CN203907998U - Cowper stove for drying equipment - Google Patents
Cowper stove for drying equipment Download PDFInfo
- Publication number
- CN203907998U CN203907998U CN201420186983.8U CN201420186983U CN203907998U CN 203907998 U CN203907998 U CN 203907998U CN 201420186983 U CN201420186983 U CN 201420186983U CN 203907998 U CN203907998 U CN 203907998U
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- CN
- China
- Prior art keywords
- cylindrical shell
- hot
- stove
- shaft
- drying
- 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.)
- Expired - Lifetime
Links
- 238000001035 drying Methods 0.000 title claims abstract description 58
- 238000002485 combustion reaction Methods 0.000 claims abstract description 73
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 230000008676 import Effects 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 210000001364 upper extremity Anatomy 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 61
- 239000000428 dust Substances 0.000 abstract description 15
- 239000000446 fuel Substances 0.000 abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 230000002950 deficient Effects 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 239000008187 granular material Substances 0.000 description 14
- 239000002737 fuel gas Substances 0.000 description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to a drying system, in particular to a cowper stove for drying equipment. The cowper stove comprises a stove body, wherein a stove core is arranged in the stove body and is provided with a burner head, the side wall of the burner head is provided with a plurality of first through holes, and the inner wall of the stove body is separated from the stove core. Fuels are placed in the stove core, air enters the inner part of the stove core from the lower end of the stove core, the fuels are subjected to oxygen-deficient combustion for the first time in the stove core and generate combustible gas, and the combustible gas upwards flows to the burner head; the stove core is separated from the stove body, the air enters a gap between the stove body and the stove core from the lower side of the stove body, and the burner head is provided with the first through holes, so that the air at the burner head and the combustible gas are mixed, secondary combustion is formed at the burner head, and baking-hot gas is formed during the secondary combustion; by the combustion mode, the content of dust particles in the baking-hot gas is greatly reduced, the purity of the baking-hot gas is improved, and pollution to dried objects is reduced.
Description
Technical field
The utility model relates to a kind of drying system, is specifically related to a kind of hot-blast stove for drying plant.
Background technology
At present, drying plant on market and drying unit kind are numerous, and drying mode is different, but its general principle is generally the hot gas with uniform temperature is blown in drying, hot gas, in drying and by drying article generation heat exchange, is realized the oven dry to article.
In current drying plant, still to adopt combustion furnace as origin of heat mostly, in the hot gas producing due to combustion furnace, have a large amount of soot dust granules, and the toxic gas that produces in the time of imperfect combustion of fuel, carry out drying article so conventionally combustion furnace hot gas out directly can not be imported to drying, so, at present normally by a hot conversion equipment, use from combustion furnace hot flue gas air out, and then carry out by the oven dry of drying article with heated air, avoid dust granules and toxic gas in flue gas to pollute by drying article with this, although current hot conversion equipment is structurally more and more exquisite, its thermal conversion rate is also more and more higher, but still heats all in flue gas all can not be transformed in air, so still having a large amount of waste heats in discharge flue gas is not utilized.
So, need at present a kind of drying plant that can efficiently utilize fuel badly.
Utility model content
The purpose of this utility model is: for existing drying plant above shortcomings, provide a kind of drying plant that can efficiently utilize fuel.
To achieve these goals, the technical solution adopted in the utility model is:
For a hot-blast stove for drying plant, comprise shaft, in described shaft, be provided with combustion chamber, on described combustion chamber, be provided with combustion head, on the sidewall of described combustion head, be provided with some the first through holes, described shaft inwall and described combustion chamber are spaced apart.In the time that hot-blast stove is worked, fuel is placed in combustion chamber, air enters in combustion chamber from combustion chamber lower end, fuel is the fuel gas of anoxycausis generation for the first time in combustion chamber, fuel gas upwards flow to combustion head place, owing to being spaced apart between combustion chamber and shaft, air enters in the gap between shaft and combustion chamber from shaft below, on combustion head, be provided with the first through hole, so, the air at combustion head place and combustion gas mixing, form burning for the second time at combustion head place, forming hot gas in combustion process for the second time, by this combustion system, reduce greatly the content of dust granules in hot gas, improve the degree of purity of hot gas, reduce by the pollution of drying article.So, by adopting hot-blast stove of the present utility model, dust granules and the pernicious gas of discharging in hot gas be can directly reduce, and then in the hot gas introducing drying that can directly hot-blast stove be discharged, the heat utilization efficiency of fuel and the drying efficiency of drying plant directly improved.
As preferably, between the upper limb of described combustion head and described shaft inwall, be provided with dividing plate, on described dividing plate, be provided with some the second through holes.Fuel gas is after combustion head and air mixed combustion, in the hot gas forming, still have unburned dust granules and fuel gas, by dividing plate is set, and the second through hole is set on dividing plate, part air in shaft and combustion chamber gap enters into combustion head top through the second through hole, mix and realize burning for the third time with the hot gas after burning for the second time, a small amount of unburned fuel gas and dust granules in the time burning for the second time are further burnt, when improving hot gas degree of purity, also further improved the heat of hot gas, improve the utilization rate of fuel.
As preferably, described the second through hole is along described combustion head circumference uniform distribution.The second through hole is distributed on dividing plate, makes air between combustion chamber and shaft through being evenly distributed on after the second through hole around combustion head, ensure the quality of burning for the third time.
As preferably, described shaft upper end is open state, is provided with hot conversion equipment on described shaft, and described shaft upper end inwall matches with the air inlet of described hot conversion equipment.Shaft upper end is set to open state, and shaft upper end inwall matches with hot conversion equipment, facilitates hot conversion equipment to be arranged on shaft.
As preferably, described hot conversion equipment includes the first cylindrical shell and spacer sleeve and is located at the second cylindrical shell of described the first inner barrel, between the lower end of the lower end of described the first cylindrical shell and described the second cylindrical shell, be provided with shrouding, described the first cylindrical shell upper end closed, described the second cylindrical shell upper end is open state, and be spaced apart with the upper end of described the first cylindrical shell, described the second cylindrical shell lower end is opens wide formation air inlet, and be positioned at the top of described combustion head, on the sidewall of described first cylindrical shell the latter half, be provided with gas outlet, described gas outlet place is provided with air exhauster, the import of described air exhauster is connected with described gas outlet, the outlet of described air exhauster is connected with drying.Hot conversion equipment of the present utility model, the hot gas directly shaft being produced imports in drying, make the hot gas producing in shaft by all oven dry for article, directly improve the heat utilization efficiency of drying plant, in use, in shaft, hot gas out upwards flow to the second cylindrical shell upper end along the second cylindrical shell from combustion head, due to the first cylindrical shell upper end closed, so hot gas flows downward along the first cylinder inboard wall again, then from gas outlet in air exhauster enters drying, due to hot gas upper and lower stirring in hot conversion equipment, improve the settling amount of dust granules in hot gas, improve the degree of purity that enters the hot-air in drying.
As preferably, described the first cylindrical shell upper end is provided with air inlet.Air with from shaft hot gas out mixes, then enters in drying in air inlet enters the first cylindrical shell, improves the intake in drying, improves drying efficiency in drying, also avoids gas superheat in hot conversion equipment simultaneously and damages hot conversion equipment.
As preferably, between described the first cylindrical shell and described the second cylindrical shell, be also arranged with the 3rd cylindrical shell, described the 3rd cylindrical shell lower end is arranged on described shrouding, and the upper end closed of described the 3rd cylindrical shell is arranged at intervals with some third through-holes on the sidewall of described the 3rd cylindrical shell the latter half.The 3rd cylindrical shell is set between the first cylindrical shell and the second cylindrical shell, under air exhauster suction, air enters from the air inlet of the first cylindrical shell, then along the first cylindrical shell and the 3rd cylindrical shell toward current downflow, in flow process, air is heated by the 3rd cylindrical shell, and the temperature of the 3rd cylindrical shell is reduced, make more free settling of airborne dust granules in the 3rd cylindrical shell, further improve the degree of purity of hot conversion equipment discharge air.
As preferably, on the sidewall of described the second cylindrical shell, be arranged at intervals with some fins.Increase the contact area of gas and the second cylindrical shell, while making gas flow cross the second cylindrical shell, can more effectively take away the heat on the second cylindrical shell.
As preferably, on the sidewall of described the 3rd cylindrical shell, be arranged at intervals with some fins.By on the sidewall at the 3rd cylindrical shell, fin being set, improve the air of suction and the heat exchange amount of the 3rd cylindrical shell, further reduce the temperature of the 3rd cylindrical shell.
As preferably, described the second cylindrical shell lower end is to downward-extension, and matches with described shaft inwall.Facilitate being connected and locating of hot conversion equipment and shaft.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
1, make fuel form three burnings, when improving hot gas degree of purity, also further improved the heat of hot gas, improved the utilization rate of fuel.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of dividing plate;
Fig. 3 is the drying plant that has adopted the utility model hot-blast stove;
Fig. 4 is the structural representation of hot conversion equipment,
Mark in figure: 1-shaft, 2-combustion chamber, 3-combustion head, 4-the first through hole, 5-drying, 6-dividing plate, 7-the second through hole, the hot conversion equipment of 8-, 9-air inlet, 10-the first cylindrical shell, 11-the second cylindrical shell, 12-shrouding, 13-gas outlet, 14-air exhauster, 15-air inlet, 17-the 3rd cylindrical shell, 18-third through-hole, 19-fin.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
A kind of hot-blast stove for drying plant as shown in the figure, comprise shaft 1, in described shaft 1, be provided with combustion chamber 2, on described combustion chamber 2, be provided with combustion head 3, on the sidewall of described combustion head 3, be provided with some the first through holes 4, described shaft 1 inwall and described combustion chamber 2 are spaced apart.In the time that hot-blast stove is worked, fuel is placed in combustion chamber 2, air enters in combustion chamber 2 from combustion chamber 2 lower ends, fuel is the fuel gas of anoxycausis generation for the first time in combustion chamber 2, fuel gas upwards flow to combustion head 3 places, owing to being spaced apart between combustion chamber 2 and shaft 1, air enters in the gap between shaft 1 and combustion chamber 2 from shaft 1 below, on combustion head 3, be provided with the first through hole 4, so, air and the combustion gas mixing at combustion head 3 places, form burning for the second time at combustion head 3 places, forming hot gas in combustion process for the second time, by this combustion system, reduce greatly the content of dust granules in hot gas, improve the degree of purity of hot gas, reduce by the pollution of drying article.So, by adopting hot-blast stove of the present utility model, dust granules and the pernicious gas of discharging in hot gas be can directly reduce, and then in the hot gas introducing drying 5 that can directly hot-blast stove be discharged, the heat utilization efficiency of fuel and the drying efficiency of drying plant directly improved.
As preferably, between the upper limb of described combustion head 3 and described shaft 1 inwall, be provided with dividing plate 6, on described dividing plate 6, be provided with some the second through holes 7.Fuel gas is after combustion head 3 and air mixed combustion, in the hot gas forming, still have unburned dust granules and fuel gas, by dividing plate 6 is set, and the second through hole 7 is set on dividing plate 6, shaft 1 enters into combustion head 3 tops with the part air in combustion chamber 2 gaps through the second through hole 7, mix and realize burning for the third time with the hot gas after burning for the second time, a small amount of unburned fuel gas and dust granules in the time burning for the second time are further burnt, when improving hot gas degree of purity, also further improved the heat of hot gas, improve the utilization rate of fuel.
As preferably, described the second through hole 7 is along described combustion head 3 circumference uniform distributions.The second through hole 7 is distributed on dividing plate 6, makes air between combustion chamber 2 and shaft 1 through being evenly distributed on after the second through hole 7 around combustion head 3, ensure the quality of burning for the third time.
As preferably, described shaft 1 upper end is open state, is provided with hot conversion equipment 8 on described shaft 1, and described shaft 1 upper end inwall matches with the air inlet 9 of described hot conversion equipment 8.Shaft 1 upper end is set to open state, and shaft 1 upper end inwall matches with hot conversion equipment 8, facilitates hot conversion equipment 8 to be arranged on shaft 1.
As preferably, described hot conversion equipment 8, include the second cylindrical shell 11 that the first cylindrical shell 10 and spacer sleeve are located at described the first cylindrical shell 10 inside, between the lower end of the lower end of described the first cylindrical shell 10 and described the second cylindrical shell 11, be provided with shrouding 12, described the first cylindrical shell 10 upper end closeds, described the second cylindrical shell 11 upper ends are open state, and be spaced apart with the upper end of described the first cylindrical shell 10, described the second cylindrical shell 11 lower ends are open state and form described air inlet 9, and be positioned at the top of described combustion head 3, on the sidewall of described first cylindrical shell 10 the latter halfs, be provided with gas outlet 13, 13 places, described gas outlet are provided with air exhauster 14, the import of described air exhauster 14 is connected with described gas outlet 13, the outlet of described air exhauster 14 is connected with drying 5.Hot conversion equipment 8 of the present utility model, the hot gas directly shaft 1 being produced imports in drying 5, make the hot gas producing in shaft 1 by all oven dry for article, directly improve the heat utilization efficiency of drying plant, in use, in shaft 1, hot gas out upwards flow to the second cylindrical shell 11 upper ends along the second cylindrical shell 11 from combustion head 3, due to the first cylindrical shell 10 upper end closeds, so hot gas flows downward along the first cylindrical shell 10 inwalls again, then from gas outlet in air exhauster 14 enters drying 5, because hot gas is in interior upper and lower the stirring of hot conversion equipment 8, improve the settling amount of dust granules in hot gas, improve the degree of purity that enters the hot-air in drying 5.
As preferably, described the first cylindrical shell 10 upper ends are provided with air inlet 15.It is interior with from shaft 1 hot gas out mixes that air enters the first cylindrical shell 10 from air inlet 15, enter again in drying 5, improve the intake in drying 5, improve the interior drying efficiency of drying 5, the while is also avoided the interior gas superheat of hot conversion equipment 8 and damages hot conversion equipment 8.
As preferably, between described the first cylindrical shell 10 and described the second cylindrical shell 11, be also arranged with the 3rd cylindrical shell 17, described the 3rd cylindrical shell 17 lower ends are arranged on described shrouding 12, the upper end closed of described the 3rd cylindrical shell 17, is arranged at intervals with some third through-holes 18 on the sidewall of described the 3rd cylindrical shell 17 the latter halfs.Between the first cylindrical shell 10 and the second cylindrical shell 11, the 3rd cylindrical shell 17 is set, under air exhauster 14 suctions, air enters from the air inlet 15 of the first cylindrical shell 10, then along the first cylindrical shell 10 and the 3rd cylindrical shell 17 toward current downflow, in flow process, air is heated by the 3rd cylindrical shell 17, and the temperature of the 3rd cylindrical shell 17 is reduced, make more free settling of the interior airborne dust granules of the 3rd cylindrical shell 17, further improve hot conversion equipment 8 and discharge the degree of purity of air.
As preferably, on the sidewall of described the second cylindrical shell 11, be arranged at intervals with some fins 19.Increase the contact area of gas and the second cylindrical shell 11, when making to suck gas and flowing through the second cylindrical shell 11, can more effectively take away the heat on the second cylindrical shell 11.
As preferably, on the sidewall of described the 3rd cylindrical shell 17, be arranged at intervals with some fins 19.By fin 19 is set on the sidewall at the 3rd cylindrical shell 17, improve the heat exchange amount of air amount and the 3rd cylindrical shell 17, further reduce the temperature of the 3rd cylindrical shell 17.
As preferably, described the second cylindrical shell 11 lower ends are to downward-extension, and match with described shaft 1 inwall.Facilitate being connected and locating of hot conversion equipment 8 and shaft 1.
All any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. the hot-blast stove for drying plant, comprise shaft, in described shaft, be provided with combustion chamber, on described combustion chamber, be provided with combustion head, on the sidewall of described combustion head, be provided with some the first through holes, described shaft inwall and described combustion chamber are spaced apart, described shaft upper end is open state, on described shaft, be provided with hot conversion equipment, described shaft upper end inwall matches with the air inlet of described hot conversion equipment, described hot conversion equipment includes the first cylindrical shell and spacer sleeve and is located at the second cylindrical shell of described the first inner barrel, between the lower end of the lower end of described the first cylindrical shell and described the second cylindrical shell, be provided with shrouding, described the first cylindrical shell upper end closed, described the second cylindrical shell upper end is open state, and be spaced apart with the upper end of described the first cylindrical shell, described the second cylindrical shell lower end is opens wide formation air inlet, and be positioned at the top of described combustion head, on the sidewall of described first cylindrical shell the latter half, be provided with gas outlet, described gas outlet place is provided with air exhauster, the import of described air exhauster is connected with described gas outlet, the outlet of described air exhauster is connected with drying.
2. the hot-blast stove for drying plant according to claim 1, is characterized in that, between the upper limb of described combustion head and described shaft inwall, is provided with dividing plate, is provided with some the second through holes on described dividing plate.
3. the hot-blast stove for drying plant according to claim 2, is characterized in that, described the second through hole is along described combustion head circumference uniform distribution.
4. the hot-blast stove for drying plant according to claim 3, is characterized in that, described the first cylindrical shell upper end is provided with air inlet.
5. the hot-blast stove for drying plant according to claim 4, it is characterized in that, between described the first cylindrical shell and described the second cylindrical shell, be also arranged with the 3rd cylindrical shell, described the 3rd cylindrical shell lower end is arranged on described shrouding, the upper end closed of described the 3rd cylindrical shell, is arranged at intervals with some third through-holes on the sidewall of described the 3rd cylindrical shell the latter half.
6. the hot-blast stove for drying plant according to claim 5, is characterized in that, is arranged at intervals with some fins on the sidewall of described the second cylindrical shell.
7. the hot-blast stove for drying plant according to claim 6, is characterized in that, is arranged at intervals with some fins on the sidewall of described the 3rd cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420186983.8U CN203907998U (en) | 2014-04-17 | 2014-04-17 | Cowper stove for drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420186983.8U CN203907998U (en) | 2014-04-17 | 2014-04-17 | Cowper stove for drying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203907998U true CN203907998U (en) | 2014-10-29 |
Family
ID=51782265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420186983.8U Expired - Lifetime CN203907998U (en) | 2014-04-17 | 2014-04-17 | Cowper stove for drying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203907998U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501402A (en) * | 2014-12-03 | 2015-04-08 | 成都明康顺业科技有限公司 | Efficient fuel gas hot air stove |
| CN111649481A (en) * | 2020-06-23 | 2020-09-11 | 萍乡市华顺环保化工填料有限公司 | Hot-blast stove system with pressure regulating function |
-
2014
- 2014-04-17 CN CN201420186983.8U patent/CN203907998U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501402A (en) * | 2014-12-03 | 2015-04-08 | 成都明康顺业科技有限公司 | Efficient fuel gas hot air stove |
| CN104501402B (en) * | 2014-12-03 | 2018-04-27 | 成都明康顺业科技有限公司 | A kind of high efficiency burnt gas hot-blast stove |
| CN111649481A (en) * | 2020-06-23 | 2020-09-11 | 萍乡市华顺环保化工填料有限公司 | Hot-blast stove system with pressure regulating function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |
|
| CX01 | Expiry of patent term |