CN210602856U - MTBE device condensate water transformation system - Google Patents
MTBE device condensate water transformation system Download PDFInfo
- Publication number
- CN210602856U CN210602856U CN201920942580.4U CN201920942580U CN210602856U CN 210602856 U CN210602856 U CN 210602856U CN 201920942580 U CN201920942580 U CN 201920942580U CN 210602856 U CN210602856 U CN 210602856U
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- pipeline
- distillation tower
- condensate water
- catalytic distillation
- water
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Abstract
The utility model relates to a MTBE device condensate water transformation system. The problem of current steam pipe network pressure increase steam consumption greatly has mainly been solved. The method is characterized in that: the methanol water feed line is connected with a catalytic distillation tower (9), and the top distillation outlet of the catalytic distillation tower is sequentially connected with a tower top cooler (8) and a reflux tank (7); the bottom pipeline of the reflux tank is connected with the catalytic distillation tower through a reflux pump (5) and a reflux pipeline; the material pipeline at the bottom of the catalytic distillation tower is connected with a reboiler (6), and the pipeline at the top of the reboiler returns to the bottom of the catalytic distillation tower; the reboiler is connected condensate water bus (3) and steam line (4) respectively, and condensate water bus (3) are connected condensate water valve (12) and condensate water station (1), and the condensate water bus still passes through pipeline connection condensate water valve (10) and heating water pitcher (2). This MTBE device condensate water transformation system can reduce the pressure of steam pipe network, practices thrift the consumption of steam, has reduced the maintenance cost who damages equipment production because of the water hammer.
Description
Technical Field
The utility model relates to an energy-conserving technical field of petrochemical production, in particular to MTBE device condensate water transformation system.
Background
The currently applied MTBE device flow is as follows: the four carbon feed lines after the etherification are connected with a catalytic distillation tower, and the bottom of the catalytic distillation tower is connected with a reboiler; the reboiler is connected with the condensate tank through a condensate pipeline and a regulating valve. There are problems in that: the MTBE device condensate water is sent to the condensate tank in-process through the condensate water pipeline and governing valve, because the condensate tank pressure is 5.0-5.5MPa usually, in order to the return water is smooth and easy, requires the pressure of steam pipe network to be higher than 7.0MPa, and steam is sent to each steam consuming point of device, can the even running, has increased steam consumption. In addition, because of large temperature difference and serious water hammer, the multi-path condensed water returning condensed water tank often damages pipelines, flanges, instruments, pumps and the like, and increases the maintenance cost.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome the current steam pipe network pressure that exists among the background art and add the problem of steam consumption greatly, and provide a MTBE device condensate water transformation system, this MTBE device condensate water transformation system reduces the pressure of steam pipe network, practices thrift the consumption of steam, has reduced because of the maintenance cost that the water hammer damaged the equipment and produces.
The utility model provides a its problem accessible reach as follows technical scheme: the MTBE device condensed water transformation system comprises a catalytic distillation tower, wherein a feed line is connected with the catalytic distillation tower, and a top distillation outlet line of the catalytic distillation tower is sequentially connected with a tower top cooler and a reflux tank; the bottom pipeline of the reflux tank is connected with the catalytic distillation tower through a reflux pump and a reflux pipeline; a bottom material pipeline of the catalytic distillation tower is connected with a reboiler, and a top pipeline of the reboiler returns to the bottom of the catalytic distillation tower; the reboiler is connected condensate water bus and steam pipeline respectively, and the condensate water bus is connected condensate water valve and condensate water station, and the condensate water bus still passes through pipeline connection condensate water valve B and heating water pitcher.
Compared with the above background art, the utility model can have following beneficial effect: this MTBE device condensate water transformation system has reduced the pressure of steam pipe network on the one hand, reduces to 6.0MPa from 7.0MPa, can practice thrift the consumption of steam, and the MTBE device practices thrift steam 0.1 t/h. On the other hand, the maintenance cost caused by the damage of the equipment due to water attack is reduced.
Drawings
Fig. 1 is a system flow diagram of the present invention.
In the figure: 1-a condensate station; 2-a heating water tank; 3-a condensed water bus; 4-a steam line; 5-a reflux pump; 6-reboiler, 7-reflux tank; 8-a cooler; 9-a catalytic distillation column; 10-condensate valve B; 11-a pipeline; 12-condensation water valve.
The specific implementation mode is as follows:
the invention will be further explained with reference to the drawings:
as shown in the attached drawing 1, the condensed water reforming system of the MTBE device comprises a catalytic distillation tower 9, a methanol water feeding line is connected with the catalytic distillation tower 9, and an overhead line of the catalytic distillation tower 9 is sequentially connected with an overhead cooler 8 and a reflux tank 7; the bottom pipeline of the reflux tank is connected with the catalytic distillation tower through a reflux pump 5 and a reflux pipeline; a material pipeline at the bottom of the catalytic distillation tower 9 is connected with a reboiler 6; the pipeline at the top of the reboiler 6 returns to the bottom of the catalytic distillation tower 9; the reboiler 6 is respectively connected with a condensed water bus 3 and a steam pipeline 4, the condensed water bus 3 is connected with a condensed water valve 12 and the condensed water station 1, the condensed water bus 3 is also connected with a condensed water valve B10 and the heating water tank 2 through a pipeline 11, and the steam pipeline is connected with a condensed water regulating valve; the line 11 is mounted on the condensate bus 3 before the condensate valve 12.
The working process of the condensed water transformation system of the MTBE device comprises the steps that the system is provided with a heating water tank 2 and a condensed water station 1, and condensed water of the MTBE device is sent to the condensed water tank 1 through a condensed water bus 3. A condensation water valve 12 is additionally arranged in front of a condensation water bus 3 of the MTBE device to the condensation water tank 1 for separating, a pipeline 11 for going to a heating water tank and a condensation water valve B10 are additionally arranged on the condensation water bus 3, the condensation water valve 12 is closed, and the condensation water is sent to the heating water tank 2 for supplying water for heating of the device. On one hand, the pressure of a steam pipe network is reduced, and the consumption of steam is saved; on the other hand, the maintenance cost caused by the damage of the equipment due to water hammer is reduced.
The invention is transformed to be used in a blue-petrifaction MTBE device in Daqing, on one hand, the pressure of a steam pipe network of a whole plant is reduced from 7.0MPa to 6.0MPa, the consumption of steam can be saved, and the MTBE device saves the steam by 0.1 t/h. On the other hand, the maintenance cost caused by the damage of the equipment due to water attack is reduced.
0.1t/h 24 h 365 days 150 yuan/t =13.14 ten thousand yuan
After the application, the operation is stable and the effect is good.
Claims (3)
1. An MTBE device condensate reforming system, includes catalytic distillation tower (9), its characterized in that: the methanol water feeding line is connected with the catalytic distillation tower (9), and the overhead line of the catalytic distillation tower (9) is sequentially connected with the overhead cooler (8) and the reflux tank (7); the bottom pipeline of the reflux tank (7) is connected with the catalytic distillation tower through a reflux pump (5) and a reflux pipeline; a material pipeline at the bottom of the catalytic distillation tower (9) is connected with a reboiler (6), and a pipeline at the top of the reboiler (6) returns to the bottom of the catalytic distillation tower (9); the reboiler (6) is respectively connected with a condensed water bus (3) and a steam pipeline (4), the condensed water bus (3) is connected with a condensed water valve (12) and a condensed water station (1), and the condensed water bus (3) is also connected with a condensed water valve B (10) and a heating water tank (2) through a pipeline (11).
2. The MTBE plant condensate water retrofit system of claim 1, wherein: the pipeline (11) is arranged on the condensed water bus (3) in front of the condensed water valve (12).
3. The MTBE plant condensate water retrofit system of claim 1, wherein: the steam pipeline (4) is connected with a condensation water valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920942580.4U CN210602856U (en) | 2019-06-21 | 2019-06-21 | MTBE device condensate water transformation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920942580.4U CN210602856U (en) | 2019-06-21 | 2019-06-21 | MTBE device condensate water transformation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210602856U true CN210602856U (en) | 2020-05-22 |
Family
ID=70686868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920942580.4U Expired - Fee Related CN210602856U (en) | 2019-06-21 | 2019-06-21 | MTBE device condensate water transformation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210602856U (en) |
-
2019
- 2019-06-21 CN CN201920942580.4U patent/CN210602856U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 Termination date: 20210621 |