CN104574884A - Detection method of alarm function of chlorine leakage alarm apparatus - Google Patents
Detection method of alarm function of chlorine leakage alarm apparatus Download PDFInfo
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- CN104574884A CN104574884A CN201510056074.1A CN201510056074A CN104574884A CN 104574884 A CN104574884 A CN 104574884A CN 201510056074 A CN201510056074 A CN 201510056074A CN 104574884 A CN104574884 A CN 104574884A
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- chlorine
- alarm
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- leakage
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
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Abstract
The invention relates to the field of nuclear-power water chlorination equipment detection, provides a detection method of an alarm function of a chlorine leakage alarm apparatus and solves the problems of the prior art that during detecting the alarm function of the chlorine leakage alarm apparatus, the test is inaccurate, and workers are easily poisoned. The detection method includes 1, performing preparation, to be specific, starting the detection function of the chlorine leakage alarm apparatus; 2, performing a test, to be specific, allowing ammonia gas to escape out of ammonia water; if mass white smoke generated around a sensor probe of the chlorine leakage alarm apparatus, showing that chlorine leaks, with reaction equation as 8NH3+3C12=6NH4C1+N2->; otherwise, generating the ammonia gas through reagent reaction: NaC1O+2HC1=NaC1+H2O+C12->; 3, performing reagent processing, to be specific, diluenting and discharging the reagent. By the use of the detection method, whether or not the chlorine leakage alarm apparatus works is quickly detected, with reaction controllability high and result accurate, and the workers are uneasily poisoned.
Description
Technical field
The present invention relates to the field of the nuclear power water factory plant maintenance safety inspection in nuclear power station maintenance process, particularly relate to the method that inspection nuclear power water factory carries out the leakage chlorine alarm warning function used in chlorination process.
Background technology
Chlorination is adopted to carry out disinfection to nuclear power water in nuclear power water factory, because chlorine is hypertoxic gas, therefore on chlorination equipment, be provided with chlorine leakage warning device-leakage chlorine alarm, the alarm principle leaking chlorine alarm is by leaking chlorine content in chlorine sensor probe detecting air, then feed back to alarm, given the alarm by warning device.And once leakage chlorine alarm breaks down, during warning function cisco unity malfunction, once chlorine generation leakage will cause chlorine content in factory building too high, affect the healthy of staff, there is chlorine poisoning event.Therefore, the season of nuclear power water factory is in repair and maintenance project, leaks being detected as pressure and must surveying project of chlorine alarm warning function.
Because chlorine is toxic gas, therefore bottled chlorine is used to carry out disinfection to nuclear power water as chlorine gas source in nuclear power water factory, chlorine cylinder uses one month after (summer) to three months (winter), chlorine in chlorine cylinder is not enough to support the normal work of chlorination equipment, but now still has remaining chlorine in bottle.In operating process in the past, staff can when changing bottled chlorine, near the leakage chlorine sensor probe chlorine cylinder taken off being placed on Lou chlorine alarm, to make in bottle remaining chlorine free diffusing out, thus detect that whether the warning function of Lou chlorine alarm is normal.But, when making to detect in this way, staff need operate near leakage chlorine alarm, whether from loss in chlorine cylinder out there is no obvious phenomenon determination chlorine, process of the test is accurate not, and staff places oneself in the midst of in the higher environment of chlorine gas concentration, easily occurs chlorine poisoning phenomenon.
Summary of the invention
For solve prior art detect leak chlorine alarm warning function whether normal time, not accurately and the easily poisoning problem of staff, the present invention proposes a kind of detection method of leaking chlorine alarm warning function to the process of the test brought, and this detection method comprises the steps:
(1) preliminary work
Check the wiring and energising situation of leaking chlorine alarm, ensure that leaking chlorine alarm is in holding state, and adjust reset button, open the chlorine measuring ability leaking chlorine alarm;
(2) checkout procedure
Ammoniacal liquor is contained in open-top receptacle, and near the leakage chlorine sensor probe this open-top receptacle being placed on Lou chlorine alarm, then rock open-top receptacle gently, ammonia is overflowed, observes and leak near chlorine sensor probe whether produce white cigarette shape material; If have a large amount of white cigarette to produce near the leakage chlorine sensor probe leaking chlorine alarm, and leak chlorine alarm from on-test, never send warning, then illustrate that the chlorine in chlorination equipment has leaked, leaking chlorine alarm warning function breaks down, and reaction equation is 8NH
3+ 3Cl
2=6NH
4cl+N
2↑; If there is not a large amount of white cigarette in leak detection process, whether staff need adopt reagent sodium hypochlorite and watery hydrochloric acid reaction to generate chlorine normal to detect the warning function leaking chlorine alarm, and reaction equation is: NaClO+2HCl=NaCl+H
2o+Cl
2↑;
(3) agent treated
After the detection of leakage chlorine alarm warning function terminates, discharge after reaction reagent dilution.
When the detection method using the present invention to leak chlorine alarm warning function detects the warning function leaking chlorine alarm, can detect that Lou whether chlorine alarm is normal fast, and reaction has higher controllability, reagent starts reaction and just produces chlorine at once, testing process can be completed in very short time, and testing result is comparatively accurate.
Preferably, in described leak detection process, the ammoniacal liquor time be exposed in factory building is 3s ~ 10s (second).Ammoniacal liquor is opened and is rocked gently and can produce ammonia, and ammonia is toxic gas, and long-time exposure in atmosphere can to the healthy generation high risks of neighbouring staff.Meanwhile, the reaction velocity of ammonia and chlorine is very fast, if having chlorine leakage in factory building, within the 1s that ammonia contacts with chlorine, ammonia will generate white cigarette shape material ammonium chloride at once with chlorine reaction, the violent and reacting phenomenon of reaction is easily observed, without the need to wait reaction result consuming time.
Preferably, the sodium hypochlorite used in checkout procedure be concentration range 4% ~ 8% liquor natrii hypochloritis.When liquor natrii hypochloritis's concentration is too low, the course of reaction of liquor natrii hypochloritis and hydrochloric acid is comparatively slow, the amount of chlorine of producing is lower, can not in the detecting concentration scope reaching the leakage chlorine sensor probe leaking chlorine alarm instantaneously, need wait for that reagent reacting a period of time can complete detection, but need staff's supervisory instrument nearby due to during test, the long-time chlorine that sucks can produce injury to the health of staff, even causes poisoning.The excessive concentration of sodium hypochlorite can cause again reaction too violent, produce amount of chlorine excessive, although detecting step can be completed rapidly, but because reagent concentration is higher, detecting step terminates rear reagent still can the sustained response long period, staff still can suction part chlorine in reagent process after diluting reaction, can produce considerable influence to the personal safety of staff.
Further, the concentration of described liquor natrii hypochloritis is 6%.Adopt sodium hypochlorite content 6% liquor natrii hypochloritis as reaction reagent, in course of reaction, the chlorine gas concentration that the leakage chlorine sensor probe can producing enough leakage chlorine alarms in time detects, and after having detected, the dilution work of reagent is comparatively easy.
Further, the volume of the liquor natrii hypochloritis used in checkout procedure is 3mL ~ 5mL.Only need 3mL ~ 5mL concentration the liquor natrii hypochloritis of 4% ~ 8%, react with watery hydrochloric acid, the chlorine obtained enough is detected by the leakage chlorine sensor probe leaking chlorine alarm.
Preferably, the concentration range of described watery hydrochloric acid is 8% ~ 15%.It is excessive that the watery hydrochloric acid carrying out reacting with liquor natrii hypochloritis needs, and this makes course of reaction comparatively rapid and abundant.
Further, the concentration of described watery hydrochloric acid is 12%.Concentration be 12% watery hydrochloric acid preparation comparatively easy, and comparatively fast can produce chlorine in reagent reacting process, avoid the safety problem that chlorine that the reaction of staff's Long contact time produces causes.
Preferably, the volume of the watery hydrochloric acid used in checkout procedure is 3mL ~ 5mL.Whether the warning function of the chlorine that reaction reagent obtains only for detecting Lou chlorine alarm there is obstacle, and therefore, as long as the amount of chlorine that reaction produces can be detected by the leakage chlorine sensor probe leaking chlorine alarm, the amount of reaction reagent is without the need to too much.
Preferably, 100 times of reaction reagent volume are greater than for the volume of the water of diluting reaction reagent.After more than the hundred times water yields are diluted reaction reagent, reagent can not continue to react after detection terminates, and by pumping equipment Natural excrements such as sewers, can not impact environment or water quality.
The present invention is used to leak the detection method of chlorine alarm warning function, make the warning function testing process of Lou chlorine alarm comparatively fast, accurately, and reaction reagent easily obtains, course of reaction is comparatively rapid, detection can be completed within a short period of time, the time that staff is exposed under chlorine gas environment shortens greatly, has ensured the personal safety of staff largely.
Embodiment
Embodiment 1:
Leak a detection method for chlorine alarm warning function, this detection method comprises the steps:
(1) preliminary work
Check the wiring and energising situation of leaking chlorine alarm, ensure that leaking chlorine alarm is in holding state, and adjust reset button, open the chlorine measuring ability leaking chlorine alarm;
(2) checkout procedure
Ammoniacal liquor is contained in open-top receptacle, and near the leakage chlorine sensor probe this open-top receptacle being placed on Lou chlorine alarm, then rock open-top receptacle 5s gently, to make the ammonia in ammoniacal liquor fully overflow, reaction equation is
observe and leak near chlorine sensor probe whether produce white cigarette shape material; If have a large amount of white cigarette to produce near the leakage chlorine sensor probe leaking chlorine alarm, and leak chlorine alarm from on-test, never send warning, then illustrate that the chlorine in chlorination equipment has been revealed, leaking chlorine alarm warning function breaks down, and reaction equation is 8NH
3+ 3Cl
2=6NH
4cl+N
2↑; If there is not a large amount of white cigarette in leak detection process, staff need adopt concentration be 6% liquor natrii hypochloritis 3mL, the watery hydrochloric acid 3mL being 12% with concentration makes reaction reagent, these two kinds of reagent are mixed rear reaction and generate chlorine whether normally to detect leakage chlorine alarm warning function, reaction equation is: NaClO+2HCl=NaCl+H
2o+Cl
2↑; If this hourglass chlorine alarm gives the alarm not yet, then illustrate that obstacle appears in the warning function of this leakage chlorine alarm; If leak chlorine alarm to give the alarm, then illustrate that the warning function of this leakage chlorine alarm is normal;
(3) agent treated
After leakage chlorine alarm warning function detects and terminates, reaction reagent is added 1L water dilute after by sewer Natural excrement.
Embodiment 2:
Leak a detection method for chlorine alarm warning function, this detection method comprises the steps:
(1) preliminary work
Check the wiring and energising situation of leaking chlorine alarm, ensure that leaking chlorine alarm is in holding state, and adjust reset button, open the chlorine measuring ability leaking chlorine alarm;
(2) checkout procedure
Ammoniacal liquor is contained in open-top receptacle, and near the leakage chlorine sensor probe this open-top receptacle being placed on Lou chlorine alarm, then rock open-top receptacle 3s gently, to make the ammonia in ammoniacal liquor fully overflow, reaction equation is
observe and leak near chlorine sensor probe whether produce white cigarette shape material; If have a large amount of white cigarette to produce near the leakage chlorine sensor probe leaking chlorine alarm, and leak chlorine alarm from on-test, never send warning, then illustrate that the chlorine in chlorination equipment has been revealed, leaking chlorine alarm warning function breaks down, and reaction equation is 8NH
3+ 3Cl
2=6NH
4cl+N
2↑; If there is not a large amount of white cigarette in leak detection process, staff need adopt concentration be 8% liquor natrii hypochloritis 3mL, the watery hydrochloric acid 5mL being 8% with concentration makes reaction reagent, these two kinds of reagent are mixed rear reaction and generate chlorine whether normally to detect leakage chlorine alarm warning function, reaction equation is: NaClO+2HCl=NaCl+H
2o+Cl
2↑; If this hourglass chlorine alarm gives the alarm not yet, then illustrate that obstacle appears in the warning function of this leakage chlorine alarm; If leak chlorine alarm to give the alarm, then illustrate that the warning function of this leakage chlorine alarm is normal;
(3) agent treated
After leakage chlorine alarm warning function detects and terminates, reaction reagent is added 1L water dilute after by sewer Natural excrement.
Embodiment 3:
Leak a detection method for chlorine alarm warning function, this detection method comprises the steps:
(1) preliminary work
Check the wiring and energising situation of leaking chlorine alarm, ensure that leaking chlorine alarm is in holding state, and adjust reset button, open the chlorine measuring ability leaking chlorine alarm;
(2) checkout procedure
Ammoniacal liquor is contained in open-top receptacle, and near the leakage chlorine sensor probe this open-top receptacle being placed on Lou chlorine alarm, then rock open-top receptacle 10s gently, to make the ammonia in ammoniacal liquor fully overflow, reaction equation is
observe and leak near chlorine sensor probe whether produce white cigarette shape material; If have a large amount of white cigarette to produce near the leakage chlorine sensor probe leaking chlorine alarm, and leak chlorine alarm from on-test, never send warning, then illustrate that the chlorine in chlorination equipment has been revealed, leaking chlorine alarm warning function breaks down, and reaction equation is 8NH
3+ 3Cl
2=6NH
4cl+N
2↑; If there is not a large amount of white cigarette in leak detection process, staff need adopt concentration be 4% liquor natrii hypochloritis 5mL, the watery hydrochloric acid 3mL being 15% with concentration makes reaction reagent, these two kinds of reagent are mixed rear reaction and generate chlorine whether normally to detect leakage chlorine alarm warning function, reaction equation is: NaClO+2HCl=NaCl+H
2o+Cl
2↑; If this hourglass chlorine alarm gives the alarm not yet, then illustrate that obstacle appears in the warning function of this leakage chlorine alarm; If leak chlorine alarm to give the alarm, then illustrate that the warning function of this leakage chlorine alarm is normal;
(3) agent treated
After leakage chlorine alarm warning function detects and terminates, reaction reagent is added 1L water dilute after by sewer Natural excrement.
The warning function of detection method to the leakage chlorine alarm of chlorination equipment in nuclear power water using the present invention to leak chlorine alarm warning function detects, enough detect that Lou whether chlorine alarm is normal fast, and reaction has higher controllability, testing process can be completed in very short time, and testing result is comparatively accurate.Also reduce staff simultaneously and be exposed to time in chlorine gas environment, ensure that staff's is healthy.
Claims (9)
1. leak a detection method for chlorine alarm warning function, it is characterized in that, this detection method comprises the steps:
(1) preliminary work
Check the wiring and energising situation of leaking chlorine alarm, ensure that leaking chlorine alarm is in holding state, and adjust reset button, open the chlorine measuring ability leaking chlorine alarm;
(2) checkout procedure
Ammoniacal liquor is contained in open-top receptacle, and near the leakage chlorine sensor probe this open-top receptacle being placed on Lou chlorine alarm, then rock open-top receptacle gently, ammonia is overflowed, observes and leak near chlorine sensor probe whether produce white cigarette shape material; If have a large amount of white cigarette to produce near the leakage chlorine sensor probe leaking chlorine alarm, and leak chlorine alarm from on-test, never send warning, then illustrate that the chlorine in chlorination equipment has leaked, leaking chlorine alarm warning function breaks down, and reaction equation is 8NH
3+ 3Cl
2=6NH
4cl+N
2↑; If there is not a large amount of white cigarette in ammonia effusion process, whether staff need adopt reagent sodium hypochlorite and watery hydrochloric acid reaction to generate chlorine normal to detect the warning function leaking chlorine alarm, and reaction equation is: NaClO+2HCl=NaCl+H
2o+Cl
2↑;
(3) agent treated
After the detection of leakage chlorine alarm warning function terminates, discharge after reaction reagent dilution.
2. the detection method of leakage chlorine alarm warning function according to claim 1, is characterized in that, in described checkout procedure, the ammoniacal liquor time be exposed in factory building is 3s ~ 10s.
3. the detection method of leakage chlorine alarm warning function according to claim 1, is characterized in that, the sodium hypochlorite used in checkout procedure be concentration range 4% ~ 8% liquor natrii hypochloritis.
4. the detection method of leakage chlorine alarm warning function according to claim 3, is characterized in that, the concentration of described liquor natrii hypochloritis is 6%.
5. the detection method of leakage chlorine alarm warning function according to claim 3, is characterized in that, the volume of the liquor natrii hypochloritis used in checkout procedure is 3mL ~ 5mL.
6. the detection method of leakage chlorine alarm warning function according to claim 1, is characterized in that, the concentration range of described watery hydrochloric acid is 8% ~ 15%.
7. the detection method of leakage chlorine alarm warning function according to claim 6, is characterized in that, the concentration of described watery hydrochloric acid is 12%.
8. the detection method of leakage chlorine alarm warning function according to claim 6, is characterized in that, the volume of the watery hydrochloric acid used in checkout procedure is 3mL ~ 5mL.
9. the detection method of leakage chlorine alarm warning function according to claim 1, it is characterized in that, the volume for the water of diluting reaction reagent is greater than 100 times of reaction reagent volume.
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|---|---|---|---|
| CN201510056074.1A CN104574884B (en) | 2015-02-03 | 2015-02-03 | Leak the detection method of chlorine alarm warning function |
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| CN201510056074.1A CN104574884B (en) | 2015-02-03 | 2015-02-03 | Leak the detection method of chlorine alarm warning function |
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| CN104574884B CN104574884B (en) | 2017-08-25 |
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| CN105225587A (en) * | 2015-10-29 | 2016-01-06 | 苏州热工研究院有限公司 | A kind of science popularization teaching aid about nuclear power plant reactor safety and science popularization method |
| CN105225435A (en) * | 2015-09-18 | 2016-01-06 | 云南大红山管道有限公司 | A kind of nitric acid leakage warning device |
| CN109856311A (en) * | 2018-10-31 | 2019-06-07 | 国家电网公司 | Ground end cable is anti-to dig disconnected prior-warning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105225435A (en) * | 2015-09-18 | 2016-01-06 | 云南大红山管道有限公司 | A kind of nitric acid leakage warning device |
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| CN109856311A (en) * | 2018-10-31 | 2019-06-07 | 国家电网公司 | Ground end cable is anti-to dig disconnected prior-warning device |
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| Publication number | Publication date |
|---|---|
| CN104574884B (en) | 2017-08-25 |
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Address after: 518124 Guangdong city of Shenzhen province Luohu District Buxin East Garden Building 37 Applicant after: Center maintenance Co., Ltd Address before: 518124 Guangdong city of Shenzhen province Luohu District Buxin East Garden Building 37 Applicant before: CHINA NATIONAL NUCLEAR CORPORATION SHENZHEN 23 NUCLEAR POWER INSPECTION AND MAINTENANCE CO., LTD. |
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Free format text: CORRECT: APPLICANT; FROM: CHINA NATIONAL NUCLEAR CORPORATION SHENZHEN 23 NUCLEAR POWER INSPECTION AND MAINTENANCE CO., LTD. TO: CHINA NUCLEAR INDUSTRY MAINTENANCE CO., LTD. |
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