CN218425479U

CN218425479U - Molten iron filter box

Info

Publication number: CN218425479U
Application number: CN202222310882.4U
Authority: CN
Inventors: 刘延峰; 刘磊
Original assignee: Zunyi Xinlite Metal Material Technology Co ltd
Current assignee: Zunyi Xinlite Metal Material Technology Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-02-03
Anticipated expiration: 2032-08-29

Abstract

The application discloses a molten iron filter box in the technical field of smelting equipment, which comprises a T-shaped box body, wherein the top of the box body is provided with an opening; the box includes horizontal portion and the vertical portion that communicates each other, and the fixed baffle that is equipped with in intercommunication department of horizontal portion and vertical portion, the bottom of baffle are equipped with the opening, and one side that horizontal portion was kept away from to vertical portion is equipped with the standing groove, and the filter screen has been placed to standing groove department, and the standing groove still is equipped with the relief hole that runs through vertical portion, and the bottom of horizontal portion and the bottom of vertical portion all face the standing groove downward sloping. This scheme setting has the baffle of opening, because most is the dross in the impurity, these dross receive blockking of baffle to be held back in baffle department to accomplish the prefiltering of molten iron, improve the filter effect of filter screen.

Description

Molten iron filter box

Technical Field

The utility model relates to a smelting equipment technical field, concretely relates to molten iron rose box.

Background

Casting refers to a processing mode of melting solid metal into liquid state, pouring the liquid state into a casting mold with a specific shape, and solidifying and forming the liquid state. In the prior art, after pig iron is smelted into molten iron, impurities float on the surface of the molten iron, and the casting forming effect is influenced if the impurities are not cleaned.

In general, the prior art uses a filter hopper to perform filtering, for example, refer to patent CN113770342 a-a molten iron filtering apparatus for casting, i.e. a filter screen is arranged in the filter hopper. Firstly, the filter hopper in the filtering mode is in a closed state, so that impurities on the filter screen cannot be cleaned quickly in time, and the closed state can also cause higher internal pressure along with the gradual pouring of molten iron, so that the molten iron is not favorable for quickly passing through the filter screen; secondly, because the high temperature resistant filter screen cost is high, and prior art does not carry out prefiltering to the molten iron, and impurity pile in a large number causes the filter capacity to reduce on the filter screen, then must clear up or change the filter screen and just can continue to filter.

SUMMERY OF THE UTILITY MODEL

The utility model provides a molten iron rose box to solve among the prior art a large amount of impurity pile and collect on the filter screen, cause the problem that filtering capacity reduces.

In order to solve the above problem, the utility model provides a following technical scheme: a molten iron filter box comprises a T-shaped box body, wherein the top of the box body is provided with an opening; the box includes the horizontal portion and the vertical portion of mutual intercommunication, and the fixed baffle that is equipped with in intercommunication department of horizontal portion and vertical portion, the bottom of baffle are equipped with the opening, and one side that horizontal portion was kept away from to vertical portion is equipped with the standing groove, and the filter screen has been placed to standing groove department, and the standing groove still is equipped with the relief hole that runs through vertical portion, and the bottom of horizontal portion and the bottom of vertical portion all face the standing groove downward sloping.

The utility model discloses a theory of operation: this scheme will treat filterable molten iron to pour into horizontal portion in, the molten iron flows towards vertical portion through the opening of baffle bottom, because most impurity all is the dross, these dross float in the top of baffle opening, then these dross receive blockking of baffle, along with horizontal portion molten iron reduces gradually, most dross is held back in horizontal portion, thereby it is less to make the molten iron that flows to the filter screen contain impurity, realize the prefiltering of molten iron, the molten iron that flows to vertical portion passes behind the filter screen and discharges behind the relief hole, accomplish the molten iron and filter.

The utility model has the advantages that: compared with the prior filtering device mentioned in the background art, the scheme has the following advantages: 1. the box has uncovered in this scheme, then can not appear sealing and cause internal pressure to increase, slows down the problem of molten iron flow speed. 2. This scheme sets up the baffle that has the opening, because the majority is the dross in the impurity, these dross receive blockking of baffle to be held back in baffle department, thereby accomplish the prefiltering of molten iron, make the impurity that contains in the flow direction filter screen molten iron just become few, pile up the filter residue on filtering just few, make the filter screen keep good filter capacity, accomplish the molten iron and filter the back, only need wash the filter residue on dross and the filter screen and can filter once more.

Further, the bottom of the transverse part and the bottom of the longitudinal part are inclined downwards by an angle of 3-5 degrees. Make the molten iron have certain flow velocity towards filtering the hole under this inclination, but can not influence the filter effect of molten iron to can avoid the molten iron to solidify in advance, cause unable flow.

Further, the inner walls of the transverse part and the longitudinal part are provided with high temperature resistant layers. The high temperature resistant layer has high temperature resistant and isolated heat function of escaping outward, when guaranteeing the extension of box life, also can avoid the molten iron heat to escape outward in a large number, guarantees that the molten iron has the mobility.

Furthermore, the size of the filter screen is the same as that of the placing groove. The filter screen can be just placed in the placing groove in the arrangement mode, so that the filtering effect of the filter screen is ensured.

Further, the transverse part is symmetrically welded with hanging rings. The rings are arranged to conveniently lift the filter box to the position near the smelting furnace.

Further, the open cover is buckled with a cover plate. The cover plate is snapped in the opening when not in use to close the transverse and longitudinal portions.

Drawings

FIG. 1 is a front view of a molten iron filtering box of the present invention;

FIG. 2 isbase:Sub>A vertical cross-sectional view of FIG. 1 taken along section line A-A;

fig. 3 is a vertical cross-sectional view of fig. 1 taken along section line B-B.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: longitudinal portion 1, filter screen 2, horizontal portion 3, baffle 4, discharge opening 5, through opening 6.

In the following statements, all the directional terms such as "left", "right", "upper", "lower", etc. are based on the directions shown in the drawings, and in practice, the corresponding structures do not affect the implementation of the schemes under the condition that the relative positions are kept unchanged by the same directional changes based on the directions.

Example (b): a molten iron filter box comprises a T-shaped box body as shown in figure 1, wherein the top of the box body is provided with an opening; the box includes horizontal portion 3 and vertical portion 1 of intercommunication each other, as shown in fig. 2, the intercommunication department fixedly connected with baffle 4 of horizontal portion 3 and vertical portion 1, and through opening 6 has been seted up to the bottom of baffle 4, as shown in fig. 3, one side that horizontal portion 3 was kept away from to vertical portion 1 is equipped with the standing groove, and filter screen 2 has been placed to standing groove department, and filter screen 2 is made by high temperature resistant material, like pottery, alloy filter screen. The standing groove is also provided with a discharge hole 5 penetrating through the longitudinal part 1, the bottom of the transverse part 3 and the bottom of the longitudinal part 1 are both inclined downwards towards the standing groove, and the inclination angle is 3 degrees.

This scheme will treat filterable molten iron to pour into in

transverse part

3, 6 orientation longitudinal portion 1 of opening of 4 bottoms of baffle of molten iron flow, because most impurity all is the dross, these dross float in the top of 4 openings of baffle 6, then these dross receive blockking of baffle 4, along with 3 molten irons of transverse part reduce gradually, most dross is held back in transverse part 3, thereby it is less to make the molten iron that flows to filter screen 2 contain impurity, realize the prefiltering of molten iron, discharge after passing filter screen 2 through 5 relief holes of flow direction longitudinal portion 1's molten iron, accomplish the molten iron and filter.

Compared with the prior filtering device mentioned in the background art, the scheme has the following advantages: 1. the box has uncovered in this scheme, then can not appear sealing and cause internal pressure to increase, slows down the problem of molten iron flow velocity. 2. This scheme sets up baffle 4 that has opening 6, because the majority is the dross in the impurity, these dross receive stopping of baffle 4 and held back in baffle 4 department, thereby accomplish the prefilter of molten iron, make the impurity that contains just become few in the 2 molten irons of flow direction filter screen, it is just few to pile up the filter residue on filtering, make filter screen 2 keep good filter capacity, can filter just clear up many times, accomplish the molten iron and filter the back, only need wash the filter residue that falls on dross and the filter screen 2 and can filter once more.

For those skilled in the art, without departing from the structure of the present invention, many 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. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a molten iron rose box which characterized in that: comprises a T-shaped box body, and the top of the box body is provided with an opening; the box includes horizontal portion and the vertical portion that communicates each other, and the fixed baffle that is equipped with in intercommunication department of horizontal portion and vertical portion, the bottom of baffle are equipped with the opening, and one side that horizontal portion was kept away from to vertical portion is equipped with the standing groove, and the filter screen has been placed to standing groove department, and the standing groove still is equipped with the relief hole that runs through vertical portion, and the bottom of horizontal portion and the bottom of vertical portion all face the standing groove downward sloping.

2. The molten iron filter box of claim 1, wherein: the angle of downward inclination of the bottom of the transverse part and the bottom of the longitudinal part is 3-5 degrees.

3. The molten iron filter box of claim 2, wherein: and the inner walls of the transverse part and the longitudinal part are provided with high-temperature resistant layers.

4. The molten iron filter box of claim 3, characterized in that: the size of the filter screen is the same as that of the placing groove.

5. The molten iron filter box of claim 4, wherein: the transverse part is symmetrically welded with hanging rings.

6. The molten iron filter box of claim 5, wherein: the open end is buckled with a cover plate.