CN2149622Y - Mechanical coal sampling and preparing specimen apparatus - Google Patents
Mechanical coal sampling and preparing specimen apparatus Download PDFInfo
- Publication number
- CN2149622Y CN2149622Y CN 92219972 CN92219972U CN2149622Y CN 2149622 Y CN2149622 Y CN 2149622Y CN 92219972 CN92219972 CN 92219972 CN 92219972 U CN92219972 U CN 92219972U CN 2149622 Y CN2149622 Y CN 2149622Y
- Authority
- CN
- China
- Prior art keywords
- coal
- sampling
- sample
- level
- belt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a mechanical original coal sampling and making apparatus for a belt coal conveying system, particularly the mechanical original coal sampling and making apparatus for a coal conveying leather belt in a fire electricity station. The mechanical original coal sampling and making apparatus is characterized in that an arm swinging sampling head in the apparatus carries out the sampling on the end part of the leather belt. A leather belt coal giving machine uniformly gives the coal sample to a first level coal crushing machine and a first level division device is arranged behind the first level coal crushing machine. A second level coal crushing machine is arranged behind the first level division device and at last, a second level division device is connected. The mechanical original coal sampling and making apparatus has good sampling representative performance, high precision and reliable running, and can be widely used for the leather belt coal conveying system in the fire electricity station.
Description
The utility model relates to the raw coal mechanization sampling device of using on a kind of former sampling apparatus for coal that uses on the Belt Type Coal Conveying Systems, particularly thermal power plant's coal conveyer belt.
For calculating the economic target of thermal power plant--coal consumption exactly, must provide the representational stove coal sample of going into, for the usefulness of analyzing coal characteristic., manually gather and process sample and can't obtain representative sample more than ten thousand tons because big-and-middle-sized thermal power plant furnace coal weight every day reaches thousands of, so must adopt the mechanization sampling device.
The CYJ-A type scraper-type coal mining model machine that more generally adopts Chongqing electric power accessory factory to produce in the domestic now thermal power plant.This machine system adopts scraper plate from the sampling of coal conveyer belt middle part, institute's sample thief enters one-level jaw formula coal cracker, enter secondary pair roller type coal cracker immediately, the coal sample after the fragmentation enters one-level conical shell clearance type reduction device, enters secondary deciliter funneling reduction device immediately and obtains final sample.
CYJ-A type coal mining model machine adopts the scraper plate sampling, and the scraper-type sampling head is difficult to collect the sample of adequate representation, and the sample preparation technological process is unreasonable, and the secondary coal cracker is easily stifled, can not guarantee the normal operation of this device.
The former sampling apparatus for coal of RZL-C type of Mudanjiang two power plant developments has passed through technical appraisement by Heilongjiang Province power office tissue May nineteen ninety.This device is installed in the coal conveyer belt end, and it can only intercept the coal of belt coal stream width nearly 40% as sample, and its representativeness is relatively poor, the coal cracker apolegamy is suitable not to the utmost, discharging-material size is too big, and the reduction device division is gathered and processed the requirement that sample can not satisfy national standard or international standard than too little.
The utility model is to flow complete increment of full section collection for inventing a kind of belt coal of can realizing, gathers and processes sample and can normally move the good former sampling apparatus for coal of sampling representativeness continuously.
The utility model is achieved in that by sampling head, belt coal-feeding machine, coal cracker, reduction device forms former sampling apparatus for coal.Its technical characterstic is by the rocker-arm sampling head that is installed in the coal conveyer belt end, drives width greater than coal breakage stream under the sampling hopper transverse cuts belt of following coal breakage stream width by its rocking arm, realizes the full-section sampling to coal stream.Samples of coal pulled in the hopper, is sent into the one-level coal cracker by feeder and is crushed to below the granularity 13mm to feeder through coal spout, enters the sample that obtains primary sample respectively after the rotary reduction device division of one-level and measure the raw coal total moisture then.Primary sample is sent into the secondary coal cracker and further is crushed to granularity＜1mm, sends into to revolve bevel-type secondary reduction device division acquisition final sample again, and it is in order to analyze the chemical characteristic of coal.
The broken annular hammer coal breaker that adopts of the one-level of mechanization sampling device, two-stage crushing adopts the paddle type mill coal cracker; The rotary reduction device of one-level division, the secondary division is with revolving the bevel-type reduction device.
Magnetic separator is equipped with in the belt coal-feeding machine top, the ferromagnetism foreign matter in the sample can be taken out, and speed regulator and fair water fin also is housed, may command coal sample transporting velocity on the belt coal-feeding machine.
One primary sample well heater is housed behind the one-level spinning riffler, primary sample is added heat abstraction part moisture after, send into the fragmentation of secondary coal cracker again, can guarantee that the bigger raw coal of moisture is unlikely to cause the sample preparation device to stop up and safeguard its normal operation.
Rocking arm sampling head control system and electronic belt pound claim interlock, claim the certain coal-feeding quantity signal of accumulative total (adjustable) to control the sampling head action by pound.
Raw coal machinery sampling apparatus is carried out centralized control, and package unit can move automatically.
The utlity model has following advantage:
1, adopt the rocker-arm sampling head, can collect the full face complete increment of belt, sample representativeness is good, adds that the electronic platform scale on employing and the coal conveyer belt claims linkage technique, has improved the sampling degree of accuracy.
2, adopt at the uniform velocity charging of belt coal-feeding machine, and fragmentation is pressed in sample preparation, and--division--fragmentation--division flow scheme design prevents the obstruction of sample preparation device effectively, has improved operational reliability.
3, the sample of measuring total moisture can be collected in this device in the lump, thereby avoids gathering separately in addition the sample of measuring the raw coal total moisture.
Below in conjunction with accompanying drawing present embodiment is further described.
Among the figure: the 1--coal conveyer belt; 2--sampling head rocking arm;
3--sampling head sampling hopper; The 4--coal spout;
The 5--oscillator; The 6--belt coal-feeding machine;
The 7--magnetic separator; 8--one-level annular hammer coal breaker;
The 9--first-order reduction unit; 10--total moisture sample collection bucket;
The 11--coal spout; The surplus coal of 12--one-level is to lower floor's belt;
The 13--threeway; The 14--shunt valve;
The 15--well heater; 16--secondary coal cracker;
17--secondary reduction device; 18--final samples device gathering barrel;
The surplus coal of 19--secondary is to lower floor's belt.
Rocking arm (2) the drive sampling hopper (3) of the rocker-arm sampling head of coal conveyer belt (1) end flows full section along coal stream thickness direction transverse cuts coal and collects a complete increment.Rocking arm is power with the electric pushrod.The hopper width is greater than the coal conveyer belt width, and bucket capacity is greater than the collection coal amount of rocking arm by coal stream.After the coal conveyer belt electronic platform scale claims to accumulate certain coal amount (adjustable), send a signal to give the sampling head control system, sampling head auto-action cutting coal stream.
Sampling head sampling hopper institute coal sampling enters belt coal-feeding machine (6) through coal spout (4), and the coal spout hypomere is equipped with hertz oscilltor (5), is equipped with suspension type magnetic separator (7) above feeder.
The one-level coal cracker is vertical ring plektron, and rotating speed is 250 rev/mins, feed size＜100mm, discharging-material size＜13mm.Sample after the one-level fragmentation enters rotary reduction device (9) division and goes out primary sample, and this reduction device also has the mensuration of collection total moisture sample port (10) simultaneously.Blow device is equipped with in the reduction device top.Surplus coal then enters lower floor's coal conveyer belt (12) by coal spout (11) and takes away.
Primary sample such as moisture lower (8% and following) then can directly enter secondary hammer crusher (16), and rotating speed is 2800rpm, feed size＜13mm, discharging-material size＜1mm.As moisture higher (more than 8%), then switch by threeway (13), make sample enter well heater (15) through shunt valve (14), after removing part moisture, enter secondary hammer crusher (16) again, sample after the fragmentation revolves bevel-type reduction device (17) division through secondary again and goes out final sample (18), is sent to coal conveyer belt (12) after the surplus coal of secondary is collected and takes away.
Raw coal machinery sampling apparatus is carried out centralized control, but both also off-the-line operations of linkage of each several part, but the both also manual operations automatically of each table apparatus.
Claims (5)
1, a kind of raw coal mechanization sampling device, it comprises sampling head, feeder, coal cracker and reduction device etc., it is characterized in that: the rocker-arm sampling head is installed in belt ends, there is a rocking arm to drive the aggregate bin of width greater than coal breakage stream width under the belt, coal breakage stream sampling under transverse cuts on the coal stream thickness direction; The belt feeder is accepted the coal sample of gathering in the gathering materials of rocker-arm sampling head, and coal sample is delivered in its lower section one-level coal cracker uniformly; Connecing first-order reduction unit behind the one-level coal cracker, connect the secondary coal cracker behind the reduction device, is the secondary reduction device at last.
2, gather and process device by the described raw coal mechanization of claim 1, it is characterized in that: the broken annular hammer coal breaker that adopts of one-level, two-stage crushing adopts hammer crusher: rotary reduction device is adopted in the one-level division, and the secondary division is adopted and is revolved the bevel-type reduction device.
3, by the described raw coal mechanization sampling of claim 2 device, it is characterized in that: said belt feeder top is adorned a magnetic separator and is isolated ferromagnetism foreign matter in the sample.
4, by the described raw coal mechanization sampling of claim 3 device, it is characterized in that: adorn a sample heating arrangement behind first-order reduction unit, heating makes its partial dehydration to sample to adopt electricity or hot blast, the blocked and normal operation of influence of anti-locking apparatus.
5, gather and process device by the described raw coal mechanization of claim 4, it is characterized in that: the metering pound of the control system of rocking arm sampling head and coal conveyer belt claims interlock, claims the signal of the certain coal amount number of accumulative total to control the action of sampling rocking arm by the belt pound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92219972 CN2149622Y (en) | 1992-10-19 | 1992-10-19 | Mechanical coal sampling and preparing specimen apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92219972 CN2149622Y (en) | 1992-10-19 | 1992-10-19 | Mechanical coal sampling and preparing specimen apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2149622Y true CN2149622Y (en) | 1993-12-15 |
Family
ID=33767106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92219972 Expired - Fee Related CN2149622Y (en) | 1992-10-19 | 1992-10-19 | Mechanical coal sampling and preparing specimen apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2149622Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614627B (en) * | 2008-06-27 | 2012-09-05 | 上海宝钢工业检测公司 | On-line sampling system for metallurgical raw materials |
| CN102749235A (en) * | 2012-06-15 | 2012-10-24 | 北京冶联科技有限公司 | Unattended intelligent sample making device of heat power plant, and method thereof |
| CN103954471A (en) * | 2014-04-01 | 2014-07-30 | 华电电力科学研究院 | Intelligent sampling, packing and code spurting system of automobile coal as received in power plant, and method thereof |
| CN104198231A (en) * | 2014-07-09 | 2014-12-10 | 国电内蒙古东胜热电有限公司 | Intelligent sample preparation method |
| CN104634607A (en) * | 2015-01-27 | 2015-05-20 | 梁中进 | Full-automatic on-line sampling and preparing integration method and system of tower type fire coal |
| CN104655447A (en) * | 2014-01-17 | 2015-05-27 | 柳州钢铁股份有限公司 | Device for sampling head of sintering ore belt below groove of blast furnace |
| 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 |
| CN107132096A (en) * | 2017-06-21 | 2017-09-05 | 长沙开元仪器股份有限公司 | A kind of rotary reduction device for coal sample preparation |
| CN107807029A (en) * | 2017-11-27 | 2018-03-16 | 长沙开元仪器股份有限公司 | A kind of online sample preparation and test system |
| CN108332987A (en) * | 2018-02-01 | 2018-07-27 | 珠海中电环保设备有限公司 | A kind of full-automatic coal carrying out coal for train gathers and processes quadrat method |
| CN111999113A (en) * | 2020-08-13 | 2020-11-27 | 大唐河北发电有限公司马头热电分公司 | Coal as fired sampling machine and energy-saving operation method thereof |
-
1992
- 1992-10-19 CN CN 92219972 patent/CN2149622Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614627B (en) * | 2008-06-27 | 2012-09-05 | 上海宝钢工业检测公司 | On-line sampling system for metallurgical raw materials |
| CN102749235A (en) * | 2012-06-15 | 2012-10-24 | 北京冶联科技有限公司 | Unattended intelligent sample making device of heat power plant, and method thereof |
| CN102749235B (en) * | 2012-06-15 | 2015-07-01 | 北京冶联科技有限公司 | Unattended intelligent sample making device of heat power plant, and method thereof |
| CN104655447A (en) * | 2014-01-17 | 2015-05-27 | 柳州钢铁股份有限公司 | Device for sampling head of sintering ore belt below groove of blast furnace |
| CN103954471A (en) * | 2014-04-01 | 2014-07-30 | 华电电力科学研究院 | Intelligent sampling, packing and code spurting system of automobile coal as received in power plant, and method thereof |
| CN104198231A (en) * | 2014-07-09 | 2014-12-10 | 国电内蒙古东胜热电有限公司 | Intelligent sample preparation method |
| CN104198231B (en) * | 2014-07-09 | 2017-02-15 | 国电内蒙古东胜热电有限公司 | Intelligent sample preparation method |
| CN104634607A (en) * | 2015-01-27 | 2015-05-20 | 梁中进 | Full-automatic on-line sampling and preparing integration method and system of tower type fire coal |
| 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 |
| CN107132096A (en) * | 2017-06-21 | 2017-09-05 | 长沙开元仪器股份有限公司 | A kind of rotary reduction device for coal sample preparation |
| CN107132096B (en) * | 2017-06-21 | 2023-10-20 | 长沙开元仪器有限公司 | Rotary divider for coal sample preparation |
| CN107807029A (en) * | 2017-11-27 | 2018-03-16 | 长沙开元仪器股份有限公司 | A kind of online sample preparation and test system |
| CN108332987A (en) * | 2018-02-01 | 2018-07-27 | 珠海中电环保设备有限公司 | A kind of full-automatic coal carrying out coal for train gathers and processes quadrat method |
| CN111999113A (en) * | 2020-08-13 | 2020-11-27 | 大唐河北发电有限公司马头热电分公司 | Coal as fired sampling machine and energy-saving operation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2149622Y (en) | Mechanical coal sampling and preparing specimen apparatus | |
| CN107046962B (en) | A kind of stalk cutting speed and the adjustable cylinder cutter of Cutting Length | |
| CN1903442A (en) | Semi-automill ball-milling type ore grinding system and its control system | |
| CN108483962A (en) | A kind of aggregate production of intelligent control system and method | |
| CN209440879U (en) | A kind of quantitative automatic feeding device for steel scrap cooked flake wrapping machine | |
| CN103922155A (en) | Fully program-controlled one-material one-scale batching device and method | |
| CN117380011B (en) | Machine-made sand production system | |
| CN2589413Y (en) | Rotary feeder | |
| CN201331450Y (en) | Coal sampling machine group | |
| CN116328927A (en) | Grinding equipment based on target particle size distribution control | |
| CN215029548U (en) | Wet ball mill with quantitative feeding device | |
| CN216037483U (en) | Automatic batching device | |
| CN214937251U (en) | Acetylene automatic feeding device | |
| CN209917692U (en) | Wet feed bin convenient to unloading | |
| CN220625813U (en) | Primary collecting and manufacturing system for large-granularity coal sample | |
| CN105195292A (en) | Full-automatic powder production equipment and process flow thereof | |
| CN2260320Y (en) | Microcomputerized device for dosing | |
| CN219702091U (en) | Jiao Tanhuan hammer crusher | |
| CN218271491U (en) | Grit aggregate particle grading online automatic detection system | |
| CN104437808A (en) | Super-wet coal gangue and loesscombinedpre-treatment facility and super-wet coal gangue and loess combinedpre-treatment facility process | |
| CN216998427U (en) | PLC (programmable logic controller) controlled dry anaerobic fermentation feeding system | |
| CN116655215B (en) | Automatic feeding system for glass fiber waste silk | |
| CN221039090U (en) | Coal quality detecting system | |
| CN218782013U (en) | Belt ore automatic sampling and preprocessing device | |
| CN220323336U (en) | Automatic alloy inspection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |