CN104267158B - A kind of slag has the hot vexed gas componant on-Line Monitor Device of pressure and method - Google Patents
A kind of slag has the hot vexed gas componant on-Line Monitor Device of pressure and method Download PDFInfo
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Abstract
The present invention relates to one and have the hot vexed gas componant on-Line Monitor Device of pressure and method, in having the hot vexed tank 1 of pressure during heat is vexed, gas is extracted out by certain flow rate, the condensation of gas bleeding condensed device 4 is removed steam and is obtained dry gas, then measures the temperature of dry gas, pressure, flow and introduces gas analyser 9 and monitor dry gas composition in real time；Water vapor condensation water is collected simultaneously, by the way of weighing, determine the quality of condensed water, so that it is determined that the real-time traffic of steam, in conjunction with surveyed dry gas real-time gas composition, it is possible to achieve monitoring in real time has the hot vexed tank composition of gases within of pressure；The method have the advantages that to achieve presses hot vexed tank to process the monitoring of hot stifling body during slag, monitoring device is installed simple to operate, compatible with PLC system strong, can realize pressing the on-line monitoring of hot vexed gas componant, during being conducive to heat vexed, the control of fuel gas content in tank, plays an important role in terms of getting rid of potential safety hazard.
Description
Technical field
The present invention relates to a kind of slag and have the hot vexed gas componant on-Line Monitor Device of pressure and a method, a kind of containing steam
The device and method of gas componant on-line monitoring.
Background technology
Often producing 1 ton of steel and about produce the slag of 0.12～0.14 ton, within 2013, China's slag generation amount is about 1.01 hundred million tons, utilizes
Rate is 30%, and big steel slag does not has recycling, land occupation, pollution environment.
Traditional Technology of Steel Slag Processing is the pool vexed crushing-magnetic selection that adds of heat, and there have the hot vexed system of pressure to compare pool heat to be vexed, improves steel
Slag treatment efficiency and automaticity, but hot vexed process high-temperature steel slag and water reaction produce a certain amount of fuel gas, cause peace
Full hidden danger.Therefore, it is achieved have in the hot vexed production process of pressure, in tank, the monitoring in real time of combustible gas component is to ensureing safety in production extremely
Close important.
There is the hot vexed process of pressure can produce a large amount of steam, and the requirement measuring medium is all by current effusion meter and gas analyser
The most steam-laden pure gas phase, is difficulty with under conditions of containing a large amount of steam measuring combustible gas component, online prison in real time
Survey the most extremely difficult.
Therefore, the problem solving the on-line real time monitoring of the complex condition combustible gas component containing a large amount of steam, not only may be used
To ensure the safety in production having pressure heat vexed, also it is similar to the monitoring offer thinking of operating mode for other industry.
Summary of the invention
Technical scheme is as follows:
One has the hot vexed gas componant on-Line Monitor Device of pressure, comprising: have pressure hot vexed tank, valve, air entraining pipe, condenser, water
Case, mass sensor, temperature, pressure and flow transducer, bronchus, gas analyser, PLC control system and calculating
And display system；Air entraining pipe includes the first air entraining pipe, the second air entraining pipe and the 3rd air entraining pipe；There is the opening pressing hot vexed tank exhaustor
Connected the arrival end of valve by the first air entraining pipe, the port of export of valve connects condenser by the first air entraining pipe, and condenser connects water tank,
The sample gas condensation dehydration of the condensed device of condenser convection current, the steam removed in sample gas obtains dry gas, obtains after water vapor condensation
Condensed water, condensed water flows into water tank, at water tank bottom installation quality sensor, water tank upper by the second air entraining pipe connect temperature,
Pressure and flow transducer, the 3rd air entraining pipe side spending trachea after temperature, pressure and flow transducer, gas analyser
From this bronchus extraction dry gas carry out component analysis, obtain dry gas each gas composition and the volume fraction of each gas and
Being sent to analysis result calculate and display system, wherein, mass sensor and temperature, pressure and flow transducer will monitorings
Result is sent to PLC control system, obtains real-time quality flow and the dry gas real-time quality flow of condensed water, calculates and show
Show that system connects PLC control system, and therefrom read real-time quality flow and the dry gas real-time quality flow of condensed water, and
Each gas in conjunction with dry gas forms and the volume fraction of each gas, analyzes to obtain having and presses the volume fraction of each gas in hot vexed tank,
And calculating and showing in display system.
Wherein, described device also includes air pump, and temperature, pressure and flow transducer connect air pump by the 3rd air entraining pipe.Wherein,
Calculate and display system is Computer display platform.Wherein, described valve is electric control valve.
The present invention relates to a kind of slag and have the method pressing hot vexed gas componant on-line monitoring, in having the hot vexed tank of pressure during heat is vexed
Gas is extracted out by certain flow rate, and the condensation of gas bleeding condensed device is removed steam and obtained dry gas, then measures the temperature of dry gas
Degree, pressure, flow also introduce gas analyser and monitor gas componant in real time；Water vapor condensation water is collected, by weighing simultaneously
Mode determine the quality of condensed water, so that it is determined that the real-time traffic of steam, in conjunction with dry gas surveyed real-time gas composition, can
The hot vexed tank composition of gases within of pressure is had to realize monitoring in real time.
A kind of use above-mentioned device to there being the method pressing hot vexed gas componant on-line monitoring, comprise the steps:
(1) there iing the hot vexed tank exhaustor upper shed of pressure, drawing sample gas by valve regulation aperture；
(2) sample gas obtains dry gas through condenser condensation dehydration, the steam removed in sample gas, obtains cold after water vapor condensation
Solidifying water, condensed water flows into water tank, the mass sensor installed by water tank bottom, and mass sensor is by condensate quality monitoring knot
Fruit is sent to PLC control system, is calculated the real-time quality flow of condensed water；
(3) temperature of dry gas, pressure and the flow after removing steam is measured by temperature, pressure and flow transducer, and
Monitoring result is sent to PLC control system, is calculated the real-time quality flow of dry gas；
(4) the 3rd air entraining pipe side spending trachea after temperature, pressure and flow transducer, gas analyser is from this bronchus
Extraction dry gas carries out component analysis, obtains each gas composition and the volume fraction of each gas of dry gas, and analysis is tied
Fruit is sent to calculate and display system；
(5) calculate and display system connects PLC control system, and the condensed water in read step (2) from its data base
Dry gas real-time quality flow in real-time quality flow and step (3), and combine each gas composition of dry gas and each gas
The volume fraction of body, analyzes to obtain having and presses the volume fraction of each gas in hot vexed tank, and calculating and showing in display system.
Wherein, described device also includes air pump, and temperature, pressure and flow transducer connect air pump, later stage by the 3rd air entraining pipe
During pressure inside the tank deficiency, booster air pump extraction sample gas；And unnecessary sample gas is discharged through air entraining pipe and air pump.
Water wherein, after the hottest vexed process terminates, in emptying water tank.
The method have the advantages that on device and in method, realize the gas componant containing a large amount of steam and monitor in real time, install simple to operate,
Do not affect the independent operating of PLC system, and compatible with PLC system strong, technically achieve press hot vexed gas componant
Line is monitored, and to combustible gas component in control tank timely in production process, gets rid of potential safety hazard and plays an important role.
Accompanying drawing explanation
Fig. 1 has the hot vexed gas componant on-Line Monitor Device schematic diagram of pressure
Detailed description of the invention
One has the hot vexed gas componant on-Line Monitor Device of pressure as shown in Figure 1, has the hot vexed gas componant on-Line Monitor Device of pressure,
Comprising: have pressure hot vexed tank 1, electric control valve 2, air entraining pipe 3, condenser 4, water tank 5, mass sensor 6, temperature,
Pressure and flow transducer 7, bronchus 8, gas analyser 9, air pump 10, PLC control system 11 and calculate and display
System 12；Air entraining pipe 3 includes the first air entraining pipe, the second air entraining pipe and the 3rd air entraining pipe；There is the opening pressing hot vexed tank 1 exhaustor
Connected the arrival end of valve 2 by the first air entraining pipe 3, the port of export of valve 2 connects condenser 4 by the first air entraining pipe 3, condensation
Device 4 connects water tank 5, the sample gas condensation dehydration of the condensed device of condenser 4 convection current 4, and the steam removed in sample gas obtains dry gas
Body, obtains condensed water after water vapor condensation, condensed water flows into water tank 5, and installation quality sensor 6 bottom water tank 5, on water tank
Portion connects temperature, pressure and flow transducer 7 by the second air entraining pipe 3, the after temperature, pressure and flow transducer 7
Three air entraining pipe side spending tracheas 8, gas analyser 9 carries out component analysis from this bronchus extraction dry gas, obtains dry gas
Each gas composition and the volume fraction of each gas and analysis result is sent to calculate and display system 12, wherein, quality
Monitoring result is sent to PLC control system by sensor 6 and temperature, pressure and flow transducer 7, obtains the reality of condensed water
Time mass flow and dry gas real-time quality flow, calculate and display system 12 connect PLC control system, and therefrom read cold
The real-time quality flow of solidifying water and dry gas real-time quality flow, and combine each gas composition and the body of each gas of dry gas
Fraction, analyzes to obtain having and presses the volume fraction of each gas in hot vexed tank 1, and calculating and showing in display system 12.
Wherein temperature, pressure and flow transducer 7 include corresponding said temperature measurement respectively, pressure measxurement and three kinds of flow measurement
Three sensors of function, for the ease of representing, are used uniformly across labelling 7 and represent.Temperature, pressure and flow transducer 7 pass through
3rd air entraining pipe 3 connects air pump 10, and wherein, according to having, the hot vexed production early stage pressure inside the tank of pressure is big, the spy that later stage pressure inside the tank is little
Point, installs air pump in air entraining pipe terminal, starts when later stage tolerance deficiency.And unnecessary sample gas is discharged through air entraining pipe and air pump.,
Calculate and display system is Computer display platform 12.
One have pressure hot vexed gas componant on-line monitoring method, comprise the steps: (1) have pressure hot vexed tank 1 exhaustor on open
Mouthful, regulating aperture by electric control valve 2 and draw sample gas, during later stage pressure inside the tank deficiency, booster air pump 10 extracts；(2) sample
Gas is through condenser 4 condensation dehydration, and the steam removed in sample gas obtains dry gas, obtains condensed water after water vapor condensation, cold
Solidifying water flows into water tank 5, and by the mass sensor 6 installed bottom water tank 5, condensate quality monitoring result is passed by mass sensor
Deliver to PLC control system 11, be calculated the real-time quality flow of condensed water；PLC control system is to being calculated condensed water
Real-time quality flow shows；(3) dry gas after removing steam is measured by temperature, pressure and flow transducer 7
Temperature, pressure and flow, and monitoring result is sent to PLC control system 11, it is calculated the real-time quality flow of dry gas；
The real-time quality flow being calculated dry gas is shown by PLC control system；(4) at temperature, pressure and flow transducer
After the 3rd air entraining pipe side spending trachea 8, gas analyser 9 from this bronchus extraction dry gas carry out component analysis, obtain
Each gas composition of dry gas and the volume fraction of each gas, and be sent to analysis result calculate and display system 12；Respectively
The numerical signal of the volume fraction of gas, through signal processing, enters calculating and display system 12 shows, unnecessary sample gas is through drawing
Trachea and air pump are discharged；(5) calculate and display system 12 connects PLC control system 11, and read step 2 from its data base
In the real-time quality flow of condensed water and dry gas real-time quality flow in step 3, and combine each gas group of dry gas
Become and the volume fraction of each gas, analyze to obtain having and press the volume fraction of each gas in hot vexed tank 1, and calculating and display system
Show on system (12)；(6) water after the hottest vexed process terminates, in emptying water tank.
Wherein, by condenser, gas sample is dehydrated, and by condensation water collection, realizes steam real by the way of measuring weight
The measurement of Shi Liuliang.Wherein, by the real-time measurement to dry gas temperature, pressure and flow, it is achieved dry gas real-time quality
The measurement of flow.Wherein, mention measured value by reading in PLC control system step (5), and combine dry gas gas componant
Measurement result, it is achieved have pressure hot vexed tank tank composition of gases within measure and display.
Monitoring method designs based on formula calculated as below:
The design basis of this method is perfect condition equation (see formula (1)) and deformation formula thereof
PV=nRT (1)
P, pressure Pa；V, volume m3；T, temperature K；The amount of n gaseous matter, unit mol；R represents gas constant, often
Take 8.314 J/mol k.
Qv, volume flow m3/s；T, time s；
Qn, molar flow mol/s；
Qn1, dry gas molar flow mol/s；P1, dry gas pressure Pa；Qv1, dry gas volume flow m3/s；T1, dry gas
Temperature K；The real-time quality flow being calculated dry gas of its corresponding step (3).
Qn2, condensed water molar flow mol/s；m2,0, m2,1, condensed water weight corresponding in 0 moment and 1 moment water tank, g；t0,
t1, time corresponding with 1 moment in 0 moment (time interval sets the shortest, and precision is the highest), s；The meter of its corresponding step (2)
Calculate the real-time quality flow obtaining condensed water.
Have and press the volumn concentration of dry gas, % in hot vexed tank
Having and press the volumn concentration of gas to be measured in hot vexed tank, %, wherein i is the title of gas to be measured, such as H2, O2Deng；The gas to be measured that gas analyser measures volumn concentration in dry gas, %；The calculating of its corresponding step (5) and
The real-time quality flow of display system 12 condensed water in read step 2 from the data base of PLC control system 11 and step
Dry gas real-time quality flow in 3, and combine each gas composition and the volume fraction of each gas of dry gas, analysis obtains
Have and press the volume fraction of each gas in hot vexed tank 1.
Wherein, according to having, the hot vexed production early stage pressure inside the tank of pressure is big, and the feature that later stage pressure inside the tank is little is installed in air entraining pipe 3 terminal
Air pump 10, starts when later stage tolerance deficiency.Wherein, it is also possible to according to having, the hot vexed production early stage pressure inside the tank of pressure is big, the later stage
The feature that pressure inside the tank is little, on air entraining pipe, air pump is installed in the front end of check valve, starts when later stage tolerance deficiency.
Wherein, the discharge of unnecessary sample gas will be through check valve, it is to avoid extraneous air flows backwards.
Wherein, this method and device are suitable for but have been not limited to press hot vexed production process, and similar operating mode gas componant is online
Measure the most applicable.
Claims (7)
1. there is the hot vexed gas componant on-Line Monitor Device of pressure, comprising: have the hot vexed tank (1) of pressure, valve (2), air entraining pipe (3), condensation
Device (4), water tank (5), mass sensor (6), temperature, pressure and flow transducer (7), bronchus (8), gas analyser (9),
PLC control system (11) and calculate and display system (12)；Air entraining pipe (3) includes that the first air entraining pipe, the second air entraining pipe and the 3rd draw
Trachea；Having and press the opening of hot vexed tank (1) exhaustor to connect the arrival end of valve (2) by the first air entraining pipe, the port of export of valve (2) is by the
One air entraining pipe connection condenser (4), condenser (4) connection water tank (5), the sample gas condensation dehydration of the condensed device of condenser (4) convection current (4),
The steam removed in sample gas obtains dry gas, obtains condensed water after water vapor condensation, and condensed water flows into water tank (5), in water tank (5)
Bottom installation quality sensor (6), water tank upper connects temperature, pressure and flow transducer (7) by the second air entraining pipe, temperature,
The 3rd air entraining pipe side spending trachea (8) after pressure and flow transducer (7), gas analyser (9) extracts dry gas from this bronchus
Carry out component analysis, obtain dry gas each gas composition and the volume fraction of each gas and analysis result is sent to calculate
With display system (12), wherein, monitoring result is sent to PLC by mass sensor (6) and temperature, pressure and flow transducer (7)
Control system, obtains real-time quality flow and the dry gas real-time quality flow of condensed water, calculates and display system (12) connects
PLC control system, and therefrom read real-time quality flow and the dry gas real-time quality flow of condensed water, and combine dry gas
Each gas composition and the volume fraction of each gas, analyze to obtain having and press the volume fraction of each gas in hot vexed tank (1), and at meter
Calculating and show in display system (12), described device also includes air pump (10), and the terminal of the 3rd air entraining pipe installs air pump
(10)。
Device the most according to claim 1, it is characterised in that calculate and display system is Computer display platform.
Device the most according to claim 1 and 2, it is characterised in that described valve (2) is electric control valve.
4. the device used described in one of claim 1-3 is to there being the method pressing hot vexed gas componant on-line monitoring, it is characterised in that
Comprise the steps:
(1) there iing pressure hot vexed tank (1) exhaustor upper shed, drawing sample gas by valve (2) regulation aperture；
(2) sample gas obtains dry gas through condenser (4) condensation dehydration, the steam removed in sample gas, obtains condensed water after water vapor condensation,
Condensed water flows into water tank (5), the mass sensor (6) installed by water tank (5) bottom, and mass sensor is by condensate quality monitoring knot
Fruit is sent to PLC control system (11), is calculated the real-time quality flow of condensed water；
(3) temperature of dry gas, pressure and the flow after removing steam is measured by temperature, pressure and flow transducer (7), and will prison
Survey result and be sent to PLC control system (11), be calculated the real-time quality flow of dry gas；
(4) the 3rd air entraining pipe side spending trachea (8) after temperature, pressure and flow transducer, gas analyser (9) is taken out from this bronchus
Take dry gas and carry out component analysis, obtain each gas composition and the volume fraction of each gas of dry gas, and by analysis result
It is sent to calculate and display system (12)；
(5) calculate and display system (12) connects PLC control system (11), and the reality of the condensed water in read step (2) from its data base
Time mass flow and step (3) in dry gas real-time quality flow, and combine each gas composition of dry gas and each gas
Volume fraction, analyzes to obtain having and presses the volume fraction of each gas in hot vexed tank (1), and calculating and showing in display system (12)
Show.
Method the most according to claim 4, it is characterised in that: described device also includes air pump (10), temperature, pressure and stream
Quantity sensor (7) connects air pump (10) by the 3rd air entraining pipe, during later stage pressure inside the tank deficiency, starts air pump extraction sample gas；
And unnecessary sample gas is discharged through air entraining pipe and air pump.
6. according to the method described in claim 4 or 5, it is characterised in that: the water after the hottest vexed process terminates, in emptying water tank.
7. according to the method described in claim 4 or 5, it is characterised in that: the PLC control system real-time matter to being calculated condensed water
Amount flow shows；The real-time quality flow being calculated dry gas is shown by PLC control system.
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| CN201410568059.0A CN104267158B (en) | 2014-10-22 | 2014-10-22 | A kind of slag has the hot vexed gas componant on-Line Monitor Device of pressure and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105039614A (en) * | 2015-08-25 | 2015-11-11 | 中冶节能环保有限责任公司 | Combustible gas safety monitoring and controlling device and method for steel slag waste heat pressure hot disintegration |
| CN107063371A (en) * | 2017-03-01 | 2017-08-18 | 榆林学院 | A kind of device and measuring method for measuring steam and on-condensible gas flow |
| CN111154932A (en) * | 2020-01-06 | 2020-05-15 | 中冶东方工程技术有限公司 | Mobile cover vehicle and treatment method for water-containing dust in steel slag hot disintegration process |
| CN113466284A (en) * | 2021-06-11 | 2021-10-01 | 中核坤华能源发展有限公司 | Direct condensation type geothermal fluid vapor-liquid ratio measuring system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4296637A (en) * | 1980-03-28 | 1981-10-27 | Standard Oil Company (Indiana) | Method and apparatus for sampling hot homogeneous mixtures |
| KR20010046420A (en) * | 1999-11-12 | 2001-06-15 | 류정열 | suction and distributer test device for gasoline engine |
| CN1321882A (en) * | 2001-06-20 | 2001-11-14 | 包克明 | Multicomponent gas infrared monitoring system |
| CN101334349A (en) * | 2007-06-27 | 2008-12-31 | 中国石油天然气股份有限公司 | Inner powder dust on-line checking method for high pressure gas pipeline and its device |
| CN102230036A (en) * | 2011-04-02 | 2011-11-02 | 中冶建筑研究总院有限公司 | Waste-heat pressure closed-loop thermal treatment method for molten steel slag |
| CN103743772A (en) * | 2013-12-19 | 2014-04-23 | 西安交通大学 | System and method for rapidly analyzing pyrolysis characteristics of solid organic matter |
| CN203587579U (en) * | 2013-11-19 | 2014-05-07 | 中国神华能源股份有限公司 | Online continuous smoke monitoring system |
| CN204116322U (en) * | 2014-10-22 | 2015-01-21 | 中冶建筑研究总院有限公司 | A kind of slag has the hot sulks Body components on-Line Monitor Device of pressure |
-
2014
- 2014-10-22 CN CN201410568059.0A patent/CN104267158B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4296637A (en) * | 1980-03-28 | 1981-10-27 | Standard Oil Company (Indiana) | Method and apparatus for sampling hot homogeneous mixtures |
| KR20010046420A (en) * | 1999-11-12 | 2001-06-15 | 류정열 | suction and distributer test device for gasoline engine |
| CN1321882A (en) * | 2001-06-20 | 2001-11-14 | 包克明 | Multicomponent gas infrared monitoring system |
| CN101334349A (en) * | 2007-06-27 | 2008-12-31 | 中国石油天然气股份有限公司 | Inner powder dust on-line checking method for high pressure gas pipeline and its device |
| CN102230036A (en) * | 2011-04-02 | 2011-11-02 | 中冶建筑研究总院有限公司 | Waste-heat pressure closed-loop thermal treatment method for molten steel slag |
| CN203587579U (en) * | 2013-11-19 | 2014-05-07 | 中国神华能源股份有限公司 | Online continuous smoke monitoring system |
| CN103743772A (en) * | 2013-12-19 | 2014-04-23 | 西安交通大学 | System and method for rapidly analyzing pyrolysis characteristics of solid organic matter |
| CN204116322U (en) * | 2014-10-22 | 2015-01-21 | 中冶建筑研究总院有限公司 | A kind of slag has the hot sulks Body components on-Line Monitor Device of pressure |
Non-Patent Citations (1)
| Title |
|---|
| 钢渣热闷可燃气体监测报警系统设计;霍光伟 等;《环境工程》;20140830;第32卷;第630-633页 * |
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