Organosilicon monomer rectification separation energy-saving device

Abstract

The utility model discloses an organic silicon monomer rectification separation energy-saving device, which comprises a support bottom plate, a rectification tower, a preheater, a waste heat recovery device and a reboiler, the rectification tower is arranged on the upper surface of the support bottom plate through a support frame, a plurality of separation sections are arranged in the rectification tower, a plurality of packing layers are arranged in each separation section, and the preheater is arranged on the support bottom plate. The top end of the rectifying tower is provided with a preheater and a waste heat recovery device through connecting pipes, the top end of the preheater is provided with a rectifying tank, the top end of the rectifying tower is connected with a condenser through a rectifying head pipe, and the surface of the condenser is connected with the waste heat recovery device through a connecting pipe; the device has the characteristics that the practicability is high, waste heat of steam at the top of the rectifying tower is used for preheating raw materials by optimizing the rectifying tower structure and a heat exchange system, the energy consumption of an external heat source is obviously reduced, the equipment structure is simplified, and the operation cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of organic silicon rectification separation, specifically to an organic silicon monomer rectification separation energy-saving device. BACKGROUND

[0002] Organic silicon monomer is an important raw material for producing organic silicon materials, and its purity directly affects the performance of the final product. In the production process of organic silicon monomer, rectification separation is one of the key steps. The traditional rectification separation device has problems such as high energy consumption, low separation efficiency, and complex equipment, especially when dealing with multi-component mixtures, the contradiction between energy consumption and separation efficiency is more prominent.

[0003] In the prior art, the separation effect is usually improved by adopting a multi-tower series connection or increasing the reflux ratio, but this will cause a substantial increase in energy consumption, which does not meet the green and energy-saving production requirements.

[0004] Therefore, it is necessary to design a practical organic silicon monomer rectification separation energy-saving device that optimizes the rectification tower structure and heat exchange system to reduce energy consumption, improve separation efficiency, simplify the equipment structure, and reduce operating costs. INVENTION CONTENTS

[0005] The utility model aims at providing an organic silicon monomer rectification separation energy-saving device to solve the problems raised in the background art.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: an organic silicon monomer rectification separation energy-saving device, comprising a support base plate, a rectification tower, a pre-heater, a waste heat recovery device, and a reboiler, the upper surface of the support base plate is provided with a rectification tower through a support frame, the rectification tower is internally provided with multiple separation sections, and each separation section is internally provided with multiple filler layers, the top end of the rectification tower is provided with a pre-heater and a waste heat recovery device through a connecting pipe, the top end of the pre-heater is provided with a rectification tank, the top end of the rectification tower is connected with a condenser through a rectification head pipe, and the surface of the condenser is connected with a waste heat recovery device through a connecting pipe, the rectification tower is internally provided with multiple separation sections, and each separation section is internally provided with a filler layer. The heat exchange system comprises a pre-heater and a waste heat recovery device, the pre-heater is used for preheating the raw material, and the waste heat recovery device is used for recovering the waste heat of the steam at the top of the rectification tower; the top of the rectification tower is provided with a condenser for condensing the steam into liquid, part of the condensed liquid returns to the rectification tower as reflux liquid, and the other part is taken out as product.

[0007] According to the technical scheme, the condenser pipe is provided with a condenser coil at one end inside the condenser, the other end of the condenser coil is provided with a collecting pipe, the other end of the collecting pipe is provided with a collecting bottle, the bottom surface of the condenser is provided with a reflux pipe, the other end of the reflux pipe is connected with a rectifying tower, and the surface of the reflux pipe is provided with a liquid inlet.

[0008] According to the technical scheme, the top end of the condenser is provided with a waste heat recovery device through a connecting pipe, the bottom end of the waste heat recovery device is provided with a pre-heater through a connecting piece, the waste heat recovery device is connected with the pre-heater, the waste heat of the steam at the top of the rectifying tower is used for preheating raw materials, and the energy consumption of an external heat source is reduced.

[0009] According to the technical scheme, the upper surface of the supporting bottom plate is fixedly provided with four supporting rods, the surfaces of the two supporting rods are provided with fixing frames, and the middle of the fixing frame is provided with the condenser, so that the condenser can be stably placed through the fixing frame cooperating with the supporting rods.

[0010] According to the technical scheme, the bottom surface of the supporting bottom plate is provided with four universal wheels, and the top ends of the two supporting rods on the upper surface of the supporting bottom plate are provided with a placing plate, one side surface of the bottom end of the placing plate is provided with two supporting rods, the other end of the two supporting rods at the bottom end of the placing plate is provided with a universal wheel, and the plurality of supporting rods cooperating with the supporting bottom plate and the placing plate can facilitate the placement of other structures and can also play a supporting role, and the universal wheels can facilitate the movement of the equipment.

[0011] According to the technical scheme, the upper surface of the placing plate is provided with a heating controller, the surface of the heating controller is provided with a control panel and a display screen, and workers can simply control the entire equipment by operating the heating controller cooperating with the control panel and the display screen on the surface, thereby facilitating the operation of the workers.

[0012] According to the technical scheme, the back surface of the waste heat recovery device is provided with a fixing rod through a mounting plate, and the two ends of the fixing rod are arranged on the surface of the supporting rod, so that the waste heat recovery device can stably work through the fixing rod cooperating with the mounting plate, and the supporting rod facilitates the installation of the fixing rod.

[0013] According to the above technical scheme, the heat transfer bottom layer is arranged at the bottom end of the rectifying tower, a plurality of filler layers and a demister are sequentially arranged in the rectifying tower, and the bottom end of the rectifying tower is provided with a reboiler, the reboiler is arranged at the bottom of the rectifying tower and is used for providing heat to vaporize the liquid at the bottom of the tower, and the filler layers and the demister arranged in the rectifying tower can increase the gas-liquid contact area and improve the separation efficiency.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] 1. Reduce energy consumption: by setting up the waste heat recovery device, the waste heat of the rectifying tower top steam is used for preheating raw materials, which significantly reduces the energy consumption of external heat source and realizes efficient use of energy.

[0016] 2. Improve separation efficiency: the high-efficiency filler layer is arranged in the rectifying tower, the gas-liquid contact area is increased, the mass transfer efficiency is improved, and the separation of the organic silicon monomer is more thorough.

[0017] 3. Simplify the equipment structure: by optimizing the design of the rectifying tower and the heat exchange system, the complexity and the floor area of the equipment are reduced, and the equipment investment and the operation cost are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation to the utility model. In the drawings:

[0019] Figure 1 It is the overall structure schematic view of the organic silicon monomer rectification separation energy-saving device of the utility model;

[0020] Figure 2 It is the structure schematic view of the back of the organic silicon monomer rectification separation energy-saving device of the utility model;

[0021] Figure 3 It is the internal structure schematic view of the rectifying tower of the utility model;

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

[0023] In the drawing: 1, support bottom plate; 2, placing plate; 3, support rod; 4, universal wheel; 5, heating controller; 6, rectifying tower; 7, rectifying tank; 8, preheater; 9, condenser; 10, waste heat recovery device; 11, collection bottle; 12, fixing frame; 13, liquid inlet; 14, reflux pipe; 15, collection pipe; 16, rectifying head pipe; 17, fixing rod; 18, support frame; 19, control panel; 20, display screen; 21, condensing coil; 22, filler layer; 23, demister; 24, heat transfer bottom layer; 25, reboiler. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0025] Please refer to Figures 1-4 The present application provides a technical scheme: an energy-saving device for rectifying and separating organic silicon monomers, comprising a supporting bottom plate 1, a rectifying tower 6, a pre-heater 8, a waste heat recovery device 10 and a reboiler 25. The rectifying tower 6 is arranged on the upper surface of the supporting bottom plate 1 through a supporting frame 18. The rectifying tower 6 is internally provided with multiple separation sections, and each separation section is internally provided with multiple filler layers 22. The top end of the rectifying tower 6 is provided with the pre-heater 8 and the waste heat recovery device 10 through a connecting pipe. The top end of the pre-heater 8 is provided with a rectifying tank 7. The top end of the rectifying tower 6 is connected with a condenser 9 through a rectifying head pipe 16. The surface of the condenser 9 is connected with the waste heat recovery device 10 through a connecting pipe. The rectifying tower 6 is internally provided with multiple separation sections, and each separation section is internally provided with a filler layer 22. The heat exchange system comprises the pre-heater 8 and the waste heat recovery device 10. The pre-heater 8 is used for pre-heating raw materials. The waste heat recovery device 10 is used for recovering the waste heat of the steam at the top of the rectifying tower 6. The top of the rectifying tower 6 is provided with the condenser 9, which is used for condensing the steam into liquid. Part of the condensed liquid is returned to the rectifying tower 6 as reflux liquid. Another part is taken out as product.

[0026] Referring to Figures 1-4 The rectifying head pipe 16 is internally provided with a condensing coil 21 at one end of the condenser 9. The other end of the condensing coil 21 is provided with a collecting pipe 15. The other end of the collecting pipe 15 is provided with a collecting bottle 11. The bottom end surface of the condenser 9 is provided with a reflux pipe 14. The other end of the reflux pipe 14 is connected with the rectifying tower 6. The surface of the reflux pipe 14 is provided with a liquid inlet 13. When the steam enters the interior of the condenser 9 for cooling, the cooling liquid in the condensing coil 21 enters the interior of the collecting bottle 11 through the collecting pipe 15 for collection. The setting of the reflux pipe 14 and the liquid inlet 13 can return another part of the cooling liquid to the interior of the rectifying tower 6.

[0027] Referring to Figures 1-2 The top end of the condenser 9 is provided with the waste heat recovery device 10 through a connecting pipe. The bottom end of the waste heat recovery device 10 is provided with the pre-heater 8 through a connecting piece. The waste heat recovery device 10 is connected with the pre-heater 8. The waste heat of the steam at the top of the rectifying tower 6 is used for pre-heating raw materials, thereby reducing the energy consumption of external heat sources.

[0028] Referring toFigure 1 The upper surface of the support base plate 1 is fixedly provided with four support rods 3, the surface of two support rods 3 is provided with a fixed frame 12, and the middle of the fixed frame 12 is placed with a condenser 9, and the condenser 9 can be stably placed through the cooperation of the support rods 3 and the fixed frame 12.

[0029] With reference to Figure 1 The bottom end surface of the support base plate 1 is provided with four universal wheels 4, and the top end of the two support rods 3 on the upper surface of the support base plate 1 is provided with a placement plate 2, the bottom end of the placement plate 2 is provided with two support rods 3 on one side surface, and the other end of the two support rods 3 at the bottom end of the placement plate 2 is provided with a universal wheel 4. The cooperation of the plurality of support rods 3 with the support base plate 1 and the placement plate 2 can facilitate the placement of other structures, and at the same time can play a supporting role, and the universal wheel 4 can facilitate the movement of the equipment.

[0030] With reference to Figure 1 The upper surface of the placement plate 2 is provided with a heating controller 5, and the surface of the heating controller 5 is provided with a control panel 19 and a display screen 20. The workers can simply control the entire equipment by operating the heating controller 5 in cooperation with the control panel 19 and the display screen 20 on the surface, thereby facilitating the operation of the workers.

[0031] With reference to Figures 1-2 The back of the waste heat recovery device 10 is provided with a fixed rod 17 through a mounting plate, and the two ends of the fixed rod 17 are arranged on the surface of the support rod 3. The cooperation of the fixed rod 17 with the mounting plate can make the waste heat recovery device 10 work stably, and the arrangement of the support rod 3 facilitates the installation of the fixed rod 17.

[0032] With reference to Figures 1-2 The inside of the rectifying tower 6 is provided with a heat transfer bottom layer 24 at the bottom end, and the inside of the rectifying tower 6 is sequentially provided with a plurality of filler layers 22 and a demister 23, and the bottom end of the rectifying tower 6 is provided with a reboiler 25. The bottom of the rectifying tower 6 is provided with a reboiler 25 for providing heat to vaporize the liquid at the bottom, and the filler layer 22 and the demister 23 arranged in the inside of the rectifying tower 6 can increase the gas-liquid contact area and improve the separation efficiency.

[0033] It should be noted that, in this text, relational terms such as first and second are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0034] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A silicone monomer rectification separation energy saving device comprising a support base plate (1), a rectification tower (6), a pre-heater (8), a waste heat recovery device (10) and a reboiler (25), characterized in that: The upper surface of the support base plate (1) is provided with a rectifying tower (6) through a support frame (18), the rectifying tower (6) is internally provided with a plurality of separation sections, and each separation section is internally provided with a plurality of filler layers (22), the top end of the rectifying tower (6) is provided with a pre-heater (8) and a waste heat recovery device (10) through a connecting pipe, and the top end of the pre-heater (8) is provided with a rectifying tank (7), the top end of the rectifying tower (6) is connected with a condenser (9) through a rectifying head pipe (16), and the surface of the condenser (9) is connected with a waste heat recovery device (10) through a connecting pipe.

2. The energy-saving device for rectifying and separating silicone monomer according to claim 1, characterized in that: The rectifying head pipe (16) is provided with a condensing coil (21) at one end in the condenser (9), the other end of the condensing coil (21) is provided with a collecting pipe (15), the other end of the collecting pipe (15) is provided with a collecting bottle (11), the bottom end surface of the condenser (9) is provided with a reflux pipe (14), the other end of the reflux pipe (14) is connected with the rectifying tower (6), and the surface of the reflux pipe (14) is provided with a liquid inlet (13).

3. The energy-saving device for rectifying and separating silicone monomer according to claim 1, characterized in that: The top end of the condenser (9) is provided with a waste heat recovery device (10) through a connecting pipe, and the bottom end of the waste heat recovery device (10) is provided with a pre-heater (8) through a connecting piece.

4. The energy-saving device for rectifying and separating silicone monomer according to claim 1, characterized in that: The upper surface of the support base plate (1) is fixedly provided with four support rods (3), the surface of the two support rods (3) is provided with a fixing frame (12), and the fixing frame (12) is placed with a condenser (9) in the middle.

5. The energy-saving apparatus for rectifying and separating silicone monomer according to claim 1, characterized in that: The bottom end surface of the support base plate (1) is provided with four universal wheels (4), and the top end of the two support rods (3) on the upper surface of the support base plate (1) is provided with a placing plate (2), the bottom end one side surface of the placing plate (2) is provided with two support rods (3), and the other end of the two support rods (3) at the bottom end of the placing plate (2) is provided with a universal wheel (4).

6. The energy-saving apparatus for rectifying and separating silicone monomers according to claim 5, characterized in that: The upper surface of the placing plate (2) is provided with a heating controller (5), and the surface of the heating controller (5) is provided with a control panel (19) and a display screen (20).

7. The energy-saving apparatus for rectifying and separating silicone monomers according to claim 1, characterized in that: The back surface of the waste heat recovery device (10) is provided with a fixed rod (17) through a mounting plate, and the two ends of the fixed rod (17) are arranged on the surface of the support rod (3).

8. The energy-saving apparatus for rectifying and separating silicone monomers according to claim 1, characterized in that: The inner bottom end of the rectifying tower (6) is provided with a heat transfer bottom layer (24), the inner part of the rectifying tower (6) is sequentially provided with a plurality of filler layers (22) and a demister (23), and the bottom end of the rectifying tower (6) is provided with a reboiler (25).

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