Feed distributor of hydrogenation reactor

Abstract

The utility model discloses a feeding distributor of a hydrogenation reactor, and belongs to the technical field of hydrogenation reactors. An air inlet pipe is arranged in the middle of the bottom of the tank body; an adjusting assembly is arranged on the circumferential inner wall of the air inlet pipe; a detection assembly is arranged on one side of the bottom of the tank body; and a discharge hole is formed in the bottom of the circumferential outer wall of the tank body. Hydrogen is conveyed into the gas inlet pipe and flows to drive the rotational flow plate to rotate, and the rotating shaft rotates on the circumferential inner wall of the bearing, so that the hydrogen is driven to rotate and flow along the rotational flow channel and is output from the conical nozzle, the turbulence degree of raw oil hydrogenation is effectively ensured, and the hydrogenation reaction is more sufficient and uniform; the electromagnetic valve is conveniently controlled through the detection assembly according to the internal state of the tank body, and the hydrogen input amount is adjusted. According to the structural design, hydrogen is injected more uniformly and can be conveniently diffused in raw oil, hydrogenation reaction is more sufficient, and the hydrogen injection amount can be conveniently adjusted by detecting the internal state of the tank body.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydrogenation reactor technical field more specifically, relate to a kind of hydrogenation reactor feed distributor. BACKGROUND

[0002] Hydrogenation reactor is a very important equipment in organic chemistry laboratory and actual production process, not only can be used as the container of hydrogenation reaction, but also can be used for the occasion where liquid and gas need to be fully mixed, hydrogenation reactor is often used to convert heavy oil, the most difficult part in petroleum industry, into light oil, so as to produce gasoline, diesel and the like.

[0003] The prior art patent literature with the publication number CN108014722A provides a kind of hydrogenation reactor, which is in the process of hydrogenation reaction, raw oil flows to the center of reactor radially, reaction hydrogen flows from top to bottom, on the one hand, hydrogen and raw oil can be better contacted, on the other hand, raw oil stream flows from all around to the center, solid and metal deposits grow from all around to the center, from bottom to top, raw oil stream is stable, and radial and axial deposits are evenly distributed, reducing the possibility of local capping.

[0004] Although the device has many beneficial effects, but still has the following problems: the device in use, hydrogen injection is not uniform enough, not convenient to diffuse in raw oil, hydrogenation reaction is not sufficient enough;Secondly, the device in use is not convenient to detect the internal state of tank body, needs to be improved, in view of this, we propose a kind of hydrogenation reactor feed distributor. UTILITY MODEL CONTENT

[0005] 1. Technical problem to be solved

[0006] The utility model aims at providing a kind of hydrogenation reactor feed distributor to solve the problems of the above background art, such as non-uniform hydrogen injection, not convenient to diffuse in raw oil, insufficient hydrogenation reaction and inconvenient to detect the internal state of tank body.

[0007] 2. Technical scheme

[0008] A kind of hydrogenation reactor feed distributor, including tank body, the tank body top is equipped with feed inlet, the tank body bottom middle is equipped with gas inlet pipe, the gas inlet pipe circumferential inner wall is equipped with adjusting assembly, the adjusting assembly includes two fixed rings, the circumferential inner wall of two fixed rings is equipped with connecting rod, the connecting rod one end is equipped with bearing, the bearing circumferential inner wall is equipped with shaft, the shaft circumferential outer wall is equipped with cyclone plate, the gas inlet pipe one end is equipped with conical nozzle, the conical nozzle circumferential inner wall is equipped with convex ring, the tank body bottom one side is equipped with detection assembly, the tank body circumferential outer wall bottom is equipped with discharge port.

[0009] Preferably, the detection assembly comprises a mounting plate, the top of which is provided with a thermocouple, the bottom of which is provided with a temperature gauge, one side of the bottom of which is provided with a high-temperature pressure sensor, and one end of the circumferential outer wall of the gas inlet pipe is provided with a solenoid valve.

[0010] Preferably, the diameter of the cyclone plate matches the inner diameter of the gas inlet pipe, and the fixing ring is welded to the circumferential inner wall of the gas inlet pipe.

[0011] Preferably, the cross section of the convex ring is conical, and the inner diameter of the conical nozzle is larger than that of the convex ring.

[0012] Preferably, the thermocouple and the high-temperature pressure sensor both penetrate the bottom of the tank, and the circumferential outer wall of the thermocouple is provided with an insulating sleeve at the bottom of the mounting plate.

[0013] Preferably, the circumferential outer wall of the gas inlet pipe is provided with a mounting ring, and a plurality of screw holes are arranged in an annular array at the bottom of the mounting ring.

[0014] Preferably, the circumferential inner wall of the tank is provided with a protective lining, and the material of the protective lining is chromium-nickel austenitic stainless steel.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The utility model discloses a hydrogenation reactor, which comprises a tank body, a gas inlet pipe, a hydrogen inlet pipe, a rotating shaft, a rotating flow channel, a conical nozzle, a convex ring and a solenoid valve.

[0018] Secondly, the temperature inside the tank is detected by the thermocouple, the data is observed by the temperature gauge, and the internal pressure of the tank is detected by the high-temperature pressure sensor, so that the solenoid valve can be controlled according to the state of the tank, and the hydrogen input amount can be adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is a gas inlet pipe partial structure schematic view of the utility model;

[0021] Figure 3 It is a gas inlet pipe partial structure cross section schematic view of the utility model;

[0022] Figure 4 It is the partial structure schematic view of the adjusting assembly of the utility model;

[0023] Figure 5 It is the partial structure schematic view of the detecting assembly of the utility model;

[0024] The label explanation in the drawing: 1, tank body;2, feed inlet;3, air inlet pipe;4, adjusting assembly;5, detecting assembly;6, discharge port;7, mounting ring;8, screw hole;401, fixed ring;402, connecting rod;403, bearing;404, rotating shaft;405, cyclone plate;406, conical nozzle;407, convex ring;501, mounting plate;502, thermocouple;503, temperature table;504, high temperature pressure sensor;505, electromagnetic valve. DETAILED DESCRIPTION

[0025] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0026] In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0027] In the description of the utility model, it should be noted that, unless otherwise specifically specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood in a broad sense, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Please refer to Figures 1-5 , the utility model provides a technical scheme:

[0029] The utility model provides a kind of hydrogenation reactor feed distributor, including tank body 1, feed inlet 2 is welded on the top of tank body 1, middle threaded connection is equipped with gas inlet pipe 3 in the bottom of tank body 1, adjusting assembly 4 is fixed in the circumferential inner wall of gas inlet pipe 3, adjusting assembly 4 includes two fixed rings 401, the circumferential inner wall of two fixed rings 401 is fixed with connecting rod 402, connecting rod 402 one end is fixed with bearing 403, the circumferential inner wall of bearing 403 is fixed with rotating shaft 404, rotating shaft 404 circumferential outer wall is fixed with cyclone plate 405, gas inlet pipe 3 one end is welded with conical nozzle 406, conical nozzle 406 circumferential inner wall is welded with convex ring 407, detecting assembly 5 is fixed with in the bottom of tank body 1 one side, tank body 1 circumferential outer wall bottom is welded with discharge outlet 6.The utility model adds raw oil through feed inlet 2, makes cyclone plate 405 more stable through fixed ring 401, by conveying hydrogen into gas inlet pipe 3, hydrogen flow drives cyclone plate 405 to rotate, rotating shaft 404 rotates in the circumferential inner wall of bearing 403, to drive hydrogen to rotate and flow through conical nozzle 406 output along cyclone channel, effectively ensure the turbulent degree of raw oil hydrogenation, ensure that hydrogenation reaction is more sufficient, form central reflux area through convex ring 407, improve the stability of hydrogen flow, avoid hydrogenation not enough uniform.

[0030] Specifically, detecting assembly 5 includes mounting plate 501, thermocouple 502 is fixed on the top of mounting plate 501, temperature table 503 is fixed on the bottom of thermocouple 502, high-temperature pressure sensor 504 is fixed on the bottom of mounting plate 501 one side, solenoid valve 505 is fixed on the circumferential outer wall of gas inlet pipe 3 one end.Through thermocouple 502 detects the temperature inside tank body 1, through temperature table 503 observes data, through high-temperature pressure sensor 504 detects the gas pressure inside tank body 1, to facilitate according to the state inside tank body 1 control solenoid valve 505, adjust hydrogen input.

[0031] Further, the diameter of cyclone plate 405 matches the inner diameter of gas inlet pipe 3, and fixed ring 401 is welded with the circumferential inner wall of gas inlet pipe 3.Through cyclone plate 405 matching the diameter of gas inlet pipe 3 inner diameter, avoid hydrogen overflow directly from conical nozzle 406.

[0032] It is worth mentioning that the cross section of convex ring 407 is conical, and the inner diameter of conical nozzle 406 is larger than the inner diameter of convex ring 407.Through conical nozzle 406 with larger inner diameter than convex ring 407, directly change hydrogen flow rate, enhance the stability and safety of raw oil hydrogenation.

[0033] It is worth noting that the ends of thermocouple 502 and high-temperature pressure sensor 504 all penetrate the bottom of tank body 1, and the circumferential outer wall of thermocouple 502 is fixedly provided with an insulating sleeve on the bottom of mounting plate 501.Through the insulating sleeve, the service life of thermocouple 502 is effectively improved, and the experiment failure or equipment damage caused by the high temperature of thermocouple 502 is prevented.

[0034] In addition, the air inlet pipe 3 is fixedly provided with a mounting ring 7, and a plurality of screw holes 8 are arranged in the bottom of the mounting ring 7 in an annular array. The mounting ring 7 is fixed by screwing bolts into the screw holes 8, so that the air inlet pipe 3 is more stable.

[0035] Further, the tank body 1 is fixedly provided with a protective lining on the inner wall thereof, and the material of the protective lining is chromium-nickel austenitic stainless steel. The protective lining made of chromium-nickel austenitic stainless steel can adapt to a high-temperature environment and avoid corrosion of hydrogen and hydrogen sulfide on the inner wall of the tank body 1 under high temperature and high pressure.

[0036] Working principle: when the device is needed to be used for the hydrogen reactor feed distributor, the rotating shaft 404 is arranged on the inner wall of the bearing 403, the fixed ring 401 is arranged on the inner wall of the nozzle pipe 2, the mounting ring 7 is fixed on the bottom of the tank body 1 by screwing bolts into the screw holes 8, raw oil is added to the feed inlet 2, hydrogen is transported into the air inlet pipe 3, the hydrogen flow drives the rotating flow plate 405 to rotate, the rotating shaft 404 rotates on the inner wall of the bearing 403, so that the hydrogen is rotated along the rotating flow channel and is output from the conical nozzle 406, the thermocouple 502 is inserted into the tank body 1 to detect the temperature, the high-temperature pressure sensor 504 is inserted into the tank body 1 to detect the gas pressure, the electromagnetic valve 505 is controlled according to the internal state of the tank body 1, and the hydrogen input amount is adjusted.

[0037] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can also be variously changed and improved, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A feed distributor for a hydrogenation reactor, comprising a tank (1), characterized in that: The tank (1) has a feed inlet (2) at the top and an air inlet pipe (3) at the bottom center. The air inlet pipe (3) has an adjustment component (4) on its inner circumference. The adjustment component (4) includes two fixing rings (401). The inner circumference of the two fixing rings (401) is provided with a connecting rod (402). One end of the connecting rod (402) is provided with a bearing (403). The inner circumference of the bearing (403) is provided with a rotating shaft (404). The outer circumference of the rotating shaft (404) is provided with a swirl plate (405). One end of the air inlet pipe (3) is provided with a conical nozzle (406). The inner circumference of the conical nozzle (406) is provided with a convex ring (407). The bottom side of the tank (1) is provided with a detection component (5). The bottom of the outer circumference of the tank (1) is provided with a discharge port (6).

2. The feed distributor for the hydrogenation reactor according to claim 1, characterized in that: The detection component (5) includes a mounting plate (501), a thermocouple (502) is provided on the top of the mounting plate (501), a thermometer (503) is provided on the bottom of the thermocouple (502), a high temperature pressure sensor (504) is provided on one side of the bottom of the mounting plate (501), and a solenoid valve (505) is provided on one end of the outer circumference of the air inlet pipe (3).

3. The feed distributor for the hydrogenation reactor according to claim 2, characterized in that: The diameter of the swirl plate (405) matches the inner diameter of the air intake pipe (3), and the fixing ring (401) is welded to the inner circumference of the air intake pipe (3).

4. The feed distributor for the hydrogenation reactor according to claim 3, characterized in that: The cross-section of the convex ring (407) is conical, and the inner diameter of the conical nozzle (406) is larger than the inner diameter of the convex ring (407).

5. The feed distributor for the hydrogenation reactor according to claim 4, characterized in that: The thermocouple (502) and the high-temperature pressure sensor (504) both penetrate the bottom of the tank (1) at their ends, and an insulating sleeve is provided on the outer circumference of the thermocouple (502) at the bottom of the mounting plate (501).

6. The feed distributor for the hydrogenation reactor according to claim 5, characterized in that: The outer circumference of the air intake pipe (3) is provided with an installation ring (7), and the bottom of the installation ring (7) is provided with a plurality of screw holes (8) in an annular array.

7. The feed distributor for the hydrogenation reactor according to claim 6, characterized in that: The inner circumference of the tank (1) is provided with a protective lining, and the material of the protective lining is chromium-nickel austenitic stainless steel.

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