CN210045222U

CN210045222U - Alkylation reaction waste heat recovery utilizes device

Info

Publication number: CN210045222U
Application number: CN201920542211.6U
Authority: CN
Inventors: 叶蕾; 李兆忠; 王怀鑫
Original assignee: Guangdong Jinyu Material Technology Co ltd
Current assignee: Guangdong Huajinda New Material Technology Co ltd
Priority date: 2019-04-21
Filing date: 2019-04-21
Publication date: 2020-02-11
Anticipated expiration: 2029-04-21

Abstract

The utility model belongs to the technical field of mechanical equipment technique and specifically relates to an alkylation reaction waste heat recovery utilizes device, it includes first reation kettle, second reation kettle and a heat exchanger, first reation kettle is equipped with first inlet pipe and first discharging pipe, the second reation kettle is equipped with second inlet pipe and second discharging pipe, the first inlet of heat exchanger passes through the first discharging pipe of pipeline connection first reation kettle and the second discharging pipe of second reation kettle respectively, the second discharge gate of heat exchanger passes through the pipeline and connects the first inlet pipe of first reation kettle and the second inlet pipe of second reation kettle respectively; except that the material of the first reaction is not heated, other materials are heated by the material of the previous reaction when entering the reaction kettle, no extra energy is input in the whole process, the effect of energy conservation and emission reduction is achieved, and the reaction rate is improved by preheating the material entering the reaction kettle.

Description

Alkylation reaction waste heat recovery utilizes device

Technical Field

The utility model belongs to the technical field of mechanical equipment technique and specifically relates to an alkylation reaction waste heat recovery utilizes device.

Background

Alkylation reactions are known to be exothermic and further preheating the feed prior to reaction can increase the reaction rate. The existing production equipment can be additionally provided with a preheating device at the feed end of the reaction kettle in order to improve the production efficiency, the material is preheated, a heat radiating device is additionally arranged at the discharge end of the reaction, and the material after the reaction is convenient to reduce the temperature and enter the next procedure.

The defects of the prior art are as follows: preheating consumes energy, and heat dissipation dissipates heat, resulting in increased production costs.

Disclosure of Invention

To the not enough of prior art, the utility model provides an alkylation reaction of energy saving preheats utilizes system.

The technical scheme of the utility model is that:

the utility model provides an alkylation reaction waste heat recovery utilizes device which characterized in that: it includes first reation kettle, second reation kettle and a heat exchanger, first reation kettle is equipped with first inlet pipe and first discharging pipe, second reation kettle is equipped with second inlet pipe and second discharging pipe, the first discharging pipe of first reation kettle and second reation kettle's second discharging pipe is connected respectively through the pipeline to the first feed inlet of heat exchanger, the first inlet pipe of first reation kettle and the second inlet pipe of second reation kettle are connected respectively through the pipeline to the second discharge gate of heat exchanger, and during the use, the second feed inlet of heat exchanger is as the entrance point of material access device, and the first discharge gate of heat exchanger is as the exit end of material eduction gear.

The heat exchanger comprises a first feed port, a second feed port, a first discharge port, a second discharge port, an installation frame, a first heat exchange tube and a second heat exchange tube, wherein the first feed port is welded at the upper left of the installation frame, the second feed port is welded at the upper right of the installation frame, the second discharge port is welded at the lower left of the installation frame, the first discharge port is welded at the lower right of the installation frame, the first feed port is communicated with the two first heat exchange tubes, the second feed port is communicated with the three second heat exchange tubes, the first heat exchange tubes and the second heat exchange tubes are mutually wound into a spiral shape, the lower ends of the first heat exchange tubes are communicated with the first discharge port, and the lower ends of the second heat exchange tubes.

Specifically, the first heat exchange tube and the second heat exchange tube have the same tube diameter.

Specifically, the mounting frame overcoat is equipped with the cover that keeps warm, reduces the heat and scatters and does benefit to the heat transfer.

Specifically, the pipeline connecting the heat exchanger and the first reaction kettle or the second reaction kettle is a heat insulation pipeline.

The utility model discloses a theory of operation:

the material enters a reaction kettle for reaction, and a large amount of heat energy is generated because the alkylation reaction is an exothermic reaction; the reacted materials are discharged from the reaction kettle and pass through the heat exchanger, and the materials newly entering the device are conducted with heat by the reacted high-temperature materials at the heat exchanger, so that the temperature is increased, and the reacted materials are cooled.

The utility model has the advantages that: except that the material of the first reaction is not heated, all the other materials are heated by the material of the previous reaction when entering the reaction kettle, no extra energy is input in the whole process, the energy-saving and emission-reducing effects are achieved, the reaction rate is improved by preheating the material entering the reaction kettle, and the time and the process of subsequent heat dissipation are saved by cooling the discharged material.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a structural schematic of the heat exchanger of the present invention.

In the figure, 1, a first reaction kettle; 2. a second reaction kettle; 3. a heat exchanger; 11. a first feed tube; 12. a first discharge pipe; 21. a second feed tube; 22. a second discharge pipe; 31. a first feed port; 32. a second feed port; 33. a first discharge port; 34. a second discharge port; 311. a first heat exchange tube; 321. a second heat exchange tube.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in fig. 1-2, an alkylation reaction waste heat recycling device includes a first reaction vessel 1, a second reaction vessel 2 and a heat exchanger 3, the first reaction vessel 1 is provided with a first feeding pipe 11 and a first discharging pipe 12, the second reaction vessel 2 is provided with a second feeding pipe 21 and a second discharging pipe 22, a first feeding port 31 of the heat exchanger 3 is connected with the first discharging pipe 12 of the first reaction vessel 1 and the second discharging pipe 22 of the second reaction vessel 2 through pipelines respectively, a second discharging port 34 of the heat exchanger 3 is connected with the first feeding pipe 11 of the first reaction vessel 1 and the second feeding pipe 21 of the second reaction vessel 2 through pipelines respectively, during use, the second feeding port 32 of the heat exchanger 3 is used as an inlet end of a material inlet device, and a first discharging port 33 of the heat exchanger 3 is used as an outlet end of a material outlet device.

The heat exchanger 3 comprises a first feed port 31, a second feed port 32, a first discharge port 33, a second discharge port 34, an installation frame, a first heat exchange tube 311 and a second heat exchange tube 321, wherein the first feed port 31 is welded at the upper left of the installation frame, the second feed port 32 is welded at the upper right of the installation frame, the second discharge port 34 is welded at the lower left of the installation frame, the first discharge port 33 is welded at the lower right of the installation frame, the first feed port 31 is communicated with the two first heat exchange tubes 311, the second feed port 32 is communicated with the three second heat exchange tubes 321, the first heat exchange tubes 311 and the second heat exchange tubes 321 are mutually wound to form a spiral shape, the lower ends of the first heat exchange tubes 311 are communicated with the first discharge port 33, and the lower ends of the second heat.

The first heat exchange pipe 311 and the second heat exchange pipe 321 have the same pipe diameter.

And a thermal cover is sleeved outside the mounting frame.

And the pipelines for connecting the heat exchanger 3 and the first reaction kettle 1 or the second reaction kettle 2 are all heat-insulating pipelines.

The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides an alkylation reaction waste heat recovery utilizes device which characterized in that: it includes first reation kettle (1), second reation kettle (2) and a heat exchanger (3), first reation kettle (1) is equipped with first inlet pipe (11) and first discharging pipe (12), second reation kettle (2) are equipped with second inlet pipe (21) and second discharging pipe (22), first discharging pipe (12) of first reation kettle (1) and second discharging pipe (22) of second reation kettle (2) are connected respectively through the pipeline in first feed inlet (31) of heat exchanger (3), first inlet pipe (11) of first reation kettle (1) and second inlet pipe (21) of second reation kettle (2) are connected respectively through the pipeline in second discharge gate (34) of heat exchanger (3).

2. The alkylation reaction waste heat recovery and utilization device according to claim 1, characterized in that: the heat exchanger (3) comprises a first feed port (31), a second feed port (32), a first discharge port (33), a second discharge port (34), an installation frame, a first heat exchange pipe (311) and a second heat exchange pipe (321), a first feeding hole (31) is welded at the upper left of the mounting frame, a second feeding hole (32) is welded at the upper right of the mounting frame, a second discharging hole (34) is welded at the lower left of the mounting frame, a first discharging hole (33) is welded at the lower right of the mounting frame, the first feed inlet (31) is communicated with two first heat exchange tubes (311), the second feed inlet (32) is communicated with three second heat exchange tubes (321), the first heat exchange pipe (311) and the second heat exchange pipe (321) are mutually wound into a spiral shape, and the lower end of the first heat exchange tube (311) is communicated with the first discharge hole (33), and the lower end of the second heat exchange tube (321) is communicated with the second discharge hole (34).

3. The alkylation reaction waste heat recovery and utilization device according to claim 2, characterized in that: the first heat exchange tube (311) and the second heat exchange tube (321) are the same in tube diameter.

4. The alkylation reaction waste heat recovery and utilization device according to claim 3, characterized in that: and a thermal cover is sleeved outside the mounting frame.

5. The alkylation reaction waste heat recovery and utilization device according to claim 4, characterized in that: and the pipelines for connecting the heat exchanger (3) and the first reaction kettle (1) or the second reaction kettle (2) are all heat-insulating pipelines.