Automatic hydrogenation purification equipment for nitrogen

Abstract

The utility model provides automatic nitrogen hydrogenation purification equipment, which relates to the technical field of nitrogen purification equipment and comprises a mixing reaction kettle, a premixing mechanism is fixedly connected to the periphery of the mixing reaction kettle close to the front bottom, the top of the mixing reaction kettle extends into the mixing reaction kettle to be fixedly connected with a stirring mechanism, and the premixing mechanism comprises a premixer. Connecting holes are symmetrically formed in the front face of the premixer, a mixing cavity is formed in the position, close to the front face, of the interior of the premixer, a spiral mixing channel is formed in the position, close to the center, of the interior of the premixer and located on the back face of the mixing cavity, and a conveying cavity is formed in the position, close to the back face, of the interior of the premixer and communicates with the spiral mixing channel. The conveying cavity is communicated with the inside of the mixing reaction kettle, the stirring mechanism comprises a kettle cover, and the top of the kettle cover is fixedly connected with a speed reducer. Through the design, the mixing efficiency of hydrogen and nitrogen can be effectively improved, so that the nitrogen purification efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen purification equipment technical field especially relates to a nitrogen automatic hydrogenation purification equipment. BACKGROUND

[0002] Nitrogen purification refers to the use of physical or chemical methods to remove impurities in nitrogen, industrial nitrogen impurity removal is mainly to remove oxygen in nitrogen, to improve the purity of nitrogen,

[0003] In the prior art, nitrogen purification is to remove impurities in nitrogen, and the existing nitrogen purification is mainly purified by nitrogen purification equipment, and the nitrogen purification equipment mainly reacts trace oxygen in hydrogen and general nitrogen produced by nitrogen making machine to remove oxygen to generate water, then uses adsorption drying equipment to remove water, carbon dioxide and other impurities in nitrogen to obtain high-purity nitrogen, wherein, when nitrogen and hydrogen react, nitrogen and hydrogen need to be fully mixed, and the existing nitrogen purification equipment is uniformly mixed by static mixer, and the mixing efficiency of static mixer can be improved in the mixing process, therefore, we propose a kind of nitrogen automatic hydrogenation purification equipment. UTILITARIAN CONTENT

[0004] The utility model aims at solving the shortcomings in prior art, nitrogen purification is to remove impurities in nitrogen, and the existing nitrogen purification is mainly purified by nitrogen purification equipment, and the nitrogen purification equipment mainly reacts trace oxygen in hydrogen and general nitrogen produced by nitrogen making machine to remove oxygen to generate water, then uses adsorption drying equipment to remove water, carbon dioxide and other impurities in nitrogen to obtain high-purity nitrogen, wherein, when nitrogen and hydrogen react, nitrogen and hydrogen need to be fully mixed, and the existing nitrogen purification equipment is uniformly mixed by static mixer, and the mixing efficiency of static mixer can be improved in the mixing process.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of nitrogen automatic hydrogenation purification equipment, including mixing reaction kettle, the periphery of the mixing reaction kettle is close to the bottom of front face and is fixedly connected with premixing mechanism, the top of the mixing reaction kettle extends to the inside and is fixedly connected with stirring mechanism;

[0007] The premixing mechanism comprises a premixer, a connecting hole is symmetrically formed in the front face of the premixer, a mixing cavity is formed in the interior of the premixer close to the front face, a spiral mixing channel is formed in the interior of the premixer close to the center and at the back face of the mixing cavity, a conveying cavity is formed in the interior of the premixer close to the back face and in communication with the spiral mixing channel, and the conveying cavity is in communication with the interior of the mixing reaction kettle;

[0008] The stirring mechanism comprises a kettle cover, a speed reducer is fixedly connected to the top of the kettle cover, a driving motor is fixedly connected to the right side face of the speed reducer, a stirring shaft is rotatably connected to the bottom of the speed reducer, the stirring shaft extends through the kettle cover to the interior of the mixing reaction kettle, and a mixing assembly is fixedly connected to the periphery of the stirring shaft.

[0009] As a preferred scheme of the present application, the front face of the connecting hole is in communication with a nitrogen gas pipeline close to the left side, and a first electric control flow valve is sleeved on the periphery of the nitrogen gas pipeline close to the connecting hole.

[0010] As a preferred scheme of the present application, the front face of the connecting hole is in communication with a hydrogen gas pipeline close to the right side, and a second electric control flow valve is sleeved on the periphery of the hydrogen gas pipeline close to the connecting hole.

[0011] The technical effect of the above further scheme is that the second electric control flow valve can effectively control the opening and closing of the hydrogen gas pipeline and calculate the flow of hydrogen, thereby facilitating the proportional mixing of hydrogen and nitrogen.

[0012] As a preferred scheme of the present application, the periphery of the mixing reaction kettle is in communication with a conveying pipe close to the right side bottom, and a third electric control flow valve is sleeved on the periphery of the conveying pipe.

[0013] As a preferred scheme of the present application, the periphery of the mixing reaction kettle is fixedly connected with a controller above the premixer close to the front bottom.

[0014] As a preferred scheme of the present application, the bottom of the mixing reaction kettle is fixedly connected with a square base, and the base is fixedly connected with the mixing reaction kettle.

[0015] The technical effect of the above further scheme is that the base can effectively support the mixing reaction kettle to ensure the stability of the mixing reaction kettle.

[0016] As a preferred scheme of the present application, the top of the kettle cover is fixedly connected with a pressure gauge close to the right side, and the pressure gauge penetrates through the kettle cover and is connected with the interior of the mixing reaction kettle.

[0017] As a preferred scheme of the present application, the mixing assembly comprises a mixing plate fixedly connected with the stirring shaft, and a plurality of drag reduction holes are formed in the surface of the mixing plate.

[0018] The technical effect of the further scheme is that the mixing plate can effectively mix hydrogen and nitrogen in the mixing reaction kettle, the resistance-reducing holes can effectively reduce the resistance during stirring and accelerate the flow speed, and the mixing effect is ensured.

[0019] Compared with the prior art, the utility model has the advantages of:

[0020] In the utility model, the premixer in the premixing mechanism can be communicated with the nitrogen pipeline and the hydrogen pipeline through the connecting hole, so that the supply of hydrogen and nitrogen is facilitated, and the hydrogen and the nitrogen can be preliminarily mixed and contacted in the mixing cavity, then enter the spiral mixing channel, and the spiral mixing channel is in a spiral shape and narrow, so that the hydrogen and the nitrogen can be fully mixed when entering, the conveying cavity is communicated with the mixing reaction kettle, so that conveying is facilitated, the driving motor reducer in the stirring mechanism can effectively drive the stirring shaft to rotate, the stirring shaft can drive the mixing assembly to mix the preliminarily mixed hydrogen and nitrogen again, and the preliminarily mixed hydrogen and nitrogen do not need to be mixed for too long time, so that the mixing efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure schematic view of the utility model;

[0022] Figure 2 It is a premixing mechanism plane structure schematic view of the utility model;

[0023] Figure 3 It is a mixing reaction kettle plane structure schematic view of the utility model;

[0024] Figure 4 It is a premixer structure schematic view of the utility model.

[0025] Legend: 1, mixing reaction kettle; 11, conveying pipe; 111, third electric control flow valve; 12, controller; 13, base; 2, premixing mechanism; 21, premixer; 22, connecting hole; 221, nitrogen pipeline; 222, first electric control flow valve; 223, hydrogen pipeline; 224, second electric control flow valve; 23, mixing cavity; 24, spiral mixing channel; 25, conveying cavity; 3, stirring mechanism; 31, kettle cover; 311, pressure gauge; 32, speed reducer; 33, driving motor; 34, stirring shaft; 35, mixing assembly; 351, mixing plate; 352, resistance-reducing hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those of ordinary skill in the art without any creative effort belong to the scope of protection of the present application.

[0027] In order to facilitate the understanding of the present application, the present application will be more fully described below with reference to the related description of the present application, and several embodiments of the present application are given. However, the present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0028] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be an intervening element between them. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element between them. The terms "vertical", "horizontal", "left", "right", and similar terms used herein are for illustrative purposes only.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein only for the purpose of describing specific embodiments of the present application, and is not intended to limit the present application. The term "and / or" used herein includes any and all combinations of one or more of the associated listed items.

[0030] Embodiment 1

[0031] As Figures 1-4As shown, the utility model provides a technical scheme: a kind of nitrogen automatic hydrogenation purification equipment, including mixed reaction kettle 1, and the periphery of mixed reaction kettle 1 is close to the front bottom place and is fixed with premixing mechanism 2, and the top of mixed reaction kettle 1 extends to inside and is fixed with stirring mechanism 3, premixing mechanism 2 includes premixer 21, and the front of premixer 21 is symmetrically provided with connecting hole 22, and the inside of premixer 21 is close to the front and is provided with mixing cavity 23, and the inside of premixer 21 is close to the center and is located the back of mixing cavity 23 and is provided with spiral mixing channel 24, and the inside of premixer 21 is close to the back and is provided with conveying cavity 25 with spiral mixing channel 24, and conveying cavity 25 is communicated with the inside of mixed reaction kettle 1, and stirring mechanism 3 includes kettle cover 31, and the top of kettle cover 31 is fixed with speed reducer 32, and the right side of speed reducer 32 is fixed with driving motor 33, and the bottom of speed reducer 32 is rotatably connected with stirring shaft 34, and stirring shaft 34 extends to the inside of mixed reaction kettle 1 through kettle cover 31, and the periphery of stirring shaft 34 is fixed with mixing assembly 35.

[0032] Example 2

[0033] As Figures 1-4 Shown, the front of connecting hole 22 is close to the left side and is communicated with nitrogen pipeline 221, and the periphery of nitrogen pipeline 221 is close to connecting hole 22 and is provided with first electric control flow valve 222, to facilitate nitrogen delivery.

[0034] The front of connecting hole 22 is close to the right side and is communicated with hydrogen pipeline 223, and the periphery of hydrogen pipeline 223 is close to connecting hole 22 and is provided with second electric control flow valve 224, to facilitate hydrogen delivery.

[0035] The periphery of mixed reaction kettle 1 is close to the right side bottom and is communicated with conveying pipe 11, and the periphery of conveying pipe 11 is provided with third electric control flow valve 111, to facilitate the mixed hydrogen and nitrogen to be delivered to deoxidizer.

[0036] The periphery of mixed reaction kettle 1 is close to the front bottom and is fixed with controller 12 above premixer 21, to facilitate control.

[0037] The bottom of mixed reaction kettle 1 is fixed with square base 13, and base 13 is fixed with mixed reaction kettle 1.

[0038] The top of kettle cover 31 is close to the right side and is fixed with pressure gauge 311, and pressure gauge 311 penetrates kettle cover 31 and is connected with the inside of mixed reaction kettle 1, to facilitate pressure detection.

[0039] Mixing assembly 35 includes mixing plate 351 fixed with stirring shaft 34, and the surface of mixing plate 351 is provided with a plurality of drag reduction holes 352.

[0040] The utility model discloses a work flow: when using a kind of nitrogen automatic hydrogenation purification equipment, first, control first electric control flow valve 222 and second electric control flow valve 224 open, after opening, the nitrogen and hydrogen supplied from outside enter into mixed cavity 23 by nitrogen pipeline 221 and hydrogen pipeline 223, after entering into mixed cavity 23, hydrogen and nitrogen contact impact and fuse each other, and with the continuous delivery of hydrogen and nitrogen in hydrogen pipeline 223 and nitrogen pipeline 221, hydrogen and nitrogen in the inside of mixed cavity 23 are extruded into the inside of spiral mixing channel 24, after the continuous delivery of spiral mixing channel 24, hydrogen and nitrogen further fuse, finally along delivery cavity 25 enter into the inside of mixed reaction kettle 1, drive motor 33 and speed reducer 32 drive stirring shaft 34 to rotate, stirring shaft 34 then drives mixing assembly 35 to mix hydrogen and nitrogen again, and when the delivery of quantitative hydrogen and nitrogen is completed, first electric control flow valve 222 and second electric control flow valve 224 can be closed after one minute after closing drive motor 33, at this time, hydrogen and nitrogen are fully mixed, the utility model is designed, and the mixing efficiency of hydrogen and nitrogen can be effectively improved, so as to effectively improve the efficiency of nitrogen purification.

[0041] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automatic nitrogen hydrogenation purification device, comprising a mixing reactor (1), characterized in that: A premixing mechanism (2) is fixedly connected to the periphery of the mixing reactor (1) near the bottom front, and a stirring mechanism (3) is fixedly connected to the top of the mixing reactor (1) extending into the interior. The premixing mechanism (2) includes a premixer (21), with connecting holes (22) symmetrically opened on the front side of the premixer (21), a mixing chamber (23) opened near the front side of the premixer (21), a spiral mixing channel (24) opened near the center of the premixer (21) and on the back side of the mixing chamber (23), and a conveying chamber (25) opened near the back side of the premixer (21) and communicating with the spiral mixing channel (24), and the conveying chamber (25) is connected to the interior of the mixing reactor (1); The stirring mechanism (3) includes a vessel cover (31), a speed reducer (32) is fixedly connected to the top of the vessel cover (31), a drive motor (33) is fixedly connected to the right side of the speed reducer (32), and a stirring shaft (34) is rotatably connected to the bottom of the speed reducer (32). The stirring shaft (34) extends through the vessel cover (31) into the interior of the mixing reactor (1), and a mixing component (35) is fixedly connected to the periphery of the stirring shaft (34).

2. The automatic nitrogen hydrogenation purification device according to claim 1, characterized in that: A nitrogen pipe (221) is connected to the front of the connecting hole (22) near the left side, and a first electrically controlled flow valve (222) is sleeved on the periphery of the nitrogen pipe (221) near the connecting hole (22).

3. The automatic nitrogen hydrogenation purification device according to claim 1, characterized in that: A hydrogen pipeline (223) is connected to the front of the connection hole (22) near the right side, and a second electrically controlled flow valve (224) is sleeved on the periphery of the hydrogen pipeline (223) near the connection hole (22).

4. The automatic nitrogen hydrogenation purification device according to claim 1, characterized in that: The mixing reactor (1) is connected to a conveying pipe (11) near the bottom of the right side. A third electrically controlled flow valve (111) is fitted around the conveying pipe (11).

5. The automatic nitrogen hydrogenation purification device according to claim 1, characterized in that: A controller (12) is fixedly attached to the periphery of the mixing reactor (1) near the bottom front and above the premixer (21).

6. The automatic nitrogen hydrogenation purification device according to claim 1, characterized in that: The bottom of the mixing reactor (1) is fixedly connected to a square base (13), and the base (13) is fixedly connected to the mixing reactor (1).

7. The automatic nitrogen hydrogenation purification device according to claim 1, characterized in that: A pressure gauge (311) is fixed to the top of the vessel lid (31) near the right side. The pressure gauge (311) passes through the vessel lid (31) and is connected to the interior of the mixing reactor (1).

8. The automatic nitrogen hydrogenation purification device according to claim 1, characterized in that: The mixing assembly (35) includes a mixing plate (351) fixedly connected to the stirring shaft (34), and the surface of the mixing plate (351) is provided with a plurality of drag-reducing holes (352).

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