CN111871340A

CN111871340A - Be used for low cement to flow wear resistant castable catalytic unit certainly

Info

Publication number: CN111871340A
Application number: CN202010796104.3A
Authority: CN
Inventors: 宫军州
Original assignee: Zhengzhou Boda Refractory Co ltd
Current assignee: Zhengzhou Boda Refractory Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2020-11-03
Anticipated expiration: 2040-08-10
Also published as: CN111871340B

Abstract

The invention discloses a low-cement self-flowing wear-resistant castable catalyzing device which comprises a reaction shell, wherein a reaction cavity is formed in the reaction shell, an oil storage tank is fixedly mounted on the upper end surface of the reaction shell, an oil inlet mechanism is arranged on the inner wall of the upper part in the reaction cavity, the oil inlet mechanism comprises an oil pipe, a first rotating disc, a servo motor, a second rotating disc, a partition screen plate and a fixing plate, the oil pipe is fixedly mounted on the inner wall of the reaction cavity, the upper part of the left end of the oil pipe penetrates through the upper end surface of the reaction shell through a liquid inlet pipe and is mutually communicated with the oil storage tank, a liquid outlet pipe is arranged below the left end of the oil pipe, a piston is connected in the oil pipe in a sliding manner, and a push rod is fixedly mounted on the. The invention can make the oil fully contact with the atomized raw material and the catalyst, so that the oil and the raw material react more thoroughly, and the oil can be fully utilized.

Description

Be used for low cement to flow wear resistant castable catalytic unit certainly

Technical Field

The invention relates to the technical field of catalysis, in particular to a low-cement self-flowing wear-resistant castable catalyzing device.

Background

The catalytic device is a secondary oil refining processing device, and is a production processing technology which takes heavy distillate oil as a raw material, takes a molecular sieve catalyst as a carrier under certain temperature and pressure, adopts fluidization technology, and makes raw oil contact with a high-temperature catalyst to generate a series of chemical reactions, thereby converting the raw material into light oil. The main products are gasoline, light diesel oil and liquefied gas. 80 percent of the gasoline consumption of motor gasoline in China is produced by a catalytic cracking unit, and the catalytic cracking unit generally consists of three major parts, namely a reaction regeneration system, a fractionation system and an absorption stabilization system, wherein the reaction temperature is 530 ℃, so that the lining of the device is required to have high temperature resistance and high wear resistance.

The existing catalytic device can inject oil and raw materials into a reactor to react with a catalyst in the using process, but the oil is generally in a fluid column shape in the injecting process and cannot be in full contact with atomized raw materials and the catalyst, so that the oil and the raw materials are not reacted thoroughly, and the oil cannot be fully utilized.

In order to solve the problems, the invention provides a low-cement self-flowing wear-resistant castable catalytic device.

Disclosure of Invention

The invention aims to overcome the defect that in the prior art, oil generally takes the shape of a fluid column in the injection process and cannot be in full contact with atomized raw materials and catalysts, so that the oil and the raw materials cannot react completely, and the oil cannot be fully utilized, and therefore, the invention provides the low-cement self-flowing wear-resistant castable catalytic device.

In order to achieve the purpose, the invention adopts the following technical scheme:

a catalytic unit for a low-cement self-flowing wear-resistant castable comprises a reaction shell, wherein a reaction cavity is formed in the reaction shell, an oil storage tank is fixedly mounted on the upper end face of the reaction shell, an oil inlet mechanism is arranged on the inner wall of the upper part in the reaction cavity, the oil inlet mechanism comprises an oil pipe, a first rotating disc, a servo motor, a second rotating disc, a partition screen plate and a fixed plate, the oil pipe is fixedly mounted on the inner wall of the reaction cavity, the upper part of the left end of the oil pipe penetrates through the upper end face of the reaction shell through a liquid inlet pipe and is mutually communicated with the oil storage tank, a liquid outlet pipe is arranged below the left end of the oil pipe, a piston is slidably connected in the oil pipe, a push rod is fixedly mounted on the right side wall of the piston, one end of the push rod, deviating from the piston, penetrates through the right side wall of the oil pipe and is slidably connected in the right, a dwang deviates from the one end of push rod and rotates to be connected on the marginal lateral wall of a rolling disc, the center department fixed mounting of a rolling disc has a transmission shaft No. one, a transmission shaft rotates to be connected on the lateral wall of reaction chamber, servo motor fixed mounting is in the inner wall of reaction chamber, servo motor's output fixed mounting has final drive shaft, the center department fixed mounting of No. two rolling discs has No. two transmission shafts, No. two transmission shafts rotate to be connected on the inner wall of reaction chamber, a transmission shaft, No. two transmission shafts and between connect through drive belt drive, it is connected with No. two dwangs to rotate on the lateral wall of No. two rolling discs, No. two dwangs deviate from the one end of No. two rolling discs and rotate with the right-hand member of cutting apart the otter board and be connected, it has the slide to cut apart the one end fixed mounting that the otter board deviates from No. two dwangs, the slide deviates from The fixed plate is fixedly installed on the inner wall of the reaction cavity, a semicircular rotating groove is formed in the bottom end face of the reaction cavity, a catalysis mechanism is arranged in the semicircular rotating groove, a heating groove is formed in the bottom end face of the semicircular rotating groove, and a heating mechanism is arranged in the heating groove.

Preferably, the catalysis mechanism includes step motor and cylinder, step motor fixed mounting is in the lateral wall of semicircular rotation groove, semicircular rotation groove's output fixed mounting has the center pin, the one end that the center pin deviates from step motor runs through the lateral wall of cylinder and fixed mounting on the inner wall of cylinder, symmetry fixed mounting has three baffle on the center pin, and is three the equidistant ring of baffle is listed as fixed mounting on the center pin.

Preferably, one end of each partition board, which is far away from the central shaft, is fixedly installed on the inner wall of the roller, the three partition boards divide the interior of the roller into three reaction spaces with the same volume, a proper amount of blocky catalyst is filled in each reaction space, and the roller is rotatably connected in the semicircular rotating groove.

Preferably, heating mechanism includes flame ware, collection firearm and two fans, flame ware fixed mounting is on the bottom face of reaction casing, collection firearm fixed mounting is at the heating inslot, the output of collection firearm and flame ware communicates each other, two fan symmetry fixed mounting is on the lateral wall of reaction casing, every the output of reaction casing all communicates each other with collection firearm through the gas-supply pipe.

Preferably, the inner wall of the reaction chamber is symmetrically and fixedly provided with two guide plates, the two guide plates are symmetrically arranged above the roller, the two guide plates are provided with turbulent flow fan blades, and the turbulent flow fan blades are rotatably connected to the inner wall of the reaction chamber.

Preferably, the atomizer is fixedly mounted on the left side wall of the reaction shell, the exhaust pipe is fixedly mounted on the right side wall of the reaction shell, the exhaust pipe is communicated with the reaction cavity, the supporting plate is fixedly mounted on the bottom end face of the reaction shell, and anti-skid grains are arranged on the lower end face of the supporting plate.

Preferentially, the slide deviates from the one end fixed mounting who cuts apart the otter board and has the limiting plate, seted up on the fixed plate with slide assorted slide opening, slide sliding connection is in the slide opening.

Preferentially, be provided with the individual valve No. two in the connecting pipe, the circulation direction of individual valve No. two is from top to bottom, be provided with the check valve No. one in the drain pipe, the circulation direction of check valve No. one is from top to bottom.

Compared with the prior art, the invention has the beneficial effects that:

the servo motor is started, the servo motor drives the main transmission shaft to rotate through the output end, the main transmission shaft can drive the first transmission shaft and the second transmission shaft to rotate, and further drives the first rotating disc and the second rotating disc to rotate, the first rotating disc can drive the push rod to continuously move left and right through the first rotating rod in the rotating process, and further drives the piston to continuously move left and right, the oil in the oil storage tank can be sucked through the liquid inlet pipe and discharged through the liquid outlet pipe in the piston moving process, when the cutting screen plate falls on the cutting screen plate, the cutting screen plate can automatically cut columnar oil, moreover, the second transmission shaft can drive the second rotating disc to rotate, the second rotating disc can drive the cutting screen plate to move left and right through the second rotating rod, the cutting screen plate can automatically disperse the oil in the moving process, the dispersed oil can fall on the roller in a downward dispersing mode, at the moment, the raw materials can also enter the reaction cavity after being atomized by the atomizer, the dispersed oil and the atomized raw materials fall on the roller together and contact with the catalyst in the roller, the oil and the raw materials can be quickly vaporized and lifted after contacting with the high-temperature catalyst and are discharged through the exhaust pipe, and in the process, the roller rotates at a constant speed, so that the catalyst between adjacent partition plates is uniformly heated in a reaction manner, and the smooth proceeding of the reaction is ensured.

Drawings

FIG. 1 is a schematic structural diagram of a front side of a low-cement self-flowing wear-resistant castable catalytic device provided by the invention;

FIG. 2 is a schematic structural diagram of the front side of an oil inlet mechanism used in a low-cement self-flow wear-resistant castable catalytic device provided by the invention;

fig. 3 is a top view of a servo motor used in a low-cement self-flowing wear-resistant castable catalytic device.

In the figure: 1 deflector, 2 cylinders, 3 vortex flabellum, 4 collection firearm, 5 flame wares, 6 backup pads, 7 fans, 8 blast pipes, 9 batch oil tanks, 10 reaction shell, 11 atomizer, 12 semicircular turning groove, 13 limiting plates, 14 fixed plates, No. 15 check valves, 16 oil pipes, 17 pistons, 18 push rods, No. 19 dwang, No. 20 transmission shaft, No. 21 rolling disc, 22 drive belt, 23 servo motor, 24 final drive shaft, No. 25 transmission shaft, No. 26 dwang, No. 27 rolling disc No. two, 28 partition otter board, 29 slide.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a catalytic apparatus for a low cement self-flowing wear-resistant castable, comprising a reaction housing 10, a reaction chamber is arranged in the reaction housing 10, an exhaust pipe 8 is fixedly arranged on the right side wall of the reaction housing 10, the exhaust pipe 8 is communicated with the reaction chamber, a support plate 6 is fixedly arranged on the bottom end surface of the reaction housing 10, anti-skid patterns are arranged on the lower end surface of the support plate 6, an oil storage tank 9 is fixedly arranged on the upper end surface of the reaction housing 10, an oil inlet mechanism is arranged on the inner wall of the upper part in the reaction chamber, the oil inlet mechanism comprises an oil pipe 16, a first rotating disc 21, a servo motor 23, a second rotating disc 27, a partition screen 28 and a fixed plate 14, the oil pipe 16 is fixedly arranged on the inner wall of the reaction chamber, the upper part of the left end of the oil pipe 16 penetrates through the upper end surface of the reaction housing 10 through a liquid inlet pipe and is, a liquid outlet pipe is arranged below the left end of the oil pipe 16, a second single valve is arranged in the connecting pipe, the flowing direction of the second single valve is from top to bottom, a first check valve 15 is arranged in the liquid outlet pipe, the flowing direction of the first check valve 15 is from top to bottom, a piston 17 is connected in the oil pipe 16 in a sliding manner, a push rod 18 is fixedly arranged on the right side wall of the piston 17, one end of the push rod 18, which is far away from the piston 17, penetrates through the right side wall of the oil pipe 16 and is connected in the right side wall of the oil pipe 16 in a sliding manner, one end of the push rod 18, which is far away from the piston 17, is rotatably connected with a first rotating rod 19, one end of the first rotating rod 19, which is far away from the push rod 18, is rotatably connected on the edge side wall of a first rotating disc 21, a first transmission shaft 20 is fixedly arranged at the center of the first rotating disc 21, the first, a second transmission shaft 25 is fixedly arranged at the center of the second rotating disc 27, the second transmission shaft 25 is rotatably connected to the inner wall of the reaction chamber, the first transmission shaft 20, the second transmission shaft 25 and the main transmission shaft 24 are in transmission connection through a transmission belt 22, a second rotating rod 26 is rotatably connected to the side wall of the second rotating disc 27, one end of the second rotating rod 26, which is far away from the second rotating disc 27, is rotatably connected with the right end of the partition net plate 28, a sliding plate 29 is fixedly arranged at one end, which is far away from the second rotating rod 26, of the partition net plate 28, one end, which is far away from the partition net plate 28, of the sliding plate 29 penetrates through the side wall of the fixed plate 14 and is slidably connected in the side wall of the fixed plate 14, a limiting plate 13 is fixedly arranged at one end, which is far away from the partition net plate 28, of the fixed plate, the bottom end face of the reaction cavity is provided with a semicircular rotating groove 12, a catalysis mechanism is arranged in the semicircular rotating groove 12, the catalysis mechanism comprises a stepping motor and a roller 2, two guide plates 1 are symmetrically and fixedly arranged on the inner wall of the reaction cavity, the two guide plates 1 are symmetrically arranged above the roller 2, a turbulence fan blade 3 is arranged above the two guide plates 1, the turbulence fan blade 3 is rotatably connected on the inner wall of the reaction cavity, the stepping motor is fixedly arranged in the side wall of the semicircular rotating groove 12, the output end of the semicircular rotating groove 12 is fixedly provided with a central shaft, one end of the central shaft, which deviates from the stepping motor, penetrates through the side wall of the roller 2 and is fixedly arranged on the inner wall of the roller 2, three partition plates are symmetrically and fixedly arranged on the central shaft, an equally-spaced ring array of the three partition plates is fixedly arranged on the central, three baffle divides into the same reaction space of three volume in with cylinder 2, it has proper amount massive catalyst all to fill in every reaction space, cylinder 2 rotates to be connected in semi-circular rotation groove 12, the heating groove has been seted up to semi-circular rotation groove 12's bottom face, be provided with heating mechanism in the heating groove, heating mechanism includes flame ware 5, an album firearm 4 and two fans 7, flame ware 5 fixed mounting is on reaction housing 10's bottom face, an album firearm 4 fixed mounting is in heating the inslot, an album firearm 4 communicates with each other with flame ware 5's output, two fans 7 symmetry fixed mounting are on reaction housing 10's lateral wall, every reaction housing 10's output all communicates with an album firearm 4 through the gas-supply pipe each other.

In the invention, a servo motor 23 is started, the servo motor 23 drives a main transmission shaft 24 to rotate through an output end, the main transmission shaft 24 can drive a first transmission shaft 20 and a second transmission shaft 25 to rotate, and further drive a first rotating disc 21 and a second rotating disc 27 to rotate, the first rotating disc 21 can drive a push rod 18 to continuously move left and right through a first rotating rod 19 in the rotating process, and further continuously drive a piston 17 to continuously move left and right, oil in an oil storage tank 9 can be sucked through a liquid inlet pipe and discharged through a liquid outlet pipe in the left and right movement process of the piston 17, when falling on a dividing screen plate 28, the dividing screen plate 28 can automatically cut and disperse columnar oil, moreover, the second transmission shaft 25 can drive the second rotating disc 27 to rotate, the second rotating disc 27 can drive the dividing screen plate 28 to move left and right through a second rotating disc 26, and the dividing screen plate 28 can automatically disperse the oil in the moving process, the dispersed oil can be downwards dispersed and fall on the roller 2, at the moment, the raw material can also enter the reaction cavity after being atomized by the atomizer 11, the dispersed oil can fall on the roller 2 together with the atomized raw material and is contacted with the catalyst in the roller 2, the oil and the raw material can be quickly vaporized and rise after contacting the high-temperature catalyst and are discharged through the exhaust pipe 8, in the process, the roller 2 rotates at a constant speed, so that the catalyst between adjacent partition plates is uniformly heated, and the smooth reaction is ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a be used for low cement to flow wear-resisting castable catalytic unit certainly, includes reaction housing (10), its characterized in that, the reaction chamber has been seted up in reaction housing (10), the up end fixed mounting of reaction housing (10) has batch oil tank (9), be provided with oil feed mechanism on the inner wall of the upper portion in the reaction chamber, oil feed mechanism includes oil pipe (16), rolling disc (21), servo motor (23), No. two rolling discs (27), cuts apart otter board (28) and fixed plate (14), oil pipe (16) fixed mounting is on the inner wall of reaction chamber, the left end top of oil pipe (16) is through the up end of reaction housing (10) and communicates each other with batch oil tank (9) through the feed liquor pipe, the left end below of oil pipe (16) is provided with the drain pipe, sliding connection has piston (17) in oil pipe (16), the right side wall fixed mounting of piston (17) has push rod (18), the one end that deviates from piston (17) of push rod (18) runs through the right-hand member lateral wall and sliding connection of oil pipe (16) in the right-hand member lateral wall of oil pipe (16), the one end of piston (17) that deviates from of push rod (18) rotates and is connected with dwang (19) No. one, the one end that deviates from push rod (18) of dwang (19) rotates and connects on the marginal lateral wall of a rolling disc (21), the center department fixed mounting of a rolling disc (21) has a transmission shaft (20), a transmission shaft (20) rotates and connects on the lateral wall of reaction chamber, servo motor (23) fixed mounting is in the inner wall of reaction chamber, the output fixed mounting of servo motor (23) has final drive shaft (24), the center department fixed mounting of No. two rolling discs (27) has No. two transmission shafts (25), no. two transmission shaft (25) rotate to be connected on the inner wall of reaction chamber, be connected through drive belt (22) transmission between a transmission shaft (20), No. two transmission shaft (25) and final drive shaft (24), it is connected to rotate on the lateral wall of No. two rolling disc (27) and be connected with No. two dwang (26), No. two dwang (26) deviate from the one end of No. two rolling disc (27) and cut apart the right-hand member rotation of otter board (28) and be connected, cut apart the one end fixed mounting that otter board (28) deviates from No. two dwang (26) and have slide plate (29), slide plate (29) deviate from the one end of cutting apart otter board (28) and run through the lateral wall and sliding connection in the lateral wall of fixed plate (14), fixed plate (14) fixed mounting is on the inner wall of reaction chamber, semicircular rotation groove (12) have been seted up to the bottom face of reaction chamber, be provided with catalysis, the bottom end face of the semicircular rotating groove (12) is provided with a heating groove, and a heating mechanism is arranged in the heating groove.

2. The low-cement self-flowing wear-resistant castable catalyzing device is characterized in that the catalyzing mechanism comprises a stepping motor and a roller (2), the stepping motor is fixedly installed in the side wall of a semicircular rotating groove (12), the output end of the semicircular rotating groove (12) is fixedly provided with a central shaft, one end of the central shaft, which is far away from the stepping motor, penetrates through the side wall of the roller (2) and is fixedly installed on the inner wall of the roller (2), three partition plates are symmetrically and fixedly installed on the central shaft, and an equally-spaced circular array of the three partition plates is fixedly installed on the central shaft.

3. A low cement self-flowing abrasion-resistant castable catalytic device according to claim 2, wherein one end of each partition plate, which is far away from the central shaft, is fixedly installed on the inner wall of the drum (2), the three partition plates divide the interior of the drum (2) into three reaction spaces with the same volume, each reaction space is filled with a proper amount of block-shaped catalyst, and the drum (2) is rotatably connected in the semicircular rotating groove (12).

4. The low-cement self-flowing wear-resistant castable catalysis device is characterized in that the heating mechanism comprises a flame device (5), a flame collector (4) and two fans (7), the flame device (5) is fixedly installed on the bottom end face of the reaction shell (10), the flame collector (4) is fixedly installed in a heating groove, the output ends of the flame collector (4) and the flame device (5) are communicated with each other, the fans (7) are symmetrically and fixedly installed on the side wall of the reaction shell (10), and the output end of the reaction shell (10) is communicated with the flame collector (4) through a gas pipe.

5. The low-cement self-flowing wear-resistant castable catalysis device is characterized in that two guide plates (1) are symmetrically and fixedly mounted on the inner wall of the reaction chamber, the two guide plates (1) are symmetrically arranged above the roller (2), the two guide plates (1) are provided with turbulence fan blades (3), and the turbulence fan blades (3) are rotatably connected to the inner wall of the reaction chamber.

6. The low-cement self-flowing wear-resistant castable catalysis device is characterized in that an atomizer (11) is fixedly mounted on the left side wall of the reaction shell (10), an exhaust pipe (8) is fixedly mounted on the right side wall of the reaction shell (10), the exhaust pipe (8) is communicated with the reaction cavity, a supporting plate (6) is fixedly mounted on the bottom end face of the reaction shell (10), and anti-skid grains are arranged on the lower end face of the supporting plate (6).

7. The low-cement self-flowing wear-resistant castable catalysis device is characterized in that one end, away from the partition screen plate (28), of the sliding plate (29) is fixedly provided with a limiting plate (13), the fixing plate (14) is provided with a sliding hole matched with the sliding plate (29), and the sliding plate (29) is slidably connected in the sliding hole.

8. The low-cement self-flowing wear-resistant castable catalysis device is characterized in that a second one-way valve is arranged in the connecting pipe, the flowing direction of the second one-way valve is from top to bottom, a first one-way valve (15) is arranged in the liquid outlet pipe, and the flowing direction of the first one-way valve (15) is from top to bottom.