CN109900433A - Detection warning device for Large Synchronous Machine air-water cooling device leak - Google Patents

Detection warning device for Large Synchronous Machine air-water cooling device leak Download PDF

Info

Publication number
CN109900433A
CN109900433A CN201910244194.2A CN201910244194A CN109900433A CN 109900433 A CN109900433 A CN 109900433A CN 201910244194 A CN201910244194 A CN 201910244194A CN 109900433 A CN109900433 A CN 109900433A
Authority
CN
China
Prior art keywords
leak
catch basin
synchronous machine
water
detection warning
Prior art date
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.)
Granted
Application number
CN201910244194.2A
Other languages
Chinese (zh)
Other versions
CN109900433B (en
Inventor
张文辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pangang Group Panzhihua Steel and Vanadium Co Ltd
Original Assignee
Pangang Group Panzhihua Steel and Vanadium Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pangang Group Panzhihua Steel and Vanadium Co Ltd filed Critical Pangang Group Panzhihua Steel and Vanadium Co Ltd
Priority to CN201910244194.2A priority Critical patent/CN109900433B/en
Publication of CN109900433A publication Critical patent/CN109900433A/en
Application granted granted Critical
Publication of CN109900433B publication Critical patent/CN109900433B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a kind of detection warning devices, especially disclose a kind of detection warning device for Large Synchronous Machine air-water cooling device leak, belong to motor designs manufacture maintenance technique field.A kind of detection warning device for the device leak of Large Synchronous Machine air-water cooling being also found that water leakage of cooler when enlightenment alert if has not yet been reached in water leakage is provided.The detection warning device includes diversion trench and the catch basin for being connected to diversion trench output end, the diversion trench and the catch basin are arranged in the casing of the Large Synchronous Machine, the detection warning device further includes leak visual inspection system, the leak visual inspection system that vapour-liquid input terminal is connected to the trench bottom that catchments is arranged on the outside of the casing of the Large Synchronous Machine, and the micro cooling water of the air-water cooling device leakage passes through in the catch basin input leak visual inspection system.

Description

Detection warning device for Large Synchronous Machine air-water cooling device leak
Technical field
The present invention relates to a kind of detection warning devices, are used for Large Synchronous Machine air-water cooling device more particularly, to one kind The detection warning device of leak belongs to motor designs manufacture maintenance technique field.
Background technique
No. three blast furnace blower driving motors of certain domestic Gang Fanyou company, the output work produced using Siemens Rate reaches the high-power synchronous motor of 32000KW.The cooling device of synchronous motor exchanges heat using triumphant network text sky-water Device, the sky-water- to-water heat exchanger are passed through the cooling water that temperature is 30 DEG C -35 DEG C, pressure is 6bar.The heat that synchronous motor operation generates Amount, by the rotation of rotor, forcing it to generate, cycling hot is distinguished and admirable, and hot air flow enters sky-water- to-water heat exchanger, and thermal energy passes through heat exchanger On heat absorption thin slice pass to cooling water, thus by synchronous motor generate heat take away, achieve the purpose that cooling motor.
In order to reach best cooling effect, air-water cooling device is located at the surface of stator of synchronous motor winding in casing. Once air-water cooling device leak, cooling water will be sprayed directly on the stator winding of synchronous motor.It is such to prevent Serious consequence, the arranged beneath of cooler have leak diversion trench, and when leak occurs for cooler any point, diversion trench catches leak And the catch basin of motor side inner wall is come together in, the water level of catch basin reach a certain height, and is shorted leak water detdction electrode, leak Detection device is acted in alarm.
In terms of operating experience, which is had the following problems:
1, when the water leakage of coller for motor is less than or equal to evaporation capacity, up to 100 when because of motor operation temperature highest DEG C, leak water detdction electrode height is not achieved in the water level of catch basin always, and post personnel can not be found in time;
2, the water vapour evaporated causes machine winding to be made moist, and insulation reduces, and burns synchronous motor;
3, a large amount of leaks of coller for motor, the cooling water in catch basin can not leak, cooling water will overflow catch basin into Enter inside main motor, stator of synchronous motor winding may be burnt.
Summary of the invention
The technical problems to be solved by the present invention are: provide it is a kind of when enlightenment alert if has not yet been reached in water leakage still It was found that the detection warning device for the device leak of Large Synchronous Machine air-water cooling of water leakage of cooler.
Used technical solution is to solve above-mentioned technical problem: one kind being used for Large Synchronous Machine air-water cooling device The detection warning device of leak, including diversion trench and the catch basin for being connected to diversion trench output end, the diversion trench It is arranged in the catch basin in the casing of the Large Synchronous Machine, the detection warning device further includes that leak can Depending on changing observation system, the leak visual inspection system that vapour-liquid input terminal is connected to the trench bottom that catchments is arranged in the large size On the outside of the casing of synchronous motor, the micro cooling water of the air-water cooling device leakage passes through described in the catch basin input In leak visual inspection system.
Further, the leak visual inspection system includes fairlead and transparent observing pipe, the fairlead The one end protruded into the casing is connected to the bottom of the catch basin, the transparent observing pipe upward cloth along the vertical direction It sets and is located on one end outside casing in the fairlead.
The preferred mode of the above solution is that the transparent observing pipe is lucite pipe, transparent organic glass pipe or saturating Bright glass tube is provided with graduation mark and warning line on the transparent observing pipe along short transverse.
Further, the leak visual inspection system further includes drainpipe and shut-off valve, along the vertical direction to The drainpipe of lower arrangement is located at one end outside casing from the fairlead and is connected to the fairlead, in the drainpipe and The shut-off valve is mounted on the fairlead.
The preferred mode of the above solution is that the detection warning device further includes vapour-liquid induction combinde alarms component, institute The vapour-liquid induction end for stating vapour-liquid induction combinde alarms component is arranged in the catch basin.
Further, the vapour-liquid induction combinde alarms component includes PLC programmable module, alarm, humidity sense Device and electrode inductor are answered, the humidity sensor is mounted on the inner sidewall of the catch basin, the electrode inductor It is suspended on the middle and lower part of the catch basin inner cavity, the data line of the alarm, humidity sensor and electrode inductor is and institute The PLC programmable module connection stated.
The preferred mode of the above solution is that the alarm includes alarm lamp and alarm speaker.
The beneficial effects of the present invention are: a set of leakage is arranged by increasing on the basis of existing water leakage alarm system in the application Water visual inspection system, and the leak visual inspection system that vapour-liquid input terminal is connected to the trench bottom that catchments is arranged in On the outside of the casing of the Large Synchronous Machine.Since the vapour-liquid input terminal of the leak visual inspection system and the trench bottom that catchments connect It is logical, thus can be connected to when there is leak to enter catch basin into the leak visual inspection system, such institute The micro cooling water for stating the leakage of air-water cooling device can also input the leak visual inspection system by the catch basin System, realizing still can be by observation leak visual inspection system when water leakage has not yet been reached and enlightens existing alert if Whether with the presence of water come judge cooler whether leak.Even a small amount of leak is by high-temperature evaporation, since the leak is visual Change observation system to be connected to the inside of synchronous motor, also has the leak visual inspection that part water vapour enters outside casing It is condensed at room temperature in system, it has also been observed that.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the present invention for the detection warning device of Large Synchronous Machine air-water cooling device leak.
In the figure, it is marked as diversion trench 1, catch basin 2, casing 3, leak visual inspection system 4, vapour-liquid input terminal 5, extraction Pipe 6, transparent observing pipe 7, drainpipe 8, shut-off valve 9, vapour-liquid induction combinde alarms component 10, humidity sensor 11, electrode induction Device 12, air-water cooling device 13.
Specific embodiment
It is that one kind provided by the invention is also found that cooling when enlightenment alert if has not yet been reached in water leakage as shown in Figure 1 The detection warning device for the device leak of Large Synchronous Machine air-water cooling of device leak.The detection warning device includes Diversion trench 1 and the catch basin 2 for being connected to the output of diversion trench 1 end, the diversion trench 1 and the catch basin 2 are uniformly distributed It sets in the casing 3 of the Large Synchronous Machine, the detection warning device further includes leak visual inspection system 4, vapour The leak visual inspection system 4 that liquid input terminal 5 is connected to the trench bottom that catchments is arranged in the machine of the Large Synchronous Machine 3 outside of shell, the micro cooling water of air-water cooling device (13) leakage inputs the leak by the catch basin 2 can Depending on changing in observation system 4.A set of leak visualization sight is arranged by increasing on the basis of existing water leakage alarm system in the application Examining system, and the leak visual inspection system that vapour-liquid input terminal is connected to the trench bottom that catchments is arranged in the large size together On the outside of the casing for walking motor.Since the vapour-liquid input terminal of the leak visual inspection system is connected to the trench bottom that catchments, so working as Can be connected to when thering is leak to enter catch basin into the leak visual inspection system, sky-water cooling described in this way But the micro cooling water of device (13) leakage can also input the leak visual inspection system by the catch basin, real Present water leakage have not yet been reached when enlightening existing alert if still can by observation leak visual inspection system whether Judge with the presence of water cooler whether leak.Even a small amount of leak is seen by high-temperature evaporation since the leak visualizes Examining system is connected to the inside of synchronous motor, also has the leak visual inspection system that part water vapour enters outside casing In condense at room temperature, it has also been observed that.
In above embodiment, the leak visual inspection system 4 be can have a variety of structures, such as simplest structure It is a piece diversion pipe being connected to the bottom of the catch basin 2 of setting, in this way, when there is leak to focus in catch basin 2 When can be flowed out by the diversion pipe, operator, which sees, can judge there is cooler leakage when diversion pipe has water droplet Water.But the harm of this structure is that have dust is entered in motor by the end of diversion pipe, if again with leak knot Although conjunction solves the problems, such as water leakage of cooler, it is easy to appear dust attachment and causes other problems.For this purpose, described herein Leak visual inspection system 4 be set as include fairlead 6 and transparent observing pipe 7 structure, the fairlead 6 protrudes into the machine One end in shell 3 is connected to the bottom of the catch basin 2, and the transparent observing pipe 7 is arranged in a vertical direction in the extraction Pipe 6 is located on one end outside casing 3.At this point, the transparent observing pipe 7 is preferably lucite pipe, transparent organic glass pipe Or transparent glass tube, and along short transverse, graduation mark and warning line are provided on the transparent observing pipe 7.In this way, also It can guarantee that artificial observation can find water leakage situation when alarm system is inactive to greatest extent, and repair in time.
Meanwhile it being ejected for the ease of the leak in catch basin, while dust can be avoided to pass through the leakage to greatest extent again The pipeline of water visual inspection system 4 enters in casing, and leak visual inspection system 4 described herein further includes drainpipe 8 and shut-off valve 9, the drainpipe 8 arranged vertically downwards from the fairlead 6 be located at one end outside casing 3 with should Fairlead 6 is connected to, and the shut-off valve 9 is mounted on the drainpipe 8 and the fairlead 6.
Further, include the defect of alarm lamp and/or alarm speaker in order to improve existing alarm only, guarantee both Make to be still to be able to achieve alarm after the smaller benefit of water leakage flashes to water vapour, detection warning device described herein further includes vapour-liquid Incude combinde alarms component 10, the vapour-liquid induction end of the vapour-liquid induction combinde alarms component 10 is arranged in the catch basin 2 It is interior.Specifically, vapour-liquid induction combinde alarms component 10 described herein includes PLC programmable module, alarm, humidity sense Device 11 and electrode inductor 12 are answered, the humidity sensor 11 is mounted on the inner sidewall of the catch basin 2, the electrode Inductor 12 is suspended on the middle and lower part of 2 inner cavity of catch basin, the alarm, humidity sensor 11 and electrode inductor 12 Data line is connect with the PLC programmable module.The electrode inductor is and criticizes cathode to be connected to by water at this time The setting of alarm lamp and/or alarm speaker;The humidity sensor is the air humidity referred to by induction catch basin Warning message is issued under the cooperation of PLC module.The PLC programmable module and alarm of the application is not shown in figure.
In conclusion also having the benefit that the present apparatus for post people using detection warning device provided by the present application Member just can have found that as switching for unit wins the quality time at the initial stage of water leakage of cooler in time, also vapor be avoided to cause Machine winding dampness.If leak water detdction movement alarm, a large amount of cooling waters pour in glass tube, and the water level in glass tube is higher, Show that a large amount of leakages occur for the cooling water of motor, at this point, post personnel opens eduction valve in time, by the cooling water in catch basin It drains into outside motor, cooling water is avoided to overflow catch basin and enter in motor.
The device is since coming into operation, and leak twice occurred for 9# blower main motor, and post personnel is in water leakage of cooler Initial stage discovery, and be disposed in time by the accident prediction, it both ensure that new three blast fumances direct motion, also retrieved for enterprise huge Loss.
Embodiment one
The present apparatus is the trench bottom piece DN15 steel pipe of welding that catchments in synchronous motor, and steel pipe extends downwardly 100mm, together Motor casing drilling is walked, steel pipe is led to outside synchronous motor, then access valve 1, terminates glass in the outlet of ball valve 1 Pipe, vertically upward, the central horizontal height of glass tube is lower than the catch basin of synchronous motor, the exit lower end of ball valve 1 to glass tube Access valve 2, run in water pipe for the outlet end of ball valve 2, such as Fig. 1.
Several operating statuses of the present apparatus:
1, ball valve 1, ball valve 2 are closed, and the application is isolated and detects the improved structure of warning device.
2, ball valve 1 is opened, and ball valve 2 is closed
Cooling water leakage occurs for 13 any point of synchronous motor air-water cooling device, and cooling water flows after being collected by diversion trench Enter catch basin, since glass tube is lower than the catch basin of synchronous motor, cooling water passes through leak-off pipe quickly and enters glass through ball valve 1 Pipe realizes that 13 leaks of device of 8#, 9# blower synchronous motor air-water cooling are visual.
3, ball valve 1, ball valve 2 are opened
A large amount of leaks occur for synchronous motor air-water cooling device 13, and the cooling water in catch basin passes through leak-off pipe-ball valve 1- Ball valve 2- drainpipe is led to outside motor, and cooling water is avoided to overflow catch basin and enter motor interior.

Claims (7)

1. a kind of detection warning device for Large Synchronous Machine air-water cooling device leak, including diversion trench (1) and it is connected to The catch basin (2) of diversion trench (1) output end, the diversion trench (1) and the catch basin (2) are arranged in described In the casing (3) of Large Synchronous Machine, it is characterised in that: the detection warning device further includes leak visual inspection system (4), the leak visual inspection system (4) that vapour-liquid input terminal (5) is connected to the trench bottom that catchments is arranged in described large-scale same On the outside of the casing (3) for walking motor, the micro cooling water of air-water cooling device (13) leakage is defeated by the catch basin (2) Enter in the leak visual inspection system (4).
2. the detection warning device according to claim 1 for the device leak of Large Synchronous Machine air-water cooling, feature Be: the leak visual inspection system (4) includes fairlead (6) and transparent observing pipe (7), and the fairlead (6) is stretched The one end entered in the casing (3) is connected to the bottom of the catch basin (2), and the transparent observing pipe (7) is along the vertical direction The upward fairlead (6) that is arranged in is located on the one end of casing (3) outside.
3. the detection warning device according to claim 2 for the device leak of Large Synchronous Machine air-water cooling, feature Be: the transparent observing pipe (7) is lucite pipe, transparent organic glass pipe or transparent glass tube, along short transverse, Graduation mark and warning line are provided on the transparent observing pipe (7).
4. the detection warning device according to claim 3 for the device leak of Large Synchronous Machine air-water cooling, feature Be: the leak visual inspection system (4) further includes drainpipe (8) and shut-off valve (9), is arranged vertically downwards The drainpipe (8) be located at the one end of casing (3) outside from the fairlead (6) and be connected to the fairlead (6), in the row The shut-off valve (9) is mounted on water pipe (8) and the fairlead (6).
5. the detection according to any one of claims 1 to 4 for the device leak of Large Synchronous Machine air-water cooling is alarmed Device, it is characterised in that: the detection warning device further includes vapour-liquid induction combinde alarms component (10), the vapour-liquid induction The vapour-liquid induction end of combinde alarms component (10) is arranged in the catch basin (2).
6. the detection warning device according to claim 5 for the device leak of Large Synchronous Machine air-water cooling, feature Be: described vapour-liquid induction combinde alarms component (10) include PLC programmable module, alarm, humidity sensor (11) and Electrode inductor (12), the humidity sensor (11) are mounted on the inner sidewall of the catch basin (2), the electrode sense Device (12) is answered to be suspended on the middle and lower part of the catch basin (2) inner cavity, the alarm, humidity sensor (11) and electrode inductor (12) data line is connect with the PLC programmable module.
7. the detection warning device according to claim 6 for the device leak of Large Synchronous Machine air-water cooling, feature Be: the alarm includes alarm lamp and alarm speaker.
CN201910244194.2A 2019-03-28 2019-03-28 Detection alarm device for water leakage of air-water cooler of large synchronous motor Active CN109900433B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910244194.2A CN109900433B (en) 2019-03-28 2019-03-28 Detection alarm device for water leakage of air-water cooler of large synchronous motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910244194.2A CN109900433B (en) 2019-03-28 2019-03-28 Detection alarm device for water leakage of air-water cooler of large synchronous motor

Publications (2)

Publication Number Publication Date
CN109900433A true CN109900433A (en) 2019-06-18
CN109900433B CN109900433B (en) 2021-08-10

Family

ID=66953116

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910244194.2A Active CN109900433B (en) 2019-03-28 2019-03-28 Detection alarm device for water leakage of air-water cooler of large synchronous motor

Country Status (1)

Country Link
CN (1) CN109900433B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103792045A (en) * 2014-02-19 2014-05-14 国电大渡河瀑布沟发电有限公司 Water leakage monitoring and controlling system for air coolers of power generator
CN104678791A (en) * 2013-12-03 2015-06-03 国家电网公司 Monitoring equipment and system for electrical distribution facility
CN204705443U (en) * 2015-06-25 2015-10-14 新特能源股份有限公司 A kind of for detecting the device carrying and leak in the solenoid valve of position
CN106323561A (en) * 2015-07-08 2017-01-11 湖北三宁化工股份有限公司 Cooler on-line leakage detection system
CN106932147A (en) * 2015-12-30 2017-07-07 核动力运行研究所 A kind of hoop type flange leakage monitor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104678791A (en) * 2013-12-03 2015-06-03 国家电网公司 Monitoring equipment and system for electrical distribution facility
CN103792045A (en) * 2014-02-19 2014-05-14 国电大渡河瀑布沟发电有限公司 Water leakage monitoring and controlling system for air coolers of power generator
CN204705443U (en) * 2015-06-25 2015-10-14 新特能源股份有限公司 A kind of for detecting the device carrying and leak in the solenoid valve of position
CN106323561A (en) * 2015-07-08 2017-01-11 湖北三宁化工股份有限公司 Cooler on-line leakage detection system
CN106932147A (en) * 2015-12-30 2017-07-07 核动力运行研究所 A kind of hoop type flange leakage monitor

Also Published As

Publication number Publication date
CN109900433B (en) 2021-08-10

Similar Documents

Publication Publication Date Title
CN204583795U (en) A kind of mould pipeline washing device
CN201852520U (en) Thermal state flushing device of direct air cooling system in thermal power plant
CN109900433A (en) Detection warning device for Large Synchronous Machine air-water cooling device leak
CN105223201A (en) A kind of water quality remote observation device
CN104819658A (en) Device for controlling water level of pool of cooling tower
CN202433159U (en) Water leakage monitoring device for air-water cooler of turbine generator
CN203948250U (en) The anti-liquid impact apparatus of a kind of compressor and refrigeration air-conditioner
CN105220763B (en) A kind of integrated prefabricated pumping plant of intelligent direct burial lasted a long time
CN205586961U (en) Low low pressure steam of alkane dehydrogenation device water saving system that condenses
CN204365096U (en) A kind of condensate recycling device
CN105200177B (en) Blast-furnace cooled water positioning leakage inspector
CN209652179U (en) Furnace slag granulating system
CN205784828U (en) A kind of small-sized front-end end enclosure bobbin carriage cleaning machine
CN206801930U (en) Leakage alarm sealing device
CN205825358U (en) A kind of air conditioner water flowing water matter observation window
CN209541134U (en) A kind of clean drainage arrangement of fan coil
CN205859124U (en) Reducer gear case cooling petrol station
CN105823371A (en) Small-sized front end seal head channel box cleaning machine
CN107270131A (en) A kind of gas pipeline drainer with overvoltage protector
CN204147649U (en) A kind of anhydrous condensation vacuum oil purifier
CN101615331B (en) Water leakage alarm device for generator
CN204932873U (en) Lower header EGR and control system on dry-ice machine
CN203908395U (en) Rubber ball cleaning system
CN108838565B (en) Optical fiber laser water chiller
CN205959088U (en) Water pitcher automatic drainage control system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant