CN220625342U - Flue gas temperature and pressure flow measuring device - Google Patents
Flue gas temperature and pressure flow measuring device Download PDFInfo
- Publication number
- CN220625342U CN220625342U CN202322384050.1U CN202322384050U CN220625342U CN 220625342 U CN220625342 U CN 220625342U CN 202322384050 U CN202322384050 U CN 202322384050U CN 220625342 U CN220625342 U CN 220625342U
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- Prior art keywords
- pressure flow
- flue gas
- mounting
- pipe
- gas temperature
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000003546 flue gas Substances 0.000 title claims abstract description 30
- 238000005259 measurement Methods 0.000 claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 238000007790 scraping Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 25
- 239000012535 impurity Substances 0.000 abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 7
- 238000007664 blowing Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 230000003068 static effect Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000738 capillary electrophoresis-mass spectrometry Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Abstract
The utility model discloses a flue gas temperature and pressure flow measuring device, which relates to the technical field of flue gas measurement and adopts the technical scheme that: the device comprises a temperature and pressure flow measuring instrument, wherein one side of the temperature and pressure flow measuring instrument is fixedly connected with a mounting pipe, one end of the mounting pipe is fixedly connected with a pitot tube, and a pipe orifice cleaning mechanism is arranged outside the mounting pipe; the pipe orifice cleaning mechanism comprises a mounting sleeve, the mounting sleeve is sleeved outside the mounting pipe, two sliding grooves are formed in the outer portion of the mounting sleeve, and the flue gas temperature and pressure flow measuring device has the beneficial effects that: the connecting plate linearly moves back and forth through the cooperation of the sliding block and the reciprocating screw rod, the lug drives the annular plate to move when the connecting plate moves, the annular plate moves to drive the connecting rod to move, and the connecting rod moves to drive the rectangular scraping plate to scrape the combination of impurities and water at the orifice of the pitot tube, so that the combination of the impurities and the water at the orifice of the pitot tube is prevented from entering the pitot tube during the next measurement, and the guarantee is provided for the next measurement.
Description
Technical Field
The utility model relates to the technical field of flue gas measurement, in particular to a flue gas temperature, pressure and flow measurement device.
Background
The temperature-pressure flow analyzer is a new generation on-line monitoring instrument, can continuously monitor the gas flow rate, pressure and temperature in the pipeline for a long time under severe environments such as wind, rain, thunder, dust, high and low temperature and the like by utilizing the pitot tube principle, and is a key parameter for calculating the total pollutant emission in a fixed pollution source smoke emission continuous monitoring system (CEMS).
For example, publication No.: the utility model discloses a novel temperature and pressure flow monitoring analyzer, which belongs to the technical field of flue gas measurement and comprises a mounting plate, a mounting pipe, a mounting seat, a mounting shell, a pitot tube structure, a static pressure detection pipe, a total pressure detection pipe, a pressure detector, an air pump, an air storage tank, a pressure sensor, a back blowing pipe, a secondary pipe and an electromagnetic valve. According to the utility model, the static pressure and the total pressure in the pipeline are transmitted to the pressure sensor through the static pressure detection pipe and the dynamic pressure detection pipe for detection through the pitot tube structure, the flow rate of the gas in the pipeline is calculated by utilizing a formula in the controller by utilizing the static pressure and the total pressure, the gas storage is carried out in the gas storage tank by utilizing the air pump, after the analysis instrument monitors for a period of time, the electromagnetic valve is opened, and then the compressed gas in the gas storage tank is reversely blown to the static pressure detection pipe, the total pressure detection pipe and the pitot tube structure through the reverse blowing pipe and the two pipes, so that the phenomenon that particles in the pipeline block the pitot tube structure is avoided.
In the above patent, when the pitot tube structure stretches into the flue gas pipeline to perform warm-pressure flow measurement, although particle impurities and condensed water can be blown out of the pitot tube through back blowing, the mouth of the pitot tube is perpendicular to the direction of flue gas flow, and the reversely blown impurities and water are easy to paste at the mouth of the pitot tube, so that the impurities and the water easily enter the pitot tube in a larger volume during the next warm-pressure flow measurement, and the accuracy of the next measurement is influenced.
Disclosure of Invention
Therefore, the utility model provides a flue gas temperature and pressure flow measuring device, which solves the problem that a mixture of impurities and water in a pitot tube is easy to paste at the pipe orifice of the pitot tube when the mixture is blown out by back blowing through a pipe orifice cleaning mechanism.
In order to achieve the above object, the present utility model provides the following technical solutions: the flue gas temperature and pressure flow measuring device comprises a temperature and pressure flow measuring instrument, wherein one side of the temperature and pressure flow measuring instrument is fixedly connected with a mounting pipe, one end of the mounting pipe is fixedly connected with a pitot tube, and a pipe orifice cleaning mechanism is arranged outside the mounting pipe;
the pipe orifice cleaning mechanism comprises a mounting sleeve, the mounting sleeve is sleeved outside a mounting pipe, two sliding grooves are formed in the outer portion of the mounting sleeve, a plurality of sealing holes are formed in one side of the mounting sleeve, a driving assembly is arranged at the top of the mounting sleeve, an annular plate is arranged inside the mounting sleeve, two protruding blocks are fixedly arranged on the outer portion of the annular plate, a plurality of connecting rods are fixedly connected to one side of the annular plate, a supporting ring is sleeved outside the connecting rods, and a plurality of rectangular scraping plates are fixedly connected to one ends of the connecting rods.
Preferably, the installation sleeve is fixedly sleeved outside the installation tube, the installation sleeve is fixedly connected with the temperature and pressure flow measuring instrument, and an installation flange is fixedly arranged outside the installation sleeve.
Preferably, the driving assembly comprises a motor, the motor is fixedly arranged at the top of the mounting sleeve, the output end of the motor is fixedly connected with a reciprocating screw rod, a sliding block is sleeved outside the reciprocating screw rod, connecting plates are fixedly arranged on two sides of the sliding block, and the two connecting plates are respectively and fixedly connected with the two convex blocks.
Preferably, a fixed block is arranged at one end of the reciprocating screw rod, the reciprocating screw rod is connected with the fixed block through threads, the fixed block is fixedly arranged at the top of the mounting sleeve, and the reciprocating screw rod is connected with the sliding block through a ball screw pair.
Preferably, the two protruding blocks penetrate through the two sliding grooves respectively and are connected with the two sliding grooves in a sliding manner.
Preferably, the annular plate is arranged inside the installation sleeve and is in sliding connection with the installation sleeve, and the annular plate is sleeved outside the installation tube and is in sliding connection with the installation tube.
Preferably, the plurality of connecting rods penetrate through the plurality of sealing holes respectively, sealing rings are fixedly arranged in the plurality of sealing holes, and the plurality of connecting rods are connected with the plurality of sealing rings in a sliding mode respectively.
Preferably, a plurality of connecting rods penetrate through the supporting ring and are in sliding connection with the supporting ring, and the supporting ring is fixedly arranged outside the mounting tube.
The embodiment of the utility model has the following advantages:
1. the connecting plate linearly moves back and forth through the cooperation of the sliding block and the reciprocating screw rod, the lug drives the annular plate to move when the connecting plate moves, the annular plate moves to drive the connecting rod to move, and the connecting rod moves to drive the rectangular scraping plate to scrape the combination of impurities and water at the orifice of the pitot tube, so that the combination of the impurities and the water at the orifice of the pitot tube is prevented from entering the pitot tube during the next measurement, and the guarantee is provided for the next measurement;
2. make the connecting rod can remove through the sealing hole, prevent simultaneously that the flue gas from getting into inside the installation cover through the sealing hole, and then prevent that the flue gas from leaking from the spout of installation cover side, the auxiliary stay of connecting rod through holding ring simultaneously prevents that the connecting rod from appearing shaking when removing for the connecting rod can be stable strike off the operation to the pitot tube mouth of pipe.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.
FIG. 1 is a schematic view of the overall structure provided by the present utility model;
FIG. 2 is a perspective view of the connection relationship at the pipe orifice cleaning mechanism provided by the utility model;
FIG. 3 is an exploded perspective view of the nozzle cleaning mechanism provided by the present utility model;
fig. 4 is a partially cut-away perspective view of a nozzle cleaning mechanism provided by the present utility model.
In the figure: the device comprises a temperature and pressure flow measuring instrument 1, a mounting tube 2, a pitot tube 3, a mounting sleeve 4, a sliding groove 5, a sealing hole 6, a mounting flange 7, a motor 8, a reciprocating screw rod 9, a fixing block 10, a sliding block 11, a connecting plate 12, a convex block 13, an annular plate 14, a connecting rod 15, a rectangular scraping plate 16 and a supporting ring 17.
Detailed Description
Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the flue gas temperature and pressure flow measuring device provided by the utility model comprises a temperature and pressure flow measuring instrument 1, wherein one side of the temperature and pressure flow measuring instrument 1 is fixedly connected with a mounting pipe 2, one end of the mounting pipe 2 is fixedly connected with a pitot tube 3, and a pipe orifice cleaning mechanism is arranged outside the mounting pipe 2;
the pipe orifice cleaning mechanism comprises a mounting sleeve 4, wherein the mounting sleeve 4 is sleeved outside a mounting pipe 2, two sliding grooves 5 are formed in the outer part of the mounting sleeve 4, a plurality of sealing holes 6 are formed in one side of the mounting sleeve 4, a driving assembly is arranged at the top of the mounting sleeve 4, an annular plate 14 is arranged in the mounting sleeve 4, two protruding blocks 13 are fixedly arranged outside the annular plate 14, a plurality of connecting rods 15 are fixedly connected to one side of the annular plate 14, a supporting ring 17 is sleeved outside the plurality of connecting rods 15, and one ends of the plurality of connecting rods 15 are fixedly connected with rectangular scraping plates 16;
in this embodiment, in order to achieve the purpose of cleaning the impurity at the pipe orifice of the pitot tube 3, when the pitot tube 3 blows out the sucked flue gas impurity and condensed water in a back-blowing manner, part of the impurity and water combination is stuck at the pipe orifice of the pitot tube 3, the sliding block 11 linearly reciprocates along the reciprocating screw rod 9 through the driving component, the sliding block 11 moves through the connecting plate 12 to enable the lug 13 to drive the annular plate 14 to move, the annular plate 14 moves to drive the connecting rod 15 to move, and the connecting rod 15 moves to drive the rectangular scraper 16 to scrape the impurity and water combination at the pipe orifice of the pitot tube 3, so that the impurity and water combination at the pipe orifice of the pitot tube 3 is prevented from entering the pitot tube 3 in the next measurement, and the guarantee is provided for the next measurement;
in order to achieve the purpose of linear reciprocating movement of the sliding block 11, the device is realized by adopting the following technical scheme: the installation sleeve 4 is fixedly sleeved outside the installation tube 2, the installation sleeve 4 is fixedly connected with the warm-pressing flow measuring instrument 1, an installation flange 7 is fixedly arranged outside the installation sleeve 4, the driving assembly comprises a motor 8, the motor 8 is fixedly arranged at the top of the installation sleeve 4, the output end of the motor 8 is fixedly connected with a reciprocating screw rod 9, a sliding block 11 is sleeved outside the reciprocating screw rod 9, connecting plates 12 are fixedly arranged on two sides of the sliding block 11, two connecting plates 12 are respectively fixedly connected with two protruding blocks 13, one end of the reciprocating screw rod 9 is provided with a fixed block 10, the reciprocating screw rod 9 is connected with the fixed block 10 through threads, the fixed block 10 is fixedly arranged at the top of the installation sleeve 4, the reciprocating screw rod 9 is connected with the sliding block 11 through a ball screw pair, the motor 8 is started to rotate, the sliding block 11 linearly reciprocates along the reciprocating screw rod 9 through the external track of the reciprocating screw rod 9, and the sliding block 11 moves to drive the connecting plates 12 (the reciprocating screw rod is a screw rod which can realize reciprocating movement of the sliding block without changing the rotation direction of a main shaft);
in order to achieve the purpose of preventing smoke leakage, the device is realized by adopting the following technical scheme: two lugs 13 run through two spouts 5 respectively and with two spouts 5 sliding connection, annular slab 14 locates inside the installation cover 4 and with installation cover 4 sliding connection, annular slab 14 cover is located the installation pipe 2 outside and with installation pipe 2 sliding connection, a plurality of connecting rods 15 run through a plurality of sealing holes 6 respectively, the inside all fixed sealing washer that is equipped with of a plurality of sealing holes 6, a plurality of connecting rods 15 respectively with a plurality of sealing washer sliding connection, a plurality of connecting rods 15 run through support ring 17 and with support ring 17 sliding connection, support ring 17 is fixed to be located the installation pipe 2 outside, make connecting rods 15 can remove through sealing hole 6, simultaneously prevent that the flue gas from getting into inside the installation cover 4 through sealing hole 6, and then prevent that the flue gas from letting out from spout 5 of installation cover 4 side, simultaneously connecting rods 15 pass through the auxiliary support of support ring 17, prevent that connecting rods 15 from appearing the shake when moving for connecting rods 15 can be stable strike off the operation to pitot tube 3 mouth of pipe.
The application process of the utility model is as follows: when the device is used, the device is connected with an external power supply, the device is arranged on a flue gas pipeline through the mounting flange 7, the mounting pipe 2 and the mounting sleeve 4 play a supporting and protecting role on the pitot tube 3, the pitot tube 3 is prevented from swinging when being impacted by flue gas flow, so that the temperature and pressure flow inside the flue gas pipeline can be measured stably, when the pitot tube 3 blows out sucked flue gas impurities and condensed water in a back blowing mode, part of the impurities and water combination paste is arranged at the pipe orifice of the pitot tube 3, the motor 8 is started to rotate, the motor 8 rotates, the sliding block 11 moves linearly and reciprocally along the reciprocating screw rod 9 through the track outside of the reciprocating screw rod 9, the sliding block 11 moves to drive the annular plate 14 through the connecting plate 12, the annular plate 14 moves to drive the connecting rod 15 to move, the rectangular scraping plate 16 is driven to scrape the impurities and water combination at the pipe orifice of the pitot tube 3, the connecting rod 15 can be prevented from entering the inside the pitot tube 3 in the next measurement, the sealing hole 6 can be moved, meanwhile, the sealing hole 6 is prevented from entering the mounting sleeve 4, the sealing hole 6 is prevented from entering the pipe orifice 3, the sealing hole is prevented from entering the inner part, the sealing sleeve is prevented from moving out of the connecting rod 5, and the connecting rod 15 can be prevented from moving out of the side face of the connecting rod 17 through the connecting rod 17, and the connecting rod is prevented from moving stably, and the vibration of the connecting rod is prevented from moving through the connecting rod 17 when the connecting rod is prevented from moving to move and supporting the connecting rod 17.
The above description is only of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model equivalent thereto using the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.
Claims (8)
1. The utility model provides a flue gas temperature and pressure flow measuring device, includes temperature and pressure flow measuring apparatu (1), its characterized in that: one side of the temperature and pressure flow measuring instrument (1) is fixedly connected with a mounting pipe (2), one end of the mounting pipe (2) is fixedly connected with a pitot tube (3), and a pipe orifice cleaning mechanism is arranged outside the mounting pipe (2);
the pipe orifice cleaning mechanism comprises a mounting sleeve (4), the mounting sleeve (4) is sleeved outside a mounting pipe (2), two sliding grooves (5) are formed in the outer portion of the mounting sleeve (4), a plurality of sealing holes (6) are formed in one side of the mounting sleeve (4), a driving assembly is arranged at the top of the mounting sleeve (4), an annular plate (14) is arranged inside the mounting sleeve (4), two protruding blocks (13) are fixedly arranged on the outer portion of the annular plate (14), a plurality of connecting rods (15) are fixedly connected to one side of the annular plate (14), a supporting ring (17) is sleeved on the outer portion of each connecting rod (15), and a plurality of rectangular scraping plates (16) are fixedly connected to one end of each connecting rod (15).
2. The flue gas temperature and pressure flow measurement device according to claim 1, wherein: the installation sleeve (4) is fixedly sleeved outside the installation pipe (2), the installation sleeve (4) is fixedly connected with the temperature and pressure flow measuring instrument (1), and the installation flange (7) is fixedly arranged outside the installation sleeve (4).
3. The flue gas temperature and pressure flow measurement device according to claim 1, wherein: the driving assembly comprises a motor (8), the motor (8) is fixedly arranged at the top of the mounting sleeve (4), the output end of the motor (8) is fixedly connected with a reciprocating screw rod (9), a sliding block (11) is sleeved outside the reciprocating screw rod (9), connecting plates (12) are fixedly arranged on two sides of the sliding block (11), and the two connecting plates (12) are fixedly connected with two convex blocks (13) respectively.
4. A flue gas temperature and pressure flow measurement device according to claim 3, wherein: one end of the reciprocating screw rod (9) is provided with a fixed block (10), the reciprocating screw rod (9) is connected with the fixed block (10) through threads, the fixed block (10) is fixedly arranged at the top of the mounting sleeve (4), and the reciprocating screw rod (9) is connected with the sliding block (11) through a ball screw pair.
5. The flue gas temperature and pressure flow measurement device according to claim 1, wherein: the two protruding blocks (13) respectively penetrate through the two sliding grooves (5) and are connected with the two sliding grooves (5) in a sliding mode.
6. The flue gas temperature and pressure flow measurement device according to claim 1, wherein: the annular plate (14) is arranged inside the mounting sleeve (4) and is in sliding connection with the mounting sleeve (4), and the annular plate (14) is sleeved outside the mounting pipe (2) and is in sliding connection with the mounting pipe (2).
7. The flue gas temperature and pressure flow measurement device according to claim 1, wherein: the connecting rods (15) penetrate through the sealing holes (6) respectively, sealing rings are fixedly arranged in the sealing holes (6), and the connecting rods (15) are connected with the sealing rings in a sliding mode respectively.
8. The flue gas temperature and pressure flow measurement device according to claim 1, wherein: the connecting rods (15) penetrate through the supporting ring (17) and are in sliding connection with the supporting ring (17), and the supporting ring (17) is fixedly arranged outside the mounting pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322384050.1U CN220625342U (en) | 2023-09-04 | 2023-09-04 | Flue gas temperature and pressure flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322384050.1U CN220625342U (en) | 2023-09-04 | 2023-09-04 | Flue gas temperature and pressure flow measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220625342U true CN220625342U (en) | 2024-03-19 |
Family
ID=90232316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322384050.1U Active CN220625342U (en) | 2023-09-04 | 2023-09-04 | Flue gas temperature and pressure flow measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220625342U (en) |
-
2023
- 2023-09-04 CN CN202322384050.1U patent/CN220625342U/en active Active
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