CN217041394U - Device for dehydrating and deoxidizing solvent - Google Patents
Device for dehydrating and deoxidizing solvent Download PDFInfo
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- CN217041394U CN217041394U CN202220563896.4U CN202220563896U CN217041394U CN 217041394 U CN217041394 U CN 217041394U CN 202220563896 U CN202220563896 U CN 202220563896U CN 217041394 U CN217041394 U CN 217041394U
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Abstract
The utility model provides a device for solvent dehydration is deoxydized especially relates to compound preparation technical field. The device, comprising: the dehydration and deoxidation mechanism comprises a glass container, a rubber plug is mounted on the glass container, a first through hole and a second through hole are formed in the rubber plug, a bottom-inserting filter pressing pipe is inserted into the first through hole, and an air inlet pipe is inserted into the second through hole; a molecular sieve is arranged in the glass container; the bottom inserted filter pressing pipe is connected with the double-row pipe through one end of a first glass three-way valve, and the other end of the first glass three-way valve is connected with solvent sampling equipment through a pipeline; the air inlet pipe is connected with the double-row pipe through one end of the second glass three-way valve, and the other end of the second glass three-way valve is connected with a second anti-suck-back oil bubble device. The device simple structure is reasonable, convenient to use, and simultaneously, the solvent after the dehydration deoxidization can directly be used for the preparation of olefin polymerization catalyst, satisfies the strict requirement to water, oxygen when olefin polymerization catalyst prepares.
Description
Technical Field
The utility model belongs to the technical field of the compound preparation facilities, especially, relate to a device for solvent dehydration is deoxydized.
Background
The olefin polymerization catalyst has strict requirements on water and oxygen, the catalyst is permanently inactivated by trace water and oxygen in the catalyst preparation and storage processes, and the requirements on raw material water and oxygen in the catalyst preparation process are that the lower the content of water and oxygen in the raw material is, the better the content of water and oxygen in the raw material is. Therefore, for the preparation of olefin polymerization catalysts, the required raw materials should be strictly dehydrated and deoxidized before being used.
For small-scale research and development experiments, the raw materials are generally dehydrated and deoxidized by a solvent treatment method, and then the treated raw materials are manually taken out and transferred to a catalyst preparation device to prepare the catalyst. However, the method needs high-temperature dehydration and deoxidation treatment on the solvent, and the process cost is high.
Disclosure of Invention
The utility model provides a simple and easy solvent dehydration, deoxidation device has effectively reduced water, oxygen content in the solvent to make its preparation that can be used to olefin polymerization catalyst.
The invention provides a device for dehydrating and deoxidizing a solvent, which comprises:
the dehydration and deoxidation mechanism comprises a glass container, a rubber plug is arranged on the glass container, a first through hole and a second through hole are formed in the rubber plug, a bottom-inserting filter pressing pipe is inserted into the first through hole, and an air inlet pipe is inserted into the second through hole; a molecular sieve is arranged in the glass container;
the bottom inserting filter pressing pipe is connected with the double-row pipe through one end of a first glass three-way valve, and the other end of the first glass three-way valve is connected with solvent sampling equipment through a pipeline; the air inlet pipe is connected with the double-row pipe through one end of the second glass three-way valve, and the other end of the second glass three-way valve is connected with a second anti-suck-back oil bubble device.
Further, the bottom-inserted filter pressing pipe is inserted into the lower part in the glass container.
Further, the air inlet pipe is inserted into the upper part in the glass container.
Furthermore, the double-row pipe comprises a first row pipe and a second row pipe which are arranged in parallel and provided with branch pipe openings, one end of the first row pipe is closed, and the other end of the first row pipe is connected with a vacuum pump; one end of the second calandria is connected with a first anti-suck-back oil bubble device, and the other end of the second calandria is connected with a nitrogen steel cylinder; the first calandria and the second calandria control the first calandria and the second calandria through the double-inclined three-way piston to be mutually independent vacuum pumping and inflating body.
Furthermore, a glass valve is connected to the first anti-suck-back oil bubble device.
Further, a vacuum pressure gauge and a third glass three-way valve are sequentially arranged between the first exhaust pipe and the vacuum pump.
Furthermore, a stop valve is arranged between the second discharge pipe and the nitrogen steel cylinder.
Furthermore, the bottom of the bottom inserting filter pressing pipe is wrapped with a stainless steel filter screen.
The utility model has the advantages of it is following:
the utility model provides a device for deoxidization of solvent dehydration will be used for placing the dehydration deoxidation mechanism and the combination of two calandrias of solvent to set up a plurality of glass three-way valves, realize that nitrogen gas constantly flows through the solvent, and the molecular sieve finally reaches dehydration, deoxidization's purpose to the adsorption of solvent. The device simple structure is reasonable, convenient to use, and simultaneously, the solvent after the dehydration deoxidation can directly be used for the preparation of olefin polymerization catalyst, satisfies the strict requirement to water, oxygen when olefin polymerization catalyst prepares to, the device still can be used to direct storage dehydration deoxidation solvent.
Drawings
The accompanying drawings, which form a part of the present disclosure, are included to provide a further understanding of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and together with the description serve to explain the present disclosure. In the drawings:
FIG. 1 is a schematic structural diagram of an apparatus according to an embodiment of the present invention;
description of reference numerals:
1-nitrogen cylinder; 2-a vacuum pump; 3, a stop valve; 4-1 a first glass three-way valve; 4-2 second glass three-way valve; 4-3 third glass three-way valves; 5, a vacuum pressure gauge; 6-double row of tubes; 7-a glass container; 8, inserting a bottom filter pressing pipe; 9-an air inlet pipe; 10-stainless steel filter screen; 11-molecular sieve; 12-1 a first anti-suck-back oil bubbler; 12-2, a second anti-suck-back oil bubbler; 13-glass valve; 14-1-first through hole 14-2-second through hole; 15-solvent sampling equipment; 16-rubber plug.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.
As shown in fig. 1, the utility model provides a device for solvent dehydration deoxidation, including:
the dehydration and deoxidation mechanism comprises a glass container 7, a rubber plug 16 is arranged on the glass container 7, a first through hole 14-1 and a second through hole 14-2 are formed in the rubber plug 16, a bottom-inserting filter pressing pipe 8 is inserted into the first through hole 14-1, and an air inlet pipe 9 is inserted into the second through hole 14-2;
the double-row pipe 6 is connected with the bottom-inserted filter pressing pipe 8 through one end of a first glass three-way valve 4-1, and the other end of the first glass three-way valve 4-1 is connected with a solvent sampling device 15 through a pipeline; the air inlet pipe 9 is connected with the double-row pipe 6 through one end of the second glass three-way valve 4-2, and the other end of the second glass three-way valve 4-2 is connected with the second anti-suck-back oil bubbler 12-2.
Further, a bottom-inserted filter-press pipe 8 is inserted into the lower portion inside the glass container 7. The solvent contained in the glass container is discharged through the stainless steel bottom-inserted filter-pressing pipe. Preferably, the bottom-inserted filter pressing pipe 8 is a stainless steel bottom-inserted filter pressing pipe.
Further, an air inlet pipe 9 is inserted to an inner upper portion of the glass container 7. Used for pressing out the solvent after air is fed through the stainless steel air inlet pipe. Preferably, the inlet pipe 9 is a stainless steel inlet pipe.
Furthermore, the molecular sieve of the present invention is a conventional molecular sieve, which can be purchased directly. The molecular sieve may be a 4A spherical molecular sieve. Molecular sieve 11 is used to adsorb water in the solvent. Further, the added height of the molecular sieve 11 in the glass container 7 should be lower than the bottom of the gas inlet pipe 9.
Further, the double-row pipe 6 comprises a first row pipe 61 and a second row pipe 62 which are arranged in parallel and provided with branch pipe openings, one end of the first row pipe 61 is closed, and the other end of the first row pipe 61 is connected with the vacuum pump 2; one end of the second calandria 62 is connected with a first anti-suck-back oil bubbler 12-1, and the other end of the second calandria 62 is connected with a nitrogen steel cylinder 1; the first row of pipes 61 and the second row of pipes 62 control the vacuumizing and inflating bodies which are not mutually influenced by the first row of pipes 61 and the second row of pipes 62 through the double-inclined three-way piston.
Further, a glass valve 13 is connected to the first anti-suck-back oil bubbler 12-1. By adjusting the opening degree of the glass valve 13, a large amount of nitrogen flows into the glass container 7 through the double-row pipe 6 and is pressurized, so that the dehydrated and deoxidized raw materials in the glass container 7 can be directly conveyed into the catalyst preparation device, and the contact risk of the dehydrated and deoxidized raw materials with water and oxygen is reduced.
Further, a vacuum pressure gauge 5 and a third glass three-way valve 4-3 are sequentially arranged between the first exhaust pipe 61 and the vacuum pump 2. The three-way valve is arranged, so that the vacuum pump can be connected with the atmosphere before the vacuum pump is closed, the oil of the vacuum pump is prevented from being sucked backwards, and the vacuum pump is protected.
Specifically, a first glass three-way valve is arranged, and when dehydration and deoxidation are carried out, a double-row pipe and a stainless steel bottom-inserted filter pressing pipe are connected, and a right pipeline is disconnected; when the solvent is sampled, the stainless steel bottom-inserted filter pressing pipe and the right pipeline are connected, and the connection with the double-row pipe is disconnected. A second glass three-way valve is arranged, when dehydrating and deoxidizing, the stainless steel air inlet pipe is connected with the anti-suck-back oil bubbler, the connection with the double-row pipe is disconnected, and nitrogen can continuously flow through the anti-suck-back oil bubbler; when the solvent is sampled, the stainless steel air inlet pipe is connected with the double-row pipe, and the connection with the anti-suck-back oil bubble device is disconnected.
The utility model provides a device for solvent dehydration is deoxidated has set up a plurality of glass three-way valves, simplifies the structure for the valve is convenient for switch and use.
Furthermore, a stop valve 3 is arranged between the second discharge pipe 62 and the nitrogen gas steel cylinder 1. The opening and closing degree of the stop valve 3 can be used for adjusting the amount of the nitrogen, and can be judged by the bubbling amount of the first suck-back prevention oil bubbler 12-1.
Further, the bottom of the bottom-inserting filter pressing pipe 8 is wrapped with a stainless steel filter screen 10. The addition of the stainless steel filter screen 10 can prevent the molecular sieve from blocking the bottom-inserted filter pressing pipe 8, so as to ensure the smooth flowing of the solvent in the bottom-inserted filter pressing pipe 8.
It should be noted that the double row tubes used in the present invention are commercially available conventional double row tubes, which are purchased from Chongqing Xinweier glass Co.
The device provided by the utility model can directly carry out dehydration and deoxidation treatment, and the specific implementation process is as follows:
and adjusting the first glass three-way valve 4-1 to enable the double-row pipe 6 to be communicated with the bottom-inserted filter pressing pipe 8, and disconnecting a pipeline connected with the solvent sampling device 15. Adjusting a second glass three-way valve 4-2 to enable the anti-suck-back oil bubble device 12-2 to be communicated with the air inlet pipe 9, and disconnecting the connection with the double-row pipe 6; and nitrogen is continuously introduced through the double-row pipe 6, continuously flows through the solvent in the glass container 7 and finally flows to the anti-suck-back oil bubbler 12-2, and is continuously blown and adsorbed by the molecular sieve 11 in the glass container 7 to dehydrate and deoxidize the solvent.
The utility model provides a device, solvent after dehydration, deoxidation treatment can follow and directly get in the glass container 7 for the preparation reaction of catalyst, and concrete implementation process is:
adjusting a second glass three-way valve 4-2 to enable the double-row pipe 6 to be communicated with the air inlet pipe 9, and disconnecting the double-row pipe from the anti-suck-back oil bubble device 12-2;
adjusting the first glass three-way valve 4-1 to connect the bottom-inserted filter pressing pipe 8 and the right pipeline with solvent sampling equipment, and disconnecting the connection with the double-row pipe 6 and the double-row pipe; the double-row pipe 6 is adjusted by a glass valve 13 to pressurize the glass container 7, and the solvent is connected to solvent sampling equipment through a bottom-inserted filter pressing pipe 8 and a first glass three-way valve 4-1 to finish sampling. After sampling is finished, the first glass three-way valve 4-1 and the second glass three-way valve 4-2 are adjusted to ensure that the bottom-inserted filter pressing pipe 8 and the stainless steel air inlet pipe 9 are only connected with the double-row pipes, and other connections are disconnected.
The device provided by the utility model, the solvent after dehydration and deoxidation treatment can also be directly stored in the glass container 7, and the concrete implementation process is:
after dehydration and deoxidation and qualified moisture test, the first glass three-way valve 4-1 and the second glass three-way valve 4-2 are adjusted to ensure that the bottom-inserted filter pressing pipe 8 and the air inlet pipe 9 are only connected with the double-row pipe, and other connections are disconnected, so that the glass container 7 achieves the purpose of continuously dehydrating the storage solvent and the molecular sieve.
The solvent is not exposed in the air in the whole operation process, so that the influence caused by contact with water and oxygen in the air is avoided.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the 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 (8)
1. An apparatus for dehydrating and deoxygenating a solvent, comprising:
the dehydration and deoxidation mechanism comprises a glass container (7), a rubber plug (16) is mounted on the glass container (7), a first through hole (14-1) and a second through hole (14-2) are formed in the rubber plug (16), a bottom-inserting filter pressing pipe (8) is inserted into the first through hole (14-1), and an air inlet pipe (9) is inserted into the second through hole (14-2); a molecular sieve (11) is arranged in the glass container (7);
the bottom-inserted filter pressing pipe (8) is connected with the double-row pipe (6) through one end of a first glass three-way valve (4-1), and the other end of the first glass three-way valve (4-1) is connected with a solvent sampling device (15) through a pipeline; the air inlet pipe (9) is connected with the double-row pipe (6) through one end of the second glass three-way valve (4-2), and the other end of the second glass three-way valve (4-2) is connected with the second anti-suck-back oil bubbler (12-2).
2. The apparatus of claim 1,
the bottom inserting filter pressing pipe (8) is inserted into the lower part in the glass container (7).
3. The apparatus of claim 1,
the air inlet pipe (9) is inserted into the upper part of the glass container (7).
4. The apparatus of claim 1,
the double-row pipe (6) comprises a first row pipe (61) and a second row pipe (62) which are arranged in parallel and provided with branch pipe openings, one end of the first row pipe (61) is closed, and the other end of the first row pipe (61) is connected with a vacuum pump (2); one end of the second calandria (62) is connected with a first anti-suck-back oil bubble device (12-1), and the other end of the second calandria (62) is connected with a nitrogen steel cylinder (1); the first calandria (61) and the second calandria (62) control the first calandria (61) and the second calandria (62) through a double-inclined three-way piston to be mutually independent of vacuum pumping and gas charging body.
5. The apparatus of claim 4,
the first anti-suck-back oil bubble device (12-1) is connected with a glass valve (13).
6. The apparatus of claim 4,
a vacuum pressure gauge (5) and a third glass three-way valve (4-3) are arranged between the first calandria (61) and the vacuum pump (2) in sequence.
7. The apparatus of claim 4,
and a stop valve (3) is arranged between the second discharge pipe (62) and the nitrogen steel cylinder (1).
8. The apparatus of claim 1,
the bottom of the bottom inserting filter pressing pipe (8) is wrapped with a stainless steel filter screen (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220563896.4U CN217041394U (en) | 2022-03-15 | 2022-03-15 | Device for dehydrating and deoxidizing solvent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220563896.4U CN217041394U (en) | 2022-03-15 | 2022-03-15 | Device for dehydrating and deoxidizing solvent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217041394U true CN217041394U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220563896.4U Active CN217041394U (en) | 2022-03-15 | 2022-03-15 | Device for dehydrating and deoxidizing solvent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217041394U (en) |
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- 2022-03-15 CN CN202220563896.4U patent/CN217041394U/en active Active
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Effective date of registration: 20230907 Address after: Room U10203, 1st Floor, R&D Building, China Putian Xi'an Industrial Park, No. 456 Aerospace South Road, National Civil Aerospace Industry Base, Xi'an City, Shaanxi Province, 710100 Patentee after: Shaanxi Yangming Kaida Electronic Technology Co.,Ltd. Address before: 712000 Xianyang province Shaanxi City Wenhui Road No. 12 Patentee before: SHAANXI POLYTECHNIC INSTITUTE |