CN205803360U - Methanol recovery device - Google Patents
Methanol recovery device Download PDFInfo
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- CN205803360U CN205803360U CN201620656473.1U CN201620656473U CN205803360U CN 205803360 U CN205803360 U CN 205803360U CN 201620656473 U CN201620656473 U CN 201620656473U CN 205803360 U CN205803360 U CN 205803360U
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- gas
- methanol
- pipe
- recovery device
- liquid separator
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Abstract
The utility model discloses a kind of methanol recovery device, it is applied in methanol fractionation system, methanol fractionation system includes the pre-tower of rectification, the tower top of the pre-tower of described rectification is provided with fixed gas floss hole, described methanol recovery device includes: gas-liquid separator, it is connected with described fixed gas floss hole by pipeline, and the bottom of described gas-liquid separator is provided with drain pipe, and the top of described gas-liquid separator is provided with downtake pipe；Letdown tank, it is built with desalted water, and described downtake pipe is connected to described letdown tank and stretches in desalted water, and the upper and lower of described letdown tank is respectively equipped with emptying trachea and discharging tube, and described discharging tube is for connecting with thick alcohol tank.This utility model washs the methanol in on-condensible gas by containing desalted water in letdown tank, to form crude carbinol, so that methanol is fully reclaimed, decreases and is emitted into high aerial methanol content, stopped waste, improve economic benefit.
Description
Technical field
This utility model belongs to methanol fractionation system technical field, returns particularly to the methanol in a kind of methanol fractionation system
Receiving apparatus.
Background technology
In methanol fractionation system, need by gas-liquid separator, fixed gas out from the pre-tower of rectification is carried out gas-liquid
Separate, so that the gases such as dimethyl ether remaining after separation, methane, hydrogen, carbon monoxide, carbon dioxide are carried out high altitude discharge.But
Being in actual motion, the methanol in fixed gas can not be adequately cooled separation in gas-liquid separator so that discharges paramount
The uncooled methanol of aerial part discharges the most together, and this has resulted in waste, brings loss economically.
Utility model content
The technical problem that can not fully reclaim for methanol present in prior art, this utility model provides one application
Methanol recovery device in methanol fractionation system.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of methanol recovery device, it is applied in methanol fractionation system, and methanol fractionation system includes the pre-tower of rectification, institute
The tower top stating the pre-tower of rectification is provided with fixed gas floss hole, and described methanol recovery device includes:
Gas-liquid separator, it is connected with described fixed gas floss hole by pipeline, and the bottom of described gas-liquid separator is provided with
Drain pipe, the top of described gas-liquid separator is provided with downtake pipe；
Letdown tank, it is built with desalted water, and described downtake pipe is connected to described letdown tank and stretches in desalted water, institute
The upper and lower stating letdown tank is respectively equipped with emptying trachea and discharging tube, and described discharging tube is for connecting with thick alcohol tank.
As preferably, described pipeline is provided with pre-cooler, enters institute from the pre-tower of described rectification by pipeline for cooling
State the fixed gas of gas-liquid separator.
As further preferably, described pre-cooler includes:
Air cooler, the fixed gas floss hole of its tower pre-with described rectification connects；
Backflash, it is connected with described air cooler by feed tube, and is connected with the pre-tower of described rectification by the first liquid back pipe
Logical, the top of described backflash is provided with second exhaust pipe.
As further preferably, between described pre-cooler and gas-liquid separator, it is provided with two grades of chillers, described second
Exhaustor is connected to described two grades of chillers, and described two grades of chillers are for being discharged into institute to from described second exhaust pipe
On-condensible gas before stating gas-liquid separator cools down further.
As further preferably, described two grades of chillers include the cavity closed and are located at its internal cold water pipe, institute
State two grades of chillers to be connected with described backflash by the second liquid back pipe；Described two grades of chillers by the 3rd exhaustor with
Described gas-liquid separator connects.
As preferably, the top of described letdown tank is provided with liquid supplementation pipe, to fill into desalted water in described letdown tank.
As further preferably, described discharging tube, drain pipe, the first liquid back pipe and the 3rd exhaustor are respectively equipped with cut-off
Valve.
Compared with prior art, the had the beneficial effect that this utility model of this utility model passes through in letdown tank
Contain desalted water and wash the methanol in on-condensible gas, to form crude carbinol, so that methanol is fully reclaimed, the row of decreasing
Put paramount aerial methanol content, stopped waste, improve economic benefit.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the methanol recovery device in this utility model.
In figure:
The pre-tower of 1-rectification；2-air cooler；
3-backflash；Bis-grades of chillers of 4-；
5-gas-liquid separator；6-letdown tank；
7-feed tube；8-downtake pipe；
9-the first liquid back pipe；10-the second liquid back pipe；
11-second exhaust pipe；12-the 3rd exhaustor；
13-stop valve；14-is vented trachea；
15-discharging tube；16-liquid supplementation pipe；
17-drain pipe.
Detailed description of the invention
For making those skilled in the art be better understood from the technical solution of the utility model, real with concrete below in conjunction with the accompanying drawings
Execute example this utility model is elaborated.
Embodiment in this utility model refers to Fig. 1, it discloses the Methanol Recovery dress in a kind of methanol fractionation system
Putting, in figure, arrow represents the flow direction of gas or liquid.Methanol fractionation system includes the pre-tower of rectification 1, the tower top tool of the pre-tower of rectification 1
Having fixed gas floss hole (not shown in FIG.), methanol recovery device includes: gas-liquid separator 5 He, and gas-liquid separator 5 passes through pipeline
Connect with fixed gas floss hole, and the top of gas-liquid separator 5 is provided with downtake pipe 8；Letdown tank 6 built with desalted water,
One exhaustor 8 is connected to letdown tank 6 and stretches in desalted water, and downtake pipe 8 is for dividing through gas-liquid in gas-liquid separator 5
From fixed gas import in letdown tank 6, the methanol in fixed gas is desalted water and absorbs, and forms crude carbinol；Gas-liquid separator 5 times
Portion is provided with drain pipe 17, and the liquid discharged from drain pipe 17 is re-introduced into the pre-tower of rectification.The upper and lower of letdown tank 6 sets respectively
Having emptying trachea 14 and discharging tube 15, discharging tube 15 is for connecting with thick alcohol tank (not shown in FIG.), when the thick first in letdown tank 6
When determining alcohol reaches certain value, by discharging tube 15, crude carbinol is discharged in thick alcohol tank.
In order to enable the methanol in fixed gas preferably to be separated, pipeline is provided with pre-cooler, is used for
Cool down the fixed gas being entered gas-liquid separator 5 from the pre-tower of rectification 1 by pipeline.Pre-cooler includes air cooler 2 and backflash 3,
The fixed gas floss hole of air cooler 2 tower pre-with rectification 1 connects, and air cooler 2 is connected with backflash 3 by feed tube 7, and passes through the
One liquid back pipe 9 tower pre-with rectification 1 connects, to reclaim remaining liquid after air cooler 2 cools down；The top of backflash 3 is provided with
Second exhaust pipe 11, discharges backflash 3 for the on-condensible gas after cooling.
In the present embodiment, between pre-cooler and gas-liquid separator 5, it is additionally provided with two grades of chillers 4, with further
The on-condensible gas that cooling is discharged in backflash 3.Specifically, cooling water pipe, second exhaust pipe 11 it are provided with in two grades of chillers 4
Being connected to two grades of chillers 4, two grades of chillers 4 are before to being discharged into gas-liquid separator 5 from second exhaust pipe 11
On-condensible gas cool down further, two grades of chillers 4 are connected with backflash 3 by the second liquid back pipe 10, so that shape after Leng Ning
The liquid become enters in the pre-tower of rectification 1 by backflash 3, and two grades of chillers 4 are also by the 3rd exhaustor 12 and gas-liquid separation
Device 5 connects.
In order to enable the separation process of above-mentioned methanol intermittently to carry out, be provided with liquid supplementation pipe 16 on the top of letdown tank 6, with to
Desalted water is periodically or non-periodically filled in letdown tank 6.
In the present embodiment, discharging tube 15, drain pipe the 17, first liquid back pipe 9 and the 3rd exhaustor 12 are respectively equipped with one section
Only valve 13, for controlling the flow of liquid or gas.
Methanol recovery device in this utility model, the character utilizing methanol miscible with water uses desalted water washing fixed gas
Methanol in body, to form crude carbinol, when the concentration of crude carbinol reaches more than 30%, assimilation effect will decline, and now will
Crude carbinol enters in thick alcohol tank and refines, and can inject new desalted water again through liquid supplementation pipe 16 in letdown tank 6, thus
The separation process that can enable above-mentioned methanol is intermittently carried out.
Above example is only exemplary embodiment of the present utility model, is not used in restriction this utility model, and this practicality is new
The protection domain of type is defined by the claims.Those skilled in the art can be at essence of the present utility model and protection domain
In, this utility model is made various amendment or equivalent, this amendment or equivalent also should be regarded as in this practicality new
In the protection domain of type.
Claims (7)
1. a methanol recovery device, it is applied in methanol fractionation system, and methanol fractionation system includes the pre-tower of rectification, described
The tower top of the pre-tower of rectification is provided with fixed gas floss hole, it is characterised in that described methanol recovery device includes:
Gas-liquid separator, it is connected with described fixed gas floss hole by pipeline, and the bottom of described gas-liquid separator is provided with out liquid
Pipe, the top of described gas-liquid separator is provided with downtake pipe；
Letdown tank, it is built with desalted water, and described downtake pipe is connected to described letdown tank and stretches in desalted water, described row
The upper and lower putting groove is respectively equipped with emptying trachea and discharging tube, and described discharging tube is for connecting with thick alcohol tank.
Methanol recovery device the most according to claim 1, it is characterised in that described pipeline is provided with pre-cooler, is used for
Cooling enters the fixed gas of described gas-liquid separator from the pre-tower of described rectification by pipeline.
Methanol recovery device the most according to claim 2, it is characterised in that described pre-cooler includes:
Air cooler, the fixed gas floss hole of its tower pre-with described rectification connects；
Backflash, it is connected with described air cooler by feed tube, and is connected by the first liquid back pipe tower pre-with described rectification, institute
The top stating backflash is provided with second exhaust pipe.
Methanol recovery device the most according to claim 3, it is characterised in that between described pre-cooler and gas-liquid separator
Being provided with two grades of chillers, described second exhaust pipe is connected to described two grades of chillers, and described two grades of chillers are for right
On-condensible gas before described second exhaust pipe is discharged into described gas-liquid separator cools down further.
Methanol recovery device the most according to claim 4, it is characterised in that described two grades of chillers include the cavity closed
With the cold water pipe being located at inside it, described two grades of chillers are connected with described backflash by the second liquid back pipe；Described two grades
Chiller is connected with described gas-liquid separator by the 3rd exhaustor.
6. according to the methanol recovery device described in any one of claim 1-5, it is characterised in that the top of described letdown tank is provided with
Liquid supplementation pipe, to fill into desalted water in described letdown tank.
Methanol recovery device the most according to claim 6, it is characterised in that described discharging tube, drain pipe, the first liquid back pipe
It is respectively equipped with stop valve with on the 3rd exhaustor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620656473.1U CN205803360U (en) | 2016-06-28 | 2016-06-28 | Methanol recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620656473.1U CN205803360U (en) | 2016-06-28 | 2016-06-28 | Methanol recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205803360U true CN205803360U (en) | 2016-12-14 |
Family
ID=57506101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620656473.1U Active CN205803360U (en) | 2016-06-28 | 2016-06-28 | Methanol recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205803360U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621434A (en) * | 2016-12-26 | 2017-05-10 | 中核四0四有限公司 | Process method and device for recycling nitric acid from uranium-bearing wastewater |
| CN110582336A (en) * | 2017-12-04 | 2019-12-17 | 碳回收国际公司 | System for separating dissolved gases by distillation and stripping |
| CN115337749A (en) * | 2022-08-26 | 2022-11-15 | 河南中鸿集团煤化有限公司 | Methanol reservoir area and methanol loading VOCs gas treatment system |
| US11738317B2 (en) | 2021-01-15 | 2023-08-29 | CRI, hf | Reactor for synthesizing methanol or other products |
-
2016
- 2016-06-28 CN CN201620656473.1U patent/CN205803360U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621434A (en) * | 2016-12-26 | 2017-05-10 | 中核四0四有限公司 | Process method and device for recycling nitric acid from uranium-bearing wastewater |
| CN110582336A (en) * | 2017-12-04 | 2019-12-17 | 碳回收国际公司 | System for separating dissolved gases by distillation and stripping |
| CN110582336B (en) * | 2017-12-04 | 2021-10-22 | 碳回收国际公司 | System for separating dissolved gases by distillation and stripping |
| CN113577812A (en) * | 2017-12-04 | 2021-11-02 | 碳回收国际公司 | System and method for separating dissolved gases by distillation and stripping |
| US11628399B2 (en) | 2017-12-04 | 2023-04-18 | Cri, Ehf | System for separating gas |
| US11738317B2 (en) | 2021-01-15 | 2023-08-29 | CRI, hf | Reactor for synthesizing methanol or other products |
| CN115337749A (en) * | 2022-08-26 | 2022-11-15 | 河南中鸿集团煤化有限公司 | Methanol reservoir area and methanol loading VOCs gas treatment system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 073000 victory road, Dingzhou, Hebei, Baoding Co-patentee after: DINGZHOU TIANLU NEW ENERGY Co.,Ltd. Patentee after: Hebei Xuyang Energy Co., Ltd Address before: 073000 No. 318, military road, Dingzhou, Hebei Co-patentee before: DINGZHOU TIANLU NEW ENERGY Co.,Ltd. Patentee before: HEBEI RISUN COKING Co.,Ltd. |
|
| CP03 | Change of name, title or address |