CN102589932B - Semi-automatic pulverized coal sampler - Google Patents
Semi-automatic pulverized coal sampler Download PDFInfo
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- CN102589932B CN102589932B CN 201210039092 CN201210039092A CN102589932B CN 102589932 B CN102589932 B CN 102589932B CN 201210039092 CN201210039092 CN 201210039092 CN 201210039092 A CN201210039092 A CN 201210039092A CN 102589932 B CN102589932 B CN 102589932B
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Abstract
The invention relates to a semi-automatic pulverized coal sampler which comprises a sampling tube, a movable cover plate and a motor-driven driving mechanism, wherein the upper end part of the sampling tube extends into a coal falling barrel from one corner of the coal falling barrel; the lower end part of the sampling tube is positioned outside the coal falling barrel; the movable cover plate which can be opened and closed is arranged right above the upper port part of the sampling tube; and the motor-driven driving mechanism is used for switching the movable cover plate between the open state and the closed state. The semi-automatic pulverized coal sampler can perform uniform sampling, has the advantages of simple structure, low manufacture cost and maintenance cost, small electricity consumption and high use value and economic value, and only several minutes are cost for sampling once.
Description
Technical field
The present invention relates to a kind of Semi-automatic pulverized coal sampler.
Background technology
In the prior art, the sampling of strap conveying coal ature of coal adopts artificial timing, fixed point to take the sampling mode of spade mostly, there is following problem in this mode: the sampling personnel hold at the station spade and stand on the backing plate, to meeting the sampling of coal flow path direction, the belt flow velocity is essentially more than or equal to 2.5 meter per seconds, the sampling personnel are careless slightly or often pushed backing plate by impulsive force when meeting the coal wooden unit, and are very dangerous; In addition, the intensity of workers of hand sampling is large, hand sampling also exist obvious error such as ature of coal quality, what etc., flowability and the inhomogeneous characteristics of pumped (conveying) medium in view of the belt-conveying medium, fixed point, the coal sample taked of timing sampling can not reflect total characteristics of coal sample in the whole time period, and the every economic and technical norms that cause entering the boiler operatiopn that stove coal sample analysis result of laboratory test calculates according to boiler differ larger with actual situation.
In addition, also there is the mode of taking the full-automatic coal powder sampler to take a sample in the prior art.Yet, the full-automatic coal powder sampler comprises hydraulic mechanism, two-stage crushing structure, belt feeder, reductor usually, the parts such as transmission, motor, control loop, complex structure, cost are high, and maintenance cost is high, maintenance difficulties is large, any parts go wrong, and automatic sampler just is difficult to run well.In addition, the full-automatic coal powder sampler exists also that power consumption is large to be waited not enoughly, is about 48 hours with 20,000 tons the collier times of unloading, the full-automatic sampler two-stage is broken in the whole process of unloading coal, the two-stage sampling, hydraulic mechanism, two belts, two sampler motors are all the time in operation, greatly consume electric power.
Summary of the invention
Technical matters to be solved by this invention is to overcome the deficiencies in the prior art, and a kind of Semi-automatic pulverized coal sampler is provided, and it is simple in structure, and sampling operation is convenient, safety, and sampling evenly.
For solving above technical matters, the present invention takes following technical scheme:
A kind of Semi-automatic pulverized coal sampler, it comprise the upper end through one jiao of coal conduit extend in the coal conduit and lower end part in the sampling pipe outside the coal conduit, can be opened and closed to be arranged on sampling pipe upper end oral area directly over removable cover and being used for electric driving mechanism that removable cover is switched mutually in open mode and closed condition.
According to further embodiment of the present invention: described removable cover is horizontally disposed with, and offers open slot at the cylindrical shell of coal conduit, and removable cover can indentation or is arranged on open slot position with stretching out.
Further, described electric driving mechanism comprises electric cabinet, by the electric pushrod of this electric cabinet control, be positioned at connecting link and the pull bar of removable cover top, wherein, the upper end of connecting link is fixedly connected with electric pushrod, the bottom of connecting link can connect by removable pin is relative rotationally with the cylindrical shell of coal conduit, and the upper and lower end parts of described pull bar is fixedly linked with connecting link and removable cover respectively.
According to a concrete aspect of the present invention, described removable cover can arrange with horizontally rotating, thereby makes the upper end oral area of steel pipe be the state of opening or closing.
Preferably, described Semi-automatic pulverized coal sampler also comprises on the cylindrical shell that is installed in coal conduit, is used for the stop of restraint cover plate stroke.Arranging of stop can prevent that removable cover is damaged because surpassing activity thresholds.
According to the present invention, the angle between described sampling pipe and the surface level can be 30～60 °, is preferably 45 °.
Preferably, Semi-automatic pulverized coal sampler also comprises the coal sample controller of the bottom that is arranged on sampling pipe.
According to the present invention, sampling pipe, removable cover all can and preferably be made by waste and old steel.
Because the enforcement of above technical scheme, the present invention compared with prior art has following advantage:
Sampler of the present invention is arranged on the coal conduit position with sampling spot, and when not taking a sample, removable cover covers the sampling pipe upper port; During sampling, open electric driving mechanism, removable cover is opened, make the upper port open state of sampling pipe, coal stream nature fell in the sampling pipe and flowed out in the sample bucket along pipeline this moment.When coal sample in the sample bucket reached the regulation requirement, operating personnel only need close electric driving mechanism, and removable cover returns back to the closed condition that the sampling pipe upper port is covered, and whole sampling process finishes.During sampling, owing to after coal rebounds into waterfall and mix state through coal conduit refraction, entering sampling pipe, the coal sample of taking has the higher generation table, and is more even again.In addition, structure of the present invention is very simple, and manufacturing cost, maintenance cost are all very cheap, and primary sample only needs a few minutes, and power consumption is few.Through practice also proof, pulverized coal sampler of the present invention has high use and economic worth.
Description of drawings
Below in conjunction with accompanying drawing and specific embodiment, the present invention will be further described in detail:
Fig. 1 is the structural representation according to Semi-automatic pulverized coal sampler of the present invention;
Wherein: 1, coal conduit; 2, sampling pipe; 3, removable cover; 4, coal sample controller; 5, open slot; 6, electric pushrod; 7, connecting link; 8, pull bar; 9, removable pin.
Embodiment
As shown in Figure 1, according to the Semi-automatic pulverized coal sampler of the present embodiment, it comprises that the upper end extend in the coal conduit 1 and lower end part is 45 ° of slopes in the sampling pipe 2(sampling pipe outside the coal conduit 1 through 1 one jiaos of coal conduits), be horizontally set on sampling pipe 2 upper end open directly over and the coal sample controller 4 of removable cover 3, electric driving mechanism that sampling pipe 2 upper port are sealed and the bottom that is arranged on sampling pipe 2.
Removable cover 3 can arrange with horizontally rotating, offers open slot 5 at the cylindrical shell of coal conduit 1, and removable cover 3 can indentation or is arranged on open slot 5 positions with stretching out.Rotatablely moving of removable cover 3 controlled by electric driving mechanism.When sampling, open electric driving mechanism, then it can drive removable cover 3 and horizontally rotates, stretch out open slot 5, so that the upper end open of sampling pipe 2 is open state, at this moment, after entering into coal in the coal conduit 11 refraction rebounding into waterfall and mixes state through coal conduit, enter sampling pipe 2.When coal sample in the sample bucket reached the regulation requirement, operating personnel only need close electric driving mechanism, and removable cover 3 returns back to the closed condition that sampling pipe 2 upper port are covered, and whole sampling process finishes.
In this example, electric driving mechanism specifically comprises the electric cabinet (not shown), by electric pushrod 6, the connecting link 7 that is positioned at removable cover 3 tops and the pull bar 8 of this electric cabinet control, wherein, the upper end of connecting link 7 is fixedly connected with electric pushrod 6, the cylindrical shell of the bottom of connecting link 7 and coal conduit 1 is by 9 relative can connections rotationally of removable pin, and the upper and lower end parts of described pull bar 8 is fixedly linked with connecting link 7 and removable cover 3 respectively.
In addition, Semi-automatic pulverized coal sampler also includes the stop (not shown), it is arranged on the coal conduit 1, its effect is (to set in advance) when electric pushrod 6 moves to certain-length to signal of control system, electric pushrod 6 is quit work, thereby prevent that electric pushrod 6 is pushed into removable cover 3 outside the scope of activities, avoid removable cover 3 to be drawn bad.
To sum up, Semi-automatic pulverized coal sampler of the present invention is compared with hand sampling, and security improves greatly, and is more convenient to operate, laborsaving, save time, and sampling is more even, also gets rid of simultaneously some artificial sampling suspicion of interfering.By 4 ship coals are contrasted, namely gross sample still adopts hand sampling to make gross sample, and the Semi-automatic sampler synchronized sampling is made gross sample by the hand sampling program simultaneously, has 3 ship thermal value Semi-automatic samplers to be lower than hand sampling through thermoelectric result of laboratory test contrast.Semi-automatic pulverized coal sampler of the present invention and full-automatic sampler contrast: simple in structure, primary sample only needs 5 minutes, and power consumption is few, and maintenance cost is cheap.
Above the present invention has been done detailed description; its purpose is to allow the personage that is familiar with this art can understand content of the present invention and is implemented; can not limit protection scope of the present invention with this; the equivalence that all Spirit Essences according to the present invention are done changes or modifies, and all should be encompassed in protection scope of the present invention
Claims (4)
1. Semi-automatic pulverized coal sampler, it is characterized in that: comprise that the upper end extend in the coal conduit (1) and the sampling pipe (2) of lower end part outside coal conduit (1) through (1) one jiao of coal conduit, can be opened and closed to be arranged on described sampling pipe (2) upper end oral area directly over removable cover (3) and being used for electric driving mechanism that described removable cover (3) is switched mutually in open mode and closed condition, described removable cover (3) can arrange with horizontally rotating, cylindrical shell at described coal conduit (1) offers open slot (5), described removable cover (3) can indentation or is arranged on described open slot (5) position with stretching out, described electric driving mechanism comprises electric cabinet, electric pushrod (6) by described electric cabinet control, be positioned at connecting link (7) and the pull bar (8) of described removable cover (3) top, wherein, the upper end of described connecting link (7) is fixedly connected with described electric pushrod (6), the bottom of described connecting link (7) can connect by removable pin (9) is relative rotationally with the cylindrical shell of described coal conduit (1), the upper and lower end parts of described pull bar (8) is fixedly linked with described connecting link (7) and described removable cover (3) respectively, described Semi-automatic pulverized coal sampler also comprises on the cylindrical shell that is installed in described coal conduit (1), be used for limiting the stop of described removable cover (3) stroke, and the coal sample controller (4) that is arranged on the bottom of described sampling pipe (2).
2. Semi-automatic pulverized coal sampler according to claim 1, it is characterized in that: the angle between described sampling pipe (2) and the surface level is 30～60 °.
3. Semi-automatic pulverized coal sampler according to claim 2, it is characterized in that: the angle between described sampling pipe (2) and the surface level is 45 °.
4. Semi-automatic pulverized coal sampler according to claim 1, it is characterized in that: described sampling pipe (2), removable cover (3) are made by waste and old steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210039092 CN102589932B (en) | 2012-02-21 | 2012-02-21 | Semi-automatic pulverized coal sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210039092 CN102589932B (en) | 2012-02-21 | 2012-02-21 | Semi-automatic pulverized coal sampler |
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| Publication Number | Publication Date |
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| CN102589932A CN102589932A (en) | 2012-07-18 |
| CN102589932B true CN102589932B (en) | 2013-10-23 |
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| CN 201210039092 Active CN102589932B (en) | 2012-02-21 | 2012-02-21 | Semi-automatic pulverized coal sampler |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749242B (en) * | 2012-08-01 | 2015-01-07 | 北京冶联科技有限公司 | System and method for intelligent reserved sample mine distribution in heat power plant |
| CN105092285B (en) * | 2015-07-17 | 2018-05-22 | 长沙开元仪器股份有限公司 | A kind of Sampling Machine |
| CN105865839A (en) * | 2016-04-04 | 2016-08-17 | 上海大学 | Intelligent water sampler |
| CN105890931A (en) * | 2016-05-14 | 2016-08-24 | 上海大学 | Intelligent layered water sampler |
| CN106226120B (en) * | 2016-07-22 | 2023-08-01 | 华北电力大学 | Automatic rotary sampling device for coal in furnace |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2672639Y (en) * | 2003-12-19 | 2005-01-19 | 吴泉兴 | Bulk material sampler |
| CN200993619Y (en) * | 2006-12-22 | 2007-12-19 | 首钢总公司 | Automatic sampling device for conveying powder material for chain conveyor |
| CN201034863Y (en) * | 2007-04-27 | 2008-03-12 | 宋国强 | Precipitation automatic sampler |
| CN201222015Y (en) * | 2008-06-24 | 2009-04-15 | 开滦精煤股份有限公司范各庄矿业分公司 | Automatic sampling apparatus from solid-state material smooth barrel |
| CN201359571Y (en) * | 2008-12-25 | 2009-12-09 | 中华人民共和国秦皇岛出入境检验检疫局 | Splitter for sampling |
| CN202453227U (en) * | 2012-02-21 | 2012-09-26 | 玖龙纸业（太仓）有限公司 | Semi-automatic pulverized coal sampler |
-
2012
- 2012-02-21 CN CN 201210039092 patent/CN102589932B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2672639Y (en) * | 2003-12-19 | 2005-01-19 | 吴泉兴 | Bulk material sampler |
| CN200993619Y (en) * | 2006-12-22 | 2007-12-19 | 首钢总公司 | Automatic sampling device for conveying powder material for chain conveyor |
| CN201034863Y (en) * | 2007-04-27 | 2008-03-12 | 宋国强 | Precipitation automatic sampler |
| CN201222015Y (en) * | 2008-06-24 | 2009-04-15 | 开滦精煤股份有限公司范各庄矿业分公司 | Automatic sampling apparatus from solid-state material smooth barrel |
| CN201359571Y (en) * | 2008-12-25 | 2009-12-09 | 中华人民共和国秦皇岛出入境检验检疫局 | Splitter for sampling |
| CN202453227U (en) * | 2012-02-21 | 2012-09-26 | 玖龙纸业（太仓）有限公司 | Semi-automatic pulverized coal sampler |
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| CN102589932A (en) | 2012-07-18 |
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