CN218599694U

CN218599694U - Steam boiler temperature monitoring device

Info

Publication number: CN218599694U
Application number: CN202222546640.5U
Authority: CN
Inventors: 郭天朋; 张德强
Original assignee: Huaxin Holdings Henan Co Ltd
Current assignee: Huaxin Holdings Henan Co Ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-03-10
Anticipated expiration: 2032-09-26

Abstract

The utility model belongs to the technical field of boiler monitoring, specifically a steam boiler temperature monitoring device, last casing and lower casing between can dismantle and be connected, last casing bottom be equipped with the vapor separator, the vapor separator upper end be equipped with steam conduit, lower casing top be equipped with along the circumference interval with vapor separator complex several groups heat transfer pipeline, heat transfer pipeline outside be equipped with the heating fin, lower casing on fixedly connected with be located several groups flame heater in the heat transfer pipeline, several groups the heat transfer pipeline in be equipped with the temperature detection component, lower casing be equipped with the communicating storage water tank of heat transfer pipeline, storage water tank bottom be equipped with water filling pipeline, the storage water pipeline on be equipped with water filling pipeline complex water intaking valve.

Description

Steam boiler temperature monitoring device

Technical Field

The utility model belongs to the technical field of boiler monitoring, specifically a steam boiler temperature monitoring device.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, and the steam, the high-temperature water or the organic heat carrier with certain heat energy is output outwards after conversion by the boiler; the hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator; the boiler for providing hot water is called a hot water boiler and can be used for thermal power stations, ships, locomotives and industrial and mining enterprises.

The existing steam boiler prevents the heat exchange pipe from being dried, the adopted measure is that a water level sensor is arranged for monitoring, because of the existence of water vapor, water drops are generated on the water level sensor, the water level monitoring is inaccurate, the normal operation of the steam boiler can not be normally ensured, the heat exchange pipe is not filled with water for continuous temperature rise, the heating element is easily damaged, and the normal use can not be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steam boiler temperature monitoring device, current steam boiler has been solved, prevent to burn to dry to the heat exchange tube, the measure of adoption is, establish the level sensor monitoring, because the existence of vapor, there is the drop of water on the level sensor, lead to the water level monitoring inaccurate, thereby unable normal operating who guarantees steam boiler, the heat exchange tube does not have injected water and lasts and heaies up, lead to heating element to damage easily, lead to the technical problem of unable normal use.

The utility model discloses the scheme of taking does: a temperature monitoring device for a steam boiler comprises an upper shell, a lower shell, a water-vapor separator, a flame heater and a temperature detection element, and is characterized in that the upper shell and the lower shell are detachably connected, the bottom of the upper shell is provided with the water-vapor separator, the upper end of the water-vapor separator is provided with a steam pipeline, the top of the lower shell is provided with a plurality of groups of heat exchange pipelines matched with the water-vapor separator at intervals along the circumferential direction, the outer part of each heat exchange pipeline is provided with a heating fin, the lower shell is fixedly connected with the flame heater positioned in the plurality of groups of heat exchange pipelines, the plurality of groups of heat exchange pipelines are internally provided with the temperature detection element, the lower shell is provided with a water storage tank communicated with the heat exchange pipelines, the bottom of the water storage tank is provided with a water feeding pipeline, and the water storage tank is provided with a water inlet valve matched with the water feeding pipeline.

Preferably, the lower casing in along circumference interval fixedly connected with and the communicating several sets of backward flow pipeline in the upper casing, lower casing fixedly connected with backward flow pipeline complex flow box, backward flow box one end be equipped with drainage pipe.

Preferably, an adjusting rod is arranged in the heat exchange pipeline, one end of the adjusting rod is welded with the temperature detection element, and the other end of the adjusting rod is detachably connected with the inside of the heat exchange pipeline.

Preferably, the outer side wall of the fired heater is provided with a plurality of groups of flame outlets at intervals along the circumferential direction.

Preferably, the top of the water storage tank is fixedly connected with an auxiliary fixing plate corresponding to the fired heater.

The utility model has the advantages that:

1. the temperature detection element is placed into the heat exchange tube by the adjusting rod, and the lowest water level of the heat exchange tube can be adjusted by the length of the adjusting rod, so that the heat exchange tube and the heating fins are prevented from being damaged;

2. when steam is generated, the water level is lowered, the temperature at the upper end of the heat exchange tube is higher than the temperature at the contact position of the heat exchange tube and water, when the temperature sensor detects that the temperature is abnormal, the water level is proved to reach the water injection position, at the moment, the water inlet valve is started and can be set as a proportional valve, the water inflow is fixed once, finally generated steam is discharged from the steam pipeline, and the device prevents the condition that the water level in the heat exchange tube is inaccurate through the detection of the temperature.

3. The flame heater is started, the water inlet valve is started simultaneously, a certain amount of water is injected into the heat exchange tubes and stops, the flame outlets are located between the heat exchange tubes, flame can be sprayed at three hundred sixty degrees to heat the heating fins, therefore, water in the heat exchange tubes can be heated uniformly to generate steam, the steam is separated from water vapor through the steam separator, dry steam is discharged along the steam pipeline, wet steam passes through one end of the steam separator, is diffused to the inner side wall of the upper shell, slides in the backflow pipeline along the inner side wall and finally enters the backflow tank, and separated water can be treated through the drainage pipeline.

Drawings

Fig. 1 is one of perspective views of the present invention.

Fig. 2 is one of the perspective sectional views of the present invention.

Fig. 3 is a second perspective view of the present invention.

Fig. 4 is a third perspective view of the three-dimensional cross-sectional view of the present invention.

Reference numerals: 1. an upper housing; 2. a lower housing; 3. a water-vapor separator; 4. a fired heater; 5. a temperature detection element; 6. a steam pipe; 7. a heat exchange conduit; 8. heating the fins; 9. a water storage tank; 10. a water feeding pipeline; 11. a water inlet valve; 12. a return line; 13. 14, a return tank, a drainage pipeline; 15. adjusting a rod; 16. a flame outlet; 17. and an auxiliary fixing plate.

Detailed Description

The foregoing and other technical and other features and advantages of the invention will be apparent from the following more particular description of the embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1-4. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

The first embodiment of the invention relates to a temperature monitoring device for a steam boiler, which comprises an upper shell 1, a lower shell 2, a water-vapor separator 3, a flame heater 4 and a temperature detection element 5, and is characterized in that the upper shell 1 and the lower shell 2 are detachably connected, the water-vapor separator 3 is arranged at the bottom of the upper shell 1, a steam pipeline 6 is arranged at the upper end of the water-vapor separator 3, a plurality of groups of heat exchange pipelines 7 matched with the water-vapor separator 3 are circumferentially arranged at the top of the lower shell 2 at intervals, heating fins 8 are arranged outside the heat exchange pipelines 7, the flame heater 4 positioned in the plurality of groups of heat exchange pipelines 7 is fixedly connected to the lower shell 2, the temperature detection element 5 is arranged in the plurality of groups of heat exchange pipelines 7, the lower shell 2 is provided with a water storage tank 9 communicated with the heat exchange pipelines 7, the bottom of the water storage tank 9 is provided with a water feeding pipeline 10, and the water feeding valve 11 matched with the water feeding pipeline 10 is arranged on the water storage tank 9.

In the second embodiment, on the basis of the first embodiment, a plurality of sets of return pipes 12 communicated with the interior of the upper shell 1 are fixedly connected to the interior of the lower shell 2 at intervals along the circumferential direction, the lower shell 2 is fixedly connected with a return box 13 matched with the return pipes 12, and a drainage pipe 14 is arranged at one end of the return box 13.

In the third embodiment, on the basis of the second embodiment, an adjusting rod 15 is arranged in the heat exchange pipeline 7, one end of the adjusting rod 15 is welded with the temperature detection element 5, and the other end of the adjusting rod 15 is detachably connected with the inside of the heat exchange pipeline 7.

In the fourth embodiment, on the basis of the third embodiment, the outer side wall of the fired heater 4 is provided with a plurality of groups of flame outlets 16 at intervals along the circumferential direction.

In the fifth embodiment, on the basis of the fourth embodiment, the top of the water storage tank 9 is fixedly connected with an auxiliary fixing plate 17 corresponding to the flame heater 4.

When the device is used, the flame heater 4 is started, the water inlet valve 11 is started simultaneously, a certain amount of group flame outlets 16 which are stopped are injected into the heat exchange pipelines 7 and are positioned among the groups of heat exchange pipelines 7, flame can be sprayed at three hundred and sixty degrees to heat the heating fins 8, so that water in the heat exchange pipelines 7 can be uniformly heated to generate steam, the steam is separated from water vapor through the steam separator 3, dry steam is discharged along the steam pipeline 6, wet steam is diffused to the inner side wall of the upper shell 1 through one end of the steam separator 3 and slides in the backflow pipeline 12 along the inner side wall, and finally flows into the backflow box 13, the separated water can be treated through the water outlet pipeline 14, if the temperature of the upper shell 1 needs to be controlled, a ventilation opening can be arranged on the upper shell 1, and when the temperature is too high, the air opening is opened, so that the temperature in the upper shell 1 is reduced, the running time is reduced correspondingly to prevent the unexpected situation that the temperature is too high, and the inside of the upper shell is atomized and sprayed;

when the temperature detection element 5 is placed into the heat exchange pipeline 7 through the adjusting rod 15, the water injection position can be selected through the adjusting rod 15, when steam is generated, the water level is lowered, the temperature at the upper end of the heat exchange pipeline 7 is higher than the temperature at the contact position of the heat exchange pipeline 7 and water, when the temperature sensor detects abnormal temperature, the water level reaches the water injection position, at the moment, the water inlet valve 11 is started, the water inlet valve 11 can be set as a proportional valve, the primary water inflow is fixed, finally generated steam is discharged from the steam pipeline 6, the device prevents the condition that the water level in the heat exchange pipeline 7 is inaccurate to detect through the detection of the temperature, meanwhile, the risk of loss of the heat exchange pipeline 7 and the heating fin 8 is reduced, and therefore the technical problem that the conventional steam boiler cannot be normally used due to the fact that the heat exchange pipeline 7 is prevented from being dried up is solved, the water level sensor is adopted to monitor, water drops exist on the water level sensor, the water level sensor cannot be accurately monitored, normal operation of the steam boiler cannot be normally guaranteed, the heat exchange pipeline 7 cannot be continuously heated due to damage of the heating element easily caused by the fact that water is not continuously heated.

The above description is only for the purpose of illustrating the present invention, and it should be understood that the present invention is not limited to the above embodiments, and various modifications conforming to the spirit of the present invention are within the scope of the present invention.

Claims

1. A steam boiler temperature monitoring device comprises an upper shell (1), a lower shell (2), a water-steam separator (3), a flame heater (4) and a temperature detection element (5), and is characterized in that the upper shell (1) and the lower shell (2) are detachably connected, the water-steam separator (3) is arranged at the bottom of the upper shell (1), a steam pipeline (6) is arranged at the upper end of the water-steam separator (3), a plurality of groups of heat exchange pipelines (7) matched with the water-steam separator (3) are arranged at the top of the lower shell (2) along the circumferential direction at intervals, heating fins (8) are arranged outside the heat exchange pipelines (7), the flame heater (4) positioned in the plurality of groups of heat exchange pipelines (7) is fixedly connected onto the lower shell (2), the temperature detection element (5) is arranged in the plurality of groups of heat exchange pipelines (7), a water storage tank (9) communicated with the heat exchange pipelines (7) is arranged on the lower shell (2), a water feeding pipeline (10) is arranged at the bottom of the water storage tank (9), and a water feeding valve (11) matched with the water feeding pipeline (10) is arranged on the water storage tank.

2. A steam boiler temperature monitoring arrangement according to claim 1, characterized in that several sets of return pipes (12) are fixedly connected to the lower casing (2) at circumferential intervals and communicated with the upper casing (1), the lower casing (2) is fixedly connected with a return tank (13) matched with the return pipes (12), and a drain pipe (14) is arranged at one end of the return tank (13).

3. A steam boiler temperature monitoring device according to claim 2, characterized in that an adjusting rod (15) is arranged in the heat exchange pipe (7), one end of the adjusting rod (15) is welded with the temperature detecting element (5), and the other end is detachably connected with the inside of the heat exchange pipe (7).

4. A steam boiler temperature monitoring apparatus according to claim 3, characterized in that the outer side wall of the fired heater (4) is provided with a plurality of sets of flame outlets (16) at circumferentially spaced intervals.

5. A steam boiler temperature monitoring device according to claim 4, characterized in that the top of the water storage tank (9) is fixedly connected with an auxiliary fixing plate (17) corresponding to the fired heater (4).