Rectification device for preparing methyl vinyl cyclotetrasiloxane
By designing a distillation device with a dual distillation structure and a circulating cooling structure including a primary treatment tank, a post treatment tank, a transmission tank and a main condensation box, the problem of impurities and poor condensation effect in the preparation of traditional methylvinyl cyclotetrasiloxane is solved, and efficient purification and cooling of materials are achieved.
Patent Information
- Application Number
- CN202421181245.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-05-28
AI Technical Summary
During the preparation of traditional methylvinyl cyclotetrasiloxane, a single distillation operation results in impurities in the material, which cannot achieve the distillation effect. The condensation effect of the single external condensation structure is poor, affecting cooling use.
A distillation device including a primary treatment tank, a post treatment tank, a transmission tank and a main condensation tank are designed. The device is initially condensed and liquefied through the guide pipe and the condensing mesh plate of the transmission box, and then is efficiently cooled and liquefied through the main condensing box and the spiral tube, and finally the purified material is collected in the collection box.
The double distillation and efficient condensation of the material are achieved, which significantly improves the purity and cooling effect of the material, and solves the problems of impurities and poor condensation effect in traditional methods.
Smart Images
Figure CN222566819U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of methylvinylcyclotetrasiloxane, in particular to a rectification device for preparing methylvinylcyclotetrasiloxane. Background Art
[0002] Tetramethyltetravinylcyclotetrasiloxane is a chemical substance with the appearance of colorless transparent liquid. It is mainly used as an additive (intermediate) in the production process of high vinyl silicone oil, addition silicone rubber, liquid silicone, high vinyl silicone rubber, vinyl hydroxy silicone oil, etc. It is also one of the basic raw materials for synthesizing various silicone rubbers.
[0003] The conventional method for preparing methylvinylcyclotetrasiloxane is to directly perform a single distillation operation, so that the distilled material still contains impurities, which makes it impossible to form a distillation effect. In addition, the condensation effect is poor under a single external condensation structure, which affects the cooling use. Utility Model Content
[0004] The utility model aims to provide a distillation device for preparing methylvinylcyclotetrasiloxane, so as to solve the problem raised in the above background technology that, when preparing methylvinylcyclotetrasiloxane, the conventional method is to directly perform a single distillation operation, so that the distilled material still has impurities, making it impossible to form a distillation effect, and the single external condensation structure makes the condensation effect poor, which affects the cooling use.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A distillation device for preparing methylvinylcyclotetrasiloxane comprises a supporting bottom plate, the bottom surface of the supporting bottom plate is evenly threadedly fixedly connected with a bottom pad, the top surface of the supporting bottom plate is vertically fixedly provided with a primary treatment tank, the outer side of the primary treatment tank is horizontally fixedly provided with a feed valve, the top surface of the supporting bottom plate is fixedly provided with a post-treatment tank, the outer sides of the post-treatment tank and the primary treatment tank are fixedly connected with a control panel, the outer sides of the post-treatment tank and the primary treatment tank are fixedly provided with a discharge valve, the bottom end of the primary treatment tank is welded with a guide pipe, the outer side of the post-treatment tank is horizontally fixedly provided with a transmission middle box, the top surface of the supporting bottom plate is fixedly provided with a main condensing box, and the main condensing box A main connecting pipe is fixedly connected to the top surface, a discharge valve body is fixedly arranged on the side of the main condensing box, a heating base is fixedly arranged horizontally on the inner bottom surfaces of the post-processing tank and the primary processing tank, an auxiliary inner layer is fixedly arranged on the inner sides of the post-processing tank and the primary processing tank, a processing box is horizontally arranged on the top surface of the heating base, a condensing mesh is fixedly arranged horizontally on the inner side of the transmission middle box, a transmission pump body is fixedly arranged on the inner bottom surface of the transmission middle box, a thermal insulation inner layer is fixedly arranged on the inner side of the main condensing box, circulating pipes are symmetrically connected to the two sides of the main condensing box, a spiral pipe is vertically arranged on the inner side of the main condensing box, and a collecting box body is fixedly arranged horizontally on the inner bottom surface of the main condensing box.
[0007] As a preferred embodiment of the utility model: there are four bottom pads, and the top surface screws of the four bottom pads are all threadedly fixedly connected to the bottom surface of the supporting base plate near the four corner screw holes, and the initial treatment tank is vertically fixed on the top surface of the supporting base plate near one end of the center line.
[0008] As a preferred embodiment of the present utility model: the feed valve is fixedly arranged on the outside of the primary treatment tank near the top end, the post-treatment tank is fixedly arranged on the top surface centerline of the supporting bottom plate at one end away from the primary treatment tank, and the post-treatment tank and the primary treatment tank are arranged parallel to each other, and the discharge valve is fixedly arranged on the outside of the post-treatment tank and the primary treatment tank near the bottom end.
[0009] As a preferred embodiment of the utility model: one end of the guide pipe is fixedly arranged at the top open end of the primary treatment tank to maintain communication, the other end of the guide pipe is maintained in communication with the interior of the transmission middle box, the transmission middle box is horizontally fixedly arranged at the top position of the side between the post-treatment tank and the primary treatment tank, and the main condensation tank is fixedly arranged at the side position close to the post-treatment tank.
[0010] As a preferred embodiment of the utility model: one end of the main connecting pipe is connected to the top opening end of the spiral tube, and the top end is fixedly connected to the top opening end of the post-processing tank, and one end of the discharge valve body extends to the inside of the collection box body and remains connected.
[0011] As a preferred embodiment of the utility model: the condensation mesh plate is horizontally fixedly arranged on the inner side of the transmission box near the top surface, the output end of the transmission pump body horizontally penetrates the side wall of the post-processing tank and extends to the interior, and is connected with the interior of the post-processing tank, the spiral tube is spirally arranged on the inner side of the main condensation box, and the bottom end is connected with the interior of the collection box.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The utility model sets the material pipeline end in fixed connection at one end of the feed valve in advance, and after the control panel is set, the feed valve is opened and operated, so that the material enters the interior of the primary treatment tank, and after the internal heating bottom plate is heated, the internal material collected in the treatment box is heated and distilled, the steam after distillation is transmitted upward through the guide pipe to the interior of the transmission box, the internal condensation mesh plate can cool and liquefy the steam, and the liquefied material is extracted by the internal transmission pump body, so that the material enters the interior of the post-treatment tank, and under the control of the control panel, a specific stability can be set to distill the material again, the steam after distillation is guided to enter the interior of the main condensation box through the main connecting pipe, and after the steam is transmitted to the interior of the spiral tube, cooling water is input into the interior of the main condensation box through the external circulation pipe, so that the internal steam of the spiral tube is efficiently cooled and liquefied, the liquefied material enters the interior of the collection box body for collection, and can finally be discharged and collected by opening the discharge valve body, and the double distillation structure is adopted to make the processing more delicate, and at the same time, the liquefaction is more efficient and comprehensive under the circulation cooling structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:
[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of a distillation device for preparing methylvinylcyclotetrasiloxane;
[0016] Figure 2 It is a structural schematic diagram of the front view cross-sectional connection details of a support bottom plate of a distillation device for preparing methylvinylcyclotetrasiloxane;
[0017] Figure 3 It is a structural schematic diagram of the front view and cross-sectional connection details of a primary treatment tank of a distillation device for preparing methylvinylcyclotetrasiloxane;
[0018] Figure 4 It is a structural schematic diagram of the front view cross-section connection details of a transmission mid-box of a distillation device for preparing methylvinylcyclotetrasiloxane;
[0019] Figure 5 The present invention is a structural schematic diagram showing the front view and cross-sectional connection details of a main condenser of a distillation device for preparing methylvinylcyclotetrasiloxane.
[0020] In the figure: 1. Support bottom plate; 2. Bottom pad; 3. Primary treatment tank; 4. Feed valve; 5. Post-treatment tank; 6. Control panel; 7. Discharge valve; 8. Guide pipe; 9. Transmission middle box; 10. Main condensation box; 11. Main connecting pipe; 12. Discharge valve body; 13. Heating bottom plate; 14. Auxiliary inner layer; 15. Processing box; 16. Condensation mesh plate; 17. Transmission pump body; 18. Insulation inner layer; 19. Circulation pipe; 20. Spiral pipe; 21. Collection box body. DETAILED DESCRIPTION
[0021] See also Figure 1-2 In an embodiment of the utility model, a distillation device for preparing methylvinylcyclotetrasiloxane comprises a supporting bottom plate 1, a bottom pad 2 is evenly threadedly fixedly connected to the bottom surface of the supporting bottom plate 1, a primary treatment tank 3 is vertically fixedly arranged on the top surface of the supporting bottom plate 1, the number of the bottom pads 2 is four, and the top surface screws of the four bottom pads 2 are all threadedly fixedly connected and arranged on the bottom surface of the supporting bottom plate 1 near the four corner screw holes, the primary treatment tank 3 is vertically fixedly arranged at a position near one end of the center line of the top surface of the supporting bottom plate 1, a feed valve 4 is horizontally fixedly arranged on the outer side of the primary treatment tank 3, a post-treatment tank 5 is fixedly arranged on the top surface of the supporting bottom plate 1, a control panel 6 is fixedly clamped between the post-treatment tank 5 and the outer side of the primary treatment tank 3, a discharge valve 7 is fixedly arranged between the post-treatment tank 5 and the outer side of the primary treatment tank 3, the feed valve 4 is fixedly arranged on the outer side of the primary treatment tank 3 near the top position, the post-treatment tank 5 is fixedly arranged at one end of the center line of the top surface of the supporting bottom plate 1 away from the primary treatment tank 3, and the post-treatment tank 5 and the The primary treatment tanks 3 are arranged in parallel with each other, the discharge valve 7 is fixedly arranged on the outer side of the post-treatment tank 5 and the primary treatment tank 3 near the bottom end, a guide pipe 8 is welded at the bottom end of the primary treatment tank 3, a transmission middle box 9 is horizontally fixedly arranged on the outer side of the post-treatment tank 5, a main condensation box 10 is fixedly arranged on the top surface of the supporting bottom plate 1, one end of the guide pipe 8 is fixedly arranged on the top opening end of the primary treatment tank 3 to maintain communication, and the other end of the guide pipe 8 is maintained in communication with the inside of the transmission middle box 9, the transmission middle box 9 is horizontally fixedly arranged at the top position of the side between the post-treatment tank 5 and the primary treatment tank 3, the main condensation box 10 is fixedly arranged at the side position close to the post-treatment tank 5, a main connecting pipe 11 is fixedly inserted on the top surface of the main condensation box 10, a discharge valve body 12 is fixedly arranged on the side of the main condensation box 10, one end of the main connecting pipe 11 is maintained in communication with the top opening end of the spiral tube 20, and the top end is fixedly connected to the top opening end of the post-treatment tank 5, and one end of the discharge valve body 12 extends to the inside of the collection box body 21 to maintain communication;
[0022] See also Figure 3-5In the embodiment of the utility model, a distillation device for preparing methylvinylcyclotetrasiloxane is provided, wherein a heating bottom plate 13 is fixedly provided horizontally on the inner bottom surface of the post-processing tank 5 and the primary processing tank 3, an auxiliary inner layer 14 is fixedly provided on the inner side edge of the post-processing tank 5 and the primary processing tank 3, a processing box 15 is horizontally provided on the top surface of the heating bottom plate 13, a condensing mesh plate 16 is fixedly provided horizontally on the inner side edge of the transmission middle box 9, a transmission pump body 17 is fixedly provided on the inner bottom surface of the transmission middle box 9, a heat preservation inner layer 18 is fixedly provided on the inner side edge of the main condensing box 10, and the main condensing box Circulation pipes 19 are symmetrically inserted on both sides of 10, a spiral tube 20 is vertically arranged on the inner side of the main condensing box 10, a collecting box body 21 is horizontally fixedly arranged on the inner bottom surface of the main condensing box 10, the condensing mesh plate 16 is horizontally fixedly arranged on the inner side of the transmission box 9 near the top surface, the output end of the transmission pump body 17 horizontally penetrates the side wall of the post-processing tank 5 and extends to the inside, and is connected with the inside of the post-processing tank 5, the spiral tube 20 is spirally arranged on the inner side of the main condensing box 10, and the bottom end is connected with the inside of the collecting box body 21.
[0023] The working principle of the utility model is:
[0024] The material pipeline end is first fixedly connected and set at one end of the feed valve 4. After the control panel 6 is set, the feed valve 4 is opened and operated, so that the material enters the interior of the primary treatment tank 3. After the internal heating bottom plate 13 is heated, the internal material collected in the treatment box 15 is heated and distilled. The distilled steam is transmitted upward through the guide pipe 8 to the interior of the transmission box 9. The internal condensation mesh plate 16 can cool and liquefy the steam. The liquefied material is extracted through the internal transmission pump body 17, so that the material enters the interior of the post-treatment tank 5. Under the control of the control panel 6, a specific stability can be set to distill the material again. The distilled steam is guided to enter the interior of the main condensation box 10 through the main connecting pipe 11. After the steam is transmitted to the interior of the spiral tube 20, the cooling water is input into the interior of the main condensation box 10 through the external circulation pipe 19, so that the internal steam of the spiral tube 20 is efficiently cooled and liquefied. The liquefied material enters the interior of the collection box 21 for collection, and finally can be opened by the discharge valve body 12 to be discharged and collected outside.
[0025] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A distillation device for preparing methylvinylcyclotetrasiloxane, comprising a supporting bottom plate (1), characterized in that: The bottom surface of the support bottom plate (1) is evenly threadedly fixedly connected with a bottom pad (2); the top surface of the support bottom plate (1) is vertically fixedly provided with a primary treatment tank (3); the outer side of the primary treatment tank (3) is horizontally fixedly provided with a feed valve (4); the top surface of the support bottom plate (1) is fixedly provided with a post-treatment tank (5); the post-treatment tank (5) and the outer side of the primary treatment tank (3) are fixedly connected with a control panel (6); the post-treatment tank (5) and the outer side of the primary treatment tank (3) are fixedly provided with a discharge valve (7); the bottom end of the primary treatment tank (3) is welded with a guide pipe (8); the outer side of the post-treatment tank (5) is horizontally fixedly provided with a transmission middle box (9); the top surface of the support bottom plate (1) is fixedly provided with a main condensation tank (10); the top surface of the main condensation tank (10) is fixedly plugged with a main connecting pipe (11); the main condensation tank (10) ) is fixedly provided with a discharge valve body (12) on the side, a heating bottom plate (13) is fixedly provided horizontally on the inner bottom surface of the post-processing tank (5) and the primary processing tank (3), an auxiliary inner layer (14) is fixedly provided on the inner side edge of the post-processing tank (5) and the primary processing tank (3), a processing box (15) is horizontally provided on the top surface of the heating bottom plate (13), a condensation mesh plate (16) is fixedly provided horizontally on the inner side edge of the transmission middle box (9), a transmission pump body (17) is fixedly provided on the inner bottom surface of the transmission middle box (9), a heat-insulating inner layer (18) is fixedly provided on the inner side edge of the main condensing box (10), circulation pipes (19) are symmetrically inserted on both sides of the main condensing box (10), a spiral pipe (20) is vertically provided on the inner side edge of the main condensing box (10), and a collecting box body (21) is fixedly provided horizontally on the inner bottom surface of the main condensing box (10).
2. A distillation device for preparing methylvinylcyclotetrasiloxane according to claim 1, characterized in that: The number of the bottom pads (2) is four, and the top surface screw rods of the four bottom pads (2) are all threadedly fixedly connected and arranged on the bottom surface of the supporting base plate (1) near the screw holes at the four corners, and the primary treatment tank (3) is vertically fixedly arranged on the top surface of the supporting base plate (1) near the center line of one end.
3. A distillation device for preparing methylvinylcyclotetrasiloxane according to claim 1, characterized in that: The feed valve (4) is fixedly arranged on the outer side of the primary treatment tank (3) near the top end, the post-treatment tank (5) is fixedly arranged on the top surface center line of the supporting bottom plate (1) at one end away from the primary treatment tank (3), and the post-treatment tank (5) and the primary treatment tank (3) are arranged parallel to each other, and the discharge valve (7) is fixedly arranged on the outer side of the post-treatment tank (5) and the primary treatment tank (3) near the bottom end.
4. A distillation device for preparing methylvinylcyclotetrasiloxane according to claim 1, characterized in that: One end of the guide pipe (8) is fixedly arranged at the top open end of the primary treatment tank (3) to maintain communication, and the other end of the guide pipe (8) is maintained in communication with the interior of the transmission middle box (9). The transmission middle box (9) is horizontally fixedly arranged at the top end position of the side between the post-treatment tank (5) and the primary treatment tank (3), and the main condensation tank (10) is fixedly arranged at a side position close to the post-treatment tank (5).
5. A distillation device for preparing methylvinylcyclotetrasiloxane according to claim 1, characterized in that: One end of the main connecting pipe (11) is connected to the top opening end of the spiral pipe (20), and the top end is fixedly connected to the top opening end of the post-processing tank (5), and one end of the discharge valve body (12) extends to the inside of the collection box body (21) and is connected.
6. A distillation device for preparing methylvinylcyclotetrasiloxane according to claim 1, characterized in that: The condensation mesh plate (16) is horizontally fixedly arranged on the inner side of the transmission middle box (9) near the top surface, the output end of the transmission pump body (17) horizontally penetrates the side wall of the post-processing tank (5) and extends to the inside, and is connected to the inside of the post-processing tank (5), and the spiral tube (20) is spirally arranged on the inner side of the main condensation box (10) at the central axis position, and the bottom end is connected to the inside of the collection box body (21).