CN215277307U

CN215277307U - Reation kettle of H sour monosodium salt preparation

Info

Publication number: CN215277307U
Application number: CN202120963292.4U
Authority: CN
Inventors: 邵乐疆; 成立三; 高保君; 武东亮; 王智福; 唐均
Original assignee: Dachaidan Leqing Technology Chemical Co ltd
Current assignee: Dachaidan Leqing Technology Chemical Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-12-24
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a belong to pigment production facility technical field, specifically be a reation kettle of H sour monosodium salt preparation, including the cauldron body, be provided with reaction chamber and clamp cover chamber in the body of the cauldron body, clamp cover chamber is in the outside of reaction chamber, body top of the cauldron body is provided with charge tube, air duct and acidification pipe, the lower extreme of charge tube, air duct and acidification pipe all deepens the inside of reaction chamber and communicates with reaction chamber, the body downside of the cauldron body is provided with the row of material pipe with reaction chamber intercommunication, and this device blows into reaction chamber through the air duct, and the gas that blows into reaction chamber not only can take away the heat of the liquid phase in the reaction chamber, can also drive the liquid phase motion in the reaction chamber, and the effect of blowing into reaction chamber in this device is the same with the stirring effect of agitating unit in traditional reation kettle to replace agitating unit through the air duct, thereby avoiding the corrosion of the mixing device by the mixed nitric acid.

Description

Reation kettle of H sour monosodium salt preparation

Technical Field

The utility model relates to a pigment production facility technical field specifically is a reation kettle of H sour monosodium salt preparation.

Background

During preparation of the monosodium salt of H acid, nitration reaction needs to be carried out in a reaction kettle, a large amount of heat is released during nitration reaction, in order to remove the reaction heat as soon as possible to keep a proper reaction temperature, a stirring device needs to be installed in the reaction kettle for stirring in addition to jacket cooling, so that the liquid phase in the reaction kettle keeps a uniform temperature, the temperature in the reaction kettle needs to be controlled during nitration reaction, and a large amount of byproducts can be generated during nitration reaction when the temperature is too high. The reaction kettle comprises an enamel kettle, a steel kettle, a cast iron kettle or a stainless steel kettle, and the enamel kettle which can not be corroded is commonly used in the nitration reaction with larger acidity.

During the nitration reaction, mixed nitric acid needs to be added into the reaction kettle, the mixed nitric acid can corrode a stirring device in the reaction kettle at high temperature, the corrosion of the stirring device can not only reduce the service life of the reaction kettle, but also enable the produced H acid monosodium salt to contain more iron mud.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reation kettle of sour monosodium salt preparation of H to the problem that needs agitating unit to stir in solving the current reation kettle who proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reation kettle of sour monosodium salt preparation of H, includes the cauldron body, be provided with the reaction chamber in the body of the cauldron body and press from both sides the cover chamber in the outside of reaction chamber, the body top of the cauldron body is provided with filling tube, air duct and adds sour pipe, the lower extreme of filling tube, air duct and acid pipe all deepens the inside of reaction chamber and communicates with the reaction chamber, the body downside of the cauldron body is provided with the row's of reaction chamber intercommunication material pipe, the outside of the cauldron body is provided with heat-conducting medium export and heat-conducting medium entry, heat-conducting medium export and heat-conducting medium entry all with press from both sides the cover chamber intercommunication.

Preferably, the air duct comprises an air inlet pipe, a gas distribution pipe is connected below the air inlet pipe, and a vent hole is formed in the body of the gas distribution pipe.

Preferably, the acid adding pipe comprises an acid inlet pipe, the lower end of the acid inlet pipe is connected with an annular pipe, and the lower end of the body of the annular pipe is provided with an acid dripping hole.

Preferably, the inside of reaction chamber is provided with the cooling tube, the cooling tube all runs through the reaction chamber and with press from both sides the cover chamber intercommunication.

Preferably, the heat-conducting medium outlet is positioned at the upper side of the heat-conducting medium inlet, and the bodies of the heat-conducting medium outlet and the heat-conducting medium inlet are both provided with a water pressure gauge.

Compared with the prior art, the beneficial effects of the utility model are that:

this device blows to the reaction intracavity through the air duct, blows in the gaseous heat that not only can take away the liquid phase in the reaction intracavity of reaction intracavity, can also drive the liquid phase motion of reaction intracavity, and the effect of blowing to the reaction intracavity in this device is the same with agitating unit's stirring effect in the traditional reation kettle to replace agitating unit through the air duct, and then avoid agitating unit to be corroded by mixed nitric acid.

Drawings

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

FIG. 2 is a schematic sectional view of the front view of the present invention;

FIG. 3 is a schematic view of the structure of the gas conduit of the present invention;

FIG. 4 is a schematic view of the acid adding tube structure of the present invention;

fig. 5 is a schematic view of the annular tube of the present invention viewed from the bottom.

In the figure: 1 kettle body, 11 reaction chambers, 12 jacket chambers, 2 feed pipes, 3 gas guide pipes, 31 gas inlet pipes, 32 gas distribution pipes, 33 vent holes, 4 acid adding pipes, 41 acid inlet pipes, 42 annular pipes, 43 acid dropping holes, 5 heat-conducting medium outlets, 6 heat-conducting medium inlets, 7 material discharge pipes, 8 heat radiation pipes and 9 water pressure meters.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 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, and are only for convenience of description and simplicity of 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 therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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 in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-5, the present invention provides a technical solution: a reaction kettle for preparing monosodium H acid comprises a kettle body 1, wherein the kettle body 1 is an enamel kettle, a reaction cavity 11 and a jacket cavity 12 are arranged in the body of the kettle body 1, the jacket cavity 12 is arranged on the outer side of the reaction cavity 11, the reaction cavity 11 is not communicated with the jacket cavity 12, a feeding pipe 2, an air guide pipe 3 and an acid adding pipe 4 are arranged above the body of the kettle body 1, the feeding pipe 2, the air guide pipe 3 and the acid adding pipe 4 are all acid-resistant and corrosion-resistant PE pipes, mixed nitric acid participating in nitration reaction is added into the reaction cavity 11 from the acid adding pipe 4, other raw materials participating in nitration reaction are added into the reaction cavity 11 from the feeding pipe 2, the air guide pipe 3 is connected with external air supply equipment, such as an air compressor and a nitrogen bottle, external air enters the reaction cavity 11 through the air guide pipe 3, the liquid phase of the reaction cavity 11 is blown by air, heat in the liquid phase can be driven, the liquid phase can be pushed to move, and the temperature in the liquid phase is kept uniform, the filling tube 2, the lower extreme of air duct 3 and acidification pipe 4 all deepens into the inside of reaction chamber 11 and communicates with reaction chamber 11, the body downside of the cauldron body 1 is provided with row material pipe 7 with reaction chamber 11 intercommunication, the outside of the cauldron body 1 is provided with heat-conducting medium export 5 and heat-conducting medium entry 6, heat-conducting medium export 5 and heat-conducting medium entry 6 all with press from both sides cover chamber 12 intercommunication, the heat exchange medium who plays the cooling action gets into from heat-conducting medium entry 6 and presss from both sides cover chamber 12, from 5 outflow clamp cover chambers 12 of heat-conducting medium export.

Air duct 3 includes intake pipe 31, and the below of intake pipe 31 is connected with gas-distributing pipe 32, and the quantity of gas-distributing pipe 32 is four at least, has seted up air vent 33 on gas-distributing pipe 32's the body, and the interval between two adjacent air vent 33 is not more than two centimetres, and the bottom of gas-distributing pipe 32 is sealed, blows in to reaction chamber 11 through the multiple spot, can make the motion of liquid phase violent more to make the more abundant that the liquid phase mixes.

Add acid pipe 4 and including advancing acid pipe 41, the lower extreme that advances acid pipe 41 is connected with toroidal tube 42, and acid dripping hole 43 has been seted up to the body lower extreme of toroidal tube 42, through a plurality of acid dripping holes 43 to the interior acid dripping of reaction chamber 11, can make the dropwise add more even of mixed nitric acid, can avoid local dropwise mixed nitric acid too much, and then avoid local overheat.

Reaction chamber 11's inside is provided with cooling tube 8, and cooling tube 8 is also acidproof corrosion resistant PE pipe, and cooling tube 8 all runs through reaction chamber 11 and communicates with pressing from both sides cover chamber 12, and heat exchange medium can get into cooling tube 8, can take away the heat of reaction chamber 11 interior liquid phase through in the cooling tube 8.

The heat-conducting medium outlet 5 is positioned on the upper side of the heat-conducting medium inlet 6, the water pressure meters 9 are arranged on the bodies of the heat-conducting medium outlet 5 and the heat-conducting medium inlet 6, the pressure of the heat-exchanging medium is detected through the water pressure meters 9, when the heat-exchanging medium in the jacket cavity 12 leaks, the pressure of the heat-exchanging medium is reduced, and abnormal data can be observed through the water pressure meters 9.

The working principle is as follows: firstly, heat exchange medium enters the jacket cavity 12 from the heat-conducting medium inlet 6, then other raw materials participating in nitration reaction and removing mixed nitric acid are added into the reaction cavity 11 from the charging pipe 2, then the mixed nitric acid participating in nitration reaction is added into the reaction cavity 11 from the acid adding pipe 4, meanwhile, air is blown into the reaction cavity 11 through the air guide pipe 3, the heat exchange medium flowing out of the heat-conducting medium outlet 5 can take away redundant heat, and meanwhile, the gas blown into the reaction cavity 11 not only can take away the heat of the liquid phase in the reaction cavity 11, but also can drive the liquid phase in the reaction cavity 11 to move.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention 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 invention 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reation kettle of H acid monosodium salt preparation, includes cauldron body (1), its characterized in that: be provided with reaction chamber (11) and press from both sides cover chamber (12) in the body of the cauldron body (1), press from both sides cover chamber (12) in the outside of reaction chamber (11), the body top of the cauldron body (1) is provided with filling tube (2), air duct (3) and adds acid tube (4), the lower extreme of filling tube (2), air duct (3) and adding acid tube (4) all deepens the inside of reaction chamber (11) and communicates with reaction chamber (11), the body downside of the cauldron body (1) is provided with row's material pipe (7) with reaction chamber (11) intercommunication, the outside of the cauldron body (1) is provided with heat-conducting medium export (5) and heat-conducting medium entry (6), heat-conducting medium export (5) and heat-conducting medium entry (6) all communicate with pressing from both sides cover chamber (12).

2. The reaction kettle for preparing the monosodium salt of H acid according to claim 1, is characterized in that: the air duct (3) comprises an air inlet pipe (31), a gas distribution pipe (32) is connected below the air inlet pipe (31), and a vent hole (33) is formed in the body of the gas distribution pipe (32).

3. The reaction kettle for preparing the monosodium salt of H acid according to claim 1, is characterized in that: the acid adding pipe (4) comprises an acid inlet pipe (41), the lower end of the acid inlet pipe (41) is connected with an annular pipe (42), and the lower end of the body of the annular pipe (42) is provided with an acid dripping hole (43).

4. The reaction kettle for preparing the monosodium salt of H acid according to claim 1, is characterized in that: the inside of reaction chamber (11) is provided with cooling tube (8), cooling tube (8) all run through reaction chamber (11) and with press from both sides cover chamber (12) intercommunication.

5. The reaction kettle for preparing the monosodium salt of H acid according to claim 1, is characterized in that: the heat-conducting medium outlet (5) is positioned at the upper side of the heat-conducting medium inlet (6), and water pressure meters (9) are arranged on the bodies of the heat-conducting medium outlet (5) and the heat-conducting medium inlet (6).