CN212988028U

CN212988028U - Wear-resisting corrosion-resistant metal alloy steel is with interior rod of stove

Info

Publication number: CN212988028U
Application number: CN202021988013.1U
Authority: CN
Inventors: 周桂华; 张亚明; 孙建荣; 孙即波
Original assignee: XINGHUA HUALUNDA CAST STEEL CO Ltd
Current assignee: XINGHUA HUALUNDA CAST STEEL CO Ltd
Priority date: 2020-09-12
Filing date: 2020-09-12
Publication date: 2021-04-16
Anticipated expiration: 2030-09-12

Abstract

The utility model discloses a wear-resistant and corrosion-resistant metal alloy steel furnace inner roller, which comprises a bottom plate and a furnace inner roller; the left side and the right side of the bottom plate are symmetrically and fixedly provided with two racks, and the left end and the right end of the furnace inner roller are respectively in rotating connection with the racks through two connecting rotating shafts; the roller has set gradually wearing layer, insulating layer and anticorrosive coating from outer to interior in the stove, and the surface mosaic of wearing layer installs a plurality of wear pads, the rivers passageway has been seted up to the center department of roller in the stove, and a plurality of drain pipes are evenly installed to the week side that the roller is inside to be located rivers passageway in the stove, the one end and the rivers passageway intercommunication of drain pipe, the other end and the insulating layer intercommunication of drain pipe. The utility model discloses when the roller rotates in the stove, the inside cold water of rivers passageway passes through the inside that the drain pipe flowed into the insulating layer, reduces roller surface temperature in the stove, avoids the roller in the stove to be heated and worn, improves the abrasive resistance of roller in the stove.

Description

Wear-resisting corrosion-resistant metal alloy steel is with interior rod of stove

Technical Field

The utility model relates to a roller technical field in the stove specifically is a wear-resisting corrosion-resistant interior roller of stove for metal alloy steel.

Background

On the production line of a continuous rolling pipe group, reheating is carried out before the tension reducing of the steel pipe, the process is completed in a stepping furnace, and the steel pipe is sent to a tension reducing machine from a furnace delivery roller way (called a furnace inner roller for short). At present, the main failure mode of the roller in the furnace is that the roller surface is bonded with steel, so that quality problems such as pits, dents, external scratches and the like appear on the surface of the steel pipe after the tension reducing, the yield or grade of the steel pipe is reduced, and great economic loss is caused.

The furnace roller way is formed by combining a plurality of groups of rollers, the wear resistance of the existing furnace roller is not high in the working process, and aiming at the current situation, the development of the furnace roller for the wear-resistant corrosion-resistant metal alloy steel is urgently needed to overcome the defects in the current practical application.

Disclosure of Invention

An object of the utility model is to provide a wear-resisting corrosion-resistant metal alloy steel is with interior rod of stove to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a wear-resistant corrosion-resistant metal alloy steel furnace roller comprises a bottom plate and a furnace inner roller; the left side and the right side of the bottom plate are symmetrically and fixedly provided with two racks, and the left end and the right end of the furnace inner roller are respectively in rotating connection with the racks through two connecting rotating shafts; the roller has set gradually wearing layer, insulating layer and anticorrosive coating from outer to interior in the stove, and the surface mosaic of wearing layer installs a plurality of wear pads, the rivers passageway has been seted up to the center department of roller in the stove, and a plurality of drain pipes are evenly installed to the week side that the roller is inside to be located rivers passageway in the stove, the one end and the rivers passageway intercommunication of drain pipe, the other end and the insulating layer intercommunication of drain pipe.

As a further aspect of the present invention: the surface of the wear-resistant layer is positioned between the two wear-resistant sheets and is evenly provided with a plurality of strip-shaped oil grooves.

As a further aspect of the present invention: the wear-resistant plate is fixedly arranged on the furnace inner roller through a plurality of fastening screws.

As a further aspect of the present invention: the connecting rotating shaft is of a central structure and is communicated with the water flow channel.

As a further aspect of the present invention: the bottom plate is further provided with a filter, a heat exchanger and a circulating water pump, the water inlet end of the heat exchanger is communicated with the water outlet end of the filter through a hot water inlet pipe, the water inlet end of the filter is communicated with the left connecting rotating shaft through a hot water drain pipe, the water outlet end of the heat exchanger is communicated with the water inlet end of the circulating water pump through a cold water inlet pipe, and the water outlet end of the circulating water pump is communicated with the right connecting rotating shaft through a cold water outlet pipe.

As a further aspect of the present invention: the inside from the top down of filter installs accurate filter screen, active carbon filter screen and drain fill in proper order.

As a further aspect of the present invention: the bottom of the filter is also provided with a drainage pump, the water inlet end of the drainage pump is communicated with the bottom of the drainage hopper, and the water outlet end of the drainage pump is communicated with the hot water inlet pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses roller has set gradually wearing layer, insulating layer and anticorrosive coating from outside to inside in the stove, and the surface mosaic of wearing layer installs a plurality of wear pads, the center department of roller has seted up the rivers passageway in the stove, still evenly installs a plurality of drain pipes in the inside week that lies in the rivers passageway of roller in the stove, and the one end and the rivers passageway intercommunication of drain pipe, the other end and the insulating layer intercommunication of drain pipe, when the roller rotates in the stove, the inside cold water of rivers passageway passes through the inside that the drain pipe flowed into the insulating layer, reduces roller surface temperature in the stove, avoids the roller in the stove to be heated and worn and torn, improves the abrasive resistance of roller in the stove.

Drawings

FIG. 1 is a schematic structural view of a wear-resistant and corrosion-resistant metal alloy steel furnace roller.

FIG. 2 is a schematic view showing the structure of a filter in a wear-resistant and corrosion-resistant metal alloy steel furnace roller.

FIG. 3 is a schematic view showing the structure of an inner roller for a wear-resistant and corrosion-resistant metal alloy steel furnace.

In the figure: 1-bottom plate, 2-frame, 3-hot water inlet pipe, 4-heat exchanger, 5-connector, 6-cold water inlet pipe, 7-circulating water pump, 8-cold water outlet pipe, 9-furnace roller, 10-oil groove, 11-wear-resistant sheet, 12-fastening screw, 13-hot water drain pipe, 14-filter, 15-precision filter screen, 16-active carbon filter screen, 17-drain bucket, 18-drain pump, 19-wear-resistant layer, 20-thermal-protective layer, 21-anticorrosive layer, 22-drain pipe, 23-water flow channel.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1 and 3, in an embodiment of the present invention, a wear-resistant and corrosion-resistant metal alloy steel furnace inner roller includes a bottom plate 1 and a furnace inner roller 9; the left side and the right side of the bottom plate 1 are symmetrically and fixedly provided with two frames 2, and the left end and the right end of the furnace inner roller 9 are respectively in rotary connection with the frames 2 through two connecting rotating shafts;

the furnace roller 9 is sequentially provided with a wear-resistant layer 19, a heat-insulating layer 20 and an anticorrosive layer 21 from outside to inside, a plurality of wear-resistant pieces 11 are embedded and installed on the surface of the wear-resistant layer 19, so that the wear resistance of the surface of the furnace roller 9 is improved, the service life of the furnace roller 9 is prolonged, a plurality of strip-shaped oil grooves 10 are uniformly formed between the two wear-resistant pieces 11 on the surface of the wear-resistant layer 19, lubricating oil is introduced into the oil grooves 10, a lubricating surface is formed when the furnace roller 9 rotates, the friction force applied when the furnace roller 9 works is reduced, and the wear resistance of the furnace roller 9 is further improved;

specifically, in this embodiment, the wear-resistant plate 11 is fixedly mounted on the furnace inner roller 9 through a plurality of fastening screws 12, so that the wear-resistant plate 11 is convenient to detach and replace;

a water flow channel 23 is formed in the center of the furnace inner roller 9, a plurality of water discharge pipes 22 are uniformly arranged on the periphery of the water flow channel 23 inside the furnace inner roller 9, one end of each water discharge pipe 22 is communicated with the water flow channel 23, the other end of each water discharge pipe 22 is communicated with the heat insulation layer 20, when the furnace inner roller 9 rotates, cold water in the water flow channel 23 flows into the heat insulation layer 20 through the water discharge pipes 22, the surface temperature of the furnace inner roller 9 is reduced, and the furnace inner roller 9 is prevented from being worn by heat;

specifically, in this embodiment, the connecting rotating shaft is a central structure, and the connecting rotating shaft is communicated with the water flow channel 23 and used for introducing cold water and discharging hot water;

still install filter 14, heat exchanger 4 and circulating water pump 7 on bottom plate 1, the end of intaking of heat exchanger 4 is through the play water end intercommunication of hot water inlet tube 3 with filter 14, the end of intaking of filter 14 is through hot water drain pipe 13 and left pivot intercommunication of being connected, the end of intaking of heat exchanger 4 is through the end intercommunication of intaking of cold water inlet tube 6 with circulating water pump 7, the drainage end of circulating water pump 7 leads to cold water outlet pipe 8 and the pivot intercommunication of being connected on right side for to the internal circulation supply cold water of stove inner roll 9.

Example 2

Referring to fig. 2, the difference between the present embodiment and embodiment 1 is:

the inside of the filter 14 is sequentially provided with a precision filter screen 15, an activated carbon filter screen 16 and a drain hopper 17 from top to bottom, the bottom of the filter 14 is also provided with a drain pump 18, the water inlet end of the drain pump 18 is communicated with the bottom of the drain hopper 17, and the water outlet end of the drain pump 18 is communicated with the hot water inlet pipe 3.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. A wear-resistant corrosion-resistant metal alloy steel furnace roller comprises a bottom plate (1) and a furnace roller (9); the left side and the right side of the bottom plate (1) are symmetrically and fixedly provided with two racks (2), and the left end and the right end of the furnace inner roller (9) are respectively in rotary connection with the racks (2) through two connecting rotating shafts; the furnace roller is characterized in that the furnace roller (9) is sequentially provided with a wear-resistant layer (19), a heat-insulating layer (20) and an anticorrosive layer (21) from outside to inside, a plurality of wear-resistant pieces (11) are mounted on the surface of the wear-resistant layer (19) in an embedded mode, a water flow channel (23) is formed in the center of the furnace roller (9), a plurality of drain pipes (22) are uniformly mounted on the inner side, located on the water flow channel (23), of the furnace roller (9), one end of each drain pipe (22) is communicated with the water flow channel (23), and the other end of each drain pipe (22) is communicated with the heat-insulating layer.

2. The wear-resistant corrosion-resistant metal alloy steel furnace inner roller according to claim 1, wherein the surface of the wear-resistant layer (19) is uniformly provided with a plurality of long oil grooves (10) between two wear-resistant sheets (11).

3. The wear-resistant corrosion-resistant metal alloy steel furnace roller according to claim 2, wherein the wear-resistant plate (11) is fixedly mounted on the furnace roller (9) through a plurality of fastening screws (12).

4. The wear-resistant corrosion-resistant metal alloy steel furnace inner rod according to claim 1, wherein the connecting rotating shaft is of a central structure and is communicated with the water flow channel (23).

5. The furnace inner rod for the wear-resistant corrosion-resistant metal alloy steel according to claim 4, wherein the bottom plate (1) is further provided with a filter (14), a heat exchanger (4) and a circulating water pump (7), the water inlet end of the heat exchanger (4) is communicated with the water outlet end of the filter (14) through a hot water inlet pipe (3), the water inlet end of the filter (14) is communicated with the left connecting rotating shaft through a hot water drain pipe (13), the water outlet end of the heat exchanger (4) is communicated with the water inlet end of the circulating water pump (7) through a cold water inlet pipe (6), and the water outlet end of the circulating water pump (7) is communicated with the right connecting rotating shaft through a cold water outlet pipe (8).

6. The abrasion-resistant and corrosion-resistant metal alloy steel furnace inner rod according to claim 5, wherein a fine filter screen (15), an activated carbon filter screen (16) and a drainage hopper (17) are sequentially installed inside the filter (14) from top to bottom.

7. The furnace inner rod for the wear-resistant corrosion-resistant metal alloy steel according to claim 6, wherein a drainage pump (18) is further installed at the bottom of the filter (14), the water inlet end of the drainage pump (18) is communicated with the bottom of the drainage hopper (17), and the water outlet end of the drainage pump (18) is communicated with the hot water inlet pipe (3).