CN219606173U - Sulfur-resistant working condition stainless steel gate valve structure - Google Patents

Abstract

The utility model discloses a sulfur-resistant stainless steel gate valve structure, which comprises a valve bin and through pipes fixed at two sides of the valve bin, wherein both sides of each through pipe are fixedly provided with a protection assembly, each protection assembly comprises a baffle plate and outer cover plates fixed at the outer sides of the two ends of the baffle plate, positioning rings are fixed at both sides of each through pipe, each positioning ring is provided with a positioning hole, and each outer cover plate is fixed in each positioning hole through a fixing bolt; the outer cover plate is of an integral structure with the baffle in the outer side, a round hole structure matched with the positioning hole is formed in the outer cover plate, the fixing operation is achieved through the fixing bolts and the fastening nuts, the baffle is fixed in the through pipe, overcurrent protection is achieved, internal corrosion to the through pipe is avoided, the inner frame structure in the middle can also adopt the structure which is the same as the baffle, protection to the valve bin is achieved, and compared with the existing structure, various service scenes of the existing sulfur-resistant gate valve are met, and the service time and service life of the sulfur-resistant gate valve are prolonged.

Description

Sulfur-resistant working condition stainless steel gate valve structure

Technical Field

The utility model relates to the field of gate valve castings, in particular to a sulfur-resistant stainless steel gate valve structure.

Background

The high-pressure flat gate valve for high-sulfur and high-acid resistant natural gas in gas field gathering and transportation engineering is a key device of an engineering system. In the field of high-sulfur-resistant flat valves, only cast carbon steel flat gate valves are used at home and abroad.

However, due to the characteristics of high sulfur and high acid in the components (saturated steam is contained, the variation range of H2S content is 12.31 percent to 17.05 percent, the variation range of CO2 content is 7.89 percent to 10.53 percent, the variation range of Cl content in stratum water is 28200mg/l to 64600mg/l, the raw material gas contains organic sulfur 340.6mg/m < 3 >, wherein, sulfur-oxygen carbon is 316.2mg/m < 3 >, methyl mercaptan is 22.8mg/m < 3 >, and ethanethiol is 1.6mg/m < 3 >), and when the valve is used in a high-pressure state, carbon steel materials of the carbon steel flat gate valve can generate corrosion cracking, and the valve is not limited to be used in a medium requirement.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the sulfur-resistant working condition stainless steel gate valve structure, through the three-section structure, the protection components on the two sides can protect the inner wall of the through pipe, the positioning ring-outer cover plate structure on the outer side of the sulfur-resistant working condition stainless steel gate valve structure can realize fixed operation through the fixing bolts and the fastening nuts, the baffle plate is fixed in the through pipe to realize overcurrent protection, the corrosion to the inside of the through pipe is avoided, the inner frame structure in the middle can also adopt the structure with the same material as the baffle plate to realize the protection of the valve bin, and compared with the existing structure, the sulfur-resistant gate valve structure meets various use scenes of the existing sulfur-resistant gate valve, and the service time and the service life are prolonged.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a sulfur-resistant operating mode stainless steel gate valve structure, includes the valve storehouse and is fixed in the siphunculus of valve storehouse both sides, the both sides of siphunculus all are fixed with protection component, including baffle and dustcoat board in the protection component, the dustcoat board is fixed in the baffle both ends outside, the siphunculus both sides are fixed with the retainer plate, and every group all offer the locating hole on the retainer plate, the dustcoat board is fixed in the locating hole through fixing bolt.

As a preferable technical scheme of the utility model, the outer cover plate and the outer baffle are of an integrated structure, and a round hole structure matched with the positioning hole is formed in the outer cover plate.

As a preferable technical scheme of the utility model, the baffle is of a hollow structure with small outside and large inside, and the baffle adopts STL21 hard alloy.

As a preferable technical scheme of the utility model, the top end of the valve bin is kept fixed with the control assembly through the flange plate, and the control assembly is provided with a rotating rod and a hand wheel fixed on the rotating rod.

As a preferable technical scheme of the utility model, an inner frame is arranged in the valve bin, and the inner frame is arranged between two groups of baffles.

As a preferable technical scheme of the utility model, the outer side of the fixing bolt is provided with a fastening nut structure.

Compared with the prior art, the utility model has the following beneficial effects:

in this device, through the syllogic structure that sets up, the protection component of both sides can protect the inner wall of siphunculus, and the retainer plate-dustcoat plate structure in its outside, accessible fixing bolt and fastening nut realize fixed operation, fix the baffle in the inside of siphunculus, realize overcurrent protection, avoid the inside corruption to the siphunculus, and the inside casing structure at middle part can adopt the same material structure with the baffle equally, realize the protection to the valve storehouse, compare with current structure, satisfy current sulfur-resistant gate valve's various service scenario, increase of service time and life.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a structural exploded view of the present utility model;

fig. 3 is a cross-sectional view of the structure of the present utility model.

Wherein: 1. a valve bin; 11. an inner frame; 2. a through pipe; 21. a positioning ring; 22. positioning holes; 3. a flange plate; 4. a rotating rod; 5. a protection component; 51. a baffle; 52. an outer cover plate; 53. and (5) fixing bolts.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1-3, the utility model provides a sulfur-resistant working condition stainless steel gate valve structure, which comprises a valve bin 1 and through pipes 2 fixed on two sides of the valve bin 1, wherein both sides of the through pipes 2 are respectively fixed with a protection component 5, each protection component 5 comprises a baffle plate 51 and an outer cover plate 52, each outer cover plate 52 is fixed on the outer sides of two ends of the baffle plate 51, positioning rings 21 are fixed on both sides of the through pipes 2, positioning holes 22 are formed in each group of positioning rings 21, and each outer cover plate 52 is fixed in each positioning hole 22 through a fixing bolt 53.

In other embodiments, the outer cover plate 52 and the outer baffle plate 51 are of an integral structure, a round hole structure matched with the positioning hole 22 is formed in the outer cover plate 52, the baffle plates 51 are of a hollow structure with small outside and large inside, the baffle plates 51 are all made of STL21 hard alloy, the top end of the valve bin 1 is kept fixed with the control assembly through the flange plate 3, the control assembly is provided with the rotating rod 4 and a hand wheel fixed on the rotating rod 4, an inner frame 11 is arranged in the valve bin 1, the inner frame 11 is arranged between the two groups of baffle plates 51, and the outer side of the fixing bolt 53 is provided with a fastening nut structure; through the syllogic structure that sets up, the protection subassembly 5 of both sides can protect the inner wall of siphunculus 2, and the retainer plate 21-dustcoat board 52 structure in its outside, the accessible fixing bolt 53 and fastening nut realize fixed operation, fix baffle 51 in the inside of siphunculus 2, realize overcurrent protection, avoid the inside corruption to siphunculus 2, and the inside casing 11 structure in middle part can adopt the same material structure with baffle 51 equally, realize the protection to valve storehouse 1, compare with current structure, satisfy current sulfur-resistant gate valve's various service scenario, increase of service time and life.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a sulfur-resistant operating mode stainless steel gate valve structure, includes valve storehouse (1) and is fixed in siphunculus (2) of valve storehouse (1) both sides, its characterized in that: the two sides of the through pipe (2) are both fixed with a protection component (5), the protection component (5) comprises a baffle plate (51) and an outer cover plate (52), the outer cover plate (52) is fixed at the outer sides of the two ends of the baffle plate (51), positioning rings (21) are fixed on two sides of the through pipe (2), positioning holes (22) are formed in each group of positioning rings (21), and the outer cover plate (52) is fixed in the positioning holes (22) through fixing bolts (53).

2. The sulfur condition resistant stainless steel gate valve structure of claim 1, wherein: the outer cover plate (52) and the outer baffle plate (51) are of an integrated structure, and a round hole structure matched with the positioning hole (22) is formed in the outer cover plate (52).

3. The sulfur condition resistant stainless steel gate valve structure of claim 1, wherein: the baffle (51) is of a hollow structure with small outside and large inside, and the baffle (51) is made of STL21 hard alloy.

4. The sulfur condition resistant stainless steel gate valve structure of claim 1, wherein: the top of the valve bin (1) is kept fixed with a control assembly through a flange plate (3), and the control assembly is provided with a rotating rod (4) and a hand wheel fixed on the rotating rod (4).

5. The sulfur condition resistant stainless steel gate valve structure of claim 1, wherein: an inner frame (11) is arranged in the valve bin (1), and the inner frame (11) is arranged between two groups of baffles (51).

6. The sulfur condition resistant stainless steel gate valve structure of claim 1, wherein: the outside of the fixing bolt (53) is provided with a fastening nut structure.