Barreled methanol discharge sealing device for liquid polycarbosilane production

Abstract

The utility model discloses a barreled methanol discharge sealing device for liquid polycarbosilane production, which comprises a methanol barrel and an anti-explosion infusion pump connected with the methanol barrel, a material pumping pipe of the anti-explosion infusion pump extends into the methanol barrel and is connected with the methanol barrel through a material pumping pipe sealing device, and the material pumping pipe is connected with the methanol barrel through a material pumping pipe sealing device. The material pumping pipe sealing device comprises a stuffing box, a stuffing gland and PTEF combined stuffing, the stuffing box is connected with the liquid pumping opening of the methanol barrel, a polytetrafluoroethylene gasket is arranged between the stuffing box and the liquid pumping opening of the methanol barrel, and after the PTEF combined stuffing is embedded into the stuffing box, the stuffing gland and the stuffing box are in fastening connection through a fastener. After the technical scheme is adopted, according to the barreled methanol discharging and sealing device for producing the liquid polycarbosilane, the pumping pipe sealing device is designed, so that the gas sealing performance is guaranteed, and leakage is avoided.

Description

Technical Field

[0001] This utility model relates to the field of processing technology for liquid polycarbosilane, and in particular to a sealing device for discharging barrelled methanol in the production of liquid polycarbosilane. Background Technology

[0002] In the existing methanolization process of liquid polycarbosilane production, an explosion-proof pump is used to draw methanol from a methanol tank into a metering tank. During this pumping process, because the explosion-proof pump is inserted directly from the pumping port and the lid of the methanol tank has no sealing structure, methanol gas will be released, which will affect the environment and cause physical and mental health and safety hazards to employees. Utility Model Content

[0003] The purpose of this invention is to provide a sealing device for discharging methanol from barrels used in the production of liquid polycarbosilane, so as to solve the problems mentioned in the background art.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a barreled methanol discharge sealing device for the production of liquid polycarbonylsilane, including a methanol barrel and an explosion-proof pump connected to the methanol barrel. The pump's suction pipe extends into the methanol barrel, and the suction pipe is connected to the methanol barrel through a suction pipe sealing device. The suction pipe sealing device includes a stuffing box, a stuffing gland, and a PTFE combined packing. The stuffing box is connected to the liquid outlet of the methanol barrel, and a PTFE gasket is provided between the two. When the PTFE combined packing is embedded in the stuffing box, the stuffing gland and the stuffing box are fastened together by fasteners.

[0005] Preferably, the explosion-proof pump is provided with a discharge pipe on the side away from the methanol tank, and a first metering tank valve connected to the metering tank is provided on the other side of the discharge pipe.

[0006] Preferably, the fastener is a fastening bolt, the packing gland has an opening, and the packing gland has an internal threaded hole for threaded connection of the fastening bolt.

[0007] Preferably, the extraction port is located on the lid of the methanol tank.

[0008] Preferably, the methanol barrel is connected to a balance pipe that is connected to a metering tank.

[0009] Preferably, the methanol tank lid has a vent hole, and the balance pipe is connected to the vent hole via a connecting device.

[0010] Preferably, the connecting device includes an external threaded connector connected to the vent hole and a first quick-connect tracheal tube connected to the external threaded connector via a ball valve.

[0011] Preferably, the balance pipe is a PU hose.

[0012] Preferably, a second gas pipe quick connector and a second metering tank valve are arranged on the other side of the balance pipe and connected with the metering tank.

[0013] From the above description of the structure of the utility model, compared with the prior art, the utility model has the following advantages:

[0014] 1. The barrel methanol discharge sealing device for liquid polycarbosilane production is provided with a pumping pipe sealing device, so that the gas sealing property is guaranteed, and external leakage is avoided.

[0015] 2. The barrel methanol discharge sealing device for liquid polycarbosilane production is provided with a balance pipe which is quickly connected and disassembled, so that the gas phase balance during pumping is guaranteed, and the gas is prevented from being emitted out under the condition of opening, which affects the working environment, operation safety, and the physical and mental health of employees, and under the condition of not opening, the possibility of pumping out is avoided when the material barrel presents negative pressure with the liquid level of pumping down. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application, and are incorporated herein for purposes of illustration. The embodiments of the application, and the specification, are exemplary embodiments of the application and are not intended to limit the application of the application in any way. In the drawings:

[0017] Figure 1 Fig. 1 is a structural schematic view of the barrel methanol discharge sealing device for liquid polycarbosilane production of the utility model;

[0018] Figure 2 Fig. 2 is a structural schematic view of the pumping pipe sealing device of the barrel methanol discharge sealing device for liquid polycarbosilane production of the utility model;

[0019] Figure 3 Fig. 3 is a top view of the packing gland of the barrel methanol discharge sealing device for liquid polycarbosilane production of the utility model;

[0020] Figure 4 Fig. 4 is a top view of the packing gland of the barrel methanol discharge sealing device for liquid polycarbosilane production of the utility model. DETAILED DESCRIPTION

[0021] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0022] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "internal", "external" and so on indicate the orientation or positional relation based on the orientation or positional relation shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore can not be understood as the restriction of the utility model. In addition, the term "first", "second" and so on are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and so on can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0023] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0024] The utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0025] Embodiment

[0026] As Figure 1 , Figure 2 , Figure 3 And Figure 4As shown in the drawings, a kind of methanol barrel discharge sealing device for liquid polycarbosilane production includes methanol barrel 3, the explosion-proof liquid pump 4 connected with methanol barrel 3, the material pipe 41 of explosion-proof liquid pump 4 is inserted into methanol barrel 3, and the material pipe 41 is connected with methanol barrel 3 by material pipe sealing device 2, material pipe sealing device includes packing gland 22 and PTEF combination packing 23, packing gland 22 is the packing gland of 304 material, packing gland 24 is connected with the liquid extraction port 20 of methanol barrel 3 and is provided with four fluorine gasket 25 between the two, when PTEF combination packing 23 is embedded into packing gland 24, packing gland 22 is fastened between packing gland 24 by fastener;Explosion-proof liquid pump 4 is provided with discharge pipe 5 on the side away from methanol barrel 3, the other side of discharge pipe 5 is provided with the first metering tank valve 51 connected with metering tank;Fastener is fastening bolt 21, and opening is formed on packing gland 22, and internal thread hole for fastening bolt 21 is formed on packing gland 24;Liquid extraction port 20 is arranged on the barrel cover of methanol barrel 3.By the design of material pipe sealing device, the gas tightness is guaranteed, and external leakage is avoided.

[0027] As shown in the drawings, Figure 1 、 Figure 2 、 Figure 3 And Figure 4 Methanol barrel 3 is connected with balance pipe 14 connected with metering tank;Gas permeation hole 10 is formed on the barrel cover of methanol barrel 3, and balance pipe 14 is connected with gas permeation hole 10 by connecting device;Connecting device includes outer tooth joint 11 connected with gas permeation hole 10, first gas pipe quick connector 13 connected between outer tooth joint 11 and ball valve 12;Balance pipe 14 is PU hose;The other side of balance pipe 14 is provided with second gas pipe quick connector 15 and second metering tank valve 16 connected with metering tank.By adding balance pipe of quick connection disassembly and assembly, the gas phase balance during liquid extraction is guaranteed, the gas is prevented from being emitted out under opening condition, and the harm such as influence on working environment, operation safety and employee's physical and mental health is avoided, and there is possibility of deflation when material barrel presents negative pressure with liquid level falling without opening.

[0028] The above only describes preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A sealed device for the discharge of liquid anhydrous methanol produced in a tank for liquid polycarbosilane, comprising a tank for methanol, a pump for the extraction of the methanol connected to the tank, characterized in that: The material suction pipe of the explosion-proof liquid suction pump extends into the methanol tank, and the material suction pipe and the methanol tank are connected through a material suction pipe sealing device, the material suction pipe sealing device comprises a packing gland, a packing gland cover and a PTEF combined packing, the packing gland is connected with a liquid suction port of the methanol tank, and a fluorine pad is arranged between the packing gland and the liquid suction port, when the PTEF combined packing is embedded into the packing gland, the packing gland cover is fastened and connected with the packing gland through a fastener.

2. A sealed pressurized tank of methanol for use in the production of liquid polycarbosilane according to claim 1, characterized in that: The explosion-proof liquid suction pump is provided with a material outlet pipe on the side away from the methanol tank, and the other side of the material outlet pipe is provided with a first metering tank valve connected with a metering tank.

3. A sealed anhydrous methanol discharge for liquid polycarbosilane production in a bucket, according to claim 1, characterized in that: The fastener is a fastening bolt, the packing gland cover is provided with an opening, and the packing gland is provided with an internal thread hole for screwing the fastening bolt.

4. A sealed pressurized tank of methanol for use in the production of liquid polycarbosilane according to claim 1, characterized in that: The liquid suction port is arranged on a tank cover of the methanol tank.

5. A sealed pressurized tank of methanol for use in the production of liquid polycarbosilane according to claim 1, characterized in that: The methanol tank is connected with a balance pipe connected with the metering tank.

6. A sealed pressurized tank of methanol for use in the production of liquid polycarbosilane according to claim 5, characterized in that: The tank cover of the methanol tank is provided with a gas permeation hole, and the balance pipe and the gas permeation hole are connected through a connecting device.

7. A sealed pressurized tank of methanol for use in the production of liquid polycarbosilane according to claim 6, characterized in that: The connecting device comprises an external tooth connector connected with the gas permeation hole, and a first gas pipe quick connector connected with the external tooth connector through a ball valve.

8. A sealed pressurized tank of methanol for use in the production of liquid polycarbosilane according to claim 5, characterized in that: The balance pipe is a PU hose.

9. A sealed pressurized tank of methanol for use in the production of liquid polycarbosilane according to claim 5, characterized in that: The other side of the balance pipe is provided with a second gas pipe quick connector and a second metering tank valve connected with the metering tank.

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