CN211385994U

CN211385994U - Continuous casting fire cutting slag flushing device

Info

Publication number: CN211385994U
Application number: CN201921944320.7U
Authority: CN
Inventors: 朱勇; 黄海涛; 袁伟; 徐俊
Original assignee: Jiangsu Shagang Group Co Ltd; Zhangjiagang Hongchang Steel Plate Co Ltd
Current assignee: Jiangsu Shagang Group Co Ltd; Zhangjiagang Hongchang Steel Plate Co Ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-09-01
Anticipated expiration: 2029-11-12

Abstract

A continuous casting fire cutting slag flushing device belongs to the technical field of continuous casting byproduct treatment. The device is arranged right above a drainage ditch in a machine pit below the continuous casting flame cutting machine and comprises a positioning support, an arc-shaped drainage plate, a spray pipe, a nozzle, a water pipe and a centrifugal water pump, wherein the arc-shaped drainage plate is connected with the bottom of the continuous casting flame cutting machine through the positioning support, the arc-shaped drainage plate comprises a left baffle, a slag-flushing inclined bottom plate and a right baffle, the slag-flushing inclined bottom plate is a concave arc surface, the tail end of the slag-flushing inclined bottom plate is inclined downwards, and the left baffle and the right baffle are respectively arranged on two sides of the slag-flushing inclined bottom plate; the shower sets up along the top of arc drainage plate, the nozzle is arranged along the shower interval, centrifugal pump passes through the water pipe and is connected with the shower. The device overcomes the problems that the continuous casting fire cutting slag is easy to accumulate in a pit area, is difficult to clean and influences production in the prior art, and meanwhile, the spray water is recycled, so that the energy consumption is saved.

Description

Continuous casting fire cutting slag flushing device

Technical Field

The utility model belongs to the technical field of continuous casting by-product is handled, concretely relates to slag washing unit is cut to continuous casting fire.

Background

The region that the quick-witted pit width 2.5 meters was transferred to conticaster fire cutter only has a wide escape canal for 0.5 meters, and the slag that the continuous casting billet fire was cut off can't in time all be washed the whirl pond, causes the quick-witted pit area slag of fire cutter to pile up, and the clearance difficulty has not only increased intensity of labour, arranges moreover to shut down the clearance, influences continuous casting production.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved is as follows: to the technical problem, the utility model provides a sediment washing unit is cut to continuous casting fire, the device has overcome among the prior art continuous casting fire and has cut the sediment and pile up in the pit area easily, is difficult to clear up and influences the problem of production, and still cyclic utilization spray water has practiced thrift the energy consumption simultaneously.

The technical scheme is as follows: a continuous casting fire slag-cutting flushing device is arranged right above a drainage ditch in a machine pit below a continuous casting fire cutting machine and comprises a positioning support, an arc-shaped drainage plate, a spray pipe, a nozzle, a water pipe and a centrifugal water pump, wherein the arc-shaped drainage plate is connected with the bottom of the continuous casting fire cutting machine through the positioning support, the arc-shaped drainage plate comprises a left baffle, a slag-cutting inclined bottom plate and a right baffle, the slag-cutting inclined bottom plate is a concave arc surface, the tail end of the slag-cutting inclined bottom plate is downward inclined, and the left baffle and the right baffle are respectively arranged on two sides of the slag-cutting inclined bottom plate; the shower sets up along the top of arc drainage plate, the nozzle is arranged along the shower interval, centrifugal pump passes through the water pipe and is connected with the shower.

Preferably, the centrifugal water pump is also connected with the rotational flow sedimentation tank through a water pipe.

Furthermore, the drainage ditch is connected with the cyclone sedimentation tank, and the drainage ditch is higher than the cyclone sedimentation tank.

Preferably, the drainage ditch is U-shaped in cross section.

Preferably, the nozzle is arranged in parallel with the slag flushing inclined bottom plate.

Preferably, the width of the arc-shaped drainage plate is the same as that of the machine pit.

Has the advantages that: the utility model can wash the steel slag of the fire cutting machine into the drainage ditch in time, and avoid the accumulation of the steel slag in the machine pit, which causes difficult cleaning and influences continuous casting production; meanwhile, the sprayed water is recycled, so that the energy consumption can be further reduced.

Drawings

FIG. 1 is a longitudinal view of a continuous casting hot cutting slag washing device;

FIG. 2 is a transverse view of the continuous casting hot cutting slag washing device;

FIG. 3 is a schematic diagram of a pump cycle of the continuous casting fire cutting slag flushing device;

the numerical references in the figures represent the following: 1. positioning the bracket; 2. an arc-shaped drainage plate; 3. a shower pipe; 4. a nozzle; 5. a water pipe; 6. a centrifugal water pump; 7. a rotational flow sedimentation tank; 8. a drainage ditch; 21. a left baffle; 22. flushing slag inclined bottom plates; 23. and a right baffle plate.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in figures 1 and 2, the continuous casting fire cutting slag flushing device is arranged right above a U-shaped drainage ditch 8 in a machine pit below a continuous casting fire cutting machine. The device comprises a positioning bracket 1, an arc-shaped drainage plate 2, a spray pipe 3, a nozzle 4, a water pipe 5 and a centrifugal water pump 6. The arc-shaped drainage plate 2 is connected with the bottom of the continuous casting flame cutting machine through the positioning support 1, and the width of the arc-shaped drainage plate is the same as that of the machine pit. The arc-shaped drainage plate 2 comprises a left baffle plate 21, a slag flushing inclined bottom plate 22 and a right baffle plate 23, the slag flushing inclined bottom plate 22 is a concave arc surface, the tail end of the slag flushing inclined bottom plate is inclined downwards, and the left baffle plate 21 and the right baffle plate 23 are respectively arranged on two sides of the slag flushing inclined bottom plate 22; the spray pipe 3 is arranged along the top end of the arc-shaped drainage plate 2; the 21 nozzles 4 are arranged at intervals along the

spray pipe

3, 7 nozzles are respectively arranged on each side of two sides and each side of the bottom edge, and the spraying direction is parallel to the slag flushing inclined bottom plate 22. The centrifugal water pump 6 is respectively connected with the spray pipe 3 and the rotational flow sedimentation tank 7 through a water pipe 5, as shown in figure 3. The drainage ditch 8 is higher than the cyclone sedimentation tank 7.

Example 2

As shown in figures 1 and 2, the continuous casting fire cutting slag flushing device is arranged in a machine pit below a continuous casting fire cutting machine and is positioned right above a U-shaped drainage ditch 8. The device comprises a positioning bracket 1, an arc-shaped drainage plate 2, a spray pipe 3, a nozzle 4, a water pipe 5 and a centrifugal water pump 6. The arc-shaped drainage plate 2 is connected with the bottom of the continuous casting flame cutting machine through the positioning support 1, and the width of the arc-shaped drainage plate is the same as that of the machine pit. The arc-shaped drainage plate 2 comprises a left baffle plate 21, a slag flushing inclined bottom plate 22 and a right baffle plate 23, the slag flushing inclined bottom plate 22 is a concave arc surface, the tail end of the slag flushing inclined bottom plate is inclined downwards, and the left baffle plate 21 and the right baffle plate 23 are respectively arranged on two sides of the slag flushing inclined bottom plate 22; the spray pipe 3 is arranged along the top end of the arc-shaped drainage plate 2; the 25 nozzles 4 are arranged at intervals along the spray pipe 3, 9 nozzles are respectively arranged at two sides, the bottom edge is 7 nozzles, and the spraying direction is parallel to the slag flushing inclined bottom plate 22. The centrifugal water pump 6 is respectively connected with the spray pipe 3 and the rotational flow sedimentation tank 7 through a water pipe 5, as shown in figure 3. The drainage ditch 8 is higher than the cyclone sedimentation tank 7.

An arc-shaped drainage steel plate with the same width as a machine pit is arranged below a continuous casting machine flame cutting machine, the arc-shaped drainage steel plate inclines downwards along the drainage direction, and a flushing water outlet is arranged right above a drainage ditch 8, so that the aim of directly flowing flushing slag into the drainage ditch 8 and discharging the flushing slag into a rotational flow sedimentation tank 7 is fulfilled; meanwhile, as the section of the drainage ditch 8 is U-shaped, the slag flushing water is less obstructed; and because the drainage ditch 8 is higher than the cyclone sedimentation tank 7, the steel slag is easier to wash into the cyclone sedimentation tank 7 and deposit at an inlet under the action of the potential energy of water, thereby being convenient for cleaning and reducing the impurities in the circulating water. A row of high-pressure spray pipes 3 are arranged at the upper end of the arc-shaped drainage steel plate and used for timely granulating the steel slag cut off by fire and flushing the steel slag into a drainage ditch 8. In order to save energy consumption, a high-pressure water pump is arranged beside the rotational flow sedimentation tank 7, and water after sedimentation treatment in the rotational flow sedimentation tank 7 is directly pumped to high-pressure spraying for useThe fire cutting slag is washed, and the working flow of the centrifugal water pump 6 is 20 m during washing³The delivery lift is 120 m, and the matched power is 30 kw.

Claims

1. The device is arranged right above a drainage ditch (8) in a machine pit below a continuous casting flame cutting machine, and is characterized by comprising a positioning support (1), an arc-shaped drainage plate (2), a spray pipe (3), a nozzle (4), a water pipe (5) and a centrifugal water pump (6), wherein the arc-shaped drainage plate (2) is connected with the bottom of the continuous casting flame cutting machine through the positioning support (1), the arc-shaped drainage plate (2) comprises a left baffle (21), a slag-washing inclined bottom plate (22) and a right baffle (23), the slag-washing inclined bottom plate (22) is a concave arc surface, the tail end of the slag-washing inclined bottom plate inclines downwards, and the left baffle (21) and the right baffle (23) are respectively arranged on two sides of the slag-washing inclined bottom plate (22); the spray pipe (3) is arranged along the top end of the arc-shaped drainage plate (2), the nozzles (4) are arranged at intervals along the spray pipe (3), and the centrifugal water pump (6) is connected with the spray pipe (3) through the water pipe (5).

2. The continuous casting hot cutting slag flushing device according to claim 1, characterized in that the centrifugal water pump (6) is also connected with a rotational flow sedimentation tank (7) through a water pipe (5).

3. The continuous casting fire cutting slag flushing device according to claim 2, characterized in that the drainage ditch (8) is connected with the cyclone sedimentation tank (7), and the drainage ditch (8) is higher than the cyclone sedimentation tank (7).

4. The continuous casting hot slag flushing device according to claim 1, characterized in that the drainage ditch (8) is U-shaped in cross section.

5. The continuous casting hot cutting slag flushing device according to claim 1, characterized in that the nozzle (4) is arranged in parallel with the slag flushing inclined bottom plate (22).

6. The continuous casting hot cutting slag flushing device according to claim 1, characterized in that the arc-shaped flow guide plate (2) has the same width as the machine pit.