CN212051594U - A breathable brick that prevents clogging - Google Patents

Abstract

The utility model relates to a ventilation brick which can prevent clogging, which comprises a brick base and a ventilation brick body. A ventilation hole is provided at the position, the lower end of the ventilation hole is connected with a ventilation chamber, the ventilation chamber is provided with an ejector rod, the top end of the ejector rod is connected with a through rod, and the through rod and the ventilation hole are connected with each other. The bottom end of the top rod penetrates the bottom surface of the ventilation chamber and is fixedly connected to the mounting plate, the top rod and the ventilation brick body are slidably and sealedly connected, and the center of the mounting plate is connected by a threaded connection. There is a threaded rod, the upper end of the threaded rod is rotatably connected with the air-permeable brick body, the ventilation chambers are communicated through an air-guiding hole, and one end of the air-guiding hole is communicated with the outside of the air-permeable brick body and is connected with a joint The utility model has the advantages of reasonable structure design, good ventilation effect and convenient secondary utilization.

Description

A breathable brick that prevents clogging

technical field

The utility model belongs to the technical field of metallurgical technology, and particularly relates to a breathable brick which can prevent clogging.

Background technique

In the process of modern metallurgical production, in the production of molten aluminum, it is necessary to introduce nitrogen to promote the floating of inclusions in the molten aluminum or control the shape of inclusions, which is a technology commonly used in the metallurgical industry. An indispensable functional element, with the progress of the production process, aluminum liquid may solidify and condense on the breathable block, resulting in poor ventilation, affecting the production quality and the secondary use of the breathable brick; therefore, it provides a high soaking efficiency. , It is very necessary to produce low-cost breathable bricks that can prevent clogging.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art, and to provide a ventilation brick with reasonable structure design and good ventilation effect, which can prevent clogging.

The purpose of the present utility model is achieved as follows: a breathable brick that can prevent clogging, which includes a brick base and a breathable brick body, the breathable brick body is vertically penetrated and arranged at the center of the brick base, and the breathable brick The brick body is provided with a ventilation hole at a position close to the upper surface, the lower end of the ventilation hole is connected with a ventilation chamber, the ventilation chamber is provided with an ejector rod, and the top of the ejector rod is connected with a through rod. The through rod and the ventilation hole are slidably connected, the bottom end of the top rod penetrates the bottom surface of the ventilation chamber and is fixedly connected to the mounting plate, the top rod is slidably and sealedly connected with the ventilation brick body, and the mounting plate The center is connected with a threaded rod through a threaded connection, the upper end of the threaded rod is rotatably connected with the air-permeable brick body, the ventilation chambers are communicated through an air-guiding hole, and one end of the air-guiding hole is connected to the air-permeable brick body. The outside is communicated and connected with a connector.

The top end of the through rod is a hemispherical structure or a frustum-shaped structure.

A guide structure is arranged between the mounting plate and the air-permeable brick body.

The guide structure includes a guide rod fixed on the upper surface of the mounting plate, and the guide rod is slidably arranged in a guide hole on the lower surface of the air-permeable brick body.

A sealing gasket is provided at the position where the breathable brick body is slidably connected with the ejector rod.

A guide block is slidably arranged below the air guide hole in the ventilation chamber, and the guide block is fixedly connected with the ejector rod.

The bottom end of the threaded rod is connected with an operating handle or a motor.

The beneficial effects of the utility model: the utility model is provided with a plurality of ventilation chambers inside the air-permeable brick body, and the ventilation chambers are connected through air guide holes, the outer end of the air guide pipe is connected with the nitrogen pipe through the joint, and the nitrogen gas passes through the air guide hole. Enter the ventilation chamber and enter the inside of the furnace body through the ventilation hole. If the ventilation hole is blocked, the pressure in the ventilation chamber increases sharply. At this time, the threaded rod is rotated, so that the mounting plate drives the ejector rod and moves vertically upward to remove the blockage in the ventilation hole. The threaded rod is reversely rotated after the blockage in the ventilation hole is removed, so that the through rod is restored to its original position, and it is convenient for nitrogen to enter the furnace body smoothly; in general, the utility model has the advantages of reasonable structure design, good ventilation effect, convenient advantage of secondary utilization.

Description of drawings

FIG. 1 is a schematic structural diagram of a ventilating brick that can prevent clogging according to the present invention.

In the figure: 1. Brick base 2, breathable brick body 3, ventilation hole 4, ventilation chamber 5, ejector rod 6, through rod 7, air guide hole 8, joint 9, mounting plate 10, threaded rod 11, operating handle 12, guide Rod 13, guide hole 14, gasket 15, guide block.

Detailed ways

The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Example 1

As shown in FIG. 1 , a ventilation brick that can prevent clogging includes a brick base 1 and a ventilation brick body 2. The ventilation brick body 2 is vertically arranged at the center of the brick base 1, and the ventilation brick The brick body 2 is provided with a ventilation hole 3 at a position close to the upper surface. The lower end of the ventilation hole 3 is connected with a ventilation chamber 4. The ventilation chamber 4 is provided with a top rod 5, and the top of the top rod 5 is provided. A through rod 6 is connected, and the through rod 6 is slidably connected with the ventilation hole 3. The bottom end of the top rod 5 penetrates the bottom surface of the ventilation chamber 4 and is fixedly connected to the mounting plate 9. The top rod 5 It is slidingly and sealedly connected with the breathable brick body 2. The center of the mounting plate 9 is connected with a threaded rod 10 through a threaded connection. The upper end of the threaded rod 10 is rotatably connected with the breathable brick body 2. The ventilation The chambers 4 communicate with each other through an air guide hole 7 , and one end of the air guide hole 7 communicates with the outside of the ventilation brick body 2 and is connected with a joint 8 .

When the utility model is in use, the joint is connected with the nitrogen pipe, so that the nitrogen gas enters the ventilation chamber through the air guide hole, and enters the furnace body through the air hole. If the ventilation hole is blocked, the pressure in the ventilation chamber increases sharply. , so that the mounting plate drives the ejector rod and moves vertically upward to quickly remove the blockage in the ventilation hole. After the blockage in the ventilation hole is removed, the threaded rod is reversely rotated to restore the through rod to its original position and facilitate the smooth entry of nitrogen into the furnace. In general, the utility model has the advantages of reasonable structure design, good ventilation effect and convenient secondary utilization.

Example 2

As shown in FIG. 1 , a ventilation brick that can prevent clogging includes a brick base 1 and a ventilation brick body 2. The ventilation brick body 2 is vertically arranged at the center of the brick base 1, and the ventilation brick The brick body 2 is provided with a ventilation hole 3 at a position close to the upper surface. The lower end of the ventilation hole 3 is connected with a ventilation chamber 4. The ventilation chamber 4 is provided with a top rod 5, and the top of the top rod 5 is provided. A through rod 6 is connected, and the through rod 6 is slidably connected with the ventilation hole 3. The bottom end of the top rod 5 penetrates the bottom surface of the ventilation chamber 4 and is fixedly connected to the mounting plate 9. The top rod 5 It is slidingly and sealedly connected with the breathable brick body 2. The center of the mounting plate 9 is connected with a threaded rod 10 through a threaded connection. The upper end of the threaded rod 10 is rotatably connected with the breathable brick body 2. The ventilation The chambers 4 are communicated through an air guide hole 7, and one end of the air guide hole 7 is communicated with the outside of the air-permeable brick body 2 and is connected with a joint 8; the top of the through rod 6 is a hemispherical structure or a frustum-shaped structure; A guide structure is provided between the installation plate 9 and the air-permeable brick body 2; the guide structure includes a guide rod 12 fixed on the upper surface of the installation plate 9, and the guide rod 12 is slidably arranged on the air-permeable brick body 2 In the guide hole 13 on the lower surface; a sealing gasket 14 is provided at the position where the breathable brick body 2 is slidably connected with the ejector rod 5; a guide block 15 is slidably provided below the air guide hole 7 in the ventilation chamber 4 , the guide block 15 is fixedly connected with the top rod 5; the bottom end of the threaded rod 10 is connected with an operating handle 11 or a motor.

When the utility model is in use, the joint is connected with the nitrogen pipe, so that the nitrogen gas enters the ventilation chamber through the air guide hole, and enters the furnace body through the air hole. If the ventilation hole is blocked, the pressure in the ventilation chamber increases sharply. , so that the mounting plate drives the ejector rod and moves vertically upward to quickly remove the blockage in the ventilation hole. After the blockage in the ventilation hole is removed, the threaded rod is reversely rotated to restore the through rod to its original position and facilitate the smooth entry of nitrogen into the furnace. Inside the body; the top of the through rod is a hemispherical structure or a frustum-shaped structure, which is convenient for removing blockages; a guiding structure is set between the installation plate and the air-permeable brick body to prevent the installation plate from rotating relative to the air-permeable brick body, so as to ensure the ejector rod and the through-rod. The vertical movement of the ventilation brick is provided at the position where the body of the ventilation brick is slidingly connected with the ejector rod to prevent nitrogen from leaking out from the lower end; a guide block is slidably provided under the air guide hole in the ventilation chamber, so as to ensure the safety of the ejector rod and the through rod. Good positioning ensures the coaxiality of the through rod and the ventilation hole; in general, the utility model has the advantages of reasonable structure design, good ventilation effect and convenient secondary utilization.

Claims (7)

1. A breathable brick that can prevent clogging, comprising a brick base and a breathable brick body, characterized in that: the breathable brick body is vertically arranged at the center of the brick base, and the breathable brick body is close to the brick base. The position of the upper surface is provided with a ventilation hole, the lower end of the ventilation hole is connected with a ventilation chamber, the ventilation chamber is provided with an ejector rod, the top of the ejector rod is connected with a through rod, and the through rod is connected with the through rod. The air holes are slidably connected, the bottom end of the top rod penetrates the bottom surface of the ventilation chamber and is fixedly connected to the mounting plate, the top rod and the ventilation brick body are slidably and sealedly connected, and the center of the mounting plate is threaded A threaded rod is connected, the upper end of the threaded rod is rotatably connected with the ventilation brick body, the ventilation chambers are communicated through an air guide hole, and one end of the air guide hole is communicated with the outside of the ventilation brick body and connected with a connector. 2 . The air-permeable brick that can prevent clogging according to claim 1 , wherein the top end of the through rod is a hemispherical structure or a frustum-shaped structure. 3 . 3 . The air-permeable brick that can prevent clogging according to claim 1 , wherein a guide structure is arranged between the installation plate and the air-permeable brick body. 4 . 4. The block-preventing ventilation brick according to claim 3, wherein the guide structure comprises a guide rod fixed on the upper surface of the mounting plate, and the guide rod is slidably arranged on the lower surface of the ventilation brick body in the guide hole. 5 . The air-permeable brick that can prevent clogging according to claim 1 , wherein the air-permeable brick body is provided with a sealing gasket at the position where the air-permeable brick body is slidably connected with the ejector rod. 6 . 6 . The block-proof ventilation brick according to claim 1 , wherein a guide block is slidably provided below the air guide hole in the ventilation chamber, and the guide block is fixedly connected with the ejector rod. 7 . 7. The air-permeable brick that can prevent clogging according to claim 1, wherein the bottom end of the threaded rod is connected with an operating handle or a motor.

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