CN214877201U - Honeycomb formula steel sheet storehouse discharging device - Google Patents

Abstract

The utility model belongs to the technical field of steel sheet storehouse equipment, concretely relates to honeycomb formula steel sheet storehouse discharging device. Compared with the prior art, the utility model discloses factory send grey pipeline one end to connect the steel sheet storehouse, the steel sheet storehouse bottom sets up the outer loop discharge hopper respectively, zhonghuan discharge hopper and inner ring discharge hopper, the outer loop discharge hopper, zhonghuan discharge hopper and inner ring discharge hopper keep away from steel sheet storehouse one end and set up electronic gate valve respectively, the outer loop discharge hopper, zhonghuan discharge hopper and inner ring discharge hopper bottom connect outer loop dust discharging pipe respectively through the pipeline, zhonghuan dust discharging pipe and inner ring dust discharging pipe one end, outer loop dust discharging pipe, zhonghuan dust discharging pipe and the main supply air duct of inner ring dust discharging pipe other end connection, main supply air duct connects out grey material pipe, set up the circulating pump box on the play grey material pipe, circulating pump box top connects circulating return pipe one end, the circulating return pipe other end is connected at the steel sheet storehouse top, original ejection of compact mode has been changed, the unloading rate of ash has been improved.

Description

Honeycomb formula steel sheet storehouse discharging device

Technical Field

The utility model belongs to the technical field of steel sheet storehouse equipment, concretely relates to honeycomb formula steel sheet storehouse discharging device.

Background

With the gradual tightening of the national environmental protection policy, thermal power plants are faced with the problem of closing ash storage yards. In order to solve the problems of fly ash storage caused by closing an ash yard and the influence of fly ash lost on safety production, the fly ash storage facilities built in a factory area are an urgent problem of each power plant.

In view of the special characteristics of fly ash, steel structure (steel plate silo) ash storage is a main storage mode of a power plant. In recent years, with the development of technology, large-capacity steel plate silo storage systems gradually become the main storage type of bulk objects in building materials and power industries, and large-size steel plate silos for storing fly ash also gradually become the standard allocation of thermal power plants. However, due to the characteristics of the fly ash, and the storage capacity of the large steel plate silo is particularly large, the bulk density of the powder material at the bottom of the silo is relatively increased under the huge pressure of the powder material at the upper part, and when the bulk density reaches a certain limit, the powder material can be agglomerated and formed, which is a problem that the homogenization and discharging of the vaporization pipe are difficult.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is because fly ash self characteristics reason, the reserve volume in addition large-scale steel sheet storehouse is very big, so the powder thing of storehouse bottom is under the huge pressure of upper portion powder thing, and bulk density increases relatively, and the powder thing also can the caking shaping, and the homogenization ejection of compact of vaporization pipe is difficult, for solving above-mentioned problem, the utility model provides a honeycomb formula steel sheet storehouse discharging device.

The purpose of the utility model is realized with the following mode: the utility model provides a honeycomb formula steel sheet storehouse discharging device, send grey pipeline including the factory, factory send grey pipeline one end connection steel sheet storehouse, steel sheet storehouse bottom sets up outer loop discharge hopper, zhonghuan discharge hopper and inner ring discharge hopper respectively, outer loop discharge hopper, zhonghuan discharge hopper and inner ring discharge hopper keep away from steel sheet storehouse one end and set up electronic slide valve respectively, outer loop discharge hopper, zhonghuan discharge hopper and inner ring discharge hopper bottom connect outer loop discharge pipe, zhonghuan discharge pipe and inner ring discharge pipe one end respectively through the pipeline, outer loop discharge pipe, zhonghuan discharge pipe and inner ring discharge pipe other end connect main supply air duct, main supply air duct connects out the ash pipe, set up the circulating pump box on the ash pipe, circulating pump box top connects circulation feed back pipe one end, the circulation feed back pipe other end is connected at steel sheet storehouse top.

The steel plate bin is a prompt bin and consists of a bin top, a bin body and a cone hopper, and the steel plate bin is provided with a bin inlet and outlet system, a cleaning system, a drying system, a material level monitoring system and a ventilation system.

The steel plate storehouse bottom sets up outer loop discharge hopper, zhonghuan discharge hopper and inner ring discharge hopper respectively by interior outside to, and outer loop discharge hopper, zhonghuan discharge hopper and inner ring discharge hopper arrange along the circumferencial direction annular, and outer loop discharge hopper, zhonghuan discharge hopper and inner ring discharge hopper fill opening are big end opening down, and outer loop discharge hopper, zhonghuan discharge hopper and inner ring discharge hopper headwall angle are not less than the degree, and outer loop discharge hopper, zhonghuan discharge hopper and inner ring discharge hopper in the steel plate storehouse adopt concrete structure or steel construction, and outer loop discharge hopper, zhonghuan discharge hopper and the inner ring discharge hopper in the steel plate storehouse are honeycomb and arrange.

The outer ring ash discharging pipe, the middle ring ash discharging pipe, the inner ring ash discharging pipe and the ash discharging pipe are made of common carbon steel pipes.

Compared with the prior art, the utility model has the advantages that one end of the plant area ash conveying pipeline is connected with the steel plate bin, the bottom of the steel plate bin is respectively provided with the outer ring discharge hopper, the middle ring discharge hopper and the inner ring discharge hopper, one ends of the outer ring discharge hopper, the middle ring discharge hopper and the inner ring discharge hopper, which are far away from the steel plate bin, are respectively provided with the electric gate valve, the bottoms of the outer ring discharge hopper, the middle ring discharge hopper and the inner ring discharge hopper are respectively connected with one ends of the outer ring ash discharging pipe, the middle ring ash discharging pipe and the inner ring ash discharging pipe through pipelines, the other ends of the outer ring ash discharging pipe, the middle ring ash discharging pipe and the inner ring ash discharging pipe are connected with the main air supply pipeline, the main air supply pipeline is connected with the ash discharging pipe, the ash discharging pipe is provided with the circulating pump box body, the top of the circulating pump box body is connected with one end of the circulating return pipe, the other end of the circulating return pipe is connected with the top of the steel plate bin, the original discharging mode is changed, the unloading rate of ash is improved, and the discharging of any one regional fly ash in the bin can be controlled by adjusting the electric gate valve, the speed of materials entering the outer ring ash discharging pipe, the middle ring ash discharging pipe and the inner ring ash discharging pipe is controlled by controlling the opening of the electric gate valve, so that the problems that the stacking density of powder materials at the bottom of the silo is relatively increased under the huge pressure of the powder materials at the upper part, the powder materials can be agglomerated and molded, and the vaporization pipe is homogenized and discharged difficultly due to the fact that the storage capacity of a large steel plate silo is very large due to the characteristics of the fly ash are solved.

Drawings

FIG. 1 is a sectional view of a steel plate bin of a honeycomb type steel plate bin discharging device.

FIG. 2 is a plan view of a discharging hopper layer of a steel plate bin of the discharging device of the honeycomb type steel plate bin.

FIG. 3 is a plan view of a steel plate bin discharging layer of a honeycomb type steel plate bin discharging device.

Wherein, 1, a factory ash conveying pipeline; 2. a steel plate bin; 3. an outer ring discharge hopper; 4. a middle ring discharge hopper; 5. an inner ring discharge hopper; 6. an electric gate valve; 7. an outer ring ash discharge pipe; 8. a middle ring ash discharge pipe; 9. an inner ring ash discharge pipe; 10. a main air supply duct; 11. a circulating pump box body 12, an ash discharging pipe 13 and a circulating return pipe.

Detailed Description

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

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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 work 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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1:

as shown in attached figures 1-3, a honeycomb type steel plate bin discharging device comprises a plant area ash conveying pipeline 1, wherein one end of the plant area ash conveying pipeline 1 is connected with a steel plate bin 2, the bottom of the steel plate bin 2 is respectively provided with an outer ring discharge hopper 3, a middle ring discharge hopper 4 and an inner ring discharge hopper 5, one ends of the outer ring discharge hopper 3, the middle ring discharge hopper 4 and the inner ring discharge hopper 5, which are far away from the steel plate bin 2, are respectively provided with an electric gate valve 6, the bottoms of the outer ring discharge hopper 3, the middle ring discharge hopper 4 and the inner ring discharge hopper 5 are respectively connected with one ends of an outer ring ash discharging pipe 7, a middle ring ash discharging pipe 8 and an inner ring ash discharging pipe 9 through pipelines, the speeds of materials entering the outer ring ash discharging pipe 7, the middle ring ash discharging pipe 8 and the inner ring ash discharging pipe 9 are controlled by controlling the opening degree of the electric gate valves 6, the other ends of the outer ring ash discharging pipe 7, the middle ring ash discharging pipe 8 and the inner ring ash discharging pipe 9 are connected with a main air supply pipeline 10, the main air supply pipeline 10 is connected with an ash discharging pipe 12, the fly ash enters the ash discharge pipe and is blown to the ash discharge pipe 12 by the positive pressure gas conveyed by the main air supply pipeline 10, the ash discharge pipe 12 is provided with the circulating pump box body 11, the top of the circulating pump box body 11 is connected with one end of the circulating return pipe 13, the other end of the circulating return pipe 13 is connected with the top of the steel plate bin 2, as shown in figure 1, the fly ash enters the steel plate bin 2 through the ash supply pipeline 1 in a factory and then falls into the bin, the storage capacity can be determined according to the diameter and height of the steel plate bin 2, the general diameter range is 5 m-25 m, and the height is generally 5 m-50 m. Divide into 3 annular regions of unloading at the bottom of the storehouse, correspond outer loop discharge hopper 3, zhonghuan discharge hopper 4, inner ring discharge hopper 5, when accumulational fly ash is inhomogeneous in the storehouse, the accessible is controlled three regional discharge hopper subregion and is unloaded, the discharge hopper can adopt concrete structure or steel construction, no matter adopt which kind of structural style must guarantee that the lateral wall angle is not less than 50 degrees, and the inboard vulcanizer that will be installed of wall controls the flow efficiency of ash, as shown in fig. 2, the discharge hopper becomes honeycomb and arranges, inside the fly ash in the storehouse can all even inflow fill, the unloading rate can reach 100% theoretically, there is not the corner that can the deposition in the storehouse.

The steel plate bin 2 is a lippu bin which has the following advantages: the sealing performance is good, the double-layer spiral turned edge is adopted in the utility model, the sealing strip is embedded in the inside, the seaming is tight, the air tightness is good, and the grain storage is facilitated; the utility model has wide application, and can be used for storing liquid materials such as water and edible oil besides depositing grain bulk materials; the warehouse building speed is high, and the efficiency is high; 50k t Lipu bins can be built by each SM type special device every year, a 500 cubic meter silo can be completed by 5 persons in 1 day, labor force is saved, construction period is short, and cost is low compared with that of building the silo; the capacity of a single bin of a Lipu bin is small, special requirements are placed on a steel plate, the utilization rate of a place is low, a zinc coating layer is simply damaged during occlusion, the steel plate bin 2 consists of a bin top, a bin body and a cone hopper, and the steel plate bin 2 is provided with a bin inlet and outlet system, a cleaning system, a drying system, a material level monitoring system and a ventilation system.

The bottom of the steel plate bin 2 is provided with an outer ring discharging hopper 3, a middle ring discharging hopper 4 and an inner ring discharging hopper 5 from inside to outside respectively, the outer ring discharging hopper 3, the middle ring discharging hopper 4 and the inner ring discharging hopper 5 are arranged in a circular manner along the circumferential direction, the upper openings of the hopper openings of the outer ring discharging hopper 3, the middle ring discharging hopper 4 and the inner ring discharging hopper 5 are large, the lower openings of the hopper openings of the outer ring discharging hopper 3, the middle ring discharging hopper 4 and the inner ring discharging hopper 5 are small, the wall angles of the outer ring discharging hopper 3, the middle ring discharging hopper 4 and the inner ring discharging hopper 5 are not less than 50 degrees, the outer ring discharging hopper 3, the middle ring discharging hopper 4 and the inner ring discharging hopper 5 in the steel plate bin 2 are arranged in a honeycomb manner, and as shown in fig. 3, an outer ring ash discharging pipe 7 is arranged under the outer ring discharging hopper opening 3; the middle ring ash discharging pipe 8 is arranged right below the opening of the middle ring discharging hopper 4; the inner ring ash discharge pipe 9 is arranged right below the inner ring discharge hopper opening; the pipe diameter of the ash discharging pipe needs to ensure the flow requirement of ash discharging, the power mainly depends on positive pressure gas of a main air supply pipeline, a gas source mainly comes from a Roots blower which is a positive displacement blower, the delivered air quantity is proportional to the revolution, the three-blade impeller performs 3 times of suction and exhaust by 2 impellers every time the three-blade impeller rotates, compared with a two-blade impeller, the gas pulsation is reduced, the load change is small, the mechanical strength is high, the noise is low, the vibration is small, 2 three-blade impellers are arranged on 2 parallel shafts, and tiny gaps are always kept among the impeller, an inner hole surface of an oval case and all the impellers. The impeller is always kept in a correct phase by the synchronous gear, mutual contact is avoided, high speed is achieved, internal lubrication is not needed, the structure is simple, operation is stable, performance is stable, the impeller is suitable for multiple purposes, and the impeller is applied to a wide field. The material of the outer ring, the middle ring and the inner ring can be unloaded simultaneously by controlling the valve at the air inlet, and the material of any two areas and one area can also be unloaded. The material finally enters the circulating pump box body and is lifted to the top of the steel plate bin 2 or enters the next-stage process system through the circulating material return pipe 13.

The outer ring ash discharge pipe 7, the middle ring ash discharge pipe 8, the inner ring ash discharge pipe 9 and the ash discharge pipe 12 are made of common carbon steel pipes.

The working process of the utility model is as follows: fly ash falls into the storehouse after getting into steel sheet storehouse 2 tops through factory area dust conveying pipeline 1, the end falls into 3 annular regions of unloading, correspond outer loop discharge hopper 3, zhonghuan discharge hopper 4, inner ring discharge hopper 5, when accumulational fly ash is inhomogeneous in the storehouse, the accessible controls the three regional discharge hopper subregion and unloads, roots's fan is to the malleation gas of main supply air pipeline, open the valve of air intake department and can unload outer loop discharge ash pipe 7 simultaneously, zhonghuan discharge ash pipe 8, the material of inner ring discharge ash pipe 9, also can unload wherein arbitrary two regional and regional materials, the material finally gets into in the circulating pump box and is promoted to steel sheet storehouse 2 tops or gets into next-level process systems through circulation return pipe 13.

While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the invention.

Claims (4)

1. A honeycomb type steel plate bin discharging device comprises a plant area ash conveying pipeline (1) and is characterized in that one end of the plant area ash conveying pipeline (1) is connected with a steel plate bin (2), an outer ring discharging hopper (3), a middle ring discharging hopper (4) and an inner ring discharging hopper (5) are respectively arranged at the bottom of the steel plate bin (2), an electric gate valve (6) is respectively arranged at one end, far away from the steel plate bin (2), of each of the outer ring discharging hopper (3), the middle ring discharging hopper (4) and the inner ring discharging hopper (5), the bottoms of the outer ring discharging hopper (3), the middle ring discharging hopper (4) and the inner ring discharging hopper (5) are respectively connected with one end of an outer ring ash discharging pipe (7), a middle ring ash discharging pipe (8) and an inner ring ash discharging pipe (9) through pipelines, the other ends of the outer ring ash discharging pipe (7), the middle ring ash discharging pipe (8) and the inner ring ash discharging pipe (9) are connected with a main air supply pipeline (10), the main air supply pipeline (10) is connected with an ash discharging pipe (12), a circulating pump box body (11) is arranged on the ash discharging pipe (12), one end of a circulating material return pipe (13) is connected to the top of the circulating pump box body (11), and the other end of the circulating material return pipe (13) is connected to the top of the steel plate bin (2).

2. The honeycomb steel plate silo discharging device of claim 1, wherein: the steel plate bin (2) is a popularization bin, the steel plate bin (2) is composed of a bin top, a bin body and a cone hopper, and the steel plate bin (2) is provided with a bin inlet and outlet system, a cleaning system, a drying system, a material level monitoring system and a ventilation system.

3. The honeycomb steel plate silo discharging device of claim 1, wherein: steel sheet storehouse (2) bottom sets up outer loop discharge hopper (3), zhonghuan discharge hopper (4) and inner ring discharge hopper (5) respectively by interior outside to, outer loop discharge hopper (3), zhonghuan discharge hopper (4) and inner ring discharge hopper (5) are arranged along the circumferencial direction annular, outer loop discharge hopper (3), zhonghuan discharge hopper (4) and inner ring discharge hopper (5) fill mouth is big the end opening little, outer loop discharge hopper (3), zhonghuan discharge hopper (4) and inner ring discharge hopper (5) headwall angle do not are less than 50 degrees, outer loop discharge hopper (3), zhonghuan discharge hopper (4) and inner ring discharge hopper (5) adopt concrete structure or steel construction, outer loop discharge hopper (3) in steel sheet storehouse (2), zhonghuan discharge hopper (4) and inner ring discharge hopper (5) are honeycomb arrangement.

4. The honeycomb steel plate silo discharging device of claim 1, wherein: the outer ring ash discharging pipe (7), the middle ring ash discharging pipe (8), the inner ring ash discharging pipe (9) and the ash discharging pipe (12) are made of common carbon steel pipes.

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