CN209714695U - The device of wet plume is eliminated in a kind of Mist heat recovering collaboration - Google Patents
The device of wet plume is eliminated in a kind of Mist heat recovering collaboration Download PDFInfo
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- CN209714695U CN209714695U CN201821597946.0U CN201821597946U CN209714695U CN 209714695 U CN209714695 U CN 209714695U CN 201821597946 U CN201821597946 U CN 201821597946U CN 209714695 U CN209714695 U CN 209714695U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses the devices that wet plume is eliminated in a kind of collaboration of Mist heat recovering.The moisture content of neat stress is greatly lowered first with absorption plant for the device, steam is during being absorbed by liquid absorption since phase transformation discharges latent heat, so that the mass dryness fraction and temperature of neat stress are improved, it can achieve the effect that eliminate coloured plume, depth water lift, the dustiness for reducing neat stress simultaneously and recycle the low-quality latent heat of water vapour in neat stress；Then the absorbing liquid after absorbing vapor in absorption plant becomes weak solution, weak solution is sent in regenerating unit, become concentrated solution by the saturated vapor heat exchange regeneration generated with regenerating unit, it is transported in absorption plant again, the saturated vapor generated after the compression of the secondary steam at the top of regenerating unit is utilized in regenerative process, the saturated vapor of release latent heat becomes condensed water, reduces costs and energy consumption, has good social and economic effect.
Description
Technical field
The utility model belongs to environmental technology field, and in particular to the dress of wet plume is eliminated in a kind of Mist heat recovering collaboration
It sets.
Background technique
It is at present active response " Shanghai City coal-burning power plant gypsum rain and the test of coloured plume with China's expanding economy
Technical requirements (tentative) ", Zhejiang " Emission standards of air pollutants for coal-fired " (solicit meaning original text), Tianjin is " about further
Reinforce notice of the key industrys atmosphere pollution deep treatment such as city's thermoelectricity, steel in relation to work " and Tangshan, Zhang Jia
Mouthful, coloured plume specification is eliminated on the ground such as Handan.The technology path of various Mist heat recoverings is developed, common technology road
Line is to arrange flue gas condenser, spray column after desulfurizing tower or increase slurries cooler on serum recycle slurry pipe to make
Moisture is precipitated in the cooling of desulfurizing tower exiting flue gas, recycles neat stress of the MGGH system after former fume afterheat thermal dehydration.
Above-mentioned flue gas condensing or flue gas condensing regeneration techniques route, can not deep exploitation original flue gas sensible heat and neat stress
A large amount of latent heat of middle water vapour.Meanwhile it is latent need to take away flue gas condensing in order to be dehydrated flue gas cool-down with extraneous refrigerant for above-mentioned technology
Heat, later again with former obvious heat of smoke heating neat stress to promote degree of unsaturation and climbing ability, this mode causes pole to the energy
Big waste.Flue gas condensing discharges latent heat simultaneously, and takes away this part latent heat and need a large amount of cooling circulating water, which is mesh
Preceding every kind of technology path requires the problem of facing, especially for the area of regulation desulfurizing tower outlet smoke temperature and water capacity, no
But winter needs to condense or even summer is also required to flue gas condensing, and cooling tower is often oepration at full load when power plant's summer, can not
Effective cold source is provided, if newly-built cooling tower, needs to increase several ten million investments, while the moisture for evaporating cooling tower gains flue gas
In waste water, do not have water-saving result.If newly-built induced cooling tower, construction cost is high, unbearable to power plant.
Utility model content
Therefore, the technical problems to be solved in the utility model is that the technology path presence of existing Mist heat recovering can not be deep
Degree utilizes a large amount of latent heat of water vapour in the sensible heat and neat stress of former flue gas, while the energy and water resource waste, cost of investment are big,
It eliminates coloured plume and there was only the defect for investing not income, to propose a kind of wet plume of Mist heat recovering collaboration elimination
Device.
For this purpose, the technical solution that the application takes is,
The device of wet plume, dust-extraction unit, desulfurization including being sequentially communicated setting are eliminated in a kind of Mist heat recovering collaboration
Device and absorption plant further include,
Regenerating unit, including shell, be set to the upper part of the housing dilute solution inlet and steam (vapor) outlet, be set to it is described
The concentrated solution outlet of lower part of the housing is set to several solution channels and heat exchanger channels in the shell；
The dilute solution inlet, steam (vapor) outlet and concentrated solution outlet with the solution channel, the steam (vapor) outlet and institute
State heat exchanger channels connection, and the dilute solution inlet is connected to the lower part of the absorption plant, the concentrated solution export with it is described
The middle and upper part of absorption plant is connected to, so that the weak solution in the absorption plant enters the solution by the dilute solution inlet
Channel simultaneously exchanges heat with the heat transferring medium in the heat exchanger channels, finally enters to the absorption plant from concentrated solution outlet
It is interior.
It further, further include the first spray unit, in the inner close to the setting of the middle and upper part of the absorption plant, the first spray
Leaching unit, First Heat Exchanger, absorption plant lower part be sequentially communicated setting, the weak solution after heat exchange is passed through and described first is sprayed
Unit spray is drenched on the flue gas of rising；
Second spray unit, and the concentrated solution outlet, by concentrated solution with it is net in the desulfurizer
Flue gas reverse convection.
Further, further include the first pump, be set between first spray unit and the lower part of the absorption plant,
Weak solution is evacuated to first spray unit from the lower part of the absorption plant；
Third heat exchanger and the second pump, are set between the concentrated solution outlet and second spray unit, will change
Concentrated solution after heat is evacuated to second spray unit；
4th pump, is set between the lower part of the absorption plant and the dilute solution inlet.
Further, the 4th pump is connect with the third heat exchanger, by weak solution and concentrated solution in the third
Heat exchange in heat exchanger；
The compressor and saturator are set between the steam (vapor) outlet and the heat exchanger channels, to take out after steam cooling
In to the heat exchanger channels.
Further, further include steam inlet and condensate outlet, be relatively arranged in the housing sidewall, and and institute
Heat exchanger channels connection is stated, the steam inlet is connected to the steam (vapor) outlet, so that the steam from the steam (vapor) outlet is from institute
State steam inlet into the heat exchanger channels and with the weak solution indirect heat exchange in the solution channel, then steam is condensed into
Condensate liquid and from condensate outlet outlet；
Gas inlet is set to the lower part of the absorption plant；
Exhanst gas outlet is set to the top of the absorption plant.
Further, further include the second heat exchanger, be connected to the condensate outlet, to change again condensate liquid
Heat；
Demister is set between first spray unit and the exhanst gas outlet, and is located in the absorption plant.
Further, further include liquid uniform device, including several diversion pipes and along the diversion pipe length direction on it
Spaced several nozzles, the diversion pipe are set in the shell, and are located above the solution channel, the nozzle
Towards the solution channel, to spray weak solution into it.
Further, the top of the shell is tapered tip, and edge is described on from the housing bottom to the direction on top
The internal diameter of tapered tip gradually becomes smaller, and the steam (vapor) outlet is set to the vertex of a cone of the tapered tip；
The bottom end of the shell is tapered bottom end, and edge is on from the housing tip to the direction of bottom end, the tapered bottom end
Internal diameter gradually become smaller, concentrated solution outlet is set to the cone bottom of the tapered bottom end.
Further, if being spaced in arranged for interval main pipe in it on the direction perpendicular with the shell axial direction
Road, the inner cavity of the pipeline are the solution channel, and the gap of the adjacent pipeline enclosure is the heat exchanger channels.
Further, first spray unit and the second spray unit include that spray conduit and interval are arranged on
Spray nozzle, and first spray unit and the second spray unit are close to the exhanst gas outlet of the absorption plant and are located under it
Side.
Technical solutions of the utility model have the advantages that
1, the device of wet plume is eliminated in Mist heat recovering collaboration provided by the utility model, is come first with absorption plant
Be greatly lowered the moisture content of neat stress, steam during being absorbed by liquid absorption since phase transformation discharges latent heat so that neat stress
Mass dryness fraction and temperature be improved, can reach simultaneously and eliminate coloured plume, depth water lift, the dustiness and recycling for reducing neat stress
The effect of the low-quality latent heat of water vapour in neat stress；Then the absorbing liquid after absorbing vapor in absorption plant becomes dilute molten
Liquid, weak solution are sent in regenerating unit, and being regenerated by the saturated vapor heat exchange generated with regenerating unit becomes concentrated solution, then by
It is delivered in absorption plant, the saturated vapor generated after the compression of the secondary steam at the top of regenerating unit is utilized in regenerative process, releases
The saturated vapor for putting latent heat becomes condensed water, reduces costs and energy consumption.It avoids regeneration using power plant steam, can effectively reduce steaming
Vapour dosage；The sensible heat of former flue gas and the latent heat of neat stress water vapour are recycled and be utilized eventually by above-mentioned means depth, are avoided
The condensation of prior art flue gas cool-down needs a large amount of cold sources, and water resource is greatly saved.Moisture in neat stress has been recycled simultaneously, has been reduced
Systematic running cost is used, and solves coal-burning power plant or other industry eliminates coloured plume, depth water pumping system only puts into no income
The problem of, reach the environment protectings such as efficient energy-saving and emission-reducing, there is good social and economic effect.
2, the device of wet plume is eliminated in Mist heat recovering collaboration provided by the utility model, is arranged after desulfurizer
Absorption plant, it is thinning that concentrated solution absorbs moisture in flue gas in absorption plant, is precipitated in moisture phase transition process and discharges latent heat, heats
Flue gas and concentrated solution are back at the top of absorption plant after weak solution a part and hot net water heat exchange of absorption plant bottom, another
Road is sent at the top of regenerating unit, and the water absorbing capacity of unit mass concentrated solution can be changed by adjusting two-way flow-rate ratio.It is filled in regeneration
It sets and uniform liquid film is formed in film supplying tube by liquid uniform device, the saturated vapor heating evaporation generated by regenerating unit
So that weak solution is restored to the concentration of concentrated solution, become condensed water after regeneration steam release latent heat, the condensed water again with heat
The heat exchange of net water, the condensed water after cooling can be used for desulfurizer mist eliminator flushing water etc..
3, the device of wet plume is eliminated in Mist heat recovering collaboration provided by the utility model, can not only be shown former flue gas
Heat is for heating hot net water or low pressure condensation water, a large amount of latent heat of water vapour in acceptable recovered flue gas simultaneously, depth recovered flue gas
Waste heat can reduce flue gas moisture content simultaneously and improve flue-gas temperature, reach since flue-gas temperature raises simultaneously during recycling latent heat
Coloured plume is eliminated to recycling latent heat collaboration and reduces dust content effect.The device recycles saving by depth water lift
Water resource can reduce system operation pressure drop about one third compared with presently relevant technology, save fortune since system equipment is simple
Row expense has good environmental protection and energy saving effect.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the device that wet plume is eliminated in Mist heat recovering collaboration in the utility model embodiment；
Fig. 2 is the structural schematic diagram of absorption plant in the utility model embodiment；
Fig. 3 is the structural schematic diagram of regenerating unit in the utility model embodiment；
Wherein appended drawing reference indicates are as follows:
1- dust-extraction unit；2- desulfurizer；3- absorption plant；The first spray unit of 3-1-；The second spray unit of 3-2-；3-
3- demister；3-4- gas inlet；3-5- exhanst gas outlet；4- first is pumped；5- First Heat Exchanger；The second heat exchanger of 6-；7- third
Heat exchanger；8- second is pumped；9- compressor；10- saturator；11- regenerating unit；11-1- dilute solution inlet；11-2- concentrated solution goes out
Mouthful；11-3- condensate outlet；11-4- liquid uniform device；11-5- steam (vapor) outlet；12- the 4th is pumped；13- chimney.
Specific embodiment
The technical solution of the utility model is clearly and completely described below, it is clear that described embodiment is this
Utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the utility model protection
Range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment 1
A kind of device of the wet plume of Mist heat recovering collaboration elimination is present embodiments provided, as shown in Figure 1, including successively
It is connected to dust-extraction unit 1, desulfurizer 2 and the absorption plant 3 of setting, if dust-extraction unit 1 can be electric precipitator, desulfurizer 2 can
For desulfurizing tower, as shown in figure 3, further include regenerating unit 11, including shell, be set to upper part of the housing dilute solution inlet 11-1 and
Steam (vapor) outlet 11-5, the concentrated solution outlet 11-2 for being set to lower part of the housing, several solution channels in shell is set to and are exchanged heat logical
Road；In the present embodiment, absorption plant 3 includes shell and the first spray unit 3-1, the first spray unit 3-1 close to absorption dress
Set 3 middle and upper part setting in the inner, the first spray unit 3-1, the pump of First Heat Exchanger 5, first 4, the lower part of absorption plant 3 are successively
Connection setting, it is reverse right in carrying out on the flue gas of rising that the weak solution after exchanging heat is sprayed by the first spray unit 3-1
Stream；Second spray unit 3-2 is connected to concentrated solution outlet 11-2, by concentrated solution (may be, for example, dense saline solution) and carrys out autospasy
Neat stress reverse convection in sulphur device 2；Specifically, the first spray unit 3-1 and the second spray unit 3-2 includes that spray is led
The spray nozzle that pipe and interval are arranged on, and the first spray unit 3-1 and the second spray unit 3-2 are close to absorption plant 3
It exhanst gas outlet and is disposed below, in this way extension counter current contacting distance, it can heat effectively in recovered flue gas；
As shown in figure 3, dilute solution inlet 11-1, steam (vapor) outlet 11-5 and concentrated solution outlet 11-2 are and solution channel, steam
Vapor outlet 11-5 is connected to heat exchanger channels, and dilute solution inlet 11-1 is connected to the lower part of absorption plant 3, and concentrated solution exports 11-2
It is connected to the middle and upper part of absorption plant 3, so that the weak solution in absorption plant 3 enters solution channel by dilute solution inlet 11-1
And exchange heat with the heat transferring medium in heat exchanger channels, finally from concentrated solution outlet, 11-2 is entered in the absorption plant 3.
Specifically, gas inlet 3-4 is set to the lower part of absorption plant 3；Exhanst gas outlet 3-5 is set to absorption plant 3
Top；Solution channel is 20, and heat transfer effect can be effectively ensured in heat exchanger channels 19 in this way, is sufficiently recycled in former flue gas
Sensible heat.More specifically, the building of solution channel and heat exchanger channels can be by between on the direction perpendicular with shell axial direction
It is interposed between its interior several pipeline of arranged for interval, the inner cavity of pipeline is solution channel, and the gap of the adjacent pipeline enclosure is heat exchanger channels.
In above-mentioned apparatus, the moisture content of neat stress is greatly lowered first with absorption plant, steam is in absorbed liquid
Since phase transformation discharges latent heat in absorption process, so that the mass dryness fraction and temperature of neat stress are improved, it is coloured that elimination can be reached simultaneously
The effect of the low-quality latent heat of water vapour in plume, depth water lift, the dustiness for reducing neat stress and recycling neat stress；Then it is inhaling
In receiving apparatus absorb vapor after absorbing liquid become weak solution, weak solution is sent in regenerating unit, by with regenerating unit
The saturated vapor heat exchange regeneration of generation becomes concentrated solution, then is transported in absorption plant, and regenerating unit is utilized in regenerative process
The saturated vapor that generates after the secondary steam compression at top, the saturated vapor for discharging latent heat become condensed water, reduce costs and
Energy consumption.It avoids regeneration using power plant steam, can effectively reduce steam consumption；It recycles and is utilized eventually by above-mentioned means depth
The sensible heat of former flue gas and the latent heat of neat stress water vapour avoid the condensation of prior art flue gas cool-down from needing a large amount of cold sources, save significantly
About water resource.Moisture in neat stress has been recycled simultaneously, is reduced systematic running cost and is used, solves coal-burning power plant or other industry disappears
Except coloured plume, depth water pumping system is only put into does not have the problem of income, reaches the environment protectings such as efficient energy-saving and emission-reducing, is had very
Good social and economic effect.Finally, treated, and flue gas drains into atmosphere outside chimney 13.
Embodiment 2
The device for present embodiments providing a kind of wet plume of Mist heat recovering collaboration elimination, in the base of above-described embodiment 1
On plinth, in order to improve heat transfer effect, the sensible heat in former flue gas is sufficiently recycled, and waste liquid is sufficiently regenerated, further includes that liquid is uniformly distributed
Device 11-4, including several diversion pipes and spaced several nozzles, diversion pipe are set on it along diversion pipe length direction
In shell, and it is located above solution channel, nozzle is towards solution channel, and to spray weak solution into it, weak solution is subsequently flowed into
In solution channel, on its inner wall formed certain thickness liquid film and with steam wall-type heat exchange；Specifically, diversion pipe is by major flow
Pipe and several diversion pipes composition, major flow duct is connected to dilute solution inlet 11-1, branch diversion pipe it is vertical with major flow duct and with
It is connected to, and nozzle is arranged at intervals on branch diversion pipe, in this way, waste liquid enters in major flow duct from dilute solution inlet 11-1,
And again distributed waste liquid into branch diversion pipe by major flow duct, weak solution is sprayed to finally by the nozzle on branch diversion pipe
On solution channel, and liquid film is formed in its vias inner walls, with steam indirect heat exchange.
Embodiment 3
The device for present embodiments providing a kind of wet plume of Mist heat recovering collaboration elimination, in above-described embodiment 1 or 2
On the basis of, further include steam inlet and condensate outlet 11-3, be relatively arranged in housing sidewall, and connects with heat exchanger channels
Logical, steam inlet is connected to steam (vapor) outlet 11-5, is led to so that the steam from steam (vapor) outlet 11-5 enters heat exchange from steam inlet
In road and with the weak solution indirect heat exchange in solution channel, then steam is condensed into condensate liquid and from condensate outlet outlet；
For the ease of quickly collecting steam and absorbing liquid, as indicated at 3, the top of shell is tapered tip, along from shell bottom
On end to the direction on top, the internal diameter of tapered tip is gradually become smaller, and steam (vapor) outlet 11-5 is set to the vertex of a cone of tapered tip；Shell
Bottom end be tapered bottom end, along on from housing tip to the direction of bottom end, the internal diameter of tapered bottom end is gradually become smaller, concentrated solution outlet
11-2 is set to the cone bottom of tapered bottom end；In order to effectively remove the water mist in flue gas, further includes demister 3-3, be set to first
Between spray unit 3-1 and exhanst gas outlet 3-5, and it is located in absorption plant 3.
Embodiment 4
The device for present embodiments providing a kind of wet plume of Mist heat recovering collaboration elimination, in above-described embodiment 1,2 or 3
On the basis of, further include third heat exchanger 7 and second pump 8, be set to concentrated solution outlet 11-2 and the second spray unit 3-2 it
Between, the concentrated solution after heat exchange is evacuated to the second spray unit 3-2；4th pump 12, be set to the lower part of absorption plant 3 with it is dilute molten
Between liquid import 11-1；
4th pump 12 is connect with third heat exchanger 7, and weak solution and concentrated solution are exchanged heat in third heat exchanger 7；It is steaming
Compressor 9 and saturator 10 are set between vapor outlet 11-5 and heat exchanger channels, to be evacuated in heat exchanger channels after steam cooling；Specifically
Ground, saturator 10 are spray desuperheat supercharging device；Specifically, heat supply network water or low pressure condensation water are passed through in First Heat Exchanger 5, from
And it exchanges heat with weak solution.
Further, further include the second heat exchanger 6, be connected to 11-3 with condensate outlet, to change again condensate liquid
Heat, the heat supply network water backheat net return water after heat exchange, the low pressure condensation water after heat exchange return low adding system, recycle.
In addition, the working principle of above-mentioned apparatus is as follows: as shown in Figure 1, the desulfurizing tower in original system is not required to do any transformation,
It includes single column Two-way Cycle and double tower binary cycle system that the utility model, which is suitable for desulfurization Tower System,.It arranges and absorbs after desulfurizing tower
Device, flue gas enters from absorber bottom absorbs moisture in flue gas with the dense saline solution of absorption tower top spray adverse current, dense saline solution
It is thinning, it is precipitated in moisture phase transition process and discharges latent heat, heat flue gas and salting liquid to 55 DEG C -65 DEG C, so that neat stress water content
It substantially reduces, reaches depth water lift, dehydration rate is set according to local environmental requirement, and steam condensation draining can have simultaneously in flue gas
There is dustproof function.After water vapour becomes a large amount of latent heat of liquid phase release from gas phase, flue gas and solution temperature are increased, and can effectively promote cigarette
Temperature degree promotes flue gas climbing ability, eliminates the wet plume of chimney breast.Tower bottom weak solution is pumped by dilute salting liquid toward dilute concentrated solution
Enter regenerator overhead after heat exchanger heat exchange, weak solution passes through spray system in a regenerator and forms uniform liquid in film supplying tube
Film restores salting liquid to dense saline solution original content by shell-side steam heating evaporation, is pumped to dilute concentrated solution through concentrated solution
Heat exchanger (third heat exchanger 7) heat exchange and heat supply network heat exchanger, concentrated solution are cooled to 30 DEG C -50 DEG C and are back to absorber.It is secondary
Steam excludes to enter compressor compresses to 200-300 DEG C from regenerator overhead, and heating through compressor compresses, which becomes overheat, steams
Vapour becomes about 140 DEG C of temperature or so of saturated vapor by spraying desuperheat increase, which drives heat as regenerator
Source, regeneration steam release latent heat after become condensed water, the condensed water with again with hot net water exchange heat hot net water can be heated to
70 DEG C -80 DEG C, the condensed water after cooling can be used for desulfurizer mist eliminator flushing water etc..Regenerator overhead vapor (steam) temperature is about 100
It DEG C -120 DEG C, is determined by concentration of salt solution used and water absorption.
Determined according to duty requirements and hot water demand, weak solution concentration reduces 1%-8%, absorption plant bottom with respect to concentrated solution
After weak solution a part and hot net water heat exchange in portion, it is heated to 50-65 DEG C, is back at the top of absorption plant, another way is sent to
At the top of regenerating unit, the water absorbing capacity of unit mass concentrated solution can be changed by adjusting two-way flow-rate ratio.Lead in regenerating unit
It crosses liquid uniform device and forms uniform liquid film in film supplying tube, made by the saturated vapor heating evaporation that regenerating unit generates dilute
Solution restores to the concentration of concentrated solution, and regeneration steam release latent heat becomes condensed water later, which changes with hot net water again
Heat, the condensed water after cooling can be used for desulfurizer mist eliminator flushing water etc., and the flow of two-way carries heat again according to former flue gas
Raw ability and hot net water return water water temperature, which need to adjust, to be shunted, such as is followed in the weak solution of absorption plant bottom with what hot net water exchanged heat
The volume ratio of both circular rector and the internal circulating load being back at the top of regenerating unit is 1:1-10:1.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (10)
1. the device of wet plume is eliminated in a kind of Mist heat recovering collaboration, dust-extraction unit, desulfurization dress including being sequentially communicated setting
It sets and absorption plant, which is characterized in that further include,
Regenerating unit including shell, is set to the dilute solution inlet of the upper part of the housing and steam (vapor) outlet, is set to the shell
The concentrated solution outlet of lower part is set to several solution channels and heat exchanger channels in the shell；
With the solution channel, the steam (vapor) outlet changes with described for the dilute solution inlet, steam (vapor) outlet and concentrated solution outlet
Passage of heat connection, and the dilute solution inlet is connected to the lower part of the absorption plant, the concentrated solution outlet and the absorption
The middle and upper part of device is connected to, so that the weak solution in the absorption plant enters the solution channel by the dilute solution inlet
And exchange heat with the heat transferring medium in the heat exchanger channels, finally entered in the absorption plant from concentrated solution outlet.
2. the apparatus according to claim 1, which is characterized in that further include,
First spray unit, close to the absorption plant middle and upper part setting in the inner, the first spray unit, First Heat Exchanger,
The lower part of absorption plant is sequentially communicated setting, and the weak solution after exchanging heat is sprayed by first spray unit in rising
On flue gas；
Second spray unit, and the concentrated solution outlet, by concentrated solution and the neat stress in the desulfurizer
Reverse convection.
3. the apparatus of claim 2, which is characterized in that further include,
First pump, is set between first spray unit and the lower part of the absorption plant, by weak solution from the suction
The lower part of receiving apparatus is evacuated to first spray unit；
Third heat exchanger and the second pump, are set between the concentrated solution outlet and second spray unit, after exchanging heat
Concentrated solution be evacuated to second spray unit；
4th pump, is set between the lower part of the absorption plant and the dilute solution inlet.
4. device according to claim 3, which is characterized in that the 4th pump is connect with the third heat exchanger, will
Weak solution and concentrated solution exchange heat in the third heat exchanger；
Compressor and saturator are set between the steam (vapor) outlet and the heat exchanger channels, it is described to be compressed to after steam cooling
In heat exchanger channels.
5. the device according to any one of claim 2-4, which is characterized in that further include,
Steam inlet and condensate outlet are relatively arranged in the housing sidewall, and are connected to the heat exchanger channels, described
Steam inlet is connected to the steam (vapor) outlet so that the steam from the steam (vapor) outlet from the steam inlet enter described in change
In the passage of heat and with the weak solution indirect heat exchange in the solution channel, then steam is condensed into condensate liquid and from condensate outlet
Outlet；
Gas inlet is set to the lower part of the absorption plant；
Exhanst gas outlet is set to the top of the absorption plant.
6. device according to claim 5, which is characterized in that further include,
Second heat exchanger is connected to the condensate outlet, to exchange heat again to condensate liquid；
Demister is set between first spray unit and the exhanst gas outlet, and is located in the absorption plant.
7. device described in any one of -4 according to claim 1, which is characterized in that further include,
Liquid uniform device, including several diversion pipes and along the diversion pipe length direction spaced several nozzles on it,
The diversion pipe is set in the shell, and is located above the solution channel, the nozzle towards the solution channel, with
Weak solution is sprayed into it.
8. device described in any one of -4 according to claim 1, which is characterized in that the top of the shell is tapered tip,
Along on from the housing bottom to the direction on top, the internal diameter of the tapered tip is gradually become smaller, and the steam (vapor) outlet is set to
The vertex of a cone of the tapered tip；
The bottom end of the shell is tapered bottom end, along on from the housing tip to the direction of bottom end, the tapered bottom end it is interior
Diameter gradually becomes smaller, and the concentrated solution outlet is set to the cone bottom of the tapered bottom end.
9. device according to claim 8, which is characterized in that between on the direction perpendicular with the shell axial direction
It is interposed between its interior several pipeline of arranged for interval, the inner cavity of the pipeline is the solution channel, and the gap of the adjacent pipeline enclosure is
The heat exchanger channels.
10. the apparatus of claim 2, which is characterized in that first spray unit and the second spray unit wrap
It includes spray conduit and is spaced the spray nozzle being arranged on, and first spray unit and the second spray unit are close to the suction
It the exhanst gas outlet of receiving apparatus and is disposed below.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821597946.0U CN209714695U (en) | 2018-09-28 | 2018-09-28 | The device of wet plume is eliminated in a kind of Mist heat recovering collaboration |
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| CN201821597946.0U CN209714695U (en) | 2018-09-28 | 2018-09-28 | The device of wet plume is eliminated in a kind of Mist heat recovering collaboration |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109569211A (en) * | 2018-09-28 | 2019-04-05 | 中国华电科工集团有限公司 | The device of wet plume is eliminated in a kind of Mist heat recovering collaboration |
| CN111330420A (en) * | 2020-03-11 | 2020-06-26 | 山东大学 | Smoke whitening and water supplying system and control method thereof |
-
2018
- 2018-09-28 CN CN201821597946.0U patent/CN209714695U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109569211A (en) * | 2018-09-28 | 2019-04-05 | 中国华电科工集团有限公司 | The device of wet plume is eliminated in a kind of Mist heat recovering collaboration |
| CN109569211B (en) * | 2018-09-28 | 2024-05-07 | 中国华电科工集团有限公司 | Device for recovering flue gas waste heat and cooperatively eliminating dehumidification smoke plume |
| CN111330420A (en) * | 2020-03-11 | 2020-06-26 | 山东大学 | Smoke whitening and water supplying system and control method thereof |
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