CN207730503U - A kind of mercury emissions sampling monitoring device being suitable under high grey flue gas condition - Google Patents
A kind of mercury emissions sampling monitoring device being suitable under high grey flue gas condition Download PDFInfo
- Publication number
- CN207730503U CN207730503U CN201721487206.7U CN201721487206U CN207730503U CN 207730503 U CN207730503 U CN 207730503U CN 201721487206 U CN201721487206 U CN 201721487206U CN 207730503 U CN207730503 U CN 207730503U
- Authority
- CN
- China
- Prior art keywords
- sampling
- flue gas
- mercury
- grey
- low temperature
- 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
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of mercury emissions sampling monitoring devices being suitable under high grey flue gas condition, on the basis of the device EPA 30B methods that mercury emissions monitor under the conditions of for low temperature micronic dust, in order to realize the accurate measurements of mercury concentration and form under different flue positions, different flue gas conditions, and then grasp the mercury pollution Transport of the stationary sources such as coal-burning power plant, in the front end of sampling gun according to the difference of flue gas condition, the applicable sampling head of installation so that the flue gas condition at activated carbon tube meets low temperature micronic dust requirement；Specifically, in positions such as SCR entrances, using the high grey sampling head of high temperature, which reduces smoke temperature by membrane filtration flying dust, air blanketing；In positions such as air preheater outlet, deduster entrances, using the high grey sampling head of low temperature, which divides double-filtration flying dust by inertial filter and membrane filtration.It using this method, may be implemented to be sampled monitoring to the mercury in high grey flue gas using adsorbent charcoal tube method, and ensure the accurate and reliable of mercury concentration and morphometry result.
Description
Technical field
The utility model is related to coal-burning power plant's environmental protection and pollutant emission monitoring technical field, more particularly to one kind to be suitable for
Mercury emissions sampling monitoring device under high ash flue gas condition.
Background technology
Mercury pollution has hypertoxicity, persistence, global and bioaccumulation.Artificial source air mercury emissions are that global mercury is dirty
The important origin cause of formation of dye.2013, world community was in Japanese official signature《Minamata pact about mercury》, this indicates global mercury
Prevention and cure of pollution have entered a new stage, which has formally validated through the Chinese government in April, 2016.Wherein,
Five industries such as coal-burning power plant, coal-burned industrial boiler are the main management and control sources that international mercury pact is directed to air mercury control.
The mercury dirt for findding out coal-burning power plant's mercury emissions truth of a matter, illustrating the behavioural characteristic of mercury in production process, grasping coal-burning power plant
Dye Transport is to realize the basis of air mercury control, and realize mercury concentration under different flue positions, different flue gas conditions
And the accurate measurements of form, then it is the premise of the above work.
The main method of gas mercury concentration monitor includes online and off-line method two major classes.
Wherein, on-line monitoring method mainly uses mercury emissions on-line continuous monitoring system in U.S. EPA 30A methods as representative
Unite Hg-CEMS, and the instrument price is expensive, and a unit often only installs one, and pops one's head in and be once mounted on certain flue position
After be difficult to move, substantially all be used for fix flue position gas mercury monitoring, and with the mercury of smoke stack emission flue gas monitoring based on, because
This is not easy to the gas mercury concentration for measuring different flue positions.
Off-line method is then to be converted gas mercury to from gaseous state as medium using liquid absorption liquid or solid absorbent
Then liquid or solid form is measured.The exemplary process of liquid absorption method include U.S.'s Ontario Hydro methods,
The exemplary process of EPA29 methods etc., solid absorption method includes U.S. EPA 30B methods (also known as adsorbent charcoal tube method) etc..It inhales
Attached charcoal tube method uses the activated carbon in pipe to adsorb the mercury in flue gas, then carries out analysis measurement, and in order to ensure to measure
As a result reliable, need to be sampled using two activated carbon tubes, in addition there are other quality control methods simultaneously.It is inhaled with liquid
Receipts method compares, and the main advantage of adsorbent charcoal tube method is easy to operate, and the requirement for tester is relatively low, operating error production
Raw probability is small, has obtained rapid popularization, it has also become carries out the main method of coal-burning power plant's Mercury In The Air emission monitoring both at home and abroad.
Adsorbent charcoal tube method is easily portable, is theoretically utilized in different flues as manual monitoring method, instrument
Mercury concentration is sampled monitoring.But the flue gas condition that EPA 30B methods are directed at the beginning of foundation is low temperature (100~150
DEG C), micronic dust condition, this is often only in industrial processes, and flue gas flows through all pollution control facilities, when being discharged into air
It can be only achieved.Higher flying dust concentration can cause activated carbon tube to block, and higher temperature can cause activated carbon tube to gas mercury
Adsorption efficiency declines, and influences the accuracy of gas mercury concentration monitor result.And after flying dust enters activated carbon tube, when to activated carbon
It when pipe is analyzed, is on the one hand difficult to and is separately separated out by these flying dusts, measure the mercury in flying dust and activated carbon respectively
Concentration；On the other hand, the flying dust in activated carbon tube can be formed a thick layer of, EPA 30B methods temperature in use (100~
150 DEG C) under the conditions of, this layer of flying dust will continue to adsorptive gaseous mercury, reduce the concentration for the mercury that activated carbon is adsorbed, and seriously affect pair
The measurement of mercury shape.
Therefore, how to realize that adsorbent charcoal tube method accurately carries out mercury emissions sampling monitoring under high grey flue gas condition, to grasping
The mercury pollution Transport of coal-burning power plant or other stationary sources then carries out mercury pollution control, has very important significance.Institute
The grey flue gas condition of height stated specifically includes (300~400 DEG C) the high grey flue gas of high temperature and air preheater of flue before and after SCR denitration
Afterwards, (100~150 DEG C) the high grey flue gas of the low temperature before deduster.
Invention content
In order to break through the limitation of existing EPA 30B mercury emissions monitoring methods, realize adsorbent charcoal tube method in high grey flue gas item
Also mercury emissions sampling monitoring can be accurately carried out under part, the utility model devises front end on the basis of existing EPA 30B methods
Sampling apparatus, and for the different characteristics of the high ash of high temperature and the high ash of low temperature, different schemes is used, it is a kind of suitable to propose
For the mercury emissions sampling monitoring device under high grey flue gas condition.
In order to achieve the above object, the utility model adopts the following technical solution：
A kind of mercury emissions sampling monitoring device being suitable under high grey flue gas condition is sampling under the conditions of high temperature high ash
The front end of rifle 1 is equipped with the high grey sampling head 10 of high temperature, and under the conditions of low temperature high ash, low temperature height is equipped in the front end of sampling gun 1
Grey sampling head 18；Activated carbon tube 2 is installed in the leading portion of sampling gun 1, is adopted using the high grey sampling head 10 of high temperature and low temperature height ash
Sample head 18 is dusted cooling to sampling flue gas so that the flue gas of low temperature micronic dust meets the sampling bar of mercury by activated carbon tube 2
Part；
The entrance of the high grey sampling head of the high temperature 10, is equipped with filter mantle 7 and porous plate 9, filter mantle 7 and porous plate 9 it
Between, high temperature filter membrane 8 is housed, for filtering flying dust；After sampling flue-gas temperature decline, using activated carbon tube 2 to the mercury in flue gas
Absorption sampling；
The front end side of the low temperature height ash sampling head 18 is equipped with the thief hatch 17 being sampled, low temperature height ash sampling head 18
Interior stage casing is equipped with multistage cinder baffle 19, is filtered to cinder using inertia；Back segment in the high grey sampling head 18 of low temperature, is equipped with
Porous plate 21, and low temperature filter membrane 20 is housed on porous plate 21, for filtering fine ash；The flue gas of micronic dust is adopted by activated carbon tube 2
Sample.
7 front end of the filter mantle is equipped with sampling mouth 15, realizes isokinetic sampling；It is equipped with storage ash-pit 16 in the filter mantle 7, uses
Flying dust under when flying dust is more, storing high temperature filter membrane 8 and filtering.
The periphery of the high temperature height ash sampling head 10 is equipped with air blanketing 11, is equipped in the end of high temperature height ash sampling head 10
Air inlet 12 and gas outlet 13, air inlet 13 are connected with cooling air pump 14, and the air generated using cooling air pump 14 is to high temperature height
Flue gas in grey sampling head 10 is quickly cooled down, and flue-gas temperature is made to meet measuring condition.
The control of flue-gas temperature at the activated carbon tube 2, the air capacity generated by the cooling air pump 14 of adjusting is realized, or is led to
Position of the sampling gun 1 in high temperature height ash sampling head 10 is overregulated to realize.
The multistage cinder baffle 19 is three-level, and the first order is trepanning among plectane, and flue gas passes through from centre, and first
Grade plectane is provided with an aperture close to 17 side of thief hatch, is taken out convenient for the cinder under filtering；The second level is that diameter is less than low temperature height
The plectane of 18 inner cylinder of grey sampling head, flue gas are flowed through from surrounding；The third level is trepanning among plectane, and flue gas passes through from centre, and sets
There is storage ash-pit.
The high grey sampling head 10 of the high temperature and the high grey sampling head 18 of low temperature, inside sampling head, it is all can be with smoke contacts
Component, in order to avoid the possible absorption to mercury, using glass or polytetrafluoro material, or in metal surface glass plating
Coating or polytetrafluoro coating, and sealed between associated component tight.
Two activated carbon tubes 2 are installed in the leading portion of sampling gun 1, the inside of sampling gun 1 is also classified into two parts and walks two respectively
The end of road flue gas, sampling gun 1 is connected with two connecting tubes 3, and connecting tube 3 is connected with flue gas de-watering apparatus 4, flue gas de-watering apparatus
4 two sampling pumps 5 of connection, every sampling pump 5 is separately connected a set of flue gas flow measuring device 6, to realize that two-way flue gas is same
When sample and metering.
The mercury emissions sampling monitoring method of the mercury emissions sampling monitoring device being suitable under high grey flue gas condition,
Under the conditions of the high ash of high temperature, first passes through high temperature filter membrane 8 and filters flying dust at high temperature, then make the temperature rapid decrease of sampling flue gas,
Ensure that the flue gas at activated carbon tube 2 is low temperature micronic dust state, and the flying dust under high temperature, flue gas quickly influence of the cooling to mercury
Small, it is accurate to ensure to measure；Under the conditions of low temperature high ash, first passes through multistage cinder baffle 19 and cinder is carried out using inertia
Filtering, is then filtered fine ash using low temperature filter membrane 20, and the same flue gas ensured at activated carbon tube 2 is low temperature micronic dust shape
State, and prevent flying dust from forming a thick layer adsorption layer on low temperature filter membrane 20, second adsorption is generated to mercury, ensures the standard measured
Really.
Compared to the prior art compared with the outstanding advantages of the utility model are：
1. being pre-processed to flue gas by sampling head so that sampling of the activated carbon tube to mercury in flue gas fully meets EPA
The use condition of 30B methods, to realize using adsorbent charcoal tube method, mercury takes in the different flues positions such as high grey flue gas condition
Sample monitors.
2. under the conditions of high temperature high ash, it is sampled, is dusted first, under filtering using the high grey sampling head of high temperature
It is weak to the adsorption capacity of mercury under the conditions of flying dust is due to being in high temperature (300~400 DEG C), therefore the influence to measurement result can be with
Ignore, then fast cooling, the position of sampling gun can be set in place according to smoke temperature situation of change, to realize to cigarette
The accurate measurement of bicycle pump concentration and its form.
3. under the conditions of low temperature high ash, it is sampled, is first utilized a large amount of cinder used using the high grey sampling head of low temperature
Property filtering principle carry out by-pass filtration, then utilize filter membrane to remaining fine ash progress secondary filtration, since flying dust amount is big
Width is reduced, and will not form a thick layer flying dust layer, therefore flying dust is less to the absorption of mercury, the influence to measurement result can neglect
Slightly, to realize the accurate measurement to gas mercury concentration and its form.
4. the utility model is only by mercury emissions monitoring EPA30B method instruments under the conditions of for low temperature micronic dust
On the basis of device, in the front end of sampling gun according to the difference of flue gas condition, the sampling head of each self application is installed, you can realization pair
Mercury sampling monitoring under different flue gas conditions, it is simple system, easy to operate, at low cost.
Description of the drawings
Fig. 1 is utility model device structural schematic diagram.
Fig. 2 is the schematic diagram of the embodiments of the present invention 1.
Fig. 3 is the schematic diagram of the embodiments of the present invention 2.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, a kind of mercury emissions sampling monitoring device being suitable under high grey flue gas condition of the utility model, in height
Under the conditions of warm high ash, the high grey sampling head 10 of high temperature is installed in the front end of sampling gun 1, under the conditions of low temperature high ash, in sampling gun 1
Front end the high grey sampling head of low temperature 18 is installed；Activated carbon tube 2 is installed in the leading portion of sampling gun 1, is adopted using high temperature height ash
Sample head 10 and low temperature height ash sampling head 18 are dusted cooling to sampling flue gas so that the flue gas of low temperature micronic dust passes through activated carbon tube
2, meet the sampling condition of mercury；The entrance of the high temperature height ash sampling head 10, is equipped with filter mantle 7 and porous plate 9, in filter mantle 7
Between porous plate 9, high temperature filter membrane 8 is housed, for filtering flying dust；It is right using activated carbon tube 2 after sampling flue-gas temperature decline
Mercury absorption sampling in flue gas；The front end side of the low temperature height ash sampling head 18 is equipped with the thief hatch 17 being sampled, low temperature
Stage casing in high ash sampling head 18 is equipped with multistage cinder baffle 19, is filtered to cinder using inertia；Low temperature height ash sampling head 18
Interior back segment is equipped with porous plate 21, and low temperature filter membrane 20 is housed on porous plate 21, for filtering fine ash；The flue gas of micronic dust passes through
Activated carbon tube 2 samples.
As preferred embodiments of the present invention, 7 front end of the filter mantle is equipped with sampling mouth 15, realizes that constant speed takes
Sample；Storage ash-pit 16 is equipped in the filter mantle 7, for when flying dust is more, storing the flying dust under high temperature filter membrane 8 is filtered.
As preferred embodiments of the present invention, the periphery of the high temperature height ash sampling head 10 is equipped with air blanketing
11, it is equipped with air inlet 12 and gas outlet 13 in the end of high temperature height ash sampling head 10, air inlet 13 is connected with cooling air pump 14, profit
The air generated with cooling air pump 14 is quickly cooled down the flue gas in the high ash sampling head of high temperature 10, so that flue-gas temperature is met and surveys
Amount condition.
As preferred embodiments of the present invention, the control of flue-gas temperature at the activated carbon tube 2 is cold by adjusting
But the air capacity that air pump 14 generates is realized, or is realized by adjusting position of the sampling gun 1 in high temperature height ash sampling head 10.
As preferred embodiments of the present invention, the multistage cinder baffle 19 is three-level, and the first order is in plectane
Between trepanning, flue gas passes through from centre, and is provided with an aperture close to 17 side of thief hatch in first order plectane, convenient for thick under filtering
Ash takes out；The second level is the plectane that diameter is less than low temperature 18 inner cylinder of high grey sampling head, and flue gas is flowed through from surrounding；The third level is plectane
Intermediate trepanning, flue gas pass through from centre, and equipped with storage ash-pit.
As preferred embodiments of the present invention, the high grey sampling head 10 of the high temperature and the high grey sampling head 18 of low temperature,
Inside sampling head, it is all can be with the component of smoke contacts, in order to avoid the possible absorption to mercury, using glass or polytetrafluoro
Material, or in metal surface glass plating coating or polytetrafluoro coating, and sealed tightly between associated component.
As preferred embodiments of the present invention, two activated carbon tubes 2 are installed in the leading portion of sampling gun 1, are sampled
The inside of rifle 1 is also classified into two parts and walks two-way flue gas respectively, and the end of sampling gun 1 is connected with two connecting tubes 3, connecting tube 3 with
Flue gas de-watering apparatus 4 is connected, and flue gas de-watering apparatus 4 connects two sampling pumps 5, and every sampling pump 5 is separately connected a set of flue gas stream
Measuring device 6, to realize two-way flue gas while sample and measuring.
The utility model is suitable for the mercury emissions sampling monitoring side of the mercury emissions sampling monitoring device under high grey flue gas condition
Method first passes through high temperature filter membrane 8 and filters flying dust at high temperature, then make the temperature of sampling flue gas quick under the conditions of high temperature high ash
Decline, ensure that the flue gas at activated carbon tube 2 is low temperature micronic dust state, and flying dust, the flue gas under high temperature quickly cool down to mercury
Influence it is small, can ensure measure it is accurate；Under the conditions of low temperature high ash, multistage cinder baffle 19 is first passed through using inertia to thick
Ash is filtered, and is then filtered to fine ash using low temperature filter membrane 20, and the same flue gas ensured at activated carbon tube 2 is that low temperature is micro-
Dirt state, and prevent flying dust from forming a thick layer adsorption layer on low temperature filter membrane 20, second adsorption is generated to mercury, ensures to measure
It is accurate.
Embodiment one：
As shown in Figure 1, the present embodiment is " a kind of to be suitable for the mercury emissions sampling monitoring device under high grey flue gas condition and side
The mercury of method ", grey flue gas high to the high temperature of SCR entrances is sampled monitoring.At this point, first, in accordance with the low grey flue gas of low temperature
Flow is sampled, sampling gun 1 is connected with connecting tube 3, flue gas de-watering apparatus 4, sampling pump 5, flow measurement device 6 successively, is sampled
There are two-way, connecting tube 3, sampling pump 5, flow measurement device 6 there are two sets in rifle 1, flue gas de-watering apparatus 4, to meet two-way
The requirement that flue gas samples simultaneously.Two activated carbon tubes 2 are installed in the leading portion of sampling gun 1, the absorption for mercury in flue gas samples.
The front end of sampling gun 1, installation high temperature height ash sampling head 10.
In order to by flue gas flying dust and gas detach, in the entrance of the high grey sampling head of high temperature 10, be equipped with filter mantle 7 and more
Orifice plate 9 is equipped with high temperature filter membrane 8, for filtering flying dust between filter mantle 7 and porous plate 9.Filter mantle 7 is equipped with sampling mouth 15,
Isokinetic sampling is realized, and equipped with storage ash-pit 16, for when flying dust is more, storing the flying dust under high temperature filter membrane 8 is filtered.
In order to make flue-gas temperature meet measuring condition, it is equipped with air blanketing 11 in the periphery of high temperature height ash sampling head 10,
The end of high temperature height ash sampling head 10 is equipped with air inlet 12 and gas outlet 13, and air inlet 13 is connected with cooling air pump 14, and utilization is cold
But the air that air pump 14 generates is quickly cooled down the flue gas in the high ash sampling head of high temperature 10.Flue-gas temperature at activated carbon tube 2
Control, the air capacity that can have both been generated by the cooling air pump 14 of adjusting realizes, can also be by adjusting sampling gun 1 in high temperature height
It realizes position in grey sampling head 10.
Inside the high grey sampling head of high temperature 10, it is all can be with the component of smoke contacts, in order to avoid the possible suction to mercury
It is attached, glass or polytetrafluoro material need to be used, or in metal surface glass plating coating or polytetrafluoro coating, and relevant group
Need sealing tight between part.
The characteristics of embodiment is：Smoke temperature is reduced by membrane filtration flying dust, air blanketing, can be realized using adsorbent charcoal
Tube method is sampled monitoring to the mercury in the high grey flue gas of high temperature, and ensures the accurate and reliable of mercury concentration and morphometry result.
Embodiment two：
As shown in Fig. 2, the present embodiment is " a kind of to be suitable for the mercury emissions sampling monitoring device under high grey flue gas condition and side
The mercury of method ", grey flue gas high to the low temperature of air preheater outlet, deduster entry position is sampled monitoring.At this point, first, in accordance with low
The sampling flow of the low grey flue gas of temperature fills sampling gun 1 with connecting tube 3, flue gas de-watering apparatus 4, sampling pump 5, flow measurement successively
It sets 6 to be connected, there is two-way, connecting tube 3, sampling pump 5, flow measurement device 6 to have two in sampling gun 1, flue gas de-watering apparatus 4
Set, to meet the requirement of two-way flue gas while sampling.Two activated carbon tubes 2 are installed in the leading portion of sampling gun 1, are used for mercury in flue gas
Absorption sampling.In the front end of sampling gun 1, installation low temperature height ash sampling head 18.
In order to by flue gas flying dust and gas detach, in the front end side of the high grey sampling head of low temperature 18, be equipped with thief hatch
17, realize isokinetic sampling；The stage casing in the high grey sampling head 18 of low temperature is equipped with multistage cinder baffle 19, using inertia to cinder into
Row filtering；The back segment in the high grey sampling head 18 of low temperature, is equipped with porous plate 21, and low temperature filter membrane 20 is housed on porous plate 21, uses
In filtering fine ash.
Multistage cinder baffle 19 is designed as, and the first order is trepanning among plectane, and flue gas passes through from centre, and is justified in the first order
Plate is provided with an aperture close to 17 side of thief hatch, is taken out convenient for the cinder under filtering；The second level is that diameter is slightly less than the high ash of low temperature
The plectane of 18 inner cylinder of sampling head, flue gas are flowed through from surrounding；The third level is trepanning among plectane, and flue gas passes through from centre, and is equipped with
Store up ash-pit.
Inside the high grey sampling head of low temperature 18, it is all can be with the component of smoke contacts, in order to avoid the possible suction to mercury
It is attached, glass or polytetrafluoro material need to be used, or in metal surface glass plating coating or polytetrafluoro coating, and relevant group
Need sealing tight between part.
The characteristics of embodiment is：By inertial filter and membrane filtration, divide double-filtration flying dust, to reduce as far as possible
Absorption of the flying dust to mercury on filter membrane.Must when, can an isokinetic sampling ensure the accurate of total mercury measurement；Primary non-constant speed is adopted
Sample, and reduce flying dust as far as possible and enter sampling head, ensure the accurate of gaseous state mercury measurement.To realize using adsorbent charcoal tube method to low
Mercury in warm high grey flue gas is sampled monitoring, and ensures the accurate and reliable of mercury concentration and morphometry result.
Claims (6)
1. a kind of mercury emissions sampling monitoring device being suitable under high grey flue gas condition, it is characterised in that：Including sampling gun (1),
Under the conditions of high temperature high ash, the front end of the sampling gun (1) is equipped with the high grey sampling head (10) of high temperature, in the high grey condition of low temperature
Under, the front end of the sampling gun (1) is equipped with the high grey sampling head (18) of low temperature；Work is installed in the leading portion of the sampling gun (1)
Property charcoal pipe (2)；
The entrance of the high grey sampling head (10) of the high temperature, is equipped with filter mantle (7) and porous plate (9), in filter mantle (7) and porous plate
(9) between, high temperature filter membrane (8) is housed, for filtering flying dust；After sampling flue-gas temperature decline, using activated carbon tube (2) to cigarette
Mercury absorption sampling in gas；
The front end side of the high grey sampling head (18) of the low temperature is equipped with the thief hatch (17) being sampled, the high grey sampling head of low temperature
(18) interior stage casing is equipped with multistage cinder baffle (19), is filtered to cinder using inertia；After in the high grey sampling head (18) of low temperature
Section is equipped with porous plate (21), and low temperature filter membrane (20) is housed on porous plate (21), for filtering fine ash；The flue gas of micronic dust is logical
Cross activated carbon tube (2) sampling.
2. the mercury emissions sampling monitoring device according to claim 1 being suitable under high grey flue gas condition, it is characterised in that：
Filter mantle (7) front end is equipped with sampling mouth (15), realizes isokinetic sampling；It is equipped with storage ash-pit (16) in the filter mantle (7), uses
Flying dust under when flying dust is more, storing high temperature filter membrane (8) and filtering.
3. the mercury emissions sampling monitoring device according to claim 1 being suitable under high grey flue gas condition, it is characterised in that：
The periphery of the high grey sampling head (10) of the high temperature is equipped with air blanketing (11), the end of the high grey sampling head (10) of high temperature be equipped with into
Gas port (12) and gas outlet (13), air inlet (13) are connected with cooling air pump (14), the air generated using cooling air pump (14)
Flue gas in grey sampling head (10) high to high temperature is quickly cooled down, and flue-gas temperature is made to meet measuring condition.
4. the mercury emissions sampling monitoring device according to claim 1 being suitable under high grey flue gas condition, it is characterised in that：
The multistage cinder baffle (19) is three-level, and the first order is trepanning among plectane, and flue gas passes through from centre, and in first order plectane
It is provided with an aperture close to thief hatch (17) side, is taken out convenient for the cinder under filtering；The second level is that diameter is adopted less than low temperature height ash
The plectane of sample head (18) inner cylinder, flue gas are flowed through from surrounding；The third level is trepanning among plectane, and flue gas passes through from centre, and is equipped with
Store up ash-pit.
5. the mercury emissions sampling monitoring device according to claim 1 being suitable under high grey flue gas condition, it is characterised in that：
The high grey sampling head (10) of the high temperature and the high grey sampling head (18) of low temperature use glass or polytetrafluoro material, or in metal material
Surface glass plating coating or polytetrafluoro coating, and sealed between associated component tight.
6. the mercury emissions sampling monitoring device according to claim 1 being suitable under high grey flue gas condition, it is characterised in that：
The leading portion of the sampling gun (1) is equipped with two activated carbon tubes (2), and the inside of sampling gun (1) is also classified into two parts and walks two respectively
The end of road flue gas, sampling gun (1) is connected with two connecting tubes (3), and connecting tube (3) is connected with flue gas de-watering apparatus (4), flue gas
De-watering apparatus (4) connects two sampling pumps (5), and every sampling pump (5) is separately connected a set of flue gas flow measuring device (6), from
And it realizes two-way flue gas while sampling and measuring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721487206.7U CN207730503U (en) | 2017-11-09 | 2017-11-09 | A kind of mercury emissions sampling monitoring device being suitable under high grey flue gas condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721487206.7U CN207730503U (en) | 2017-11-09 | 2017-11-09 | A kind of mercury emissions sampling monitoring device being suitable under high grey flue gas condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207730503U true CN207730503U (en) | 2018-08-14 |
Family
ID=63087548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721487206.7U Active CN207730503U (en) | 2017-11-09 | 2017-11-09 | A kind of mercury emissions sampling monitoring device being suitable under high grey flue gas condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207730503U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727457A (en) * | 2017-11-09 | 2018-02-23 | 中国华能集团清洁能源技术研究院有限公司 | A kind of mercury emissions sampling monitoring device and method being applied under high grey flue gas condition |
| WO2023193354A1 (en) * | 2022-04-06 | 2023-10-12 | 苏州西热节能环保技术有限公司 | Mercury sampling apparatus based on active carbon adsorption under high temperature, and control method |
-
2017
- 2017-11-09 CN CN201721487206.7U patent/CN207730503U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727457A (en) * | 2017-11-09 | 2018-02-23 | 中国华能集团清洁能源技术研究院有限公司 | A kind of mercury emissions sampling monitoring device and method being applied under high grey flue gas condition |
| CN107727457B (en) * | 2017-11-09 | 2024-04-26 | 中国华能集团清洁能源技术研究院有限公司 | Mercury emission sampling monitoring device and method suitable for high-ash flue gas condition |
| WO2023193354A1 (en) * | 2022-04-06 | 2023-10-12 | 苏州西热节能环保技术有限公司 | Mercury sampling apparatus based on active carbon adsorption under high temperature, and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105300744B (en) | System for flue gas NO and mercury of thermal power plant sample simultaneously and detect | |
| CN205642942U (en) | Boats and ships exhaust emission online analysis system | |
| CN105865853A (en) | Online analysis system of ship exhaust emission | |
| CN109959538B (en) | Device and method for testing sulfur trioxide and condensable particles emitted by fixed pollution source | |
| CN109342284A (en) | A kind of detection system and detection method for harmful substances from flue gases | |
| CN107727457A (en) | A kind of mercury emissions sampling monitoring device and method being applied under high grey flue gas condition | |
| CN207730503U (en) | A kind of mercury emissions sampling monitoring device being suitable under high grey flue gas condition | |
| CN207248581U (en) | A kind of sampling system for being used to measure escape ammonia density total in flue gas | |
| CN109765084A (en) | A kind of flue gas cascade sampling system and its method of sampling | |
| CN105004761A (en) | Denitration system escaping ammonia on-line continuous monitoring device and method | |
| CN205749206U (en) | A kind of gasoline automobile exhaust emissions detection system of particles | |
| CN104237087B (en) | The method of gas particles substrate concentration detector and use | |
| CN206208862U (en) | A kind of system for boiler grey smoke components test high | |
| CN102401771A (en) | Apparatus for testing work ability of activated carbon canister used for vehicle | |
| CN102879239A (en) | Flue gas pre-treatment type sampling and analysis device and method for escaping ammonia of denitration system of power plant | |
| CN204202942U (en) | Anti-high dirt interference type gas mercury sampling system | |
| CN108801718A (en) | A kind of tail gas on-line monitoring system peculiar to vessel | |
| CN206772656U (en) | A kind of coal steam-electric plant smoke sampling analysis system | |
| CN101806679B (en) | Flue gas sampling device | |
| CN107655728B (en) | Device and method suitable for sampling and monitoring low-volatility trace elements in flue gas | |
| CN108414299A (en) | A kind of stationary source exhaust gas sampling apparatus and the method for sampling | |
| CN207730502U (en) | The device of low volatility trace element sampling monitoring suitable for flue gas | |
| CN207976443U (en) | Improve the detecting system of heavy goods vehicles exhaust contaminant vehicle load measurement precision | |
| CN108692997A (en) | A kind of flue gas droplet content test system and its flue gas drop sampler | |
| CN201653765U (en) | Sampling device of flue gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |