Device for producing hydrogen from coke oven gas

Abstract

The utility model relates to the technical field of hydrogen production devices, and discloses a coke oven gas hydrogen production device which comprises a kettle body and a top cover, the top cover is arranged on the kettle body, a sleeve is arranged at the top in the top cover, a plurality of groups of through holes are formed in the outer wall of the sleeve, flow guide covers are arranged on the inner walls of the through holes, and a motor is arranged at the upper end of the top cover. The output end of the motor is connected with a threaded rod, and the lower end of the threaded rod is fixedly connected with a supporting frame. According to the hydrogen separation device, an adsorbent and a catalyst are stirred through the stirring paddle, the adsorbent and the catalyst are pumped upwards through the threaded rod and then fall down from the flow guide cover, and impurities in coal gas are difficult to adsorb on the surfaces of the adsorbent and the catalyst through collision, so that the separation efficiency of hydrogen is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydrogen production device technical field especially relates to a coke oven gas hydrogen production device. BACKGROUND

[0002] Coke oven gas is a gaseous mixture produced in the coking process, the main components include hydrogen, methane, carbon monoxide, and a small amount of nitrogen, carbon dioxide and other gases, coke oven gas is a high calorific value gas due to the combustible components, which refers to several bituminous coal is prepared into coking coal, in the coking oven after high temperature dry distillation, in the production of coke and tar products at the same time produced a flammable gas, coke oven gas is a flammable gas produced in the process of coke production, coal in high temperature, slow dry distillation, coke oven gas hydrogen production process mainly has: desulfurization and naphthalene, compression pretreatment, pressure swing adsorption hydrogen production, deoxidation drying, in order to better make hydrogen, it needs to be placed in the tool of making hydrogen.

[0003] At present, most of the coke oven gas hydrogen production device in use, because the coke oven gas tar, naphthalene and other heavy impurities are not removed by temperature swing adsorption (TSA), it may block the adsorbent pore, reduce the hydrogen separation efficiency. Therefore, the technical personnel in the art provides a coke oven gas hydrogen production device to solve the problems raised in the above background technology. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a coke oven gas hydrogen production device, which is provided to solve the problems existing in the prior art. The adsorbent and catalyst are stirred by the stirring paddle. The coal gas impurities are difficult to be adsorbed on the surface of the adsorbent and catalyst by using the thread rod to extract them upward, and then making them fall from the flow guide cover by collision, thereby accelerating the separation efficiency of hydrogen.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A coke oven gas hydrogen production device, comprising a kettle body and a top cover, the top cover is arranged on the kettle body, a sleeve is arranged on the top cover, a plurality of groups of through holes are formed in the outer wall of the sleeve, and a flow guide cover is arranged on the inner wall of the through hole, an electric motor is arranged on the upper end of the top cover, a threaded rod is connected to the output end of the electric motor, and a support frame is fixedly connected to the lower end of the threaded rod.

[0007] Through the above technical scheme, under the action of the sleeve, the electric motor on the top cover drives the threaded rod to rotate, so that the coal tar at the bottom of the kettle body is extracted upward, and then discharged from top to bottom by the flow guide cover, thereby facilitating the release of hydrogen in the coal tar.

[0008] Further, the sleeve outer wall lower end is provided with a bevel gear ring, the support frame outer wall is rotationally provided with two bevel gears, and the two bevel gears are parallel and aligned, and one end of each of the two bevel gears is fixedly provided with a stirring paddle;

[0009] By the above technical scheme, the coal tar can be stirred by the stirring paddle.

[0010] Further, the two bevel gears are in meshing connection with the bevel gear ring;

[0011] Further, the top cover is provided with a feeding port and a plurality of bolts, and the plurality of bolts are in threaded connection with the kettle body;

[0012] Further, the kettle body outer wall is provided with a gas outlet, the kettle body lower end is provided with a discharge port, and the kettle body outer wall lower end is provided with a fixing frame;

[0013] By the above technical scheme, the hydrogen can be discharged outward from the gas outlet, and the discharge port is used for discharging the residue.

[0014] Further, the kettle body outer wall is provided with a controller, and the controller is in electrical connection with the motor;

[0015] Further, the flow guide cover is inclined downward by an angle of 45 degrees;

[0016] By the above technical scheme, the coal tar at the upper end can be conveniently discharged downward.

[0017] The utility model has the following beneficial effects:

[0018] The coke oven gas hydrogen production device provided by the utility model, under the action of the sleeve, uses the rotation of the threaded rod to extract the adsorbent upward from the bottom, so that the adsorbent is impacted downward from the flow guide cover, and meanwhile, the rotation of the threaded rod, under the action of the bevel gear ring, drives the two bevel gears to rotate, thereby avoiding that the impurities in the coal gas block the pores of the adsorbent, and affecting the generation and separation of hydrogen. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the coke oven gas hydrogen production device provided by the utility model;

[0020] Figure 2 It is a half cut structure schematic view of the coke oven gas hydrogen production device provided by the utility model;

[0021] Figure 3 It is a bevel gear ring and bevel gear structure schematic view of the coke oven gas hydrogen production device provided by the utility model;

[0022] Figure 4 It is a sleeve internal structure schematic view of the coke oven gas hydrogen production device provided by the utility model.

[0023] Legend:

[0024] 1, kettle body; 2, controller; 3, top cover; 4, motor; 5, feed inlet; 6, gas outlet; 7, sleeve; 8, fairing; 9, bevel gear ring; 10, bevel gear; 11, stirring paddle; 12, threaded rod; 13, support frame; 14, discharge port; 15, fixed frame; 16, through hole; 17, bolt. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in 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. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Reference Figures 1-4 The present application provides an embodiment: a coke oven gas hydrogen production device, comprising a kettle body 1 and a top cover 3, the top cover 3 is arranged on the kettle body 1, the top cover 3 is provided with a sleeve 7 at the top, a plurality of groups of through holes 16 are formed in the outer wall of the sleeve 7, and a fairing 8 is arranged on the inner wall of the through hole 16, a motor 4 is arranged on the upper end of the top cover 3, a threaded rod 12 is connected to the output end of the motor 4, and a support frame 13 is fixedly connected to the lower end of the threaded rod 12.

[0027] Under the action of the sleeve 7, the motor 4 on the top cover 3 drives the threaded rod 12 to rotate, so that the coal tar at the bottom of the kettle body 1 is extracted upward, and then the coal tar is discharged from top to bottom by the fairing 8, so that the hydrogen in the coal tar is released.

[0028] A bevel gear ring 9 is arranged on the lower end of the outer wall of the sleeve 7, two bevel gears 10 are rotatably arranged on the outer wall of the support frame 13 and are parallel and aligned, and a stirring paddle 11 is fixedly arranged at one end of each of the two bevel gears 10.

[0029] The stirring paddle 11 can be used to stir the coal tar.

[0030] The two bevel gears 10 are in meshing connection with the bevel gear ring 9.

[0031] The top cover 3 is provided with a feed inlet 5 and a plurality of bolts 17, and the plurality of bolts 17 are in threaded connection with the kettle body 1.

[0032] The kettle body 1 is provided with a gas outlet 6 on the outer wall, and a discharge port 14 is arranged at the lower end of the kettle body 1, and a fixed frame 15 is arranged on the lower end of the outer wall of the kettle body 1.

[0033] Hydrogen can be discharged outwardly from the gas outlet 6, and the discharge port 14 is used for discharging the residue.

[0034] The outer wall of the kettle body 1 is provided with a controller 2, and the controller 2 is electrically connected with the motor 4;

[0035] The flow guide cover 8 is inclined downward by an angle of 45 degrees.

[0036] The coal tar in the upper end can be conveniently discharged downward.

[0037] As a technical optimization scheme of the utility model, under the action of the sleeve 7, the adsorbent is extracted upward from the bottom by the rotation of the threaded rod 12, so as to be impacted downward from the flow guide cover 8, and meanwhile, the rotation of the threaded rod 12 will drive the two bevel gears 10 to rotate under the action of the bevel gear ring 9, so as to reduce the adhesion rate of impurities, thereby avoiding that the impurities in the coal gas block the pores of the adsorbent, affecting the generation and separation of hydrogen.

[0038] Finally, it should be noted that: the above only for the preferred specific embodiments of the utility model, and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing specific embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each specific embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement, etc. that is made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A coke oven gas hydrogen production device, comprising a vessel body (1) and a top cover (3), characterized in that: The top cover (3) is set on the vessel body (1). A sleeve (7) is set at the top inside the top cover (3). Several sets of through holes (16) are opened on the outer wall of the sleeve (7), and a flow guide (8) is set on the inner wall of the through hole (16). A motor (4) is set at the upper end of the top cover (3). A threaded rod (12) is connected to the output end of the motor (4). A support frame (13) is fixedly connected to the lower end of the threaded rod (12).

2. The coke oven gas to hydrogen production device according to claim 1, characterized in that: The sleeve (7) has a bevel ring (9) at the lower end of its outer wall, and the support frame (13) has two bevel gears (10) rotatably mounted on its outer wall, which are parallel and aligned. A stirring paddle (11) is fixedly mounted on one end of each of the two bevel gears (10).

3. A coke oven gas to hydrogen production device according to claim 2, characterized in that: Both of the bevel gears (10) are meshed with the bevel gear ring (9).

4. A coke oven gas to hydrogen production device according to claim 1, characterized in that: The top cover (3) is provided with a feed inlet (5) and multiple bolts (17), and the multiple bolts (17) are threadedly connected to the vessel body (1).

5. A coke oven gas to hydrogen production device according to claim 1, characterized in that: The outer wall of the vessel body (1) is provided with an air outlet (6), and the lower end of the vessel body (1) is provided with a discharge port (14). The lower end of the outer wall of the vessel body (1) is provided with a fixing frame (15).

6. A coke oven gas to hydrogen production device according to claim 1, characterized in that: The outer wall of the vessel body (1) is provided with a controller (2), and the controller (2) is electrically connected to the motor (4).

7. A coke oven gas to hydrogen production device according to claim 1, characterized in that: The flow guide (8) is tilted downward at a 45-degree angle.

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