Continuous production batching device for chloropropyl trichlorosilane

Abstract

The utility model discloses a chloropropyl trichlorosilane continuous production batching device which comprises a batching barrel, feeding components are symmetrically arranged at the input end of the batching barrel, each feeding component comprises a batching pipe, a flow meter is arranged at the input end of each batching pipe, a feeding pipe is arranged at the input end of each flow meter, and a discharging pipe is arranged at the output end of each feeding pipe. First flanges are arranged at the output end and the input end of the flowmeter, second flanges are arranged on the sides of the first flanges, sealing parts are arranged at the connecting positions of the first flanges and the second flanges and comprise moving rods, the moving rods are symmetrically connected to inner cavities of the first flanges in a penetrating and inserting mode, and rubber rings are arranged at one ends of the moving rods. An adjusting bolt is arranged on the side of the first flange; the adjusting bolt is rotated to extrude and push the moving rod, the moving rod extrudes the rubber ring, and the deformed rubber ring fills a gap at the joint of the first flange and the second flange, so that the problems of elasticity reduction and infirm sealing of the rubber ring are avoided, and the problem of leakage at the joint of the flanges of the flowmeter is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of continuous production of chloropropyltrichlorosilane, in particular to a batching device for continuous production of chloropropyltrichlorosilane. Background Art

[0002] Chloropropyltrichlorosilane is mainly used for siliconization reaction and silicon modification in organic synthesis. It can be used as a silane coupling agent to improve the adhesion and weather resistance of organic materials. In industrial continuous production, chloropropyltrichlorosilane is produced by reacting chloropropane with trichlorosilane under appropriate reaction conditions. During the batching process, the raw materials are quantitatively proportioned through a mass flow meter connected by a pipeline. However, the rubber gaskets at the interface flanges at both ends of the mass flow meter are prone to aging, resulting in a loose seal at the interface and leakage of raw materials. In order to solve the sealing problem at the rubber gasket interface flange, a new type of chloropropyltrichlorosilane continuous production batching device is needed. Utility Model Content

[0003] The utility model aims to provide a chloropropyltrichlorosilane continuous production batching device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a chloropropyltrichlorosilane continuous production batching device, comprising a batching barrel, a feeding component symmetrically arranged at the input end of the batching barrel, the feeding component comprising a batching pipe, a flow meter is arranged at the input end of the flow meter, a feeding pipe is arranged at the input end, a first flange is arranged at the output end and the input end of the flow meter, a second flange is arranged at the side of the first flange, a sealing part for preventing raw material leakage is arranged at the connection between the first flange and the second flange, the sealing part comprises a moving rod, the moving rod is symmetrically inserted and connected to the inner cavity of the first flange, a rubber ring is arranged at one end of the moving rod, and an adjusting bolt for pushing the moving rod is arranged at the side of the first flange.

[0005] Preferably, an extrusion groove is provided at the intersection of the moving rod and the first flange, and a pressure plate is fixedly connected to the other end of the moving rod and located inside the extrusion groove. The adjusting bolt is threadedly inserted into the inner cavity of the extrusion groove, and the adjusting bolt is arranged on the side of the pressure plate away from the moving rod.

[0006] Preferably, a compression spring is sleeved on the outside of the other end of the moving rod and inside the extrusion groove, and the compression spring is arranged on a side of the pressure plate close to the moving rod.

[0007] Preferably, one end of the moving rod is fixedly connected to a fixing ring, and the rubber ring is sleeved on the outside of the fixing ring and is located in the inner cavity of the first flange.

[0008] Preferably, a sealing ring is sleeved on the outer side of one end of the moving rod, and the sealing ring is inserted and connected to the inner cavity wall of the first flange.

[0009] Preferably, a fixing bolt is symmetrically threadedly inserted into the side of the first flange, and one end of the fixing bolt is threadedly inserted into the side of the second flange.

[0010] Preferably, the side of the second flange is fixedly connected to the input end of the distribution pipe and the output end of the feed pipe.

[0011] Preferably, both the input end of the distribution pipe and the output end of the feed pipe are provided with maintenance valves.

[0012] Preferably, a cut-off valve is provided at the input end of the batching pipe and located on the side of the maintenance valve away from the flow meter.

[0013] Technical effects and advantages of the utility model:

[0014] The utility model provides a sealing portion at the connection between the first flange and the second flange. The adjusting bolt pushes the moving rod by extrusion, thereby driving the rubber ring at one end of the moving rod to squeeze the second flange. The deformed rubber ring fills the gap at the connection between the first flange and the second flange, thereby avoiding the reduction of elasticity of the rubber ring and loose sealing, thereby solving the problem of leakage at the flange connection of the flow meter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the connection between the first flange and the second flange of the utility model.

[0017] Figure 3 It is a cross-sectional view of the connection between the first flange and the second flange of the utility model.

[0018] Figure 4 For this utility model Figure 3 A magnified view of the structure at center.

[0019] In the figure: 1. batching barrel; 2. batching pipe; 3. second flange; 4. shut-off valve; 5. feed pipe; 6. flow meter; 7. first flange; 701. extrusion groove; 8. adjusting bolt; 9. moving rod; 901. pressure plate; 902. fixing ring; 10. compression spring; 11. sealing ring; 12. rubber ring; 13. fixing bolt; 14. maintenance valve. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The utility model provides Figure 1-4 A chloropropyltrichlorosilane continuous production batching device shown includes a batching barrel 1, a feeding member is symmetrically arranged at the input end of the batching barrel 1, the feeding member includes a batching pipe 2, a flow meter 6 is arranged at the input end of the batching pipe 2, and a feeding pipe 5 is arranged at the input end of the flow meter 6;

[0022] It should be noted that, the two batching pipes 2 connected to the input end of the batching barrel 1, one of which is used to transport allyl chloride and the other is used to transport trichlorosilane. The flowmeter 6 adopts a Coriolis mass flowmeter. Compared with the metal tube rotor flowmeter that measures the volume flow, it reduces the steps of calculating the batching time and material density to determine the quality of the material, and avoids the fluctuation of the volume flow caused by the drop in the liquid level of the raw material storage tank during the batching process, which affects the final raw material ratio. The feed pipe 5 transports the pumped raw materials. The top of the batching barrel 1 is provided with a stirring motor, and the stirring motor drives the stirring blades to stir the well-proportioned raw materials. A discharge pipe is provided at the bottom of the side. The Coriolis mass flowmeter directly measures the mass flow of the material, replaces the metal tube rotor flowmeter to complete the precise proportioning of the material, and realizes remote automatic batching by connecting to the DCS system;

[0023] The output end and the input end of the flow meter 6 are both provided with a first flange 7, the side of the first flange 7 is provided with a second flange 3, and the connection between the first flange 7 and the second flange 3 is provided with a sealing part for preventing leakage of raw materials;

[0024] It should be noted that the flow meter 6 is fixed to the first flange 7 by welding, and the side of the second flange 3 is fixedly connected to the input end of the batching pipe 2 and the output end of the feed pipe 5, and the connection method is welding. The input end of the batching pipe 2 and the output end of the feed pipe 5 are both provided with a maintenance valve 14, which is convenient for replacing the flow meter 6, so that when the flow meter 6 is replaced, the maintenance valve 14 is closed to prevent leakage of raw materials. A cut-off valve 4 is provided at the input end of the batching pipe 2 and on the side of the maintenance valve 14 away from the flow meter 6. The cut-off valve 4, the flow meter 6 and the cut-off valve 4 are connected in parallel with a bypass pipeline. The flow meter 6 and the cut-off valve 4 are interlocked with the flow of the raw material delivery pump. The flow meter 6 can calculate the density of the measured material in real time, and then calculate the mass of the material by measuring the volume flow rate of the unit material. The mass of the material required for accurate proportioning can be obtained by accumulating the mass flow rate. When the accumulated value of the material mass is reached, the transportation of the raw material can be cut off to ensure that the proportioning value is normal. At the same time, the flow meter 6 can also modify the quality of the proportioning at any time to meet the proportioning requirements under different conditions.

[0025] Specifically, the sealing part includes a moving rod 9, which is symmetrically inserted into the inner cavity of the first flange 7, a rubber ring 12 is provided at one end of the moving rod 9, and an adjusting bolt 8 for pushing the moving rod 9 is provided on the side of the first flange 7;

[0026] It should be noted that an extrusion groove 701 is provided at the interlacing portion of the moving rod 9 and the first flange 7, a threaded hole for the adjusting bolt 8 to be inserted is provided on the side of the extrusion groove 701, a fixing ring 902 is fixedly connected to one end of the moving rod 9, a rubber ring 12 is sleeved on the outside of the fixing ring 902 and located in the inner cavity of the first flange 7, and a concave annular groove is provided in the inner cavity of the first flange 7 for placing the rubber ring 12;

[0027] The other end of the moving rod 9 is fixedly connected to a pressing plate 901 located inside the extrusion groove 701, and an adjusting bolt 8 is threadedly inserted and connected to the inner cavity of the extrusion groove 701. The adjusting bolt 8 is arranged on a side of the pressing plate 901 away from the moving rod 9, and a compression spring 10 is sleeved on the outside of the other end of the moving rod 9 and located inside the extrusion groove 701;

[0028] It should be noted that the extrusion groove 701 is a cylindrical groove, the pressure plate 901 is a circular ring, the outer diameter of which is smaller than the diameter of the extrusion groove 701, and the pressure plate 901 is fixed to the moving rod 9 by welding, and the compression spring 10 is arranged on the side of the pressure plate 901 close to the moving rod 9, and the diameter of the compression spring 10 is smaller than the diameter of the pressure plate 901, and a sealing ring 11 is sleeved on the outer side of one end of the moving rod 9, and the sealing ring 11 is inserted and connected to the inner cavity wall of the first flange 7, and the sealing ring 11 prevents the raw material from leaking through the extrusion groove 701;

[0029] Specifically, the user rotates the adjusting bolt 8, and the adjusting bolt 8 pushes the pressing plate 901 to push the moving rod 9, thereby driving the fixing ring 902 to squeeze the rubber ring 12;

[0030] The side of the first flange 7 is symmetrically threadedly inserted with a fixing bolt 13, one end of the fixing bolt 13 is threadedly inserted and connected to the side of the second flange 3, the side of the first flange 7 is provided with a threaded hole for the fixing bolt 13 to be inserted, and the side of the second flange 3 is provided with a threaded groove for the fixing bolt 13 to be inserted, and the fixing bolt 13 is used to connect and fix the first flange 7 and the second flange 3.

[0031] In actual use, the adjusting bolt 8 pushes the moving rod 9 through the pressing plate 901, driving the rubber ring 12 at one end of the moving rod 9 to squeeze the second flange 3. The deformed rubber ring 12 fills the gap at the connection between the first flange 7 and the second flange 3, avoiding the elasticity of the rubber ring 12 from decreasing, resulting in loose sealing of the gap and leakage. Thus, the leakage problem at the flange connection of the flow meter 6 is solved.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A batching device for continuous production of chloropropyltrichlorosilane, comprising a batching barrel (1), characterized in that: A feeding component is symmetrically arranged at the input end of the batching barrel (1), and the feeding component comprises a batching pipe (2). A flow meter (6) is arranged at the input end of the batching pipe (2), and a feeding pipe (5) is arranged at the input end of the flow meter (6). A first flange (7) is arranged at the output end and the input end of the flow meter (6). A second flange (3) is arranged on the side of the first flange (7). A sealing part for preventing leakage of raw materials is arranged at the connection between the first flange (7) and the second flange (3). The sealing part comprises a moving rod (9), and the moving rod (9) is symmetrically inserted and connected to the inner cavity of the first flange (7). A rubber ring (12) is arranged at one end of the moving rod (9), and an adjusting bolt (8) for pushing the moving rod (9) is arranged on the side of the first flange (7).

2. A chloropropyltrichlorosilane continuous production batching device according to claim 1, characterized in that: An extrusion groove (701) is provided at the intersection of the moving rod (9) and the first flange (7); a pressure plate (901) is fixedly connected to the other end of the moving rod (9) and located inside the extrusion groove (701); the adjusting bolt (8) is threadedly inserted into the inner cavity of the extrusion groove (701); and the adjusting bolt (8) is arranged on a side of the pressure plate (901) away from the moving rod (9).

3. A chloropropyltrichlorosilane continuous production batching device according to claim 2, characterized in that: A compression spring (10) is sleeved on the outside of the other end of the moving rod (9) and inside the extrusion groove (701); the compression spring (10) is arranged on a side of the pressing plate (901) close to the moving rod (9).

4. A chloropropyltrichlorosilane continuous production batching device according to claim 2, characterized in that: One end of the moving rod (9) is fixedly connected to a fixing ring (902), and the rubber ring (12) is sleeved on the outside of the fixing ring (902) and is located in the inner cavity of the first flange (7).

5. A chloropropyltrichlorosilane continuous production batching device according to claim 4, characterized in that: A sealing ring (11) is sleeved on the outer side of one end of the moving rod (9), and the sealing ring (11) is inserted and connected to the inner cavity wall of the first flange (7).

6. A chloropropyltrichlorosilane continuous production batching device according to claim 1, characterized in that: A fixing bolt (13) is symmetrically threadedly inserted into the side of the first flange (7), and one end of the fixing bolt (13) is threadedly inserted into the side of the second flange (3).

7. A chloropropyltrichlorosilane continuous production batching device according to claim 1, characterized in that: The side of the second flange (3) is fixedly connected to the input end of the material distribution pipe (2) and the output end of the material feeding pipe (5).

8. A chloropropyltrichlorosilane continuous production batching device according to claim 7, characterized in that: The input end of the distribution pipe (2) and the output end of the feed pipe (5) are both provided with maintenance valves (14).

9. A chloropropyltrichlorosilane continuous production batching device according to claim 7, characterized in that: A cut-off valve (4) is provided at the input end of the batching pipe (2) and located on the side of the maintenance valve (14) away from the flow meter (6).

Images