CN216132303U - Device for improving stability of diethyl carbonate - Google Patents
Device for improving stability of diethyl carbonate Download PDFInfo
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- CN216132303U CN216132303U CN202121044235.2U CN202121044235U CN216132303U CN 216132303 U CN216132303 U CN 216132303U CN 202121044235 U CN202121044235 U CN 202121044235U CN 216132303 U CN216132303 U CN 216132303U
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- diethyl carbonate
- condenser
- carbonate product
- pipeline
- feed inlet
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Abstract
The utility model relates to a device for improving the stability of diethyl carbonate. The technical scheme is as follows: the side line passes through the feed inlet of pipe connection to one-level condenser in the tower, and the discharge gate of one-level condenser passes through the feed inlet of pipe connection to second grade condenser, and the discharge gate of second grade condenser passes through the top of pipe connection to the receiving tank, the bottom of receiving tank is connected to diethyl carbonate product jar through pipeline and first delivery pump, the discharge gate of diethyl carbonate product jar passes through the feed inlet of pipe connection to tertiary condenser, and the discharge gate of tertiary condenser passes through the side line feed inlet of pipe connection to diethyl carbonate product jar, realizes the tertiary refrigeration cycle of diethyl carbonate product jar. The beneficial effects are that: the utility model ensures the stability of the diethyl carbonate product through the whole device, and solves the problem of product quality reduction caused by pyrolysis in the processes of extracting and storing the diethyl carbonate product.
Description
Technical Field
The utility model relates to an auxiliary device for producing diethyl carbonate, in particular to a device for improving the stability of diethyl carbonate.
Background
Diethyl carbonate is used as a widely-used chemical production intermediate, is a colorless liquid with special fragrance at normal temperature, has a boiling point of 126.8 ℃ and a melting point of-43.0 ℃ under standard atmospheric pressure (101.3 KPa), has a relative density of 0.96926 at normal temperature (25 ℃/4 ℃), is insoluble in water, and is soluble in organic solvents such as alcohol, ether and the like. After entering the environment, diethyl carbonate can be gradually decomposed into two substances, namely carbon dioxide and ethanol, which have small influence on the environment, so that the diethyl carbonate is widely applied to the chemical industry. In the production process of diethyl carbonate, there are the following problems: the high-temperature decomposition is easy to occur in the discharging process of the existing production device and in the storage equipment, so that the product quality is reduced, and the market competitiveness and the supply guarantee capability of the product are reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for improving the stability of diethyl carbonate aiming at the defects in the prior art, and solves the problem of product quality reduction caused by pyrolysis in the processes of extracting and storing diethyl carbonate products.
The utility model provides a device for improving the stability of diethyl carbonate, which adopts the technical scheme that: comprises a receiving tank (V0101), a diethyl carbonate product tank (V0102), a first-level condenser (E0101), a second-level condenser (E0102), a third-level condenser (E0103), a first delivery pump (P0101) and a first delivery pump (P0102), wherein a side line in a tower is connected to a feed inlet of the first-level condenser (E0101) through a pipeline, a discharge outlet of the first-level condenser (E0101) is connected to a feed inlet of the second-level condenser (E0102) through a pipeline, a discharge outlet of the second-level condenser (E0102) is connected to the top of the receiving tank (V0101) through a pipeline, the bottom of the receiving tank (V0101) is connected to the diethyl carbonate product tank (V0102) through a pipeline and the first delivery pump (P0101), a discharge outlet of the diethyl carbonate product tank (V0102) is connected to a feed inlet of the third-level condenser (E0103) through a pipeline, a discharge outlet of the third-level condenser (E0103) is connected to a side line feed inlet of the diethyl carbonate product tank (V0102) through a pipeline, and realizing the third-stage refrigeration cycle of the diethyl carbonate product tank (V0102).
Preferably, a sunshade (Z001) is arranged on one side of the diethyl carbonate product tank (V0102).
Preferably, the sunshade (Z001) is of a telescopic structure.
Preferably, the refrigeration medium of the primary condenser (E0101) adopts circulating water.
Preferably, the refrigerating medium of the secondary condenser (E0102) is frozen brine.
Preferably, the refrigeration medium of the three-stage condenser (E0103) is frozen brine.
The utility model has the beneficial effects that: the utility model solves the stability problem caused by high-temperature decomposition in the processes of extracting and storing the diethyl carbonate product, and the heat exchange and cooling are carried out by adding a two-stage condenser to the side line in the tower, and meanwhile, a third-stage condenser is added to one side of a diethyl carbonate product tank, so that the diethyl carbonate product tank is also periodically cooled circularly, and an auxiliary sunshade is added to reduce the influence of direct sun-drying in summer; the stability of the diethyl carbonate product is ensured through the whole device, and the problem of product quality reduction caused by pyrolysis in the processes of extracting and storing the diethyl carbonate product is solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the upper diagram: the receiving tank V0101, the diethyl carbonate product tank V0102, the first-level condenser E0101, the second-level condenser E0102, the third-level condenser E0103, the first delivery pump P0101, the first delivery pump P0102 and the awning Z001, the circulating water tower 1, the first frozen salt water tower 2, the second frozen salt water tower 3 and the product tower 4.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Embodiment 1, referring to fig. 1, the apparatus for improving stability of diethyl carbonate comprises a receiving tank V0101, a diethyl carbonate product tank V0102, a primary condenser E0101, a secondary condenser E0102, a tertiary condenser E0103, a first transfer pump P0101, and a first transfer pump P0102, wherein a side line in a tower is connected to a feed inlet of the primary condenser E0101 through a pipeline, a discharge outlet of the primary condenser E0101 is connected to a feed inlet of the secondary condenser E0102 through a pipeline, a discharge outlet of the secondary condenser E0102 is connected to a top of the receiving tank V0101 through a pipeline, a bottom of the receiving tank V0101 is connected to the diethyl carbonate product tank V0102 through a pipeline and the first transfer pump P0101, a discharge outlet of the diethyl carbonate product tank V0102 is connected to a feed inlet of the tertiary condenser E0103 through a pipeline, a discharge outlet of the tertiary condenser E0103 is connected to a side feed inlet of the diethyl carbonate product tank V0102 through a pipeline, and realizing the third-stage refrigeration cycle of the diethyl carbonate product tank V0102.
Wherein, the refrigerant of one-level condenser E0101 adopts the circulating water, and the circulating water dress is in circulating water tower 1, and the refrigerant of second grade condenser E0102 adopts freezing salt solution, recycles through first freezing salt water tower 2, and the refrigerant of tertiary condenser E0103 adopts freezing salt solution, recycles through second freezing salt water tower 3.
The using process of the utility model is as follows:
diethyl carbonate is extracted from the middle side line of the product tower 4, enters a first-stage condenser E0101, exchanges heat with circulating water, enters a second-stage condenser E0102, and exchanges heat with circulating chilled brine. And then the diethyl carbonate enters a receiving tank V0101 and then enters a diethyl carbonate product tank V0102 through a first delivery pump P0101, a cooling medium of a three-stage condenser E0103 is added to one side of the diethyl carbonate product tank V0102 to be frozen brine, and the diethyl carbonate is periodically cooled in a circulating manner through entering the three-stage condenser E0103 through a second delivery pump P0102 to ensure the stability of the diethyl carbonate.
The difference from the embodiment 1 is that: a sunshade Z001 is arranged above a diethyl carbonate product tank V0102 to relieve the influence caused by direct sun exposure in summer, so that the energy consumption of the three-stage condenser E0103 can be greatly reduced.
The difference from the embodiment 2 is that: sunshade Z001 of installing in diethyl carbonate product jar V0102's top can adopt telescopic structure, and the sunshade screen at the top can drive the expansion or the contracting of realizing the sunshade screen through the motor, not only can slowly reduce the influence that the sun directly shines the cause in summer like this, can reduce tertiary condenser E0103's energy consumption by a wide margin, in addition, can also open sunshade Z001 when the sky is cold, makes the field usage more nimble.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent changes made according to the technical solution of the present invention shall fall within the scope of the present invention as claimed.
Claims (6)
1. The utility model provides an improve device of diethyl carbonate stability which characterized by: comprises a receiving tank (V0101), a diethyl carbonate product tank (V0102), a first-level condenser (E0101), a second-level condenser (E0102), a third-level condenser (E0103), a first delivery pump (P0101) and a first delivery pump (P0102), wherein a side line in a tower is connected to a feed inlet of the first-level condenser (E0101) through a pipeline, a discharge outlet of the first-level condenser (E0101) is connected to a feed inlet of the second-level condenser (E0102) through a pipeline, a discharge outlet of the second-level condenser (E0102) is connected to the top of the receiving tank (V0101) through a pipeline, the bottom of the receiving tank (V0101) is connected to the diethyl carbonate product tank (V0102) through a pipeline and the first delivery pump (P0101), a discharge outlet of the diethyl carbonate product tank (V0102) is connected to a feed inlet of the third-level condenser (E0103) through a pipeline, a discharge outlet of the third-level condenser (E0103) is connected to a side line feed inlet of the diethyl carbonate product tank (V0102) through a pipeline, and realizing the third-stage refrigeration cycle of the diethyl carbonate product tank (V0102).
2. The apparatus of claim 1, wherein the apparatus for improving the stability of diethyl carbonate comprises: and a sunshade (Z001) is arranged on one side of the diethyl carbonate product tank (V0102).
3. The apparatus of claim 2, wherein the apparatus for improving the stability of diethyl carbonate comprises: the sunshade (Z001) adopts a telescopic structure.
4. The apparatus of claim 1, wherein the apparatus for improving the stability of diethyl carbonate comprises: the refrigeration medium of the first-stage condenser (E0101) adopts circulating water.
5. The apparatus of claim 1, wherein the apparatus for improving the stability of diethyl carbonate comprises: the refrigerating medium of the secondary condenser (E0102) adopts frozen brine.
6. The apparatus of claim 1, wherein the apparatus for improving the stability of diethyl carbonate comprises: the refrigerating medium of the three-stage condenser (E0103) adopts frozen brine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121044235.2U CN216132303U (en) | 2021-05-17 | 2021-05-17 | Device for improving stability of diethyl carbonate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121044235.2U CN216132303U (en) | 2021-05-17 | 2021-05-17 | Device for improving stability of diethyl carbonate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216132303U true CN216132303U (en) | 2022-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121044235.2U Active CN216132303U (en) | 2021-05-17 | 2021-05-17 | Device for improving stability of diethyl carbonate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216132303U (en) |
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2021
- 2021-05-17 CN CN202121044235.2U patent/CN216132303U/en active Active
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