CN218293676U - Pipeline auxiliary equipment for reducing content of water-soluble oxygen - Google Patents

Abstract

The utility model discloses a pipeline auxiliary assembly structure for reducing water soluble oxygen content locates between the return water pipeline of condensate system and feed pump internal seal water, pipeline auxiliary assembly includes: the water inlet pipeline, the condenser and the spray assembly; the water inlet end of the water inlet pipeline is communicated with the water return pipeline, and the water outlet end of the water inlet pipeline extends into the condenser and is communicated with the spray assembly; the condenser is used for providing a vacuum environment for the drainage of the spraying assembly and storing the sealing water flowing out of the spraying assembly for the use of the condensed water system; the spray assembly is used for changing the surface area of the sealing water flowing out through the water inlet pipeline when the sealing water flows out. The utility model discloses a return water of inlet channel sealed water in with the feed pump converges and carries to spray assembly, and spray assembly changes the surface area when the sealed water in the inlet tube flows to water soluble oxygen content when having reduced the sealed water in the inlet tube and having flowed into the condenser.

Description

Pipeline auxiliary equipment for reducing content of water-soluble oxygen

Technical Field

The utility model belongs to the technical field of water oxygen separation, especially, relate to a pipeline auxiliary assembly for reducing water soluble oxygen content.

Background

The content of the condensed water-soluble oxygen is one of important water quality indexes of the thermal power generating unit, and if the condensed water-soluble oxygen exceeds the standard for a long time and cannot be treated, the safe and economic operation of the thermal power generating unit is seriously influenced. The condensed water of the thermal power generating unit with excessive content of condensed water soluble oxygen can corrode a condensed water system, corrosion products enter other steam-water systems to cause scaling, salt accumulation and heat transfer deterioration of other thermal equipment, and in case of serious conditions, the heating surface of a boiler is subjected to pipe explosion or each valve of a steam turbine is blocked, so that the safe operation of the thermal power generating unit is seriously threatened. At present, in order to recover working media in a thermal power plant, sealing water of a water supply pump is generally recovered to a hot well of a condenser for recycling. The water content of the seal in the feed pump is high due to the influence of various factors. After the sealing water in the feed pump returns, the sealing water with high water-soluble oxygen content can cause the content of condensed water-soluble oxygen generated by the condenser hot well to rise, and further brings hidden troubles to the safe operation of the thermal power generating unit.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the content of condensed water-soluble oxygen exceeds standard in the background art, the utility model provides a following technical scheme:

a pipe attachment for reducing the content of water-soluble oxygen, which is provided between a condensate system and a return line for sealing water in a feed pump, the pipe attachment comprising: the water inlet pipeline, the condenser and the spray assembly; the water inlet end of the water inlet pipeline is communicated with the water return pipeline, and the water outlet end of the water inlet pipeline extends into the condenser and is communicated with the spray assembly; the condenser is used for providing a vacuum environment for the drainage of the spraying assembly and storing the sealing water flowing out of the spraying assembly for the use of the condensed water system; the spray assembly is used for changing the surface area of the sealing water flowing out through the water inlet pipeline when the sealing water flows out.

The spraying assembly comprises a vertical pipe and a water distribution disc; one end of the vertical pipe extends into the water distribution disc and is communicated with the condenser; the pipe wall of one end of the vertical pipe connected with the water distribution disc is provided with water outlet holes which are densely distributed; and a plurality of water dripping holes for discharging the sealing water are formed in the water distribution disc.

Furthermore, the water distribution disc is also provided with a through hole; the through hole is positioned at the axle center of the water distribution disc, and one end of the vertical pipe extends into the through hole.

Further, the cross section of each water dripping hole is in an isosceles trapezoid shape.

Furthermore, the water outlet holes are densely distributed on the vertical pipe along the circumferential direction and the axial direction of the vertical pipe respectively.

Furthermore, each water outlet hole is provided with a nozzle.

Further, the water inlet pipe includes a horizontal portion and a vertical portion perpendicular to each other; the first port of the horizontal part is the water inlet end, the second port of the horizontal part is communicated with the first port of the vertical part, and the second port of the vertical part is the water outlet end.

Further, the edge of the water diversion disc is protruded in the direction far away from the vertical pipe along the axial direction of the water diversion disc, so that a water stop ring for preventing sealing water from overflowing is formed.

Furthermore, the water outlet is located above the liquid level of the sealing water in the condenser.

Has the advantages that: the utility model discloses a return water of intake pipe sealed water in with the feed pump converges and carries to spray set, and spray set changes the surface area when the sealed water in the intake pipe flows to water soluble oxygen content when having reduced the sealed water in the intake pipe and having flowed into the condenser.

Drawings

Fig. 1 is a schematic structural diagram of a pipe accessory device for reducing the content of water-soluble oxygen according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a pipe accessory device for reducing the content of water-soluble oxygen according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the patent and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular manner of operation, and are not to be considered limiting of the patent.

Fig. 1 is a schematic structural diagram of a pipe accessory device for reducing the content of water-soluble oxygen according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of a pipe accessory device for reducing the content of water-soluble oxygen according to an embodiment of the present invention.

Referring to fig. 1 and 2 together, according to the utility model discloses a pipeline auxiliary equipment for reducing water soluble oxygen content sets up between the return water pipeline of condensate system and feed pump internal seal water, and pipeline auxiliary equipment includes: inlet channel 1, condenser 2 and spray assembly 3. Wherein, the inlet end of the inlet pipe 1 is communicated with the return water pipeline, and the outlet end of the inlet pipe 1 extends into the condenser 2 and is communicated with the spray component 3. The sealing water in the water inlet pipeline 1 flows into the condenser 2 for storage after being acted by the spraying component 3 so as to be used by a condensed water system. The interior of the condenser 2 is in a vacuum environment, so that the sealing water discharged by the spraying component 3 further improves the effect of water and oxygen separation after the surface area is changed.

Specifically, the intake duct 1 includes a horizontal portion 11 and a vertical portion 12 perpendicular to each other, and the shower assembly 3 includes a standpipe 31 and a water diversion tray 32. The first port of the horizontal portion 11 is a water inlet end of the whole water inlet pipe 1, and the second port of the horizontal portion 11 is connected with the first port of the vertical portion 12 through a switching interface. The second port of the vertical part 12 is the water outlet end of the whole water inlet pipe 1. The second port of the vertical part 12 extends into the condenser 2, and one end of a rear vertical pipe 31 is connected, and the other end of the vertical pipe 31 extends into the water diversion disc 32. The pipe wall of the vertical pipe 31 near the end connected with the water diversion disc 32 is provided with densely arranged water outlet holes 311, and the surface of the water diversion disc 32 is provided with a plurality of water dripping holes 321. The outlet hole 311 is on the standpipe 31. The water outlet 311 is located above the liquid level of the sealing water in the condenser 2.

Preferably, the water diversion disc 32 is integrally disc-shaped, and a through hole 33 is arranged at the axis of the water diversion disc 32. The other end of the standpipe 31 extends into the through-hole 33, and the other end of the standpipe 31 does not extend out of the through-hole 33. The water dripping holes 321 on the surface of the water diversion disc 32 are distributed circumferentially around the through hole 33. Wherein, each of the dropping holes 321 has the same size, and the cross section of each of the dropping holes 321 is in the shape of an isosceles trapezoid, so that the sealing water is in the shape of a drop when being discharged on the surface of the water distribution tray 32, thereby further increasing the surface area of the sealing water when being discharged on the water distribution tray 32. Further, a nozzle may be installed in each outlet hole 311 to further increase the surface area of the sealing water discharged from the vertical pipe 31.

Under normal conditions, the water flow of the sealing water in the water inlet pipeline 1 is small, and the sealing water in the water inlet pipeline 1 flows through the spray assembly 3 and then is discharged along the water outlet 311 on the vertical pipe 31. Due to the water outlet hole 311, the sealing water in the water inlet pipe 1 flows into the condenser 2 along the outer pipe wall of the vertical pipe 31 in a water drop shape when being discharged. When the water flow rate of the sealing water in the water inlet pipe 1 increases, the water outlet hole 311 on the vertical pipe 31 cannot drain the sealing water in the water inlet pipe 1 quickly, and excessive sealing water enters the surface of the water distribution disc 32 along the vertical pipe 31 and flows out from the water dropping holes 321 on the surface of the water distribution disc 32.

Further, the edge of the surface of the tapping plate 32 protrudes in the axial direction of the tapping plate 32 away from the standpipe 31, so that a ring of water stop rings is formed on the surface of the tapping plate 32. When the water-stopping ring cannot drain excessive sealing water from the water-dropping hole 321 due to an accident, the sealing water is temporarily accumulated on the surface of the water-dividing disc 32, so that the sealing water is prevented from overflowing. Further, the water dropping hole 321 has an isosceles trapezoid shape in cross section, which allows the surface of the water distribution tray 32 to receive more sealing water.

To sum up, the utility model discloses a return water of inlet channel sealed water in with the feed pump converges and carries to spray set, and spray set changes the surface area when the sealed water in the inlet tube flows out to the water soluble oxygen content when having reduced the sealed water in the inlet tube and having flowed into the condenser. Furthermore, the cross section of the water dripping hole is in an isosceles trapezoid shape, and the shape not only further increases the surface area of the sealing water when the sealing water is discharged on the water distribution disc, but also enables the water distribution disc to contain more sealing water. Further, the edge of the water diversion plate is provided with a water stop ring so as to further prevent the sealing water from overflowing.

The foregoing description has described certain embodiments of the invention. Other embodiments are within the scope of the following claims.

The terms "exemplary," "example," and the like, as used throughout this specification, mean "serving as an example, instance, or illustration," and do not mean "preferred" or "advantageous" over other embodiments. The detailed description includes specific details for the purpose of providing an understanding of the described technology. However, the techniques may be practiced without these specific details. In some instances, well-known structures and devices are shown in block diagram form in order to avoid obscuring the concepts of the described embodiments.

The above describes in detail optional embodiments of the present invention with reference to the drawings, however, the embodiments of the present invention are not limited to the details in the above embodiments, and within the technical concept scope of the embodiments of the present invention, various simple modifications can be performed on the technical solution of the embodiments of the present invention, and these simple modifications all belong to the protection scope of the embodiments of the present invention.

The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the scope of the disclosure. Thus, the description is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The utility model provides a pipeline auxiliary equipment for reducing water-soluble oxygen content locates between condensate system and the return water pipeline of sealed water in the feed pump which characterized in that, pipeline auxiliary equipment includes: a water inlet pipeline (1), a condenser (2) and a spray assembly (3); the water inlet end of the water inlet pipeline (1) is communicated with the water return pipeline, and the water outlet end of the water inlet pipeline (1) extends into the condenser (2) and is communicated with the spray assembly (3); the condenser (2) is used for providing a vacuum environment for the drainage of the spraying component (3) and storing the sealing water flowing out of the spraying component (3) for the use of the condensed water system; the spray assembly (3) is used for changing the surface area of the sealing water flowing out through the water inlet pipeline (1) when the sealing water flows out.

2. The plumbing fixture of claim 1, wherein the spray assembly (3) comprises a standpipe (31) and a paring disc (32); one end of the vertical pipe (31) extends into the water distribution disc (32) and is communicated with the condenser (2); the pipe wall of one end of the vertical pipe (31) connected with the water distribution disc (32) is provided with water outlet holes (311) which are densely distributed; the water distribution disc (32) is provided with a plurality of water dripping holes (321) for discharging the sealing water.

3. The plumbing fixture of claim 2, wherein the knock out tray (32) is further provided with a through-hole (322); the through hole (322) is positioned at the axis of the water distribution disc (32), and one end of the vertical pipe (31) extends into the through hole (322).

4. The plumbing fixture as claimed in claim 3, wherein each of the weep holes (321) has an isosceles trapezoid shape in cross-section.

5. The pipe attachment according to claim 3, wherein the water outlet holes (311) are densely distributed on the riser pipe (31) in the circumferential direction and the axial direction of the riser pipe (31), respectively.

6. The plumbing fixture of claim 5, wherein each of said outlet openings (311) has a nozzle disposed therein.

7. The plumbing fixture as claimed in claim 2, wherein the intake conduit (1) comprises a horizontal portion (11) and a vertical portion (12) perpendicular to each other; the first port of the horizontal part (11) is the water inlet end, the second port of the horizontal part (11) is communicated with the first port of the vertical part (12), and the second port of the vertical part (12) is the water outlet end.

8. The plumbing fixture as recited in claim 3, wherein an edge of the diverter tray (32) protrudes in an axial direction of the diverter tray (32) away from the standpipe (31) to form a water stop ring (33) for preventing seal water from overflowing.

9. The plumbing fixture as claimed in claim 5, wherein the water outlet opening (311) is located above the surface of the sealing water in the condenser (2).

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