CN219023339U

CN219023339U - Water removal system for dimethyl dichlorosilane hydrolysate

Info

Publication number: CN219023339U
Application number: CN202223392407.2U
Authority: CN
Inventors: 王刚; 贺良云; 罗进; 刘成彬; 汪令杰; 李新欣; 马波; 高帅
Original assignee: Hesheng Silicon Industry Zhangzhou Co ltd
Current assignee: Hesheng Silicon Industry Zhangzhou Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-16
Anticipated expiration: 2032-12-13

Abstract

The utility model relates to an organic matter dewatering system, and in order to better remove moisture in dimethyl dichlorosilane hydrolysate, the utility model provides a dewatering system for dimethyl dichlorosilane hydrolysate, which comprises a first storage tank, a first pump body connected with the outlet end of the first storage tank, a heat exchanger connected with the outlet end of the first pump body, a phase separator connected with the outlet end of the heat exchanger, and a second pump body; the phase separator is provided with a liquid outlet and a water outlet; the second pump body is used for connecting the liquid outlet and the first storage tank. The water removal system for the dimethyldichlorosilane hydrolysate can effectively and sufficiently remove water in the hydrolysate.

Description

Water removal system for dimethyl dichlorosilane hydrolysate

Technical Field

The utility model relates to the technical field of organic matter dewatering systems, in particular to a dewatering system for dimethyl dichlorosilane hydrolysate.

Background

The organosilicon product is a high and new technology product developed in the 40 th century, has the dual performances of inorganic materials and organic materials, and has the excellent characteristics of high and low temperature resistance, electrical insulation, weather resistance, corrosion resistance, innocuity, tasteless and the like; therefore, the organic silicon material is widely applied to the fields of aerospace, electronics, automobiles, petroleum, chemical industry, buildings and the like, and especially in a plurality of tip fields, the organic silicon material has irreplaceable special effects, and the dual reputation of a catalyst for technological development and industrial monosodium glutamate is obtained.

The mixed ring body (DMC) used for preparing most organosilicon materials is prepared by hydrolyzing and cracking dimethyl dichlorosilane, and the dimethyl dichlorosilane hydrolysate is subjected to a series of processes of filtration metering, dehydration, polymerization, low dehydration and the like to finally obtain the needed sizing material, but the hydrolysate obtained by the hydrolysis reaction of the dimethyl dichlorosilane usually contains a large amount of water, which is unfavorable for the implementation of the subsequent production process, and basically is simply and roughly dehydrated although the hydrolysate still contains a large amount of water.

In summary, designing a system that can more effectively and thoroughly remove moisture from the hydrolysate can improve the quality of the hydrolysate to a certain extent, and is more beneficial to subsequent production processes.

Disclosure of Invention

The utility model aims to provide a water removal system for a dimethyldichlorosilane hydrolysate, which can effectively and sufficiently remove water in the hydrolysate.

The embodiment of the utility model is realized by the following technical scheme: the utility model relates to a water removal system for a dimethyl dichlorosilane hydrolysate, which comprises a first storage tank, a first pump body connected with the outlet end of the first storage tank, a heat exchanger connected with the outlet end of the first pump body, a phase separator connected with the outlet end of the heat exchanger, and a second pump body; the phase separator is provided with a liquid outlet and a water outlet; the second pump body is used for connecting the liquid outlet and the first storage tank.

Further, the device also comprises a heater; the inlet end of the heater is connected with the water outlet, and the outlet end of the heater is connected with the inlet end of the heat exchanger.

Further, the water outlet valve also comprises a first three-way valve arranged at the water outlet; the inlet end of the heater is connected with the first three-way valve.

Further, the first three-way valve is a pneumatic valve.

Further, the device also comprises a second storage tank, wherein the outlet end of the second storage tank is connected with the first storage tank.

Further, the pump also comprises a third storage tank and a second three-way valve arranged at the outlet end of the second pump body; the third storage tank is connected with the second three-way valve, and the first storage tank is connected with the second three-way valve.

Further, the second three-way valve is a pneumatic valve.

The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:

the water removal system for the dimethyl dichlorosilane hydrolysate can discharge the hydrolysate (DMC and water) into the first storage tank when in use, and then the hydrolysate in the first storage tank is pumped into the heat exchanger by using the first pump body;

the hydrolysate is heated to a certain temperature in a heat exchanger and then continuously enters a phase separator for separation in the phase separator, wherein DMC (still containing part of water) is discharged through a liquid outlet;

the water is discharged through the water outlet, DMC discharged from the water outlet flows back to the first storage tank under the action of the second pump body, and part of water in the hydrolysate can be discharged each time in the process of circulating the process for a plurality of times, so that the water content of the final hydrolysate reaches a relatively ideal value (less than 0.05%).

The heat exchanger is used for heating the hydrolysate and then carrying out phase separation, so that the phase separation efficiency can be effectively improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a water removal system for dimethyldichlorosilane hydrolysate according to an embodiment of the present utility model.

Icon: 1-first storage tank, 2-first pump body, 3-heat exchanger, 4-phase separator, 5-second pump body, 6-second storage tank, 7-third storage tank, 8-heater, 9-first three-way valve, 10-second three-way valve.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model 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 utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As will be further described below with reference to the specific embodiment, as shown in fig. 1 (arrows in the drawing represent the flow direction of the liquid), the water removal system for dimethyldichlorosilane hydrolysate of the present embodiment includes a first tank 1, a first pump body 2 connected to an outlet end of the first tank 1, a heat exchanger 3 connected to an outlet end of the first pump body 2, a phase separator 4 connected to an outlet end of the heat exchanger 3, and a second pump body 5; the phase separator 4 is provided with a liquid outlet and a water outlet; the second pump body 5 is used for connecting the liquid outlet and the first storage tank 1. Specifically, when in use, the hydrolysate (DMC and water) can be firstly discharged into the first storage tank 1, then the hydrolysate in the first storage tank 1 is pumped into the heat exchanger 3 by using the first pump body 2, the hydrolysate is heated to a certain temperature in the heat exchanger 3 and then continuously enters the phase separator 4, and is separated in the phase separator 4, wherein DMC (still containing part of water) is discharged through a liquid discharge port, water is discharged through a water discharge port, DMC discharged from the liquid discharge port flows back into the first storage tank 1 under the action of the second pump body 5, and part of water in the hydrolysate is discharged each time by circulating the process for a plurality of times, so that the water content of the final hydrolysate reaches a relatively ideal value (less than 0.05%). Wherein the heat exchanger 3 is used for heating the hydrolysate and then carrying out phase separation, so that the phase separation efficiency can be effectively improved.

In this embodiment, the heater 8 is also included; the inlet end of the heater 8 is connected with the water outlet, and the outlet end of the heater 8 is connected with the inlet end of the heat exchanger 3. Specifically, a heat medium (such as hot water) may be introduced into the heat exchanger 3 to heat the hydrolysate, so that the water discharged after phase separation has a certain temperature, but the temperature is lower than that of the heat medium, so that the water may be introduced into the heater 8, and heated again by the heater 8 and then introduced into the heat exchanger 3 to heat the hydrolysate, wherein part of the water may be separated from the heat medium of the heat exchanger 3 itself. This can save some energy to some extent.

In this embodiment, the device further comprises a first three-way valve 9 arranged at the water outlet; the inlet end of the heater 8 is connected to a first three-way valve 9. Specifically, the part of water flowing out from the water outlet for heating and then being led into the heat exchanger 3 can be partially recycled, so that the surplus water can be directly discharged through the first three-way valve 9.

In this embodiment, the apparatus further comprises a second storage tank 6, and an outlet end of the second storage tank 6 is connected to the first storage tank 1. Specifically, since the hydrolysate in the first storage tank 1 needs to be subjected to phase separation in a plurality of cycles (about 20 minutes each time), the hydrolysate in the first storage tank 1 needs a certain time to be treated, and the hydrolysate is preferably not newly added in the treatment process, so that the separation efficiency is not affected, the newly produced hydrolysate can be stored in the second storage tank 6 at this time, and when the hydrolysate in the first storage tank 1 is dehydrated, part of the hydrolysate in the second storage tank 6 is discharged into the first storage tank 1, so that the continuous production of the hydrolysate is not affected.

In this embodiment, the pump further comprises a third storage tank 7 and a second three-way valve 10 arranged at the outlet end of the second pump body 5; the third tank 7 is connected to a second three-way valve 10, and the first tank 1 is connected to the second three-way valve 10. Specifically, hydrolysate with water content reaching the standard after repeated circulating water removal can be discharged into the third storage tank 7 through the second three-way valve 10 for temporary storage or directly transferred to the next production process.

In this embodiment, the first three-way valve 9 is a pneumatic valve. The second three-way valve 10 is a pneumatic valve. Specifically, the first three-way valve 9 and the second three-way valve 10 may be electromagnetic valves, and other valves in the device may be pneumatic or electromagnetic automatic control valves.

In summary, in the dewatering system for dimethyldichlorosilane hydrolysate of this embodiment, during use, the hydrolysate can be discharged into the first storage tank 1 first, then the hydrolysate in the first storage tank 1 is pumped into the heat exchanger 3 by using the first pump body 2, the hydrolysate is heated to a certain temperature in the heat exchanger 3 and then continuously enters the phase separator 4, separation is performed in the phase separator 4, DMC is discharged through the liquid outlet, water is discharged through the liquid outlet, DMC discharged from the liquid outlet flows back into the first storage tank 1 under the action of the second pump body 5, and part of water in the hydrolysate is discharged each time by circulating the process for a plurality of times, so that the water content of the final hydrolysate reaches a more ideal value. Wherein the heat exchanger 3 is used for heating the hydrolysate and then carrying out phase separation, so that the phase separation efficiency can be effectively improved.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A water removal system for a dimethyldichlorosilane hydrolysate, characterized by: the device comprises a first storage tank, a first pump body connected with the outlet end of the first storage tank, a heat exchanger connected with the outlet end of the first pump body, a phase separator connected with the outlet end of the heat exchanger, and a second pump body; the phase separator is provided with a liquid outlet and a water outlet;

the second pump body is used for connecting the liquid outlet and the first storage tank.

2. The water removal system for dimethyldichlorosilane hydrolysates of claim 1, wherein: also comprises a heater; the inlet end of the heater is connected with the water outlet, and the outlet end of the heater is connected with the inlet end of the heat exchanger.

3. The water removal system for dimethyldichlorosilane hydrolysates of claim 2, wherein: the first three-way valve is arranged at the water outlet; the inlet end of the heater is connected with the first three-way valve.

4. A water removal system for dimethyldichlorosilane hydrolysates according to claim 3, wherein: the first three-way valve is a pneumatic valve.

5. The water removal system for dimethyldichlorosilane hydrolysates of claim 1, wherein: the system further comprises a second storage tank, wherein the outlet end of the second storage tank is connected with the first storage tank.

6. The water removal system for dimethyldichlorosilane hydrolysates of claim 1, wherein: the second pump body comprises a second pump body and a second pump body, wherein the second pump body is provided with a first pump body outlet end and a second pump body outlet end;

the third storage tank is connected with the second three-way valve, and the first storage tank is connected with the second three-way valve.

7. The water removal system for dimethyldichlorosilane hydrolysates of claim 6, wherein: the second three-way valve is a pneumatic valve.