CN205861383U - As-fired coal sampling and verification integral system of weighing in high precision - Google Patents
As-fired coal sampling and verification integral system of weighing in high precision Download PDFInfo
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- CN205861383U CN205861383U CN201620782808.4U CN201620782808U CN205861383U CN 205861383 U CN205861383 U CN 205861383U CN 201620782808 U CN201620782808 U CN 201620782808U CN 205861383 U CN205861383 U CN 205861383U
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- coal
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- verification
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Abstract
The utility model discloses and belong to a kind of high accuracy as-fired coal sampling of as-fired coal sampling and calibration technology field of weighing and verification integral system of weighing.The sampling of this as-fired coal and verification integral system of weighing are by coal spout, coal sampler, sampling feed bin, conveyer belt, coal division keeps sample equipment, automatically code-spraying equipment is packed, computer control unit, belt conveyer scale gravity sensor, belt conveyer scale, electric door motor, Electrically operated gate, coal bunker gravity sensor, weigh coal bunker, bucket elevator, liftway, bucket elevator lifting motor forms, computer control unit controls coal sampler and carries out automatic coal sampling, coal sample enters coal division and keeps sample equipment, standby sample is increased after reduction device division keeps sample, standby sample is packed and coding preservation automatically by automatically packing code-spraying equipment.Belt conveyer scale is weighed verification by the weight signal that computer control unit is returned according to coal bunker internal feedback of weighing.This utility model can realize sampling automatization and the precision of belt conveyer scale verification from coal, it is provided that well Technical Reference.
Description
Technical field
This utility model belongs to the sampling of stove coal and metering system scope, particularly to one high accuracy as-fired coal sampling and title
Integral system is tested in re-graduation.
Technical background
In the fire coal production process of thermal power plant, the cost of fuel constitutes about the 80% of totle drilling cost, so ensureing into stove
Coal is up-to-standard stable significant to the economic benefit safeguarding power plant.The error impact that analysis result is caused by sampling element
Very big, existing as-fired coal sampling apparatus is arranged in the middle part of conveyer belt mostly, in belt runs by sampling head periodically by coal by skin
Scraping on band, enter division equipment, unnecessary coal sample is carried back conveyer belt by bucket elevator.But the sampling head degree of depth is wayward, cross deep meeting
Damage belt, crosses the most shallow, samples that under-represented (particularly CFB unit, at coal after Screening and crushing system at conveyer belt higher slice
Piling up, ature of coal levels difference is bigger).
At present, as-fired coal weigh calibration equipment many employings carrying roller weigh, chain code dynamic check.But chain code check is installed relatively
Complexity, is affected, after relatively testing with many factors such as zone face frictional force, chain code movable part resistances by conveyer belt tensile force, chain code
Error cannot ensure, need to carry out physical goods inspection every year, major part factory coal handling system does not all design the feed bin of physical goods inspection and enters
Material mouth, verifying work difficulty is big and precision is difficult to ensure that.
Solving coal handling system as-fired coal for specific aim to sample and problem present in checking procedure of weighing, the present invention proposes one
Plant high accuracy as-fired coal sampling and verification integral system of weighing, by carrying out coal sampling the most automatically in coal spout, solve
Above-mentioned coal sample devices is sampled the strongest problem uneven, representative.The corresponding biography received by computer control system
The weight signal of sensor feedback, can complete automatic Weighing verification, solves that the work difficulty that chain code dynamic check exists is big, error
The problem that cannot ensure.Make as-fired coal sampling and gage work automatization, precision.
Utility model content
The purpose of this utility model is to sample and present in metering process for coal handling system as-fired coal in prior art
Problem and a kind of high accuracy as-fired coal sampling and verification integral system of weighing are provided, it is characterised in that the sampling of this as-fired coal and
Weigh verification integral system by coal spout 1, coal sampler 2, sampling feed bin 3, conveyer belt 4, coal division keep sample equipment 5, from
Dynamic packaging code-spraying equipment 6, computer control unit 7, belt conveyer scale gravity sensor 8, belt conveyer scale 9, electric door motor 10, Electrically operated gate
11, coal bunker gravity sensor 12, coal bunker 13 of weighing, bucket elevator 14, liftway 15, bucket elevator lifting motor 16 form;Wherein,
Coal sampler 2 is installed on coal spout 1 side, as automatic sampling apparatus;The outlet of sampling feed bin 3 connects coal division and keeps sample equipment
The entrance of 5, the keep sample standby sample outlet of equipment 5 of coal division connects the entrance automatically packing code-spraying equipment 6;Coal bunker gravity sensor 12
Lower section in coal bunker 13 of weighing;Electrically operated gate 11 is positioned at the lower section of coal bunker gravity sensor 12, and Electrically operated gate 11 outlet is positioned at belt conveyer scale 9
Front;Belt conveyer scale 9 is positioned at the lower section of conveyer belt 4;Computer control unit 7 by signal transmssion line respectively with coal sampler
2, code-spraying equipment 6, belt conveyer scale gravity sensor 8, electric door motor 10, coal bunker gravity sensor 12, bucket elevator liter are automatically packed
Fall motor 16 connects.Bucket elevator 14 is positioned on liftway 15, and is connected with bucket elevator lifting motor 16.
The coal bunker gravity sensor 12 of described coal bunker 13 bottom of weighing periodically carries out counterweight verification.
Described coal division keeps sample the standby sample in equipment 5, through packaging code-spraying equipment 6 carries out packaging and coding preserves 30 automatically
My god.
The beneficial effects of the utility model are: this utility model is sampled by carrying out coal the most automatically in coal spout, protects
Uniformity and the representativeness of coal sampling are demonstrate,proved.The weight signal of respective sensor feedback is received by computer control system, can
Complete automatic Weighing verifying work, solve the problem that the work difficulty that chain code dynamic check exists is big, error cannot ensure.Make
Obtain as-fired coal sampling and weigh verifying work automatization, precision.For completing the automatic sampling work of as-fired coal and improving into stove
Coal metering accuracy provides good Technical Reference.
Accompanying drawing explanation
Fig. 1 is high accuracy as-fired coal sampling and verification integral system structural representation of weighing.
Detailed description of the invention
This utility model provides a kind of high accuracy as-fired coal sampling and verification integral system of weighing the most right
This utility model is further described.
As shown in fig. 1, the sampling of stove coal and verification integral system of weighing are by coal spout 1, coal sampler 2, sampling material
Storehouse 3, conveyer belt 4, coal division keep sample equipment 5, automatically packaging code-spraying equipment 6, computer control unit 7, belt conveyer scale gravity sensitive
Device 8, belt conveyer scale 9, electric door motor 10, Electrically operated gate 11, coal bunker gravity sensor 12, coal bunker 13 of weighing, bucket elevator 14, lifting are led to
Road 15, bucket elevator lifting motor 16 form;Wherein, coal sampler 2 is installed on coal spout 1 side, as automatic sampling apparatus;
The outlet of sampling feed bin 3 connects coal division and keeps sample the entrance of equipment 5, and the keep sample standby sample of equipment 5 of coal division exports to connect and automatically packs spray
The entrance of decoding apparatus 6;Coal bunker gravity sensor 12 is positioned at the lower section of coal bunker 13 of weighing;Electrically operated gate 11 is positioned at coal bunker gravity sensor
The lower section of 12, Electrically operated gate 11 outlet is positioned at the front of belt conveyer scale 9;Belt conveyer scale 9 is positioned at the lower section of conveyer belt 4;Computer controls single
Unit 7 by signal transmssion line respectively with coal sampler 2, automatically packaging code-spraying equipment 6, belt conveyer scale gravity sensor 8, Electrically operated gate
Motor 10, coal bunker gravity sensor 12, bucket elevator lifting motor 16 connect.Bucket elevator 14 be positioned on liftway 15 and with bucket
Carry machine lifting motor 16 to connect.
The coal bunker gravity sensor 12 of described coal bunker 13 bottom of weighing periodically carries out counterweight verification.
The sampling of this as-fired coal and verification integral system of weighing are to as-fired coal sampling and the principle of verification of weighing: computer control
Unit 7 processed controls coal sampler 2 and carries out automatic coal sampling, and coal sample enters the coal division equipment 5 that keeps sample and carries out increasing after division keeps sample
Add standby sample, wherein automatically pack for sample through automatically packing code-spraying equipment 6 and spray Quick Response Code encryption, in order to selective examination verification.Abandon
Sample is weighed respectively in coal bunker 13 of weighing on belt conveyer scale 9, and computer control unit 7 returns according to coal bunker 13 internal feedback of weighing
Belt conveyer scale 9 is weighed verification by the weight signal come.
Claims (3)
1. a high accuracy as-fired coal sampling and verification integral system of weighing, it is characterised in that as-fired coal sampling and school of weighing
Test integral system to be kept sample equipment by coal spout (1), coal sampler (2), sampling feed bin (3), conveyer belt (4), coal division
(5) code-spraying equipment (6), computer control unit (7), belt conveyer scale gravity sensor (8), belt conveyer scale (9), electronic, is automatically packed
Door motor (10), Electrically operated gate (11), coal bunker gravity sensor (12), coal bunker of weighing (13), bucket elevator (14), liftway
(15), bucket elevator lifting motor (16) composition;Wherein, coal sampler (2) is installed on coal spout (1) side, as automatically adopting
Sampling device;The outlet of sampling feed bin (3) connects coal division and keeps sample the entrance of equipment (5), and the keep sample standby sample of equipment (5) of coal division exports
Connect the entrance automatically packing code-spraying equipment (6);Coal bunker gravity sensor (12) is positioned at the lower section of coal bunker of weighing (13);Electrically operated gate
(11) being positioned at the lower section of coal bunker gravity sensor (12), Electrically operated gate (11) outlet is positioned at the front of belt conveyer scale (9);Belt conveyer scale (9)
It is positioned at the lower section of conveyer belt (4);Computer control unit (7) by signal transmssion line respectively with coal sampler (2), automatically wrap
Dress code-spraying equipment (6), belt conveyer scale gravity sensor (8), electric door motor (10), coal bunker gravity sensor (12), bucket elevator liter
Fall motor (16) connects, and bucket elevator (14) is positioned on liftway (15), and is connected with bucket elevator lifting motor (16).
The sampling of high accuracy as-fired coal and verification integral system of weighing the most according to claim 1, it is characterised in that described title
The coal bunker gravity sensor (12) of weight coal bunker (13) bottom periodically carries out counterweight verification.
The sampling of high accuracy as-fired coal and verification integral system of weighing the most according to claim 1, it is characterised in that described coal
Division keeps sample the standby sample in equipment (5), carries out packaging and coding preserves 30 days through automatically packing code-spraying equipment (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620782808.4U CN205861383U (en) | 2016-07-22 | 2016-07-22 | As-fired coal sampling and verification integral system of weighing in high precision |
Applications Claiming Priority (1)
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CN201620782808.4U CN205861383U (en) | 2016-07-22 | 2016-07-22 | As-fired coal sampling and verification integral system of weighing in high precision |
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CN205861383U true CN205861383U (en) | 2017-01-04 |
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CN201620782808.4U Expired - Fee Related CN205861383U (en) | 2016-07-22 | 2016-07-22 | As-fired coal sampling and verification integral system of weighing in high precision |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106226125A (en) * | 2016-07-22 | 2016-12-14 | 华北电力大学 | A kind of high accuracy as-fired coal sampling and weigh verification integral system and method |
CN110926869A (en) * | 2019-11-12 | 2020-03-27 | 中南大学 | Preliminary division weighing and collecting device and method for powdery sample material |
-
2016
- 2016-07-22 CN CN201620782808.4U patent/CN205861383U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106226125A (en) * | 2016-07-22 | 2016-12-14 | 华北电力大学 | A kind of high accuracy as-fired coal sampling and weigh verification integral system and method |
CN110926869A (en) * | 2019-11-12 | 2020-03-27 | 中南大学 | Preliminary division weighing and collecting device and method for powdery sample material |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20200722 |
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CF01 | Termination of patent right due to non-payment of annual fee |