CN217594576U

CN217594576U - System for be used for organosilicon production

Info

Publication number: CN217594576U
Application number: CN202220768794.6U
Authority: CN
Inventors: 侯康东; 孙茂; 刘成彬; 汪令杰; 唐年华; 李新欣; 高帅
Original assignee: Hesheng Silicon Industry Zhangzhou Co ltd
Current assignee: Hesheng Silicon Industry Zhangzhou Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-10-18
Anticipated expiration: 2032-04-02

Abstract

The utility model relates to a chemical production system, in order to reduce the system blockage, a system for producing organic silicon is provided, which comprises a fluidized bed, a first cyclone dust collector communicated with the upper end of the fluidized bed, a second cyclone dust collector communicated with the upper end of the first cyclone dust collector, and a third cyclone dust collector communicated with the upper end of the second cyclone dust collector; the third cyclone dust collector is a single-stage cyclone. The utility model discloses a system for be used for organosilicon production can prevent effectively that the system from blockking up.

Description

System for be used for organosilicon production

Technical Field

The utility model relates to a chemical production system's technical field particularly, relates to a system for organosilicon production.

Background

With the continuous development of the domestic organic silicon industry, the domestic monomer enterprises have been rapidly increased at the beginning of the century, the U-shaped bed used at home and abroad is a method for directly synthesizing silicon and methyl chloride at present, and an expansion section is arranged at the top of a reactor, so that coarse particles entering a free airspace return to the bed in time, the catalyst carrying amount is reduced, the dust removal load of a dust remover and the abrasion of the particles to subsequent pipelines and equipment are reduced, and meanwhile, the installation and the setting of internal components are facilitated. The high-efficiency low-resistance type circulating type cyclone dust collector is adopted to separate dust carried in the gas, coarse particles directly return to the bed, medium particles intermittently return to the bed, fine dust (about 2 percent) to be removed can be discharged out of the system in time, and the dust content in the gas entering the next working section is about one fifth of that of the existing device.

However, in the using process of the system, the internal rotation is used for returning to the bed, the internal rotation is easy to block during the using process, the system is easy to fluctuate after the internal rotation is blocked, the subsequent plurality of cyclones are unreasonably configured and used, the blocking condition of the system is easy to occur, and the overhauling difficulty and the overhauling rate of the system are improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a system for organosilicon production, it can prevent effectively that the system from blockking up.

The embodiment of the utility model discloses a realize through following technical scheme: the utility model discloses a system for organosilicon production, including the fluidized bed, with the first cyclone of fluidized bed upper end intercommunication, with the second cyclone of first cyclone upper end intercommunication, and with the third cyclone of second cyclone upper end intercommunication; the third cyclone dust collector is a single-stage cyclone.

Further, the fluidized bed comprises a tank body, and a plurality of heat exchange devices arranged inside the tank body; a plurality of pieces of the heat exchange devices are distributed along the vertical direction; liquid inlet ends of the heat exchange devices are all in conduction connection with the oil inlet pipe, and liquid outlet ends of the heat exchange devices are all in conduction connection with the oil outlet pipe; and the liquid inlet end of the heat exchange device is provided with a flow valve.

Furthermore, the heat exchange device comprises an annular heat exchange plate and an oil pipe arranged in the heat exchange plate; the heat exchange plate is detachably attached to the inner wall of the tank body; and the two ends of the oil pipe penetrate through the side wall of the tank body and are respectively in conduction connection with the oil inlet pipe and the oil outlet pipe.

Furthermore, the oil pipe is spirally arranged inside the heat exchange plate.

Further, the liquid outlet end of the oil pipe is higher than the liquid inlet end.

Furthermore, the heat exchange device also comprises a plurality of heat conduction plates arranged on the inner wall of the heat exchange plate.

Further, the length direction of the heat conducting plate is parallel to the axial direction of the tank body.

The utility model discloses technical scheme has following advantage and beneficial effect at least: the utility model discloses a system for organosilicon production, on traditional production system's basis, with the cyclone cancellation directly over the fluidized bed, just also cancel the unloading pipe in this cyclone's the disect insertion fluidized bed, just so just only leave 3 cyclones, and the third cyclone is single-stage whirlwind, the cooperation sets up like this and can reduce the whirlwind jam condition effectively, promote workshop maintenance efficiency simultaneously, reduce the risk of overhauing the in-process, guarantee that the synthesis workshop normally drives.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a system for silicone production provided by an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a fluidized bed portion of a system for silicone production provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the inside of a fluidized bed of a system for organosilicon production according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a heat exchange device part of a system for producing organic silicon provided by an embodiment of the invention;

fig. 5 is a schematic structural diagram of an oil pipe portion of a system for producing organic silicon provided by an embodiment of the present invention.

Icon: 10-fluidized bed, 11-tank body, 12-heat exchange plate, 13-oil pipe, 14-flow valve, 15-oil inlet pipe, 16-oil outlet pipe, 17-heat conducting plate, 20-first cyclone dust collector, 30-second cyclone dust collector and 40-third cyclone dust collector.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of this application is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated is not to be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, 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.

Examples

As further described below with reference to the specific embodiment, as shown in fig. 1 to 5, the system for producing organic silicon of the present embodiment includes a fluidized bed 10, a first cyclone 20 communicating with an upper end of the fluidized bed 10, a second cyclone 30 communicating with an upper end of the first cyclone 20, and a third cyclone 40 communicating with an upper end of the second cyclone 30; the third cyclone dust collector 40 is a single cyclone. Specifically, on the basis of traditional production system, with the cyclone cancellation directly over fluidized bed 10, just also cancelled the unloading pipe in this cyclone's the disect insertion fluidized bed 10, just so just leave 3 cyclones, and third cyclone 40 is single-stage whirlwind, and the cooperation sets up like this and can reduce the whirlwind jam condition effectively, promotes workshop maintenance efficiency simultaneously, reduces the risk of overhauing the in-process, guarantees that the synthesis workshop normally drives.

The fluidized bed 10 in this embodiment includes a tank 11, and a plurality of heat exchange devices disposed inside the tank 11; a plurality of heat exchange devices are distributed along the vertical direction; the liquid inlet ends of the heat exchange devices are all in conduction connection with the oil inlet pipe 15, and the liquid outlet ends of the heat exchange devices are all in conduction connection with the oil outlet pipe 16; a flow valve 14 is arranged at the liquid inlet end of a heat exchange device. Specifically, a plurality of mutually independent heat exchange devices are arranged in the tank 11 along the height direction, different temperature distributions at different positions in the tank 11 can be more accurately adjusted, the heat exchange efficiency of the heat exchange devices at corresponding positions can be adjusted according to different temperatures in the tank 11 along the vertical direction, and the temperature can be adjusted, more specifically, the heat exchange devices are mainly used for bringing out the temperature in the tank 11, heat conduction oil is introduced into the heat exchange devices through an oil inlet pipe 15, the heat conduction oil absorbs heat and then is discharged through an oil outlet pipe 16, the heat conduction oil enters the heat exchange devices after being cooled in a circulating and cooling device, the oil quantity can be easily adjusted by adjusting a flow valve 14 on the heat exchange devices, so that the heat exchange efficiency can be adjusted, in addition, temperature sensors can be arranged at different positions in the tank 11, and after the temperature sensors are connected with control equipment (PLC and the like), the flow valve 14 is automatically controlled through the control equipment, so that automatic and accurate temperature adjustment is realized, manual operation is reduced, and the production quality is improved.

The heat exchange device in the embodiment comprises an annular heat exchange plate 12 and an oil pipe 13 arranged in the heat exchange plate 12; the heat exchange plate 12 is detachably attached to the inner wall of the tank body 11; both ends of the oil pipe 13 penetrate through the side wall of the tank body 11 and are respectively connected with the oil inlet pipe 15 and the oil outlet pipe 16 in a conduction mode. The oil pipe 13 is spirally arranged inside the heat exchange plate 12. Specifically, the oil pipes 13 in the heat exchange plate 12 are spirally densely distributed in the heat exchange plate 12, so that the heat exchange efficiency between the hot air flow in the tank 11 and the oil in the oil pipes 13 can be improved, and the accurate temperature adjustment can be realized.

The liquid outlet end of the oil pipe 13 in this embodiment is higher than the liquid inlet end. Specifically, this enables the oil pipe 13 to be always kept filled with oil.

The heat exchange device in this embodiment further comprises a plurality of heat conducting plates 17 arranged on the inner wall of the heat exchange plate 12. Specifically, the heat conducting plate 17 can increase the contact area between the hot air flow in the tank 11 and the heat exchanging plate 12, and increase the heat exchanging efficiency.

The length direction of the heat conductive plate 17 in this embodiment is parallel to the axial direction of the can body 11. In particular, this avoids the heat-conducting plate 17 from affecting the normal flow of air inside the tank 11.

In conclusion, the system for organosilicon production of this embodiment, on the basis of traditional production system, with the cyclone directly over fluidized bed 10 cancel, just also cancelled the unloading pipe that this cyclone's direct insertion was in fluidized bed 10, just so leave 3 cyclones, and third cyclone 40 is single-stage whirlwind, and the cooperation sets up like this and can reduce the whirlwind jam condition effectively, promotes workshop maintenance efficiency simultaneously, reduces the risk in the maintenance process, guarantees that the workshop normally drives.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A system for silicone production, characterized by: the device comprises a fluidized bed, a first cyclone dust collector communicated with the upper end of the fluidized bed, a second cyclone dust collector communicated with the upper end of the first cyclone dust collector, and a third cyclone dust collector communicated with the upper end of the second cyclone dust collector; the third cyclone dust collector is a single-stage cyclone.

2. The system for silicone production according to claim 1, characterized in that: the fluidized bed comprises a tank body, and a plurality of heat exchange devices arranged in the tank body; a plurality of heat exchange devices are distributed along the vertical direction;

liquid inlet ends of the heat exchange devices are all in conduction connection with the oil inlet pipe, and liquid outlet ends of the heat exchange devices are all in conduction connection with the oil outlet pipe; and the liquid inlet end of the heat exchange device is provided with a flow valve.

3. The system for silicone production according to claim 2, characterized in that: the heat exchange device comprises an annular heat exchange plate and an oil pipe arranged in the heat exchange plate;

the heat exchange plate is detachably attached to the inner wall of the tank body; and the two ends of the oil pipe penetrate through the side wall of the tank body and are respectively in conduction connection with the oil inlet pipe and the oil outlet pipe.

4. The system for silicone production according to claim 3, characterized in that: the oil pipe is spirally arranged inside the heat exchange plate.

5. The system for silicone production according to claim 4, characterized in that: the liquid outlet end of the oil pipe is higher than the liquid inlet end.

6. The system for silicone production according to claim 3, characterized in that: the heat exchange device also comprises a plurality of heat conducting plates arranged on the inner wall of the heat exchange plate.

7. The system for silicone production according to claim 6, characterized in that: the length direction of the heat conducting plate is parallel to the axial direction of the tank body.