CN215139718U

CN215139718U - High-flux metal tube type gas-liquid reactor

Info

Publication number: CN215139718U
Application number: CN202120149952.5U
Authority: CN
Inventors: 田菊梅; 张兴军; 王伟; 段斌; 张晖; 方向阳; 米江
Original assignee: Ningxia Academy Of Metrology & Quality Inspection
Current assignee: Ningxia Academy Of Metrology & Quality Inspection
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-12-14
Anticipated expiration: 2031-01-20

Abstract

The utility model relates to the field of reactors, and provides a high-flux metal tube type gas-liquid reactor, which comprises a mixing cylinder, wherein one end of the mixing cylinder is connected with a liquid inlet pipe, a bubbler is arranged on the mixing cylinder, the top end of the mixing cylinder is connected with an air inlet pipe, one end of the mixing cylinder, which is far away from the liquid inlet pipe, is connected with a conveying pipe, and one end of the conveying pipe, which is far away from the mixing cylinder, is provided with a hot water tank, the utility model adds the bubbler on the mixing cylinder, the bubbler can fully mix flowing water and air, simultaneously can reduce the scouring force of water and reduce the shaking of the pipeline, secondly, a molecular sieve layer is arranged on the inner wall of a spiral reaction pipe, the molecular sieve layer is provided with a plurality of micropores and mutually communicated tunnels, thereby not only increasing the contact area, but also accelerating the bubble nucleation speed by countless vaporization cores formed by corrosion and the stirring of local liquid, further strengthening the mass and heat transfer coefficient and greatly improving the reaction efficiency.

Description

High-flux metal tube type gas-liquid reactor

Technical Field

The utility model relates to a reactor field, in particular to high flux metal tube formula gas-liquid reactor.

Background

In chemical production, there are many gas-liquid reactions, such as chlorination, hydrogenation reduction, and oxygen oxidation, and the common reaction apparatus is a reaction kettle or a tower reactor, i.e. a gas phase material is introduced into a liquid phase in a bubbling manner at a certain pressure to perform a reaction. For example, in the preparation process of chlorotoluene, chlorine is introduced into a toluene solution from the bottom of a tower reactor, and the reaction degree, the product type and the like are controlled by controlling the flow rate of the chlorine. The gas-liquid reaction in such a reaction mode needs to accurately control the gas flow and the reaction time, the reaction degree is completely judged by an empirical method, the number of byproducts is large, and the working pressure for subsequent rectification, purification and the like is large. At present, partial enterprises adopt a continuous tubular reactor to replace a traditional reaction kettle for gas-liquid reaction, so that the production efficiency is obviously improved, the yield of byproducts is reduced, and the safety factor is improved.

However, when the continuous tubular reactor is used for gas-liquid reaction, a larger bubble space exists in the pipeline due to the continuous introduction of gas, and when bubbles are broken, liquid phase flow impact can be generated due to the existence of internal and external pressure difference, so that the reaction device shakes to cause certain potential safety hazards, and the improvement of the reaction efficiency is limited.

Disclosure of Invention

In order to solve the technical problem existing in the prior art, the utility model provides a high flux metal tubular gas-liquid reactor to what reduce reaction unit produced rocks, reduces the potential safety hazard, improves reaction efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high flux metal tube formula gas-liquid reactor, includes the mixing drum, the one end of mixing drum is connected with the feed liquor pipe, and installs the bubbler on the mixing drum, the top of mixing drum is connected with the intake pipe, and the one end that the mixing drum kept away from the feed liquor pipe is connected with the conveyer pipe, the conveyer pipe is kept away from the one end of mixing drum and is installed the hot-water tank, the internally mounted of hot-water tank has spiral reaction tube, the feed end of spiral reaction tube links to each other with the conveyer pipe, and the one end that the conveyer pipe was kept away from to spiral reaction tube is connected with the discharging pipe, install the bleeder valve on the discharging pipe, the inner wall of spiral reaction tube is equipped with the molecular sieve layer, the inside packing of hot-water tank has hot water, and the inner wall of hot-water tank is fixed with the heat preservation.

Preferably, a box cover is arranged on the top end cover of the hot water box, and the water level of the hot water is higher than the upper end surface of the spiral reaction tube.

Preferably, handles are symmetrically arranged on two sides of the top end of the box cover, and soft sleeves are sleeved outside the handles.

Preferably, the bottom end of the side wall of the hot water tank is connected with a drain pipe, and a drain valve is mounted on the drain pipe.

Preferably, a liquid inlet valve is installed on the liquid inlet pipe, and an air inlet valve is installed on the air inlet pipe.

Preferably, the outer wall of the hot water tank is provided with a visual window, and the visual window is of a rectangular structure.

The technical effects of the utility model reside in that:

1. the utility model discloses an add the bubbler on the mixing drum, the bubbler can let the water and the air intensive mixing of flowing through, can reduce the scouring force of water simultaneously, reduce rocking of pipeline, secondly, set up the molecular sieve layer through the inner wall at spiral reaction tube, the molecular sieve layer has numerous micropores and the tunnel of intercommunication each other, area of contact has not only been increased, innumerable vaporization core that erosion formed accelerates bubble nucleation speed, the stirring to local liquid has also been accelerated, further strengthened mass transfer coefficient of heat transfer, under many-sided combined action, reaction efficiency has obtained very big promotion, the safety risk has been reduced.

2. The utility model discloses an add the hot-water tank, and pack hot water in the hot-water tank, utilize hot water to carry out water bath heating to spiral reaction tube, can carry out the even heating to the gas-liquid in the spiral reaction tube, can effectively accelerate reaction rate, in addition, the heat preservation of addding can effectively keep warm, reduces the speed of hot water cooling.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the spiral reaction tube of the present invention;

FIG. 3 is a front view of the hot water tank of the present invention;

wherein, 1, mixing cylinder; 2. a liquid inlet pipe; 3. a liquid inlet valve; 4. a bubbler; 5. an air inlet pipe; 6. an intake valve; 7. a delivery pipe; 8. a hot water tank; 9. a spiral reaction tube; 10. a box cover; 11. a heat-insulating layer; 12. a discharge pipe; 13. a discharge valve; 14. a drain pipe; 15. a molecular sieve layer; 16. a visible window.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to fig. 3, the present invention provides the following technical solutions: a high-flux metal tube type gas-liquid reactor comprises a mixing cylinder 1, one end of the mixing cylinder 1 is connected with a liquid inlet pipe 2, a bubbler 4 is arranged on the mixing cylinder 1, the bubbler 4 is prepared by utilizing a molecular sieve or zeolite and meets the generation of micron-sized bubbles, the bubbler 4 can fully mix water and air flowing through and can reduce the scouring force of water and reduce the shaking of a pipeline, the top end of the mixing cylinder 1 is connected with an air inlet pipe 5, one end of the mixing cylinder 1 far away from the liquid inlet pipe 2 is connected with a conveying pipe 7, one end of the conveying pipe 7 far away from the mixing cylinder 1 is provided with a hot water tank 8, a spiral reaction pipe 9 is arranged inside the hot water tank 8, the pipe diameter of the spiral reaction pipe 9 is 2-5cm, the feeding end of the spiral reaction pipe 9 is connected with the conveying pipe 7, and one end of the spiral reaction pipe 9 far away from the conveying pipe 7 is connected with a discharging pipe 12, the discharge pipe 12 is provided with the discharge valve 13, the inner wall of the spiral reaction pipe 9 is provided with the molecular sieve layer 15, the molecular sieve layer 15 is provided with a plurality of micropores and mutually communicated tunnels, the contact area is increased, the bubble nucleation speed is accelerated by countless vaporization cores formed by corrosion, meanwhile, the stirring of local liquid is accelerated in the process of growing and escaping of bubbles by the mutually communicated porous molecular sieve layer 15, the mass transfer and heat transfer coefficient is further enhanced, the reaction efficiency is greatly improved under the combined action of multiple aspects, so that the safety risk is reduced, the production efficiency is improved, the hot water is filled in the hot water tank 8, the heat preservation layer 11 is fixed on the inner wall of the hot water tank 8, the spiral reaction pipe 9 is heated in a water bath by utilizing the hot water, the gas and liquid in the spiral reaction pipe 9 can be uniformly heated, the reaction rate can be effectively accelerated, wherein, the added heat preservation layer 11 can effectively preserve heat and reduce the cooling speed of hot water.

Furthermore, a box cover 10 is arranged at the top end cover of the hot water tank 8, the water surface height of hot water is higher than the upper end surface of the spiral reaction tube 9, and the box cover 10 covers the top end of the hot water tank 8, so that the hot water cooling speed can be reduced, and the reaction is facilitated.

Further, handles are symmetrically arranged on two sides of the top end of the box cover 10, a soft sleeve is sleeved outside the handles, and the box cover 10 is opened and closed through the handles, so that the box cover is convenient and labor-saving.

Further, the bottom end of the side wall of the hot water tank 8 is connected with a drain pipe 14, a drain valve is mounted on the drain pipe 14, the drain valve is opened, and water in the hot water tank 8 can be drained from the drain pipe 14, so that convenience is brought.

Further, install feed liquor valve 3 on the feed liquor pipe 2, install admission valve 6 on the intake pipe 5, can control the volume of letting in of liquid and gas in a flexible way through feed liquor valve 3 and admission valve 6.

Furthermore, the visible window 16 is installed on the outer wall of the hot water tank 8, and the visible window 16 is a rectangular structure, so that the internal condition of the hot water tank 8 can be visually observed through the visible window 16, and the hot water tank is practical.

The utility model discloses a theory of operation and use flow: the utility model discloses a when using: liquid phase material liquid inlet pipe 2 enters mixing cylinder 1, gas phase enters bubbler 4 through gas inlet pipe 5, two components are mixed evenly and then enter spiral reaction pipe 9 through delivery pipe 7 to carry out gas-liquid reaction, the material after the reaction is discharged from discharge pipe 12, wherein, molecular sieve layer 15 on the inner wall of spiral reaction pipe 9 is provided with a plurality of micropores and tunnels communicated with each other, which not only increases contact area, countless vaporization cores formed by corrosion accelerate bubble nucleation speed, but also accelerates stirring of local liquid, further strengthens mass and heat transfer coefficients, thereby reduces safety risk and improves production efficiency, hot water in hot water tank 8 is used for heating spiral reaction pipe 9 in water bath, gas-liquid in spiral reaction pipe 9 can be heated evenly, reaction rate can be accelerated effectively, wherein, the added heat preservation layer 11 can effectively preserve heat, the cooling speed of the hot water is reduced.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. A high throughput metal tube gas-liquid reactor characterized by: the device comprises a mixing barrel (1), wherein one end of the mixing barrel (1) is connected with a liquid inlet pipe (2), a bubbler (4) is arranged on the mixing barrel (1), the top end of the mixing barrel (1) is connected with an air inlet pipe (5), one end, far away from the liquid inlet pipe (2), of the mixing barrel (1) is connected with a conveying pipe (7), one end, far away from the mixing barrel (1), of the conveying pipe (7) is provided with a hot water tank (8), a spiral reaction pipe (9) is arranged inside the hot water tank (8), the feeding end of the spiral reaction pipe (9) is connected with the conveying pipe (7), one end, far away from the conveying pipe (7), of the spiral reaction pipe (9) is connected with a discharging pipe (12), a discharging valve (13) is arranged on the discharging pipe (12), the inner wall of the spiral reaction pipe (9) is provided with a molecular sieve layer (15), and hot water is filled inside the hot water tank (8), and the inner wall of the hot water tank (8) is fixed with a heat preservation layer (11).

2. A high throughput metal tubular gas-liquid reactor as recited in claim 1, wherein: the top end cover of the hot water tank (8) is provided with a tank cover (10), and the water surface height of the hot water is higher than the upper end surface of the spiral reaction tube (9).

3. A high throughput metal tubular gas-liquid reactor as recited in claim 2, wherein: handles are symmetrically arranged on two sides of the top end of the box cover (10), and soft sleeves are sleeved outside the handles.

4. A high throughput metal tubular gas-liquid reactor as recited in claim 1, wherein: the bottom end of the side wall of the hot water tank (8) is connected with a drain pipe (14), and a drain valve is installed on the drain pipe (14).

5. A high throughput metal tubular gas-liquid reactor as recited in claim 1, wherein: install feed liquor valve (3) on feed liquor pipe (2), install admission valve (6) on intake pipe (5).

6. A high throughput metal tubular gas-liquid reactor as recited in claim 1, wherein: the outer surface wall of the hot water tank (8) is provided with a visual window (16), and the visual window (16) is of a rectangular structure.