CN216605190U - Etherification device in alkylation workshop - Google Patents
Etherification device in alkylation workshop Download PDFInfo
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- CN216605190U CN216605190U CN202123078881.3U CN202123078881U CN216605190U CN 216605190 U CN216605190 U CN 216605190U CN 202123078881 U CN202123078881 U CN 202123078881U CN 216605190 U CN216605190 U CN 216605190U
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- pipeline
- etherification
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- purifier
- heat exchanger
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Abstract
The utility model discloses an alkylation workshop etherification device, and belongs to the technical field of alkylation devices. The technical scheme is as follows: the device comprises a mixer, wherein a feed inlet of the mixer is respectively communicated with a carbon four-material pipeline and a methanol material pipeline through pipelines, and the carbon four-material pipeline and the methanol material pipeline are respectively provided with a feed pump; the discharge port of the mixer is connected with the feed port of the purifier through a pipeline, and a control valve is arranged on the pipeline; the discharge hole of the purifier is connected with the feed inlet of the heat exchanger through a pipeline, and a control valve is arranged on the pipeline; the discharge port of the heat exchanger is respectively connected with the feed ports of the etherification reactors through pipelines, and the pipelines are provided with control valves. The utility model adds a purifier in front of the etherification reactor to remove substances harmful to the etherification catalyst, such as alkaline substances, metal cations and the like carried in the etherification raw materials, thereby avoiding the poisoning and inactivation of the catalyst and prolonging the service life of the catalyst.
Description
Technical Field
The utility model relates to the technical field of alkylation devices, in particular to an alkylation workshop etherification device.
Background
The etherification raw materials enter an etherification reactor after alkali washing and water washing, and the etherification raw materials carry partial alkaline substances, metal cations and other substances harmful to the etherification catalyst, so that the service life of the catalyst is influenced.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the defects of the prior art are overcome, and the alkylation workshop etherification device is provided, wherein a purifier is additionally arranged in front of an etherification reactor to remove substances harmful to an etherification catalyst, such as alkaline substances, metal cations and the like carried in an etherification raw material, so that the catalyst is prevented from being poisoned and inactivated, and the service life of the catalyst is prolonged.
The technical scheme of the utility model is as follows:
the alkylation workshop etherification device comprises a mixer, wherein a feed inlet of the mixer is respectively communicated with a carbon four-material pipeline and a methanol material pipeline through pipelines, and the carbon four-material pipeline and the methanol material pipeline are respectively provided with a feed pump; the discharge port of the mixer is connected with the feed port of the purifier through a pipeline, and a control valve is arranged on the pipeline; the discharge hole of the purifier is connected with the feed inlet of the heat exchanger through a pipeline, and a control valve is arranged on the pipeline; the discharge port of the heat exchanger is respectively connected with the feed ports of the plurality of etherification reactors through a pipeline, and a control valve is arranged on the pipeline; the device also comprises a heavy catalytic fractionating tower, wherein a top circulating oil outlet of the heavy catalytic fractionating tower is connected with a top circulating oil inlet of the heat exchanger through a pipeline, and a top circulating oil outlet of the heat exchanger is connected with a top circulating oil inlet of the heavy catalytic fractionating tower through a pipeline.
Preferably, two etherification reactors are arranged in parallel.
Preferably, in the etherification reactors, the discharge port of the previous etherification reactor is connected with the feed port of the next etherification reactor through a pipeline, and the pipeline is provided with a control valve.
Preferably, at least two purifiers are arranged in parallel.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model adds a purifier in front of the etherification reactor to remove substances harmful to the etherification catalyst, such as alkaline substances, metal cations and the like carried in the etherification raw materials, thereby avoiding the poisoning and inactivation of the catalyst and prolonging the service life of the catalyst. Meanwhile, the high-temperature top circulating oil generated by the heavy catalytic fractionating tower is used as a heat source of the heat exchanger to provide heat for the raw materials for the etherification reaction instead of conventional steam as the heat source, so that the problem of waste caused by excess heat due to the fact that the steam is used as the heat source is solved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure, a 1-mixer, a 2-carbon four-material pipeline, a 3-methanol material pipeline, a 4-feeding pump, a 5-purifier, a 6-control valve, a 7-heat exchanger, an 8-etherification reactor and a 9-heavy catalytic fractionating tower are arranged.
Detailed Description
Example 1
As shown in fig. 1, the embodiment provides an etherification device in an alkylation workshop, which comprises a mixer 1, wherein a feed inlet of the mixer 1 is respectively communicated with a carbon four-material pipeline 2 and a methanol material pipeline 3 through pipelines, and feed pumps 4 are respectively arranged on the carbon four-material pipeline 2 and the methanol material pipeline 3; the discharge hole of the mixer 1 is connected with the feed inlet of the purifier 5 through a pipeline, and a control valve 6 is arranged on the pipeline; a discharge hole of the purifier 5 is connected with a feed inlet of a heat exchanger 7 through a pipeline, and a control valve 6 is arranged on the pipeline; the discharge port of the heat exchanger 7 is respectively connected with the feed ports of the etherification reactors 8 which are connected in parallel through pipelines, and the pipelines are provided with control valves 6; the device also comprises a heavy catalytic fractionating tower 9, wherein a top circulating oil outlet of the heavy catalytic fractionating tower 9 is connected with a top circulating oil inlet of the heat exchanger 7 through a pipeline, and a top circulating oil outlet of the heat exchanger 7 is connected with a top circulating oil inlet of the heavy catalytic fractionating tower 9 through a pipeline.
In the embodiment, the purifier 5 is added in front of the etherification reactor 8 to remove substances harmful to the etherification catalyst, such as alkaline substances, metal cations and the like in the raw materials, so that the catalyst in the etherification reactor 8 is prevented from being poisoned and inactivated, and the service life of the catalyst is prolonged. In addition, in this embodiment, the high-temperature top circulating oil generated by the heavy catalytic fractionation tower 9 is used as a heat source of the heat exchanger to provide heat for the etherification reaction raw material, so that the subsequent raw material can enter the etherification reactor 8 for reaction, instead of using conventional steam as a heat source, thereby avoiding the problem of waste caused by excess heat due to steam as a heat source.
Example 2
On the basis of the embodiment 1, in a plurality of etherification reactors 8, the discharge hole of the previous etherification reactor 8 is connected with the feed hole of the next etherification reactor 8 through a pipeline, and a control valve 6 is arranged on the pipeline. According to the connection mode, a plurality of etherification reactors 8 can be connected in series according to the requirement, so that the reaction is more thorough through the multistage etherification reaction.
Example 3
On the basis of embodiment 1, the purifier 5 is provided with at least two purifiers in parallel, wherein at least one purifier 5 can be used for standby, and when the purifier 5 which is normally used fails, the purifier 5 which fails can be closed for maintenance and the standby purifier 5 can be started at the same time, so that the continuous and smooth production is ensured.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. An alkylation workshop etherification device is characterized in that: the device comprises a mixer (1), wherein a feed inlet of the mixer (1) is respectively communicated with a carbon four-material pipeline (2) and a methanol material pipeline (3) through pipelines, and the carbon four-material pipeline (2) and the methanol material pipeline (3) are respectively provided with a feed pump (4); the discharge hole of the mixer (1) is connected with the feed hole of the purifier (5) through a pipeline, and a control valve (6) is arranged on the pipeline; a discharge hole of the purifier (5) is connected with a feed hole of the heat exchanger (7) through a pipeline, and a control valve (6) is arranged on the pipeline; the discharge hole of the heat exchanger (7) is respectively connected with the feed inlets of a plurality of etherification reactors (8) through pipelines, and the pipelines are provided with control valves (6); the device also comprises a heavy catalytic fractionating tower (9), wherein a top circulating oil outlet of the heavy catalytic fractionating tower (9) is connected with a top circulating oil inlet of the heat exchanger (7) through a pipeline, and a top circulating oil outlet of the heat exchanger (7) is connected with a top circulating oil inlet of the heavy catalytic fractionating tower (9) through a pipeline.
2. The alkylation plant etherification unit of claim 1, wherein: two etherification reactors (8) are arranged in parallel.
3. The alkylation plant etherification unit of claim 1, wherein: in the etherification reactors (8), the discharge hole of the previous etherification reactor (8) is connected with the feed hole of the next etherification reactor (8) through a pipeline, and a control valve (6) is arranged on the pipeline.
4. The alkylation plant etherification unit of claim 1, wherein: at least two purifiers (5) are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123078881.3U CN216605190U (en) | 2021-12-09 | 2021-12-09 | Etherification device in alkylation workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123078881.3U CN216605190U (en) | 2021-12-09 | 2021-12-09 | Etherification device in alkylation workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216605190U true CN216605190U (en) | 2022-05-27 |
Family
ID=81702362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123078881.3U Active CN216605190U (en) | 2021-12-09 | 2021-12-09 | Etherification device in alkylation workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216605190U (en) |
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2021
- 2021-12-09 CN CN202123078881.3U patent/CN216605190U/en active Active
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