CN213172127U - Online dewaxing system of methanol synthesis device - Google Patents
Online dewaxing system of methanol synthesis device Download PDFInfo
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- CN213172127U CN213172127U CN202021668658.7U CN202021668658U CN213172127U CN 213172127 U CN213172127 U CN 213172127U CN 202021668658 U CN202021668658 U CN 202021668658U CN 213172127 U CN213172127 U CN 213172127U
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- pipeline
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- methyl alcohol
- hand valve
- pressure separator
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Abstract
The utility model discloses an online paraffin removal system of methyl alcohol synthesizer, this system include methyl alcohol high pressure separator, and the output pipeline of synthetic gas links to each other with methyl alcohol high pressure separator through parallelly connected pipeline that sets up, be equipped with water cooler and thermometer on the pipeline a that connects in parallel, methyl alcohol high pressure separator's bottom links to each other through parallelly connected pipeline b that sets up, pipeline b on be equipped with first hand valve, quick-operation joint, manometer, filter, liquid level control valve and second hand valve in proper order. On-line paraffin removal system under the condition that the methyl alcohol synthesizer does not stop, effectively clear away the wax that produces in the system, also alleviateed the burden for subsequent methyl alcohol rectification.
Description
Technical Field
The utility model relates to a methyl alcohol synthesis technical field relates to a methyl alcohol synthesizer wax removal system on line.
Background
The methanol synthesis reaction is a complex, reversible chemical reaction that proceeds over a catalyst. In the production process, the paraffin is generated under the influence of the change of the process, the catalyst, the gas composition and the operation condition, the operation of the device can be influenced if the paraffin is not processed in time, the device can be stopped for a short time in severe cases, and the crude methanol containing the paraffin can bring difficulty to the subsequent methanol rectification.
SUMMERY OF THE UTILITY MODEL
The utility model provides an online dewaxing system of a methanol synthesis system aiming at the defects existing in the prior art.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a methyl alcohol synthesizer wax removal system on line, this system includes methyl alcohol high pressure separator, and the output pipeline of synthetic gas links to each other with methyl alcohol high pressure separator through the pipeline of parallelly connected setting, be equipped with water cooler and thermometer on the pipeline a of parallelly connected, methyl alcohol high pressure separator's bottom links to each other through the pipeline b of parallelly connected setting, pipeline b on be equipped with first hand valve, quick-operation joint, the manometer, the filter, liquid level control valve and second hand valve in proper order.
The utility model discloses among the technical scheme: the filter is provided with a differential pressure gauge.
The utility model discloses among the technical scheme: a pipeline is arranged between the first hand valve and the quick connector, and a double-valve guide shower is arranged on the pipeline; the bottom of the filter is provided with a double-valve guide shower, and the output end of the double-valve guide shower is connected with a closed recovery system.
The utility model discloses among the technical scheme: the first hand valve is connected with a pressure equalizing valve in parallel.
The utility model has the advantages that:
on-line paraffin removal system under the condition that the methyl alcohol synthesizer does not stop, effectively clear away the wax that produces in the system, also alleviateed the burden for subsequent methyl alcohol rectification.
Drawings
FIG. 1 is a process flow diagram of an on-line wax removal portion of a methanol synthesis plant;
in the figure, 1, a water cooler, 2, a thermometer, 3, a first hand valve, 4, a pressure equalizing valve, 5, a quick connector part, 6, a pressure gauge, 7, a differential pressure gauge, 8, a filter, 9, a liquid level regulating valve, 10, a second hand valve, 11, a double-valve guide shower and 12, a methanol high-pressure separator are arranged.
Detailed Description
The present invention will be further explained with reference to the following embodiments, but the scope of the present invention is not limited thereto:
as shown in figure 1, the on-line dewaxing system of the methanol synthesis device comprises a methanol high-pressure separator 12, an output pipeline of synthesis gas is connected with the methanol high-pressure separator 12 through a pipeline a arranged in parallel, a water cooler 1 and a thermometer 2 are arranged on the pipeline a arranged in parallel, the bottom ends of the methanol high-pressure separator 12 are connected through a pipeline b arranged in parallel, and a first hand valve 3, a quick joint 5, a pressure gauge 6, a filter 8, a liquid level regulating valve 9 and a second hand valve 10 are sequentially arranged on the pipeline b. The filter 8 is provided with a differential pressure gauge 7. The first hand valve 3 is connected with a pressure equalizing valve 4 in parallel.
A pipeline is arranged between the first hand valve 3 and the quick connector 5, and a double-valve guide shower 11 is arranged on the pipeline; the bottom end of the filter 8 is provided with a double-valve guide shower 11, and the output end of the double-valve guide shower 11 is connected with a closed recovery system.
The specific working process is as follows:
a first part:
taking a certain methanol synthesis device as an example, synthesis gas pipelines at the inlet and the outlet of two water coolers which are connected in parallel are symmetrically arranged; the liquid phase outlet of the methanol high-pressure separator is provided with a first hand valve, the first hand valve is connected with a pressure equalizing valve in parallel, and the downstream of the first hand valve is provided with a guide shower of a double-hand valve, a steam quick joint, a pressure gauge, a filter (an inlet and an outlet are provided with a differential pressure gauge), a liquid level regulating valve and a second hand valve. A parallel bypass is also provided.
A second part:
the wax is brought into the methanol filter by the high-temperature melting principle.
And a third part:
when the temperature of a thermometer at the outlet of the water cooler rises, the phenomenon of wax deposition in the heat exchanger is shown, at the moment, the flow of the circulating water of the water cooler is reduced, the temperature of the process air at the outlet of the water cooler rises, wax in the heat exchanger is melted and is carried into the methanol high-pressure separator, and the flow of the circulating water is recovered after a period of time; when the differential pressure of the filter inlet and outlet differential pressure gauge is increased, which indicates that wax deposition in the filter is serious, the first hand valve and the second hand valve of the bypass are opened; opening the liquid level regulating valve; closing the first hand valve, the second hand valve and the liquid level regulating valve of the main line; the steam quick connector is connected with low-pressure steam, the filter is blown by the steam, and the wax is discharged into the ground tank.
Claims (4)
1. The utility model provides an online paraffin removal system of methyl alcohol synthesizer which characterized in that: the system comprises a methanol high-pressure separator (12), wherein an output pipeline of synthesis gas is connected with the methanol high-pressure separator (12) through a pipeline a which is arranged in parallel, a water cooler (1) and a thermometer (2) are arranged on the pipeline a which is arranged in parallel, the bottom end of the methanol high-pressure separator (12) is connected with a pipeline b which is arranged in parallel, and the pipeline b is sequentially provided with a first hand valve (3), a quick joint (5), a pressure gauge (6), a filter (8), a liquid level regulating valve (9) and a second hand valve (10).
2. The methanol synthesis unit on-line wax removal system of claim 1, wherein: the filter (8) is provided with a differential pressure meter (7).
3. The methanol synthesis unit on-line wax removal system of claim 1, wherein: a pipeline is arranged between the first hand valve (3) and the quick joint (5), and a double-valve guide shower (11) is arranged on the pipeline; the bottom end of the filter (8) is provided with a double-valve guide shower (11), and the output end of the double-valve guide shower (11) is connected with a closed recovery system.
4. The methanol synthesis unit on-line wax removal system of claim 1, wherein: the first hand valve (3) is connected with a pressure equalizing valve (4) in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021668658.7U CN213172127U (en) | 2020-08-12 | 2020-08-12 | Online dewaxing system of methanol synthesis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021668658.7U CN213172127U (en) | 2020-08-12 | 2020-08-12 | Online dewaxing system of methanol synthesis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213172127U true CN213172127U (en) | 2021-05-11 |
Family
ID=75800156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021668658.7U Active CN213172127U (en) | 2020-08-12 | 2020-08-12 | Online dewaxing system of methanol synthesis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213172127U (en) |
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2020
- 2020-08-12 CN CN202021668658.7U patent/CN213172127U/en active Active
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