CN216202541U - Dewatering device of steam conveying pipeline - Google Patents

Abstract

The utility model provides a steam conveying pipeline's dewatering device, belongs to boiler steam conveying pipeline equipment technical field for dewater boiler steam conveying pipeline. The technical scheme is as follows: the shell body assembly comprises a steel cylinder and two welding neck flanges, the two welding neck flanges are respectively welded at two ends of the steel cylinder, the welding neck flange at the lower end of the shell body assembly is connected with the drainage core body assembly, the base is connected with the lower bottom surface of the drainage core body assembly, the welding neck flange at the upper end of the shell body assembly is connected with the steam guide pipe flange assembly, a steam inlet pipe is installed on the side wall of the steel cylinder of the shell body assembly, a drain pipe is installed on the bottom surface of the drainage core body assembly, the steam guide pipe is installed at the upper end of the steam guide pipe flange assembly, and the steam guide pipe is communicated with the inner cavity of the steel cylinder of the shell body assembly. The steam pipe is simple in structure, small in size and convenient to use, liquid water condensed by steam can be effectively discharged out of the steam pipe, the drainage device can be sealed, the loss of the steam is prevented, and the normal delivery of the steam is ensured.

Description

Dewatering device of steam conveying pipeline

Technical Field

The utility model relates to a dehydration device for a boiler steam conveying pipeline, and belongs to the technical field of boiler steam conveying pipeline equipment.

Background

Boiler steam has a wide range of uses in industrial production and needs to be transported from a boiler to a destination of use through a steam pipeline. Steam conveying is that steam is carried in gaseous form, and in the transportation process, because reasons such as heating power loss, some steam can liquefy the condensation and become liquid water, blocks up steam conveying pipeline, makes steam conveying obstructed. In order to continuously and effectively convey steam, steam dehydration is required to be discharged along a steam conveying pipeline, the currently adopted discharging method is simple and crude, only a water outlet is arranged at a certain distance along the steam pipeline, condensed water is led into a drainage bucket below the drainage bucket from the steam pipeline, the drainage bucket is a closed water containing device, a water drain valve is arranged at the bottom of the drainage bucket, and a patroller opens the valve at the bottom of the drainage bucket every several hours to drain water. An upper limit water level alarm is arranged on the drainage bucket, the drainage bucket is connected to a control center, a person monitors the drainage bucket for 24 hours, and if the water level is high, a field inspector is immediately informed to drain water or confirm the drainage bucket at the position where the alarm is given. The drainage outlet is opened by operators at regular time, so that personnel are increased, certain potential safety hazards exist, and once a plurality of parts give an alarm, a patrol worker cannot receive the alarm, normal steam conveying is influenced, and various accidents are caused. In addition, the heat preservation and heat tracing of the drain barrel are needed in winter, so that the freezing injury is prevented. The manual drainage mode has the disadvantages of large labor cost, large investment, high operation cost and poor safety performance. Therefore, it is necessary to develop a drainage device of an automatic steam pipeline to complete the steam conveying and dewatering functions.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a dehydration device of a steam conveying pipeline, which can effectively discharge liquid water condensed by partial steam out of the steam pipeline and has the advantages of small volume, low cost, good effect and high automation degree.

The technical scheme for solving the technical problems is as follows:

the utility model provides a steam conveying pipeline's dewatering device, it includes the shell body assembly, the assembly of drainage core, steam guide pipe flange assembly, a pedestal, the shell body assembly comprises steel cylinder and two welded flange, two welded flange are welded connection respectively at the both ends of steel cylinder, the welded flange of shell body assembly lower extreme is connected with the assembly of drainage core, the lower bottom surface at the assembly of drainage core is connected to the base, the welded flange of shell body assembly upper end is connected with steam guide pipe flange assembly, install the admission pipe on the steel cylinder lateral wall of shell body assembly, the admission pipe is linked together with the steel cylinder inner chamber, install the drain pipe on the bottom surface of drainage core assembly, the drain pipe stretches out from the side of base, steam guide pipe is installed to steam guide pipe flange assembly upper end, the admission pipe is linked together with the steel cylinder inner chamber of shell body assembly.

In the dehydration device of the steam conveying pipeline, the drainage core body assembly consists of a drainage perforated flange, a water sealing cylinder core and a floater cover, the drainage perforated flange is connected with a welding flange at the lower end of the outer shell assembly through a fixing bolt, a hole is arranged in the center of the drainage perforated flange, the diameter of the hole is matched with the outer diameter of the drain pipe, the upper end of the drain pipe is connected in the hole of the drainage perforated flange, the water sealing cylinder core is a cylinder, the lower end of the water sealing cylinder core is welded on the upper end face of the drainage perforated flange, the upper end of the drainage pipe is located in the water sealing cylinder core, the floater cover is a cylinder with a closed upper end, the diameter of the floater cover is larger than the outer diameter of the water sealing cylinder core, the cylinder of the floater cover is sleeved outside the water sealing cylinder core, the top surface of the floater cover is pressed on the upper end opening of the water sealing cylinder core, and the upper edge and the lower edge of the cylinder of the water sealing cylinder core are respectively provided with an upper water inlet and a lower water inlet.

Above-mentioned steam conveying pipeline's dewatering device, leading the steam pipe flange assembly comprises leading vapour trompil flange, leads vapour trompil flange and is connected with the butt welding flange of shell body assembly upper end through fixing bolt, and there is the trompil at the center of leading vapour trompil flange, and the trompil diameter matches with leading vapour pipe external diameter, and the upper end of leading vapour pipe is connected in the trompil of leading vapour trompil flange.

Above-mentioned steam conveying pipeline's dewatering device, the base is the cylinder, and the upper end edge of base cylinder is welded with the lower bottom surface of the drainage trompil flange of drainage core body assembly, has the base opening of vertical direction on the lateral wall of base cylinder, and base open-ended width and the diameter phase-match of drain pipe, the upper end of drain pipe is connected with the centre bore of drainage trompil flange, and the middle part of drain pipe is buckled ninety degrees, and the lower extreme of drain pipe stretches out along the base opening of horizontal direction follow base cylinder lateral wall.

The utility model has the beneficial effects that: one end of a steam inlet pipe is connected with a steam pipeline, the other end of the steam inlet pipe extends into a steel cylinder assembled on an outer shell, steam enters the outer shell assembly through the steam inlet pipe and is separated from the water, the steam is discharged from a steam guide pipe assembled on a steam guide pipe flange, the water falls into the steel cylinder, and the water enters a water sealing cylinder core connected with a water drainage opening flange and is discharged from a water drainage pipe in the water sealing cylinder core; the water sealing cylinder core and the float cover form a sealing structure, so that the steam is prevented from being discharged from the water sealing cylinder core and the drain pipe.

The steam pipe has the advantages of simple structure, small volume, low cost, convenient use and good effect, can effectively discharge liquid water condensed by steam out of the steam pipe, and can seal the drainage device, thereby preventing the loss of the steam and ensuring the normal transportation of the steam.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic illustration of the water storage state of the present invention;

FIG. 3 is a schematic view of the drainage state of the present invention;

FIG. 4 is a schematic view of the structure of the outer housing assembly;

FIG. 5 is a schematic view of the assembled drain core;

FIG. 6 is a schematic structural view of a water sealing cartridge;

FIG. 7 is a schematic view of the structure of the float cover;

FIG. 8 is a schematic view of the construction of the steam guide flange assembly;

fig. 9 is a schematic structural view of the base.

The figures are labeled as follows: the water-saving drainage device comprises an outer shell assembly 1, a drainage core body assembly 2, a steam guide pipe flange assembly 3, a steam inlet pipe 4, a drain pipe 5, a steam guide pipe 6, a steel cylinder 7, a butt welding flange 8, a drainage perforated flange 9, a water sealing cylinder core 10, a floater cover 11, a steam guide perforated flange 12, a fixing bolt 13, a base 14, an upper water inlet 15, a lower water inlet 16 and a base opening 17.

Detailed Description

The utility model is composed of an outer shell assembly 1, a drainage core assembly 2, a steam guide pipe flange assembly 3, a steam inlet pipe 4, a drainage pipe 5, a steam guide pipe 6, a fixing bolt 13 and a base 14.

Fig. 1 and 4 show that the outer shell assembly 1 is composed of a steel cylinder 7 and two welding neck flanges 8, the two welding neck flanges 8 are respectively welded at two ends of the steel cylinder 7, the welding neck flange 8 at the lower end of the outer shell assembly 1 is connected with the drainage core body assembly 2, the welding neck flange 8 at the upper end of the outer shell assembly 1 is connected with the steam guide pipe flange assembly 3, a steam inlet pipe 4 is installed on the side wall of the steel cylinder 7 of the outer shell assembly 1, the steam inlet pipe 4 is communicated with the inner cavity of the steel cylinder 7, and steam enters the inner cavity of the steel cylinder 7 through the steam inlet pipe 4.

Fig. 1 and 5 show that the drainage core body assembly 2 is composed of a drainage perforated flange 9, a water sealing cylinder core 10 and a floater cover 11. The drainage trompil flange 9 is connected with the butt welding flange 8 of the lower end of the outer shell assembly 1 through a fixing bolt 13, the center of the drainage trompil flange 9 is provided with a trompil, the diameter of the trompil is matched with the outer diameter of the drain pipe 5, and the upper end of the drain pipe 5 is connected in the trompil of the drainage trompil flange 9. The water sealing cylinder core 10 and the floater cover 11 are arranged on the drainage perforated flange 9, and the water sealing cylinder core 10 and the floater cover 11 form a sealing structure to prevent steam from being discharged from the drainage pipe 5 and avoid steam loss.

Fig. 1, 5 and 6 show that the water sealing cylinder core 10 is a cylinder, the lower end of the water sealing cylinder core 10 is welded on the upper end surface of the drainage perforated flange 9, the upper end of the drainage pipe 5 is positioned in the water sealing cylinder core 10, and the upper edge and the lower edge of the cylinder of the water sealing cylinder core 10 are respectively provided with an upper water inlet 15 and a lower water inlet 16.

Fig. 1, 5 and 7 show that the float cover 11 is a cylinder with a closed upper end, the diameter of the float cover 11 is larger than the outer diameter of the water sealing cylinder core 10, the cylinder of the float cover 11 is sleeved outside the water sealing cylinder core 10, and the top surface of the float cover 11 is pressed on the upper end opening of the water sealing cylinder core 10.

Fig. 1 and 8 show that the steam guide pipe flange assembly 3 is composed of a steam guide opening flange 12, the steam guide opening flange 12 is connected with a welding flange 8 at the upper end of the outer shell assembly 1 through a fixing bolt 13, an opening is formed in the center of the steam guide opening flange 12, the diameter of the opening is matched with the outer diameter of the steam guide pipe 6, and the upper end of the steam guide pipe 6 is connected into the opening of the steam guide opening flange 12. The steam is discharged from the steam guide pipe 6 of the steam guide pipe flange assembly 3, so that the normal operation of the steam pipeline is ensured.

Fig. 1 and 9 show that the base 14 is attached to the lower bottom surface of the drain core assembly 2 to provide support for the entire assembly. The base 14 is the cylinder, the lower bottom surface welded connection of the upper end edge of base 14 cylinder and the drainage trompil flange 9 of drainage core assembly 2, there is the base opening 17 of vertical direction on the lateral wall of base 14 cylinder, base opening 17's width and drain pipe 5's diameter phase-match, drain pipe 5's upper end is connected with the centre bore of drainage trompil flange 9, drain pipe 5's middle part is buckled ninety degrees, drain pipe 5's lower extreme stretches out along the lateral wall opening of horizontal direction from base 14 cylinder.

Fig. 2 shows the water storage state of the present invention. The relative both sides in the water drum core 10 bottom edge of water seal of drainage core assembly 2 have lower water inlet 16 respectively, if only produce a small amount of comdenstion water among the steam transportation process, the comdenstion water enters into water drum core 10 through the lower water inlet 16 of water drum core 10 bottom, and when the horizontal plane of comdenstion water rose drain pipe 5 mouth of pipe height, the comdenstion water can overflow through drain pipe 5.

Fig. 3 shows a drainage state of the present invention. When the amount of the generated condensed water is large, the overflow speed of the drain pipe 5 is slow, the condensed water is accumulated more, and the liquid level of the condensed water rises in the steel cylinder 7 of the outer shell assembly 1. After the liquid level rises, under the action of water buoyancy, the float cover 11 at the upper end of the water sealing cylinder core 10 rises, the opening at the upper end of the water sealing cylinder core 10 sealed by the original float cover 11 is opened, and a large amount of water enters the water sealing cylinder core 10 from the upper end of the water sealing cylinder core 10 and is discharged through the drainage 5.

After a large amount of condensed water is discharged outside, water stored in the steel cylinder 7 of the outer shell assembly 1 rapidly descends, the float cover 11 falls back and falls to the top end of the water sealing cylinder core 10 again, the upper end opening of the water sealing cylinder core 10 is sealed, and a small amount of condensed water enters the water sealing cylinder core 10 through the water inlet 16 at the bottom edge of the water sealing cylinder core 10 and is discharged from the water discharge pipe 5 under the condition of repeated water storage state.

One embodiment of the utility model is as follows:

the diameter of the steel cylinder 7 of the outer shell assembly 1 is 160mm, 180mm and 400mm, the diameter of the welding flange 8 is 151mm, 265mm and 225mm, the diameter of the bolt hole center circle is 26mm, 38mm and the length is 150 mm;

the diameter of a drainage hole opening flange 9 of the drainage core body assembly 2 is 40mm, 265mm and 225mm, the diameter of a bolt hole center circle is 90mm, 100mm and 100mm, the length of an upper water inlet 15 and a lower water inlet 16 is 90-degree arc-shaped grooves, the height is 10mm, the diameter of a float cover 11 is 136mm, 140mm and 90mm, the diameter of a drainage pipe 5 is 26mm, 38mm and 200 mm;

the diameter of a steam guide opening flange 12 of the steam guide pipe flange assembly 3 is 40mm in inner diameter, 265mm in outer diameter and 225mm in bolt hole center circle diameter, and the diameter of a steam guide pipe 6 is 26mm in inner diameter, 38mm in outer diameter and 100mm in length;

the diameter of the fixing bolt 13 is 16mm, and the length is 65 mm;

the diameter of the base 14 is 265mm in outside diameter, 225mm in inside diameter, and the height is 80mm, and the width of the base opening 17 is 45 mm.

Claims (4)

1. The utility model provides a steam conveying pipeline's dewatering device which characterized in that: the water-vapor-liquid separator comprises an outer shell assembly (1), a drainage core assembly (2), a steam guide pipe flange assembly (3) and a base (14), wherein the outer shell assembly (1) consists of a steel cylinder (7) and two welding butt flanges (8), the two welding butt flanges (8) are respectively welded at two ends of the steel cylinder (7), the welding butt flange (8) at the lower end of the outer shell assembly (1) is connected with the drainage core assembly (2), the base (14) is connected with the lower bottom surface of the drainage core assembly (2), the welding butt flange (8) at the upper end of the outer shell assembly (1) is connected with the steam guide pipe flange assembly (3), a steam inlet pipe (4) is arranged on the side wall of the steel cylinder (7) of the outer shell assembly (1), the steam inlet pipe (4) is communicated with the inner cavity of the steel cylinder (7), a water drain pipe (5) is arranged on the bottom surface of the drainage core assembly (2), and the water drain pipe (5) extends out of the side surface of the base (14), the upper end of the steam guide pipe flange assembly (3) is provided with a steam guide pipe (6), and the steam guide pipe (6) is communicated with the inner cavity of the steel cylinder (7) of the outer shell assembly (1).

2. The dehydration apparatus of steam delivery pipe of claim 1, wherein: the drainage core body assembly (2) is composed of a drainage perforated flange (9), a water sealing cylinder core (10) and a floater cover (11), the drainage perforated flange (9) is connected with a butt welding flange (8) at the lower end of the outer shell assembly (1) through a fixing bolt, the center of the drainage perforated flange (9) is provided with a hole, the diameter of the hole is matched with the outer diameter of the drainage pipe (5), the upper end of the drainage pipe (5) is connected in the hole of the drainage perforated flange (9), the water sealing cylinder core (10) is a cylinder, the lower end of the water sealing cylinder core (10) is welded on the upper end face of the drainage perforated flange (9), the upper end of the drainage pipe (5) is positioned in the water sealing cylinder core (10), the floater cover (11) is a cylinder with a sealed upper end, the diameter of the floater cover (11) is larger than the outer diameter of the water sealing cylinder core (10), and the floater cover of the floater cover (11) is sleeved outside the water sealing cylinder core (10), the top surface of the float cover (11) is pressed on the upper end opening of the water sealing cylinder core (10), and the upper edge and the lower edge of the cylinder body of the water sealing cylinder core (10) are respectively provided with an upper water inlet (15) and a lower water inlet (16).

3. The dehydration apparatus of steam delivery pipe of claim 1, wherein: leading vapour pipe flange assembly (3) comprises leading vapour trompil flange (12), leads vapour trompil flange (12) and is connected with butt welding flange (8) of shell body assembly (1) upper end through fixing bolt (13), and the center of leading vapour trompil flange (12) has the trompil, and trompil diameter and leading vapour pipe (6) external diameter phase-match lead vapour pipe (6) are connected in the trompil of leading vapour trompil flange (12).

4. The dehydration apparatus of steam delivery pipe of claim 1, wherein: base (14) are the cylinder, the lower bottom surface welded connection of the upper end edge of base (14) cylinder and the drainage trompil flange (9) of drainage core assembly (2), there are vertical direction's base opening (17) on the lateral wall of base (14) cylinder, the width of base opening (17) and the diameter phase-match of drain pipe (5), the upper end of drain pipe (5) is connected with the centre bore of drainage trompil flange (9), the middle part ninety degrees of buckling of drain pipe (5), the lower extreme of drain pipe (5) stretches out along base opening (17) of horizontal direction follow base (14) cylinder lateral wall.

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