CN109813854A - A kind of exhaust gas determination of moisture device - Google Patents
A kind of exhaust gas determination of moisture device Download PDFInfo
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- CN109813854A CN109813854A CN201910234415.8A CN201910234415A CN109813854A CN 109813854 A CN109813854 A CN 109813854A CN 201910234415 A CN201910234415 A CN 201910234415A CN 109813854 A CN109813854 A CN 109813854A
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Abstract
The invention discloses a kind of exhaust gas determination of moisture devices, including along waste gas flow direction direction, sampling head, solid-gas separator, sampling pump, heating mantle, water aspirator, buffering cavity, check valve and the flowmeter being interconnected by gas-guide tube；The first temperature sensor and the first moisture transducer are provided on gas-guide tube between heating mantle and water aspirator；Water aspirator is set in thermal-insulating body, and water aspirator and thermal-insulating body are placed on electronic scale；Second temperature sensor is provided on thermal-insulating body；Pressure sensor is provided on gas-guide tube between water aspirator and buffering cavity；The second moisture transducer is provided in buffering cavity；Sampling pump, heating mantle, water aspirator, the first temperature sensor, the first moisture transducer, electronic scale, second temperature sensor, pressure sensor and the second moisture transducer are connect with control cabinet.The moisture content that the present invention measures, more accurately；Interfere it is small, it is easy to clean, without disassembly.
Description
Technical field
The present invention relates to environmental monitorings to lead apparatus field, and in particular to a kind of exhaust gas determination of moisture device.
Background technique
In recent years, air pollution was increasingly severe, and the occurrence frequency of mist thunderbolt is also more and more frequent, dirt of the people to environment
It contaminates that the cry administered is more more and more intense, show that the pollution level of air depends on the quality of atmosphere, and atmosphere according to comprehensive analysis
The crux factor of quality is the flue dust of boiler etc., the discharge amount of flue gas and its concentration degree.
Mainly there are three aspects in the source of moisture in flue gas: moisture entrained by the air in boiler is blasted when 1, burning；
2, fuel evaporates the vapor of formation in combustion in the form of combining water or outside water；3, carbon contained in fuel
Hydrogen compound is oxidized generation moisture in burning.Moisture content of flue gas adopting is the parameter that measurement is most difficult in Gas Parameters, but
It is that moisture content of flue gas adopting has bigger influence for techniques such as desulfurization, the dedustings of flue gas, so must survey in flue gas operating condition
One of factor.Therefore, there is quite positive meaning to the research of humidity of flue gas measuring technique.The number of applying for a patent is
201120010828.7 proposing a kind of device of measuring moisture content of flue gas adopting condensation weighing method, the gravimetric method which has earlier above
The device of measurement flue gas moisture content is compared to condenser pipe is increased between sampling pipe and moisture absorption pipe, condensation and moisture absorption two
Link separates, and overcomes the problems, such as to agglomerate due to cause gas circuit obstructed after hygroscopic agent moisture absorption, increases by a dew point hygrometer after moisture absorption pipe,
Go out residual moisture content or increase level-one or two-stage change after moisture absorption pipe in flue gas by moisture absorption pipe heel row for measuring
Color silica gel can increase the flue gas volume of setting in this way, increase hygroscopic capacity, reduce ratio of the measurement error in flue gas moisture
Weight, to reduce systematic error.But this device ignores the air-leakage test of system first, in the case where poor air-tightness,
Sampling pump working opportunity sucks air, contains certain moisture in air, this just causes certain mistake to the measurement of whole system
Difference needs the weight of manual operation measurement condenser pipe and moisture absorption pipe secondly after measurement, if there is misoperation among these
Error in reading or serious person damage sample, not only have lost instrument and also increase error to measurement moisture content of flue gas adopting, but also
Largely the degree of automation is not high for such operation.
The number of applying for a patent proposes a kind of moisture content of flue gas adopting auto testing instrument for 200720170092.3, can survey automatically
Fixed, real-time display flue gas moisture content.But the device cannot guarantee that the air-tightness of system is in shape, once be
The air-tightness of system is out of joint, then will result in certain error, causes measurement result inaccurate.Secondly after condensate tank(trap)
There is no drying tube, it cannot be guaranteed that flue gas can be condensed sufficiently by condensate tank(trap).
To sum up, existing exhaust gas determination of moisture device, there is problems:
1. being unable to the moisture content in on-line real time monitoring exhaust gas, or only with the moisture that moisture content sensor measures
Content is not accurate enough；
2. flue dust or grieshoch in exhaust gas etc. are easy to interfere determination of moisture；
3. the sampled point of pair exhaust gas to be tested is single, for some heavy in section fume discharge outlets, can not accomplish
Accurate sampling；
4. the installing and dismounting of equipment is inconvenient, it is not easy to clean.
Based on the above situation, the invention proposes a kind of exhaust gas determination of moisture device, problem above can effectively be solved.
Summary of the invention
The purpose of the present invention is to provide a kind of exhaust gas determination of moisture devices.Exhaust gas determination of moisture of the invention
Apparatus structure is simple, easy to use, the moisture content in energy on-line real time monitoring exhaust gas, using moisture transducer combination weight method
The moisture content measured can be proved mutually, or is averaged, more accurately；By first separating solid gas, and temperature is controlled,
Farthest reduce flue dust or grieshoch in exhaust gas etc. to be easy to interfere determination of moisture, it is ensured that test result is more
It is accurate to add；It is wider to the sampling point distributions of exhaust gas to be tested, it is particularly suitable for some heavy in section fume discharge outlets, it can be with
Accomplish accurately to sample；Equipment it is easy for assemble or unload, and can reversely blow, convenient for sampling the cleaning of head section, without disassembly.
The present invention is achieved through the following technical solutions:
A kind of exhaust gas determination of moisture device, including along waste gas flow direction direction, the sampling being interconnected by gas-guide tube
Head, solid-gas separator, sampling pump, heating mantle, water aspirator, buffering cavity, check valve and flowmeter；
The sampling head includes be centrosymmetric the first sampling pipe, the second sampling pipe and the third sampling pipe of setting, and
Connector；First sampling pipe, the second sampling pipe and third sampling pipe are connected at symmetrical center positions with the connector,
The connector is threadedly coupled with the gas-guide tube；It is opened up on first sampling pipe, the second sampling pipe and third sampling pipe
There is air inlet；
The first temperature sensor and the first moisture transducer are provided on gas-guide tube between the heating mantle and water aspirator；
The water aspirator is set in thermal-insulating body, and the water aspirator and thermal-insulating body are placed on electronic scale；The guarantor
Second temperature sensor is provided on incubator body；
Pressure sensor is provided on gas-guide tube between the water aspirator and buffering cavity；It is arranged in the buffering cavity
There is the second moisture transducer；
The sampling pump, heating mantle, water aspirator, the first temperature sensor, the first moisture transducer, electronic scale, the second temperature
Degree sensor, pressure sensor and the second moisture transducer are connect with control cabinet；
The solid-gas separator is used for the gas solid separation in exhaust gas；
Institute's heating mantle is for heating the gas in the gas-guide tube.
Exhaust gas determination of moisture apparatus structure of the invention is simple, easy to use, in energy on-line real time monitoring exhaust gas
Moisture content, the moisture content measured using moisture transducer combination weight method, can mutually be proved, or be averaged, more
Accurately；By first separating solid gas, and temperature is controlled, farthest reduces flue dust or grieshoch in exhaust gas etc. and be easy to water
Assay is divided to interfere, it is ensured that test result is more accurate；It is wider to the sampling point distributions of exhaust gas to be tested, it is especially suitable
Unify a little heavy in section fume discharge outlets, can accomplish accurately to sample；Equipment it is easy for assemble or unload, and can reversely blow
Gas, convenient for sampling the cleaning of head section, without disassembly.
Preferably, the solid-gas separator has ceramic membrane, for by the gas solid separation in exhaust gas.
Preferably, the sampling pump is two-way air pump；Gas-guide tube and air intake branch between the sampling pump and heating mantle
It is connected to, is provided with control valve on the air intake branch.
Preferably, each extending direction of the air inlet in first sampling pipe, the second sampling pipe and third sampling pipe
On be uniformly distributed.
Preferably, it is provided with Air Filter outside the air inlet, for the fixation particulate matter in primary filtration exhaust gas.
Preferably, the control cabinet includes control button and display screen.
Preferably, muff is arranged with outside the gas-guide tube.
Preferably, the flow is calculated as volume flowmeter or mass flowmenter.
Preferably, the gas-guide tube of the flowmeter rear end enters waste gas treating tank.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
1) exhaust gas determination of moisture apparatus structure of the invention is simple, easy to use, in energy on-line real time monitoring exhaust gas
Moisture content, the moisture content measured using moisture transducer combination weight method can be proved mutually, or be averaged, more
It is accurate to add；By first separating solid gas, and temperature is controlled, farthest reduces easy pair of flue dust or grieshoch in exhaust gas etc.
Determination of moisture interferes, it is ensured that test result is more accurate；It is wider to the sampling point distributions of exhaust gas to be tested, especially
It is suitble to some heavy in section fume discharge outlets, can accomplishes accurately to sample；Equipment it is easy for assemble or unload, and can reversely blow
Gas, convenient for sampling the cleaning of head section, without disassembly.
2) exhaust gas determination of moisture device of the present invention, including along waste gas flow direction direction, be interconnected by gas-guide tube
Sampling head, solid-gas separator, sampling pump, heating mantle, water aspirator, buffering cavity, check valve and flowmeter；
The sampling head includes be centrosymmetric the first sampling pipe, the second sampling pipe and the third sampling pipe of setting, and
Connector；First sampling pipe, the second sampling pipe and third sampling pipe are connected at symmetrical center positions with the connector,
The connector is threadedly coupled with the gas-guide tube；It is opened up on first sampling pipe, the second sampling pipe and third sampling pipe
There is air inlet；It is wider to the sampling point distributions of exhaust gas to be tested in this way, it is particularly suitable for some heavy in section fume discharges
Mouthful, it can accomplish accurately to sample.
The first temperature sensor and the first moisture transducer are provided on gas-guide tube between the heating mantle and water aspirator；
In this way can be by the first moisture transducer, moisture content in on-line real time monitoring exhaust gas, and can accurately know in gas-guide tube
Gas temperature, for control heating mantle carry out heating reference frame is provided.It such as, can be maximum by temperature control between 60-80 DEG C
Oxysulfide is reduced to degree in conjunction with moisture, causes the inaccuracy of test result.
The water aspirator is set in thermal-insulating body, and the water aspirator and thermal-insulating body are placed on electronic scale；The guarantor
Second temperature sensor is provided on incubator body；
The moisture in exhaust gas can be absorbed by water aspirator in this way, then measurement weight gain, determines the quality of moisture, and
It can accurately know gas temperature, carry out heating for control heating mantle and/or incubator and reference frame is provided.Such as, by temperature control
System can farthest reduce oxysulfide in conjunction with moisture, cause the inaccuracy of test result between 60-80 DEG C.
Pressure sensor is provided on gas-guide tube between the water aspirator and buffering cavity；It is arranged in the buffering cavity
There is the second moisture transducer；
In this way convenient for obtaining gas atmosphere and moisture content after absorbing by water aspirator to the moisture in exhaust gas, with
Just adjustment in time, guarantees test result accuracy.
The sampling pump, heating mantle, water aspirator, the first temperature sensor, the first moisture transducer, electronic scale, the second temperature
Degree sensor, pressure sensor and the second moisture transducer are connect with control cabinet；
In this way convenient for control, or read data.
The solid-gas separator is used for the gas solid separation in exhaust gas；
Institute's heating mantle is for heating the gas in the gas-guide tube.
3) solid-gas separator of the present invention has ceramic membrane, for by the gas solid separation in exhaust gas.Ceramic membrane high temperature resistant,
It is more applicable, it is durable.
4) sampling pump of the present invention is two-way air pump；Gas-guide tube and air intake branch between the sampling pump and heating mantle
It is connected to, is provided with control valve on the air intake branch.In this way when needing to clean using head section, control valve is opened, is controlled two-way
The reversed air-blowing of air pump, plays reversed air blowing, cleaning action.
5) each extending direction of the air inlet of the present invention in first sampling pipe, the second sampling pipe and third sampling pipe
On be uniformly distributed.Air inlet is more uniform in this way, and sampling point distributions are wider, is particularly suitable for some heavy in section fume discharges
Mouthful, it can accomplish accurately to sample.
6) it is provided with Air Filter outside air inlet of the present invention, for the fixation particulate matter in primary filtration exhaust gas.In this way
The large particle in portion can be first removed, the workload of solid-gas separator is mitigated.
7) control cabinet of the present invention includes control button and display screen.It is more convenient for controlling in this way, and checks related data
Information.
8) muff is arranged with outside gas-guide tube of the present invention.Thermal loss can be reduced in this way, reduces heating, save energy
Consumption.
9) flow of the present invention is calculated as volume flowmeter or mass flowmenter.The gas volume passed through in this way convenient for test
Or quality carries out the calculating of moisture content in exhaust gas to combine the weight gain of water aspirator, the i.e. quality of moisture.
10) gas-guide tube of flowmeter rear end of the present invention enters waste gas treating tank.Prevent in this way exhaust gas direct emission into
Enter air, pollutes.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the present invention looks up structural representation of sampler of the present invention.
Specific embodiment
It is right combined with specific embodiments below in order to make those skilled in the art more fully understand technical solution of the present invention
The preferred embodiments of the invention are described, but it is to be understood that attached drawing only for illustration, should not be understood as to this
The limitation of patent；In order to better illustrate this embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent practical
The size of product；To those skilled in the art, it is that can manage that certain known features and its explanation, which may be omitted, in attached drawing
Solution.Positional relationship is described in attached drawing only for illustration, should not be understood as the limitation to this patent.
Embodiment 1:
As shown in Fig. 1 to 2, a kind of exhaust gas determination of moisture device, including along waste gas flow direction direction, pass through gas-guide tube 01
Interconnected sampling head 02, solid-gas separator 03, sampling pump 04, heating mantle 05, water aspirator 06, buffering cavity 07, check valve
08 and flowmeter 09；
Sampling pipe 1, connecting tube 2, air inlet pipe 3, gas-guide tube 4 and the test host 5 of connection；
First sampling pipe 021, second sampling pipe 022 and third sampling of the sampling head 02 including the setting that is centrosymmetric
Pipe 023 and connector 024；First sampling pipe 021, the second sampling pipe 022 and third sampling pipe 023 are in symmetrical centre
It is connected at position with the connector 024, the connector 024 is threadedly coupled with the gas-guide tube 01；First sampling pipe
021, air inlet 0211 is offered on the second sampling pipe 022 and third sampling pipe 023；
The first temperature sensor 121 and the first water are provided on gas-guide tube 01 between the heating mantle 05 and water aspirator 06
Sub-sensor 131；
The water aspirator 06 is set in thermal-insulating body 14, and the water aspirator 06 and thermal-insulating body 14 are placed in electronic scale 15
On；Second temperature sensor 122 is provided on the thermal-insulating body 14；
Pressure sensor 16 is provided on gas-guide tube 01 between the water aspirator 06 and buffering cavity 07；The cushion chamber
The second moisture transducer 132 is provided on body 07；
The sampling pump 04, heating mantle 05, water aspirator 06, the first temperature sensor 121, the first moisture transducer 131, electricity
Sub- scale 15, second temperature sensor 122, pressure sensor 16 and the second moisture transducer 132 are connect with control cabinet 17；
The solid-gas separator 03 is used for the gas solid separation in exhaust gas；
Institute's heating mantle 05 is for heating the gas in the gas-guide tube 01.
Further, in another embodiment, the solid-gas separator 03 has ceramic membrane, for by the gas in exhaust gas
Gu separation.
Further, in another embodiment, the sampling pump 04 is two-way air pump；The sampling pump 04 and heating mantle
Gas-guide tube 01 between 05 is connected to air intake branch 10, is provided with control valve 101 on the air intake branch 10.
Further, in another embodiment, the air inlet 0211 is sampled in first sampling pipe 021, second
It is uniformly distributed on each extending direction of pipe 022 and third sampling pipe 023.
Further, in another embodiment, it is provided with Air Filter 0212 outside the air inlet 0211, is used for preliminary mistake
Filter the fixation particulate matter in exhaust gas.
Further, in another embodiment, the control cabinet 17 includes control button 171 and display screen 172.
Further, in another embodiment, muff 011 is arranged with outside the gas-guide tube 01.
Further, in another embodiment, the flowmeter 09 is volume flowmeter or mass flowmenter.
Further, in another embodiment, the gas-guide tube 01 of 09 rear end of flowmeter enters waste gas treating tank 18.
Unless otherwise specified, the present invention in, if having term " length ", " width ", "upper", "lower", "front", "rear", " left side ",
" right side ", "vertical", "horizontal", "top", "bottom" "inner", "outside", " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction "
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of the description present invention and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore the term that orientation or positional relationship is described in the present invention is only for illustration, should not be understood as special to this
The limitation of benefit for the ordinary skill in the art can be in conjunction with attached drawing, and understands above-mentioned term as the case may be
Concrete meaning.
Unless otherwise clearly defined and limited, in the present invention, if there is term " setting ", " connected " and " connection " that should do extensively
Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected, or be integrally connected；It can be directly connected,
The connection inside two elements can be can be indirectly connected through an intermediary.For those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term in the present invention with concrete condition.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to technical spirit any simple modification to the above embodiments of the invention, equivalent variations, protection of the invention is each fallen within
Within the scope of.
Claims (9)
1. a kind of exhaust gas determination of moisture device, it is characterised in that: including passing through gas-guide tube (01) phase along waste gas flow direction direction
Intercommunicated sampling head (02), solid-gas separator (03), sampling pump (04), heating mantle (05), water aspirator (06), buffering cavity
(07), check valve (08) and flowmeter (09)；
The sampling head (02) includes that be centrosymmetric the first sampling pipe (021), the second sampling pipe (022) and the third of setting is adopted
Sample pipe (023) and connector (024)；First sampling pipe (021), the second sampling pipe (022) and third sampling pipe
(023) it is connected at symmetrical center positions with the connector (024), the connector (024) and the gas-guide tube (01) spiral shell
Line connection；Air inlet is offered on first sampling pipe (021), the second sampling pipe (022) and third sampling pipe (023)
(0211)；
The first temperature sensor (121) and are provided on gas-guide tube (01) between the heating mantle (05) and water aspirator (06)
One moisture transducer (131)；
The water aspirator (06) is set in thermal-insulating body (14), and the water aspirator (06) and thermal-insulating body (14) are placed in electronics
On scale (15)；Second temperature sensor (122) are provided on the thermal-insulating body (14)；
Pressure sensor (16) are provided on gas-guide tube (01) between the water aspirator (06) and buffering cavity (07)；It is described slow
It rushes on cavity (07) and is provided with the second moisture transducer (132)；
The sampling pump (04), heating mantle (05), water aspirator (06), the first temperature sensor (121), the first moisture transducer
(131), electronic scale (15), second temperature sensor (122), pressure sensor (16) and the second moisture transducer (132) with
Control cabinet (17) connection；
The solid-gas separator (03) is used for the gas solid separation in exhaust gas；
Institute's heating mantle (05) is for heating the gas in the gas-guide tube (01).
2. exhaust gas determination of moisture device according to claim 1, it is characterised in that: solid-gas separator (03) tool
There is ceramic membrane, for by the gas solid separation in exhaust gas.
3. exhaust gas determination of moisture device according to claim 1, it is characterised in that: the sampling pump (04) is two-way
Air pump；Gas-guide tube (01) between the sampling pump (04) and heating mantle (05) is connected to air intake branch (10), the air inlet branch
Control valve (101) are provided on pipe (10).
4. exhaust gas determination of moisture device according to claim 1, it is characterised in that: the air inlet (0211) is in institute
It states and is uniformly distributed on each extending direction of the first sampling pipe (021), the second sampling pipe (022) and third sampling pipe (023).
5. exhaust gas determination of moisture device according to claim 1, it is characterised in that: air inlet (0211) peripheral hardware
It is equipped with Air Filter (0212), for the fixation particulate matter in primary filtration exhaust gas.
6. exhaust gas determination of moisture device according to claim 1, it is characterised in that: the control cabinet (17) includes control
Button (171) processed and display screen (172).
7. exhaust gas determination of moisture device according to claim 1, it is characterised in that: be arranged outside the gas-guide tube (01)
There is muff (011).
8. exhaust gas determination of moisture device according to claim 1, it is characterised in that: the flowmeter (09) is volume
Flowmeter or mass flowmenter.
9. exhaust gas determination of moisture device according to claim 1, it is characterised in that: flowmeter (09) rear end
Gas-guide tube (01) enters waste gas treating tank (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910234415.8A CN109813854A (en) | 2019-03-26 | 2019-03-26 | A kind of exhaust gas determination of moisture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234415.8A CN109813854A (en) | 2019-03-26 | 2019-03-26 | A kind of exhaust gas determination of moisture device |
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| CN109813854A true CN109813854A (en) | 2019-05-28 |
Family
ID=66610419
Family Applications (1)
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|---|---|---|---|
| CN201910234415.8A Pending CN109813854A (en) | 2019-03-26 | 2019-03-26 | A kind of exhaust gas determination of moisture device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721665A (en) * | 2020-06-19 | 2020-09-29 | 陕西省特种设备检验检测研究院 | Method and device for detecting content of condensed water in boiler tail flue gas |
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