CN220772692U - Boiler flue gas sampling equipment - Google Patents
Boiler flue gas sampling equipment Download PDFInfo
- Publication number
- CN220772692U CN220772692U CN202322351128.XU CN202322351128U CN220772692U CN 220772692 U CN220772692 U CN 220772692U CN 202322351128 U CN202322351128 U CN 202322351128U CN 220772692 U CN220772692 U CN 220772692U
- Authority
- CN
- China
- Prior art keywords
- chamber
- flue gas
- connecting pipe
- communicated
- boiler flue
- 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.)
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Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000003546 flue gas Substances 0.000 title claims abstract description 37
- 238000005070 sampling Methods 0.000 title claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 238000004062 sedimentation Methods 0.000 claims abstract description 16
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 239000007921 spray Substances 0.000 claims description 13
- 239000000779 smoke Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 239000002028 Biomass Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000005465 channeling Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the field of sampling equipment, in particular to boiler flue gas sampling equipment. Including the connecting pipe, still include: a suction fan positioned inside the connecting pipe; the cooling chamber is fixedly connected to the other side of the filter screen through a bolt, the other side of the cooling chamber is communicated with a sedimentation chamber, and the other side of the sedimentation chamber is communicated with a collecting chamber; the cleaning component is arranged in the settling chamber and the collecting chamber and used for cleaning the settling chamber and the collecting chamber, so that the technical problems that in the prior art, due to the fact that particulate matters and dust exist in the flue gas after combustion treatment, certain influence is caused when components of the flue gas are analyzed, the flue gas needs to be effectively dedusted, a large amount of dust is contained in the flue gas, the temperature of the flue gas discharged by combustion is generally about 260 ℃, the temperature of sampling is relatively high, the sampling is difficult, and meanwhile, the temperature is required to be reduced when monitoring after the sampling.
Description
Technical Field
The utility model relates to the technical field of sampling equipment, in particular to boiler flue gas sampling equipment.
Background
At present, biomass boilers in thermal power plants directly burn biomass as fuel, energy generated by combustion is used for power generation, the main combustion modes of the biomass boilers used for power generation at present are fluidized bed combustion boilers and layer combustion boilers, the smoke generated by the biomass boilers during combustion contains harmful substances polluting the environment, oxygen, carbon monoxide, nitrogen oxides, sulfur dioxide and the like in the smoke are important monitoring parameters, accurate smoke components are required for calculating boiler efficiency, air leakage rate of an air preheater, pollutant emission value and the like, the smoke components are required to be collected for solving the harmful substances, and then the internal components are analyzed, so that the measurement of the smoke components is an important content of a thermal power unit, more accurate smoke component measurement is required, and the smoke sampling device is also required to be more and more highly demanded.
The boiler flue gas is usually discharged through a longer smoke exhaust pipeline, and because the burnt particulate dust exists in the flue gas after combustion treatment, the flue gas is required to be dedusted effectively when the components of the flue gas are analyzed, the flue gas is treated to contain a large amount of dust, the temperature of the flue gas discharged by combustion is generally about 260 ℃, the sampling temperature is higher, the sampling is difficult, and meanwhile, the sampling is required to be cooled when the flue gas is monitored after the sampling, so that the boiler flue gas sampling equipment is provided.
Disclosure of Invention
The utility model aims to provide boiler flue gas sampling equipment, which comprises a connecting pipe and further comprises:
a suction fan positioned inside the connecting pipe;
the ash discharging pipe is communicated with the bottom of the connecting pipe through an ash discharging valve;
the installation assembly is annularly arranged outside the connecting pipe and is used for fixedly installing the suction fan and the connecting pipe;
the filter screen is fixedly connected to one side of the connecting pipe through a bolt;
the cooling chamber is fixedly connected to the other side of the filter screen through a bolt, the other side of the cooling chamber is communicated with a sedimentation chamber, and the other side of the sedimentation chamber is communicated with a collecting chamber;
and the cleaning component is arranged in the settling chamber and the collecting chamber and is used for cleaning the settling chamber and the collecting chamber.
As a further improvement of the technical scheme, the mounting assembly comprises a connecting plate which is annularly arranged outside the connecting pipe, a T-shaped plate is annularly arranged on one side of the suction fan, a guide groove for the movement of the T-shaped plate is formed in the other side of the connecting pipe, fixing bolts are arranged between every two connecting plates, and a plurality of T-shaped plates are fixedly connected with the connecting pipe through the fixing bolts.
As a further improvement of the technical scheme, the connecting pipe, the cooling chamber, the sedimentation chamber and the collecting chamber are all made of stainless steel materials.
As the further improvement of this technical scheme, wash the subassembly and include annular array at the inside first shower nozzle of settling chamber and the inside second shower nozzle of collecting chamber, the outside of cooling chamber is equipped with the water tank, the outside annular array of settling chamber has the water suction pump, and is a plurality of the water inlet end of water suction pump all is linked together through the inside of pipeline with the water tank, and is a plurality of the water outlet end of water suction pump all is linked together there is the bleeder, and is a plurality of two water outlet ends of bleeder are linked together with the inside of first shower nozzle and second shower nozzle respectively.
As a further improvement of the technical scheme, the inside of the cooling chamber and the inside of the sedimentation chamber are symmetrically provided with non-return plates.
As a further improvement of the technical scheme, the other side of the collecting chamber is communicated with a smoke exhaust pipe through an electromagnetic valve.
Compared with the prior art, the utility model has the beneficial effects that:
this among boiler flue gas sampling equipment, through installation component, filter screen and the settling chamber that sets up, can detect the impurity in the flue gas effectively to improved the precision of sampling, the use of cooling chamber has adopted simple structure's water tank heat absorption method, carries out the cooling of flue gas, when needs change the fan that induced drafts, only need can dismantle and install it through installation component, cleaning component can wash settling chamber and collecting chamber's inside effectively, labour saving and time saving.
Drawings
FIG. 1 is a schematic overall perspective view of the present utility model;
FIG. 2 is a schematic view of a disassembled perspective structure of the present utility model;
FIG. 3 is a schematic view of a schematic cross-sectional perspective of a settling chamber and a collection chamber of the present utility model;
fig. 4 is a schematic perspective view of the electromagnetic valve and the smoke exhaust pipe in the utility model.
The meaning of each reference sign in the figure is:
1. a connecting pipe; 2. a suction fan; 3. a T-shaped plate; 4. a connecting plate; 5. a fixing bolt; 6. a filter screen; 7. a water tank; 8. a settling chamber; 9. a collection chamber; 10. a water suction pump; 11. a branch pipe; 12. a cooling chamber; 13. an ash discharge valve; 14. a non-return plate; 15. a second nozzle; 16. an electromagnetic valve; 17. a smoke exhaust pipe; 18. an ash discharge pipe; 19. a first spray head.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an embodiment provides a boiler flue gas sampling apparatus, including a connecting pipe 1, further including:
a suction fan 2 positioned inside the connection pipe 1;
an ash discharge pipe 18 communicated with the bottom of the connecting pipe 1 through an ash discharge valve 13;
the installation component is annularly arranged outside the connecting pipe 1 and is used for fixedly installing the air suction fan 2 and the connecting pipe 1;
the filter screen 6 is fixedly connected to one side of the connecting pipe 1 through bolts;
the cooling chamber 12 is fixedly connected to the other side of the filter screen 6 through a bolt, the other side of the cooling chamber 12 is communicated with the sedimentation chamber 8, and the other side of the sedimentation chamber 8 is communicated with the collecting chamber 9;
the cleaning component is arranged in the settling chamber 8 and the collecting chamber 9 and is used for cleaning the settling chamber 8 and the collecting chamber 9.
The working principle is as follows: the filter screen 6 and the sedimentation chamber 8 can detect the impurity in the flue gas effectively to improve the precision of sampling, the use of cooling chamber 12 has adopted the 7 endothermic methods of simple structure's water tank, carries out the cooling of flue gas, when needs change fan 2 induced drafts, only need through the installation component can dismantle and install it, washs the inside of subassembly 8 and collection chamber 9 can be washd sedimentation chamber effectively, labour saving and time saving.
Considering when the fan 2 that induced drafts after long-time use, the condition such as ash fall and damage can not appear, so the installation component includes annular array at the outside connecting plate 4 of connecting pipe 1, the annular array of one side of fan 2 that induced drafts has T shaped plate 3, the guide way that supplies T shaped plate 3 activity has been seted up to the opposite side of connecting pipe 1, all be equipped with between every two connecting plates 4 and fix the bolt 5, all carry out fixed connection through the bolt 5 between a plurality of T shaped plates 3 and the connecting pipe 1, when need dismantle the change to fan 2, only need unscrew the bolt 5, take out the guide way of T shaped plate 3 follow connecting pipe 1 opposite side again, can dismantle fan 2 that induced drafts this moment, thereby the staff of being convenient for cleans it and changes.
In order to prevent the device from rusting and the like after long-term use, the connecting pipe 1, the cooling chamber 12, the sedimentation chamber 8 and the collecting chamber 9 are all made of stainless steel materials, and the stainless steel materials can effectively prevent the device from rusting and the like after long-term use, so that the service life of the device is prolonged.
Considering when the device is used for a long time, the interior of the settling chamber and the collecting chamber 9 needs to be cleaned, so the cleaning assembly comprises a first spray head 19 annularly arranged in the settling chamber 8 and a second spray head 15 internally arranged in the collecting chamber 9, the water tank 7 is arranged outside the cooling chamber 12, the water suction pump 10 is annularly arranged outside the settling chamber 8, the water inlet ends of the water suction pumps 10 are communicated with the interior of the water tank 7 through pipelines, the water outlet ends of the water suction pumps 10 are communicated with the branch pipes 11, the two water outlet ends of the branch pipes 11 are respectively communicated with the interiors of the first spray head 19 and the second spray head 15, when the interiors of the settling chamber and the collecting chamber 9 need to be cleaned, the water suction pump 10 starts to operate, and at the moment, the water in the water tank 7 can be sucked into the branch pipes 11, and then is transmitted to the interiors of the first spray head 19 and the second spray head 15 through the branch pipes 11, and at the moment, the interiors of the settling chamber 8 can be cleaned through the first spray head 19, and the interiors of the collecting chamber 9 can be cleaned through the second spray head 15.
Because the data are not accurate enough due to the mutual flow channeling of the flue gas in the device, the check plates 14 are symmetrically arranged in the cooling chamber 12 and the sedimentation chamber 8, and the check plates 14 can effectively prevent the flue gas from flowing channeling each other in the device, so that the data are not accurate enough.
In addition, in order to conveniently fill the flue gas into other containers, the other side of the collecting chamber 9 is communicated with a flue gas discharge pipe 17 through an electromagnetic valve 16, when the flue gas needs to be filled into other containers, the electromagnetic valve 16 is opened, and the flue gas can be transmitted into the interiors of other containers through the flue gas discharge pipe 17.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. Boiler flue gas sampling equipment, including connecting pipe (1), its characterized in that: further comprises:
a suction fan (2) positioned inside the connecting pipe (1);
an ash discharging pipe (18) communicated with the bottom of the connecting pipe (1) through an ash discharging valve (13);
the installation assembly is annularly arranged outside the connecting pipe (1) and is used for fixedly installing the suction fan (2) and the connecting pipe (1);
the filter screen (6) is fixedly connected to one side of the connecting pipe (1) through bolts;
the cooling chamber (12) is fixedly connected to the other side of the filter screen (6) through a bolt, the other side of the cooling chamber (12) is communicated with the sedimentation chamber (8), and the other side of the sedimentation chamber (8) is communicated with the collecting chamber (9);
and the cleaning component is arranged in the settling chamber (8) and the collecting chamber (9) and is used for cleaning the interiors of the settling chamber (8) and the collecting chamber (9).
2. A boiler flue gas sampling apparatus according to claim 1, wherein: the installation component includes annular array connecting plate (4) outside connecting pipe (1), the annular array in one side of induced draft fan (2) has T shaped plate (3), the guide way that supplies T shaped plate (3) activity has been seted up to the opposite side of connecting pipe (1), every two all be equipped with dead bolt (5) between connecting plate (4), a plurality of all carry out fixed connection through dead bolt (5) between T shaped plate (3) and connecting pipe (1).
3. A boiler flue gas sampling apparatus according to claim 1, wherein: the connecting pipe (1), the cooling chamber (12), the sedimentation chamber (8) and the collecting chamber (9) are all made of stainless steel materials.
4. A boiler flue gas sampling apparatus according to claim 1, wherein: the cleaning assembly comprises a first spray head (19) arranged in a settling chamber (8) and a second spray head (15) arranged in a collecting chamber (9), a water tank (7) is arranged outside a cooling chamber (12), a water suction pump (10) is arranged on the outer annular array of the settling chamber (8), water inlet ends of the water suction pump (10) are communicated with the inside of the water tank (7) through pipelines, water outlet ends of the water suction pump (10) are communicated with a branch pipe (11), and two water outlet ends of the branch pipe (11) are respectively communicated with the interiors of the first spray head (19) and the second spray head (15).
5. A boiler flue gas sampling apparatus according to claim 1, wherein: and the cooling chamber (12) and the sedimentation chamber (8) are internally and symmetrically provided with non-return plates (14).
6. A boiler flue gas sampling apparatus according to claim 1, wherein: the other side of the collecting chamber (9) is communicated with a smoke exhaust pipe (17) through an electromagnetic valve (16).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322351128.XU CN220772692U (en) | 2023-08-31 | 2023-08-31 | Boiler flue gas sampling equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322351128.XU CN220772692U (en) | 2023-08-31 | 2023-08-31 | Boiler flue gas sampling equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220772692U true CN220772692U (en) | 2024-04-12 |
Family
ID=90620906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322351128.XU Active CN220772692U (en) | 2023-08-31 | 2023-08-31 | Boiler flue gas sampling equipment |
Country Status (1)
Country | Link |
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CN (1) | CN220772692U (en) |
-
2023
- 2023-08-31 CN CN202322351128.XU patent/CN220772692U/en active Active
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