Methanol distillation extraction device
By improving the condenser piping and adding sight glasses and valve lines, and combining temperature detectors to control pneumatic valves, the high cost and safety hazards of the methanol distillation unit were solved, achieving efficient methanol recovery and safe production.
Patent Information
- Application Number
- CN202520038423.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-08
AI Technical Summary
Existing methanol distillation units suffer from high costs, significant waste, and potential safety hazards.
By improving the condenser piping and adding sight glasses and valve lines, closed-loop recovery of methanol distillation is achieved. Temperature detectors are used to control pneumatic valves to ensure condensation reflux and safe production.
This improved methanol yield, reduced waste, ensured production safety, lowered costs, and achieved safe production.
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Figure CN223668679U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to distillation extraction technical field especially relates to a kind of methanol distillation extraction devices. BACKGROUND
[0002] Methanol is colorless, transparent, flammable and toxic, which is an important organic chemical raw material and high-quality fuel. Industrial methanol has a wide range of applications, and in addition to being a good solvent for many organic substances, it is mainly used in the industrial production of synthetic fibers, formaldehyde, plastics, medicines, pesticides, dyes, synthetic proteins, etc. It is a basic organic chemical raw material. Usually, the extraction of methanol is carried out by distillation of methanol raw materials in a distillation column. The methanol gas obtained by distillation forms a liquid after cooling, and the extraction of methanol is completed. In order to facilitate the collection of methanol after extraction.
[0003] Currently, methanol distillation mostly uses a methanol rectifying column, which is large in size and high in cost. To improve the yield and reduce waste, a methanol distillation extraction device is proposed, which uses warming distillation and switches the condenser and the collection methanol pneumatic valve to realize the production of methanol distillation recovery, thereby improving the yield and reducing waste. By modifying the condenser pipeline and adding sight glasses and valve pipelines, normal condensation reflux can be ensured while recycling, the environment is protected, the recovery port is completely sealed, safety hazards in production are solved, and safe production is ensured. SUMMARY
[0004] The utility model provides a kind of methanol distillation extraction device, solve the problem raised in the above background, by modifying the condenser pipeline, simultaneously increase sight glass and valve pipeline, can ensure that normal condensation reflux is carried out while recycling, protect environment, and recovery port is completely in sealed condition, solve the safety hazard in production, ensure safe production.
[0005] The utility model solves the above technical problem, and the scheme is as follows: a kind of methanol distillation extraction device, including reaction kettle, gasification column filler, tail gas exhaust valve, condenser, reflux pipeline, main distillation pipeline, after distillation pipeline, sight glass, collection methanol pneumatic valve, temperature detector, vaporization column, after distillation collection pneumatic valve, methanol storage tank, after distillation storage tank, the reaction kettle is communicated with vaporization column, the vaporization column filler and temperature detector are installed at vaporization column, the vaporization column is fixedly communicated with condenser, the condenser is communicated with tail gas exhaust valve, reflux pipeline and main distillation pipeline, the main distillation pipeline is fixedly communicated with collection methanol pneumatic valve, the collection methanol pneumatic valve is communicated with methanol storage tank, the tail gas exhaust valve and reflux pipeline are communicated with vaporization column, the main distillation pipeline is communicated with after distillation pipeline, the after distillation pipeline is communicated with after distillation collection pneumatic valve, the after distillation collection pneumatic valve is fixedly communicated with after distillation storage tank, the sight glass is provided with four, four the sight glass is installed at reflux pipeline, main distillation pipeline and vaporization column respectively.
[0006] Based on the technical scheme, the utility model further can make improvement as follows.
[0007] Further, the inner wall pipeline of the condenser is arranged in a zigzag manner, so that the vaporized substance can flow in a bending manner in the condenser, thereby the vaporized substance can be subjected to condensation treatment.
[0008] Further, the condenser is fixedly connected with a cooling liquid inlet pipe and a cooling liquid outlet pipe, the cooling liquid inlet pipe and the cooling liquid outlet pipe can be communicated with the water chiller, the water chiller pumps the cooling liquid into the condenser through the cooling liquid inlet pipe, and the cooling liquid is returned to the water chiller through the cooling liquid outlet pipe, so that the circulation cooling of the condenser can be realized.
[0009] The utility model provides a kind of methanol distillation extraction device, with following advantages:
[0010] 1, the reaction kettle is inhaled from the upper mouth of condenser, and returns to the reaction kettle from the lower mouth of condenser, is condensed into recovery device by condenser, and the effect of methanol recovery is achieved according to temperature control adjustment pneumatic valve switching;
[0011] 2, distillation can be directly returned to kettle by reflux pipeline, so that the problem that methanol is not recovered due to incomplete distillation can be avoided;
[0012] 3, methanol distillation extraction device is changed by condenser pipeline, simultaneously increase sight glass and valve pipeline, can ensure that condensation return is carried out simultaneously with recovery, protect environment, and recovery port is completely in closed condition, can effectively solve the security risk in production, ensure safe production;
[0013] 4, the device structure is applied on methanol distillation extraction for the first time, material is from reaction kettle to condenser through gasification column filler, then returns to kettle through reflux pipeline, gasification column temperature is 64-68 between ℃, open collection methanol pneumatic valve, methanol is collected into methanol storage tank through pipeline. below 64 ℃ or higher than 68 ℃, close collection methanol pneumatic valve, open post-distillation collection pneumatic valve to collect post-distillation, post-distillation is collected into post-distillation storage tank through pipeline, gas is into tail gas pipeline to enter tail gas absorption, reduce cost, operation process is simple and practical, ensure workshop safe production.
[0014] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following preferred embodiments of the utility model are described in detail with reference to the drawings. The specific embodiment of the utility model is given in detail by the following examples and drawings. BRIEF DESCRIPTION OF DRAWINGS
[0015] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the present application and together with the description serve to explain the present application. In the drawings:
[0016] Figure 1 A structure schematic view of a methanol distillation extraction device provided for an embodiment of the present application.
[0017] In the drawings, the component list represented by each reference numeral is as follows:
[0018] 1, reaction kettle; 2, gasification column filler; 3, tail gas discharge valve; 4, condenser; 5, reflux pipeline; 6, main distillation pipeline; 7, post-distillation pipeline; 8, sight glass; 9, collection methanol pneumatic valve; 10, temperature detector; 11, vaporization column; 12, post-distillation collection pneumatic valve; 13, methanol storage tank; 14, cooling liquid inlet pipe; 15, cooling liquid outlet pipe; 16, post-distillation storage tank. DETAILED DESCRIPTION
[0019] The following detailed description of the application will be made with reference to the accompanying drawings. Figure 1 The principles and advantages of the present application will be described with reference to the attached drawings, which are provided merely for purposes of explanation and illustrate the principles of the present application. The description set forth herein is not intended to limit the scope of the present application, and there are several embodiments of the present application. The present application is more specifically described with reference to the following paragraphs and accompanying drawings.
[0020] It should be noted that when a component is referred to as being "on" another component, it can be directly on the other component or intervening components can also be present. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or intervening components can also be present. When a component is referred to as being "disposed on" another component, it can be directly disposed on the other component or intervening components can also be present. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.
[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this description, the terms "therefore" and "and / or" are used in their inclusive, not exclusive, sense.
[0022] As Figure 1As shown, a methanol distillation extraction device, including a reaction kettle 1, a gasification column filler 2, a tail gas exhaust valve 3, a condenser 4, a reflux pipeline 5, a main distillation pipeline 6, a post-distillation pipeline 7, a sight glass 8, a methanol collection pneumatic valve 9, a temperature detector 10, a vaporization column 11, a post-distillation collection pneumatic valve 12, a methanol storage tank 13, a post-distillation storage tank 16, the reaction kettle 1 is communicated with the vaporization column 11, the gasification column filler 2 and the temperature detector 10 are installed at the vaporization column 11, the vaporization column 11 is fixedly communicated with the condenser 4, the condenser 4 is communicated with the tail gas exhaust valve 3, the reflux pipeline 5 and the main distillation pipeline 6, the main distillation pipeline 6 is fixedly communicated with the methanol collection pneumatic valve 9, the methanol collection pneumatic valve 9 is communicated with the methanol storage tank 13, the tail gas exhaust valve 3 and the reflux pipeline 5 are communicated with the vaporization column 11, the main distillation pipeline 6 is communicated with the post-distillation pipeline 7, the post-distillation pipeline 7 is communicated with the post-distillation collection pneumatic valve 12, the post-distillation collection pneumatic valve 12 is fixedly communicated with the post-distillation storage tank 16, the sight glass 8 is provided with four, and the four sight glasses 8 are respectively installed at the reflux pipeline 5, the main distillation pipeline 6 and the vaporization column 11.
[0023] Preferably, the inner wall pipeline of the condenser 4 is arranged in a zigzag manner, so that the vaporization can flow in the condenser 4 in a bending manner, thereby the vaporization can be subjected to condensation treatment.
[0024] Preferably, the condenser 4 is fixedly communicated with a cooling liquid inlet pipe 14 and a cooling liquid outlet pipe 15, the cooling liquid inlet pipe 14 and the cooling liquid outlet pipe 15 can be communicated with a cold water machine, the cold water machine pumps the cooling liquid into the condenser 4 through the cooling liquid inlet pipe 14, and the cooling liquid is circulated back to the cold water machine through the cooling liquid outlet pipe 15, thereby the circulating cooling of the condenser 4 can be realized.
[0025] The specific working principle and use method of the utility model are as follows: the reaction kettle 1 can heat and vaporize the methanol material, the material is transmitted from the reaction kettle 1 to the condenser 4 through the gasification column filler 2 in the vaporization column 11, the coolant is pumped into the condenser 4 through the cooling liquid inlet pipe 14 by the cold water machine and is circulated and discharged through the cooling liquid outlet pipe 15, thereby the condensation effect of the condenser 4 can be ensured, the vaporization is condensed and can be circulated back to the reaction kettle 1 through the reflux pipeline 5, the temperature detector 10 can detect the temperature of the vaporization column 11, when the temperature detected by the temperature detector 10 is between 64°C-68℃, the methanol collection pneumatic valve 9 is opened, the methanol can be transmitted to the methanol storage tank 13 through the main distillation pipeline 6 and the methanol collection pneumatic valve 9 for collection, when the temperature is lower than 64℃ or higher than 68℃, the methanol collection pneumatic valve 9 is closed, the post-distillation collection pneumatic valve 12 is opened to collect the post-distillation liquid, the post-distillation liquid is transmitted to the post-distillation storage tank 16 through the post-distillation pipeline 7 and the post-distillation collection pneumatic valve 12, and the tail gas can be discharged through the tail gas exhaust valve 3.
[0026] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form; any person skilled in the art can smoothly implement the present application according to the drawings shown in the specification and the above description; however, any person skilled in the art can make slight changes, modifications and equivalent changes of the present application within the scope of the technical scheme of the present application, and the equivalent embodiments of the present application are still within the protection scope of the technical scheme of the present application.
Claims
1. A methanol distillation extraction device comprising a reactor (1), a gasification column filler (2), a tail gas discharge valve (3), a condenser (4), a reflux pipe (5), a main distillation pipe (6), a post distillation pipe (7), a sight glass (8), a methanol collection pneumatic valve (9), a temperature detector (10), a gasification column (11), a post distillation collection pneumatic valve (12), a methanol storage tank (13), a post distillation storage tank (16), characterized in that: The reaction kettle (1) is communicated with a vaporization column (11), the vaporization column filler (2) and the temperature detector (10) are installed at the vaporization column (11), the vaporization column (11) is fixedly communicated with a condenser (4), the condenser (4) is communicated with a tail gas exhaust valve (3), a reflux pipeline (5) and a main distillation pipeline (6), the main distillation pipeline (6) is fixedly communicated with a collected methanol pneumatic valve (9), the collected methanol pneumatic valve (9) is communicated with a methanol storage tank (13), the tail gas exhaust valve (3) and the reflux pipeline (5) are communicated with the vaporization column (11), the main distillation pipeline (6) is communicated with a post-distillation pipeline (7), the post-distillation pipeline (7) is communicated with a post-distillation collection pneumatic valve (12), the post-distillation collection pneumatic valve (12) is fixedly communicated with a post-distillation storage tank (16), four sight glasses (8) are arranged, and the four sight glasses (8) are respectively installed at the reflux pipeline (5), the main distillation pipeline (6) and the vaporization column (11).
2. The methanol distillation extraction apparatus according to claim 1, wherein The inner wall pipeline of the condenser (4) is arranged in a zigzag mode.
3. The methanol distillation extraction device according to claim 1, wherein The condenser (4) is fixedly communicated with a cooling liquid inlet pipe (14) and a cooling liquid outlet pipe (15).