CN101907482B - Coal-fired boiler metering and weighing device - Google Patents
Coal-fired boiler metering and weighing device Download PDFInfo
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- CN101907482B CN101907482B CN201010212025XA CN201010212025A CN101907482B CN 101907482 B CN101907482 B CN 101907482B CN 201010212025X A CN201010212025X A CN 201010212025XA CN 201010212025 A CN201010212025 A CN 201010212025A CN 101907482 B CN101907482 B CN 101907482B
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- coal
- weighing
- coal bunker
- rocking arm
- weighing device
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- 238000005303 weighing Methods 0.000 title claims abstract description 35
- 239000003245 coal Substances 0.000 claims abstract description 67
- 230000002787 reinforcement Effects 0.000 claims description 3
- 241000273930 Brevoortia tyrannus Species 0.000 description 44
- 238000000034 method Methods 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005465 channeling Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to a coal-fired boiler metering and weighing device which comprises a coal bucket with a rotatable rocker arm, a bracket with a rotary joint matched with the rocker arm and a simple beam located at the top of the bracket and connected with the rocker arm through a lifting rope. The bracket is provided with a support rod which is located right below the coal bucket and provided with a bottom weighing sensor, a pressure sensor is arranged on the simple beam, an axle pin sensor is arranged at a position where the rocker arm and the coal bucket are pivoted, and all the sensors are respectively connected with a weighing control system. The weight of coal in the coal bucket can be measured through the bottom weighing sensor arranged at the bottom of the coal bucket, the axle pin sensor arranged at the position where the rocker arm and the coal bucket are pivoted and an S-shaped sensor arranged at the top of the bracket, and the cheating practice of weighing just the bottom when the coal bucket does not fall to the ground completely can also be prevented.
Description
Technical field
The present invention relates to a kind of discontinuous charging type coal-burning boiler, relate in particular to the reinforced weighing device of a kind of discontinuous charging type coal-burning boiler.
Background technology
Coal-burning boiler is widely used in industry-by-industry as a kind of steam commonly used and hot water generator.Before, the inventor proposed the coal-burning boiler weighing device of a kind of bottom weighing, adding weight coal-fired in the coal-burning boiler by coal bunker often needs to carry out weighing by meausring apparatus earlier, add the coal-fired time having increased virtually, exist error and operational numerous and diverse operation when also existing after the coal-fired weighing simultaneously in meausring apparatus adds coal bunker to.
Therefore, pressing for provides a kind of coal-burning boiler metering and weighing device, can in the process of coal bunker interpolation fire coal, carry out weighing by the fire coal to its loading, and, can effectively prevent from only to rely on when coal bunker not exclusively puts down in the weighing process cheating of bottom LOAD CELLS weighing by the sensor that is provided with at rotary joint.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of coal-burning boiler metering and weighing device, can in the process of coal bunker interpolation fire coal, carry out weighing by the fire coal to its loading, and the sensor by being provided with at its top pulling seat can effectively prevent from only to rely on when coal bunker not exclusively puts down in the weighing process cheating of bottom LOAD CELLS weighing.
In order to solve the problems of the technologies described above, a kind of coal-burning boiler metering and weighing device of the present invention, comprise that the coal bunker that is provided with rotatable rocking arm, the support that is provided with the rotary joint that matches with rocking arm, rocking arm are connected the fixed pulley of a top of the trellis by lifting rope, the support bar that described support is positioned under the coal bunker is provided with the bottom LOAD CELLS, on the fixed pulley seat pressure transducer is set; rotating shaft place of rocking arm and coal bunker is provided with the pivot pin sensor, and each sensor is connected with weighing control system all.
Adopt the technique effect that technique scheme reached to be: this coal bunker is lifted by the rocking arm support and the lifting rope of its cooperation, can be effectively to the motion channeling conduct and the location of coal bunker, the lifting rope of walking around fixed pulley by the support upper end lifts coal bunker, thereby coal bunker rising under the effect of rocking arm, flip-flop movement are reached boiler is added coal-fired purpose.In addition, the support bar that support is positioned under the coal bunker is provided with the bottom LOAD CELLS, such setting makes coal bunker possess the function of weighing, can when adding fire coal, be that the fire coal that is loaded carries out weighing for boiler, the interpolation of fire coal and the operation of weighing are merged, effectively saved the time; In like manner on the fixed pulley seat on the top of the trellis pressure transducer is set; rotating shaft place of rocking arm and coal bunker is provided with the pivot pin sensor, this pressure transducer and pivot pin sensor cooperate detection can prevent that coal bunker bottom LOAD CELLS when not exclusively putting down from can not accurately weigh the cheating of weight coal-fired in the coal bunker; And whole invention is the improvement to the coal bunker of existing discontinuous charging type coal-burning boiler, can make full use of existing coal bunker and equipment, has saved fund, has avoided unnecessary waste.
Further, the quantity of described rocking arm is two, and is symmetricly set on the both sides of coal bunker.In the support symmetria bilateralis two rocking arms are set and make better location and guiding to the lifting upset of coal bunker, can overcome the dislocation of coal bunker horizontal direction effectively.
Further, be provided with the reinforcement that is connected and fixed between described two rocking arms.Reinforcement is set eliminates two relative motions between rocking arm, keep the stable of coal bunker, also the accurate measuring accuracy of pivot pin sensor.
Further, the quantity of described bottom LOAD CELLS is 2.Connect a bottom LOAD CELLS and be arranged on the support bar of coal bunker bottom, the position when can the balance coal bunker landing is unlikely to occur the situation of unbalance.
Further, described pressure transducer is a S type pressure transducer.The pressure that S type pressure transducer can detect the free beam place delicately changes, and not exclusively puts down the cheating that coal bunker is just done the bottom weighing in the weighing process by cooperating to detect effectively to place with obliquity sensor and pivot pin sensor.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is the main TV structure synoptic diagram of coal-burning boiler freely-supported beam type metering coal bunker of the present invention;
Fig. 2 is the plan structure synoptic diagram of coal-burning boiler freely-supported beam type metering coal bunker of the present invention;
Embodiment
As Fig. 1, shown in Figure 2, a kind of coal-burning boiler freely-supported of the present invention beam type metering coal bunker, comprise that xsect is trapezoidal coal bunker 1, riveted joint has rotating rocking arm 2 in the left and right sides of coal bunker 1; other end of rocking arm 2 links to each other with support 3; rocking arm 2 can rotate around the rotary joint 6 with support 3 junctions; rocking arm 2 links to each other with wire sling 4 near an end of coal bunkers 1; other end of wire sling 4 is walked around the pulley that the free beam at support 3 tops goes out; described support 3 be positioned at support bar below coal bunker 1 side be provided with bottom LOAD CELLS 5; S type pressure transducer 8 is set on the free beam; rotating shaft place of rocking arm 2 and coal bunker 1 is provided with pivot pin sensor 7, and passes each sensor and all be connected with weighing control system.
The present invention realizes by following mode: fire coal is added within the coal bunker 1, general assembly (TW) coal-fired and coal bunker 1 can directly be measured by bottom LOAD CELLS 5, lift rocking arm 2 by wire sling 4; be rotating connector on the rocking arm 2 and between the coal bunker 1; thus restriction coal bunker 1 is that radius is done circular motion with rocking arm 2; and in the process that lifts coal bunker 1, coal bunker 1 can raise and overturn along with the traction and the restriction of rocking arm 2, and fire coal is poured in the boiler; Because rotating shaft place of rocking arm 2 and coal bunker 1 is provided with pivot pin sensor 7, on support 3 top free beams S type pressure transducer 8 is set, can detect the Gravity changer of coal bunker 1 under static and lifting state jointly, detection by pivot pin sensor 7 and S type pressure transducer 8 can prevent coal bunker 1 simple cheating that relies on bottom LOAD CELLS 5 weighings under the situation of not landing fully, also can detect the weight of the fire coal that is added more accurately.
Above-described only is preferred implementation of the present invention; should be understood that; for a person skilled in the art; under the prerequisite that does not break away from basis of the present invention; can also make some distortion and improvement; for example S type sensor can be replaced with pressure transducer, these also should be considered as protection scope of the present invention, and these can not influence effect of the invention process and practical applicability.
Claims (5)
1. coal-burning boiler metering and weighing device, comprise coal bunker that is provided with rotatable rocking arm and the support that is provided with the rotary joint that matches with rocking arm; rocking arm connects the fixed pulley of a top of the trellis by lifting rope; it is characterized in that: the support bar that is positioned under the coal bunker of described support is provided with the bottom LOAD CELLS; general assembly (TW) coal-fired and coal bunker is directly measured by the bottom LOAD CELLS; on the fixed pulley seat pressure transducer is set; rotating shaft place of rocking arm and coal bunker is provided with the pivot pin sensor, and each sensor is connected with weighing control system all.
2. coal-burning boiler metering and weighing device as claimed in claim 1 is characterized in that: the quantity of described rocking arm is two, and is symmetricly set on the both sides of coal bunker.
3. coal-burning boiler metering and weighing device as claimed in claim 2 is characterized in that: be provided with the reinforcement that is connected and fixed between described two rocking arms.
4. coal-burning boiler metering and weighing device as claimed in claim 1 is characterized in that: the quantity of described bottom LOAD CELLS is 2.
5. coal-burning boiler metering and weighing device as claimed in claim 1 is characterized in that: described pressure transducer is a S type pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010212025XA CN101907482B (en) | 2010-06-29 | 2010-06-29 | Coal-fired boiler metering and weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010212025XA CN101907482B (en) | 2010-06-29 | 2010-06-29 | Coal-fired boiler metering and weighing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101907482A CN101907482A (en) | 2010-12-08 |
| CN101907482B true CN101907482B (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010212025XA Expired - Fee Related CN101907482B (en) | 2010-06-29 | 2010-06-29 | Coal-fired boiler metering and weighing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN101907482B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907483B (en) * | 2010-06-29 | 2012-01-18 | 重庆大唐科技股份有限公司 | Dynamic weighing device for coal-fired boiler |
| CN102997985B (en) * | 2011-09-08 | 2015-06-24 | 烟台龙源电力技术股份有限公司 | Burden weighing device in vacuum furnace |
| CN103017879A (en) * | 2011-09-27 | 2013-04-03 | 保定市润利节能环保有限公司 | Metering method and device for fuel coal of boiler |
| CN106322425B (en) * | 2016-08-18 | 2018-05-08 | 卢锦福 | A kind of hardware makes and uses smelting furnace quantitative coal charging device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1506290A1 (en) * | 1987-12-28 | 1989-09-07 | Предприятие П/Я А-7690 | Weighing hopper |
| CN2165431Y (en) * | 1993-05-09 | 1994-05-18 | 浙江省传感器电子称重研究所 | Bulk grab bucket weighing head |
| CN2550735Y (en) * | 2002-06-19 | 2003-05-14 | 刘雪华 | Boiler coal consumption meter |
| CN201354031Y (en) * | 2009-01-23 | 2009-12-02 | 重庆大唐测控技术有限公司 | Dump truck weighing device |
| CN101907483A (en) * | 2010-06-29 | 2010-12-08 | 重庆大唐科技股份有限公司 | Dynamic weighing device for coal-fired boiler |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51134473U (en) * | 1975-04-21 | 1976-10-29 | ||
| CN201852634U (en) * | 2010-06-29 | 2011-06-01 | 重庆大唐科技股份有限公司 | Measuring and weighing device of coal burning boiler |
| CN201852633U (en) * | 2010-06-29 | 2011-06-01 | 重庆大唐科技股份有限公司 | Dynamic weighing device of coal-fired boiler |
-
2010
- 2010-06-29 CN CN201010212025XA patent/CN101907482B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1506290A1 (en) * | 1987-12-28 | 1989-09-07 | Предприятие П/Я А-7690 | Weighing hopper |
| CN2165431Y (en) * | 1993-05-09 | 1994-05-18 | 浙江省传感器电子称重研究所 | Bulk grab bucket weighing head |
| CN2550735Y (en) * | 2002-06-19 | 2003-05-14 | 刘雪华 | Boiler coal consumption meter |
| CN201354031Y (en) * | 2009-01-23 | 2009-12-02 | 重庆大唐测控技术有限公司 | Dump truck weighing device |
| CN101907483A (en) * | 2010-06-29 | 2010-12-08 | 重庆大唐科技股份有限公司 | Dynamic weighing device for coal-fired boiler |
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| Publication number | Publication date |
|---|---|
| CN101907482A (en) | 2010-12-08 |
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Denomination of invention: Coal-fired boiler metering and weighing device Effective date of registration: 20121017 Granted publication date: 20111005 Pledgee: Chongqing Sanxia bank Limited by Share Ltd New District Branch Pledgor: Chongqing Datang Technology Co., Ltd.|Chongqing Datang Control Technology Co., Ltd. Registration number: 2012990000610 |
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Date of cancellation: 20131025 Granted publication date: 20111005 Pledgee: Chongqing Sanxia bank Limited by Share Ltd New District Branch Pledgor: Chongqing Datang Technology Co., Ltd.|Chongqing Datang Control Technology Co., Ltd. Registration number: 2012990000610 |
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Denomination of invention: Coal-fired boiler metering and weighing device Effective date of registration: 20131025 Granted publication date: 20111005 Pledgee: Chongqing Sanxia bank Limited by Share Ltd New District Branch Pledgor: Chongqing Datang Technology Co., Ltd.|Chongqing Datang Control Technology Co., Ltd. Registration number: 2013990000789 |
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Date of cancellation: 20141118 Granted publication date: 20111005 Pledgee: Chongqing Sanxia bank Limited by Share Ltd New District Branch Pledgor: Chongqing Datang Technology Co., Ltd.|Chongqing Datang Control Technology Co., Ltd. Registration number: 2013990000789 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Coal-fired boiler metering and weighing device Effective date of registration: 20141119 Granted publication date: 20111005 Pledgee: Chongqing Sanxia bank Limited by Share Ltd New District Branch Pledgor: Chongqing Datang Technology Co., Ltd.|Chongqing Datang Control Technology Co., Ltd. Registration number: 2014990000959 |
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Date of cancellation: 20151130 Granted publication date: 20111005 Pledgee: Chongqing Sanxia bank Limited by Share Ltd New District Branch Pledgor: Chongqing Datang Technology Co., Ltd.|Chongqing Datang Control Technology Co., Ltd. Registration number: 2014990000959 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Coal-fired boiler metering and weighing device Effective date of registration: 20151208 Granted publication date: 20111005 Pledgee: Chongqing Sanxia bank Limited by Share Ltd New District Branch Pledgor: Chongqing Datang Technology Co., Ltd.|Chongqing Datang Control Technology Co., Ltd. Registration number: 2015990001078 |
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