CN220622848U

CN220622848U - Water seal mechanism

Info

Publication number: CN220622848U
Application number: CN202322261396.2U
Authority: CN
Inventors: 谢其志; 马启东; 谢庆杰; 曹道义; 武猛; 曹权; 刘锦全; 谢子辉
Original assignee: Lianyungang Jiu Cheng Power Auxiliary Machinery Co ltd
Current assignee: Lianyungang Jiu Cheng Power Auxiliary Machinery Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-03-19
Anticipated expiration: 2033-08-22

Abstract

The utility model discloses a water seal mechanism, which belongs to the technical field of water seal mechanisms and comprises a deaerator water tank, wherein a U-shaped sealing cylinder is arranged on the left side of the deaerator water tank, the U-shaped sealing cylinder is connected with the deaerator water tank through a pipeline, the connecting position of the U-shaped sealing cylinder is positioned at the highest water level of the deaerator water tank, a recovery tank is arranged on the left side of the U-shaped sealing cylinder, the recovery tank is connected with the U-shaped sealing cylinder through a pipeline, a tube plate is arranged in the recovery tank, a heat exchange tube is arranged at the bottom of the tube plate, an air chamber is arranged at the upper part of the tube plate, a fan is arranged at the left part of the air chamber, a steam exhaust tube is arranged at the lower side of the tube plate, and the steam exhaust tube is connected with the recovery tank. The technical problem of the current equipment steam discharge extravagant when the steam pressure release has been solved.

Description

Water seal mechanism

Technical Field

The utility model belongs to the technical field of water seal mechanisms, and particularly relates to a water seal mechanism.

Background

The deaerator is one of the indispensable devices in the boiler feed water regenerative system, and is mainly used for removing oxygen and other non-condensable gases in the boiler feed water so as to ensure the quality of the feed water. The water tank of deaerator is furnished with water seal mechanism generally, and water seal mechanism's effect has: 1. external gas is prevented from entering the deaerator; 2. when the liquid level in the water tank is higher than the highest safe water level, the redundant water can be discharged through the water seal mechanism; 3. when the internal pressure of the deaerator exceeds the normal working pressure due to excessive steam in the water tank, the excessive steam can be discharged through the water seal mechanism, so that the deaerator is decompressed, and the deaerator is prevented from being endangered due to overpressure. However, when the deaerator in the prior art discharges excessive steam and is depressurized, the steam is discharged along with the discharge of the water seal in the water seal mechanism, the water seal is recovered, and the steam is discharged into the atmosphere, so that the steam is wasted.

Disclosure of Invention

The utility model aims to: the utility model aims to provide a water seal mechanism to solve the technical problem that steam is discharged and wasted when the steam is decompressed by the existing equipment.

The utility model provides a water seal mechanism, includes deaerator water tank, its characterized in that: the deaerator water tank left side is equipped with U type seal a section of thick bamboo, U type seal a section of thick bamboo is connected and junction is located deaerator water tank highest water level department through pipeline and deaerator water tank, U type seal a section of thick bamboo left side is equipped with retrieves jar, retrieve jar and be located U type seal a section of thick bamboo highest water level department through pipeline and U type seal a section of thick bamboo junction, be equipped with the tube sheet in retrieving jar, the tube sheet bottom is equipped with the heat exchange tube, tube sheet upper portion is equipped with the air chamber, the air chamber left part is equipped with the fan, the tube sheet downside is equipped with the exhaust pipe, the exhaust pipe is connected with retrieving jar.

1. Under normal conditions, a certain amount of water seal is arranged in the U-shaped sealing cylinder, so that steam in the deaerator water tank is prevented from leaking.

2. When the water level in the deaerator water tank is higher than the highest water level, water in the deaerator water tank enters the U-shaped sealing cylinder through the pipeline, and if the water level in the U-shaped sealing cylinder is higher than the highest water level, the water is discharged into the recovery tank through the pipeline, so that the water levels in the deaerator water tank and the U-shaped sealing cylinder are always not higher than the highest water level.

3. When the vapor pressure in the deaerator water tank is increased due to too much vapor pressure, the vapor enters the U-shaped sealing cylinder through a pipeline, the water seal in the U-shaped sealing cylinder is extruded into the recovery tank, the vapor also enters the recovery tank after the water seal in the U-shaped sealing cylinder completely enters the recovery tank, the fan introduces external air flow into the air chamber, the air flow in the air chamber reenters the heat exchange tube and exchanges heat with the vapor in the recovery tank, the vapor is condensed to form condensed water and falls back into the recovery tank under the action of gravity to be collected, and the dry vapor is discharged and decompressed through the steam discharge tube.

Further, a water pump is arranged between the recovery tank and the U-shaped sealing cylinder, a water inlet pipe is arranged at the left part of the water pump, a water outlet pipe is arranged at the right part of the water pump, the water inlet pipe is connected with the recovery tank, and the water outlet pipe is connected with the U-shaped sealing cylinder.

After the water seals in the U-shaped sealing cylinders are discharged into the recovery tank, water in the recovery tank enters the U-shaped sealing cylinders through the water inlet pipe and the water outlet pipe through the water pump to supplement water.

Further, the water inlet pipe extends to the bottom of the recovery tank.

The water in the recovery tank can be pumped into the U-shaped sealing cylinder better.

Further, the deaerator water tank, the U-shaped sealing cylinder and the bottom of the recovery tank are all provided with supporting legs.

The deaerator water tank, the U-shaped sealing cylinder and the recovery tank are supported conveniently.

Compared with the prior art, the utility model has the following advantages: when the steam in the deaerator water tank too much leads to vapor pressure grow, in the steam passes through the pipeline entering U type seal section of thick bamboo, in the water seal extrusion in the U type seal section of thick bamboo gets into the recovery jar, in the whole steam of getting into recovery jar back of entering of water seal in the U type seal section of thick bamboo also gets into the recovery jar thereupon, the fan introduces external air current and gets into the air chamber, in the air current reentrant heat exchange tube in the air chamber, carry out heat exchange with the steam in the recovery jar for the steam condensation forms the comdenstion water and falls back in the recovery jar under the effect of gravity and is collected, and dry steam is discharged the pressure release through the blast pipe, the utility model discloses a retrieve the interior exhaust high pressure steam of deaerator, solved the extravagant technical problem of steam discharge when the steam pressure release of current equipment.

Drawings

Fig. 1 is a structural diagram of the present utility model.

The accompanying drawings: 1 deaerator water tank, 2U-shaped sealing cylinder, 3 recovery tank, 4 tube plate, 5 heat exchange tube, 6 air chamber, 7 fan, 8 exhaust tube, 9 water seal, 10 inlet tube, 11 outlet tube.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Examples

As shown in fig. 1:

the utility model provides a water seal mechanism, includes deaerator water tank 1, its characterized in that: the deaerator water tank 1 left side is equipped with U type seal tube 2, U type seal tube 2 is connected and junction is located deaerator water tank 1 highest water level department through pipeline and deaerator water tank 1, U type seal tube 2 left side is equipped with retrieves jar 3, retrieve jar 3 is connected and junction is located U type seal tube 2 highest water level department through pipeline and U type seal tube 2, be equipped with tube sheet 4 in retrieving jar 3, tube sheet 4 bottom is equipped with heat exchange tube 5, tube sheet 4 upper portion is equipped with air chamber 6, air chamber 6 left part is equipped with fan 7, tube sheet 4 downside is equipped with exhaust pipe 8, exhaust pipe 8 is connected with retrieve jar 3.

Further, a water pump 9 is arranged between the recovery tank 3 and the U-shaped sealing cylinder 2, a water inlet pipe 10 is arranged at the left part of the water pump 9, a water outlet pipe 11 is arranged at the right part of the water pump 9, the water inlet pipe 10 is connected with the recovery tank 3, and the water outlet pipe 11 is connected with the U-shaped sealing cylinder 2.

Further, the water inlet pipe 10 extends to the bottom of the recovery tank 3.

Further, the bottom of the deaerator water tank 1, the U-shaped sealing cylinder 2 and the recovery tank 3 are provided with supporting legs.

The application method of the utility model is as follows:

1. under normal conditions, a certain amount of water seals are arranged in the U-shaped sealing cylinder 2, so that steam in the deaerator water tank 1 is prevented from leaking.

2. When the water level in the deaerator water tank 1 is higher than the highest water level, water in the deaerator water tank 1 enters the U-shaped sealing cylinder 2 through a pipeline, and if the water level in the U-shaped sealing cylinder 2 is higher than the highest water level, the water is discharged into the recovery tank 3 through the pipeline, so that the water levels in the deaerator water tank 1 and the U-shaped sealing cylinder 2 are always not higher than the highest water level.

3. When the vapor in the deaerator water tank 1 is excessive and the vapor pressure is increased, the vapor enters the U-shaped sealing cylinder 2 through a pipeline, the water seal in the U-shaped sealing cylinder 2 is extruded into the recovery tank 3, when the water seal in the U-shaped sealing cylinder 2 completely enters the recovery tank 3, the vapor also enters the recovery tank 3 along with the water seal, the fan 7 introduces external air flow into the air chamber 6, the air flow in the air chamber 6 enters the heat exchange tube 5 again and exchanges heat with the vapor in the recovery tank 3, the vapor is condensed to form condensed water and falls back into the recovery tank 3 under the action of gravity to be collected, and the dry vapor is discharged and decompressed through the steam discharge tube 8.

The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would also be considered to be within the scope of the utility model.

Claims

1. The utility model provides a water seal mechanism, includes deaerator water tank (1), its characterized in that: the deaerator water tank (1) left side is equipped with U type seal a section of thick bamboo (2), U type seal a section of thick bamboo (2) are connected and junction is located deaerator water tank (1) highest water level department through pipeline and deaerator water tank (1), U type seal a section of thick bamboo (2) left side is equipped with retrieves jar (3), retrieve jar (3) and be connected and junction is located U type seal a section of thick bamboo (2) highest water level department through pipeline and U type seal a section of thick bamboo (2), be equipped with tube sheet (4) in retrieving jar (3), tube sheet (4) bottom is equipped with heat exchange tube (5), tube sheet (4) upper portion is equipped with air chamber (6), air chamber (6) left portion is equipped with fan (7), tube sheet (4) downside is equipped with exhaust pipe (8), exhaust pipe (8) are connected with retrieve jar (3).

2. The water seal mechanism of claim 1, wherein: the recovery tank is characterized in that a water pump (9) is arranged between the recovery tank (3) and the U-shaped sealing cylinder (2), a water inlet pipe (10) is arranged at the left part of the water pump (9), a water outlet pipe (11) is arranged at the right part of the water pump (9), the water inlet pipe (10) is connected with the recovery tank (3), and the water outlet pipe (11) is connected with the U-shaped sealing cylinder (2).

3. A water seal mechanism as claimed in claim 2, wherein: the water inlet pipe (10) extends to the bottom of the recovery tank (3).

4. The water seal mechanism of claim 1, wherein: the bottom of the deaerator water tank (1), the U-shaped sealing cylinder (2) and the bottom of the recovery tank (3) are provided with supporting legs.