16 with on walk cigarette groove 5 and be connected.
Finally, it is contemplated that burner hearth 1 needs deashing, it is preferable that in cavity, be additionally provided with ash car 12, ash car
12 lower sections being positioned at heat exchange fence 9.
The invention provides the preparation method of a kind of high-temperature resistant coating for air stove, including:
1) river silt is placed in acid solution immersion, then crosses leaching filter cake with prepared modified river silt；
2) silica gel, sodium zirconate, rare earth oxide are scattered in organic with modified river silt under ultrasound condition
In solvent, then cross leaching filter cake to obtain activator；
3) by organosilicon, acrylonitrile-butadiene-styrene copolymer, maleic anhydride, organic solvent, carbon
Fiber, kieselguhr, cyclodextrin and activator high pressure, airtight under conditions of carry out haptoreaction to prepare
High-temperature resistant coating for air stove.
Step 1 in the present invention) in, the specification of the filter paper filtered can select in wide scope,
But in order to improve the high temperature resistant of prepared high-temperature resistant coating and decay resistance, it is preferable that in step 1)
In, filter the filter paper using aperture to be 30-50 μm and carry out.
Step 1 in the present invention) in, the consumption of each material can select in wide scope, but is
Improve the high temperature resistant and decay resistance of the high-temperature resistant coating prepared, it is preferable that in step 1) in,
Relative to the river silt of 100 weight portions, the consumption of acid solution is 300-500 weight portion, and the pH of acid solution is
3-5。
Step 1 in the present invention) in, the concrete kind of acid solution can select in wide scope, but
In order to improve the high temperature resistant of prepared high-temperature resistant coating and decay resistance, it is preferable that acid solution selects sulphuric acid
One or more in solution, salpeter solution and hydrochloric acid solution.
Step 2 in the present invention) in, the consumption of each material can select in wide scope, but is
Improve the high temperature resistant and decay resistance of the high-temperature resistant coating prepared, it is preferable that in step 2) in,
Relative to the silica gel of 100 weight portions, the consumption of sodium zirconate is 11-17 weight portion, the use of rare earth oxide
Amount is 21-28 weight portion, and the consumption of modified river silt is 40-62 weight portion, and the consumption of organic solvent is
400-600 weight portion.
Step 2 in the present invention) in, the concrete kind of rare earth oxide can select in wide scope,
But in order to improve the high temperature resistant of prepared high-temperature resistant coating and decay resistance, it is preferable that in step 2)
In, one or more in cerium oxide, praseodymium oxide, rubidium oxide and lanthana of rare earth oxide.
Step 2 in the present invention) in, dispersion condition can select in wide scope, but in order to carry
High temperature resistant and the decay resistance of the high high-temperature resistant coating prepared, it is preferable that in step 2) in, dispersion
At least meeting following condition: dispersion temperature is 75-90 DEG C, jitter time is 5-8h, and supersonic frequency is
40-60MHz。
Step 3 in the present invention) in, the consumption of each material can select in wide scope, but is
Improve the high temperature resistant and decay resistance of the high-temperature resistant coating prepared, it is preferable that in step 3) in,
In step 3) in, relative to the organosilicon of 100 weight portions, acrylonitrile-butadiene-styrene copolymer
Consumption be 35-44 weight portion, the consumption of maleic anhydride is 55-70 weight portion, the consumption of organic solvent
For 250-400 weight portion, the consumption of carbon fiber is 5-10 weight portion, and diatomaceous consumption is 23-35 weight
Amount part, the consumption of cyclodextrin is 7-12 weight portion, and the consumption of activator is 19-27 weight portion.
Step 3 in the present invention) in, the concrete kind of organosilicon can select in wide scope, but
It is to improve the high temperature resistant of prepared high-temperature resistant coating and decay resistance, it is preferable that in step 3)
In, organosilicon selected from MTES, dimethyldiethoxysilane, methyl trichlorosilane,
One or many in dimethyldichlorosilane, phenyltriethoxysilane and dimethoxydiphenylsilane
Kind.
Step 3 in the present invention) in, catalytic actual conditions can select in wide scope,
But in order to improve the high temperature resistant of prepared high-temperature resistant coating and decay resistance, it is preferable that in step 3)
In, haptoreaction at least meets following condition: reaction temperature is 75-85 DEG C, and pressure is 1.5-2MPa,
Response time is 6-10h.
Step 2 in the present invention) and 3) in, the concrete kind of organic solvent can be in wide scope
Select, but in order to improve the high temperature resistant of prepared high-temperature resistant coating and decay resistance, it is preferable that
Step 2) and 3) in, organic solvent is selected from 1-Phenylethanone., Ketohexamethylene, 1-Phenylethanone., dichloromethane, uncle
One or more in amylalcohol and Nitrobenzol.
Present invention also offers a kind of high-temperature resistant coating for air stove, this high-temperature resistant coating is by above-mentioned
Method be prepared.
Hereinafter will be described the present invention by embodiment.
Embodiment 1
1) river silt is placed in the acid solution (river silt is 100:400 with the weight ratio of acid solution) that pH is 4
Soaking, the filter paper then using aperture to be 40 μm carried out leaching filter cake with prepared modified river silt；
2) by silica gel, sodium zirconate, rare earth oxide (cerium oxide), modified river silt and organic solvent (benzene
Ethyl ketone) according to 100:15:25:47:550 weight ratio mix, and 80 DEG C, supersonic frequency be
Disperse 7h under conditions of 50MHz, then cross leaching filter cake to obtain activator；
3) by organosilicon (MTES), acrylonitrile-butadiene-styrene copolymer, horse
Come anhydride, organic solvent (Ketohexamethylene), carbon fiber, kieselguhr, cyclodextrin with activator according to 100:
The weight ratio mixing of 40:60:300:8:29:10:25, and at 80 DEG C, 1.8MPa and airtight
Under the conditions of carry out haptoreaction 8h to prepare the high-temperature resistant coating A1 for air stove.
Embodiment 2
1) river silt is placed in the acid solution (river silt is 100:300 with the weight ratio of acid solution) that pH is 3
Soaking, the filter paper then using aperture to be 30 μm carried out leaching filter cake with prepared modified river silt；
2) by silica gel, sodium zirconate, rare earth oxide (praseodymium oxide), modified river silt and organic solvent (benzene
Ethyl ketone) according to 100:11:21:40:400 weight ratio mix, and 75 DEG C, supersonic frequency be
Disperse 5h under conditions of 40MHz, then cross leaching filter cake to obtain activator；
3) by organosilicon (dimethyldiethoxysilane), acrylonitrile-butadiene-styrene copolymer,
Maleic anhydride, organic solvent (tert-pentyl alcohol), carbon fiber, kieselguhr, cyclodextrin and activator are according to 100:
The weight ratio mixing of 35:55:250:5:23:7:19, and at 75 DEG C, 1.5MPa and airtight
Under the conditions of carry out haptoreaction 6h to prepare the high-temperature resistant coating A2 for air stove.
Embodiment 3
1) river silt is placed in the acid solution (river silt is 100:500 with the weight ratio of acid solution) that pH is 5
Soaking, the filter paper then using aperture to be 50 μm carried out leaching filter cake with prepared modified river silt；
2) by silica gel, sodium zirconate, rare earth oxide (lanthana), modified river silt and organic solvent (nitre
Base benzene) according to 100:11-17:21-28:40-62:400-600 weight ratio mix, and 90 DEG C,
Supersonic frequency is dispersion 8h under conditions of 60MHz, then crosses leaching filter cake to obtain activator；
3) by organosilicon (dimethoxydiphenylsilane), acrylonitrile-butadiene-styrene copolymer,
Maleic anhydride, organic solvent (Nitrobenzol), carbon fiber, kieselguhr, cyclodextrin and activator are according to 100:
The weight ratio mixing of 35-44:55-70:250-400:5-10:23-35:7-12:19-27, and 85
DEG C, 2MPa and airtight under conditions of carry out haptoreaction 10h to prepare the high temperature resistant painting for air stove
Material A3.
Comparative example 1
Carry out preparing coating B1, except for the difference that, step 3 according to the method for embodiment 1) in do not use work
Compound.
Comparative example 2
Carry out preparing coating B2, except for the difference that, step 2 according to the method for embodiment 1) in do not use and change
Property river silt.
Comparative example 3
Carry out preparing coating B3, except for the difference that, step 2 according to the method for embodiment 1) in do not use dilute
Soil oxide.
Comparative example 4
Carry out preparing coating B4, except for the difference that, step 3 according to the method for embodiment 1) in do not use carbon
Fiber.
Comparative example 5
Carry out preparing coating B5, except for the difference that, step 3 according to the method for embodiment 1) in do not use silicon
Diatomaceous earth.
Comparative example 6
Carry out preparing coating B6, except for the difference that, step 3 according to the method for embodiment 1) in do not use ring
Dextrin.
Application examples 1
The steel plate being used for preparing air channel shell 2 is placed in acid solution and carries out soaking oil removing, rust cleaning, then will
The surfaces externally and internally of steel plate arranges priming paint, is then sprayed at above priming paint by above-mentioned coating, is finally placed in cool place
Environment in dry.
High temperature resistant detection: the above-mentioned steel plate being provided with dope layer is placed in the environment of 300 DEG C 7 days, so
Whether the dope layer of rear observation surface of steel plate has the phenomenon of cracking to produce, and statistical unit area internal fissure
Bar number (bar/dm2), concrete outcome is shown in Table 1.
Corrosion-resistant detection: the above-mentioned steel plate being provided with dope layer is placed in the strength sulfuric acid solution that pH is 2
10 days, whether the dope layer then observing surface of steel plate had the phenomenon come off to produce, and statistical unit area
Block number (block/the dm of internal fissure2), concrete outcome is shown in Table 1.
Table 1
| Crack density (bar/dm2) | The block density that comes off (block/dm2) | |
| A1 | 0 | 0 |
| A2 | 0 | 0 |
| A3 | 0 | 0 |
| B1 | 12 | 6 |
| B2 | 10 | 5 |
| B3 | 7 | 4 |
| B4 | 8 | 2 |
| B5 | 9 | 3 |
| B6 | 6 | 2 |
By above-described embodiment, comparative example and application examples, the coating that the present invention provides has excellence
High temperature resistant and decay resistance.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention does not limit
Detail in above-mentioned embodiment, in the technology concept of the present invention, can be to the present invention
Technical scheme carry out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technology described in above-mentioned detailed description of the invention is special
Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid need not
The repetition wanted, various possible compound modes are illustrated by the present invention the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as its
Without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. the hexahedro heat exchange air stove being provided with top deashing cover plate, it is characterised in that include burner hearth
(1) and air channel shell (2), described air channel shell (2) be wrapped in the outside of described burner hearth (1) with
Make to be formed with cavity between described burner hearth (1) and air channel shell (2)；It is provided with cigarette in described cavity
Road to be connected with described burner hearth (1), described flue walk under including cigarette groove (3), smoke exhaust pipe (4) and
On walk cigarette groove (5), described under walk cigarette groove (3) and be arranged at the bottom of described cavity, described on walk cigarette groove
(5) be arranged at the middle part of described cavity and be positioned at the top of described burner hearth (1), described under walk cigarette groove (3)
Walk on and be connected by smoke exhaust pipe (4) between cigarette groove (5)；The sidewall in described air channel shell (2)
On be provided with multiple Inlet Network；The top walking cigarette groove (5) on described is provided with dismountable top deashing
Cover plate (17).
The hexahedro heat exchange air stove being provided with top deashing cover plate the most according to claim 1, wherein,
The top at the top walking cigarette groove (5) on described is provided with deashing notch, described top deashing cover plate (17)
One end be articulated with an edge of described deashing notch, the other end is arranged in described deashing notch by fastener
Other edge.
The hexahedro heat exchange air stove being provided with top deashing cover plate the most according to claim 1, wherein,
Walk the connected entrance between cigarette groove (3) and described burner hearth (1) under described and be disposed in proximity to described burner hearth (1)
One end of fire door (13).
The hexahedro heat exchange air stove being provided with top deashing cover plate the most according to claim 1, wherein,
Described Inlet Network at least includes consisting of part: lower Inlet Network (14), middle Inlet Network (6) and enterprising
Wind net (7)；Described lower Inlet Network (14) be arranged at the bottom in described air channel shell (2) surrounding and
Be positioned at described under walk the lower section of cigarette groove (3), described middle Inlet Network (6) is arranged at described air channel shell (2)
Middle part and be surrounded on the surrounding of described fire door (13), described upper air inlet net (7) is positioned at air channel shell
(2) surrounding on top and be positioned at the top of cigarette groove (5).
5. according to the hexahedro heat exchange being provided with top deashing cover plate described in any one in claim 1-4
Air stove, wherein, the sidewall paneling (10) of described burner hearth (1) is rough sheet material；And/or
The top board (11) walking cigarette groove (5) on described in person is rough sheet material.
6. according to the hexahedro heat exchange being provided with top deashing cover plate described in any one in claim 1-4
Air stove, wherein, is additionally provided with heat exchange fence (9) in described cavity, described heat exchange fence (9) sets
It is placed in the bottom of described burner hearth (1).
The hexahedro heat exchange air stove being provided with top deashing cover plate the most according to claim 6, wherein,
The end walking cigarette groove (3) under described is additionally provided with cleaning door (15), and described cleaning door (15) is arranged at
On the rear wall in described air channel shell (2).
The hexahedro heat exchange air stove being provided with top deashing cover plate the most according to claim 6, wherein,
The rear of the sidewall on the left and right both sides in described air channel shell (2) is provided with air outlet (8).
9. according to the hexahedro heat exchange air stove being provided with top deashing cover plate described in claim 7 or 8,
Wherein, the top in described air channel shell (2) is provided with extractor fan (16), and described extractor fan (16)
Walk cigarette groove (5) and be connected on described.
10. according to the hexahedro heat exchange air stove being provided with top deashing cover plate described in claim 7 or 8,
Wherein, being additionally provided with ash car (12) in described cavity, described ash car (12) is positioned at described heat exchange fence
(9) lower section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610584606.3A CN105972820A (en) | 2016-07-23 | 2016-07-23 | Six-side-heat-exchanging hot air furnace provided with top ash removing cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610584606.3A CN105972820A (en) | 2016-07-23 | 2016-07-23 | Six-side-heat-exchanging hot air furnace provided with top ash removing cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105972820A true CN105972820A (en) | 2016-09-28 |
Family
ID=56953284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610584606.3A Withdrawn CN105972820A (en) | 2016-07-23 | 2016-07-23 | Six-side-heat-exchanging hot air furnace provided with top ash removing cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105972820A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642666A (en) * | 2016-12-30 | 2017-05-10 | 天津市亚控自动化仪表安装工程有限公司 | Efficient heating boiler |
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| GB993937A (en) * | 1964-02-26 | 1965-06-02 | Christian Ditlev Ammentorp | Improvements in or relating to air heaters |
| CN2373745Y (en) * | 1999-06-14 | 2000-04-12 | 陶建军 | Wortex heating furnace |
| CN2864531Y (en) * | 2005-12-29 | 2007-01-31 | 郑州黄河干燥节能设备有限公司 | Vertical air heater |
| CN102121752A (en) * | 2011-03-31 | 2011-07-13 | 卢洲德 | Three-return-stroke environment-friendly energy-saving hot blast heater |
| CN103836788A (en) * | 2014-02-27 | 2014-06-04 | 山西建工申华暖通设备有限公司 | Surrounding blowing-in integrated gas hot blast stove |
| CN206235014U (en) * | 2016-07-23 | 2017-06-09 | 芜湖长启炉业有限公司 | It is provided with the six faces heat exchange hot-blast stove of top deashing cover plate |
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2016
- 2016-07-23 CN CN201610584606.3A patent/CN105972820A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB993937A (en) * | 1964-02-26 | 1965-06-02 | Christian Ditlev Ammentorp | Improvements in or relating to air heaters |
| CN2373745Y (en) * | 1999-06-14 | 2000-04-12 | 陶建军 | Wortex heating furnace |
| CN2864531Y (en) * | 2005-12-29 | 2007-01-31 | 郑州黄河干燥节能设备有限公司 | Vertical air heater |
| CN102121752A (en) * | 2011-03-31 | 2011-07-13 | 卢洲德 | Three-return-stroke environment-friendly energy-saving hot blast heater |
| CN103836788A (en) * | 2014-02-27 | 2014-06-04 | 山西建工申华暖通设备有限公司 | Surrounding blowing-in integrated gas hot blast stove |
| CN206235014U (en) * | 2016-07-23 | 2017-06-09 | 芜湖长启炉业有限公司 | It is provided with the six faces heat exchange hot-blast stove of top deashing cover plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106642666A (en) * | 2016-12-30 | 2017-05-10 | 天津市亚控自动化仪表安装工程有限公司 | Efficient heating boiler |
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