CN219251691U - Refining separation system capable of improving quality and enhancing efficiency - Google Patents
Refining separation system capable of improving quality and enhancing efficiency Download PDFInfo
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- CN219251691U CN219251691U CN202320236669.5U CN202320236669U CN219251691U CN 219251691 U CN219251691 U CN 219251691U CN 202320236669 U CN202320236669 U CN 202320236669U CN 219251691 U CN219251691 U CN 219251691U
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Abstract
The utility model discloses a refining and separating system capable of improving quality and efficiency, which comprises a separating unit and a lateral line refining unit. The separation unit comprises a separation tower, a first condenser and a first reflux groove, wherein the top of the separation tower is connected with the top of the first condenser through a connecting pipeline, the bottom of the first condenser is connected with the top of the first reflux groove, the bottom of the separation tower is connected with a first reboiler, the first reboiler is connected with a second pump body, and the second pump body is connected with the side line refining unit. The side line refining unit comprises a refining tower, a second condenser and a second reflux groove, the second pump body is connected with the refining tower, the top of the refining tower is connected with the second condenser, the second condenser is connected with the second reflux groove, the bottom of the second reflux groove is connected with a third pump body, the third pump body is connected with a second product tank area, and the bottom of the refining tower is connected with a second reboiler. The quality of the produced chemical products is improved through the lateral line refining unit, so that not only can energy be saved, but also the production efficiency can be increased.
Description
Technical Field
The utility model relates to a chemical product production technology, in particular to a refining separation system capable of improving quality and enhancing efficiency.
Background
In the process of producing chemical products, a batching unit, a synthesizing unit, a separating unit and a post-processing unit are generally used to obtain the required chemical products. In the traditional chemical production process, chemical products passing through the separation unit can also be extracted through a side line, and the side line extraction mode not only has the waste of steam energy, but also can marketing the quality of the chemical products in the separation unit when the waste of steam energy is more serious. If the side offtake of the separation unit is eliminated directly, the energy consumption can be reduced, but the separation quality may be affected. Publication No. CN106748651A proposes a process and a system for refining ethylene glycol from coal, and step 10 in the patent mentions that chemical products extracted from the side line of a separation unit can enter an aldehyde removal device, so that the aldehyde content is further reduced, the light transmittance is improved, and high-quality chemical products are produced.
In view of the above, the utility model improves the existing side line extraction, and refines the chemical products extracted from the side line of the separation unit, so that the product quality is improved, and the production efficiency can be increased.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a refining separation system capable of improving quality and efficiency, which not only can prevent energy waste, but also can improve the quality of chemical products and increase production efficiency.
The technical scheme of the utility model is realized as follows:
a refining and separating system capable of improving quality and efficiency comprises a separating unit, and is characterized in that the separating unit is connected with a lateral line refining unit,
the separation unit comprises a separation tower, a first condenser and a first reflux tank, the top of the separation tower is connected with the top of the first condenser through a connecting pipeline, the bottom of the first condenser is connected with the top of the first reflux tank, the bottom of the first reflux tank is connected with a first pump body, the first pump body is connected with a first product tank area, the bottom of the separation tower is connected with a first reboiler, the first reboiler is connected with a second pump body, the second pump body is connected with a side line refining unit,
the side line refining unit comprises a refining tower, a second condenser and a second reflux groove, wherein the second pump body is connected with the refining tower, the top of the refining tower is connected with the second condenser, the second condenser is connected with the second reflux groove, the bottom of the second reflux groove is connected with a third pump body, the third pump body is connected with a second product tank area, and the bottom of the refining tower is connected with a second reboiler.
In the refining and separating system of the present utility model, the top of the first reflux tank is connected to the top of the separating column via a connecting line, and a second shut-off valve is provided on the connecting line between the first reflux tank and the separating column.
In the refining and separating system of the utility model, a second throttle valve and a third stop valve are arranged between the first pump body and the first product tank area.
In the refining and separating system of the utility model, a third throttle valve and a fourth stop valve are arranged between the second pump body and the refining tower.
In the refining and separating system of the present utility model, the top of the second reflux tank is connected to the top of the refining column via a connecting line, and a fifth shut-off valve is provided on the connecting line between the second reflux tank and the refining column.
In the refining and separating system, the tower mainly comprises a tower body, a plurality of tower plates and two packing pressing plates, wherein one side of the tower body is also provided with a feed inlet and a circulating port, the feed inlet is connected with a second pump body, and the circulating port is connected with a second reboiler.
In the refining and separating system of the utility model, the bottom of the tower body is provided with a lower extraction opening, the top of the tower body is provided with an upper extraction opening, and the upper extraction opening and the lower extraction opening are provided with an arc-shaped surface.
The refining and separating system capable of improving quality and enhancing efficiency has the following beneficial effects: the utility model comprises a separation unit and a lateral line refining unit, and the quality of the chemical products is improved by the lateral line refining unit after upgrading and reforming, so that not only can the energy be saved, but also the production efficiency can be increased.
Drawings
FIG. 1 is a schematic diagram of a refining separation system according to the present utility model;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1, mainly showing a side line refining unit;
FIG. 3 is a schematic diagram of the structure of the refining column of the present utility model;
FIG. 4 is an enlarged schematic view of the structure shown at B in FIG. 3;
the reference numerals are expressed as: 10-separation unit, 101-separation column, 102-first condenser, 103-first reflux tank, 105-first pump body, 202-second pump body, J1-first stop valve, J2-second stop valve, J3-third stop valve, L1-first throttle valve, L2-second throttle valve, 20-side line refining unit, 201-refining column, 201 '1-column, 201' 3-circulation port, 201 '4-column plate, 201' 5-lower extraction port, 201 '6-upper extraction port, 201' 7-packing platen, 202-second condenser, 203-second reboiler, 204-second reflux tank, 205-third stop valve, J4-fourth stop valve, J5-fifth stop valve, J6-sixth stop valve, L3-third throttle valve, L4-fourth throttle valve, L5-fifth throttle valve, L6-sixth throttle valve,
Description of the embodiments
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Examples
As shown in fig. 1 to 2, the upgradeable refining separation system of the present utility model includes a separation unit 10 and a lateral refining unit 20. Wherein, as shown in fig. 1, the separation unit 10 includes a separation tower 101, a first condenser 102, and a first reflux drum 104. The multiple groups of materials are connected with a feed inlet of the separation tower 101 through a first stop valve J1, the top of the separation tower 101 is connected with one end of the top of the first condenser 102 through a connecting pipeline, and the other end of the top of the first condenser 102 is connected with an external aftertreatment system. A first throttle valve L1 is provided between the top of the first condenser 102 and the external aftertreatment system, the first throttle valve L1 being used to regulate the flow to the external aftertreatment system. The top of the first reflux tank 104 is provided with two connectors, the bottom of the first condenser 102 is connected with one connector at the top of the first reflux tank 104, the other connector at the top of the first reflux tank 104 is connected with the top of the separation tower 101 through a connecting pipeline, and a second stop valve J2 is arranged between the top of the first reflux tank 104 and the top of the separation tower 101. The bottom of the first reflux groove 104 is connected with a first pump body 105 through a connecting pipeline, and the first pump body 105 is connected with an external first product tank area through a second throttle valve L2 and a third stop valve J3. The bottom of the separation column 101 is connected with a first reboiler 103, and the first reboiler 103 is circularly connected with the separation column 101 through a connecting pipeline.
The materials from the previous process are conveyed into the separation tower 101 through the first stop valve J1, and the materials separated by the separation tower 101 are conveyed to the first condenser 102 through the connecting pipeline. The gas phase is sent from the top of the first condenser 102 to an external post-treatment system and the liquid phase is sent from the bottom of the first condenser 102 to the first reflux drum 104. A part of the liquid phase in the first reflux drum 104 is sent to the external first product tank area by the first pump body 105, and the other part of the liquid phase in the first reflux drum 104 is returned to the separation column 101 for circulation.
In this embodiment, the first reboiler 103 is also connected to the second pump 106, and the second pump 106 is connected to the side line purifying unit 20. A part of the material at the bottom of the separation tower 101 is returned to the separation tower 101 for circulation through the first reboiler 103, and the other part of the material is conveyed to the side line refining unit 20 through the second pump body. Wherein, as shown in fig. 2, the side line refining unit 20 includes a refining tower 201, a second condenser 202, and a second reflux tank 204. The refining tower 201 is connected with the second pump body 106, and a third throttle valve L3 and a fourth stop valve J4 are sequentially arranged between the refining tower 201 and the second pump body 106. The bottom of the refining tower 201 is connected with a second reboiler 203, the second reboiler 203 is circularly connected with the refining tower 201 through a connecting pipeline, and the bottom of the refining tower 201 is connected with an external post-treatment system through a fourth throttle valve L4. The top of the refining column 201 is connected with the top of the second condenser 202, and the top of the second condenser 202 is also connected with an external post-treatment system through a fifth throttle valve L5. The bottom of the second condenser 202 is connected with one port at the top of the second reflux tank 204, and the other port at the top of the second reflux tank 204 is connected with the top of the refining tower 201 through a fifth stop valve J5. The bottom of the second reflux groove 204 is connected with a third pump body 205, and the third pump body 205 is connected with an external second product tank area through a sixth throttle valve L6 and a sixth stop valve J6.
The second pump 106 sends part of the material into the side line refining unit 20, and the material is refined by the refining tower 201, extracted from the top of the refining tower 201, and then is conveyed to the second condenser 202 by the connecting pipeline. The gas phase is sent from the top of the second condenser 202 to an external aftertreatment system and the liquid phase is sent from the bottom of the second condenser 202 to the second reflux drum 204. A part of the liquid phase in the second reflux drum 204 is returned to the refining column 201 for circulation, and the other part is sent to the second product tank area via the third pump body 205.
In this embodiment, the specific working principle of the refining separation system capable of improving quality and efficiency is as follows: first, the first stop valve J1 is opened, a plurality of sets of materials from the previous step are fed into the separation tower 101, and the separation tower 101 separates the plurality of sets of materials. The separated material is withdrawn from the top of the separation column 101 and fed into the first condenser 102. The first condenser 102 delivers the vapor phase material to the external aftertreatment system through the first throttle valve L1, and the liquid phase material is delivered from the bottom of the first condenser 102 into the first reflux drum 104. And then the liquid phase materials are distributed, one part of the liquid phase materials are returned to the separation tower 101 for circulation through the second stop valve J2, and the other part of the liquid phase materials are connected with the first product tank area through the first pump body 105, the second throttle valve L2 and the third stop valve J3. If the first reflux tank 104 is not required to send the liquid phase material into the separation column 101 for circulation, the second stop valve J2 is closed. And one part of the materials extracted from the bottom of the separation tower 101 is sent to the separation tower 101 for circulation through the first reboiler 103, and the other part is sent to the refining tower 201 through the second pump body 106, the third throttle valve L3 and the fourth stop valve J4.
The materials are refined by the refining tower 201, extracted from the top of the refining tower 201 and sent to the second condenser 202. The second condenser 202 sends the gas phase material to the external post-treatment system through the fifth throttle valve L5, and the liquid phase material is sent to the second reflux tank 204 from the bottom of the second condenser 202. A part of the liquid phase in the second reflux tank 204 is returned to the refining column 201 for circulation through the fifth stop valve J5, and the other part is sent to the second product tank region through the third pump body 205, the sixth throttle valve L6 and the sixth stop valve J6. Finally, a part of the materials extracted from the bottom of the refining tower 201 is sent to the refining tower 201 for circulation by the second reboiler 203, and the other part of the materials are sent to an external post-treatment system by the fourth throttle valve L4.
Examples
In this example, a refining tower was further disclosed on the basis of the above-mentioned strength. As shown in fig. 3 to 4, the refining column 201 mainly consists of a column body 201'1, a plurality of trays 201'4 installed inside the column body, and two packing press plates 201'7. The tower body 201'1 side is also provided with a feed port 201'2 and a circulation port 201'3, the feed port 201'2 is connected with the second pump body 106 through a third throttle valve L3 and a fourth stop valve J4, and the circulation port 201'3 is connected with the second reboiler 203. The bottom of the tower body 201'1 is provided with a lower extraction opening 201'5, and the top of the tower body 201'1 is provided with an upper extraction opening 201'6. Therein, as shown in fig. 4, two packing press plates 201'7 are installed inside the refining tower 201. The materials enter the tower body 201'1 through the feeding hole 201'2, gas-liquid two phases are in cross flow upwards through the plurality of tower plates 201'4, and finally heat and mass transfer are carried out on the surface of the packing pressing plate 201'7. The bottom of the tower body 201'1 is provided with a lower extraction opening 201'5, the top of the tower body 201'1 is provided with an upper extraction opening 201'6, and the upper extraction opening 201'6 and the lower extraction opening 201'5 are provided with an arc-shaped surface which is more convenient for collecting gas/liquid phases.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (7)
1. A refining and separating system capable of improving quality and efficiency comprises a separating unit, and is characterized in that the separating unit is connected with a lateral line refining unit,
the separation unit comprises a separation tower, a first condenser and a first reflux tank, the top of the separation tower is connected with the top of the first condenser through a connecting pipeline, the bottom of the first condenser is connected with the top of the first reflux tank, the bottom of the first reflux tank is connected with a first pump body, the first pump body is connected with a first product tank area, the bottom of the separation tower is connected with a first reboiler, the first reboiler is connected with a second pump body, the second pump body is connected with a side line refining unit,
the side line refining unit comprises a refining tower, a second condenser and a second reflux groove, wherein the second pump body is connected with the refining tower, the top of the refining tower is connected with the second condenser, the second condenser is connected with the second reflux groove, the bottom of the second reflux groove is connected with a third pump body, the third pump body is connected with a second product tank area, and the bottom of the refining tower is connected with a second reboiler.
2. The refining separation system according to claim 1, wherein the top of the first reflux tank is connected to the top of the separation column via a connecting line, and a second shut-off valve is provided on the connecting line between the first reflux tank and the separation column.
3. The polishing separation system of claim 1, wherein a second throttle valve and a third stop valve are disposed between the first pump body and the first product tank field.
4. The refining separation system of claim 1, wherein a third throttle valve and a fourth shut-off valve are disposed between the second pump body and the refining column.
5. The refining separation system according to claim 1 or 2, characterized in that the top of the second reflux drum is connected to the top of the refining drum via a connecting line, and that a fifth shut-off valve is provided on the connecting line between the second reflux drum and the refining drum.
6. The refining separation system of claim 5, wherein the tower is mainly composed of a tower body, a plurality of tower plates and two packing pressing plates, a feed inlet and a circulating port are further formed in one side of the tower body, the feed inlet is connected with the second pump body, and the circulating port is connected with the second reboiler.
7. The refining separation system of claim 6, wherein the bottom of the tower has a lower outlet and the top of the tower has an upper outlet, wherein both the upper outlet and the lower outlet have an arcuate surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320236669.5U CN219251691U (en) | 2023-02-17 | 2023-02-17 | Refining separation system capable of improving quality and enhancing efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320236669.5U CN219251691U (en) | 2023-02-17 | 2023-02-17 | Refining separation system capable of improving quality and enhancing efficiency |
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| Publication Number | Publication Date |
|---|---|
| CN219251691U true CN219251691U (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320236669.5U Active CN219251691U (en) | 2023-02-17 | 2023-02-17 | Refining separation system capable of improving quality and enhancing efficiency |
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| CN (1) | CN219251691U (en) |
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- 2023-02-17 CN CN202320236669.5U patent/CN219251691U/en active Active
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