An air jet device capable of adjusting gas-liquid contact mode

Abstract

The invention discloses an air jet device capable of adjusting a gas-liquid contact mode, comprising a gas tank, an air jet disc, a pump and an air pipe, wherein the pump is respectively connected to the gas tank and the air jet disc through the air pipe, and a plurality of nozzles are arranged on the air jet disc, wherein the nozzles comprise an outer shell, an air plate, a driving assembly and a motor, and a plurality of air plates are respectively arranged in the outer shell from top to bottom, wherein a plurality of openings are arranged on the air plate around an axis, and a partition net is arranged on some of the openings, and the motor drives the air plate to rotate respectively through the driving assembly so that one of the openings on the air plate is aligned with an airway in the outer shell, and the pumping speed of the gas is adjusted by the pump, and the motor drives different air plates to rotate respectively through the driving assembly, so that the designated openings of the air plate can be aligned with the airway as required, thereby controlling the size of the bubbles through the superposition of the partition nets, finding the best gas-liquid contact mode, effectively improving the conversion rate of p-methylsulfonyltoluene, reducing the consumption of the main raw materials, and saving the production cost.

Description

[Technical field]

[0001] The present invention relates to the technical field of jetting devices, in particular to the technical field of jetting devices capable of adjusting the gas-liquid contact mode. [Background technology]

[0002] p-Methylsulfonyltoluene is the main raw material for producing p-Methylsulfonylbenzene aminoethyl ester, which is the main raw material for synthesizing the national second-class new drugs furofen and thiamphenicol, and has a large market demand. Improving the conversion rate of p-Methylsulfonyltoluene can effectively reduce the consumption of raw materials, thereby improving the market competitiveness of p-Methylsulfonyltoluene. In the production process of methylsulfonyltoluene, changing the gas-liquid contact mode of chloromethane passing into the reducing liquid will cause different conversion rates of p-Methylsulfonyltoluene. However, the existing jet device can only change the ejection speed of the gas, and has limited ability to adjust the ejection bubble morphology, and cannot better adjust the gas-liquid contact mode between the raw materials. [Summary of the invention]

[0003] The purpose of the present invention is to solve the problems in the prior art and to propose an injection device with adjustable gas-liquid contact mode, which can adjust the gas injection speed and the size of the generated bubbles, so as to find the best gas-liquid contact mode and effectively improve the conversion rate of methylsulfonyltoluene.

[0004] To achieve the above-mentioned purpose, the present invention proposes an injection device with adjustable gas-liquid contact mode, including an air tank, an injection disc, a pump and an air pipe, the pump is connected to the air tank and the injection disc respectively through the air pipe, the injection disc is provided with a plurality of nozzles, the nozzles include an outer shell, an air plate, a driving assembly and a motor, a plurality of air plates are respectively arranged in the outer shell from top to bottom, a plurality of openings are provided on the air plate around the axis, and partition nets are provided on some of the openings, the motor drives the air plate to rotate through the driving assembly so that one of the openings on the air plate is aligned with the airway in the outer shell.

[0005] Preferably, the jet disc includes an annular tube, a branch tube, a middle tube and a nozzle, the middle tube is located inside the annular tube and the center of the annular tube is located on the central axis of the middle tube, both ends of several branch tubes are respectively connected to the annular tube and the middle tube, several nozzles are respectively fixed on the annular tube, and the middle tube is connected to one end of the air pipe.

[0006] Preferably, the airway is provided with a constriction, and the constriction is located on a side of the airway close to the ring tube.

[0007] Preferably, the mesh densities of the partitions on different openings are different.

[0008] Preferably, the driving assembly includes a gear and a belt, the outer edge of the air plate is provided with teeth, the gear is rotatably fixed in the outer shell and meshes with the air plate, and the belt is respectively mounted on the rotating shaft of the gear and the output shaft of the motor.

[0009] Preferably, the number of the nozzles is 3 to 9.

[0010] Preferably, a flow meter is installed on the air pipe.

[0011] The beneficial effects of the present invention are as follows: the present invention adjusts the pumping speed of the gas through a pump, and utilizes a motor to drive different gas plates to rotate through a driving assembly, so that the designated openings of the gas plates can be aligned with the airway as required, thereby controlling the size of the bubbles through the superposition of the partitions, finding the best gas-liquid contact mode, and effectively improving the conversion rate of methylsulfonyltoluene, reducing the consumption of main raw materials, saving production costs, and improving the market competitiveness of products; by setting a flow meter to detect the size of the gas discharge volume, it is convenient for producers to use; by setting a constriction in the airway, it is convenient for the gas to pass through several layers of partitions.

[0012] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings.

Brief Description of the Drawings

[0013] Figure 1 It is a front view of an air injection device capable of adjusting the gas-liquid contact mode in operation according to the present invention;

[0014] Figure 2 It is a top view of an air jet disk of an air jet device capable of adjusting the air-liquid contact mode according to the present invention;

[0015] Figure 3 It is a front view of an air jet disk of an air jet device capable of adjusting the air-liquid contact mode of the present invention;

[0016] Figure 4 It is a front cross-sectional view of a gas plate of an air injection device capable of adjusting the gas-liquid contact mode of the present invention;

[0017] Figure 5 The present invention is a top view of a gas plate of an air injection device capable of adjusting the gas-liquid contact mode.

[0018] In the figure: 1-gas tank, 2-jet disc, 21-annular pipe, 22-branch pipe, 23-middle pipe, 24-nozzle, 241-outer shell, 2411-airway, 2412-neck, 242-gas plate, 2421-opening, 2422-partition net, 2423-teeth, 243-gear, 244-belt, 245-motor, 3-pump, 4-flow meter, 5-air pipe, 6-reactor. [Specific implementation method]

[0019] See also Figures 1 to 5 The present invention discloses an air jet device capable of adjusting a gas-liquid contact mode, comprising an air tank 1, an air jet disc 2, a pump 3 and an air pipe 5, wherein the pump 3 is connected to the air tank 1 and the air jet disc 2 respectively through the air pipe 5, and the air jet disc 2 is provided with a plurality of nozzles 24, wherein the nozzles 24 comprise an outer shell 241, an air plate 242, a driving assembly and a motor 245, wherein a plurality of air plates 242 are respectively arranged in the outer shell 241 from top to bottom, wherein a plurality of openings 2421 are arranged around an axis on the air plate 242, and a partition net 2422 is arranged on some of the openings 2421, wherein the motor 245 drives the air plate 242 to rotate respectively through the driving assembly so that one of the openings 2421 on the air plate 242 is aligned with the air passage 2411 in the outer shell 241, and the air jet disc 2 comprises an annular tube 21, a branch tube 22, a middle tube 23 and a nozzle 24, wherein the middle tube 23 is located in the annular tube 21 and the annular tube The center of the circle 21 is located on the central axis of the middle tube 23, the two ends of several branch tubes 22 are respectively connected with the ring tube 21 and the middle tube 23, several nozzles 24 are respectively fixed on the ring tube 21, the middle tube 23 is connected to one end of the air pipe 5, the airway 2411 is provided with a constriction 2412, the constriction 2412 is located on the side of the airway 2411 close to the ring tube 21, the mesh density of the partition net 2422 on different openings 2421 is different, the driving assembly includes a gear 243 and a belt 244, the outer edge of the air plate 242 is provided with teeth 2423, the gear 243 is rotatably fixed in the outer shell 241 and meshes with the air plate 242, the belt 244 is respectively sleeved on the rotating shaft of the gear 243 and the output shaft of the motor 245, the number of the nozzles 24 is 3 to 9, and the air pipe 5 is installed with a flow meter 4.

[0020] Working process of the present invention:

[0021] First, turn on the pump 3, so that the methyl chloride in the gas tank 1 is sprayed into the reducing liquid in the reactor 6 along the air pipe 5 through the jet disk 2. When the jet speed is low, the gas is sprayed out in the form of bubbles, forming a bubbling contact. As the jet speed gradually increases, the amount of gas passing through the liquid layer per unit time increases, and the gas-liquid contact mode changes from bubbling contact to honeycomb contact. When the jet speed further increases, the diameter of the bubbles passing through the liquid layer becomes smaller, forming a foam contact form. Then, the motor 245 can be used to drive the gas plate 242 to rotate through the belt 244 and the gear 243, and different openings 2421 can be aligned with the airway 2411 as required. Among them, the more the number of superimposed layers of the partition net 2422 in the airway 2411, or the greater the mesh density of the partition net 2422 itself, the smaller and denser the bubbles formed by the methyl chloride sprayed into the reducing liquid.

[0022] The present invention adjusts the pumping speed of the gas through a pump, and utilizes a motor to drive different gas plates to rotate through a driving component, so that the designated openings of the gas plates can be aligned with the airway as required, thereby controlling the size of the bubbles through the superposition of the partitions, finding the best gas-liquid contact mode, effectively improving the conversion rate of p-methylsulfonyltoluene, reducing the consumption of main raw materials, saving production costs, and improving the market competitiveness of products; by arranging a flow meter to detect the size of the gas discharge volume, it is convenient for producers to use; by arranging a constriction in the airway, it is convenient for the gas to pass through several layers of the partitions.

[0023] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention belongs to the protection scope of the present invention.

Claims

1. An air jet device capable of adjusting the gas-liquid contact mode, characterized in that: The invention comprises an air tank (1), an air jet disc (2), a pump (3) and an air pipe (5); the pump (3) is connected to the air tank (1) and the air jet disc (2) respectively through the air pipe (5); the air jet disc (2) is provided with a plurality of nozzles (24); the nozzles (24) comprise an outer shell (241), an air plate (242), a driving assembly and a motor (245); a plurality of air plates (242) are respectively arranged in the outer shell (241) from top to bottom; a plurality of openings (2421) are arranged on the air plate (242) around an axis; a partition net (2422) is arranged on some of the openings (2421); the motor (245) drives the air plate (242) to rotate through the driving assembly so that one of the openings (2421) on the air plate (242) is aligned with the air passage (2411) in the outer shell (241).

2. The gas injection device capable of adjusting the gas-liquid contact mode according to claim 1, characterized in that: The jet disc (2) comprises an annular tube (21), a branch tube (22), a middle tube (23) and a nozzle (24); the middle tube (23) is located inside the annular tube (21) and the center of the annular tube (21) is located on the central axis of the middle tube (23); two ends of a plurality of branch tubes (22) are respectively connected to the annular tube (21) and the middle tube (23); a plurality of nozzles (24) are respectively fixed on the annular tube (21); and the middle tube (23) is connected to one end of the air pipe (5).

3. The gas injection device capable of adjusting the gas-liquid contact mode as claimed in claim 2, characterized in that: The air passage (2411) is provided with a constriction (2412), and the constriction (2412) is located on a side of the air passage (2411) close to the annular tube (21).

4. The gas injection device capable of adjusting the gas-liquid contact mode according to claim 1, characterized in that: The mesh density of the partition nets (2422) on different openings (2421) is different.

5. The gas injection device capable of adjusting the gas-liquid contact mode according to claim 1, characterized in that: The driving assembly comprises a gear (243) and a belt (244); the outer edge of the air plate (242) is provided with teeth (2423); the gear (243) is rotatably fixed in the outer shell (241) and meshes with the air plate (242); the belt (244) is respectively sleeved on the rotating shaft of the gear (243) and the output shaft of the motor (245).

6. The gas injection device capable of adjusting the gas-liquid contact mode according to claim 1, characterized in that: The number of the nozzles (24) is 3 to 9.

7. The gas injection device capable of adjusting the gas-liquid contact mode according to claim 1, characterized in that: A flow meter (4) is installed on the air pipe (5).

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