CN215765159U

CN215765159U - Slag hole poking device of manual hot blast stove in coal grinding system

Info

Publication number: CN215765159U
Application number: CN202121467806.3U
Authority: CN
Inventors: 于朝桂; 王聪; 荆浩驰; 王吉龙; 郭君; 佟立新
Original assignee: Guoneng Green Energy Co ltd
Current assignee: Guoneng Green Energy Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-02-08
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a slag poking port device of a manual hot blast stove in a coal mill system, which belongs to the technical field of hot blast stoves of the coal mill system, and particularly relates to a slag poking port device of the manual hot blast stove in the coal mill system, which comprises a hot blast stove ash bucket, wherein the bottom of the hot blast stove ash bucket is provided with an access hole, the middle part of the access hole is welded with a slag poking pipe, the upper end of the slag poking pipe is provided with a slag poking port cover plate, the slag poking pipe is matched with a slag poking rod, the lower end of the hot blast stove ash bucket is provided with a slag discharging electro-hydraulic push rod, a material level meter is arranged in the hot blast stove ash bucket, the slag poking port cover plate is connected with the slag poking pipe through an iron chain, the access hole and the hot blast stove ash bucket are welded in a seamless way, the utility model has simple structure, convenient manufacture, low cost and convenient maintenance, can avoid the contact of high temperature of operators when the slag poking of the hot blast stove, effectively solves the problem that slag is not easy to fall off at the bottom, especially when the slag of the hot blast stove burns more slag and coking coal powder at the bottom, the method is more beneficial to the long-time safe and stable operation of the system.

Description

Slag hole poking device of manual hot blast stove in coal grinding system

Technical Field

The utility model relates to the technical field of hot blast stoves of coal milling systems, in particular to a slag poking port device of a manual hot blast stove in a coal milling system.

Background

During operation of the coal mill system, coal powder drying requires a hot blast stove to provide dry process hot air for the coal mill, and the hot blast stove comprises a stove body, a burner and related electrical and mechanical parts. Slag is easy to accumulate at the bottom of the hot blast stove and cannot be discharged from the electro-hydraulic push rod in the operation process of the hot blast stove, so that the accumulation of the slag at the bottom of the hot blast stove is gradually increased, and the safe and stable operation of a coal mill system is seriously influenced.

At present, most of the traditional ash and slag cleaning modes of an ash hopper of a hot blast stove of a coal mill system are for knocking a pipeline of a slag discharge port, equipment is easily damaged, the ash and slag cleaning effect is not ideal, and finally, the system is stopped due to the fact that more ash and slag are accumulated, and unnecessary loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a manual hot blast stove slag poking port device in a coal grinding system, which aims to solve the problems that at present, most of the traditional ash slag cleaning modes of an ash hopper of the hot blast stove of the coal grinding system are realized by knocking a pipeline at a slag discharging port, equipment is easy to damage, the ash cleaning effect is not ideal, and finally, the system is stopped due to more accumulated ash slag, so that unnecessary loss is caused.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a slag hole device is disclosed to manual hot-blast furnace among coal mill system, includes the hot-blast furnace ash bucket, the access hole is installed to hot-blast furnace ash bucket bottom, the welding of access hole middle part has disclosed the sediment pipe, disclose sediment pipe upper end and install and disclose the sediment mouth apron, disclose the cooperation of sediment pipe and have disclosed the sediment pole, the hot-blast furnace ash bucket lower extreme is provided with row sediment electricity liquid push rod, install the charge level indicator in the hot-blast furnace ash bucket.

Preferably, the slag poking port cover plate is connected with the slag poking pipe through an iron chain.

Preferably, the slag poking pipe is welded with the access hole in a seamless mode, and the access hole is welded with the ash bucket of the hot blast stove in a seamless mode.

Preferably, the slag poking pipe has the inner diameter of 80mm and the length of 180 mm. The length of the slag poking rod is 800 mm.

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

1) when a high material level signal of the material level indicator gives an alarm, the end cover is opened, and a slag poking rod is used for deep digging into the bottom of an ash bucket of the hot blast stove along a slag poking pipe for deslagging, so that the operation is convenient, and the blockage is avoided;

2) the slag poking device has the advantages of simple structure, convenience in manufacture, low cost and convenience in maintenance, can avoid operators from contacting high temperature during slag poking, effectively solves the problem that slag bonding at the bottom of the hot blast stove is difficult to drop, and is more beneficial to long-time safe and stable operation of the system particularly when more combustion slag of the hot blast stove is easy to coke pulverized coal at the bottom.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the slag poking device of the present invention, which is used by a worker poking slag through a slag poking rod.

In the figure: 1 hot-blast furnace ash bucket, 2 disclose the slag pipe, 3 access holes, 4 disclose the slag hole apron, 5 disclose the slag pole, 6 arrange sediment electric liquid push rods, 7 charge level indicator.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a slag hole device is disclosed to manual hot-blast furnace in coal mill system, includes hot-blast furnace ash bucket 1, and hot-blast furnace ash bucket 1 is installed in the hot-blast furnace bottom, access hole 3 is installed to hot-blast furnace ash bucket 1 bottom, the welding of 3 middle parts of access hole has disclosed slag pipe 2, discloses slag pipe 2 and is made by the steel pipe, disclose 2 upper ends of slag pipe and install and disclose slag hole apron 4, disclose slag hole apron 4 and close when the hot-blast furnace moves, disclose 2 cooperations of slag pipe and disclose slag pole 5, disclose slag pole 5 and can insert and disclose

slag pipe

2, 1 lower extreme of hot-blast furnace ash bucket is provided with row sediment electricity liquid push rod 6, install charge level indicator 7 in the hot-blast furnace ash bucket 1.

The slag poking port cover plate 4 is connected with the slag poking pipe 2 through an iron chain.

And the slag poking pipe 2 and the access hole 3 are welded in a seamless manner, and the access hole 3 and the hot blast stove ash bucket 1 are welded in a seamless manner.

The inner diameter of the slag poking pipe 2 is 80mm, and the length of the slag poking pipe is 180 mm. The length of the slag poking rod 5 is 800 mm.

The working principle is as follows: when the hot blast stove operates, the upper part is a combustion area of the hot blast stove, slag generated after pulverized coal is fully combusted in the combustion area falls into an ash bucket 1 of the hot blast stove and is accumulated in the ash bucket, a slag discharging electro-hydraulic push rod 6 is periodically opened to discharge slag during operation, if pulverized coal combusted in the hot blast stove is easy to coke at the moment, the slag falling into the ash bucket 1 of the hot blast stove cannot be discharged, the ash bucket 1 of the hot blast stove is blocked, the more slag in the ash bucket 1 of the hot blast stove is accumulated, a level gauge 7 is triggered to give a high level alarm, a worker can open a slag poking port cover plate 4 at the moment, the slag poking rod 5 is used for stretching into the ash bucket 1 of the hot blast stove to manually discharge slag (as shown in figure 2), the slag poking rod 5 can rotate in the ash bucket 1 of the hot blast stove, the working efficiency is greatly improved, and the safety of the operator is ensured due to the fact that the negative pressure operation and the slag poking rod 5 is longer, the slag poking port cover plate 4 is covered after the operation is finished, the hot blast stove has the advantages of preventing air from entering the hot blast stove, along with simple structure, convenient manufacture, low cost and convenient maintenance.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a manual hot-blast furnace disclose cinder notch device among coal mill system, includes hot-blast furnace ash bucket (1), its characterized in that: hot-blast furnace ash bucket (1) bottom is installed access hole (3), access hole (3) middle part welding has and disclose slag pipe (2), disclose slag pipe (2) upper end and install and disclose slag hole apron (4), disclose slag pipe (2) cooperation and have and disclose slag pole (5), hot-blast furnace ash bucket (1) lower extreme is provided with row sediment electricity liquid push rod (6), install charge level indicator (7) in hot-blast furnace ash bucket (1).

2. The slag poking port device of the manual hot blast stove in the coal milling system as claimed in claim 1, wherein: the slag poking port cover plate (4) is connected with the slag poking pipe (2) through an iron chain.

3. The slag poking port device of the manual hot blast stove in the coal milling system as claimed in claim 1, wherein: and the slag poking pipe (2) is welded with the access hole (3) in a seamless manner, and the access hole (3) is welded with the ash bucket (1) of the hot blast stove in a seamless manner.

4. The slag poking port device of the manual hot blast stove in the coal milling system as claimed in claim 1, wherein: the inner diameter of the slag poking pipe (2) is 80mm, the length of the slag poking pipe is 180mm, and the length of the slag poking rod (5) is 800 mm.