Self-suction stirrer for hydrogenation kettle

Abstract

The utility model discloses a self-suction stirrer for a hydrogenation kettle, which comprises a tank body and a top cover, and the top cover is arranged at the upper end of the tank body; a support is arranged at the upper end of the top cover, an air-entrapping device is arranged at the upper end of the support, an air-entrapping pipe is arranged at the air-entrapping end of the air-entrapping device, and the air-entrapping pipe extends into the cavity of the tank body and is connected with an air-distributing pipe; the gas distribution pipe extends to the lower side of the tank body, and a plurality of one-way nozzles are arranged on a pipe body of the gas distribution pipe; a gas filling pipe is arranged at the gas filling end of a gas filling device, extends into the cavity of the tank body and is connected with a gas distributing pipe; the gas distribution pipe extends to the lower side of the tank body, meanwhile, a plurality of one-way nozzles are arranged on a pipe body of the gas distribution pipe, gas is injected into the tank body from the lower side and the side direction of the tank body, the driving motor is started while the gas is injected, and the rotating stirring rod stirs the injected reaction gas and liquid; and the reaction efficiency is accelerated in the rising process of the injected reaction gas.

Description

Technical Field

[0001] The utility model relates to the technical field of self-priming agitators, and specifically relates to a self-priming agitator for a hydrogenation kettle. Background Art

[0002] In the related art, hydrogenation reactions use catalysts with relatively high density and uneven distribution, which requires the gas to penetrate deeply into the liquid to increase the reaction rate. This requires the selection of a suitable reactor to meet the requirements.

[0003] In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related art:

[0004] In traditional agitator spaces, due to the immiscibility of gas and liquid in liquid and the large density difference, the reaction gas injected by the agitator tends to accumulate in the upper space of the tank, seriously affecting the reaction rate. Utility Model Content

[0005] The purpose of the utility model is to provide a self-priming agitator for a hydrogenation kettle to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-priming agitator for a hydrogenation kettle, comprising a tank body and a top cover, wherein the top cover is arranged at the upper end of the tank body; a bracket is arranged at the upper end of the top cover, and a gas filling device is arranged at the upper end of the bracket, and a gas filling pipe is arranged at the gas filling end of the gas filling device, and the gas filling pipe extends into the cavity of the tank body and is connected to a gas distribution pipe; the gas distribution pipe extends to the lower side of the tank body, and a plurality of one-way nozzles are arranged on the pipe body of the gas distribution pipe; a driving motor is arranged at the lower end of the tank body, and the driving end of the driving motor extends into the cavity of the tank body and is provided with a stirring rod.

[0007] Preferably, supporting legs are provided on the side wall of the tank body, the number of the supporting legs is 4, and a supporting plate is provided between the 4 supporting legs, and the supporting plate supports the driving motor.

[0008] Preferably, a discharge port is provided at the lower end of the tank body, a discharge pipe is inserted into the discharge port, and a feed port is provided on the top cover, a feed port is inserted into the feed pipe.

[0009] Preferably, the gas distribution pipes are arcuate gas distribution pipes, the number of which is 4 and which are distributed in a circular array with the stirring rod as the axis.

[0010] Preferably, the stirring rod is composed of a rotating shaft, an upper stirring blade and a lower stirring blade, the rotating shaft is connected to the driving end of the driving motor, the upper stirring blade is arranged on the upper side of the rotating shaft, and the lower stirring blade is arranged on the lower side of the rotating shaft.

[0011] Compared with the prior art, the utility model has the following beneficial effects: a gas filling pipe is provided at the gas filling end of the gas filling device provided in the utility model, the gas filling pipe extends into the cavity of the tank body and is connected to a gas distribution pipe; the gas distribution pipe extends to the lower side of the tank body, and at the same time, a plurality of one-way nozzles are provided on the tube body of the gas distribution pipe, by filling gas into the tank body from the lower side and the side of the tank body, the driving motor is started while the gas is being filled, and the rotating stirring rod stirs the injected reaction gas and liquid, and accelerates the reaction efficiency of the injected reaction gas during its rising process, and avoids the injected reaction gas from accumulating in the upper space of the tank body, and the stirring rod is composed of a rotating shaft, an upper stirring blade and a lower stirring blade, which stir the upper and lower sides of the tank body at the same time, thereby improving the reaction rate of the gas and liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the internal structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the external structure of the utility model.

[0014] In the figure: 1. tank body; 2. top cover; 3. bracket; 4. gas filling device; 5. gas filling pipe; 6. gas distribution pipe; 7. one-way nozzle; 8. driving motor; 9. supporting leg; 10. supporting plate; 11. stirring rod. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] See also Figure 1-2 The utility model provides a technical solution: a self-priming agitator for a hydrogenation kettle, comprising a tank body 1 and a top cover 2, the top cover 2 is arranged at the upper end of the tank body 1; a bracket 3 is arranged at the upper end of the top cover 2, a gas filling device 4 is arranged at the upper end of the bracket 3, a gas filling pipe 5 is arranged at the gas filling end of the gas filling device 4, the gas filling pipe 5 extends into the cavity of the tank body 1 and is connected with a gas distribution pipe 6; the gas distribution pipe 6 extends to the lower side of the tank body 1, and a plurality of one-way nozzles 7 are arranged on the pipe body of the gas distribution pipe 6; a driving motor 8 is arranged at the lower end of the tank body 1, the driving end of the driving motor 8 extends into the cavity of the tank body 1 and is provided with a stirring rod 11, the stirring end of the stirring rod 11 extends to the upper side of the cavity of the tank body 1, and a stirring operation is performed according to the characteristic of gas floating upward.

[0017] Specifically, a supporting leg 9 is provided on the side wall of the tank body 1, and the number of the supporting legs 9 is 4. A supporting plate 10 is provided between the 4 supporting legs 9, and the supporting plate 10 supports the driving motor 8 to prevent the driving motor 8 from sinking and falling.

[0018] Specifically, a discharge port is provided at the lower end of the tank body 1, a discharge pipe is inserted into the discharge port, a feed port is provided on the top cover 2, a feed pipe is inserted into the feed port, and covers or valves are provided on the discharge pipe and the feed pipe for use, so as to facilitate the staff to perform the operations of adding and unloading.

[0019] Specifically, the air distribution pipe 6 is an arcuate air distribution pipe, and there are 4 of them, which are distributed in a circular array with the stirring rod as the axis. The one-way nozzle 7 is arranged on the lateral pipeline and the lower pipeline of the arcuate air distribution pipe, and is arranged at one end facing the inner side of the tank body. The outer side of the air distribution pipe 6 is adjacent to or against the inner wall of the tank body 1.

[0020] Specifically, the stirring rod 11 is composed of a rotating shaft, an upper stirring blade and a lower stirring blade. The rotating shaft is connected to the driving end of the driving motor 8. The upper stirring blade is arranged on the upper side of the rotating shaft, and the lower stirring blade is arranged on the lower side of the rotating shaft. When the driving motor 8 is started, the rotating shaft is driven to rotate. The upper stirring blade stirs the upper side of the cavity of the tank body 1, and the lower stirring blade stirs the lower side of the cavity of the tank body 1.

[0021] Working principle: When the utility model is working, the gas filling end of the gas filling device 4 is provided with a gas filling pipe 5, which extends into the cavity of the tank body 1 and is connected to a gas distribution pipe 6; the gas distribution pipe 6 extends to the lower side of the tank body 1, and at the same time, a plurality of one-way nozzles 7 are provided on the tube body of the gas distribution pipe 6. Gas is filled into the tank body 1 from the lower side and the side of the tank body 1, and the driving motor 8 is started while the gas is filled. The rotating stirring rod 11 stirs the injected reaction gas and liquid, and accelerates the reaction efficiency of the injected reaction gas during its rising process, so as to avoid the injected reaction gas from accumulating in the upper space of the tank body 1. The stirring rod 11 is composed of a rotating shaft, an upper stirring blade and a lower stirring blade, which stir the upper and lower sides of the tank body at the same time to improve the reaction rate of the gas and liquid.

[0022] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-priming agitator for a hydrogenation reactor, characterized in that: It comprises a tank body (1) and a top cover (2), wherein the top cover (2) is arranged at the upper end of the tank body (1); A bracket (3) is provided at the upper end of the top cover (2), a gas filling device (4) is provided at the upper end of the bracket (3), a gas filling pipe (5) is provided at the gas filling end of the gas filling device (4), and the gas filling pipe (5) extends into the cavity of the tank body (1) and is connected to a gas distribution pipe (6); The gas distribution pipe (6) extends to the lower side of the tank body (1), and a plurality of one-way nozzles (7) are provided on the body of the gas distribution pipe (6); The lower end of the tank body (1) is provided with a driving motor (8), the driving end of the driving motor (8) extends into the cavity of the tank body (1) and is provided with a stirring rod (11).

2. A self-priming agitator for a hydrogenation reactor according to claim 1, characterized in that: A supporting leg (9) is provided on the side wall of the tank body (1), the number of the supporting legs (9) is 4, a supporting plate (10) is provided between the 4 supporting legs (9), and the supporting plate (10) supports the driving motor (8).

3. The self-priming agitator for a hydrogenation reactor according to claim 1, characterized in that: The lower end of the tank body (1) is provided with a discharge port, a discharge pipe is inserted into the discharge port, and the top cover (2) is provided with a feed port, a feed pipe is inserted into the feed port.

4. The self-priming agitator for a hydrogenation reactor according to claim 1, characterized in that: The gas distribution pipes (6) are arcuate gas distribution pipes, 4 in number, and distributed in a ring array with the stirring rod as the axis.

5. The self-priming agitator for a hydrogenation reactor according to claim 1, characterized in that: The stirring rod (11) is composed of a rotating shaft, an upper stirring blade and a lower stirring blade. The rotating shaft is connected to the driving end of the driving motor (8). The upper stirring blade is arranged on the upper side of the rotating shaft, and the lower stirring blade is arranged on the lower side of the rotating shaft.

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