CN212904633U - Smoke humidity detector under medium-high temperature environment - Google Patents
Smoke humidity detector under medium-high temperature environment Download PDFInfo
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- CN212904633U CN212904633U CN202021866437.0U CN202021866437U CN212904633U CN 212904633 U CN212904633 U CN 212904633U CN 202021866437 U CN202021866437 U CN 202021866437U CN 212904633 U CN212904633 U CN 212904633U
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Abstract
The application discloses a flue gas humidity detector in a medium-high temperature environment, which comprises a connecting pipe, a sealing mechanism and a detecting mechanism, wherein the connecting pipe is connected with a pipeline; the sealing mechanism comprises a limiting shaft, a guide shaft, a fixing plate, a sealing ring and a bolt, wherein the limiting shaft and the guide shaft are fixedly connected with the inner wall of the connecting pipe, and the surface of the fixing plate is fixedly connected with the sealing ring; the detection mechanism comprises an end cover, a pipe body, a connecting shaft, a zirconia pipe and an outer sheath, wherein the end cover is fixedly connected with one end of the pipe body, the outer sheath is fixedly sleeved on the surface of the zirconia pipe, and a through hole is formed in the surface of the outer sheath. The installation structure is beneficial to stable installation of the zirconia sensor by arranging the limiting shaft and the guide shaft, and the sealing ring is arranged to realize effective sealing of the joint, so that the problem of leakage caused by smoke transmission is avoided; the fixing plate is convenient to mount and fix with the zirconia sensor, the outer sheath is arranged to protect the surface of the zirconia tube, and the problem that the surface of the zirconia sensor is damaged when the zirconia tube is mounted is avoided.
Description
Technical Field
The application relates to a flue gas humidity detector, in particular to a flue gas humidity detector in a medium-high temperature environment.
Background
The flue gas emission of various combustors, industrial and commercial boilers causes serious atmospheric pollution, the monitoring of toxic and harmful gases in the flue gas is an important aspect of environmental protection work, and an online continuous flue gas monitoring system is developed, which usually carries out quantitative calculation on pollutants in the flue gas based on the condition of dry flue gas, but the flue gas emitted by industry is not ideal dry flue gas and always contains certain moisture, therefore, the flue gas humidity becomes a necessary measurement factor in monitoring the flue gas pollution source, the measurement accuracy is directly related to the pollutant emission total amount, concentration calculation and the efficiency evaluation of a flue gas purification system, the flue gas humidity detection is an important index in the current environment monitoring process, and the current domestic and world measurement method for monitoring the humidity in the flue gas adopts a capacitance humidity sensor method, and the capacitance humidity sensor is manufactured into a probe form to be inserted into a flue to measure the flue gas humidity.
The capacitance humidity sensor can only be used in an environment below 100 degrees at present, the capacitance sensor is damaged in an environment higher than 100 degrees, a zirconia semiconductor ceramic sensor is used as a detection period, the zirconia sensor can work in an environment from normal temperature to 900 degrees, the problem of measuring the humidity of smoke in a high-temperature environment is well solved, the detection accuracy of the zirconia sensor is easily reduced due to poor sealing performance during installation, and effective installation is not easy to carry out. Therefore, a smoke humidity detector under the medium-high temperature environment is provided aiming at the problems.
Disclosure of Invention
A flue gas humidity detector in a medium-high temperature environment comprises a connecting pipe, a sealing mechanism and a detecting mechanism, wherein the connecting pipe is connected with a pipeline;
the sealing mechanism comprises a limiting shaft, a guide shaft, a fixing plate, a sealing ring and a bolt, wherein the limiting shaft and the guide shaft are fixedly connected with the inner wall of a connecting pipe, the top end of the connecting pipe is fixedly connected with the fixing plate, the surface of the fixing plate is fixedly connected with the sealing ring, the fixing plate is in threaded connection with the bolt, and the end part of the bolt is in threaded connection with a nut;
the detection mechanism comprises an end cover, a pipe body, a connecting shaft, a zirconia pipe and an outer sheath, wherein the end cover is in penetrating connection with a bolt, the end cover is fixedly connected with one end of the pipe body, the other end of the pipe body is fixedly connected with the connecting shaft, the connecting shaft is fixedly connected with the zirconia pipe, the outer sheath is fixedly sleeved on the surface of the zirconia pipe, and a through hole is formed in the surface of the outer sheath.
Furthermore, the interior of the connecting pipe is inserted into the outer sheath in a penetrating mode, the connecting pipe is distributed in an inclined mode and communicated with the pipeline, the end portion of the pipeline is fixedly connected with the connecting flange, and the inner wall of the pipeline is obliquely provided with an inclined plate.
Furthermore, the limiting shaft and the guide shaft are both of circular ring structures, and the limiting shaft and the guide shaft are respectively inserted into the outer sheath and the pipe body in a penetrating mode.
Furthermore, the fixed plate is located the connecting pipe outer wall, fixed flange edge evenly distributed has six bolts, every the bolt all runs through with the sealing washer and pegs graft, just the nut contact of bolt tip has the end cover surface.
Further, the end cover is connected with the surface of the sealing ring in a sticking mode, the pipe body at the bottom of the end cover extends into the connecting pipe, the pipe body is distributed in an inclined mode, and the inclination of the pipe body is the same as that of the inclined plate.
Furthermore, the pipe diameter of the outer sheath is smaller than that of the pipe body, and a plurality of through holes are uniformly distributed on the surface of the outer sheath.
The beneficial effect of this application is: the application provides a flue gas humidity detector under medium and high temperature environment easy to assemble.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic overall front view of an embodiment of the present application;
fig. 2 is a schematic structural diagram of a tube in front view according to an embodiment of the present disclosure;
fig. 3 is a schematic bottom view of a connecting pipe according to an embodiment of the present application.
In the figure: 1. the pipeline, 2, connecting pipe, 3, connecting flange, 4, swash plate, 5, spacing axle, 6, guiding axle, 7, fixed plate, 8, sealing washer, 9, bolt, 10, nut, 11, end cover, 12, body, 13, connecting axle, 14, zirconia pipe, 15, oversheath, 16, through-hole.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-3, a flue gas humidity detector in a medium-high temperature environment includes a connecting pipe 2 connected to a pipe 1, a sealing mechanism and a detecting mechanism;
the sealing mechanism comprises a limiting shaft 5, a guide shaft 6, a fixing plate 7, a sealing ring 8 and a bolt 9, wherein the limiting shaft 5 and the guide shaft 6 are fixedly connected with the inner wall of the connecting pipe 2, the top end of the connecting pipe 2 is fixedly connected with the fixing plate 7, the surface of the fixing plate 7 is fixedly connected with the sealing ring 8, the fixing plate 7 is in threaded connection with the bolt 9, and the end part of the bolt 9 is in threaded connection with a nut 10;
the detection mechanism comprises an end cover 11, a pipe body 12, a connecting shaft 13, a zirconia pipe 14 and an outer sheath 15, wherein the end cover 11 is in penetrating connection with a bolt 9, the end cover 11 is fixedly connected with one end of the pipe body 12, the other end of the pipe body 12 is fixedly connected with the connecting shaft 13, the connecting shaft 13 is fixedly connected with the zirconia pipe 14, the outer sheath 15 is fixedly sleeved on the surface of the zirconia pipe 14, and a through hole 16 is formed in the surface of the outer sheath 15.
The inner part of the connecting pipe 2 is inserted into the outer sheath 15 in a penetrating manner, the connecting pipe 2 is distributed in an inclined manner and is communicated with the pipeline 1, the end part of the pipeline 1 is fixedly connected with the connecting flange 3, and the inner wall of the pipeline 1 is obliquely provided with an inclined plate 4; the limiting shaft 5 and the guide shaft 6 are both in circular ring structures, and the insides of the limiting shaft 5 and the guide shaft 6 are respectively inserted with the outer sheath 15 and the pipe body 12 in a penetrating manner; the fixing plate 7 is positioned on the outer wall of the connecting pipe 2, six bolts 9 are uniformly distributed on the edge of the fixing plate 7, each bolt 9 is inserted into a sealing ring 8 in a penetrating manner, and a nut 10 at the end part of each bolt 9 is in contact with the surface of an end cover 11; the end cover 11 is connected with the surface of the sealing ring 8 in a bonding manner, a pipe body 12 at the bottom of the end cover 11 extends into the connecting pipe 2, the pipe body 12 is distributed in an inclined manner, and the inclination of the pipe body 12 is the same as that of the inclined plate 4; the pipe diameter of the outer sheath 15 is smaller than that of the pipe body 12, and a plurality of through holes 16 are uniformly distributed on the surface of the outer sheath 15.
When the device is used, electrical components appearing in the device are externally connected with a power supply and a control switch when the device is used, two ends of a pipeline 1 are respectively connected through a connecting flange 3, a zirconium oxide sensor is inserted into a connecting pipe 2, the limitation of the zirconium oxide sensor is realized through a limiting shaft 5 and a guide shaft 6, the stable connection is realized, an end cover 11 at the end part of a pipe body 12 is attached to the surface of a sealing ring 8, a bolt 9 penetrates through a fixing plate 7, the sealing ring 8 and the end cover 11, a nut 10 is screwed down, the effective sealing of the joint of the end cover 11 and the fixing plate 7 is realized, the positioning of an outer sheath 15 is realized through the limiting shaft 5 at the moment, the stability during the connection is improved, when the smoke emission is realized inside the pipeline 1, the smoke is fully contacted with a high-oxide pipe through arranging an inclined plate 4, the outer sheath 15 is arranged to protect the surface of the zirconium oxide pipe 14, and, the through hole 16 is arranged to realize the contact between the zirconia tube 14 and the air, the sample gas such as the air is introduced into the zirconia tube 14 to realize the detection of the flue gas humidity,
the application has the advantages that:
1. the installation structure is beneficial to stable installation of the zirconia sensor by arranging the limiting shaft and the guide shaft, and the sealing ring is arranged to realize effective sealing of the joint, so that the problem of leakage caused during flue gas transmission is avoided, and the sealing performance is improved;
2. this application is installed fixedly through being provided with the fixed plate convenience and zirconia sensor, is provided with the protection that the oversheath can realize zirconia pipe surface, avoids causing the problem of zirconia sensor surface damage when the installation.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (6)
1. The utility model provides a flue gas humidity detector under well high temperature environment which characterized in that: comprises a connecting pipe (2) connected with a pipeline (1), a sealing mechanism and a detection mechanism;
the sealing mechanism comprises a limiting shaft (5), a guide shaft (6), a fixing plate (7), a sealing ring (8) and a bolt (9), wherein the limiting shaft (5) and the guide shaft (6) are fixedly connected with the inner wall of the connecting pipe (2), the top end of the connecting pipe (2) is fixedly connected with the fixing plate (7), the surface of the fixing plate (7) is fixedly connected with the sealing ring (8), the fixing plate (7) is in threaded connection with the bolt (9), and the end part of the bolt (9) is in threaded connection with a nut (10);
detection mechanism includes end cover (11), body (12), connecting axle (13), zirconia pipe (14) and oversheath (15), end cover (11) and bolt (9) through connection, end cover (11) and body (12) one end fixed connection, another tip and connecting axle (13) fixed connection of body (12), just connecting axle (13) and zirconia pipe (14) fixed connection, the outer sheath (15) have been cup jointed to zirconia pipe (14) surface, through-hole (16) have been seted up on outer sheath (15) surface.
2. The smoke humidity detector under the medium-high temperature environment according to claim 1, characterized in that: the connecting pipe (2) is internally penetrated and spliced with the outer sheath (15), the connecting pipe (2) is distributed in an inclined manner and is communicated with the pipeline (1), the end part of the pipeline (1) is fixedly connected with the connecting flange (3), and the inclined plate (4) is obliquely arranged on the inner wall of the pipeline (1).
3. The smoke humidity detector under the medium-high temperature environment according to claim 1, characterized in that: the limiting shaft (5) and the guide shaft (6) are both of circular ring structures, and the limiting shaft (5) and the guide shaft (6) are respectively inserted into the outer sheath (15) and the pipe body (12) in a penetrating mode.
4. The smoke humidity detector under the medium-high temperature environment according to claim 1, characterized in that: the fixed plate (7) is located the outer wall of the connecting pipe (2), six bolts (9) are evenly distributed on the edge of the fixed plate (7), each bolt (9) penetrates through the sealing ring (8) to be inserted, and the nut (10) at the end part of each bolt (9) is contacted with the surface of the end cover (11).
5. The smoke humidity detector under the medium-high temperature environment according to claim 1, characterized in that: the end cover (11) is connected with the surface of the sealing ring (8) in a sticking mode, a pipe body (12) at the bottom of the end cover (11) extends to the inside of the connecting pipe (2), the pipe body (12) is distributed in an inclined mode, and the inclination of the pipe body (12) is the same as that of the inclined plate (4).
6. The smoke humidity detector under the medium-high temperature environment according to claim 1, characterized in that: the pipe diameter of the outer sheath (15) is smaller than that of the pipe body (12), and a plurality of through holes (16) are uniformly distributed on the surface of the outer sheath (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021866437.0U CN212904633U (en) | 2020-08-31 | 2020-08-31 | Smoke humidity detector under medium-high temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021866437.0U CN212904633U (en) | 2020-08-31 | 2020-08-31 | Smoke humidity detector under medium-high temperature environment |
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| Publication Number | Publication Date |
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| CN212904633U true CN212904633U (en) | 2021-04-06 |
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| CN202021866437.0U Active CN212904633U (en) | 2020-08-31 | 2020-08-31 | Smoke humidity detector under medium-high temperature environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114636735A (en) * | 2021-11-10 | 2022-06-17 | 国能南京电力试验研究有限公司 | High wet flue gas humidity survey of ultralow emission of thermal power plant surveys rifle |
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2020
- 2020-08-31 CN CN202021866437.0U patent/CN212904633U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114636735A (en) * | 2021-11-10 | 2022-06-17 | 国能南京电力试验研究有限公司 | High wet flue gas humidity survey of ultralow emission of thermal power plant surveys rifle |
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