TWM615265U - Air-tight valve seat guard - Google Patents

Abstract

The airtight valve seat guard plate of the original creation is used to be installed on the inner side wall of the circular valve hole of an airtight valve seat. The circular valve hole extends to form a set of flanges. The base body defines a mating surface and is attached to the bottom edge of the inner side wall of the circular valve hole. The base system is adjacent to each other and has two fixed holes arranged at intervals. A gap is formed between the assembly flanges. The air-tight valve seat guard plate of this invention can provide the protective effect of the assembly flange of the air-tight valve seat. When the staff performs the installation and maintenance operations of the air-tight valve seat guard The base body and the reinforcement body can be installed or disassembled and replaced separately, thereby improving the work safety, convenience and efficiency of the installation work of the staff.

Description

Air-tight valve seat guard

This creation is an airtight valve seat guard plate, especially an airtight valve seat guard plate arranged inside an airtight valve seat.

The top of the blast furnace used for metal extraction will be equipped with a furnace-top silo for storing raw materials. The inlet and outlet are respectively provided with an inlet valve and an outlet valve that can be opened and closed. The inlet valve and the outlet valve respectively include a valve seat and one of the valve seats covered Valve disc, raw materials can enter through the inlet and be stored in the furnace top silo.

In order to prevent the internal pressure of the blast furnace from falling when the raw materials enter the blast furnace, the feed valve will be closed and pressurize the furnace top silo. When the internal pressure of the furnace top silo is close to the internal pressure of the blast furnace, the valve of the discharge valve The pan will open so that the raw material can enter the blast furnace through the discharge port.

However, in the process of discharging, when the raw material passes through the valve seat of the discharging valve, it is easy to rub and collide with the valve seat, causing the outer edge of the valve seat and the valve disc to be worn or dented, causing the valve disc to cover the valve. There is a gap when it is seated, causing gas leakage in the furnace top bunker during pressurization, and it cannot be pressurized reliably.

Therefore, as shown in Figures 9 and 10, two to three valve seat guards 90 are now installed on the inner side of the valve seat 80, and the valve seat guard 90 is fitted to cover the valve The lower edge of the inner wall of the seat 80 prevents direct friction and collision with the end edge of the valve seat 80 during the process of discharging raw materials, but the valve seat guard 90 will still be friction and collision of the raw materials after long-term use However, there is abrasion, so the staff must replace the valve seat guard 90 regularly.

However, when a worker is performing the replacement operation of the valve seat guard 90, the worker needs to enter the discharge port from below the valve seat 80 to remove and install the valve seat guard 90. The valve seat guard 90 has a relatively large volume and heavier weight, resulting in inconvenient installation and maintenance operations of the valve seat guard 90 and longer operation time, and if the valve seat guard 90 is not removed or replaced during the process of disassembly or replacement When slipping cautiously, it is easy to cause the risk of personal injury.

The main purpose of this creation is to provide an air-tight valve seat guard, hoping to improve the safety of the staff during the installation and maintenance of the valve seat guard, and the work is inconvenient and time-consuming. .

In order to achieve the purpose of the foregoing disclosure, the airtight valve seat guard plate of this invention is used to be arranged on the inner side wall of a circular valve hole of an airtight valve seat. The circular valve hole is extended to form a set of flanges. The valve seat guard plate contains: The majority of the bases define a mating surface, and the mating surface of the majority of bases is attached to the bottom edge of the inner side wall of the circular valve hole of the airtight valve seat. The plurality of bases are adjacent to each other and have two spaced apart Fixing holes, a clearance gap is formed between the plurality of base bodies and the assembly flange; and A plurality of reinforcing bodies, the plurality of reinforcing systems are stacked in parallel on the plurality of base bodies, and the plurality of reinforcing bodies respectively form the spacing clearance with the assembly flange.

The airtight valve seat guard plate of the present invention is an airtight valve seat set at the discharge port of a furnace top silo, and the The clearance and the design of the stacking assembly of the plurality of substrates and the plurality of reinforcement systems prevent the raw material from directly contacting the assembly flange during the process of discharging through the discharge port, which can effectively avoid the The material wears or collides with the assembly flange, thereby providing the protection effect of the assembly flange.

In addition, the original airtight valve seat guard plate is assembled by the majority of the base body and the majority of the reinforcing body. Therefore, when the staff performs the installation and maintenance of the original airtight valve seat guard plate, the majority of the The base body and the plurality of reinforcement bodies are installed or disassembled and replaced respectively, thereby improving the safety and convenience of the staff in the maintenance work, and the staff only need to replace the worn-out base body or the reinforcement body, thereby improving maintenance The efficiency of operation and the reduction of maintenance costs.

The airtight valve seat guard plate of this invention can cover the inner side wall of the circular valve hole, and the airtight valve seat guard plate is located from the bottom edge of the circular valve hole up to the height of the circular valve hole. The inner side wall section range of 1/2 to 3/4 of the hole diameter, the staff can protect the said air-tight valve seat guard plate in the inner side wall section of the aforementioned circular valve hole. The effect of assembling the flange can reduce the device cost of the airtight valve seat guard plate.

Please refer to Figures 1 to 8, which is a preferred embodiment of the creation of the airtight valve seat guard plate, which is used to set the inner side wall of the circular valve hole 31 of an airtight valve seat 30. The hole 31 is extended with a set of flanges 32, and the airtight valve seat guard plate includes a plurality of base bodies 10 and a plurality of reinforcing bodies 20.

As shown in FIGS. 1 to 4, the plurality of bases 10 define a mating surface 11, and the mating surface 11 of the plurality of bases 10 is attached to the bottom edge of the inner side wall of the circular valve hole 31 of the airtight valve seat 30, The plurality of base bodies 10 are adjacent to each other and respectively have two fixing holes 12 arranged at intervals. A gap L is formed between the plurality of base bodies 10 and the assembly flange 32.

As shown in FIGS. 1, 2 and 5, the plurality of reinforcing bodies 20 are stacked in parallel on the plurality of base bodies 10, and the plurality of reinforcing bodies 20 and the assembly flange 32 respectively form the spacing clearance L.

As shown in FIG. 2, the plurality of reinforcing bodies 20 protrude from the plurality of base bodies 10 toward the other side of the airtight valve seat 30 relative to the assembly flange 32.

In addition, the plurality of bases 10 can be welded or locked to the circular valve hole 31 of the airtight valve seat 30 through the two fixing holes 12 respectively.

The airtight valve seat guard plate of the present invention is an airtight valve seat 30 arranged at the discharge port of a furnace top silo, and can provide the protective effect of the assembly flange 32 of the airtight valve seat 30.

When the worker is performing the installation operation of the airtight valve seat guard, as shown in Figures 6 to 8, the worker can attach the majority of the base body 10 to the circular valve hole 31 through the mating surface 11 The inner side wall, and the plurality of reinforcing bodies 20 are welded and assembled on the surface of the plurality of base bodies 10, and the plurality of base bodies 10, the plurality of reinforcing bodies 20, and the assembly flange 32 form the spacing clearance L .

Wherein, as shown in FIG. 7, the staff can install the airtight valve seat guard plate on the airtight valve seat according to factors such as the installation environment of the airtight valve seat 30 and the quantity of the raw materials falling out. The bottom edge of the valve seat 30 is up to the range of 1/2 to 3/4 of the inner side wall section of the hole diameter in the height direction of the circular valve hole 31, so that the air-tight valve seat guard plate can provide a certain protective effect at the same time , It can also reduce maintenance and installation costs.

In addition, the staff can choose to install the plurality of substrates 10 in the circular valve hole 31 of the airtight valve seat 30 through the two fixing holes 12 by welding or locking according to requirements, thereby increasing the installation of the staff. The convenience and can increase the scope of the device of the airtight valve seat guard plate of this invention.

In the process of discharging the raw material, the raw material slips and passes through the surface of the plurality of reinforcing bodies 20, and passes through the design of stacking the plurality of base bodies 10 and the plurality of reinforcing bodies 20, and the airtight valve seat protects The gap L is also maintained between the plate and the assembly flange 32, so that the path for the raw material to slide out of the discharge port is parabolic and can be far away from the assembly flange 32, thereby It can effectively prevent the raw material from being worn out or colliding with the assembly flange 32 when it falls out of the discharge port.

Wherein, through the plurality of reinforcing bodies 20, the plurality of base bodies 10 protrude from the other side of the airtight valve seat 30 relative to the assembly flange 32, so that the inner side wall of the circular valve hole 31 is The inner side walls of the furnace top silo can be connected to each other through the plurality of reinforcing bodies 20, so that the raw material can pass through the circular valve hole 31 more smoothly, and can prevent the raw material from remaining in the airtight valve seat Guard board.

In addition, through the design of the mating surface 11 that can be adhered to the inner side wall of the circular valve hole 31, relatively small materials cannot easily fall into the airtight valve seat guard plate and the circular valve hole 31. In this way, the device stability of the airtight valve seat guard plate can be improved.

When the staff is performing the maintenance of the airtight valve seat guard, the staff only needs to replace the worn-out base 10 or the reinforcing body 20, thereby improving the efficiency of the maintenance work and reducing the maintenance cost. , And through the design that the plurality of base bodies 10 and the plurality of reinforcement bodies 20 can be disassembled and installed separately, avoiding the risk of staff being injured during maintenance.

In addition, workers can use ceramic repair agents to fill the gaps between the majority of the base body 10 and the majority of the reinforcement body 20, thereby prolonging the service life of the airtight valve seat guard plate, and can fill the airtight valve seat guard The joint (not shown in the figure) between the plate and the inner side wall of the furnace top bin, so that the raw material is not easy to remain when passing through.

In summary, the airtight valve seat guard plate of the present invention can be set in the circular valve hole 31 of the airtight valve seat 30, and can provide a combination of the airtight valve seat 30 during the process of discharging. The protective effect of the flange 32 is provided, and when the worker performs the installation and maintenance work of the airtight valve seat guard plate, the plurality of base bodies 10 and the plurality of reinforcing bodies 20 can be installed or disassembled and replaced respectively, thereby improving the staff The work safety, convenience and efficiency of installation work.

10: Matrix 11: Mating surface 12: Fixing hole 20: Reinforcing body 30: airtight valve seat 31: Round valve hole 32: assembly flange L: Clearance 80: valve seat 90: Valve seat guard

Figure 1: A schematic bottom plan view of a preferred embodiment of the airtight valve seat guard plate of this invention is set on the airtight valve seat. Figure 2: The partial side cross-sectional schematic diagram of the airtight valve seat guard plate of this creation is set on the airtight valve seat. Figure 3: The three-dimensional schematic diagram of the base body of the airtight valve seat guard plate of this creation. Figure 4: The front plan view of the base body of the airtight valve seat guard plate of this creation. Figure 5: The three-dimensional schematic diagram of the reinforcing body of the airtight valve seat guard plate of this creation. Figure 6: A schematic diagram of the arrangement of the base body and reinforcement body of the airtight valve seat guard plate of this creation. Figure 7: The bottom plan view of a preferred embodiment of the airtight valve seat guard plate of the present invention. Fig. 8 is a partial enlarged schematic diagram of Fig. 7; Figure 9: The bottom plan view of the conventional valve seat guard set on the airtight valve seat. Figure 10: is a partial side sectional view of a conventional valve seat guard set on an airtight valve seat.

10: Matrix

11: Mating surface

12: Fixing hole

20: Reinforcing body

30: airtight valve seat

31: Round valve hole

32: assembly flange

Claims (5)

An airtight valve seat guard plate, which is used to be arranged on the inner side wall of a circular valve hole of an airtight valve seat, the circular valve hole is extended to form a set of flanges, the airtight valve seat guard plate includes : The majority of the bases define a mating surface, and the mating surface of the majority of bases is attached to the bottom edge of the inner side wall of the circular valve hole of the airtight valve seat. The plurality of bases are adjacent to each other and have two spaced apart Fixing holes, a clearance gap is formed between the plurality of base bodies and the assembly flange; and A plurality of reinforcing bodies, the plurality of reinforcing systems are stacked in parallel on the plurality of base bodies, and the plurality of reinforcing bodies respectively form the spacing clearance with the assembly flange. The airtight valve seat guard plate according to claim 1, wherein the airtight valve seat guard plate can cover the inner side wall of the circular valve hole, and the airtight valve seat guard plate is located from the circular The bottom edge of the valve hole is up to the inner side wall section range from 1/2 to 3/4 of the hole diameter in the height direction of the circular valve hole. The airtight valve seat guard plate according to claim 1 or 2, wherein the plurality of reinforcing bodies protrude from the plurality of base bodies toward the other side of the airtight valve seat relative to the assembly flange. The airtight valve seat guard plate according to claim 1 or 2, wherein the plurality of base systems can be welded or locked to the circular valve hole of the airtight valve seat through the two fixing holes, respectively. The airtight valve seat guard plate according to claim 3, wherein the plurality of base systems can be respectively welded or locked to the circular valve hole of the airtight valve seat through the two fixing holes.

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