CN205392083U - Ultrafine particle's device in desorption coal fired boiler flue gas - Google Patents
Ultrafine particle's device in desorption coal fired boiler flue gas Download PDFInfo
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- CN205392083U CN205392083U CN201620231265.7U CN201620231265U CN205392083U CN 205392083 U CN205392083 U CN 205392083U CN 201620231265 U CN201620231265 U CN 201620231265U CN 205392083 U CN205392083 U CN 205392083U
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Abstract
The utility model relates to an ultrafine particle's device in desorption coal fired boiler flue gas, its characterized in that the device sets gradually flue gas steam ejector, steam phase transition reunion room, torrent reunion room and defroster along flue gas flow direction according to process flow after the sweetener, the exit and the electrostatic precipitator of defroster are connected, the flue gas steam ejector is equipped with the flue gas entry with the one end that the sweetener is connected, is equipped with water steam inlet on the upper portion of flue gas steam ejector, indoor vortex cylinder and the vortex votex sheet of being equipped with of torrent reunion, the vortex cylinder is arranged in the front portion of torrent reunion room, the vortex votex sheet of a plurality of quantity of equidistant stagger arrangement behind the vortex cylinder, the exit linkage of torrent reunion room one end and steam phase transition reunion room, the entry linkage of the other end and defroster.
Description
Technical field
This utility model relates to dust arrester technical field, specifically a kind of removes the device of superfine particulate matter in fire coal boiler fume.
Background technology
Coal resources are one of most important Fossil fuels of China, rich reserves, and the short-term energy resource structure based on thermoelectricity will not change, and the coal-fired ash-laden gas produced is one of main source of suspended particulate substance in air.These particulate matters fly away in air from legacy equipment (electrostatic precipitator, wet scrubber, mechanical dust collector etc.), and human body and atmospheric environment are had very big hazardness.Major part coal-burning power plant of China is equipped with efficient dust arrester, the quality removal efficiency of flue dust can be reached more than 99%, substantially can remove for the particulate matter more than 10 μm, but for PM10Especially PM2.5Such fine particle removal efficiency is low especially, and this part fine particle in quantitative terms can reach more than 90% that in flue gas, amounts of particles is total.With PM2.5The ultra-fine grain being main has that particle diameter is little, quantity is many, have very strong absorbability, heavy metal (As, Se, Pb, Cr etc.) and organic pollution (dioxin and polycyclic aromatic hydrocarbon etc.) enrichment can be made, except health is had serious threat, it also it is the main cause causing the environmental problem such as acid rain, haze weather.
Application number be 2013106676615 Chinese patent disclose the apparatus and method of a kind of cooperation-removal fire coal boiler fume ultra-fine grain and trace contaminant, the method is provided with adsorbent pre-spray unit before desulphurization plant, ultra-fine grain agglomeration device, adsorbent adding apparatus and bag-type dust collector, spraying and cleaning apparatus it is disposed with after desulphurization plant, reactant adding apparatus and Wet type electric dust-removing device, the equipment that the method is set up is more, desulphurization plant could not be made full use of to remove part bulky grain and to increase the advantage of flue gas relative humidity, make adsorbent amount bigger, relatively costly, practical operation is complicated, promote not easily.
Application number be 2015104361111 Chinese patent disclose a kind of wet desulphurization tower desulfurization and dedusting except mist water saving art, this technique mainly adopts the device such as impingement room, coalescence room, adopt the method that two strands of ash-laden gas clash into, resistance is bigger, each equipment connects loaded down with trivial details, relatively costly, practical operation is complicated, promotes not easily.
Utility model content
For the deficiencies in the prior art, the technical problem that this utility model intends to solve is to provide and a kind of removes the device and method of superfine particulate matter in fire coal boiler fume.This device is mainly used in the superfine particulate matter in elimination coal-fired flue-gas, it is sequentially connected with flue gas vapors injector, steam phase transforming reunion room, turbulent flow reunion room, demister in desulphurization plant tailing edge flow of flue gas direction, connecting electrostatic precipitator afterwards, this device can effectively remove PM2.5Deng superfine particulate matter, and this device has simple in construction, easy to operate, the advantages such as operating cost is cheap.
The method adopts turbulent flow to reunite and works in coordination with the mechanism that steam phase transforming is reunited, and in steam phase transforming aggregation procedure, destroys the air film of surface particles by increasing the humidity of flue gas, and reuniting for turbulent flow creates conditions；Turbulent flow is reunited and is adopted the turbulivity of flow-disturbing component control flue gas, increases the collision probability of fine particle, and drag losses is little, and many group flow-disturbing Component compositions optimize the Flow Field Distribution of flue gas, are effectively increased fine particle reunion efficiency.Reunited by steam phase transforming and turbulent flow agglomeration techniques makes fine particle particle diameter reach the scope that cleaner unit can remove；Power plant's existing device need not be done bigger variation, strong adaptability by the method, and operating cost is low, has the value of actual popularization and application.
This utility model solves described device technique problem and employed technical scheme comprise that, design and a kind of remove the device of superfine particulate matter in fire coal boiler fume, it is characterized in that this device sets gradually flue gas vapors injector, steam phase transforming reunion room, turbulent flow reunion room and demister along flow of flue gas direction according to technological process after desulphurization plant, the exit of demister is connected with electrostatic precipitator；One end that described flue gas vapors injector is connected with desulphurization plant is provided with smoke inlet, is provided with steam entry on the top of flue gas vapors injector；Described turbulent flow reunion indoor are provided with flow-disturbing cylinder and flow-disturbing votex sheet, and flow-disturbing cylinder is arranged in the front portion of turbulent flow reunion room, are equidistantly staggered in arrangement a number of flow-disturbing votex sheet after flow-disturbing cylinder；One end, described turbulent flow reunion room is connected with the outlet of steam phase transforming reunion room, and the other end is connected with the entrance of demister.
This utility model solves described method and technology problem and employed technical scheme comprise that, design and a kind of remove the method for superfine particulate matter in fire coal boiler fume, the method uses the device of superfine particulate matter in elimination fire coal boiler fume described in the utility model, and the processing step of the method is as follows:
1) steam phase transforming is reunited
Flue gas after desulphurization plant process enters flue gas vapors injector through smoke inlet, according to flue gas flow injector from the corresponding steam rates of steam entry automatic injecting spray, controls steam phase transforming and reunites indoor degree of supersaturation between 1.05～1.2；Flue gas and water vapour are flowed in steam phase transforming reunion room after being sufficiently mixed, the fine particle in flue gas is reunited at the indoor generation steam phase transforming of steam phase transforming reunion；
2) turbulent flow is reunited
Flue gas after reuniting in steam phase transforming reunion room, enters in turbulent flow reunion room, and flue gas is reunited through turbulent flow after indoor flow-disturbing cylinder and flow-disturbing votex sheet, it is achieved the turbulent flow of the fine particle in flue gas is reunited；
3) except mist
Flue gas flows through demister, removes unnecessary moisture for electrostatic precipitator；
4) fine particle after electrostatic precipitator elimination reunion
After the reunion of above-mentioned steam phase transforming, turbulent flow are reunited, the fine grained that particle diameter is 2～6 μm is removed by electrostatic precipitator.
Compared with prior art, apparatus and method described in the utility model have the advantages that
1) this utility model sets up flue gas vapors injector, creates a supersaturated vapor environment making superfine particulate matter condensation growth in steam phase transforming reunion room.The relative humidity of general flue gas after desulfurization is between 70%～95%, and the ratio relation according to flue gas flow injection steam rates, adjustment steam rates, in control flue gas, the degree of supersaturation of water vapour is between 1.05～1.2.In the supersaturated vapor field set up, water recovery, on fine particle surface, undergoes phase transition, and promotes granule to move, and makes fine grained particle diameter become big, agglomerates into good condition for turbulent flow collision；The quantity of steam of flue gas vapors injector institute injection and the change of coal-burning boiler load adapt, and steam consumption is less, it is easy to operation.
2) this utility model arranges the flow-disturbing component of designed, designed in the turbulent flow reunion chamber interior set up, i.e. flow-disturbing cylinder and flow-disturbing votex sheet, as heat transfer enchancement, the flow-disturbing cylinder in parallel that front end is arranged can play good shunting action, with the vortex street that the flow-disturbing votex sheet of rear end layout can produce different scale, the particulate matter of different-grain diameter is entrainmented at zones of different formation selectivity, increase the collision opportunity of variable grain thing, promote the fine particle in flue gas to be agglomerated into bulky grain, strengthen the efficiency that fine particle is reunited.
3) the flow-disturbing cylinder that this utility model is arranged in turbulent flow reunion room is arranged in parallel, it is possible to well play shunting action；" T " word flow-disturbing votex sheet arranged in turbulent flow reunion room, adopts interlaced layout, it is possible to produces the vortex street varied in size, promotes different fine particles to collide, designs simple in construction, easily operate.
The particle agglomeration technology that this utility model is taked because making any change to existing cleaner, and the intrinsic layout of power plant is changed little, strong adaptability, and investment, operating cost are relatively low, and removal efficiency is high, has good application development prospect.
Accompanying drawing explanation
Fig. 1 is the equipment composition structural representation of a kind of embodiment of device of superfine particulate matter in this utility model elimination fire coal boiler fume；
Fig. 2 is the illustraton of model of the turbulent flow reunion room 4 of a kind of embodiment of device of superfine particulate matter in this utility model elimination fire coal boiler fume；
Fig. 3 is the perspective view of flow-disturbing votex sheet 42 in the turbulent flow reunion room of a kind of embodiment of device of superfine particulate matter in this utility model elimination fire coal boiler fume；
Fig. 4 is the speed vector figure of the indoor ash-laden gas of turbulent flow reunion of a kind of embodiment of method of superfine particulate matter in this utility model elimination fire coal boiler fume；
Fig. 5 is the particle random trajectory model chart of percentage comparison before and after this utility model device and method is reunited.
In Fig. 1: 1 desulphurization plant, 2 flue gas vapors injectors (or injector), 3 steam phase transforming reunion rooms, 4 turbulent flow reunion rooms, 5 demisters, 6 electrostatic precipitator, 21 smoke inlets, 22 steam entries, 41 flow-disturbing cylinders, 42 flow-disturbing votex sheets.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the utility model is described in further detail, but not in this, as the restriction to the application claims.
In this utility model elimination fire coal boiler fume, the device of superfine particulate matter (is called for short device, referring to Fig. 1 and Fig. 2) be positioned at coal-burning boiler back-end ductwork desulphurization plant 1 after, and before being positioned at boiler electrostatic precipitator 6, setting gradually flue gas vapors injector 2, steam phase transforming reunion room 3, turbulent flow reunion room 4 and demister 5 along flow of flue gas direction after desulphurization plant 1 according to technological process, the exit of demister 5 is connected with electrostatic precipitator 6；One end that described flue gas vapors injector 2 is connected with desulphurization plant 1 is provided with smoke inlet 21, is provided with steam entry 22 on the top of flue gas vapors injector 2；Being provided with flow-disturbing cylinder 41 and flow-disturbing votex sheet 42 in described turbulent flow reunion room 4, flow-disturbing cylinder 41 is arranged in the front portion of turbulent flow reunion room, is equidistantly staggered in arrangement a number of flow-disturbing votex sheet 42 after flow-disturbing cylinder 41；One end, described turbulent flow reunion room 4 is connected with the outlet of steam phase transforming reunion room 3, and the other end is connected with the entrance of demister 5.
What this utility model device was further characterized by described flow-disturbing votex sheet 42 is shaped as " T " word cylindricality (referring to Fig. 3), the central row spacing l of adjacent flow-disturbing votex sheet 427L is met with the width w of turbulent flow reunion room7/ w=1:2.
It is even number that this utility model device is further characterized by the quantity of described flow-disturbing cylinder 41, and is arranged in parallel, the center distance l of adjacent flow-disturbing cylinder 411, flow-disturbing cylinder the ratio of diameter d and the width w of turbulent flow reunion room be l1: d:w=2:1:5；First flow-disturbing votex sheet front end is to the distance l of the line of centres of flow-disturbing cylinder2L is met with the overall length l of turbulent flow reunion room 42/ l=1:8.
This utility model device is further characterized by described demister 5 for the corrugated demister of plate, plate corrugated demister coalescence is grown up after dust-laden drop there is good removal effect, be conducive to elimination to enter moisture unnecessary in electrostatic precipitator.
In this utility model elimination fire coal boiler fume, the step of the method for superfine particulate matter is as follows:
1) steam phase transforming is reunited
Flue gas after desulphurization plant 1 process enters flue gas vapors injector 2 through smoke inlet 21, according to flue gas flow injector from the steam entry 22 corresponding steam rates of automatic injecting spray, thus controlling the flow proportional of flue gas and water vapour, controlling steam phase transforming and reuniting indoor degree of supersaturation between 1.05～1.2；Flue gas and water vapour are flowed into after being sufficiently mixed in steam phase transforming reunion room 3, and occur steam phase transforming to reunite in steam phase transforming reunion room 3.
2) turbulent flow is reunited
Flue gas after reuniting in steam phase transforming reunion room 3, enters in turbulent flow reunion room 4, and flue gas is reunited through turbulent flow after indoor flow-disturbing cylinder 41 and flow-disturbing votex sheet 42, forms a number of vortex street, makes granule partial be enriched with, and can effectively facilitate KεT model and reunite.Wherein when flow-disturbing cylinder 41, playing shunting action, flow-disturbing cylinder 41 and flow-disturbing votex sheet 42, the two be combined with each other, and produces the vortex street of different scale, forms granule high concentration region, increases the probability of particles collision, it is achieved the turbulent flow of the fine particle in flue gas is reunited.
3) except mist
Flue gas flows through demister 5, the demister 5 drop for carrying secretly in separating flue, removes unnecessary moisture for electrostatic precipitator.
4) fine particle after electrostatic precipitator elimination reunion
After the reunion of above-mentioned steam phase transforming, turbulent flow are reunited, overwhelming majority grain diameters can reach 2～6 μm, reaches the scope that electrostatic precipitator can remove, electrostatic precipitator elimination the fine particle after reuniting.
Core concept of the present utility model is that the particle agglomeration of submicron order was generated by the effect of physics and chemistry the particle of greater particle size before electrostatic precipitator, makes the particle in entrance electrostatic dust collection equipment be in the scope of effectively trapping.
The elimination of the contaminant particles such as ammonium chloride, calcium carbonate, calcium sulfate and the part heavy metal that this utility model device and method is formed after being applicable to coal-fired flue-gas superfine particulate matter, desulfurization.
Embodiment 1
After in the present embodiment elimination fire coal boiler fume, the device of superfine particulate matter is positioned at coal-burning boiler back-end ductwork desulphurization plant 1, and before being positioned at boiler electrostatic precipitator 6, setting gradually flue gas vapors injector 2, steam phase transforming reunion room 3, turbulent flow reunion room 4 and demister 5 along flow of flue gas direction after desulphurization plant 1 according to technological process, the exit of demister 5 is connected with electrostatic precipitator 6；One end that described flue gas vapors injector 2 is connected with desulphurization plant 1 is provided with smoke inlet 21, is provided with steam entry 22 on the top of flue gas vapors injector 2；Being provided with flow-disturbing cylinder 41 and flow-disturbing votex sheet 42 in described turbulent flow reunion room 4, flow-disturbing cylinder 41 is arranged in the front portion of turbulent flow reunion room, is equidistantly staggered in arrangement a number of flow-disturbing votex sheet 42 after flow-disturbing cylinder 41；One end, described turbulent flow reunion room 4 is connected with the outlet of steam phase transforming reunion room 3, and the other end is connected with the entrance of demister 5.
In the present embodiment, flue gas is produced by fully-automatic coal-fired boiler, and exhaust gas volumn is 90Nm3/ h, is down to 45 DEG C through flue gas after desulfurization temperature by 160 DEG C, and relative humidity is 95%.Flue gas after desulfurization enters into flue gas vapors injector 2 through conduit, and flue gas flow rate is 10m/s；According to the ratio relation of regulated flue gas and steam, at 1Nm3Flue gas injects 0.08kg normal pressure saturated vapor, and the degree of supersaturation of flue gas can be made to reach about 1.12.Steam phase transforming reunion room 3 is designed to be similar to rectangular structure, length 500mm, wide 100mm, high 90mm, after connect turbulent flow reunion room 4.In this example, turbulent flow reunion room is designed to rectangular channel, as in figure 2 it is shown, overall length l=1200mm, high h=300mm, wide w=300mm.Flow-disturbing cylinder and flow-disturbing votex sheet is arranged in rectangular channel, the quantity of flow-disturbing cylinder 41 is 2, the diameter d=60mm of flow-disturbing cylinder, and two flow-disturbing cylinders are arranged in parallel, namely the line of centres of two flow-disturbing cylinders is vertical with flow of flue gas direction, the center distance l of two flow-disturbing cylinders1=120mm；Flow-disturbing votex sheet 42 be shaped as " T " word cylindricality (referring to Fig. 3), the cross section of " T " word cylindricality flow-disturbing votex sheet is " T " font, including horizontal segment and vertical section, cross-sectional horizontal section is of a size of 20mm, the vertical section of cross section is of a size of 40mm, the height of " T " word cylindricality flow-disturbing votex sheet is 300mm, the quantity of flow-disturbing votex sheet 42 is 7, arrangement is as shown in Figure 2, namely first, three, five row flow-disturbing votex sheet quantity are 1, second, four row flow-disturbing votex sheet quantity are 2, during layout, the horizontal segment of " T " word cylindricality flow-disturbing votex sheet is towards direction, flow-disturbing cylinder place, the front end of first row flow-disturbing votex sheet is to the distance l of the line of centres of flow-disturbing cylinder2=150mm；The central row spacing l of flow-disturbing votex sheet7=150mm, central series spacing (l3～l6) all equal, i.e. l3=l4=l5=l6=110mm.
Fig. 4 is the speed vector figure of the indoor ash-laden gas of turbulent flow reunion, as can be seen from the figure flow-disturbing cylinder plays shunting action, flue gas is divided into three fluid streams rush at downstream flow-disturbing votex sheet respectively, flue gas transversal flow flow-disturbing votex sheet, whirlpool is formed in flow-disturbing votex sheet downstream, the distribution of particles of different-grain diameter, in the zones of different of whirlpool, forms the enrichment region of different-grain diameter granule；The granule of less particle diameter is followed vortex street and is rotated owing to quality is little, and the granule of greater particle size is thrown out of whirlpool, and constantly and the mutual disturbance of granule in whirlpool, the particle agglomeration of different-grain diameter is together for the granule of incoming flow flue gas.Both flow-disturbing cylinder and flow-disturbing votex sheet being organically combined, can be effectively increased the probability that particles collision is reunited, the reunion for fine particle creates favorable conditions.
Fig. 5 is particle random trajectory model chart of percentage comparison before and after the present embodiment device is reunited, and as shown in Figure 5, by quantity, the granule of reunion precontract 95% is in 0.021 μm～1 μ m, and the grain diameter of about 5% is more than 1 μm；And after fine particle is reunited through steam phase transforming, turbulent flow is reunited, the granule of about 78% is in 2～6 μ m, and the granule of 11% is in 0.021～1 μ m.As can be seen here, this device can be remarkably reinforced fine grained agglomerating effect.
This utility model is not addressed part and is applicable to prior art.
Above are only detailed description of the invention of the present utility model; technical characteristic of the present utility model is not limited to this, and change or modification that any those skilled in the art makees in field of the present utility model all should include this utility model scope of the claims in.
Claims (2)
1. one kind removes the device of superfine particulate matter in fire coal boiler fume, it is characterized in that this device sets gradually flue gas vapors injector, steam phase transforming reunion room, turbulent flow reunion room and demister along flow of flue gas direction according to technological process after desulphurization plant, the exit of demister is connected with electrostatic precipitator；One end that described flue gas vapors injector is connected with desulphurization plant is provided with smoke inlet, is provided with steam entry on the top of flue gas vapors injector；Described turbulent flow reunion indoor are provided with flow-disturbing cylinder and flow-disturbing votex sheet, and flow-disturbing cylinder is arranged in the front portion of turbulent flow reunion room, are equidistantly staggered in arrangement a number of flow-disturbing votex sheet after flow-disturbing cylinder；One end, described turbulent flow reunion room is connected with the outlet of steam phase transforming reunion room, and the other end is connected with the entrance of demister.
2. the device of superfine particulate matter in elimination fire coal boiler fume according to claim 1, it is characterised in that described flow-disturbing votex sheet be shaped as " T " word cylindricality.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620231265.7U CN205392083U (en) | 2016-03-23 | 2016-03-23 | Ultrafine particle's device in desorption coal fired boiler flue gas |
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| CN201620231265.7U CN205392083U (en) | 2016-03-23 | 2016-03-23 | Ultrafine particle's device in desorption coal fired boiler flue gas |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597477A (en) * | 2016-03-23 | 2016-05-25 | 河北工业大学 | Device and method for removing ultrafine particles in flue gas of coal boiler |
| CN106512634A (en) * | 2016-12-27 | 2017-03-22 | 盐城工学院 | Streamline ultrafine particle coagulation box |
| CN106621680A (en) * | 2016-11-22 | 2017-05-10 | 凯天环保科技股份有限公司 | Method and system for deeply removing dust from flue gas after wet desulfurization |
| CN106693579A (en) * | 2016-12-27 | 2017-05-24 | 盐城工学院 | Transversely arranged anchored pipeline type ultrafine particle coagulation device |
| CN106731434A (en) * | 2016-12-27 | 2017-05-31 | 盐城工学院 | A kind of combined ultra-fine grain coalescence case |
| CN106731435A (en) * | 2016-12-27 | 2017-05-31 | 盐城工学院 | A kind of angle-style ultra-fine grain coalescence case |
| CN106731391A (en) * | 2016-12-27 | 2017-05-31 | 盐城工学院 | The horizontal Y types ultra-fine grain coalescence case of double jet type |
| CN106731392A (en) * | 2016-12-27 | 2017-05-31 | 盐城工学院 | A kind of Novel super-thin particle coalescer |
| CN106731437A (en) * | 2016-12-27 | 2017-05-31 | 盐城工学院 | The horizontal anchor type ultra-fine grain coalescence case of double jet type |
| CN106731433A (en) * | 2016-12-27 | 2017-05-31 | 盐城工学院 | A kind of novel box type coalescer |
| CN106823664A (en) * | 2016-12-27 | 2017-06-13 | 盐城工学院 | A kind of horizontal anchor type ultra-fine grain coalescence case |
| CN107185350A (en) * | 2017-05-17 | 2017-09-22 | 袁芳革 | PM2.5 particle filtering device |
| CN108434950A (en) * | 2018-03-15 | 2018-08-24 | 东南大学 | A kind of devices and methods therefor of the evaporation of coordinated desulfurization waste water flue and enhancing fine particle and sulfur trioxide removing |
| CN111337394A (en) * | 2020-03-23 | 2020-06-26 | 大连理工大学 | Experimental device for controllable micron order granule torrent of humiture is reunited |
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2016
- 2016-03-23 CN CN201620231265.7U patent/CN205392083U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597477A (en) * | 2016-03-23 | 2016-05-25 | 河北工业大学 | Device and method for removing ultrafine particles in flue gas of coal boiler |
| CN106621680A (en) * | 2016-11-22 | 2017-05-10 | 凯天环保科技股份有限公司 | Method and system for deeply removing dust from flue gas after wet desulfurization |
| CN106731391A (en) * | 2016-12-27 | 2017-05-31 | 盐城工学院 | The horizontal Y types ultra-fine grain coalescence case of double jet type |
| CN106693579A (en) * | 2016-12-27 | 2017-05-24 | 盐城工学院 | Transversely arranged anchored pipeline type ultrafine particle coagulation device |
| CN106731434A (en) * | 2016-12-27 | 2017-05-31 | 盐城工学院 | A kind of combined ultra-fine grain coalescence case |
| CN106731435A (en) * | 2016-12-27 | 2017-05-31 | 盐城工学院 | A kind of angle-style ultra-fine grain coalescence case |
| CN106512634A (en) * | 2016-12-27 | 2017-03-22 | 盐城工学院 | Streamline ultrafine particle coagulation box |
| CN106731392A (en) * | 2016-12-27 | 2017-05-31 | 盐城工学院 | A kind of Novel super-thin particle coalescer |
| CN106731437A (en) * | 2016-12-27 | 2017-05-31 | 盐城工学院 | The horizontal anchor type ultra-fine grain coalescence case of double jet type |
| CN106731433A (en) * | 2016-12-27 | 2017-05-31 | 盐城工学院 | A kind of novel box type coalescer |
| CN106823664A (en) * | 2016-12-27 | 2017-06-13 | 盐城工学院 | A kind of horizontal anchor type ultra-fine grain coalescence case |
| CN107185350A (en) * | 2017-05-17 | 2017-09-22 | 袁芳革 | PM2.5 particle filtering device |
| CN108434950A (en) * | 2018-03-15 | 2018-08-24 | 东南大学 | A kind of devices and methods therefor of the evaporation of coordinated desulfurization waste water flue and enhancing fine particle and sulfur trioxide removing |
| CN111337394A (en) * | 2020-03-23 | 2020-06-26 | 大连理工大学 | Experimental device for controllable micron order granule torrent of humiture is reunited |
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