CN219290634U - Methanol purification device - Google Patents
Methanol purification device Download PDFInfo
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- CN219290634U CN219290634U CN202221945717.XU CN202221945717U CN219290634U CN 219290634 U CN219290634 U CN 219290634U CN 202221945717 U CN202221945717 U CN 202221945717U CN 219290634 U CN219290634 U CN 219290634U
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Abstract
The utility model discloses a methanol purification device, which comprises a heat exchange water tank, a distillation tower, a condenser, a cooler and a liquid storage tank which are connected in sequence, wherein hot water for producing waste heat and condensed water of the condenser used for the distillation tower are input into the heat exchange water tank, and the waste heat is utilized to preheat crude methanol, so that the methanol purification device is energy-saving and environment-friendly; the double distillation effect of retort and distillation column can carry out purification treatment to methyl alcohol, and temperature sensor and pressure sensor's setting can carry out real-time supervision to temperature and the atmospheric pressure in the retort, and more convenient carries out accuse to the distillation temperature of methyl alcohol, makes the purification effect of methyl alcohol better, and the setting of condenser can liquefy the methyl alcohol steam into liquid, and the setting of cooler can carry out quick cooling with the methyl alcohol liquid to ensure that methyl alcohol can not volatilize to the air and flow and lose, it is more convenient.
Description
Technical Field
The utility model relates to the technical field of chemical industry, in particular to a methanol purifying device.
Background
In the methanol synthesis reaction process, because of side reaction, the prepared product contains a large amount of moisture and a trace amount of organic alcohol, ether and other impurities, commonly called crude methanol, and the crude methanol can be purified to remove the impurities by further purification to obtain refined methanol, so that the methanol distillation process is an important technological process.
On one hand, the crude methanol is heated by a boiler, the boiling point of the methanol is lower than that of other solutions, the crude methanol is heated to evaporate and is purified by condensing the crude methanol into liquid, the pressure drop of the traditional distillation tower is small, the operation elasticity is high, the distillation process is very time-consuming, the cooling effect after distillation is also poor, the rapid cooling cannot be performed, and the practicability is poor; on the other hand, the waste heat in the production is not recycled, so that the energy waste is caused.
Disclosure of Invention
The utility model aims to provide a methanol purification device which solves the problems in the prior art, and utilizes the production waste heat to preheat crude methanol, so that the device is energy-saving and environment-friendly, and has the characteristics of high purification efficiency and simplicity in operation.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a methanol purification device, which comprises
The front section of the feeding pipeline is arranged in the heat exchange water tank, and the rear end of the feeding pipeline is connected to the feeding port of the distillation tank; the heat exchange water tank is connected with a water inlet pipe and a water outlet pipe, and a hot water recovery input pipe for producing waste heat hot water input and a condensed water output pipe of the condenser are converged into the same pipeline and connected to the water inlet pipe;
the distillation device comprises a distillation tank, wherein a heating pipe is arranged in the distillation tank, and the top of the distillation tank is integrally connected with a distillation tower;
the distillation tower is internally provided with four partition boards, the partition boards divide the distillation tower into an air storage chamber, a gas-liquid separation chamber, an evaporation chamber and a top evaporation layer from bottom to top in sequence, the top of the distillation tower is connected with a steam pipe, and the steam pipe is provided with a condenser;
the condenser is connected with the cooler through a connecting pipe;
the cooler is provided with a pipeline in a connecting way below the cooler, a separator is connected to the pipeline, a return pipe and a liquid outlet pipe are connected to the separator, the other end of the return pipe is connected with the distillation tank, and the other end of the liquid outlet pipe is connected with a liquid storage tank;
and the liquid storage tank is used for collecting purified methanol.
In one embodiment, the water outlet pipe is arranged at the front end of the heat exchange water tank, the water inlet pipe is arranged at the rear end of the heat exchange water tank, and the water inlet pipe is provided with a water inlet control valve of the heat exchange water tank.
In one embodiment, a trash discharging pipe is arranged at the bottom of the distillation tank, and a control valve is arranged on the trash discharging pipe.
In one embodiment, the heating tubes are distributed in a serpentine pattern within the retort.
In one embodiment, a plurality of distillation pipes are uniformly connected in the evaporation chamber, and heating wires are connected on the distillation pipes.
In one embodiment, a plurality of slow flow plates are arranged in the cooler.
In one embodiment, the slow flow plates are arranged obliquely downwards, and a plurality of slow flow plates are distributed in a staggered manner.
In one embodiment, a temperature sensor and a pressure sensor are arranged in the distillation tank.
Compared with the prior art, the utility model has the following beneficial technical effects:
the methanol purification device comprises a heat exchange water tank, a distillation tower, a condenser, a cooler and a liquid storage tank, wherein hot water for producing waste heat and condensed water of the condenser used for the distillation tower are input into the heat exchange water tank, and the waste heat is utilized to preheat crude methanol, so that the methanol purification device is energy-saving and environment-friendly; the double distillation effect of retort and distillation column can carry out purification treatment to methyl alcohol, and temperature sensor and pressure sensor's setting can carry out real-time supervision to temperature and the atmospheric pressure in the retort, and more convenient carries out accuse to the distillation temperature of methyl alcohol, makes the purification effect of methyl alcohol better, and the setting of condenser can liquefy the methyl alcohol steam into liquid, and the setting of cooler can carry out quick cooling with the methyl alcohol liquid to ensure that methyl alcohol can not volatilize to the air and flow and lose, it is more convenient.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram showing the overall structure of a methanol purification apparatus according to an embodiment of the present utility model;
1, a heat exchange water tank; 11 feed pipes; 12, a water outlet pipe; 13 a water outlet valve of the heat exchange water tank;
2, a distillation pot; 21 feed inlet; 22 feed valve; 23 impurity removing pipes; 24 control valve; 25 heating pipes;
3 a distillation column; 31 separator; 32 air storage chambers; 33 gas-liquid separation chamber; 34 evaporation chamber; 35 top evaporation layer; 36 heating wires; 37 distillation tubes;
4 a condenser; 41 steam pipe; 42 connecting pipes; 43 condensate outlet pipe; 44 a recovery hot water input pipe; 45 heat exchange water tank water inlet control valve;
5 a cooler; 51 slow flow plate; 52 pipes;
6 a separator; 61 a liquid outlet pipe;
7, a liquid storage tank; 8, a return pipe; 9 a temperature sensor; 10 pressure sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a methanol purification device which solves the problems in the prior art, and utilizes the production waste heat to preheat crude methanol, so that the device is energy-saving and environment-friendly, and has the characteristics of high purification efficiency and simplicity in operation.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in FIG. 1, the utility model provides a methanol purification device, comprising
The front section of the feeding pipeline 11 is arranged in the heat exchange water tank 1, and the rear end of the feeding pipeline 11 is connected to a feeding port 21 of the distillation tank 2; the heat exchange water tank 1 is connected with a water inlet pipe and a water outlet pipe 12, and a recovered hot water input pipe 44 for producing waste heat hot water input and a condensed water output pipe 43 of the condenser 4 are converged into the same pipeline and connected to the water inlet pipe; hot water for producing waste heat is input into the heat exchange water tank 1 through the hot water recovery input pipe 44, condensed water of the condenser 4 used for the distillation tower 3 can also be input into the heat exchange water tank 1, the heat exchange water tank 1 is filled with hot water, crude methanol flows in the feeding pipeline 11, and the crude methanol and the hot water complete heat exchange;
the distillation device comprises a distillation tank 2, wherein a heating pipe 25 is arranged in the distillation tank 2, and a distillation tower 3 is integrally connected with the top of the distillation tank 2;
the distillation column 3, there are four baffles 31 in the distillation column 3, the baffle 31 divides the distillation column 3 into air storage chamber 32, gas-liquid separation chamber 33, evaporation chamber 34 and top evaporation layer 35 sequentially from bottom to top, the top of the distillation column 3 connects and has steam pipe 41, there are condensers 4 on the steam pipe 41;
a condenser 4, the condenser 4 being connected to the cooler 5 through a connection pipe 42;
the cooler 5, connect and have pipeline 52 below the cooler 5, connect with the separator 6 on the pipeline 52, connect with backflow 8 and drain pipe 61 on the separator 6, another end of backflow 8 connects with retort 2, another end of drain pipe 61 connects with liquid storage tank 7;
and a liquid storage tank 7, wherein the liquid storage tank 7 is used for collecting purified methanol.
In one embodiment, the water outlet pipe 12 is arranged at the front end of the heat exchange water tank 1, the water inlet pipe is arranged at the rear end of the heat exchange water tank 1, and the water inlet pipe is provided with the heat exchange water tank water inlet control valve 13. The crude methanol flows from left to right in the feed pipe 11, and the hot water in the heat exchange water tank 1 flows from right to left, and the crude methanol and the hot water complete heat exchange.
In one embodiment, the bottom of the distillation tank 2 is provided with a trash discharging pipe 23, and the trash discharging pipe 23 is provided with a control valve 24; the heating pipes 25 are distributed in a serpentine shape in the distillation tank 2.
In one embodiment, a plurality of distillation pipes 37 are uniformly connected in the evaporation chamber 34, and heating wires 36 are connected to the distillation pipes 37.
In one embodiment, a plurality of slow flow plates 51 are arranged in the cooler 5; the slow flow plates 51 are arranged obliquely downwards, and the slow flow plates 51 are distributed in a staggered manner. The slow flow plate 51 can slow down the flow rate of the methanol liquid, so that the methanol liquid can be rapidly cooled, and the practicability is better.
In the utility model, in the concrete implementation, crude methanol enters the position of a feeding pipeline 11, the feeding pipeline 11 preheats the crude methanol in a heat exchange water tank 1, the preheated crude methanol enters a distillation tank 2 from a feeding port 21, a heating pipe 4 is started to heat the crude methanol, the methanol is gasified into methanol steam by heating, the methanol steam rises into a gas storage chamber 32, then enters a gas-liquid separation chamber 33 from the gas storage chamber 32 to be condensed for the first time, then enters an evaporation chamber 34 to be gasified into the methanol steam again to be rectified, the rectified methanol steam enters a steam pipe 41 from a top evaporation layer 35, the methanol steam is liquefied into liquid by condensation of a condenser 4, the methanol liquid flows into a cooler 5 from a connecting pipe 42, the methanol liquid is cooled rapidly by reducing the flow speed by a slow flow plate 51, impurities in the methanol liquid are separated by a reflux pipe 8, the purified methanol liquid flows into the distillation tank 2 from a liquid outlet pipe 61 to be stored in a liquid storage tank 7, and the operation is simple, the purification effect is good, and the practicability is good.
It should be noted that it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (7)
1. A methanol purification device, characterized in that: comprising
The front section of the feeding pipeline is arranged in the heat exchange water tank, and the rear end of the feeding pipeline is connected to the feeding port of the distillation tank; the heat exchange water tank is connected with a water inlet pipe and a water outlet pipe, and a hot water recovery input pipe for producing waste heat hot water input and a condensed water output pipe of the condenser are converged into the same pipeline and connected to the water inlet pipe; the water outlet pipe is arranged at the front end of the heat exchange water tank, the water inlet pipe is arranged at the rear end of the heat exchange water tank, and the water inlet pipe is provided with a heat exchange water tank water inlet control valve; the hot water recovery input pipe is used for inputting hot water for producing waste heat into the heat exchange water tank, and condensed water of the condenser is also input into the heat exchange water tank through the condensed water output pipe;
the distillation device comprises a distillation tank, wherein a heating pipe is arranged in the distillation tank, and the top of the distillation tank is integrally connected with a distillation tower;
the distillation tower is internally provided with four partition boards, the partition boards divide the distillation tower into an air storage chamber, a gas-liquid separation chamber, an evaporation chamber and a top evaporation layer from bottom to top in sequence, the top of the distillation tower is connected with a steam pipe, and the steam pipe is provided with a condenser;
the condenser is connected with the cooler through a connecting pipe;
the cooler is provided with a pipeline in a connecting way below the cooler, a separator is connected to the pipeline, a return pipe and a liquid outlet pipe are connected to the separator, the other end of the return pipe is connected with the distillation tank, and the other end of the liquid outlet pipe is connected with a liquid storage tank;
and the liquid storage tank is used for collecting purified methanol.
2. The methanol purification apparatus according to claim 1, wherein: the bottom of the distillation tank is provided with a trash discharging pipe, and the trash discharging pipe is provided with a control valve.
3. The methanol purification apparatus according to claim 1, wherein: the heating pipes are distributed in a serpentine shape in the distillation tank.
4. The methanol purification apparatus according to claim 1, wherein: a plurality of distillation pipes are uniformly connected in the evaporation chamber, and heating wires are connected on the distillation pipes.
5. The methanol purification apparatus according to claim 1, wherein: a plurality of slow flow plates are arranged in the cooler.
6. The methanol purification apparatus as claimed in claim 5, wherein: the slow flow plates are obliquely downwards arranged, and a plurality of slow flow plates are distributed in a staggered mode.
7. The methanol purification apparatus according to claim 1, wherein: a temperature sensor and a pressure sensor are arranged in the distillation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221945717.XU CN219290634U (en) | 2022-07-26 | 2022-07-26 | Methanol purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221945717.XU CN219290634U (en) | 2022-07-26 | 2022-07-26 | Methanol purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219290634U true CN219290634U (en) | 2023-07-04 |
Family
ID=86984187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221945717.XU Active CN219290634U (en) | 2022-07-26 | 2022-07-26 | Methanol purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219290634U (en) |
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2022
- 2022-07-26 CN CN202221945717.XU patent/CN219290634U/en active Active
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