CN216909190U

CN216909190U - Energy-efficient methyl alcohol evaporimeter

Info

Publication number: CN216909190U
Application number: CN202220374621.6U
Authority: CN
Inventors: 周自然; 江向阳; 谷加进
Original assignee: Liuyang Kingang Chemical Industry Co ltd
Current assignee: Liuyang Kingang Chemical Industry Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-07-08
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses an efficient and energy-saving methanol evaporator which comprises an evaporator tank body, wherein a methanol feeding pipe is arranged at the bottom of the evaporator tank body, and a gas outlet is formed in the top of the evaporator tank body; the middle part of the evaporator tank body is provided with a heating pipe along the inner side wall of the evaporator tank body, and an evaporation heating pipe is arranged above the heating pipe; a methanol circulating pipe is arranged above the evaporation heating pipe; the methanol circulating pipe is provided with nozzles at intervals; the utility model aims to provide an efficient and energy-saving methanol evaporator, which can improve the evaporation efficiency of methanol and remove impurities in mixed gas.

Description

Energy-efficient methyl alcohol evaporimeter

Technical Field

The utility model belongs to the technical field of evaporator equipment, and particularly relates to a high-efficiency and energy-saving methanol evaporator.

Background

Methanol is one of the main raw materials for producing formaldehyde, and currently, formaldehyde is almost prepared by a methanol air oxidation method, and can be divided into an iron-molybdenum catalyst method and a silver catalyst method according to different types of catalysts used. About 70% of the existing formaldehyde production devices use the silver process.

The methanol evaporator is a device for evaporating liquid methanol into methanol vapor, the traditional methanol evaporator has low evaporation efficiency, and the methanol vapor formed by evaporation contains a large amount of methanol droplets and part of dust impurities in the air.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide an efficient and energy-saving methanol evaporator which can improve the evaporation efficiency of methanol and remove impurities in mixed gas.

In order to realize the purpose, the utility model adopts the technical scheme that: a high-efficiency energy-saving methanol evaporator comprises an evaporator tank body, wherein a methanol feeding pipe is arranged at the bottom of the evaporator tank body, and a gas outlet is formed in the top of the evaporator tank body; a heating pipe is arranged in the middle of the evaporator tank body along the inner side wall of the evaporator tank body, and an evaporation heating pipe is arranged above the heating pipe; a methanol circulating pipe is arranged above the evaporation heating pipe; the methanol circulating pipe is provided with nozzles at intervals; the heating pipe middle part is provided with the (mixing) shaft, the interval is provided with the puddler on the (mixing) shaft.

Further, the stirring shaft is connected with a rotating shaft, a fixing sleeve matched with the rotating shaft is arranged on the outer side of the rotating shaft, the tail end of the fixing sleeve is connected with an output shaft of a driving motor, an opening is formed in the fixing sleeve, a groove matched with the opening is formed in the rotating shaft, and an air pipe is arranged in the groove; and a sealing strip is arranged between the rotating shaft and the fixed sleeve.

Further, an exhaust pipe is arranged inside the stirring rod, a pipeline is arranged inside the stirring shaft, and the pipeline is communicated with the exhaust pipe and the air pipe; the opening is connected with the fan through an air supply pipe; exhaust holes are arranged on the stirring rod at intervals.

Further, the methanol circulating pipe is connected with a circulating pump machine 8 through a pipeline, and the circulating pump machine 8 is communicated with the bottom of the evaporator tank body through a pipeline.

Further, be provided with air heat exchanger on the air supply pipe, be provided with inlet tube and drain pipe on the evaporation heating pipe, the inlet tube is connected with the hot-water pump through the pipeline, the hot-water pump is connected with the hot-water tank through the pipeline, the drain pipe is connected with the hot-water tank through the wet return.

Furthermore, the water inlet and the water outlet of the air heat exchanger are both communicated with a water return pipe.

Furthermore, the top of the evaporator tank body is provided with a filter screen.

The utility model has the beneficial effects that: provided is a high-efficiency and energy-saving methanol evaporator which can improve the evaporation efficiency of methanol and can remove impurities in mixed gas.

1. According to the utility model, the stirring rod is arranged with the heating pipe to preheat and stir the methanol liquid in the evaporator tank, and the evaporation heating pipe is arranged to rapidly heat the nozzle to spray the methanol liquid;

2. according to the utility model, the pipelines and the exhaust pipes which are communicated with each other are arranged in the stirring shaft and the stirring rod, so that air and methanol gas can be uniformly mixed, and the evaporation of methanol liquid can be promoted;

3. according to the utility model, the air heat exchanger is arranged on the air supply pipe, so that the air in the air supply pipe can be heated, the methanol liquid in the evaporator tank can be heated, and the evaporation of the methanol liquid is promoted.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic view of a part a of fig. 1.

The text labels in the figures are represented as: 1. an evaporator tank; 2. an air heat exchanger; 3. a hot water tank; 4. a stirring shaft; 5. a fan; 6. a hot water pump; 7. a drive motor; 11. a methanol feeding pipe; 12. heating a tube; 13. evaporating and heating the tube; 14. a methanol circulation pipe; 15. a spray head; 16. a gas outlet; 17. a filter screen; 18. a circulation pump machine; 21. a gas supply pipe; 131. a water inlet pipe; 132. a drain pipe; 40. a pipeline; 41. a stirring rod; 411. an exhaust pipe; 51. a rotating shaft; 52. fixing a sleeve; 511. a groove; 512. an air tube; 521. and (4) opening.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1-2, the specific structure of the present invention is: a high-efficiency energy-saving methanol evaporator comprises an evaporator tank body 1, wherein a methanol feeding pipe 11 is arranged at the bottom of the evaporator tank body 1, and a gas outlet 16 is arranged at the top of the evaporator tank body 1; a heating pipe 12 is arranged in the middle of the evaporator tank body 1 along the inner side wall of the evaporator tank body 1, and an evaporation heating pipe 13 is arranged above the heating pipe 12; a methanol circulating pipe 14 is arranged above the evaporation heating pipe 13; the methanol circulating pipe 14 is provided with nozzles 15 at intervals; a stirring shaft 4 is arranged in the middle of the heating pipe 12, and stirring rods 41 are arranged on the stirring shaft 4 at intervals; adopt puddler 41 collocation heating pipe 12 to set up and can preheat and stir the interior methyl alcohol liquid of the evaporimeter jar body 1, the setting of evaporating heating pipe 13 simultaneously can be quick heating shower nozzle 15 blowout methyl alcohol liquid.

Preferably, the stirring shaft 4 is connected with a rotating shaft 51, a fixing sleeve 52 matched with the rotating shaft 51 is arranged outside the rotating shaft 51, the tail end of the fixing sleeve 52 is connected with an output shaft of the driving motor 7, an opening 521 is arranged in the middle of the fixing sleeve 52, a groove 511 matched with the opening 521 is arranged in the middle of the rotating shaft 51, an air pipe 512 is arranged in the groove 511, and the cross section of the air pipe 512 is in an L shape; a sealing strip is arranged between the rotating shaft 51 and the fixed sleeve 52.

Preferably, an exhaust pipe 411 is arranged inside the stirring rod 41, a pipeline 40 is arranged inside the stirring shaft 4, and the pipeline 40 is communicated with the exhaust pipe 411 and an air pipe 512; the opening 521 is connected with the fan 5 through the air supply pipe 21; the stirring rod 41 is provided with exhaust holes at intervals; the separation of the rotary shaft 51 from the fixing sleeve 52 allows the rotary shaft 51 to supply the airflow to the agitating shaft 41 while rotating.

Preferably, the methanol circulating pipe 14 is connected with a circulating pump 18 through a pipeline, the circulating pump 18 is communicated with the bottom of the evaporator tank 1 through a pipeline, and the stirring shaft 4 and the stirring rod 41 are internally provided with a pipeline 40 and an exhaust pipe 411 which are communicated with each other, so that air and methanol gas can be uniformly mixed, and the evaporation of methanol liquid can be promoted.

Preferably, the air supply pipe 21 is provided with an air heat exchanger 2, the evaporation heating pipe 13 is provided with a water inlet pipe 131 and a water outlet pipe 132, the water inlet pipe 131 is connected with the hot water pump 6 through a pipeline, the hot water pump 6 is connected with the hot water tank 3 through a pipeline, and the water outlet pipe 132 is connected with the hot water tank 3 through a water return pipe; by providing the air heat exchanger 2 in the air supply pipe 21, the air in the air supply pipe 21 can be heated, and the methanol liquid in the evaporator tank 1 can be heated, thereby promoting evaporation of the methanol liquid.

Preferably, the water inlet and the water outlet of the air heat exchanger 2 are both communicated with a water return pipe; the hot water in the hot water tank 3 can be fully utilized by supplying heat to the air heat exchanger 2 through the water return pipe.

Preferably, a filter screen 17 is arranged at the top of the evaporator tank body 1; the filter screen 17 is arranged to filter the mixed gas of methanol and air.

During the specific use, methyl alcohol liquid gets into the evaporimeter jar internal 1 through methyl alcohol inlet pipe 11, fan 5 carries out the air feed through air supply pipe 21 to the liquid of the whole evaporimeter jar internal 1 simultaneously, driving motor 7 drives (mixing) shaft 4 simultaneously and rotates the stirring to the methyl alcohol liquid in the evaporimeter jar internal 1 and make it be heated evenly, heating pipe 12 heats the methyl alcohol liquid in the evaporimeter jar internal 1 simultaneously, the circulating pump machine 18 is taken out the methyl alcohol liquid circulation in the evaporimeter jar internal 1 and is passed through shower nozzle 15 blowout then evaporation heating pipe 13 heats the methyl alcohol liquid that makes its evaporation form methyl alcohol steam, methyl alcohol steam and the air mixture of following exhaust hole then discharge through gas outlet 16 simultaneously.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the utility model using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments, or may be learned by practice of the utility model.

Claims

1. The utility model provides an energy-efficient methyl alcohol evaporimeter which characterized in that: the device comprises an evaporator tank body (1), wherein a methanol feeding pipe (11) is arranged at the bottom of the evaporator tank body (1), and a gas outlet (16) is arranged at the top of the evaporator tank body (1); a heating pipe (12) is arranged in the middle of the evaporator tank body (1) along the inner side wall of the evaporator tank body (1), and an evaporation heating pipe (13) is arranged above the heating pipe (12); a methanol circulating pipe (14) is arranged above the evaporation heating pipe (13); the methanol circulating pipe (14) is provided with spray heads (15) at intervals; the heating pipe (12) middle part is provided with (mixing) shaft (4), interval is provided with puddler (41) on (mixing) shaft (4).

2. An energy-efficient methanol evaporator as set forth in claim 1, characterized in that: the stirring shaft (4) is connected with a rotating shaft (51), a fixing sleeve (52) matched with the rotating shaft (51) is arranged on the outer side of the rotating shaft (51), the tail end of the fixing sleeve (52) is connected with an output shaft of a driving motor (7), an opening (521) is formed in the fixing sleeve (52), a groove (511) matched with the opening (521) is formed in the rotating shaft (51), and an air pipe (512) is arranged in the groove (511); and a sealing strip is arranged between the rotating shaft (51) and the fixed sleeve (52).

3. An energy-efficient methanol evaporator as set forth in claim 2, characterized in that: an exhaust pipe (411) is arranged inside the stirring rod (41), a pipeline (40) is arranged inside the stirring shaft (4), and the pipeline (40) is communicated with the exhaust pipe (411) and an air pipe (512); the opening (521) is connected with the fan (5) through an air supply pipe (21); the stirring rod (41) is provided with exhaust holes at intervals.

4. An energy-efficient methanol evaporator as set forth in claim 1, characterized in that: the methanol circulating pipe (14) is connected with a circulating pump machine (18) through a pipeline, and the circulating pump machine (18) is communicated with the bottom of the evaporator tank body (1) through a pipeline.

5. A high efficiency energy saving methanol evaporator according to claim 3, characterized in that: the air supply pipe (21) is provided with an air heat exchanger (2), the evaporation heating pipe (13) is provided with a water inlet pipe (131) and a water outlet pipe (132), the water inlet pipe (131) is connected with the hot water pump (6) through a pipeline, the hot water pump (6) is connected with the hot water tank (3) through a pipeline, and the water outlet pipe (132) is connected with the hot water tank (3) through a water return pipe.

6. An energy-efficient methanol evaporator as set forth in claim 5, characterized in that: and the water inlet and the water outlet of the air heat exchanger (2) are communicated with a water return pipe.

7. An energy-efficient methanol evaporator as set forth in claim 1, characterized in that: the top of the evaporator tank body (1) is provided with a filter screen (17).