CN214973904U

CN214973904U - Tetrahydrofurfuryl alcohol production system

Info

Publication number: CN214973904U
Application number: CN202121198002.8U
Authority: CN
Inventors: 宋伟; 刘伟峰; 焦自祥; 王立军; 刘辉
Original assignee: Zhucheng Taisheng Chemical Co ltd
Current assignee: Zhucheng Taisheng Chemical Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-12-03
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a tetrahydrofurfuryl alcohol production system, including furfural holding vessel, hydrogenation jar, finished product jar, compressor, pipe pump system, medicine system and hydrogen cylinder, the pipe pump system includes first water pump, second water pump, furfural pipeline, clear water pipeline, hydrogen pipeline and finished product pipeline, furfural pipeline is installed to the bottom of furfural holding vessel, installs first water pump at furfural pipeline's intermediate position, furfural pipeline's end-to-end connection has the hydrogenation jar, installs clear water pipeline at the top central point of hydrogenation jar. Due to the adoption of the technical scheme, the beneficial effects of the utility model are that: the utility model discloses only adopt a set of hydrogenation jar just can realize tetrahydrofurfuryl alcohol's preparation, practiced thrift energy resource consumption, improved finished product productivity.

Description

Tetrahydrofurfuryl alcohol production system

Technical Field

The utility model relates to a chemical product production facility technical field, a tetrahydrofurfuryl alcohol production system specifically says so.

Background

Tetrahydrofurfuryl alcohol, also known as tetrahydrofuran-2-methanol, having the molecular formula C₅H₁₀O₂The solvent is required to be stored in a shady and ventilated place in a sealed way, is far away from a fire and a heat source, and is used as a solvent for grease, wax, resin, dye, cellulose acetate, cellulose nitrate, ethyl cellulose and the like.

The existing tetrahydrofurfuryl alcohol production system is a two-step hydrogenation preparation system, has high energy consumption and low finished product yield, and can not meet the requirements of the existing industrial production.

Disclosure of Invention

The utility model aims at providing a tetrahydrofurfuryl alcohol production system.

In order to achieve the above purpose, the technical scheme of the utility model is that: a tetrahydrofurfuryl alcohol production system, includes furfural holding vessel, hydrogenation jar, finished product jar, compressor, pipe pump system, medicine system and hydrogen cylinder, the pipe pump system includes first water pump, second water pump, furfural pipeline, clear water pipeline, hydrogen pipeline and finished product pipeline, furfural pipeline is installed to the bottom of furfural holding vessel, installs first water pump at furfural pipeline's intermediate position, furfural pipeline's end connection has the hydrogenation jar, installs clear water pipeline at the top central point of hydrogenation jar, installs medicine system in the left and right sides of clear water pipeline, installs finished product pipeline in the bottom of hydrogenation jar, is close to the top position at one side outer wall of hydrogenation jar and installs hydrogen pipeline, installs the bottle at the end of hydrogen pipeline, installs the compressor near the top position at hydrogen jar opposite side outer wall, and a second water pump is arranged on the finished product conveying pipeline, and a finished product tank is arranged at the tail end of the finished product conveying pipeline.

Preferably, the dosing system comprises a first dosing tank and a second dosing tank, and the first dosing tank and the second dosing tank are connected with the hydrogenation tank through a catalyst conveying pipeline.

Preferably, the hydrogenation tank is provided with a pressure gauge.

Preferably, a hydrogen flow rate control valve is mounted on the hydrogen delivery pipe.

Due to the adoption of the technical scheme, the beneficial effects of the utility model are that: the utility model discloses only adopt a set of hydrogenation jar just can realize tetrahydrofurfuryl alcohol's preparation, practiced thrift energy resource consumption, improved finished product productivity.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a furfural storage tank, 2, a hydrogenation tank, 3, a finished product tank, 4, a compressor, 5, a pipe pump system, 51, a first water pump, 52, a second water pump, 53, a furfural conveying pipeline, 54, a clear water conveying pipeline, 55, a hydrogen conveying pipeline, 56, a finished product conveying pipeline, 6, a dosing system, 61, a first dosing tank, 62, a second dosing tank, 63, a catalyst conveying pipeline, 7 and a hydrogen bottle.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, the utility model relates to a tetrahydrofurfuryl alcohol production system, which comprises a furfural storage tank 1, a hydrogenation tank 2, a finished product tank 3, a compressor 4, a pipe pump system 5, a dosing system 6 and a hydrogen gas cylinder 7, wherein the pipe pump system 5 comprises a first water pump 51, a second water pump 52, a furfural conveying pipeline 53, a clear water conveying pipeline 54, a hydrogen conveying pipeline 55 and a finished product conveying pipeline 56, the furfural conveying pipeline 53 is installed at the bottom of the furfural storage tank 1, the first water pump 51 is installed at the middle position of the furfural conveying pipeline 53, the hydrogenation tank 2 is connected with the end of the furfural conveying pipeline 53, the clear water conveying pipeline 54 is installed at the central position of the top of the hydrogenation tank 2, the dosing systems 6 are installed at the left side and the right side of the clear water conveying pipeline 54, the finished product conveying pipeline 56 is installed at the bottom of the hydrogenation tank 2, the hydrogen conveying pipeline 55 is installed at the position close to the top of the outer wall of one side of the hydrogenation tank 2, a hydrogen cylinder 7 is arranged at the tail end of the hydrogen conveying pipeline 55, a compressor 5 is arranged on the outer wall of the other side of the hydrogenation tank 2 close to the top, a second water pump 52 is arranged on the finished product conveying pipeline 56, and a finished product tank 3 is arranged at the tail end of the finished product conveying pipeline 56.

The dosing system 6 includes a first dosing tank 61 and a second dosing tank 62, and the first dosing tank 61 and the second dosing tank 62 are connected to the hydrogenation tank 2 through a catalyst transfer pipe 63.

The hydrogenation tank 2 is provided with a pressure gauge.

A hydrogen flow rate control valve is installed on the hydrogen conveying pipeline 55.

The working principle is as follows: the utility model discloses at the during operation, transport furfural solution to hydrogenation jar 2 through furfural pipeline 53 in from furfural holding vessel 1 through first water pump 51, pass through clear water pipeline 54 with the clear water and annotate in hydrogenation jar 2, mix with furfural solution, add two kinds of catalysts in hydrogenation jar 2 from first dosing tank 61 and second dosing tank 62 respectively, rethread hydrogen pipeline 55 constantly fills into hydrogen to hydrogenation jar 2, adjust to the target value through the atmospheric pressure of compressor 4 in with hydrogenation jar 2, after waiting to react, the finished product is by second water pump 52 through finished product pipeline 56 extract to finished product jar 3 in store can.

The foregoing is a detailed description of the present invention in connection with specific preferred embodiments, and it is not to be construed that the specific embodiments of the present invention are limited to those descriptions. To those skilled in the art to which the invention pertains, without departing from the spirit of the invention, several simple deductions or substitutions can be made, all of which should be considered as belonging to the scope of patent protection defined by the claims filed with the invention.

Claims

1. A tetrahydrofurfuryl alcohol production system, which is characterized in that: comprises a furfural storage tank (1), a hydrogenation tank (2), a finished product tank (3), a compressor (4), a pipe pump system (5), a dosing system (6) and a hydrogen cylinder (7), wherein the pipe pump system (5) comprises a first water pump (51), a second water pump (52), a furfural conveying pipeline (53), a clear water conveying pipeline (54), a hydrogen conveying pipeline (55) and a finished product conveying pipeline (56), the furfural conveying pipeline (53) is installed at the bottom of the furfural storage tank (1), the first water pump (51) is installed at the middle position of the furfural conveying pipeline (53), the end of the furfural conveying pipeline (53) is connected with the hydrogenation tank (2), the clear water conveying pipeline (54) is installed at the central position of the top of the hydrogenation tank (2), the dosing system (6) is installed at the left side and the right side of the clear water conveying pipeline (54), and the finished product conveying pipeline (56) is installed at the bottom of the hydrogenation tank (2), the hydrogen gas production device is characterized in that a hydrogen gas conveying pipeline (55) is arranged on the outer wall of one side of the hydrogenation tank (2) close to the top, a hydrogen gas cylinder (7) is arranged at the tail end of the hydrogen gas conveying pipeline (55), a compressor (4) is arranged on the outer wall of the other side of the hydrogenation tank (2) close to the top, a second water pump (52) is arranged on the finished product conveying pipeline (56), and a finished product tank (3) is arranged at the tail end of the finished product conveying pipeline (56).

2. A tetrahydrofurfuryl alcohol production system according to claim 1, wherein: the dosing system (6) comprises a first dosing box (61) and a second dosing box (62), and the first dosing box (61) and the second dosing box (62) are connected with the hydrogenation tank (2) through a catalyst conveying pipeline (63).

3. A tetrahydrofurfuryl alcohol production system according to claim 1, wherein: and a pressure gauge is arranged on the hydrogenation tank (2).

4. A tetrahydrofurfuryl alcohol production system according to claim 1, wherein: and a hydrogen flow rate and flow control valve is arranged on the hydrogen conveying pipeline (55).