CN213313931U

CN213313931U - Potassium sorbate spray granulation tail gas recycling system

Info

Publication number: CN213313931U
Application number: CN202021563565.8U
Authority: CN
Inventors: 黄宝成; 黄少君; 薛江江; 沈亮亮
Original assignee: RUGAO JIANGBEI ADDITIVE CO Ltd
Current assignee: RUGAO JIANGBEI ADDITIVE CO Ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-06-01
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to a potassium sorbate spray granulation tail gas cyclic utilization system, its characterized in that: comprises a drying tower, a filtering module and a heat exchange module; the utility model filters the hot air which is dried by potassium sorbate through the drying tower, adopts the filtering form of the steel wire net group, compared with the filtering form which adopts the filtering cloth and needs to be cleaned and replaced frequently, the steel wire net group can clean the potassium sorbate powder stuck on the steel wire net group out of the steel wire net group through pulse, and the potassium sorbate powder can also be processed in the working state; the cabin opening cleaning frequency is reduced; in addition, the hot air after drying enters the fluidization punch to perform other drying operations under the driving of the circulating fan through the heat exchange module; the heat energy of the hot air is fully utilized, and the energy waste is reduced.

Description

Potassium sorbate spray granulation tail gas recycling system

Technical Field

The utility model relates to a potassium sorbate granulation tail gas cyclic utilization field especially relates to a potassium sorbate spray granulation tail gas cyclic utilization system.

Background

In a general potassium sorbate production process, atomized potassium sorbate needs to be dried by hot air so that the potassium sorbate becomes granular; hot air can partially dry potassium sorbate in a drying tower structure during the drying of atomized potassium sorbate; the common structure is that the filter cloth is directly adopted for filtering, but the filter cloth can be blocked for a while due to large drying capacity, so that the blowing force of hot air for drying is reduced, the later-stage drying is not facilitated, and the filter cloth needs to be replaced and cleaned frequently, which is very troublesome; in addition, the drying of potassium sorbate by hot air requires a high temperature, and after the drying by hot air, a part of heat energy is often left and sometimes directly discharged, which results in energy waste.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a potassium sorbate spray granulation tail gas cyclic utilization system, the potassium sorbate filtration system clearance is frequent in the tail gas when can solving general potassium sorbate spray granulation drying, blocks up easily, the extravagant problem of heat energy.

In order to solve the technical problem, the utility model adopts the technical scheme that: the potassium sorbate spraying granulation tail gas recycling system has the innovation points that: comprises a drying tower, a filtering module and a heat exchange module;

a hot air port is formed in the side edge of the bottom end of the drying tower, and an air inlet pipeline is connected to the hot air port; a powder discharge hole is formed in the bottom end of the drying tower; an atomizing nozzle is arranged at the top end of the drying tower, a feeding pipeline is connected to the atomizing nozzle, and potassium sorbate material in the feeding pipeline is sprayed into the drying tower through the atomizing nozzle; a circulating pipeline interface is arranged on the side edge of the drying tower, and a tail gas circulating pipeline is connected to the circulating pipeline interface;

the filtering module and the heat exchange module are both connected to a tail gas circulating pipeline, and the filtering module comprises a filtering cabin and a filtering grid plate; the filtering grid plate is obliquely arranged in the filtering cabin, and the filtering cabin is provided with an air inlet, an air outlet and a cabin door; the air inlet and the exhaust port are both connected to a tail gas circulating pipeline; a discharging trolley is arranged in the filtering cabin below the filtering grid plate; the filter screen grid plate comprises a filter screen frame and a steel wire screen group; the filter screen frame is obliquely embedded in the filter cabin, and the edge of the filter screen frame is embedded in the inner wall of the filter cabin; the filter screen frame is positioned above the air inlet; the steel wire mesh group is provided with a plurality of steel wire mesh units, the steel wire mesh units are stacked in the filter screen frame, and the edges of the steel wire mesh units are fixed with the inner wall of the filter screen frame;

the heat exchange module is connected to the output end of the filtering cabin through a tail gas circulating pipeline; the heat exchange module comprises a burner, a heat exchanger, a heating furnace and a circulating fan; the heating furnace is provided with a tail gas inlet and a tail gas outlet; the heat exchanger is arranged in the heating furnace, and an output end of the burner is connected to the heat exchanger through a pipeline to heat the heat exchanger so as to heat tail gas passing through the heating furnace; the circulating fan is arranged at a tail gas outlet of the heating furnace, and the tail gas outlet of the heating furnace is connected with a fluidized bed through a pipe end;

furthermore, a pulse tube is obliquely arranged above the filtering grid plate, a plurality of pulse auxiliary tubes are arranged in the direction of the pulse tube perpendicular to the direction of the filtering grid plate, and the end parts of the pulse auxiliary tubes are opened; one end of the pulse tube extends out of the filtering cabin and is connected to an air bag, and a pulse valve is arranged at the connection part of the pulse tube and the air bag.

Furthermore, the pulse auxiliary pipe of pulse pipe is gone up the nestification and is had striking cover, and the one end of striking cover passes through the extension spring and connects on the pulse pipe, controls the compressed air of release gas bag through the pulse valve, blows and strikes the striking cover and hit the steel wire netting group and realize hitting the filterable potassium sorbate granule and fall to in the ejection of compact dolly.

The utility model has the advantages that:

1) the utility model filters the hot air which is dried by potassium sorbate through the drying tower, adopts the filtering form of the steel wire net group, compared with the filtering form which adopts the filtering cloth and needs to be cleaned and replaced frequently, the steel wire net group can clean the potassium sorbate powder stuck on the steel wire net group out of the steel wire net group through pulse, and the potassium sorbate powder can also be processed in the working state; the cabin opening cleaning frequency is reduced; in addition, the hot air after drying enters the fluidization punch to perform other drying operations under the driving of the circulating fan through the heat exchange module; the heat energy of the hot air is fully utilized, and the energy waste is reduced.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a structural diagram of a potassium sorbate spray granulation tail gas recycling system of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

The potassium sorbate spraying granulation tail gas recycling system shown in fig. 1 comprises a drying tower 1, a filtering module 2 and a heat exchange module 3.

A hot air port is arranged on the side edge of the bottom end of the drying tower 1, and an air inlet pipeline is connected to the hot air port; a powder discharge hole is formed in the bottom end of the drying tower 1; an atomizing nozzle 11 is arranged at the top end of the drying tower 1, a feeding pipeline is connected to the atomizing nozzle 11, and potassium sorbate material in the feeding pipeline is sprayed into the drying tower 1 through the atomizing nozzle 11; the side of the drying tower 1 is provided with a circulating pipeline interface, and the circulating pipeline interface is connected with a tail gas circulating pipeline 4.

The filtering module 2 and the heat exchange module 3 are both connected to the tail gas circulating pipeline 4, and the filtering module 2 comprises a filtering cabin 21 and a filtering net grid plate 22; the filter screen grid plate 22 is obliquely arranged in the filter cabin 21, and the filter cabin 21 is provided with an air inlet, an air outlet and a cabin door; and the air inlet and the exhaust port are both connected to the tail gas circulating pipeline 4; a discharge trolley 23 is arranged in the filtering cabin 21 and below the filtering grid plate 22; the filter screen grid plate 22 comprises a filter screen frame and a steel wire screen group; the filter screen frame is obliquely embedded in the filter chamber 21 and the edge is embedded on the inner wall of the filter chamber 21; the filter screen frame is positioned above the air inlet; the steel wire net group is provided with a plurality of steel wire net units, the steel wire net units are stacked in the filter screen frame, and the edges of the steel wire net units are fixed with the inner wall of the filter screen frame.

The heat exchange module 3 is connected with the output end of the filtering chamber 21 through a tail gas circulating pipeline; the heat exchange module 3 comprises a burner 31, a heat exchanger 32, a heating furnace 33 and a circulating fan 34; the heating furnace 33 is provided with a tail gas inlet and a tail gas outlet; the heat exchanger 32 is arranged in the heating furnace 33, and the output end of the burner 31 is connected to the heat exchanger 32 through a pipeline to heat the heat exchanger so as to heat the tail gas passing through the heating furnace 33; the circulating fan 34 is arranged at the tail gas outlet of the heating furnace 33, and the tail gas outlet of the heating furnace 33 is connected with a fluidized bed through a pipe end.

A pulse tube 5 is obliquely arranged above the filter screen grid plate 22, a plurality of pulse auxiliary tubes 51 are arranged in the direction of the pulse tube 5 perpendicular to the filter screen grid plate, and the end parts of the pulse auxiliary tubes 51 are opened; one end of pulse tube 5 extends out of the filter chamber and is connected to an air bag 52, and a pulse valve 53 is arranged at the connection of pulse tube 52 and the air bag.

An impact sleeve 54 is nested on a pulse auxiliary pipe 51 of the pulse pipe 5, one end of the impact sleeve 54 is connected to the pulse pipe 5 through a tension spring, compressed air in the air bag 52 is controlled and released through a pulse valve 53, the impact sleeve 54 is blown to hit the wire mesh group, and filtered potassium sorbate particles are hit and fall into the discharging trolley 23.

The utility model discloses a theory of operation is: hot air enters the drying tower from a hot air port at the bottom end of the drying tower, the potassium sorbate sprayed by an atomizing nozzle at the top end of the drying tower is atomized, dried by the hot air and falls into the drying tower in a granular form, potassium sorbate particles mixed in the hot air enter a filtering module for filtering, then the potassium sorbate particles are reheated by a heat exchange module, and the heated hot air enters the fluidized bed for drying.

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. The potassium sorbate spraying granulation tail gas recycling system is characterized in that: comprises a drying tower, a filtering module and a heat exchange module;

the heat exchange module is connected to the output end of the filtering cabin through a tail gas circulating pipeline; the heat exchange module comprises a burner, a heat exchanger, a heating furnace and a circulating fan; the heating furnace is provided with a tail gas inlet and a tail gas outlet; the heat exchanger is arranged in the heating furnace, and the output end of the burner is connected to the heat exchanger through a pipeline to heat the heat exchanger so as to heat the tail gas passing through the heating furnace; the circulating fan is arranged at a tail gas outlet of the heating furnace, and the tail gas outlet of the heating furnace is connected with a fluidized bed through a pipe end.

2. The potassium sorbate spraying granulation tail gas recycling system of claim 1, which is characterized in that: a pulse tube is obliquely arranged above the filter grid plate, a plurality of pulse auxiliary tubes are arranged in the direction of the pulse tube perpendicular to the filter grid plate, and the end parts of the pulse auxiliary tubes are opened; one end of the pulse tube extends out of the filtering cabin and is connected to an air bag, and a pulse valve is arranged at the connection part of the pulse tube and the air bag.

3. The potassium sorbate spraying granulation tail gas recycling system of claim 2, which is characterized in that: the impact sleeve is nested on the pulse auxiliary pipe of the pulse pipe, one end of the impact sleeve is connected to the pulse pipe through a tension spring, compressed air in the air bag is released through control of the pulse valve, and the impact sleeve is blown to hit the steel wire net group to realize that the filtered potassium sorbate particles are collided and dropped into the discharging trolley.