CN218178862U

CN218178862U - Water supply device of single-channel valve steam generator

Info

Publication number: CN218178862U
Application number: CN202222793224.5U
Authority: CN
Inventors: 邓健豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2022-12-30
Anticipated expiration: 2032-10-21

Abstract

A water supply for a single channel valve steam generator comprising: the water supply end of the water supply pipeline is communicated with a normal-pressure water tank, the water outlet end of the water supply pipeline extends into the pressure bin high-pressure kettle, and the normal-pressure water tank is provided with a pressure reduction valve; in addition, an upper gate valve, a middle gate valve and a lower gate valve are arranged on the water supply pipeline from top to bottom; a first balance air pipe, wherein a first air pipe valve is arranged in the first balance air pipe Heng Qiguan and is used for conducting or cutting off the conveying of air; a second balance air pipe, wherein a second air pipe valve is arranged in the second balance air pipe Heng Qiguan and is used for conducting or cutting off the conveying of air; and a third balanced air pipe, wherein a third air pipe valve is arranged in the third balanced air pipe Heng Qiguan and is used for conducting or cutting off the conveying of air. The utility model discloses the transport route of separation and gas and liquid for the work flow is more clear, strengthens the dependent stress to the particular case.

Description

Water supply device of single-channel valve steam generator

Technical Field

The utility model particularly relates to a single channel valve steam generator's water supply installation.

Background

Chinese patent CN 106338059B discloses a water supply device for a steam generator, in which a first inner tube is connected to a lower port of a first upstream valve and is close to an upper port of a first midstream valve, and a first gap is left, a second inner tube is connected to a lower port of a first downstream valve and is close to an upper port of a first downstream valve, and a second gap is left, and a third inner tube is connected to a lower port of a first downstream valve, and water is supplied to a high-pressure chamber by synchronously opening or closing valves of the same stage (e.g., the first upstream valve and the second upstream valve).

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a single channel valve steam generator's water supply installation.

The utility model discloses a technical scheme that its technical problem was solved to an embodiment adopted is:

a water supply for a single channel valve steam generator comprising:

the water supply end of the water supply pipeline is communicated with a normal-pressure water tank, the water outlet end of the water supply pipeline extends into the pressure bin high-pressure kettle, and the normal-pressure water tank is provided with a pressure reduction valve;

an upstream sluice, a midstream sluice and a downstream sluice are arranged on the water supply pipeline from top to bottom, an upper sluice chamber is formed between the upstream sluice and the midstream sluice, and a lower sluice chamber is formed between the midstream sluice and the downstream sluice;

the upstream sluice is provided with a first upstream valve, the midstream sluice is provided with a first midstream valve, and the downstream sluice is provided with a first downstream valve;

one end of the first balance air pipe is communicated with the water outlet end of the water supply pipeline, the other end of the first balance air pipe is communicated with the lower gate chamber and is higher than the liquid level of the lower gate chamber, and a first air pipe valve is arranged in the first flat Heng Qiguan and is used for conducting or cutting off the gas transmission;

one end of the second balance air pipe is communicated with the lower gate chamber and is higher than the liquid level of the lower gate chamber, the other end of the second balance air pipe is communicated with the upper gate chamber and is higher than the liquid level of the upper gate chamber, and a second air pipe valve is arranged in the second balance air pipe Heng Qiguan and is used for conducting or cutting off the conveying of air;

one end of the third balance air pipe is communicated with the upper lock chamber and is higher than the liquid level of the upper lock chamber, the other end of the third balance air pipe is communicated with the normal-pressure water tank and is higher than the liquid level of the normal-pressure water tank, and a third air pipe valve is arranged in the third balance air pipe Heng Qiguan and is used for conducting or cutting off the conveying of air.

Preferably, a steam output valve is further arranged on the pressure cabin autoclave.

The utility model has the advantages that:

the utility model is provided with a first balance air pipe, a second balance air pipe and a third balance air pipe which are used for switching on and switching off the air transportation at one side of the water supply pipeline, and separates the transportation path of the gas and the liquid, so that the work flow is clearer; secondly, in the whole working process, the valve for controlling the gas to be cut off or conducted and the valve for controlling the liquid to be cut off or conducted work independently, and the strain force to special conditions is enhanced.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a sectional view of the water supply device of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as excluding the number, and the terms greater than, less than, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can be detachably connected and can be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

A water supply apparatus of a single channel valve steam generator, referring to fig. 1, comprising:

the water supply end of the water supply pipeline 1 is communicated with a normal pressure water tank 2, the water outlet end of the water supply pipeline extends into the pressure bin high-pressure kettle 3, and the normal pressure water tank 2 is provided with a pressure reduction valve 21;

an upstream water gate 4, a midstream water gate 5 and a downstream water gate 6 are arranged on the water supply pipeline 1 from top to bottom, an upper gate chamber 7 is formed between the upstream water gate 4 and the midstream water gate 5, and a lower gate chamber 8 is formed between the midstream water gate 5 and the downstream water gate 6;

the upstream sluice 4 is provided with a first upstream valve 41, the midstream sluice 5 is provided with a first midstream valve 51, and the downstream sluice 6 is provided with a first downstream valve 61;

a first balance gas pipe 9, one end of which is communicated with the water outlet end of the water supply pipeline 1, and the other end of which is communicated with the lower gate chamber 8 and is higher than the liquid level of the lower gate chamber 8, wherein a first gas pipe valve 91 is arranged in the first balance gas pipe 9 and is used for switching on or off the gas transmission;

one end of the second balance gas pipe 10 is communicated with the lower lock chamber 8 and is higher than the liquid level of the lower lock chamber 8, the other end of the second balance gas pipe is communicated with the upper lock chamber 7 and is higher than the liquid level of the upper lock chamber 7, and a second gas pipe valve 101 is arranged in the second balance gas pipe 10 and is used for conducting or cutting off gas transmission;

and a third balanced gas pipe 11, one end of which is communicated with the upper lock chamber 7 and is higher than the liquid level of the upper lock chamber 7, the other end of which is communicated with the normal pressure water tank 2 and is higher than the liquid level of the normal pressure water tank 2, and a third gas pipe valve 111 is arranged in the third balanced gas pipe 11 and is used for switching on or off the gas transmission.

Further, a steam output valve 31 is arranged on the pressure cabin autoclave 3.

The utility model discloses a theory of operation is:

when the lower sluice chamber 8 is filled with water to be supplemented; firstly, opening a first air pipe valve 91 to enable water vapor in the pressure chamber autoclave 3 to enter a first balance air pipe 9 through the water outlet end of the water supply pipeline 1 and be discharged into a lower lock chamber 8, wherein a first midstream valve 51 and a second air pipe valve 101 are in a closed state at the moment; and secondly, when the air pressures of the two spaces of the pressure chamber high-pressure kettle 3 and the lower lock chamber 8 reach balance, the first downstream valve 61 is opened, and at the moment, the water in the lower lock chamber 8 is discharged into the pressure chamber high-pressure kettle 3 through the first downstream valve 61 (the reason for discharging the water is mainly due to the self gravity of the water), so that the water replenishing work of the pressure chamber high-pressure kettle 3 is completed.

After the water in the lower lock chamber 8 is emptied, in the first step, the first downstream valve 61 and the first air pipe valve 91 are closed; secondly, opening a second air pipe valve 101, wherein water vapor in the lower lock chamber 8 enters the upper lock chamber 7 through a second balance air pipe 10, and when the air pressure of two spaces of the upper lock chamber 7 and the lower lock chamber 8 is balanced; and thirdly, opening the first midstream valve 51, and discharging water in the upper lock chamber 7 into the lower lock chamber 8 (the reason for water discharge is mainly due to the self gravity of the water), so that the water replenishing work of the lower lock chamber 8 is completed.

When the water in the upper lock chamber 7 is emptied, in the first step, the first midstream valve 51 and the second air pipe valve 101 are closed; secondly, opening a third air pipe valve 111, and then making the water vapor in the upper lock chamber 7 enter the normal-pressure water tank 2 through a third balance air pipe 11; thirdly, when the air pressures of the two spaces of the normal-pressure water tank 2 and the upper lock chamber 7 reach balance; when the first upstream valve 41 is opened, the water in the normal pressure water tank 2 is discharged into the upper lock chamber 7 (the reason for the water discharge is mainly due to the self-gravity of the water), and the water replenishing work of the upper lock chamber 7 is completed.

The normal pressure water tank 2 can be communicated with a tap water pipe to keep continuous water source injection; when water in the normal-pressure water tank 2 is replenished, the pressure reduction valve 21 must be opened first, so that the tap water pipe valve can be opened to replenish water when the pressure in the normal-pressure water tank is reduced to the normal pressure level.

In order to ensure that the water replenishing work of each interval is orderly and smoothly implemented, the pressure chamber high-pressure kettle 3, the upper lock chamber 7, the lower lock chamber 8 and the normal-pressure water tank 2 are respectively provided with upper limit water level monitoring and lower limit water level monitoring (for example, the upper limit water level and the lower limit water level can be defined according to the water replenishing requirement in the high-pressure cabin 3, water level sensors can be placed on the upper limit water level and the lower limit water level, when the water level is lower than the upper limit water level or the lower limit water level, the water level sensors can control a circuit board to give out alarm light signals, and the water level sensors, the circuit board and the like are implemented according to the principle and belong to the conventional means of technicians in the field, and are not repeated herein), so that the whole water supply system timely implements or stops the water replenishing work of the corresponding intervals.

The procedures can be repeatedly circulated, and the water replenishing work for the pressure cabin high-pressure kettle 3 times can be completed.

In the above scheme, the utility model is provided with the first balance air pipe 9, the second balance air pipe 10 and the third balance air pipe 11 for switching on and off the air transportation on one side of the water supply pipeline 1, and separates the transportation path of the gas and the liquid, so that the work flow is clearer; secondly, in the whole working process, the valve for controlling the cut-off or the conduction of the gas and the valve for controlling the cut-off or the conduction of the liquid work independently, so that the strain force to special conditions is enhanced.

Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications and substitutions are included in the scope defined by the claims of the present application.

Claims

1. A water supply apparatus of a single channel valve steam generator, comprising:

the water supply system comprises a water supply pipeline (1), a water supply end is communicated with a normal-pressure water tank (2), a water outlet end extends into a pressure bin high-pressure kettle (3), and a pressure reduction valve (21) is arranged on the normal-pressure water tank (2);

an upstream sluice (4), a midstream sluice (5) and a downstream sluice (6) are arranged on the water supply pipeline (1) from top to bottom, an upper sluice chamber (7) is formed between the upstream sluice (4) and the midstream sluice (5), and a lower sluice chamber (8) is formed between the midstream sluice (5) and the downstream sluice (6);

the upstream sluice (4) is provided with a first upstream valve (41), the midstream sluice (5) is provided with a first midstream valve (51), and the downstream sluice (6) is provided with a first downstream valve (61);

one end of the first balance air pipe (9) is communicated with the water outlet end of the water supply pipeline (1), the other end of the first balance air pipe is communicated with the lower gate chamber (8) and is higher than the liquid level of the lower gate chamber (8), and a first air pipe valve (91) is arranged in the first balance air pipe (9) and used for conducting or cutting off the gas transmission;

one end of the second balance air pipe (10) is communicated with the lower lock chamber (8) and is higher than the liquid level of the lower lock chamber (8), the other end of the second balance air pipe is communicated with the upper lock chamber (7) and is higher than the liquid level of the upper lock chamber (7), and a second air pipe valve (101) is arranged in the second balance air pipe (10) and used for conducting or cutting off the conveying of air;

and one end of the third balanced air pipe (11) is communicated with the upper lock chamber (7) and is higher than the liquid level of the upper lock chamber (7), the other end of the third balanced air pipe is communicated with the normal-pressure water tank (2) and is higher than the liquid level of the normal-pressure water tank (2), and a third air pipe valve (111) is arranged in the third balanced air pipe (11) and is used for conducting or cutting off the conveying of air.

2. The water supply device of the single-channel valve steam generator according to claim 1, characterized in that the pressure chamber autoclave (3) is further provided with a steam output valve (31).