CN216396375U

CN216396375U - Tubular reaction device for continuous nitration reaction

Info

Publication number: CN216396375U
Application number: CN202122125347.7U
Authority: CN
Inventors: 李小虎; 陈晓; 刘祖锋; 姚卫
Original assignee: Jiangsu Aojie Biotechnology Co ltd
Current assignee: Jiangsu Aojie Biotechnology Co ltd
Priority date: 2021-09-04
Filing date: 2021-09-04
Publication date: 2022-04-29
Anticipated expiration: 2031-09-04

Abstract

The utility model relates to the technical field of chemical production, and discloses a tubular reaction device for continuous nitration reaction, which comprises three reaction tubes and a base, wherein the three reaction tubes are arranged right above the base, the distances between the upper reaction tube and the lower reaction tube are equal, the left side and the right side of each reaction tube are respectively connected with a material tube, the material tubes are communicated with the interiors of the reaction tubes, the material tubes of the upper reaction tube and the lower reaction tube are communicated through a connecting tube, supporting plates are vertically fixed above the base at the front end and the rear end of the left side of each reaction tube, and the left side of a middle reaction tube is rotatably connected with the supporting plates through a first rotating shaft. According to the utility model, the left side of the reaction tube is rotatably arranged at the top end of the support plate through the first rotating shaft, the right side of the reaction tube is rotatably arranged at the top of the electro-hydraulic push rod through the second rotating shaft, and the reaction tube can be driven to slightly shake up and down through the electro-hydraulic push rod, so that raw materials are in full contact reaction, and meanwhile, the reaction time is increased, and the reaction is full.

Description

Tubular reaction device for continuous nitration reaction

Technical Field

The utility model relates to the technical field of chemical production, in particular to a tubular reaction device for continuous nitration reaction.

Background

At present, in the chemical industry field, the continuous nitration reaction can be often used to carry out the production and processing operation to industrial chemicals, can adopt the tubular reaction unit of continuous nitration reaction to produce among the prior art, and the tubular reaction unit of continuous nitration reaction of prior art is the product of constantly taking out of continuous addition raw materials and other end when using.

In the continuous nitration reaction process, the mutual reaction of liquid and solid chemicals is involved, the tubular reaction device is horizontally and transversely arranged, in the reaction process, the interaction time between raw materials is difficult to control, and the condition that the reaction is insufficient due to insufficient raw material action is easy to occur. Therefore, we propose a tubular reaction apparatus for continuous nitration reactions.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tubular reaction device for continuous nitration reaction, wherein the left side of a reaction tube is rotatably arranged at the top end of a support plate through a first rotating shaft, the right side of the reaction tube is rotatably arranged at the top of an electro-hydraulic push rod through a second rotating shaft, the reaction tube can be driven to slightly shake up and down through the electro-hydraulic push rod, so that raw materials are in full contact reaction, the reaction time is increased, the reaction is full, and the problems in the background art are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a tubular reaction device for continuous nitration reaction comprises three reaction tubes and a base, wherein the three reaction tubes are arranged right above the base, and the distances between the upper reaction tube and the lower reaction tube are equal;

the left side and the right side of reaction tube all are connected with the material pipe, the inside intercommunication of material pipe and reaction tube, through the connecting pipe intercommunication between the material pipe of the adjacent reaction tube in top and below, the vertical extension board that is fixed with in base top of reaction tube left side front end and rear end, first pivot and extension board rotatable coupling are passed through to the left side of middle reaction tube, all there is electric liquid push rod on the base of reaction tube right side front end and rear end through the hinge mounting, the right side surface rotatable coupling of second pivot and middle reaction tube is passed through to electric liquid push rod's top, the end of left side top material pipe and right side below material pipe all is connected with first joint through first corrugated metal tubing, the left side top of top reaction tube and the right side below of below reaction tube all are connected with the heat medium pipe, heat medium pipe and the inside intercommunication of reaction tube, and the end of heat medium pipe is connected with the second through second corrugated metal tubing.

In a preferred embodiment of the present invention, the left and right sides of the reaction tubes are fixed by a connecting rod, and the connecting rod is connected between the reaction tubes by welding.

In a preferred embodiment of the present invention, the connection pipe is connected to the feeding pipe of the reaction pipe by a flange, and the flange is connected to the ends of the connection pipe and the feeding pipe.

As a preferred embodiment of the utility model, the support plate is vertically arranged on the surface of the base, and the bottom of the support plate is fixed on the surface of the base by welding.

As a preferred embodiment of the present invention, the electro-hydraulic push rod is electrically connected to an external control device through a wire.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the tubular reaction device for the continuous nitration reaction, the left side of the reaction tube is rotatably arranged at the top end of the support plate through the first rotating shaft, the right side of the reaction tube is rotatably arranged at the top of the electro-hydraulic push rod through the second rotating shaft, the reaction tube can be driven to slightly shake up and down through the electro-hydraulic push rod, so that raw materials are in full contact reaction, and meanwhile, the reaction time is increased, so that the reaction is full.

2. According to the tubular reaction device for the continuous nitration reaction, the left side and the right side of the reaction tubes are fixed through the connecting rods, the connecting rods are connected among the reaction tubes in a welding mode, and the connecting rods connected among the adjacent reaction tubes can increase the fixing strength among the reaction tubes.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view showing the overall construction of a tubular reaction apparatus for continuous nitration reaction according to the present invention;

FIG. 2 is a schematic view of a connecting structure of a support plate and a reaction tube of the tubular reaction apparatus for continuous nitration reaction according to the present invention;

FIG. 3 is a schematic view of the connection structure of the electrohydraulic push rod and the reaction tube of the tubular reaction device for continuous nitration reaction of the present invention.

In the figure: 1. a reaction tube; 2. a base; 3. a first joint; 4. a first metal bellows; 5. a material pipe; 6. a second metal bellows; 7. a second joint; 8. a heat medium pipe; 9. a first rotating shaft; 10. a second rotating shaft; 11. a connecting pipe; 12. a flange; 13. a support plate; 14. a hinge; 15. an electro-hydraulic push rod; 16. a connecting rod.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the utility model is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-3, the present invention provides a technical solution: a tubular reaction device for continuous nitration reaction comprises three reaction tubes 1 and a base 2, wherein the three reaction tubes 1 are arranged right above the base 2, and the distances between the adjacent reaction tubes 1 are equal;

the left side and the right side of the reaction tube 1 are both connected with material tubes 5, the material tubes 5 are communicated with the interior of the reaction tube 1, the material tubes 5 of the adjacent reaction tubes 1 above and below are communicated through a connecting tube 11, a support plate 13 is vertically fixed above a base 2 at the front end and the rear end of the left side of the reaction tube 1, the left side of the middle reaction tube 1 is rotatably connected with the support plate 13 through a first rotating shaft 9, electrohydraulic push rods 15 are respectively installed on the bases 2 at the front end and the rear end of the right side of the reaction tube 1 through hinges 14, the tops of the electrohydraulic push rods 15 are rotatably connected with the right side surface of the middle reaction tube 1 through a second rotating shaft 10, the ends of the material tubes 5 above the left side and the material tubes 5 below the right side are both connected with a first connector 3 through a first metal corrugated tube 4, the heat medium tubes 8 are respectively connected above the left side of the reaction tube 1 above and below the right side of the reaction tube 1, and the heat medium tubes 8 are communicated with the interior of the reaction tube 1, and the end of the heating medium pipe 8 is connected with a second joint 7 through a second metal corrugated pipe 6.

In this embodiment (see fig. 1, fig. 2 and fig. 3), the left side of the reaction tube 1 is rotatably mounted on the top of the support plate 13 through the first rotating shaft 9, and the right side of the reaction tube 1 is rotatably mounted on the top of the electro-hydraulic push rod 15 through the second rotating shaft 10, so that the reaction tube 1 can be driven by the electro-hydraulic push rod 15 to slightly swing up and down, thereby allowing the raw materials to fully contact and react, and increasing the reaction time to allow the reaction to be fully performed.

In this embodiment (see fig. 1), the left side and the right side of the reaction tube 1 are fixed by a connecting rod 16, the connecting rod 16 is connected between the reaction tubes 1 in a welding manner, the left side and the right side of the reaction tube 1 are fixed by the connecting rod 16, the connecting rod 16 is connected between the reaction tubes 1 in a welding manner, and the connecting rod 16 connected between adjacent reaction tubes 1 can increase the fixing strength between the reaction tubes 1.

In this embodiment (see fig. 1), the connecting pipe 11 is communicated with the material pipe 5 of the reaction pipe 1 through a flange 12, the flange 12 is connected to the ends of the connecting pipe 11 and the material pipe 5, and the connecting pipe 11 is connected to the material pipe 5 through the flange 12.

In this embodiment (see fig. 1), the supporting plate 13 is vertically disposed on the surface of the base 2, the bottom of the supporting plate 13 is fixed on the surface of the base 2 by welding, and the supporting plate 13 is vertically fixed on the surface of the base 2 by welding.

In this embodiment (see fig. 1), the electro-hydraulic push rod 15 is electrically connected to an external control device through a wire, and the control of the electro-hydraulic push rod 15 is realized through the external control device.

It should be noted that the present invention is a tubular reaction apparatus for continuous nitration, comprising a reaction tube 1, a base 2, a first joint 3, a first metal corrugated tube 4, a material tube 5, a second metal corrugated tube 6, a second joint 7, a heat medium tube 8, a first rotating shaft 9, a second rotating shaft 10, a connecting tube 11, a flange 12, a support plate 13, a hinge 14, an electro-hydraulic push rod 15, and a connecting rod 16, all of which are common standard components or components known to those skilled in the art, the structure and principle of which are known to those skilled in the art through technical manuals or conventional experimental methods, at the idle position of the apparatus, all of the above electrical devices, which refer to power elements, electrical devices, adaptive monitoring computers and power supplies, are connected through wires, specific connecting means should refer to the following working principle, the electrical connections between the electrical devices are completed sequentially, the detailed connection means is a technique known in the art, the following mainly introduces the working principle and process, and no description is given to the electrical control, when in operation, the material pipe 5 below the left side is connected to the material inlet pipe 5 through the first metal corrugated pipe 4 and the first joint 3, the material pipe above the left side is connected to the material outlet pipe 5 through the first metal corrugated pipe 4 and the first joint 3, the heat medium pipe 8 below the left side is connected to the heat medium input pipe through the second metal corrugated pipe 6 and the second joint 7, the heat medium pipe 8 above the left side is connected to the heat medium output pipe through the second metal corrugated pipe 6 and the second joint 7, then the heat medium and the reaction raw materials can be introduced into the reaction pipe 1 for reaction, during the reaction process, the electro-hydraulic push rod 15 on the right side can be started to drive the right side of the three reaction pipes 1 to slightly move up and down, so as to achieve the purpose of slight shaking of the reaction pipe 1, and then make fully contact reaction between the raw materials, increase reaction time simultaneously, the material that the reaction produced is discharged from material pipe 5 on the left side, and the heat medium is discharged from heat medium pipe 8 on the top, and the setting of first corrugated metal pipe 4 and second corrugated metal pipe 6 when making the pipeline be connected with material jar or heat medium pipe 8 for the normal connection between the pipeline can not be influenced in rocking of reaction pipe 1.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A tubular reaction apparatus for continuous nitration reactions, comprising a reaction tube (1) and a base (2), characterized in that: the number of the reaction tubes (1) is three, the three reaction tubes (1) are arranged right above the base (2), and the distances between the upper reaction tube (1) and the lower reaction tube (1) which are adjacent to each other are equal;

the left side and the right side of the reaction tube (1) are both connected with a material tube (5), the material tube (5) is communicated with the interior of the reaction tube (1), the material tubes (5) of the adjacent reaction tube (1) above and below are communicated through a connecting tube (11), a support plate (13) is vertically fixed above a base (2) at the front end and the rear end of the left side of the reaction tube (1), the left side of the middle reaction tube (1) is rotatably connected with the support plate (13) through a first rotating shaft (9), electrohydraulic push rods (15) are respectively installed on the bases (2) at the front end and the rear end of the right side of the reaction tube (1) through hinges (14), the top of each electrohydraulic push rod (15) is rotatably connected with the right side surface of the middle reaction tube (1) through a second rotating shaft (10), and the tail ends of the material tube (5) above the left side and the material tube (5) below the right side are both connected with a first connector (3) through a first metal corrugated pipe (4), the upper part of the left side of the upper reaction tube (1) and the lower part of the right side of the lower reaction tube (1) are both connected with a heat medium tube (8), the heat medium tube (8) is communicated with the inside of the reaction tube (1), and the tail end of the heat medium tube (8) is connected with a second joint (7) through a second metal corrugated tube (6).

2. A tubular reaction apparatus for continuous nitration reaction according to claim 1, wherein: the left side and the right side of the reaction tube (1) are fixed through a connecting rod (16), and the connecting rod (16) is connected between the reaction tubes (1) in a welding mode.

3. A tubular reaction apparatus for continuous nitration reaction according to claim 1, wherein: the connecting pipe (11) is communicated with the material pipe (5) of the reaction pipe (1) through a flange (12), and the flange (12) is connected to the tail ends of the connecting pipe (11) and the material pipe (5).

4. A tubular reaction apparatus for continuous nitration reaction according to claim 1, wherein: the support plate (13) is vertically arranged on the surface of the base (2), and the bottom of the support plate (13) is fixed on the surface of the base (2) in a welding mode.

5. A tubular reaction apparatus for continuous nitration reaction according to claim 1, wherein: the electro-hydraulic push rod (15) is electrically connected with external control equipment through a lead.