CN216247861U - Flue gas moisture content detection device - Google Patents
Flue gas moisture content detection device Download PDFInfo
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- CN216247861U CN216247861U CN202122355015.8U CN202122355015U CN216247861U CN 216247861 U CN216247861 U CN 216247861U CN 202122355015 U CN202122355015 U CN 202122355015U CN 216247861 U CN216247861 U CN 216247861U
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 239000003546 flue gas Substances 0.000 title claims abstract description 40
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000005070 sampling Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 4
- 239000003518 caustics Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 8
- 239000000779 smoke Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model discloses a flue gas moisture content detection device, and belongs to the field of flue gas detection. The method comprises the following steps: a sampling section, a transmission section, and a detection control section; wherein the sampling portion comprises a first protective tube and a moisture content sensor located inside the first protective tube; the transmission part comprises a second protection pipe, the second protection pipe is connected with the first protection pipe through a connecting pipe, and a signal wire of the moisture content sensor penetrates through the second protection pipe; wherein, first protection tube is keeping away from one side tip of second protection tube sets up the air inlet, and the flue gas is followed the air inlet gets into inside and along axial flow of first protection tube, realized moisture content sensor's flue gas collection. The utility model solves the problem that the moisture content sensor is damaged by water drops with corrosive substances in the flue due to unreasonable structure of the existing flue gas moisture content detection device.
Description
Technical Field
The utility model relates to the field of flue gas sampling detection, in particular to a flue gas moisture content detection device.
Background
The device for detecting the moisture content in the flue gas is applied to the testing of parameters such as gas flow velocity, gas flow, dynamic pressure static pressure, flue gas temperature, the moisture content in the flue gas and the like of various exhaust pipelines, the detection mode is a diffusion type detection method, a moisture content sensor is placed at the front end of a sampling pipe, and under the pressure in the flue, the gas is diffused to the surface of the sensor, so that the moisture content in the flue gas is calculated. Place temperature and humidity sensor at the sampling pipe front end, sensor mounted position is whole to be heated, and the measuring environment is equivalent to being in the flue completely with the sensor, so detection accuracy is high. The method is suitable for measuring the parameters (atmospheric pressure, dynamic pressure, static pressure, temperature, flow velocity, mark rod flow and the like) of the exhaust gas of flues and pipelines of various boilers and industrial kilns and the moisture content (extraction type resistance-capacitance method) of the gas in the pipelines.
Because the amount of corrosive gas in the flue is large, water drops with corrosiveness in the flue enter the sensor to damage the sensor, and therefore the mounting structure of the moisture content sensor becomes a key factor influencing the detection precision and the service life of the sensor.
Disclosure of Invention
The utility model aims to solve the technical problem that the moisture content sensor is damaged by water drops in a flue due to the unreasonable structural design of the conventional smoke moisture content detection device.
In order to solve the technical problems, the utility model provides the following technical scheme:
a flue gas moisture content detecting apparatus comprising: a sampling section, a transmission section, and a detection control section; wherein the sampling portion comprises a first protective tube and a moisture content sensor located inside the first protective tube; the transmission part comprises a second protection pipe, the second protection pipe is connected with the first protection pipe through a connecting pipe, and a signal wire of the moisture content sensor penetrates through the second protection pipe; wherein, first protection tube is keeping away from one side tip of second protection tube sets up the air inlet, and the flue gas is followed the air inlet gets into inside and along axial flow of first protection tube, realized moisture content sensor's flue gas collection.
In some embodiments of the present invention, the first protection pipe includes a first sleeve and a second sleeve which are connected by a thread, a first end cap is disposed on a side of the first sleeve away from the second sleeve, and the first end cap is connected to the second protection pipe through a connection pipe; and a second end cover is arranged on one side of the second sleeve far away from the first sleeve, and the second end cover is provided with the air inlet.
In some embodiments of the utility model, the second end cap is spaced from an end of the second sleeve by a set distance.
In some embodiments of the utility model, the first end of the moisture sensor is isolated from and fixedly attached to the first casing by a first insulative mount and the second end of the moisture sensor is isolated from and fixedly attached to the second casing by a second insulative mount.
In some embodiments of the present invention, the moisture sensor further comprises an insulated heating jacket for heating the moisture sensor, the insulated heating jacket surrounding the moisture sensor and spaced from the moisture sensor by a predetermined distance, and having a first end connected to the first insulated mounting block and a second end connected to the second insulated mounting block.
In some embodiments of the present invention, a first mounting through hole is formed in the first insulating mounting seat, a part of a wall surface of the moisture content sensor is inserted into the first mounting through hole, and a limiting structure for limiting a position of the moisture content sensor is disposed between the first insulating mounting seat and the moisture content sensor.
In some embodiments of the present invention, the limiting structure includes a first step surface disposed on the first mounting through hole, and a second step surface disposed on the outer wall of the moisture content sensor, and the first step surface and the second step surface cooperate to limit the moisture content sensor from moving to the outside of the insulating heating sleeve.
In some embodiments of the present invention, the second insulating mounting seat is formed with a receiving chamber with one side open, the moisture content sensor is located in the receiving chamber, an end surface of the second end of the moisture content sensor abuts against a bottom of the receiving chamber, and a vent hole is formed in the bottom of the receiving chamber.
In some embodiments of the utility model, the second insulative mounting block is formed with a projection on a side remote from the moisture sensor, the projection abutting against the second end cap.
In some embodiments of the present invention, a positioning outer edge is disposed on an outer circumferential surface of the first insulating mounting seat, and the positioning outer edge is clamped in a positioning groove formed at a connection end portion of the first sleeve and the second sleeve.
Compared with the prior art, the technical scheme of the utility model has the following technical effects:
in the smoke detection device provided by the utility model, the end part of the first protection pipe of the sampling part is provided with the air inlet, and smoke enters the first protection pipe along the air inlet and flows along the axial direction, so that the smoke sampling of the moisture content sensor is realized. Compare the condition of seting up the air inlet on the pipe wall of first protection pipe in prior art, the water droplet can not be followed the air inlet drippage of the pipe wall of first protection pipe on moisture content sensor, avoids having the water droplet that contains corrosive substance to moisture content sensor's damage.
Drawings
The objects and advantages of the present invention will be understood by the following detailed description of the preferred embodiments of the utility model, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of one embodiment of the flue gas moisture content detection device of the present invention;
FIG. 2 is a schematic structural diagram of a second sleeve of the device for detecting moisture content in flue gas according to an embodiment of the present invention;
FIG. 3 is a schematic view of the connection relationship between the first insulating mount and the moisture sensor in the flue gas moisture content detection apparatus of the present invention;
FIG. 4 is a schematic structural diagram of a first insulating mount of the moisture content in flue gas detecting device according to an embodiment of the present invention;
fig. 5 is a partially enlarged view of a portion a of fig. 1;
fig. 6 is a schematic structural diagram of a second insulating mounting seat in the flue gas moisture content detection device according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 shows a specific embodiment of a flue gas moisture content detection device (hereinafter referred to as a flue gas detection device) provided by the present invention, which is used for detecting the moisture content, flow rate, and the like of flue gas in a flue. The smoke detection device comprises a sampling part extending into a flue, a transmission part used for transmitting sampling gas and sampling signals, and a detection control part used for receiving the sampling gas and the sampling signals. Wherein the transfer section comprises a second protective pipe 30 and the sampling section comprises a moisture content sampling section 10 and a flue gas flow rate sampling section 20. The flue gas flow rate sampling part 20 is a sampling pipe connected to the second protection pipe 30, and the sampling pipe is specifically a pitot pipe. The moisture content sampling portion 10 includes: a first protective pipe 11 connected with the second protective pipe 30 by a connection pipe 40, and a moisture content sensor 12 located inside the first protective pipe 11, wherein a signal line of the moisture content sensor 12 is penetrated inside the second protective pipe 30 and connected to a control unit of the detection control section.
In order to prevent water droplets in the flue from entering the inside of the moisture content sensor 12, an air inlet 11a is provided at one side end of the first protection pipe 11, and the flue gas enters the inside of the first protection pipe 11 along the air inlet 11a and flows in the axial direction. Compared with the prior art that the air inlet 11a is formed in the side face of the first protection pipe 11, water drops cannot drop on the moisture content sensor 12 from the air inlet 11a of the pipe wall of the first protection pipe 11, and damage to the moisture content sensor 12 caused by the water drops containing corrosive substances is avoided.
As shown in fig. 1 and 2, the first protective pipe 11 includes a first sleeve 111 and a second sleeve 112 which are connected by a screw thread, a first end cap 113 is disposed on a side of the first sleeve 111 away from the second sleeve 112, and the first end cap 113 is connected to the second protective pipe 30 by a connecting pipe 40; a second end cover 114 is arranged on one side of the second sleeve 112 far away from the first sleeve 111, and the second end cover 114 is provided with the air inlet 11 a. More specifically, the second end cap 114 is spaced from the end of the second sleeve 112, and since the sampling portion of the smoke detection device is horizontally disposed in the flue during smoke detection, the second end cap 114 is located inside the end of the second sleeve 112, and the second sleeve 112 can isolate water drops outside the first protection pipe 10, further preventing water drops in the flue from flowing into the moisture content sensor 12.
A first end of the moisture sensor 12 is isolated from and fixedly attached to the first casing 111 by a first insulated mounting block 13 and a second end of the moisture sensor 12 is isolated from and fixedly attached to the second casing 112 by a second insulated mounting block 14. In order to avoid the formation of condensed water due to the low temperature of the sampling part because the temperature of the flue gas in the flue is high, an insulating heating sleeve 15 for heating the moisture content sensor 12 is further arranged in the first protection pipe 10, the insulating heating sleeve 15 surrounds the periphery of the moisture content sensor 12 and has a set distance with the moisture content sensor 12, and a first end of the insulating heating sleeve is connected to the first insulating mounting seat 13, and a second end of the insulating heating sleeve is connected to the second insulating mounting seat 14.
In the above flue gas detection device, two ends of the moisture content sensor 12 are mounted in the first protection pipe 11 through the first insulating mounting seat 13 and the second insulating mounting seat 14 to form an insulating isolation with the first protection pipe 11, meanwhile, the moisture content sensor 12 heats the moisture content sensor through the insulating heating sleeve 15, and two ends of the insulating heating sleeve 15 are respectively connected to the first insulating mounting seat 13 and the second insulating mounting seat 14, so that the insulating heating sleeve 15 covers the main body region of the moisture content sensor 12, and thus, the moisture content sensor 12 is integrally located in the insulating space formed by the first insulating mounting seat 13, the second insulating mounting seat 14 and the insulating heating sleeve 15, and the problem of service life reduction caused by electrostatic interference in a flue is avoided.
Specifically, the first insulating mounting seat 13 and the second insulating mounting seat 14 are made of materials such as fluorine glue or high-temperature-resistant silica gel, and the first insulating mounting seat 13 and the second insulating mounting seat 14 made of fluorine glue materials have an insulating effect on one hand, and have good supporting performance and certain deformable quantity on the other hand, so that the first insulating mounting seat 13 and the second insulating mounting seat 14 are convenient to mount and fix in the first protection tube 11; the insulating heating sleeve 15 is made of a ceramic material, and has the characteristics of high heating efficiency and strong antistatic capability.
The following sections will specifically describe how the moisture content sensor 12 and the first insulating mount 13 are mounted and fixed, and the first insulating mount 13 and the first protection pipe 11 are mounted and fixed.
Specifically, the first end of the moisture sensor 12 is the side having the signal line, and the second end of the moisture sensor 12 is the side where the signal is sampled.
As shown in fig. 3 and 4, a first mounting through hole 131 is formed in the first insulating mounting seat 13, and a part of a wall surface of the first end of the moisture sensor 12 is inserted into the first mounting through hole 131 to be in clearance fit therewith.
In order to further limit the axial position of the moisture sensor 12, a limiting structure is provided between the first insulating mount 13 and the moisture sensor 12 for limiting the position of the moisture sensor 12. The problem that the moisture content sensor 12 moves due to an overlarge gap between the moisture content sensor and the first mounting through hole 131 of the first insulation mounting seat 13 can be avoided by arranging the limiting structure.
Specifically, the limiting structure comprises a first step surface 131a arranged on the first mounting through hole 131 and a second step surface 12a arranged on the outer wall of the moisture content sensor 12, and the first step surface 131a and the second step surface 12a cooperate to limit the moisture content sensor 12 from moving to the outside of the insulating heating sleeve 15. The moisture content sensor 12 may be restrained from moving in the direction of its first end by the above-described restraining structure.
Specifically, the outer side wall of the first insulating mount 13 is matched with the inner wall of the first protection pipe 11, in one mode, the first insulating mount 13 and the first protection pipe 11 are in interference fit to achieve installation and fixation of the moisture content sensor 12, and the first insulating mount 13 is installed by interference fit, which is relatively laborious, in the other mode, as shown in fig. 5, the first insulating mount 13 is in clearance fit with the first protection pipe 11, the outer peripheral surface of the first insulating mount 13 is provided with a positioning outer edge 132, and the positioning outer edge 132 is clamped in a positioning groove 11b formed at the connection end portion of the first sleeve 111 and the second sleeve 112. Specifically, an external thread section is formed on the first sleeve 111, an internal thread section is formed on the second sleeve 112, a notch is formed on the inner wall of the second sleeve 112 adjacent to the internal thread section, and after the second sleeve 112 is screwed with the first sleeve 111, a positioning groove 11b for limiting the positioning outer edge 132 of the first insulating mounting seat 13 is formed between the end surface of the first sleeve 111 and the notch of the second sleeve 112.
The manner of fixing the moisture sensor 12 to the second insulative mounting block 14 and the second insulative mounting block 14 to the first protective tube 11 will be described in detail below.
Specifically, as shown in fig. 1 and 6, the second insulating mounting seat 14 is formed into a cylinder with an opening on one side, the moisture sensor 12 is located inside the cylinder, an end surface of a second end of the moisture sensor abuts against a bottom surface of the cylinder, a vent hole 141 is formed in the bottom surface of the cylinder, an outer side wall of the second insulating mounting seat 14 is matched with an inner wall of the first protection tube 11, specifically in a clearance fit, and a bottom wall of the second insulating mounting seat 14 abuts against the second end cover 114, so that the moisture sensor 12 is limited.
More specifically, the second insulative mount 14 is formed with a protrusion 142 on a side thereof remote from the moisture sensor 12, the protrusion 142 abutting against the second end cap 114. The second sleeve 112 is threadably engaged with the first sleeve 111 and the second end cap 114 is secured to the moisture sensor 12 by compressing the second insulated mounting block 14 after installation. Since the threaded connection is a rigid connection, the second end cap 114 is directly contacted with the protrusion 142 by providing the protrusion 142 on the second insulative mounting seat 14, the second insulative mounting seat 14 has certain elasticity, and the thickness of the second end cap 114 acting on the second insulative mounting seat 14 is relatively large, so that the stress applied to the moisture content sensor 12 by the second end cap 114 can be buffered, and the moisture content sensor 12 can be prevented from being damaged.
The following describes a manner of fixing the insulating heating sleeve 15 to the first insulating mount 13 and the second insulating mount 14.
As shown in fig. 4, the first insulating mounting seat 13 is provided with a first clamping edge 133 on an end surface close to the second insulating mounting seat 14, the first clamping edge 133 is shaped like an arc or a circular ring, and the first clamping edge 133 is matched with the outer wall surface of the first end of the insulating heating sleeve 15.
Correspondingly, as shown in fig. 6, the second insulating mounting seat 14 is provided with a second clamping edge 143 on the end surface close to the first insulating mounting seat 13, the second clamping edge 143 is shaped like an arc or a circular ring, and the second clamping edge 143 is matched with the second end outer wall surface of the insulating heating sleeve 15.
The insulating heating sleeve 15 is respectively inserted into the first clamping edge 133 and the second clamping edge 143 to be connected with the first insulating mounting seat 13 and the second insulating mounting seat 14.
The procedure for installing the moisture content sampling section 10 will be specifically described below.
Since the end of the signal line of the moisture sensor 12 is connected with the circuit board, the size of the circuit board is larger than the inner diameters of the second protective pipe 30 and the first protective pipe 11, for this reason, when the moisture sensor 12 is fixedly installed, the moisture sensor 12 needs to be inserted along the end of the second protective pipe 30, the circuit board is located on the outer side of the second protective pipe 30, and the main body part of the moisture sensor 12 enters the first protective pipe 11.
Before installation, the two parts of the first protection pipe 11 are separated, that is, one side of the first sleeve 111 is in an open state, the moisture content sensor 12 is inserted into the second protection pipe 30 along the tail end thereof, the moisture content sensor passes through the connecting pipe 40 and then passes through the opening side of the first sleeve 111, the first insulation mounting seat 13 is sleeved on the moisture content sensor 12, the first insulation mounting seat 13 is inserted into the first sleeve 111, and the positioning outer edge 132 of the first insulation mounting seat 13 abuts against the end part of the first sleeve 111; inserting the insulating heating sleeve 15 into the first clamping edge 133 of the first insulating sleeve; and then, the second insulating mounting seat 14 is clamped to the other side of the insulating heating sleeve 15, and at this time, the second sleeve 112 is sleeved on the outer sides of the second insulating mounting seat 14 and the insulating heating sleeve 15 and is in threaded connection with the first sleeve 111, so that the whole moisture content sampling part 10 is mounted.
The installation fixing mode of the moisture-containing sampling part does not need an additional fastener to assist in installation and fixation, the whole installation process is convenient and rapid, and the assembly efficiency of the detection device is improved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the utility model.
Claims (10)
1. A flue gas moisture content detection apparatus, comprising:
a sampling section, a transmission section, and a detection control section; wherein,
the sampling portion comprises a first protection tube and a moisture content sensor positioned inside the first protection tube;
the transmission part comprises a second protection pipe, the second protection pipe is connected with the first protection pipe through a connecting pipe, and a signal wire of the moisture content sensor penetrates through the second protection pipe;
wherein, first protection tube is keeping away from one side tip of second protection tube sets up the air inlet, and the flue gas is followed the air inlet gets into inside and along axial flow of first protection tube, realized moisture content sensor's flue gas collection.
2. The flue gas moisture content detecting apparatus according to claim 1,
the first protection pipe comprises a first sleeve and a second sleeve which are in threaded connection, a first end cover is arranged on one side, away from the second sleeve, of the first sleeve, and the first end cover is connected with the second protection pipe through a connecting pipe; and a second end cover is arranged on one side of the second sleeve far away from the first sleeve, and the second end cover is provided with the air inlet.
3. The flue gas moisture content sensing apparatus of claim 2 wherein the second end cap is spaced from the end of the second sleeve by a set distance.
4. The flue gas moisture content detection apparatus of claim 2 wherein a first end of the moisture content sensor is isolated from and fixedly attached to the first thimble by a first insulated mount and a second end of the moisture content sensor is isolated from and fixedly attached to the second thimble by a second insulated mount.
5. The flue gas moisture content detecting apparatus according to claim 4, further comprising an insulating heating sleeve for heating the moisture content sensor, wherein the insulating heating sleeve surrounds the moisture content sensor and has a set distance from the moisture content sensor, and has a first end connected to the first insulating mount and a second end connected to the second insulating mount.
6. The flue gas moisture content detection device of claim 5, wherein a first installation through hole is formed in the first insulation installation seat, part of the wall surface of the moisture content sensor is inserted into the first installation through hole, and a limiting structure for limiting the position of the moisture content sensor is arranged between the first insulation installation seat and the moisture content sensor.
7. The flue gas moisture content detection device according to claim 6, wherein the limiting structure comprises a first step surface arranged on the first mounting through hole and a second step surface arranged on the outer wall of the moisture content sensor, and the first step surface and the second step surface cooperate to limit the moisture content sensor from moving to the outside of the insulating heating sleeve.
8. The flue gas moisture content detection device according to claim 4, wherein the second insulating mounting seat is formed with a containing chamber with one side opened, the moisture content sensor is located in the containing chamber, the end face of the second end of the moisture content sensor abuts against the bottom of the containing chamber, and the bottom of the containing chamber is provided with a vent hole.
9. The moisture content sensing device of claim 8, wherein said second insulating mounting block is formed with a protrusion on a side remote from said moisture content sensor, said protrusion abutting said second end cap.
10. The flue gas moisture content detection device of claim 4, wherein the outer peripheral surface of the first insulating mounting seat is provided with a positioning outer edge, and the positioning outer edge is clamped in a positioning groove formed at the connecting end part of the first sleeve and the second sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122355015.8U CN216247861U (en) | 2021-09-28 | 2021-09-28 | Flue gas moisture content detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122355015.8U CN216247861U (en) | 2021-09-28 | 2021-09-28 | Flue gas moisture content detection device |
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| Publication Number | Publication Date |
|---|---|
| CN216247861U true CN216247861U (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122355015.8U Active CN216247861U (en) | 2021-09-28 | 2021-09-28 | Flue gas moisture content detection device |
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| CN (1) | CN216247861U (en) |
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- 2021-09-28 CN CN202122355015.8U patent/CN216247861U/en active Active
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