CN208115492U - A kind of nozzle-type barn desulfurizer and system - Google Patents
A kind of nozzle-type barn desulfurizer and system Download PDFInfo
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- CN208115492U CN208115492U CN201721192557.5U CN201721192557U CN208115492U CN 208115492 U CN208115492 U CN 208115492U CN 201721192557 U CN201721192557 U CN 201721192557U CN 208115492 U CN208115492 U CN 208115492U
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Abstract
The utility model discloses a kind of nozzle-type barn desulfurizer and systems, belong to barn technical field of desulfurization.Device includes that barn chimney outlet is arranged in for spraying into the air atomizer spray nozzle of desulfurization spray liquid into chimney；Air atomizer spray nozzle includes ontology, the upper end of ontology is spin button, lower end is jet expansion, the middle part side of air atomizer spray nozzle connects gas path pipe, the other side connects fluid path pipeline, and body interior has a cavity, and screw rod is inserted into cavity and upper end connects spin button, screw rod can be driven to move up and down by rotating knob, the input for moving up and down controllable liquid of thimble.The utility model is using flue as reactor, the desulfurization atomized drop and flue gas that nozzle sprays form adverse current, gas-liquid contact is more abundant, greatly improve desulfuration efficiency, desulfurization purpose is reached, the device is simply effective, without individually establishing desulfurizing tower or desulfurizer, solves the problems, such as the smoke pollution of intensive tobacco baking room.
Description
Technical field
The utility model belongs to barn technical field of desulfurization, more particularly, to a kind of nozzle-type barn desulfurizer and
System.
Background technique
It is to provide heat with coal-fired in Tobacco Leaf Curing, due to few in the intensive baking room in current China
Matched desulfurizer, therefore the coal-fired SO generated2Equal flue gases can be exhausted directly in atmosphere, not only will form acid rain damage cigarette
Leaf influences the quality of tobacco leaf, also pollutes the environment, and causes a degree of influence to the life of surrounding resident.Hothouse baking cigarette
Bituminous coal and anthracite are usually used when leaf, calorific value is 5000kcal (low level), and sulfur content 2% (ad), average coal consumption is about
It is 134kg/d/, it is 600Nm that every flue-cured tobacco equipment, which generates exhaust gas volumn,3/ h, the concentration of sulfur dioxide in flue gas are 440ppm
Left and right.Therefore, research is highly desirable for the desulfurization technology of intensive baking room.
Yellow pine blueness document (flue-cured bulk curing barn flue gas desulfurization dedirt facility application study --- with Hunan Province's Ningxiang County cigarette
[J] Agriculture in Hunan science, 2012 (18) for careless base:A kind of SCX type desulfurization dedirt series dress is had developed in 58-60.))
Set, the device include dust and gas entrance, liquid feed device, upper rotation body, clarifier outlet, cylinder, centrum, swirl vane, sewage pipe with
And it is accordingly attached with equipment, which is that a set of desulfurization dedirt device is specially arranged in barn, and structure is complicated, at high cost.
In document, (Zhao Guangming, Luo Ming, Zou Minjie wait bulk curing barn group to apply the research of smoke processing system to Zhao Guangming
[J] Agriculture of Anhui science, 2013 (14):It proposes the flue gas of intensive baking room being uniformly input to desulfurizing tower in 6480-6482.)
Desulfurization is carried out, desulfuration efficiency is only 20.63%, and effect is undesirable, and is also individually to establish desulfurizing tower, and structure is complicated, at
This height.
Above-mentioned desulfurization method is to have used for reference boiler of power plant desulfurization, i.e., fills the desulfurization that flue gas is introduced into a special desulfurization
It sets, desulfurization spray liquid is sprayed in desulfurizer makes the SO in flue gas2Reach the SO in de- flue gas removing with alkali substance reaction2
Purpose, but boiler of power plant is different from intensive baking room situation, first is that because coal consumption (134kg/d/ in intensive baking room
Seat) far away from coal-burning power plant (per 2160 tons of coal of consumption day by day by taking the coal-burning power plant 300MW as an example), desulfurization is individually established second is that establishing
Tower it is expensive.Therefore the mode of boiler of power plant desulfurization is not suitable for intensive baking room, is badly in need of exploitation and is suitable for intensive baking
The sulfur removal technology in room.
The patent of publication number CN104826460 discloses a kind of tobacco leaf condensed type barn dedirt desulphurization system and its method,
Its scheme is first to expand chimney breast, installs an electromagnetism spray head in exit, the agent of dedirt desulphurization reaction is sprayed from electromagnetism spray head
Out, it is drained to sedimentation basin after bottom is fallen in chimney, although it has abandoned traditional additional setting desulfurizer mode,
Due to electromagnetism spray head only has switching function, have the defects that unadjustable desulfurization and dedusting reactant flow (i.e. cannot
Adjust calcium sulfur ratio), desulfurization principle only be using larger drop reactant in dropping process with SO2Reaction.Its desulfurization effect
Rate is not high, so needing to expand chimney and recycling reactant, device becomes multiple because serum recycle circuit is mounted with
It is miscellaneous.
The patent of publication number CN204107705 U discloses a kind of desulfurizing atomization nozzle knot that desulfurization is carried out for flue
Structure, it includes the interior tracheae in outer nozzle, and interior tracheae is connect with outer nozzle spiral, and the end convolution device of outer nozzle has nozzle,
The end convolution of interior tracheae is connected with gas nozzle, and pyramidal structure is had in nozzle, and tapered middle has main injection jet, the two sides of main jet hole
The conical surface has auxiliary spout, is evenly equipped with multiple nozzles on the gas nozzle.To sum up, this nozzle be allow air-flow and liquid as far as possible
More contacts.This nozzle for having two big disadvantages when being atomized calcium hydroxide solution, first is that because hole it is excessive it is meticulous be easy to by
Blocking, causes nozzle can not spray solution at all；But the effect without adjusting fluid flow.
Utility model content
The utility model provides a kind of intelligent nozzle-type barn desulfurizer and system, it is intended that by existing
There is the chimney outlet of intensive baking room to install an atomizer additional, the desulfurization mist sprayed using flue as reactor, nozzle
Change drop and flue gas forms adverse current, while forming turbulent flow by the atomized drop with speed, the turbulent motion between fluid is strengthened
Gas-liquid mixed, gas-liquid contact is more abundant, greatly improves desulfuration efficiency, has reached desulfurization purpose, so that the mistake of flue gas discharge
Journey is also simultaneously sweetening process, and the device is simply effective, without individually establishing desulfurizing tower or desulfurizer, solves intensive tobacco
The smoke pollution problem of barn.
A kind of nozzle-type barn desulfurizer, including setting are used to spray into desulfurization spray into chimney in barn chimney outlet
Drench the air atomizer spray nozzle of liquid；Air atomizer spray nozzle includes ontology, and the upper end of ontology is spin button, and lower end is jet expansion,
The middle part side of air atomizer spray nozzle connects gas path pipe, and the other side connects fluid path pipeline, and body interior has a cavity, screw rod
It is inserted into cavity and upper end connects spin button, screw rod can be driven to move up and down by rotating knob, moving up and down for thimble is controllable
The input of liquid processed, when thimble rises to top, liquid input is maximum, and when thimble is down to bottommost, liquid input is zero.
Further, further include the air cutoff valve being located in gas path pipe and with the air pressure-adjusting valve with pressure gauge,
Huo and the liquid stop valve and electrical ball valve being located in fluid path pipeline.
It further, further include the air compressor for connecting gas path pipe and the peristaltic pump for connecting fluid path pipeline.
It further, further include the SO 2 sensor that the entrance and exit of chimney is set, real time monitoring and feedback
The variation of sulfur dioxide concentration.
A kind of nozzle-type barn desulphurization system, including：
Barn chimney outlet is set for spraying into the air atomizer spray nozzle of desulfurization spray liquid, air atomizing into chimney
One end of nozzle connects gas path pipe, and the other end of air atomizer spray nozzle connects fluid path pipeline；
Connect the air compressor of gas path pipe；
Connect the peristaltic pump of fluid path pipeline；
The air cutoff valve that is located in gas path pipe and with the air pressure-adjusting valve with pressure gauge；
The liquid stop valve and electrical ball valve being located in fluid path pipeline；
The SO 2 sensor of the entrance and exit of chimney is set；
It is electrically connected with SO 2 sensor, air cutoff valve, air pressure-adjusting valve, liquid stop valve and electrical ball valve
Controller.
The utility model has the positive effect that：
The utility model air atomizer spray nozzle is feeded liquor on one side while air inlet, is generated using the pressure collision liquid of compressed air
Atomizing effect avoids the excessive bring trouble in hole；The thimble of nipple top can adjust liquid liquid inlet volume, and guarantee to spray
Droplet meet the requirements substantially before and after adjusting.
Turbulent flow is formed by the atomized drop with speed, the turbulent motion between fluid enhances gas-liquid mixed, and gas-liquid connects
Touching is more abundant, and reaction is made to carry out more abundant.On the other hand, the drop of atomization can sufficiently increase the contact with dust particles
Area, water fog particle and dust particles collide to form aggregate, and aggregate increases the weight that constantly becomes larger with the number of collision, directly
To last natural subsidence, achieve the purpose that eliminate dust.
The utility model air atomizer spray nozzle feature is that the special internal structure design of 1. air atomizer spray nozzles can make liquid
Body and gas uniformly mix.2. fluid flow can be adjusted, in the environment of not changing air pressure and fluid pressure, equally
It can produce being sprayed of meeting the requirements.Each spraying device is made of air cap and liquid cap, is capable of providing fan-shaped and circle
Two kinds of spray patterns of shape.3. the fine droplet spray of 4. nozzles production can be interchanged in jet element, pole can be played to ambient enviroment
Good dustproof function.It ruptures and hits liquid using compressed air, is atomized drop, while it is certain to have the drop of atomization
Initial velocity, analyzed from hydrodynamics this atomized drop with initial velocity can increase fluid flowing flow-disturbing degree, by force
Change gas-liquid mixed.This makes the drop of atomization sulfur dioxide can not only be fixed up by chemical reaction in dropping process,
It can also be mixed strongly by the turbulent motion of fluid with sulfur dioxide, sulfur dioxide is to belong to substance soluble easily in water, in gas-liquid
Most of sulfur dioxide is first dissolved in the water of atomized drop in the case where mixing acutely, then is reacted with calcium hydroxide, in this way
Gu the effect of sulphur greatly increases, desulfuration efficiency is not only substantially increased, also reduces to establish in chimney outlet and expands chimney
Step.
The utility model reduces reaction unit using flue as reactor, installs air-introduced machine without in exit,
Furnace combustion process is influenced smaller.For this product by experimental verification desulfuration efficiency up to 84% or more, nozzle location is optimal
Change, high degree of automation changes, most of sulfur dioxide, powder by adjusting sulfur dioxide concentration in the adaptive chimney of calcium sulfur ratio
Dirt and nitrogen oxides are just gone de- before flue outlet out, greatly reduced the discharge of noxious material, desulfuration efficiency is high
And can be up to state standards (《Rolling industry atmosphere pollutants emission standards》(GB28664-2012)), device is simple, installation is simple
Easily, cost is greatly reduced.
Detailed description of the invention
Fig. 1 is intelligent nozzle desulfurizer schematic diagram；
Fig. 2 is nozzle schematic diagram.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.
The heating equipment of China's intensive baking room is mostly coal combustion furnace at present, and coal is the main of baking tobacco leaves
Fuel.Most of traditional flue-curing barn flue-cured tobaccos consumption coals are the dry 2.3~3.0kg of cigarette of lkg, and intensive baking room coal consumption then general about 1.5
~2.0kg.For intensive baking room compared with common natural airflow ascending manner barn, smoke filling density increases 80-120%, has automatic
Temperature control, control be wet, control time, the features such as cured tobacco leaf is superior in quality, therefore the fresh tobacco leaves harvested mostly use intensive baking room
Baking dehydration.In dense drying, tobacco flue-curing needs amount of heat, and tobacco flue-curing needs to consume that coal is more, Chinese coal
High ash sulphur coal specific gravity is very big in charcoal, can discharge a large amount of CO after coal is imperfect combustion or burning2、CO、S02、NO、H2S, cigarette
The harmful and noxious substances such as dirt and polycyclic aromatic hydrocarbon and solid waste cause certain harm to environment and producers.Therefore, such as
What reduces the pollution to environment, and oneself becomes cured tobacco production problem anxious to be resolved.
The utility model nozzle-type barn sulfur method is specially：Air atomizer spray nozzle is disposed in the chimney breast of barn,
The desulfurization spray liquid of atomization, the titanium dioxide in desulfurization spray liquid and chimney in flue gas are sprayed into chimney by air atomizer spray nozzle
Sulphur counter current contacting strengthens gas-liquid mixed by the turbulent motion of fluid, improves desulfuration efficiency, it is clear that reaction product falls in chimney bottom
It is taken off clearly in a manner of sweeping up dust after sweeping mouth.
Desulfurization spray liquid is calcium hydroxide solution, magnesium hydroxide solution, any one in limestone/gypsum slurries.It examines
The amount for needing to take off de- sulfur dioxide in the design and little is considered, so the higher magnesia of absorption efficiency does not have obviously
Advantage, on the contrary since calcium oxide is cheap and easy acquisition, technical maturity, therefore preferred white lime/stone in the present invention
Cream method more economic and reliable.
CaO+H2O→Ca(OH)2
Ca(OH)2+SO2→CaSO3·1/2H2O+1/2H2O
CaCO3+SO2+1/2H2O→CaSO3·1/2H3O+CO2↑
CaSO3·1/2H2O+SO2+1/2H2O→Ca(HSO3)2
Calcium hydroxide slurry is spray liquid, and mass concentration generally takes 10%.Flue gas flows from the bottom up, and spray liquid exists
Top sprays, and the two adverse current is mixed, the SO in calcium hydroxide and flue gas that slurries contain2It comes into full contact with, most quilts
Absorption is dissolved in slurries, is generated calcium sulfite and calcium bisulfite, is reached SO in flue gas removing2Purpose.
It is that control basis converses spray according to the ratio of calcium sulfur ratio when the condition in flue changes with calcium sulfur ratio
The flow of liquid.When other conditions are constant, exhaust gas volumn Q (m3/ h) increase when spray agent flux q (L/h) must increase, the two it
Between relationship be q=0.0419Q-4.3104 (Q > 195), q=3.85 (Q < 195)；When flue gas flow rate increases, it is necessary to increase
Big calcium sulfur ratio just can guarantee desulfuration efficiency, and the relationship of flue gas flow rate v (m/s) and calcium sulfur ratio (a) is a=1.0041v- at this time
1.3469 (v > 2.5), a=1.2 (v < 2.5).When Diameter of chimney becomes larger, calcium sulfur ratio can suitably reduce, because in identical cigarette
Tolerance lower stack diameter, which becomes larger, causes flue gas flow rate to become smaller, and can be converted into flue gas flow rate, core according to the ratio that its diameter increases
Heart problem is still the relationship of flue gas flow rate and calcium sulfur ratio.Chimney length is longer, and its reaction time is longer, more can guarantee that desulfurization is imitated
Rate.
The entrance and exit of the chimney places sulfur dioxide detection alarm, the titanium dioxide of monitoring and feedback both ends
Sulphur concentration, because the sulfur dioxide concentration in flue gas is the value of moment variation, so needing the two of real-time monitoring chimney entrance
Sulfur oxide concentration, calculates whether desulfuration efficiency reaches expected.(< 53ppm), dioxy when exit sulfur dioxide concentration is up to standard
Change sulphur detection alarm and output signal to PLC controller, the execution of electronic V-shaped ball valve is controlled after PLC controller processing signal
Device closes ball valve, and fluid is cut off at this time, and nozzle stops spraying calcium hydroxide solution.When exit, sulfur dioxide concentration is exceeded
When (>53ppm), outlet sulfur dioxide detection alarm outputs signal to PLC controller, after PLC controller handles signal, root
According to the sulfur dioxide concentration of program setting and the relationship of ball valve aperture, the actuator of electronic V-shaped ball valve is controlled, opens ball valve, control
Ball valve aperture processed, nozzle starts to spray calcium hydroxide solution at this time, controls the dense of exit sulfur dioxide with this to reach accurate
The purpose of degree.
As shown in Figure 1, the utility model provides the device for realizing the above method, close-packed tobacco barn desulfurization dedirt dress
It sets, including air atomizer spray nozzle 4, air compressor 1, the air cutoff valve 2 being connected with gas circuit and air pressure regulation with pressure gauge
Valve 3, peristaltic pump 7, slurry pool 8, the liquid stop valve 6 being connected with fluid path and electronic V-shaped ball valve 5, cleanout 9, flue 10, PLC
Controller 11 and SO 2 sensor 12.
Barn chimney outlet is set for spraying into the air atomizer spray nozzle 4 of desulfurization spray liquid, air mist into chimney
The one end for changing nozzle 4 connects gas path pipe, and the other end of air atomizer spray nozzle connects fluid path pipeline；Connect the another of gas path pipe
End connection air compressor 1；The other end of fluid path pipeline connects peristaltic pump；Air cutoff valve and with the air tune with pressure gauge
Pressure valve is located in gas path pipe；Liquid stop valve and electric V-shaped ball valve are located in fluid path pipeline；Titanium dioxide sensor 12 is arranged
In the entrance and exit of chimney；PLC controller 11 is electrically connected sulfur dioxide detection alarm and electric V-shaped ball valve.
As shown in Fig. 2, the utility model provides realization for the nozzle of solution atomization, which surveyed by experiment
Try the type selecting after optimizing.One air atomizer spray nozzle includes ontology, and the upper end of ontology is spin button, and lower end goes out for nozzle
Mouthful, the middle part side of air atomizer spray nozzle connects gas path pipe, and the other side connects fluid path pipeline, and body interior has a cavity,
Screw rod is inserted into cavity and upper end connects spin button, screw rod can be driven to move up and down by rotating knob, thimble moves up and down
The input of controllable liquid, when thimble rises to top, liquid input is maximum, and when thimble is down to bottommost, liquid input is
Zero.
Drop after atomization, which is carried secretly by gas from nozzle, to be come out, and is had certain initial velocity, is sprayed from the point of view of hydrodynamics
Gas-liquid mixture be turbulence form.
Air atomizer spray nozzle is the gas circuit of air inlet on one side, is the fluid path into slurries on one side, gas, liquid are in air cap and liquid
Atomized inside mixes in body cap cavity, and atomizing principles are that air is ruptured and hit, and atomizing effect is ideal, belongs to internal-mixing atomization.
Embodiment：
The utility model provides a kind of intelligent nozzle-type desulfurizer, includes the following steps：
(1) gas circuit of nozzle is sequentially connected air compressor machine, shut-off valve and electronic V-shaped ball valve.Air compressor machine provides compressed air, cuts
Only valve regulation gas circuit flow, electronic V-shaped ball valve adjusts and display airline pressure.
(2) fluid path of nozzle is sequentially connected peristaltic pump, shut-off valve and electronic V-shaped ball valve.Peristaltic pump is for mentioning to liquid
For pressure, end valve regulation fluid path flow, electronic V-shaped ball valve adjusts and display fluid path pressure.
(3) sulfur dioxide concentration is excessively high in chimney or so that desulfuration efficiency is existed by increasing calcium sulfur ratio when flue gas flow rate is excessively high
84% or more, the amount of ejection calcium hydroxide solution is reduced by adjusting calcium sulfur ratio when sulfur dioxide concentration decline.With different mistakes
For measuring the corresponding nozzle flow of air coefficient, by adjusting calcium sulfur ratio make the desulfuration efficiency under different wind speed reach 84% with
On.
In actual industrial process, nozzle is mounted on the top of chimney, after the white lime solution of ejection is mixed with flue gas adverse current
The cleanout of stack base is fallen in, it is de- clearly in the form to sweep up dust.
Note：Flue gas flow rate increases, and the reaction time, opposite shorten was increased because of the slurry flow sprayed, smoke contacts
Slurries area increases, and increases desulfuration efficiency to a certain extent.The reaction time does not consider the air sprayed into air-flow herein
Buffer function, the actual reaction time is longer than the time provided.
(4) sulfur dioxide is placed in the inlet of chimney and exit detect alarm, the sulfur dioxide detection in exit
The output signal of alarm is input to PLC control system, and system controls the electronic V-shaped ball valve 5 in nozzle fluid path.Pass through electronic v
The adjusting of type ball valve and pass, which are come, controls the amount for the calcium hydroxide solution for entering nozzle.
(5) nozzle type selecting
According to experimental study, the nozzle for meeting desulfurization effect is chosen
1. nozzle model：1/4JN-SS+SUC22-SS (outlet aperture with liquid cap is 3.0mm), 1/4 (unit：English
It is very little) refer to that the internal diameter that nozzle connection to be joined two pipes together is up to 6mm, JN indicates that nozzle has flow metering pin valve, and SS indicates nozzle
Material is stainless steel 303, and SUC22 is the model of nozzle, is chosen according to the model table that producer provides.Liquid cap 60100 and sky
Gas cap 1401110, circle that pressure type is adjustable
2. nozzle connects：It is the PE pipe that 5mm outer diameter is 8mm that the connector of nozzle liquid and gas, which is all connected with internal diameter,
3. flow is adjusted：PLC controller controls ball valve aperture by controlling potentiometer and the actuator of electric V-shaped ball valve
And then achieve the purpose that control flow.
4. Nozzle Parameter：When hydraulic pressure is 1.5bar, and air pressure is 2bar, maximum injection flow 35L/h, jet angle
21 ° of degree
The gas pressure that the air compressor machine provides is maintained at 0.85bar or more.The liquid pressure that the peristaltic pump provides
Power is maintained at 0.7bar or more.The flow that can change the calcium hydroxide solution of nozzle ejection by PLC automatic control system, into
And adjustable calcium sulfur ratio.Make desulfuration efficiency 84% or more by increase calcium sulfur ratio when sulfur dioxide concentration is excessively high in chimney
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of nozzle-type barn desulfurizer, which is characterized in that be used in barn chimney outlet into chimney including setting
Spray into the air atomizer spray nozzle of desulfurization spray liquid；Air atomizer spray nozzle includes ontology, and the upper end of ontology is spin button, and lower end is
Jet expansion, the middle part side of air atomizer spray nozzle connect gas path pipe, and the other side connects fluid path pipeline, and body interior has one
Cavity, screw rod is inserted into cavity and upper end connects spin button, screw rod can be driven to move up and down by rotating knob, above and below thimble
The input of mobile controllable liquid, when thimble rises to top, liquid input is maximum, when thimble is down to bottommost liquid into
Amount is zero.
2. nozzle-type barn desulfurizer according to claim 1, which is characterized in that further include being located in gas path pipe
Air cutoff valve and with the air pressure-adjusting valve with pressure gauge, Huo and the liquid stop valve being located in fluid path pipeline and electronic
Ball valve.
3. nozzle-type barn desulfurizer according to claim 1 or 2, which is characterized in that further include connection gas path pipe
Air compressor and connect fluid path pipeline peristaltic pump.
4. nozzle-type barn desulfurizer according to claim 1 or 2, which is characterized in that further include that chimney is arranged in
The SO 2 sensor of entrance and exit, the variation of real time monitoring and feedback sulfur dioxide concentration.
5. a kind of nozzle-type barn desulphurization system, which is characterized in that including：
Barn chimney outlet is set for spraying into the air atomizer spray nozzle of desulfurization spray liquid, air atomizer spray nozzle into chimney
One end connect gas path pipe, the other end of air atomizer spray nozzle connects fluid path pipeline；
Connect the air compressor of gas path pipe；
Connect the peristaltic pump of fluid path pipeline；
The air cutoff valve that is located in gas path pipe and with the air pressure-adjusting valve with pressure gauge；
The liquid stop valve and electrical ball valve being located in fluid path pipeline；
The SO 2 sensor of the entrance and exit of chimney is set；
The control being electrically connected with SO 2 sensor, air cutoff valve, air pressure-adjusting valve, liquid stop valve and electrical ball valve
Device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721192557.5U CN208115492U (en) | 2017-09-18 | 2017-09-18 | A kind of nozzle-type barn desulfurizer and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107854989A (en) * | 2017-09-18 | 2018-03-30 | 安徽中科自动化股份有限公司 | A kind of nozzle-type barn sulfur method, apparatus and system |
| CN113680202A (en) * | 2021-08-27 | 2021-11-23 | 福建欣隆环保股份有限公司 | Desulfurizing tower and desulfurizing method thereof |
-
2017
- 2017-09-18 CN CN201721192557.5U patent/CN208115492U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107854989A (en) * | 2017-09-18 | 2018-03-30 | 安徽中科自动化股份有限公司 | A kind of nozzle-type barn sulfur method, apparatus and system |
| CN113680202A (en) * | 2021-08-27 | 2021-11-23 | 福建欣隆环保股份有限公司 | Desulfurizing tower and desulfurizing method thereof |
| CN113680202B (en) * | 2021-08-27 | 2023-09-22 | 福建欣隆环保股份有限公司 | Desulfurizing tower and desulfurizing method thereof |
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