CN221630943U - Air tightness test device - Google Patents
Air tightness test device Download PDFInfo
- Publication number
- CN221630943U CN221630943U CN202322913649.XU CN202322913649U CN221630943U CN 221630943 U CN221630943 U CN 221630943U CN 202322913649 U CN202322913649 U CN 202322913649U CN 221630943 U CN221630943 U CN 221630943U
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- China
- Prior art keywords
- air
- smoke box
- boiler smoke
- microphone array
- array module
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000779 smoke Substances 0.000 claims abstract description 48
- 238000001514 detection method Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 8
- 239000007789 gas Substances 0.000 description 12
- 238000005457 optimization Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses an air tightness test device which comprises a boiler smoke box, an air pump, an air pressure meter, an air duct, two connecting rods, a flange and a rotating device, wherein the air pump is connected to the boiler smoke box through the air duct, the air duct is provided with the air pressure meter, the air tightness test device further comprises a microphone array module, the microphone array module is connected to the two connecting rods, the two connecting rods are arranged on the rotating device, and the rotating device is arranged on the flange. When the air tightness of the boiler smoke box needs to be detected, the air pump is used for extracting internal air, so that the boiler smoke box is in a negative pressure environment, the air pump is closed at the moment, the boiler smoke box is completely closed, a period of time is waited for observing the barometer, the value of the air inlet gauge is unchanged, the air tightness of the boiler smoke box is good, the value of the air inlet gauge is changed, air leakage is indicated, the position of the microphone array module is adjusted at the moment, the microphone array module is tightly attached to the outer wall of the boiler smoke box, received data are transmitted into the control console, and the air leakage position can be displayed on the control console.
Description
Technical Field
The utility model relates to an air tightness test device.
Background
Along with the economic development, the electricity consumption is increasingly increased, the thermal power generation is still one of the most main power generation modes, and the boiler used in the thermal power generation is operated under the positive pressure condition, so that good air tightness is required, air tightness detection is regularly carried out after assembly is completed and in the future, otherwise toxic gases such as sulfur dioxide, sulfur trioxide and the like generated in the combustion process can leak into the environment, and are combined with water in the air to form an acid solution, so that the boiler is corroded, and the service life of the boiler is influenced.
At present, most of the airtight test devices are inconvenient to move, and only whether leakage occurs or not can be detected, so that the detection of the leakage point is not accurate enough.
In the patent of publication number CN217542299U, a technology is disclosed, and this technique includes air-blower and smoke box body, and the air-out end of air-blower is connected with first guide duct, and the flue gas access connection has the connecting pipe, and the one end that the smoke box body was kept away from to the connecting pipe is equipped with the butterfly valve, and one side that the butterfly valve kept away from the connecting pipe is connected with the second guide duct, and the one end that the butterfly valve was kept away from to the second guide duct passes through the damping festival and is connected with first guide duct. This boiler smoke box air tightness test device, through the air-blower to the interior input of smoke box body no impurity air or take colour gas, detection personnel can judge whether the smoke box leaks gas through the change of manometer numerical value, when the gas of taking place to leak gas the position of taking place can appear taking place colour gas, when the input no impurity air, detection personnel can spray soapy water at each gas tightness inspection position, leaks gas the position and can appear the bubble to be convenient for detection personnel fix a position the gas leakage position fast.
In the process of implementing the present utility model, the inventor finds that at least the following problems exist in the prior art: the detection device is inconvenient in moving position, and whether the gas leaks through flushing in colored gas detection, and when the gas leakage hole site is smaller, the leaked gas is little, can be diluted soon after leaking, and is not easy to perceive.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model develops the air tightness test device, which not only can conveniently move and adjust the position, but also can accurately detect the air leakage position, thereby effectively improving the detection efficiency.
The technical scheme for solving the technical problems is as follows: the embodiment of the utility model provides an airtight test device, which comprises a boiler smoke box, an air pump, an air pressure gauge, an air duct, two connecting rods, a flange and a rotating device, wherein the air pump is connected to the boiler smoke box through the air duct, and the air pressure gauge is arranged on the air duct, and is characterized in that: the microphone array module is connected to the two connecting rods, the two connecting rods are arranged on the rotating device, and the rotating device is arranged on the flange. When the air tightness of the boiler smoke box needs to be detected, the air pump is used for extracting internal air, so that the boiler smoke box is in a negative pressure environment, the air pump is closed at the moment, the boiler smoke box is completely closed, a period of time is waited for observing the barometer, the value of the air inlet gauge is unchanged, the air tightness of the boiler smoke box is good, the value of the air inlet gauge is changed, air leakage is indicated, the position of the microphone array module is adjusted at the moment, the microphone array module is tightly attached to the outer wall of the boiler smoke box, received data are transmitted into the control console, and the air leakage position can be displayed on the control console.
As optimization, one end of the air duct is connected to the air inlet end of the air pump, and the other end of the air duct is connected to the detection port of the boiler smoke box through a nut.
As optimization, the nut on the air duct can be replaced according to the size of the detection port on the boiler smoke box.
As optimization, the air pump is installed on the lifting platform through a flange.
Preferably, the microphone array module is mounted on a rotating ball of the two connecting rods. The position of the microphone array module can be adjusted, and the surface of the microphone array module can be tightly attached to the outer wall of the boiler smoke box through position adjustment.
As optimization, a control table is also arranged on the lifting table. The console can receive data from the microphone array module, and the microphone array module can determine the sound source position according to the phase control principle by measuring the signal phase difference of sound waves in a certain space reaching the sensor.
Preferably, the flange is mounted on the elevator, and the upper part of the flange is provided with a rotating device.
As optimization, a pair of hydraulic rods are symmetrically arranged below the lifting platform. Lifting of the lifting table is achieved through the push-pull action of the hydraulic rod.
As optimization, the contact part of the rotating device and the inner walls of the two connecting rods is made of anti-skid materials.
As optimization, the inner wall of the joint between the two connecting rods is made of an anti-skid material. By providing an anti-slip material it is ensured that the microphone array module can be kept in an adjusted position when it is adjusted.
The effects provided in the summary of the utility model are merely effects of embodiments, not all effects of the utility model, and the above technical solution has the following advantages or beneficial effects:
by adding the lifter, the equipment can be conveniently moved.
Through setting up microphone array module, can realize revealing accurate location of position.
The data of the microphone array module can be received through a screen on the console, and the leakage point position is displayed on the screen.
Drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a general structural view of the present utility model.
Fig. 3 is a right side view of the present utility model.
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1
Fig. 5 is a partial enlarged view of the area a in fig. 1.
Fig. 6 is a top view of the present utility model.
Wherein: 1. the boiler smoke box, the two connecting rods, the microphone array module, the control console, the air pump, the air pressure meter, the air duct, the lifting platform, the flange and the rotating device are arranged in sequence.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below with reference to the following detailed description and the accompanying drawings.
Examples
Referring to fig. 1 to 6, an airtight test device comprises a boiler smoke box 1, an air pump 5, an air pressure gauge 6, an air duct 7, a two connecting rods 2, a flange 9 and a rotating device 10, wherein the air pump 5 is connected to the boiler smoke box 1 through the air duct 7, and the air pressure gauge 6 is installed on the air duct 7, and is characterized in that: the microphone array module 3 is connected to the two connecting rods 2, the two connecting rods 2 are mounted on the rotating device 10, and the rotating device 10 is mounted on the flange 9. When the air tightness of the boiler smoke box 1 is required to be detected, the air pump 5 is used for extracting internal air, so that the boiler smoke box 1 is in a negative pressure environment, at the moment, the air pump 5 is closed, the boiler smoke box 1 is completely closed, the barometer 6 is waited for a period of time to observe, the value of the air inlet barometer 6 is unchanged, the air tightness of the boiler smoke box 1 is good, the value of the air inlet barometer 6 is changed, the air leakage is indicated, the position of the microphone array module 3 is regulated at the moment, the microphone array module is tightly attached to the outer wall of the boiler smoke box 1, received data are transmitted to the control console 4, and the air leakage position can be displayed on the control console 4. One end of the air duct 7 is connected with the air inlet end of the air pump 5, and the other end of the air duct is connected with the detection port of the boiler smoke box 1 through a nut. The nut on the air duct 7 can be replaced according to the size of the detection port on the boiler smoke box 1. The air pump 5 is arranged on the lifting platform 8 through a flange. The microphone array module 3 is mounted on the turning sphere of the two links 2. Can ensure that the surface of the microphone array module 3 can be tightly attached to the outer wall of the boiler smoke box 1 all the time when the position of the microphone array module is regulated. The lifting table 8 is also provided with a control table 4. The console 4 may receive data from the microphone array module 3, and the microphone array module 3 may determine the sound source position according to the phase control principle by measuring the signal phase difference of the sound wave reaching the sensor in a certain space. The flange 9 is mounted on the elevator and is provided with a turning device 10 in its upper part. A pair of hydraulic rods are symmetrically arranged below the lifting platform 8. Lifting of the lifting table 8 is achieved through the push-pull action of the hydraulic rod. The contact part of the rotating device 10 and the inner walls of the two connecting rods 2 is made of an anti-slip material. The inner wall of the joint between the two connecting rods 2 is made of an anti-skid material. By providing an anti-slip material it is ensured that the microphone array module 3 can be kept in an adjusted position when it is adjusted.
Working principle:
When the air tightness of the boiler smoke box 1 is required to be detected, the air pump 5 is used for extracting internal air, so that the boiler smoke box 1 is in a negative pressure environment, at the moment, the air pump 5 is closed, the boiler smoke box 1 is completely closed, the barometer 6 is waited for a period of time to observe, the value of the air inlet barometer 6 is unchanged, the air tightness of the boiler smoke box 1 is good, the value of the air inlet barometer 6 is changed, the air leakage is indicated, the position of the microphone array module 3 is regulated at the moment, the microphone array module is tightly attached to the outer wall of the boiler smoke box 1, received data are transmitted to the control console 4, and the air leakage position can be displayed on the control console 4.
The operation process comprises the following steps:
When the airtight test is required to be carried out on the boiler smoke box 1, a detector stands on the lifter 8, the lifter 8 is controlled to rise to a preset position through the control console 4, an operator connects the air duct 7 to a detection port of the boiler smoke box 1 at the moment, screws nuts are screwed down, the position of the microphone array module 3 is adjusted to be closely attached to the outer wall of the boiler smoke box 1, the air pump 5 is controlled to be opened on the control console 4, air in the boiler smoke box 1 is pumped out, the inside of the boiler smoke box reaches a negative pressure environment, the numerical value on the air pressure gauge 6 is observed, after the preset pressure is reached, the air pump 5 is controlled to be closed, the inside of the boiler smoke box 1 is in a closed negative pressure environment at the moment, the pressure is kept stand for a certain time, the numerical value on the air pressure gauge 6 is observed, if the numerical value does not change, the air tightness is good, the numerical value is changed, the data transmitted by the microphone array module 3 is opened on the control console 4, and the leakage position can be accurately displayed.
While the foregoing description of the embodiments of the present utility model has been presented with reference to the drawings, it is not intended to limit the scope of the utility model, but rather, it is apparent that various modifications or variations can be made by those skilled in the art without the need for inventive work on the basis of the technical solutions of the present utility model.
Claims (8)
1. The utility model provides a gas tightness test device, includes boiler smoke box (1), air pump (5), barometer (6), air duct (7), two connecting rods (2), flange (9), rotating device (10), air pump (5) are connected to boiler smoke box (1) through air duct (7), install barometer (6), characterized by on air duct (7): the microphone array module (3) is connected to the two connecting rods (2), the two connecting rods (2) are installed on the rotating device (10), and the rotating device (10) is installed on the flange (9).
2. The air tightness test device according to claim 1, wherein one end of the air duct (7) is connected to the air inlet end of the air pump (5), and the other end is connected to the detection port of the boiler smoke box (1) through a nut.
3. An airtight test apparatus according to claim 1, wherein the nut on the air duct (7) is exchangeable according to the size of the detection port on the boiler smoke box (1).
4. An airtight test apparatus as claimed in claim 1, wherein said air pump (5) is mounted on a lifting table (8) by means of a flange.
5. An air tightness test device according to claim 1, wherein said microphone array module (3) is mounted on a swivel ball of a two-bar linkage (2).
6. An air tightness test device according to claim 1, characterized in that the flange (9) is mounted on the elevator, and that the upper part is provided with turning means (10).
7. The air tightness test device according to claim 1, wherein the contact part of the rotating device (10) and the inner wall of the two connecting rods (2) is made of an anti-slip material.
8. The air tightness test device according to claim 1, wherein the inner wall of the joint between the two connecting rods (2) is made of an anti-slip material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322913649.XU CN221630943U (en) | 2023-10-30 | 2023-10-30 | Air tightness test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322913649.XU CN221630943U (en) | 2023-10-30 | 2023-10-30 | Air tightness test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221630943U true CN221630943U (en) | 2024-08-30 |
Family
ID=92492556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322913649.XU Active CN221630943U (en) | 2023-10-30 | 2023-10-30 | Air tightness test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221630943U (en) |
-
2023
- 2023-10-30 CN CN202322913649.XU patent/CN221630943U/en active Active
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