Discharging device of fly ash storage bin

Abstract

The utility model discloses a discharging device of a coal ash storage bin, which comprises a conveying fan, an air outlet of the conveying fan is connected with an air heater, the air heater is connected to an air distribution box through an air conveying main pipeline, the air conveying main pipeline is further provided with a main pipeline electric valve, and the air distribution box is provided with two air outlet ends. One end of the main blowing pipeline is connected to the main blowing pipeline, the other end of the main blowing pipeline is connected to the auxiliary blowing pipeline, the tail end of the main blowing pipeline is connected with a main blowing pipeline one-way valve, a plurality of material conveying surge pipes are arranged on the main blowing pipeline, the outer ends of the material conveying surge pipes are connected to a discharging point, and the tail of the main blowing pipeline is connected to a lifting machine through pipeline flexible connection. Materials are conveyed in a closed space in the whole process, contact with the outside is avoided, dust pollution is avoided, the draught fan is adopted as conveying power, the conveying distance is long, installation is easy, the comprehensive energy consumption is lower than that of a mechanical conveying device, and in addition, pipeline conveying equipment is long in conveying distance and flexible in arrangement.

Description

Technical Field

[0001] The utility model relates to the technical field of silo unloading, in particular to a discharging device for a fly ash storage silo. Background Art

[0002] The existing technology generally faces the problem of dust pollution during the transportation of powdered materials. Due to its fine particle characteristics, powdered materials are easily dispersed into the air during transportation, forming dust. This not only pollutes the working environment, but also may have adverse effects on the health of operators. Operators are easily exposed to such an environment for a long time and inhale dust, which may cause respiratory diseases and other problems.

[0003] In addition, long-distance powder material transportation usually relies on mechanical conveying equipment, such as conveyor belts, screw conveyors, etc. Although these mechanical equipment can effectively transport materials, they are expensive and consume a lot of energy during operation. For large-scale, long-distance transportation tasks, this undoubtedly increases the operating costs of enterprises.

[0004] More importantly, mechanical conveying equipment has certain limitations in conveying distance. Due to the limitations of the mechanical structure, these devices often have difficulty in achieving ultra-long distance material transportation. At the same time, the process layout is not flexible enough and it is difficult to adapt to the conveying needs in different scenarios.

[0005] In summary, the existing technology has problems such as dust pollution, high cost, high energy consumption, and transportation distance and process layout limitations in the process of powder material transportation. In order to solve these problems, it is necessary to continuously explore and research new transportation technologies and methods to achieve more efficient, environmentally friendly and economical powder material transportation. Utility Model Content

[0006] In order to overcome the deficiencies of the prior art, the utility model provides a discharge device for a fly ash storage bin, which solves the problems that powdery materials are prone to dust during the discharge process and the discharge device is inflexible in setting.

[0007] A discharge device for a fly ash storage bin comprises a conveying fan, an air heater is connected to an air outlet of the conveying fan, the air heater is connected to an air distribution box through an air conveying main pipeline, a main pipeline electric valve is also arranged on the air conveying main pipeline, the air distribution box has two air outlet ends, one end is connected to a main blowing pipeline, and the other end is connected to an auxiliary blowing pipeline, a main blowing pipeline check valve is connected to the tail end of the main blowing pipeline, a plurality of material conveying gushing pipes are arranged on the main blowing pipeline, the outer ends of the material conveying gushing pipes are connected to a discharge point, a manual gate valve, a pneumatic switch valve and an electric regulating valve are arranged on the material conveying gushing pipe in sequence from the discharge point to the main blowing pipeline, and the tail end of the main blowing pipeline is connected to a hoist through a pipeline soft connection.

[0008] Furthermore, it also includes an auxiliary blowing pipe connected to the main blowing pipe through a plurality of auxiliary blowing pipe branches; from the auxiliary blowing pipe to the main blowing pipe, the auxiliary blowing pipe branches are sequentially provided with auxiliary blowing pipe valves and auxiliary blowing pipe branch one-way valves, wherein the direction of the auxiliary blowing pipe branch one-way valve is from the auxiliary blowing pipe to the main blowing pipe, and a auxiliary blowing pipe dust exhaust valve is provided at the tail of the auxiliary blowing pipe.

[0009] Furthermore, a plurality of observation holes are evenly arranged on the surface of the main blowing pipe.

[0010] Furthermore, there are no less than two air distribution boxes, one of which is arranged at the tail end of the air delivery main pipeline, and the rest are arranged on the air delivery main pipeline.

[0011] Furthermore, the main blowing pipes led out from different air distribution boxes are all converged to the elevator.

[0012] The beneficial effects of the utility model: the utility model uses pipeline settings to keep the material in a closed space throughout the entire transportation process, so as not to have contact with the outside world and generate no dust pollution. A fan is used as the conveying power, the conveying distance is long, the installation is simple, and the comprehensive energy consumption is lower than that of a mechanical conveying device. In addition, the pipeline conveying equipment has a long conveying distance and flexible layout. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of a discharge device of a fly ash storage bin;

[0014] In the figure: 1-manual gate valve, 2-pneumatic switch valve, 3-electric regulating valve, 4-conveying fan, 5-air heater, 6-air conveying main pipeline, 7-main pipeline electric valve, 8-air distribution box, 9-main blowing pipeline, 10-auxiliary blowing pipeline, 11-main blowing pipeline manual valve, 12-auxiliary blowing pipeline manual valve, 13-main blowing pipeline one-way valve, 14-auxiliary blowing pipeline dust exhaust valve, 15-auxiliary blowing pipeline branch, 16-auxiliary blowing pipeline valve, 17-auxiliary blowing pipeline branch one-way valve, 18-material conveying surge pipe, 19-pipeline soft connection, 20-observation hole, 21-elevator. DETAILED DESCRIPTION

[0015] The following is an explanation of the implementation of the present invention by specific specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Although the description of the present invention will be introduced in conjunction with the preferred embodiment, this does not mean that the features of this utility model are limited to the implementation. On the contrary, the purpose of introducing the utility model in conjunction with the implementation is to cover other options or modifications that may be extended based on the claims of the present utility model. In order to provide a deep understanding of the present utility model, many specific details will be included in the following description. The present utility model can also be implemented without using these details. In addition, in order to avoid confusion or blurring the focus of the present utility model, some specific details will be omitted in the description. It should be noted that, in the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. It should be noted that in this specification, similar reference numerals and letters represent similar items in the following figures, so once an item is defined in one figure, it does not need to be further defined and explained in the subsequent figures.

[0016] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "one" do not indicate quantity restrictions, but indicate the existence of at least one. Words such as "set", "connected", "connected" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two components. For ordinary technicians in this field, the specific meanings of the above terms in this embodiment can be understood according to specific circumstances. The directions or positional relationships indicated by “upper”, “lower”, “left”, “right”, “inner”, “bottom”, etc. are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model.

[0017] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0018] In this embodiment, as shown in the attached Figure 1As shown, a discharge device for a fly ash storage bin comprises a conveying fan 4, an air outlet of the conveying fan 4 is connected to an air heater 5, the air heater 5 is connected to an air distribution box 8 through an air conveying main pipeline 6, the air conveying main pipeline 6 is also provided with a main pipeline electric valve 7, the air distribution box 8 has two air outlet ends, one end is connected to a main blowing pipeline 9, and the other end is connected to an auxiliary blowing pipeline 10, the tail end of the main blowing pipeline 9 is connected to a main blowing pipeline check valve 13 to prevent the air and dust in the main blowing pipeline from running in the reverse direction, and the main blowing pipeline 9 is provided with a plurality of The material conveying gushing pipe 18, the outer end of the material conveying gushing pipe 18 is connected to the unloading point, and the manual gate valve 1, the pneumatic switch valve 2 and the electric regulating valve 3 are sequentially arranged on the material conveying gushing pipe 18 from the unloading point to the main blowing pipe 9. The tail of the main blowing pipe 9 is connected to the hoist 21 through the pipe soft connection 19. The air heater 5 heats the air to achieve the effect of drying the air. The main blowing pipe 9 provides the main power air source for material transportation in the material conveying gushing pipe. The pipe soft connection 19 is to prevent uneven settlement from causing deformation of the pipe and eliminate pipe stress.

[0019] Furthermore, it also includes an auxiliary blowing pipe 10 connected to the main blowing pipe 9 through a plurality of auxiliary blowing pipe branches 15; from the auxiliary blowing pipe 10 to the main blowing pipe 9, the auxiliary blowing pipe branches 15 are sequentially provided with auxiliary blowing pipe valves 16 and auxiliary blowing pipe branch one-way valves 17, wherein the direction of the auxiliary blowing pipe branch one-way valve 17 is from the auxiliary blowing pipe 10 to the main blowing pipe 9, and a auxiliary blowing pipe dust exhaust valve 14 is provided at the tail of the auxiliary blowing pipe 10.

[0020] Furthermore, a plurality of observation holes 20 are evenly arranged on the surface of the main blowing pipe 9, which are used to observe the conveying conditions of the materials in the material conveying surge pipe during the material conveying process.

[0021] Furthermore, there are no less than two air distribution boxes 8, one is arranged at the tail end of the air delivery main pipeline 6, and the rest are arranged on the air delivery main pipeline 6.

[0022] Furthermore, the main blowing pipes 9 led out from different air distribution boxes 8 are all converged to the elevator 21.

[0023] The specific workflow of this application is as follows:

[0024] When the system is running, first turn on the conveying fan 4 to provide air source for the whole system. The low-pressure air generated by the conveying fan 4 is heated to a certain temperature through the air heater 5, and the air is sent to the air distribution box 8 through the air conveying main pipeline 6 and the main pipeline electric valve 7. The air distribution box 8 distributes the air to the main blowing pipeline 9 and the auxiliary blowing pipeline 10, and the reasonable air intake volume is adjusted through the main blowing pipeline manual valve 11 and the auxiliary blowing pipeline manual valve 12.

[0025] The air is input as the main power source into the material conveying surge pipe 18 through the main blowing pipeline 9, the main blowing pipeline manual valve 11 and the main blowing pipeline one-way valve 13.

[0026] The air is input into the material conveying surge pipe 18 through the blowing-assisting pipeline 10, the blowing-assisting pipeline manual valve 12, the blowing-assisting pipeline branch pipe 15, the blowing-assisting pipeline valve 16, the blowing-assisting pipeline on-off manual regulating valve, and the blowing-assisting pipeline branch pipe one-way valve 17 to assist the input of power gas source.

[0027] After the gas source is turned on, open the pneumatic switch valve 2 and the electric control valve 3. The material enters the material conveying pipe 18 through the normally open maintenance valve of the manual gate valve 1, the quick closing valve of the pneumatic switch valve 2, and the flow regulating valve of the electric control valve 3, and then enters the serial number elevator 21 and is transported to the next process by the elevator.

[0028] The beneficial effects of the utility model: the utility model uses pipeline settings to keep the material in a closed space throughout the entire transportation process, so as not to have contact with the outside world and generate no dust pollution. A fan is used as the conveying power, the conveying distance is long, the installation is simple, and the comprehensive energy consumption is lower than that of a mechanical conveying device. In addition, the pipeline conveying equipment has a long conveying distance and flexible layout.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A discharge device for a fly ash storage bin, characterized in that: The invention comprises a conveying fan (4), the air outlet of the conveying fan (4) is connected to an air heater (5), the air heater (5) is connected to an air distribution box (8) through an air conveying main pipeline (6), the air conveying main pipeline (6) is also provided with a main pipeline electric valve (7), the air distribution box (8) has two air outlet ends, one end is connected to a main blowing pipeline (9), and the other end is connected to an auxiliary blowing pipeline (10), the tail end of the main blowing pipeline (9) is connected to a main blowing pipeline check valve (13), and a plurality of material conveying gushing pipes (18) are provided on the main blowing pipeline (9), and the outer ends of the material conveying gushing pipes (18) are connected to a discharge point.

2. A discharge device for a fly ash storage bin according to claim 1, characterized in that: The material conveying gushing pipe (18) is provided with a manual gate valve (1), a pneumatic switch valve (2) and an electric regulating valve (3) in sequence from the discharge point to the main blowing pipe (9).

3. A fly ash storage bin discharge device according to claim 1, characterized in that: It also includes a main blowing pipeline (9) whose tail is connected to the elevator (21) via a pipeline flexible connection (19).

4. A fly ash storage bin discharge device according to claim 1, characterized in that: The invention also includes an auxiliary blowing pipeline (10) connected to a main blowing pipeline (9) through a plurality of auxiliary blowing pipeline branches (15); from the auxiliary blowing pipeline (10) to the main blowing pipeline (9), the auxiliary blowing pipeline branches (15) are provided with auxiliary blowing pipeline valves (16) and auxiliary blowing pipeline branch one-way valves (17) in sequence, wherein the direction of the auxiliary blowing pipeline branch one-way valve (17) is from the auxiliary blowing pipeline (10) to the main blowing pipeline (9), and an auxiliary blowing pipeline dust exhaust valve (14) is provided at the tail of the auxiliary blowing pipeline (10).

5. The discharge device of a fly ash storage bin according to claim 1, characterized in that: It also includes a plurality of observation holes (20) evenly arranged on the surface of the main blowing pipe (9).

6. A fly ash storage bin discharge device according to claim 1, characterized in that: The air distribution boxes (8) are provided with no less than two, one of which is provided at the rear end of the air delivery main pipeline (6), and the others are provided on the air delivery main pipeline (6).

7. A fly ash storage bin discharge device according to claim 6, characterized in that: The main blowing pipes (9) leading out of the air distribution box (8) are all gathered to the elevator (21).

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