CN217180800U

CN217180800U - Boiler flue gas detection device

Info

Publication number: CN217180800U
Application number: CN202220106019.4U
Authority: CN
Inventors: 屠永明; 程永灿; 陆利民; 李颉; 李用; 翁晔锋; 全国军; 王桢
Original assignee: Haining Hongbao Thermoelectricity Co ltd
Current assignee: Haining Hongbao Thermoelectricity Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-08-12
Anticipated expiration: 2032-01-14

Abstract

The utility model provides a boiler flue gas detection device belongs to mechanical technical field. This boiler flue gas detection device, including the flue gas detector, a serial communication port, still include the auxiliary tank, air compressor machine and pressure bottle, the input port of auxiliary tank lower part is linked together through induction pipe and flue gas transmission pipe lateral part, solenoid valve one has on the induction pipe, the delivery outlet on auxiliary tank upper portion is linked together through connecting pipe one and air compressor machine one end, solenoid valve two has on the connecting pipe one, the air compressor machine other end communicates through connecting pipe two and pressure bottle, the pressure bottle is linked together through delivery tube and flue gas transmission pipe lateral part, check valve and solenoid valve three have on the delivery tube, the auxiliary tank still links to each other with a cooling structure, the test probe setting of flue gas detector is in output port department, test probe adopts connection of electric lines with the flue gas detector.

Description

Boiler flue gas detection device

Technical Field

The utility model belongs to the technical field of machinery, a detection device, especially a boiler flue gas detection device are related to.

Background

The smoke discharged by the coal-fired power plant contains smoke dust, carbon dioxide, sulfur dioxide, nitrogen oxide and a small amount of carbon monoxide, the smoke dust directly influences the environmental quality of the atmosphere, and the carbon dioxide, the sulfur dioxide, the nitrogen oxide and the like are acid gases and are main factors for forming acid rain, so that the smoke dust is required to be detected before being discharged. The flue gas temperature that discharges after burning is higher in actual production, scalds the damage with the testing probe during the detection easily. Therefore, it is necessary to design a boiler flue gas detection device.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a boiler flue gas detection device, this detection device has excellent in use effect's characteristics.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a boiler flue gas detection device, including the flue gas detector, a serial communication port, still include the auxiliary tank, air compressor machine and pressure bottle, the input port of auxiliary tank lower part is linked together through induction pipe and flue gas transmission pipe lateral part, solenoid valve one has on the induction pipe, the delivery outlet on auxiliary tank upper portion is linked together through connecting pipe one and air compressor machine one end, solenoid valve two has on the connecting pipe one, the air compressor machine other end communicates through connecting pipe two and pressure bottle, the pressure bottle is linked together through delivery tube and flue gas transmission pipe lateral part, check valve and solenoid valve three have on the delivery tube, the auxiliary tank still links to each other with a cooling structure, the test probe setting of flue gas detector is in output port department, test probe adopts electric wire connection with the flue gas detector.

The working principle of the utility model is as follows: the second electromagnetic valve is opened, the air compressor works to pump away gas in the auxiliary box, the air pressure in the auxiliary box is reduced, the first electromagnetic valve is opened, the flue gas in the flue gas transmission pipe enters the auxiliary box, the flue gas is cooled in the auxiliary box by using a cooling structure, and the flue gas passes through the output port to be detected by the detection probe; the flue gas returns to the flue gas transmission pipe from the delivery pipe through the pressure bottle, and the use effect is good.

The cooling structure comprises a cooling cylinder and a water tank, the cooling cylinder is installed in the auxiliary tank, a plurality of guide fins which are arranged in a staggered mode are arranged on the inner side face of the cooling cylinder, a water inlet in the upper portion of the cooling cylinder is communicated with the water tank through a water inlet pipe, a water pump is arranged on the water inlet pipe, and a water return port in the lower portion of the cooling cylinder is communicated with the water tank through a water return pipe.

Structure more than adopting, the water tank supplies water to the cooling cylinder through the water pump, and the heat is taken away in the moisture flow, slows down the flue gas velocity of flow through the water conservancy diversion fin, and the cooling effect is good.

The cooling cylinder and the guide fins are made of aluminum.

The water inlet pipe is also provided with a filter screen.

Still be connected with the removable mounting panel on the delivery outlet, test probe installs on the mounting panel.

Compared with the prior art, this boiler flue gas detection device has this advantage: in the utility model, by opening the second electromagnetic valve, the air in the auxiliary box is pumped away by the air compressor, the air pressure in the auxiliary box is reduced, the first electromagnetic valve is opened, the flue gas in the flue gas transmission pipe enters the auxiliary box, the flue gas is cooled by the cooling structure in the auxiliary box, and the detection probe detects the flue gas when the flue gas passes through the output port; the flue gas returns to the flue gas transmission pipe from the delivery pipe through the pressure bottle, and the use effect is good.

Drawings

Fig. 1 is a schematic plan view of the present invention.

Fig. 2 is a schematic perspective view of the middle water tank of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the middle smoke detector of the present invention.

In the figure, 1, a flue gas conveying pipe; 2. a water tank; 3. filtering with a screen; 4. a water inlet pipe; 5. a water pump; 6. an auxiliary tank; 7. a cooling cylinder; 8. a second electromagnetic valve; 9. detecting a probe; 10. mounting a plate; 11. a first connecting pipe; 12. an air compressor; 13. a second connecting pipe; 14. a pressure bottle; 15. a delivery pipe; 16. a one-way valve; 17. a third electromagnetic valve; 18. a guide fin; 19. an introducing pipe; 20. a first electromagnetic valve; 21. a water return pipe; 22. a smoke detector.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-3, the boiler flue gas detection device comprises a flue gas detector 22, and further comprises an auxiliary tank 6, an air compressor 12 and a pressure bottle 14, wherein an input port at the lower part of the auxiliary tank 6 is communicated with the side part of the flue gas transmission pipe 1 through a leading-in pipe 19, the leading-in pipe 19 is provided with a first electromagnetic valve 20, an output port at the upper part of the auxiliary tank 6 is communicated with one end of the air compressor 12 through a first connecting pipe 11, the first connecting pipe 11 is provided with a second electromagnetic valve 8, the other end of the air compressor 12 is communicated with the pressure bottle 14 through a second connecting pipe 13, the pressure bottle 14 is communicated with the side part of the flue gas transmission pipe 1 through a leading-out pipe 15, the leading-out pipe 15 is provided with a one-way valve 16 and a third electromagnetic valve 17, the auxiliary tank 6 is further connected with a cooling structure, a detection probe 9 of the flue gas detector 22 is arranged at the output port, and the detection probe 9 is connected with the flue gas detector 22 through a wire.

The cooling structure comprises a cooling cylinder 7 and a water tank 2, wherein the cooling cylinder 7 is installed in an auxiliary tank 6, a plurality of guide fins 18 which are arranged in a staggered mode are arranged on the inner side surface of the cooling cylinder 7, a water inlet in the upper portion of the cooling cylinder 7 is communicated with the water tank 2 through a water inlet pipe 4, a water pump 5 is arranged on the water inlet pipe 4, and a lower water return opening of the cooling cylinder 7 is communicated with the water tank 2 through a water return pipe 21.

With the structure, the water tank 2 supplies water to the cooling cylinder 7 through the water pump 5, the water flows to take away heat, the flow velocity of flue gas is reduced through the guide fins 18, and the cooling effect is good.

The material of the cooling cylinder 7 and the guide fins 18 is aluminum.

The inlet pipe 4 is also provided with a filter screen 3.

The output port is also connected with a detachable mounting plate 10, and the detection probe 9 is mounted on the mounting plate 10.

The detection probe 9 is connected with the smoke detector 22 by wires by adopting the prior art.

The working principle of the utility model is as follows: by opening the second electromagnetic valve 8, the air compressor 12 works to pump away gas in the auxiliary box 6, the air pressure in the auxiliary box 6 is reduced, the first electromagnetic valve 20 is opened, the flue gas in the flue gas transmission pipe 1 enters the auxiliary box 6, the flue gas is cooled in the auxiliary box 6 by using a cooling structure, and the detection probe 9 detects the flue gas when the flue gas passes through the output port; the flue gas returns to the flue gas transmission pipe 1 from the delivery pipe 15 through the pressure bottle 14, and the use effect is good.

The above components are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A boiler flue gas detection device comprises a flue gas detector (22), and is characterized by further comprising an auxiliary box (6), an air compressor (12) and a pressure bottle (14), wherein an input port at the lower part of the auxiliary box (6) is communicated with the side part of a flue gas transmission pipe (1) through a leading-in pipe (19), a first electromagnetic valve (20) is arranged on the leading-in pipe (19), an output port at the upper part of the auxiliary box (6) is communicated with one end of the air compressor (12) through a first connecting pipe (11), a second electromagnetic valve (8) is arranged on the first connecting pipe (11), the other end of the air compressor (12) is communicated with the pressure bottle (14) through a second connecting pipe (13), the pressure bottle (14) is communicated with the side part of the flue gas transmission pipe (1) through a leading-out pipe (15), a one-way valve (16) and a third electromagnetic valve (17) are arranged on the leading-out pipe (15), the auxiliary box (6) is further connected with a cooling structure, a detection probe (9) of the flue gas detector (22) is arranged at the output port, the detection probe (9) is connected with the smoke detector (22) by an electric wire.

2. The boiler flue gas detection device according to claim 1, wherein the cooling structure comprises a cooling cylinder (7) and a water tank (2), the cooling cylinder (7) is installed in the auxiliary tank (6), a plurality of guide fins (18) which are arranged in a staggered manner are arranged on the inner side surface of the cooling cylinder (7), a water inlet at the upper part of the cooling cylinder (7) is communicated with the water tank (2) through a water inlet pipe (4), a water pump (5) is arranged on the water inlet pipe (4), and a water return port at the lower part of the cooling cylinder (7) is communicated with the water tank (2) through a water return pipe (21).

3. The boiler flue gas detection device according to claim 2, wherein the material of the cooling cylinder (7) and the guide fins (18) is aluminum.

4. The boiler flue gas detection device according to claim 2, wherein the inlet pipe (4) is further provided with a filter screen (3).

5. The boiler flue gas detection device according to claim 1, wherein a detachable mounting plate (10) is further connected to the output port, and the detection probe (9) is mounted on the mounting plate (10).