CN220609153U

CN220609153U - Crude methanol rectifying device

Info

Publication number: CN220609153U
Application number: CN202322256899.0U
Authority: CN
Inventors: 朱海洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-03-19
Anticipated expiration: 2033-08-22

Abstract

The utility model relates to a crude methanol rectifying device, which belongs to the technical field of crude methanol rectifying, and comprises a raw material storage tank, wherein the raw material storage tank is rotationally connected with a feeding pipe through threads, the feeding pipe is rotationally connected with a valve body through threads, the valve body is connected with a valve, the raw material storage tank is connected with a preheating device through a pipeline, and the preheating device is connected with a rectifying tower through a first conveying pipeline. The feeding amount of the fed crude methanol can be controlled by arranging the raw material pump, the feeding rate of the raw material can be controlled by changing the rate of the pump, and the raw material is firstly heated to a certain temperature by arranging the preheating device and then secondarily heated in the distillation tower, so that the rectification rate is improved.

Description

Crude methanol rectifying device

Technical Field

The utility model relates to the technical field of crude methanol rectifying devices, in particular to a crude methanol rectifying device.

Background

Methanol is the simplest aliphatic alcohol, which is an important chemical basic material and clean liquid fuel, is widely applied to chemical industries such as organic synthesis, dyes, medicines, pesticides, paints, transportation, national defense and the like and energy industries, is the only chemical synthesized on a large scale from coal through gasification and natural gas reforming except synthetic ammonia, and is an important monocarbonate basic product and an organic chemical raw material.

According to the search, a methanol rectifying device is disclosed in Chinese patent publication 202320792407.7, and comprises a rectifying tower, a plurality of reaction trays are uniformly distributed in the rectifying tower along the axial direction of the rectifying tower, each reaction tray comprises a lower plate, an intermediate plate is fixedly arranged in the rectifying tower above the lower plate, an upper plate is fixedly arranged in the rectifying tower above the intermediate plate, a weir plate is fixedly arranged at the left end of the intermediate plate, the front side and the rear side of the weir plate are fixedly connected with the rectifying tower, the upper plate, the intermediate plate, the weir plate and the lower plate form an S-shaped channel in the rectifying tower, a plurality of baffles are uniformly distributed and fixedly arranged in the longitudinal direction of the right end of the weir plate, a liquid collecting cavity is formed between two adjacent baffles, overflow plates are fixedly arranged in the right end of the liquid collecting cavity, a plurality of riser pipes are fixedly arranged in the liquid collecting cavity, and the lower ends of the riser pipes penetrate through the lower plate. According to the utility model, the overflow plate is arranged in the liquid collecting cavity, so that liquid phase can be reserved in the liquid collecting cavity.

However, the prior art patents suffer from the following drawbacks:

the methanol rectifying device cannot control the feeding amount and the feeding rate of crude methanol raw materials, cannot store rectified methanol, and cannot store impurities generated in the rectifying process.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a crude methanol rectifying device, which solves the problems that the rectified methanol cannot be stored and impurities generated in the rectifying process cannot be stored due to the adding amount and adding rate of crude methanol raw materials.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: including raw materials storage jar, its characterized in that: raw materials storage jar has the inlet pipe through screw thread swivelling joint, the inlet pipe has the valve body through screw thread swivelling joint, the valve body is connected with the valve, raw materials storage jar has preheating device through the pipe connection, preheating device is connected with the rectifying column through first conveying pipeline, the rectifying column is connected with miscellaneous material storage jar through the second conveying pipeline, preheating device has the steam transmission pipe through screw thread swivelling joint.

As a preferred embodiment of the present utility model, the rectifying tower is rotatably connected to a condenser by screw threads.

As a preferable mode of the utility model, the condenser is connected with the concentrate storage tank through threads, and the condenser is connected with the gas pipe valve through threads.

In a preferred embodiment of the present utility model, the impurity storage tank is rotatably connected to an impurity discharge pipe by a screw, and the concentrate storage tank is rotatably connected to a concentrate discharge pipe by a screw.

In one preferred embodiment of the present utility model, the raw material storage tank is fixedly connected to the first detector by a bolt, and the concentrate storage tank is fixedly connected to the second detector by a bolt.

In one preferred embodiment of the present utility model, the rectifying tower is fixedly connected with a temperature sensor through bolts.

In a preferred embodiment of the present utility model, the preheating device is fixed with a first heating device by bolts, and the rectifying tower is fixed with a second heating device by bolts.

In a preferred embodiment of the present utility model, the preheating device is fixed with a flow detector by a bolt, and the raw material storage tank is fixed with a pressure release valve by a bolt.

(III) beneficial effects

The utility model provides a crude methanol rectifying device, which has the following beneficial effects:

1. according to the crude methanol rectifying device, the raw material pump is arranged to control the feeding amount of the fed crude methanol, and the feeding rate of the raw material can be controlled by changing the rate of the pump.

2. According to the crude methanol rectifying device, the preheating device is arranged, the raw materials are heated to a certain temperature, and then are heated for the second time after entering the distillation tower, so that the rectifying rate is improved.

3. According to the crude methanol rectifying device, the sensor is arranged in the tank body, so that the material quantity in the tank body is monitored at any time, and the phenomenon of overfilling and damage to the device are prevented.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the main structure of the present utility model;

FIG. 3 is a right schematic view of the present utility model;

in the figure: 1. a valve; 2. a feed pipe; 3. a first detector; 4. a raw material storage tank; 5. a pressurizing pump; 6. a first heating device; 7. a first feed delivery tube; 8. a valve body; 9. a second heating device; 10. a rectifying tower; 11. a second feed delivery tube; 12. a sundry material storage tank; 13. a miscellaneous material discharge pipe; 14. a concentrate storage tank; 15. a concentrate discharge pipe; 16. a second detector; 17. a condenser; 18. a gas pipe valve; 19. a temperature sensor; 20. a steam transfer tube; 21. a preheating device; 22. a flow detector; 23. and a pressure release valve.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. 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.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a crude methanol rectifying device, includes raw materials storage jar 4, raw materials storage jar 4 has inlet pipe 2 through screw thread swivelling joint, inlet pipe 2 has valve body 8 through screw thread swivelling joint, valve body 8 is connected with valve 1, raw materials storage jar 4 has preheating device 21 through the pipe connection, preheating device 21 is connected with rectifying column 10 through first conveying pipeline 7, rectifying column 10 is connected with miscellaneous material storage jar 12 through second conveying pipeline 11, preheating device 21 has vapor transmission pipe 20 through screw thread swivelling joint.

In the specific embodiment of the utility model, a feed pipe 2 is rotatably connected with a raw material storage tank 4 in a threaded manner and used for feeding materials, a valve body 8 is rotatably connected with the feed pipe 2, a valve 1 is connected with the valve body 8 and used for controlling the feeding and entering flow rate of the raw materials, a preheating device 21 is connected with the raw material storage tank 4, preheating is carried out by the preheating device 21, the raw material storage tank is helpful for improving the rectification rate when entering a rectification tower 10, the rectification time is shortened, a sundry material storage tank 12 is connected with the rectification tower 10 through a second conveying pipe 11 and used for storing rectified impurities, a steam transmission pipe 20 is connected with the preheating device 21, and generated steam enters the rectification tower 10.

Specifically, the rectifying tower 10 is rotatably connected with a condenser 17 through threads.

In order to solve the problem of the liquefaction of the steam of the rectification material, as shown in fig. 1, the rectification tower 10 is rotatably connected with a condenser 17 through threads, and the high-temperature steam is condensed into a liquid state through the condenser 17, so that the storage and the transportation are facilitated.

Specifically, the condenser 17 is connected with the concentrate storage tank 14 through threads, and the condenser 17 is connected with the gas pipe valve 18 through threads.

In order to solve the problem of liquid concentrate storage, as shown in fig. 1, a concentrate storage tank 14 is connected to the condenser 17 for storing liquid concentrate, and a gas pipe valve 18 is connected to the condenser 17 for controlling whether gas passes through the condenser 17.

Specifically, the impurity storage tank 12 is rotatably connected with an impurity discharge pipe 13 through threads, and the fine material storage tank 14 is rotatably connected with a fine material discharge pipe 15 through threads.

In order to solve the problem of the full storage of the impurity and the concentrate, as shown in fig. 1, the impurity storage tank 12 is connected with an impurity discharge pipe 13, and when the impurity storage tank 12 is full, the impurity storage tank 13 is used for discharging or transferring, and when the concentrate storage tank 14 is full, the impurity storage tank 15 is used for discharging or transferring.

Specifically, the raw material storage tank 4 is fixedly connected with the first detector 3 through a bolt, and the concentrate storage tank 14 is fixedly connected with the second detector 16 through a bolt.

In order to solve the problem that the storage tank is full of materials, as shown in fig. 1, a first detector 3 is connected to a raw material storage tank 4, a valve 1 is closed when excessive materials are detected, continuous conveying of the raw materials is stopped, a second detector 16 is connected to a fine material storage tank 14, and discharging or transferring is timely carried out when excessive materials are detected.

Specifically, the rectifying tower 10 is fixedly connected with a temperature sensor 19 through bolts.

In order to solve the problem of temperature monitoring in the rectifying tower, as shown in fig. 1, the rectifying tower 10 is connected with a temperature sensor 19, and the temperature in the rectifying tower 10 is monitored constantly, so that the condition that the rectifying temperature cannot be reached and raw materials are wasted is prevented.

Specifically, the preheating device 21 is fixed with the first heating device 6 through bolts, and the rectifying tower 10 is fixed with the second heating device 9 through bolts.

In order to solve the heating problem, as shown in fig. 1, a first heating device 6 is fixed to the preheating device 21, and a second heating device 9 is fixed to the rectifying tower 10 for heating the raw material.

Specifically, the preheating device 21 is fixed with a flow detector 22 by bolts, and the raw material storage tank 4 is fixed with a pressure release valve 23 by bolts.

In order to solve the problem of raw material intake, as shown in fig. 1, a flow detector 22 is fixed on a preheating device 21 for monitoring raw material intake, and a pressure release valve 23 is fixed on a raw material storage tank 4 to prevent the tank from explosion due to excessive pressure.

Detailed descriptions of known functions and known components are omitted in the specific embodiments of the present disclosure, and the operating means adopted to ensure compatibility of the device are consistent with the parameters of the commercial instruments.

In summary, the working principle and the use flow of the utility model are as follows: the raw material storage tank 4 is rotationally connected with a feed pipe 2 through threads and is used for feeding materials, the feed pipe 2 is rotationally connected with a valve body 8, the valve body 8 is connected with a valve 1 and is used for controlling the feeding and feeding flow rate of raw materials, the raw material storage tank 4 is connected with a preheating device 21 and is preheated through the preheating device 21, the feeding into the rectifying tower 10 is helpful for improving the rectifying rate and shortening the rectifying time, the rectifying tower 10 is connected with a sundry material storage tank 12 through a second conveying pipe 11 and is used for storing rectified impurities, the preheating device 21 is connected with a steam transmission pipe 20, generated steam enters the rectifying tower 10, the rectifying tower 10 is connected with a condenser 17, high-temperature steam is condensed into a liquid state through the condenser 17 and is helpful for storage and transportation, the condenser 17 is connected with a refined material storage tank 14 and is used for storing liquid refined materials, the condenser 17 is connected with a gas pipe valve 18, for controlling whether the gas passes through the condenser 17, the impurity storage tank 12 is connected with an impurity discharge pipe 13, when the impurity storage tank 12 is full, the impurity discharge pipe 13 is used for discharging or transferring, when the impurity storage tank 14 is full, the impurity discharge pipe 15 is used for discharging or transferring, the raw material storage tank 4 is connected with a first detector 3, when the excessive material is detected, the valve 1 is closed, the continuous conveying of the raw material is stopped, the impurity storage tank 14 is connected with a second detector 16, when the excessive material is detected, the discharging or transferring is timely carried out, the rectifying tower 10 is connected with a temperature sensor 19, the temperature in the rectifying tower 10 is monitored constantly, the condition that the waste of the raw material cannot be reached due to the rectifying temperature is prevented, the preheating device 21 is fixed with a first heating device 6, the rectifying tower 10 is fixed with a second heating device 9 for heating the raw material, the preheating device 21 is fixed with a flow detector 22, for monitoring raw materials entering quantity, raw materials storage jar 4 is fixed with relief valve 23, prevents that the jar body from appearing the condition of too big explosion of pressure.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a crude methanol rectifying device, includes raw materials storage jar (4), its characterized in that: raw materials storage jar (4) are connected with inlet pipe (2) through screw thread swivelling joint, inlet pipe (2) are connected with valve body (8) through screw thread swivelling joint, valve body (8) are connected with valve (1), raw materials storage jar (4) are connected with preheating device (21) through the pipe connection, preheating device (21) are connected with rectifying column (10) through first conveying pipeline (7), rectifying column (10) are connected with miscellaneous material storage jar (12) through second conveying pipeline (11), preheating device (21) are connected with steam transmission pipe (20) through screw thread swivelling joint.

2. A crude methanol rectification apparatus as set forth in claim 1, wherein: the rectifying tower (10) is rotationally connected with a condenser (17) through threads.

3. A crude methanol rectification apparatus as claimed in claim 2, wherein: the condenser (17) is connected with a concentrate storage tank (14) through threads, and the condenser (17) is connected with a gas pipe valve (18) through threads.

4. A crude methanol rectification apparatus as set forth in claim 3, wherein: the impurity storage tank (12) is connected with an impurity discharge pipe (13) through screw threads in a rotating manner, and the fine material storage tank (14) is connected with a fine material discharge pipe (15) through screw threads in a rotating manner.

5. The crude methanol rectifying unit as set forth in claim 4, wherein: the raw material storage tank (4) is fixedly connected with the first detector (3) through a bolt, and the concentrate storage tank (14) is fixedly connected with the second detector (16) through a bolt.

6. A crude methanol rectification apparatus as set forth in claim 1, wherein: the rectifying tower (10) is fixedly connected with a temperature sensor (19) through bolts.

7. A crude methanol rectification apparatus as set forth in claim 1, wherein: the preheating device (21) is fixedly provided with a first heating device (6) through bolts, and the rectifying tower (10) is fixedly provided with a second heating device (9) through bolts.

8. The crude methanol rectification apparatus as set forth in claim 7, wherein: the preheating device (21) is fixedly provided with a flow detector (22) through a bolt, and the raw material storage tank (4) is fixedly provided with a pressure relief valve (23) through a bolt.