CN104121593B - Integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain, the device of gypsum rain - Google Patents
Integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain, the device of gypsum rain Download PDFInfo
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- CN104121593B CN104121593B CN201410368801.3A CN201410368801A CN104121593B CN 104121593 B CN104121593 B CN 104121593B CN 201410368801 A CN201410368801 A CN 201410368801A CN 104121593 B CN104121593 B CN 104121593B
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Abstract
The invention discloses a kind of integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain, the device of gypsum rain, it includes：The integrated heat insulating block for the chimney internal cylinder outer wall surface that is laid in, is arranged on temperature sensor, microcomputer controller and integrated heat insulating block power supply on chimney internal cylinder outer wall；Temperature sensor is connected with microcomputer controller, and microcomputer controller is connected with integrated heat insulating block power supply, and integrated heat insulating block power supply is connected with integrated heat insulating block.Integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain disclosed by the invention, the device of gypsum rain, flue gas and inner cylinder wall, external environment can be substantially eliminated externally to radiate due to the temperature difference condensate liquid produced on inner tube wall, the droplet content condensate liquid reentrainment phenomenon in flue gas is effectively reduced, so as to effectively solve the generation of " the chimney rain " near chimney, " gypsum rain " phenomenon or acid mist sedimentation phenomenon.
Description
Technical field
The present invention relates to chimney field, more particularly to a kind of integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain,
The device of gypsum rain.
Background technology
The wet desulphurization that current thermal power plant is generally used does not fill flue gas heating system technique, makes the flue gas for being discharged into chimney
Easily condensation forms drop to temperature in 50 DEG C or so, wet flue gas discharge process, and not only the corrosivity to chimney is greatly reinforced, and
And if cannot effectively lifting, diffuse into air, some of them big drops that have little time to spread, evaporate will drop
Drop down onto the ground on chimney periphery.The droplet of these sedimentations contains a certain amount of SO in acidity2、SO3And gypsum slurries etc., can be right
Equipment, facility and building in settling zone cause certain corrosion, and the production, life on surrounding resident produce influence, feelings
Condition is serious, can be protested by neighbouring resident.
Currently without specifically designed for " chimney rain ", the relatively effective Systematic control scheme of " gypsum rain " phenomenon, primary abatement
Method is as follows：
（1）Reduce the entrainment of flue gas slurries：By reducing flue gas flow rate in absorption tower；From ridge-roof type demister, optimization is removed
Day with fog backwashing manner；Install demister or eddy flow guide plate etc. additional in net flue and chimney internal cylinder.
（2）Add the devices such as wet type demister, complex phase-change heat exchanger；
（3）Optimize chimney design：Condense liquor collecting device：According to the architectural characteristic of chimney/flue, in chimney/flue
Portion sets a series of condensation liquor collecting devices.It is simple that there is this device simple in construction, applied widely and post facility to safeguard,
Without extra consumed energy during system operation.If Patent No. " 201220569152.X ", patent name are " wet flue gas flue
Condense liquor collecting device " Chinese patent disclosed in device, but the device can not fundamentally reduce due to external environment with
Condensing liquid quantity caused by the flue gas temperature difference.
But above method technical risk is high, can what be had be only in the development test stage, be transported in boiler for high power station
With needing to be put into practice, and can not be inherently eliminated because flue-gas temperature it is low caused by " chimney rain ", " gypsum rain " phenomenon.Chimney
Inner cylinder wall, external environment（Including the region between inner/outer tube）There is the temperature difference between flue gas, flue gas easily externally radiating and
Condensate liquid is produced on inner tube wall, this is to cause " chimney rain ", the major reason of " gypsum rain " phenomenon.It is therefore desirable to study one
" chimney rain ", " gypsum rain " preventing and treating device of the heating Wet chimney inner cylinder of kind of high efficient and reliable, with substantially eliminate due to inner cylinder wall,
External environment and the temperature difference of flue gas and the condensate liquid generated, effectively reduce condensate liquid reentrainment phenomenon, so as to effectively solve cigarette
" chimney rain ", the generation of " gypsum rain " phenomenon near chimney.
The content of the invention
The present invention is directed to above-mentioned problems of the prior art, proposes that a kind of integrated heat insulating block heating of high efficient and reliable is wet
Chimney internal cylinder wall preventing and treating chimney rain, the device of gypsum rain, to substantially eliminate flue gas with inner cylinder wall, external environment due to the temperature difference
Externally radiate the condensate liquid produced on inner tube wall, effectively reduces the droplet content condensate liquid reentrainment phenomenon in flue gas, from
And effectively solve the generation of " chimney rain " near chimney, " gypsum rain " phenomenon or acid mist sedimentation phenomenon.
In order to solve the above technical problems, the present invention is achieved through the following technical solutions：
The present invention provides a kind of integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain, the device of gypsum rain, the dress
Put including：Be laid in chimney internal cylinder outer wall surface integrated heat insulating block, be arranged on the TEMP on the outer wall of chimney internal cylinder
Device, microcomputer controller and integrated heat insulating block power supply；The temperature sensor is connected with the microcomputer controller, described micro-
Computer controller is connected with the integrated heat insulating block power supply.
Chimney internal cylinder outer wall is heated by integrated heat insulating block, and by temperature sensor, microcomputer controller come
Control inner/outer tube between temperature so that the wall surface temperature and flue-gas temperature of chimney internal cylinder are consistent, effectively prevent due to
Flue gas externally radiates and generates condensate liquid on interior tube wall surface.The temperature sensed is transmitted to micro computer control by temperature sensor
Device, microcomputer controller according to default temperature range and temperature sensor senses to temperature compare relatively and control integrated insulation
The break-make of block power supply.
It is preferred that the device also includes being arranged on seal cover board between chimney outer barrel and chimney internal cylinder, chimney internal cylinder and
Sealed between chimney outer barrel by seal cover board, reduce the loss of heat；Further, in addition to it is laid in the chimney outer barrel
Insulation material on wall.Pass through seal cover board and insulation material, it is possible to reduce heat losses, preferably keep chimney internal cylinder and cigarette
The temperature in region between chimney outer barrel, makes it be preferably consistent with flue-gas temperature.
It is preferred that the integrated heat insulating block includes asbestos, aluminium skin, electric-heating belt and heat preservation fireproofing material；Wherein：The stone
Cotton is laid on the outer wall of the chimney internal cylinder；The aluminium skin is covered on the asbestos；The electric-heating belt is pasted with aluminium glue band
On the aluminium skin, the electric-heating belt includes the electric-heating belt of some series connection；The heat preservation fireproofing material is laid in the electricity
On heating tape；The asbestos, the aluminium skin, the electric-heating belt and the heat preservation fireproofing material are fixed by heat resistant pressure sensitive adhesive band
Together.The aluminium skin plays a part of isolated part heat.
It is preferred that the asbestos thickness in the integrated heat insulating block is 10mm~15mm.
It is preferred that the electric-heating belt in the integrated heat insulating block is automatic temperature-control electric heating belt, when temperature sensor or
When microcomputer controller breaks down, electric-heating belt can also automatically control its temperature, it is ensured that the security of chimney.
It is preferred that the integrated heat insulating block be provided with it is multiple, multiple integrated heat insulating blocks in isosceles triangle arrange, it is parallel apply
The surface of the inner tank theca is located at, being arranged in isosceles triangle can make the outer wall-heated of chimney internal cylinder uniform, preferably make chimney
The outside wall temperature of inner cylinder is consistent.
It is preferred that the circumferencial direction of outer wall of the temperature sensor along the chimney internal cylinder is at least provided with four；With
The corresponding microcomputer controller of the temperature sensor and the integrated heat insulating block power supply are along the outer of the chimney internal cylinder
The circumferencial direction of wall sets identical quantity；The integrated heat insulating block and the integrated heat insulating block power supply phase away from its nearest neighbours
Even.
It is preferred that the vertical direction of outer wall of the temperature sensor along the chimney internal cylinder be provided with it is multiple, adjacent two
Between individual at intervals of 10m~30m；The microcomputer controller corresponding with the temperature sensor and the integrated heat insulating block
The vertical direction of outer wall of the power supply along the chimney internal cylinder is also equipped with multiple；The integrated heat insulating block and the institute away from its nearest neighbours
Integrated heat insulating block power supply is stated to be connected.
Compared to prior art, the present invention has advantages below：
Chimney rain, the gypsum rain preventing and treating device for the integrated heat insulating block heating Wet chimney inner tube wall that the present invention is provided, by right
Region carries out the mode of integrated heat insulating block heating between chimney inner/outer tube so that chimney internal cylinder wall surface temperature is kept with flue-gas temperature
Unanimously, flue gas and inner cylinder wall, external environment is essentially eliminated externally to radiate due to the temperature difference condensation produced on inner tube wall
Liquid, effectively reduces the droplet content and condensate liquid reentrainment phenomenon in flue gas, so as to be prevented effectively from the " chimney near chimney
The generation of rain ", " gypsum rain " or acid mist sedimentation phenomenon.The device：
（1）Simple in construction, the production cycle is shorter；
（2）It is applied widely：Except titanium steel composite board inner cylinder Wet chimney, concrete, brick inner cylinder etc. are also widely applied to
Other types Wet chimney；
（3）Efficiently：Current desulfuration chimney especially titanium steel composite board internal cylinder chimney and flue gas flow rate can be substantially solved
The generation for " chimney rain ", " gypsum rain " or the acid mist sedimentation phenomenon urgently to be resolved hurrily that too high chimney is present, the device is also in addition
Chimney top ice formation issues can effectively be solved.
Brief description of the drawings
Embodiments of the present invention are described further below in conjunction with the accompanying drawings：
Fig. 1 prevents and treats chimney rain, the device of gypsum rain for the integrated heat insulating block heating Wet chimney inner tube wall of the embodiment of the present invention
Overall structure figure；
Fig. 2 prevents and treats chimney rain, the device of gypsum rain for the integrated heat insulating block heating Wet chimney inner tube wall of the embodiment of the present invention
Partial enlarged drawing；
Fig. 3 prevents and treats chimney rain, the device of gypsum rain for the integrated heat insulating block heating Wet chimney inner tube wall of the embodiment of the present invention
Top view；
Fig. 4 prevents and treats chimney rain, the device of gypsum rain for the integrated heat insulating block heating Wet chimney inner tube wall of the embodiment of the present invention
Side view；
Fig. 5 prevents and treats chimney rain, the device of gypsum rain for the integrated heat insulating block heating Wet chimney inner tube wall of the embodiment of the present invention
Integrated heat insulating block structure chart.
Label declaration：1- seal cover boards, the integrated heat insulating blocks of 2-, 3- temperature sensors, 4- chimney outer barrels, 5- chimney internal cylinders,
6- insulation materials, 7- microcomputer controllers, the integrated heat insulating block power supplys of 8-, 9- asbestos, 10- aluminium skins, 11- electric-heating belts, 12- insulations
Fire proofing material, 13- heat resistant pressure sensitive adhesive bands.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementations
Example.
Fig. 1-Fig. 5 is referred to, integrated heat insulating block heating Wet chimney inner tube wall of the invention prevents and treats chimney rain, the dress of gypsum rain
Put including：Be laid in chimney internal cylinder 5 outer wall surface integrated heat insulating block 2, be arranged on temperature on the outer wall of chimney internal cylinder 5 and pass
Sensor 3, microcomputer controller 7 and integrated heat insulating block power supply 8；Temperature sensor 3 is connected with microcomputer controller 7, micro computer
Controller 7 is connected with integrated heat insulating block power supply 8.
Seal cover board 1 is provided with the present embodiment between chimney internal cylinder 5 and chimney outer barrel 4；On the inwall of chimney outer barrel 4
It is laid with insulation material 6.The loss of heat can be reduced by so setting, and preferably maintain inner wall of stack consistent with flue-gas temperature.
Integrated heat insulating block 2 includes asbestos 9, aluminium skin 10, electric-heating belt 11 and heat preservation fireproofing material 12 in the present embodiment；Its
In：On the outer wall of the laying chimney internal cylinder 5 of asbestos 9；Aluminium skin 10 is covered on asbestos 9；Electric-heating belt 11 is attached to aluminium skin with aluminium glue band
On 10, electric-heating belt 11 includes the electric-heating belt of some series connection；Heat preservation fireproofing material 12 is laid on electric-heating belt 11；Asbestos 9,
Aluminium skin 10, electric-heating belt 11 and heat preservation fireproofing material 12 are fixed together by heat resistant pressure sensitive adhesive band 13.Aluminium skin 10 plays isolation
The effect of partial heat.
In the present embodiment integrated heat insulating block 2 be provided with it is multiple, multiple integrated heat insulating blocks 2 in isosceles triangle arrange, parallel lay-up
In the outer wall surface of chimney internal cylinder 5, isosceles triangle arrangement can be heated evenly chimney internal cylinder 5, better ensure that chimney internal cylinder 5
Outside wall temperature is consistent.
Not in be the same as Example, the thickness of asbestos 9 can be 10mm~15mm.
In preferred embodiment, electric-heating belt 11 is automatic temperature-control electric heating belt, when temperature sensor 3 or microcomputer controller 7
During failure, electric-heating belt 11 can also automatically control its temperature, it is ensured that the security of chimney.
In preferred embodiment, 4 temperature sensors 3 are averagely provided with along the circumferencial direction of the outer wall of chimney internal cylinder 5, with temperature
The circumferencial direction of the outer wall of the corresponding microcomputer controller 7 of sensor 3 and integrated heat insulating block power supply 8 along chimney internal cylinder 5 also divides
She Zhi not be 4；Meanwhile, the vertical direction of the outer wall of chimney internal cylinder 5 is provided with multiple temperature sensors 3, with temperature sensor 3
The vertical direction of the outer wall of corresponding microcomputer controller 6 and integrated heat insulating block power supply 8 along chimney internal cylinder 5 is also equipped with many
Individual, integrated heat insulating block 2 is connected with the integrated heat insulating block power supply 8 away from its nearest neighbours.
Not in be the same as Example, the temperature sensor of more than four can be set along the circumferencial direction of the outer wall of chimney internal cylinder 5
3；Along chimney internal cylinder 5 outer wall vertical direction set two neighboring temperature sensor 3 between interval can for 10m~
30m。
Integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain, the device of gypsum rain of the present invention may be mounted at titanium
On steel composite board Wet chimney, the other types Wet chimneys such as concrete, brick inner cylinder can also be arranged on.
Disclosed herein is only the preferred embodiments of the present invention, and this specification is chosen and specifically describes these embodiments, is
It is not limitation of the invention to preferably explain the principle and practical application of the present invention.Any those skilled in the art
The modifications and variations done in the range of specification, all should fall in the range of the present invention is protected.
Claims (8)
1. a kind of integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain, the device of gypsum rain, it is characterised in that including：
Be laid in chimney internal cylinder outer wall surface integrated heat insulating block, be arranged on temperature sensor on the outer wall of the chimney internal cylinder,
Microcomputer controller and integrated heat insulating block power supply；Wherein
The temperature sensor is connected with the microcomputer controller, the microcomputer controller and the integrated heat insulating block power supply
It is connected, the integrated heat insulating block power supply is connected with the integrated heat insulating block；
The temperature sensor is used for the temperature for sensing the outer wall of the chimney internal cylinder, and the temperature sensed is transmitted to described micro-
Computer controller, the microcomputer controller according to default temperature range and the temperature sensor senses to temperature compare
Break-make relatively to control the integrated heat insulating block power supply；
The integrated heat insulating block includes asbestos, aluminium skin, electric-heating belt and heat preservation fireproofing material；Wherein：
The asbestos are laid on the outer wall of the chimney internal cylinder；
The aluminium skin is covered on the asbestos；
The electric-heating belt is attached on the aluminium skin with aluminium glue band, and the electric-heating belt includes the electric-heating belt of some series connection；
The heat preservation fireproofing material is laid on the electric-heating belt；
The asbestos, the aluminium skin, the electric-heating belt and the heat preservation fireproofing material are fixed on one by heat resistant pressure sensitive adhesive band
Rise.
2. integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain according to claim 1, the device of gypsum rain, its
It is characterised by, in addition to the seal cover board being arranged between chimney outer barrel and the chimney internal cylinder.
3. integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain according to claim 2, the device of gypsum rain, its
It is characterised by, in addition to the insulation material being laid on the inwall of the chimney outer barrel.
4. integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain according to claim 1, the device of gypsum rain, its
It is characterised by, the asbestos thickness is 10mm~15mm.
5. integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain according to claim 1, the device of gypsum rain, its
It is characterised by, the electric-heating belt is automatic temperature-control electric heating belt.
6. integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain according to claim 5, the device of gypsum rain, its
Be characterised by, the integrated heat insulating block be provided with it is multiple, multiple integrated heat insulating blocks in isosceles triangle arrange, parallel lay-up is in institute
State the outer wall surface of chimney internal cylinder.
7. integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain, gypsum rain according to any one of claim 1 to 6
Device, it is characterised in that the circumferencial direction of outer wall of the temperature sensor along the chimney internal cylinder is at least provided with four；
The microcomputer controller corresponding with the temperature sensor and the integrated heat insulating block power supply are along along the chimney
The circumferencial direction of the outer wall of cylinder sets identical quantity；
The integrated heat insulating block is connected with the integrated heat insulating block power supply away from its nearest neighbours.
8. integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain according to claim 7, the device of gypsum rain, its
Be characterised by, the vertical direction of outer wall of the temperature sensor along the chimney internal cylinder be provided with it is multiple, it is two neighboring between
At intervals of 10m~30m；
The microcomputer controller corresponding with the temperature sensor and the integrated heat insulating block power supply are along the chimney internal cylinder
Outer wall vertical direction be also equipped with it is multiple；
The integrated heat insulating block is connected with the integrated heat insulating block power supply away from its nearest neighbours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410368801.3A CN104121593B (en) | 2014-07-30 | 2014-07-30 | Integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain, the device of gypsum rain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410368801.3A CN104121593B (en) | 2014-07-30 | 2014-07-30 | Integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain, the device of gypsum rain |
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| CN104121593A CN104121593A (en) | 2014-10-29 |
| CN104121593B true CN104121593B (en) | 2017-08-08 |
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| CN201410368801.3A Active CN104121593B (en) | 2014-07-30 | 2014-07-30 | Integrated heat insulating block heating Wet chimney inner tube wall preventing and treating chimney rain, the device of gypsum rain |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2754842C1 (en) * | 2020-09-09 | 2021-09-08 | федеральное государственное бюджетное образовательное учреждение высшего образования "Самарский государственный технический университет" | Chimney pipe of apartment building |
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|---|---|---|---|---|
| CN102418933A (en) * | 2012-01-16 | 2012-04-18 | 常熹钰 | Corrosion-resistant chimney with cylinder wall heating device |
| CN102573142A (en) * | 2010-12-09 | 2012-07-11 | 沈阳市中色测温仪表材料研究所有限公司 | Anti-icing electric heating device for chimney mouth |
| CN203656463U (en) * | 2013-12-26 | 2014-06-18 | 芜湖融汇化工有限公司 | Fluid pipeline heat tracing system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2254428C1 (en) * | 2004-02-12 | 2005-06-20 | Государственное образовательное учреждение высшего профессионального образования Самарский государственный технический университет | Chimney operation method |
| ITMI20100453A1 (en) * | 2010-03-19 | 2011-09-20 | Poliedra S R L | FLUE. |
| CN202692094U (en) * | 2012-07-10 | 2013-01-23 | 大唐双鸭山热电有限公司 | Chimney capable of preventing smoke outlet from being frozen |
| CN203457336U (en) * | 2013-08-22 | 2014-02-26 | 深圳市固泰伟橡塑制品有限公司 | Composite electric heating board and anti-freezing device for chimney |
| CN204006052U (en) * | 2014-07-30 | 2014-12-10 | 上海迪夫格环境科技有限公司 | The device of the wet chimney internal cylinder wall control of integrated heat insulating block heating chimney rain, gypsum rain |
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2014
- 2014-07-30 CN CN201410368801.3A patent/CN104121593B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102573142A (en) * | 2010-12-09 | 2012-07-11 | 沈阳市中色测温仪表材料研究所有限公司 | Anti-icing electric heating device for chimney mouth |
| CN102418933A (en) * | 2012-01-16 | 2012-04-18 | 常熹钰 | Corrosion-resistant chimney with cylinder wall heating device |
| CN203656463U (en) * | 2013-12-26 | 2014-06-18 | 芜湖融汇化工有限公司 | Fluid pipeline heat tracing system |
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