CN213433096U - A collect buffer system for ethyl acrylate extract - Google Patents
A collect buffer system for ethyl acrylate extract Download PDFInfo
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- CN213433096U CN213433096U CN202022221174.4U CN202022221174U CN213433096U CN 213433096 U CN213433096 U CN 213433096U CN 202022221174 U CN202022221174 U CN 202022221174U CN 213433096 U CN213433096 U CN 213433096U
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- ethyl acrylate
- extract
- buffer tank
- discharge gate
- regulating valve
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Abstract
The utility model discloses a collecting and buffering system for ethyl acrylate extract, which mainly comprises an extraction tower, a buffer tank, a feeding regulating valve, a discharging regulating valve and a discharging pump; the discharge gate of extraction tower bottom is connected to through the feed regulating valve the feed inlet of buffer tank, the buffer tank is equipped with ethyl acrylate discharge gate and extract discharge gate respectively, the ethyl acrylate discharge gate is connected to ethyl acrylate collection device, the extract discharge gate is connected to the ethanol recovery tower through discharge pump, discharge regulating valve. The utility model provides a pair of a collect buffer system for ethyl acrylate extract has that the buffer system subassembly is simple, can improve extraction tower extraction effect, stabilize rectification workshop section feed volume, effectively separate advantages such as ethyl acrylate.
Description
Technical Field
The utility model relates to a collect buffer system for ethyl acrylate extract belongs to the chemical industry equipment field.
Background
Ethyl acrylate is an important organic synthetic raw material and synthetic resin monomer, and is a vinyl monomer having a very high polymerization rate. At present, the widely adopted production process is a fixed bed esterification reaction method, liquid acrylic acid and ethanol are mixed according to a certain proportion and then are subjected to esterification reaction in an esterification reactor to generate ethyl acrylate and water. Removing water in the resultant through a dehydration tower, extracting ethanol by using water, separating and recovering unreacted ethanol, and separating acrylic acid and ethyl ester heavy components in the reaction resultant through a rectifying tower.
However, the above-mentioned ethyl acrylate extraction process has some defects, such as unstable flow of extraction liquid and raffinate in continuous production, easy polymerization of ethyl acrylate, etc., and has the following disadvantages in actual production: (1) the flow of the extraction liquid discharged from the lower part of the extraction tower is unstable, so that the feeding in the later working section is unstable, and the rectification effect is influenced; (2) the extraction effect of the extraction tower is influenced; increasing the operating pressure of the operator; (4) ethyl acrylate is entrained in the extraction liquid, so that the rectification tower is easy to polymerize.
There are also some devices in the prior art relating to the separation of the extraction liquid. The utility model with application number 201920760198.1 discloses a device for automatically and continuously separating an extract phase and a raffinate phase, which comprises a horizontally arranged separation tank, wherein a baffle for buffering extract, a silk screen for filtering and mixing the extract, a gas phase hole for balancing the internal and external pressure in the tank, a manhole for allowing an operator to enter the tank body, a sight glass for observing the liquid level and the layering condition in the tank, and a clapboard for separating the heavy phase and the light phase of the extract are arranged in the separation tank; the two sides of the partition board and the bottom surface of the separation tank are respectively provided with a heavy phase discharge hole and a light phase discharge hole, the heavy phase discharge hole and the light phase discharge hole are respectively communicated with a heavy phase pipe and a light phase pipe, the heavy phase pipe comprises a U-shaped return pipe and a discharge pipe communicated with the U-shaped return pipe, the upper part of the U-shaped return pipe is arranged in the separation tank, the heavy phase pipe comprises two horizontal pipes and two vertical pipes, and the elevation of the upper horizontal pipe is not higher than the elevation of the partition board.
If the utility model discloses an application number 201220324157.6 discloses an extract separation control device of taking floater again, extract separation control jar upper portion has the feed liquor pipe to be connected with the extraction cauldron, and there is discharge valve at the top, and the lower part has down the drain pipe, and the bottom drain pipe that has a bottom has a floater in, and the characteristic of floater is: the diameter of the ball is larger than that of the bottom liquid outlet pipe, the floating ball is provided with a sealing opening, and solution can be injected into the ball and is sealed.
However, the extraction liquid separation devices in the prior art cannot meet the requirements of collecting, buffering and separating the ethyl acrylate extraction liquid.
Disclosure of Invention
The utility model aims at providing a collection buffer system for ethyl acrylate extract, it is simple that it has the buffer system subassembly, can improve extraction tower extraction effect, stabilize rectification workshop section feed quantity, effectively separate advantages such as ethyl acrylate.
The utility model provides a technical scheme that technical problem adopted is: a collecting and buffering system for ethyl acrylate extract liquid mainly comprises an extraction tower, a buffer tank, a feeding regulating valve, a discharging regulating valve and a discharging pump; the discharge gate of extraction tower bottom is connected to through the feed regulating valve the feed inlet of buffer tank, the buffer tank is equipped with ethyl acrylate discharge gate and extract discharge gate respectively, the ethyl acrylate discharge gate is connected to ethyl acrylate collection device, the extract discharge gate is connected to the ethanol recovery tower through discharge pump, discharge regulating valve.
Further, the top of the buffer tank is provided with a pressure balance pipe to ensure the stable pressure in the buffer tank.
Further, the feed inlet of buffer tank is located in the middle of the top of buffer tank, the ethyl acrylate discharge gate and the extract discharge gate of buffer tank all locate the bottom of buffer tank.
Furthermore, a glass tube liquid level meter is arranged on the buffer tank to check the layering effect.
Further, the tank body of the buffer tank is of an oval structure; and the feeding regulating valve and the discharging regulating valve are flow regulating valves.
The working mode of the collecting and buffering system is as follows: extract gets into the buffer tank by extraction tower bottom discharge gate through the feed control valve, flow through feed control valve control extract, treat the layering of fully stewing of material in the buffer tank, the ethyl acrylate of smuggleing secretly in the separation extract, rely on glass pipe level gauge to observe the layering effect, through liquid level in feed control valve and the discharge control valve control buffer tank, lower floor's extract is squeezed into back workshop section ethanol recovery tower by the discharge pump, the ejection of compact in-process is through the pressure balance pipe balanced pressure on the buffer tank, the ejection of compact upper ethyl acrylate accessible ethyl acrylate discharge gate ejection of compact in the buffer tank.
The utility model has the advantages that: compared with the prior art, the utility model provides a collect buffer system has following several point advantages:
1) the buffer tank has obvious buffer effect and good ethyl acrylate separation effect, and is provided with a pressure balance pipe to ensure the stable pressure in the tank;
2) the tank body of the buffer tank is of an oval structure, feeding is carried out from the middle of the top of the tank body, and discharging is carried out from the bottom of the tank body, so that the extraction liquid and the ethyl acrylate are fully separated in a layered manner;
3) convenient maintenance, safety, environmental protection and no pollution.
Drawings
Fig. 1 is a schematic structural diagram of the collecting and buffering system provided by the present invention.
Wherein, 1-an extraction tower; 2-a pressure balance tube; 3-a feed regulating valve; 4-a buffer tank; 5-ethyl acrylate discharge port; 6-discharging the extract liquor; 7-a discharge pump; 8-discharge regulating valve.
Detailed Description
The invention is further illustrated by the following specific examples. These examples are intended to illustrate the invention and are not intended to limit the scope of the invention.
Examples
As shown in fig. 1, a collecting and buffering system for ethyl acrylate extract mainly comprises an extraction tower 1, a buffer tank 4, a feeding regulating valve 3, a discharging regulating valve 8 and a discharging pump 7; the discharge gate of 1 bottom in extraction tower is connected to through feeding governing valve 3 the feed inlet of buffer tank 4, buffer tank 4 is equipped with ethyl acrylate discharge gate 5 and extract discharge gate 6 respectively, ethyl acrylate discharge gate 5 is connected to ethyl acrylate collection device, extract discharge gate 6 is connected to the ethanol recovery tower through discharge pump 7, discharge governing valve 8.
The feed inlet of buffer tank 4 is located in the middle of the top of buffer tank 4, ethyl acrylate discharge gate 5 and extract discharge gate 6 of buffer tank 4 are all located the bottom of buffer tank 4.
The top of the buffer tank 4 is provided with a pressure balance pipe 2 to ensure the pressure in the buffer tank 4 to be stable. And a glass tube liquid level meter is arranged on the buffer tank 4 to check the layering effect.
The tank body of the buffer tank 4 is of an oval structure; the feeding regulating valve 3 and the discharging regulating valve 8 are flow regulating valves. The flow regulation has large elasticity, and can maintain the stability of the flow of the inlet and the outlet of the buffer tank 4.
The working mode of the collecting and buffering system is as follows: extract gets into buffer tank 4 through feed control valve 3 by 1 bottom discharge gate of extraction tower, flow through feed control valve 3 control extract, treat the layering of fully stewing of material in the buffer tank 4, the ethyl acrylate of smuggleing secretly in the separation extract, rely on glass pipe level gauge to observe the layering effect, liquid level in buffer tank 4 is controlled through feed control valve 3 and discharge control valve 8, lower floor's extract is squeezed into back workshop section ethanol recovery tower by discharge pump 7, the ejection of compact in-process is through the 2 balanced pressure of pressure balance pipe on the buffer tank 4, the 5 ejection of compact of upper ethyl acrylate accessible ethyl acrylate discharge gates in the buffer tank 4.
The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (5)
1. A collection buffer system for ethyl acrylate extract is characterized in that: the collecting and buffering system mainly comprises an extraction tower, a buffer tank, a feeding regulating valve, a discharging regulating valve and a discharging pump; the discharge gate of extraction tower bottom is connected to through the feed regulating valve the feed inlet of buffer tank, the buffer tank is equipped with ethyl acrylate discharge gate and extract discharge gate respectively, the ethyl acrylate discharge gate is connected to ethyl acrylate collection device, the extract discharge gate is connected to the ethanol recovery tower through discharge pump, discharge regulating valve.
2. A collection buffer system for an ethyl acrylate extract as defined in claim 1, wherein: the top of buffer tank is equipped with pressure balance pipe to ensure that buffer tank internal pressure is stable.
3. A collection buffer system for an ethyl acrylate extract as defined in claim 1, wherein: the feed inlet of buffer tank is located in the middle of the top of buffer tank, the ethyl acrylate discharge gate and the extract discharge gate of buffer tank all locate the bottom of buffer tank.
4. A collection buffer system for an ethyl acrylate extract as defined in claim 1, wherein: and a glass tube liquid level meter is arranged on the buffer tank to check the layering effect.
5. A collection buffer system for an ethyl acrylate extract as defined in claim 1, wherein: the tank body of the buffer tank is of an oval structure; and the feeding regulating valve and the discharging regulating valve are flow regulating valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022221174.4U CN213433096U (en) | 2020-09-30 | 2020-09-30 | A collect buffer system for ethyl acrylate extract |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022221174.4U CN213433096U (en) | 2020-09-30 | 2020-09-30 | A collect buffer system for ethyl acrylate extract |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213433096U true CN213433096U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022221174.4U Active CN213433096U (en) | 2020-09-30 | 2020-09-30 | A collect buffer system for ethyl acrylate extract |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213433096U (en) |
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2020
- 2020-09-30 CN CN202022221174.4U patent/CN213433096U/en active Active
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Address after: 314004 bujiao Road, Jiaxing Industrial Park, Jiaxing City, Zhejiang Province Patentee after: Satellite Chemical Co.,Ltd. Address before: 314000 bujiao Road, Jiaxing Industrial Park, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG SATELLITE PETRO CHEMICAL Co.,Ltd. |