CN212102706U - Light hydrocarbon catalytic conversion device of down-bed reactor - Google Patents

Abstract

The utility model discloses a down bed reactor light hydrocarbon catalytic conversion device, including first casing and second casing, first casing includes first shell, first heat preservation and first inner shell, and first shell, first heat preservation and first inner shell set gradually from outside to inside, the second casing includes second shell, second heat preservation and second inner shell, and second shell, second heat preservation and second inner shell set gradually from outside to inside, gear motor is installed to the top central point of first shell position, gear motor's output shaft passes first heat preservation and first inner shell and is connected with the pivot through the shaft coupling, and the shaft coupling all is located the inside of first inner shell with the pivot. The utility model solves the problems of poor preheating effect on raw materials and low working efficiency of the existing light hydrocarbon catalytic conversion device of the downer reactor; the utility model provides the high preheating effect of raw materials has improved work efficiency, convenient to use, and the practicality is strong.

Description

Light hydrocarbon catalytic conversion device of down-bed reactor

Technical Field

The utility model relates to a light hydrocarbon catalytic conversion equipment technical field specifically is a down bed reactor light hydrocarbon catalytic conversion device.

Background

Along with the rapid development of petrochemical industry, various light olefins, particularly propylene ethylene hydrocarbon resources, are increasingly in short supply, and in order to solve the problems and improve the yield of the light olefins and the quality of gasoline products, a great deal of research work is carried out in the oil refining world at home and abroad; in the process of catalytic conversion of light hydrocarbon, the light hydrocarbon needs to be preheated.

However, the existing light hydrocarbon catalytic conversion device of the downer reactor has poor preheating effect on raw materials and low working efficiency; therefore, the existing use requirements are not satisfied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a down bed reactor light hydrocarbon catalytic conversion device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a light hydrocarbon catalytic conversion device of a downer reactor comprises a first shell and a second shell, wherein the first shell comprises a first outer shell, a first heat preservation layer and a first inner shell, the first outer shell, the first heat preservation layer and the first inner shell are sequentially arranged from outside to inside, the second shell comprises a second outer shell, a second heat preservation layer and a second inner shell, the second outer shell, the second heat preservation layer and the second inner shell are sequentially arranged from outside to inside, a speed reduction motor is installed at the center of the top of the first outer shell, an output shaft of the speed reduction motor penetrates through the first heat preservation layer and the first inner shell and is connected with a rotating shaft through a coupler, the coupler and the rotating shaft are both positioned inside the first inner shell, a first temperature sensor and a first material level sensor are respectively arranged on two sides of the top end inside the first inner shell, a first electric heating coil is arranged between the outer wall of the first inner shell and the inner wall of the first heat preservation layer, a first inlet pipe is arranged on one side of the top of the first inner shell, the top end of the first inlet pipe sequentially penetrates through the first heat preservation layer and the first outer shell, four corners of the lower surface of the first outer shell are connected with four corners of the top of the second outer shell through connecting rods, a first discharge pipe is arranged at the bottom of the first inner shell, the bottom end of the first discharge pipe sequentially penetrates through the first heat preservation layer and the first outer shell and is connected with a second inlet pipe through pipe joints, the second inlet pipe is arranged at the top of the second inner shell, the top end of the second inlet pipe sequentially penetrates through the second heat preservation layer and the second outer shell, a second electric heating coil is arranged between the inner wall of the second heat preservation layer and the outer wall of the second inner shell, a second temperature sensor and a second material level sensor are respectively arranged on two sides of the top end of the second inner shell, and a second discharge pipe is arranged at the bottom of the, and the second discharging pipe runs through second heat preservation and second shell in proper order, all be provided with the solenoid valve on first inlet pipe, second inlet pipe, first discharging pipe and the second discharging pipe, install the control box on one side outer wall of first shell, be provided with the controller in the control box.

Preferably, the outer wall of the rotating shaft is provided with a stirring rod.

Preferably, support columns are mounted at four corners of the bottom of the second shell.

Preferably, the front end face of the control box is provided with a display screen and a controller panel, the display screen is located above the controller panel, and the front end face of the controller panel is provided with a control button.

Preferably, the output ends of the first temperature sensor, the second temperature sensor, the first material level sensor and the second material level sensor are electrically connected with the input end of the controller.

Preferably, the output end of the controller is electrically connected with the input ends of the first electric heating coil, the second electric heating coil, the speed reduction motor and the electromagnetic valve respectively.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a cooperation setting of a series of structures, when the staff preheats the raw materials, the raw materials are added into the first inner shell from the first inlet pipe, the first level sensor detects the material level of the first inner shell in real time, when the material level data value detected by the first level sensor is greater than the preset material level data value, the controller controls the electromagnetic valve on the first inlet pipe to close, the first temperature sensor detects the temperature in the first inner shell in real time, when the temperature data value detected by the first temperature sensor is greater than the preset temperature data value, the controller controls the first electric heating coil to close, the first electric heating coil stops heating the principle in the first inner shell, the quality condition that the temperature is too high and the raw materials are influenced is avoided, when the temperature data value detected by the first temperature sensor is less than the preset temperature data value, the controller controls the electric heating coil to continue to heat the raw materials in the first inner shell, the raw materials in the first inner shell are preheated under a certain temperature condition, so that the preheating effect is improved, the raw materials in the first inner shell can be stirred under the matching of the speed reducing motor, the coupler, the stirring rod and the rotating shaft, and the preheating effect of the raw materials is improved again; after the raw material in the first inner shell is preheated, a worker opens the electromagnetic valves on the first discharging pipe and the second feeding pipe through the control button to enable the raw material in the first inner shell to flow into the second inner shell, the raw material is subjected to heat preservation in the second inner shell, when the second material level sensor detects that the material level data value is larger than the preset material level data value, the controller controls the electromagnetic valves on the first discharging pipe and the second feeding pipe to be closed, the second temperature sensor detects the temperature in the second inner shell in real time, the raw material in the second inner shell is kept in a certain temperature range for heat preservation all the time, and the situation that the temperature of the raw material is reduced is avoided; when the raw materials in the first inner shell completely enter into the second inner shell to keep warm, the staff adds the raw materials to preheat in the first inner shell once more for there is subsequent replenishment after the raw materials in the second inner shell are used up, has avoided preheating the condition emergence that the raw materials supplied absolutely, has improved work efficiency, and the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic flow chart of the present invention.

In the figure: 1. an electromagnetic valve; 2. a first feed tube; 3. a reduction motor; 4. a first housing; 5. a connecting rod; 6. a second housing; 7. a support pillar; 8. a second discharge pipe; 9. a display screen; 10. a control box; 11. a controller panel; 12. a control button; 13. a first discharge pipe; 14. a pipe joint; 15. a second feed tube; 16. a controller; 17. a coupling; 18. a first level sensor; 19. a stirring rod; 20. a first temperature sensor; 21. a first housing; 22. a first insulating layer; 23. a first electric heating coil; 24. a first inner case; 25. a rotating shaft; 26. a second temperature sensor; 27. a second level sensor; 28. a second housing; 29. a second insulating layer; 30. a second electric heating coil; 31. a second inner case.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a light hydrocarbon catalytic conversion device of a downer reactor comprises a first shell 4 and a second shell 6, wherein the first shell 4 comprises a first outer shell 21, a first heat-insulating layer 22 and a first inner shell 24, the first outer shell 21, the first heat-insulating layer 22 and the first inner shell 24 are sequentially arranged from outside to inside, the second shell 6 comprises a second outer shell 28, a second heat-insulating layer 29 and a second inner shell 31, the second outer shell 28, the second heat-insulating layer 29 and the second inner shell 31 are sequentially arranged from outside to inside, a speed reduction motor 3 is arranged at the center of the top of the first outer shell 21, an output shaft of the speed reduction motor 3 penetrates through the first heat-insulating layer 22 and the first inner shell 24 and is connected with a rotating shaft 25 through a coupler 17, the coupler 17 and the rotating shaft 25 are both located inside the first inner shell 24, a first temperature sensor 20 and a first material level sensor 18 are respectively arranged on two sides of the top end inside the first inner shell 24, a first electric heating coil 23 is arranged between the outer wall of the first inner shell 24 and the inner wall of the first, a first feeding pipe 2 is arranged on one side of the top of the first inner shell 24, the top end of the first feeding pipe 2 sequentially penetrates through the first heat-preservation layer 22 and the first outer shell 21, four corners of the lower surface of the first outer shell 21 are connected with four corners of the top of the second outer shell 28 through connecting rods 5, a first discharging pipe 13 is arranged at the bottom of the first inner shell 24, the bottom end of the first discharging pipe 13 sequentially penetrates through the first heat-preservation layer 22 and the first outer shell 21 and is connected with a second feeding pipe 15 through a pipe joint 14, the second feeding pipe 15 is arranged at the top of the second inner shell 31, the top end of the second feeding pipe 15 sequentially penetrates through the second heat-preservation layer 29 and the second outer shell 28, a second electric heating coil 30 is arranged between the inner wall of the second heat-preservation layer 29 and the outer wall of the second inner shell 31, and second temperature sensors 26 and second material level sensors 27 are respectively arranged on two sides of, a second discharge pipe 8 is arranged at the bottom of the second shell 6, the second discharge pipe 8 sequentially penetrates through a second heat-insulating layer 29 and a second shell 28, the first feed pipe 2, the second feed pipe 15, the first discharge pipe 13 and the second discharge pipe 8 are all provided with an electromagnetic valve 1, a control box 10 is arranged on the outer wall of one side of the first shell 21, a controller 16 is arranged in the control box 10, a stirring rod 19 is arranged on the outer wall of a rotating shaft 25, supporting columns 7 are arranged at four corners of the bottom of the second shell 28, a display screen 9 and a controller panel 11 are arranged on the front end face of the control box 10, the display screen 9 is positioned above the controller panel 11, a control button 12 is arranged on the front end face of the controller panel 11, and output ends of the first temperature sensor 20, the second temperature sensor 26, the first material level sensor 18 and the second material level sensor 27 are electrically connected with an input end of the controller 16, the output end of the controller 16 is respectively and electrically connected with the input ends of the first electric heating coil 23, the second electric heating coil 30, the speed reducing motor 3 and the electromagnetic valve 1, the models of the first temperature sensor 20 and the second temperature sensor 26 are PT-100 temperature sensors, the model of the controller 16 is an RS-485 controller, and the models of the first material level sensor 18 and the second material level sensor 27 are HX-LW1000 material level sensors.

The working principle is as follows: when the material preheating device is used, an external power supply is switched on, when a worker preheats a material, the material is added into the first inner shell 24 from the first feeding pipe 2, the first material level sensor 18 detects the material level of the first inner shell 24 in real time, when the material level data value detected by the first material level sensor 18 is larger than the preset material level data value, the controller 16 controls the electromagnetic valve 1 on the first feeding pipe 2 to be closed, the first temperature sensor 20 detects the temperature in the first inner shell 24 in real time, when the temperature data value detected by the first temperature sensor 20 is larger than the preset temperature data value, the controller 16 controls the first electric heating coil 23 to be closed, the first electric heating coil 23 stops heating the principle in the first inner shell 24, the phenomenon that the quality of the material is influenced due to overhigh temperature is avoided, when the temperature data value detected by the first temperature sensor 20 is smaller than the preset temperature data value, the controller 16 controls the electric heating coil to continuously heat the raw material in the first inner shell 24, so that the raw material in the first inner shell 24 is preheated at a certain temperature, the preheating effect is improved, the raw material in the first inner shell 24 can be stirred under the matching of the speed reducing motor 3, the coupler 17, the stirring rod 19 and the rotating shaft 25, and the preheating effect of the raw material is improved again; after the raw material in the first inner shell 24 is preheated, a worker opens the electromagnetic valves 1 on the first discharging pipe 13 and the second feeding pipe 15 through the control button 12, so that the raw material in the first inner shell 24 flows into the second inner shell 31, the raw material is subjected to heat preservation in the second inner shell 31, when the second material level sensor 27 detects that the material level data value is larger than the preset material level data value, the controller 16 controls the electromagnetic valves 1 on the first discharging pipe 13 and the second feeding pipe 15 to be closed, the second temperature sensor 26 detects the temperature in the second inner shell 31 in real time, so that the raw material in the second inner shell 31 is kept in a certain temperature range for heat preservation, and the condition that the temperature of the raw material is reduced is avoided; when the raw materials in the first inner shell 24 completely enter into the second inner shell 31 to keep warm, the staff adds the raw materials to preheat in the first inner shell 24 again, so that subsequent supplement is provided after the raw materials in the second inner shell 31 are used up, the condition of preheating the raw materials and supplying the raw materials is avoided, the work efficiency is improved, and the practicability is strong.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a downer reactor light hydrocarbon catalytic conversion device, includes first casing (4) and second casing (6), its characterized in that: the first shell (4) comprises a first outer shell (21), a first heat preservation layer (22) and a first inner shell (24), the first outer shell (21), the first heat preservation layer (22) and the first inner shell (24) are sequentially arranged from outside to inside, the second shell (6) comprises a second outer shell (28), a second heat preservation layer (29) and a second inner shell (31), the second outer shell (28), the second heat preservation layer (29) and the second inner shell (31) are sequentially arranged from outside to inside, the top center position of the first outer shell (21) is provided with the speed reducing motor (3), an output shaft of the speed reducing motor (3) penetrates through the first heat preservation layer (22) and the first inner shell (24) and is connected with the rotating shaft (25) through the coupler (17), the coupler (17) and the rotating shaft (25) are both located inside the first inner shell (24), two sides of the top end inside the first inner shell (24) are respectively provided with a first temperature sensor (20) and a first material level sensor (18), a first electric heating coil (23) is arranged between the outer wall of the first inner shell (24) and the inner wall of the first heat-preservation layer (22), a first feeding pipe (2) is arranged on one side of the top of the first inner shell (24), the top end of the first feeding pipe (2) sequentially penetrates through the first heat-preservation layer (22) and the first outer shell (21), four corners of the lower surface of the first outer shell (21) are connected with four corners of the top of the second outer shell (28) through connecting rods (5), a first discharging pipe (13) is arranged at the bottom of the first inner shell (24), the bottom end of the first discharging pipe (13) sequentially penetrates through the first heat-preservation layer (22) and the first outer shell (21) and is connected with the second feeding pipe (15) through a pipe type joint (14), the second feeding pipe (15) is arranged at the top of the second inner shell (31), and the top end of the second feeding pipe (15) sequentially penetrates through the second heat-preservation layer (29) and the second outer shell (28), be provided with second electric heating coil (30) between the inner wall of second heat preservation (29) and the outer wall of second inner shell (31), the inside top both sides of second inner shell (31) are provided with second temperature sensor (26) and second level sensor (27) respectively, the bottom of second casing (6) is provided with second discharging pipe (8), and second discharging pipe (8) run through second heat preservation (29) and second shell (28) in proper order, all be provided with solenoid valve (1) on first inlet pipe (2), second inlet pipe (15), first discharging pipe (13) and second discharging pipe (8), install control box (10) on one side outer wall of first shell (21), be provided with controller (16) in control box (10).

2. The light hydrocarbon catalytic conversion unit of the downer reactor of claim 1, wherein: and a stirring rod (19) is arranged on the outer wall of the rotating shaft (25).

3. The light hydrocarbon catalytic conversion unit of the downer reactor of claim 1, wherein: and supporting columns (7) are arranged at four corners of the bottom of the second shell (28).

4. The light hydrocarbon catalytic conversion unit of the downer reactor of claim 1, wherein: the front end face of the control box (10) is provided with a display screen (9) and a controller panel (11), the display screen (9) is located above the controller panel (11), and a control button (12) is arranged on the front end face of the controller panel (11).

5. The light hydrocarbon catalytic conversion unit of the downer reactor of claim 1, wherein: the output ends of the first temperature sensor (20), the second temperature sensor (26), the first material level sensor (18) and the second material level sensor (27) are electrically connected with the input end of the controller (16).

6. The light hydrocarbon catalytic conversion unit of the downer reactor of claim 1, wherein: the output end of the controller (16) is respectively electrically connected with the input ends of the first electric heating coil (23), the second electric heating coil (30), the speed reducing motor (3) and the electromagnetic valve (1).

Images