CN202453227U - Semi-automatic pulverized coal sampler - Google Patents
Semi-automatic pulverized coal sampler Download PDFInfo
- Publication number
- CN202453227U CN202453227U CN201220056610XU CN201220056610U CN202453227U CN 202453227 U CN202453227 U CN 202453227U CN 201220056610X U CN201220056610X U CN 201220056610XU CN 201220056610 U CN201220056610 U CN 201220056610U CN 202453227 U CN202453227 U CN 202453227U
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- China
- Prior art keywords
- semi
- removable cover
- coal dust
- dust sampler
- coal
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Abstract
The utility model relates to a semi-automatic pulverized coal sampler. The semi-automatic pulverized coal sampler comprises a sampling tube, a movable cover plate and an electric driving mechanism, wherein the upper end of the sampling tube extends into a fell coal barrel through one corner of the fell coal barrel, the lower end of the sampling tube is located outside the fell coal barrel, the movable cover plate is arranged above an upper port portion of the sampling tube in a openable and closable mode, and the electric driving mechanism is used for shifting an opened state and a closed state of the movable cover plate. The semi-automatic pulverized coal sampler is even in sampling, very simple in structure and very low in manufacture cost and maintenance cost, only requires several minutes for one-time sampling, and has little power consumption and high using and economic value.
Description
Technical field
the utility model relates to a kind of semi-automatic coal dust sampler.
Background technology
In
prior art; The sampling of belt carry 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, and 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 big; Hand sampling also exist tangible error such as ature of coal quality, what etc.; In view of flowability and the uneven characteristics of pumped (conveying) medium of belt conveying medium, the coal sample that fixed point, timing sampling are taked can not reflect total characteristics of coal sample in the whole time period, and each item economic and technical norms that cause going into the boiler operatiopn that stove coal sample analysis result of laboratory test calculated according to boiler differ bigger with the situation of reality.
Also there is the mode of taking the full-automatic coal powder sampler to take a sample in
in addition in the prior art.Yet; The full-automatic coal powder sampler comprises hydraulic mechanism, two-stage crushing structure, belt feeder, reductor usually; Parts such as transmission, motor, control loop, complex structure, cost height, maintenance cost is high, big, any parts of maintenance difficulties 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 big 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, consume electric power greatly.
Summary of the invention
the utility model technical matters to be solved is the deficiency that overcomes prior art, and a kind of semi-automatic coal dust sampler is provided, and it is simple in structure, and sampling operation is convenient, safety, and sampling evenly.
For solving above technical matters, the utility model is taked following technical scheme:
a kind of semi-automatic coal dust 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 arranged on with opening and closing sampling pipe upper end oral area directly over removable cover and being used for electric driving mechanism that removable cover is switched in open mode and closed condition mutually.
are according to the further embodiment of the utility model: described removable cover is horizontally disposed with, and on the cylindrical shell of coal conduit, offers open slot, 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 the connecting link and the pull bar of removable cover top; Wherein, The upper end of connecting link is fixedly connected with electric pushrod, and the bottom of connecting link can be connected through removable pin with the cylindrical shell of coal conduit relatively rotationally, 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 utility model, described removable cover can be provided with horizontally rotating, thereby makes the upper end oral area of steel pipe be the state of opening or closing.
preferably, said semi-automatic coal dust sampler also comprises on the cylindrical shell that is installed in coal conduit, be used for the stop of restraint cover plate stroke.Being provided with of stop can prevent that removable cover is damaged because of surpassing activity thresholds.
according to the utility model, the angle between said sampling pipe and the surface level can be 30～60 °, is preferably 45 °.
preferably, semi-automatic coal dust sampler also comprises the coal sample controller of the bottom that is arranged on sampling pipe.
According to the utility model, sampling pipe, removable cover all can and preferably be processed by waste and old steel
.
Because the enforcement of above technical scheme, the utility model compared with prior art has following advantage:
the utility model sampler is arranged on the coal conduit position with sampling spot, and when not taking a sample, removable cover covers the sampling pipe port; During sampling, open electric driving mechanism, removable cover is opened, make the 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 port is covered, and whole sampling process finishes.During sampling, owing to after coal rebounds into waterfall and mix state through coal conduit refraction, get into sampling pipe again, the coal sample of taking has higher representativeness, and is more even.In addition, the utility model structure 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, the utility model coal dust sampler has high use and economic worth.
Description of drawings
Below in conjunction with accompanying drawing and concrete embodiment, the utility model is done further detailed explanation:
Fig. 1 is the structural representation according to the semi-automatic coal dust sampler of the utility model;
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
are as shown in Figure 1; According to the semi-automatic coal dust sampler of present embodiment, it comprise the upper end through 1 one jiaos of coal conduits extend in the coal conduit 1 and lower end part in the sampling pipe outside the coal conduit 12 (sampling pipe is 45 ° of slopes), be horizontally set on sampling pipe 2 open upper end directly over and the coal sample controller 4 of removable cover 3, electric driving mechanism that sampling pipe 2 port are sealed and the bottom that is arranged on sampling pipe 2.
removable cover 3 can be provided with horizontally rotating, on the cylindrical shell of coal conduit 1, offers open slot 5, and removable cover 3 can indentation or is arranged on open slot 5 positions with stretching out.Rotatablely moving of removable cover 3 controlled through electric driving mechanism.When sampling; Open electric driving mechanism, then it can drive removable cover 3 and horizontally rotates, and stretches out open slot 5; Make the open upper end of sampling pipe 2 be open state; At this moment, after entering into coal in the coal conduit 11 refraction rebounding into waterfall and mixes state through coal conduit, get into 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 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, and the bottom of connecting link 7 can be connected through removable pin 9 with the cylindrical shell of coal conduit 1 relatively rotationally, 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 coal dust sampler also includes the stop (not shown); It is arranged on the coal conduit 1, and its effect is when electric pushrod 6 moves to certain-length, (to configure in advance) to give signal of control system, and electric pushrod 6 is quit work; Thereby prevent that electric pushrod 6 is pushed into removable cover 3 outside the scope of activities, it is bad to avoid removable cover 3 to be drawn.
to sum up, the semi-automatic coal dust sampler of the utility model is compared with hand sampling, security improves greatly, and is more convenient to operate, laborsaving, save time, and sampling is more even, also gets rid of some artificial sampling suspicion of interfering simultaneously.Through 4 ship coals are contrasted, promptly gross sample still adopts hand sampling to make gross sample, and semi-automatic sampler synchronized sampling is made gross sample by the hand sampling program simultaneously, has the semi-automatic sampler of 3 ship thermal values to be lower than hand sampling through thermoelectric result of laboratory test contrast.Semi-automatic coal dust sampler of the utility model and full-automatic sampler contrast: simple in structure, primary sample only needs 5 minutes, and power consumption is few, and maintenance cost is cheap.
More than the utility model has been done detailed description; Its purpose is to let the personage that is familiar with this art can understand the content of the utility model and implements; Can not limit the protection domain of the utility model with this; All equivalences of doing according to the spirit of the utility model change or modify, and all should be encompassed in the protection domain of the utility model
Claims (9)
1. semi-automatic coal dust sampler is characterized in that: comprise the upper end through (1) one jiao of coal conduit extend in the coal conduit (1) and lower end part in the sampling pipe (2) outside the coal conduit (1), can be arranged on with opening and closing said sampling pipe (2) upper end oral area directly over removable cover (3) and being used for electric driving mechanism that said removable cover (3) is switched in open mode and closed condition mutually.
2. semi-automatic coal dust sampler according to claim 1; It is characterized in that: described removable cover (3) is horizontally disposed with; On the cylindrical shell of said coal conduit (1), offer open slot (5), described removable cover (3) can indentation or is arranged on said open slot (5) position with stretching out.
3. semi-automatic coal dust sampler according to claim 2; It is characterized in that: described electric driving mechanism comprises electric cabinet, by the electric pushrod (6) of said electric cabinet control, be positioned at the connecting link (7) and the pull bar (8) of said removable cover (3) top; Wherein, The upper end of said connecting link (7) is fixedly connected with said electric pushrod (6); The bottom of said connecting link (7) can be connected through removable pin (9) with the cylindrical shell of said coal conduit (1) relatively rotationally, and 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.
4. semi-automatic coal dust sampler according to claim 3 is characterized in that: described removable cover (3) can be provided with horizontally rotating.
5. semi-automatic coal dust sampler according to claim 4 is characterized in that: described semi-automatic coal dust sampler also comprises on the cylindrical shell that is installed in said coal conduit (1), be used to limit the stop of said removable cover (3) stroke.
6. semi-automatic coal dust sampler according to claim 1 is characterized in that: the angle between said sampling pipe (2) and the surface level is 30～60 °.
7. semi-automatic coal dust sampler according to claim 6 is characterized in that: the angle between said sampling pipe (2) and the surface level is 45 °.
8. semi-automatic coal dust sampler according to claim 1 is characterized in that: described sampling pipe (2), removable cover (3) are processed by waste and old steel.
9. semi-automatic coal dust sampler according to claim 1 is characterized in that: said semi-automatic coal dust sampler also comprises the coal sample controller (4) of the bottom that is arranged on said sampling pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220056610XU CN202453227U (en) | 2012-02-21 | 2012-02-21 | Semi-automatic pulverized coal sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220056610XU CN202453227U (en) | 2012-02-21 | 2012-02-21 | Semi-automatic pulverized coal sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202453227U true CN202453227U (en) | 2012-09-26 |
Family
ID=46869082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220056610XU Expired - Lifetime CN202453227U (en) | 2012-02-21 | 2012-02-21 | Semi-automatic pulverized coal sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202453227U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589932A (en) * | 2012-02-21 | 2012-07-18 | 玖龙纸业（太仓）有限公司 | Semi-automatic pulverized coal sampler |
| CN105092285A (en) * | 2015-07-17 | 2015-11-25 | 长沙开元仪器股份有限公司 | Sampling machine |
-
2012
- 2012-02-21 CN CN201220056610XU patent/CN202453227U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589932A (en) * | 2012-02-21 | 2012-07-18 | 玖龙纸业（太仓）有限公司 | Semi-automatic pulverized coal sampler |
| CN102589932B (en) * | 2012-02-21 | 2013-10-23 | 玖龙纸业（太仓）有限公司 | Semi-automatic pulverized coal sampler |
| CN105092285A (en) * | 2015-07-17 | 2015-11-25 | 长沙开元仪器股份有限公司 | Sampling machine |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |
|
| CX01 | Expiry of patent term |