CN103383111A - Quantitative coal feeding device of top combustion type kiln and coal feeding method thereof - Google Patents
Quantitative coal feeding device of top combustion type kiln and coal feeding method thereof Download PDFInfo
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- CN103383111A CN103383111A CN2013102607457A CN201310260745A CN103383111A CN 103383111 A CN103383111 A CN 103383111A CN 2013102607457 A CN2013102607457 A CN 2013102607457A CN 201310260745 A CN201310260745 A CN 201310260745A CN 103383111 A CN103383111 A CN 103383111A
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Abstract
The invention provides a quantitative coal feeding device of a top combustion type kiln and a coal feeding method thereof, which are efficient and environmental friendly and save energy. The quantitative coal feeding device of the top combustion type kiln comprises a coal conveying main pipe, wherein a coal inlet end of the coal conveying main pipe is hermetically connected with an overhead pulverized coal bunker; a coal conveying chain is arranged in the coal conveying main pipe; a drive sprocket and a jockey sprocket are arranged on the coal conveying chain respectively; a speed adjustable driving device is arranged on the drive sprocket; multiple quantification boxes are arranged below the coal conveying main pipe and are communicated with the coal conveying main pipe; multiple coal feeding holes are arranged in a bottom board of each quantification box; a coal feeding pipe is arranged at the lower part of each coal feeding hole; a pore plate valve is arranged above the bottom board of each quantification box; holes corresponding to the coal feeding holes in the bottom board of each quantification box are arranged in each pore plate valve; one end of each pore plate valve extends out of the quantification box to be connected with an air cylinder; each air cylinder is connected with an intelligent control device and a compressed gas pipeline via electromagnetic valves.
Description
Technical field
The present invention relates to a kind of coal feeder and coal supply method thereof, the quantitative coal feeder of especially a kind of top burner kiln and coal supply method thereof.
Background technology
In the production technology of the products such as brickmaking, pottery, sponge iron, reduction titanium, a large amount of stove (tunnel cave, annular kiln etc.) equipment that use, the fuel that at present domestic and international stove (tunnel cave, annular kiln etc.) uses is fuel oil, combustion gas (natural gas and producer gas etc.) and coal-fired three major types.Fuel oil and natural gas accumulating and burner in use have the specific safety requirement, and except specific condition, cost also can be higher than fire coal.So in case the environmental issue in the coal-fired use of solution, its result of use obviously is better than fuel oil and natural gas.The coal-fired environmental issue of using embodies a concentrated expression of the generation of flue dust, the discharging of pernicious gas and three aspects of processing of cinder.The coal-fired mode of stove is divided into coal fired stove, coal burning machine, producer gas and several modes of top combustion.And coal fired stove due to coal consumption the unfavorable factor such as high and seriously polluted seldom use.Although coal burning machine pollutes little, heat utilization efficiency is low; Although use producer gas to be conducive to environmental protection, very high to the ature of coal requirement, heat loss is large, and the production process safety requirements is high, and initial investment is large.The top ignition coal combustion technology, heat utilization efficiency is high, coal consumption is low, but at present take hand-stoked as main, also therefore occur seriously polluted, workman's working condition is poor, furnace temperature is also because the drawback such as manually-operated is unstable.
Summary of the invention
The invention provides a kind of quantitative coal feeder of top burner kiln and coal supply method thereof of efficient, energy-saving and environmental protection.
Realize the quantitative coal feeder of top burner kiln of one of the object of the invention, comprise defeated coal house steward, described defeated coal house steward's coal-feeding end is sealedly connected with high-order Pulverized Coal Bin, be provided with defeated coal chain in described defeated coal house steward, be respectively equipped with drive sprocket and jockey sprocket on described defeated coal chain, described drive sprocket is provided with speed-adjustable driving device;
Described defeated coal house steward below is provided with a plurality of quantitative boxes, described quantitative box communicates with defeated coal house steward, the base plate of described quantitative box is provided with a plurality of coal supplies holes, below, described coal supply hole is provided with coal-feeding tube, the base plate of described quantitative box top is provided with orifice valve, and described orifice valve is provided with the hole corresponding with base plate coal supply hole; One end of described orifice valve stretches out outside quantitative box and is connected with cylinder, and described cylinder is connected with the Compressed Gas pipeline with intelligence controlling device by magnetic valve.
Described cylinder is fixed on defeated coal house steward by fixed head.
The top of described orifice valve is provided with depression bar, and described depression bar is welded in quantitative box.
Described defeated coal house steward's coal-feeding end is inclined upwardly, and the angle of inclination is 0～18 degree.
Be provided with slotted hole between the top of described quantitative box and defeated coal house steward, the length of described slotted hole is 4/5 of quantitative box length.
Realize two the quantitative coal supply method of top burner kiln of the object of the invention, it is to carry continuously by defeated coal house steward with in the hermetic pipeline that quantitatively box forms at one that coal dust is carried, each quantitative box is installed a multiple-orifice valve, every hole correspondence in a coal-feeding tube through furnace, realize the switch of multiple-orifice valve by cylinder, the cylinder action is by the magnetic valve realization, and magnetic valve is controlled automatically by intelligence controlling device.
The beneficial effect of the quantitative coal feeder of top burner kiln of the present invention and coal supply method thereof is as follows:
The quantitative coal feeder of top burner kiln of the present invention and coal supply method thereof, hermetically sealed due to coal handling system and coal adding system, both solved pollution problem, also solved the poor problem of working condition, effect of coal saving ratio use coal burning machine etc. has reduced more than 60%, and having realized the stable control of furnace temperature, implementation procedure is efficient.
Description of drawings
Fig. 1 is the structural representation of the quantitative coal feeder of top burner kiln of the present invention.
Fig. 2 is the defeated coal house steward of the quantitative coal feeder of top burner kiln of the present invention and the structural representation of quantitative box.
The specific embodiment
As shown in Figure 1, 2, the quantitative coal feeder of top burner kiln of the present invention, comprise defeated coal house steward 1, described defeated coal house steward's 1 coal-feeding end is sealedly connected with high-order Pulverized Coal Bin 2, be provided with defeated coal chain 3 in described defeated coal house steward 1, be respectively equipped with drive sprocket 5 and jockey sprocket 6 on described defeated coal chain 3, described drive sprocket 5 is provided with speed-adjustable driving device 7;
Described defeated coal house steward 1 below is provided with a plurality of quantitative boxes 4, described quantitative box 4 communicates with defeated coal house steward 1, the base plate of described quantitative box 4 is provided with a plurality of coal supplies holes, below, described coal supply hole is provided with coal-feeding tube 9, the base plate of described quantitative box 4 top is provided with orifice valve 8, and described orifice valve 8 is provided with the hole corresponding with base plate coal supply hole; One end of described orifice valve 8 stretches out outside quantitative box 4 and is connected with cylinder 10, and described cylinder 10 is connected with Compressed Gas pipeline 14 with intelligence controlling device 13 by magnetic valve 11.
Described cylinder 10 is fixed on defeated coal house steward 1 by fixed head 12.
The top of described orifice valve 8 is provided with depression bar 15, and described depression bar 15 is welded in quantitative box 4.
Described defeated coal house steward's 1 coal-feeding end is inclined upwardly, and the angle of inclination is 0～18 degree.
Be provided with slotted hole between the top of described quantitative box 4 and defeated coal house steward 1, the length of described slotted hole is 4/5 of quantitative box 4 length.
The top of the present invention quantitative coal supply method of burner kiln is as follows:
Along the stove length direction, the length of coal section is according to actual needs determined defeated coal house steward's length, determines defeated coal house steward's diameter by the size of coal-feeding quantity.Broken good coal dust is put into high-order Pulverized Coal Bin by lifting means, and this storehouse feed opening is accessible identical with defeated coal house steward, and the air tight coal that do not leak is accomplished in interface gap continuous welding.Coal dust enters defeated coal house steward coal-feeding end, through defeated coal chain, coal dust is pulled to the other end by coal-feeding end along defeated coal house steward.Furnace pressure is that a side of malleation is coal-feeding end, and furnace pressure is a side of negative pressure, is coal exit, and the drive unit of defeated coal chain is arranged on coal exit.Smooth and easy for guaranteeing defeated coal process, higher than coal-feeding end, defeated coal house steward's inclination angle is at 0-18 ° at the height of coal-feeding end for defeated coal house steward, concrete angle depending on coal-feeding quantity size size, and inclination angle more high inclination-angle is larger, and vice versa.Speed-adjustable driving device drives defeated coal chain operation and regulates running speed, thereby controls the size of coal-feeding quantity.
Defeated coal house steward below is a plurality of quantitative boxes.Defeated coal house steward below has slotted hole with quantitative box junction, and the length in hole is 4/5 of quantitative box length, quantitatively box suitable for reading with the whole full welds in coal chute junction.By the coal dust that chain brings, coal dust flows into quantitative box by defeated coal house steward under action of gravitation, and after first quantitative box storage is full, fine coal enters second quantitative box under the drive of chain, by that analogy, until fill with last quantitative box.After quantitatively box is given and produced coal, can automatically fill with under the continuous conveying of chain.Quantitatively box has two effects, the one, be used to storing a certain amount of fine coal, the 2nd, due to the storage of coal and the effect of orifice valve, stoped the excessive of furnace gas, what both prevented flue dust need not discharging and thermal loss, has stoped again the temperature of the coal feeder that causes because flue gas is excessive to raise.As shown in the figure, quantitatively the box bottom is connected with coal-feeding tube, and orifice valve has been installed in the centre.When orifice valve was relative with the hole of quantitative box plate, coal dust flowed out, and sends in stove by coal-feeding tube.When the hole of orifice valve and base plate was staggered, fine coal was laid in quantitative box.For guaranteeing that the orifice valve horizontal direction moves, be provided with depression bar, depression bar passes and is welded on quantitative box, leaves gap in a small amount between the lower end of depression bar and orifice valve.
Magnetic valve is opened under the control of intelligence controlling device, and ejecting rod of cylinder is released, and drives the orifice valve action, and quantitative box floor openings is communicated with the hole of orifice valve, and coal dust flows out, and sends furnace roof to by coal-feeding tube.Pneumatic manifold and each cylinder are connected in parallel, and digital control system can adopt small PLC or single board computer, by setting actuation time, interval time etc., realize coal supply at regular time and quantity.Simultaneously, due to the quantitative sealing function of box, with furnace gas and atmosphere automatism isolation, realized that coal process smoke dust discharges, distributes without hot gas, pollution-free, environment temperature is low, and workman's work decrease has reached the purpose of energy-conserving and environment-protective.
Adopt the method for establishing the defeated coal of mobile slide fastener, the quantitative box coal supply of Based Intelligent Control in steel pipe coal supply in the stove, stove top stoke hole can not be communicated with atmosphere, thereby realized hermetically sealed conveying, hermetically sealed quantitative coal supply.Intelligent digital control device adopts single board computer or small PLC, by variablees such as programming in logic, software control coal supply time, coal supply interval time, each coal-supplying amounts, according to different atures of coal, realizes the purpose that the thermal efficiency is high.The noxious gas emission of coal is processed by another know-how.Therefore, realize the numerical control of top burner kiln, hermetically sealed quantitative coal supply, not only energy-conservation but also environmental protection is the effective ways of the problems such as fundamentally contaminated solution is heavy, the thermal efficiency is low, workman's working condition is poor, furnace temperature is unstable.
Embodiment recited above is described the preferred embodiment of the present invention; be not that scope of the present invention is limited; design under spiritual prerequisite not breaking away from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical solution of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (6)
1. quantitative coal feeder of top burner kiln, comprise defeated coal house steward, described defeated coal house steward's coal-feeding end is sealedly connected with high-order Pulverized Coal Bin, be provided with defeated coal chain in described defeated coal house steward, be respectively equipped with drive sprocket and jockey sprocket on described defeated coal chain, described drive sprocket is provided with speed-adjustable driving device;
Described defeated coal house steward below is provided with a plurality of quantitative boxes, described quantitative box communicates with defeated coal house steward, the base plate of described quantitative box is provided with a plurality of coal supplies holes, below, described coal supply hole is provided with coal-feeding tube, the base plate of described quantitative box top is provided with orifice valve, and described orifice valve is provided with the hole corresponding with base plate coal supply hole; One end of described orifice valve stretches out outside quantitative box and is connected with cylinder, and described cylinder is connected with the Compressed Gas pipeline with intelligence controlling device by magnetic valve.
2. the quantitative coal feeder of top burner kiln according to claim 1, it is characterized in that: described cylinder is fixed on defeated coal house steward by fixed head.
3. the quantitative coal feeder of top burner kiln according to claim 1, it is characterized in that: the top of described orifice valve is provided with depression bar, and described depression bar is welded in quantitative box.
4. according to claim 1～3 quantitative coal feeders of arbitrary described top burner kiln, it is characterized in that: described defeated coal house steward's coal-feeding end is inclined upwardly, and the angle of inclination is 0～18 degree.
5. according to claim 1～3 quantitative coal feeders of arbitrary described top burner kiln, it is characterized in that: be provided with slotted hole between the top of described quantitative box and defeated coal house steward, the length of described slotted hole is 4/5 of quantitative box length.
6. the coal supply method of the quantitative coal feeder of claim 1～6 described top burner kiln, it is to carry continuously by defeated coal house steward with in the hermetic pipeline that quantitatively box forms at one that coal dust is carried, each quantitative box is installed a multiple-orifice valve, every hole correspondence in a coal-feeding tube through furnace, realize the switch of multiple-orifice valve by cylinder, the cylinder action is by the magnetic valve realization, and magnetic valve is controlled automatically by intelligence controlling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310260745.7A CN103383111B (en) | 2013-06-27 | 2013-06-27 | Top combustion type kiln quantifies coal feeder and its gives coal method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310260745.7A CN103383111B (en) | 2013-06-27 | 2013-06-27 | Top combustion type kiln quantifies coal feeder and its gives coal method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103383111A true CN103383111A (en) | 2013-11-06 |
| CN103383111B CN103383111B (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310260745.7A Expired - Fee Related CN103383111B (en) | 2013-06-27 | 2013-06-27 | Top combustion type kiln quantifies coal feeder and its gives coal method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051807A (en) * | 2016-07-25 | 2016-10-26 | 无锡福镁轻合金科技有限公司 | Automatic coal filling device for combustion chamber of lead pig refining furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57184824A (en) * | 1981-05-11 | 1982-11-13 | Babcock Hitachi Kk | Feeding device of pulverized coal |
| AU2006310196B2 (en) * | 2005-10-31 | 2009-10-08 | Foster Wheeler Energy Corporation | On-line adjustable coal flow distributing device |
| CN201512276U (en) * | 2009-06-25 | 2010-06-23 | 营口大和衡器有限公司 | Rubber tape type coal feeder |
| CN202973143U (en) * | 2012-11-21 | 2013-06-05 | 山东科华重工科技有限公司 | Weighing type scraper coal feeder |
| CN203464314U (en) * | 2013-06-27 | 2014-03-05 | 邯郸县金滢选矿厂 | Quantitative coal feeding device of top combustion type kiln |
-
2013
- 2013-06-27 CN CN201310260745.7A patent/CN103383111B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57184824A (en) * | 1981-05-11 | 1982-11-13 | Babcock Hitachi Kk | Feeding device of pulverized coal |
| AU2006310196B2 (en) * | 2005-10-31 | 2009-10-08 | Foster Wheeler Energy Corporation | On-line adjustable coal flow distributing device |
| CN201512276U (en) * | 2009-06-25 | 2010-06-23 | 营口大和衡器有限公司 | Rubber tape type coal feeder |
| CN202973143U (en) * | 2012-11-21 | 2013-06-05 | 山东科华重工科技有限公司 | Weighing type scraper coal feeder |
| CN203464314U (en) * | 2013-06-27 | 2014-03-05 | 邯郸县金滢选矿厂 | Quantitative coal feeding device of top combustion type kiln |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051807A (en) * | 2016-07-25 | 2016-10-26 | 无锡福镁轻合金科技有限公司 | Automatic coal filling device for combustion chamber of lead pig refining furnace |
| CN106051807B (en) * | 2016-07-25 | 2018-04-20 | 无锡福镁轻合金科技有限公司 | A kind of automatic coal feeding device of lead refining furnace combustion chamber |
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| Publication number | Publication date |
|---|---|
| CN103383111B (en) | 2018-02-23 |
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