CN106268544B - Tower type superfine bubble reactor - Google Patents
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- CN106268544B CN106268544B CN201610641251.7A CN201610641251A CN106268544B CN 106268544 B CN106268544 B CN 106268544B CN 201610641251 A CN201610641251 A CN 201610641251A CN 106268544 B CN106268544 B CN 106268544B
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Abstract
The invention discloses a tower type superfine bubble reactor. The tower type ultrafine bubble reactor comprises: the device comprises a body, a reaction cavity is arranged in the body, and a through hole, a liquid inlet, a circulating liquid outlet, an air inlet and a circulating gas outlet are formed in the wall of the reaction cavity; a primary bubble breaker, a part of which passes through the through hole and extends into the reaction chamber, wherein the primary bubble breaker is provided with a circulating liquid inlet, a circulating gas inlet and a gas-liquid mixture outlet, the circulating liquid inlet is communicated with the circulating liquid outlet, and the circulating gas inlet is communicated with the circulating gas outlet; and the secondary bubble breaker is provided with a feed inlet and a discharge outlet, and the feed inlet is communicated with the gas-liquid mixture outlet. The tower type superfine bubble reactor disclosed by the embodiment of the invention has the advantages of high mass transfer efficiency, high reaction rate, low energy consumption and the like, and can greatly shorten the reaction time and reduce the size of the reactor.
Description
Technical Field
The invention relates to a reactor, in particular to a tower type ultrafine bubble reactor.
Background
The reactor is the core of the chemical process, and the adoption of the high-efficiency energy-saving reactor is the key for improving the competitiveness of the chemical device. The traditional multiphase reactor mostly adopts bubbling, stirring or a combination mode of the bubbling and the stirring, the amplification effect of the modes is obvious, the diameter of bubbles is usually 10-20mm, the gas-liquid interface area is small, the heat and mass transfer efficiency is low, the reaction time is long, the equipment volume is large, and the requirements of high efficiency and energy conservation of modern chemical production cannot be met.
In order to solve the problems, a concept of jet strengthening the reactor is proposed, liquid and gas in a primary bubble breaker are utilized to be entrained and mixed, a large amount of bubbles are generated, and the reaction rate can be greatly improved compared with the traditional multiphase reactor. However, the diameter of the bubbles generated by the existing jet strengthening reactor is still larger, the larger bubble is between 4mm and 10mm, and the whole energy utilization rate is still lower.
Disclosure of Invention
After intensive research, the invention discovers that: the mechanical energy of the gas-liquid mixture ejected by the primary bubble breaker is high, the gas-liquid mixture directly enters the reactor and forms strong turbulence, and the part of the turbulent kinetic energy is finally dissipated in the form of frictional heat, so that the contribution to bubble breaking is small.
The present invention is directed to solving the problems of the prior art. Therefore, the invention provides a tower type superfine bubble reactor with high energy utilization rate, smaller bubble diameter and larger gas-liquid interfacial area.
The tower type superfine bubble reactor of the invention comprises: the device comprises a body, a reaction cavity is arranged in the body, and a through hole, a liquid inlet, a circulating liquid outlet, an air inlet and a circulating gas outlet are formed in the wall of the reaction cavity; a primary bubble breaker, a part of which passes through the through hole and extends into the reaction chamber, wherein the primary bubble breaker is provided with a circulating liquid inlet, a circulating gas inlet and a gas-liquid mixture outlet, the circulating liquid inlet is communicated with the circulating liquid outlet, and the circulating gas inlet is communicated with the circulating gas outlet; and the secondary bubble breaker is provided with a feed inlet and a discharge outlet, and the feed inlet is communicated with the gas-liquid mixture outlet.
The tower type superfine bubble reactor provided by the embodiment of the invention has the advantages of high mass transfer efficiency, high reaction rate and low energy consumption, and can greatly shorten the reaction time.
In addition, the tower type ultrafine bubble reactor according to the embodiment of the invention can also have the following additional technical characteristics:
according to an embodiment of the present invention, the circulating gas outlet is disposed on a top wall of the reaction chamber, the liquid inlet and the gas inlet are disposed on an upper portion of a side wall of the reaction chamber, a liquid outlet is further disposed on the wall of the reaction chamber, the liquid outlet is disposed on a bottom wall of the reaction chamber, and the circulating liquid outlet is disposed on the side wall of the reaction chamber and located below the liquid inlet and the gas inlet, wherein the tower type ultrafine bubble reactor further includes an overflow baffle which is disposed on the wall of the reaction chamber and located adjacent to the circulating liquid outlet, and an upper edge of the overflow baffle is located above the circulating liquid outlet.
According to one embodiment of the invention, the primary bubble breaker comprises: a suction chamber having the recycle gas inlet; the injection pipe is provided with the circulating liquid inlet, and a nozzle is formed at the end part of the injection pipe and extends into the suction chamber; a mixing tube in communication with the suction chamber, a front port of the mixing tube cooperating with the nozzle, wherein the mixing tube has the gas-liquid mixture outlet; and one end of the fixed rib plate is connected with the inner wall of the reaction cavity, and the other end of the fixed rib plate is connected with the outer wall of the mixing pipe.
According to one embodiment of the invention, the suction chamber comprises a front section and a rear section connected to each other, the front section having the circulating gas inlet, the cross-sectional area of the front section remaining constant in the axial direction and the cross-sectional area of the rear section decreasing from the front to the rear, wherein the rear section is open at the end and connected to the front end of the mixing tube, the nozzle projecting into the suction chamber through the front wall of the suction chamber, the nozzle being adjacent to the mixing tube.
According to an embodiment of the present invention, each of the suction chamber, the ejector pipe, and the mixing pipe is horizontally disposed, a cross-sectional area of the mixing pipe is maintained constant in a front-rear direction, and the gas-liquid mixture outlet is provided on a side wall of the mixing pipe adjacent to a rear end portion of the mixing pipe.
According to one embodiment of the invention, the secondary bubble breaker comprises: a first end of the connecting pipe is connected with the gas-liquid mixture outlet; and hold the chamber, hold and be equipped with on the wall in chamber the feed inlet with the discharge gate, hold and all be equipped with on its axial relative first end and the second end in chamber the discharge gate, wherein the second end of connecting pipe with the feed inlet links to each other, the length direction of connecting pipe with it is tangent to hold the circumference in chamber.
According to one embodiment of the invention, the feed opening of the secondary bubble breaker is located in the middle of the accommodating chamber in the axial direction of the accommodating chamber, the cross-sectional area of the accommodating chamber decreases from the middle of the accommodating chamber to the end of the accommodating chamber, and preferably the accommodating chamber is symmetrical with respect to a cross-section passing through the axial center of the accommodating chamber.
According to an embodiment of the present invention, the accommodating cavity is in a shape of a revolving body, a revolving generatrix of the accommodating cavity is a circular arc line, or a straight line parallel to an axis of the accommodating cavity and a curve formed by two straight lines, or a straight line parallel to the axis of the accommodating cavity and a curve formed by two circular arc lines, and preferably, the straight line parallel to the axis of the accommodating cavity is tangent to the two circular arc lines at an intersection of the straight line and the two circular arc lines.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of a tower type ultrafine bubble reactor according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a primary bubble breaker of a tower type ultrafine bubble reactor according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a secondary bubble breaker of a tower type ultrafine bubble reactor according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a secondary bubble breaker of a tower type ultrafine bubble reactor according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a secondary bubble breaker of a tower type ultrafine bubble reactor according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The column type ultrafine bubble reactor 1 according to an embodiment of the present invention will be described with reference to FIGS. 1 to 5. As shown in fig. 1 to 5, a tower type ultrafine bubble reactor 1 according to an embodiment of the present invention includes a body 10, a primary bubble breaker 102, and a secondary bubble breaker 103.
The body 10 is provided with a reaction chamber 101, and the wall of the reaction chamber 101 is provided with a through hole, a liquid inlet 104, an air inlet 105, a circulating gas outlet 106, a circulating liquid outlet 107 and a liquid outlet 108. A part of the primary bubble breaker 102 passes through the through hole and extends into the reaction chamber 101, wherein the primary bubble breaker 102 has a circulating liquid inlet 1021, a circulating gas inlet 1022 and a gas-liquid mixture outlet 1028, the circulating liquid inlet 1021 is communicated with the circulating liquid outlet 107, and the circulating gas inlet 1022 is communicated with the circulating gas outlet 106. The secondary bubble breaker 103 has a feed port communicating with a gas-liquid mixture outlet 1028 and a discharge port 1033.
The operation of the column type ultrafine bubble reactor 1 according to the embodiment of the present invention will be described with reference to FIGS. 1 to 5. Fresh feed liquid is added to reaction chamber 101 from inlet 104 and gas is added to reaction chamber 101 from inlet 105 until the desired pressure is reached in reaction chamber 101. The feed liquid in the reaction chamber 101 is pumped out from the circulating liquid outlet 107 and is driven by the pump to enter the primary bubble breaker 102. Advantageously, the feed liquid may be heat exchanged before entering the primary bubble breaker 102.
Meanwhile, since the high-speed circulation feed liquid forms a negative pressure in the primary bubble breaker 102, the high-speed circulation feed liquid brings the circulation gas into the primary bubble breaker 102 and mixes and shears the circulation gas to generate a large amount of bubbles, so as to form a gas-liquid mixture. Specifically, the recycle gas exits the reaction chamber 101 through the recycle gas outlet 106 and enters the primary bubble breaker 102 through the recycle gas inlet 1022.
The gas-liquid mixture is ejected from the gas-liquid mixture outlet 1028 of the primary bubble breaker 102 and enters the secondary bubble breaker 103, the gas-liquid mixture rotates at a high speed in the secondary bubble breaker 103, and due to the density difference, the gas gathers near the axis of the secondary bubble breaker 103, is compressed and sheared by the liquid to generate a large amount of ultrafine bubbles having a diameter of 50 μm or less, and is ejected from the discharge port 1033 of the secondary bubble breaker 103 and enters the reaction chamber 101. The smaller the diameter of the bubble, the lower the rising speed of the bubble in the liquid. Therefore, the reaction chamber 101 is filled with a large amount of ultra fine bubbles to form an emulsion, so that the reaction can be rapidly performed.
The tower-type ultrafine bubble reactor 1 according to the embodiment of the present invention is provided with the secondary bubble breaker 103 connected to the primary bubble breaker 102, so that the mechanical energy of the gas-liquid mixture ejected from the primary bubble breaker 102 can be sufficiently utilized to convert the mechanical energy of the gas-liquid mixture ejected from the primary bubble breaker 102 into the surface energy of bubbles, so that bubbles having a diameter of 2mm in the gas-liquid mixture are changed into ultrafine bubbles having a diameter of 50 μm or less. Compared with the gas-liquid interfacial area of the existing gas-liquid reactor, the gas-liquid interfacial area of the tower type ultrafine bubble reactor 1 according to the embodiment of the invention can be increased by more than 40 times under the same input power.
Moreover, the smaller the diameter of the bubble is, the higher the mass transfer coefficient of the bubble is, so that the reaction efficiency of the tower type ultrafine bubble reactor 1 can be greatly improved. Therefore, the tower type ultrafine bubble reactor 1 provided by the embodiment of the invention has the advantages of high mass transfer efficiency, high reaction rate, low energy consumption and the like, and can greatly shorten the reaction time and reduce the size of the reactor.
As shown in fig. 1 to 3, the ratio of the height to the diameter of the reaction chamber 101 is 3 to 20. A circulating gas outlet 106 is provided on the ceiling of the reaction chamber 101, and a liquid inlet 104 and a gas inlet 105 are provided on the upper portion of the side wall of the reaction chamber 101. As reaction product is withdrawn from circulating liquid outlet 107, feed liquid may be replenished through liquid inlet 104 in order to maintain a steady level of liquid in reaction chamber 101. The gas is supplemented through the gas inlet 105 to stabilize the pressure in the reaction chamber 101.
The circulating liquid outlet 107 is arranged on the side wall of the reaction chamber 101, and the circulating liquid outlet 107 is positioned below the liquid inlet 104 and the gas inlet 105. Advantageously, the wall of the reaction chamber 101 is further provided with a liquid outlet 108, and the liquid outlet 108 is arranged at the central position of the bottom wall of the reaction chamber 101.
In some embodiments of the present invention, as shown in fig. 1-3, the tower type ultrafine bubble reactor 1 further comprises an overflow baffle 109, the overflow baffle 109 is disposed on the wall of the reaction chamber 101 and adjacent to the circulating liquid outlet 107, and the upper edge of the overflow baffle 109 is located above the circulating liquid outlet 107. Thereby the structure of the tower type superfine bubble reactor 1 can be more reasonable.
Specifically, the overflow baffle 109 comprises a horizontal plate welded to the wall of the reaction chamber 101 and a vertical plate welded at its lower edge to the horizontal plate and at its upper edge above the circulating liquid outlet 107
As shown in fig. 1 to 5, the primary bubble breaker 102 includes a suction chamber 1023, a mixing tube 1024, and an injection tube 1026. The suction chamber 1023 has a circulation gas inlet 1022, the injection pipe 1026 has a circulation liquid inlet 1021, and a nozzle 1025 is formed at an end of the injection pipe 1026, and the nozzle 1025 extends into the suction chamber 1023. The mixing tube 1024 communicates with the suction chamber 1023, and a front port of the mixing tube 1024 is fitted with the nozzle 1025. The mixing tube 1024 has a gas-liquid mixture outlet 1028.
Specifically, the front end of the injection tube 1026 is opened to form a circulation liquid inlet 1021, and the suction chamber 1023 may be located outside the reaction chamber 101 (as shown in FIG. 1, the injection nozzle 1025 is located outside the reaction chamber 101, respectively). A portion of the mixing tube 1024 is located within the reaction chamber 101 (shown in fig. 1). The circulating liquid flows from the front end of the injection pipe 1026 to the rear end of the injection pipe 1026.
In one embodiment of the present invention, as shown in fig. 1-2, the tower type microbubble reactor 1 further comprises fixing ribs 1027. One end of the fixing rib plate 1027 is disposed on the inner wall of the reaction chamber 101, and the other end of the fixing rib plate 1027 is disposed on the outer wall of the mixing pipe 1024. Whereby the primary bubble breaker 102 can be more securely mounted on the body 10.
Advantageously, there are a plurality of fixing rib plates 1027, and there are 2-6 fixing rib plates 1027 distributed along the axis of the primary bubble generator 102.
Each of the suction chamber 1023, the injection tube 1026, and the mixing tube 1024 is horizontally disposed.
As shown in fig. 1 to 2, the suction chamber 1023 includes a front section 10231 and a rear section 10232 connected to each other, a circulation air inlet 1022 is provided on a side wall of the front section 10231, a cross-sectional area of the front section 10231 is constant in a front-rear direction, and a cross-sectional area of the rear section 10232 is reduced from a front to a rear direction.
Wherein the rear end of the rear section 10232 is open and connected to the front end of the mixing tube 1024, and the nozzle 1025 protrudes into the suction chamber 1023 through the front wall of the suction chamber 1023. Advantageously, the nozzle 1025 is adjacent to the mixing tube 1024. More advantageously, the nozzle 1025 is located in front of the mixing tube 1024.
As shown in fig. 1 to 4, in a specific example of the present invention, the injection tube 1026 includes a cylindrical portion and a circular truncated cone portion connected to the cylindrical portion. The ratio of the diameter of the cylindrical part to the minimum diameter of the circular table part is 2-6: 1, the cone apex angle of the circular table part is 20-80 degrees. Wherein the dome is configured as a nozzle 1025.
The circulating liquid enters the injection pipe 1026 through the circulating liquid inlet 1021, and is injected from the nozzle 1026 to form a high-speed liquid. The high-speed liquid forms a negative pressure in the suction chamber 1023 to suck the circulation gas into the suction chamber 1023. Since the nozzle 1025 is fitted to the mixing tube 1024, i.e., the nozzle 1025 is opposite to the mixing tube 1024 and in front of the mixing tube 1024, the high-speed liquid brings the circulating gas into the mixing tube 1024 and mixes and shears to generate a large number of bubbles so as to form a gas-liquid mixture.
As shown in fig. 1-2, the cross-sectional area of the mixing tube 1024 remains constant in the front-to-back direction. Advantageously, a gas-liquid mixture outlet 1028 is provided on a side wall of the mixing tube 1024 adjacent to a rear end of the mixing tube 1024.
As shown in fig. 3-5, in some examples of the invention, the secondary bubble breaker 103 includes a connecting tube 1031 and a receiving chamber 1032. A first end of the connection pipe 1031 is connected to the gas-liquid mixture outlet 1028. The feed and discharge ports 1033 are provided on the wall of the accommodation chamber 1032.
The accommodation chamber 1032 is provided with discharge ports 1033 at first and second axially opposite ends thereof. In other words, a first end of the accommodating chamber 1032 is opposite to a second end of the accommodating chamber 1032 in the axial direction of the accommodating chamber 1032, and the discharge port 1033 is disposed at each of the first end and the second end of the accommodating chamber 1032. Wherein, the second end of the connecting pipe 1031 is connected with the feed inlet, and the length direction of the connecting pipe 1031 is tangent to the circumference of the accommodating chamber 1032.
Since the length direction of the connection pipe 1031 is tangential to the circumferential direction of the accommodation chamber 1032, the gas-liquid mixture ejected from the primary bubble breaker 102 (i.e., the gas-liquid mixture ejected from the mixing pipe 1024) enters the accommodation chamber 1032 tangentially through the connection pipe 1031, whereby the gas-liquid mixture can be made to rotate at a high speed in the accommodation chamber 1032. Due to the difference in density, the gas collects near the axis of the housing chamber 1032, and is compressed and sheared by the liquid to generate a large number of ultrafine bubbles having a diameter of 50 μm or less (advantageously, 50 μm or less). The liquid containing the ultrafine bubbles is ejected from the discharge ports 1033 at both ends of the accommodation chamber 1032 and enters the reaction chamber 101. Since the smaller the diameter of the bubble, the lower the rising speed of the bubble in the liquid, the reaction chamber 101 is filled with a large amount of ultrafine bubbles to form an emulsion, thereby enabling the reaction to proceed quickly.
In one example of the present invention, the housing 1032 may be a swivel body. The structure of the secondary bubble breaker 103 can thereby be made more rational. The rotation bus of the accommodating cavity 1032 can be a circular arc line, and the rotation bus of the accommodating cavity 1032 can also be a straight line parallel to the axis of the accommodating cavity 1032 and a curve formed by two straight lines. In addition, the rotation generatrix of the housing chamber 1032 may be a curve composed of a straight line parallel to the axis of the housing chamber 1032 and two circular arc lines. Advantageously, the straight line parallel to the axis of the housing cavity 1032 is tangent to the two circular lines at their intersection.
As shown in fig. 5, the feed port is located in the middle of the housing chamber 1032 in the axial direction of the housing chamber 1032, and the cross-sectional area of the housing chamber 1032 decreases from the middle of the housing chamber 1032 to the end of the housing chamber 1032. Specifically, the cross-sectional area of the accommodating chamber 1032 decreases from the middle of the accommodating chamber 1032 to the first end of the accommodating chamber 1032, and the cross-sectional area of the accommodating chamber 1032 decreases from the middle of the accommodating chamber 1032 to the second end of the accommodating chamber 1032. The structure of the secondary bubble breaker 103 can thereby be made more rational. Advantageously, the cross-section of the connection pipe 1031 is a flat rectangular structure, thereby minimizing resistance generated when the gas-liquid mixture enters the accommodation chamber 1032.
Advantageously, the housing 1032 is symmetrical with respect to a cross section passing through the axial center of the housing 1032. The structure of the secondary bubble breaker 103 can thereby be made more rational.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (4)
1. A tower type ultrafine bubble reactor, comprising:
the device comprises a body, a reaction cavity is arranged in the body, and a through hole, a liquid inlet, a circulating liquid outlet, an air inlet and a circulating gas outlet are formed in the wall of the reaction cavity;
a primary bubble breaker, a part of which passes through the through hole and extends into the reaction chamber, wherein the primary bubble breaker is provided with a circulating liquid inlet, a circulating gas inlet and a gas-liquid mixture outlet, the circulating liquid inlet is communicated with the circulating liquid outlet, and the circulating gas inlet is communicated with the circulating gas outlet; and
the secondary bubble breaker is arranged in the reaction cavity and is provided with a feed inlet and a discharge outlet, and the feed inlet is communicated with the gas-liquid mixture outlet;
the secondary bubble breaker includes:
a first end of the connecting pipe is connected with the gas-liquid mixture outlet; and
the wall of the accommodating cavity is provided with the feed inlet and the discharge outlet, the first end and the second end of the accommodating cavity, which are opposite to each other in the axial direction, are provided with the discharge outlet, the second end of the connecting pipe is connected with the feed inlet, and the length direction of the connecting pipe is tangential to the circumferential direction of the accommodating cavity;
the secondary bubble breaker is connected with the primary bubble breaker, and the mechanical energy sprayed by the primary bubble breaker is converted into the surface energy of bubbles by using the mechanical energy of a gas-liquid mixture sprayed by the primary bubble breaker;
the accommodating cavity is in a shape of a rotary body, and a rotary bus of the accommodating cavity is an arc line;
the primary bubble breaker includes:
a suction chamber having the recycle gas inlet;
the injection pipe is provided with the circulating liquid inlet, and a nozzle is formed at the end part of the injection pipe and extends into the suction chamber;
a mixing tube in communication with the suction chamber, a front port of the mixing tube cooperating with the nozzle, wherein the mixing tube has the gas-liquid mixture outlet; and
one end of the fixed rib plate is connected with the inner wall of the reaction cavity, and the other end of the fixed rib plate is connected with the outer wall of the mixing pipe;
the suction chamber comprises a front section and a rear section which are connected with each other, the front section is provided with the circulating gas inlet, the cross section area of the front section is kept constant along the axial direction, the cross section area of the rear section is reduced from front to back, the rear end of the rear section is opened and is connected with the front end of the mixing pipe, the nozzle penetrates through the front wall of the suction chamber and extends into the suction chamber, and the nozzle is adjacent to the mixing pipe.
2. The tower type ultrafine bubble reactor according to claim 1, wherein the circulating gas outlet is formed on a top wall of the reaction chamber, the liquid inlet and the gas inlet are formed on an upper portion of a side wall of the reaction chamber, a liquid outlet is further formed in the wall of the reaction chamber, the liquid outlet is formed in a bottom wall of the reaction chamber, the circulating liquid outlet is formed in the side wall of the reaction chamber and is located below the liquid inlet and the gas inlet, wherein the tower type ultrafine bubble reactor further comprises an overflow baffle which is formed in the wall of the reaction chamber and is adjacent to the circulating liquid outlet, and an upper edge of the overflow baffle is located above the circulating liquid outlet.
3. The tower type ultrafine bubble reactor according to claim 1, wherein each of the suction chamber, the injection pipe, and the mixing pipe is horizontally disposed, a cross-sectional area of the mixing pipe is maintained constant in a front-rear direction, and wherein the gas-liquid mixture outlet is provided on a side wall of the mixing pipe adjacent to a rear end portion of the mixing pipe.
4. The tower type ultrafine bubble reactor according to claim 1, wherein the feed inlet of the secondary bubble breaker is located at a middle portion of the receiving chamber in an axial direction of the receiving chamber, the cross-sectional area of the receiving chamber decreases from the middle portion of the receiving chamber to an end portion of the receiving chamber, and the receiving chamber is symmetrical with respect to a cross-sectional plane passing through an axial center of the receiving chamber.
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| CN201610641251.7A CN106268544B (en) | 2016-08-05 | 2016-08-05 | Tower type superfine bubble reactor |
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| CN201610641251.7A CN106268544B (en) | 2016-08-05 | 2016-08-05 | Tower type superfine bubble reactor |
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