CN103884168B - A kind of New drying equipment - Google Patents

A kind of New drying equipment Download PDF

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Publication number
CN103884168B
CN103884168B CN201410154441.7A CN201410154441A CN103884168B CN 103884168 B CN103884168 B CN 103884168B CN 201410154441 A CN201410154441 A CN 201410154441A CN 103884168 B CN103884168 B CN 103884168B
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cylindrical shell
conversion device
heat conversion
drying
combustion
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CN103884168A (en
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朱文忠
李学钰
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SICHUAN YANSEN FURNACE INDUSTRY Co Ltd
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SICHUAN YANSEN FURNACE INDUSTRY Co Ltd
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Abstract

The present invention relates to a kind of drying system, be specifically related to a kind of New drying equipment, comprise combustion furnace, heat conversion device and drying, described heat conversion device is arranged on described combustion furnace, described heat conversion device includes air inlet and gas outlet, described gas outlet place is provided with air exhauster, and the import of described air exhauster is connected with the gas outlet of described heat conversion device, and the outlet of described air exhauster is connected with described drying.The flue gas directly produced by combustion furnace by heat conversion device imports in drying, make the flue gas produced in combustion furnace by the oven dry all for article, directly enhance the heat utilization efficiency of drying plant, and now heat conversion device, as dust falling device, reduces the content of dust granules in flue gas.

Description

A kind of New drying equipment
Technical field
The present invention relates to a kind of drying system, be specifically related to a kind of New drying equipment.
Background technology
At present, drying plant on market and drying unit huge number, drying mode is different, but its general principle is generally and is blown in drying by the hot-air with uniform temperature, hot-air, in drying and by drying article generation heat exchange, realizes the oven dry to article.
In current drying plant, still adopt combustion furnace as origin of heat mostly, a large amount of soot dust granules is had due in the hot gas that combustion furnace produces, and the toxic gas that fuel produces when imperfect combustion, so usually combustion furnace hot gas out directly can not be imported drying to carry out drying article, so, at present normally by a heat conversion device, hot-air is added with from combustion furnace heat smoke out, and then with being undertaken by the oven dry of drying article by the air heated, the dust granules in flue gas and toxic gas is avoided to pollute by drying article with this, although current heat conversion device 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, do not utilized so still have a large amount of waste heats in discharge flue gas.
So, need badly at present a kind of can the drying plant of efficiency utilization combustion furnace heat.
Summary of the invention
The object of the invention is to: for existing drying plant above shortcomings, provide a kind of can the drying plant of efficiency utilization combustion furnace heat.
To achieve these goals, the technical solution used in the present invention is:
A kind of New drying equipment, comprise combustion furnace, heat conversion device and drying, described heat conversion device is arranged on described combustion furnace, described heat conversion device includes air inlet and gas outlet, described gas outlet place is provided with air exhauster, the import of described air exhauster is connected with the gas outlet of described heat conversion device, and the outlet of described air exhauster is connected with described drying.The flue gas directly produced by combustion furnace by heat conversion device imports in drying, make the flue gas produced in combustion furnace by the oven dry all for article, directly enhance the heat utilization efficiency of drying plant, and now heat conversion device, as dust falling device, reduces the content of dust granules in hot gas.
As preferably, described combustion furnace comprises shaft, is provided with combustion chamber in described shaft, and described combustion chamber is provided with combustion head, and described shaft inwall and described combustion chamber are spaced apart.When combustion furnace works, fuel is placed in combustion chamber, air enters in combustion chamber from combustion chamber lower end, fuel is first time anoxycausis generation fuel gas 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 below shaft, so, the air at combustion head place and combustion gas mixing, second time burning is formed at combustion head place, hot flue gas is formed in second time combustion process, by this combustion system, greatly reduce the content of dust granules in hot flue gas, improve the degree of purity of hot flue gas, reduce by the pollution of drying article.
As preferably, be provided with dividing plate between the upper limb of described combustion head and described shaft inwall, described dividing plate be provided with some first through holes.Fuel gas is after combustion head and air mixed combustion, a small amount of unburned dust granules and fuel gas is still had in the hot flue gas formed, by arranging dividing plate, and the first through hole is set on dividing plate, partial air in shaft and combustion chamber gap enters into above combustion head through the first through hole, hot gas and vapor permeation after burning with second time realizes burning for the third time, a small amount of unburned fuel gas and dust granules when second time burning are further burnt, while improving hot gas degree of purity, also further improve the heat of hot gas, improve the utilization rate of fuel.
As preferably, described heat conversion device includes the second cylindrical shell that the first cylindrical shell and spacer sleeve are located at described first inner barrel, shrouding is provided with between the lower end of described first cylindrical shell and the lower end of described second cylindrical shell, described first cylindrical shell upper end closed, described second cylindrical shell upper end is open state, and be spaced apart with the upper end of described first cylindrical shell, described second cylindrical shell open at its lower end forms described air inlet, and being positioned at the top of described combustion head, described gas outlet is arranged on described first cylindrical shell the latter half.In use, in combustion furnace, 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 enter in drying from gas outlet through air exhauster, due to hot gas upper and lower stirring in heat conversion device, improve the settling amount of dust granules in hot gas, further improve the degree of purity of the hot-air entered in drying.
As preferably, described first cylindrical shell upper end is provided with air inlet.After mixing with combustion furnace hot gas out after entering heat conversion device from air inlet, then enter in drying, improve the intake in drying, improve drying efficiency in drying, also avoid gas superheat in heat conversion device and damage heat conversion device simultaneously.
As preferably, the 3rd cylindrical shell is arranged with from inside to outside successively between described first cylindrical shell and described second cylindrical shell, 4th cylindrical shell and the 5th cylindrical shell, described 3rd cylindrical shell, 4th cylindrical shell and the 5th cylindrical shell are arranged on described shrouding, described gas outlet place is provided with escape pipe, the space that described escape pipe extends also and between described second cylindrical shell and the 3rd cylindrical shell in described first cylindrical shell is connected, described 4th cylindrical shell upper end and described second cylindrical shell upper end are tightly connected, described 3rd cylindrical shell upper end is open state and is spaced apart with described 4th cylindrical shell upper end, described 5th cylindrical shell upper end is sealing state, described 5th cylindrical shell lower end is provided with tube connector, described tube connector two ends are each passed through described 5th cylindrical shell and the 4th cylindrical shell, the part of described escape pipe between described 4th cylindrical shell and described 5th cylindrical shell is provided with the second through hole.During work, extraneous air enters the first cylindrical shell from air inlet, then flow down through in gap that tube connector enters between the 3rd cylindrical shell and the 4th cylindrical shell along the gap between the first cylindrical shell and the 5th cylindrical shell and up flow, then flow downward along the gap between the 3rd cylindrical shell and the second cylindrical shell after crossing the 3rd cylindrical shell upper end enters in drying from escape pipe, meanwhile, the flue gas of burning furnace high-temperature up flows from combustion head along the second cylindrical shell, due to the stop of the 5th cylindrical shell upper end, flue gas flows downward along the gap between the 5th cylindrical shell and the 4th cylindrical shell, and then to enter in escape pipe through the second through hole and mix with air, in this process, hot flue gas rolling flow in heat conversion device heats the second cylindrical shell, 3rd cylindrical shell, 4th cylindrical shell and the 5th cylindrical shell, and the air entered from air inlet also in heat conversion device rolling flow heated by each cylindrical shell, and then the hot-cast socket achieved between flue gas and air, due to the flowing that flue gas rises and falls, and temperature progressively reduces, so the dust granules progressively sedimentation in flue gas, and then decrease the content of discharging dust granules in flue gas.
As preferably, the sidewall of described second cylindrical shell is arranged at intervals with some fins.Increase the contact area of flue gas and the second cylindrical shell, when making gas flue gas flow through the second cylindrical shell, the heat in flue gas can be taken away by the second cylindrical shell more fast and effectively.
As preferably, the sidewall of described 4th cylindrical shell is arranged at intervals with some fins.By arranging fin on the sidewall of the 4th cylindrical shell, the heat exchange amount of the air that raising air inlet enters and the 4th cylindrical shell, reduces the temperature of raising the 4th cylindrical shell further.
As preferably, to downward-extension, and match with described shaft inwall in lower large little round table-like in described second cylindrical shell lower end.Facilitate being connected of heat conversion device and combustion furnace, entering of convenient burning inner flue gas of the stove.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, the hot gas directly produced by combustion furnace by heat conversion device is imported in drying, makes the hot gas produced in combustion furnace by the oven dry all for article, directly enhances the heat utilization efficiency of drying plant.
Other beneficial effect in embodiments of the present invention:
1, send into drying after directly being mixed with air by flue gas, improve drying efficiency, improve the heat utilization efficiency of fuel.
2, make fuel form three burnings, while improving hot gas degree of purity, also further improve the heat of hot gas, improve the utilization rate of fuel.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of combustion furnace;
Fig. 3 is the structural representation of heat conversion device;
Fig. 4 is the structural representation of dividing plate,
Mark in figure: 1-combustion furnace, 2-heat conversion device, 3-drying, 4-air exhauster, 101-shaft, 102-combustion chamber, 103-combustion head, 104-dividing plate, 105-first through hole, 201-air inlet, 202-gas outlet, 203-first cylindrical shell, 204-second cylindrical shell, 205-shrouding, 206-air inlet, 207-the 3rd cylindrical shell, 208-the 4th cylindrical shell, 209-the 5th cylindrical shell, 210-escape pipe, 211-tube connector, 212-second through hole, 213-fin.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
A kind of New drying equipment as shown in Figures 1 to 4, comprise combustion furnace 1, heat conversion device 2 and drying 3, described heat conversion device 2 is arranged on described combustion furnace 1, described heat conversion device 2 includes air inlet 201 and gas outlet 202, described air inlet 201 is connected with described combustion furnace 1, described gas outlet 202 place is provided with air exhauster 4, and the import of described air exhauster 4 is connected with the gas outlet 202 of described heat conversion device 2, and the outlet of described air exhauster 4 is connected with described drying 3.The flue gas directly produced by combustion furnace 1 by heat conversion device 2 imports in drying 3, make the flue gas produced in combustion furnace 1 by the oven dry all for article, directly enhance the heat utilization efficiency of drying plant, and now heat conversion device 2, as dust falling device, reduces the content of dust granules in flue gas.
As preferably, described combustion furnace 1 comprises shaft 101, is provided with combustion chamber 102 in described shaft 101, and described combustion chamber 102 is provided with combustion head 103, and described shaft 101 inwall and described combustion chamber 102 are spaced apart.When combustion furnace 1 works, fuel is placed in combustion chamber 102, air enters in combustion chamber 102 from combustion chamber 102 lower end, fuel is first time anoxycausis generation fuel gas in combustion chamber 102, fuel gas upwards flow to combustion head 103 place, owing to being spaced apart between combustion chamber 102 and shaft 101, air enters in the gap between shaft 101 and combustion chamber 102 below shaft 101, so, the air at combustion head 103 place and combustion gas mixing, second time burning is formed at combustion head 103 place, hot gas is formed in second time combustion process, by this combustion system, greatly reduce the content of processing dust granules in flue gas, improve the degree of purity of processing flue gas, reduce by the pollution of drying article.
As preferably, between the upper limb of described combustion head 103 and the inwall of described shaft 101, be provided with dividing plate 104, described dividing plate 104 be provided with some first through holes 105.Fuel gas is behind combustion head 103 place and air mixed combustion, processing in flue gas of being formed still has unburned dust granules and fuel gas, by arranging dividing plate 104, and the first through hole 105 is set on dividing plate 104, shaft 101 enters into above combustion head 103 with the partial air in combustion chamber 102 gap through the first through hole 105, cigarette gas and vapor permeation of processing after burning with second time realizes burning for the third time, a small amount of unburned fuel gas and dust granules when second time burning are burnt, improve while processing flue gas by pure cleanliness, also further improve the heat of processing flue gas body, improve the utilization rate of fuel.
As preferably, described heat conversion device 2 includes the second cylindrical shell 204 that the first cylindrical shell 203 and spacer sleeve are located at described first cylindrical shell 203 inside, shrouding 205 is provided with between the lower end of described first cylindrical shell 203 and the lower end of described second cylindrical shell 204, described first cylindrical shell 203 upper end closed, described second cylindrical shell 204 upper end is open state, and be spaced apart with the upper end of described first cylindrical shell 203, described second cylindrical shell 204 open at its lower end forms described air inlet 201, and be positioned at the top of described combustion head 103, described gas outlet 202 is arranged on described first cylindrical shell 203 the latter half.In use, process flue gas in combustion furnace 1 and out upwards flow to the second cylindrical shell 204 upper end along the second cylindrical shell 204 from combustion head 103, due to the first cylindrical shell 203 upper end closed, so flue gas flows downward along the first cylindrical shell 203 inwall again, then enter in drying 3 from gas outlet 202 through air exhauster 4, due to flue gas upper and lower stirring in heat conversion device 2, improve the settling amount of dust granules in flue gas, further improve the degree of purity of the hot-air entered in drying 3.
As preferably, described first cylindrical shell 203 upper end is provided with air inlet 206.After mixing with combustion furnace 1 flue gas out after air enters heat conversion device from air inlet 206, enter in drying 3 again, improve the intake in drying 3, and then improve the drying efficiency in drying 3, also avoid gas superheat in heat conversion device 2 and damage heat conversion device 2 simultaneously.
As preferably, the 3rd cylindrical shell 207 is arranged with from inside to outside successively between described first cylindrical shell 203 and described second cylindrical shell 204, 4th cylindrical shell 208 and the 5th cylindrical shell 209, described 3rd cylindrical shell 207, 4th cylindrical shell 208 and the 5th cylindrical shell 209 are arranged on described shrouding 205, described gas outlet 202 place is provided with escape pipe 210, described escape pipe 210 is connected towards the space extended also and between described second cylindrical shell 204 and the 3rd cylindrical shell 207 in described first cylindrical shell 203, described 4th cylindrical shell 208 upper end and described second cylindrical shell 204 upper end are tightly connected, described 3rd cylindrical shell 207 upper end is open state and is spaced apart with described 4th cylindrical shell 208 upper end, described 5th cylindrical shell 209 upper end is sealing state, described 5th cylindrical shell 209 lower end is provided with tube connector 211, described tube connector 211 two ends are each passed through described 5th cylindrical shell 209 and the 4th cylindrical shell 208, the part of described escape pipe 210 between described 4th cylindrical shell 208 and described 5th cylindrical shell 209 is provided with the second through hole 212.During work, extraneous air enters the first cylindrical shell 203 from air inlet 206, then flow down through in gap that tube connector 211 enters between the 3rd cylindrical shell 207 and the 4th cylindrical shell 208 along the gap between the first cylindrical shell 203 and the 5th cylindrical shell 209 and up flow, then flow downward along the gap between the 3rd cylindrical shell 207 and the second cylindrical shell 204 after crossing the 3rd cylindrical shell 207 upper end enters in drying 3 from escape pipe 210, meanwhile, in combustion furnace 1, the flue gas of high temperature up flows from combustion head 103 along the second cylindrical shell 204, due to the stop of the 5th cylindrical shell 209 upper end, flue gas flows downward along the gap between the 5th cylindrical shell 209 and the 4th cylindrical shell 208, and then to enter in escape pipe 210 through the second through hole 212 and mix with air, in this process, hot flue gas rolling flow in heat conversion device 2 heats the second cylindrical shell 204, 3rd cylindrical shell 207, 4th cylindrical shell 208 and the 5th cylindrical shell 209, and the air entered from air inlet 206 also in heat conversion device 2 rolling flow heated by each cylindrical shell, and then the hot-cast socket achieved between flue gas and air, due to the flowing that flue gas rises and falls, and temperature progressively reduces, so the dust granules progressively sedimentation in flue gas, and then decrease the content of discharging dust granules in flue gas.
As preferably, the sidewall of described second cylindrical shell 204 is arranged at intervals with some fins 213.Increase the contact area of flue gas and the second cylindrical shell 204, when making flue gas flow through the second cylindrical shell 204, the heat in flue gas can be taken away by the second cylindrical shell 204 more fast.
As preferably, the sidewall of described 4th cylindrical shell 208 is arranged at intervals with some fins 213.By arranging fin 213 on the sidewall of the 4th cylindrical shell 208, the heat exchange amount of the air that raising air inlet 206 enters and the 4th cylindrical shell 208, improves the temperature of the 4th cylindrical shell 213 further.
As preferably, described second cylindrical shell 204 lower end is lower large little round table-like.Facilitate entering of flue gas in combustion furnace 1.
All any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (6)

1. a New drying equipment, comprise combustion furnace, heat conversion device and drying, described heat conversion device is arranged on described combustion furnace, described heat conversion device includes air inlet and gas outlet, described gas outlet place is provided with air exhauster, the import of described air exhauster is connected with the gas outlet of described heat conversion device, the outlet of described air exhauster is connected with described drying, described combustion furnace comprises shaft, combustion chamber is provided with in described shaft, described combustion chamber is provided with combustion head, it is characterized in that, described shaft inwall and described combustion chamber are spaced apart, dividing plate is provided with between the upper limb of described combustion head and described shaft inwall, described dividing plate is provided with some first through holes.
2. New drying equipment according to claim 1, it is characterized in that, described heat conversion device includes the second cylindrical shell that the first cylindrical shell and spacer sleeve are located at described first inner barrel, shrouding is provided with between the lower end of described first cylindrical shell and the lower end of described second cylindrical shell, described first cylindrical shell upper end closed, described second cylindrical shell open upper end forms described air inlet, and be spaced apart with the upper end of described first cylindrical shell, described second cylindrical shell lower end is open state, and being positioned at the top of described combustion head, described gas outlet is arranged on described first cylindrical shell the latter half.
3. New drying equipment according to claim 2, is characterized in that, described first cylindrical shell upper end is provided with air inlet.
4. New drying equipment according to claim 3, it is characterized in that, the 3rd cylindrical shell is arranged with from inside to outside successively between described first cylindrical shell and described second cylindrical shell, 4th cylindrical shell and the 5th cylindrical shell, described 3rd cylindrical shell, 4th cylindrical shell and the 5th cylindrical shell are arranged on described shrouding, described gas outlet place is provided with escape pipe, the space that described escape pipe extends also and between described second cylindrical shell and the 3rd cylindrical shell in described first cylindrical shell is connected, described 4th cylindrical shell upper end and described second cylindrical shell upper end are tightly connected, described 3rd cylindrical shell upper end is open state and is spaced apart with described 4th cylindrical shell upper end, described 5th cylindrical shell upper end is sealing state, described 5th cylindrical shell lower end is provided with tube connector, described tube connector two ends are each passed through described 5th cylindrical shell and the 4th cylindrical shell, the part of described escape pipe between described 4th cylindrical shell and described 5th cylindrical shell is provided with the second through hole.
5. New drying equipment according to claim 4, is characterized in that, the sidewall of described second cylindrical shell is arranged at intervals with some fins.
6. New drying equipment according to claim 5, is characterized in that, the sidewall of described 4th cylindrical shell is arranged at intervals with some fins.
CN201410154441.7A 2014-04-17 2014-04-17 A kind of New drying equipment Active CN103884168B (en)

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CN103884168B true CN103884168B (en) 2016-01-27

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202470409U (en) * 2011-12-29 2012-10-03 陈玉涛 Fuel gas hot-air furnace
CN202938611U (en) * 2012-12-11 2013-05-15 刘波 High-efficiency energy-saving environment-friendly vertical type hot-air stove
CN203349600U (en) * 2013-06-21 2013-12-18 绍兴仁飞炭黑有限公司 Carbon black drying system
CN203478336U (en) * 2013-09-30 2014-03-12 四川省焱森炉业有限公司 Portable cooking stove with feed port
CN203478338U (en) * 2013-09-30 2014-03-12 四川省焱森炉业有限公司 High-efficiency half-gasification fluorine reducing stove
CN203908263U (en) * 2014-04-17 2014-10-29 四川省焱森炉业有限公司 Novel drying equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202470409U (en) * 2011-12-29 2012-10-03 陈玉涛 Fuel gas hot-air furnace
CN202938611U (en) * 2012-12-11 2013-05-15 刘波 High-efficiency energy-saving environment-friendly vertical type hot-air stove
CN203349600U (en) * 2013-06-21 2013-12-18 绍兴仁飞炭黑有限公司 Carbon black drying system
CN203478336U (en) * 2013-09-30 2014-03-12 四川省焱森炉业有限公司 Portable cooking stove with feed port
CN203478338U (en) * 2013-09-30 2014-03-12 四川省焱森炉业有限公司 High-efficiency half-gasification fluorine reducing stove
CN203908263U (en) * 2014-04-17 2014-10-29 四川省焱森炉业有限公司 Novel drying equipment

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