CN213599054U

CN213599054U - JN3018 type series metal Dewar flask

Info

Publication number: CN213599054U
Application number: CN202022574391.1U
Authority: CN
Inventors: 顾雄伟
Original assignee: Wuxi Jinniu Petrochemical Equipment Co ltd
Current assignee: Shaanxi Xinyuanda Gas Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-07-02
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a JN3018 type series metal dewar bottle specifically is the dewar bottle field, including the exit, the below fixed mounting in exit has the outlet valve, the side fixedly connected with tee bend of outlet valve, three-way fixed surface installs low temperature resistant manometer, three-way top fixedly connected with upper cover, the fixed surface of upper cover installs the filling valve, the top fixed mounting of filling valve has the filling opening. Utility model through setting up, O type sealing washer for the device can be inseparable the union together in each subassembly of moving in-process, even make the device under extreme environment, no matter be in the high temperature or the first temperature, can both effectually move down, place the part and drop, and when needing to dismantle, only need pull down the sealing washer can, so both avoided the device to break down suddenly in the operation problem, can solve the device again and at the more troublesome problem of in-process of dismantling.

Description

JN3018 type series metal Dewar flask

Technical Field

The utility model relates to a dewar bottle technical field, more specifically say, the utility model relates to a JN3018 type series metal dewar bottle.

Background

JN3018 type series metal Dewar flask (hereinafter referred to as Dewar flask) is mainly used in fields such as petrochemical industry, aerospace, gas production enterprise, semiconductor enterprise, business, medical treatment, scientific research, and the like, and liquid samples of ultralow temperature gas (also called cryogenic gas, generally liquid gas below-100 ℃) are collected from storage tanks, and the Dewar flask is originally invented, designed and manufactured analysis and detection equipment aiming at technical problems encountered when a large-volume gas liquid sample is collected in an actual (experimental) laboratory of our company.

And when the real (experimental) laboratory before carries out the sample of adopting of big volume at low temperature liquid gas, adopt open thermos cup or low temperature jar all the time, the thermos cup is the sample when adopting the sample and is contacted with the air, and the data detected is unreal, and the low temperature jar volume is too big again, and these two kinds can not be directly connected with analytical instrument moreover.

In addition, the dewar in the current market is made of materials, so that the dewar is likely to be damaged or burst accidentally when the dewar works and runs, and the potential safety hazard of product use is increased to a great extent.

There is therefore a need to provide a dewar that is effective, safe and efficient in use to an upper limit.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a JN type series metal dewar bottle, adopt stainless steel material through setting up whole parts, at first with sample source and dewar bottle closed connection, flow through the sample to the dewar bottle inner bag, make dewar bottle inner bag internal temperature the same with the sample source, then through valve control, sample temperature, pressure and sample source that the adoption stayed in the dewar bottle inner bag are the same, obtain required real analysis and detection and use liquid gas, the problem of the easy emergence incident of safety when having both avoided the material to use, the unreal problem of liquid ware data for the detection has been solved again, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a JN type series metal Dewar flask, which comprises an outlet, an outlet valve is fixedly arranged below the outlet, the side surface of the outlet valve is fixedly connected with a tee joint, the surface of the tee joint is fixedly provided with a low temperature resistant pressure gauge, the top of the tee joint is fixedly connected with an upper cover, the surface of the upper cover is fixedly provided with an injection valve, the top of the injection valve is fixedly provided with an injection opening, the top of the upper cover is fixedly provided with an exhaust valve, the top of the exhaust valve is fixedly provided with an exhaust port, the bottom of the upper cover is fixedly provided with a heat insulation sleeve, the interior of the heat-insulating sleeve is fixedly provided with a connecting pipe, the inner side of the heat-insulating sleeve is provided with a vacuum layer, an inner container layer is fixedly arranged on the inner side of the vacuum layer, an inner container is arranged on the inner side of the inner container layer, the surface of the heat insulation sleeve is fixedly provided with a handle, and the surface of the upper cover is fixedly provided with an O-shaped sealing ring.

In a preferred embodiment, a valve connecting port is fixedly connected to the bottom of the outlet valve, and two rotating rods are fixedly connected to the bottom of the valve connecting port, and are fixedly mounted inside the upper cover.

In a preferred embodiment, a pressure rod is fixedly installed inside the inner container layer, the top of the pressure rod is slidably connected with the surface of the rotating rod, a material conveying pipeline is fixedly installed inside the inner container layer, and a vacuum press is fixedly connected to the top of the material conveying pipeline.

In a preferred embodiment, the inside of the upper cover is fixedly provided with the top of a pressure rod, the inside of the upper cover is fixedly provided with the top of a material conveying pipeline, the inside of the upper cover is fixedly provided with a vacuum press, and the number of the pressure rods is two.

In a preferred embodiment, the top of the connecting pipe is fixedly connected with the surface of the upper cover, and the surface of the insulating sleeve is provided with two handles.

In a preferred embodiment, the number of the O-ring is plural, the O-ring is fixedly installed on the surface of the upper cover, and the O-ring is fixedly installed on the surface of the thermal insulation sleeve.

In a preferred embodiment, the bottom of the low temperature resistant pressure gauge is fixedly connected with the top of the tee joint, the bottom of the injection port is fixedly connected with the top of the injection valve, and the connecting pipe is a waterproof material member.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up all parts and adopt stainless steel material, at first with sample source and dewar bottle closed connection, flow through to the dewar bottle inner bag through the sample, make the temperature in the dewar bottle inner bag the same with the sample source, then through valve control, make the sample temperature, pressure that adopt to stay in the dewar bottle inner bag the same with the sample source, obtain the required true liquid gas for analysis and detection, both avoided the material to easily take place the problem of safe accident when using, solved the problem that the liquid ware data for detection is unreal again;

2. utility model through setting up, O type sealing washer for the device can be inseparable the union together in each subassembly of moving in-process, even make the device under extreme environment, no matter be in the high temperature or the first temperature, can both effectually move down, place the part and drop, and when needing to dismantle, only need pull down the sealing washer can, so both avoided the device to break down suddenly in the operation problem, can solve the device again and at the more troublesome problem of in-process of dismantling.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the internal structure of the upper cover of the present invention.

Fig. 3 is a schematic view of the internal structure of the inner container of the present invention.

Fig. 4 is a schematic view of the internal structure of the vacuum press according to the present invention.

The reference signs are: 1. an outlet; 2. an outlet valve; 3. a tee joint; 4. a low temperature resistant pressure gauge; 5. an injection port; 6. an injection valve; 7. an upper cover; 8. an exhaust port; 9. an exhaust valve; 10. a thermal insulation sleeve; 11. taking over a pipe; 12. an inner container layer; 13. an inner container; 14. a vacuum layer; 15. an O-shaped sealing ring; 16. a grip; 17. a valve connecting port; 18. rotating the rod; 19. a pressure lever; 20. a material conveying pipeline; 21. and (4) a vacuum press.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The JN3018 type series metal Dewar flask as shown in the attached drawings 1-4 comprises an outlet 1, an outlet valve 2 is fixedly arranged below the outlet 1, a tee joint 3 is fixedly connected to the side surface of the outlet valve 2, a low temperature resistant pressure gauge 4 is fixedly arranged on the surface of the tee joint 3, an upper cover 7 is fixedly connected to the top of the tee joint 3, an injection valve 6 is fixedly arranged on the surface of the upper cover 7, an injection port 5 is fixedly arranged on the top of the injection valve 6, an exhaust valve 9 is fixedly arranged on the top of the upper cover 7, an exhaust port 8 is fixedly arranged on the top of the exhaust valve 9, a heat insulation sleeve 10 is fixedly arranged at the bottom of the upper cover 7, a connecting pipe 11 is fixedly arranged inside the heat insulation sleeve 10, a vacuum layer 14 is arranged on the inner side of the vacuum layer 14, an inner container layer 12 is fixedly arranged on the inner side of the inner container layer 12, an, an O-shaped sealing ring 15 is fixedly arranged on the surface of the upper cover 7, a valve connecting port 17 is fixedly connected at the bottom of the outlet valve 2, rotary rods 18 are fixedly connected at the bottom of the valve connecting port 17, the number of the rotary rods 18 is two, the rotary rods 18 are fixedly arranged in the upper cover 7, a pressure rod 19 is fixedly arranged in the inner container layer 12, the top of the pressure rod 19 is in sliding connection with the surface of the rotary rods 18, a material conveying pipeline 20 is fixedly arranged in the inner container layer 12, a vacuum press 21 is fixedly connected at the top of the material conveying pipeline 20, the top of the pressure rod 19 is fixedly arranged in the upper cover 7, the top of the material conveying pipeline 20 is fixedly arranged in the upper cover 7, the vacuum press 21 is fixedly arranged in the upper cover 7, the number of the pressure rods 19 is two, the top of the connecting pipe 11 is fixedly connected with the surface of the upper cover 7, and a, the number of the handles 16 is two, the number of the O-shaped sealing rings 15 is plural, the O-shaped sealing rings 15 are fixedly arranged on the surface of the upper cover 7, the O-shaped sealing rings 15 are fixedly arranged on the surface of the heat insulation sleeve 10, the bottom of the low temperature resistant pressure gauge 4 is fixedly connected with the top of the tee joint 3, the bottom of the filling opening 5 is fixedly connected with the top of the filling valve 6, and the connecting pipe 11 is a waterproof material component.

As shown in fig. 2, a valve connecting port 17 is fixedly connected to the bottom of the outlet valve 2, two rotating rods 18 are fixedly connected to the bottom of the valve connecting port 17, and the rotating rods 18 are fixedly installed inside the upper cover 7.

The implementation mode is specifically as follows: the rotary rod and the valve can work normally by arranging the valve connecting port 17, so that the bottom environment is vacuum, and the device can work normally;

as shown in fig. 3, a pressure rod 19 is fixedly installed inside the inner container layer 12, the top of the pressure rod 19 is slidably connected with the surface of the rotating rod 18, a material conveying pipeline 20 is fixedly installed inside the inner container layer 12, and a vacuum press 21 is fixedly connected to the top of the material conveying pipeline 20.

The implementation mode is specifically as follows: the pressure rod 19 is arranged, so that air in the inner container can be normally pumped away, a vacuum environment is created, and materials can flow into the inner container through the material conveying pipeline 20, so that the device starts to work normally;

as shown in fig. 4, the top of the pressure rod 19 is fixedly installed inside the upper cover 7, the top of the material conveying pipeline 20 is fixedly installed inside the upper cover 7, the vacuum press 21 is fixedly installed inside the upper cover 7, and the number of the pressure rods 19 is two.

The implementation mode is specifically as follows: by arranging the vacuum press 21, the three valves can be connected together, the device can normally operate, and when materials fall from the upper part, the materials can be compressed, so that the materials can enter the lower part without interference;

the utility model discloses the theory of operation:

the first step is as follows: the apparatus is first placed at a designated location and then the various components are installed.

The second step is as follows: first by opening all valves of the dewar, put in a dry box temperature: vacuumizing to more than 24 hours at 65-75 ℃, closing all valves for later use, connecting a Dewar flask injection valve 6 and a sample source outlet valve 2, reliably connecting a sampling connecting pipe 11 with an 8MM stainless steel pipe or a thick-wall copper pipe with the same outer diameter outside, connecting a Dewar flask exhaust port 8 with an exhaust valve 9 through the connecting pipe 11, opening the sample source outlet valve 2, opening the Dewar flask injection valve 6 and the exhaust valve 9, flushing a Dewar flask inner container 13 with a sample, cooling the Dewar flask inner container 13 at the same time, closing the exhaust valve 9 after at least five minutes, then closing the Dewar flask injection valve 6, detaching the sampling connecting pipe 11, finishing sampling until the sample in the Dewar flask is used up, frequently observing a low temperature resistant pressure gauge 4, and controlling the pressure to be below 4MPa by opening and closing the exhaust valve 9 when the pressure exceeds 4MPa, when the pressure is not discharged in time and is more than 6.5M, the safety explosion-proof sheet of the Dewar flask can be punctured, and the sample is scrapped.

The third step: firstly, through taking over 11, be connected dewar bottle filling valve 6 with analytical instrument, can carry out analysis and detection work, after the analysis detects, should open all valves on the dewar bottle, put into the drying cabinet temperature: and (3) performing vacuum pumping for more than 24 hours at 65-75 ℃, closing all valves, and packaging, wherein the vacuum degree is-20 Kpa, and the product can be directly used next time.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A JN3018 type series metal dewar comprising an outlet (1), characterized in that: the low-temperature-resistant vacuum insulation device is characterized in that an outlet valve (2) is fixedly mounted below an outlet (1), a tee joint (3) is fixedly connected to the side face of the outlet valve (2), a low-temperature-resistant pressure gauge (4) is mounted on the surface of the tee joint (3), an upper cover (7) is fixedly connected to the top of the tee joint (3), an injection valve (6) is mounted on the surface of the upper cover (7), an injection port (5) is fixedly mounted at the top of the injection valve (6), an exhaust valve (9) is fixedly mounted at the top of the upper cover (7), an exhaust port (8) is fixedly mounted at the top of the exhaust valve (9), an insulation sleeve (10) is fixedly mounted at the bottom of the upper cover (7), a connecting pipe (11) is fixedly mounted inside the insulation sleeve (10), a vacuum layer (14) is arranged on the inner side of the insulation sleeve (10), an inner container layer (, the inner container (13) is arranged on the inner side of the inner container layer (12), the grip (16) is fixedly mounted on the surface of the heat insulation sleeve (10), and the O-shaped sealing ring (15) is fixedly mounted on the surface of the upper cover (7).

2. The JN3018 series metal dewar of claim 1, wherein: the bottom fixedly connected with valve connection mouth (17) of outlet valve (2), the bottom fixedly connected with rotary rod (18) of valve connection mouth (17), the quantity of rotary rod (18) is two, rotary rod (18) are at the inside fixed mounting of upper cover (7).

3. The JN3018 series metal dewar of claim 1, wherein: the inner container comprises an inner container layer (12), and is characterized in that a pressure rod (19) is fixedly installed inside the inner container layer (12), the top of the pressure rod (19) is in sliding connection with the surface of a rotating rod (18), a material conveying pipeline (20) is fixedly installed inside the inner container layer (12), and a vacuum press (21) is fixedly connected to the top of the material conveying pipeline (20).

4. The JN3018 series metal dewar of claim 1, wherein: the top of a pressure rod (19) is fixedly installed inside the upper cover (7), the top of a material conveying pipeline (20) is fixedly installed inside the upper cover (7), a vacuum press (21) is fixedly installed inside the upper cover (7), and the number of the pressure rods (19) is two.

5. The JN3018 series metal dewar of claim 1, wherein: the top of the connecting pipe (11) is fixedly connected with the surface of the upper cover (7), the surface of the heat insulation sleeve (10) is provided with two handles (16), and the number of the handles (16) is two.

6. The JN3018 series metal dewar of claim 1, wherein: the number of the O-shaped sealing rings (15) is plural, the O-shaped sealing rings (15) are fixedly installed on the surface of the upper cover (7), and the O-shaped sealing rings (15) are fixedly installed on the surface of the heat insulation sleeve (10).

7. The JN3018 series metal dewar of claim 1, wherein: the bottom of low temperature resistant manometer (4) and the top fixed connection of tee bend (3), the bottom of filling opening (5) with the top fixed connection of injection valve (6), takeover (11) are waterproof material component.