CN106987679A - A kind of converter dry dust pelletizing system is met an urgent need dustless ash-unloading hopper device - Google Patents

Abstract

An emergency dust-free ash unloading hopper device for a converter dry dedusting system, including a square cloth bag, a short pipe for unloading ash, a square flange cover, a square flange I, dumping lugs, transport lugs, and an ash hopper, the upper end of which is fixed There is a square flange Ⅰ, the dumping lug and the transport lug are fixed on the side of the ash hopper, the square flange cover is connected with the square flange Ⅰ through bolts, a square inlet is arranged on the square flange cover, and the short pipe of the ash discharge joint is fixed on the At the square entrance of the square flange cover, the short pipe of the ash discharge joint is connected to the emergency ash discharge port of the converter dry dust removal system through a square cloth bag. The invention collects the dust removal ash discharged from the emergency ash discharge port of the dry dust removal system of the converter, and is an emergency dust-free ash discharge bucket that can prevent dust and burns, and ensures that there is no dust phenomenon during the emergency ash discharge process of the banana bend of the evaporative cooler and the electrostatic precipitator. , to ensure the safety of the ash unloading operation environment and personnel. The invention is easy to install, disassemble and maintain, has good airtightness, safe use, simple operation and low manufacturing cost.

Description

An emergency dust-free ash unloading device for converter dry dust removal system

technical field

The invention relates to an ash unloading bucket device, in particular to an emergency dust-free ash unloading bucket device for a dry dust removal system of a converter.

Background technique

In the converter dry primary dedusting system, the evaporative cooler banana bend and the electrostatic precipitator are equipped with emergency ash discharge ports. The ash discharge port of the ash system is transported to the ash bin, but it needs to use the emergency ash discharge port to discharge directly to the converter platform or the ground, which is easy to cause serious dust, the working environment is harsh, and the temperature of the dust removal dust is generally above 100°C, without protection Emissions can easily cause personal scald accidents. Although the ash trough can be used to collect the ash at the emergency ash discharge port, it is still unavoidable to avoid dust due to its non-airtight feature.

Contents of the invention

The purpose of the present invention is to provide an emergency dust-free ash unloading hopper device for converter dry dedusting system, which collects the dedusting ash discharged from the emergency ash unloading port of converter dry dedusting system, and can prevent dust and burns, and ensure that the dust is discharged in the banana bend of the evaporative cooler. And there is no dust phenomenon during the emergency ash unloading process of the electrostatic precipitator, ensuring the ash unloading operation environment and personnel safety.

In order to achieve the above object, the present invention adopts the following technical solutions to realize:

An emergency dust-free ash unloading hopper device for a converter dry dedusting system, including a square cloth bag, a short pipe for unloading ash, a square flange cover, a square flange I, dumping lugs, transport lugs, an ash hopper, and the upper end of the ash hopper The square flange Ⅰ is fixed, the dumping lug and the transport lug are fixed on the side of the ash hopper, the square flange cover is connected with the square flange Ⅰ through bolts, there is a square inlet on the square flange cover, and a short pipe for the ash discharge joint It is fixed at the square entrance of the square flange cover, and the short pipe of the ash discharge joint is connected to the emergency ash discharge port of the dry dust removal system of the converter through a square cloth bag.

It also includes an ash hopper support, which is fixed on the bottom of the ash hopper.

It also includes walking rollers, which are installed at the bottom of the ash hopper.

One side of the ash hopper is an inclined plane.

A square flange II is fixed on the upper end of the short pipe of the ash unloading joint, and the lower end of the square cloth bag is pressed against the square flange II on the upper end of the short pipe of the ash unloading joint through a movable square flange and fixed by bolts; The bottom of the emergency ash discharge port of the dust removal system is also fixed with a square flange II, and the upper end of the square bag is pressed on the square flange II at the bottom of the emergency ash discharge port through a movable square flange and fixed by bolts.

Compared with prior art, the beneficial effect of the present invention is:

An emergency dust-free ash unloading device for converter dry dedusting system, which collects the dedusting ash discharged from the emergency ash unloading port of converter dry dedusting system, and can prevent dust and burns, and ensure that the emergency unloading of the banana bend of the evaporative cooler and the electrostatic precipitator There is no dust phenomenon during the ash process, ensuring the ash unloading operation environment and personnel safety. Each part of the invention is easy to install, disassemble and maintain, has good airtightness, and is easy to transport and dump dust for dust removal. The utility model has the advantages of safe use, simple operation and low cost.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of an emergency dust-free ash unloading bucket device for a converter dry dedusting system according to the present invention.

Fig. 2 is a side view of an emergency dust-free ash unloading hopper device of a converter dry dedusting system according to the present invention (embodiment 1).

Fig. 3 is a side view of an emergency dust-free ash unloading hopper device of a converter dry dedusting system according to the present invention (embodiment 2).

Fig. 4 is a three-dimensional structural schematic diagram of the short pipe of the ash unloading joint in the present invention.

Fig. 5 is a structural schematic diagram of a movable square flange.

In the figure: 1-square cloth bag, 2-short pipe for ash unloading joint, 3-square flange cover, 4-square flange I, 5-dumping lug, 6-transport lug, 7-ash hopper, 8-ash Bucket support, 9-fixing bolt, 10-emergency ash unloading port, 11-traveling roller, 12-movable square flange, 13-square flange II.

detailed description

The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:

See Fig. 1-Fig. 5, an emergency dust-free ash unloading device for converter dry dedusting system, including square cloth bag 1, short pipe for ash unloading joint 2, square flange cover 3, square flange I 4, dumping lug 5, Transport lug 6, ash hopper 7, the upper end of ash hopper 7 is fixed with square flange I4, dumping lug 5 and transport lug 6 are fixed on the side of ash hopper 7, square flange cover 3 is connected with square flange I4 through bolts Connection, there is a square inlet on the square flange cover 3, the short pipe 2 of the ash discharge joint is fixed at the square entrance of the square flange cover 3, and the short pipe 2 of the ash discharge joint is connected to the emergency chamber of the dry dust removal system of the converter through the square bag 1 Ash unloading port 10.

One side of the ash hopper 7 is a slope. This slope is a dust dumping surface.

A square flange II13 is fixed on the upper end of the short pipe 2 of the ash unloading joint, and the lower end of the square cloth bag 1 is pressed against the square flange II13 on the upper end of the short pipe 2 of the ash unloading joint through a movable square flange 12 and fixed by bolts ; There is also a square flange II 13 fixed at the bottom of the emergency ash discharge port 10 of the converter dry dedusting system, and the upper end of the square cloth bag 1 is pressed against the square flange II 13 at the bottom of the emergency ash discharge port 10 through a movable square flange 12 And fixed by bolts.

When installing the square cloth bag 1, you can put two movable square flanges 12 on the outside of the square cloth bag 1, cut off the four corners of the two ends of the square cloth bag 1, fold the bottom edge outwards, and pass through the two movable square flanges. 12 Press the two ends of the square cloth bag 1 up and down on the square flange II12 at the bottom of the emergency ash discharge port 10 and the square flange II12 at the upper end of the short pipe of the ash discharge joint, and then fix them with bolts. The square cloth bag is perforated. The square cloth bag clamped between the movable square flange 12 and the square flange II 13 can also play a role of sealing to prevent dust from leaking out. It can be fixed with four bolts, and it is very convenient to install and disassemble.

The short pipe 2 of the ash unloading joint is the same in size as the emergency ash unloading port, and is vertically opposite to the installation. The present invention uses a soft connection to connect the short pipe 2 of the ash discharge joint to the emergency ash discharge port 10, and the connection can be completed without strict alignment, and the installation and disassembly are very simple and easy.

The short pipe 2 of the ash discharge joint is welded together with the square flange cover 3, and the square flange cover 3 is perforated at the joint with the short pipe 2 of the ash discharge joint, and the size of the opening is the inner diameter of the short pipe 2 of the ash discharge joint. The square flange I4 is welded together with the ash bucket 7. Square flange Ⅰ 4 and square flange cover 3 have the same bolt hole size and position, and a bolt hole is set in the center of each side of square flange Ⅰ 4 and square flange cover 3, and square flange Ⅰ 4 is connected to square flange Ⅰ 4 by four fixing bolts 9. The flange cover 3 is tightly fixed to form an airtight ash hopper with a cover to prevent dust.

Two dumping lugs 5 are installed at the rear of the ash hopper 7 for dumping dust. Two transportation lugs 6 are respectively installed on the left and right sides, which are used for crane reversing. The front part of the ash hopper 7 is designed with an ash unloading bevel, which is beneficial for dumping and ash unloading. Before dumping the dust removal dust, the square flange cover 3 is taken off, and the dust removal dust is dumped by using the lifting lug 5 for dumping. After the dumping is finished, reinstall and reset.

Example 1:

An emergency dust-free ash unloading hopper device for a converter dry dedusting system, including a square cloth bag 1, a short pipe for ash unloading joint 2, a square flange cover 3, a square flange I 4, a dumping lug 5, a transport lug 6, and an ash hopper 7. The upper end of the ash hopper 7 is provided with a square flange I4, the dumping lug 5 and the transport lug 6 are fixed on the side of the ash hopper 7, the square flange cover 3 is connected with the square flange I4 through bolts, and the square flange cover 3 is provided with a square entrance, the ash discharge joint short pipe 2 is fixed at the square entrance of the square flange cover 3, and the ash discharge joint short pipe 2 is connected to the emergency ash discharge port 10 of the converter dry dust removal system through a square cloth bag 1.

Also comprise ash hopper support 8, ash hopper support 8 is fixed on the bottom of ash hopper 7, and ash hopper 7 bottom pads are convenient for forklift transportation.

Example 2:

An emergency dust-free ash unloading hopper device for a converter dry dedusting system, including a square cloth bag 1, a short pipe for ash unloading joint 2, a square flange cover 3, a square flange I 4, a dumping lug 5, a transport lug 6, and an ash hopper 7. The upper end of the ash hopper 7 is provided with a square flange I4, the dumping lug 5 and the transport lug 6 are fixed on the side of the ash hopper 7, the square flange cover 3 is connected with the square flange I4 through bolts, and the square flange cover 3 is provided with a square entrance, the ash discharge joint short pipe 2 is fixed at the square entrance of the square flange cover 3, and the ash discharge joint short pipe 2 is connected to the emergency ash discharge port 10 of the converter dry dust removal system through a square cloth bag 1.

Also comprise walking roller 11, and walking roller 11 is installed in ash hopper 7 bottoms.

The ash hopper 7 equipped with walking rollers 11 is easy to move, and is convenient for the connection operation of the short pipe 2 of the ash unloading joint and the emergency ash unloading port 10 of the converter dry dust removal system.

Ash unloading joint short pipe 2, square flange cover 3, square flange Ⅰ 4, dumping lug 5, transport lug 6, ash hopper 7, square flange Ⅱ 13, movable square flange 12, ash hopper support 8 made of Q235B, square cloth bag 1 is made of high temperature resistant glass fiber.

Claims (5)

1. An emergency dust-free ash unloading hopper device for a converter dry dedusting system, characterized in that it includes a square cloth bag, a short pipe for unloading ash, a square flange cover, a square flange I, dumping lugs, transport lugs, ash The upper end of the ash hopper is fixed with a square flange Ⅰ, the dumping lug and the transport lug are fixed on the side of the ash hopper, the square flange cover is connected with the square flange Ⅰ through bolts, and a square inlet is arranged on the square flange cover , The short pipe of the ash discharge joint is fixed at the square entrance of the square flange cover, and the short pipe of the ash discharge joint is connected to the emergency ash discharge port of the dry dust removal system of the converter through a square cloth bag. 2. An emergency dust-free ash unloading device for a converter dry dedusting system according to claim 1, further comprising an ash hopper support fixed at the bottom of the ash hopper. 3. An emergency dust-free ash unloading hopper device for a converter dry dedusting system according to claim 1, characterized in that it also includes walking rollers installed at the bottom of the ash hopper. 4. An emergency dust-free ash unloading hopper device for a converter dry dedusting system according to claim 1, wherein one side of the ash hopper is an inclined plane. 5. The emergency dust-free ash unloading hopper device of a converter dry dedusting system according to claim 1, characterized in that a square flange II is fixed on the upper end of the short pipe of the ash unloading joint, and the lower end of the square bag passes through A movable square flange is pressed on the square flange II at the upper end of the short pipe of the ash discharge joint and fixed by bolts; a square flange II is also fixed at the bottom of the emergency ash discharge port of the converter dry dust removal system, and the upper end of the square bag Press a movable square flange on the square flange II at the bottom of the emergency ash discharge port and fix it with bolts.