CN217614663U - Adjustable gas-liquid mixing reactor - Google Patents

Abstract

The utility model discloses a gas-liquid mixture reactor with adjustable, including mixing chamber, front end taper pipe, straight tube section, the rear end taper pipe that connects gradually, the mixing chamber both sides are provided with reaction liquid import and reaction gas import, and reaction liquid import and reaction gas import link to each other with reaction liquid pipeline and reaction gas pipeline respectively through interface flange, the reaction liquid import still is connected with the import return bend that bends to front end taper pipe center, the reaction gas pipe is provided with the flowmeter on the road, is provided with the aciculiform governing valve on the mixing chamber, be equipped with interlocking regulation logic between aciculiform governing valve and the flowmeter, according to the undulant automatically regulated reaction liquid feed flow of flowmeter. The utility model discloses can adjust the reaction liquid feeding through the needle-shaped governing valve according to the flow of reaction gas, ensure to maintain the best pressure of double-phase mixed reaction and velocity of flow, promote reaction rate, can reduce the quantity of tail gas in addition, application scope is wide, has economic nature and practicality, is applicable to and relates to the double-phase industrial application of gas-liquid.

Description

Adjustable gas-liquid mixing reactor

Technical Field

The utility model belongs to the technical field of chemical engineering equipment, concretely relates to gas-liquid mixture reactor with adjustable.

Background

The gas-liquid mixer has very wide application in the industrial fields of chemical industry, environmental protection and the like. In the prior art, most of the reaction gases have the possibility of fluctuation, which causes the flow rates of the gas phase and the liquid phase to be mismatched, and if the reaction liquid and the reaction gases are not matched according to the flow rates, the following disadvantages will be brought. Firstly, the pressure and flow rate of the reaction gas may not rise, resulting in failure of gas-liquid mixing reaction and influence on conversion rate; secondly, unreacted gas is discharged to a tail gas treatment system, so that the load of tail gas treatment is increased, and material waste is caused. Therefore, the development of an adjustable gas-liquid mixing reactor which can be adjusted according to actual working conditions, improves the mixing reaction effect, is convenient to modify, is energy-saving and environment-friendly and is suitable for continuous production is an urgent need.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem condition, the utility model provides a gas-liquid mixture reactor with adjustable solves among the prior art that the reaction gas is undulant and the gas-liquid mixture efficiency that causes is low and technical problem such as tail gas treatment load increase.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

the utility model provides a gas-liquid mixture reactor with adjustable, is including the mixing chamber, front end taper pipe, straight tube section, the rear end taper pipe that connect gradually, the mixing chamber both sides are provided with reaction liquid import and reaction gas import, and reaction liquid import and reaction gas import pass through interface flange and link to each other with reaction liquid pipeline and reaction gas pipeline respectively, the reaction liquid import still is connected with the import return bend that bends to front end taper pipe center, be provided with the flowmeter on the reaction gas pipeline, be provided with the aciculiform governing valve on the mixing chamber, be equipped with aciculiform interlocking regulation logic between governing valve and the flowmeter, undulant automatically regulated reaction liquid feeding flow according to the flow of flowmeter.

As a further technical scheme, the mixing chamber, the front end taper pipe, the straight pipe section and the rear end taper pipe are coaxially arranged.

As a further technical scheme, the length ratio of the front end taper pipe, the straight pipe section and the rear end taper pipe is as follows: (3 to 4): (5 to 7): (3 to 4).

As a further technical scheme, the front end conical pipe is in a necking arrangement, the rear end conical pipe is in an expanding arrangement, and the diameter of the outlet of the front end conical pipe, the diameter of the inlet of the rear end conical pipe and the diameter of the straight pipe section are equal.

As a further technical scheme, the contraction angle alpha of the front-end conical tube and the expansion angle beta of the rear-end conical tube are 15-20 degrees.

As a further technical scheme, the needle-shaped regulating valve is arranged in the middle of the mixing chamber and is aligned with an inlet elbow of the reaction liquid.

As a further technical scheme, the reactor is made of corrosion-resistant materials.

Advantageous effects

The utility model discloses technical scheme compares with prior art, has following beneficial effect:

(1) The reaction gas inlet pipe of the utility model is provided with a flowmeter, which can monitor the gas phase flow so as to judge the abnormal condition;

(2) The mixing chamber of the utility model is provided with the needle-shaped regulating valve, which can regulate the feeding flow of the reaction liquid according to the inflow of the reaction gas, ensure the best pressure and flow velocity and improve the effect of the gas-liquid two-phase material mixing reaction;

(3) The liquid phase material of the reactor of the utility model is injected without additionally adding a circulating pump, a vacuum area is formed at a high flow rate by means of the power of the reaction liquid feeding, and reaction gas is pumped for mixed reaction, so that more energy is saved;

(4) The reactor of the utility model is provided with a front section taper pipe and a rear end taper pipe, the front end taper pipe is arranged in a necking way, the rear end taper pipe is arranged in an expanding way, and the gas-liquid two phases have compressed and diffused space, thereby improving the effect of mixed reaction;

(5) Adopt the technical scheme of the utility model, can adjust, mix the advantage that the reaction effect promotes, reforms transform convenience, energy-concerving and environment-protective, be fit for serialization production according to operating condition, be applicable to the application of industrialization.

Drawings

FIG. 1 is a schematic structural view of an adjustable gas-liquid mixing reactor of the present invention;

in the figure: 1. a reaction liquid pipeline; 2. a reaction liquid inlet; 3. a mixing chamber; 4. a front end taper pipe; 5. a straight pipe section; 6. a rear end cone; 7. a flow meter; 8. a reaction gas line; 9. a reaction gas inlet; 10. and a needle-shaped regulating valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, an adjustable gas-liquid mixing reactor comprises a mixing chamber 3, a front-end taper pipe 4, a straight pipe section 5 and a rear-end taper pipe 6 which are connected in sequence, wherein a reaction liquid inlet 2 and a reaction gas inlet 9 are arranged on two sides of the mixing chamber 3, the upper end of an inlet of the mixing reactor is provided with the reaction liquid inlet 2, and the mixing reactor is provided with a pipeline interface flange and is connected with a reaction liquid pipeline 1 through the interface flange; the bottom of the mixing reactor is provided with a reaction gas inlet 9 which is connected with a reaction gas pipeline 8 through an interface flange. The reaction liquid inlet 2 is also connected with an inlet elbow bent towards the center of the front-end conical pipe 4.

The mixing chamber 3, the front end taper pipe 4, the straight pipe section 5 and the rear end taper pipe 6 are coaxially arranged; the length ratio of the front-end taper pipe to the straight pipe section to the rear-end taper pipe is as follows: (3 to 4): (5 to 7): (3 to 4); the front end conical pipe is in a necking arrangement, the rear end conical pipe is in an expanding arrangement, and the diameter of the outlet of the front end conical pipe, the diameter of the inlet of the rear end conical pipe and the diameter of the straight pipe section are equal; the contraction angle alpha of the front-end conical tube and the expansion angle beta of the rear-end conical tube are 15-20 degrees.

In order to monitor the flow rate of the reaction gas in real time, a flow meter 7 is provided on the reaction gas line 9, and a needle regulating valve 10 is provided on the mixing chamber 3, the needle regulating valve 10 being provided in the middle of the mixing chamber 3 in alignment with the inlet elbow of the reaction liquid. An interlocking regulation logic is arranged between the needle-shaped regulating valve 10 and the flowmeter 7 for interlocking regulation, and the feeding flow of the reaction liquid can be automatically regulated according to the actual flow fluctuation of the flowmeter 7. The interlocking adjustment is realized in particular in such a way that: the gas phase flow meter and the liquid phase flow rate are set to values matched with each other, such as: when the gas phase flow is a-b value, the opening of the regulating valve is 10%; when the gas phase flow rate is c-d, the opening of the regulating valve is 50%; when the gas phase flow is e-f, the opening of the regulating valve is 80%; when the gas phase flow measured by the flow meter is a value a, the measured value is input to a PLC (Programmable Logic Controller) or DCS (Distributed Control System) System, the System is programmed with a Logic Control program (when the program means the flow is the value a, the opening degree of the regulating valve is 10%), the System processes an input signal and outputs a Control signal to the needle-shaped regulating valve, and a valve core on the pillow-shaped regulating valve is used for controlling a flow channel on a pipeline, so that the flow is matched with the flow of a gas phase channel.

The utility model discloses a gas-liquid mixture reactor with adjustable concrete at the during operation, the reaction gas in the reaction gas pipeline 8 passes through reaction gas import 9 and gets into mixing chamber 3, diffuses to in the space again. When reaction liquid in the reaction liquid pipeline 1 enters the material pipeline through the reaction liquid inlet 2 and is sprayed out of the pipeline, a local vacuum area is formed and the material is brought to the front section taper pipe 4; compressing the material in the reducing space in the front-section conical pipe 4, and further compressing and mixing for reaction; the material continues to stay diffusion reaction in straight tube section 5, because of straight tube section 5 pipe diameter is less, the material will be in this compression space and continue the internal mixing reaction, promotes the effect of mixing reaction, and the 6 flaring blowout of rear end taper pipe is to low reaches at last.

When the flow rate of the reaction gas fluctuates, manual observation can be performed through the flow meter 7; meanwhile, the needle-shaped regulating valve 10 on the mixing chamber 3 can automatically regulate according to the flow of the reaction gas 8, ensure that the flow of the reaction liquid feeding can be automatically regulated according to the actual situation, ensure to maintain the necessary pressure and flow velocity, and ensure that the gas-liquid mixing reactor can achieve the optimal mixing reaction effect.

The utility model adopts corrosion-resistant materials, which is suitable for the corrosive working conditions of acid and alkali; various existing corrosion-resistant materials can be used in the present application; the size of the mixing reactor is relatively small, and the mixing reactor is suitable for a scene with compact space; the utility model utilizes the front section taper pipe and the straight pipe section to mix and react the materials, thereby improving the mixing effect; can pass through the needle governing valve according to the flow of reaction gas and adjust the reaction liquid feeding, ensure to maintain the best pressure of double-phase mixed reaction and velocity of flow, promoted reaction rate, the utility model discloses can not only adjust to the best mixed reaction operating mode according to actual flow, the yield of great increase reaction, and can reduce the quantity of tail gas, application scope is wide, has economic nature and practicality, is applicable to and relates to the double-phase industrial application of gas-liquid.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. The utility model provides a gas-liquid mixture reactor with adjustable, its characterized in that, is including mixing chamber (3), front end taper pipe (4), straight tube section (5), rear end taper pipe (6) that connect gradually, mixing chamber (3) both sides are provided with reaction liquid import (2) and reaction gas import (9), and reaction liquid import (2) and reaction gas import (9) link to each other with reaction liquid pipeline (1) and reaction gas pipeline (8) respectively through interface flange, reaction liquid import (2) still are connected with the import return bend of bending to front end taper pipe (4) center, be provided with flowmeter (7) on reaction gas pipeline (8), be provided with aciculiform governing valve (10) on mixing chamber (3), be equipped with the interlocking and adjust the logic between aciculiform governing valve (10) and flowmeter (7), according to the undulant automatically regulated reaction liquid feed flow of the flow of flowmeter (7).

2. The adjustable gas-liquid mixing reactor as claimed in claim 1, wherein the mixing chamber (3), the front-end taper pipe (4), the straight pipe section (5) and the rear-end taper pipe (6) are coaxially arranged.

3. The adjustable gas-liquid mixing reactor as claimed in claim 2, wherein the length ratio of the front-end taper pipe (4), the straight pipe section (5) and the rear-end taper pipe (6) is: (3 to 4): (5 to 7): (3 to 4).

4. The adjustable gas-liquid mixing reactor as recited in claim 2, wherein the front end conical pipe (4) is in a necking arrangement, the rear end conical pipe (6) is in a flaring arrangement, and the diameter of the outlet of the front end conical pipe (4), the diameter of the inlet of the rear end conical pipe (6) and the diameter of the straight pipe section (5) are equal.

5. The adjustable gas-liquid mixing reactor as recited in claim 4, wherein the contraction angle α of the front cone (4) and the expansion angle β of the rear cone (6) are 15 ° -20 °.

6. The tunable gas-liquid mixing reactor according to claim 1, wherein the needle regulating valve (10) is disposed at the middle of the mixing chamber (3) in alignment with the inlet elbow of the reaction solution.

7. The tunable gas-liquid mixing reactor according to claim 1, wherein the reactor is made of a corrosion-resistant material.

Images