CN217132292U

CN217132292U - Liquid level meter with indicating function for boiler

Info

Publication number: CN217132292U
Application number: CN202220669777.7U
Authority: CN
Inventors: 袁朝生; 丁鹏飞; 侯玉玺; 张韶煜; 赵硕硕; 尤运周; 杨宁
Original assignee: Luoyang Refining & Chemical Jiuyuan Petrochemical Co ltd
Current assignee: Luoyang Refining & Chemical Jiuyuan Petrochemical Co ltd
Priority date: 2022-03-26
Filing date: 2022-03-26
Publication date: 2022-08-05
Anticipated expiration: 2032-03-26

Abstract

The utility model discloses a liquid level meter with an indicating function for a boiler, which comprises a boiler placing platform and the boiler, wherein the boiler is positioned in the middle position of the upper surface of the boiler placing platform, the outer side surface of the boiler is provided with a liquid level meter, the output end of the liquid level meter is connected with the input end of the liquid level controller through a control cable, the output end of the liquid level controller is connected with and controls an alarm lamp, the upper surface of the boiler placing platform is symmetrically provided with a bracket mounting base, the support mounting base is sleeved with a support upright post, the upper surface of the support upright post is connected with an upper frame plate through a threaded post, the device in time reminds the staff to discover the water level height condition in the boiler, effectively avoids the condition that dry combustion and excessive appearance of boiler, and the effectual emergence of suppressing boiler incident ensures boiler safe operation, and the result of use reaches the expectation.

Description

Liquid level meter with indicating function for boiler

Technical Field

The utility model relates to a boiler water level control technical field specifically is a level gauge that is used for boiler to have instruction function.

Background

In the operation process of the large-scale boiler, the operation conditions of each pressure-bearing part and the safety accessories of the boiler are monitored by using a field camera, the operation conditions are watched on a monitoring video of an operation chamber of the boiler, and the operation of the boiler is controlled on an operation platform according to the video. Because the liquid level meter on the drum adopts all to turn over board or double-colored direct reading formula water level meter, drum or steam conduit external heat preservation have leak source and relief valve superpressure when releasing when the boiler operation have steam to discharge, also have the air that causes such as occasional strong wind, big fog, sleet weather opaque, the on-the-spot camera of water level meter all can be because of steam or the opaque sheltering from of air to it is not good to influence the viewing effect of water level meter on the surveillance video, easily see not clearly the water level and cause the maloperation, influence the safe operation of boiler.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to overcome current defect, provide a level gauge that is used for the boiler to have instruction function, the water level condition in the accurate control boiler, rational in infrastructure, the maintenance and the maintenance in the later stage of being convenient for improve the convenience of using, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a liquid level meter with an indication function for a boiler comprises a boiler placing platform and the boiler, wherein the boiler is located in the middle of the upper surface of the boiler placing platform, the outer side surface of the boiler is provided with the liquid level meter, the output end of the liquid level meter is connected with the input end of a liquid level controller through a control cable, the output end of the liquid level controller is connected with and controls an alarm lamp, a support mounting base is symmetrically arranged on the upper surface of the boiler placing platform, a support upright post is sleeved on the support mounting base, the upper surface of the support upright post is connected with an upper frame plate through a threaded post, the upper frame plate is connected with a positioning mounting disc through a telescopic post, the lower surface of the positioning mounting disc is provided with the liquid level controller, the liquid level controller and the positioning mounting disc are connected through a threaded shaft, the upper surface and the lower surface of the boiler are provided with sliding supports, arc-shaped clamping plates and alarm lamp mounting vertical supports are arranged in sliding grooves of the sliding supports, the alarm lamp installation vertical support is provided with an alarm lamp, the alarm lamp installation vertical support is arranged between the sliding supports, and the alarm lamp installation vertical support side wing plate is connected with a stable support block in a sliding mode.

Furthermore, the lower surface of the stabilizing support block is provided with a locking block, and the locking block is connected with the stabilizing support block through a fastener.

Furthermore, the lateral surface of boiler is provided with first solenoid valve and second solenoid valve, first solenoid valve and second solenoid valve correspond with first connecting pipe and the second connecting pipe that sets up at the level gauge lateral surface and are connected.

Furthermore, the number of the arc-shaped clamping plates is four, and every two arc-shaped clamping plates are arranged in the sliding grooves of the sliding supports on the upper surface and the lower surface of the boiler in a sliding mode.

Furthermore, cushion blocks are arranged on the upper surface of the boiler placing platform and symmetrically arranged on two sides of the sliding support on the lower surface of the boiler.

Further, the boiler placing platform comprises supporting legs and a placing plate, and the supporting legs are arranged on the periphery of the lower surface of the placing plate.

This a level gauge for boiler has instruction function has following benefit: when the water level reaches a low water level alarm value, the normal open point of the liquid level controller changes to a normal close point, the alarm lamp begins to flash to alarm, misoperation caused by opaque shielding of steam or air is effectively prevented, and staff are timely reminded that the water level in the boiler is too low and water needs to be supplemented in time; when the water level reached high water level alarm value, liquid level controller normal open point became normal close point, and the alarm lamp begins the scintillation and reports to the police, reminds staff's boiler interior water level too high, in time reminds the staff to discover the interior water level height condition of boiler, effectively avoids the boiler dry combustion method and the excessive condition to appear, and the effectual emergence of suppressing boiler incident ensures boiler safe operation, and the result of use reaches the expectation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a left side view of the present invention.

In the figure: 1 flexible post, 2 location mounting disc, 3 liquid level controller, 4 upper ledge boards, 5 alarm lamp installation erects to prop, 6 support posts, 7 alarm lamps, 8 stable piece, 9 support mounting bases, 10 landing legs, 11 arc cardboard, 12 place the board, 13 first solenoid valve, 14 first connecting pipes, 15 second connecting pipes, 16 second solenoid valves, 17 boiler, 18 boiler place the platform, 19 sliding support, 20 latch segments, 21 level gauge, 22 cushion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in fig. 2, only for convenience of description and simplification of description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. When a feature is referred to as being "disposed," "secured," or "connected" to another feature, it can be directly disposed, secured, or connected to the other feature or be indirectly disposed, secured, or connected to the other feature.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a level gauge for boiler has instruction function, includes boiler place the platform 18 and boiler 17, the upper surface of boiler place the platform 18 is provided with cushion 22, cushion 22 symmetry sets up 19 both sides at the sliding bracket of boiler 17 lower surface, and the use of cushion 22 is convenient for improve the stationarity of boiler 17, boiler place the platform 18 includes landing leg 10 and places board 12, the lower surface of placing board 12 is provided with landing leg 10 all around, and boiler 17 is located the upper surface intermediate position of boiler place the platform 18, the lateral surface of boiler 17 is provided with level gauge 21, the lateral surface of boiler 17 is provided with first solenoid valve 13 and second solenoid valve 16, first solenoid valve 13 and second solenoid valve 16 correspond with first connecting pipe 14 and second connecting pipe 15 that set up at level gauge 21 lateral surface and are connected, and level controller 3 and first solenoid valve 13, second solenoid valve 15, The second electromagnetic valve 16 and the alarm lamp 7 are electrically connected, the liquid level controller 3 is connected with the first electromagnetic valve 13 and the second electromagnetic valve 16, the liquid level controller 3 controls the first electromagnetic valve 13 and the second electromagnetic valve 16 to be closed, the liquid fluctuation in the boiler 17 is avoided from causing the up-and-down floating of the liquid in the liquid level meter 21, the measurement accuracy is high, the output end of the liquid level meter 21 is connected with the input end of the liquid level controller 3 through a control cable, the output end of the liquid level controller 3 is connected with and controls the alarm lamp 7, the upper surface of the boiler placing platform 18 is symmetrically provided with the bracket mounting bases 9, the bracket mounting bases 9 are sleeved with the bracket upright posts 6, the upper surface of the bracket upright posts 6 is connected with the upper frame plate 4 through threaded posts, the upper frame plate 4 is connected with the positioning mounting plate 2 through the telescopic posts 1, and the use of the telescopic posts 1 is convenient to adjust the mounting position of the device, the lower surface of the positioning and mounting disc 2 is provided with a liquid level controller 3, the liquid level controller 3 adopts an EM15-2 liquid level controller, the liquid level controller 3 is connected with the positioning and mounting disc 2 through a threaded shaft, the upper surface and the lower surface of the boiler 17 are provided with sliding supports 19, arc-shaped clamping plates 11 and alarm lamp mounting vertical supports 5 are arranged in sliding grooves of the sliding supports 19 in a sliding mode, cavity structures are adopted in the alarm lamp mounting vertical supports 5 to facilitate the mounting of electrical elements, the number of the arc-shaped clamping plates 11 is four, the arc-shaped clamping plates 11 are arranged in the sliding grooves of the sliding supports 19 on the upper surface and the lower surface of the boiler 17 in a group of two by two in a sliding mode, the position square edges of the arc-shaped clamping plates 11 are adjusted to be suitable for the boilers 17 with different outer diameters, alarm lamps 7 are arranged on the alarm lamp mounting vertical supports 5, the alarm lamp mounting vertical supports 5 are arranged between the sliding supports 19, and side wing plates of the alarm lamp mounting vertical supports 5 are connected with stabilizing support blocks 8 in a sliding mode, the lower surface of the stable supporting block 8 is provided with a locking block 20, the locking block 20 is connected with the stable supporting block 8 through a fastener, the locking block 20 is convenient for fixing the position of the stable supporting block 8, the locking block 20 is fixed with the support upright post 6 through a locking pin, the device timely reminds workers to find the height of the water level in the boiler 17, effectively prevents the safety accidents of the boiler 17, and ensures the safe operation of the boiler 17.

When in use: according to the size of a boiler 17, the length of a telescopic column 1 is adjusted, a support mounting base 9 is fixed on the upper surface of a placing plate 12, the positions of an arc-shaped clamping plate 11 and an alarm lamp mounting vertical support 5 are adjusted, the arc-shaped clamping plate 11 is connected with the boiler 17 in a clamping mode, a liquid level controller 3 is electrically connected with a first electromagnetic valve 13, a second electromagnetic valve 16 and an alarm lamp 7, when the water level reaches a low-water-level alarm value, the normally-open point of the liquid level controller 3 is changed into a normally-closed point, an electric signal is transmitted to the alarm lamp 7, the alarm lamp 7 starts to flash to alarm, a field worker is informed in a control room, the liquid level controller 3 controls the first electromagnetic valve 13 and the second electromagnetic valve 16 to be closed at the moment, the situation that the liquid inside the boiler 17 fluctuates to cause the up-down floating of the liquid inside the liquid level meter 21 is avoided, the measurement accuracy is high, the worker judges whether the water level inside the boiler 17 reaches an alarm threshold value through the water level inside the liquid level meter 21, further judging whether water is required to be supplemented;

when the water level reached high water level alarm value, liquid level controller 3 normal open point becomes the normal close point, alarm lamp 7 begins the scintillation warning, inform field work personnel in the control chamber, liquid level controller 3 controls first solenoid valve 13 and second solenoid valve 16 and closes, avoid the fluctuation of the inside liquid of boiler 17 to arouse the fluctuation of the inside liquid of level gauge 21, measuring precision is higher, whether the water level of staff in judging boiler 17 through the water level in level gauge 21 is too high reaches the alarm threshold value, and then judge whether excessive, ensure boiler 17 safe operation, the result of use reaches the expectation.

It should be noted that the liquid level controller 3 disclosed in the present embodiment is an EM15-2 liquid level controller. The liquid level controller 3 (or the singlechip) controls the first electromagnetic valve 13, the second electromagnetic valve 16 and the alarm lamp 7 by adopting a common method in the prior art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a level gauge for boiler has instruction function, includes boiler place the platform (18) and boiler (17), boiler (17) are located the upper surface intermediate position of boiler place the platform (18), the lateral surface of boiler (17) is provided with level gauge (21), its characterized in that: the upper surface of the boiler placing platform (18) is symmetrically provided with support mounting bases (9), the support mounting bases (9) are sleeved with support columns (6), the upper surface of each support column (6) is connected with an upper frame plate (4) through a threaded column, the upper frame plate (4) is connected with a positioning mounting disc (2) through a telescopic column (1), the lower surface of the positioning mounting disc (2) is provided with a liquid level controller (3), the liquid level controller (3) is connected with the positioning mounting disc (2) through a threaded shaft, the upper surface and the lower surface of the boiler (17) are provided with sliding supports (19), arc-shaped clamping plates (11) and alarm lamp mounting vertical braces (5) are arranged in sliding grooves of the sliding supports (19) in a sliding manner, alarm lamps (7) are arranged on the alarm lamp mounting vertical braces (5), and the alarm lamp mounting vertical braces (5) are arranged between the sliding supports (19), the alarm lamp is provided with the vertical support (5), and the side wing plate is connected with the stable support block (8) in a sliding manner.

2. The liquid level gauge with indication function for the boiler according to claim 1, characterized in that: the lower surface of the stabilizing support block (8) is provided with a locking block (20), and the locking block (20) is connected with the stabilizing support block (8) through a fastener.

3. The liquid level gauge with indication function for the boiler according to claim 1, characterized in that: the outer side surface of the boiler (17) is provided with a first electromagnetic valve (13) and a second electromagnetic valve (16), and the first electromagnetic valve (13) and the second electromagnetic valve (16) are correspondingly connected with a first connecting pipe (14) and a second connecting pipe (15) which are arranged on the outer side surface of the liquid level meter (21).

4. The liquid level gauge with indication function for the boiler according to claim 1, characterized in that: the number of the arc-shaped clamping plates (11) is four, and every two arc-shaped clamping plates are arranged in the sliding grooves of the sliding supports (19) on the upper surface and the lower surface of the boiler (17) in a sliding mode.

5. The liquid level gauge with indication function for the boiler according to claim 1, characterized in that: cushion blocks (22) are arranged on the upper surface of the boiler placing platform (18), and the cushion blocks (22) are symmetrically arranged on two sides of a sliding support (19) on the lower surface of the boiler (17).

6. The liquid level gauge with indication function for the boiler according to claim 1, characterized in that: the boiler placing platform (18) comprises supporting legs (10) and a placing plate (12), wherein the supporting legs (10) are arranged on the periphery of the lower surface of the placing plate (12).