CN216799771U

CN216799771U - Chlorination reactor

Info

Publication number: CN216799771U
Application number: CN202122820396.2U
Authority: CN
Inventors: 朱兴荣; 夏玉成; 龚位新
Original assignee: Ningbo Jinlai Chemical Co ltd
Current assignee: Ningbo Jinlai Chemical Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-06-24
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses a chlorination reactor, which comprises a heating reaction assembly, wherein a gas inlet assembly for gas to enter the heating reaction assembly is arranged on the heating reaction assembly, a preheating assembly for preheating reaction gas is arranged in the heating reaction assembly, a connecting pipe is arranged on the heating reaction assembly, and a secondary reaction tank for secondary reaction is arranged on the connecting pipe.

Description

Chlorination reactor

Technical Field

The utility model relates to the technical field of chemical production, in particular to a chlorination reactor.

Background

The reactor is a device for realizing the reaction process and is widely applied to the fields of chemical industry, oil refining, metallurgy and the like. The reactor is used for realizing a liquid phase single phase reaction process and a liquid-liquid, gas-liquid, liquid-solid, gas-liquid-solid and other multi-phase reaction processes.

In the existing chlorination reactor with the patent application number of CN200920126555.5, the specification indicates that the chlorination reactor comprises a first-stage reaction device and a second-stage reaction device, wherein the first-stage reaction device comprises a reaction barrel and a heating and heat-insulating device arranged on the reaction barrel, an air inlet and an air outlet are arranged on the reaction barrel, the second-stage reaction device also comprises a cylindrical structure, an air inlet of the second-stage reaction device and an air outlet of the second-stage reaction device are arranged on the second-stage reaction device, and the air inlet of the second-stage reaction device is communicated with the air outlet of the first-stage reaction device; the chlorination reactor adopting the structure adopts a split structure, separates the electric heating reaction starting device from the main reaction device, reduces the volume of a single structure, reduces the manufacturing difficulty, and is easy to transport and install; meanwhile, the reaction time of the mixed gas in the chlorination reactor is prolonged, so that the reaction gas is mixed more uniformly, the reaction is more complete, and the reaction capacity is stronger; because the temperature rise of the electric heater only affects the reaction cylinder of the first-level reaction device, the second-level reaction device can adopt materials with lower requirements, so that the investment of production equipment is more economic, but when gas passes through the preheating guide pipe in the first-level reaction device, the gas passes through the preheating guide pipe too fast, and a certain distance exists between the gas inlet and the preheating guide pipe, so that part of the gas possibly enters the first-level reaction device directly when entering the preheating guide pipe, and the preheating is insufficient.

To this end, we propose a chlorination reactor.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide a chlorination reactor to solve the problems set forth in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: chlorination reactor, including the heating reaction subassembly, be equipped with the subassembly that admits air that is used for gas to get into in the heating reaction subassembly on the heating reaction subassembly, be equipped with in the heating reaction subassembly and possess the subassembly that preheats that carries out preheating to reacting gas, be equipped with the connecting pipe on the heating reaction subassembly, be equipped with the secondary retort that is used for the secondary reaction on the connecting pipe.

Preferably the heating reaction assembly comprises a reaction tank, a heating coil used for heating the interior of the reaction tank is arranged on the reaction tank, and a heat preservation layer used for preserving heat after heating is arranged on the heating coil.

Preferably the air inlet assembly comprises an air inlet end, an annular pipe which is attached to the heat-insulating layer on the reaction tank is arranged on the air inlet end, a connector is arranged on the annular pipe, an air outlet end is arranged on the connector, a fixing part for fixing the annular pipe is arranged outside the annular pipe, and a secondary reaction tank air outlet pipe is arranged below the secondary reaction tank.

Preferably, the preheating assembly comprises a preheating pipe, an inlet part is arranged above the preheating pipe, an outlet part is arranged below the preheating pipe, and an air guide sheet is arranged in the preheating pipe.

Preferably, the air guide plates are arranged in an arc-shaped downward inclined mode, and the air guide plates on the two sides are alternately arranged.

Preferably, the upper inlet part and the outlet part of the preheating pipe are both provided with a small upper opening and a large lower opening.

The utility model has at least the following beneficial effects:

the annular tube is arranged outside the reaction tank, heat emitted outwards by the heating coil acts on the annular tube, reaction gas initially reacts in the annular tube and then enters the preheating tube, the gas guide sheets alternately arranged in the preheating tube increase the residence time of the gas in the preheating tube under the condition of not obstructing the gas from passing through, and the gas is sufficiently heated, compared with the prior art, when the gas passes through the preheating guide tube in the primary reaction device, the gas passes through the preheating guide tube too fast, and a certain distance exists between the gas inlet and the preheating guide tube, so that partial gas possibly enters the primary reaction device directly when the gas enters the preheating guide tube, and the preheating is insufficient, the annular tube is initially heated by utilizing the heat emitted by the heating coil on the reaction tank, and then the time of the gas in the preheating assembly is increased by the inclined gas guide sheets in the preheating tube, the preheating is fully carried out, and the preheated gas can react more fully.

Drawings

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

FIG. 2 is a schematic view of the heating reaction assembly and the preheating assembly of the present invention;

FIG. 3 is a schematic view of the air intake assembly of the present invention;

FIG. 4 is a schematic view of the structure of the connecting tube and the secondary reaction tank of the present invention.

In the figure: 1-heating the reaction assembly; 11-a reaction tank; 12-a heating coil; 13-a heat-insulating layer; 2-an air intake assembly; 21-an air inlet end; 22-a ring-shaped tube; 23-a connector; 24-an air outlet end; 25-a fixing member; 3-preheating the assembly; 31-a preheating pipe; 32-an inlet portion; 33-an outlet section; 34-air-guiding sheet; 4-connecting pipe; 5-secondary reaction tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: chlorination reactor, including heating reaction subassembly 1, be equipped with on the heating reaction subassembly 1 and be used for gaseous entering heating reaction subassembly 1 in admit air subassembly 2, heating reaction subassembly 1 is connected with admit air subassembly 2, be equipped with in the heating reaction subassembly 1 and possess preheating assembly 3 that preheats reacting gas, preheat assembly 3 and set up in heating reaction subassembly 1, be equipped with connecting pipe 4 on the heating reaction subassembly 1, be equipped with secondary retort 5 that is used for the secondary reaction on connecting pipe 4, secondary retort 5 is connected with heating reaction subassembly 1 through connecting pipe 4, and reacting gas preheats in subassembly 3 through admitting air subassembly 2 is advanced in advance, then gets into and reacts in the heating reaction subassembly 1, and then reacting gas carries out the secondary reaction in getting into secondary retort 5 through connecting pipe 4.

Heating reaction unit 1 includes retort 11, be equipped with the heating coil 12 that is used for heating in 11 retort on 11 retort, heating coil 12 sets up in 11 outer peripheral faces of retort, be equipped with on heating coil 12 and be used for the heat retaining heat preservation 13 in the heating, heat preservation 13 sets up in heating coil 12 outer lane, and the control of carrying out the temperature in retort 11 is carried out to the heat after 11 retort through heating coil 12 work, and heat preservation 13 can protect the temperature in retort 11 simultaneously, and connecting pipe 4 all is provided with heat preservation 13 with 5 outer peripheral faces of secondary reaction jar.

The gas inlet assembly 2 comprises a gas inlet end 21, an annular pipe 22 attached to a heat-insulating layer 13 on the reaction tank 11 is arranged on the gas inlet end 21, the gas inlet end 21 is connected with a gas inlet of the annular pipe 22, the annular pipe 22 is tightly attached to the heat-insulating layer 13, a connector 23 is arranged on the annular pipe 22, the connector 23 is fixedly connected with a gas outlet of the annular pipe 22 through a screw, a gas outlet end 24 is arranged on the connector 23, one end of the gas outlet end 24 is fixedly connected with one end, far away from the annular pipe 22, of the connector 23 through a screw, one end, far away from the connector 23, of the gas outlet end 24 is inserted into the reaction tank 11 and is fixedly connected with the reaction tank 11, the connector 23 plays a role of conveying gas in the annular pipe 22 to the gas outlet end 24, meanwhile, when the annular pipe 22 or the gas outlet end 24 is maintained or replaced, only a bolt connected with the connector 23 needs to be detached, the maintenance or replacement of the setting at a later stage is convenient, a fixing part 25 for fixing the annular pipe 22 is arranged outside, fix annular pipe 22 on retort 11 through fastening mounting 25, gaseous through inlet end 21 get into annular ring 22 and pass through connector 23 through end 24 reachs in reaching reaction end 11 of giving vent to anger, when heating coil 12 during operation on retort 11 still has the temperature to distribute outward although there is the separation of heat preservation 13, and the temperature that at this moment outwards distributes will be acted on winding annular pipe 22 on heat preservation 13, makes the gas through in the annular pipe 22 tentatively heated.

The preheating assembly 3 comprises a preheating pipe 31, the preheating pipe 31 is longitudinally arranged in the reaction tank 11, the preheating pipe 31 is fixed in the inner cavity of the reaction tank 11 through a connecting plate, an inlet part 32 is arranged above the preheating pipe 31, an outlet part 33 is arranged below the preheating pipe 31, the inlet part 32 and the outlet part 33 are respectively fixedly arranged above and below the preheating pipe 31, an air guide plate 34 is arranged in the preheating pipe 31, the air guide plate 34 is fixedly arranged in the inner cavity of the preheating pipe 31, the reaction gas enters the upper inlet part 32 of the preheating pipe 31 through an air outlet end 24 and then passes through the air guide plate 34 in the preheating pipe 31, the flowing speed of the gas is reduced when the gas passes through the air guide plate 34, the time in the preheating pipe 31 is increased, so that the gas is fully preheated in the preheating pipe 31 and then enters the reaction tank 11 to react in the heated reaction tank 11, and the gas after reaction primarily enters the secondary reaction tank 5 through a connecting pipe 4 to react, the reacted gas enters the gas outlet pipe below the secondary reaction tank 5 and reaches the next process.

The gas guide plates 34 are arranged in an arc-shaped downward inclined manner, the gas guide plates 34 are arranged alternately, the gas guide plates 34 are arranged in an arc-shaped downward inclined manner, so that gas can pass through the gas guide plates 34 without being blocked, the gas guide plates 34 arranged alternately on the two sides can increase the time of the gas in the preheating pipe 31 under the condition that the gas is not blocked, and the gas can be heated more uniformly.

The upper inlet part 32 and the outlet part 33 of the preheating pipe 31 are both provided with small upper openings and large lower openings, the lower part of the inlet part 32 and the upper part of the outlet part 33 of the preheating pipe 31 are both the same as the diameter of the preheating pipe 31, so that the gas can fully move downwards when entering the inlet part 32, the gas is prevented from overflowing the preheating pipe 31, and meanwhile, the lower end of the outlet part 33 is provided with a trumpet-shaped opening, so that the gas is more convenient to disperse when passing through the outlet part 33 outwards.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. Chlorination reactor, its characterized in that: the device comprises a heating reaction assembly (1), wherein an air inlet assembly (2) for enabling gas to enter the heating reaction assembly (1) is arranged on the heating reaction assembly (1), a preheating assembly (3) for preheating reaction gas is arranged in the heating reaction assembly (1), a connecting pipe (4) is arranged on the heating reaction assembly (1), and a secondary reaction tank (5) for secondary reaction is arranged on the connecting pipe (4);

the heating reaction assembly (1) comprises a reaction tank (11), a heating coil (12) for heating the interior of the reaction tank (11) is arranged on the reaction tank (11), and a heat preservation layer (13) for preserving heat after heating is arranged on the heating coil (12);

air inlet assembly (2) include inlet end (21), be equipped with on inlet end (21) with retort (11) go up annular pipe (22) of heat preservation (13) laminating, be equipped with connector (23) on annular pipe (22), be equipped with on connector (23) and give vent to anger end (24), annular pipe (22) are equipped with outward and are used for fixing mounting (25) with it, secondary retort (5) below is equipped with secondary retort (5) outlet duct.

2. The chlorination reactor of claim 1, wherein: the preheating assembly (3) comprises a preheating pipe (31), an inlet part (32) is arranged above the preheating pipe (31), an outlet part (33) is arranged below the preheating pipe (31), and an air guide sheet (34) is arranged in the preheating pipe (31).

3. The chlorination reactor of claim 2, wherein: the air guide sheets (34) are arranged in an arc shape and are inclined downwards, and the air guide sheets (34) on the two sides are alternately arranged.

4. The chlorination reactor of claim 2, wherein: the upper inlet part (32) and the outlet part (33) of the preheating pipe (31) are both provided with a small upper opening and a large lower opening.