CN109925860A - A kind of desulfurization fume receipts water dedusting demister - Google Patents
A kind of desulfurization fume receipts water dedusting demister Download PDFInfo
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- CN109925860A CN109925860A CN201711375169.5A CN201711375169A CN109925860A CN 109925860 A CN109925860 A CN 109925860A CN 201711375169 A CN201711375169 A CN 201711375169A CN 109925860 A CN109925860 A CN 109925860A
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- dedusting demister
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Abstract
The present invention provides a kind of desulfurization fume receipts water dedusting demister, comprising: at least one condensing heat exchanger, condensing heat exchanger are located on the upside of the spraying layer in desulfurizing tower, condense for cooling down to desulfurization fume；Water collector, water collector is between condensing heat exchanger and spraying layer, for collecting the water and fine particulates of condensing heat exchanger condensation；At least one acoustic agglomeration device, acoustic agglomeration device is arranged in desulfurizing tower and is located on the upside of condensing heat exchanger, for assemble the drop and fine particulates that cool down in condensed desulfurization fume by condensing heat exchanger；At least one dedusting demister, dedusting demister is located at the upside in desulfurizing tower and being located at acoustic agglomeration device, for removing drop and fine particulates after assembling.Desulfurization fume according to the present invention receives water dedusting demister, can remove the fine particle in flue gas to water in desulfurization fume and heat recovery, avoid condensing heat exchanger and dedusting demister fouling blockage, reduce energy consumption.
Description
Technical field
The present invention relates to technical field of energy saving and environmental protection, in particular to a kind of desulfurization fume receives water dedusting demister.
Background technique
In recent years, the raising with country to environmental requirement has more strict requirements to the disposal of pollutants in production, and
Atmosphere pollution is the most important thing, for example, the flue gas that burning of coal generates in factory, flue gas need ability after desulfurization and dust removal process
It discharges, although pollutant meets the requirements in the flue gas after desulfurization and dust removal process, but still pollutes the environment, in sternness
Need to continuously improve the fume treatment technology in industrial production also in face of environment to meet stringenter flue gas emission requirement.
Limestone-gypsum Wet Flue Gas Desulfurization Process technology is the mainstream technology of China's flue gas desulfurization, and the flue gas after desulfurization is in saturation
State or close to saturation state, a large amount of vapor arranges Xiang great Qi with flue gas, causes the waste of water resource.On the other hand, though
Demister is installed in right desulfurizing tower, but the demisting efficiency of Conventional plate-type demister is limited, some droplets, gypsum and heavy metal
Equal fine particulates can not be removed effectively, these fine particulates are discharged into atmosphere, and certain damage can be caused to environment.Existing skill
There is the device for researching and proposing a kind of wet process of FGD cooperation-removal fine particle in art, the device is by making flue gas using sound wave
In droplet and fine particulates aggregation, the effect of efficient demisting is realized, although this method is improved using acoustic agglomeration technology
Demisting efficiency, but its demister is traditional board-like demister, drop and gypsum particle is carried in flue gas, easily in demister
Fouling causes demister to block, and will lead to demister collapsing when serious, is not recycled to the moisture in flue gas, not
Solve the problems, such as that desulfurization water consume is high.
Summary of the invention
In view of this, the present invention provides a kind of desulfurization fume receipts water dedusting demister.
In order to solve the above technical problems, the invention adopts the following technical scheme:
Desulfurization fume according to an embodiment of the present invention receives water dedusting demister, comprising:
At least one condensing heat exchanger, the condensing heat exchanger are located on the upside of the spraying layer in the desulfurizing tower, for pair
The desulfurization fume cooling condensation；
Water collector, the water collector is between the condensing heat exchanger and the spraying layer, for collecting the condensation
The water and fine particulates of heat exchanger condensation；
At least one acoustic agglomeration device, the acoustic agglomeration device are arranged in the desulfurizing tower and are located at the condensation
On the upside of heat exchanger, cool down drop in the condensed desulfurization fume and subtle for assemble the process condensing heat exchanger
Grain object；
At least one dedusting demister, the dedusting demister, which is located in the desulfurizing tower and is located at the acoustic agglomeration, to be filled
The upside set, for removing the drop and fine particulates after assembling.
Further, the condensing heat exchanger includes multiple horizontally disposed and interconnected U-shaped condensing heat-exchanging pipe, described
Condensing heat exchanger both ends are respectively equipped with the inlet and outlet being connected to the condensing heat-exchanging pipe for described in condensate liquid disengaging
Condensing heat-exchanging pipe.
Further, the dedusting demister includes multiple horizontally disposed and interconnected U-shaped dedusting demisting pipe, described
Dedusting demister both ends are respectively equipped with the inlet and outlet being connected to the dedusting demisting pipe for described in condensate liquid disengaging
Dedusting demisting pipe.
Further, the condensing heat-exchanging pipe and the dedusting demisting pipe are respectively fluoroplastics product.
Further, the acoustic agglomeration device includes sound wave controlled system, and the sound wave controlled system can adjust sound
The frequency and sound pressure level of wave, the frequency of the sound wave are 500Hz-1500Hz, the sound pressure level >=160dB.
Further, the desulfurization fume receives water dedusting demister further include:
Catchment dust-precipitator, and the dust-precipitator that catchments is installed in the desulfurizing tower and is located at the acoustic agglomeration device and institute
It states between dedusting demister for collecting the drop and fine particulates of the dedusting demister abjection.
Further, the desulfurization fume receives water dedusting demister further include:
Water treatment system, the water treatment system is connected to the water collector and the dust-precipitator that catchments respectively, for storing up
Deposit and handle the drop of the water that the water collector is collected and the dust-precipitator collection of catchmenting.
Further, the water treatment system is connected to so that by the water treatment system, treated with doctor solution storage device
Water returns to the doctor solution storage device.
Further, the condensing heat exchanger and the water collector are located at the top of the desulfurizing tower.
Further, the condensing heat exchanger is connected with heat utilization equipment respectively with the dedusting demister.
The advantageous effects of the above technical solutions of the present invention are as follows:
Desulfurization fume according to an embodiment of the present invention receives water dedusting demister, can be realized to moisture in desulfurization fume and
The recycling of waste heat effectively removes the fine particle in flue gas, avoids condensing heat exchanger and dedusting demister fouling blockage
The problem of, energy consumption is reduced, waste heat recycling, water-saving and minimum discharge integrated demand in production are met.
Detailed description of the invention
Fig. 1 is that the desulfurization fume of the embodiment of the present invention receives the connection schematic diagram of water dedusting demister.
Appended drawing reference:
Desulfurization fume receives water dedusting demister 100；
Condensing heat exchanger 10；
Water collector 20；
Acoustic agglomeration device 30；
Dedusting demister 40；
Catchment dust-precipitator 50；
Water treatment system 60；
Spraying layer 70；
Desulfurizing tower 80.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill
Personnel's every other embodiment obtained, shall fall within the protection scope of the present invention.
Desulfurization fume according to an embodiment of the present invention is specifically described with reference to the accompanying drawing receives water dedusting demister 100.
As shown in Figure 1, it includes that at least one is cold that desulfurization fume according to an embodiment of the present invention, which receives water dedusting demister 100,
Solidifying heat exchanger 10, water collector 20, at least one acoustic agglomeration device 30 and at least one dedusting demister 40.
Specifically, condensing heat exchanger 10 is located at 70 upside of spraying layer in desulfurizing tower 80, for cooling down to desulfurization fume
Condensation；Water collector 20 is between condensing heat exchanger 10 and spraying layer 70, for collecting the water of the condensation of condensing heat exchanger 10 and thin
Microparticle object；Acoustic agglomeration device 30 is arranged in desulfurizing tower 80 and is located at 10 upside of condensing heat exchanger, for assembling through being subcooled
Solidifying heat exchanger 10 cools down drop and fine particulates in condensed desulfurization fume；Dedusting demister 40 is located in desulfurizing tower 80
And it is located at the upside of acoustic agglomeration device 30, for removing drop and fine particulates after assembling.
That is, desulfurization fume receives water dedusting demister 100 mainly by least one condensing heat exchanger 10, water collector
20, at least one acoustic agglomeration device 30, at least one dedusting demister 40 are constituted, wherein condensing heat exchanger 10 can be set
The top of spraying layer 70 in desulfurizing tower 80, the quantity of condensing heat exchanger 10 can according to need selection, condensing heat exchanger 10
Middle heat exchanger tube for dividing wall type heat exchanger or can fluidly connect indirect type heat exchanger, concrete type can root with counter-flow arrangement
According to needing to reasonably select, heat exchange needs should be met.
Spraying layer 70 in desulfurizing tower 80 can be doctor solution, and desulfurization fume rises in desulfurizing tower 80 after desulfurization, works as warp
When crossing condensing heat exchanger 10, condensing heat exchanger 10 cools down to desulfurization fume, so that water vapour condenses, recycles in desulfurization fume
Moisture and waste heat, the moisture of recycling utilizes after can handling again, can be used as doctor solution water, and the waste heat of recycling can be with
The waste heat of recycling is re-used, for example may be used as heats process water, can be heated, energy saving and water consume, meanwhile, it is cold
When solidifying heat exchanger 10 carries out cooling condensation to desulfurization fume again, the fine particulates in desulfurization fume also can be in the effect of condensed water
Under be removed a part, fine particulates are blended in condensed water.Water collector 20 can be set in condensing heat exchanger 10 and spray
Between layer 70, for collecting the water and fine particulates of the condensation of condensing heat exchanger 10, when desulfurization fume rising encounters condensing heat-exchange
Meeting condensation of water when device 10, water collector 20 can collect condensed water, after the condensed water of collection can be directly or through dust removal by filtration
It re-uses, saves water consume, avoid pollution.
Acoustic agglomeration device 30 can be installed in desulfurizing tower 80, acoustic agglomeration device 30 can be set in condensing heat exchanger
10 top, the quantity of acoustic agglomeration device 30 can according to need reasonable selection, can be two or three, can from down toward
On be sequentially arranged at the top of condensing heat exchanger 10, cool down in condensed desulfurization fume for assembling by condensing heat exchanger 10
Drop and fine particulates, since there are also drops and thin in desulfurization fume after the preliminary dust removal demisting of condensing heat exchanger 10
Microparticle object needs to be further processed, and acoustic agglomeration device 30 can produce the sound wave of different frequency, and sound wave can reunite desulfurization
Drop and fine particulates in flue gas, so that drop and fine particulates are easy to remove after reuniting.In desulfurizing tower 80 and position
Dedusting demister 40 can be set in the upside of acoustic agglomeration device 30, the quantity of dedusting demister 40 can according to need rationally
Selection, to after reunion drop and fine particulates be purged, further decrease the moisture and fine particle in desulfurization fume
Object reduces water consume, pollution is reduced, so that desulfurization fume reaches emission request.
Desulfurization fume according to an embodiment of the present invention receives water dedusting demister 100 as a result, can be realized to desulfurization fume
The recycling of middle moisture and waste heat effectively removes the fine particle in desulfurization fume, reduces energy consumption, reduce pollution, meets
Waste heat recycling, water-saving and minimum discharge integrated demand in production.
According to some embodiments of the present invention, condensing heat exchanger 10 may include multiple horizontally disposed and interconnected U
Type condensing heat-exchanging pipe, convenient for being cooled down by condensate liquid to desulfurization fume, waste heat recycles and moisture recycling, condensing heat-exchanging pipe
Quantity, size and material can according to need reasonable selection, condensing heat-exchanging pipe can use fluoroplastics material, condensing heat exchanger
10 both ends can be respectively equipped with the inlet and outlet being connected with condensing heat-exchanging pipe, pass in and out condensing heat-exchange for condensate liquid
Pipe exchanges heat, and the model and heat exchange area of condensing heat exchanger 10 can be reasonably selected according to needs of production, to meet
Heat exchange demand.
Other embodiments according to the present invention, dedusting demister 40 may include multiple horizontally disposed and interconnected
U-shaped dedusting demisting pipe, quantity, size and the material of dedusting demisting pipe can according to need reasonable selection, and dedusting demisting pipe can be with
Using alloy materials such as aluminium alloy, titanium alloys, it is also possible to the fluorine Material texture such as polytetrafluoroethylene (PTFE), so that dedusting demisting pipe corrosion resistant
Erosion, it is easy to clean, it can be respectively equipped with the inlet and outlet being connected to dedusting demisting pipe at the both ends of dedusting demister 40, use
Dedusting demisting pipe is passed in and out in condensate liquid, condensate liquid will be passed through in the dedusting demisting pipe of dedusting demister 40, it can be to desulfurization fume
Further dedusting demisting, cooling condensation.
In some embodiments of the invention, condensing heat-exchanging pipe and dedusting demisting pipe can be respectively fluoroplastics system
Part, condensing heat-exchanging pipe and dedusting demisting pipe can be integrally formed respectively, have resistant to chemical etching, high-low temperature resistant, waterproof, it is not viscous,
The performances such as low-friction coefficient, good self-lubrication, achieve the purpose that flushing-free, avoid the problem that fouling blockage.
In other specific embodiments of the invention, acoustic agglomeration device 30 may include sound wave controlled system, sound wave
Control system can adjust the frequency and sound pressure level of sound wave as needed so that in sound wave preferably reunion desulfurization fume drop and
Fine particulates, the frequency of sound wave can choose as 500Hz-1500Hz, and sound pressure level can choose >=160dB, in this frequency
It is preferable with agglomerating effect within the scope of sound pressure level, certainly, it also can according to need in specific practical application and rationally adjust sound wave
The range and sound pressure level of frequency.
According to some embodiments of the present invention, it can also include catchmenting to gather dust that desulfurization fume, which receives water dedusting demister 100,
Device 50, the dust-precipitator 50 that catchments can be installed in desulfurizing tower 80 and between acoustic agglomeration device 30 and dedusting demister 40,
The dust-precipitator 50 that catchments can be used for the drop and fine particulates of the abjection of collecting dust-removing demister 40, drop in desulfurization fume and
Fine particulates are after the reunion of acoustic agglomeration device 30, the drop processed for going, being condensed out when by dedusting demister 40
It mixes the dust-precipitator 50 that catchmented with the fine particulates of removing to collect, the water that the dust-precipitator 50 that catchments is collected can be by net
Change processing cycle to utilize.The water of recycling can return to desulphurization system after treatment, and last desulfurization fume can be by desulfurizing tower
Outside 80 outlet discharge tower, the recycling to moisture in flue gas after desulfurization and waste heat can be realized in this way, and can realize to micro-
The cooperation-removal of fine particle reduces pollution, to meet the factories such as power plant to waste heat recycling, water-saving and minimum discharge one
Change demand.
Other embodiments according to the present invention, it can also include water process that desulfurization fume, which receives water dedusting demister 100,
System 60, water treatment system 60 can be connected together with water collector 20 and the dust-precipitator 50 that catchments respectively, for storing and handling
The condensed water of the drop of water and the collection of dust-precipitator 50 of catchmenting that water collector 20 is collected, water collector 20 and the collection of dust-precipitator 50 of catchmenting can
To be transferred in water treatment system 60, the processing such as water treatment system 60 is filtered condensed water, sterilizes, so that at condensation Water warfare
Meet the requirement recycled after reason.
In the specific implementation process of some embodiments of the invention, water treatment system 60 can connect with doctor solution storage device
Logical, by water treatment system 60, treated that condensed water returns in doctor solution storage device re-uses, and saves water consume, and avoid
Water pollution.
According to some embodiments of the present invention, condensing heat exchanger 10 and water collector 20 may be mounted at the top of desulfurizing tower 80
Portion, so that cooling down using condensing heat exchanger 10 and condensing, be conducive to after desulfurization fume first passes through natural condensation in uphill process
Save the energy consumption of condensing heat exchanger 10.
In some embodiments of the invention, condensing heat exchanger 10 and dedusting demister 40 can respectively with heat utilization
Equipment is connected, and heat utilization equipment can be preheater, can for heater or radiator etc., can by condensing heat exchanger 10 with
The waste heat that dedusting demister 40 recycles further utilizes, and improves the utilization rate of heat, energy saving.
Desulfurization fume according to an embodiment of the present invention receives water dedusting demister 100, can be realized to water in desulfurization fume
Divide and the recycling of waste heat, effective fine particle removed in desulfurization fume avoid condensing heat exchanger 10 and dedusting demisting
The problem of 40 fouling blockage of device, reduces energy consumption, reduces pollution, meets waste heat recycling, water-saving and minimum discharge one in production
Change demand.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of desulfurization fume receives water dedusting demister characterized by comprising
At least one condensing heat exchanger, the condensing heat exchanger are located on the upside of the spraying layer in the desulfurizing tower, for described
Desulfurization fume cooling condensation；
Water collector, the water collector is between the condensing heat exchanger and the spraying layer, for collecting the condensing heat-exchange
The water and fine particulates of device condensation；
At least one acoustic agglomeration device, the acoustic agglomeration device are arranged in the desulfurizing tower and are located at the condensing heat-exchange
On the upside of device, the drop and fine particle that cool down in the condensed desulfurization fume for assemble the process condensing heat exchanger
Object；
At least one dedusting demister, the dedusting demister are located in the desulfurizing tower and are located at the acoustic agglomeration device
Upside, for removing the drop and fine particulates after assembling.
2. desulfurization fume according to claim 1 receives water dedusting demister, which is characterized in that the condensing heat exchanger packet
Multiple horizontally disposed and interconnected U-shaped condensing heat-exchanging pipe is included, the condensing heat exchanger both ends are respectively equipped with and the condensation
The inlet and outlet of heat exchanger tube connection pass in and out the condensing heat-exchanging pipe for condensate liquid.
3. desulfurization fume according to claim 2 receives water dedusting demister, which is characterized in that the dedusting demister packet
Multiple horizontally disposed and interconnected U-shaped dedusting demisting pipe is included, dedusting demister both ends are respectively equipped with and the dedusting
The inlet and outlet of demisting pipe connection pass in and out the dedusting demisting pipe for condensate liquid.
4. desulfurization fume according to claim 3 receives water dedusting demister, which is characterized in that the condensing heat-exchanging pipe and
The dedusting demisting pipe is respectively fluoroplastics product.
5. desulfurization fume according to claim 1 receives water dedusting demister, which is characterized in that the acoustic agglomeration device
Including sound wave controlled system, the sound wave controlled system can adjust the frequency and sound pressure level of sound wave, and the frequency of the sound wave is
500Hz-1500Hz, the sound pressure level >=160dB.
6. desulfurization fume according to claim 1 receives water dedusting demister, which is characterized in that further include:
Catchment dust-precipitator, and the dust-precipitator that catchments is installed in the desulfurizing tower and is located at the acoustic agglomeration device and described removes
For collecting the drop and fine particulates of the dedusting demister abjection between dirt demister.
7. desulfurization fume according to claim 6 receives water dedusting demister, which is characterized in that further include:
Water treatment system, the water treatment system are connected to the water collector and the dust-precipitator that catchments respectively, for store and
Handle the drop of the water that the water collector is collected and the dust-precipitator collection of catchmenting.
8. desulfurization fume according to claim 7 receives water dedusting demister, which is characterized in that the water treatment system with
The connection of doctor solution storage device is to return to the doctor solution storage device for the water treatment system treated water.
9. desulfurization fume according to claim 1 receives water dedusting demister, which is characterized in that the condensing heat exchanger and
The water collector is located at the top of the desulfurizing tower.
10. desulfurization fume according to claim 1 receives water dedusting demister, which is characterized in that the condensing heat exchanger
It is connected respectively with heat utilization equipment with the dedusting demister.
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| CN110433600A (en) * | 2019-09-06 | 2019-11-12 | 东方电气集团东方锅炉股份有限公司 | A kind of apparatus and system taking off the ultra-fine flue dust removing of white collaboration for flue gas |
| CN110433635A (en) * | 2019-07-05 | 2019-11-12 | 浙江天蓝环保技术股份有限公司 | A kind of high-efficiency desulfurization eliminating white smoke device and technique |
| CN111167293A (en) * | 2020-01-07 | 2020-05-19 | 无锡市华星电力环保修造有限公司 | Method and equipment for FWGD cooperative fine particulate matter and SO3 removal |
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Application publication date: 20190625 |