CN205003055U - Dust remover filter element test evaluation device - Google Patents
Dust remover filter element test evaluation device Download PDFInfo
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- CN205003055U CN205003055U CN201520727856.9U CN201520727856U CN205003055U CN 205003055 U CN205003055 U CN 205003055U CN 201520727856 U CN201520727856 U CN 201520727856U CN 205003055 U CN205003055 U CN 205003055U
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Abstract
The utility model relates to a test evaluation device, concretely relates to dust remover filter element test evaluation device, including admitting air dust -laden gas analog system, regenerate anti - blowing air system, filter, measurement control system, the dust -laden gas analog system that admits air is including admitting air the compressor, and the compressor that admits air is connecting gradually the buffer tank that admits air, heater, air mass flow meter and is adding grey device through the compressed gas pipeline, the anti - blowing air system that regenerates includes the blowback compressor, and the blowback compressor is connecting gradually blowback buffer tank, solenoid proportional valve and blowback nozzle through blowback trachea way, the utility model discloses structural design is ingenious reasonable, easily operation, and the dirty gas under different pressure and the temperature can be simulated to equipment operation safety and stability among the test procedure, through controlling different gas flow rate, temperature, pressure and dustiness, realizes under the different work condition test and appraisal to filtration pressure drop, filter fineness and efficiency and the blowback performance of filter element, provides comparatively good reference data for the application of filter element.
Description
Technical field
The utility model relates to a kind of test evaluation device, is specifically related to a kind of fly-ash separator filtering element test evaluation device.
Background technology
Coal is as a kind of main energy, its consumption accounts for about 70% of Chinese total energy consumption, utilize in process at coal, in the process of particularly coal combustion and coal gasification, a large amount of flying dusts can be produced, the flying dust produced not only can cause environmental pollution, and can reduce the quality of coal gas, affects the use of follow-up coal gas.This just needs high precision, the filtering element of withstand high temperatures high pressure carries out coal ash dust removal by filtration to it, to reach environmental emission or gas utilize requirement.
The filtering elements such as existing ceramic element dedusting, metal filtering core dedusting have higher efficiency and precision when dedusting, and can withstand higher temperatures and pressure.These filtering elements can use normally with its filtration pressure drop, filtration efficiency and precision and blowback performance closely bound up, filter pressure drop less, illustrate that element permeability is higher; The height of filtration efficiency and precision directly affects the gas dust content after filtering element process, decides the quality of coal gas; Filtering element serviceable life and on-line regeneration efficiency have very large associating with its pulse cleaning performance, need now a kind of fly-ash separator filtering element test evaluation device badly, can carry out effectively evaluating to filtering element.
Utility model content
In order to the deficiency in solving the problems of the technologies described above, the purpose of this utility model is: provide a kind of fly-ash separator filtering element test evaluation device, by simulating different parameter values, for its practical application provides reference data, the serviceable life of filtering element can be ensured.
The technical scheme that the utility model adopts for its technical matters of solution is:
Described fly-ash separator filtering element test evaluation device, comprise air inlet ash-laden gas simulation system, regeneration blowback air system, filtrator, Measurement and Control System, air inlet ash-laden gas simulation system comprises inlet air compressor and compressed gas pipeline, and inlet air compressor is connected to air inlet surge tank, well heater, air flowmeter successively by compressed gas pipeline and adds apparatus for ash; Regeneration blowback air system comprises blowback compressor and blowback air pipeline, and blowback compressor is connected to blowback surge tank, electromagnetic impulse valve and blowback nozzle successively by blowback air pipeline; The described apparatus for ash that adds is connected with blowback air pipeline with compressed gas pipeline respectively by ash adding tube road, and ash adding tube road is provided with pneumatic valve, and compressed gas pipeline is connected with filtrator respectively with blowback air pipeline.
Further preferably, filtrator comprises housing, housing upper end is provided with the outlet of clean gas, clean gas outlet upper end connects manual ball valve and smoke dust sampling instrument successively, enclosure interior arranges tube sheet, tube sheet lower end is fixed with filtering element, the upside of tube sheet is clean gas room, downside is dusty gas room, the outside of dusty gas room is provided with tensimeter, thermocouple thermometer, dust concentration instrument, hull outside is provided with pressure difference transmitter, the two ends of pressure difference transmitter are connected with dusty gas room with clean gas room respectively, described blowback nozzle is arranged on clean gas indoor, with filtering element one_to_one corresponding, smoke dust sampling instrument is connected to clean gas outlet conduit.
Further preferably, Measurement and Control System comprises dust concentration instrument, smoke dust sampling instrument, pressure difference transmitter, pressure unit, thermopair, switch board, switch board is provided with signal input port, signal output port and power port, switch board is provided with signal input port, signal output port and power port, Measurement and Control System can Received signal strength, and controls related elements and make action.
Further preferably, add apparatus for ash and comprise and add grey housing, add grey housing and be connected with blowback air pipeline with compressed gas pipeline respectively by pneumatic valve, the upper end adding grey housing is provided with and adds grey mouth, adds Hui Kou and add between grey housing to be provided with manual ball valve.
Further preferably, signal input port is connected with tensimeter, thermocouple thermometer and pressure difference transmitter, and signal output port is connected with electromagnetic impulse valve with pneumatic valve.
Further preferably, filtering element is ceramic filter element or metal filter element, and filter effect is good.
Compared with prior art, the utility model has following beneficial effect:
The utility model smart structural design is reasonable, be easy to operation, safe and stable equipment operation in test process, the dusty gas at different pressures and temperature can be simulated, by controlling different gas flow rates, temperature, pressure and dustiness, realize the test and appraisal to the filtration pressure drop of filtering element, filtering accuracy and efficiency and blowback performance under different operating mode, the application for filtering element provides comparatively good reference data, has good value for applications.
Accompanying drawing explanation
Fig. 1 the utility model structural representation.
In figure: 1, blowback compressor; 2, blowback surge tank; 3, blowback air pipeline; 4, grey mouth is added; 5, smoke dust sampling instrument; 6, blowback nozzle; 7, tube sheet; 8, tensimeter; 9, thermocouple thermometer; 10, dust concentration instrument; 11, filtering element; 12, housing; 13, pressure difference transmitter; 14, compressed gas pipeline; 15, air flowmeter; 16, well heater; 17, air inlet surge tank; 18, inlet air compressor; 19, grey housing is added; 20, ash adding tube road; 21, pneumatic valve.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
As shown in Figure 1, fly-ash separator filtering element test evaluation device described in the utility model, comprise air inlet ash-laden gas simulation system, regeneration blowback air system, filtrator, Measurement and Control System, air inlet ash-laden gas simulation system comprises inlet air compressor 18 and compressed gas pipeline 14, and inlet air compressor 18 is connected to air inlet surge tank 17, well heater 16, air flowmeter 15 successively by compressed gas pipeline 14 and adds apparatus for ash; Regeneration blowback air system comprises blowback compressor 1 and blowback air pipeline 3, and blowback compressor 1 is connected to blowback surge tank 2, electromagnetic impulse valve and blowback nozzle 6 successively by blowback air pipeline 3; The described apparatus for ash that adds is connected with blowback air pipeline 3 with compressed gas pipeline 14 respectively by ash adding tube road 20, and ash adding tube road 20 is provided with pneumatic valve 21, and compressed gas pipeline 14 is connected with filtrator respectively with blowback air pipeline 3.
Wherein, filtrator comprises housing 12, housing 12 upper end is provided with the outlet of clean gas, clean gas outlet upper end connects manual ball valve and smoke dust sampling instrument 5 successively, housing 12 inside arranges tube sheet 7, tube sheet 7 lower end is fixed with filtering element 11, the upside of tube sheet 7 is clean gas room, downside is dusty gas room, the outside of dusty gas room is provided with tensimeter 8, thermocouple thermometer 9, dust concentration instrument 10, pressure difference transmitter 13 is provided with outside housing 12, the two ends of pressure difference transmitter 13 are connected with dusty gas room with clean gas room respectively, described blowback nozzle 6 is arranged on clean gas indoor, blowback nozzle 6 to be positioned at directly over filtering element 11 and one_to_one corresponding, be 50mm-70mm with the distance of element, Measurement and Control System comprises switch board, and switch board is provided with signal input port, signal output port and power port, and Measurement and Control System can Received signal strength, and controls related elements and make action, add apparatus for ash to comprise and add grey housing 19, add grey housing 19 and be connected with blowback air pipeline 3 with compressed gas pipeline 14 respectively by pneumatic valve 21, the upper end adding grey housing 19 is provided with and adds grey mouth 4, adds grey mouth 4 and add between grey housing 19 to be provided with manual ball valve, signal input port is connected with tensimeter 8, thermocouple thermometer 9 and dust concentration instrument 10, and signal output port is connected with electromagnetic impulse valve with pneumatic valve 21, filtering element 11 is ceramic filter element or metal filter element, and filter effect is good.
Concrete use procedure of the present utility model:
The evaluation method of test evaluation device, comprises the following steps:
(1) inlet air compressor 18 is opened, air is compressed into air inlet surge tank 17, after the safety valve of air inlet surge tank 17 is opened, start the gas circuit manual ball valve after opening air inlet surge tank 17, well heater 16 is set to certain temperature, along with the rising of air themperature, filtrator is heated gradually, when thermocouple thermometer 9 display reaches probe temperature, before adjustment well heater 16, manual ball valve and filter outlet place manual ball valve are until air flowmeter 15 and tensimeter 8 display reach flow and the force value of required test, then ash is added by adding apparatus for ash, wherein ash load, add grey frequency and flow by calculating gained, formation is made to contain grey air inlet, filter process starts to carry out.
Adding ash manipulation process is: open the manual ball valve added under grey mouth 4, add flying dust in adding in grey housing 19, close ball valve and open the pneumatic valve 21 on ash adding tube road 20 successively, flying dust is made to enter compressed gas pipeline 14, close the pneumatic valve 21 on ash adding tube road 20, pneumatic valve 21 opens instantaneously and cuts out instantaneously, and in blowback surge tank 2, pressure gas drives flying dust and pressurized air to be mixed to form dust-laden air inlet.
(2) along with the carrying out of experimental test, the cake layer on filtering element 11 surface thickeies gradually, the filtration pressure drop of filtering element 11 becomes large gradually, filter pressure drop numerical value and deliver to control system by pressure difference transmitter 13 change, and in switch board display screen display, when filtering pressure drop and reaching setting value, control system can send control signal to electromagnetic impulse valve, electromagnetic impulse valve is opened, high pressure purge gas is derived from blowback surge tank 2 through electromagnetic impulse valve, sprayed by blowback air pipeline 3 and blowback nozzle 6, complete the online pulse cleaning operation to filtering element 11; Electromagnetic pulse valve opening time is very short, automatically closes after completing blowback process.
(3) continuing along with filter process, metre filter and blowback process repeats step (2), until reach the test duration.
(4) when other working condition investigated by needs, repeat (1)-(3) steps, obtain the filter performance parameters of filtering element 11 under different temperatures, pressure, flow and dustiness.
Claims (6)
1. a fly-ash separator filtering element test evaluation device, comprise air inlet ash-laden gas simulation system, regeneration blowback air system, filtrator, Measurement and Control System, it is characterized in that, air inlet ash-laden gas simulation system comprises inlet air compressor (18) and compressed gas pipeline (14), and inlet air compressor (18) is connected to air inlet surge tank (17), well heater (16), air flowmeter (15) successively by compressed gas pipeline (14) and adds apparatus for ash; Regeneration blowback air system comprises blowback compressor (1) and blowback air pipeline (3), and blowback compressor (1) is connected to blowback surge tank (2), electromagnetic impulse valve and blowback nozzle (6) successively by blowback air pipeline (3); The described apparatus for ash that adds is connected with blowback air pipeline (3) with compressed gas pipeline (14) respectively by ash adding tube road (20), ash adding tube road (20) is provided with pneumatic valve (21), and compressed gas pipeline (14) is connected with filtrator respectively with blowback air pipeline (3).
2. fly-ash separator filtering element test evaluation device according to claim 1, it is characterized in that, filtrator comprises housing (12), housing (12) upper end is provided with the outlet of clean gas, clean gas outlet upper end connects manual ball valve and smoke dust sampling instrument (5) successively, housing (12) inside arranges tube sheet (7), tube sheet (7) lower end is fixed with filtering element (11), the upside of tube sheet (7) is clean gas room, downside is dusty gas room, the outside of dusty gas room is provided with tensimeter (8), thermocouple thermometer (9), dust concentration instrument (10), housing (12) outside is provided with pressure difference transmitter (13), the two ends of pressure difference transmitter (13) are connected with dusty gas room with clean gas room respectively, described blowback nozzle (6) is arranged on clean gas indoor, smoke dust sampling instrument (5) is connected to clean gas outlet conduit.
3. fly-ash separator filtering element test evaluation device according to claim 2, it is characterized in that, Measurement and Control System comprises dust concentration instrument (10), smoke dust sampling instrument (5), pressure difference transmitter (13), pressure unit, thermopair, switch board, and switch board is provided with signal input port, signal output port and power port.
4. fly-ash separator filtering element test evaluation device according to claim 1, it is characterized in that, add apparatus for ash to comprise and add grey housing (19), add grey housing (19) to be connected with blowback air pipeline (3) with compressed gas pipeline (14) respectively by pneumatic valve (21), the upper end adding grey housing (19) is provided with and adds grey mouth (4), adds grey mouth (4) and add between grey housing (19) to be provided with manual ball valve.
5. fly-ash separator filtering element test evaluation device according to claim 3, it is characterized in that, signal input port is connected with tensimeter (8), thermocouple thermometer (9) and dust concentration instrument (10), and signal output port is connected with electromagnetic impulse valve with pneumatic valve (21).
6. fly-ash separator filtering element test evaluation device according to claim 2, is characterized in that, filtering element (11) is ceramic filter element or metal filter element.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520727856.9U CN205003055U (en) | 2015-09-18 | 2015-09-18 | Dust remover filter element test evaluation device |
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| CN201520727856.9U CN205003055U (en) | 2015-09-18 | 2015-09-18 | Dust remover filter element test evaluation device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964070A (en) * | 2016-06-27 | 2016-09-28 | 江苏盛伟过滤设备有限公司 | Reverse-blowing detection device for self-cleaning type filter element and fan |
| CN107478561A (en) * | 2017-08-29 | 2017-12-15 | 中国北方车辆研究所 | A kind of uniform plus apparatus for ash applied to air cleaner performance test |
| CN108680485A (en) * | 2018-06-22 | 2018-10-19 | 南京林业大学 | A kind of dust media performance test device |
| CN112516725A (en) * | 2020-11-19 | 2021-03-19 | 中国原子能科学研究院 | Sodium aerosol removing device and design method thereof |
| CN114486684A (en) * | 2022-02-18 | 2022-05-13 | 河南核净洁净技术有限公司 | Test system for detecting high-temperature performance and dynamic filtering performance of filter |
-
2015
- 2015-09-18 CN CN201520727856.9U patent/CN205003055U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964070A (en) * | 2016-06-27 | 2016-09-28 | 江苏盛伟过滤设备有限公司 | Reverse-blowing detection device for self-cleaning type filter element and fan |
| CN107478561A (en) * | 2017-08-29 | 2017-12-15 | 中国北方车辆研究所 | A kind of uniform plus apparatus for ash applied to air cleaner performance test |
| CN108680485A (en) * | 2018-06-22 | 2018-10-19 | 南京林业大学 | A kind of dust media performance test device |
| CN112516725A (en) * | 2020-11-19 | 2021-03-19 | 中国原子能科学研究院 | Sodium aerosol removing device and design method thereof |
| CN114486684A (en) * | 2022-02-18 | 2022-05-13 | 河南核净洁净技术有限公司 | Test system for detecting high-temperature performance and dynamic filtering performance of filter |
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