Gas-liquid mixer

Abstract

The utility model relates to the technical field of gas-liquid mixers, in particular to a gas-liquid mixer which comprises a liquid circulation block, a liquid path mixing cavity is formed in the liquid circulation block, and the two ends of the liquid path mixing cavity extend to the two symmetrical side faces of the liquid circulation block respectively. A gas inlet block is connected to the other side face of the liquid circulation block in a sealed mode, a gas cavity is formed in the side face of the gas inlet block, a sealing plate is installed in the gas cavity in a matched mode, the sealing plate and the gas inlet block are connected in a sealed mode, and a plurality of conical air jet hole nozzles are installed on the side face of the sealing plate in a penetrating mode; and one end of the conical air jet hole nozzle extends into the liquid path mixing cavity. According to the scheme, a plurality of conical vent hole nozzles are distributed in liquid path mixing, so that a uniform gas-liquid mixing state is formed, and the uniformity of gas-liquid mixing is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas liquid mixer technical field especially relates to a gas liquid mixer. BACKGROUND

[0002] The gas liquid mixer is a kind of device for mixing gas and liquid, is widely used in chemical industry, pharmacy, food processing and other fields.The gas liquid mixing of prior art is divided into dynamic gas liquid mixer and static mixer, dynamic gas liquid mixer realizes gas liquid mixing by the aid of air compressor, jet pump and other power equipment, but its energy consumption is high, and the floor area is large;Static gas liquid mixer relies on the mixing unit of internal special structure to complete the mixing of high-pressure gas and liquid, but there are complex structure, easy to block problems.Because the mixing effect of mixer has direct influence on reaction effect, so in the mixer technical field, the optimization design of mixer structure becomes research emphasis.

[0003] The gas liquid mixer plays an important role in N-methyl morpholine synthesis production, raw material diethylene glycol needs to be heated vaporization before entering catalyst, but since diethylene glycol is the oil-like liquid of high viscosity, so it is more difficult to vaporize, leading to a part of liquid diethylene glycol directly enters catalyst and covers on the surface of catalyst, not only influences the catalytic effect of catalyst.And since diethylene glycol cannot be completely vaporized, leading to diethylene glycol is relatively dense, and the dispersion degree is not high, and the catalytic efficiency of catalyst also cannot reach ideal state.

[0004] Therefore, a new type of gas liquid mixer is needed to be developed and applied to N-methyl morpholine synthesis, to improve gas liquid mixing effect, improve the yield and efficiency of N-methyl morpholine synthesis. Utility model content

[0005] The utility model aims at solving the shortcomings in prior art, and provides a gas liquid mixer.

[0006] To achieve the above object, the utility model adopts the technical scheme that a kind of gas liquid mixer, including liquid flow block, the inside of the liquid flow block is equipped with liquid path mixing cavity, two ends of the liquid path mixing cavity respectively extend to the two symmetrical side surfaces of liquid flow block, another side surface of the liquid flow block is sealingly connected with gas inlet block, the side surface of the gas inlet block is equipped with gas cavity, the inside of the gas cavity is matched with the installation of sealing plate, the sealing plate and gas inlet block are sealingly connected, the side surface of the sealing plate is installed with multiple conical gas injection hole nozzles, one end of the conical gas injection hole nozzle extends to the inside of liquid path mixing cavity.

[0007] Preferably, the gas entering block is matched with the installation pressing plate inside the gas cavity, the side of the installation pressing plate is matched with a plurality of rubber sealing rings, the rubber sealing rings surround the conical gas injection nozzle, the surface of the installation pressing plate is matched with the gas connector, one end of the gas connector penetrates the side of the gas entering block and extends to one side of the gas entering block, and a plurality of pressing mechanisms are arranged between the installation pressing plate and the gas entering block.

[0008] Preferably, the pressing mechanism comprises a stud, one end of the stud is movably connected with the surface of the installation pressing plate, the other end of the stud penetrates the side of the gas entering block and extends to one side of the gas entering block, the other end of the stud is threadedly sleeved with a pressing screw pipe, and the end of the pressing screw pipe is fixedly connected with the side of the gas entering block.

[0009] Preferably, one end of the stud is matched with a movable block, the circular arc surface of the movable block is matched with a sliding groove, and the inside of the sliding groove is matched with a plurality of limiting pieces, and one end of the limiting piece is matched with the surface of the installation pressing plate.

[0010] Preferably, the liquid path mixing cavity is in a shape of a serpentine groove, and the inside of the liquid path mixing cavity is a frosted surface.

[0011] Compared with the prior art, the gas liquid mixer has the following beneficial effects:

[0012] In the scheme, a plurality of conical gas injection nozzle are distributed in the liquid path mixing cavity, the liquid material collides with the gas in a jetting state during the flowing process in the mixing cavity, the initial momentum and the dispersivity of the gas are transmitted to the liquid material, a plurality of bubbles are formed, and at this time, the state is a semi-mixed state. Due to the curved design of the mixing cavity, the bubbles collide with the liquid material, and the extrusion collision at the elbow breaks the bubbles, so that a uniform gas-liquid mixing state is formed, and the uniformity of the gas-liquid mixing is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is an isometric view of the gas liquid mixer of the utility model;

[0014] Figure 2 It is an internal structure schematic view of the liquid flow block of the gas liquid mixer of the utility model;

[0015] Figure 3 It is a connection structure schematic view of the gas entering block and the conical gas injection nozzle of the gas liquid mixer of the utility model;

[0016] Figure 4 It is a connection structure schematic view of the gas entering block and the installation pressing plate of the gas liquid mixer of the utility model;

[0017] Figure 5A kind of stud and movable block connecting structure schematic view of gas-liquid mixer of the utility model;

[0018] Figure 6 A kind of mounting pressing plate and rubber sealing ring connecting structure schematic view of gas-liquid mixer of the utility model.

[0019] In the drawing: liquid flow block 1, gas enters block 2, tight screw pipe 3, stud 4, gas connector 5, liquid path mixing cavity 6, conical gas injection nozzle 7, sealing plate 8, movable block 9, mounting pressing plate 10, rubber sealing ring 11, sliding groove 12, limiting piece 13. DETAILED DESCRIPTION

[0020] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be conceived by those skilled in the art.

[0021] As Figures 1-6 Indicated in the drawing, a kind of gas-liquid mixer, including liquid flow block 1, the inside of liquid flow block 1 is provided with liquid path mixing cavity 6, the both ends of liquid path mixing cavity 6 extend to the two symmetrical side surfaces of liquid flow block 1 respectively, the other side surface of liquid flow block 1 is sealingly connected with gas enters block 2, rubber sealing pad is equipped between liquid flow block 1 and gas enters block 2, plays the role of sealing, simultaneously, the screw hole for being communicated is arranged at four corners between liquid flow block 1 and gas enters block 2, is connected between two screw holes by screw, for connecting and fixing between liquid flow block 1 and gas enters block 2, simultaneously, it is convenient to disassemble.

[0022] The side surface of gas enters block 2 is provided with gas cavity, sealing plate 8 is matched and installed in the inside of gas cavity, sealing plate 8 and gas enters block 2 are sealingly connected, the side surface of sealing plate 8 is installed and penetrates multiple conical gas injection nozzle 7, gas enters gas cavity, when gas cavity is full of gas, gas is discharged from multiple conical gas injection nozzle 7, the exhaust speed of conical small exhaust port gradually becomes large with the pressure of gas cavity and forms jet state, so that the inside of gas cavity forms a stable state of gas intake and gas exhaust.

[0023] One end of conical gas injection nozzle 7 extends to the inside of liquid path mixing cavity 6, liquid path mixing cavity 6 is serpentine groove, the inside of liquid path mixing cavity 6 is frosted surface, liquid material collides with jet state gas in the flowing process in liquid path mixing cavity 6, the initial momentum and dispersibility of gas are transmitted into liquid material, form many gas bubbles, at this time, it is semi-mixed state, due to the design of the bending of liquid path mixing cavity 6, gas bubbles not only collide with liquid material, but also the extrusion collision at elbow breaks up gas bubbles, forms uniform gas-liquid mixing state, and then improves the uniformity of gas-liquid mixing.

[0024] The gas cavity inside the gas inlet block 2 is matchedly installed with the installation pressing plate 10, the side surface of the installation pressing plate 10 is installed with a plurality of rubber sealing rings 11 which surround the four sides of the conical gas injection nozzle 7, and the surface of the installation pressing plate 10 is penetrated with the gas inlet pipe 5 which is connected with the gas pump through a pipeline, and the gas pump delivers the required mixed gas into the gas cavity.

[0025] One end of the gas inlet pipe 5 penetrates through the side surface of the gas inlet block 2 and extends to one side thereof, a plurality of pressing mechanisms are arranged between the installation pressing plate 10 and the gas inlet block 2, the pressing mechanism comprises a stud 4, one end of the stud 4 is movably connected with the surface of the installation pressing plate 10, the other end of the stud 4 penetrates through the side surface of the gas inlet block 2 and extends to one side thereof, the other end of the stud 4 is threadedly sleeved with a pressing screw pipe 3, the end of the pressing screw pipe 3 is fixedly connected with the side surface of the gas inlet block 2, one end of the stud 4 is installed with a movable block 9, the circular arc surface of the movable block 9 is provided with a sliding groove 12, a plurality of limiting pieces 13 are arranged inside the sliding groove 12, one end of the limiting piece 13 is installed on the surface of the installation pressing plate 10, before the gas is injected into the gas cavity, a plurality of studs 4 need to be sequentially rotated, in the process of threadedly rotating the stud 4 in the pressing screw pipe 3, the stud 4 drives the movable block 9 to rotate on the plurality of limiting pieces 13 through the sliding groove 12, the stud 4 drives the installation pressing plate 10 to move synchronously, after the installation pressing plate 10 drives the rubber sealing ring 11 to separate from the sealing plate 8, at this time, the gas cavity is communicated with the plurality of conical gas injection nozzles 7, which is convenient for the gas to be sprayed on the liquid in the liquid path mixing cavity 6 through the conical gas injection nozzle 7, after the gas-liquid mixing is completed, the stud 4 can be reversely rotated, and the stud 4 can drive the rubber sealing ring 11 to block the conical gas injection nozzle 7 and the gas cavity through the installation pressing plate 10, after the gas-liquid mixing work is completed, the residual liquid in the liquid path mixing cavity 6 can be prevented from flowing into the gas cavity through the conical gas injection nozzle 7.

[0026] In the scheme, the liquid backflow problem in the mixing process of the mixer does not need to be worried, a check valve can be installed in the liquid inlet part to ensure that the liquid can flow in one direction and will not cause liquid backflow, and there is no need to worry about the problem that the liquid material enters the gas cavity;

[0027] Secondly, during the gas discharge process, the liquid will not enter the gas cavity, and when the experimental process is closed, closing the liquid path first and then closing the gas path can also ensure that the liquid material will not enter the gas cavity.

[0028] In the scheme, an electric heating jacket can also be arranged outside the liquid flow block 1 to heat the gas and liquid in the liquid path mixing cavity 6 during the mixing process, which will also accelerate the collision between molecules to achieve more ideal mixing and preheating effect.

[0029] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A gas-liquid mixer comprising a liquid flow passage block (1), characterized in that, The inside of the liquid flow block (1) is provided with a liquid path mixing cavity (6), both ends of the liquid path mixing cavity (6) extend to the two symmetrical side surfaces of the liquid flow block (1) respectively, the other side surface of the liquid flow block (1) is sealingly connected with a gas inlet block (2), the side surface of the gas inlet block (2) is provided with a gas cavity, the inside of the gas cavity is matched with a sealing plate (8) installed, the sealing plate (8) and the gas inlet block (2) are sealingly connected, the side surface of the sealing plate (8) is penetrated with a plurality of conical gas hole nozzles (7), one end of the conical gas hole nozzle (7) extends to the inside of the liquid path mixing cavity (6).

2. A gas-liquid mixer according to claim 1, wherein The inside of the gas cavity of the gas inlet block (2) is matched with an installation pressing plate (10) installed, the side surface of the installation pressing plate (10) is installed with a plurality of rubber sealing rings (11), the rubber sealing ring (11) surrounds the four sides of the conical gas hole nozzle (7), the surface of the installation pressing plate (10) is penetrated with a gas connecting pipe (5), one end of the gas connecting pipe (5) penetrates the side surface of the gas inlet block (2) and extends to one side thereof, a plurality of pressing mechanisms are arranged between the installation pressing plate (10) and the gas inlet block (2).

3. A gas-liquid mixer according to claim 2, wherein The pressing mechanism comprises a threaded stud (4), one end of the threaded stud (4) is movably connected with the surface of the installation pressing plate (10), the other end of the threaded stud (4) penetrates the side surface of the gas inlet block (2) and extends to one side thereof, the other end of the threaded stud (4) is threadedly sleeved with a pressing screw pipe (3), the end of the pressing screw pipe (3) is fixedly connected with the side surface of the gas inlet block (2).

4. A gas-liquid mixer according to claim 1, wherein One end of the threaded stud (4) is installed with a movable block (9), the circular arc surface of the movable block (9) is provided with a sliding groove (12), the inside of the sliding groove (12) is provided with a plurality of limiting pieces (13), one end of the limiting piece (13) is installed on the surface of the installation pressing plate (10).

5. A gas-liquid mixer according to claim 1, wherein The liquid path mixing cavity (6) is in the shape of a serpentine groove, the inside of the liquid path mixing cavity (6) is a frosted surface.

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