CN213577536U - High-temperature slag accident discharge device for air-cooled dry slag discharge system - Google Patents

Abstract

The utility model discloses a high temperature slag accident discharging equipment for air-cooled dry slag discharging system, including putty detection mechanism, baffle box, scum pipe, atomizing dust removal mechanism and controller, putty detection mechanism sets up in the high temperature slag fill, the baffle box sets up high temperature slag fill with between the scum pipe, the slag notch department that high temperature slag was fought is equipped with electronic scum door, the feed inlet and the discharge gate of baffle box respectively with the outside of electronic scum door with the feed inlet of scum pipe is connected, atomizing dust removal mechanism sets up the top of baffle box, putty detection mechanism electronic scum door with atomizing dust removal mechanism respectively with the controller electricity is connected. The utility model provides a high-temperature furnace slag discharging device for an air-cooled dry slag discharging system, which can realize the maintenance of the air-cooled dry slag discharging system without stopping the furnace.

Description

High-temperature slag accident discharge device for air-cooled dry slag discharge system

Technical Field

The utility model relates to a high temperature furnace slag accident discharges field. More specifically, the utility model relates to a high temperature slag accident discharging equipment for air-cooled dry slag discharging system.

Background

The air-cooled dry slag discharging system of the coal-fired power plant is commonly applied to national power systems, but in recent years, the coal types of commercial products burned by each power plant are greatly changed, and the slag coking phenomenon is more and more serious. The slag is seriously caked and exceeds the designed working capacity of the equipment, so that the phenomenon that the equipment cannot normally run often occurs. In severe cases, the unit is required to be operated under reduced load, so that hidden danger is brought to safety production of a power plant.

The boiler is used as a main machine of a power plant and cannot be shut down due to small faults of the equipment. Therefore, in the process of not influencing power generation, namely, in the process of continuously burning and continuously discharging high-temperature hot slag from a boiler, a device is needed for timely and safely discharging the high-temperature slag so as to overhaul the dry slag removal system device.

The existing air-cooled dry slag-discharging conveying system adopts the following modes in case of high-temperature slag accident discharge: 1. manually judging the accident blockage; 2. manually removing the blocking materials; 3. the removed high-temperature slag is accumulated on the ground; 3. manually collecting the materials to a transfer tool and transporting the materials out. The existing accidental discharge mode of the high-temperature slag has the following defects:

1. the high-temperature furnace slag needs to be contacted with manually in a close distance, so that potential safety hazards are caused;

2. harmful dust flies, and the environment is polluted;

3. in the discharging process, the temperature of the furnace slag cannot be reduced, so that the risk of secondary accidents is brought;

4. the working efficiency is low, and the labor intensity is high;

5. automation cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can realize under the condition of not blowing out, overhaul, maintain the air-cooled dry slag discharging system equipment that is used for air-cooled dry slag discharging system's high temperature slag discharging equipment.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a high temperature furnace sediment accident discharging equipment for air-cooled dry slag discharging system, includes putty detection mechanism, baffle box, row's cinder pipe, atomizing dust removal mechanism and controller, putty detection mechanism sets up in the high temperature slag fill, the baffle box sets up high temperature slag fill with arrange between the cinder pipe, the slag notch department that high temperature slag was fought is equipped with electronic row's cinder door, the feed inlet and the discharge gate of baffle box respectively with the outside of electronic row's cinder door with the feed inlet of arranging the cinder pipe is connected, atomizing dust removal mechanism sets up the top of baffle box, putty detection mechanism electronic row's cinder door with atomizing dust removal mechanism respectively with the controller electricity is connected.

Preferably, in the high-temperature slag accident discharging device for the air-cooled dry slag discharging system, the material guide chute comprises a material guide chute body, a first driving mechanism and a material guide hopper, the material guide hopper is rotatably arranged at an opening at the upper end of the material guide chute body and is in transmission connection with the first driving mechanism, and the first driving mechanism is electrically connected with the controller.

Preferably, the high-temperature slag accident discharge device for the air-cooled dry slag discharging system comprises a telescopic pipeline body and a second driving mechanism, wherein the second driving mechanism is in transmission connection with the pipeline body and drives the pipeline body to stretch, and the second driving mechanism is electrically connected with the controller.

Preferably, the high-temperature slag accident discharge device for the air-cooled dry slag discharge system is characterized in that an atomization spraying cooling mechanism is further arranged at the discharge port of the guide chute, a temperature detection mechanism is arranged at the discharge port of the slag discharge pipe, and the atomization spraying cooling mechanism and the temperature detection mechanism are respectively electrically connected with the controller.

Preferably, in the high-temperature slag accident discharge device for the air-cooled dry slag discharge system, the temperature detection mechanism is an infrared temperature detection device.

The high-temperature slag accident discharge device of the utility model has the advantages that on one hand, when the air-cooled dry slag discharge system equipment needs to be maintained without stopping the furnace, the device plays a role in discharging the slag accident, and in a short time, the high-temperature slag is directly transported out by the charging car; on the other hand, the device provides safety guarantee, ensures the environment and personal safety, and avoids the possibility of accidents. Specifically, the utility model discloses a beneficial effect as follows:

1. detecting in time and giving out a material blockage alarm;

2. the high-temperature slag discharging process does not need close-range operation of personnel;

3. the dust flying is controlled, and the environment is improved;

4. the temperature is reduced, so that the risk of secondary accidents is reduced;

5. the labor intensity is reduced;

6. the discharging process is fully automatically operated;

7. the safe and reliable operation of the unit is guaranteed;

additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic structural view of the high temperature slag accident discharging apparatus of the present invention;

fig. 2 is a schematic structural view of a material guide chute according to the present invention;

fig. 3 is a schematic structural view of the slag discharging pipe of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Fig. 1 is the embodiment of the utility model provides a high temperature furnace slag accident discharging equipment for air-cooled dry slag discharging system, including putty detection mechanism 1, baffle box 2, scum pipe 3, atomizing dust removal mechanism 4 and controller, putty detection mechanism 1 sets up in the high temperature furnace slag fill 8, baffle box 2 sets up high temperature furnace slag fill 8 with between the scum pipe 3, the slag notch department of high temperature furnace slag fill 8 is equipped with electronic scum door 9, the feed inlet and the discharge gate of baffle box 2 respectively with the outside of electronic scum door 9 with the feed inlet of scum pipe 3 is connected, atomizing dust removal mechanism 4 sets up the top of baffle box 2, putty detection mechanism 1 electronic scum door 9 with atomizing dust removal mechanism 4 respectively with the controller electricity is connected.

In the embodiment, the blockage detection mechanism 1 is arranged in the high-temperature slag hopper 8, whether blockage exists in the high-temperature slag hopper 8 is monitored through the blockage detection mechanism 1, blockage information is sent to the controller when blockage occurs, the controller controls the electric slag discharge door 9 at the slag outlet of the high-temperature slag hopper 8 to be opened at the moment, slag in the high-temperature slag hopper 8 is discharged into the guide chute 2 through the slag outlet, the controller controls the atomizing and dust removing mechanism 4 to start working through the prompt of opening the electric slag discharge door 9, water mist is sprayed to the guide chute 2 through the atomizing and dust removing mechanism 4 to prevent a large amount of dust from being generated when the slag is discharged into the guide chute 2, then the slag in the guide chute 2 enters the slag discharge pipe 3, the lower end of the slag discharge pipe 3 is opened, the vehicle 7 for conveying the slag stops below the lower end opening of the slag discharge pipe 3, and the slag in the slag discharge pipe 3 is directly discharged into the cargo hopper of the vehicle 7 for conveying the slag, the slag is carried away by the vehicle 7 carrying the slag.

Preferably, as another embodiment of the present invention, as shown in fig. 2, the material guiding chute 2 includes a material guiding chute body 21, a first driving mechanism 22 and a material guiding hopper 23, the material guiding hopper 23 is rotatably disposed at an upper opening of the material guiding chute body 21 and is in transmission connection with the first driving mechanism 22, and the first driving mechanism 22 is electrically connected with the controller.

In this embodiment, in order to avoid that the feeding end of the material guide chute 2 is fixedly disposed at the electric slag discharge door 9 to affect the normal use of the high temperature slag hopper 8, as shown in fig. 2, in this embodiment, the material guide hopper 23 is disposed at an opening at the upper end of the material guide chute body 21, the material guide hopper 23 is rotatably connected with the upper end of the material guide chute body 21, the first driving mechanism 22 adopts a telescopic cylinder, one end of the telescopic cylinder is movably connected with the material guide hopper 23, the other end of the telescopic cylinder is movably connected with the material guide chute body 21 driving the material guide hopper 23 through a bracket, the material guide hopper 23 is driven to rotate through the extension and contraction of the first driving mechanism 22, after the controller receives the material blocking information, the controller controls the first driving mechanism 22 to drive the material guide hopper 23 to rotate to be communicated with the slag discharge port of.

Preferably, as another embodiment of the present invention, as shown in fig. 3, the slag discharging pipe 3 includes a telescopic pipe body 31 and a second driving mechanism 32, the second driving mechanism 32 is in transmission connection with the pipe body 31 and drives the pipe body 31 to stretch, and the second driving mechanism 32 is electrically connected to the controller.

In this embodiment, the second driving mechanism 32 drives the pipe body 31 to extend and contract, so that the height of the lower end of the pipe body 31 can be adjusted according to the height of the bucket of the vehicle 7 for transporting slag, and the pipe body can be applied to vehicles 7 of various heights; as shown in fig. 2, the pipeline body 31 may be composed of two circular pipes, wherein the lower end of the circular pipe located above extends into the upper end opening of the circular pipe located below, the outer wall of the circular pipe above is slidably attached to the inner wall of the circular pipe below, the second driving mechanism 32 is a telescopic cylinder, which is disposed along the axis of the circular pipe, both ends of the second driving mechanism are respectively connected to the peripheries of the two circular pipes, and the second driving mechanism 32 drives the circular pipe located below to slide on the circular pipe above, so as to reach the telescopic purpose, and adjust the height of the lower end of the pipeline body 31.

Preferably, as the utility model discloses another embodiment, the discharge gate department of baffle box 2 still is equipped with the atomizing and sprays cooling mechanism 5, and temperature-detecting mechanism 6 is infrared temperature-detecting device, the discharge gate department of scum pipe 3 is equipped with temperature-detecting mechanism 6, the atomizing spray cooling mechanism 5 with temperature-detecting mechanism 6 respectively with the controller electricity is connected.

In the embodiment, the temperature of the slag at the discharge port of the slag discharging pipe 3 is measured by the infrared temperature detection device and is sent to the processor, a threshold value is set in the processor in advance, when the temperature of the slag at the discharge port of the slag discharging pipe 3 measured by the infrared temperature detection device exceeds the threshold value, the atomization spraying cooling mechanism 5 is started, and the slag at the discharge port of the guide chute 2 is cooled by the atomization spraying cooling mechanism 5; this atomizing dust removal mechanism 4 and atomizing spray cooling mechanism 5 in novel are current atomizing spray set.

While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields suitable for the invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details and embodiments shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims (5)

1. A high-temperature slag accident discharge device for an air-cooled dry slag discharge system is characterized by comprising a blocking detection mechanism (1), a guide chute (2), a slag discharge pipe (3), an atomizing and dedusting mechanism (4) and a controller, the blocking detection mechanism (1) is arranged in the high-temperature slag hopper (8), the guide chute (2) is arranged between the high-temperature slag hopper (8) and the slag discharge pipe (3), an electric slag discharge door (9) is arranged at the slag outlet of the high-temperature slag hopper (8), the feed inlet and the discharge outlet of the guide chute (2) are respectively connected with the outer side of the electric slag discharge door (9) and the feed inlet of the slag discharge pipe (3), the atomizing dust removing mechanism (4) is arranged above the material guide groove (2), the blockage detection mechanism (1), the electric slag discharge door (9) and the atomization dust removal mechanism (4) are respectively electrically connected with the controller.

2. The high-temperature slag accidental discharge device for the air-cooled dry slag removal system according to claim 1, wherein the material guiding chute (2) comprises a material guiding chute body (21), a first driving mechanism (22) and a material guiding hopper (23), the material guiding hopper (23) is rotatably arranged at an opening at the upper end of the material guiding chute body (21) and is in transmission connection with the first driving mechanism (22), and the first driving mechanism (22) is electrically connected with the controller.

3. The high temperature slag accident discharging apparatus for air-cooled dry slag discharging system according to claim 1, wherein the slag discharging pipe (3) comprises a telescopic pipe body (31) and a second driving mechanism (32), the second driving mechanism (32) is in transmission connection with the pipe body (31) and drives the pipe body (31) to be telescopic, and the second driving mechanism (32) is electrically connected with the controller.

4. The high-temperature slag accidental discharge device for the air-cooled dry slag discharging system according to any one of claims 1 to 3, wherein the discharge outlet of the material guiding chute (2) is further provided with an atomized spray cooling mechanism (5), the discharge outlet of the slag discharging pipe (3) is provided with a temperature detection mechanism (6), and the atomized spray cooling mechanism (5) and the temperature detection mechanism (6) are respectively and electrically connected with the controller.

5. The high temperature slag accidental discharge device for air-cooled dry slag removal system according to claim 4, wherein the temperature detecting means (6) is an infrared temperature detecting device.

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