CN207675381U - A kind of ammonia leakage detection device - Google Patents
A kind of ammonia leakage detection device Download PDFInfo
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- CN207675381U CN207675381U CN201820110309.XU CN201820110309U CN207675381U CN 207675381 U CN207675381 U CN 207675381U CN 201820110309 U CN201820110309 U CN 201820110309U CN 207675381 U CN207675381 U CN 207675381U
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- ammonia
- conveyance conduit
- reagent
- detection device
- leakage detection
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Abstract
The utility model is related to a kind of ammonia leakage detection device, which includes：Ammonia conveyance conduit, input terminal are connect with ammonia tank, and ammonia conveyance conduit output end is connect with Benitration reactor；Reagent conveyance conduit is set to around ammonia tank and ammonia conveyance conduit, and the input terminal of reagent conveyance conduit and output end are connect with reagent storage means respectively；Pressure sensor is set in ammonia tank；Nozzle is equipped with several and is evenly arranged on reagent conveyance conduit；Control device, communicates with pressure sensor and connects, and control device is electrically connected with conveyance conduit.The beneficial effects of the utility model are：By autotime periodically to timing automatic spraying ammonia detection reagent around ammonia tank and ammonia conveyance conduit, it can not only fast and effeciently detect ammonia leakage phenomenon, the property that solution surface tension can be reduced using surfactant simultaneously, can be accurately judged to the specific location of ammonia leakage.
Description
Technical field
The utility model is related to thermal power plant gas denitrifying technology fields, are examined in particular to a kind of ammonia leakage
Survey device.
Background technology
With the development of industry, casualty accident caused by pernicious gas also gradually increases, and ammonia is always major chemical industry enterprise
One danger source of industry, ammonia is during production, packaging, storage, because implementation condition is not rigorous, pipeline aging, it is believed that former
Cause, many reasons such as technique backwardness generate ammonia leakage accidents, cause the harm to surrounding enviroment, or even casualties feelings occur
Condition.
The reducing agent of thermal power plant denitrating flue gas reaction is ammonia.Ammonia is colourless, has intense irritation smell, ammonia
The mixing of flammable and air is easy to happen explosion.Ammonia conveys and storage device once leaks, it is necessary to find leakage immediately
Point is isolated and is handled.Washing powder solution is commonly used in production to be sprayed in ammonia conveying and storage device, has seen whether bubble
To judge the specific location of ammonia leakage.Since foaming phenomena can inherently occur for washing powder, leakage rate is small or leakage position
When sight is covered by object, it can not judge whether to leak with the method for sprinkling.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of ammonia leakage detection device, it can be quick
It determines whether ammonia storage or conveying equipment leak, and judges specific leakage position.
The utility model provides a kind of ammonia leakage detection device, which includes：
Ammonia conveyance conduit, input terminal are connect with ammonia tank, the ammonia conveyance conduit output end and denitration reaction
Device connects；
Reagent conveyance conduit is set to around the ammonia tank and the ammonia conveyance conduit, and the reagent is defeated
The input terminal and output end for sending pipeline are connect with reagent storage means respectively；
Pressure sensor is set in the ammonia tank；
Nozzle is equipped with several and is evenly arranged on the reagent conveyance conduit；
Control device, communicates with the pressure sensor and connects, and the control device is electrically connected with the conveyance conduit.
The input terminal of the reagent storage means and the reagent conveyance conduit as a further improvement of the utility model,
Between be equipped with suction pump.
The output end of the reagent storage means and the reagent conveyance conduit as a further improvement of the utility model,
Between be equipped with switch valve.
The conveyance conduit is equipped with regular switching device, the control device as a further improvement of the utility model,
It is electrically connected with the conveyance conduit by the regular switching device.
The uniform interlaced arrangement of reagent conveyance conduit is in the ammonia tank as a further improvement of the utility model,
Around.
The reagent conveyance conduit is symmetrically arranged in the ammonia conveyance conduit as a further improvement of the utility model,
Both sides.
The reagent filled in the reagent storage means as a further improvement of the utility model, is phenolphthalein reagent and table
The mixed aqueous solution of face activating agent.
The ratio of the phenolphthalein reagent and the surfactant is 1: 3 as a further improvement of the utility model,.
The beneficial effects of the utility model are：The utility model is defeated to ammonia tank and ammonia by autotime timing
Timing automatic spraying ammonia detection reagent around pipeline is sent, can not only fast and effeciently detect ammonia leakage phenomenon, together
Shi Liyong surfactants can reduce the property of solution surface tension, can be accurately judged to the specific location of ammonia leakage.
Description of the drawings
Fig. 1 is a kind of ammonia leakage structure of the detecting device schematic diagram described in the utility model embodiment.
In figure,
1, ammonia tank；2, ammonia conveyance conduit；3, Benitration reactor；4, reagent storage means；5, suction pump；6, it switchs
Valve；7, control device；8, reagent conveyance conduit；9, nozzle；10, pressure sensor.
Specific implementation mode
Below by specific embodiment and in conjunction with attached drawing, the utility model is further described in detail.
As shown in Figure 1, described in the utility model embodiment being a kind of ammonia leakage detection device, which includes：
Ammonia conveyance conduit 2, input terminal are connect with ammonia tank 1,2 output end of ammonia conveyance conduit and Benitration reactor
3 connections；
Reagent conveyance conduit 8 is set to around ammonia tank 1 and ammonia conveyance conduit 2, and reagent conveyance conduit 8
Input terminal and output end are connect with reagent storage means 4 respectively；
Pressure sensor 10 is set in ammonia tank 1；
Nozzle 9 is equipped with several and is evenly arranged on reagent conveyance conduit 8；
Control device 7, communicates with pressure sensor 10 and connects, and control device 7 is electrically connected with conveyance conduit 8.
Further, suction pump 5 is equipped between reagent storage means 4 and the input terminal of reagent conveyance conduit 8.
Further, switch valve 6 is equipped between reagent storage means 4 and the output end of reagent conveyance conduit 8.
Ammonia detection reagent is housed in reagent storage means 4, is pumped ammonia detection reagent by suction pump 5 defeated to reagent
It send in pipeline 8, the ammonia detection reagent in reagent conveyance conduit 8 is sprayed at and ammonia tank 1 and ammonia conveying by nozzle 9 again
Around pipeline 2, when ammonia tank 1 or ammonia conveyance conduit 2 can be with ammonias if ammonia detection reagent if ammonia leakage occurs
Metachromatism occurs, and pressure sensor 10 is as pressure jump occurs for ammonia leakage.Control device 7 receives pressure biography
The pressure signal that sensor 10 is mutated then cut-out ammonia conveying immediately, to avoid ammonia leakage.If nozzle 9 sprays ammonia detection examination
Switch valve 6 is then disconnected when agent, if nozzle 9 stop sprinkling ammonia detection reagent when if closure switch valve 6, in order to reagent delivery pipe
Road 8 can pass back into reagent storage means 4, avoid the waste of remaining ammonia detection reagent.
Further, conveyance conduit 8 is equipped with regular switching device, and control device 7 passes through regular switching device and conveyance conduit 8
Electrical connection.Regular switching device is used to control the sprinkling of 8 upper nozzle 9 of conveyance conduit, does not have certain interval of time nozzle 9 then to spray once
Ammonia detection reagent, the present embodiment need to interval time be five minutes.Between being set as the case may be in actual condition
Every the time.Whether control device 7 can be by sprinkling of the regular switching device to control ammonia detection reagent.
Further, 8 uniform interlaced arrangement of reagent conveyance conduit is around ammonia tank 1.In order to make ammonia leakage detect
There is no dead angles, and horizontal and vertical reagent conveyance conduit 8, and all reagent conveyance conduits 8 are equipped with around ammonia tank 1
Uniform interlaced arrangement can effectively detected if ammonia tank 1 leaks by this setting.
Further, reagent conveyance conduit 8 is symmetrically arranged in the both sides of ammonia conveyance conduit 2.In order to effectively detect ammonia
Whether letter shoot road 2 leaks, then is arranged symmetrically reagent conveyance conduit 8 in the both sides of ammonia conveyance conduit 2.
Further, the reagent filled in reagent storage means 4 is the mixed aqueous solution of phenolphthalein reagent and surfactant.
Ammonia, which is dissolved in water and reacts, makes aqueous solution in alkalinity, and phenolphthalein reagent, which encounters alkaline solution, to be displayed in red, and surfactant can
To reduce the surface tension that ammonia detects agent solution, bubble is will produce when gas leakage passes through ammonia to detect agent solution, and produce
Raw bubble is not easily broken.When ammonia leakage occurs for ammonia tank 1 or ammonia conveyance conduit 2, when ammonia detection kit is let out
Become red liquid after the ammonia contact of leakage, the specific location of leakage has foaming phenomena generation.Become by ammonia detection reagent
The position that red and foaming phenomena occurs can judge the specific location of ammonia leakage.
Further, the ratio of the phenolphthalein reagent and the surfactant is 1: 3.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of ammonia leakage detection device, which is characterized in that including：
Ammonia conveyance conduit (2), input terminal are connect with ammonia tank (1), ammonia conveyance conduit (2) output end and denitration
Reactor (3) connects；
Reagent conveyance conduit (8) is set to around the ammonia tank (1) and the ammonia conveyance conduit (2), and the examination
The input terminal and output end of agent conveyance conduit (8) are connect with reagent storage means (4) respectively；
Pressure sensor (10) is set in the ammonia tank (1)；
Nozzle (9) is equipped with several and is evenly arranged on the reagent conveyance conduit (8)；
Control device (7) is communicated with the pressure sensor (10) and is connected, the control device (7) and the conveyance conduit
(8) it is electrically connected.
2. ammonia leakage detection device according to claim 1, which is characterized in that the reagent storage means (4) and institute
It states and is equipped with suction pump (5) between the input terminal of reagent conveyance conduit (8).
3. ammonia leakage detection device according to claim 1, which is characterized in that the reagent storage means (4) and institute
It states and is equipped with switch valve (6) between the output end of reagent conveyance conduit (8).
4. ammonia leakage detection device according to claim 1, which is characterized in that the conveyance conduit (8) is equipped with fixed
When derailing switch, the control device (7) is electrically connected by the regular switching device with the conveyance conduit (8).
5. ammonia leakage detection device according to claim 1, which is characterized in that the reagent conveyance conduit (8) is uniform
Interlaced arrangement is around the ammonia tank (1).
6. ammonia leakage detection device according to claim 1, which is characterized in that the reagent conveyance conduit (8) is symmetrical
It is arranged in the both sides of the ammonia conveyance conduit (2).
7. ammonia leakage detection device according to claim 1, which is characterized in that the interior institute of reagent storage means (4)
The reagent of dress is the mixed aqueous solution of phenolphthalein reagent and surfactant.
8. ammonia leakage detection device according to claim 7, which is characterized in that the phenolphthalein reagent and the surface are lived
Property agent ratio be 1: 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820110309.XU CN207675381U (en) | 2018-01-23 | 2018-01-23 | A kind of ammonia leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820110309.XU CN207675381U (en) | 2018-01-23 | 2018-01-23 | A kind of ammonia leakage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207675381U true CN207675381U (en) | 2018-07-31 |
Family
ID=62973633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820110309.XU Active CN207675381U (en) | 2018-01-23 | 2018-01-23 | A kind of ammonia leakage detection device |
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| Country | Link |
|---|---|
| CN (1) | CN207675381U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243557A (en) * | 2019-06-14 | 2019-09-17 | 国家能源投资集团有限责任公司 | Pipe detection system, boiler components and method for detecting pipeline |
| CN113340536A (en) * | 2021-04-14 | 2021-09-03 | 中粮融氏生物科技有限公司 | Method for searching leakage tube array of tube array heat exchanger |
| CN114763878A (en) * | 2021-01-15 | 2022-07-19 | 中国科学院微电子研究所 | Leak detection member, gas line, manufacturing apparatus, and line leak detection method |
| CN114893709A (en) * | 2022-04-24 | 2022-08-12 | 武汉中极氢能源发展有限公司 | Hydrogen recovery device for hydrogen filling station |
-
2018
- 2018-01-23 CN CN201820110309.XU patent/CN207675381U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243557A (en) * | 2019-06-14 | 2019-09-17 | 国家能源投资集团有限责任公司 | Pipe detection system, boiler components and method for detecting pipeline |
| CN110243557B (en) * | 2019-06-14 | 2021-11-19 | 国家能源投资集团有限责任公司 | Pipeline detection system, boiler assembly and pipeline detection method |
| CN114763878A (en) * | 2021-01-15 | 2022-07-19 | 中国科学院微电子研究所 | Leak detection member, gas line, manufacturing apparatus, and line leak detection method |
| CN113340536A (en) * | 2021-04-14 | 2021-09-03 | 中粮融氏生物科技有限公司 | Method for searching leakage tube array of tube array heat exchanger |
| CN113340536B (en) * | 2021-04-14 | 2022-09-23 | 中粮融氏生物科技有限公司 | Method for searching leakage tube array of tube array heat exchanger |
| CN114893709A (en) * | 2022-04-24 | 2022-08-12 | 武汉中极氢能源发展有限公司 | Hydrogen recovery device for hydrogen filling station |
| CN114893709B (en) * | 2022-04-24 | 2024-04-16 | 武汉中极氢能源发展有限公司 | Hydrogen recovery device for hydrogenation station |
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