CN214087707U

CN214087707U - Gas distribution assembly of hydrochloric acid graphite synthesis furnace

Info

Publication number: CN214087707U
Application number: CN202023147432.5U
Authority: CN
Inventors: 冯林灿
Original assignee: Nantong Runzhong Graphite Equipment Co Ltd
Current assignee: Nantong Runzhong Graphite Equipment Co Ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-08-31
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a gas distribution subassembly of hydrochloric acid graphite synthetic furnace, including setting up the air inlet in the synthetic furnace outside, set up the gas guide pipe in the synthetic furnace inside, install the gas distributor in the gas guide pipe outside and be used for accelerating the agitator of gas mixture, the air inlet includes hydrogen air inlet and chlorine air inlet, hydrogen air inlet and chlorine air inlet are the crossed interval distribution of regular hexagon structure in the synthetic furnace outside, the agitator is spiral shell screwing in and puts in the central point of synthetic furnace, the gas guide pipe is linked together with the air inlet, the gas guide pipe includes the leading trachea the same with the air inlet direction and is located the air guide branch pipe of leading trachea both sides, the contained angle of leading trachea and air guide branch pipe is 30, and the synthesis furnace is divided into a plurality of symmetrical gas reaction modules, so that the mixing degree of the gas is accelerated, and the reaction speed is improved.

Description

Gas distribution assembly of hydrochloric acid graphite synthesis furnace

The technical field is as follows:

the utility model relates to a synthetic furnace reaction equipment field especially involves a gas distribution subassembly of hydrochloric acid graphite synthetic furnace.

Background art:

in chemical industry, a synthesis furnace is a pressure container mainly used for completing technological projects such as sulfuration, nitration, hydrogenation, alkylation, polymerization, condensation and the like, and the principle is that various liquids or gases in the synthesis furnace are introduced into a reaction furnace to create required conditions so as to enable the liquids or gases to generate chemical reactions. The principle of the hydrochloric acid synthesis furnace is that hydrogen and chlorine gas need to be introduced into a reaction kettle in the synthesis reaction of the hydrochloric acid gas, and the hydrogen and the chlorine gas need to pass through a section of graphite guide pipe before entering the synthesis furnace due to the corrosivity of the gas and then enter the synthesis furnace for reaction through the graphite guide pipe.

However, in a general synthesis furnace, hydrogen and chlorine directly enter the synthesis furnace through a graphite guide pipe, so that the reaction of the hydrogen and the chlorine in the synthesis furnace is insufficient, a large amount of mixed gas cannot completely react at one time, and the conversion effect is not ideal.

The utility model has the following contents:

the utility model aims at providing a gas distribution subassembly of hydrochloric acid graphite synthetic furnace solves one or more in the above problem.

The utility model discloses a set up the air inlet in the synthetic furnace outside, set up at the inside gas stand pipe of synthetic furnace, install the gas distributor in the gas stand pipe outside and be used for the agitator of gas mixing with higher speed, the air inlet includes hydrogen air inlet and chlorine air inlet, the hydrogen air inlet is the crisscross interval distribution of regular hexagon structure with the chlorine air inlet in the synthetic furnace outside, the air inlet is linked together with the gas stand pipe, the agitator is spiral shell screwing in and rises the central point that circular structure just is located the synthetic furnace puts.

Furthermore, the gas guide pipe is a graphite pipe and comprises a main gas guide pipe and gas guide branch pipes, the main gas guide pipe and the gas guide branch pipes are located on two sides of the main gas guide pipe, the included angle between the main gas guide pipe and the gas guide branch pipes is 30 degrees, and the synthesis furnace is divided into a plurality of symmetrical gas reaction modules.

Furthermore, the gas distributor comprises a main exhaust part sleeved on the outer side of the main gas pipe and a side exhaust part sleeved on the outer side of the gas guide branch pipe, a gas outlet of the main gas pipe penetrates through and extends out of the outer side of the main exhaust part, a gas outlet of the gas guide branch pipe is contained in the side exhaust part, and the main exhaust part and the side exhaust part are both hollow rectangular cubic structures.

Furthermore, the outer side of the gas distributor is distributed with equidistant and regular exhaust holes, the outer ring exhaust holes of the main exhaust part and the side exhaust part are more and dense, and the exhaust holes of the included angle area and the end part position of the main exhaust part and the side exhaust part are less and scattered.

Furthermore, the outer sides of the gas guide pipe, the gas distributor and the stirrer are all provided with a layer of explosion-proof membrane.

The beneficial effects of the utility model reside in that: 1. the mode that hydrogen and chlorine are alternately let in at intervals is adopted, and the large reaction chamber is divided into a plurality of small module reaction regions through the guidance of the branched branch pipes, so that the mixing degree of gas is accelerated, and the reaction speed is improved.

2. The graphite gas guide pipe is externally sleeved with a layer of gas distributor with full air holes, and the middle of the reaction furnace is provided with a spiral stirrer, so that the gases are fully mixed, and the conversion rate of the synthesis furnace is improved.

3. And an explosion-proof film is adhered to the outside of the guide pipe, so that the safety coefficient of the synthesis furnace is improved.

Description of the drawings:

fig. 1 is a top view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of a circle a in fig. 1.

The specific implementation mode is as follows:

in order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.

As shown in fig. 1-2, the utility model discloses an air inlet 1 that sets up in the synthetic furnace outside, set up at the inside gas guide 2 of synthetic furnace, install the gas distributor 3 in the gas guide 2 outside and be used for accelerating gas mixing's agitator 4, air inlet 1 includes hydrogen air inlet 5 and chlorine air inlet 6, hydrogen air inlet 5 is the crossed interval distribution of regular hexagon structure with chlorine air inlet 6 in the synthetic furnace outside, air inlet 1 is linked together with gas guide 2, agitator 4 is spiral shell screwing in and rises the circular structure and is located the central point of synthetic furnace and puts.

In this application, hydrogen gas inlet 5 and chlorine gas inlet 6 and alternately interval distribution, enclose into the circular shape reaction chamber at the exit position of gas guide pipe 2, because regular hexagon's distribution structure, both sides and the opposite chlorine gas outlet of controlling of having guaranteed every hydrogen gas outlet, both sides and the opposite hydrogen gas outlet of being about every chlorine gas outlet, gaseous can abundant contact reaction in the synthetic furnace, helical agitator's setting simultaneously, further accelerate gaseous flow and mix, aggravation reaction degree, accelerate reaction rate.

In this application, gas stand pipe 2 is the graphite pipe, including the leading trachea 21 the same with 1 direction of air inlet and be located the gas guide branch pipe 22 of leading trachea 21 both sides, and leading trachea 21 is 30 with the contained angle of gas guide branch pipe 22 to cut apart into a plurality of symmetrical gas reaction modules with the synthetic furnace, accelerate gaseous mixed degree, improve reaction rate.

In the present application, the gas distributor 3 includes a main exhaust portion 31 sleeved outside the main gas pipe 21 and a side exhaust portion 32 sleeved outside the gas guiding branch pipe 22, the gas outlet of the main gas pipe 21 passes through and extends out of the main exhaust portion 31, the gas outlet of the gas guiding branch pipe 22 is contained inside the side exhaust portion 32, and both the main exhaust portion 31 and the side exhaust portion 32 are of hollow rectangular cuboid structures.

In this application, equidistant and regular exhaust holes are distributed on the outer side of the gas distributor 3, the outer ring exhaust holes of the main exhaust part 31 and the side exhaust part 32 are more and dense, and the exhaust holes of the included angle area and the end position of the main exhaust part 31 and the side exhaust part 32 are less and dispersed.

In the application, hydrogen and chlorine enter the gas guide pipe 2 from the gas inlet 1, wherein a part of gas enters the central reaction position of the synthesis furnace from the main gas guide pipe 21, and the other part of gas is discharged from the gas guide branch pipe 22 and enters the gas distributor 3.

In the present application, the design requirements of the shape of the gas distributor and the position distribution of the exhaust holes need to be closely related to the gas transmission speed and the mixing density, and the space size of the reaction chamber in the synthesis furnace needs to be considered.

In this application, the outside of gas stand pipe 2, gas distributor 3 and agitator 4 all is equipped with the rupture membrane of one deck, prevents that gas reaction from violently influencing the structure of each subassembly, reduces impurity and produces to improve the factor of safety of synthetic furnace.

The utility model discloses when using, let in hydrogen and chlorine in the synthetic furnace, through the forked branch pipe direction, cut apart into a plurality of little module reaction intervals with big reacting chamber for gaseous mixed degree improves reaction rate, simultaneously under the effect in 3 inside exhaust passage of gas distributor and exhaust hole, adjusts gaseous distribution density, makes it be full of whole synthetic furnace uniformly.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A gas distribution assembly of a hydrochloric acid graphite synthesis furnace is characterized in that: including setting up air inlet (1) in the synthetic furnace outside, setting up at inside gaseous stand pipe (2) of synthetic furnace, installing gas distributor (3) in gaseous stand pipe (2) outside and be used for accelerating agitator (4) that the gas mixes, air inlet (1) includes hydrogen air inlet (5) and chlorine gas inlet (6), hydrogen air inlet (5) with chlorine gas inlet (6) are regular hexagon structure cross interval distribution in the synthetic furnace outside, air inlet (1) with gaseous stand pipe (2) are linked together, agitator (4) are spiral shell screwing in and rise the circular structure and are located the central point of synthetic furnace and put.

2. The gas distribution assembly of the graphite hydrochloride synthesis furnace according to claim 1, wherein the gas guide pipe (2) is a graphite pipe and comprises a main gas guide pipe (21) in the same direction as the gas inlet (1) and gas guide branch pipes (22) positioned at two sides of the main gas guide pipe (21), the included angle between the main gas guide pipe (21) and the gas guide branch pipes (22) is 30 degrees, and the main gas guide pipe (21) and the gas guide branch pipes (22) divide the synthesis furnace into a plurality of symmetrical gas reaction modules.

3. The gas distribution assembly of the graphite hydrochloride synthesis furnace of claim 2, wherein: the gas distributor (3) comprises a main exhaust part (31) and a side exhaust part (32), wherein the main exhaust part (31) is sleeved on the outer side of the main gas guide pipe (21), the side exhaust part (32) is sleeved on the outer side of the gas guide branch pipe (22), a gas outlet of the main gas guide pipe (21) penetrates through and extends out of the outer side of the main exhaust part (31), a gas outlet of the gas guide branch pipe (22) is contained in the side exhaust part (32), and the main exhaust part (31) and the side exhaust part (32) are of hollow rectangular cubic structures.

4. The gas distribution assembly of the graphite hydrochloride synthesis furnace of claim 3, wherein: the outside of gas distributor (3) distributes and has the exhaust hole of equidistance and rule, main exhaust portion (31) with the outer lane exhaust hole of side exhaust portion (32) is many and intensive, main exhaust portion (31) with the contained angle region of side exhaust portion (32) and the exhaust hole of tip position are few and the dispersion.

5. The gas distribution assembly of the graphite hydrochloride synthesis furnace of claim 4, wherein: and the outer sides of the gas guide pipe (2), the gas distributor (3) and the stirrer (4) are all provided with a layer of explosion-proof membrane.