CN216736574U

CN216736574U - Rectangular large-reserve fly ash silo feeding and discharging technology

Info

Publication number: CN216736574U
Application number: CN202123165339.1U
Authority: CN
Inventors: 宋杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-06-14
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a big reserves of rectangle fly ash storehouse pan feeding and technique of unloading, including rectangle fly ash storehouse, the outer wall upper end fixed mounting of rectangle fly ash storehouse has a plurality of dust removers, even fixed mounting has a plurality of parallel arrangement's ash inlet pipe on the inside roof of rectangle fly ash storehouse, the bottom of rectangle fly ash storehouse evenly is provided with a plurality of gas cells, the bottom intermediate position of rectangle fly ash storehouse is provided with the batcher, one side of batcher is provided with first roots's fan, the opposite side of batcher is provided with the pneumatic conveying pump, the pneumatic conveying pump has the bulk storehouse of setting in the rectangle fly ash storehouse outside through ash outlet pipe intercommunication. The ash inlets on the adjacent ash inlet pipes of the utility model are arranged in a staggered way, thereby ensuring that the ash in the rectangular fly ash storehouse is stored evenly and the filling rate is high; the problems of poor operating environment, low production efficiency and high energy consumption during the unloading of the traditional rectangular large-reserve fly ash storehouse are effectively solved, and the emptying rate is improved.

Description

Rectangular large-reserve-capacity fly ash warehouse feeding and discharging technology

Technical Field

The utility model relates to a fly ash stores technical field, specifically is a big reserves fly ash storehouse pan feeding of rectangle and technique of unloading.

Background

China's raw coal producing area is mainly concentrated in the north, and a large number of thermal power plants are built near coal mines to produce a large amount of fly ash. The fly ash is mainly used as a building material, the north is influenced by seasons, the winter is cold, building construction conditions are not provided, the use amount of the building material is small, and a large amount of fly ash can be used everywhere in winter. Storing ash in winter and using in summer. The fly ash has fine particles, and the storage in open air can cause serious environmental pollution, so the fly ash needs to be built and stored.

Fly ash storage has two main forms: circular reservoirs and rectangular reservoirs. The circular warehouse is generally provided with warehouse unloading equipment which can realize mechanical unloading, but the circular warehouse has the defects of large investment, small storage amount, low unloading rate and the like. The rectangular storage can be designed according to local conditions by utilizing the terrain, so that the investment is saved, the storage capacity is large, and more fly ash is stored by adopting the rectangular storage. The biggest problems of the rectangular storage are that the stock can not reach the limit, the discharging is difficult, and the unloading rate is not high. The traditional unloading mode is a negative pressure suction machine, a loader, and the like, and has poor operation environment, high energy consumption and easy occurrence of safety accidents.

Based on this, the utility model designs a big reserves volume fly ash storehouse pan feeding of rectangle and technique of unloading.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big reserves of rectangle fine coal ash storehouse pan feeding and the technique of unloading to current rectangle storehouse stock that proposes in the solution background art can not reach limit, ejection of compact difficulty, and it is not high to unload the vacancy rate, and ejection of compact operational environment is poor, the energy consumption is high, easily takes place the problem of incident.

In order to achieve the above object, the utility model provides a following technical scheme: a feeding and discharging technology for a rectangular high-storage-capacity pulverized coal ash bin comprises the rectangular pulverized coal ash bin, wherein a plurality of dust collectors are fixedly mounted at the upper end of the outer wall of the rectangular pulverized coal ash bin, a plurality of parallel ash inlet pipes are uniformly and fixedly mounted on the inner top wall of the rectangular pulverized coal ash bin, a plurality of inflation boxes are uniformly arranged at the bottom of the rectangular pulverized coal ash bin, a feeding machine is arranged at the middle position of the bottom of the rectangular pulverized coal ash bin, a first Roots blower is arranged on one side of the feeding machine, a pneumatic conveying pump is arranged on the other side of the feeding machine and communicated with a bulk bin arranged outside the rectangular pulverized coal ash bin through an ash outlet pipe, and a second Roots blower is arranged between the bulk bin and the rectangular pulverized coal ash bin.

As the utility model discloses a further scheme, it is a plurality of into ash mouth has evenly been seted up to the bottom of advancing the ash pipe, just it is 6 meters to advance interval between the ash mouth, and is adjacent advance the ash mouth on the ash pipe and be crisscross setting, just the distance of advancing ash mouth and rectangle fine coal ash storehouse top is 2 meters.

As a further proposal of the utility model, the dust remover is a DMC bag type dust remover.

As the utility model discloses a further scheme, the bottom of rectangle fine coal ash storehouse is the sunken slope shape structure of intermediate position, and is a plurality of the installation inclination of plenum box is more than 4, just installation interval between the plenum box is 1 m.

As a further proposal of the utility model, the first Roots blower is used for supplying air to the pneumatic conveying pump.

As a further proposal of the utility model, the second Roots blower supplies air for the inflation box through the intake pipe.

As a further proposal of the utility model, the bottom of the bulk storehouse is provided with a bulk machine.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the ash inlet pipes which are arranged in parallel are uniformly and fixedly arranged on the inner top wall of the rectangular coal ash storehouse, a plurality of ash inlet openings are uniformly formed in the bottom of each ash inlet pipe, and the ash inlet openings on the adjacent ash inlet pipes are arranged in a staggered manner, so that the uniform ash storage and high filling rate in the rectangular coal ash storehouse can be ensured;

(2) the utility model discloses operating environment is poor when effectively having solved the big reserves fly ash storehouse of traditional rectangle and unloading, productivity ratio is low, the problem that the energy consumption is high, has protected the environment, and has improved the unloading rate in the rectangle fly ash storehouse.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of a feeding and discharging technique for a rectangular large-reserve fly ash silo according to the present invention;

FIG. 2 is a top view of the feeding and discharging technique for a rectangular large-capacity fly ash storage according to the present invention;

FIG. 3 is a schematic diagram of the distribution of the rectangular airboxes at the bottom of the rectangular large-reserve fly ash silo according to the feeding and discharging technique of the rectangular large-reserve fly ash silo of the present invention.

The names of the structures represented by the reference numerals in the description of the drawings are as follows:

1. a rectangular fly ash silo; 2. an ash inlet pipe; 3. an air inflation box; 4. a feeder; 5. a first Roots blower; 6. a pneumatic conveying pump; 7. an ash discharging pipe; 8. a bulk storage; 9. a second Roots blower; 10. a dust remover; 11. an ash inlet; 12. an air inlet pipe; 13. and (4) bulk loading machine.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-2, the present invention provides a technical solution: a feeding and discharging technology for a rectangular high-reserve pulverized coal ash bin comprises a rectangular pulverized coal ash bin 1, wherein a plurality of dust collectors 10 are fixedly mounted at the upper end of the outer wall of the rectangular pulverized coal ash bin 1, a plurality of ash inlet pipes 2 which are arranged in parallel are uniformly and fixedly mounted on the inner top wall of the rectangular pulverized coal ash bin 1, a plurality of inflation boxes 3 are uniformly arranged at the bottom of the rectangular pulverized coal ash bin 1, a feeding machine 4 is arranged at the middle position of the bottom of the rectangular pulverized coal ash bin 1, a first roots fan 5 is arranged on one side of the feeding machine 4, a pneumatic conveying pump 6 is arranged on the other side of the feeding machine 4, the pneumatic conveying pump 6 is communicated with a bulk bin 8 which is arranged on the outer side of the rectangular pulverized coal ash bin 1 through an ash outlet pipe 7, and a second roots fan 9 is arranged between the bulk bin 8 and the rectangular pulverized coal ash bin 1.

Referring to fig. 1, a plurality of ash inlets 11 are uniformly formed at the bottoms of the ash inlet pipes 2, the distance between the ash inlets 11 is 6 meters, the ash inlets 11 on the adjacent ash inlet pipes 2 are arranged in a staggered manner, and the distance between the ash inlets 11 and the top of the rectangular pulverized coal ash storage 1 is 2 meters. The staggered ash inlets 11 can ensure that the ash in the rectangular fly ash storage 1 is uniform and has high filling rate.

Specifically, the dust remover 10 is a DMC bag type dust remover.

The second embodiment is as follows:

Referring to fig. 1 and 3, the bottom of the rectangular fly ash silo 1 is a slope structure with a sunken middle position, the installation inclination angles of the aeration tanks 3 are all more than 4 °, and the installation distance between the aeration tanks 3 is 1 m. The arrangement of the aeration tank 3 with smaller discharge time interval in the rectangular fly ash storehouse 1 is convenient for realizing higher unloading rate.

Specifically, the first roots blower 5 supplies air to the pneumatic conveying pump 6.

Referring to fig. 1, the second roots blower 9 supplies air to the inflator 3 through an air inlet pipe 12.

Referring to fig. 1, a bulk loader 13 is disposed at the bottom of the bulk storage 8.

In practical application, the ash inlet pipe 2 can achieve the function of automatic material sealing, when the front-end fly ash inlet pipe 2 reaches a high position, the fly ash in the ash inlet pipe 2 forms the automatic material sealing due to the material level accumulation at the front-end outlet, and the fly ash in the pipeline is continuously conveyed to the front-end space; meanwhile, a high-level material level instrument can be arranged at the top of the warehouse, and when the high-level material level instrument gives an alarm, the high-level material level instrument is switched to a second ash inlet pipe to feed ash, and so on. The method comprises the steps that after the coal ash in a rectangular coal ash warehouse 1 is inflated and activated by an inflation box 3, the coal ash in the warehouse is fluidized, then the coal ash is continuously pushed to a feeding machine 4 through sectional control of the inflation box 3 at the bottom of the warehouse, the feeding machine 4 uniformly conveys the coal ash into a continuous pneumatic conveying pump 6, the pneumatic conveying pump 6 conveys the coal ash into a bulk warehouse 8 through an ash outlet pipe 7, and finally the coal ash is loaded and transported by a bulk loader 13 at the bottom of the bulk warehouse 8. The waste gas from the Roots blower and the warehouse in the rectangular fly ash warehouse 1 can be discharged into the atmosphere after being dedusted by the deduster 10.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A rectangular large-reserve fly ash storehouse material feeding and discharging technology comprises a rectangular fly ash storehouse (1), it is characterized in that a plurality of dust removers (10) are fixedly arranged at the upper end of the outer wall of the rectangular fly ash bin (1), a plurality of parallel ash inlet pipes (2) are uniformly and fixedly arranged on the inner top wall of the rectangular fly ash storehouse (1), a plurality of aeration boxes (3) are uniformly arranged at the bottom of the rectangular fly ash storage (1), a feeder (4) is arranged in the middle of the bottom of the rectangular fly ash bin (1), a first roots blower (5) is arranged on one side of the feeder (4), a pneumatic conveying pump (6) is arranged on the other side of the feeder (4), the pneumatic conveying pump (6) is communicated with a bulk storage (8) arranged outside the rectangular pulverized coal ash storage (1) through an ash outlet pipe (7), and a second Roots blower (9) is arranged between the bulk storage (8) and the rectangular pulverized coal ash storage (1).

2. The rectangular large-reserve fly ash silo feeding and discharging technology as claimed in claim 1, wherein a plurality of ash inlets (11) are uniformly formed in the bottoms of a plurality of the ash inlet pipes (2), the distance between the ash inlets (11) is 6 meters, the adjacent ash inlets (11) on the ash inlet pipes (2) are arranged in a staggered manner, and the distance between the ash inlets (11) and the top of the rectangular fly ash silo (1) is 2 meters.

3. The rectangular high-reserve fly ash silo feeding and discharging technique as claimed in claim 1, characterized in that the dust collectors (10) are all DMC bag type dust collectors.

4. The rectangular high-reserve fly ash silo feeding and discharging technology as claimed in claim 1, wherein the bottom of the rectangular fly ash silo (1) is a slope-shaped structure with a sunken middle position, the installation inclination angles of the inflation tanks (3) are all more than 4 degrees, and the installation distance between the inflation tanks (3) is 1 m.

5. The rectangular high-reserve fly ash silo feeding and discharging technology as claimed in claim 1, wherein the first roots blower (5) supplies air for the pneumatic conveying pump (6).

6. The rectangular high-reserve fly ash silo feeding and discharging technology as claimed in claim 1, wherein the second roots blower (9) supplies air to the charging box (3) through an air inlet pipe (12).

7. The rectangular high-reserve fly ash silo feeding and discharging technique as claimed in claim 1, characterized in that the bottom of the bulk silo (8) is provided with a bulk loader (13).