CN207221668U - A kind of wet desulfurization system condenses the anti-gypsum rain integrated apparatus of demisting - Google Patents
A kind of wet desulfurization system condenses the anti-gypsum rain integrated apparatus of demisting Download PDFInfo
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- CN207221668U CN207221668U CN201721015030.5U CN201721015030U CN207221668U CN 207221668 U CN207221668 U CN 207221668U CN 201721015030 U CN201721015030 U CN 201721015030U CN 207221668 U CN207221668 U CN 207221668U
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- heat pipe
- heat
- pipe bundle
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- desulfurizing tower
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Abstract
The utility model discloses a kind of wet desulfurization system to condense the anti-gypsum rain integrated apparatus of demisting, including gas approach, A types heat pipe bundle, dirt waste water collection device, desulfurizing tower gas approach, desulfurizing tower, desulfurizing tower exhaust pass, Type B heat pipe bundle, condensed water outlet device, intermediate flue, scale removal nozzle and exhaust pass.Between gas approach and exhaust pass, its heat absorbing end is located in gas approach A type heat pipe bundles, and release end of heat is located in exhaust pass；Between desulfurizing tower exhaust pass and intermediate flue, its heat absorbing end is located in desulfurizing tower exhaust pass Type B heat pipe bundle, and release end of heat is located in intermediate flue.A types heat pipe bundle and Type B heat pipe bundle heat absorbing end top are provided with scale removal nozzle；The bottom of A type heat pipe bundles is provided with dirt waste water collection device；The bottom of Type B heat pipe bundle is provided with condensed water outlet device, is provided with agitating unit inside it.Tthe utility model system cost is low, and desulfuration efficiency is high, and good antiscale property, easy cleaning, effectively prevent the generation of gypsum rain.
Description
Technical field
Desulfurizing tower inlet and outlet flue gas heat pipe type heat exchange system is the utility model is related to, while is related to desulfurizing tower outlet condensation and removes
Mist system, and in particular to a kind of wet desulfurization system condenses the anti-gypsum rain integrated apparatus of demisting.
Background technology
With the fast development of China's industrialization and urbanization, resource consumption also fast lifting therewith is at the same time environmentally friendly
Pressure also increasingly increases.In recent years, the atmosphere pollution health of serious threat people and daily life, and boiler smoke
Gas is the main source of air environmental pollution.
With《Coal electricity energy-saving and emission-reduction upgrading and transformation plan》It is elevated Deng the appearance of serial regulation, the control of sulfur dioxide
To new height.At present, use Limestone-gypsum Wet Flue Gas Desulfurization Process technology during most of power plant desulfurizations, thus improve lime stone-
The efficiency of gypsum wet desulfurization technology has good Social benefit and economic benefit.
When using Limestone-gypsum Wet Flue Gas Desulfurization Process technology, gas-to-gas heat exchanger（Gas-gas Heater, abbreviation GGH）It is
One of capital equipment, but GGH costs of investment are big, and operating cost is high, is also easy to produce corrosion and blocking.Therefore, at present using lime stone-
During gypsum wet desulfurization, most of GGH has been cancelled, and desulfurization wet flue gas is discharged into air using in line mode.Since desulfurization is wet
Contain substantial amounts of vapor in flue gas, when chimney breast temperature is relatively low, " gypsum rain " problem of generation is given birth to the neighbouring common people
Work brings very big influence.
The content of the invention
The purpose of this utility model is to overcome the problems of background technology, so as to provide a kind of wet desulphurization
The anti-gypsum rain integrated apparatus of system condensing demisting.
To solve the above-mentioned problems, a kind of anti-gypsum rain of wet desulfurization system condensation demisting of the utility model is integrally disguised
Put, including gas approach, A types heat pipe bundle, dirt waste water collection device, desulfurizing tower gas approach, desulfurizing tower, desulfurizing tower outlet cigarette
Road, Type B heat pipe bundle, condensed water outlet device, intermediate flue, scale removal nozzle and exhaust pass.The A types heat pipe bundle is located at entrance
Between flue and exhaust pass, its heat absorbing end is located in gas approach, and release end of heat is located in exhaust pass；The Type B heat pipe
Beam is between desulfurizing tower exhaust pass and intermediate flue, its heat absorbing end is located in desulfurizing tower exhaust pass, during release end of heat is located at
Between in flue.
Further, the A types heat pipe bundle and Type B heat pipe bundle, form by more circular gravity assisted heat pipes；Described
Single heat pipe radius in A type heat pipe bundles is 50mm, and the single heat pipe radius in Type B heat pipe bundle is 40mm；Each column heat pipe bundle it
Between spacing be 0.3-0.8 times of caliber, be staggeredly arranged between pipe row.
Further, the material of the A types heat pipe bundle and Type B heat pipe bundle is industrially pure titanium.
Further, the heat absorbing end top of the A types heat pipe bundle and Type B heat pipe bundle is provided with scale removal nozzle.
Further, the floor installation of the A type heat pipe bundles has dirt waste water collection device.
Further, the floor installation of the Type B heat pipe bundle has condensed water outlet device, and it is single that stirring is provided with inside it
Member.
Further, the release end of heat of the A types heat pipe bundle and Type B heat pipe bundle is respectively arranged with fin, its heat absorbing end is smooth
Pipe.
The utility model is by using such scheme, and before flue gas enters tower, A type heat pipe bundle heat absorbing ends inhale flue gas
Heat, reduces flue-gas temperature, is conducive to improve desulfuration efficiency, reduces the water content of flue gas.Flue gas after desulfurization goes out in desulfurizing tower
Mouth flue absorbs heat by Type B heat pipe bundle, reduces temperature, so that the vapor in saturated flue gas is largely recycled, and through Type B heat pipe
The condensed water outlet device discharge condensation water that beam bottom is equipped with, being reduced from source may existing for gypsum rain.Then, water content
Low flue gas successively carries the release end of heat of fin by Type B heat pipe bundle and A types heat pipe bundle, and flue gas is heated twice, is improved
Flue-gas temperature, improves atmosphere hoist height, technically reduces the formation of gypsum rain.
The utility model replaces GGH using A types heat pipe bundle, both reduces cost, turn avoid the easy foulings of GGH so as to machine
The influence that group operation produces.Exchanged heat using Type B heat pipe bundle, remove a large amount of vapor that desulfurizing tower exiting flue gas carries.By
In gas inlet there are flying dust, exhanst gas outlet is there are water mist, therefore the heat absorbing end in heat pipe is not added with fin, with good antiscale property and corrosion,
And the release end of heat in heat pipe is evenly equipped with fin reinforcement heat exchange, be conducive to the lifting of flue-gas temperature.A types heat pipe bundles, Type B heat pipe bundle
Scale removal nozzle is arranged on top, easy to rinse dirt.
Brief description of the drawings
Fig. 1 is that a kind of wet desulfurization system of the utility model condenses the structural representation of the anti-gypsum rain integrated apparatus of demisting
Figure.
Description of reference numerals：1- gas approach；2-A type heat pipe bundles；3- dirt waste water collection devices；4- desulfurizing tower entrance cigarettes
Road；5- desulfurizing towers；6- desulfurizing tower exhaust pass；7-B type heat pipe bundles；8- condensed water outlet devices；9- intermediate flues；10- scale removal is sprayed
Mouth；11- exhaust pass.
Specific embodiment
In order to enable the technical solution of the utility model to be preferably understood, this reality is described in detail below in conjunction with attached drawing
With new performance.
Fig. 1 show a kind of wet desulfurization system condensation anti-gypsum rain integrated apparatus schematic diagram of demisting, including entrance cigarette
Road 1, A types heat pipe bundle 2, dirt waste water collection device 3, desulfurizing tower gas approach 4, desulfurizing tower 5, desulfurizing tower exhaust pass 6, Type B
Heat pipe bundle 7, condensed water outlet device 8, intermediate flue 9, scale removal nozzle 10 and exhaust pass 11；The A types heat pipe bundle 2 be located at into
Between mouth flue 1 and exhaust pass 11, its heat absorbing end is located in gas approach 1, and release end of heat is located in exhaust pass 11；Described
Between desulfurizing tower exhaust pass 6 and intermediate flue 9, its heat absorbing end is located in desulfurizing tower exhaust pass 6 Type B heat pipe bundle 7, puts
Hot junction is located in intermediate flue 9.
Involving great expense since most of heat exchanger such as GGH exists, operating cost is high, perishable, the problems such as easy fouling,
Therefore the utility model employs heat pipe.The operation principle of heat pipe is the common knowledge of this area, its principle is not retouched in detail
State, the phase transition process mainly condensed using medium in heat absorbing end evaporation, condensation end, makes heat quickly conduct, its resistance is small, connects
It is big to touch heat exchange area, there is preferable heat transfer effect.In the utility model, heat pipe uses circular gravity assisted heat pipe, more heat pipe heats
Into heat pipe bundle.Wherein, the single heat pipe radius in A types heat pipe bundle 2 is 50mm, and the single heat pipe radius in Type B heat pipe bundle 7 is
40mm；Spacing between each column heat pipe bundle is 0.3-0.8 times of caliber, is staggeredly arranged between pipe row, prevents that flue gas is short-circuit, so as to be lifted
Heat transfer effect.
In the utility model, the material of heat pipe is industrially pure titanium, can be with good antiscale property, anticorrosion.
In the utility model, boiler tail flue gas is via gas approach 1, A types heat pipe bundle 2, desulfurizing tower 5, Type B heat pipe bundle 7
Afterwards, flue gas is purified processing, therefore the release end of heat of A types heat pipe bundle 2 and Type B heat pipe bundle 7 is equipped with substantial amounts of fin, so as to improve
Heat exchange efficiency, lifts flue-gas temperature；In the heat absorbing end of A types heat pipe bundle 2 and Type B heat pipe bundle 7 since there are more flying dust and water steaming
The impurity such as gas, be easy to cause heat pipe wall and block and corrode, therefore the heat absorbing end of A types heat pipe bundle 2 and Type B heat pipe bundle 7 does not install wing
Piece, using smooth tube.
In the utility model, condensed water outlet device 8 is installed on the bottom of Type B heat pipe bundle 7, since temperature is relatively low herein,
SO2Below dew-point temperature, therefore condensation water has higher corrosivity, selects industrially pure titanium herein, also can basis
GB2100-80 selects suitable stainless acid resistant steel.It can be adsorbed when water vapor condensation on the impurity such as dust, Hg, Mg, it is last miscellaneous
Matter is fallen on the bottom plate of Type B heat pipe bundle 7, and is come together in condensed water outlet device 8, is excluded automatically by condensed water outlet device 8.
In the utility model, the heat absorbing end top of A types heat pipe bundle 2 and Type B heat pipe bundle 7 is equipped with scale removal nozzle 10, by controlling
Unit controls, and when fouling and clogging is serious, opens nozzle scale removal 10；Dirt waste water collection device is equipped with 2 bottom of A types heat pipe bundle
3。
In the utility model, thermal insulation material is equipped with outside system flue, reduces thermal loss.
A types heat pipe bundle 2, the release end of heat operation principle of Type B heat pipe bundle 7 and effect are as follows：When boiler tail flue gas is by entrance
Flue 1, A types heat pipe bundle 2, desulfurizing tower gas approach 4 enter desulfurizing tower 5, after the purified treatments such as desulfurization, desulfurizing tower outlet cigarette
Flue gas in road 6 flows into intermediate flue 9, and first time heating is carried out to the release end of heat of Type B heat pipe bundle 7；Then, by once heating
Flue gas carry out second when flowing through the release end of heat of A types heat pipe bundle 2 and heat.Due to the heat release of A types heat pipe bundle 2 and Type B heat pipe bundle 7
End is respectively arranged with fin, and heat pipe heat exchanging performance is good, by heating twice, flue-gas temperature can be lifted 15-25 DEG C.At this time, flue gas
The density of density ratio air is low, therefore the buoyancy lift increase of flue gas, flue gas have the trend of rising.Flue-gas temperature is higher, flue gas with
The density contrast of air is bigger, and flue gas buoyancy lift is also bigger, so as to improve the rising height of flue gas, technically reduces stone
The formation of cream rain.
The operation principle and effect of 2 heat absorbing end of A types heat pipe bundle are as follows：When boiler tail flue gas enter gas approach 1 in, A
The heat absorbing end of type heat pipe bundle 2 is carried out after fully exchanging heat with tail flue gas, and flue gas realizes desulfurization into desulfurizing tower 5.With Wanzhou prefecture of Chongqing
Exemplified by certain power plant, when the flue-gas temperature of desulfurizing tower gas approach 4 is 85 DEG C, the exiting flue gas of desulfurizing tower exhaust pass 6 is aqueous
Amount reaches 339000Nm3/ h, SO2Content is 50Nm3/h；When the flue gas of desulfurizing tower gas approach 4 is reduced to 60 DEG C, desulfurizing tower outlet
The flue gas water content of flue 6 reaches 289420Nm3/ h, SO2Content is 41Nm3/h.Therefore, flue gas is reduced when exchanging heat by heat pipe bundle
During temperature, exiting flue gas water content can be not only reduced, desulfuration efficiency can also be improved.
The operation principle and effect of 7 heat absorbing end of Type B heat pipe bundle are as follows：When the flue gas purified by desulfurizing tower 5 is by desulfurizing tower
When exhaust pass 6 enters intermediate flue 9, the heat absorbing end of Type B heat pipe bundle 7 fully exchanges heat with neat stress.By taking above-mentioned power plant as an example, when
When the flue-gas temperature of desulfurizing tower exhaust pass 6 is 50 DEG C, its exhaust gas volumn is 3234980Nm3/h；When desulfurizing tower exhaust pass 6
After heat absorbing end heat exchange of the flue gas by Type B heat pipe bundle 7, the flue-gas temperature in intermediate flue 9 often reduces by one degree Celsius, in theory often
Hour condensable goes out 1.92 tons of water.This condensed water can enter recycling in desulfurizing tower 5 after treatment, to reach water-saving effect
Fruit.
In conclusion the utility model due to using gravity assisted heat pipe beam twice, in the case where exterior energy consumption is not required, reaches
To it is efficient, water-saving, eliminate gypsum rain this effect.
Above description and the cardinal principle for explaining the utility model, essential characteristic and its advantage, it is impossible to which this is limited with this
The scope that utility model is implemented.The principle and feature of simply the utility model described in description above, are not departing from this reality
On the premise of new spirit and scope, the utility model also has many change and improvement, these are all in protection domain.
Claims (5)
1. a kind of wet desulfurization system condenses the anti-gypsum rain integrated apparatus of demisting, including gas approach, A types heat pipe bundle, dirt
Waste water collection device, desulfurizing tower gas approach, desulfurizing tower, desulfurizing tower exhaust pass, Type B heat pipe bundle, condensed water outlet device, centre
Flue, scale removal nozzle and exhaust pass；The A type heat pipe bundles are between gas approach and exhaust pass, its heat absorbing end position
In gas approach, release end of heat is located at exhaust pass；The Type B heat pipe bundle be located at desulfurizing tower exhaust pass and intermediate flue it
Between, its heat absorbing end is located at desulfurizing tower exhaust pass, and release end of heat is located at intermediate flue.
2. a kind of wet desulfurization system condensation anti-gypsum rain integrated apparatus of demisting according to claim 1, its feature exist
In：The release end of heat of A types heat pipe bundle and Type B heat pipe bundle is respectively arranged with fin, its heat absorbing end is smooth tube.
3. a kind of wet desulfurization system condensation anti-gypsum rain integrated apparatus of demisting according to claim 1, its feature exist
In：The top of A types heat pipe bundle and Type B heat pipe bundle heat absorbing end is provided with scale removal nozzle.
4. a kind of wet desulfurization system condensation anti-gypsum rain integrated apparatus of demisting according to claim 1, its feature exist
In：The bottom of A type heat pipe bundles is provided with dirt waste water collection device.
5. a kind of wet desulfurization system condensation anti-gypsum rain integrated apparatus of demisting according to claim 1, its feature exist
In：The bottom of Type B heat pipe bundle is provided with condensed water outlet device, is provided with agitating unit inside it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721015030.5U CN207221668U (en) | 2017-08-15 | 2017-08-15 | A kind of wet desulfurization system condenses the anti-gypsum rain integrated apparatus of demisting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721015030.5U CN207221668U (en) | 2017-08-15 | 2017-08-15 | A kind of wet desulfurization system condenses the anti-gypsum rain integrated apparatus of demisting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207221668U true CN207221668U (en) | 2018-04-13 |
Family
ID=61857979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721015030.5U Expired - Fee Related CN207221668U (en) | 2017-08-15 | 2017-08-15 | A kind of wet desulfurization system condenses the anti-gypsum rain integrated apparatus of demisting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207221668U (en) |
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2017
- 2017-08-15 CN CN201721015030.5U patent/CN207221668U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 Termination date: 20190815 |