CN217189607U

CN217189607U - Acid boiling tank for producing phthalocyanine blue B

Info

Publication number: CN217189607U
Application number: CN202220458172.3U
Authority: CN
Inventors: 江栋良; 于秀平; 范文锋
Original assignee: Shandong Century Lianhong New Material Co ltd
Current assignee: Shandong Century Lianhong New Material Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-08-16
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses an acid boiling tank for producing phthalocyanine blue B, which belongs to the technical field of pigment production equipment and comprises an acid boiling tank kettle body; the method is characterized in that: a reflux pipe inlet is arranged at one side of the acid boiling chamber, and an air distribution pipe arranged along the horizontal direction is arranged at the bottom of the acid boiling chamber; the other end of the first liquid distribution pipe penetrates through the partition plate to be communicated with the first absorption cavity, and the top of the acid boiling cavity is provided with a first air duct extending to the outside; the outer side of the acid boiling tank body is provided with a constant pressure vent pipe which communicates the acid boiling chamber, the first absorption chamber and the second absorption chamber. The utility model has the advantages that: the method adopts a gas-solid-liquid phase double reflux mode, avoids high-temperature mechanical stirring to promote generation of acid gas, and can maximally realize absorption of the solution on the acid gas; the outer side of the acid boiling tank body is provided with a constant pressure vent pipe which is used for communicating the acid boiling cavity, the first absorption cavity and the second absorption cavity, so that the internal pressure balance and the acid gas balance of each cavity can be realized.

Description

Acid boiling tank for producing phthalocyanine blue B

The technical field is as follows:

the utility model belongs to the technical field of pigment production equipment, more specifically relate to an acid boil tank of production phthalocyanine blue B.

The background art comprises the following steps:

the preparation method of phthalocyanine blue comprises the following steps: stirring and mixing the material A and the material B for 2-3 hours to obtain a phthalocyanine blue product, wherein the mass percentage of the material A in the mixture is 40-80%; the material A is obtained by sequentially carrying out acid boiling, filter pressing washing, alkali boiling, filter pressing washing, squeezing, vacuum standing, drying, crushing and classified screening on beta-type phthalocyanine blue, and the material B is obtained by sequentially carrying out dilution, filter pressing washing, alkali boiling, filter pressing washing, squeezing, vacuum standing, drying, crushing and classified screening on alpha-type phthalocyanine blue;

however, the existing acid boiling tank adopts a mechanical stirring mode, so that the generation of acid gas is aggravated under a high-temperature condition, and the overflow of the acid gas can seriously affect the environment, corrode equipment and influence the personal safety of operators.

The utility model has the following contents:

in order to solve the problems and overcome the defects of the prior art, the utility model provides an acid boiling tank for producing phthalocyanine blue B;

the first technical problem to be solved is that: the existing acid boiling tank adopts a mechanical stirring mode, so that the generation of acid gas is aggravated under the high-temperature condition, the environment and equipment are seriously affected by the overflow of the acid gas, and the personal safety of operators is affected.

The utility model provides a concrete technical scheme of above-mentioned technical problem does: the acid cooking tank for producing phthalocyanine blue B comprises an acid cooking tank body; the method is characterized in that: the acid boiling kettle body is provided with three chambers which are isolated by partition plates: a pickling chamber, a first absorption chamber and a second absorption chamber,

a backflow pipe inlet is formed in one side of the acid boiling chamber, and an air distribution pipe arranged in the horizontal direction is arranged at the bottom of the acid boiling chamber; a first liquid distribution pipe arranged along the horizontal direction is arranged at the upper part of the acid boiling chamber, the other end of the first liquid distribution pipe penetrates through the partition plate to be communicated with the first absorption chamber, and a first air guide pipe extending to the outside is arranged at the top of the acid boiling chamber;

a second liquid distribution pipe arranged along the horizontal direction is arranged at the upper part of the first absorption cavity, the other end of the second liquid distribution pipe penetrates through the partition plate to be communicated with the second absorption cavity, and a second air guide pipe extending to the outside is arranged at the top of the first absorption cavity;

the upper part of the second absorption chamber is provided with a main liquid distribution pipe arranged along the horizontal direction, and the inlet of the return pipe is connected with the main liquid distribution pipe through a first U-shaped pipe, an acid pump and a pipeline;

the first air duct and the second air duct are connected and connected with an acid-proof air pump, and the acid-proof air pump is connected with the air distribution pipe through a second U-shaped pipe.

Furthermore, the outer side of the acid boiling kettle body is provided with a constant-pressure vent pipe which communicates the acid boiling cavity, the first absorption cavity and the second absorption cavity.

Further, a jacket for heating is arranged at the bottom of the acid boiling chamber.

Furthermore, a feed inlet and an emptying valve are arranged at the top of the acid boiling tank body.

Furthermore, the air distribution pipe is uniformly provided with air holes for guiding air.

Furthermore, liquid outlet holes for spraying liquid are uniformly formed in the first liquid distribution pipe.

Furthermore, liquid outlet holes for spraying liquid are uniformly formed in the second liquid distribution pipe.

The utility model has the advantages that:

the structure adopts a double-reflux mode of gas and solid-liquid phases, so that the normal operation of the reaction is ensured, the generation of acid gas is avoided by high-temperature mechanical stirring, and the absorption of the solution to the acid gas can be realized to the greatest extent;

a constant-pressure vent pipe which is used for communicating the acid boiling chamber, the first absorption chamber and the second absorption chamber is arranged at the outer side of the acid boiling tank body, so that the internal pressure of each chamber can be balanced and the acid gas can be balanced;

the setting of U type pipe can keep certain liquid level, avoids sour hydrochloric acid aqueous solution of boiling the cavity and leads to the acid water to leak outward because of shutting down, produces the accident.

Description of the drawings:

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

1. an evacuation valve; 2. a feed inlet; 3. a main liquid distribution pipe; 4. a second absorption chamber; 5. a first absorption chamber; 6. a sour boiling chamber; 7. a jacket; 8. a constant pressure vent pipe; 9. a first U-shaped pipe; 10. an acid pump; 11. a second air duct; 12. a second liquid distribution pipe; 13. a first air duct; 14. a first liquid distribution pipe; 15. an air distribution pipe; 16. an inlet of the return pipe; 17. a second U-shaped tube; 18. acid-proof air pump.

The specific implementation mode is as follows:

in describing the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "rear", "lower left", "upper right", "outer", etc. 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 scope of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model discloses a concrete implementation mode: the acid cooking tank for producing phthalocyanine blue B comprises an acid cooking tank body; the method is characterized in that: the acid boiling kettle body is provided with three chambers which are isolated by partition plates: a pickling chamber 6, a first absorption chamber 5 and a second absorption chamber 4,

a return pipe inlet 16 is arranged on one side of the acid boiling chamber 6; the bottom is provided with an air distribution pipe 15 arranged along the horizontal direction; the upper part is provided with a first liquid distribution pipe 14 arranged along the horizontal direction, and the other end of the first liquid distribution pipe 14 penetrates through a partition plate to be communicated with the first absorption chamber 5; the top is provided with a first air duct 13 extending to the outside;

a second liquid distribution pipe 12 arranged along the horizontal direction is arranged at the upper part of the first absorption chamber 5, and the other end of the second liquid distribution pipe 12 penetrates through a partition plate to be communicated with the second absorption chamber 4; the top is provided with a second air duct 11 extending to the outside;

the upper part of the second absorption chamber 4 is provided with a main liquid distribution pipe 3 arranged along the horizontal direction, and the inlet 16 of the return pipe is connected with the main liquid distribution pipe 3 through a first U-shaped pipe 9, an acid pump 10 and a pipeline; the first air duct 13 and the second air duct 11 are connected with an acid-proof air pump 18, and the acid-proof air pump 18 is connected with the air distribution pipe 15 through a second U-shaped pipe 17.

Furthermore, a constant-pressure vent pipe 8 for communicating the acid boiling chamber 6, the first absorption chamber 5 and the second absorption chamber 4 is arranged on the outer side of the acid boiling tank body.

Further, the bottom of the acid cooking chamber 6 is provided with a jacket 7 for heating.

Furthermore, a feed inlet 2 and an emptying valve 1 are arranged at the top of the acid boiling tank body.

Further, the air distribution pipe 15 is uniformly provided with air holes for guiding air.

Further, liquid outlet holes for liquid spraying are uniformly formed in the second liquid distribution pipe 12, the first liquid distribution pipe 14 and the main liquid distribution pipe 3.

It should be noted that the utility model relates to an acid boiling tank for producing phthalocyanine blue B, when in specific work,

1. placing beta-phthalocyanine blue into a kettle body of an acid boiling tank loaded with hydrochloric acid with the concentration of 10% -15%, keeping the temperature at 90-100 ℃, carrying out acid boiling reaction for 8-10 h, generating acid gas,

at the moment, the acid pump 10 used as the internal circulation is started, the suspension of the beta-phthalocyanine blue and the hydrochloric acid is connected with the main liquid distribution pipe 3 through the reflux pipe inlet 16 and the first U-shaped pipe 9, the acid pump 10 and the pipeline, the suspension material is sprayed out through the main liquid distribution pipe 3 and can absorb a part of acid gas,

as a preferable proposal of the utility model, the second liquid distribution pipe 12, the first liquid distribution pipe 14 and the main liquid distribution pipe 3 can be arranged into a pipe type structure with filtering holes, and can also be arranged into a trumpet-shaped outlet in order to avoid blockage well,

the outer side of the acid boiling kettle body is provided with a constant pressure vent pipe 8 which is used for communicating the acid boiling cavity 6, the first absorption cavity 5 and the second absorption cavity 4, and the constant pressure vent pipe 8 can balance the internal pressure of each cavity and the acid gas;

2. meanwhile, an acid-proof air pump 18 is required to be started, the acid gas in the first absorption cavity 5 and the second absorption cavity 4 can be transferred into the aqueous solution of the acid boiling cavity 6 for further absorption through the first air duct 13 and the second air duct 11, a certain liquid level can be kept through the arrangement of the U-shaped pipe, and the problem that the acid water leaks out due to shutdown of the aqueous solution of the acid boiling cavity 6 to cause accidents is avoided;

3. this structure has adopted the mode of the two refluxes of gas and solid-liquid phase, not only guarantees the normal operating of reaction, can be simultaneously to the absorption of sour gas in the at utmost, avoids high temperature mechanical stirring to promote sour gas to produce moreover.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. 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. An acid cooking pot for producing phthalocyanine blue B comprises an acid cooking pot body; the method is characterized in that: the acid boiling kettle body is provided with three chambers which are isolated by partition plates: a pickling chamber (6), a first absorption chamber (5) and a second absorption chamber (4),

a return pipe inlet (16) is arranged on one side of the acid boiling chamber (6); the bottom is provided with an air distribution pipe (15) arranged along the horizontal direction; the upper part of the absorption cavity is provided with a first liquid distribution pipe (14) arranged along the horizontal direction, and the other end of the first liquid distribution pipe (14) penetrates through the partition plate to be communicated with the first absorption cavity (5); the top is provided with a first air duct (13) extending to the outside;

a second liquid distribution pipe (12) arranged along the horizontal direction is arranged at the upper part of the first absorption chamber (5), and the other end of the second liquid distribution pipe (12) penetrates through a partition plate to be communicated with the second absorption chamber (4); the top is provided with a second air duct (11) extending to the outside;

a main liquid distribution pipe (3) arranged along the horizontal direction is arranged at the upper part of the second absorption chamber (4), and an inlet (16) of the return pipe is connected with the main liquid distribution pipe (3) through a first U-shaped pipe (9), an acid pump (10) and a pipeline; the first air duct (13) is connected with the second air duct (11) and is connected with an acid-proof air pump (18), and the acid-proof air pump (18) is connected with the air distribution pipe (15) through a second U-shaped pipe (17).

2. The acid cooking tank for producing phthalocyanine blue B according to claim 1, wherein a constant-pressure vent pipe (8) for communicating the acid cooking chamber (6), the first absorption chamber (5) and the second absorption chamber (4) is arranged on the outer side of the acid cooking tank body.

3. The potcher tank for the production of phthalocyanine blue B according to claim 1, characterised in that the bottom of the potcher chamber (6) is provided with a jacket (7) for heating.

4. The acid cooking pot for producing phthalocyanine blue B according to claim 1, wherein a feed inlet (2) and an exhaust valve (1) are arranged at the top of the acid cooking pot body.

5. The acid cooking pot for producing phthalocyanine blue B according to claim 1, wherein the air distribution pipe (15) is uniformly provided with air holes for guiding air.

6. The acid-boiling tank for producing phthalocyanine blue B according to claim 1, wherein the second liquid distribution pipe (12), the first liquid distribution pipe (14) and the main liquid distribution pipe (3) are uniformly provided with liquid outlet holes for liquid spraying.