CN215297056U

CN215297056U - Online continuous monitoring device of flue gas

Info

Publication number: CN215297056U
Application number: CN202121257973.5U
Authority: CN
Inventors: 宋颖超
Original assignee: Shandong Maoxuan Environmental Protection Technology Co ltd
Current assignee: Shandong Maoxuan Environmental Protection Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-24
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses an online continuous monitoring devices of flue gas, the pipeline comprises a pipeline, the one end of pipeline is equipped with the detection mouth, the inside sampling tube that is equipped with of detection mouth, the sampling tube runs through the detection mouth extends to the inside flue gas detection device that is equipped with of pipeline, the last infrared distance meter that is equipped with of flue gas detection device, the pipeline outside is equipped with adjustment mechanism, adjustment mechanism pass through fixed establishment with sampling tube fixed connection, adjustment mechanism keeps away from the one end of sampling tube is equipped with control panel, the one end of sampling tube is equipped with sweeps the intake pipe, the sampling tube is kept away from the one end that sweeps the intake pipe is equipped with the connecting pipe, the inside solenoid valve that is equipped with of sampling tube. The utility model discloses can monitor different places in the pipeline, and then the numerical value of knowing its inside flue gas of pipeline that can be accurate reduces measuring error, avoids the tradition only to monitoring same place and lead to measured data not to possess convincing power.

Description

Online continuous monitoring device of flue gas

Technical Field

The utility model relates to a flue gas monitoring technology field particularly, relates to an online continuous monitoring devices of flue gas.

Background

The flue gas monitoring refers to the monitoring of the concentration and the total emission amount of gaseous pollutants and particulate matters emitted by an air pollution source, and the emission amounts of sulfur dioxide and carbon dioxide in China are respectively the first place and the second place in the world at present. The main reason for serious pollution of the air quality is an energy structure mainly based on coal, and 70 percent of the Chinese power generation industry is coal-fired power generation. The smoke discharged by the coal-fired power plant contains smoke, carbon dioxide, sulfur dioxide, nitric oxide and a small amount of carbon monoxide, the smoke directly influences the environmental quality of the atmosphere, the carbon dioxide, the sulfur dioxide, the nitric oxide and the like are acid gases and are main factors for forming acid rain, and the emission control of smoke pollutants of the coal-fired power plant firstly needs to carry out the environmental monitoring work of a pollution source, which is the basis and scale of environmental management.

The online continuous monitoring devices of current flue gas discovers when using, and most equipment is all fixed to be set up inside the pipeline, can not adjust it, can only monitor the flue gas numerical value of same place in the pipeline, can not measure the flue gas content of different places in the pipeline, and measuring result does not have persuasion, has certain error, and the accurate numerical value of its inside flue gas of measurement that can not be accurate can exceed standard and discharge, and causes the pollution to external environment.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model is not enough to prior art, the utility model provides an online continuous monitoring device of flue gas, possess and to monitor the different places in the pipeline, and then the numerical value of knowing the inside flue gas of its pipeline that can be accurate, reduce measuring error, avoid the tradition to monitor only same place and lead to measured data not to possess the advantage of convincing, and then the solution can not be adjusted it, can only monitor the flue gas numerical value of same place in the pipeline, can not measure the flue gas content in different places in the pipeline, measuring result does not possess the convincing, there is certain error, the accurate numerical value of its inside flue gas of measurement that can not be accurate, discharge that can exceed standard, and cause the problem of pollution to external environment.

(II) technical scheme

Can monitor the different places in the pipeline for realizing the aforesaid, and then the numerical value of knowing its inside flue gas of pipeline that can be accurate reduces measuring error, avoids the tradition only to monitoring same place and lead to measured data not to possess the advantage of convincing, the utility model discloses a concrete technical scheme as follows:

an on-line continuous monitoring device for flue gas comprises a pipeline, wherein one end of the pipeline is provided with a detection port, a sampling tube is arranged in the detection port, the sampling tube penetrates through the detection port and extends into the pipeline to be provided with a smoke detection device, the smoke detection device is provided with an infrared distance meter which is matched with the inner wall of the pipeline, the outside of the pipeline is provided with an adjusting mechanism which is fixedly connected with the sampling tube through a fixing mechanism, a control panel is arranged at one end of the adjusting mechanism far away from the sampling tube, the control panel is electrically connected with the infrared distance meter, the smoke detection device and the adjusting mechanism, a purging air inlet pipe is arranged at one end of the sampling pipe, a connecting pipe is arranged at one end of the sampling pipe far away from the purging air inlet pipe, the sampling pipe is internally provided with an electromagnetic valve which is positioned between the purging air inlet pipe and the connecting pipe.

Preferably, adjustment mechanism includes that the equidistance sets up the bracing piece in the pipeline outside, the bracing piece is kept away from the fixed connecting plate that is equipped with of one end of pipeline, the fixed electric telescopic handle that is equipped with in middle part of connecting plate.

Preferably, fixed establishment is including setting up at the outside solid fixed ring of sampling tube, gu fixed ring equidistance all around is equipped with fastening screw, fastening screw with gu fixed ring passes through the screw thread and rotates the connection, fastening screw's one end is equipped with the fixed plate, the inside protection pad that is equipped with of fixed plate, the fixed plate with the sampling tube phase-match.

Preferably, the one end equidistance of solid fixed ring is equipped with the connecting rod, gu fixed ring passes through the connecting rod with electric telescopic handle fixed connection.

Preferably, the sampling tube with the pipeline with all be equipped with the sealing washer between the detection mouth.

Preferably, an electric heating wire is arranged inside the smoke detection device and electrically connected with the control panel.

Preferably, the through-hole has been seted up to the side equidistance all around of flue gas detection device, the through-hole with the sampling tube is linked together, the through-hole is inside all to be equipped with the filter screen.

(III) advantageous effects

Compared with the prior art, the utility model provides an online continuous monitoring device of flue gas possesses following beneficial effect:

(1) when the smoke detection device is used for monitoring smoke, the smoke detection device can detect smoke data in the pipeline and further transmit signals to the control panel for real-time display, the smoke detection device is simple and convenient, when the data in different places in the pipeline are required to be detected, the control panel controls the electric telescopic rod to extend, and further drives the sampling tube to transversely move in the pipeline, the infrared distance meter can display the distance between the infrared distance meter and the inner wall of the pipeline on the control panel in real time, and can record and display the data in different places in real time in cooperation with the smoke detection device, so that the observation and the recording are convenient, the sampling tube is provided with a connecting tube which can be connected with external detection equipment through the connecting tube, the secondary detection is carried out through the external equipment, the data detected by the smoke detection device can be compared, and the accuracy of the detected data is further ensured, the device can monitor different places in the pipeline, so that the numerical value of the smoke in the pipeline can be accurately known, the measurement error is reduced, and the problem that the measurement data is not convincing due to the fact that the traditional method only monitors the same place is avoided;

(2) the through holes are arranged on the peripheral side surface of the smoke detection device, so that the detected smoke in the pipeline can conveniently and smoothly enter the smoke detection device and external equipment, and further can detect smoke data, the filter screen can adsorb and filter particulate impurities in the smoke to prevent the particulate impurities from entering the equipment, the detection accuracy of the equipment is influenced on one hand, the service life of the equipment is influenced on the other hand, the sealing ring can increase the sealing property of the sealing ring, the smoke leakage is prevented from polluting the external environment, the external air is prevented from entering the pipeline to influence the accuracy of the data, the particulate impurities are attached to the filter screen and the smoke detection device after the device is used for a period of time, and then the sweeping gas is sent into the device through the sweeping air inlet pipe, so that the adsorbed particulate impurities can be removed, and the detection accuracy and the service life of the equipment are ensured, need not the manual work and take off it and wash, greatly reduced workman's work burden, electric heating wire can carry out the drying to the gas that enters into equipment inside when the inside humidity of pipeline is too big for measured data is more accurate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an online continuous flue gas monitoring device according to an embodiment of the present invention;

fig. 2 is a partial sectional view of a smoke detection device in a smoke on-line continuous monitoring device according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a fixing mechanism in an online continuous monitoring device for flue gas according to an embodiment of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2.

In the figure:

1. a pipeline; 2. a detection port; 3. a support bar; 4. purging an air inlet pipe; 5. a connecting plate; 6. a control panel; 7. an electric telescopic rod; 8. a connecting pipe; 9. a connecting rod; 10. a fixing ring; 11. an electromagnetic valve; 12. a sampling tube; 13. a seal ring; 14. a smoke detection device; 15. an infrared range finder; 16. an electric heating wire; 17. filtering with a screen; 18. a through hole; 19. a fixing plate; 20. fastening screws; 21. and (6) a protective pad.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides an online continuous monitoring devices of flue gas.

Referring to the drawings and the detailed description, as shown in fig. 1-4, an online continuous flue gas monitoring device according to an embodiment of the present invention includes a pipe 1, a detection port 2 is disposed at one end of the pipe 1, a sampling tube 12 is disposed inside the detection port 2, the sampling tube 12 penetrates the detection port 2 and extends into the pipe 1, a flue gas detection device 14 is disposed on the flue gas detection device 14, an infrared distance meter 15 is disposed on the flue gas detection device 14, the infrared distance meter 15 is matched with the inner wall of the pipe 1, an adjusting mechanism is disposed outside the pipe 1, the adjusting mechanism is fixedly connected to the sampling tube 12 through a fixing mechanism, a control panel 6 is disposed at an end of the adjusting mechanism far from the sampling tube 12, and the control panel 6 is electrically connected to the infrared distance meter 15, the flue gas detection device 14 and the adjusting mechanism, a purging air inlet pipe 4 is arranged at one end of the sampling pipe 12, a connecting pipe 8 is arranged at one end of the sampling pipe 12 far away from the purging air inlet pipe 4, the electromagnetic valve 11 is arranged in the sampling tube 12, the electromagnetic valve 11 is positioned between the purging air inlet pipe 4 and the connecting pipe 8, data of different places can be recorded and displayed in real time, observation and recording are convenient, and the sampling tube 12 is provided with a connecting tube 8 which can be connected with external detection equipment through the connecting tube 8, and the detection is carried out again through the external equipment, the data detected by the smoke detection device 14 can be compared, thereby ensuring the accuracy of the detection data, further monitoring different places in the pipeline 1, and then can be accurate know the numerical value of its pipeline 1 inside flue gas, reduce measuring error, avoid the tradition only to monitoring same place and lead to the measured data not to possess convincing power.

Further, adjustment mechanism includes that the equidistance sets up at 1 outside bracing piece 3 of pipeline, bracing piece 3 keeps away from the fixed connecting plate 5 that is equipped with of one end of pipeline 1, the fixed electric telescopic handle 7 that is equipped with in middle part of connecting plate 5 can stretch out and draw back through electric telescopic handle 7, takes sampling tube 12 to remove in 1 inside of pipeline, and then can detect the data in different places.

Further, fixed establishment is including setting up at the outside solid fixed ring 10 of sampling tube 12, gu fixed ring 10 equidistance all around is equipped with fastening screw 20, fastening screw 20 with gu fixed ring 10 passes through the screw thread rotation and connects, fastening screw 20's one end is equipped with fixed plate 19, the inside protection pad 21 that is equipped with of fixed plate 19, fixed plate 19 with sampling tube 12 phase-match increases the stability when fixed to sampling tube 12, and follow-up convenience is dismantled it, is convenient for maintain or change sampling tube 12.

Further, the one end equidistance of solid fixed ring 10 is equipped with connecting rod 9, gu fixed ring 10 passes through connecting rod 9 with electric telescopic handle 7 fixed connection conveniently takes sampling tube 12 to carry out lateral shifting through electric telescopic handle 7 is flexible.

Further, the sampling tube 12 with pipeline 1 with all be equipped with sealing washer 13 between the detection mouth 2, can increase its leakproofness, prevent that the flue gas from leaking and causing the pollution to external environment, still prevent that the outside air from entering into inside pipeline 1, influence the accuracy of data.

Further, inside electric heating wire 16 that is equipped with of flue gas detection device 14, electric heating wire 16 with control panel 6 electric connection can carry out the drying to the gas that enters into inside the equipment when the inside humidity of pipeline 1 is too big for measured data is more accurate.

Further, through-hole 18 has been seted up to side equidistance around flue gas detection device 14, through-hole 18 with sampling tube 12 is linked together, through-hole 18 is inside all to be equipped with filter screen 17, makes things convenient for the inside surveyed flue gas of pipeline 1 to enter into flue gas detection device 14 and external equipment smoothly, and then can detect flue gas data, and its filter screen 17 can adsorb the filtration to the particulate impurity in the flue gas, prevents that it from entering into inside the equipment, influences the degree of accuracy that equipment detected on the one hand, and on the other hand influences the life of equipment.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, when monitoring flue gas, the flue gas detection device 14 can detect flue gas data inside the pipeline 1, and further transmit signals to the control panel 6 for real-time display, which is simple and convenient, when data at different places inside the pipeline 1 needs to be detected, the control panel 6 controls the electric telescopic rod 7 to extend, and further drives the sampling tube 12 to move transversely inside the pipeline 1, and the infrared distance meter 15 displays the distance between the infrared distance meter and the inner wall of the pipeline 1 on the control panel 6 in real time, and can record and display data at different places in real time in cooperation with the flue gas detection device 14, so that observation and recording are convenient, the sampling tube 12 is provided with the connecting tube 8 which can be connected with external detection equipment through the connecting tube 8, and can detect again through external equipment, so as to compare the data detected by the flue gas detection device 14, further ensuring the accuracy of the detection data, further monitoring different places in the pipeline 1, further accurately knowing the value of the smoke in the pipeline 1, reducing the measurement error, avoiding the situation that the traditional method only monitors the same place and the measurement data has no persuasion, arranging the through holes 18 on the peripheral side of the smoke detection device 14, facilitating the smooth entering of the detected smoke in the pipeline 1 into the smoke detection device 14 and external equipment, further detecting the smoke data, enabling the filter screen 17 to adsorb and filter the granular impurities in the smoke, preventing the granular impurities from entering the equipment, on one hand, affecting the detection accuracy of the equipment, on the other hand, affecting the service life of the equipment, increasing the sealing performance of the sealing ring 13, preventing the smoke leakage from polluting the external environment, and preventing the external air from entering the pipeline 1, influence data's accuracy, after using a period, its particulate impurity is attached to filter screen 17 and flue gas detection device 14, send into its inside through sweeping intake pipe 4 through sweeping gas this moment, and then can clear away absorbent particulate impurity, and then guarantee the degree of accuracy and the life that equipment detected, it washs to need not the manual work to take off it, greatly reduced workman's work burden, its solenoid valve 11 is in the open mode when normal use, be in the closed condition when sweeping, avoid gas to enter into inside connecting pipe 8, the effect is swept in the influence, electric heating wire 16 can dry the gas that enters into equipment inside when 1 inside humidity of pipeline is too big, make measured data more accurate.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an online continuous monitoring devices of flue gas, includes pipeline (1), its characterized in that: the one end of pipeline (1) is equipped with detection mouth (2), the inside sampling tube (12) that is equipped with of detection mouth (2), sampling tube (12) run through detection mouth (2) and extend to pipeline (1) inside and be equipped with smoke detection device (14), be equipped with infrared distance meter (15) on smoke detection device (14), infrared distance meter (15) with pipeline (1) inner wall phase-match, pipeline (1) outside is equipped with adjustment mechanism, adjustment mechanism through fixed establishment with sampling tube (12) fixed connection, adjustment mechanism keeps away from the one end of sampling tube (12) is equipped with control panel (6), control panel (6) all with infrared distance meter (15), smoke detection device (14) and adjustment mechanism electric connection, the one end of sampling tube (12) is equipped with sweeps intake pipe (4), sampling tube (12) are kept away from the one end that sweeps intake pipe (4) is equipped with connecting pipe (8), sampling tube (12) inside is equipped with solenoid valve (11), solenoid valve (11) are located sweep intake pipe (4) with between connecting pipe (8).

2. The on-line continuous monitoring device for the flue gas as claimed in claim 1, wherein: adjustment mechanism includes that the equidistance sets up bracing piece (3) in pipeline (1) outside, bracing piece (3) are kept away from the fixed connecting plate (5) that is equipped with of one end of pipeline (1), the fixed electric telescopic handle (7) that is equipped with in middle part of connecting plate (5).

3. The on-line continuous monitoring device for the flue gas as claimed in claim 2, wherein: fixed establishment is including setting up at outside solid fixed ring (10) of sampling tube (12), gu fixed ring (10) equidistance all around is equipped with fastening screw (20), fastening screw (20) with gu fixed ring (10) rotate through the screw thread and connect, the one end of fastening screw (20) is equipped with fixed plate (19), fixed plate (19) inside is equipped with protection pad (21), fixed plate (19) with sampling tube (12) phase-match.

4. The on-line continuous monitoring device for the flue gas as claimed in claim 3, wherein: the one end equidistance of solid fixed ring (10) is equipped with connecting rod (9), gu fixed ring (10) pass through connecting rod (9) with electric telescopic handle (7) fixed connection.

5. The on-line continuous monitoring device for the flue gas as claimed in claim 1, wherein: sampling tube (12) with pipeline (1) with all be equipped with sealing washer (13) between detecting mouth (2).

6. The on-line continuous monitoring device for the flue gas as claimed in claim 1, wherein: an electric heating wire (16) is arranged inside the smoke detection device (14), and the electric heating wire (16) is electrically connected with the control panel (6).

7. The on-line continuous monitoring device for the flue gas as claimed in claim 1, wherein: through-hole (18) have been seted up to side equidistance all around of flue gas detection device (14), through-hole (18) with sampling tube (12) are linked together, through-hole (18) inside all is equipped with filter screen (17).