CN211553191U - Ammonia leakage detection equipment - Google Patents
Ammonia leakage detection equipment Download PDFInfo
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- CN211553191U CN211553191U CN202020219653.XU CN202020219653U CN211553191U CN 211553191 U CN211553191 U CN 211553191U CN 202020219653 U CN202020219653 U CN 202020219653U CN 211553191 U CN211553191 U CN 211553191U
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- standard concentration
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Abstract
The utility model discloses an ammonia gas leakage detection device, which comprises a standard concentration ammonia gas cylinder, a pressure reducing valve, a pressure gauge, a gas flowmeter, a gas guide tube, a gas collecting device and a telescopic rod; the standard concentration ammonia gas cylinder is used for storing ammonia gas with standard concentration; a pressure reducing valve, a pressure gauge and a gas flowmeter are sequentially arranged between the opening of the standard concentration ammonia bottle and the gas collecting device and are sequentially communicated through the gas guide tube; the gas collecting device is detachably and fixedly connected with the telescopic rod. The utility model discloses an ammonia leakage testing equipment simple structure, convenient to use is an ammonia leakage testing auxiliary assembly, and the concentration condition that cooperation ammonia leakage detector can detect the ammonia safely, conveniently, accurately to improve online ammonia leakage testing alarm's accuracy comprehensively, guarantee in time teletransmission and leak alarm signal, strive for the valuable time for subsequent processing.
Description
Technical Field
The utility model relates to an automatic control system's equipment field, concretely relates to ammonia leakage detection equipment.
Background
The ammonia gas is usually used in a denitration system of a thermal power plant as a reducing agent, nitrogen oxides in flue gas of combustion products of a boiler are removed, emission of atmosphere is reduced, the environment is protected, and the ammonia gas is easily vaporized into the ammonia gas when meeting air in an ammonia storage tank which is stored in a liquid ammonia form at ordinary times.
Present thermal power factory denitrogenation ammonia station device adopts online ammonia leak testing alarm instrument, must periodic test to ensure that data is correct, nevertheless because the power plant denitrogenation ammonia station design layout is comparatively complicated, the position of each alarm point differs, for example liquid ammonia tank region detection alarm point position is than higher, the platform is pressed close to the evaporimeter region, experimental position is extremely poor. When detecting and testing each ammonia gas leakage alarm point of the denitration ammonia station, operators use the ammonia bottle, the wooden stick, the rag and other related properties at each time, which is not only unsafe, but also time-consuming and labor-consuming.
Based on the circumstances, the utility model provides an ammonia leakage detection equipment for detect the condition that the ammonia leaked, ensure the safe operation at the ammonia nitrate removal station.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ammonia leakage detection equipment. The ammonia gas leakage detection equipment of the utility model has simple structure and convenient use, adjusts the gas collecting device to a proper height through the telescopic rod, leads the opening of the gas collecting device to be aligned with an ammonia gas leakage detector, namely an ammonia gas leakage detection alarm instrument, opens the ammonia gas cylinder with standard concentration, adjusts the ammonia gas with standard concentration to a proper flow, and can carry out an ammonia gas leakage detection test; the ammonia leakage detection auxiliary equipment can be used for safely, conveniently and accurately detecting the concentration condition of ammonia leakage by matching with an ammonia leakage detector, so that the accuracy of the online ammonia leakage detection alarm instrument is comprehensively improved, timely remote transmission of leakage alarm signals is guaranteed, and valuable time is strived for subsequent treatment.
The utility model discloses a following technical scheme realizes:
an ammonia gas leakage detection device comprises a standard concentration ammonia gas cylinder, a pressure reducing valve, a pressure gauge, a gas flowmeter, a gas guide pipe, a gas collecting device and a telescopic rod;
the standard concentration ammonia gas cylinder is used for storing ammonia gas with standard concentration;
a pressure reducing valve, a pressure gauge and a gas flowmeter are sequentially arranged between the opening of the standard concentration ammonia bottle and the gas collecting device and are sequentially communicated through the gas guide tube;
the gas collecting device is detachably and fixedly connected with the telescopic rod.
The ammonia gas leakage detection equipment of the utility model has simple structure and convenient use, adjusts the gas collecting device to a proper height through the telescopic rod, leads the opening of the gas collecting device to be aligned with an ammonia gas leakage detector, namely an ammonia gas leakage detection alarm instrument, opens the ammonia gas cylinder with standard concentration, adjusts the ammonia gas with standard concentration to a proper flow, and can carry out an ammonia gas leakage detection test; the ammonia leakage detection auxiliary equipment can be used for safely, conveniently and accurately detecting the concentration condition of ammonia leakage by matching with an ammonia leakage detector, so that the accuracy of the online ammonia leakage detection alarm instrument is comprehensively improved, timely remote transmission of leakage alarm signals is guaranteed, and valuable time is strived for subsequent treatment.
Preferably, the gas collecting device is a container having a cavity therein and at least 1 opening.
Preferably, the gas collecting device is a gas collecting bottle with an opening.
Preferably, the air duct is a latex tube.
Preferably, the pressure reducing valve is a gas pressure reducing valve.
Preferably, the gas collecting device is detachably and fixedly connected with the telescopic rod through a fastening part.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the ammonia gas leakage detection equipment of the utility model has simple structure and convenient use, adjusts the gas collecting device to a proper height through the telescopic rod, leads the opening of the gas collecting device to be aligned with an ammonia gas leakage detector, namely an ammonia gas leakage detection alarm instrument, opens the ammonia gas cylinder with standard concentration, adjusts the ammonia gas with standard concentration to a proper flow, and can carry out an ammonia gas leakage detection test; the ammonia leakage detection auxiliary equipment can be used for safely, conveniently and accurately detecting the concentration condition of ammonia leakage by matching with an ammonia leakage detector, so that the accuracy of the online ammonia leakage detection alarm instrument is comprehensively improved, timely remote transmission of leakage alarm signals is guaranteed, and valuable time is strived for subsequent treatment.
The traditional detection method is characterized in that ammonia water is used in a laboratory for traditional Chinese medicine, the test concentration cannot be controlled, the alarm instrument displays 100ppm full scale in each test, and only qualitative detection can be achieved, and the accuracy of the online alarm instrument cannot be determined. Adopt the utility model discloses an behind the ammonia leakage testing equipment, use the qualified standard ammonia of measurement (generally use 25ppm or 30ppm), the degree of accuracy that can directly inspect the ammonia alarm appearance makes test method become quantitative test, and this is the leap of matter, very big assurance online ammonia leakage testing of denitration ammonia station reports to the police the rate of accuracy.
Original detection method can only be fallen the aqueous ammonia on the rag, and the reuse stick is picked up, and the process of falling all drops very easily with the process of picking up, causes experimental failure, adopts the utility model discloses an behind the ammonia leakage detection equipment, do not have these two steps, as long as control gas cylinder outlet pressure and flow and just can guarantee that the experiment is successful.
The original detection method inevitably overflows ammonia gas in the preparation process, and has high concentration and potential safety hazard. Adopt the utility model discloses an behind the ammonia leak testing equipment, as long as guarantee the gas tightness of complete equipment, only can release trace ammonia when experimental, accord with occupational health safety requirement moreover.
The test time is saved. Every ammonia leakage detection alarm instrument check-out time of preceding method needs 90 seconds on average, adopts the utility model discloses an ammonia leakage detection equipment back, every alarm instrument check-out time shortens to about 30 seconds, and the decline range is 66.7%.
Adopt the utility model discloses an ammonia leak testing equipment the flexible stick can freely stretch out and draw back according to the height difference of position, convenient detection.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1, the ammonia gas leakage detection device comprises a standard concentration ammonia gas cylinder 1, a pressure reducing valve 7, a pressure gauge 2, a gas flowmeter 3, a gas guide tube 4, a gas collecting device 5 and a telescopic rod 6; the standard concentration ammonia gas bottle 1 is used for storing ammonia gas with standard concentration; a pressure reducing valve 7, a pressure gauge 2 and a gas flowmeter 3 are sequentially arranged between the opening of the standard concentration ammonia bottle 1 and the gas collecting device 5 and are sequentially communicated through the gas guide tube 4; the gas collecting device 5 is detachably and fixedly connected with the telescopic rod 6.
Example 2:
as shown in fig. 1, the ammonia gas leakage detection device comprises a standard concentration ammonia gas cylinder 1, a pressure reducing valve 7, a pressure gauge 2, a gas flowmeter 3, a gas guide tube 4, a gas collecting device 5 and a telescopic rod 6;
the standard concentration ammonia gas bottle 1 is used for storing ammonia gas with standard concentration;
a pressure reducing valve 7, a pressure gauge 2 and a gas flowmeter 3 are sequentially arranged between the opening of the standard concentration ammonia bottle 1 and the gas collecting device 5 and are sequentially communicated through the gas guide tube 4;
the gas collecting device 5 is detachably and fixedly connected with the telescopic rod 6.
Further, in another embodiment, the gas collecting device 5 is a container having a cavity therein and at least 1 opening.
Further, in another embodiment, the gas collecting device 5 is a gas collecting bottle with an opening.
The gas collecting bottle with the opening, such as the gas collecting bottle with the upward opening, has a simple structure and can meet the use requirement.
Further, in another embodiment, the airway tube 4 is a latex tube.
The latex tube is soft and durable, can be bent and rolled as required in the using process, has long service life and is airtight.
Further, in another embodiment, the pressure reducing valve 7 is a gas pressure reducing valve.
In the utility model, the telescopic rod 6 can be a telescopic rod commonly used in the field, and can be understood by technical personnel in the field if the telescopic rod of the telescopic structure of the umbrella handle of the folding umbrella is adopted.
Further, in another embodiment, the gas collecting device 5 and the telescopic rod 6 are detachably and fixedly connected through a fastening part 8.
The fastening member 8 of the present invention may be any fastening member commonly used in the art, such as a bolt and a nut, which can be understood by those skilled in the art.
The utility model discloses a theory of operation of an embodiment as follows:
an ammonia gas leakage detection device, the ammonia gas of standard concentration stored in the ammonia gas bottle of standard concentration 1, after reducing valve 7, through the gas flowmeter 3, enter the air duct 4, the air duct 4 stretches into the gas collecting device 5, the gas collecting device 5 and telescopic rod 6 can be dismantled and fixedly connected through the fastening part 8;
the gas collecting device 5 is adjusted to a proper height through the telescopic rod 6, an opening of the gas collecting device 5 is aligned to the ammonia gas leakage detector, namely, the ammonia gas leakage detection alarm instrument, then the standard concentration ammonia gas cylinder 1 is opened through the pressure reducing valve 7, the ammonia gas with the standard concentration is adjusted to a proper flow rate [ the specific size of the proper flow rate is judged by observing the pressure gauge 2 and the gas flowmeter 3 through professional detection personnel ], and then the ammonia gas leakage detection test can be carried out.
The utility model also provides an adopt ammonia leakage detection method of ammonia leakage detection equipment, including following step:
1) only one ammonia gas leakage detector is arranged in each area to be detected;
2) the gas collecting device 5 is adjusted to a proper height through the telescopic rod 6, and an opening of the gas collecting device 5 is aligned to a certain quasi-ammonia gas leakage detector;
3) then opening the ammonia gas cylinder 1 with the standard concentration through a pressure reducing valve 7, adjusting the ammonia gas with the standard concentration to the proper flow rate [ the specific size of the proper flow rate is judged by observing a pressure gauge 2 and a gas flowmeter 3 through professional detection personnel ], and carrying out an ammonia gas leakage detection test;
4) and when the ammonia gas leakage detector detects that the ammonia concentration in the area exceeds a set value, an alarm signal is sent out.
5) Professional detection personnel observe or receive the alarm signal, make the judgement: when the concentration is high, the corresponding operation is stopped, such as stopping discharging or evaporating.
Further, in another embodiment, the area to be inspected includes a handling stack, a discharge compressor area, a liquid ammonia storage tank area, a vaporizer area, and an ammonia buffer tank area.
According to the description and drawings of the present invention, the ammonia gas leakage detecting device of the present invention can be easily manufactured or used by those skilled in the art, and the positive effects described in the present invention can be produced.
Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (6)
1. The utility model provides an ammonia leakage detection equipment which characterized in that: comprises a standard concentration ammonia bottle (1), a pressure reducing valve (7), a pressure gauge (2), a gas flowmeter (3), a gas guide pipe (4), a gas collecting device (5) and a telescopic rod (6);
the standard concentration ammonia gas bottle (1) is used for storing ammonia gas with standard concentration;
a pressure reducing valve (7), a pressure gauge (2) and a gas flowmeter (3) are sequentially arranged between the opening of the standard concentration ammonia bottle (1) and the gas collecting device (5) and are sequentially communicated through the gas guide pipe (4);
the gas collecting device (5) is detachably and fixedly connected with the telescopic rod (6).
2. The ammonia gas leak detection apparatus according to claim 1, characterized in that: the gas collecting device (5) is a container which is provided with a cavity inside and at least 1 opening.
3. The ammonia gas leak detection apparatus according to claim 2, characterized in that: the gas collecting device (5) is a gas collecting bottle with an opening.
4. The ammonia gas leak detection apparatus according to claim 1, characterized in that: the air duct (4) is a latex tube.
5. The ammonia gas leak detection apparatus according to claim 1, characterized in that: the pressure reducing valve (7) is a gas pressure reducing valve.
6. The ammonia gas leak detection apparatus according to claim 1, characterized in that: the gas collecting device (5) is detachably and fixedly connected with the telescopic rod (6) through a fastening part (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020219653.XU CN211553191U (en) | 2020-02-27 | 2020-02-27 | Ammonia leakage detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020219653.XU CN211553191U (en) | 2020-02-27 | 2020-02-27 | Ammonia leakage detection equipment |
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| CN211553191U true CN211553191U (en) | 2020-09-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111257516A (en) * | 2020-02-27 | 2020-06-09 | 浙江浙能嘉华发电有限公司 | Ammonia gas leakage detection equipment and detection method |
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- 2020-02-27 CN CN202020219653.XU patent/CN211553191U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111257516A (en) * | 2020-02-27 | 2020-06-09 | 浙江浙能嘉华发电有限公司 | Ammonia gas leakage detection equipment and detection method |
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