CN219440692U - PVC processing aid pressure type spray drying tower - Google Patents

Abstract

The utility model discloses a pvc processing aid pressure type spray drying tower, which comprises a drying tower body, wherein a liquid auxiliary agent inlet pipe is fixedly penetrated through the center of the bottom of the drying tower body, a guide cylinder is fixedly arranged on the inner wall of the drying tower body above a thermal drying mechanism, an electric heating rod is arranged on the inner side of the top of the guide cylinder, a heating cylinder is fixedly arranged on the top of the inner wall of the drying tower body, a steam inlet pipe is fixedly penetrated through the top of one side of the heating cylinder, a suction pipe is fixedly penetrated through the center of the top of the drying tower body, the bottom end of the suction pipe is fixedly connected with the top end of a collecting hopper, and the collecting hopper is fixedly arranged on the top of the inner side of the drying tower body. This pvc processing aid pressure formula spray drying tower adopts novel structural design, utilizes high pressure hot air current to carry out the quick drying to pvc processing aid droplet to utilize drying tower inner structure design, make the air current that carries the droplet flow fast all the time, and make each inside position of drying tower all keep high temperature, improved dry efficiency greatly, avoid the droplet to condense to glue and glue.

Description

PVC processing aid pressure type spray drying tower

Technical Field

The utility model relates to the technical field of spray drying towers, in particular to a pressure type spray drying tower for a pvc processing aid.

Background

The pvc processing aid is prepared by adding various auxiliary materials capable of improving performance, such as lubricants, heat stabilizers, impact modifiers and the like, in the pvc processing process, wherein the lubricants, the heat stabilizers, the impact modifiers and the like are produced by using a pressure type spray drying tower, and liquid raw material liquid of the lubricants, the heat stabilizers, the impact modifiers and the like is separated into mist drops through an atomizer in the drying tower, and the mist drops are directly contacted with hot air or other gases to obtain powder particle-shaped products.

The pressure type spray drying tower is used continuously in the production process of the pvc processing aid, and in the practical operation process, the gas heating and drying structure in the existing spray drying tower is unreasonable in design, so that the temperature difference of different heights in the spray drying tower is caused, heat is extremely easy to dissipate, the drying efficiency is influenced, atomized fog drops cannot be dried quickly and efficiently, and the atomized fog drops are easy to condense and adhere, so that the quality of the produced pvc processing aid is influenced. It is desirable to design a pvc process aid pressurized spray drying tower that addresses the above-described problems.

Disclosure of Invention

The utility model aims to provide a pressure type spray drying tower for a pvc processing aid, which aims to solve the problems that in the prior art, the design of a gas heating and drying structure in the existing spray drying tower is unreasonable, so that the temperature of different heights in the spray drying tower is different, heat is extremely easy to dissipate, the drying efficiency is influenced, atomized fog drops cannot be dried quickly and efficiently, and the atomized fog drops are easy to condense and adhere, so that the quality of the produced pvc processing aid is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pvc processing aid pressure formula spray drying tower, includes the drying tower body, drying tower body bottom center runs through and is fixed with liquid auxiliary agent and advances the pipe, and liquid auxiliary agent advances the pipe top and install the atomizer to drying tower body inner wall bottom is provided with thermal drying mechanism, be fixed with the draft tube on the drying tower body inner wall of thermal drying mechanism top, and install the electric rod inboard at draft tube top, drying tower body inner wall top fixed mounting has the heating cylinder, and heating cylinder one side top runs through and is fixed with steam and advances the pipe, and heating cylinder opposite side bottom runs through and is fixed with the discharge pipe, drying tower body top center runs through and is fixed with the suction tube, and the suction tube bottom is connected fixedly with the collection fill top, and the collection fill is fixed at drying tower body inner side top.

Preferably, the thermal drying mechanism comprises a first hot air pipe, a second hot air pipe, a third hot air pipe and a high-pressure air nozzle, wherein the first hot air pipe, the second hot air pipe and the third hot air pipe are fixedly arranged on the inner bottom surface of the drying tower body, and the high-pressure air nozzle is densely arranged on the first hot air pipe, the second hot air pipe and the third hot air pipe at equal angles.

Preferably, the first hot air pipe, the second hot air pipe and the third hot air pipe are annular in overlook shape, and the diameters of the inner sides of the first hot air pipe, the second hot air pipe and the third hot air pipe are sequentially decreased.

Preferably, the front section of the inner side surface of the guide cylinder is L-shaped, the inclination angle of the bottom of the inner side surface of the guide cylinder is the same as that of the high-pressure air nozzle, and the inclination angle of the bottom of the inner side surface of the guide cylinder is larger than that of the top of the inner side surface of the guide cylinder.

Preferably, the inclination angle of the top of the inner side surface of the guide cylinder and the inclination angle of the electric heating rod are densely distributed at equal angles relative to the center of the drying tower body.

Preferably, the cross section of the heating cylinder is right triangle, and the inclined surface on the inner side of the heating cylinder is a continuous wave surface.

Compared with the prior art, the utility model has the beneficial effects that: according to the pressure type spray drying tower for the PVC processing aid, a novel structural design is adopted, high-pressure hot air flow is utilized to dry the PVC processing aid fogdrops quickly, and the inner structural design of the drying tower is utilized, so that the air flow carrying the fogdrops always flows quickly, all positions in the drying tower are kept at high temperature, the drying efficiency is greatly improved, and the fogdrops are prevented from being coagulated and stuck;

1. the first hot air pipe, the second hot air pipe, the third hot air pipe, the high-pressure air nozzle and the guide cylinder are matched to work, so that fog drops sprayed by the atomizer can be driven to flow rapidly, and the fog drops are concentrated, so that the fog drops can move stably and upwards rapidly;

2. through the mutually supporting work of electric bar, heating cylinder, steam admission pipe, discharge pipe, suction tube and collection fill, not only can keep warm the drying tower body upper portion that makes away from thermal drying mechanism, guarantee the drying effect to the droplet, can also concentrate the collection to the droplet after the drying, the discharge of the droplet of being convenient for.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic top view of the atomizer and thermal drying mechanism of the present utility model;

FIG. 3 is a schematic top view of a section of a guide cylinder and an electric heating rod according to the utility model;

fig. 4 is a schematic view showing a bottom cross-sectional structure of the heating cylinder of the present utility model.

In the figure: 1. drying the tower body; 2. feeding a liquid auxiliary agent into a pipe; 3. an atomizer; 4. a thermal drying mechanism; 401. a first hot air duct; 402. a second hot air duct; 403. a third hot air duct; 404. a high pressure air nozzle; 5. a guide cylinder; 6. an electric heating rod; 7. a heating cylinder; 8. a steam inlet pipe; 9. a discharge pipe; 10. a suction tube; 11. and (5) collecting a bucket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a pvc processing aid pressure type spray drying tower, including drying tower body 1, liquid auxiliary agent advances pipe 2, atomizer 3, thermodynamic drying mechanism 4, first hot-blast main 401, second hot-blast main 402, third hot-blast main 403, high pressure air nozzle 404, guide cone 5, electric rod 6, heating cylinder 7, steam advances pipe 8, discharge pipe 9, suction tube 10 and collection fill 11, drying tower body 1 bottom center runs through and is fixed with liquid auxiliary agent advances pipe 2, and liquid auxiliary agent advances pipe 2 top and installs atomizer 3, and drying tower body 1 inner wall bottom is provided with thermodynamic drying mechanism 4, be fixed with guide cone 5 on the drying tower body 1 inner wall of thermodynamic drying mechanism 4 top, and install electric rod 6 in guide cone 5 top inboard, drying tower body 1 inner wall top is fixedly installed heating cylinder 7, and the top of heating cylinder 7 one side runs through and is fixed with steam advances pipe 8, and the bottom of heating cylinder 7 opposite side is fixed with discharge pipe 9, drying tower body 1 top center is fixed with suction tube 10, and 10 bottom and collection fill 11 top are connected fixedly, and collection fill 11 is fixed at drying tower body 1 inboard top.

The thermal drying mechanism 4 of this example includes first hot-blast main 401, second hot-blast main 402, third hot-blast main 403 and high pressure air nozzle 404, and first hot-blast main 401, second hot-blast main 402 and third hot-blast main 403 all fixed mounting are on drying tower body 1 inboard bottom surface, and high pressure air nozzle 404 is closely installed to the equal angle on first hot-blast main 401, second hot-blast main 402 and the third hot-blast main 403, foretell structural design utilizes the hot-blast main of high pressure to carry out quick drying to the droplet to drive the droplet and upwards move fast.

The overlooking shapes of the first hot air pipe 401, the second hot air pipe 402 and the third hot air pipe 403 are annular, and the diameters of the inner sides of the first hot air pipe 401, the second hot air pipe 402 and the third hot air pipe 403 are gradually decreased, so that the high-pressure hot air flow density sprayed out is enough due to the structural design, and the efficient drying of fog drops is realized.

The front section of the inner side surface of the guide cylinder 5 is L-shaped, the inclination angle of the bottom of the inner side surface of the guide cylinder 5 is the same as that of the high-pressure air nozzle 404, and the inclination angle of the bottom of the inner side surface of the guide cylinder 5 is larger than that of the top of the inner side surface of the guide cylinder 5.

The inclination angle of the top of the inner side surface of the guide cylinder 5 and the inclination angle of the electric heating rods 6 are densely distributed at equal angles about the center of the drying tower body 1, and the structural design can heat the middle space of the drying tower body 1, so that fog drops can be heated and kept dry after being far away from the thermal drying mechanism 4.

The cross-section of the heating cylinder 7 is right triangle, and the inclined surface of the inner side of the heating cylinder 7 is a continuous wave surface, and the above structural design ensures that the heating cylinder 7 can contact with fog drops in air flow in a large area, and the fog drops are continuously and stably dried by utilizing steam on the inner side of the heating cylinder 7.

Working principle: when the device is used, the liquid pvc processing aid raw material is sent into the atomizer 3 through the liquid aid inlet pipe 2 in fig. 1 by an external raw material pump, dense raw material fog drops are upwards sprayed out by the atomizer 3, meanwhile, hot air is sprayed out from the high-pressure air nozzle 404 at high speed in an inclined way by an external high-pressure fan connected with the first hot air pipe 401, the second hot air pipe 402 and the third hot air pipe 403, and the raw material fog drops are dried by high-pressure hot air flow and are driven to flow upwards rapidly;

the hot air carrying the raw material mist drops is concentrated through the inclined plane at the bottom of the guide cylinder 5, and quickly reaches the position of the electric heating rod 6 upwards from the narrower middle opening, the electric heating rod 6 continuously heats nearby air, the air flow is ensured to always dry the raw material mist drops, high-temperature steam is continuously input into the heating cylinder 7 through the steam generator connected with the steam inlet pipe 8, the high-temperature steam is subjected to efficient heating of the air through the wave surface at the inner side of the heating cylinder 7, the air in the drying tower body 1 is ensured to be always at a higher temperature, the raw material mist drops blown by the air flow are dried again, and finally the dried raw material particles are sucked and discharged through the suction pipe 10 in the collecting hopper 11, so that the working principle of the pvc processing aid pressure type spray drying tower is realized.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (6)

1. The utility model provides a pvc processing aid pressure type spray drying tower, includes drying tower body (1), its characterized in that: the utility model discloses a drying tower body, including drying tower body (1), heating cylinder (7), spray pipe (9), suction pipe (10), collecting hopper (11) are fixed in drying tower body (1), drying tower body (1) bottom center runs through and is fixed with liquid auxiliary agent and advances pipe (2), and liquid auxiliary agent advances pipe (2) top and installs atomizer (3) to drying tower body (1) inner wall bottom is provided with thermodynamic drying mechanism (4), be fixed with guide cylinder (5) on drying tower body (1) inner wall of thermodynamic drying mechanism (4) top, and electric rod (6) are installed to guide cylinder (5) top inboard, drying tower body (1) inner wall top fixed mounting has heating cylinder (7), and heating cylinder (7) one side top runs through and is fixed with steam and advances pipe (8) to heating cylinder (7) opposite side bottom runs through and is fixed with discharge pipe (9), drying tower body (1) top center runs through and is fixed with suction pipe (10), and suction pipe (10) bottom and collecting hopper (11) top are connected fixedly, and collecting hopper (11) are fixed at drying tower body (1) inboard top.

2. A pvc process aid pressurized spray drying tower according to claim 1, wherein: the thermal drying mechanism (4) comprises a first hot air pipe (401), a second hot air pipe (402), a third hot air pipe (403) and a high-pressure air nozzle (404), wherein the first hot air pipe (401), the second hot air pipe (402) and the third hot air pipe (403) are fixedly arranged on the inner bottom surface of the drying tower body (1), and the high-pressure air nozzle (404) is densely arranged on the first hot air pipe (401), the second hot air pipe (402) and the third hot air pipe (403) at equal angles.

3. A pvc process aid pressurized spray drying tower according to claim 2, wherein: the first hot air pipe (401), the second hot air pipe (402) and the third hot air pipe (403) are annular in overlook shape, and the diameters of the inner sides of the first hot air pipe (401), the second hot air pipe (402) and the third hot air pipe (403) are gradually decreased.

4. A pvc process aid pressurized spray drying tower according to claim 2, wherein: the front section of the inner side surface of the guide cylinder (5) is L-shaped, the inclination angle of the bottom of the inner side surface of the guide cylinder (5) is the same as that of the high-pressure air nozzle (404), and the inclination angle of the bottom of the inner side surface of the guide cylinder (5) is larger than that of the top of the inner side surface of the guide cylinder (5).

5. A pvc process aid pressurized spray drying tower according to claim 1, wherein: the inclination angle of the top of the inner side surface of the guide cylinder (5) and the inclination angle of the electric heating rod (6), and the electric heating rod (6) is densely distributed at equal angles relative to the center of the drying tower body (1).

6. A pvc process aid pressurized spray drying tower according to claim 1, wherein: the cross section of the heating cylinder (7) is right triangle, and the inclined surface of the inner side of the heating cylinder (7) is a continuous wave surface.