CN219620350U

CN219620350U - Annular cooling dedusting ash pneumatic conveying device

Info

Publication number: CN219620350U
Application number: CN202320553087.XU
Authority: CN
Inventors: 谢龙飞; 谢金龙; 李喜娜; 梁利峰; 常同辉; 郑雪枫
Original assignee: Beijing Yingluo Technology Co ltd
Current assignee: Beijing Yingluo Technology Co ltd
Priority date: 2023-03-18
Filing date: 2023-03-18
Publication date: 2023-09-01
Anticipated expiration: 2033-03-18

Abstract

The utility model provides a pneumatic conveying device for annular-cooling dedusting ash, which comprises a bin pump, wherein the top end of the bin pump is provided with an inlet, the top end of the inlet is provided with an inlet valve in a sealing manner, the top end of the inlet valve is connected with a metal corrugated pipe in a sealing manner, the top end of the metal corrugated pipe is connected with a manual gate valve in a sealing manner, the bottom end of the bin pump is connected with a gasification chamber, the left side and the right side of the gasification chamber are respectively connected with an air inlet pipeline and a conveying pipeline, and one side of the bin pump is also provided with an air distribution device. The device can be used in series and parallel, and flexible pipelines can be conveyed without blockage; simple structure, stable transportation, few control points, simple operation and low failure rate, and greatly reduces the abrasion of materials to equipment and valves.

Description

Annular cooling dedusting ash pneumatic conveying device

Technical Field

The utility model relates to a pneumatic conveying device for ring-cooled fly ash, which is mainly applied to a pneumatic conveying system for ring-cooled fly ash of a sintering machine or materials with the particle size smaller than 5 mm.

Background

The iron content of the annular cooling dust of the sintering machine is more than 40%, and part of the secondary dust (with finer granularity) is recycled as sintering raw material, and the other part is recycled as shaft furnace pellet raw material. For a long time, a large amount of dust and mud are recycled in sintering, and the problems of long-time transportation and transportation by a tank truck or a plate truck exist, and the traditional pneumatic conveying pump has the defects of high iron content, high specific gravity of materials, high manufacturing cost, high conveying pressure, large abrasion of equipment and pipeline equipment and the like aiming at the problems of high specific gravity of the materials, and the main aspects are as follows: firstly, the variety and quantity of the dust are large, and the complex components are greatly different; the elements such as K, na, CL, zn in the flue gas dust collection ash enrich harm, and the dust is dumped and raised to harm pneumoconiosis of operators; the dust and mud are always transported by open cars and fall to the ground, and the dust is raised for many times on the loading and unloading sites and during transportation, so that the environment is polluted.

The annular cooling dust of the sintering machine can be used as sintering raw material for recycling, and the traditional conveying mode adopts the design of a tank truck transporting and plate truck transporting device. The technical mode has the defects that dust is generated to pollute the environment, dust is generated due to shuttle transportation of vehicles in factories, tail gas emission of the vehicles is generated, dangers are generated due to shuttle of the vehicles in factories, a post operator needs to operate manually, and a dust collection point and a receiving point need to be provided with more staff.

Disclosure of Invention

In order to overcome the phenomena of dust removal, dust transportation, dust emission and the like at present, the utility model provides a circular cooling dust removal pneumatic conveying device, which is realized by the following specific technical means:

the utility model provides a cold dust removal ash air conveying device of ring, includes the storehouse pump, the top of storehouse pump is equipped with the import, and the top sealing mounting of import has the entry valve, the top sealing connection of entry valve has the metal bellows, the top sealing connection of metal bellows has manual push-pull valve, the bottom of storehouse pump is connected with the gasification chamber, distribution device is still installed to one side of storehouse pump, distribution device includes the first manual ball valve of external air supply, the bottom of first manual ball valve is connected with first double-end silk pipe, the bottom of first double-end silk pipe is connected with first tee bend, the other two ports of first tee bend are connected with connecting pipe and second manual ball valve respectively, the other end of second manual ball valve is connected with first double-end silk check valve, the bottom of connecting pipe is connected with the second tee bend, the other end of second three-end silk pipe is connected with second double-end silk pipe and second pen container check valve respectively, the other end of second pen container check valve is connected with fourth double-end silk pipe, the other end of second pen container check valve is connected with the third double-end silk pipe, the other end of second pen container pipe is connected with the third ball valve through the third double-end silk pipe, the ball valve is connected with the third ball valve, the third pen container is connected with the third double-end silk pipe through the third ball valve, the ball valve is connected with the third double-end silk pipe.

Further, the other end of the first pen container type check valve is connected with a first single-head wire pipe, the other end of the first single-head wire pipe is communicated with a second single-head wire pipe, and the bottom end of the second single-head wire pipe is communicated with one side of the top end of the bin pump.

Further, the top end of the second single-head wire tube is connected with a pressure transmitter, and an axial pressure gauge is installed on one side of the pressure transmitter.

Further, a level gauge and an exhaust valve are arranged at the top end of the bin pump.

Further, both the inlet valve and the exhaust valve are of a disc valve structure.

Compared with the prior art, the utility model has the following beneficial effects:

1. the device can be used in series and combined, has large ash conveying amount and is not limited by the ash conveying amount;

2. the conveying performance is stable, and the influence caused by fluctuation of conditions such as material characteristic change is avoided;

3. the outlet of the gasification chamber is easy to form a T-shaped tee joint, can be used in series, and has large ash conveying amount;

4. the device has the advantages of simple structure, stable conveying, few control points, simple operation and low failure rate, and can increase or decrease the capacity of the bin pump according to space conditions;

5. the inlet valve and the exhaust valve are both in disc valve structures, so that the abrasion of dust-removing materials to the valve is reduced to a great extent while the tight sealing of the conveying device is ensured;

6. the device has simple structure, low overall cost of the equipment and easy use.

Drawings

Fig. 1 is a front view of a pneumatic conveying device for ring-cooled fly ash according to the present utility model.

Fig. 2 is a schematic top view of a pneumatic conveying device for ring-cooled fly ash according to the present utility model.

FIG. 3 is a schematic view of section B-B of FIG. 1.

Fig. 4 is a schematic diagram of the serial use of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a bin pump; 2. a metal bellows; 3. an inlet valve; 4. a manual gate valve; 5. a gasification chamber; 6. a level gauge; 7. an exhaust valve; 8. a first manual ball valve; 9. a first double-ended wire tube; 10. a first tee; 11. a connecting pipe; 12. a second tee; 13. a second double-ended wire tube; 14. an internal thread elbow; 15. a third double-ended wire tube; 16. a first single-ended wire tube; 17. a fourth double-ended wire tube; 18. a second manual ball valve; 19. a first barrel check valve; 20. a second barrel check valve; 21. a third manual ball valve; 22. a third barrel check valve; 23. a pressure transmitter; 24. an axial pressure gauge; 25. a second single-ended wire tube; 26. a delivery conduit; 27. an air intake duct.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1 to 4:

the utility model provides a circular cooling dust removing pneumatic conveying device, which comprises a bin pump 1, wherein the top end of the bin pump 1 is provided with an inlet, the top end of the inlet is provided with an inlet valve 3 in a sealing way, the top end of the inlet valve 3 is connected with a metal corrugated pipe 2 in a sealing way, the top end of the metal corrugated pipe 2 is connected with a manual gate valve 4 in a sealing way, the bottom end of the bin pump 1 is connected with a gasification chamber 5, one side of the bin pump 1 is also provided with a gas distribution device, the gas distribution device comprises a first manual ball valve 8 externally connected with a gas source, the bottom end of the first manual ball valve 8 is connected with a first double-head wire pipe 9, the bottom end of the first double-head wire pipe 9 is connected with a first tee joint 10, the other two ports of the first tee joint 10 are respectively connected with a connecting pipe 11 and a second manual ball valve 18, the other end of the second manual ball valve 18 is connected with a first pen container type check valve 19, the bottom of connecting pipe 11 is connected with second tee bend 12, just the other two ports of second tee bend 12 are connected with second double-end silk pipe 13 and second pen container formula check valve 20 respectively, the other end of second pen container formula check valve 20 is connected with fourth double-end silk pipe 17, the other end of second double-end silk pipe 13 is connected with internal thread elbow 14, the other end of internal thread elbow 14 is connected with third manual ball valve 21, just the other end of third manual ball valve 21 is connected with third double-end silk pipe 15, the other end of third double-end silk pipe 15 is connected with third pen container formula check valve 22, just third pen container formula check valve 22 passes through elbow and the bottom intercommunication of gasification chamber 5, the left and right sides of gasification chamber 5 is connected with air inlet pipe 27 and delivery conduit 26 respectively, just air inlet pipe 27 communicates with fourth double-end silk pipe 17.

The other end of the first pen container type check valve 19 is connected with a first single-head wire tube 16, the other end of the first single-head wire tube 16 is communicated with a second single-head wire tube 25, and the bottom end of the second single-head wire tube 25 is communicated with one side of the top end of the bin pump 1.

The top end of the second single-head wire tube 25 is connected with a pressure transmitter 23, and an axial pressure gauge 24 is installed on one side of the pressure transmitter 23.

Wherein, level gauge 6 and discharge valve 7 are installed on the top of storehouse pump 1.

Wherein, inlet valve 3 and discharge valve 7 are the disk valve structure, can guarantee that conveyor seals closely, and to a great extent has reduced the wearing and tearing of dust removal material to the valve.

The working principle of the embodiment is as follows: when in use, the device can be connected in series and in parallel, and under the control of the PLC control device, the device automatically works according to a program, and the flow is as follows: during normal conveying, the bin pump 1 is empty, the inlet valve 3 of the bin pump 1 and the bin pump exhaust valve 7 are in an open state, charging is started, and cold dust of the material sintering ring is discharged into the bin pump 1 through gravity. When the material level indicator 6 triggers the high material level indicator, the inlet valve 3 and the exhaust valve 7 are closed, the air source of the main air inlet component of the bin pump 1 is opened, the air distribution device of the bin pump 1 is opened, the air source of the top pressurizing and tail conveying component of the gasification chamber 5 and the bin pump 1 is pressurized, and the materials start to be conveyed; when the pressure of the bin pump is reduced to 0.02MPa, the exhaust valve 7 is opened to release the residual pressure in the bin pump 1, then the inlet valve 3 of the bin pump 1 is opened to start charging, and thus one operation period is completed. Wherein, the bin pump 1 is provided with a pressure transmitter 23, and the blanking time of the inlet valve 3 of the bin pump 1 can be adjusted through a picture at any time through the pressure feedback detected by the pressure transmitter 23.

When the device is about to be blocked, the pressure change of the conveying gas in the pipeline can be caused, and at the moment, the PLC control device can stop blanking circulation according to the detected signal, and the device enters a blocking removing process to avoid blocking.

The PLC control device has various alarm functions. If the conveying device is blocked, the bin pump 1 is overfilled, the air source pressure is low, and the like, the PLC control device gives an alarm. In the conveying process of the conveying device, once the pipeline pressure rises and reaches a preset warning value, the PLC control device can send an alarm signal to enter the blockage removing process. Through the self-diagnosis function that PLC controlling means set up, the behavior of each part of online diagnosis device, when charge level indicator 6, entry valve 3, discharge valve 7 or pressure transmitter 23 appear abnormal state, even when breaking down, PLC controlling means can discover the problem place, reminds operating personnel to handle in time simultaneously.

It should be noted that, the PLC control device is a device or apparatus existing in the prior art, or a device or apparatus that can be implemented in the prior art, and the power supply, the specific composition and the principle thereof are clear to those skilled in the art, and are common knowledge in the art, so they will not be described in detail.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a cold fly ash pneumatic conveyor of ring, includes storehouse pump (1), the top of storehouse pump (1) is equipped with the import, and the top seal of import installs entry valve (3), its characterized in that: the utility model discloses a valve, including inlet valve (3), metal bellows (2) are sealed to the top of inlet valve (3), manual push-pull valve (4) are sealed to the top of metal bellows (2), the bottom of storehouse pump (1) is connected with gasification chamber (5), valve device is still installed to one side of storehouse pump (1), valve device includes the first manual ball valve (8) of external air supply, the bottom of first manual ball valve (8) is connected with first double-end silk tube (9), the bottom of first double-end silk tube (9) is connected with first tee bend (10), the other two ports of first tee bend (10) are connected with connecting pipe (11) and second manual ball valve (18) respectively, the other end of second manual ball valve (18) is connected with first pen container check valve (19), the bottom of connecting pipe (11) is connected with second tee bend (12), just the other two ports of second tee bend (12) are connected with second pen container silk tube (13) and second pen container check valve (20) respectively, the other end of second tee bend (20) is connected with the second ball valve (14) in the second threaded bend (14), and the other end of third manual ball valve (21) is connected with third double-end silk pipe (15), the other end of third double-end silk pipe (15) is connected with third pen container check valve (22), just third pen container check valve (22) are through elbow and the bottom intercommunication of gasification chamber (5), the left and right sides of gasification chamber (5) are connected with air inlet pipe (27) and pipeline (26) respectively, just air inlet pipe (27) and fourth double-end silk pipe (17) intercommunication.

2. The annular cooling dust removal pneumatic conveying device according to claim 1, wherein: the other end of the first pen container type check valve (19) is connected with a first single-head wire tube (16), the other end of the first single-head wire tube (16) is communicated with a second single-head wire tube (25), and the bottom end of the second single-head wire tube (25) is communicated with one side of the top end of the bin pump (1).

3. The annular cooling dust removal pneumatic conveying device as claimed in claim 2, wherein: the top end of the second single-head wire tube (25) is connected with a pressure transmitter (23), and one side of the pressure transmitter (23) is provided with an axial pressure gauge (24).

4. The annular cooling dust removal pneumatic conveying device according to claim 1, wherein: the top end of the bin pump (1) is provided with a material level gauge (6) and an exhaust valve (7).

5. The annular cooling dust removing pneumatic conveying device according to claim 4, wherein: the inlet valve (3) and the exhaust valve (7) are of disc valve structures.