CN210771442U - Molecular sieve transfer tank - Google Patents
Molecular sieve transfer tank Download PDFInfo
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- CN210771442U CN210771442U CN201921819854.7U CN201921819854U CN210771442U CN 210771442 U CN210771442 U CN 210771442U CN 201921819854 U CN201921819854 U CN 201921819854U CN 210771442 U CN210771442 U CN 210771442U
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Abstract
A molecular sieve transfer tank relates to the technical field of molecular sieves, and is provided with an inner cavity for containing a molecular sieve, wherein the upper part of the molecular sieve transfer tank is provided with a vacuumizing port, an air charging/discharging port, a pressure discharging port and a pressure releasing port which are communicated with the inner cavity, and the lower part of the molecular sieve transfer tank is provided with a molecular sieve feeding/discharging port communicated with the inner cavity; a pressure discharge pipe is arranged on the pressure discharge port, and a pressure discharge valve is arranged on the pressure discharge pipe; a pressure relief pipe is arranged on the pressure relief opening, and a pressure relief valve is arranged on the pressure relief pipe; a vacuumizing pipe is arranged on the vacuumizing port, and a vacuumizing valve is arranged on the vacuumizing pipe; the charging/exhausting pipe is arranged on the charging/exhausting port, and a charging/exhausting valve is arranged on the charging/exhausting pipe; a molecular sieve transfer pipe is arranged on the molecular sieve inlet/outlet, and a inlet/outlet valve is arranged on the molecular sieve transfer pipe. The utility model has the characteristics of easy and simple to handle, safe and reliable guarantees molecular sieve adsorption performance, has guaranteed the vacuum of vacuum insulation container.
Description
Technical Field
The utility model belongs to the technical field of the molecular sieve technique and specifically relates to a molecular sieve transfer tank.
Background
With the development of human science in cryogenic technology, various cryogenic packaging containers, especially mobile, stationary, thermally insulated containers, such as: the cryogenic insulation tank car, the railway cryogenic insulation tank box, the cryogenic insulation tank container, the cryogenic insulation marine fuel tank and the like bring great convenience to production, civil use, scientific research and the like, and ensure that the service life of the cryogenic containers is longer, and the best method is to add an adsorbent into a high-vacuum interlayer.
The pressure container tank body for holding low temperature freezing liquid is a low temperature heat insulation pressure container composed of an inner container, an outer shell, a vacuum heat insulation layer and the like, wherein the inner container plays a role of holding low temperature liquid, and the outer shell plays a role of holding the inner container and forms a vacuum interlayer with the inner container. In order to ensure the service life of the vacuum interlayer, an adsorbent needs to be placed inside the interlayer, and the adsorbent is of various types, such as: 5A of small-particle spherical molecular sieve; small particle 3X molecular sieve, etc. the molecular sieve continuously adsorbs various residual gases and moisture in the interlayer, thus ensuring the long effectiveness of the heat insulation of the cryogenic container and ensuring the safety. The molecular sieve box trays are arranged in the front and rear end enclosures of the cryogenic container, the molecular sieve is filled into the molecular sieve box trays, manual filling is time-consuming and labor-consuming, the molecular sieve can cause failure of adsorption capacity due to the fact that certain micro gas in the air is adsorbed to cause saturation in the filling process, the vacuum degree of an interlayer cannot be continuously maintained, the heat insulation performance of a product is reduced, the temperature in the tank is increased, internal media are frequently discharged, and resource waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough to prior art provides an easy and simple to handle, safe and reliable guarantees the molecular sieve transfer tank of molecular sieve adsorption performance.
The utility model aims to solve the technical problem that the technical scheme is realized, the utility model relates to a molecular sieve transfer tank which is characterized in that the molecular sieve transfer tank is provided with an inner cavity for containing a molecular sieve, the upper part of the molecular sieve transfer tank is provided with a vacuum pumping port and an air charging/discharging port which are communicated with the inner cavity, the upper part of the molecular sieve transfer tank is provided with a pressure discharging port and a pressure discharging port, and the lower part of the molecular sieve transfer tank is provided with a molecular sieve inlet/outlet which is communicated with the inner cavity;
a pressure discharge pipe is arranged on the pressure discharge port, and a pressure discharge valve is arranged on the pressure discharge pipe;
a pressure relief pipe is arranged on the pressure relief opening, and a pressure relief valve is arranged on the pressure relief pipe;
a vacuumizing pipe is arranged on the vacuumizing port, and a vacuumizing valve is arranged on the vacuumizing pipe;
the charging/exhausting pipe is arranged on the charging/exhausting port, and a charging/exhausting valve is arranged on the charging/exhausting pipe;
a molecular sieve transfer pipe is arranged on the molecular sieve inlet/outlet, and a inlet/outlet valve is arranged on the molecular sieve transfer pipe.
The vacuum heat insulation container comprises an inner container and an outer shell, a vacuum interlayer is arranged between the inner container and the outer shell, a molecular sieve bag for containing a molecular sieve is arranged in the vacuum interlayer, the bottom of the molecular sieve bag is fixedly connected with the outer wall of the inner container, a screen for communicating the inner cavity of the molecular sieve bag with the vacuum interlayer is arranged at the upper part of the molecular sieve bag, and the molecular sieve transfer tank is used for filling the molecular sieve into the molecular sieve bag and is used for adsorbing gas and water in the vacuum interlayer, so that the vacuum degree of the vacuum interlayer is maintained, and the heat insulation performance of the vacuum heat insulation container is ensured.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the molecular sieve transfer tank in: the filter screen is welded on the pressure relief opening and used for preventing the molecular sieve from being flushed out of the pressure relief opening when the molecular sieve boils under the condition of uneven pressure.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the molecular sieve transfer tank in: the upper part of the molecular sieve transfer tank is provided with a safety valve.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the molecular sieve transfer tank in: and a pressure gauge for measuring the pressure of the inner cavity of the molecular sieve transfer tank is arranged on the molecular sieve transfer tank.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the molecular sieve transfer tank in: the bottom of the molecular sieve transfer tank is provided with a cart, the lower part of the cart is provided with universal wheels which facilitate the cart to move, and the upper part of the cart is provided with a handle which facilitates pushing and pulling.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the molecular sieve transfer tank in: in step (1), before vacuumizing, it is ensured that the charging/discharging valve and the charging/discharging valve are closed.
The specific method for filling the molecular sieve by using the molecular sieve transfer tank comprises the following steps:
(1) opening a vacuumizing valve, vacuumizing the inner cavity of the molecular sieve transfer tank through a vacuumizing tube, and closing the vacuumizing valve when the vacuum degree reaches-0.1 MPa;
(2) connecting a molecular sieve transfer pipe with a molecular sieve raw material barrel, opening a feeding/discharging valve, sucking the molecular sieve in the molecular sieve raw material barrel into a molecular sieve transfer tank through the molecular sieve transfer pipe under the action of negative pressure, and closing the feeding/discharging valve after the molecular sieve transfer tank is filled with the molecular sieve;
(3) opening a pressure relief valve, supplementing gas into an inner cavity of the molecular sieve transfer tank through the pressure relief pipe until the pressure in the molecular sieve transfer tank is consistent with the external atmospheric pressure, and closing the pressure relief valve;
(4) connecting a molecular sieve transfer material pipe with a molecular sieve bag, opening an air charging/discharging valve, and charging air or nitrogen into a molecular sieve transfer tank through an air charging/discharging port to control the air pressure to be within the range of 0.1-0.3 MPa;
(5) opening a feeding/discharging valve, pressing the molecular sieve in the molecular sieve transfer tank into a molecular sieve package of the vacuum heat-insulating container through a molecular sieve transfer pipe under the action of positive pressure, closing a charging/discharging valve after the molecular sieve package is filled, and closing the feeding/discharging valve;
(6) and opening the air charging/exhausting valve, exhausting the gas in the molecular sieve transfer tank to the pressure consistent with the external atmospheric pressure through the air charging/exhausting pipe, closing the air charging/exhausting valve, and finishing the filling operation of the molecular sieve in the vacuum heat-insulating container.
Compared with the prior art, the beneficial effects of the utility model are that:
the inner cavity of the molecular sieve transfer tank can be vacuumized by arranging the molecular sieve transfer tank and installing the vacuumizing tube on the molecular sieve transfer tank; the molecular sieve transfer pipe is arranged and connected with the molecular sieve raw material barrel, so that the molecular sieve in the molecular sieve raw material barrel can be transferred into the molecular sieve transfer tank; the molecular sieve transfer tank can be inflated by arranging the inflation/exhaust pipe, so that the inner cavity is in a positive pressure state, the molecular sieve transfer pipe is connected with a molecular sieve bag of the molecular sieve to be filled, the molecular sieve in the inner cavity can be pressed into the molecular sieve bag, and the air pressure inside and outside the molecular sieve transfer tank is ensured to be balanced by exhausting through the inflation/exhaust pipe; the whole device is simple in structure, convenient to operate, safe and reliable, and can effectively replace manual filling, so that the time for exposing the molecular sieve is short, the adsorption performance of the molecular sieve is ensured, the defect that the adsorption capacity fails due to saturation caused by the fact that the molecular sieve adsorbs gas in air in the filling process is avoided, the adsorption performance of the molecular sieve is ensured, the vacuum degree of the vacuum heat-insulation container is ensured, and the heat-insulation performance of the vacuum heat-insulation container is ensured.
Drawings
FIG. 1 is a schematic diagram of a molecular sieve transfer tank.
In the figure: 1. the system comprises a molecular sieve transfer tank, 2, an inner cavity, 3, a pressure discharge pipe, 4, a pressure discharge pipe, 5, a vacuum pumping pipe, 6, an air charging/discharging pipe, 7, a pressure discharge valve, 8, a pressure discharge valve, 9, a vacuum pumping valve, 10, an air charging/discharging valve, 11, a pressure gauge, 12, a safety valve, 13, a molecular sieve transfer pipe, 14, an inlet/outlet valve, 15, a trolley and 16, a handle.
Detailed Description
The following further describes embodiments of the present invention in order to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation to the right thereof.
[ example 1 ]
Referring to fig. 1, a molecular sieve transfer tank is characterized in that: the molecular sieve transfer tank 1 is provided with an inner cavity 2 for containing the molecular sieve, the upper part of the molecular sieve transfer tank 1 is provided with a vacuum pumping port and an air charging/discharging port which are communicated with the inner cavity 2, the upper part of the molecular sieve transfer tank 1 is provided with a pressure discharging port and a pressure discharging port, and the lower part of the molecular sieve transfer tank 1 is provided with a molecular sieve inlet/outlet port which is communicated with the inner cavity 2;
a pressure discharge pipe 3 is arranged on the pressure discharge port, and a pressure discharge valve 7 is arranged on the pressure discharge pipe 3;
a pressure relief pipe 4 is arranged on the pressure relief opening, and a pressure relief valve 8 is arranged on the pressure relief pipe 4;
a vacuumizing pipe 5 is arranged on the vacuumizing port, and a vacuumizing valve 9 is arranged on the vacuumizing pipe 5;
an air charging/discharging pipe 6 is arranged on the air charging/discharging port, and an air charging/discharging valve 10 is arranged on the air charging/discharging pipe 6;
a molecular sieve transfer pipe 13 is arranged on a molecular sieve inlet/outlet, when the molecular sieve transfer tank 1 is replenished with the molecular sieve, the molecular sieve transfer pipe 13 is connected with a molecular sieve raw material barrel, when the molecular sieve package of the vacuum heat insulation container is filled with the molecular sieve, the molecular sieve transfer pipe 13 is connected with a filling opening of the vacuum heat insulation container; an inlet/outlet valve 14 is arranged on the transfer pipe 13 of the molecular sieve.
The vacuum heat insulation container comprises an inner container and an outer shell, a vacuum interlayer is arranged between the inner container and the outer shell, a molecular sieve bag for containing a molecular sieve is arranged in the vacuum interlayer, the bottom of the molecular sieve bag is welded with the outer wall of the inner container, and a screen for communicating an inner cavity 2 of the molecular sieve bag with the vacuum interlayer is arranged at the upper part of the molecular sieve bag. The molecular sieve transfer tank is used for filling the molecular sieve into a molecular sieve bag and adsorbing gas and water in a vacuum interlayer, so that the vacuum degree of the vacuum interlayer is kept and the heat preservation performance of the vacuum heat-insulation container is ensured.
The filter screen is welded on the pressure relief opening and used for preventing the molecular sieve from being flushed out of the pressure relief opening when the molecular sieve boils under the condition of uneven pressure.
The upper part of the molecular sieve transfer tank 1 is provided with a safety valve 12.
The molecular sieve transfer tank 1 is provided with a pressure gauge 11 for measuring the pressure in the cavity 2 of the molecular sieve transfer tank 1.
The bottom of the molecular sieve transfer tank 1 is provided with a cart 15, the lower part of the cart 15 is provided with universal wheels which facilitate the movement of the cart 15, and the upper part of the cart 15 is provided with a handle 16 which facilitates the push-and-pull.
The specific method for filling the molecular sieve into the vacuum heat-insulating container by utilizing the molecular sieve transfer tank comprises the following steps:
(1) ensuring that the charging/discharging valve 10 and the charging/discharging valve 14 are closed, opening the vacuumizing valve 9, vacuumizing the inner cavity 2 of the molecular sieve transfer tank 1 through the vacuumizing pipe 5, and closing the vacuumizing valve 9 when the vacuum degree reaches-0.1 MPa;
(2) connecting a molecular sieve transfer pipe 13 with a molecular sieve raw material barrel, opening an inlet/outlet valve 14, sucking the molecular sieve in the molecular sieve raw material barrel into a molecular sieve transfer tank 1 through the molecular sieve transfer pipe 13 under the action of negative pressure, and closing the inlet/outlet valve 14 after the molecular sieve transfer tank is filled with the molecular sieve;
(3) opening a pressure relief valve 8, supplementing gas to the inner cavity 2 of the molecular sieve transfer tank 1 through a pressure relief pipe 4 until the air pressure in the molecular sieve transfer tank 1 is consistent with the external atmospheric pressure, and closing the pressure relief valve 8;
(4) connecting a molecular sieve transfer pipe 13 with a molecular sieve bag, opening an air charging/discharging valve 10, charging air or nitrogen into a molecular sieve transfer tank 1 through an air charging/discharging port, and controlling the air pressure within the range of 0.1-0.3 MPa;
(5) opening a feeding/discharging valve 14, pressing the molecular sieve in the molecular sieve transfer tank 1 into a molecular sieve package of the vacuum heat-insulating container through a molecular sieve transfer pipe 13 under the action of positive pressure, closing a filling/discharging valve 10 and closing the feeding/discharging valve 14 after the molecular sieve package is filled;
(6) and opening the air charging/exhausting valve 10, exhausting the gas in the molecular sieve transfer tank 1 through the air charging/exhausting pipe 6 until the pressure is consistent with the external atmospheric pressure, closing the air charging/exhausting valve 10, and finishing the filling operation of the molecular sieve of the vacuum heat-insulating container.
Claims (5)
1. A molecular sieve transfer tank is characterized in that: the molecular sieve transfer tank is provided with an inner cavity for containing the molecular sieve, the upper part of the molecular sieve transfer tank is provided with a vacuumizing port, an air charging/discharging port, a pressure discharging port and a pressure releasing port which are communicated with the inner cavity, and the lower part of the molecular sieve transfer tank is provided with a molecular sieve feeding/discharging port which is communicated with the inner cavity;
a pressure discharge pipe is arranged on the pressure discharge port, and a pressure discharge valve is arranged on the pressure discharge pipe;
a pressure relief pipe is arranged on the pressure relief opening, and a pressure relief valve is arranged on the pressure relief pipe;
a vacuumizing pipe is arranged on the vacuumizing port, and a vacuumizing valve is arranged on the vacuumizing pipe;
the charging/exhausting pipe is arranged on the charging/exhausting port, and a charging/exhausting valve is arranged on the charging/exhausting pipe;
a molecular sieve transfer pipe is arranged on the molecular sieve inlet/outlet, and a inlet/outlet valve is arranged on the molecular sieve transfer pipe.
2. The molecular sieve transfer pot of claim 1, wherein: the filter screen is welded on the pressure relief opening and used for preventing the molecular sieve from being flushed out of the pressure relief opening when the molecular sieve boils under the condition of uneven pressure.
3. The molecular sieve transfer pot of claim 2, wherein: the upper part of the molecular sieve transfer tank is provided with a safety valve.
4. The molecular sieve transfer pot of claim 1, wherein: and a pressure gauge for measuring the pressure of the inner cavity of the molecular sieve transfer tank is arranged on the molecular sieve transfer tank.
5. The molecular sieve transfer pot of claim 1, wherein: the bottom of the molecular sieve transfer tank is provided with a cart, the lower part of the cart is provided with universal wheels which facilitate the cart to move, and the upper part of the cart is provided with a handle which facilitates pushing and pulling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921819854.7U CN210771442U (en) | 2019-10-28 | 2019-10-28 | Molecular sieve transfer tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921819854.7U CN210771442U (en) | 2019-10-28 | 2019-10-28 | Molecular sieve transfer tank |
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| Publication Number | Publication Date |
|---|---|
| CN210771442U true CN210771442U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921819854.7U Active CN210771442U (en) | 2019-10-28 | 2019-10-28 | Molecular sieve transfer tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748787A (en) * | 2019-10-28 | 2020-02-04 | 连云港中远海运特种装备制造有限公司 | Molecular sieve filling method for vacuum heat-insulating container |
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2019
- 2019-10-28 CN CN201921819854.7U patent/CN210771442U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748787A (en) * | 2019-10-28 | 2020-02-04 | 连云港中远海运特种装备制造有限公司 | Molecular sieve filling method for vacuum heat-insulating container |
| CN110748787B (en) * | 2019-10-28 | 2024-04-05 | 连云港中远海运特种装备制造有限公司 | Molecular sieve filling method for vacuum heat-insulating container |
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