CN212681310U - Fine particle agglomeration device with charged fine particles and charged water mist - Google Patents
Fine particle agglomeration device with charged fine particles and charged water mist Download PDFInfo
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- CN212681310U CN212681310U CN202021310861.7U CN202021310861U CN212681310U CN 212681310 U CN212681310 U CN 212681310U CN 202021310861 U CN202021310861 U CN 202021310861U CN 212681310 U CN212681310 U CN 212681310U
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Abstract
The utility model relates to an industry fine particle matter of cigarette dust discharges control technical field, especially relates to a fine particle matter reunion device of fine particle matter and water smoke difference lotus-charged. The utility model discloses when fine particles and water smoke charged respectively fine particles reunion device applied, the atomizing liquid drop that fine particles and atomizer produced in the flue gas carried the xenogenesis electric charge under high voltage electrode's effect, the vortex through the vortex post, because of coulomb's power inter attraction each other, collide each other because of the torrent effect, combine, the wetting effect of atomizing liquid drop to fine particles has been improved, adsorption and adhesion characteristic between the fine particles have been improved, the coagulation and reunion effect has been strengthened, the lotus reunion, the atomization is reunited and the torrent is reunited and is promoted each other, make the reunion effect obtain good promotion through multiple coupling synergism, and then reunion into bigger particulate matter, the follow-up desorption effect of equipment to fine particles in the flue gas of deviating from has been strengthened.
Description
Technical Field
The utility model relates to an industry cigarette dust particulate matter discharges control technical field, especially relates to a fine particles thing reunion device of fine particles thing and water smoke difference lotus electricity.
Background
In recent years, haze weather frequently occurs, and the main culprit of the haze weather is fine particles. The fine particles mainly refer to particles (PM2.5) with the kinetic equivalent diameter of less than 2.5 μm, can be suspended in the atmosphere for a long time due to small particle size, can be diffused to a place far away from a pollution source, is extremely harmful due to the fact that the fine particles have trace elements and are easy to enrich a large amount of harmful substances such as polycyclic aromatic hydrocarbon, bacteria and the like, and can cause great damage to the health of people after entering the human body along with breathing. In addition, surface temperature, acid rain settling, atmospheric visibility, and the like can be adversely affected. With the enhancement of environmental awareness of people, the removal of fine particles in smoke generated in the industrial field, particularly the removal of submicron particles, becomes a hot problem for research in related fields.
The fine particulate matter removing pollution control equipment mainly utilizes a separation mechanism of gas-solid, liquid-solid or gas-liquid-solid under a specific condition to collect solid or liquid particulate matters in flue gas, and dust removing equipment commonly used in the industrial field comprises an electric dust removing device, a cloth bag dust removing device, a wet dust removing device, traditional dust removing equipment and the like. The electrostatic dust collection device and the cloth bag dust collection device are most widely applied, the total dust collection efficiency can reach more than 99%, but a penetrating window of 0.1-1 mu m exists, and the particulate matter removal efficiency in the range is greatly reduced.
At present, a particulate agglomeration pretreatment technology is usually adopted, and pretreatment equipment is additionally arranged before a traditional dust remover, so that fine particulates in flue gas are agglomerated and grown into particulates with larger particle size, and then the particulates are effectively removed. Therefore, how to improve the agglomeration effect of fine particles becomes a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a fine particles thing reunion device of fine particles thing and water smoke lotus electricity respectively for improve the reunion effect of fine particles thing.
The utility model discloses a concrete technical scheme as follows:
a fine particle agglomeration device with respectively charged fine particles and water mist comprises a shell, and a gradually-expanding inlet, a fine particle charging section, a charged water mist interception section, a turbulent agglomeration section and a gradually-reducing outlet which are sequentially communicated and arranged in the shell;
the fine particle charging section is provided with a first high-voltage electrode wire, and the first high-voltage electrode wire is connected with a first high-voltage power supply;
the charged water mist intercepting section comprises an atomizing charged device, the top of the atomizing charged device is provided with a water mist inlet end, the atomizing charged device is connected with an atomizer through the water mist inlet end, a second high-voltage electrode wire is arranged in the atomizing charged device and connected with a second high-voltage power supply, and the atomizing charged device is provided with a charged water mist spray pipe;
the turbulent flow agglomeration section is provided with a turbulent flow column;
the first high-voltage power supply and the second high-voltage power supply are respectively an anode high-voltage power supply and a cathode high-voltage power supply in sequence, or the first high-voltage power supply and the second high-voltage power supply are respectively a cathode high-voltage power supply and an anode high-voltage power supply in sequence.
Preferably, the nozzle of the charged water mist spray pipe faces the divergent inlet;
the number of the charged water mist spray pipes is more than two, and the more than two charged water mist spray pipes are horizontally arranged.
Preferably, the top and the bottom of the atomization charging device are both fixed on the shell;
the water mist inlet end is provided with a pipe cover, and the pipe cover is provided with a water mist inlet channel.
Preferably, the number of the first high-voltage electrode wires is more than two, and the more than two first high-voltage electrode wires are arranged in a staggered manner.
Preferably, the number of the atomization charging devices is more than two, and the two atomization charging devices are arranged in a staggered manner.
Preferably, a filling material with insulating and hydrophobic properties is arranged inside the atomization charging device;
the cross-sectional area of the filling material increases from the water mist inlet end to the bottom.
Preferably, the cross sections of the first high voltage electrode wire and the second high voltage electrode wire are fishbone-shaped, circular, star-shaped, sawtooth-shaped or bur-shaped.
Preferably, the number of the turbulence columns is more than two, and the more than two turbulence columns are arranged in a staggered manner;
the cross section of the turbulence column is triangular, circular, Z-shaped, Y-shaped or V-shaped.
Preferably, the atomizer is a double-tube ultrasonic atomizer;
the diameter of the atomized liquid drops generated by the ultrasonic atomizer is 1-5 mu m.
Preferably, the bottom of the atomization charging device is provided with a drain hole;
the inner wall of the atomization charging device is coated with a material with insulating and hydrophobic properties.
The utility model discloses when the fine particle thing of fine particle thing and water smoke difference lotus-charged reunion device is used, the flue gas gets into the fine particle thing reunion device through the gradual expansion entry, the fine particle thing is charged when flowing through first high voltage electrode line, the setting of gradual expansion entry makes flue gas pressure reduce, the velocity of flow reduces, the dead time of fine particle thing in the reunion device increases, the fine particle thing charge time has been increased, the electric charge effect of fine particle thing has been improved, then the fine particle thing in the flue gas and the atomizer produce, the water smoke of different electric charges has taken place the mixed collision on atomizing charge device charge, carry different electric charges because of fine particle thing and water smoke, attract each other under the effect of storehouse power, adsorb together, make the fine particle thing can be better moist by the liquid drop, the adhesion characteristic of fine particle thing has been improved, the adsorption effect between the fine particle thing has been improved, and then turbulent flow is carried out by the turbulent flow columns, so that the turbulent flow effect is further enhanced, collision and agglomeration among fine particles are aggravated, larger particles are further formed, and the agglomerated and grown particles are large fine particle aggregates which can be removed by the conventional dust removal equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic top view of a fine particle agglomeration apparatus in which fine particles and mist are respectively charged according to an embodiment of the present invention;
fig. 2 is a schematic front view of a fine particle agglomeration apparatus in which fine particles and mist are respectively charged according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an embodiment of the present invention, illustrating a fine particle agglomeration apparatus in which fine particles and water mist are charged respectively, wherein a is a charged region of the fine particles; b is a charged water mist intercepting section area; c is a mutual attraction collision area of water mist carrying different charges and fine particles; d is a fine particle aggregation area after water mist evaporation;
fig. 4 is a front cross-sectional view of an atomization charging device in a fine particle agglomeration device in which fine particles and water mist are respectively charged according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a pipe cover in a fine particle agglomeration apparatus in which fine particles and water mist are respectively charged according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a first high-voltage electrode wire in a fine particle agglomeration apparatus in which fine particles and water mist are respectively charged according to an embodiment of the present invention, when the cross section of the first high-voltage electrode wire is in a fishbone shape;
illustration of the drawings: 1. a divergent entrance; 2. a housing; 3. a tapered outlet; 4. a first high voltage electrode line; 5. an atomizing charge device; 5a, atomizing charging device shell; 5b, a tube cover; 5c, a second high-voltage electrode wire fixing device; 5d, a second high-voltage electrode wire; 5e, a charged water mist spray pipe; 5f, filling materials; 5g, a drain hole; 5h, a water mist inlet channel; 6. a turbulence column; 7. an atomizer; 8. a first high voltage power supply; 9. a second high voltage power supply; 10. a waste water discharge port; 11. and a ground line.
Detailed Description
The embodiment of the utility model discloses fine particles thing reunion device of fine particles thing and water smoke lotus of charge respectively for improve fine particles's reunion effect.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
Referring to fig. 1 to 3, fig. 1 is a schematic view of a top view of a fine particle agglomeration apparatus with a fine particle and a mist respectively charged according to an embodiment of the present invention, fig. 2 is a schematic view of a fine particle agglomeration apparatus with a fine particle and a mist respectively charged according to an embodiment of the present invention, and fig. 3 is a schematic view of a working principle of a fine particle agglomeration apparatus with a fine particle and a mist respectively charged according to an embodiment of the present invention.
The embodiment of the utility model provides an embodiment of a fine particle thing reunion device of fine particle thing and water smoke charge respectively, including casing 2 and locate in casing 2 and communicate gradually that set up gradually entrance 1, fine particle thing electric charge section, electric charge water smoke hold-off section, torrent reunion section and convergent export 3 in proper order;
the fine particle charging section is provided with a first high-voltage electrode wire 4, and the first high-voltage electrode wire 4 is connected with a first high-voltage power supply 8;
the charged water mist intercepting section comprises an atomizing charged device 5, the top of the atomizing charged device 5 is provided with a water mist inlet end, the atomizing charged device 5 is connected with an atomizer 7 through the water mist inlet end, a second high-voltage electrode wire 5d is arranged inside the atomizing charged device 5, the second high-voltage electrode wire 5d is connected with a second high-voltage power supply 9, and the atomizing charged device 5 is provided with a charged water mist spray pipe 5 e;
the turbulent flow agglomeration section is provided with a turbulent flow column 6;
the first high voltage power supply 8 and the second high voltage power supply 9 are respectively an anode high voltage power supply and a cathode high voltage power supply in sequence, or the first high voltage power supply 8 and the second high voltage power supply 9 are respectively a cathode high voltage power supply and an anode high voltage power supply in sequence.
The embodiment of the utility model provides a when the fine particle thing reunion device of fine particle thing and water smoke difference lotus electricity is used, the flue gas gets into the fine particle thing reunion device through gradual expansion entry 1, the fine particle thing is charged when flowing through the fine particle thing electric charge section of arranging first high voltage electrode line 4, the setting of gradual expansion entry 1 makes the flue gas pressure reduce, the velocity of flow reduces, the dead time of fine particle thing in the fine particle thing reunion device increases, fine particle thing electric charge time has been increased, the electric charge effect of fine particle thing has been improved, then the fine particle thing in the flue gas is produced at electric charge water smoke interception section and atomizer 7, the water smoke of the xenogenesis electric charge has taken place to mix and collide at atomizing electric charge device 5, carry the xenogenesis electric charge because of fine particle thing and water smoke, mutual attraction each other under the effect of storehouse power, adsorb together, make the fine particle thing can be by the better, the adhesion characteristic of fine particles has been improved, the adsorption effect between the fine particles is improved, 6 vortex of vortex post through the torrent reunion section again, the turbulence effect has further been strengthened, the collision reunion between each other of fine particles has been aggravated, water smoke and fine particles inter attraction under the torrent effect, the collision aggravation, the effect of congealing and reuniting has further been strengthened, and then form bigger granule, the granule that reunion grows up is for the great fine particles aggregate that can be by the desorption of current dust collecting equipment, reunion long fine particles aggregate is discharged from convergent export 3, get into subsequent remove device.
The embodiment of the utility model provides a fine particles reunion device structural design is reasonable, and fine particles and water smoke are lotus electrically respectively, and the xenogenesis electric charge is gone up in addition, strengthens attraction and adhesion effect each other. The technology of electric agglomeration, atomization adsorption, turbulent agglomeration and the like are combined, and the agglomeration effect of fine particles in the flue gas is well enhanced by utilizing the multiple coupling synergistic effect.
The above is to carry out the detailed description to an embodiment of the fine particle thing reunion device that fine particle thing and water smoke charged respectively that the embodiment of the utility model provides, and the following will be to carry out the detailed description to another embodiment of the fine particle thing reunion device that fine particle thing and water smoke charged respectively that the embodiment of the utility model provides.
Referring to fig. 1 to 6, fig. 4 is a front cross-sectional view of an atomization charging device 5 in a fine particle agglomeration device in which fine particles and mist are respectively charged, fig. 5 is a schematic structural view of a tube cap 5b in the fine particle agglomeration device in which fine particles and mist are respectively charged, and fig. 6 is a schematic structural view of a first high-voltage electrode wire 4 in the fine particle agglomeration device in which fine particles and mist are respectively charged, the cross-section of the first high-voltage electrode wire being in a fishbone shape.
The embodiment of the utility model provides another embodiment of a fine particle thing reunion device of fine particle thing and water smoke charge respectively, including casing 2 and lie in casing 2 and communicate gradually the divergent entrance 1, fine particle thing electric charge section, the water smoke of electric charge interception section, torrent reunion section and the convergent export 3 that set up in proper order;
the fine particle charging section is provided with a first high-voltage electrode wire 4, and the first high-voltage electrode wire 4 is connected with a first high-voltage power supply 8;
the charged water mist intercepting section comprises an atomizing charged device 5, the top of the atomizing charged device 5 is provided with a water mist inlet end, the atomizing charged device 5 is connected with an atomizer 7 through the water mist inlet end, a second high-voltage electrode wire 5d is arranged inside the atomizing charged device 5, the second high-voltage electrode wire 5d is connected with a second high-voltage power supply 9, and the atomizing charged device 5 is provided with a charged water mist spray pipe 5 e;
the turbulent flow agglomeration section is provided with a turbulent flow column 6;
the first high voltage power supply 8 and the second high voltage power supply 9 are respectively an anode high voltage power supply and a cathode high voltage power supply in sequence, or the first high voltage power supply 8 and the second high voltage power supply 9 are respectively a cathode high voltage power supply and an anode high voltage power supply in sequence.
The embodiment of the utility model provides a fine particles of fine particles and water smoke respectively lotus during reunion device uses, the atomizing liquid drop that fine particles and atomizer 7 in the flue gas produced carries the xenogenesis electric charge under high voltage electrode's effect, through the vortex of vortex post 6, attract each other because of coulomb's force each other, because of turbulence effect collision each other, combine, the wetting effect of atomizing liquid drop to fine particles has been improved, adsorption and adhesion characteristic between the fine particles have been improved, the coagulation and reunion effect has been strengthened, the lotus is reunited, the atomization is reunited and is reunited mutually promotion each other with the torrent, make reunion effect obtain good promotion through multiple coupling synergism, and then reunion into bigger particulate matter, the follow-up desorption effect of deviating from fine particles in the equipment to the flue gas has been strengthened.
In the embodiment of the utility model, the charged water mist spray pipe 5e is arranged on the shell 5a of the atomization charging device and is connected with the inner cavity of the atomization charging device 5;
the nozzle of the charged water mist spray pipe 5e faces the gradually-expanded inlet 1, namely faces the source direction of the flue gas, the water mist and the flue gas form convection, the collision probability between fine particulate matters and the water mist is improved, and the interception effect of the water mist on the fine particulate matters is enhanced;
the number of the charged water mist spray pipes 5e is more than two, and the more than two charged water mist spray pipes 5e are horizontally arranged.
In the embodiment of the utility model, the top and the bottom of the atomizing charging device 5 are both fixed on the shell 2;
the water mist inlet end is provided with a pipe cover 5b, the pipe cover 5b is provided with water mist inlet channels 5h, the number of the water mist inlet channels 5h is more than two, the water mist inlet channels 5h are connected with an atomizer 7, and the atomizer 7 provides atomized liquid drops for the atomization charging device 5.
The embodiment of the utility model provides an in, the quantity of first high tension electrode line 4 is more than two, and first high tension electrode line 4 is the staggered arrangement more than two, can improve the lotus electric effect of fine particles thing.
The embodiment of the utility model provides an in, atomizing lotus electric installation 5's quantity is more than two, and atomizing lotus electric installation 5 more than two is the staggered arrangement, has the vortex effect to the flue gas, has increased the disturbance of flue gas in the runner for collision between the fine particles increases.
In the embodiment of the utility model, the atomizing charging device 5 is internally provided with a filling material 5f with insulating and hydrophobic properties, and the filling material 5f can be organic glass or tetrafluoroethylene;
the sectional area of the filling material 5f increases progressively from the inlet end to the bottom of the water mist, and the pressure drop caused by the reduction of the water mist amount can be balanced.
In the embodiment of the present invention, the cross-section of the first high voltage electrode wire 4 and the second high voltage electrode wire 5d is fishbone-shaped, circular, star-shaped, saw-tooth-shaped or bur-shaped, preferably fishbone-shaped. When the first high voltage electrode wire 4 and the second high voltage electrode wire 5d are in the shape of a fishbone needle, the central material is preferably copper or 304 stainless steel, and the peripheral bone needle is preferably made of stainless steel.
Further, the centers of the first high-voltage electrode wire 4 and the second high-voltage electrode wire 5d adopt 4-6 mm cylindrical copper wires or stainless steel wires, the first high-voltage electrode wire 4 is in a fishbone needle shape, and an included angle between every two adjacent fishbone needles is 90 degrees. It should be noted that the number of the fishbone needles can be adjusted according to the needs, the fishbone needles in different layers are arranged in a staggered manner, the discharge tips are in a pointed shape, and the length of the discharge tips can be correspondingly adjusted according to the arrangement interval of the first high-voltage electrode wires 4.
Furthermore, 3-5 first high-voltage electrode wires are uniformly arranged in each row, and 2-4 first high-voltage electrode wires are arranged in staggered rows;
2-4 atomization charged devices are uniformly arranged in each row, 1-3 atomization charged devices are arranged in staggered rows, 6-8 circular holes with the diameter of 50-60 mm are formed in one side of a shell 5a of each atomization charged device, and an electric charge water mist spray pipe 5e is welded.
In the embodiment of the utility model, the number of the turbulence columns 6 is more than two, the turbulence columns 6 are arranged in a staggered manner, the disturbance of flue gas is enhanced, the collision probability of fine particles is improved, the agglomeration effect is improved, both ends of the turbulence columns 6 are connected with the shell 2, the turbulence columns 6 can adopt a detachable fixing part such as a bolt and a nut to be connected with the shell 2, and also can adopt a welding mode to be connected with the shell 2;
the cross section of the turbulence column 6 is triangular, circular, Z-shaped, Y-shaped or V-shaped, the triangular is preferred, and the material of the turbulence column 6 is preferably fluoroplastic.
Furthermore, the turbulence columns 6 are triangular prisms with side lengths of 60-70 mm, 5-8 turbulent flow columns are uniformly arranged in each row, and 6-7 turbulent flow columns are arranged in a staggered manner.
It should be noted that the turbulators 6 may also be arranged in an orderly array or other arrangements.
In the embodiment of the utility model, the atomizer 7 is a double-tube ultrasonic atomizer 7;
the diameter of a mist outlet of the ultrasonic atomizer 7 is 100-110 mm, the diameter of atomized liquid drops generated by the ultrasonic atomizer 7 is 1-5 microns, and the atomized liquid drops are easy to charge and wet fine particles.
It should be noted that the number of the double-tube ultrasonic atomizers 7 is two or more as necessary to meet the requirement of the atomizing charging device 5, and the number of the double-tube ultrasonic atomizers 7 can be adjusted according to actual needs.
The embodiment of the utility model provides a when fine particles thing and the water smoke charged respectively fine particles thing reunion device uses, the temperature of the atomizing liquid drop that atomizer 7 produced is less than the flue gas temperature.
In the embodiment of the utility model, the bottom of the atomizing charge device 5 is provided with the drain hole 5g, the drain hole 5g can discharge condensed water, accumulated water can be effectively discharged under the action of gravity, and the phenomenon that the amount of water mist at the bottom of the atomizing charge device 5 reduces the pressure reduction is compensated, so that the atomizing charge device 5 can stably operate;
the inner wall of the atomization charging device 5 is coated with a material with insulating and hydrophobic properties, so that water mist cannot be adsorbed on the inner wall of the atomization charging device 5.
Further, a divergent inlet 1, a fine particle charging section, a charged water mist interception section, a turbulent flow agglomeration section and a convergent outlet 3 are sequentially arranged from left to right;
the first high-voltage electrode wire 4 is arranged at the center of a charged section of fine particles, the atomization charging device 5 is arranged at the center of the charged water mist intercepting section, the atomization charging device 5 is vertically arranged at the charged water mist intercepting section, the second high-voltage electrode wire 5d is arranged at the center of the atomization charging device 5, and the second high-voltage electrode wire 5d is fixed through the second high-voltage electrode wire fixing device 5c. The sectional area of the filling material 5f is preferably increased from the two thirds position of the atomizing charged device 5 from top to bottom, the sectional area of the inlet end of the water mist is small, the sectional area of the end of the drain hole 5g is large, the sectional area of the filling material 5f is increased along the flowing direction of the water mist, the filling material almost completely fills the inside of the atomizing charged device 5 from the lower end, and the water mist discharge pressure is increased while the water discharge is facilitated.
Furthermore, the drain holes 5g do not directly discharge the wastewater out of the charged water mist interception section, but discharge the wastewater through the wastewater discharge port 10 after flowing through the bottom of the charged water mist interception section, so that the device has a certain function of cleaning fine particulate matters settled at the bottom of the charged water mist interception section, and meanwhile, the discharge port is lower than the bottom of the charged water mist interception section, has a certain space for storing the wastewater, and avoids flue gas leakage caused by drainage.
Further, the shell 2 and the shell 5a of the atomization charging device are connected with the grounding wire 11, so that safety accidents caused by static electricity and electric leakage are avoided, the safety performance is improved, the safety of the fine particle agglomeration device is ensured, and charged particles and water mist are prevented from being adsorbed on the shell 2.
Referring to fig. 3, in the operation of the fine particle agglomeration apparatus of the present invention, the fine particles in the flue gas and the water mist collide with each other and agglomerate, and mainly go through the following stages:
1) the flue gas enters the shell 2 from the gradually-expanded inlet 1, the flow speed of the flue gas is reduced, the dead time in the fine particle agglomeration device is increased, the charging of the following fine particles and the full collision and agglomeration with water mist are facilitated, and the growth of agglomerated fine particles is promoted;
2) after entering the divergent inlet 1, the flue gas firstly passes through the fine particle charging section, and the surface of the fine particles is charged with positive charges under the action of a high-voltage electric field, as shown in fig. 3A; meanwhile, the water mist generated by the atomizer 7 at the charged water mist interception section is negatively charged in the atomizing charging device 5, as shown in fig. 3B;
3) the flue gas fine particles enter the charged water mist interception section after passing through the fine particle charging section, the orifice of the charged water mist spray pipe 5e faces the gradually-expanded inlet 1, the sprayed water mist and the flue gas fine particles form convection, and the fine particles and the water mist fully collide; meanwhile, the water mist and the fine particulate matters carry different charges, and the liquid drops also have certain surface viscous force, so that the water mist and the fine particulate matters are mutually attracted and adhered together, as shown in fig. 3C;
4) finally, the water mist and the fine particles pass through a turbulence agglomeration section, turbulence formed by the turbulence column 6 enables collision between the water mist and the fine particles to be more violent and mixing to be more sufficient, agglomeration is grown to be larger fine particles, and after the water mist is evaporated, a fine particle agglomeration state shown in fig. 3D is formed.
It is right above the utility model provides a fine particles thing and water smoke are the fine particles thing of lotus respectively reunion device of lotus has carried out detailed introduction, to the general technical personnel in this field, according to the utility model discloses the thought of embodiment all has the change part on concrete implementation and application scope, to sum up, this description content should not be understood as right the utility model discloses a restriction.
Claims (10)
1. A fine particle agglomeration device with respectively charged fine particles and water mist is characterized by comprising a shell, and a gradually-expanding inlet, a fine particle charging section, a charged water mist interception section, a turbulent agglomeration section and a gradually-reducing outlet which are sequentially communicated and arranged in the shell;
the fine particle charging section is provided with a first high-voltage electrode wire, and the first high-voltage electrode wire is connected with a first high-voltage power supply;
the charged water mist intercepting section comprises an atomizing charged device, the top of the atomizing charged device is provided with a water mist inlet end, the atomizing charged device is connected with an atomizer through the water mist inlet end, a second high-voltage electrode wire is arranged in the atomizing charged device and connected with a second high-voltage power supply, and the atomizing charged device is provided with a charged water mist spray pipe;
the turbulent flow agglomeration section is provided with a turbulent flow column;
the first high-voltage power supply and the second high-voltage power supply are respectively an anode high-voltage power supply and a cathode high-voltage power supply in sequence, or the first high-voltage power supply and the second high-voltage power supply are respectively a cathode high-voltage power supply and an anode high-voltage power supply in sequence.
2. The fine particle agglomeration apparatus of claim 1, wherein the orifice of the electrically charged mist nozzle is directed towards the divergent inlet;
the number of the charged water mist spray pipes is more than two, and the more than two charged water mist spray pipes are horizontally arranged.
3. The fine particle agglomeration apparatus of claim 1, wherein the atomizing charging device is fixed to the housing at both the top and the bottom;
the water mist inlet end is provided with a pipe cover, and the pipe cover is provided with a water mist inlet channel.
4. The fine particle agglomeration apparatus according to claim 1, wherein the number of the first high voltage electrode wires is two or more, and the two or more first high voltage electrode wires are arranged in a staggered manner.
5. The fine particle agglomeration apparatus according to claim 1, wherein the number of the atomizing charged devices is two or more, and the two or more atomizing charged devices are arranged in a staggered manner.
6. The fine particle agglomeration apparatus of claim 1, wherein the atomizing charging device is internally provided with a filling material having insulating and hydrophobic properties;
the cross-sectional area of the filling material increases from the water mist inlet end to the bottom.
7. The fine particle agglomeration apparatus of claim 1, wherein the first high voltage electrode wire and the second high voltage electrode wire have a fishbone needle shape, a circular shape, a star shape, a saw-tooth shape, or a barbed shape in cross section.
8. The fine particle agglomeration apparatus of claim 1, wherein the number of the turbulence columns is two or more, and the two or more turbulence columns are arranged in a staggered manner;
the cross section of the turbulence column is triangular, circular, Z-shaped, Y-shaped or V-shaped.
9. The fine particle agglomeration apparatus of claim 1, wherein the atomizer is a double-tube ultrasonic atomizer;
the diameter of the atomized liquid drops generated by the ultrasonic atomizer is 1-5 mu m.
10. The fine particle agglomeration apparatus according to claim 1, wherein a drain hole is formed at the bottom of the atomization charging device;
the inner wall of the atomization charging device is coated with a material with insulating and hydrophobic properties.
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| CN114353122A (en) * | 2022-01-23 | 2022-04-15 | 西北工业大学 | Combustion chamber flame cylinder wall laminate cooling structure with Y-shaped turbulence columns |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353122A (en) * | 2022-01-23 | 2022-04-15 | 西北工业大学 | Combustion chamber flame cylinder wall laminate cooling structure with Y-shaped turbulence columns |
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