Gasification blower oil tank breather valve

Abstract

The utility model aims at providing a kind of gaseous fan oil tank breather valve, including top cover, valve body, its characterized in that: the middle part of valve body is valve hole, and multiple groups of arc bosses are arranged on the valve hole periphery of valve body top surface along radial direction interval, and each group of arc bosses is respectively provided with opening;Multiple groups of convex rings are equipped in the inner wall of top cover, and the height of convex ring is less than the height of arc boss;When top cover is covered on valve body, the position of convex ring is staggered with the position of arc boss;Spacing is left between the side of arc boss opposite to convex ring;Valve body bottom is equipped with vent hole.The device overcomes the defects of prior art, solves the problem that breather valve is easy to block, enhances oil gas condensation and reflux at the same time, and ensures the normal work of breather valve.

Description

Technical Field

[0001] This utility model relates to the field of coal chemical equipment technology, and in particular to a breather valve for a gasification blower oil tank. Background Technology

[0002] Coal chemical industry is an important industry that uses coal as raw material to produce clean energy and chemical products. Its production equipment (such as gasifiers, converters, and syngas purification systems) generally have harsh operating conditions characterized by high temperature, high pressure, high dust, and strong corrosion. As a key piece of equipment for pressure balance and emergency venting, the reliability of the breather valve is directly related to production safety and environmental compliance.

[0003] However, traditional breather valves often exhibit problems such as slow response, easy clogging, and short lifespan in coal chemical applications. Utility Model Content

[0004] In view of the technical problems existing in the background art, the present invention aims to provide a breather valve for the oil tank of a gasification blower. This device overcomes the defects of the prior art, can solve the problem of easy clogging of the breather valve, and enhances oil and gas condensation and backflow to ensure normal operation of the breather valve. It has a simple structure and is easy to manufacture.

[0005] To solve the above problems, the technical solution of this utility model is as follows: A breather valve for an oil tank of a gasification fan, comprising a top cover and a valve body, characterized in that: the valve body has a valve hole in the middle, and multiple sets of arc-shaped protrusions are radially spaced around the valve hole on the top surface of the valve body, each set of arc-shaped protrusions having an opening; the inner wall of the top cover has multiple sets of raised rings, the height of the raised rings being less than the height of the arc-shaped protrusions; when the top cover is placed on the valve body, the positions of the raised rings and the arc-shaped protrusions are offset; a gap is left between the sides of the arc-shaped protrusions and the raised rings opposite each other; and a vent hole is provided at the bottom of the valve body.

[0006] The valve orifice includes an upper cylindrical hole, a lower cylindrical hole, and a truncated cone B along the same axis. The inner diameter of the upper cylindrical hole is larger than the inner diameter of the lower cylindrical hole, and the connection between the upper cylindrical hole and the lower cylindrical hole is a truncated cone A.

[0007] The valve body has a vent hole in its lower part. The vent hole is connected to the lower end of the lower cylindrical hole through a truncated cone B. The diameter of the lower cylindrical hole is larger than the diameter of the vent hole.

[0008] The truncated cone A and truncated cone B are respectively provided with circular filter A and circular filter B. Circular filter A is clearance-fitted with the upper cylindrical hole, and circular filter B is clearance-fitted with the lower cylindrical hole.

[0009] The circular filter screen has a mesh size of 150-250.

[0010] The arc-shaped protrusion has two sets of openings, located on both sides of the same diameter direction.

[0011] The height difference between the convex ring and the arc-shaped boss, as well as the gap between the opposite sides, are all 0.9-1.1mm.

[0012] The valve body is provided with a connecting seat at the bottom; the vent extends downward from the bottom of the valve body to the bottom opening of the connecting seat.

[0013] The outer circumferential surface of the connector is provided with external threads.

[0014] The bottom surface of the top cover is located inside the innermost convex ring, and two or more sets of arc-shaped pieces are spaced apart along the circumferential direction. The arc-shaped pieces extend downward, and when the top cover is placed on the valve body, the arc-shaped pieces are in clearance fit with the inner wall of the cylindrical hole on the valve body.

[0015] The beneficial effects of this utility model are as follows:

[0016] The breather valve of the gasification blower oil tank in this application adopts a labyrinth air-sealed structure design, forming a 1mm sealing gap at the exhaust port, which effectively enhances the condensation and backflow effect of oil and gas and solves the problem of easy clogging of the breather valve; through the cavity-type double-layer filter structure design, the first layer of filter effectively blocks the leakage of oil droplets, and the second layer of filter buffers the oil and gas, while evenly distributing the oil and gas, so that the oil and gas are discharged evenly. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a top view of the overall structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the top cover of this utility model.

[0020] The names and numbers of the parts in the diagram are as follows:

[0021] 1 is the top cover, 2 is the valve body, 3 is the upper cylindrical hole, 4 is the lower cylindrical hole, 5 is the arc-shaped boss, 6 is the opening, 7 is the convex ring, 8 is the vent hole, 9 is the circular filter screen A, 10 is the circular filter screen B, 11 is the connecting seat, 12 is the arc-shaped piece, 13 is the valve hole, 14 is the truncated cone B, and 15 is the truncated cone A. Detailed Implementation

[0022] The following description, in conjunction with the accompanying drawings, details the implementation methods and embodiments of this utility model and their working processes.

[0023] Referring to the accompanying drawings, a breather valve for an oil tank of a gasification fan in this embodiment includes a top cover 1 and a valve body 2. The valve body 2 has a valve hole 13 in the middle, and multiple sets of arc-shaped protrusions 5 are radially spaced around the valve hole 13 on the top surface of the valve body 2. Each set of arc-shaped protrusions 5 has an opening 6. The inner wall of the top cover 1 has multiple sets of raised rings 7, the height of which is less than the height of the arc-shaped protrusions 5. When the top cover 1 is placed on the valve body 2, the positions of the raised rings 7 and the arc-shaped protrusions 5 are offset. A gap is left between the sides of the arc-shaped protrusions 5 and the raised rings 7 facing each other. The bottom of the valve body 2 has a vent hole 8.

[0024] The valve orifice 13 includes an upper cylindrical hole 3, a lower cylindrical hole 4, and a truncated cone B14 on the same axis. The inner diameter of the upper cylindrical hole 3 is larger than the inner diameter of the lower cylindrical hole 4, and the connection between the upper cylindrical hole 3 and the lower cylindrical hole 4 is a truncated cone A15. The cavity-type double-layer structure design and the labyrinth-sealed exhaust port effectively enhance the condensation and reflux of oil and gas.

[0025] The valve body 2 has a vent hole 8 in its lower part. The vent hole 8 is connected to the lower end of the lower cylindrical hole 4 through a truncated cone B14. The diameter of the lower cylindrical hole 4 is larger than the diameter of the vent hole 8.

[0026] The truncated cones A15 and B14 are respectively equipped with circular filter screens A9 and B10. Circular filter screen A9 is clearance-fitted with the upper cylindrical hole 3, and circular filter screen B10 is clearance-fitted with the lower cylindrical hole 4. The circular filter screens can block oil droplets and prevent oil droplets from seeping out. The design of two layers of filter screens plays a role in buffering and evenly distributing oil and gas, so that oil and gas can be discharged evenly.

[0027] The circular filter 9 has a mesh size of 200.

[0028] The arc-shaped boss 5 has two sets of openings 6, which are respectively located on both sides of the same diameter direction.

[0029] The height difference between the convex ring 7 and the arc-shaped boss 5, as well as the gap between their opposite sides, is 1.0 mm.

[0030] The valve body 2 is provided with a connecting seat 11 at the bottom; the vent 8 extends downward from the bottom of the valve body 2 to the bottom opening of the connecting seat 11.

[0031] The outer circumferential surface of the connector 11 is provided with external threads.

[0032] The bottom surface of the top cover 1 is located within the innermost convex ring 7, and two or more sets of arc-shaped pieces 12 are spaced apart along the circumferential direction. The arc-shaped pieces 12 extend downward. When the top cover 1 is placed on the valve body 2, the arc-shaped pieces 12 are in clearance fit with the inner wall of the cylindrical hole 3 on the valve body 2.

[0033] The working process of this embodiment is as follows:

[0034] The breather valve for the gasification blower oil tank of this application is connected to the oil tank of the gasification blower via a thread on the outer circumferential surface of the connecting seat 11. When the gasification blower is in operation, the oil and gas can be discharged through the 1mm gap formed by the gap fit between the arc-shaped boss 5 and the convex ring 7 of the labyrinth air seal structure. The top cover 1 and the labyrinth air seal structure prevent dust and filter residue from entering the oil tank. Secondly, by setting a circular filter screen 9 on the inner wall of the upper cylindrical hole 3, the oil droplets can be effectively blocked from seeping out and the oil and gas can be prevented from sticking to the valve body 2. At the same time, since the oil and gas impact speed is relatively fast, setting a circular filter screen 9 on the inner wall of the lower cylindrical hole 4 can buffer the speed of the oil and gas rushing out and distribute the oil and gas evenly so that the oil and gas can be discharged evenly.

Claims

1. A breather valve for an oil tank of a gasification fan, comprising a top cover (1) and a valve body (2), characterized in that: The valve body (2) has a valve hole (13) in the middle. Multiple sets of arc-shaped protrusions (5) are arranged radially around the valve hole (13) on the top surface of the valve body (2). Each set of arc-shaped protrusions (5) has an opening (6). Multiple sets of protruding rings (7) are provided on the inner wall of the top cover (1). The height of the protruding rings (7) is less than the height of the arc-shaped protrusions (5). When the top cover (1) is placed on the valve body (2), the position of the protruding rings (7) is offset from the position of the arc-shaped protrusions (5). There is a gap between the sides of the arc-shaped protrusions (5) and the protruding rings (7). The bottom of the valve body (2) is provided with a vent hole (8).

2. The gasification blower oil tank breather valve of claim 1, wherein: The valve hole (13) includes an upper cylindrical hole (3), a lower cylindrical hole (4), and a truncated cone B (14) in the same axial direction. The inner diameter of the upper cylindrical hole (3) is larger than the inner diameter of the lower cylindrical hole (4), and the connection between the upper cylindrical hole (3) and the lower cylindrical hole (4) is a truncated cone A (15).

3. The gasification blower oil tank breather valve of claim 2, wherein: The valve body (2) has a vent hole (8) in the lower part. The vent hole (8) is connected to the lower end of the lower cylindrical hole (4) through the truncated cone B (14). The diameter of the lower cylindrical hole (4) is larger than the diameter of the vent hole (8).

4. The gasification blower oil tank breather valve of claim 2, wherein: The truncated cone A (15) and truncated cone B (14) are respectively provided with circular filter A (9) and circular filter B (10). Circular filter A (9) is in clearance fit with the upper cylindrical hole (3), and circular filter B (10) is in clearance fit with the lower cylindrical hole (4).

5. The gasification blower oil tank breather valve of claim 4, wherein: The circular filter (9) has a mesh size of 150-250.

6. The gasification blower oil tank breather valve of claim 1, wherein: The arc-shaped boss (5) has two sets of openings (6), which are located on both sides of the same diameter direction.

7. The breather valve for the gasification fan oil tank according to claim 1, characterized in that: The height difference between the convex ring (7) and the arc-shaped boss (5) and the gap between their opposite sides are both 0.9-1.1 mm.

8. The gasification blower oil tank breather valve of claim 1, wherein: The valve body (2) is provided with a connecting seat (11) at the bottom; the vent (8) extends downward from the bottom of the valve body (2) to the bottom opening of the connecting seat (11).

9. The gasification blower oil tank breather valve of claim 8, wherein: The outer circumferential surface of the connecting seat (11) is provided with external threads.

10. The gasification blower oil tank breather valve of claim 1, wherein: The bottom surface of the top cover (1) is located inside the innermost convex ring (7), and two or more sets of arc-shaped pieces (12) are spaced apart along the circumferential direction. The arc-shaped pieces (12) extend downward. When the top cover (1) covers the valve body (2), the arc-shaped pieces (12) are in clearance fit with the inner wall of the cylindrical hole (3) on the valve body (2).

Images