CN111804164A - Multistage gas-liquid mixing device - Google Patents
Multistage gas-liquid mixing device Download PDFInfo
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- CN111804164A CN111804164A CN202010815766.0A CN202010815766A CN111804164A CN 111804164 A CN111804164 A CN 111804164A CN 202010815766 A CN202010815766 A CN 202010815766A CN 111804164 A CN111804164 A CN 111804164A
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- 239000007788 liquid Substances 0.000 title claims abstract description 120
- 239000000203 mixture Substances 0.000 claims abstract description 65
- 239000011521 glass Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 42
- 238000009826 distribution Methods 0.000 claims description 26
- 238000004659 sterilization and disinfection Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 238000012546 transfer Methods 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- QXJJQWWVWRCVQT-UHFFFAOYSA-K calcium;sodium;phosphate Chemical compound [Na+].[Ca+2].[O-]P([O-])([O-])=O QXJJQWWVWRCVQT-UHFFFAOYSA-K 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
- B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
Abstract
The invention relates to a multistage gas-liquid mixing device, comprising: the pipeline comprises a pipeline body, and a first mixing part, a second mixing part and a third mixing part which are positioned in the pipeline body; the first mixing part comprises a liquid inlet arranged on the side wall of the air inlet end of the pipeline body, and the liquid inlet is tangent to the pipeline body; the second mixing part comprises a plurality of cylindrical cavities extending in the radial direction and glass balls filling the cylindrical cavities; the third mixing part comprises a conical cavity communicated with the cylindrical cavity, and the longitudinal section area of the conical cavity is increased from the direction close to the cylindrical cavity to the direction far away from the cylindrical cavity; after air is introduced into the pipeline body, liquid tangentially enters the liquid inlet to form rotational flow, and air is cut to form a primary mixture; after the first-stage mixture enters the cylindrical cavity, the first-stage mixture is extruded and cavitated by the glass balls to form a second-stage mixture; the secondary mixture flows along the conical cavity and is cut into a tertiary mixture when being sprayed out from the large-caliber part of the conical cavity; the invention has better mixing efficiency through three-stage mixing and is suitable for the work needing sterilization and disinfection in various ranges.
Description
Technical Field
The invention relates to the technical field of gas-liquid mixing, in particular to a multistage gas-liquid mixing device.
Background
At present, the gas-liquid mixing modes widely applied in the market comprise a static mixer, a venturi tube, an ejector, a gas-liquid mixing pump and the like. The static mixer is widely used due to the advantages of no need of power, small investment, large production capacity and the like, but has lower mass transfer efficiency; the venturi tube is similar to the ejector, and the gas and the liquid are mixed by sucking gas by utilizing negative pressure formed by rapid flow of the liquid, power is not needed, but for insoluble gas, the mixing efficiency of gas and liquid phases is not high; the gas-liquid mixing pump mixes liquid and gas through the rotatory pump impeller of high speed, pressurizes simultaneously and improves the mixing effect, and the shortcoming needs the external power that provides, has certain energy consumption. Therefore, a novel multistage gas-liquid mixing device which is high in mixing efficiency and does not need energy supply is provided.
Disclosure of Invention
The invention aims to provide a multistage gas-liquid mixing device.
The technical scheme adopted by the invention for solving the technical problem is as follows: a multi-stage gas-liquid mixing device comprising: the pipeline comprises a pipeline body, and a first mixing part, a second mixing part and a third mixing part which are positioned in the pipeline body;
the first mixing part comprises a liquid inlet arranged on the side wall of the air inlet end of the pipeline body, and the liquid inlet is tangent to the pipeline body;
the second mixing part comprises a plurality of cylindrical cavities extending in the radial direction and glass balls filling the cylindrical cavities;
the third mixing part comprises a conical cavity communicated with the cylindrical cavity, and the longitudinal section area of the conical cavity is increased from the direction close to the cylindrical cavity to the direction far away from the cylindrical cavity; wherein
After air is introduced into the pipeline body, liquid tangentially enters the liquid inlet to form rotational flow, and the air is cut to form a primary mixture;
after the primary mixture enters the cylindrical cavity, the primary mixture is extruded and cavitated by the glass balls to form a secondary mixture;
the first-stage secondary mixture flows along the conical cavity and is cut into a tertiary mixture when being sprayed out from the large-caliber part of the conical cavity.
Preferably, the pipeline body comprises a first pipe body and a second pipe body which are fixed with each other;
the liquid inlet is arranged on the side wall of the first pipe body and is fixedly connected with a liquid inlet pipe, wherein
The liquid is tangentially introduced into the first pipe body, and a rotational flow is formed inside the first pipe body.
Preferably, a first end plate and a second end plate are respectively arranged at two ends of the first pipe body, the first end plate is connected with the first pipe body through a hoop, and the first pipe body and the second end plate are connected with the second pipe body through a hoop;
the middle part of the first end plate is provided with an air inlet;
a liquid outlet is formed in the middle of the second end plate; wherein
And air enters the first pipe body from the air inlet and is cut by the rotational flow to form the primary mixture, and then is discharged into the second pipe body through the liquid outlet.
Preferably, one end of the second pipe body, which is close to the first pipe body, is inwards concavely provided with a cavity;
each cylindrical cavity is communicated with the cavity, and the liquid outlet is communicated with the cavity, wherein
After the primary mixture passes through the liquid outlet and enters the cavity, the first mixture is shunted to enter each cylindrical cavity and is extruded by the glass balls.
Preferably, a grating plate is arranged at the opening of the cylindrical cavity, wherein
The grating plate can block the glass balls from sliding out of the corresponding cylindrical cavities.
Preferably, a fixed block is integrally arranged on the inner wall of the second pipe body, the cylindrical cavity is formed in one end of the fixed block, and the conical cavity is formed in the other end of the fixed block;
and a water distributor is arranged at the position of the large caliber of the conical cavity, wherein
And the tertiary mixture flowing out of the conical cavity is sprayed out through the water distributor.
Preferably, the water distributor comprises a water distribution body which is rotatably connected with the fixed block, and the cross section of the water distribution body is conical;
the area between the water distribution body and the second pipe body is a water distribution cavity,
the minimum clearance between the water distribution body and the second pipe body is a circular ring clearance, wherein
And after the tertiary mixture flows out of the conical cavity to the water distribution cavity, the tertiary mixture is sprayed out through the annular gap.
Preferably, the inner diameter of the first pipe body is d, and the inner diameter of the liquid inlet pipe is d1The length of the first pipe body is L1Wherein
d1=0.2~0.3d，L1=1.2~1.5d1。
Preferably, the length of the cavity is L2，L2= 0.15-0.2 d; the inner diameter of each cylindrical cavity is d2，The second mixing part has a length L3All glass spheres have a diameter of d3，d2=0.3d，L3=1.5~2.0d2，d3=0.4d2。
Preferably, the diameter of each small opening of the conical cavity is d4Each of the large opening diameters of the conical cavities is d5，d4=0.2d2，d5=5.0~6.0d4(ii) a The width of the circular ring gap is w, the water distribution angle of the water distributor is theta, w =0.5mm, and theta = 90-120 degrees.
The invention has the beneficial effects that: according to the multistage gas-liquid mixing device, the gas-liquid mixing effect is realized through the arrangement of the three-stage mixing part, the primary mixing of gas and liquid is realized through the first mixing part, the primarily mixed mixture is mixed again through the second mixing part, and the gas-liquid mixture is finally mixed through the third mixing part, so that the gas-liquid mixing effect is enhanced step by step, and the dissolution rate and the mass transfer efficiency of gas can be obviously improved; the invention has simple structure and easy assembly, and can be used in parallel when the water inflow is large; through the mixed effect of tertiary setting, can the wide application need the work of disinfecting in various fields.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a perspective view of a multi-stage gas-liquid mixing apparatus according to the present invention;
FIG. 2 is a schematic structural view of a multi-stage gas-liquid mixing device according to a preferred embodiment of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a left side view of a multi-stage gas-liquid mixing apparatus of the present invention;
FIG. 5 is a perspective view of a second mixing section according to the present invention;
fig. 6 is a perspective view of a grid plate of the present invention.
In the figure:
a first mixing part 1, a liquid inlet 12, a liquid inlet pipe 121, a first end plate 130, a second end plate 131, a gas inlet 14, a liquid outlet 15 and a clamp 16;
the second mixing part 2, the cylindrical cavity 21, the glass balls 22, the cavity 23, the grating plate 231 and the fixing block 24;
the third mixing part 3, the conical cavity 31, the water distributor 32, the water distribution cavity 321, the water distribution body 322 and the annular gap 323;
the pipeline body 4, the first pipe 41 and the second pipe 42.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1 to 6, a multistage gas-liquid mixing device of the present invention includes: a duct body 4 and a first mixing part 1, a second mixing part 2 and a third mixing part 3 located inside the duct body 4; the first mixing part 1 comprises a liquid inlet 12 arranged on the side wall of the air inlet end of the pipeline body 4, and the liquid inlet 12 is tangential to the pipeline body 4; the second mixing part 2 comprises a plurality of cylindrical cavities 21 extending in the radial direction and glass balls 22 filling the cylindrical cavities 21; the third mixing part 3 comprises a conical cavity 31 communicated with the cylindrical cavity 21, and the longitudinal cross-sectional area of the conical cavity 31 is increased from the part close to the cylindrical cavity 21 to the part far away from the cylindrical cavity 21; after air is introduced into the pipeline body 4, liquid tangentially enters the liquid inlet 12 to form rotational flow, and the air is cut to form a primary mixture; after liquid enters the pipeline body 4 through the liquid inlet 12 arranged tangentially, rotational flow is formed in the pipeline body 4, negative pressure is formed in the pipeline body 4 by the rotational flow liquid, air entering from the air inlet end is sucked into the rotational flow liquid to form an air column, the air column and the rotational flow liquid are mutually cut at the liquid outlet end to form a plurality of bubbles, and the gas is primarily dissolved in the liquid to form a primary mixture; after the primary mixture enters the cylindrical cavity 21, the primary mixture is extruded and cavitated by the glass balls 22 to form a secondary mixture; when the first-order mixture is blocked by the glass ball 22, the pressure is instantly increased, the pressure is continuously reduced along with the increasing speed in the process of flowing through the surface of the glass ball 22, and finally the cavitation is realized when the pressure is reduced to be lower than the saturated vapor pressure on a liquid-solid interface, so that a second-order mixture is formed; the secondary mixture flows along the conical cavity 31 and is cut into a tertiary mixture when being sprayed out from the large-caliber part of the conical cavity 31; the second-stage mixture enters a small-caliber part of the conical cavity 31 from the cylindrical cavity 21 with a larger caliber to generate instantaneous high pressure, the pressure is continuously reduced along with the increase of the caliber of the conical cavity 31, finally, the liquid and the bubbles are mutually cut at a large-caliber part of the conical cavity 31 again, and the particle size of the bubbles is further reduced to form a third-stage mixture; through the setting of three mixing portion, realized the effect of gas-liquid mixture, strengthened the gas-liquid mixture effect step by step through whirl, glass ball 22 and tapered cavity 31, showing the dissolution rate and the mass transfer efficiency that have improved gas.
Optionally, the pipe body 4 comprises a first pipe body 41 and a second pipe body 42 fixed to each other; chucks are provided at both ends of the first pipe body 41 and the second pipe body 42, the first pipe body 41 is combined with the chucks to form an i-shape, the second pipe 42 is combined with the chuck to form an i-shape, the liquid inlet 12 is arranged on the side wall of the first pipe 41, the liquid inlet 12 is fixedly connected with a liquid inlet pipe 121, the liquid inlet pipe 121 is also provided with threads which are convenient for other pipelines to be connected with the liquid inlet pipe 121, wherein, the liquid is tangentially introduced into the first pipe body 41, and forms a rotational flow inside the first pipe body 41, the liquid tangentially enters the inner wall of the first pipe body 41 through the liquid inlet pipe 121 and flows, only the tangentially entering liquid flows along the inner wall of the first pipe body 41 to form a rotational flow, after forming the rotational flow, a negative pressure is generated at the center of the pipeline of the first pipe body 41, which is beneficial to sucking air to form an air column, and the rotational liquid and the air column are easy to be cut and mixed at the liquid outlet end; the liquid inlet pipe 121 disposed at other angles is not in favor of forming a rotational flow with the liquid on the inner wall of the first pipe 41, so that the gas column cannot be formed by sucking the gas.
Optionally, a first end plate 130 and a second end plate 131 are respectively disposed at two ends of the first pipe 41, specifically, the first end plate 130 is adapted to a chuck at one side of the first pipe 41, the second end plate 131 corresponds to a chuck at the other side of the first pipe and a chuck at one side of the second pipe 42, and the first end plate 130 is connected to the first pipe 41 through a clamp 16, that is, the clamp 16 is connected to end surfaces of the first end plate 130 and the chuck at one side of the first pipe 41, and the first pipe 41, the second end plate 131 and the second pipe 42 are connected through the clamp 16, that is, the clamp 16 is connected to end surfaces of the chuck at the other side of the first pipe 41 and the chuck at one side of the second pipe 42; the first pipe body 41 and the second pipe body 42 are connected through the hoop 16, and a plurality of the pipe bodies can be connected in parallel for use when the water inflow is large, so that the arrangement structure is simple and the assembly is easy; the middle part of the first end plate 130 is provided with an air inlet 14; a liquid outlet 15 is formed in the middle of the second end plate 131; the gas inlet 14 and the liquid outlet 15 correspond to each other and are positioned on the same central line, so that air entering from the gas inlet 14 is well mixed with liquid entering from the liquid inlet 12, and the cross section of the liquid outlet 15 is also in a tapered structure from small to large, so that a primary mixture can be cut at the position of the liquid outlet 15, and the dissolution rate and the mass transfer efficiency of gas are further improved; wherein the air enters the first tube 41 from the air inlet 14, is cut by the swirling flow to form the primary mixture, and then is discharged into the second tube 42 through the liquid outlet 15. After liquid enters the first pipe body 41 through the tangentially arranged liquid inlet pipe 121, rotational flow is formed in the first pipe body 41, negative pressure is formed in the rotational flow liquid in the first pipe body 41, air is sucked from the air inlet 14 to form an air column, the liquid outlet 15 and the air inlet 14 are located on the same central line, the rotational flow liquid and the air column collide at the liquid outlet 15 and are mutually cut, and the contact area of the air column and the liquid can be increased through the arrangement, so that the mixing effect is enhanced.
Optionally, a cavity 23 is formed at one end of the second tube 42 close to the first tube 41 and is recessed inwards; each cylindrical cavity 21 is in communication with the cavity 23 and the liquid outlet 15 is in communication with the cavity 23, wherein after the primary mixture passes through the liquid outlet 15 into the cavity 23, the first mixture is split into the cylindrical cavities 21 and extruded by the glass spheres 22. The number of the cylindrical cavities 21 is four, the opening of the cylindrical cavity 21 is provided with a grid plate 231, the grid plate 231 is a honeycomb grid plate 231, and the grid plate 231 can block the glass balls 22 from sliding out of the corresponding cylindrical cavity 21. After the primary mixture enters the cavity 23 through the liquid outlet 15, the first mixture is uniformly distributed into each cylindrical cavity 21 through the cavity 23 to achieve the distribution effect, so that each part of the first mixture can rapidly flow on the surface 22 of the glass ball in a smaller flow cross section at a higher speed, and the dissolution rate and mass transfer efficiency of gas in liquid are improved; by providing the grating plate 231 in the cavity 23, not only the bubbles of the first mixture can be divided into smaller ones, but also the glass beads 22 can be fixed and limited.
Optionally, a fixed block 24 is integrally arranged on the inner wall of the second pipe 42, the cylindrical cavity 21 is arranged at one end of the fixed block 24, and the conical cavity 31 is arranged at the other end of the fixed block 24; and a water distributor 32 is arranged at the position of the large caliber of the conical cavity 31, wherein the tertiary mixture flowing out of the conical cavity 31 is sprayed out through the water distributor 32. The conical cavities 31 and the cylindrical cavities 21 are in one-to-one correspondence and are positioned on the same central line, instantaneous high pressure can be generated when the secondary mixture enters the small aperture of the conical cavity 31 from the cylindrical cavity 21 with the larger aperture, the pressure is continuously reduced along with the increasing aperture, finally, the liquid and the bubbles are mutually cut again at the large aperture of the conical cavity 31, and the bubble particle size is further reduced, so that the effect of three-stage mixing is realized.
Preferably, the water distributor 32 includes a water distribution body 322 rotatably connected to the fixing block 24, and the cross section of the water distribution body 322 is conical; the area between the water distribution body 322 and the second pipe 42 is a water distribution cavity 321, the minimum gap between the water distribution body 322 and the second pipe 42 is an annular gap 323, wherein the tertiary mixture is ejected through the annular gap 323 after flowing out from the conical cavity 31 to the water distribution cavity 321. The water distribution body 322 and the fixing block 24 are fixedly inserted to realize rotation, the arrangement is favorable for replacing the water distribution body 322 with different annular gaps 323 to obtain different spraying effects, and is also favorable for disassembly and maintenance for cleaning the blocked water distributor 32.
Preferably, the inner diameter of the first pipe 41 is d, and the inner diameter of the liquid inlet pipe 121 is d1The length of the first tube 41 is L1Wherein d is1=0.2~0.3d，L1=1.2~1.5d1。
Preferably, the length of the cavity 23 is L2，L2= 0.15-0.2 d; the inner diameter of each cylindrical cavity 21 is d2，The second mixing part 2 has a length L3The diameters of the glass balls 22 are d3，d2=0.3d，L3=1.5~2.0d2，d3=0.4d2。
Preferably, each of said tapered chambersThe diameters of the small openings 31 are d4, and the diameters of the large openings of the conical cavities 31 are d5，d4=0.2d2，d5=5.0~6.0d4(ii) a The width of the annular gap 323 is w, the water distribution angle of the water distributor 32 is theta, w =0.5mm, and theta = 90-120 degrees.
The working principle is as follows:
after entering the first pipe body 41 through the tangentially arranged liquid inlet 12, the liquid rotates and flows on the inner wall of the first pipe body 41 to form a rotational flow, the rotational flow liquid generates negative pressure at the central axis of the first pipe body 41 and sucks air from the air inlet 14 to form an air column, the air column and the rotational flow liquid are cut into a plurality of bubbles at the liquid outlet 15, and the gas is primarily dissolved in the liquid to form a primary mixture; the primary mixture is uniformly distributed to each cylindrical cavity 21 at the position of the cavity 23, when the primary mixture is placed in the cylindrical cavities and blocked by a plurality of glass balls 22, the pressure is instantly increased, the pressure is continuously reduced along with the increase of the speed in the process of flowing through the surfaces of the glass balls 22, and finally the cavitation is realized when the pressure is reduced to be lower than the saturated vapor pressure on a liquid-solid interface, so that a secondary mixture is formed; the secondary mixture flows to the conical cavity 31 through the bottom of the cylindrical cavity 21, instantaneous high pressure is generated when the secondary mixture enters the small-caliber part of the conical cavity 31 from the cylindrical cavity 21 with a larger caliber, the pressure is continuously reduced along with the increase of the caliber of the conical cavity 31, finally, the liquid and the bubbles are mutually cut at the large-caliber part of the conical cavity 31 again, the particle size of the bubbles is further reduced, and a tertiary mixture is formed; the third-stage mixture finally flows into the water distributor, and finally the gas-liquid mixture is discharged through the annular gap 323.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The multistage gas-liquid mixing device is characterized by comprising a pipeline body (4), and a first mixing part (1), a second mixing part (2) and a third mixing part (3) which are positioned in the pipeline body (4);
the first mixing part (1) comprises a liquid inlet (12) formed in the side wall of the air inlet end of the pipeline body (4), and the liquid inlet (12) is tangential to the pipeline body (4);
the second mixing part (2) comprises a plurality of cylindrical cavities (21) extending in the radial direction and glass balls (22) filling the cylindrical cavities (21);
the third mixing part (3) comprises a conical cavity (31) communicated with the cylindrical cavity (21), and the longitudinal section area of the conical cavity (31) is increased from the direction close to the cylindrical cavity (21) to the direction far away from the cylindrical cavity (21); wherein
After air is introduced into the pipeline body (4), liquid tangentially enters the liquid inlet (12) to form rotational flow, and the air is cut to form a primary mixture;
after the primary mixture enters the cylindrical cavity (21), the primary mixture is squeezed and cavitated by the glass balls (22) to form a secondary mixture;
the secondary mixture flows along the conical cavity (31) and is cut into a tertiary mixture when being sprayed out from the large-caliber part of the conical cavity (31).
2. The multi-stage gas-liquid mixing device according to claim 1,
the pipeline body (4) comprises a first pipe body (41) and a second pipe body (42) which are fixed with each other;
the liquid inlet (12) is arranged on the side wall of the first pipe body (41), and the liquid inlet (12) is fixedly connected with a liquid inlet pipe (121), wherein
The liquid passes tangentially into the first tube (41) and forms a swirling flow inside the first tube (41).
3. The multi-stage gas-liquid mixing device according to claim 2,
a first end plate (130) and a second end plate (131) are respectively arranged at two ends of the first pipe body (41), the first end plate (130) is connected with the first pipe body (41) through a clamp (16), and the first pipe body (41), the second end plate (131) and the second pipe body (42) are connected through the clamp (16);
the middle part of the first end plate (130) is provided with an air inlet (14);
a liquid outlet (15) is formed in the middle of the second end plate (131); wherein
Air enters the first pipe body (41) from the air inlet (14), is cut by the rotational flow to form the primary mixture, and then is discharged into the second pipe body (42) through the liquid outlet (15).
4. The multi-stage gas-liquid mixing device according to claim 3,
one end of the second pipe body (42) close to the first pipe body (41) is inwards concavely provided with a cavity (23);
each cylindrical cavity (21) is communicated with the cavity (23), and the liquid outlet (15) is communicated with the cavity (23), wherein
After the primary mixture enters the cavity (23) through the liquid outlet (15), the first mixture is divided into a plurality of cylindrical cavities (21) and is extruded by the glass balls (22).
5. The multi-stage gas-liquid mixing device according to claim 4,
a grating plate (231) is arranged at the opening of the cylindrical cavity (21), wherein
The grid plate (231) can block the glass balls (22) from sliding out of the corresponding cylindrical cavity (21).
6. The multi-stage gas-liquid mixing device according to claim 5,
a fixed block is integrally arranged on the inner wall of the second pipe body (42), the cylindrical cavity (21) is arranged at one end of the fixed block, and the conical cavity (31) is arranged at the other end of the fixed block;
and a water distributor (32) is arranged at the position with a large caliber of the conical cavity (31), wherein
The tertiary mixture flowing out of the conical chamber (31) is ejected through the water distributor (32).
7. The multi-stage gas-liquid mixing device according to claim 6,
the water distributor (32) comprises a water distribution body (322) which is rotationally connected with the fixed block, and the section of the water distribution body (322) is conical;
the area between the water distribution body (322) and the second pipe body (42) is a water distribution cavity (321),
the minimum clearance between the water distribution body (322) and the second pipe body (42) is a circular ring clearance, wherein
After the tertiary mixture flows out from the conical cavity (31) to the water distribution cavity (321), the tertiary mixture is sprayed out through the annular gap.
8. The multi-stage gas-liquid mixing device according to claim 7,
the inner diameter of the first pipe body (41) is d, and the inner diameter of the liquid inlet pipe (121) is d1The length of the first pipe body (41) is L1Wherein
d1=0.2~0.3d，L1=1.2~1.5d1。
9. The multi-stage gas-liquid mixing device according to claim 8,
the length of the cavity (23) is L2，L2= 0.15-0.2 d; the inner diameter of each cylindrical cavity (21) is d2，The length of the second mixing part (2) is L3The diameters of the glass balls (22) are d3，d2=0.3d，L3=1.5~2.0d2，d3=0.4d2。
10. The multi-stage gas-liquid mixing device according to claim 9,
the diameter of the small opening of each conical cavity (31) is d4The diameter of the large opening of each conical cavity (31) is d5，d4=0.2d2，d5=5.0~6.0d4(ii) a The width of the circular ring gap is w, the water distribution angle of the water distributor (32) is theta, w =0.5mm, and theta = 90-120 degrees.
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| CN202010815766.0A CN111804164B (en) | 2020-08-14 | 2020-08-14 | Multistage gas-liquid mixing device |
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| CN202010815766.0A CN111804164B (en) | 2020-08-14 | 2020-08-14 | Multistage gas-liquid mixing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112871004A (en) * | 2020-12-04 | 2021-06-01 | 常州市巨能王电机有限公司 | Reciprocating liquid cavitation device |
| CN115043424A (en) * | 2022-06-01 | 2022-09-13 | 攀钢集团钒钛资源股份有限公司 | Titanium tetrachloride production system and direct condenser |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089883A (en) * | 1993-01-22 | 1994-07-27 | 和泉电气株式会社 | Gas-liquid solution mixture process and gas-liquid dissolving mixing arrangement |
| KR20090037238A (en) * | 2007-10-11 | 2009-04-15 | (주)엔투코리아 | Minute an air bubble generation device |
| CN206676249U (en) * | 2017-03-02 | 2017-11-28 | 淮南市知产创新技术研究有限公司 | A kind of three spheroid microbubble generating apparatus |
| CN109046050A (en) * | 2018-08-17 | 2018-12-21 | 无锡伟思博润科技有限公司 | A kind of air and liquid mixer |
| CN110127798A (en) * | 2019-06-25 | 2019-08-16 | 浙江晟科环境工程有限公司 | A kind of microbubble gas-soluble water generating device |
| CN210505732U (en) * | 2019-08-05 | 2020-05-12 | 维尔利环保科技集团股份有限公司 | Jet aeration arm and integrated jet aerator thereof |
| CN212855321U (en) * | 2020-08-14 | 2021-04-02 | 常州江苏大学工程技术研究院 | Multistage gas-liquid mixing device |
-
2020
- 2020-08-14 CN CN202010815766.0A patent/CN111804164B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089883A (en) * | 1993-01-22 | 1994-07-27 | 和泉电气株式会社 | Gas-liquid solution mixture process and gas-liquid dissolving mixing arrangement |
| KR20090037238A (en) * | 2007-10-11 | 2009-04-15 | (주)엔투코리아 | Minute an air bubble generation device |
| CN206676249U (en) * | 2017-03-02 | 2017-11-28 | 淮南市知产创新技术研究有限公司 | A kind of three spheroid microbubble generating apparatus |
| CN109046050A (en) * | 2018-08-17 | 2018-12-21 | 无锡伟思博润科技有限公司 | A kind of air and liquid mixer |
| CN110127798A (en) * | 2019-06-25 | 2019-08-16 | 浙江晟科环境工程有限公司 | A kind of microbubble gas-soluble water generating device |
| CN210505732U (en) * | 2019-08-05 | 2020-05-12 | 维尔利环保科技集团股份有限公司 | Jet aeration arm and integrated jet aerator thereof |
| CN212855321U (en) * | 2020-08-14 | 2021-04-02 | 常州江苏大学工程技术研究院 | Multistage gas-liquid mixing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112871004A (en) * | 2020-12-04 | 2021-06-01 | 常州市巨能王电机有限公司 | Reciprocating liquid cavitation device |
| CN115043424A (en) * | 2022-06-01 | 2022-09-13 | 攀钢集团钒钛资源股份有限公司 | Titanium tetrachloride production system and direct condenser |
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| CN111804164B (en) | 2024-05-28 |
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