Efficient arsenic trichloride reduction device

Abstract

The utility model discloses an efficient arsenic trichloride reduction device, which belongs to the technical field of reduction reaction and comprises a reaction kettle, a gas uniformizing device is mounted in the reaction kettle and comprises a mounting rack, a motor is fixedly mounted at the top of the mounting rack, an output shaft of the motor is connected with an outer gear, and the outer gear is connected with an inner gear. The outer wall of the outer gear is meshed with a gear ring; according to the gas uniformizing device, a motor drives a gear ring to rotate through a gear, so that the gear ring drives a rotating pipe to rotate on the outer wall of an external pipe, a transmission pipe drives a dispersing box to rotate, the dispersing box drives a connecting box to rotate, and then the connecting box drives a spray head to rotate; the nozzle drives the introduced hydrogen to move to form a relatively small gas mass, and the rising speed of the relatively small gas mass is slower than that of a relatively large gas mass, so that the hydrogen is uniformly dispersed in the arsenic trichloride and is fully contacted and reacted with the arsenic trichloride, and the reaction efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of reduction reaction, especially high -efficient arsenic trichloride reduction device. BACKGROUND

[0002] The reduction reaction of arsenic trichloride refers to the process that arsenic trichloride is reduced by reducing agent under specific conditions and is converted into other valence compounds of arsenic, and the reduction reaction of arsenic trichloride includes hydrogen reduction method, metal reducing agent method and the like, and a reaction kettle is usually needed to load reaction during the reduction reaction of arsenic trichloride.

[0003] The utility model discloses a kind of ruthenium-based catalyst hydrogenation reduction reaction kettles, including shell, multiple feeding pipes are equipped on the shell;The inner cylinder is fixedly connected in the shell, the inner cylinder top is communicated with one of the feeding pipes, and the inner cylinder lower part is uniformly provided with through-hole, and hydrogen gas flow passage is formed between the inner cylinder and the shell;The bottom of the shell is fixedly connected with the flow guide cylinder of circular truncated cone, the filter screen is fixedly connected above the flow guide cylinder with the inner cylinder, the filter screen is connected with the discharge pipe, and the flow guide cylinder is connected with the drain pipe;Mixing structure is equipped on the shell, and the scraping plate corresponding with the filter screen is connected on the mixing structure, but in actual use process, after hydrogen is introduced, hydrogen gas will form group after being introduced into liquid, and hydrogen gas will rise due to buoyancy, so that hydrogen gas and reduction object cannot be well contacted and reacted, to cause that reaction reduction efficiency is low. UTILITY MODEL CONTENTS

[0004] The utility model aims at: in order to solve the problem that hydrogen gas is linearly raised due to buoyancy after being introduced, and the high -efficient arsenic trichloride reduction device is provided.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: high -efficient arsenic trichloride reduction device, including reaction kettle, the gas uniform device is installed in the reaction kettle, the gas uniform device includes mounting bracket, the motor is fixedly installed at the mounting bracket top, the motor output shaft is connected with outer gear, the outer gear outer wall is engaged with gear ring, the gear ring inner wall is connected with rotating tube, the rotating tube inner wall is rotatably connected with external connection pipe, the rotating tube top is connected with dispersion box, the dispersion box outer wall is connected with multiple connection boxes, and the connection box top is connected with multiple spray heads.

[0006] As a further description of the above technical solution:

[0007] The rotating groove is set on the rotating tube inner wall, and the rotating ring is rotatably connected on the rotating groove inner wall, and the rotating ring inner wall is connected with the external connection pipe outer wall.

[0008] As a further description of the above technical solution:

[0009] The mounting frame top is connected with the reactor bottom, and the reactor bottom is embedded with a sealing bearing, and the sealing bearing is rotationally connected with the outer wall of the rotating pipe.

[0010] As a further description of the above technical solution:

[0011] The inner wall of the reactor is connected with a dispersion plate, the dispersion plate is located at the top of the spray head, the top of the reactor is respectively communicated with a collecting pipe and a feeding pipe, and the outer wall of the reactor is communicated with a discharging pipe.

[0012] As a further description of the above technical solution:

[0013] The top of the dispersion box is connected with a mixing device, the mixing device comprises a rotating rod, the top of the rotating rod is connected with a rotating cylinder, the inner wall bottom of the rotating cylinder is rotationally connected with a support rod, the other end of the support rod extends out of the rotating cylinder and is connected with the top of the inner wall of the reactor, a plurality of through holes are formed in the side wall of the rotating cylinder, the inner wall of the through hole is rotationally connected with a connecting rod, the two ends of the connecting rod are respectively connected with a second bevel gear and an agitating plate, and the outer wall of the support rod is connected with a plurality of first bevel gears.

[0014] As a further description of the above technical solution:

[0015] The outer wall of the first bevel gear is engaged with the outer wall of the second bevel gear, the bottom of the rotating rod is connected with the top of the dispersion box, and the top of the rotating rod penetrates through the dispersion plate.

[0016] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are:

[0017] 1、In the present application, the gas uniform device is provided, the motor drives the gear ring to rotate through the gear, and then the gear ring drives the rotating pipe to rotate on the outer wall of the external pipe, so that the transmission pipe drives the dispersion box to rotate, the dispersion box drives the connecting box to rotate, and then the connecting box drives the spray head to rotate, so that the spray head drives the hydrogen gas to move to form smaller gas groups, the rising speed of the smaller gas groups is slower than that of the larger gas groups, and then the hydrogen gas is uniformly dispersed in the arsenic trichloride and fully contacts with the arsenic trichloride to react, thereby improving the reaction efficiency.

[0018] 2、In the present application, the mixing device is provided, the dispersion box drives the rotating rod to rotate, the rotating rod drives the rotating cylinder to rotate, the support rod remains stationary, the rotating cylinder drives the agitating plate to rotate through the connecting rod, and the second bevel gear rotates on the outer wall of the first bevel gear, and then the second bevel gear drives the agitating plate to rotate, so that the agitating plate rotates simultaneously with the circumferential rotation, and then the hydrogen gas in the arsenic trichloride is stirred and dispersed, so that the arsenic trichloride and the hydrogen gas are fully mixed and reacted, thereby further improving the reaction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model provides a high -efficient arsenic trichloride reduction device's three -dimensional structure schematic diagram;

[0020] Figure 2 The utility model provides a high -efficient arsenic trichloride reduction device's gas even device structure schematic diagram;

[0021] Figure 3 The utility model provides a high -efficient arsenic trichloride reduction device's Figure 2 The middle A part amplification structure schematic diagram shows that;

[0022] Figure 4 The utility model provides a high -efficient arsenic trichloride reduction device's mixing device structure schematic diagram.

[0023] Legend explains: 1, reaction kettle; 2, collection pipe; 3, feeding pipe; 4, discharge pipe; 5, dispersion plate; 6, gas even device; 601, connecting box; 602, shower head; 603, dispersion box; 604, rotating pipe; 605, external pipe; 606, mounting bracket; 607, motor; 608, gear ring; 609, external gear; 610, rotating groove; 611, rotating ring; 7, mixing device; 701, rotary cylinder; 702, through -hole; 703, rotating rod; 704, support rod; 705, first bevel gear; 706, agitating plate; 707, second bevel gear; 708, connecting rod. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0025] Please refer to Figures 1-4The utility model provides a technical scheme: efficient arsenic trichloride reduction device, including reaction kettle 1, install gas even device 6 in reaction kettle 1, gas even device 6 includes mounting bracket 606, mounting bracket 606 top fixed mounting has motor 607, and the output shaft of motor 607 is connected with outer gear 609, and the outer wall of outer gear 609 is engaged with gear ring 608, and the inner wall of gear ring 608 is connected with rotating tube 604, and the inner wall of rotating tube 604 is rotatably connected with external pipe 605, and rotating tube 604 top is connected with dispersion box 603, and dispersion box 603 outer wall is connected with a plurality of connecting boxes 601, and connecting box 601 top is connected with a plurality of shower nozzles 602, and rotating groove 610 is set up in the inner wall of rotating tube 604, and rotating ring 611 is rotatably connected to the inner wall of rotating groove 610, and the inner wall of rotating ring 611 is connected with the outer wall of external pipe 605, and the top of mounting bracket 606 is connected with the bottom of reaction kettle 1, and the bottom of reaction kettle 1 is embedded with sealing bearing, and the inner wall of sealing bearing is rotatably connected with the outer wall of rotating tube 604, and the inner wall of reaction kettle 1 is connected with dispersion plate 5, and dispersion plate 5 is located at the top of shower nozzle 602, and the top of reaction kettle 1 is connected with collecting pipe 2 and feeding pipe 3 respectively, and the outer wall of reaction kettle 1 is connected with discharge pipe 4.

[0026] Specifically, by setting gas even device 6, the gear is driven to rotate by the output shaft of motor 607, the gear ring 608 is driven to rotate by the outer gear 609, and the rotating tube 604 is driven to rotate on the outer wall of the external pipe 605 by the gear ring 608, so that the transmission tube drives the dispersion box 603 to rotate, the connecting box 601 is driven to rotate by the dispersion box 603, and the connecting box 601 is driven to rotate by the shower nozzle 602, so that the shower nozzle 602 drives the hydrogen gas to move, and the hydrogen gas forms smaller gas groups, avoiding the rising speed of larger gas groups, causing the hydrogen gas to be uniformly dispersed and stay in the arsenic trichloride for a long time, so that the hydrogen gas and the arsenic trichloride cannot fully contact and react, affecting the reaction efficiency, the rotating ring 611 is set to rotate in the rotating groove 610, the gap between the rotating ring 611, the rotating tube 604 and the external pipe 605 is sealed, avoiding the leakage of hydrogen gas, the collecting pipe 2 is set to collect the unreacted hydrogen gas in the reaction kettle 1, avoiding the leakage of unreacted hydrogen gas causing danger and waste, and the dispersion plate 5 is set to further disperse the hydrogen gas group, forming smaller gas groups, thereby further improving the reaction efficiency.

[0027] The mixing device 7 is connected to the top of the dispersion box 603, the mixing device 7 comprises a rotating rod 703, the rotating rod 703 is connected to the top of a rotating cylinder 701, the inner wall of the rotating cylinder 701 is rotationally connected to a support rod 704, the other end of the support rod 704 extends out of the rotating cylinder 701 and is connected to the top of the inner wall of the reaction kettle 1, a plurality of through holes 702 are formed in the side wall of the rotating cylinder 701, the inner wall of the through hole 702 is rotationally connected to a connecting rod 708, the connecting rod 708 is connected to a second bevel gear 707 and an agitating plate 706 at both ends respectively, a plurality of first bevel gears 705 are connected to the outer wall of the support rod 704, the outer wall of the first bevel gear 705 is meshed with the outer wall of the second bevel gear 707, and the bottom of the rotating rod 703 is connected to the top of the dispersion box 603, and the top of the rotating rod 703 penetrates the dispersion plate 5.

[0028] Specifically, by arranging the mixing device 7, the rotating rod 703 is driven to rotate by the dispersion box 603, the rotating cylinder 701 is driven to rotate by the rotating rod 703, and the connecting rod 708 is driven to rotate by the rotating cylinder 701, one end of the connecting rod 708 drives the agitating plate 706 to rotate, and the other end of the connecting rod 708 drives the second bevel gear 707 to move and rotate on the surface of the first bevel gear 705, thereby driving the agitating plate 706 to rotate through the connecting rod 708, so that the agitating plate 706 rotates while rotating, thereby stirring and dispersing hydrogen in the arsenic trichloride, so that the arsenic trichloride and hydrogen are fully mixed and reacted, and the reaction efficiency is further improved.

[0029] Working principle: when in use, the raw materials are poured into the feeding pipe 3, then the hydrogen is connected through the external pipe 605, so that the hydrogen flows into the rotating pipe 604 through the external pipe 605, and then flows to the connecting box 601 through the dispersion box 603, and finally is sprayed out from the nozzle 602, the motor 607 drives the external gear 609 to rotate, the external gear 609 drives the gear ring 608 to rotate, the gear ring 608 drives the rotating pipe 604 to rotate, the rotating pipe 604 drives the dispersion box 603 to rotate, and the dispersion box 603 drives the connecting box 601 to rotate, and the connecting box 601 drives the nozzle 602 to rotate, so that the nozzle 602 drives the hydrogen flowing in to move, so that the hydrogen forms smaller gas clusters due to the movement, thereby reducing the upward speed of the hydrogen cluster, thereby ensuring the reaction efficiency of the hydrogen, and at the same time, the rotating rod 703 is driven to rotate by the dispersion box 603, the rotating cylinder 701 is driven to rotate by the rotating rod 703, and the connecting rod 708 is driven to rotate by the rotating cylinder 701, so that the connecting rod drives the second bevel gear 707 to move and rotate on the outer wall of the first bevel gear 705, thereby driving the agitating plate 706 to rotate through the connecting rod 708, so that the agitating plate 706 rotates while rotating, thereby stirring and dispersing the hydrogen cluster, and further improving the reaction efficiency of the hydrogen and the arsenic trichloride.

[0030] In the utility model, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; the term "multiple" refers to two or more than two, unless otherwise expressly limited. The terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, or detachable connection, or integrally connected; "connected" can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances;

[0031] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered within the protection scope of the utility model.

Claims

1. A high efficiency arsenic trichloride reduction apparatus comprising a reactor (1), characterized in that, The reaction kettle (1) is provided with a gas uniform device (6), the gas uniform device (6) includes a mounting frame (606), a motor (607) is fixedly installed on the top of the mounting frame (606), an output shaft of the motor (607) is connected with an external gear (609), the external gear (609) is engaged with a gear ring (608), the gear ring (608) is connected with a rotating tube (604) on the inner wall, the rotating tube (604) is rotatably connected with an external connecting pipe (605), the rotating tube (604) is connected with a dispersion box (603) on the top, a plurality of connecting boxes (601) are communicated on the outer wall of the dispersion box (603), a plurality of spray heads (602) are communicated on the top of the connecting box (601).

2. The efficient arsenic trichloride reduction device of claim 1, wherein, The rotating tube (604) is provided with a rotating groove (610) on the inner wall, and a rotating ring (611) is rotatably connected on the inner wall of the rotating groove (610), and the rotating ring (611) is connected with the outer wall of the external connecting pipe (605).

3. The efficient arsenic trichloride reduction device of claim 1, wherein, The mounting frame (606) is connected with the bottom of the reaction kettle (1), and the bottom of the reaction kettle (1) is embedded with a sealing bearing, and the sealing bearing is rotatably connected with the outer wall of the rotating tube (604) in the sealing bearing.

4. The efficient arsenic trichloride reduction device of claim 1, wherein, The reaction kettle (1) is connected with a dispersion plate (5), and the dispersion plate (5) is located on the top of the spray head (602), the top of the reaction kettle (1) is respectively communicated with a collecting pipe (2) and a feeding pipe (3), and the outer wall of the reaction kettle (1) is communicated with a discharge pipe (4).

5. The efficient arsenic trichloride reduction device of claim 1, wherein, The dispersion box (603) is connected with a mixing device (7), the mixing device (7) includes a rotating rod (703), the rotating rod (703) is connected with a rotating cylinder (701) on the top, the rotating cylinder (701) is rotatably connected with a support rod (704) on the inner wall bottom, the other end of the support rod (704) extends out of the rotating cylinder (701) and is connected with the inner wall top of the reaction kettle (1), a plurality of through holes (702) are formed in the side wall of the rotating cylinder (701), the through holes (702) are rotatably connected with connecting rods (708) on the inner wall, the connecting rods (708) are respectively connected with second bevel gears (707) and stirring plates (706) on both ends, and a plurality of first bevel gears (705) are connected with the outer wall of the support rod (704).

6. The efficient arsenic trichloride reduction device of claim 5, wherein, The outer wall of the first bevel gear (705) is engaged with the outer wall of the second bevel gear (707), the bottom of the rotating rod (703) is connected with the top of the dispersion box (603), and the top of the rotating rod (703) penetrates the dispersion plate (5).

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