CN106226120A - A kind of automatically rotate sampling apparatus for as-fired coal - Google Patents
A kind of automatically rotate sampling apparatus for as-fired coal Download PDFInfo
- Publication number
- CN106226120A CN106226120A CN201610586312.4A CN201610586312A CN106226120A CN 106226120 A CN106226120 A CN 106226120A CN 201610586312 A CN201610586312 A CN 201610586312A CN 106226120 A CN106226120 A CN 106226120A
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- Prior art keywords
- coal
- sampling
- sample spoon
- fired coal
- electric pushrod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
- F16J15/188—Split assemblies
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses and belong to as-fired coal Sampling techniques field a kind of and automatically rotate sampling apparatus for as-fired coal.This sampling apparatus that automatically rotates being used for as-fired coal is made up of sample spoon, elastic sealing element, action bars, electric pushrod.Electric pushrod controls push rod stroke, to realize action bars drive sample spoon rotary motion, completes the automatic sampling to as-fired coal.Electric pushrod by adjustable limiting on-off control, accurately controls realizing displacement.The sealing surface of elastic sealing element is cambered surface, fits tightly the sealing plate bottom sample spoon, effectively prevents the coal dust in coal spout from leaking into sampling feed bin.The present invention can realize the automatic sampling to as-fired coal, and by using electric pushrod as the control device of sample spoon, overall construction design is novel, volume is little, precision is high, provides good Technical Reference for improving the stability of the automatic sampling work of as-fired coal.
Description
Technical field
The present invention relates to a kind of as-fired coal sampling apparatus, automatically rotate sampling cartridge particularly to a kind of for as-fired coal
Put.
Technical background
Net coal consumption rate is the major economic indicators of thermal power plant, and traditional net coal consumption rate of sending out calculates owing to lacking furnace coal weight
Effective metering, general use back balance to calculate coal consumption, and the coal consumption calculated according to back balance can not accurately reflect machine
The operation conditions of group and the business efficiency of full factory.For controlling cost of electricity-generating and reflecting coal consumption level truly, national regulation is necessary
Positive balance is used to calculate coal consumption, it is desirable to as-fired coal sampling true reflection as-fired coal matter situation.Positive balance calculates coal consumption and relies primarily on
Generated energy, belt scale metering coal weight, as-fired coal sampling chemical examination calorific value are tried to achieve jointly.Generation current amount is read by ammeter, and precision is very
High；Belt scale metering coal weight error is also in allowable range.
Existing as-fired coal sampling apparatus many employings mechanical sampling device, sampling apparatus is located in the middle part of conveyer belt, transports at belt
Periodically being scraped by belt by coal by sampling head in row, enter division equipment, unnecessary coal sample is carried back conveyer belt by bucket elevator.But adopt
The sample head degree of depth is wayward, crosses and deeply can damage belt, crosses shallow, samples under-represented, and particularly CFB unit, broken through sieving
After system, coal is piled up at conveyer belt higher slice, and ature of coal levels difference is bigger.And traditional mechanical sampling apparatus to there is also structure stupid
The problem of weight.
Solving as-fired coal sampling for specific aim and problem that metering device exists, the present invention proposes a kind of for as-fired coal
Automatically rotate sampling apparatus, by arranging the sample spoon with cuboid groove at coal spout, use electric pushrod to provide dynamic
Power, it is achieved carry out as-fired coal sampling the most accurately in coal spout, sampling is uniformly, representative strong.Owing to have employed electronic pushing away
Bar so that whole-sample is simple and compact for structure.
Summary of the invention
It is an object of the invention to provide and a kind of automatically rotate sampling apparatus for as-fired coal, it is characterised in that this is used for
Automatically the rotation sampling apparatus of as-fired coal is by coal spout 1, sample spoon 2, sampling feed bin 3, elastic sealing element 4, sealing plate 5, perforate
Boss 7, case 8, wear-resisting protect block 9, end cap 13, action bars 14, push rod drive mechanism 15, bearing base 16, left and right bearing, filler
Black box 18 forms；Wherein, material taking mouth is opened in coal spout 1 side, and sampling feed bin 3 is fixed on coal spout 1 institute by bolt 6
Opening material taking mouth lower end outer wall side to see, case 8 is fixed on coal spout 1 opened material taking mouth upper end outer wall side by the second bolt 6-2；Take
Sample storehouse 3 another side, case 8 another side are connected by the first bolt 6-1；The wear-resisting block 9 that protects is fixed on by the 3rd bolt 6-3
Inwall side, coal pipe 1 opened material taking mouth upper end；Sealing plate 5 is positioned at the left end lower position of sample spoon 2, and elastic sealing element 4 is solid respectively
Due to coal spout 1 opened material taking mouth lower end outer wall side and the another side of sampling feed bin 3；It is internal that perforate boss 7 is respectively positioned on case 8；
Perforate boss 7 is welded in the left upper part position of sample spoon 2, and welding position to the high order end of sample spoon 2 leaves certain length
Discharging opening.
Described elastic sealing element 4 includes sealing strip 10, T-shaped pedestal 11, spring 12；Sealing strip 10 top seal face is arc
Face, this cambered surface and the laminating of sealing plate 5 bottom cambered surface, sealing strip 10 bottom is cylinder, is set in spring 12 upper end；Spring 12 is embedding
It is enclosed within the T-slot of T-shaped pedestal 11.
Described sample spoon 2 is cuboid groove.
Through cylindrical action bars 14 in the circular hole of described perforate boss 7, action bars 14 and perforate boss 7 use keying
Fixed；Action bars 14 two is each passed through right bearing 17-1 and left bearing 17；Right bearing 17-1 and left bearing 17 pass through bearing base
16 are separately fixed at case 8 both sides external position；Packing seal assembly 18 it is provided with between action bars 14 and case 8；
Described left bearing 17, the outside installation end lid 13 respectively of right bearing 17-1, end cap 13 by the 4th bolt 6-4, the
Five bolt 6-5 are fixed on case 8；
Described push rod drive mechanism 15 includes fixed pedestal 19, electric pushrod 20, the company's of driving handle 21；Electric pushrod 20 is furnished with
Adjustable limiting switchs；Electric pushrod 20 lower end is articulated with on fixed pedestal 19；A left side for electric pushrod 20 upper end and driving even handle 21
Hold hinged；The company's of driving handle 21 right-hand member opens circular hole, and action bars 14 is nested in driving even handle 21 right-hand member circular hole and fixed by keying.
The invention has the beneficial effects as follows: this is used for the electric pushrod automatically rotating sampling apparatus of as-fired coal by hinged machine
Structure drives the action bars being fixed on the company's of driving handle to rotate, it is achieved sample spoon rotates in coal spout, completes sampling action.Pass through
Arranging elastic sealing strip can effectively prevent coal dust in coal spout from leaking into sampling feed bin when not sampling.Electric pushrod is furnished with adjustable limit
Bit switch, it is achieved the high accuracy of sampling action controls.For solving the automatization of as-fired coal machinery of sampling device, simplicity provides
Technical Reference.
Accompanying drawing explanation
Fig. 1 is the rotation sampling arrangement samples schematic diagram automatically for as-fired coal.
Fig. 2 is the sampling apparatus coal sample taking-up schematic diagram of rotation automatically for as-fired coal.
Fig. 3 is that elastic sealing element is along sealing cambered surface sectional view.
Fig. 4 is the left view of Fig. 1.
Fig. 5 is push rod drive mechanism and sample spoon action schematic diagram.
Fig. 6 is the A-A view of Fig. 1.
Detailed description of the invention
The present invention provides a kind of and automatically rotates sampling apparatus for as-fired coal, makees the present invention into one below in conjunction with the accompanying drawings
The explanation of step.
Automatically rotating in sampling apparatus for as-fired coal shown in Fig. 1, what this was used for as-fired coal rotates sampling automatically
Device by coal spout 1, sample spoon 2, sampling feed bin 3, elastic sealing element 4, sealing plate 5, perforate boss 7, case 8, wear-resisting protect block
9, end cap 13, action bars 14, push rod drive mechanism 15, bearing base 16, left and right bearing, packing seal assembly 18 form；Wherein,
Material taking mouth is opened in coal spout 1 side, and sampling feed bin 3 is fixed on coal spout 1 opened material taking mouth lower end outer wall side by bolt 6,
Case 8 is fixed on coal spout 1 opened material taking mouth upper end outer wall side by the second bolt 6-2；Sampling feed bin 3 another side, case 8 are another
While being connected by the first bolt 6-1；The wear-resisting block 9 that protects is fixed in coal spout 1 opened material taking mouth upper end by the 3rd bolt 6-3
Wall side；Sealing plate 5 is positioned at the left end lower position of sample spoon 2, and elastic sealing element 4 is individually fixed in the opened material taking mouth of coal spout 1
Lower end outer wall side and sampling feed bin 3 another side；It is internal that perforate boss 7 is respectively positioned on case 8；Perforate boss 7 is welded in sample spoon 2
Left upper part position, and welding position to the high order end of sample spoon 2 leaves certain length discharging opening；Sample spoon 2 is that cuboid is recessed
Groove (as shown in Figure 6).
Fig. 3 show elastic sealing element edge and seals cambered surface sectional view, and elastic sealing element 4 includes sealing strip 10, T-shaped pedestal
11, spring 12；Sealing strip 10 top seal face is cambered surface, and this cambered surface and the laminating of sealing plate 5 bottom cambered surface, sealing strip 10 bottom is
Cylinder, is set in spring 12 upper end；Spring 12 is nested in the T-slot of T-shaped pedestal 11.When sample spoon 2 moves, spring 12
The compressional deformation that sealing strip 10 is produced by absorbable sealing plate 5, makes below the sealing strip 10 that is nested on spring 12 and sample spoon 2
Sealing plate 5 fit tightly, it is to avoid when sample spoon 2 is in position shown in Fig. 1, Fig. 2, the coal dust in coal spout 1 leak into sampling material
In storehouse 3.
Fig. 4 show the left view of Fig. 1.Through cylindrical action bars 14 in the circular hole of described perforate boss 7, action bars
14 use keying fixed with perforate boss 7；Action bars 14 two is each passed through right bearing 17-1 and left bearing 17；Right bearing 17-1 and
Left bearing 17 is separately fixed at case 8 both sides external position by bearing base 16；It is provided with filler between action bars 14 and case 8
Black box 18；Described left bearing 17, the outside installation end lid 13 respectively of right bearing 17-1, end cap 13 by the 4th bolt 6-4,
5th bolt 6-5 is fixed on case 8.
Fig. 5 show push rod drive mechanism and sample spoon action schematic diagram.Described push rod drive mechanism 15 includes fixed base
Seat 19, electric pushrod 20, the company's of driving handle 21；Electric pushrod 20 is furnished with adjustable limiting switch；Electric pushrod 20 lower end is articulated with solid
Determine on pedestal 19；Electric pushrod 20 upper end is hinged with the left end of the company's of driving handle 21；The company's of driving handle 21 right-hand member drives circular hole, action bars 14
It is nested in driving even handle 21 right-hand member circular hole and fixed by keying.Electric pushrod 20 is furnished with adjustable limiting switch, is accurately controlled
The pushrod movement position of electric pushrod 20；When sample spoon 2 is positioned at position shown in Fig. 2, the push rod of electric pushrod 20 is in be received completely
Contracting state；When the push rod of electric pushrod 20 does release motion, the company's of driving handle 21 drives action bars 14 to turn clockwise, and works as sampling
When spoon 2 moves to position shown in Fig. 1, the push rod of electric pushrod 20 is in fully extended state.Described electric pushrod 20 can realize
Sample spoon 2 rotates from position shown in Fig. 1 to acceleration during position shown in Fig. 2, to shake viscous coal, prevents from occurring in sample spoon 2
Serious viscous coal phenomenon.
As shown in Figure 1, Figure 2, Figure 4 shows, when carrying out coal sampling action, the coal dust in coal spout 1 falls in sample spoon 2, operation
Bar 14 is rotated under the driving of push rod drive mechanism 15, and then drive is fixed on the sample spoon 2 in the middle part of action bars 14
Make counter-clockwise rotary motion, meanwhile, the coal sample in sample spoon 2 under self gravitation effect along sample spoon 2 slide downward, after warp
The discharging opening of sample spoon 2 left end slips in sampling feed bin 3.When sample spoon 2 arrives position shown in Fig. 2, push rod drive mechanism 15
Stopping action；After the certain predetermined time, push rod drive mechanism 15 starts action, and action bars 14 drives and is fixed in the middle part of action bars 14
Sample spoon 2 make clockwise rotation, when sample spoon 2 moves to position shown in Fig. 1, push rod drive mechanism 15 stops dynamic
Make, enter next sampling process.
Claims (5)
1. one kind rotates sampling apparatus automatically for as-fired coal, it is characterised in that what this was used for as-fired coal rotates sampling automatically
Device is by coal spout (1), sample spoon (2), sampling feed bin (3), elastic sealing element (4), sealing plate (5), perforate boss (7), cover
Shell (8), wear-resisting protect block (9), end cap (13), action bars (14), push rod drive mechanism (15), bearing base (16), left and right bearing,
Packing seal assembly (18) forms；Wherein, material taking mouth is opened in coal spout (1) side, and sampling feed bin (3) is solid by bolt (6)
Due to coal spout (1) opened material taking mouth lower end outer wall side, case (8) is fixed on coal spout (1) by the second bolt (6-2) to be opened
Material taking mouth upper end outer wall side；Sampling feed bin (3) another side, case (8) another side are connected by the first bolt (6-1)；Wear-resisting protect
Block (9) is fixed on inwall side, coal spout (1) opened material taking mouth upper end by the 3rd bolt (6-3)；Sealing plate (5) is positioned at sample spoon
(2) left end lower position, sealing plate (5) and sample spoon (2) and by elastic sealing element (4) with sampling feed bin (3) another side
Fix with coal spout (1) opened material taking mouth lower end outer wall side；It is internal that perforate boss (7) is respectively positioned on case (8)；Perforate boss (7)
It is welded in the left upper part position of sample spoon (2), and welding position to the high order end of sample spoon (2) leaves certain length discharging
Mouthful.
A kind of automatically rotate sampling apparatus for as-fired coal, it is characterised in that described elasticity is close
Sealing (4) includes sealing strip (10), T-shaped pedestal (11), spring (12)；Sealing strip (10) top seal face is cambered surface, this cambered surface
Fitting with sealing plate (5) bottom cambered surface, sealing strip (10) bottom is cylinder, is set in spring (12) upper end；Spring (12) is embedding
It is enclosed within the T-slot of T-shaped pedestal (11).
A kind of automatically rotate sampling apparatus for as-fired coal, it is characterised in that described sample spoon
(2) it is cuboid groove.
A kind of automatically rotate sampling apparatus for as-fired coal, it is characterised in that described perforate is convex
Through cylindrical action bars (14) in the circular hole of platform (7), action bars (14) and perforate boss (7) use keying fixed；Action bars
(14) two is each passed through right bearing (17-1) and left bearing (17)；Right bearing (17-1) and left bearing (17) pass through bearing base
(16) case (8) both sides external position it is separately fixed at；It is provided with packing seal assembly between action bars (14) and case (8)
(18)；Described left bearing (17), the outside installation end lid (13) respectively of right bearing (17-1), end cap (13) passes through the 4th bolt
(6-4), the 5th bolt (6-5) is fixed on case (8).
A kind of automatically rotate sampling apparatus for as-fired coal, it is characterised in that described push rod passes
Motivation structure (15) includes fixed pedestal (19), electric pushrod (20), company's of driving handle (21)；Electric pushrod (20) is furnished with adjustable limiting
Switch；Electric pushrod (20) lower end is articulated with on fixed pedestal (19)；A left side for electric pushrod (20) upper end and driving even handle (21)
Hold hinged；The company's of driving handle (21) right-hand member opens circular hole, and action bars (14) is nested in driving even handle (21) right-hand member circular hole and passes through key
Fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610586312.4A CN106226120B (en) | 2016-07-22 | 2016-07-22 | Automatic rotary sampling device for coal in furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610586312.4A CN106226120B (en) | 2016-07-22 | 2016-07-22 | Automatic rotary sampling device for coal in furnace |
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| Publication Number | Publication Date |
|---|---|
| CN106226120A true CN106226120A (en) | 2016-12-14 |
| CN106226120B CN106226120B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610586312.4A Active CN106226120B (en) | 2016-07-22 | 2016-07-22 | Automatic rotary sampling device for coal in furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872204A (en) * | 2017-04-13 | 2017-06-20 | 国网山东省电力公司电力科学研究院 | A kind of raw coal sampling device and method for preventing from dusting |
| CN108508060A (en) * | 2018-03-29 | 2018-09-07 | 湖南三德科技股份有限公司 | A kind of automatic sample-adding system and method |
| CN111024440A (en) * | 2020-03-11 | 2020-04-17 | 广东电网有限责任公司东莞供电局 | Soil layer surveying device and method |
| CN115561131A (en) * | 2022-12-08 | 2023-01-03 | 巴斯夫杉杉电池材料有限公司 | Full-automatic wet method online granularity detection device |
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| CN205981756U (en) * | 2016-07-22 | 2017-02-22 | 华北电力大学 | A autogiration sampling device for coal as fired |
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| JPH03105231A (en) * | 1989-09-20 | 1991-05-02 | Chubu Electric Power Co Inc | System for sampling coal |
| CN101140203A (en) * | 2007-09-19 | 2008-03-12 | 陆昕 | Spiral casing type coal fines sampling apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872204A (en) * | 2017-04-13 | 2017-06-20 | 国网山东省电力公司电力科学研究院 | A kind of raw coal sampling device and method for preventing from dusting |
| CN108508060A (en) * | 2018-03-29 | 2018-09-07 | 湖南三德科技股份有限公司 | A kind of automatic sample-adding system and method |
| CN108508060B (en) * | 2018-03-29 | 2024-05-24 | 湖南三德科技股份有限公司 | Automatic sample adding system and method |
| CN111024440A (en) * | 2020-03-11 | 2020-04-17 | 广东电网有限责任公司东莞供电局 | Soil layer surveying device and method |
| CN115561131A (en) * | 2022-12-08 | 2023-01-03 | 巴斯夫杉杉电池材料有限公司 | Full-automatic wet method online granularity detection device |
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|---|---|
| CN106226120B (en) | 2023-08-01 |
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