Tubular reactor nozzle for diammonium phosphate production
By designing a trumpet-shaped slurry nozzle and flange connection structure, the problem of poor atomization effect of traditional nozzles was solved, achieving a larger coverage area and better dispersion effect, avoiding clumping in the granulator, and improving product quality.
Patent Information
- Application Number
- CN202422433044.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-10-09
AI Technical Summary
Traditional direct-injection slurry nozzles have problems with poor slurry atomization and small atomization area in diammonium phosphate production, leading to clumping on the inner wall and main beam of the granulator.
The slurry nozzle features a trumpet-shaped design, combined with a flange connection structure and an open inlet, which increases the spraying area and improves the atomization effect, while preventing clumping.
It improves the atomization coverage and dispersion of the slurry, reduces clumping on the inner wall of the granulator, extends the stable operation cycle of the equipment, and improves the particle size and appearance quality of the product.
Smart Images
Figure CN223654967U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to phosphoric di-ammonium production equipment technical field, more specifically relates to the pipe reactor nozzle for phosphoric di-ammonium production. BACKGROUND
[0002] Phosphoric di-ammonium production process generally adopts the pipe reactor, usually is with the liquid ammonia after the metering phosphoric acid is added to the pipe reactor mixer and carries out the neutralization reaction, the pipe reactor is installed outside the granulator, and the neutralization slurry after the reaction is sprayed to the granulation material curtain through the slurry nozzle of the pipe reactor and carries out the granulation, and a part of the liquid ammonia is also introduced into the secondary ammoniation distribution pipe in the granulator after the metering, and the slurry sprayed to the pipe reactor carries out the secondary ammoniation, and the ammonium phosphate particles with the neutralization degree of about 1.8 are obtained. SUMMARY
[0003] The utility model discloses a pipe reactor nozzle for phosphoric di-ammonium production, which can effectively improve the poor slurry atomization effect and small slurry atomization area of the traditional straight jet type slurry nozzle, and the caking problem of the inner wall of the granulator and the beam of the granulator.
[0004] The utility model discloses a pipe reactor nozzle for phosphoric di-ammonium production, which can effectively improve the poor slurry atomization effect and small slurry atomization area of the traditional straight jet type slurry nozzle, and the caking problem of the inner wall of the granulator and the beam of the granulator.
[0005] In order to facilitate the installation and fixation of the slurry pipe, as a preferred pipe reactor nozzle for phosphoric di-ammonium production of the utility model, the opposite sides of the mixer pipe and the slurry pipe are respectively fixed with flange one and flange two, the flange one and the flange two are detachably connected through bolts, and a sealing gasket is arranged between the flange one and the flange two.
[0006] In order to facilitate the atomization of the slurry, as a preferred pipe reactor nozzle for phosphoric di-ammonium production of the utility model, the front and back sides of the slurry nozzle are open, the outer side of the slurry pipe is provided with a liquid inlet, and the liquid inlet is located on the inner side of the slurry nozzle.
[0007] In order to facilitate the atomization of the slurry, as a preferred pipe reactor nozzle for phosphoric di-ammonium production of the utility model, the liquid inlet is in the shape of a long strip, and the width of the liquid inlet is less than one fifth of the outer diameter of the slurry pipe.
[0008] In order to facilitate the installation of the nozzle and the slurry pipe, preferably, the length and the width of the slurry nozzle are smaller than the outer diameter of the slurry pipe.
[0009] The beneficial effects of the present application are as follows:
[0010] 1. Compared with the traditional straight jet slurry nozzle, the horn-shaped slurry nozzle in the present application has a large slurry atomization coverage area and good slurry dispersion degree; under the same granulation condition as the traditional straight jet slurry nozzle, the slurry spraying amount of the slurry nozzle in the present application is increased, and the production load of the granulator is improved.
[0011] 2. The slurry nozzle in the present application has good slurry atomization degree, effectively avoids the caking phenomenon of the inner wall of the granulator and the beam of the granulator, increases the stable operation period of the granulator, and at the same time, improves the product particle size qualification rate, enhances the product crystallinity, and improves the product appearance quality. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 is the front view of the present application;
[0013] Figure 2 is the top view of the present application;
[0014] Figure 3 is a structural schematic view of the slurry pipe and the slurry nozzle of the present application;
[0015] Figure 4 is a sectional view of the slurry pipe and the slurry nozzle of the present application.
[0016] Reference signs: 1, mixer pipe; 101, ammonia inlet; 102, acid inlet; 103, flange one; 2, slurry pipe; 201, flange two; 202, liquid inlet; 3, slurry nozzle. DETAILED DESCRIPTION
[0017] The present application will be described in detail below in combination with the drawings and specific embodiments, and the illustrative embodiments and the description of the present application are used to explain the present application, but are not used as a limitation of the present application.
[0018] In the description of the present application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "top", "bottom", "in", "out" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0019] Please refer to Figures 1-4 The utility model provides the following technical scheme: a pipe reactor nozzle for diammonium phosphate production, comprising a mixer pipe 1, an ammonia inlet 101 and an acid inlet 102 are arranged on the outer side of the mixer pipe 1, a slurry pipe 2 is installed at the outlet of the mixer pipe 1, a slurry nozzle 3 is communicated with the outer side of the end of the slurry pipe 2 away from the mixer pipe 1, and the slurry nozzle 3 is in the shape of a horn.
[0020] In this embodiment, the metered liquid ammonia and phosphoric acid are added into the pipe reactor mixer pipe 1 through the ammonia inlet 101 and the acid inlet 102 respectively, then a neutralization reaction is carried out, high-temperature and high-pressure slurry is formed, the high-temperature and high-pressure slurry is transported to the strip-shaped liquid inlet 202 through the slurry pipe 2, is atomized in the slurry nozzle 3, and finally is sprayed into the granulator curtain to be granulated; by arranging the slurry nozzle 3 in the shape of a horn, the internal space of the end of the nozzle on the outer side is expanded, the slurry spraying amount of the slurry nozzle 3 is increased, and the occurrence of the caking phenomenon of the inner wall of the granulator and the beam of the granulator is reduced.
[0021] As a technical optimization scheme of the utility model, flange one 103 and flange two 201 are respectively fixed on the opposite sides of the mixer pipe 1 and the slurry pipe 2, the flange one 103 and the flange two 201 are detachably connected through bolts, and a sealing gasket is arranged between the flange one 103 and the flange two 201.
[0022] In this embodiment, the two flanges are detachably connected through bolts, so that the mixer pipe 1 and the slurry pipe 2 can be conveniently installed or dismounted by the staff, so as to be maintained or replaced; the sealing gasket is arranged between the two flanges, so that the sealing property of the connection part of the mixer pipe 1 and the slurry pipe 2 can be enhanced, and slurry leakage can be avoided.
[0023] As a technical optimization scheme of the utility model, the front and back sides of the slurry nozzle 3 are in an open shape, the outer side of the slurry pipe 2 is provided with a liquid inlet 202, the liquid inlet 202 is located on the inner side of the slurry nozzle 3, the liquid inlet 202 is in the shape of a strip, the width of the liquid inlet 202 is less than one fifth of the outer diameter of the slurry pipe 2, and the length and width of the slurry nozzle 3 are both less than the outer diameter of the slurry pipe 2.
[0024] In this embodiment, the opening area of the front side of the slurry nozzle 3 is greater than that of the back side, so that the spraying area of the slurry is expanded; the width of the liquid inlet 202 is less than one fifth of the outer diameter of the slurry pipe 2, so that the slurry can be atomized in the nozzle to a better effect.
[0025] The working principle and use process of the utility model: when using, the measured liquid ammonia and phosphoric acid are added into the tubular reactor mixer pipe 1 through ammonia inlet 101 and acid inlet 102 respectively, then neutralization reaction is carried out, high temperature and high pressure slurry is formed, the high temperature and high pressure slurry is transported to the strip liquid inlet 202 through the slurry pipe 2, atomized in the slurry nozzle 3, finally sprayed into the granulator material curtain to carry out granulation.
[0026] The above detailed introduction is made to the technical scheme provided by the utility model embodiment, the principle and implementation mode of the utility model embodiment are described by applying specific examples, the above embodiment description is only applicable to helping understanding the principle of the utility model embodiment, meanwhile, for the general technical personnel in the field, the specific implementation mode and application range of the utility model embodiment will have changes, in conclusion, the content of the specification should not be understood as the limitation of the utility model.
Claims
1. A tubular reactor nozzle for diammonium phosphate production, comprising a mixer tube (1), wherein an ammonia inlet (101) and an acid inlet (102) are provided on the outer side of the mixer tube (1), characterized in that: The outlet of the mixer tube (1) is equipped with a slurry tube (2), and the outer side of the end of the slurry tube (2) away from the mixer tube (1) is connected to a slurry nozzle (3), which is funnel-shaped.
2. The tubular reactor nozzle for diammonium phosphate production according to claim 1, characterized in that: The mixer pipe (1) and the slurry pipe (2) are respectively fixed with flange one (103) and flange two (201) on opposite sides. Flange one (103) and flange two (201) are detachably connected by bolts, and a sealing gasket is provided between flange one (103) and flange two (201).
3. The tubular reactor nozzle for diammonium phosphate production according to claim 1, characterized in that: The front and rear sides of the slurry nozzle (3) are open, and the outside of the slurry pipe (2) is provided with a liquid inlet (202), which is located inside the slurry nozzle (3).
4. The tubular reactor nozzle for diammonium phosphate production according to claim 3, characterized in that: The inlet (202) is elongated, and the width of the inlet (202) is less than one-fifth of the outer diameter of the slurry pipe (2).
5. The tubular reactor nozzle for diammonium phosphate production according to claim 1, characterized in that: The length and width of the slurry nozzle (3) are both smaller than the outer diameter of the slurry pipe (2).