CN113418583A - Detection apparatus for boiler drum level gauge - Google Patents
Detection apparatus for boiler drum level gauge Download PDFInfo
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- CN113418583A CN113418583A CN202110566783.XA CN202110566783A CN113418583A CN 113418583 A CN113418583 A CN 113418583A CN 202110566783 A CN202110566783 A CN 202110566783A CN 113418583 A CN113418583 A CN 113418583A
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- detection device
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- detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 103
- 239000007788 liquid Substances 0.000 claims abstract description 113
- 238000005259 measurement Methods 0.000 abstract description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention discloses a detection device of a boiler drum liquid level meter, which comprises a boiler drum, wherein the boiler drum is connected with the liquid level meter through a connecting pipeline, the liquid level meter is connected with a detection device for detecting the accuracy of the liquid level meter through a connecting pipeline, the detection device comprises a shell and a liquid level height measurement device, and the liquid level height measurement device is positioned in the shell. According to the invention, the control valve is arranged on the connecting channel between the liquid level meter and the detection device, the control valve is opened periodically to detect the accuracy of the liquid level meter through the detection device, the detection device can accurately measure the liquid level height through the internal liquid level height measurement device, the liquid level height of the detection device is compared with the liquid level meter, and when the liquid level height detected by the detection device is not consistent with the liquid level height displayed by the liquid level meter, the liquid level meter is overhauled, so that the problem of use of a boiler steam drum caused by inaccurate liquid level meter is prevented.
Description
Technical Field
The invention relates to the technical field of boiler liquid level meters, in particular to a detection device of a boiler drum liquid level meter.
Background
With the development of Chinese economy, the industries such as petroleum, chemical industry, metallurgy, electric power, coalification, coking, papermaking, pharmacy, steel and the like are continuously increased and expanded, boilers with various tonnages are also put into use in succession, the development of boiler drum level meters is further driven, various drum level meters are born in the market in succession, and most of the existing boiler drum level meters have the problem of measurement precision change after long-term use, so that the situation that whether the measurement result of the level meter is accurate cannot be determined is caused.
For example, Chinese patent CN212565729U, published 2021, 2, 19, a boiler drum level gauge, relates to the technical field of boilers, and aims to solve the problem that various heavy metals and impurities contained in water easily damage the level gauge and influence the service life and the measurement precision when the existing level gauge is used for measurement. The utility model discloses a boiler steam drum, including boiler steam drum main part, level gauge, measuring cylinder, second bar magnet, first bar magnet is installed to one side of boiler steam drum main part, install magnetic filter mechanism between level gauge and the boiler steam drum main part, the level gauge is including measuring a section of thick bamboo and electrode bar, and the electrode bar is located the inside of measuring a section of thick bamboo, the lower extreme of measuring a section of thick bamboo is provided with the electron storehouse, be provided with the sealing washer between electrode bar and the measuring cylinder, magnetic filter mechanism's internally mounted has the metal filter screen, first bar magnet is installed to one side of metal filter screen, the second bar magnet is installed to one side of first bar magnet. The liquid level meter still has the condition that the accuracy of the liquid level meter is not high due to other reasons after long-term use, and lacks a device capable of regularly detecting the accuracy of the liquid level meter.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the technical problem that whether the measuring result of a liquid level meter is accurate or not cannot be determined due to long-term use of the existing boiler drum liquid level meter exists. The detection device of the boiler drum liquid level meter is capable of detecting the accuracy of the liquid level meter periodically.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a detection apparatus for boiler drum level gauge, includes the boiler drum, the boiler drum passes through the connecting tube and is connected with the level gauge, the level gauge passes through the connecting tube and is connected with the detection device who is used for detecting the level gauge degree of accuracy, detection device includes casing and liquid level height measuring device, liquid level height measuring device is located inside the casing. The utility model provides a detection apparatus for boiler drum level gauge, the level gauge communicates so that measure the liquid level of boiler drum with the boiler drum, and the opposite side intercommunication at the level gauge has detection device, set up the control valve on the interface channel between level gauge and detection dress, regularly open the control valve and carry out the degree of accuracy through detection device to the level gauge and detect, detection device can be through the accurate liquid level of measuring of inside liquid level measuring device, compare detection device's liquid level and level gauge, when the liquid level that detects as detection device detects does not accord with the liquid level that the level gauge shows, overhaul the level gauge, prevent to appear the problem because of the inaccurate use that leads to the boiler drum of level gauge.
Preferably, the liquid level height measuring device comprises a moving column and a moving float, wherein a sliding groove is formed in the moving column, and the moving float is in sliding connection with the moving column through the sliding groove. The liquid level height measuring device comprises a movable column and a movable float, the movable float freely slides on the movable column through a sliding groove, and the preliminary measurement of the liquid level height in the detecting device is realized through the movable float.
Preferably, a detection disc for measuring the liquid level is arranged on the outer side of the movable float. The liquid level height measuring device is used for preliminarily positioning the liquid level height through the movable buoy, and then the liquid level height in the detection device is further accurately measured through the fine adjustment detection disc.
Preferably, the outer side of the movable float is provided with threads, and the detection plate is connected with the movable float through the threads. Liquid level height measuring device can control and detect the dish slow rotation through removing after cursory preliminary location liquid level height, realizes reciprocating of detecting the dish through the screw thread, compares and reciprocates through the slide rail, can improve the precision that detects the dish and detect through the rotatory mode of screw thread.
Preferably, the top of the shell is provided with a controller for controlling the operation of the liquid level measuring device, and the controller is provided with a plurality of control buttons. When the mobile buoy needs to be subjected to equipment detection or the detection disc needs to be controlled to carry out liquid level height detection, equipment in control measurement is controlled and adjusted through the control button.
Preferably, a display is arranged at the top of the shell and comprises a mobile buoy position display screen and a detection disc position display screen. The display is provided with a mobile float position display screen and a detection disc position display screen, and is used for displaying the relative position of the mobile float on the mobile column and the relative position of the detection disc on the mobile float, and the liquid level height in the detection device can be accurately calculated through the two relative positions.
Preferably, a pressure sensor for assisting the detection disc in detecting the liquid level is arranged in the movable float. When the pressure sensor detects that the detection disc rotates upwards, the detection disc is controlled to stop rotating, the detection disc can be accurately stopped on the liquid level, and similarly, when the pressure sensor detects that the detection disc rotates downwards, the pressure is suddenly reduced, the detection disc is controlled to stop rotating, the position of the detection disc which moves relatively and floats is recorded, and the liquid level height of the detection device can be accurately measured.
Preferably, a control valve is arranged on a connecting pipeline between the liquid level meter and the boiler steam drum, and a control valve is arranged on a connecting pipeline between the liquid level meter and the detection device. The control of the on-off of the connecting pipeline is realized through the control valve, and the liquid level meter or the detection device is convenient to overhaul and replace.
Preferably, the bottom of the movable column is provided with a warning part for assisting in sensing the height of the liquid level, and a temperature sensor is arranged in the warning part. When the warning part contacts the movable buoy, the liquid level of the boiler drum is too low to reach the warning height, and if the temperature sensor in the warning part detects that the liquid temperature in the detection device shows that the boiler is in use, the warning part sends out an alarm signal to the controller to inform a user of adding water or closing the boiler in time.
The substantial effects of the invention are as follows: according to the invention, the liquid level meter is communicated with the boiler drum so as to measure the liquid level of the boiler drum, the other side of the liquid level meter is communicated with the detection device, the control valve is arranged on a connecting channel between the liquid level meter and the detection device, the control valve is opened periodically to carry out accuracy detection on the liquid level meter through the detection device, the detection device can accurately measure the liquid level through the internal liquid level height measurement device, the liquid level of the detection device is compared with the liquid level meter, and when the liquid level detected by the detection device is not consistent with the liquid level displayed by the liquid level meter, the liquid level meter is overhauled, so that the problem of use of the boiler drum caused by inaccurate liquid level meter is prevented.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
Wherein: 1. boiler steam drum, 2, level gauge, 3, detection device, 4, casing, 5, liquid level measuring device, 6, remove cursory, 7, test panel, 8, removal post, 9, warning portion, 10, control valve, 11, controller, 12, display.
Detailed Description
The following provides a more detailed description of the present invention, with reference to the accompanying drawings.
The utility model provides a detection apparatus for boiler drum level gauge, as shown in figure 1, includes boiler drum 1, and boiler drum 1 is connected with level gauge 2 through connecting tube, and level gauge 2 is connected with detection device 3 that is used for detecting the 2 degree of accuracy of level gauge through connecting tube, is equipped with control valve 10 on the connecting tube between level gauge 2 and the boiler drum 1, is equipped with control valve 10 on the connecting tube between level gauge 2 and the detection device 3. The control of the on-off of the connecting pipeline is realized through the control valve 10, so that the liquid level meter 2 or the detection device 3 can be conveniently overhauled and replaced. The detection device 3 comprises a housing 4 and a liquid level measuring device 5, the liquid level measuring device 5 being located inside the housing 4.
The top of the shell 4 is provided with a controller 11 for controlling the operation of the liquid level measuring device 5, and the controller 11 is provided with a plurality of control buttons. When the movable float 6 needs to be subjected to equipment detection or the detection disc 7 needs to be controlled to carry out liquid level detection, equipment in control measurement is controlled and adjusted through the control button. A display 12 is arranged on the top of the shell 4, and the display 12 comprises a position display screen of the movable float 6 and a position display screen of the detection plate 7. The display 12 is provided with a position display screen of the movable float 6 and a position display screen of the detection plate 7, and is used for displaying the relative position of the movable float 6 on the movable column 8 and the relative position of the detection plate 7 on the movable float 6, and the liquid level height in the detection device 3 can be accurately calculated through the two relative positions.
The liquid level height measuring device 5 comprises a movable column 8 and a movable float 6, a sliding groove is formed in the movable column 8, and the movable float 6 is connected with the movable column 8 in a sliding mode through the sliding groove. The liquid level measuring device 5 comprises a movable column 8 and a movable float 6, the movable float 6 freely slides on the movable column 8 through a sliding groove, and the preliminary measurement of the liquid level in the detecting device 3 is realized through the movable float 6. A detection disc 7 for measuring the liquid level is arranged on the outer side of the movable float 6. The liquid level measuring device 5 is used for primarily positioning the liquid level through the movable buoy 6 and then further accurately measuring the liquid level in the detection device 3 through the fine adjustment detection disc 7. The outer side of the movable float 6 is provided with threads, and the detection disc 7 is connected with the movable float 6 through the threads. Liquid level height measuring device 5 can control and detect dish 7 slow rotation after 6 preliminary location liquid level height through removing cursory, realizes detecting reciprocating of dish 7 through the screw thread, compares and reciprocates through the slide rail, can improve the precision that detects dish 7 and detect through the rotatory mode of screw thread. A pressure sensor for assisting the detection disc 7 in detecting the liquid level is arranged in the movable float 6. When the detection disc 7 is below the liquid level, the detection disc 7 is controlled to rotate to move upwards, when the detection disc 7 is just exposed out of the liquid level, the buoyancy force received by the detection disc 7 is reduced, the force required by the corresponding detection disc 7 to rotate upwards is increased, when the pressure sensor detects that the detection disc 7 rotates upwards, the pressure is suddenly increased, the detection disc 7 is controlled to stop rotating, at the moment, the detection disc 7 can be accurately stopped on the liquid level, similarly, when the detection disc 7 is above the liquid level, the detection disc 7 is controlled to rotate downwards, and when the pressure sensor detects that the detection disc 7 rotates downwards, the pressure is suddenly reduced, the detection disc 7 is controlled to stop rotating, the position of the detection disc 7 relative to the moving float 6 is recorded, and the liquid level of the detection device 3 is conveniently and accurately measured.
The bottom of the movable column 8 is provided with a warning part 9 for assisting in sensing the height of the liquid level, and a temperature sensor is arranged in the warning part 9. When the warning part 9 contacts the movable float 6, it indicates that the liquid level of the boiler drum 1 is too low and reaches a warning height, and if the temperature sensor in the warning part 9 detects that the liquid temperature in the detection device 3 indicates that the boiler is in use, the warning part 9 sends an alarm signal to the controller 11 to inform a user of adding water or closing the boiler in time.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (9)
1. The utility model provides a detection apparatus for boiler drum level gauge, a serial communication port, including boiler drum (1), boiler drum (1) is connected with level gauge (2) through connecting tube, level gauge (2) are connected with detection device (3) that are used for detecting the level gauge (2) degree of accuracy through connecting tube, detection device (3) include casing (4) and liquid level height measuring device (5), liquid level height measuring device (5) are located inside casing (4).
2. The detection device of the boiler drum liquid level meter according to claim 1, characterized in that the liquid level measuring device (5) comprises a moving column (8) and a moving float (6), a sliding groove is arranged on the moving column (8), and the moving float (6) is slidably connected with the moving column (8) through the sliding groove.
3. A boiler drum level gauge detecting device according to claim 1 or 2, characterized in that the outside of the moving float (6) is provided with a detecting plate (7) for measuring the liquid level.
4. A boiler drum level gauge detection device according to claim 3, characterized in that the outside of the mobile float (6) is provided with a thread, and the detection plate (7) is connected with the mobile float (6) through a thread.
5. The detection device of the boiler drum liquid level meter according to the claim 1, characterized in that the top of the shell (4) is provided with a controller (11) for controlling the operation of the liquid level measuring device (5), and the controller (11) is provided with a plurality of control buttons.
6. A boiler drum level gauge detection device according to claim 1 or 4 or 5, characterized in that a display (12) is provided on top of the housing (4), said display (12) comprising a mobile float (6) position display screen and a detection plate (7) position display screen.
7. A boiler drum level gauge detection device according to claim 4, characterized in that the moving float (6) is provided with a pressure sensor for assisting the detection plate (7) to detect the liquid level.
8. The detection device of the boiler drum liquid level meter according to the claim 1, 4 or 7, characterized in that a control valve (10) is arranged on a connecting pipeline between the liquid level meter (2) and the boiler drum (1), and a control valve (10) is arranged on a connecting pipeline between the liquid level meter (2) and the detection device (3).
9. The detecting device for the boiler drum liquid level meter according to the claim 8, characterized in that the bottom of the moving column (8) is provided with a warning part (9) for assisting in sensing the liquid level, and a temperature sensor is arranged in the warning part (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110566783.XA CN113418583A (en) | 2021-05-24 | 2021-05-24 | Detection apparatus for boiler drum level gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110566783.XA CN113418583A (en) | 2021-05-24 | 2021-05-24 | Detection apparatus for boiler drum level gauge |
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| Publication Number | Publication Date |
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| CN113418583A true CN113418583A (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110566783.XA Pending CN113418583A (en) | 2021-05-24 | 2021-05-24 | Detection apparatus for boiler drum level gauge |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1967174A (en) * | 2006-10-23 | 2007-05-23 | 丹东东方测控技术有限公司 | Buoyancy scanning type polyphase liquid-level interface detection method and detector therefor |
| CN101074889A (en) * | 2007-06-14 | 2007-11-21 | 南京航空航天大学 | Float laser liquid-level measuring device |
| CN101329191A (en) * | 2008-07-16 | 2008-12-24 | 南京航空航天大学 | Multi-layer object position automatic measuring instrument and measuring method thereof |
| CN109506735A (en) * | 2018-12-31 | 2019-03-22 | 杭州路弘科技有限公司 | The detection method of a variety of immiscible liquids |
| CN208802981U (en) * | 2018-09-05 | 2019-04-30 | 咸宁南玻玻璃有限公司 | A kind of glass furnace liquid level monitoring system |
| CN209296090U (en) * | 2019-01-22 | 2019-08-23 | 中广核核电运营有限公司 | Liquid level emasuring device |
| CN211013172U (en) * | 2019-12-17 | 2020-07-14 | 神华国能集团有限公司 | Checking and debugging system of liquid level controller |
| CN112304389A (en) * | 2020-10-28 | 2021-02-02 | 李武鹏 | Automatic intelligent boiler drum level gauge of calibration |
-
2021
- 2021-05-24 CN CN202110566783.XA patent/CN113418583A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1967174A (en) * | 2006-10-23 | 2007-05-23 | 丹东东方测控技术有限公司 | Buoyancy scanning type polyphase liquid-level interface detection method and detector therefor |
| CN101074889A (en) * | 2007-06-14 | 2007-11-21 | 南京航空航天大学 | Float laser liquid-level measuring device |
| CN101329191A (en) * | 2008-07-16 | 2008-12-24 | 南京航空航天大学 | Multi-layer object position automatic measuring instrument and measuring method thereof |
| CN208802981U (en) * | 2018-09-05 | 2019-04-30 | 咸宁南玻玻璃有限公司 | A kind of glass furnace liquid level monitoring system |
| CN109506735A (en) * | 2018-12-31 | 2019-03-22 | 杭州路弘科技有限公司 | The detection method of a variety of immiscible liquids |
| CN209296090U (en) * | 2019-01-22 | 2019-08-23 | 中广核核电运营有限公司 | Liquid level emasuring device |
| CN211013172U (en) * | 2019-12-17 | 2020-07-14 | 神华国能集团有限公司 | Checking and debugging system of liquid level controller |
| CN112304389A (en) * | 2020-10-28 | 2021-02-02 | 李武鹏 | Automatic intelligent boiler drum level gauge of calibration |
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Application publication date: 20210921 |