CN104759200A - Special pneumatic transportation integrated device for semi-dry desulfurization - Google Patents
Special pneumatic transportation integrated device for semi-dry desulfurization Download PDFInfo
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- CN104759200A CN104759200A CN201510152828.3A CN201510152828A CN104759200A CN 104759200 A CN104759200 A CN 104759200A CN 201510152828 A CN201510152828 A CN 201510152828A CN 104759200 A CN104759200 A CN 104759200A
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Abstract
The invention provides a special pneumatic transportation integrated device for semi-dry desulfurization, belonging to the environmental engineering field. The special pneumatic transportation integrated device for semi-dry desulfurization comprises a butterfly valve, a connecting part, a fork-shaped high-flow feeding machine, a Roots blower and an injection pump, wherein the fork-shaped high-flow feeding machine comprises a feeding hole, a barrel silo, a central shaft, an actuator, fork-shaped blades, solid plate blades and an outlet; 4-6 blades are arranged in the barrel silo, the fork-shaped blades and the solid plate blades are arranged alternatively; the feeding machine adopts the actuator to replace the traditional motor, the fork-shaped blades and the solid plate blades are in static state under a normal operation condition, the angle of the blade is required to be changed when the conveying volume of desulfurizing agents is required to be changed or the blockage phenomenon occurs, the energy consumption is saved, the transportation volume of the desulfurizing agents is improved greatly, high-flow feeding is realized, and the feeding amount can reach 50-180t/h; and the special pneumatic transportation integrated device for semi-dry desulfurization has the characteristics of low investment, small occupied area, simple equipment arrangement, low energy consumption, high feeding amount, and difficulty of blockage.
Description
Technical field
The present invention relates to field of environment engineering, refer to the special Geldart-D particle complexes of a kind of semi-dry desulphurization especially.
Background technology
Chinese Ministry of Environmental Protection " 12 " Plan total sulfur dioxide control objectives.By 2015, the total emission volumn of sulfur dioxide will reduce 10% than 2010.The annual emission reduction tasks that Chinese Ministry of Environmental Protection in 2015 determines is, compared with 2014, national SO2 emissions reduce 3%, and the first four years is compared therewith, during within 2015, will becoming " 12 ", and the time that emission reduction targets is the strictest.
Sulfur method conventional at present has wet method, semidry method and dry method.Semi-dry desulphurization due to simple to operate, be not easy corrosion, there is not desulfurization wastewater, and outlet dust concentration low, desulfurization degree advantages of higher apply by increasing enterprise.Ash-transmission system is the key equipment of semi-dry desulphurization, and the normal operation of ash-transmission system is the necessary condition ensureing desulfurizing tower desulfuration efficiency, and after ash-transmission system makes Geldart-D particle into by bucket elevator, batcher becomes the key in ash-transmission system key.
Revolving plow reclaimer common both at home and abroad at present, be generally 6 solid vane, feeding coal limits by wheel speed, the maximum (top) speed of impeller is limited to again frequency converter and speed reducer drive ratio, general maximum (top) speed can only reach 60r/min, therefore conventional impellers batcher is greatly limited on feeding coal, thus have impact on desulfuration efficiency.Moreover power of motor that common revolving plow reclaimer connects is at 1.5-3kw, consume energy high.Conventional impellers batcher is ceaselessly rotating due to impeller, therefore easily by relatively large desulfurizing agent or other foreign matters stuck.Current existing revolving plow reclaimer, as Chinese patent: ZL102502195A " a kind of revolving plow reclaimer "; CN103896027A " a kind of impeller material feeder "; ZL101830353A " a kind of device by horizontal impeller feeder conveying material ".The invention solves high, the easy blocking of energy consumption that above-mentioned patent exists, the problem that feeding coal is low.
Summary of the invention
The present invention is high in order to solve existing revolving plow reclaimer energy consumption, feeding coal is restricted, easy blocking, the high series of problems of trouble hunting rate, there is provided a kind of semi-dry desulphurization special Geldart-D particle complexes, this device comprises butterfly valve, connector, fork-shaped large discharge batcher, jet pump and roots blower, wherein, butterfly valve is arranged on the top of this device, be connected with desulfurizing tower feed bin, it has connector, connector connects butterfly valve and fork-shaped large discharge batcher, jet pump is arranged on this device bottom, be connected with fork-shaped large discharge batcher, jet pump side connects roots blower, jet pump conveying capacity is 40-120t/h, according to the jet pump of the different conveying capacity scope of the different choice of exhaust gas volumn and sulfur content, the present invention has special design in the conveying capacity of jet pump, to meet and the mating and ensure desulfuration efficiency of batcher, roots blower power is 15-55kw, roots blower is not only desulfurizing agent and provides transmitting power, also play the effect that desulfurizing agent is even fluidizing, make desulfurizing agent mobility stronger, desulfuration efficiency is higher, the present invention has special requirement on roots blower power, at utmost energy-conservation basis, meets desulfurizing agent fluidisation and ensures the unobstructed conveying of desulfurizing agent.
Fork-shaped large discharge batcher is the key component of apparatus of the present invention, comprises material inlet, silo, axis, actuator, fork-shaped blade, solid slab blade and outlet;
Material inlet is arranged on fork-shaped large discharge batcher topmost, shape is circular, diameter is 200-600mm, desulfurizing agent enters fork-shaped large discharge batcher by material inlet, machine simulation and repetition test find that circular material inlet is more easily connected with other positions as calculated, and do not hide grey dead angle, be easy to cleaning, failure rate is low;
Axis is arranged on silo middle position, silo is column type, diameter is 200-600mm, height is 200-600mm, axis is connected with actuator, actuator is arranged on silo outside, power is 100-400w, actuator provides control for the switch of solid slab blade and fork-shaped blade, the present invention has special design on the power of each parts, to meet feeding coal and to ensure desulfuration efficiency, common batcher improves feeding coal by the increase of wheel speed, feeding coal is subject to great restriction, the present invention designs feeding coal and improves 1.5-3 doubly than common batcher feeding coal, 50-150t/h can be reached, not only ensure that desulfuration efficiency, also effectively reduce system energy consumption, be only the 3%-15% of common batcher energy consumption,
Fork-shaped blades installation is on the inner axis of silo, and fork-shaped blade has 2-3, and be semicircle, diameter is 200-600mm, and space width is 10-40mm, and number of teeth amount is 5-60.Fork-shaped direction blade changes between 0-180 °, can according to the granular size of desulfurizing agent, amount of sulfur contenting in smoke, and outlet sulfur dioxide concentration control etc. because of the angle of usually control fork shape blade, thus reach the desulfurized effect of the best.When there is desulfurizing agent plugging fault, only blocking portion easily can need be discharged batcher by fork-shaped direction blade half-twist, not affecting the normal operation of batcher completely, thus ensure that outlet sulfur dioxide concentration remains within the limits prescribed.The present invention has special design in the quantity of each parts, controls to meet desulfurizing agent conveying capacity and ensures desulfuration efficiency.The quantity of fork-shaped blade and tooth well can ensure desulfuration efficiency in above-mentioned scope.
Solid slab blades installation is on the inner axis of silo, and solid slab blade has 2-3, and be semicircle, diameter is 200-600mm.The design of solid slab blade is used for sealing material when meeting the system failure.The present invention adopts the installation alternate with solid slab blade of fork-shaped blade, in fork-shaped large discharge batcher normal work period, and when not changing desulfurization dosage and blocking does not occur, blade remains static all the time, energy consumption reduces greatly, is only about the 3%-15% of traditional energy consumption;
Outlet is arranged on fork-shaped large discharge batcher bottom, and shape is circular, and diameter is 200-600mm, and machine simulation and repetition test find that circular outlet is more easily connected with other parts as calculated, and do not hide grey dead angle, are easy to cleaning, failure rate is low.
The beneficial effect of technique scheme of the present invention is as follows:
The key component feeding system of apparatus of the present invention adopts fork-shaped large discharge batcher, fork-shaped large discharge batcher adopts the design of fork-shaped blade installation alternate with solid slab blade, and the switch of blade is controlled by actuator, blade remains static in normal state, more than design high degree and reduce energy consumption, and ensure that feeding coal is far longer than common batcher, feeding coal can reach 50-180t/h, it is 1.5-3 times of common batcher, reduce batcher plugging rate, high degree ensure that desulfuration efficiency.This apparatus cost is low, and energy consumption is low, decreases operating cost, at utmost can improve feeding coal, avoids the situation that blade is stuck, and meets the demand of desulfurization.
Accompanying drawing explanation
Fig. 1 is semi-dry desulphurization of the present invention special Geldart-D particle complexes structural representations;
Fig. 2 is the fork-shaped large discharge batcher structural representation in the special Geldart-D particle complexes of semi-dry desulphurization of the present invention;
Fig. 3 is the fork-shaped blade of the special Geldart-D particle complexes of semi-dry desulphurization of the present invention and the structural representation of solid slab blade.
Wherein: 1-butterfly valve; 2-connector; 3-fork-shaped large discharge batcher; 4-jet pump; 5-roots blower; 6-batcher; 7-silo; 8-axis; 9-actuator; 10-fork-shaped blade; 11-solid slab blade; 12-exports.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The present invention is directed to that existing revolving plow reclaimer energy consumption is high, feeding coal is restricted, easy blocking, the high series of problems of trouble hunting rate, provide a kind of semi-dry desulphurization special Geldart-D particle complexes.
As shown in Figure 1, for the structural representation of this device, butterfly valve 1 is arranged on the top of this device, it has connector 2, connector 2 connects butterfly valve 1 and fork-shaped large discharge batcher 3, jet pump 4 is arranged on this device bottom, is connected with fork-shaped large discharge batcher 3, and jet pump 4 side connects roots blower 5, be the structural representation of this device fork-shaped large discharge batcher and the structural representation of fork-shaped blade and solid slab blade as shown in Figures 2 and 3, fork-shaped large discharge batcher 3 comprises material inlet 6, silo 7, axis 8, actuator 9, fork-shaped blade 10, solid slab blade 11 and outlet 12, material inlet 6 is arranged on fork-shaped large discharge batcher 3 topmost, axis 8 is arranged on silo 7 middle position, axis 8 is connected with actuator 9, it is outside that actuator 9 is arranged on silo 7, fork-shaped blade 10 is arranged on the inner axis 8 of silo 7, solid slab blade 11 is arranged on the inner axis 8 of silo 7, solid slab blade 11 installation alternate with fork-shaped blade 10, outlet 12 is arranged on fork-shaped large discharge batcher 3 bottom.
This device adopts fork-shaped large discharge batcher 3 to replace traditional batcher, fork-shaped large discharge batcher 3 be fork-shaped blade 10 and solid slab blade 11 alternately, and replace common electric machine with actuator 9, blade remains static under normal operation, the size of desulfurizing agent quantity delivered is regulated with the angle of axis 8 by regulating fork-shaped blade 10, only have when system occurs abnormal, or when having dust stratification or stopping state to occur, just need moving blade, the foreign matter of dust stratification or blocking is directly got rid of batcher.
In the course of the work, design circular material inlet 6 diameter 400mm, column type silo 7 diameter 400mm, high 300mm, actuator 9 power adopts 200w, semicircle fork-shaped blade 10 quantity 2, diameter 300mm, space width 30mm, number of teeth amount 10, semicircle solid slab blade 11 quantity 2, diameter 300mm, round exit 12 diameter 400mm.Desulfurizing agent in circulating ash feed bin at the bottom of raw material cabin or desulfurizing tower is by butterfly valve 1, connector 2 enters in fork-shaped large discharge batcher 3, butterfly valve 1 is for controlling the desulfurization dosage entering fork-shaped large discharge batcher 3, and use during trouble hunting, connector 2 is for coupling together butterfly valve 1 and fork-shaped large discharge batcher 3, play the effect of seamless installation, avoid desulfurizer powder to enter in desulphurization system external environment.Desulfurizing agent is in fork-shaped large discharge batcher 3, first pass through from material inlet 6, then directly drop between fork-shaped blade 10 and solid slab blade 11, desulfurizing agent passes through from the slot of fork-shaped blade 10, fork-shaped large discharge batcher 3 is discharged from outlet 12, then enter in jet pump 4, roots blower 5 for jet pump 4 provide conveying desulfurizing agent power, pressure increase when desulfurizing agent passes through in jet pump 4, uniformity improves, thus ensure that the amount of desulfurizing agent in desulfurizing tower and effectively improve desulfuration efficiency.Desulfurizing agent from jet pump 4 out after directly enter desulfurizing tower and carry out desulfurization, a desulfurizing agent part after desulfurization is arranged outward, and another part enters in circulating ash feed bin at the bottom of desulfurizing tower, then again by butterfly valve 1, connector 2 enters in fork-shaped large discharge batcher 3, carries out the circulation of a new round.
The present invention's design not only achieves large discharge feed, and feeding coal can reach 50-180t/h, and be 1.5-3 times of common batcher, also save the energy to the full extent, energy resource consumption is only the 3%-15% of traditional batcher.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. the special Geldart-D particle complexes of semi-dry desulphurization, it is characterized in that: this device comprises butterfly valve (1), connector (2), fork-shaped large discharge batcher (3), jet pump (4) and roots blower (5), wherein, butterfly valve (1) is arranged on the top of this device, it has connector (2), connector (2) connects butterfly valve (1) and fork-shaped large discharge batcher (3), jet pump (4) is arranged on this device bottom, be connected with fork-shaped large discharge batcher (3), jet pump (4) side connects roots blower (5), fork-shaped large discharge batcher (3) comprises material inlet (6), silo (7), axis (8), actuator (9), fork-shaped blade (10), solid slab blade (11) and outlet (12), material inlet (6) is arranged on fork-shaped large discharge batcher (3) topmost, axis (8) is arranged on silo (7) middle position, axis (8) is connected with actuator (9), it is outside that actuator (9) is arranged on silo (7), fork-shaped blade (10) is arranged on silo (7) inner axis (8), solid slab blade (11) is arranged on silo (7) inner axis (8), solid slab blade (11) and fork-shaped blade (10) alternate installation, outlet (12) is arranged on fork-shaped large discharge batcher (3) bottom.
2. the special Geldart-D particle complexes of a kind of semi-dry desulphurization according to claim 1, it is characterized in that: described material inlet (6) is for circular, diameter is 200-600mm, and desulfurizing agent enters fork-shaped large discharge batcher (3) by material inlet (6).
3. the special Geldart-D particle complexes of a kind of semi-dry desulphurization according to claim 1, it is characterized in that: described silo (7) is column type, diameter is 200-600mm, and height is 200-600mm.
4. the special Geldart-D particle complexes of a kind of semi-dry desulphurization according to claim 1, it is characterized in that: described actuator (9) provides switch control rule for solid slab blade (11) and fork-shaped blade (10), and actuator (9) power is 100-400w.
5. the special Geldart-D particle complexes of a kind of semi-dry desulphurization according to claim 1, it is characterized in that: described fork-shaped blade (10) quantity is 2-3, and be semicircle, diameter is 200-600mm, space width is 10-40mm, and number of teeth amount is 5-60.
6. the special Geldart-D particle complexes of a kind of semi-dry desulphurization according to claim 1, is characterized in that: described solid slab blade (11) quantity is 2-3, and be semicircle, diameter is 200-600mm.
7. the special Geldart-D particle complexes of a kind of semi-dry desulphurization according to claim 1, is characterized in that: described outlet (12) is for circular, and diameter is 200-600mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510152828.3A CN104759200B (en) | 2015-04-01 | 2015-04-01 | Special pneumatic transportation integrated device for semi-dry desulfurization |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510152828.3A CN104759200B (en) | 2015-04-01 | 2015-04-01 | Special pneumatic transportation integrated device for semi-dry desulfurization |
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| CN104759200B CN104759200B (en) | 2017-01-11 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314430A (en) * | 2007-06-01 | 2008-12-03 | 钱尧翎 | Blade wheel feeder |
| CN101475089A (en) * | 2009-01-09 | 2009-07-08 | 王保良 | Unpowered straight-through lattice wheel type feed and discharge device |
| WO2013165933A1 (en) * | 2012-04-30 | 2013-11-07 | R.A. Jones & Co. Inc. | Asymmetric article handling and orientation |
| CN103863770A (en) * | 2012-12-13 | 2014-06-18 | 哈尔滨弘泰电力设备有限公司 | Triangular rotor |
| CN204543979U (en) * | 2015-04-01 | 2015-08-12 | 北京科技大学 | The special Geldart-D particle complexes of a kind of semi-dry desulphurization |
-
2015
- 2015-04-01 CN CN201510152828.3A patent/CN104759200B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314430A (en) * | 2007-06-01 | 2008-12-03 | 钱尧翎 | Blade wheel feeder |
| CN101475089A (en) * | 2009-01-09 | 2009-07-08 | 王保良 | Unpowered straight-through lattice wheel type feed and discharge device |
| WO2013165933A1 (en) * | 2012-04-30 | 2013-11-07 | R.A. Jones & Co. Inc. | Asymmetric article handling and orientation |
| CN103863770A (en) * | 2012-12-13 | 2014-06-18 | 哈尔滨弘泰电力设备有限公司 | Triangular rotor |
| CN204543979U (en) * | 2015-04-01 | 2015-08-12 | 北京科技大学 | The special Geldart-D particle complexes of a kind of semi-dry desulphurization |
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| CN104759200B (en) | 2017-01-11 |
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Effective date of registration: 20201217 Address after: 100083 No. 30, Haidian District, Beijing, Xueyuan Road Patentee after: University OF SCIENCE AND TECHNOLOGY BEIJING Patentee after: Tianjin Beike Environmental Technology Co.,Ltd. Address before: 100083 No. 30, Haidian District, Beijing, Xueyuan Road Patentee before: University OF SCIENCE AND TECHNOLOGY BEIJING Patentee before: BEIJING ZHIRONG TIANHE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20221101 Address after: 300380 Building A1 - 012, No. 6, Jinjing Road, Xiyingmen Street, Xiqing District, Tianjin Patentee after: Tianjin Beike Environmental Technology Co.,Ltd. Patentee after: BEIJING BEIKE ENVIRONMENTAL ENGINEERING CO.,LTD. Address before: 100083 No. 30, Haidian District, Beijing, Xueyuan Road Patentee before: University OF SCIENCE AND TECHNOLOGY BEIJING Patentee before: Tianjin Beike Environmental Technology Co.,Ltd. |
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