CN202748243U - Portable movable pulverized coal sampling device - Google Patents
Portable movable pulverized coal sampling device Download PDFInfo
- Publication number
- CN202748243U CN202748243U CN 201220442733 CN201220442733U CN202748243U CN 202748243 U CN202748243 U CN 202748243U CN 201220442733 CN201220442733 CN 201220442733 CN 201220442733 U CN201220442733 U CN 201220442733U CN 202748243 U CN202748243 U CN 202748243U
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- sampling
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- control box
- pulverized coal
- pipeline
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Abstract
The utility model discloses a portable movable pulverized coal sampling device, and relates to the field of pulverized coal sampling for a coal pulverizer, in particular to the portable movable pulverized coal sampling device. The portable movable pulverized coal sampling device comprises a connecting pipe seat (1), a gas sealing base (2), a sampling gun (3), a cyclone sampler (4), a sampling bottle (5), a speed and temperature measuring pipe (6), a distributor (7) and a main control box (8). The portable movable pulverized coal sampling device adopts four automatic rotary sampling probes which rotate uniformly in a pulverized coal pipeline for serial sampling; and an electric heater in the main control box is used for heating the pipeline in a back blowing manner both before sampling and after sampling, so as to ensure that the sampling pipeline is clean and dewing is avoided. The portable movable pulverized coal sampling device has the advantages that the operation is convenient, fast and efficient; and the measuring is accurate.
Description
Technical field
The utility model relates to coal pulverizer coal dust sampling field, especially refers to a kind of Portable coal fines sampling apparatus.
Background technology
The coal pulverizer of now market sale, wearing and tearing, coal, the variation of lumpiness, the fineness of pulverized coal of part will produce larger variation owing to milling, and directly affect the efficient of boiler combustion, therefore regularly sampling detects to fineness of pulverized coal, when the fineness of coal dust surpasses design load, in time adjust separation vessel and be folded to an aperture, or to change the parts of milling be very necessary.Simultaneously fineness of pulverized coal and the pulverized coal flow homogeneity of distributing between each burner has vital impact to boiler efficiency and noxious gas emission level, therefore must take a sample and adjusts accordingly according to the sampling and measuring result the coal dust in each pulverized coal feed pipe.
Traditional coal pulverizer coal dust sampling process is a diametric(al) or two the orthogonal diametric(al)s extraction coal dust samples from pulverized coal channel, because centrifugal force and graviational interaction, the phenomenon that breeze airflow is separated can occur, and at tube wall formation area with high mercury, therefore be difficult to collect and have true representational sample, drawn test data has been covered many plant issues, causes staff's error in judgement.
The utility model content
The utility model is for the shortcoming of prior art existence, its fundamental purpose provides a kind of Portable coal fines sampling apparatus, and it can solve the existing problem of background technology, it adopts automatic rotation sampling control head, utilize four sampling heads Rotating with Uniform serial sampling in pulverized coal channel that arranges on it, before sampling and after the sampling, utilize the electric heater in the master controller that pipeline is carried out heating back blowing, guarantee the sampling pipe cleaning and prevent dewfall, it have easy to operate, rapidly and efficiently, measure accurately.
For achieving the above object, the utility model adopts following technical scheme: it comprises the connection base, the air seal base, sampling gun, the whirlwind sampler, sampling jar, temperature tube tests the speed, divider and main control box, connect base one end and connect pulverized coal channel, connecting the base other end links to each other with an end of air seal base, the other end of air seal base links to each other with divider one end by pipeline, divider in addition two ends wherein an end link to each other by pipeline and the female pipe of pressurized air, the divider in addition two ends other end and the exhaust duct aperture on the main control box wherein will connect, sampling gun one end is provided with the automatic rotation probe, the sampling gun other end links to each other with whirlwind sampler one end, the whirlwind sampler in addition two ends wherein an end be provided with sampling jar, the whirlwind sampler in addition two ends wherein the other end link to each other with the air inlet pipe hole of main control box by pipeline, signal source mouth on temperature tube tail end and the main control box tests the speed, coal dust mouth and positive wine pressure button link to each other, negative blast button on the main control box links to each other with sampling gun, and main control box links to each other with power supply by power lead.
As preferably, be provided with four probes on the described automatic rotation probe;
As preferably, be provided with electric air heating device in the described main control box;
The beneficial effects of the utility model: it adopts automatic rotation sampling control head the utility model, utilize four sampling heads Rotating with Uniform serial sampling in pulverized coal channel that arranges on it, before sampling and after the sampling, utilize the electric heater in the master controller that pipeline is heated anti-software, guarantee the sampling pipe cleaning and prevent dewfall, it have easy to operate, rapidly and efficiently, measure accurately.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the utility model;
Embodiment:
Come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment:
As shown in Figure 1, it comprises connection base 1 this embodiment, air seal base 2, sampling gun 3, whirlwind sampler 4, sampling jar 5, temperature tube 6 tests the speed, divider 7 and main control box 8, connect base 1 one ends and connect pulverized coal channel 9, connecting base 1 other end links to each other with an end of air seal base 2, the other end of air seal base 2 links to each other with divider 7 one ends by pipeline, divider 7 in addition two ends wherein an end link to each other by pipeline and the female pipe 10 of pressurized air, the divider 7 in addition two ends other end and the exhaust duct aperture 82 on the main control box 8 wherein will connect, sampling gun 3 one ends are provided with automatic rotation probe 31, sampling gun 3 other ends link to each other with whirlwind sampler 4 one ends, whirlwind sampler 4 in addition two ends wherein an end be provided with sampling jar 5, whirlwind sampler 4 in addition two ends wherein the other end link to each other with the air inlet pipe hole 81 of main control box 8 by pipeline, signal source mouth 83 on temperature tube 6 tail ends and the main control box 8 tests the speed, coal dust mouth 84 and positive wine pressure button 86 link to each other, negative blast button 87 on the main control box 8 links to each other with sampling gun 3, and main control box 8 links to each other with power supply 11 by power lead.
As preferably, be provided with four probes on the described automatic rotation probe 31;
As preferably, be provided with electric air heating device in the described main control box 8;
It uses the blowback jet current principle this embodiment, the speed of exhaust can be adjusted arbitrarily, the sampling gun 3 that inserts pulverized coal channel by the air seal joint is carried out suction flow control, use whirlwind sampler 4 efficiently coal dust to be separated from the gas powder stream that aspirates out.
Four sampling probes 31 are housed on the sampling gun 3 of this device, determine each sampling probe 31 length according to the homalographic principle, by being arranged on time-controlling arrangement and the motor of 3 li of sampling guns, being controlled by time-controlling arrangement is the time, after starting sample button, carried out countdown sample time in 4 minutes, then four sampling probes 31 of motor-driven rotation finished the continuous rotation sampling to whole pulverized coal channel 9 cross sections in pulverized coal channel 9 interior Rotating with Uniform in 4 minutes.
Before sampling and after the sampling, by the electric air heating device that is arranged on 8 li of main control boxs pipeline is carried out heating back blowing, can guarantee the cleaning of sampling line and prevent that the dewfall phenomenon from appearring in sampling system, true and reliable to guarantee sampled data; In main control box 8, electric air heating device one end divider 7 links to each other, the electric air heating device other end and vacuum generator one end, vacuum generator in addition two ends wherein an end link to each other with Venturi tube one end, Venturi tube in addition two ends wherein an end link to each other with differential pressure gauge 85, Venturi tube in addition two ends wherein the other end link to each other with whirlwind sampler 4, vacuum generator in addition two ends wherein the other end link to each other with emptying filtrator, emptying filtrator links to each other with air inlet pipe hole 81 on the main control box 8, and the effect of described Venturi tube is the setting of coal dust sampling stream sample rate measuring sensor Venturi tube coefficient.
8 li Japanese Omron PLCs of employing of the main control box of this device are key control unit, and auxiliary high precision import instrument and man-machine interface, and whole operation is finished automatically by software, user-friendly and operation.
This implementation in use, the adjustment of first pair of sampling gun dimensional parameters: must adjust sampling gun according to the size of a wind airduct before every sub-sampling; Second pair of airduct parameter measurement: open air seal base pressurized air valve, slowly open seal plug, install temperature and speed measuring pipe base used specially, in the temperature tube inserted base that tests the speed that connects, tighten temperature and speed measuring pipe base used specially, the closes compression air door is after an airduct parameter (speed, temperature) of screen display to be shown is relatively stable, press the parameter ACK button, with this parameter input control device.After one time the wind parameter reads, by the test the speed temperature tube that tests the speed that takes out in turn of temperature tube front opening seal plug of insertion; The 3rd sampling gun is installed: use the sampling gun control cables, sampling controller is connected with sampling gun, press button on the sampling gun control enclosure, open the sampling gun back-blowing device, the sampling gun that connects is inserted the air seal base, locked with spanner, the closes compression air door; The 4th begins sampling: after sampling gun installs, start the beginning sample button, according to display parameter of display screen, regulate pressure-regulating valve, differential pressure gauge indication and display parameter of display screen one are shown realized the isokinetic sampling; The 5th sampling finishes: after sampling reached the stipulated time, sampling finished automatically, by the test the speed sampling gun that takes out in turn of temperature tube front opening seal plug of insertion, closed the sampling gun back-blowing device after taking out sampling gun, took out coal dust from sampling jar.
It adopts automatic rotation sampling control head the utility model, utilize four sampling heads Rotating with Uniform serial sampling in pulverized coal channel that arranges on it, before sampling and after the sampling, utilize the electric heater in the master controller that pipeline is heated anti-software, guarantee the sampling pipe cleaning and prevent dewfall, it have easy to operate, rapidly and efficiently, measure accurately.
The above, it only is preferred embodiment of the present utility model, be not that technical scope of the present utility model is imposed any restrictions, therefore every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment does.
Claims (3)
1. Portable coal fines sampling apparatus, it is characterized in that comprising connection base (1), air seal base (2), sampling gun (3), whirlwind sampler (4), sampling jar (5), temperature tube (6) tests the speed, divider (7) and main control box (8), connect base (1) one end and connect pulverized coal channel (9), connecting base (1) other end links to each other with an end of air seal base (2), the other end of air seal base (2) links to each other with divider (7) one ends by pipeline, divider (7) in addition two ends wherein an end link to each other by female manage (10) of pipeline and pressurized air, divider (7) in addition two ends wherein the other end and the exhaust duct aperture (82) on the main control box (8) to connect, sampling gun (3) one ends are provided with automatic rotation probe (31), sampling gun (3) other end links to each other with whirlwind sampler (4) one ends, whirlwind sampler (4) in addition two ends wherein an end be provided with sampling jar (5), whirlwind sampler (4) in addition two ends wherein the other end link to each other with the air inlet pipe hole (81) of main control box (8) by pipeline, the upper signal source mouth (83) of temperature tube (6) tail end and main control box (8) tests the speed, coal dust mouth (84) and positive wine pressure button (86) link to each other, negative blast button (87) on the main control box (8) links to each other with sampling gun (3), and main control box (8) links to each other with power supply (11) by power lead.
2. a kind of Portable coal fines sampling apparatus according to claim 1 is characterized in that being provided with four probes on the described automatic rotation probe (31).
3. a kind of Portable coal fines sampling apparatus according to claim 1 is characterized in that being provided with electric air heating device in the described main control box (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442733 CN202748243U (en) | 2012-09-03 | 2012-09-03 | Portable movable pulverized coal sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442733 CN202748243U (en) | 2012-09-03 | 2012-09-03 | Portable movable pulverized coal sampling device |
Publications (1)
| Publication Number | Publication Date |
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| CN202748243U true CN202748243U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220442733 Expired - Fee Related CN202748243U (en) | 2012-09-03 | 2012-09-03 | Portable movable pulverized coal sampling device |
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| CN (1) | CN202748243U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459277A (en) * | 2018-11-22 | 2019-03-12 | 国网浙江省电力有限公司电力科学研究院 | Constant speed control cabinet and its application method applied to portable coal powder sampler |
| CN110186826A (en) * | 2019-07-10 | 2019-08-30 | 润电能源科学技术有限公司 | A kind of pulverized coal preparation system, the device and method for detecting coal powder density and partial size |
| CN113551946A (en) * | 2021-06-26 | 2021-10-26 | 中国大唐集团科学技术研究院有限公司中南电力试验研究院 | Device and method for intelligently measuring fineness of pulverized coal |
-
2012
- 2012-09-03 CN CN 201220442733 patent/CN202748243U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459277A (en) * | 2018-11-22 | 2019-03-12 | 国网浙江省电力有限公司电力科学研究院 | Constant speed control cabinet and its application method applied to portable coal powder sampler |
| CN109459277B (en) * | 2018-11-22 | 2024-04-05 | 国网浙江省电力有限公司电力科学研究院 | Constant-speed control box applied to portable coal dust sampling device and application method of constant-speed control box |
| CN110186826A (en) * | 2019-07-10 | 2019-08-30 | 润电能源科学技术有限公司 | A kind of pulverized coal preparation system, the device and method for detecting coal powder density and partial size |
| CN113551946A (en) * | 2021-06-26 | 2021-10-26 | 中国大唐集团科学技术研究院有限公司中南电力试验研究院 | Device and method for intelligently measuring fineness of pulverized coal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TU ZHIHONG JIAO HONGBO Effective date: 20140526 Owner name: CHEN NIANJUN Free format text: FORMER OWNER: NANJING AUNEN TECHNOLOGY CO., LTD. Effective date: 20140526 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Nianjun Inventor after: Tu Zhihong Inventor after: Jiao Hongbo Inventor before: Chen Nianjun Inventor before: Tu Zhihong Inventor before: Jiao Hongbo Inventor before: Pu Hongwei Inventor before: Bai Junjie Inventor before: Fu Xiaoli |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CHEN NIANJUN TU ZHIHONG JIAO HONGBO PU HONGWEI BAI JUNJIE FU XIAOLI TO: CHEN NIANJUN TU ZHIHONG JIAO HONGBO |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140526 Address after: 210000, No. 5 Bridge Street, Yuhuatai District, Jiangsu, Nanjing Patentee after: Chen Nianjun Patentee after: Tu Zhihong Patentee after: Jiao Hongbo Address before: 210000, room 10-1, 107 Hui Hui lane, Qinhuai District, Jiangsu, Nanjing Patentee before: AE&E Nanjing Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20150903 |
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| EXPY | Termination of patent right or utility model | ||
| DD01 | Delivery of document by public notice |
Addressee: AE&E Nanjing Technology Co., Ltd. Document name: Notification of Approving Refund |
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| DD01 | Delivery of document by public notice |