CN216890822U

CN216890822U - Slag cutting machine of water-cooled wall gasification furnace

Info

Publication number: CN216890822U
Application number: CN202121331953.8U
Authority: CN
Inventors: 吕游; 万钢; 吴敏; 阮建飞; 马宏波; 杜金明; 石彩萍; 严建华; 欧明雄
Original assignee: Jiangsu Shuangda Pump & Valve Group Co ltd
Current assignee: Jiangsu Shuangda Pump & Valve Group Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-07-05
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a slag cutting machine of a water-cooled wall gasification furnace, which comprises a cylinder body, an end enclosure and an upper flange, wherein the upper flange is arranged at the upper end of the cylinder body, the end enclosure is arranged at the lower end of the cylinder body, and a lower flange is arranged at the bottom of the end enclosure; one end of the hopper is connected with the inner ring of the lower flange, and the other end of the hopper is connected with the lower part of the cylinder; a plurality of sliding rails are uniformly distributed on the hopper, and cutting knife bodies are arranged on the sliding rails; a plurality of connecting pipes are obliquely and uniformly distributed on the cylinder body, side flanges A are welded on the outer end faces of the connecting pipes, and protection pipes are welded on the inner end faces of the connecting pipes; the side flange A is connected with a side flange B through a bolt, the other end of the side flange B is connected with a hydraulic cylinder, a piston rod of the hydraulic cylinder penetrates through the connecting pipe and the protective pipe to be connected with the cutting knife body, and the cutting knife body is connected with the piston rod through a pin shaft. The utility model has simple and reasonable structure, low cost, simple equipment maintenance and long service life, and can cut large blocks of slag with the size larger than the size of the channel.

Description

Slag cutting machine of water-cooled wall gasification furnace

Technical Field

The utility model relates to the field of coal gasification equipment, in particular to a slag cutting machine of a water-cooled wall gasification furnace.

Background

With the vigorous development of the coal chemical industry, a gasification furnace for a coal-to-liquid gasification device has a plurality of technical routes, coal slag is prevented from blocking a pipeline in the slag discharging process of the gasification furnace, and a slag breaker is particularly arranged for breaking the slag. The traditional slag crusher forms a tool rest by arranging internal steel plates, then penetrates through a main shaft to be connected with a rotating cutter body, and forcibly crushes slag by a small gap between the relative motion of a fixed tool rest and a rotating tool rest, so that the requirement of crushing the slag is met. The traditional slag breaker aims at completely breaking the falling slag, so a guide plate is configured, the guide plate above a breaking area is easy to form an arch shape, and due to the particularity of the water-cooled wall process, a large amount of slag often falls off, bridges are built above the guide plate, so that the slag is accumulated, a system jumps, and the whole process flow stops. And the traditional slag breaker has complex structure and high cost, the shaft seal of the high-pressure equipment is inconvenient to maintain, meanwhile, the equipment is particularly complex to overhaul, and the maintenance cost is increased year by year. Some process flows have no standby production line, so that the slag breaker is difficult to meet the production requirements.

Disclosure of Invention

The utility model aims to solve the technical problems and provides a slag cutting machine of a water-cooled wall gasification furnace.

In order to achieve the technical purpose and achieve the technical requirements, the utility model adopts the technical scheme that: the utility model provides a sediment machine is cut to water-cooled wall gasifier, includes barrel, head, goes up flange, its characterized in that: the upper end of the cylinder body is provided with an upper flange, the lower end of the cylinder body is provided with an end socket, and the bottom of the end socket is provided with a lower flange; one end of the hopper is connected with the inner ring of the lower flange, and the other end of the hopper is connected with the lower part of the cylinder; a plurality of sliding rails are uniformly distributed on the hopper, and cutting knife bodies are arranged on the sliding rails; a plurality of connecting pipes are obliquely and uniformly distributed on the cylinder body, the outer end faces of the connecting pipes are welded with side flanges A, and the inner end faces of the connecting pipes are welded with protective pipes; the side flange A is connected with a side flange B through a bolt, the other end of the side flange B is connected with a hydraulic cylinder, a piston rod of the hydraulic cylinder penetrates through the connecting pipe and the protective pipe to be connected with the cutting knife body, and the cutting knife body is connected with the piston rod through a pin shaft.

Preferably: and an included angle alpha is formed between the slide rail and the horizontal direction.

Preferably: an included angle beta is formed between the connecting pipe and the protective pipe and the horizontal direction.

Preferably: and an included angle gamma is formed between the hydraulic cylinder and the horizontal direction.

Preferably: the angle α = angle β = angle γ, the angle α > 30 °.

Preferably: the adapter tube and the protection tube may be provided as an integral structure. Preferably: the connecting pipe is radially provided with a water inlet.

Preferably, the following components: the whole cutting knife body is subjected to thermal refining treatment, and a wear-resistant layer is welded on the surface of the cutting knife body in a build-up welding mode.

Preferably: and carrying out overall thermal refining on the sliding rail.

Preferably: the hydraulic cylinder is controlled by an electric control device.

Compared with the traditional structure, the utility model has the beneficial effects that:

1. simple structure is reasonable, and low in manufacturing cost can cut the bold slag that is greater than the passageway size, and equipment maintenance is simple, need not to unpack apart the upper flange, can directly get into inside the equipment through lower square flange, maintains internals such as cutting knife body, slide rail.

2. Arrange the hopper above the head, form the supplementary row's of slope on the one hand and arrange sediment, on the other hand hopper plays the effect of fixed slide rail as the base of slide rail.

3. The external electric control device controls the hydraulic cylinder to act through an electrically interlocked logic program, so that the small slag can be directly discharged, the cutting function of the large slag can be completed, the sliding rail is prevented from being blocked, and the slag at the sliding rail can be pushed out through reciprocating motion.

4. The pillar plays the guard action to the piston rod, avoids the mating surface to be destroyed by the slag, radially is provided with the water inlet on the takeover, through the bearing seal that washes the pneumatic cylinder, reduces the temperature of bearing seal, and the sparge water blocks through pillar department simultaneously that black aqueous medium gets into the pneumatic cylinder and destroys the bearing seal, has prolonged pneumatic cylinder life.

5. The whole cutting knife body is subjected to thermal refining treatment, and the wear-resistant layer is formed on the surface of the cutting knife body in a surfacing mode, so that the service life of the cutting knife body is prolonged.

6. The cutting knife is provided with a plurality of groups of hydraulic cylinders which are alternately used, so that the service lives of the hydraulic cylinders and the cutting knife body are prolonged, and a plurality of groups of hydraulic cylinders or the cutting knife body can be maintained at one time.

Drawings

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

FIG. 2 is a schematic view of the cutting blade body of the present invention in its minimum stroke configuration;

FIG. 3 is a top view of the cutting blade body of the present invention at full travel;

in the figure: 1. the cutting machine comprises an upper flange, a cylinder body 2, a sealing head 3, a lower flange 4, a hopper 5, a cutting cutter body 6, a sliding rail 7, a protective pipe 8, a pin shaft 9, a piston rod 10, a connecting pipe 11, side flanges A and 13, a hydraulic cylinder 14 and a side flange B12.

Detailed Description

The present invention is further described below.

Referring to the attached drawings, the slag cutting machine of the water-cooled wall gasification furnace comprises a cylinder body 2, a seal head 3, an upper flange 1 and is characterized in that: an upper flange 1 is arranged at the upper end of the cylinder 2, an end enclosure 3 is arranged at the lower end of the cylinder 2, and a lower flange 4 is arranged at the bottom of the end enclosure 3; one end of the hopper 3 is connected with the inner ring of the lower flange 4, and the other end is connected with the lower part of the cylinder 2; a plurality of sliding rails 7 are uniformly distributed on the hopper 3, and cutting knife bodies 6 are arranged on the sliding rails 7; a plurality of connecting pipes 11 are obliquely and uniformly distributed on the cylinder body 2, the outer end faces of the connecting pipes 11 are welded with side flanges A12, and the inner end faces are welded with protective pipes 8; the side flange A12 is connected with a side flange B14 through a bolt, the other end of the side flange B14 is connected with a hydraulic cylinder 13, a piston rod 10 of the hydraulic cylinder 13 penetrates through a connecting pipe 11 and a protective pipe 8 to be connected with a cutting knife body 6, and the cutting knife body 6 is connected with the piston rod 10 through a pin shaft 9.

In the preferred embodiment, the slide rail 7 forms an included angle α with the horizontal direction.

In the preferred embodiment, the connection pipe 11 and the protection pipe 8 form an included angle β with the horizontal direction.

In the preferred embodiment, the hydraulic cylinder 13 forms an included angle γ with the horizontal direction.

In the preferred embodiment, the included angle α = included angle β = included angle γ, and the included angle α > 30 °.

In the preferred embodiment, the adapter tube 11 and the protective tube 8 may be provided as a unitary structure. In the preferred embodiment, the connecting pipe 11 is provided with a water inlet in the radial direction.

In the preferred embodiment, the cutting blade body 6 is integrally subjected to thermal refining, and a wear-resistant layer is welded on the surface of the cutting blade body.

In the preferred embodiment, the slide rail 7 is subjected to thermal refining as a whole.

In the preferred embodiment, the hydraulic cylinder 13 is controlled by an electric control device.

The utility model is provided with an electric control device, and controls the time, frequency, sequence and the like of the action of the hydraulic cylinder through an electrically interlocked logic program; the number of the hydraulic cylinders can be configured into 2, 4, 6, 8 and the like according to the inner diameter of the cylinder body and the technological parameters of the gasification furnace. The stroke of the hydraulic cylinder needs to be determined according to the size of the cylinder body and the inclination angle of the hopper. Two opposed pneumatic cylinders are a set of, and normal during operation, a set of pneumatic cylinder work can, all the other groups use according to actual need in turn. When the gasifier works, the cutting knife body 6 is positioned at the minimum stroke of the hydraulic cylinder 13, the material channel is kept smooth, and small slag falling from the gasifier is directly discharged; the cutting blade body 6 is cut up from the large slag blocks larger than the channel size at the maximum stroke of the hydraulic cylinder 13. The action frequency of the hydraulic cylinder 13 is 100-150 times/hour, so that small slag can be directly discharged conveniently, the cutting function of large slag can be completed, the sliding rail is prevented from being blocked, and the slag at the sliding rail can be pushed out by reciprocating motion. The cutting knife body 6 generally stays at the minimum stroke of the hydraulic cylinder, so that the material channel is kept smooth.

The above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, but not intended to limit the scope of the present invention, and all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.

Claims

1. The utility model provides a sediment machine is cut to water-cooled wall gasifier, includes barrel (2), head (3), goes up flange (1), its characterized in that: an upper flange (1) is arranged at the upper end of the cylinder body (2), an end enclosure (3) is arranged at the lower end of the cylinder body (2), and a lower flange (4) is arranged at the bottom of the end enclosure (3); one end of the hopper (5) is connected with the inner ring of the lower flange (4), and the other end is connected with the lower part of the cylinder body (2); a plurality of sliding rails (7) are uniformly distributed on the hopper (5), and cutting knife bodies (6) are arranged on the sliding rails (7); a plurality of connecting pipes (11) are obliquely and uniformly distributed on the cylinder body (2), the outer end face of each connecting pipe (11) is welded with a side flange A (12), and the inner end face of each connecting pipe is welded with a protective pipe (8); the cutting knife is characterized in that the side flange A (12) is connected with a side flange B (14) through a bolt, the other end of the side flange B (14) is connected with a hydraulic cylinder (13), a piston rod (10) of the hydraulic cylinder (13) penetrates through a connecting pipe (11) and a protective pipe (8) to be connected with the cutting knife body (6), and the cutting knife body (6) is connected with the piston rod (10) through a pin shaft (9).

2. The water-cooled wall gasifier slag cutting machine according to claim 1, characterized in that: and an included angle alpha is formed between the sliding rail (7) and the horizontal direction.

3. The water-cooled wall gasifier slag cutting machine according to claim 1, characterized in that: an included angle beta is formed between the connecting pipe (11) and the protective pipe (8) and the horizontal direction.

4. The water-cooled wall gasifier slag cutting machine according to claim 1, characterized in that: and an included angle gamma is formed between the hydraulic cylinder (13) and the horizontal direction.

5. The slag cutting machine of the water-cooled wall gasifier according to claim 2, 3 or 4, characterized in that: the angle α = angle β = angle γ, the angle α > 30 °.

6. The water-cooled wall gasifier slag cutting machine according to claim 1, characterized in that: the connecting pipe (11) and the protective pipe (8) can be arranged into an integral structure.

7. The water-cooled wall gasifier slag cutting machine according to claim 1 or 2, characterized in that: a water inlet is radially arranged on the connecting pipe (11).

8. The water-cooled wall gasifier slag cutting machine according to claim 1 or 2, characterized in that: the cutting knife body (6) is subjected to overall quenching and tempering treatment, and a wear-resistant layer is welded on the surface of the cutting knife body in a build-up welding mode.

9. The water-cooled wall gasifier slag cutting machine according to claim 1, characterized in that: and the slide rail (7) is subjected to overall thermal refining.

10. The water-cooled wall gasifier slag cutting machine according to claim 1, characterized in that: the hydraulic cylinder (13) is controlled by an electric control device.