CN221349133U - Boiler drum water level control device - Google Patents

Abstract

The utility model provides a boiler drum water level control device, which relates to the field of drums and comprises a drum body, wherein a steam outlet pipeline and a dosing pipeline are arranged at the upper part of the drum body, a sewage discharge pipeline and a descending pipeline are arranged at the lower end of the drum body, steam-water mixture feeding pipelines are arranged at the two sides of the drum body, feeding ports are arranged at the front end and the rear end of the drum body, and a low-level water outlet pipeline and a high-level water outlet pipeline are arranged at the side part of the drum body.

Description

Boiler drum water level control device

Technical Field

The application relates to the field of steam drums, in particular to a boiler steam drum water level control device.

Background

The steam drum is a cylindrical pressure vessel used for steam-water separation and steam purification in a water pipe boiler, and forms a water circulation loop and stores boiler water. The main function is to receive the water from the economizer, to separate the steam from the water and supply water to the circulation loop, and to convey saturated steam to the superheater. The steam drum has certain water amount, certain heat and working medium, and can slow down the change of steam pressure during the change of working condition, and has certain buffering effect when the water supply is inconsistent with the load in short time. The steam drum is internally provided with an internal device for steam-water separation, steam cleaning, chemical adding in the boiler and continuous pollution discharge, thereby ensuring the steam quality.

However, when the water level of the existing drum is controlled, the water level is too high, and when the water level is too high, if the water is not drained in time, a certain potential safety hazard exists.

Disclosure of Invention

The embodiment of the application aims to provide a boiler drum water level control device which can solve the technical problem that water level is too high and cannot be discharged in time.

The embodiment of the application provides a boiler drum water level control device, which comprises a drum body, wherein a steam outlet pipeline and a dosing pipeline are arranged at the upper part of the drum body, a sewage discharge pipeline and a descending pipeline are arranged at the lower end of the drum body, steam-water mixture feeding pipelines are arranged at two sides of the drum body, feeding ports are arranged at the front end and the rear end of the drum body, a low-level water outlet pipeline and a high-level water outlet pipeline are arranged at the side part of the drum body, one end, close to the inner wall of the drum body, of the high-level water outlet pipeline is close to one end, close to the inner wall of the drum body, of the low-level water outlet pipeline is provided with a cover body, water inlet holes are orderly arranged on the cover body, water level detection sensors are arranged between the cover body and the low-level water outlet pipeline, and between the cover body and the high-level water outlet pipeline are provided with valves.

Preferably, the number of the high-level water outlet pipelines is twice that of the low-level water outlet pipelines, and the high-level water outlet pipelines are arranged above the low-level water outlet pipelines.

Preferably, the height difference between the low-level water outlet pipeline and the high-level water outlet pipeline is 5-10cm.

Preferably, a grille is arranged at the lower end of the steam drum body, and the grille is made of metal materials.

Preferably, a cyclone separator is arranged above the grid, and a plurality of cyclone separators are arranged.

Preferably, the dosing pipeline, the sewage draining pipeline and the descending pipeline are all provided with at least two.

Preferably, the steam-water mixture feeding pipeline is provided with a plurality of steam-water mixture feeding pipelines, and the steam-water mixture feeding pipeline is arranged in an upturned mode.

The utility model has the beneficial effects that:

The utility model provides a boiler drum water level control device, which comprises a drum body, wherein a steam outlet pipeline and a dosing pipeline are arranged at the upper part of the drum body, a sewage discharge pipeline and a descending pipeline are arranged at the lower end of the drum body, steam-water mixture feeding pipelines are arranged at the two sides of the drum body, feeding ports are arranged at the front end and the rear end of the drum body, a low-level water outlet pipeline and a high-level water outlet pipeline are arranged at the side part of the drum body, the high-level water outlet pipeline is close to one end of the inner wall of the drum body, one end of the high-level water outlet pipeline, which is close to the inner wall of the drum body, is provided with a cover body with water inlet holes which are orderly arranged, a water level detection sensor is arranged between the cover body and the low-level water outlet pipeline, and between the cover body and the high-level water outlet pipeline, and valves are arranged on the low-level water outlet pipeline.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

Fig. 2 is a cross-sectional view of the present utility model.

The reference numerals are respectively:

1. a drum body; 2. a steam outlet pipe; 3. a dosing pipeline; 4. a sewage drain pipe; 5. a descending pipe; 6. a steam-water mixture feeding pipeline; 7. a feed inlet; 8. a low-order water outlet pipeline; 9. high-order water outlet pipeline; 10. a cover body; 11. a grille; 12. a cyclone separator.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the product of the application, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-2, a boiler drum water level control device comprises a drum body 1, a steam outlet pipeline 2 and a dosing pipeline 3 are arranged at the upper part of the drum body 1, a sewage discharging pipeline 4 and a descending pipeline 5 are arranged at the lower end of the drum body 1, steam water mixture inlet pipelines 6 are arranged at two sides of the drum body 1, a feed inlet 7 is arranged at the front end and the rear end of the drum body 1, a low-level water outlet pipeline 8 and a high-level water outlet pipeline 9 are arranged at the side part of the drum body 1, the high-level water outlet pipeline 9 is close to one end of the inner wall of the drum body 1, the water inlet holes which are in regular arrangement with the low-level water outlet pipeline 8 are formed in one end cover body 10, water level detection sensors are arranged between the cover body 10 and the low-level water outlet pipeline 8, and the high-level water outlet pipeline 9 are respectively provided with a valve, and when the water level detection pipelines are used, the water level detection pipeline 3 can be directly opened, and when the water level detection pipeline is opened, the water level detection pipeline can be directly discharged from the drum body 1, and the water level detection pipeline can be prevented from reaching the inside when the high-level water outlet pipeline 9, and the water level detection pipeline is opened, and the water level detection pipeline can be directly discharged from the drum body 1.

As shown in fig. 1-2, in this embodiment, the number of the high-level water outlet pipelines 9 is twice the number of the low-level water outlet pipelines 8, the high-level water outlet pipelines 9 are arranged above the low-level water outlet pipelines 8, the height difference between the low-level water outlet pipelines 8 and the high-level water outlet pipelines 9 is 5-10cm, and when the water level reaches the high-level water outlet pipelines 9, rapid water drainage can be performed.

In this embodiment, as shown in fig. 1-2, the lower end of the drum body 1 is provided with a grille 11, the grille 11 is made of metal materials, cyclone separators are arranged above the grille 11, and a plurality of cyclone separators are arranged, so that residues in the drum can be prevented from entering the sewage drain pipe 4 and the descending pipe 5 by the grille 11.

As shown in fig. 1-2, in this embodiment, in order to provide the feeding and discharging rates, at least two dosing pipelines 3, at least two sewage pipelines 4 and at least two descending pipelines 5 are respectively provided, a plurality of steam-water mixture feeding pipelines 6 are provided, and the steam-water mixture feeding pipelines 6 are arranged in an upturned manner.

The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (7)

1. A boiler drum water level control device is characterized in that: including the steam drum body, steam drum body upper portion is provided with steam outlet pipeline and dosing pipeline, steam drum body lower extreme is provided with blow off pipeline and decline pipeline, steam drum body both sides all are provided with steam-water mixture pan feeding pipeline, steam drum body front end and rear end all are provided with the pan feeding mouth, steam drum body lateral part is provided with low-order outlet pipeline and high-order outlet pipeline, high-order outlet pipeline be close to the one end of steam drum body inner wall with low-order outlet pipeline is close to the one end cover body of steam drum body inner wall, be provided with the inlet opening of neatly arranging on the cover body, the cover body with between the low-order outlet pipeline water level detection sensor between the cover body with the high-order outlet pipeline, all be provided with the valve on the low-order outlet pipeline on the high-order outlet pipeline.

2. A boiler drum water level control apparatus as claimed in claim 1, wherein: the number of the high-order water outlet pipelines is twice that of the low-order water outlet pipelines, and the high-order water outlet pipelines are arranged above the low-order water outlet pipelines.

3. A boiler drum water level control apparatus as claimed in claim 2, wherein: the height difference between the low-level water outlet pipeline and the high-level water outlet pipeline is 5-10cm.

4. A boiler drum water level control apparatus as claimed in claim 1, wherein: the steam drum is characterized in that a grille is arranged at the lower end of the steam drum body, and the grille is made of metal materials.

5. A boiler drum water level control apparatus as set forth in claim 4 wherein: cyclone separators are arranged above the grids, and a plurality of cyclone separators are arranged.

6. A boiler drum water level control apparatus as claimed in claim 1, wherein: the dosing pipeline, the sewage drain pipeline and the descending pipeline are all provided with at least two.

7. A boiler drum water level control apparatus as claimed in claim 1, wherein: the steam-water mixture feeding pipelines are provided with a plurality of steam-water mixture feeding pipelines, and the steam-water mixture feeding pipelines are arranged in an upturned mode.