CN205192811U - Boiler efficiency test flue gas sampler - Google Patents
Boiler efficiency test flue gas sampler Download PDFInfo
- Publication number
- CN205192811U CN205192811U CN201521062342.2U CN201521062342U CN205192811U CN 205192811 U CN205192811 U CN 205192811U CN 201521062342 U CN201521062342 U CN 201521062342U CN 205192811 U CN205192811 U CN 205192811U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- drying device
- smoke
- efficiency test
- boiler efficiency
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a boiler efficiency test flue gas sampler, including flue gas sampling pipe and sample case, the sample incasement is equipped with filter equipment, drying device and vacuum pump, flue gas sampling pipe one end is used for the directness and waits to take a sample the flue gas contact, and the other end is connected with filter equipment, filter equipment and drying device are connected, drying device and vacuum pump connection, be equipped with first stop valve between flue gas sampling pipe and the filter equipment, be equipped with the second stop valve between drying device and the vacuum pump. The utility model discloses boiler efficiency test flue gas sampler has effectively reduced the flue -gas temperature, has reduced smoke and dust content, has reduced flue gas humidity, prevents effectively that the flue gas is less than sour dew point, improves the flue gas pressure of sample pipeline, guarantees flue gas analyzer's normal work, and the trouble that reduces flue gas analyzer takes place.
Description
Technical field
The utility model relates to smoke sampling and test and analysis technology field, is specially a kind of boiler efficiency test smoke sampling device.
Background technology
Need during boiler efficiency test to detect smoke components.In order to prevent exhaust gases passes leakage contribution smoke components from measuring, usual point layout is before and after back-end ductwork economizer, and the feature of this flue gas collection point is high temperature, high flue dust, high negative pressure.
The boiler efficiency that current testing agency carries out all adopts Portable smoke analysis instrument to carry out smoke components measurement, and a Portable smoke analysis instrument can to the O in flue gas
2, CO
2, SO
2, CO, CH
4, NO, NO
2content all detects.The sampling of Portable smoke analysis instrument adopts gas sampling probe directly to insert boiler back end ductwork, and tube side is short, if measuring point cigarette temperature is high, high-temperature flue gas directly enters flue gas analyzer sensor, causes faulty sensor, and flue gas analyzer cannot normally work.After high fume enters instrument, clogging sensor, smoke pipe passage, cause suction pump extraction difficult, high flue dust very easily causes suction pump fault, cause measure inaccurate.Flue gas analyzer suction pump aspiration vacuum level is all not high, and when detecting high negative pressure flue gas, suction pump is difficult to reach higher suction flow, and high negative pressure may cause flue gas inspection instrument flue gas connecting line to leak in addition, causes to measure and is forbidden.
Utility model content
The utility model provides one effectively to be reduced flue-gas temperature, reduces smoke content, reduce smoke moisture, effectively prevent flue gas lower than acid dew point, improve the flue gas pressures of sampling line, ensure the normal work of flue gas analyzer, the boiler efficiency test smoke sampling device that the fault reducing flue gas analyzer occurs.
The utility model can be achieved through the following technical solutions:
A kind of boiler efficiency test smoke sampling device, comprise flue gas sampling pipe and sampling cabinet, filtration unit, drying device and vacuum pump is provided with in described sampling cabinet, described flue gas sampling pipe one end is used for directly and smoke contacts to be sampled, the other end is connected with filtration unit, described filtration unit is connected with drying device, described drying device is connected with vacuum pump, described vacuum pump is connected with flue gas analyzer, be provided with the first stop valve between described flue gas sampling pipe and filtration unit, between described drying device and vacuum pump, be provided with the second stop valve.The setting of sampling cabinet and case inner filtration device, drying device and vacuum pump, flue gas temperature after sampling cabinet is cooled naturally, effectively avoid the faulty sensor causing flue gas analyzer because flue-gas temperature is too high, make the phenomenon that flue gas analyzer cannot normally work; The setting of filtration unit, for carrying out filtrating smoke dust to flue gas, effectively reduces the smoke content of flue gas; The setting of drying device, for carrying out desiccant dehumidification to flue gas, effectively reduces smoke moisture; The setting of vacuum pump, in order to effectively guarantee the suction flow that flue gas analyzer reaches higher, it is 40kpa that vacuum pump parameter gets import negative pressure, outlet malleation is 80kpa, peak flow is 6L/min, effectively avoid the flue gas analyzer connecting line that may cause because of negative pressure to leak, cause and measure inaccurate situation.The utility model boiler efficiency test smoke sampling device solves the high temperature that existing portable flue gas splitter exists in efficiency test smoke components, the problems such as high flue dust and high negative pressure, its temperature by sampling cabinet regulates, the filtrating smoke dust of filtration unit, the desiccant dehumidification of drying device and installing additional of vacuum pump, the utility model boiler efficiency test smoke sampling device is installed additional before flue gas analyzer, effectively reduce flue-gas temperature, decrease smoke content, reduce smoke moisture, effectively prevent the flue-gas temperature range of decrease excessive lower than acid dew point humidity simultaneously, improve the flue gas pressures of sampling line, ensure that the normal work of flue gas analyzer, the fault decreasing flue gas analyzer occurs.The utility model boiler efficiency test smoke sampling device can overcome up to the continuous on-line period detection of the flue gas under 300 degree of flue gases, high flue dust, high negative pressure condition.
Further, the exit of described vacuum pump is provided with pressure-regulating valve, effectively prevents the too high normal work affecting flue gas analyzer of top hole pressure.
Further, in order to effectively guarantee that the temperature entering flue gas analyzer is in the induction range of analyser sensor, too highly can not cause analyser faulty sensor, the normal work of effective guarantee analyser sensor, be provided with the cooling fan for lowering the temperature in described sampling cabinet, the wind direction of described cooling fan is towards filtration unit and drying device.
Further, because flue gas sampling pipe is in the outside of sampling cabinet, in order to effectively prevent the flue-gas temperature range of decrease excessive lower than acid dew-point temperature, described flue gas sampling pipe is made up of stainless-steel tube, and described flue gas sampling tube outer surface cover has heat-preservation cotton or is coated with heat-preservation cotton.
Further, described filtration unit comprises one-level smoke filter and secondary smoke filter, described drying device comprises one-level exsiccator, secondary drying device and three-stage drying device, described one-level smoke filter, one-level exsiccator, secondary smoke filter, secondary drying device and three-stage drying device set gradually, described one-level smoke filter is connected with flue gas sampling pipe, and described three-stage drying device is connected with vacuum pump.The two-stage filtration of one-level smoke filter and secondary smoke filter is arranged, and filters out the flue dust in sampling flue gas preferably, and the three-stage drying of one-level exsiccator, secondary drying device and three-stage drying device is arranged, and effectively reduces smoke moisture.
Further, described one-level smoke filter and secondary smoke filter are the cotton candle filter of high temperature.
Further, the plexiglass box that described one-level exsiccator, secondary drying device are identical with sized by three-stage drying device, the external diameter of container is 40mm, and long is 300mm.
Further, 4A molecular sieve desiccant is filled out in described one-level exsiccator and secondary drying device.
Further, in described three-stage drying device, fill out discolour silica gel drying agent, after the change of discolour silica gel color was lost efficacy, carry out drying regeneration.
The utility model boiler efficiency test smoke sampling device, has following beneficial effect:
The utility model boiler efficiency test smoke sampling device is installed additional before flue gas analyzer, effectively reduce flue-gas temperature, decrease smoke content, reduce smoke moisture, effectively prevent the flue-gas temperature range of decrease excessive lower than acid dew point humidity simultaneously, improve the flue gas pressures of sampling line, ensure that the normal work of flue gas analyzer, the fault decreasing flue gas analyzer occurs.The utility model boiler efficiency test smoke sampling device can overcome up to the continuous on-line period detection of the flue gas under 300 degree of flue gases, high flue dust, high negative pressure condition.
Accompanying drawing explanation
Fig. 1 is the functional-block diagram of the utility model boiler efficiency test smoke sampling device.
Embodiment
In order to make those skilled in the art person understand the technical solution of the utility model better, below in conjunction with embodiment and accompanying drawing, the utility model product is described in further detail.
As shown in Figure 1, a kind of boiler efficiency test smoke sampling device, comprise flue gas sampling pipe 1 and sampling cabinet, filtration unit, drying device and vacuum pump 9 is provided with in described sampling cabinet, described flue gas sampling pipe 1 one end is used for directly and smoke contacts to be sampled, the other end is connected with filtration unit, described filtration unit is connected with drying device, described drying device is connected with vacuum pump 9, described vacuum pump 9 is connected with flue gas analyzer, be provided with the first stop valve 2 between described flue gas sampling pipe 1 and filtration unit, between described drying device and vacuum pump 9, be provided with the second stop valve 11.The setting of sampling cabinet and case inner filtration device, drying device and vacuum pump 9, flue gas temperature after sampling cabinet is cooled naturally, effectively avoid the faulty sensor causing flue gas analyzer because flue-gas temperature is too high, make the phenomenon that flue gas analyzer cannot normally work; The setting of filtration unit, for carrying out filtrating smoke dust to flue gas, effectively reduces the smoke content of flue gas; The setting of drying device, for carrying out desiccant dehumidification to flue gas, effectively reduces smoke moisture; The setting of vacuum pump 9, in order to effectively guarantee the suction flow that flue gas analyzer reaches higher, it is 40kpa that vacuum pump 9 parameter gets import negative pressure, outlet malleation is 80kpa, peak flow is 6L/min, effectively avoid the flue gas analyzer connecting line that may cause because of negative pressure to leak, cause and measure inaccurate situation.The utility model boiler efficiency test smoke sampling device solves the high temperature that existing portable flue gas splitter exists in efficiency test smoke components, the problems such as high flue dust and high negative pressure, its temperature by sampling cabinet regulates, the filtrating smoke dust of filtration unit, the desiccant dehumidification of drying device and installing additional of vacuum pump 9, the utility model boiler efficiency test smoke sampling device is installed additional before flue gas analyzer, effectively reduce flue-gas temperature, decrease smoke content, reduce smoke moisture, effectively prevent the flue-gas temperature range of decrease excessive lower than acid dew point humidity simultaneously, improve the flue gas pressures of sampling line, ensure that the normal work of flue gas analyzer, the fault decreasing flue gas analyzer occurs.The utility model boiler efficiency test smoke sampling device can overcome up to the continuous on-line period detection of the flue gas under 300 degree of flue gases, high flue dust, high negative pressure condition.
As shown in Figure 1, the exit of described vacuum pump 9 is provided with pressure-regulating valve 10, effectively prevents the too high normal work affecting flue gas analyzer of top hole pressure.
As shown in Figure 1, in order to effectively guarantee that the temperature entering flue gas analyzer is in the induction range of analyser sensor, too highly can not cause analyser faulty sensor, the normal work of effective guarantee analyser sensor, be provided with the cooling fan 3 for lowering the temperature in described sampling cabinet, the wind direction of described cooling fan 3 is towards filtration unit and drying device.
As shown in Figure 1, because flue gas sampling pipe 1 is in the outside of sampling cabinet, in order to effectively prevent the flue-gas temperature range of decrease excessive lower than acid dew-point temperature, described flue gas sampling pipe 1 is made up of stainless-steel tube, and described flue gas sampling pipe 1 appearance surface cover has heat-preservation cotton or is coated with heat-preservation cotton.
As shown in Figure 1, described filtration unit comprises one-level smoke filter 4 and secondary smoke filter 6, described one-level smoke filter 4 and secondary smoke filter 6 are the cotton candle filter of high temperature.Described drying device comprises one-level exsiccator 5, secondary drying device 7 and three-stage drying device 8, the plexiglass box that described one-level exsiccator 5, secondary drying device 7 are identical with sized by three-stage drying device 8, the external diameter of container is 40mm, long is 300mm, 4A molecular sieve desiccant is filled out in described one-level exsiccator 5 and secondary drying device 7, fill out discolour silica gel drying agent in described three-stage drying device 8, after the change of discolour silica gel color was lost efficacy, carry out drying regeneration.Described one-level smoke filter 4, one-level exsiccator 5, secondary smoke filter 6, secondary drying device 7 and three-stage drying device 8 set gradually, and described one-level smoke filter 4 is connected with flue gas sampling pipe 1, and described three-stage drying device 8 is connected with vacuum pump 9.The two-stage filtration of one-level smoke filter 4 and secondary smoke filter 6 is arranged, and filters out the flue dust in sampling flue gas preferably, and the three-stage drying of one-level exsiccator 5, secondary drying device 7 and three-stage drying device 8 is arranged, and effectively reduces smoke moisture.
The above, be only preferred embodiment of the present utility model, not does any pro forma restriction to the utility model; The those of ordinary skill of all industry all can shown in by specification accompanying drawing and the above and implement the utility model swimmingly; But all those skilled in the art are not departing within the scope of technical solutions of the utility model, disclosed above technology contents can be utilized and make a little change, modify with differentiation equivalent variations, be Equivalent embodiments of the present utility model; Meanwhile, all according to substantial technological of the present utility model to the change of any equivalent variations that above embodiment is done, modify and differentiation etc., within the protection domain all still belonging to the technical solution of the utility model.
Claims (10)
1. a boiler efficiency test smoke sampling device, comprise flue gas sampling pipe and sampling cabinet, it is characterized in that: in described sampling cabinet, be provided with filtration unit, drying device and vacuum pump, described flue gas sampling pipe one end is used for directly and smoke contacts to be sampled, the other end is connected with filtration unit, described filtration unit is connected with drying device, described drying device is connected with vacuum pump, be provided with the first stop valve between described flue gas sampling pipe and filtration unit, between described drying device and vacuum pump, be provided with the second stop valve.
2. boiler efficiency test smoke sampling device according to claim 1, is characterized in that: the exit of described vacuum pump is provided with pressure-regulating valve.
3. boiler efficiency test smoke sampling device according to claim 2, it is characterized in that: be provided with cooling fan in described sampling cabinet, the wind direction of described cooling fan is towards filtration unit and drying device.
4. boiler efficiency test smoke sampling device according to claim 1, is characterized in that: described flue gas sampling pipe is made up of stainless-steel tube.
5. boiler efficiency test smoke sampling device according to claim 4, is characterized in that: described flue gas sampling tube outer surface cover has heat-preservation cotton or is coated with heat-preservation cotton.
6. the boiler efficiency test smoke sampling device according to any one of claim 1 to 5 claim, it is characterized in that: described filtration unit comprises one-level smoke filter and secondary smoke filter, described drying device comprises one-level exsiccator, secondary drying device and three-stage drying device, described one-level smoke filter, one-level exsiccator, secondary smoke filter, secondary drying device and three-stage drying device set gradually, described one-level smoke filter is connected with flue gas sampling pipe, and described three-stage drying device is connected with vacuum pump.
7. boiler efficiency test smoke sampling device according to claim 6, is characterized in that: described one-level smoke filter and secondary smoke filter are the cotton candle filter of high temperature.
8. boiler efficiency test smoke sampling device according to claim 7, is characterized in that: the plexiglass box that described one-level exsiccator, secondary drying device are identical with sized by three-stage drying device, and the external diameter of container is 40mm, and long is 300mm.
9. boiler efficiency test smoke sampling device according to claim 8, is characterized in that: fill out 4A molecular sieve desiccant in described one-level exsiccator and secondary drying device.
10. boiler efficiency test smoke sampling device according to claim 9, is characterized in that: fill out discolour silica gel drying agent in described three-stage drying device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521062342.2U CN205192811U (en) | 2015-12-18 | 2015-12-18 | Boiler efficiency test flue gas sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521062342.2U CN205192811U (en) | 2015-12-18 | 2015-12-18 | Boiler efficiency test flue gas sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205192811U true CN205192811U (en) | 2016-04-27 |
Family
ID=55785790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521062342.2U Expired - Fee Related CN205192811U (en) | 2015-12-18 | 2015-12-18 | Boiler efficiency test flue gas sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205192811U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769246A (en) * | 2016-12-22 | 2017-05-31 | 华电电力科学研究院 | A kind of method and device for power plant sulfur dioxide concentration Site Detection |
| CN107884256A (en) * | 2017-12-27 | 2018-04-06 | 贵州大学 | A kind of smoke gas analysis equipment that can give flue gas cool-down dedusting |
| CN107917834A (en) * | 2017-12-27 | 2018-04-17 | 贵州大学 | It is a kind of can anti-dust smoke gas analysis equipment |
| CN108344616A (en) * | 2018-01-31 | 2018-07-31 | 锦州中科制管有限公司 | Coal gas on-line analysis pretreatment system and method |
| CN108843552A (en) * | 2018-06-20 | 2018-11-20 | 淮浙煤电有限责任公司凤台发电分公司 | A kind of condenser vacuum pump exhaust hydrogen gas measuring device |
-
2015
- 2015-12-18 CN CN201521062342.2U patent/CN205192811U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769246A (en) * | 2016-12-22 | 2017-05-31 | 华电电力科学研究院 | A kind of method and device for power plant sulfur dioxide concentration Site Detection |
| CN107884256A (en) * | 2017-12-27 | 2018-04-06 | 贵州大学 | A kind of smoke gas analysis equipment that can give flue gas cool-down dedusting |
| CN107917834A (en) * | 2017-12-27 | 2018-04-17 | 贵州大学 | It is a kind of can anti-dust smoke gas analysis equipment |
| CN108344616A (en) * | 2018-01-31 | 2018-07-31 | 锦州中科制管有限公司 | Coal gas on-line analysis pretreatment system and method |
| CN108843552A (en) * | 2018-06-20 | 2018-11-20 | 淮浙煤电有限责任公司凤台发电分公司 | A kind of condenser vacuum pump exhaust hydrogen gas measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205192811U (en) | Boiler efficiency test flue gas sampler | |
| CN106053375B (en) | A kind of coal-fired plant flue gas pollutant minimum discharge on-line monitoring system | |
| CN205562259U (en) | A flue gas preprocessor for fume emission continuous monitor system | |
| CN102967491B (en) | Particle sampling device and utilize this device to carry out the method for particle detection | |
| CN202041434U (en) | Paper ventilation performance test system | |
| CN205643314U (en) | Gaseous composition sensor probe of integrated form and detection structure | |
| CN202024990U (en) | Anti-explosion pump suction type double-gas analyzer | |
| CN204228688U (en) | A kind of VOC gas and NMHC gas-detecting device | |
| CN202614743U (en) | Solid waste smoke on-line monitoring and analyzing device | |
| CN208488433U (en) | The sample gas analytical equipment of water removal is swept and condensed with blowback | |
| CN107153022A (en) | A kind of online coke oven flue gas analytical instrument pretreatment system | |
| CN210923465U (en) | Carbon dioxide on-line monitoring system of coal-fired power plant | |
| CN205300874U (en) | Gas tightness detection device | |
| CN205404217U (en) | Sulfur dioxide flue gas sampling device | |
| CN208721484U (en) | A kind of flue gas pre-processing device | |
| CN202166609U (en) | Ultraviolet difference smoke density monitoring system using hot wet extraction method | |
| CN207601049U (en) | A kind of novel C EMS reverse blow devices | |
| CN212904782U (en) | Fixed pollution sources VOCs on-line monitoring device | |
| CN105334148A (en) | Air purification filter element performance analysis detector | |
| CN212568675U (en) | Probe convenient to replace for gas detector | |
| CN210376301U (en) | Sampling device for simultaneously measuring oxygen content and humidity of high-temperature flue gas | |
| CN209231043U (en) | A kind of flue gas sampling probe | |
| CN205808782U (en) | A kind of vacuum withdraw device of short neck nozzle | |
| CN209043848U (en) | A kind of analysis of total sulfur system | |
| CN201811937U (en) | Intelligent high-stability online sulfur dioxide monitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20211218 |