CN217736449U - Automatic compressed air drainage device suitable for 300MW unit - Google Patents

Abstract

The utility model discloses a compressed air automatic drainage device suitable for 300MW unit, including the compressed air tank that runs through on the outer wall and is provided with the intake pipe and the cover that the top runs through and is provided with the outlet duct, compressed air tank and cover fixed sealing connection, the bottom of compressed air tank runs through and is provided with the drain valve, the drain valve includes the valve body that runs through the compressed air tank bottom, valve body and compressed air tank fixed sealing connection, the water inlet department sealing connection of valve body has the case, the inner wall fixed connection of compressed air tank has the support, the outer wall of support rotates and is connected with the bearing; the utility model discloses in, after the liquid level in the compressed air jar rises to a take the altitude, the turning arm drives the bearing rotation on the floater accessible to make down the turning arm drive the case and break away from the valve body, thereby discharge with water smoothly, after the liquid level in the compressed air jar drops to a take the altitude, the buoyancy that the floater received descends, can drive the case and reset, in order to stop the drainage.

Description

Automatic compressed air drainage device suitable for 300MW unit

Technical Field

The utility model relates to an electric power production field specifically is an automatic drainage device of compressed air suitable for 300MW unit.

Background

300MW unit instrument pipeline sweeps in the electric power production trade, the gaseous that equipment cooling air and pneumatic actuator control adopted relies on compressed air system mostly to acquire, current compressed air system relies on the desiccator dehumidification, but when the air humidity is great, the dehumidification effect is poor, compressed air area water, lead to compressed air pipeline ponding, damage actuating mechanism cylinder, parts such as solenoid valve, reduce equipment life, influence equipment normal use, consequently can install gas-liquid separation equipment in air compression system usually, with water to in the compressed air separates, reduce the water content in the compressed air of output.

Most of the existing gas-liquid separation equipment depends on a manual valve or an electromagnetic valve to discharge accumulated water, the former is troublesome to operate, while the latter is convenient to operate, but needs to install a matched liquid level sensor, otherwise, the gas in the equipment is easily discharged, and the cost is higher and needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compressed air automatic water discharging device suitable for 300MW unit to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an automatic drainage device of compressed air suitable for 300MW unit, runs through the compressed air jar that is provided with the intake pipe on the outer wall and runs through the cover that is provided with the outlet duct at top, compressed air jar and cover fixed seal are connected, the bottom of compressed air jar is run through and is provided with the drain valve, the drain valve is including the valve body that runs through compressed air jar bottom, valve body and compressed air jar fixed seal are connected, the water inlet department sealing connection of valve body has the case, the inner wall fixedly connected with support of compressed air jar, the outer wall of support rotates and is connected with the bearing, the outer wall fixedly connected with lower turning arm and the last turning arm of bearing, the one end and the case fixed connection of turning arm down, the one end fixedly connected with floater of going up the turning arm.

As a further aspect of the present invention: the outer wall of the upper crank arm is fixedly connected with a tension spring, and one end of the tension spring is fixedly connected with the support.

As a further aspect of the present invention: the inner wall of the compressed air tank and the corresponding position of the air inlet pipe are fixedly connected with a baffle through a plurality of fixing rods.

As a further aspect of the present invention: the inner wall of the tank cover is fixedly connected with a mounting pipe at a position corresponding to the air outlet pipe, and the inner wall of the mounting pipe is provided with a mist catcher.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, after the liquid level in the compressed air jar rises to a take the altitude, the floater can drive the bearing through last turning arm under the buoyancy and rotate to make lower turning arm drive the case and break away from the valve body, thereby discharge water smoothly, after liquid level in the compressed air jar drops to a take the altitude, the buoyancy that the floater received descends, can drive the case and reset, in order to stop the drainage.

2. Through the setting of baffle, can block the compressed air that blows in the compressed air jar to make the moisture striking of part on the baffle and converge gradually and drip, through the setting of mist trap, can filter moisture before gaseous by the outlet duct discharge, thereby further reduce exhaust compressed air's water content.

Drawings

Fig. 1 is a schematic structural diagram of an automatic compressed air drainage device suitable for a 300MW unit.

Fig. 2 is an enlarged view of a point a in fig. 1.

The device comprises a compressed air tank 1, a tank cover 2, an air inlet pipe 3, an air outlet pipe 4, a fixing rod 5, a baffle 6, a mounting pipe 7, a mist catcher 8, a valve body 9, a valve core 10, a support 11, a bearing 12, a lower crank arm 13, an upper crank arm 14, a floating ball 15 and a tension spring 16.

Detailed Description

In order to make the technical problem, technical scheme and the beneficial effect that the utility model will solve clearer and more understand, will combine the embodiment below, it is right to the utility model discloses further detail explanation. 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 when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have the orientation, configuration, and operation specified in the specification and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Please refer to fig. 1-2, in an embodiment of the present invention, an automatic compressed air drainage device suitable for 300MW units, includes a compressed air tank 1 running through an air inlet pipe 3 on the outer wall and a tank cover 2 running through an air outlet pipe 4 on the top, the compressed air tank 1 is fixedly and hermetically connected with the tank cover 2, the bottom of the compressed air tank 1 runs through a drain valve, the drain valve includes a valve body 9 running through the bottom of the compressed air tank 1, the valve body 9 is fixedly and hermetically connected with the compressed air tank 1, a water inlet of the valve body 9 is hermetically connected with a valve core 10, an inner wall fixedly connected with support 11 of the compressed air tank 1, the outer wall of the support 11 is rotatably connected with a bearing 12, the outer wall fixedly connected with a lower crank arm 13 and an upper crank arm 14 of the bearing 12, one end of the lower crank arm 13 is fixedly connected with the valve core 10, and one end of the upper crank arm 14 is fixedly connected with a floating ball 15.

The outer wall of the upper crank arm 14 is fixedly connected with a tension spring 16, and one end of the tension spring 16 is fixedly connected with the bracket 11.

When the valve core 10 and the valve body 9 are in a closed state, the tension spring 16 applies a tension force to the upper crank arm 14, so as to counteract the acting force of the air pressure in the compressed air tank 1 on the valve body 9, so that after the liquid level in the compressed air tank 1 rises to a certain height, the floating ball 15 can smoothly drive the bearing 12 to rotate through the upper crank arm 14 under the action of buoyancy, so that the lower crank arm 13 drives the valve core 10 to be separated from the valve body 9, thereby smoothly discharging water, and after the liquid level in the compressed air tank 1 drops to a certain height, the buoyancy borne by the floating ball 15 drops, and the valve core 10 can be driven to reset, so as to stop water discharge.

The corresponding position of the inner wall of the compressed air tank 1 and the air inlet pipe 3 is fixedly connected with a baffle 6 through a plurality of fixing rods 5.

By means of the baffle 6, the compressed air blown into the compressed air tank 1 can be blocked, so that part of the moisture in the air impinges on the baffle 6 and gradually collects into water drops.

The inner wall of the tank cover 2 is fixedly connected with a mounting pipe 7 at the corresponding position of the air outlet pipe 4, and the inner wall of the mounting pipe 7 is provided with a mist catcher 8.

By the arrangement of the mist trap 8, moisture can be filtered before the gas is discharged from the outlet duct 4, thereby further reducing the water content of the discharged compressed air.

The utility model discloses a theory of operation is:

the utility model discloses in, through the setting of baffle 6, can block the compressed air that blows in compressed air jar 1 to make the moisture striking of part in the air collect gradually on baffle 6 and drip as the drop of water, through the setting of mist catcher 8, can filter moisture before gaseous by outlet duct 4 discharges, thereby further reduce exhaust compressed air's water content.

The utility model discloses in, when case 10 and valve body 9 are the closure state, extension spring 16 can exert a pulling force to last turning arm 14, thereby offset the effort of atmospheric pressure to valve body 9 in the compressed air jar 1, so that the liquid level in the compressed air jar 1 rises to a take the altitude after, floater 15 can be smooth drive bearing 12 through last turning arm 14 under the buoyancy effect and rotate, so that turning arm 13 drives case 10 and breaks away from valve body 9 down, thereby the smooth water discharge, after the liquid level in the compressed air jar 1 drops to a take the altitude, the buoyancy that floater 15 received descends, can drive case 10 and reset, in order to stop the drainage.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (4)

1. The utility model provides an automatic drainage device of compressed air suitable for 300MW unit which characterized in that: the device comprises a compressed air tank (1) with an air inlet pipe (3) arranged on the outer wall in a penetrating mode and a tank cover (2) with an air outlet pipe (4) arranged on the top in a penetrating mode, the compressed air tank (1) is fixedly and hermetically connected with the tank cover (2), a drain valve is arranged on the bottom of the compressed air tank (1) in a penetrating mode, the drain valve comprises a valve body (9) penetrating through the bottom of the compressed air tank (1), the valve body (9) is fixedly and hermetically connected with the compressed air tank (1), a valve core (10) is hermetically connected at a water inlet of the valve body (9), a support (11) is fixedly connected with the inner wall of the compressed air tank (1), a bearing (12) is rotatably connected with the outer wall of the support (11), a lower crank arm (13) and an upper crank arm (14) are fixedly connected with the outer wall of the bearing (12), one end of the lower crank arm (13) is fixedly connected with the valve core (10), and a floating ball (15) is fixedly connected with one end of the upper crank arm (14).

2. The automatic compressed air drainage device suitable for the 300MW unit according to claim 1, wherein: the outer wall of the upper crank arm (14) is fixedly connected with a tension spring (16), and one end of the tension spring (16) is fixedly connected with the support (11).

3. The automatic compressed air drainage device suitable for 300MW units, according to claim 1, characterized in that: the corresponding position of the inner wall of the compressed air tank (1) and the air inlet pipe (3) is fixedly connected with a baffle (6) through a plurality of fixing rods (5).

4. The automatic compressed air drainage device suitable for 300MW units, according to claim 1, characterized in that: the inner wall of the tank cover (2) is fixedly connected with a mounting pipe (7) at the corresponding part of the air outlet pipe (4), and a mist catcher (8) is mounted on the inner wall of the mounting pipe (7).

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