CN206399598U - A kind of cooler module leak detecting device - Google Patents
A kind of cooler module leak detecting device Download PDFInfo
- Publication number
- CN206399598U CN206399598U CN201621452286.8U CN201621452286U CN206399598U CN 206399598 U CN206399598 U CN 206399598U CN 201621452286 U CN201621452286 U CN 201621452286U CN 206399598 U CN206399598 U CN 206399598U
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- Prior art keywords
- electrode
- alarm
- cooler module
- detector control
- core
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 19
- 239000000919 ceramic Substances 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 13
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- MXWHMTNPTTVWDM-NXOFHUPFSA-N mitoguazone Chemical compound NC(N)=N\N=C(/C)\C=N\N=C(N)N MXWHMTNPTTVWDM-NXOFHUPFSA-N 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a kind of cooler module leak detecting device, including warning device, leak detector control cabinet, cable, electrode cores, it is arranged on first electrode and second electrode on the floor of cooler module flue, wherein, an electrode cores are respectively connected with first electrode and second electrode and electrode cores are exposed on floor, first electrode, second electrode and electrode cores and floor insulation, leak detector control cabinet is connected by cable with first electrode and second electrode, leak detector control cabinet is connected with warning device signal, when cooler module is leaked, the water of leakage can be mixed to form conducting medium with the ash in cooler module flue, conducting medium is short-circuit by first electrode and second electrode, its short-circuit signal delivers to leak detector control cabinet by cable, the control warning device alarm of leak detector control cabinet.
Description
Technical Field
The utility model relates to a leak testing technical field especially relates to a cooler module leak testing device.
Background
The loss of the exhaust smoke is the most important heat loss in the operation of the boiler and accounts for 60 to 70 percent of the heat loss of the boiler. In general, the heat loss of the exhaust gas is increased by 0.6-1.0% when the exhaust gas temperature is increased by 10 ℃. The exhaust gas temperature of a boiler in an active thermal power generating unit in China is generally about 125-150 ℃, and the phenomenon that the actual exhaust gas temperature is higher than the design value is common. The boiler exhaust gas temperature is high, so that the boiler efficiency can be reduced, the water consumption of the desulfurizing tower can be increased, the efficiency of the dust remover can be reduced, and the like. The exhaust gas temperature of a plurality of boilers of the thermal power plant in China exceeds the design value. In order to reduce the temperature of the discharged smoke, reduce the loss of the discharged smoke and improve the heat economy of the unit, the technology of absorbing and utilizing the waste heat of the smoke by a low-temperature economizer is widely concerned in the thermal power industry.
Energy conservation and emission reduction of large-scale thermal power generating units are important national policies of the country at present, in recent years, along with strict requirements of national energy conservation and emission reduction indexes and rising fluctuation of coal prices, coal-based power generation cost is increasing day by day, each power plant faces huge pressure of energy conservation, new technology and new method for reducing coal consumption are sought, and related capital investment is increased. Aiming at the problems faced by the existing power plant, the existing power plant flue gas waste heat utilization mode mainly adopts a low-temperature economizer system and an MGGH system.
Most of the low-temperature economizer system and the MGGH system arrange the cooler module at the position of a flue in front of an inlet of the dust remover, and the dust particle content in the flue at the position is large, so that the cooler module is seriously washed, and leakage is easily caused. Leaked circulating water can easily flow into the dust remover to cause dust remover accidents, and immeasurable economic loss and certain social influence are caused by non-stop of the unit.
Therefore, how to provide a leakage detection device for a cooler module to realize timely feedback of detection conditions, reduce unit operation risks and increase unit operation reliability is a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a cooler module leak testing device to the realization is in time with the detection condition feedback, reduces unit operational risk, has increased group operational reliability.
In order to achieve the above object, the utility model provides a following technical scheme:
a leakage detection device for a cooler module comprises an alarm device, a leak detector control box, a cable, an electrode core, a first electrode and a second electrode, wherein the first electrode and the second electrode are arranged on the floor of a flue of the cooler module, the electrode core is connected with one of the first electrode and the second electrode and exposed out of the floor, the first electrode, the second electrode and the electrode core are insulated from the floor, the leak detector control box is connected with the first electrode and the second electrode through the cable, the leak detector control box is in signal connection with the alarm device, when the cooler module leaks, leaked water is mixed with ash in the flue of the cooler module to form a conductive medium, the conductive medium short-circuits the first electrode and the second electrode, and a short-circuit signal of the conductive medium is sent to the leak detector control box through the cable, and the leak detector control box controls the alarm device to alarm.
Preferably, the alarm device comprises a remote alarm and a local alarm, wherein the remote alarm is used for remotely informing a machine set operator to alarm through a signal line, and the local alarm is used for setting the alarm device for alarming at the incident place.
Preferably, the alarm device is a light alarm device.
Preferably, the alarm device is an audible alarm device.
Preferably, the first electrode is the same as the second electrode in structure, and comprises an electrode inner core, a ceramic protective sleeve, an insulating layer and an outer sheath, wherein the top of the electrode inner core is in threaded connection with the electrode core, the insulating layer is arranged on the electrode inner core, the ceramic protective sleeve is arranged on the insulating layer and abutted against the electrode core, and the outer sheath is arranged on the ceramic protective sleeve.
Preferably, the insulating layer is made of polytetrafluoroethylene.
Preferably, the electrode core is made of stainless steel.
The utility model provides a leak detection device of cooler module, including alarm device, the leak detector control box, the cable, the electrode core, first electrode and second electrode of setting on the floor of cooler module flue, wherein, respectively be connected with an electrode core and electrode core on first electrode and the second electrode and expose on the floor, first electrode, second electrode and electrode core and floor are insulating, the leak detector control box passes through the cable and is connected with first electrode and second electrode, leak detector control box and alarm device signal connection, when the cooler module leaks, the water of leaking can form the dielectric medium with the ash mixture in the cooler module flue, the dielectric medium is with first electrode and second electrode short circuit, its short circuit signal sends to the leak detector control box through the cable, leak detector control box control alarm device reports to the police.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a leak detection device for a cooler module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first electrode according to an embodiment of the present invention;
fig. 3 is a schematic structural view of the linkage alarm provided by the embodiment of the present invention.
In the above FIGS. 1-3:
the device comprises a first electrode 1, a floor 11, threads 12, a ceramic protective sleeve 13, an insulating layer 14, an outer sheath 15, a second electrode 2, an electrode core 3, a conductive medium 4, a cable 5, a leak detector control box 6, a DCS device 7, a relay normally open contact 8 and a relay normally open contact 9.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 3, fig. 1 is a schematic structural diagram of a leak detection device for a cooler module according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a first electrode according to an embodiment of the present invention; fig. 3 is a schematic structural view of the linkage alarm provided by the embodiment of the present invention.
The cooler module leakage detection device provided by the embodiment of the utility model comprises an alarm device, a leak detector control box 6, a cable 5, an electrode core 3, a first electrode 1 and a second electrode 2 which are arranged on a floor 11 of a cooler module flue, wherein, the first electrode 1 and the second electrode 2 are respectively connected with an electrode core 3, the electrode core 3 is exposed on the floor 11, the first electrode 1, the second electrode 2 and the electrode core 3 are insulated with the floor 11, the leak detector control box 6 is connected with the first electrode 1 and the second electrode 2 through a cable 5, the leak detector control box 6 is connected with an alarm device through signals, when the cooler block leaks, the leaking water will mix with the ash in the flue of the cooler block to form a conductive medium 4, the conductive medium 4 short-circuiting the first electrode 1 and the second electrode 2, the short circuit signal is sent to a leak detector control box 6 through a cable 5, and the leak detector control box 6 controls an alarm device to give an alarm.
Specifically, because the unit is when operation, there is a large amount of deposition in arranging the flue of cooler module, when the cooler module is revealed, a large amount of water that leaks out gathers on flue floor 11 and mixes together with the deposition, its mixture conductivity increases, the resistance is less, short circuit between two electrode cores 3 when being full of conducting medium 4 between first electrode 1 and second electrode 2, then the back is detected to the leak hunting module in the leak hunting appearance control box 6 that corresponds, the pilot lamp is lighted on the local control box, another way alarm signal then sends to in the centralized control room DCS device 7 picture on, in order to remind the operating personnel this department to have the leakage, need in time to handle.
In order to further optimize the scheme, the alarm device comprises a remote alarm and a local alarm, wherein the remote alarm is used for remotely informing a machine set operator to alarm through a signal line, and the local alarm is used for setting the alarm device for alarming at the incident place. The remote alarm and the local alarm are linkage alarms, referring to fig. 3, the simultaneous alarms can be realized, specifically, the control principle is that 4 paths of control power supplies are adopted, a leak detector control box 6 is connected with a 220VAC power supply, and a transformer is controlled to be converted into a 24VDC power supply through TA1 to be used as the control power supply. After a leak detection module TM in the leak detector control box 6 detects a leak signal, auxiliary contacts J6-J8 are closed, electric appliances K1-K4 are electrified after J6-J8 are closed, the auxiliary contacts are closed after K1-K4 are electrified, normally open contacts 6 of K1-K4 relays are opened, and after 10 are closed, a panel indicator lamp of the leak detector control box 6 is turned on to give out audible and visual alarm. Normally open contacts 8 and 9 of the K1-K4 relays are closed, closed signals are sent to a DCS device 7 of the centralized control room through cables, and display and alarm are carried out on an operator station of an operator. TM is a core leak detection module in a leak detector control box 6, and sends a signal to a set DCS device 7 after analysis and judgment through local sending and operational amplification treatment. The TM leak detection module has a continuously adjustable function and can enhance the signal amplification intensity. Specifically, the alarm device may also be a light alarm device or a sound alarm device.
In order to further optimize the scheme, the first electrode 1 and the second electrode 2 are identical in structure, the first electrode 1 comprises an electrode inner core, a ceramic protective sleeve 13, an insulating layer 14 and an outer sheath 15, wherein the top of the electrode inner core is connected with the electrode core 3 through threads 12, the electrode core 3 can be disassembled and replaced through the threads 12, maintenance and repair are facilitated, the insulating layer 14 is sleeved on the electrode inner core, the ceramic protective sleeve 13 is sleeved on the insulating layer 14 and abutted against the electrode core 3, the ceramic protective sleeve has the function of being adjustable up and down and can penetrate into a flue, shielding of some measurement interference items can be achieved through adjustment of the ceramic protective sleeve 13, measurement reliability of the ceramic protective sleeve is enhanced, the outer sheath 15 is sleeved on the ceramic protective sleeve 13, and the outer sheath 15 is an outer sheath pipe. The insulating layer 14 is made of polytetrafluoroethylene, and the electrode core 3 is made of stainless steel.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A leakage detection device of a cooler module is characterized by comprising an alarm device, a leak detector control box, a cable, an electrode core, a first electrode and a second electrode which are arranged on the floor of a flue of the cooler module,
wherein the first electrode and the second electrode are respectively connected with one electrode core, and the electrode cores are exposed on the floor,
the first electrode, the second electrode and the electrode core are insulated from the floor,
the leak detector control box is connected with the first electrode and the second electrode through the cable,
the leak detector control box is in signal connection with the alarm device,
when the cooler module leaks, leaked water and ash in a flue of the cooler module are mixed to form a conductive medium, the conductive medium enables the first electrode and the second electrode to be in short circuit, a short circuit signal of the conductive medium is sent to the leak detector control box through the cable, and the leak detector control box controls the alarm device to give an alarm.
2. The chiller module leak detection apparatus of claim 1, wherein the alarm means comprises a remote alarm and an on-site alarm,
the remote alarm is used for remotely informing a machine set operator to alarm through a signal line,
the local alarm is an alarm device arranged at the incident place for alarming.
3. The chiller module leak detection apparatus of claim 2, wherein the alarm device is a light alarm device.
4. The chiller module leak detection apparatus of claim 2, wherein the alarm device is an audible alarm device.
5. The cooler module leak detection apparatus of claim 1, wherein the first electrode and the second electrode are identical in structure,
the first electrode comprises an electrode inner core, a ceramic protective sleeve, an insulating layer and an outer sheath,
wherein,
the top of the electrode inner core is in threaded connection with the electrode core,
the insulating layer is sleeved on the electrode inner core,
the ceramic protective sleeve is sleeved on the insulating layer and is abutted against the electrode core,
the outer sheath is sleeved on the ceramic protective sleeve.
6. The chiller module leak detection apparatus of claim 5, wherein the insulating layer is a polytetrafluoroethylene material.
7. The cooler module leak detection device of claim 1, wherein the electrode core is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621452286.8U CN206399598U (en) | 2016-12-27 | 2016-12-27 | A kind of cooler module leak detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621452286.8U CN206399598U (en) | 2016-12-27 | 2016-12-27 | A kind of cooler module leak detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206399598U true CN206399598U (en) | 2017-08-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621452286.8U Withdrawn - After Issue CN206399598U (en) | 2016-12-27 | 2016-12-27 | A kind of cooler module leak detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206399598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768656A (en) * | 2016-12-27 | 2017-05-31 | 烟台龙源电力技术股份有限公司 | A kind of cooler module leak detecting device |
-
2016
- 2016-12-27 CN CN201621452286.8U patent/CN206399598U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768656A (en) * | 2016-12-27 | 2017-05-31 | 烟台龙源电力技术股份有限公司 | A kind of cooler module leak detecting device |
| CN106768656B (en) * | 2016-12-27 | 2023-06-30 | 烟台龙源电力技术股份有限公司 | Cooler module leakage detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170811 Effective date of abandoning: 20230630 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170811 Effective date of abandoning: 20230630 |