CN214763332U - Low molecule removing device for silicone oil - Google Patents

Abstract

The utility model discloses a low molecule ware is taken off to silicon oil aims at providing a modular design, compact structure, evaporation area are big and take off the high low efficiency silicon oil of low molecule ware. It includes condensation module, evaporation module, water conservancy diversion part, disturbance part and sealing member, the condensation module includes a plurality of vertical shell and tube coolers of arranging, evaporation module includes a plurality ofly and the cooler one-to-one and inlays the type evaporator that indicates of establishing in the cooler, has the clearance between the outer tube lateral wall of the type evaporator that indicates and the cooler inside wall, indicates that the evaporator bottom is equipped with the blind flange who is connected with the cooler, is equipped with on the blind flange to arrange volatile export and the finished product export in the type evaporator surface outside. In the scheme, the design of internal evaporation and external condensation ensures that the heat loss is less; due to the modular design, each unit is relatively independent, so that the maintenance is very convenient; the compact multi-channel design makes the evaporation area very large, far higher than that of the conventional rotary film evaporation equipment.

Description

Low molecule removing device for silicone oil

Technical Field

The utility model relates to a silicon oil production technical field especially relates to a silicon oil takes off low molecule ware.

Background

Currently, silicone oils are widely used in a variety of technical fields. In the production process of the silicone oil, a low molecular remover is needed to purify and obtain a silicone oil product with higher quality. However, the existing silicone oil molecular remover has low molecular removing efficiency and long cooling time, and reduces the removing efficiency.

The invention discloses a condensing device for producing high-hydrogen-content silicone oil, which is named as a condensing device for producing high-hydrogen-content silicone oil in 2019, 12 month and 17 month in the publication number CN209802147U, belongs to the technical field of silicone oil production machinery, and comprises a shell and a cooling liquid tank, wherein the left side of the shell is communicated with a discharge pipe, the right side of the shell is communicated with a cooling liquid return pipe and a cooling liquid inlet pipe, and the cooling liquid return pipe is positioned above the cooling liquid inlet pipe. The utility model discloses a when using, silicon oil is carried to cooling coil from the pipe in, silicon oil and interior heat dissipation wing in the cooling coil contact, cooling liquid and outer heat dissipation wing outside the cooling coil contact, heat radiating area is improved, thereby realize the heat exchange of silicon oil and cooling liquid, then silicon oil after the cooling is discharged from the discharging pipe, current silicon oil cooling mode compares, neotype high hydrogenous for silicon oil production condensing equipment can cool off silicon oil under sealed condition, thereby prevent that silicon oil from being polluted, promote the silicon oil quality, can realize the quick cooling to silicon oil simultaneously, the time is saved, and the production efficiency is improved. This scheme has mainly adopted the form that the heat radiating fin increases heat radiating area to realize the heat exchange of silicon oil and coolant liquid, improves the cooling efficiency of silicon oil production, but this structure is complicated, and the processing cost is high, and the practicality is not strong.

Disclosure of Invention

The utility model overcomes the shortcoming among the prior art, provide a modular design, compact structure, evaporation area are big and take off the high low efficiency silicon oil of low molecule ware of taking off.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model provides a low molecule ware is taken off to silicon oil, includes condensation module, evaporation module, water conservancy diversion part, disturbance part and sealing member, the condensation module includes a plurality of vertical shell and tube coolers of arranging, evaporation module includes a plurality ofly and cooler one-to-ones and inlays the type evaporator that indicates of establishing in the cooler, has the clearance between the outer tube lateral wall of the type evaporator that indicates and the cooler inside wall, indicates that the evaporator bottom is equipped with the blind flange of being connected with the cooler, is equipped with on the blind flange to arrange in the volatile export and the finished product export in the type evaporator surface outside.

Preferably, the upper end of the cooler is provided with a first flange connected with the silicone oil feeding pipe, the thermocouple and the vacuum pressure gauge, and the lower end of the cooler is provided with a second flange connected with the flange at the bottom of the finger-type evaporator. The upper end and the lower end of the cooler are respectively provided with a first flange and a second flange which are arranged as reserved flanges, and the cooler can be firmly connected with the finger-type evaporator in a mode of additionally arranging the flanges. Specifically, the bottom (blind flange) of the finger type evaporator is provided with a flange sealing surface for connecting with a second flange, and both the volatile matter outlet and the finished product outlet are arranged on the inner side of the flange sealing surface.

Preferably, an inner pipe arranged inside the outer pipe is arranged on a blind flange of the finger-type evaporator, an oil inlet communicated with the bottom of the inner pipe is arranged in the center of the blind flange, and an oil outlet positioned between the inner pipe and the outer pipe is arranged on the blind flange. The external heating medium pipeline is communicated with the inner pipe through the oil inlet, a heating medium loop pipeline is arranged between the top end of the inner pipe and the oil outlet, and the heating medium flows into the inner pipe and then flows out of the oil outlet. The heating medium forms a loop in the finger-type evaporator, and the oil inlet and the oil outlet respectively play a role in feeding and discharging oil ways, so that the finger-type evaporator is heated.

Preferably, the outer side wall of the outer pipe of the finger-type evaporator is provided with flow guide lines. The guide lines are threads or other textures, and the grain directions of the guide lines are not vertically arranged. The flow guide lines are arranged, so that the fluid which originally flows vertically downwards can be guided to the outer side wall of the finger-type evaporator outer pipe which is exposed nearby, and the heat transfer area between the liquid and the outer side wall of the finger-type evaporator outer pipe is increased. In addition, the flow guide lines also increase the surface area of the outer side wall of the outer pipe of the finger-type evaporator, increase the adhesive force of liquid on the outer side wall of the outer pipe of the finger-type evaporator, prevent dripping and have better evaporation effect.

Preferably, the inner surface of the cooler is made by polishing or polishing silver plating. The inner surface of the cooler is processed by polishing or silver plating technology after polishing, so that the heat radiation of the finger type evaporator can be reflected, and the heat loss is reduced.

Preferably, the outer pipe of the finger type evaporator is circumferentially provided with a surrounding baffle fixed on the blind flange, and the volatile matter outlet and the finished product outlet are respectively arranged at two sides of the surrounding baffle. The enclosure can be made of stainless steel band materials and is used for isolating volatile matters and finished silicone oil, so that the two components respectively flow out of corresponding outlets to the receiving tank. Because the device is mainly used for collecting the silicone oil, the finished product outlet is arranged at one side of the enclosure close to the outer tube of the finger-type evaporator, and the volatile matter outlet is arranged at one side back to the outer tube of the finger-type evaporator.

Preferably, the top of the finger-type evaporator is provided with a material collecting disc, and the outer wall of the material collecting disc is provided with distribution holes for drainage. The preheated liquid flows out through the distribution holes on the material collecting disc and then flows downwards along the flow guide grains on the outer side wall of the outer tube of the finger-type evaporator, and a uniformly descending liquid film is formed under the action of self gravity.

The device is not limited to evaporation equipment of silicone oil, and can also be applied to the fields of refining of medical intermediates, plant extraction, edible oil decoloration and deodorization, and other liquid polymer reduction.

Compared with the prior art, the beneficial effects of the utility model are that: by intensive assembly of the evaporation module and the condensation module, a short-path distillation effect with a high evaporation area and a compact structure can be obtained; the finger-type evaporator is provided with the flow guide lines for increasing the heat transfer area, so that the evaporation effect of the finger-type evaporator is improved, the adhesive force of liquid on the metal outer wall of the finger-type evaporator is increased, and the liquid is prevented from dripping.

Drawings

Fig. 1 is a schematic structural view of a middle finger type evaporator according to the present invention;

FIG. 2 is a schematic view showing an internal structure of a type evaporator;

in the figure: the device comprises an outer pipe 1, a blind flange 2, a volatile matter outlet 3, a finished product outlet 4, an inner pipe 5, an oil outlet 6, a surrounding baffle 7 and a material collecting disc 8.

Detailed Description

The invention will be described in further detail with reference to the following detailed description and accompanying drawings:

as shown in figures 1 and 2, the silicone oil low molecular weight remover comprises a condensation module, an evaporation module, a flow guide component, a disturbance component and a sealing component, the condensing module comprises a plurality of vertically arranged tubular coolers, the upper ends of the coolers are provided with first flanges connected with a silicone oil feeding pipe, a thermocouple and a vacuum pressure gauge, the lower ends of the coolers are provided with second flanges connected with the flanges at the bottom of the finger-type evaporator, the evaporation module comprises a plurality of finger-type evaporators which are in one-to-one correspondence with the coolers and are embedded in the coolers, gaps exist between the outer side walls of outer tubes 1 (the nominal diameter of the outer tubes is 50-5000 mm, and 200mm is taken in the scheme) of the finger-type evaporators and the inner side walls of the coolers, blind flanges 2 connected with the coolers are arranged at the bottoms of the finger-type evaporators 1, and volatile matter outlets 3 and finished product outlets 4 which are arranged on the outer sides of the outer surfaces of the finger-type evaporators are formed in the blind flanges 2. An inner pipe 5 (the diameter of the inner pipe is between 30mm and 4800mm, and the diameter is 120 mm) arranged inside an outer pipe 1 is arranged on a blind flange 2 of the finger-type evaporator, an oil inlet (not shown in the figure) communicated with the bottom of the inner pipe 5 is arranged in the center of the blind flange 2, an oil outlet 6 positioned between the inner pipe 5 and the outer pipe 1 is arranged on the blind flange 2, and a heating medium pipeline (not shown in the figure) is arranged between the top of the inner pipe and the oil outlet. The outer side wall of the outer tube of the finger-type evaporator is provided with a flow guide line. The inner surface of the cooler is manufactured by a method of polishing and then plating silver. The finger type evaporator outer pipe circumference outside is equipped with and fixes enclosing fender 7 on the blind flange (enclose fender height between 0.7mm-2mm, get 1mm in this scheme), and volatile export 3 and finished product export 4 are arranged respectively in the both sides of enclosing the fender. The top of the finger-type evaporator is provided with a material collecting disc 8, and the outer wall of the material collecting disc is provided with distribution holes for drainage (the aperture of the distribution holes is controlled to be 0.01mm-5mm, and the diameter of the distribution holes is 1mm in the case).

The finger-type evaporator is heated through a heating medium pipeline, liquid flows to a finished product outlet below along the flow guide lines on the outer side wall of the outer pipe of the heated finger-type evaporator, and finished silicone oil can be obtained from the finished product outlet. The other impurities (such as volatile matters and the like) except the silicon oil can flow to the volatile matter outlet along the inner side wall of the cooler, and the volatile matters can be guided into the volatile matter receiving tank through the guide pipe.

Claims (7)

1. The utility model provides a low molecule ware is taken off to silicone oil, its characterized in that, includes condensation module, evaporation module, water conservancy diversion part, disturbance part and sealing member, condensation module includes a plurality of vertical shell and tube coolers of arranging, evaporation module includes a plurality ofly and the cooler one-to-one and inlays the type evaporator that indicates of establishing in the cooler, has the clearance between the outer tube lateral wall of type evaporator and the cooler inside wall, indicates that type evaporator bottom is equipped with the blind flange of being connected with the cooler, is equipped with on the blind flange and arranges volatile export and the finished product export in the type evaporator surface outside.

2. The silicone oil low molecular weight removal device as claimed in claim 1, wherein a first flange connected to the silicone oil supply pipe, the thermocouple and the vacuum pressure gauge is provided at an upper end of the cooler, and a second flange connected to a flange at a bottom of the finger type evaporator is provided at a lower end of the cooler.

3. The silicone oil low molecular weight removal device according to claim 1, wherein an inner tube disposed inside the outer tube is disposed on a blind flange of the finger-type evaporator, an oil inlet communicated with a bottom of the inner tube is disposed at a center of the blind flange, and an oil outlet disposed between the inner tube and the outer tube is disposed on the blind flange.

4. The silicone oil low molecular weight remover according to claim 1, wherein the outer side wall of the outer tube of the finger type evaporator is provided with flow guide lines.

5. The silicone oil low molecular weight remover according to claim 1, wherein the inner surface of the cooler is made by polishing or polishing silver plating.

6. The silicone oil low molecular weight remover according to claim 1, wherein the outer tube of the finger type evaporator is provided with a surrounding barrier fixed on a blind flange at the circumferential outer side, and the volatile matter outlet and the finished product outlet are respectively arranged at two sides of the surrounding barrier.

7. The silicone oil low molecular weight remover according to claim 4, wherein a material collecting tray is arranged at the top of the finger-type evaporator, and distribution holes for drainage are arranged on the outer wall of the material collecting tray.

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