CN105953988B - Boiler and its heating surface inner leakage detection method and device - Google Patents
Boiler and its heating surface inner leakage detection method and device Download PDFInfo
- Publication number
- CN105953988B CN105953988B CN201610371530.6A CN201610371530A CN105953988B CN 105953988 B CN105953988 B CN 105953988B CN 201610371530 A CN201610371530 A CN 201610371530A CN 105953988 B CN105953988 B CN 105953988B
- Authority
- CN
- China
- Prior art keywords
- boiler
- heating surface
- flue gas
- discharging pipe
- smoke discharging
- 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.)
- Active
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 157
- 238000001514 detection method Methods 0.000 title claims abstract description 45
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 116
- 239000003546 flue gas Substances 0.000 claims abstract description 116
- 239000000779 smoke Substances 0.000 claims description 67
- 239000012716 precipitator Substances 0.000 claims description 66
- 238000007599 discharging Methods 0.000 claims description 62
- 230000005684 electric field Effects 0.000 claims description 30
- 238000007664 blowing Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 10
- 235000019504 cigarettes Nutrition 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000007689 inspection Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
Abstract
The invention discloses a kind of boiler and its heating surface inner leakage detection method and devices.The heating surface inner leakage detection method of boiler includes：Detect the moisture concentration of the flue gas of the heating surface generation of boiler；Judge whether the moisture concentration for the flue gas that the heating surface of boiler generates is more than preset concentration threshold value；And if it is judged that the moisture concentration for the flue gas that the heating surface of boiler generates is more than preset concentration threshold value, it is determined that interior leakage occurs for the heating surface of boiler.Through the invention, solve the problems, such as whether the heating surface of detection boiler in the related technology occurs interior leakage not in time.
Description
Technical field
The present invention relates to field of boilers, in particular to a kind of boiler and its heating surface inner leakage detection method and device.
Background technology
Boiler heating surface is the body part of boiler, including four water-cooling wall, superheater, reheater, economizer parts, this
Four part abbreviation boiler blastings, boiler blasting and drum collectively constitute " pot " of boiler.The effect of " pot " of boiler is just
It is that the chemical energy of coal, oil is changed into thermal energy, the water in heating " pot ", to generate the required overheat of industry by hearth combustion
Steam.According to statistics, in the reason of boiler shutdown accident occurs, the reason of leakage leads to boiler breakdowns in heating surface, accounts for 70%, pot
Leakage long-standing problem the trouble free service of boiler in the heating surface of stove.If boiler heating surface leaks in occurring, small leakage is in the early stage
It is difficult to find, leakage over time can gradually increase, and after leakage rate increase, heating surface leaks the carbonated drink meeting generated
Heating surface piping near leakage is blown brokenly, the damage of heating surface and defect is made to expand, causes to overhaul difficulty and workload increases, draw
Play larger economic loss.
Whether current detection boiler heating surface occurs there are mainly two types of the methods of interior leakage：(1) feedwater flow of boiler is detected
The numerical value for the steam flow that the numerical value of meter is generated with boiler, calculates the inatheadearomatizationazone detected, passes through the inatheadearomatizationazone detected
Comparison with the inatheadearomatizationazone under conventional sense judges whether heating surface leaks；(2) pass through experienced boiler operatiopn
Worker is during inspection by listening whether clave has exception to judge whether heating surface is let out in the external listening of boiler
Leakage.When slight leakage occurs inside boiler heating surface for first method, from the numerical value and boiler of the feed meter of boiler
It is difficult to judge on the ratio of the numerical value of the steam flow of generation, because the metering of flow has large error, the numerical value of two flows
When relatively large deviation occurs for ratio, leakage rate is very big, cannot find micro-leakage in time.Second method then leans on worker's
Personal experience is unable to accurate judgement, once obviously hearing sound, leakage quantity is larger, and boiler body heating surface is huge, inspection
Heavy workload is looked into, cannot detect that some position leaks in time.
Interior the problem of leaking not in time whether occurs for the heating surface of detection boiler in the related technology, not yet proposes have at present
The solution of effect.
Invention content
The main purpose of the present invention is to provide a kind of boiler and its heating surface inner leakage detection method and devices, to solve phase
Whether the heating surface that boiler is detected in the technology of pass occurs interior the problem of leaking not in time.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of heating surface inner hexagon of boiler
Method.This method includes：Detect the moisture concentration of the flue gas of the heating surface generation of boiler；Judge the cigarette that the heating surface of boiler generates
Whether the moisture concentration of gas is more than preset concentration threshold value；And if it is judged that the moisture for the flue gas that the heating surface of boiler generates is dense
Degree is more than preset concentration threshold value, it is determined that interior leakage occurs for the heating surface of boiler.
Further, boiler is provided with smoke discharging pipe, and smoke discharging pipe is used to be discharged the flue gas that the heating surface of boiler generates, inspection
Surveying the moisture concentration of flue gas that the heating surface of boiler generates includes：The moisture concentration of the flue gas in the smoke discharging pipe of boiler is detected,
Judge the flue gas that the heating surface of boiler generates moisture concentration whether more than preset concentration threshold value include：Judge the smoke exhaust pipe of boiler
Whether the moisture concentration of the flue gas in road is more than preset concentration threshold value, wherein if it is judged that the cigarette in the smoke discharging pipe of boiler
The moisture concentration of gas is more than preset concentration threshold value, it is determined that the moisture concentration for the flue gas that the heating surface of boiler generates is more than default dense
Spend threshold value.
Further, it is provided with electric precipitator on the access of the smoke discharging pipe of boiler, for generating electrostatic will enter
Adsorbing powder dust in the flue gas of electric precipitator detects the moisture of the flue gas in the smoke discharging pipe of boiler on the inner wall of electric precipitator
Concentration includes：Detect electric precipitator electric parameter, judge the flue gas in the smoke discharging pipe of boiler moisture concentration whether be more than
Preset concentration threshold value includes：Judge whether the electric parameter of electric precipitator is more than preset parameter range, wherein if it is judged that electricity
The electric parameter of deduster is more than preset parameter range, it is determined that the moisture concentration of the flue gas in the smoke discharging pipe of boiler is more than pre-
If concentration threshold.
Further, the electric parameter for detecting electric precipitator includes：The secondary voltage value for detecting electric precipitator, judges that electricity removes
The electrical parameter of dirt device whether more than preset parameter range include：Judge whether the secondary voltage value of electric precipitator is more than predeterminated voltage
Threshold value, wherein if it is judged that the secondary voltage value of electric precipitator is more than predetermined voltage threshold, it is determined that the electricity ginseng of electric precipitator
Number is more than preset parameter range.
Further, electric precipitator generates multiple electric fields, and the secondary voltage value for detecting electric precipitator includes：It detects respectively more
The secondary voltage value of a electric field, judge electric precipitator secondary voltage value whether more than predetermined voltage threshold include：Judge respectively
Whether the secondary voltage value of each electric field is more than the corresponding predetermined voltage threshold of each electric field in multiple electric fields, obtains multiple judgements
As a result, wherein multiple judging results are respectively whether the secondary voltage value of each electric field in multiple electric fields is more than each electric field pair
The result for the predetermined voltage threshold answered；Judge whether multiple judging results meet leakage condition in heating surface, wherein if it is judged that
Multiple judging results meet leakage condition in heating surface, it is determined that interior leakage occurs for the heating surface of boiler.
Further, smoke discharging pipe is additionally operable to the flue gas of discharge steam blowing, the leakage in the heating surface for determining boiler occurs
Before, this method further includes：Judge whether the flue gas in the smoke discharging pipe of boiler includes the flue gas of steam blowing, wherein if
Judge that the flue gas in the smoke discharging pipe of boiler does not include the flue gas of steam blowing, it is determined that interior leakage occurs for the heating surface of boiler.
Further, in the heating surface for determining boiler occurs after leakage, this method further includes：Police is failed to report in sending out,
In, it inside fails to report the police heating surface in prompt boiler and interior leakage occurs.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of heating surface inner hexagon of boiler
Device.The device includes：Detection unit, the moisture concentration for the flue gas that the heating surface for detecting boiler generates；Judging unit is used
In judge boiler heating surface generate flue gas moisture concentration whether be more than preset concentration threshold value；And determination unit, it is used for
The heating surface hair of boiler is determined when the moisture concentration for the flue gas that the heating surface for judging boiler generates is more than preset concentration threshold value
Leakage in raw.
Further, boiler is provided with smoke discharging pipe, and smoke discharging pipe is used to be discharged the flue gas that the heating surface of boiler generates, inspection
Surveying unit includes：Detection module, the moisture concentration of the flue gas in smoke discharging pipe for detecting boiler, judging unit include：Sentence
Whether the moisture concentration of disconnected module, the flue gas in smoke discharging pipe for judging boiler is more than preset concentration threshold value, determination unit
Including：Determining module, when the moisture concentration for the flue gas in the smoke discharging pipe for judging boiler is more than preset concentration threshold value,
Determine that the moisture concentration for the flue gas that the heating surface of boiler generates is more than preset concentration threshold value.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of boiler.The boiler includes the present invention
Boiler heating surface inner hexagon device.
The moisture concentration for the flue gas that the present invention is generated by the heating surface of detection boiler；Judge what the heating surface of boiler generated
Whether the moisture concentration of flue gas is more than preset concentration threshold value；And if it is judged that boiler heating surface generate flue gas moisture
Concentration is more than preset concentration threshold value, it is determined that the heating surface of boiler occur in leakage, solve detection boiler in the related technology by
The problem of whether hot face occurs interior leakage not in time, and then whether the heating surface for having reached timely detection boiler occurs interior leakage effect.
Description of the drawings
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of the heating surface inner leakage detection method of boiler according to the ... of the embodiment of the present invention；
Fig. 2 is the schematic diagram of the heating surface inner hexagon device of boiler according to a first embodiment of the present invention；And
Fig. 3 is the schematic diagram of the heating surface inner hexagon device of boiler according to a second embodiment of the present invention.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application are clearly and completely described, it is clear that described embodiment is only
The embodiment of the application part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model of the application protection
It encloses.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so as to embodiments herein described herein.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps or unit
Process, method, system, product or equipment those of are not necessarily limited to clearly to list step or unit, but may include without clear
It is listing to Chu or for these processes, method, product or equipment intrinsic other steps or unit.
The embodiment provides a kind of heating surface inner leakage detection methods of boiler.
Fig. 1 is the flow chart of the heating surface inner leakage detection method of boiler according to the ... of the embodiment of the present invention.As shown in Figure 1, should
Method includes the following steps：
Step S101 detects the moisture concentration of the flue gas of the heating surface generation of boiler.
When interior leakage occurs for boiler heating surface, the moisture in the flue gas of the heating surface generation of boiler can obviously increase, and pass through inspection
It surveys moisture in flue gas to change, can directly find boiler heating surface leakage.Detect the moisture of the flue gas of the heating surface generation of boiler
Concentration can be that moisture concentration detection sensor is arranged in the exit of the smoke discharging pipe of boiler, and the heating surface for detecting boiler generates
Flue gas in moisture concentration, can also be by other indirect modes detect boiler heating surface generate flue gas moisture
Concentration.
Step S102 judges whether the moisture concentration for the flue gas that the heating surface of boiler generates is more than preset concentration threshold value.
After the moisture concentration for the flue gas that the heating surface of detection boiler generates, the flue gas that the heating surface of boiler generates is judged
Moisture concentration whether be more than preset concentration threshold value.The heated of the boiler detected can be received by units such as central processing units
The moisture concentration for the flue gas that face generates judges whether the moisture concentration for the flue gas that the heating surface of boiler generates is more than preset concentration threshold
Value, and export a judging result.Preset concentration threshold value can be a preset threshold value, which can be as the case may be
It presets and adjusts, the referential data whether excessively high as moisture concentration is judged.
Step S103, if it is judged that the moisture concentration for the flue gas that the heating surface of boiler generates is more than preset concentration threshold value,
Then determine that the heating surface of boiler leaks in occurring.Preferably, interior leakage can be sent out in the heating surface for determining boiler occurs after leakage
Alarm, wherein inside fail to report the police heating surface in prompt boiler and interior leakage occurs.It can be by voice signal, light inside to fail to report police
The forms such as signal are alarmed.
Boiler is provided with smoke discharging pipe, and smoke discharging pipe is used to be discharged the flue gas that the heating surface of boiler generates.As the implementation
One preferred embodiment of example, the moisture concentration for detecting the flue gas of the heating surface generation of boiler can be the smoke exhaust pipe for detecting boiler
Whether the moisture concentration of the moisture concentration of the flue gas in road, the flue gas in smoke discharging pipe by judging boiler is more than preset concentration
Threshold value come determine boiler heating surface generate flue gas moisture concentration whether be more than preset concentration threshold value, wherein if it is determined that
The moisture concentration for going out the flue gas in the smoke discharging pipe of boiler is more than preset concentration threshold value, it is determined that the cigarette that the heating surface of boiler generates
The moisture concentration of gas is more than preset concentration threshold value, that is, determining that the heating surface of boiler leaks in occurring.
Since smoke discharging pipe is additionally operable to the flue gas of discharge steam blowing, in above-mentioned preferred embodiment, in determination
Before interior leakage occurs for the heating surface of boiler, it can also first judge whether the flue gas in the smoke discharging pipe of boiler includes steam blowing
Flue gas.The case where flue gas in the smoke discharging pipe of boiler includes the flue gas of steam blowing includes executing normal steam blowing flow
The case where and steam blowing door there is a situation where leak.
In the heating surface for determining boiler occurs before leakage, judge whether the flue gas in the smoke discharging pipe of boiler includes steam
The flue gas of purging then is judging to take the dish out of the pot if it is judged that the flue gas in the smoke discharging pipe of boiler does not include the flue gas of steam blowing
The moisture concentration of flue gas in the smoke discharging pipe of stove is more than leakage in the heating surface generation for after preset concentration threshold value, determining boiler.
If it is judged that the flue gas in the smoke discharging pipe of boiler includes the flue gas of steam blowing, then not according in the smoke discharging pipe of boiler
Whether the moisture concentration of flue gas determines whether the heating surface of boiler occurs interior leakage more than preset concentration threshold value.
Judge the flue gas in the smoke discharging pipe of boiler whether the flue gas comprising steam blowing can be connection to send out instruction and hold
The control signal of row steam blowing, when it is that control executes steam blowing to control signal, not according in the smoke discharging pipe of boiler
Whether the moisture concentration of flue gas determines whether the heating surface of boiler occurs interior leakage more than preset concentration threshold value.Judge the row of boiler
Whether the flue gas comprising steam blowing can also be by detecting whether steam blowing door leaks, such as flue gas in smoke pipeline
Whether fruit leaks, then do not determined more than preset concentration threshold value according to the moisture concentration of the flue gas in the smoke discharging pipe of boiler
Whether the heating surface of boiler occurs interior leakage.
Electric precipitator can be provided on the access of the smoke discharging pipe of boiler, electric precipitator is for generating electrostatic will enter
Adsorbing powder dust in the flue gas of electric precipitator is on the inner wall of electric precipitator.A preferred implementation as above preferred embodiment
Scheme, the moisture concentration for detecting the flue gas in the smoke discharging pipe of boiler can be the electric parameter for detecting electric precipitator, by sentencing
Power off deduster electric parameter whether the flue gas in the smoke discharging pipe more than preset parameter range to judge boiler moisture it is dense
Whether degree is more than preset concentration threshold value, wherein if it is judged that the electric parameter of electric precipitator is more than preset parameter range, then really
The moisture concentration for determining the flue gas in the smoke discharging pipe of boiler is more than preset concentration threshold value, that is, determining that the heating surface of boiler occurs
Interior leakage.The electric parameter of electric precipitator includes the primary voltage value of electric precipitator, primary current value, secondary voltage value, secondary electricity
Flow valuve etc..Electric precipitator is usually provided with electric parameter detection device, and the electric parameter for detecting electric precipitator therefore can
To be connected by the electric parameter detection device directly with electric precipitator, reception electric parameter detection device detects electrical
Parameter.
Preferably, in above-mentioned preferred embodiment, the electric parameter for detecting electric precipitator is detect electric precipitator two
Secondary voltage value, by judge electric precipitator secondary voltage value whether more than predetermined voltage threshold come judge electric precipitator electricity join
Whether number is more than preset parameter range, wherein if it is judged that the secondary voltage value of electric precipitator is more than predetermined voltage threshold, then
Determine that the electrical parameter of electric precipitator is more than preset parameter range, that is, determining that the heating surface of boiler leaks in occurring.
For boiler in normal operation, electric precipitator generates electric field, and the secondary voltage value of electric precipitator electrostatic field generally remains
At 40 kilovolts or so, when interior leakage occurs for boiler heating surface, the moisture in boiler smoke can obviously increase, due to the object of hydrone
Characteristic is managed, the interelectrode capacity of electric precipitator can be made to increase, the secondary voltage of electric precipitator is caused to increase automatically, therefore, Ke Yitong
It crosses and judges whether the secondary voltage value of electric precipitator judges whether the heating surface of boiler occurs interior leakage more than predetermined voltage threshold.
It, can when the secondary voltage value detected is higher than the secondary voltage value of corresponding electric precipitator under the various accidental conditions of boiler
To determine that the heating surface of boiler leaks in occurring.Predetermined voltage threshold is preset voltage threshold, can be by many experiments or
Experience is come preset.
Electric precipitator generally includes multiple electric precipitation rooms, can generate multiple electric fields, it is preferable that detects the two of electric precipitator
Secondary voltage value can be the secondary voltage value for detecting multiple electric fields respectively, judge the secondary electricity of each electric field in multiple electric fields respectively
Whether pressure value is more than the corresponding predetermined voltage threshold of each electric field, obtains multiple judging results, wherein multiple judging result difference
For each electric field in multiple electric fields secondary voltage value whether be more than the corresponding predetermined voltage threshold of each electric field result；Judge
Whether multiple judging results meet leakage condition in heating surface, wherein if it is judged that multiple judging results meet leakage in heating surface
Condition, it is determined that interior leakage occurs for the heating surface of boiler.
For example, generating the electric precipitator of four electric fields, after the secondary voltage value for detecting four electric fields respectively, the is obtained
One secondary voltage value, second secondary voltage value, third secondary voltage value and the 4th secondary voltage value are judged respectively in four electric fields
Whether the secondary voltage value of each electric field is more than the corresponding predetermined voltage threshold of each electric field, that is, judging the first secondary voltage
Whether value obtains first judging result more than the first predetermined voltage threshold；Judge whether second secondary voltage value is pre- more than second
If voltage threshold, the second judging result is obtained；Whether third secondary voltage value is more than third predetermined voltage threshold, obtains third and sentences
Disconnected result；Whether 4th secondary voltage value obtains fourth judging result more than the 4th predetermined voltage threshold.Leakage condition in heating surface
For in four judging results if being to be more than there are three judging result, it is determined that the heating surface of boiler occur in leakage.
The heating surface inner leakage detection method for the boiler that the embodiment provides, the flue gas that the heating surface by detecting boiler generates
Moisture concentration；Judge whether the moisture concentration for the flue gas that the heating surface of boiler generates is more than preset concentration threshold value；And if
Judge that the moisture concentration for the flue gas that the heating surface of boiler generates is more than preset concentration threshold value, it is determined that the heating surface of boiler occurs
Interior leakage, solves the problems, such as whether the heating surface of detection boiler in the related technology occurs interior leakage not in time, and then has reached timely
Whether the heating surface of detection boiler occurs interior leakage effect.
It should be noted that step shown in the flowchart of the accompanying drawings can be in such as a group of computer-executable instructions
It is executed in computer system, although also, logical order is shown in flow charts, and it in some cases, can be with not
The sequence being same as herein executes shown or described step.
The embodiments of the present invention also provide a kind of heating surface inner hexagon devices of boiler.It should be noted that this hair
The heating surface inner hexagon device of the boiler of bright embodiment can be used for executing the heating surface inner hexagon side of the boiler of the present invention
Method.
Fig. 2 is the schematic diagram of the heating surface inner hexagon device of boiler according to a first embodiment of the present invention.Such as Fig. 2 institutes
Show, which includes detection unit 10, judging unit 20 and determination unit 30.
Detection unit 10 is used to detect the moisture concentration of the flue gas of the heating surface generation of boiler.Judging unit 20 is for judging
Whether the moisture concentration for the flue gas that the heating surface of boiler generates is more than preset concentration threshold value.Determination unit 30 is used to judge to take the dish out of the pot
The moisture concentration for the flue gas that the heating surface of stove generates determines that the heating surface of boiler leaks in occurring when being more than preset concentration threshold value.
The heating surface inner hexagon device for the boiler that the embodiment provides detects the heating surface of boiler by detection unit 10
The moisture concentration of the flue gas of generation；Judging unit 20 judges whether the moisture concentration for the flue gas that the heating surface of boiler generates is more than pre-
If concentration threshold；Determination unit 30 is more than preset concentration threshold value in the moisture concentration for the flue gas that the heating surface for judging boiler generates
When determine boiler heating surface occur in leakage, solve in the related technology detection boiler heating surface whether occur it is interior leakage not in time
The problem of, and then whether the heating surface for having reached timely detection boiler occurs interior leakage effect.
As a preferred embodiment of the embodiment, detection unit 10 includes detection module, and detection module is for detecting
The moisture concentration of flue gas in the smoke discharging pipe of boiler, wherein boiler is provided with smoke discharging pipe, and smoke discharging pipe is for being discharged boiler
The flue gas that generates of heating surface, judging unit 20 includes judgment module, and judgment module is used to judge in the smoke discharging pipe of boiler
Whether the moisture concentration of flue gas is more than preset concentration threshold value, and determination unit 30 includes determining module, and determining module is for judging
When going out the moisture concentration of the flue gas in the smoke discharging pipe of boiler more than preset concentration threshold value, the cigarette that the heating surface of boiler generates is determined
The moisture concentration of gas is more than preset concentration threshold value.
Fig. 3 is the schematic diagram of the heating surface inner hexagon device of boiler according to a second embodiment of the present invention.The embodiment
It can be as the preferred embodiment of above-mentioned first embodiment.The device includes detection unit, judging unit and determination unit.
Detection unit is used to detect the moisture concentration of the flue gas of the heating surface generation of boiler.Judging unit is for judging boiler
Heating surface generate flue gas moisture concentration whether be more than preset concentration threshold value.Determination unit be used for judge boiler by
The moisture concentration for the flue gas that hot face generates determines that the heating surface of boiler leaks in occurring when being more than preset concentration threshold value.
Boiler is provided with smoke discharging pipe, and smoke discharging pipe is used to be discharged the flue gas that the heating surface of boiler generates, in the row of boiler
It is provided with electric precipitator on the access of smoke pipeline, is existed for generating the adsorbing powder dust in flue gas of the electrostatic electric precipitator will be entered
On the inner wall of electric precipitator.
Detection unit includes detection module, and detection module is used to detect the secondary voltage value of electric precipitator.Judging unit packet
Judgment module is included, judgment module is used to judge whether the secondary voltage value of electric precipitator to be more than predetermined voltage threshold.Determination unit
Including determining module, determining module is used to, when the secondary voltage value for judging electric precipitator is more than predetermined voltage threshold, determine
The heating surface of boiler leaks in occurring.
As shown in figure 3, the meter type in figure can be made in the heating surface inner hexagon device of the boiler of the embodiment
External form.The heating surface inner hexagon device of the boiler of the embodiment further includes liquid crystal display 100,200 He of parameter set button
Audible and visual alarm device 300.The heating surface inner hexagon device of the boiler of the embodiment may include Input voltage terminal and/or input electricity
Flow end.Input voltage terminal can be used for receiving the secondary voltage of the electric precipitator of boiler, and input current end is for receiving electric precipitation
The heating surface inner hexagon device of the secondary current of device, boiler can also include installation's power source input terminal, for receiving boiler
The supply voltage of heating surface inner hexagon device.
Liquid crystal display 100 is used for display parameter information, for example, the voltage value of Input voltage terminal, the electricity at input current end
Flow valuve etc., wherein liquid crystal display 100 is connected with detection module.
Parameter set button 200 can receive input operation, and voltage alarm value, the voltage alarm of setting are set according to operation
Value may be displayed on liquid crystal display 100, wherein parameter set button 200 can pass through key command parsing module and liquid
Crystal display screen 100 is connected, and key command parsing module is used to parse the instruction inputted by parameter set button 200, and will
Instruction is converted to the word that can be shown on liquid crystal display 100, is input to liquid crystal display 100 and shows.
Audible and visual alarm device 300 is connected with determining module, should when the voltage value of Input voltage terminal is higher than voltage alarm value
The heating surface inner hexagon device of the boiler of embodiment can make a sound signal and/or optical signal by audible and visual alarm device 300
It alarms.
The embodiments of the present invention also provide a kind of boilers.It should be noted that the boiler of the embodiment of the present invention includes this
The heating surface inner hexagon device of the boiler of invention.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Be performed by computing device in the storage device, either they are fabricated to each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific
Hardware and software combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of heating surface inner leakage detection method of boiler, which is characterized in that including：
Detect the moisture concentration of the flue gas of the heating surface generation of boiler；
Judge whether the moisture concentration for the flue gas that the heating surface of the boiler generates is more than preset concentration threshold value；And
If it is judged that the moisture concentration for the flue gas that the heating surface of the boiler generates is more than the preset concentration threshold value, it is determined that
The heating surface of the boiler leaks in occurring,
Wherein, the boiler is provided with smoke discharging pipe, and the smoke discharging pipe is used to be discharged the cigarette that the heating surface of the boiler generates
Gas,
The moisture concentration of flue gas that the heating surface of detection boiler generates includes：Detect the flue gas in the smoke discharging pipe of the boiler
Moisture concentration,
Judge the flue gas that the heating surface of the boiler generates moisture concentration whether more than preset concentration threshold value include：Described in judgement
Whether the moisture concentration of the flue gas in the smoke discharging pipe of boiler is more than the preset concentration threshold value,
Wherein, if it is judged that the moisture concentration of the flue gas in the smoke discharging pipe of the boiler is more than the preset concentration threshold value,
Then determine that the moisture concentration for the flue gas that the heating surface of the boiler generates is more than the preset concentration threshold value,
Wherein, it is provided with electric precipitator on the access of the smoke discharging pipe of the boiler, it is described will enter for generating electrostatic
Adsorbing powder dust in the flue gas of electric precipitator on the inner wall of the electric precipitator,
The moisture concentration for detecting the flue gas in the smoke discharging pipe of the boiler includes：The electric parameter of the electric precipitator is detected,
Judge the flue gas in the smoke discharging pipe of the boiler moisture concentration whether more than the preset concentration threshold value include：Judge
Whether the electric parameter of the electric precipitator is more than preset parameter range,
Wherein, if it is judged that the electric parameter of the electric precipitator is more than the preset parameter range, it is determined that the boiler
Smoke discharging pipe in flue gas moisture concentration be more than the preset concentration threshold value.
2. according to the method described in claim 1, it is characterized in that,
The electric parameter for detecting the electric precipitator includes：The secondary voltage value of the electric precipitator is detected,
Judge the electric precipitator electrical parameter whether more than preset parameter range include：Judge the secondary electricity of the electric precipitator
Whether pressure value is more than predetermined voltage threshold,
Wherein, if it is judged that the secondary voltage value of the electric precipitator is more than the predetermined voltage threshold, it is determined that the electricity
The electrical parameter of deduster is more than the preset parameter range.
3. according to the method described in claim 2, it is characterized in that, the electric precipitator generates multiple electric fields,
The secondary voltage value for detecting the electric precipitator includes：The secondary voltage value of the multiple electric field is detected respectively,
Judge the electric precipitator secondary voltage value whether more than predetermined voltage threshold include：The multiple electric field is judged respectively
In each electric field secondary voltage value whether be more than the corresponding predetermined voltage threshold of each electric field, obtain multiple judging results,
In, the multiple judging result is respectively whether the secondary voltage value of each electric field in the multiple electric field is more than each electric field pair
The result for the predetermined voltage threshold answered；Judge whether the multiple judging result meets leakage condition in heating surface, wherein if sentenced
Break and the multiple judging result and meet leakage condition in the heating surface, it is determined that the heating surface of the boiler occur in leakage.
4. according to the method described in claim 1, it is characterized in that, the smoke discharging pipe is additionally operable to the cigarette of discharge steam blowing
Gas, in the heating surface for determining the boiler occurs before leakage, the method further includes：
Judge whether the flue gas in the smoke discharging pipe of the boiler includes the flue gas of steam blowing,
Wherein, if it is judged that the flue gas in the smoke discharging pipe of the boiler does not include the flue gas of steam blowing, it is determined that described
The heating surface of boiler leaks in occurring.
5. according to the method described in claim 1, it is characterized in that, determine the boiler heating surface occur in leakage after,
The method further includes：
Police is failed to report in sending out, wherein is failed to report in described police in leakage in the heating surface generation for prompt the boiler.
6. a kind of heating surface inner hexagon device of boiler, which is characterized in that including：
Detection unit, the moisture concentration for the flue gas that the heating surface for detecting boiler generates；
Whether the moisture concentration of judging unit, the flue gas of the heating surface generation for judging the boiler is more than preset concentration threshold
Value；And
The moisture concentration of determination unit, the flue gas for being generated in the heating surface for judging the boiler is more than the preset concentration
Determine that the heating surface of the boiler leaks in occurring when threshold value,
Wherein, the boiler is provided with smoke discharging pipe, and the smoke discharging pipe is used to be discharged the cigarette that the heating surface of the boiler generates
Gas,
The detection unit includes：Detection module, the moisture concentration of the flue gas in smoke discharging pipe for detecting the boiler,
The judging unit includes：The moisture concentration of judgment module, the flue gas in smoke discharging pipe for judging the boiler is
No is more than the preset concentration threshold value,
The determination unit includes：Determining module, the moisture for the flue gas in the smoke discharging pipe for judging the boiler are dense
When degree is more than the preset concentration threshold value, determine that the moisture concentration for the flue gas that the heating surface of the boiler generates is more than described default
Concentration threshold,
Wherein, it is provided with electric precipitator on the access of the smoke discharging pipe of the boiler, it is described will enter for generating electrostatic
Adsorbing powder dust in the flue gas of electric precipitator on the inner wall of the electric precipitator,
The detection module, is used for：The electric parameter of the electric precipitator is detected,
The judgment module, is used for：Judge whether the electric parameter of the electric precipitator is more than preset parameter range,
The determining module, is used for：If it is judged that the electric parameter of the electric precipitator is more than the preset parameter range, then
Determine that the moisture concentration of the flue gas in the smoke discharging pipe of the boiler is more than the preset concentration threshold value.
7. a kind of boiler, which is characterized in that the heating surface inner hexagon device including the boiler described in claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610371530.6A CN105953988B (en) | 2016-05-30 | 2016-05-30 | Boiler and its heating surface inner leakage detection method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610371530.6A CN105953988B (en) | 2016-05-30 | 2016-05-30 | Boiler and its heating surface inner leakage detection method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105953988A CN105953988A (en) | 2016-09-21 |
| CN105953988B true CN105953988B (en) | 2018-09-18 |
Family
ID=56911103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610371530.6A Active CN105953988B (en) | 2016-05-30 | 2016-05-30 | Boiler and its heating surface inner leakage detection method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105953988B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036070A (en) * | 2017-05-22 | 2017-08-11 | 深圳钰湖电力有限公司 | A kind of boiler leakage detects warning device |
| KR102095203B1 (en) * | 2019-10-16 | 2020-05-26 | 주식회사 나노켐 | Carbon monoxide leakage alert apparatus and method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2253829Y (en) * | 1995-09-08 | 1997-05-07 | 东北电力学院 | On-line monitoring instrument for leakage of boiler pressure-bearing pipe |
| US20100326171A1 (en) * | 2009-06-26 | 2010-12-30 | Gene Stauffer | Smoke generation and leak detection system |
| CN101839795B (en) * | 2010-05-10 | 2013-09-18 | 任振伟 | System and method for diagnosing leakage of pressure-bearing pipe of boiler |
| CN102645514A (en) * | 2012-03-15 | 2012-08-22 | 浙江大学 | Distributed matrix type detection device and method of smoke component of water cooled wall of coal powder boiler |
| CN102734785B (en) * | 2012-07-04 | 2014-11-26 | 攀钢集团攀枝花钢钒有限公司 | Leakage judging method for boiler economizer in power plant |
| CN204479245U (en) * | 2015-03-11 | 2015-07-15 | 北京哈宜节能环保科技开发有限公司 | A kind of H type low-level (stack-gas) economizer leak detecting device |
| CN204612758U (en) * | 2015-05-04 | 2015-09-02 | 神华集团有限责任公司 | For the analog quantity measuring point monitoring equipment of fired power generating unit |
-
2016
- 2016-05-30 CN CN201610371530.6A patent/CN105953988B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105953988A (en) | 2016-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107100674B (en) | The recognition methods of pseudo- data is tested in calibration in mining gas sensor monitoring data | |
| JP2006025600A (en) | Electric power rejection system | |
| CN105953988B (en) | Boiler and its heating surface inner leakage detection method and device | |
| CN102446566B (en) | Steam generator water-level control method and device and nuclear power plant of nuclear power generating unit | |
| US20190074684A1 (en) | System and Method for Controlling a String-Level Rapid Shutdown Device for a Solar Panel Array | |
| JPS59168599A (en) | Circuit device for monitoring disturbance level of announcerprovided on alarm equipment | |
| US5938424A (en) | Failure diagnosing apparatus for combustion systems | |
| CN105717397A (en) | Air conditioner communication fault detection method and system | |
| CN210863063U (en) | Online leakage detection device for heat exchange tube | |
| CN106918033A (en) | Three impulses leakage of boiler tubes alarm control system and method | |
| CN109612025B (en) | Air conditioning device and control method thereof | |
| JPH09180072A (en) | Fire prevention system | |
| KR102176143B1 (en) | Boiler safety management device and boiler safety management system including the same | |
| CN114864125A (en) | Failure processing method and device for fire information of nuclear power plant and computer equipment | |
| CN111664936B (en) | Method for detecting burner failure | |
| CN107957277A (en) | A kind of detecting system of no negative pressure secondary supply equipment | |
| JPH06265437A (en) | Gas leak detecting method | |
| CN110880812A (en) | Transformer substation equipment monitoring method and device and transformer substation equipment monitor | |
| CN220105799U (en) | Air suction type fire detection system | |
| CN116071884B (en) | Electrical fire alarm monitoring method, system, equipment and medium | |
| JP2004295296A (en) | Utility consumption equipment and recognition device for operation of utility consumption equipment | |
| CN110936073B (en) | Welding equipment, monitoring method thereof and electronic equipment | |
| CN217953797U (en) | Gas heat treatment furnace pipeline leak detection system | |
| JPH0727658A (en) | Gas leakage detection method | |
| CN212567825U (en) | Unmanned inspection device leaks in thermal power unit boiler soda pipeline valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |