CN205785975U - A kind of resistant to elevated temperatures burner hearth component sampling apparatus - Google Patents
A kind of resistant to elevated temperatures burner hearth component sampling apparatus Download PDFInfo
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- CN205785975U CN205785975U CN201620647138.5U CN201620647138U CN205785975U CN 205785975 U CN205785975 U CN 205785975U CN 201620647138 U CN201620647138 U CN 201620647138U CN 205785975 U CN205785975 U CN 205785975U
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Abstract
The utility model discloses a kind of resistant to elevated temperatures burner hearth component sampling apparatus.Burner hearth component sampling apparatus of the present utility model includes: gas sampling probe, probe tube holder, branch chamber, cooling tube array, conflux chamber and flue gas exit pipe;This utility model uses interchangeable resistant to elevated temperatures gas sampling probe, can select material and the diameter of gas sampling probe according to different temperature ranges, reduce fluid field in furnace and temperature profile effect, improve the accuracy of sampling;Cooling effectiveness is high, even can use air cooled mode in the case of sampling flue gas flow is low, can reduce the waste of cooling water;Using modularized design, transformation and maintenance cost are low;This utility model can be used for burner hearth and the detection of flue component, applied widely, can be used for the flue gas sampling of multiple industrial circles such as electric power, heating, metallurgy.
Description
Technical field
This utility model belongs to flue gas sampling technical field, is specifically related to a kind of resistant to elevated temperatures burner hearth component sampling apparatus.
Background technology
The component that detection combustion process produces, is deep understanding and the key optimizing combustion process further.Compared to cigarette
The detection of gas composition, in stove, composition detection can more directly reflect the practical situation of burning, especially controls more in Air-pollution From Combustion
Come the strictest in the case of, by optimize combustion process improve efficiency of combustion and reduce pollutant emission become to become more and more important.
Therefore, composition detection it is also proposed higher requirement to sampling apparatus in stove accurately.
By existing national standard, the sampling of generating and heating boiler is flue multi-point sampling, for adopting in burner hearth
Sample is little, is the most also interim burner hearth sampling.Owing to there is following problems, the design of existing sampling apparatus can not be real
The now accurate monitoring of composition in long burner hearth.First, the design of existing sampling apparatus many employings water cold sleeve, in order to ensure
The effect of cooling and reduction water-cooling wall resistance, overall dimensions is relatively big, such as Application No. 200920015458.9 and Application No.
201120449605.0 utility model.If sampling in burner hearth, the Flow and heat flux in stove can be affected, and then impact is adopted
The accuracy of sample, for the experimental furnace especially for small-sized burner hearth and size of experiment, sampling can appreciable impact stove internal combustion
Burning process.Second, existing sampling apparatus heat resistance depends on the flow cooling down water, and when being in stove, temperature reaches 1000
More than DEG C, need extra cooling water to protect gas sampling probe in order to avoid being burnt out by the high temperature in stove, sampling in long stove
Will result in the waste of cooling water.Meanwhile, the effect of cooled flue gas is limited to the heat transfer efficiency of single pipe.3rd, existing sampling
The gas sampling probe size of device and material are fixed, and in burner hearth, diverse location should use the gas sampling probe of different-diameter to drop
The low interference to burner hearth combustion process, and use different materials to meet the requirement of heatproof.4th, existing sampling apparatus
Generally integrated design, when there is local damage, blocking, needs entirety to replace.Such as Application No. 201220612261.5
Utility model, although have employed the resistant to elevated temperatures alundum tube main material as gas sampling probe, but cannot change easily
Different materials and the gas sampling probe of diameter, transformation, maintenance cost height.
Utility model content
For above problems of the prior art, the utility model proposes the sampling of a kind of resistant to elevated temperatures burner hearth component
Device, sampling apparatus high temperature resistant, compact, modular, it is achieved that composition on-line monitoring in long-time stove.
Resistant to elevated temperatures burner hearth component sampling apparatus of the present utility model includes: gas sampling probe, probe tube holder, shunting
Chamber, cooling tube array, conflux chamber and flue gas exit pipe;Wherein, gas sampling probe is placed in probe tube holder in coaxial fashion
In;One end of gas sampling probe connects burner hearth or flue, and the other end is connected to the top of branch chamber by probe tube holder, takes
Sample tube fixer is connected with the end sealing of branch chamber;Branch chamber and chamber of confluxing are respectively the cavity closed, and many regularly arranged
Cooling tube formed cooling tube array;Branch chamber, cooling tube array and chamber of confluxing are sequentially connected with;The end in chamber of confluxing is defeated with flue gas
Go out pipe to connect;Flue gas exit pipe is connected to follow-up udst separation unit or flue gas analyzer.
Gas sampling probe is sealingly connected to branch chamber by coaxially connected probe tube holder, and gas sampling probe gathers burner hearth
Or the flue gas of flue, and it being directed into branch chamber, flue gas enters the cooling of cooling tube array after branch chamber, is then converged by chamber of confluxing
To flue gas exit pipe, enter to follow-up udst separation unit or flue gas analyzer, be analyzed.
Burner hearth component sampling apparatus of the present utility model both can use air-cooled, can use again water-cooled.If sampling flue gas
When flow is less than 1L/min, use air-cooled mode;If sampling flue gas flow is more than 1L/min, then use the mode of water-cooled.
Use air-cooled mode, only need to be statically placed in air ambient, be entered with cooling tube array by the air of free convection
Row heat exchange, thus reduce the temperature of sampling flue gas to less than 100 DEG C.
Using the mode of water-cooled, farther include waterway, the branch chamber, cooling tube array and the chamber of confluxing that are sequentially connected with set
Putting in waterway, arrange water inlet in one end of waterway, the other end at waterway arranges outlet, and cooling water is from water inlet
Mouth flows into waterway, flows out from outlet, and period, through cooling tube array, carries out heat exchange, thus reduces the temperature of sampling flue gas
Degree is to less than 100 DEG C, to carry out follow-up flue gas analysis.
Waterway include waterway leading portion and waterway back segment, water inlet and outlet be separately positioned on waterway leading portion and
Waterway back segment;It is tightly connected between waterway leading portion and waterway rear end;Probe tube holder through waterway leading portion and with
Waterway leading portion is tightly connected, and is connected to branch chamber;Flue gas exit pipe passes waterway back segment, and seals even with waterway back segment
Connect.Waterway is divided into removable two-stage structure, is arranged on waterway internal cooling pipe array such that it is able to replace.
Waterway uses cylindrical or cuboid, overall employing stainless steel.
Probe tube holder and waterway leading portion use sampling hermetic collar to realize being tightly connected;Flue gas exit pipe and water-cooled
Chamber back segment uses output hermetic collar to realize being tightly connected.
Waterway leading portion and waterway back segment use waterway adpting flange to realize being tightly connected, at waterway adpting flange
Interior fixing seal pad.
Gas sampling probe is fixed in probe tube cutting ferrule, and probe tube cutting ferrule is clipped in sampling adpting flange, it is achieved probe tube
Holder is connected with the end sealing of branch chamber.
When sampled point temperature is less than 600 DEG C, gas sampling probe uses stainless steel;When sampled point temperature is between 600
~when 1600 DEG C, gas sampling probe uses corundum material or titanium alloy;When sampled point temperature is higher than 1600 DEG C, gas sampling probe
Use titanium alloy, zirconium oxide or tungsten-molybdenum alloy material.
The diameter of gas sampling probe can be 4mm~30mm, and when sampling flow is 1L/min, the diameter of gas sampling probe can
For 6mm.
Cooling tube array uses the arrangement of circumference type, or uses linear arrangement.When fuel not sulfur-bearing, the material of cooling tube is adopted
Use fine copper material;During fuel sulfur-bearing, the material of cooling tube uses stainless steel.
Further, the cooling tube outer wall at cooling tube array installs radiating fin, and heat exchange cooling effect is greatly enhanced.
Advantage of the present utility model:
1, this utility model uses interchangeable resistant to elevated temperatures gas sampling probe, can select cigarette according to different temperature ranges
The material of gas probe tube and diameter, reduce fluid field in furnace and temperature profile effect, improve the accuracy of sampling;
2, this utility model cooling effectiveness is high, even can use air cooled side in the case of sampling flue gas flow is low
Formula, can reduce the waste of cooling water;
3, this utility model uses modularized design, and transformation and maintenance cost are low;
4, this utility model can be used for burner hearth and the detection of flue component, applied widely, can be used for electric power, heating, smelting
The flue gas sampling of multiple industrial circles such as gold.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the embodiment one of resistant to elevated temperatures burner hearth component sampling apparatus of the present utility model;
Fig. 2 is the schematic diagram of the embodiment two of resistant to elevated temperatures burner hearth component sampling apparatus of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings, by specific embodiment, this utility model is expanded on further.
Embodiment one
In the present embodiment, the mode of water-cooled is used.
As it is shown in figure 1, the resistant to elevated temperatures burner hearth component sampling apparatus of the present embodiment includes: gas sampling probe 1, probe tube are solid
Determine device 2, branch chamber 3, cooling tube array 4, chamber 5 of confluxing, flue gas exit pipe 6, waterway leading portion 71, waterway back segment 72, water inlet
Mouth 73 and outlet 74;Wherein, in gas sampling probe 1 is placed in probe tube holder 2 in coaxial fashion;Gas sampling probe 1 is solid
Being scheduled in probe tube cutting ferrule 11, probe tube cutting ferrule 11 is clipped in sampling adpting flange 12, and sampling adpting flange 12 is solid by probe tube
Determine device 2 to be connected with the end sealing of branch chamber 3;Branch chamber 3, cooling tube array 4 and chamber 5 of confluxing are sequentially connected with;Conflux the end in chamber 5
End is connected with flue gas exit pipe 6;Branch chamber 3, the cooling tube array 5 and the chamber 6 of confluxing that are sequentially connected with are arranged on waterway back segment 72
In, water inlet 73 and outlet 74 are separately positioned on the sidewall of waterway leading portion 71 and waterway back segment 72, waterway leading portion
71 and waterway back segment 72 use waterway adpting flange 16 realize be tightly connected, fixing seal in waterway adpting flange 16
Pad 15;Probe tube holder 2 passes and waterway leading portion, and uses sampling hermetic collar 13 and waterway leading portion to realize sealing
Connect;Flue gas exit pipe 6 is through waterway rear end 72, and uses output hermetic collar 14 to realize, with waterway back segment, the company of sealing
Connect.
The water inlet of waterway and the interchangeable water (flow) direction of outlet, when 73 be water inlet 74 for outlet time, for following current
Heat exchange;When 73 be outlet 74 for water inlet time, for countercurrent flow.
Embodiment two
In the present embodiment, air-cooled mode is used.
As in figure 2 it is shown, the resistant to elevated temperatures burner hearth component sampling apparatus of the present embodiment includes: gas sampling probe 1, probe tube are solid
Determine device 2, branch chamber 3, cooling tube array 4, conflux chamber 5 and flue gas exit pipe 6;Wherein, gas sampling probe 1 is put in coaxial fashion
In probe tube holder 2;Gas sampling probe 1 is fixed in probe tube cutting ferrule 11, and probe tube cutting ferrule 11 is clipped in sampling connection method
In blue 12, the end sealing of probe tube holder 2 with branch chamber 3 is connected by sampling adpting flange 12;Branch chamber 3, cooling tube battle array
Row 4 and chamber 5 of confluxing are sequentially connected with;The end in chamber 5 of confluxing is connected with flue gas exit pipe 6.
It is finally noted that, publicize and implement the purpose of example and be that help is further appreciated by this utility model, but this
Those of skill will appreciate that of field: without departing from this utility model and appended spirit and scope by the claims, various
Substitutions and modifications are all possible.Therefore, this utility model should not be limited to embodiment disclosure of that, and this utility model is wanted
The scope asking protection defines in the range of standard with claims.
Claims (10)
1. a resistant to elevated temperatures burner hearth component sampling apparatus, it is characterised in that described burner hearth component sampling apparatus includes: flue gas takes
Sample pipe, probe tube holder, branch chamber, cooling tube array, conflux chamber and flue gas exit pipe;Wherein, described gas sampling probe with
Coaxial mode is placed in probe tube holder;One end of gas sampling probe connects burner hearth or flue, and the other end passes through probe tube
Holder is connected to the top of branch chamber, and probe tube holder is connected with the end sealing of branch chamber;Described branch chamber and confluxing
Chamber is respectively the cavity closed, and many regularly arranged cooling tubes form cooling tube array;Described branch chamber, cooling tube array and
Chamber of confluxing is sequentially connected with;The end in described chamber of confluxing is connected with flue gas exit pipe;It is clean that flue gas exit pipe is connected to follow-up dedusting
Change unit or flue gas analyzer.
2. burner hearth component sampling apparatus as claimed in claim 1, it is characterised in that farther include waterway, be sequentially connected with
Branch chamber, cooling tube array and chamber of confluxing be arranged in waterway, water inlet is set in one end of waterway, at waterway
The other end arranges outlet.
3. burner hearth component sampling apparatus as claimed in claim 2, it is characterised in that described waterway include waterway leading portion and
Waterway back segment, water inlet and outlet are separately positioned on waterway leading portion and waterway back segment;Described waterway leading portion and water
It is tightly connected between cold cavity rear end;Probe tube holder through waterway leading portion and is tightly connected with waterway leading portion, is connected to
Branch chamber;Flue gas exit pipe passes waterway back segment, and is tightly connected with waterway back segment.
4. burner hearth component sampling apparatus as claimed in claim 2, it is characterised in that described waterway uses cylindrical or long
Cube shape;Overall employing stainless steel.
5. burner hearth component sampling apparatus as claimed in claim 3, it is characterised in that before described probe tube holder and waterway
Duan Caiyong sampling hermetic collar realizes being tightly connected;Flue gas exit pipe and waterway back segment use output hermetic collar to realize sealing
Connect.
6. burner hearth component sampling apparatus as claimed in claim 3, it is characterised in that described waterway leading portion and waterway back segment
Waterway adpting flange is used to realize being tightly connected, fixing seal pad in waterway adpting flange.
7. burner hearth component sampling apparatus as claimed in claim 1, it is characterised in that described gas sampling probe is fixed on probe tube
In cutting ferrule, probe tube cutting ferrule is clipped in sampling adpting flange.
8. burner hearth component sampling apparatus as claimed in claim 1, it is characterised in that when sampled point temperature is less than 600 DEG C, institute
State gas sampling probe and use stainless steel;When sampled point temperature is between 600~1600 DEG C, described gas sampling probe uses just
Beautiful material or titanium alloy;When sampled point temperature is higher than 1600 DEG C, described gas sampling probe uses titanium alloy, zirconium oxide or tungsten
Molybdenum alloy material;The diameter of described gas sampling probe is between 4mm~30mm.
9. burner hearth component sampling apparatus as claimed in claim 1, it is characterised in that described cooling tube array uses circumference type row
Row, or use linear arrangement;The material of cooling tube uses fine copper material or stainless steel.
10. burner hearth component sampling apparatus as claimed in claim 1, it is characterised in that farther include radiating fin is described scattered
Hot fin is arranged on the cooling tube outer wall of cooling tube array.
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CN201620647138.5U CN205785975U (en) | 2016-06-27 | 2016-06-27 | A kind of resistant to elevated temperatures burner hearth component sampling apparatus |
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CN201620647138.5U CN205785975U (en) | 2016-06-27 | 2016-06-27 | A kind of resistant to elevated temperatures burner hearth component sampling apparatus |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110133187A (en) * | 2019-04-19 | 2019-08-16 | 江苏玫克森环保科技有限公司 | A kind of online high-precision denitrating flue gas the escaping of ammonia detection system |
CN110411791A (en) * | 2019-07-22 | 2019-11-05 | 武汉科技大学 | A kind of particulate collection device being enriched with performance for analyzing trace element high temperature |
CN111157298A (en) * | 2020-01-08 | 2020-05-15 | 中国辐射防护研究院 | Gas processing system sampling device with uniformly distributed gas flows among multiple sample cups |
CN112378715A (en) * | 2020-11-29 | 2021-02-19 | 同济大学 | Water-cooled gas sampling rake |
CN112747331A (en) * | 2019-10-29 | 2021-05-04 | 中国石油化工股份有限公司 | Skid-mounted boiler flue gas cooling and dehydrating device |
CN112798365A (en) * | 2021-01-04 | 2021-05-14 | 深圳市能源环保有限公司 | Novel waste incineration high temperature flue gas sampling gun |
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2016
- 2016-06-27 CN CN201620647138.5U patent/CN205785975U/en active Active
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110133187A (en) * | 2019-04-19 | 2019-08-16 | 江苏玫克森环保科技有限公司 | A kind of online high-precision denitrating flue gas the escaping of ammonia detection system |
CN110411791A (en) * | 2019-07-22 | 2019-11-05 | 武汉科技大学 | A kind of particulate collection device being enriched with performance for analyzing trace element high temperature |
CN112747331A (en) * | 2019-10-29 | 2021-05-04 | 中国石油化工股份有限公司 | Skid-mounted boiler flue gas cooling and dehydrating device |
CN111157298A (en) * | 2020-01-08 | 2020-05-15 | 中国辐射防护研究院 | Gas processing system sampling device with uniformly distributed gas flows among multiple sample cups |
CN112378715A (en) * | 2020-11-29 | 2021-02-19 | 同济大学 | Water-cooled gas sampling rake |
CN112378715B (en) * | 2020-11-29 | 2022-04-05 | 同济大学 | Water-cooled gas sampling rake |
CN112798365A (en) * | 2021-01-04 | 2021-05-14 | 深圳市能源环保有限公司 | Novel waste incineration high temperature flue gas sampling gun |
CN112798365B (en) * | 2021-01-04 | 2024-05-03 | 深圳市能源环保有限公司 | Novel garbage incineration high-temperature flue gas sampling gun |
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