CN204739773U - Can improve hot -blast furnace of coal -fired utilization ratio - Google Patents
Can improve hot -blast furnace of coal -fired utilization ratio Download PDFInfo
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- CN204739773U CN204739773U CN201520383625.0U CN201520383625U CN204739773U CN 204739773 U CN204739773 U CN 204739773U CN 201520383625 U CN201520383625 U CN 201520383625U CN 204739773 U CN204739773 U CN 204739773U
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Abstract
The utility model discloses a can improve hot -blast furnace of coal -fired utilization ratio, including the boiler body, be provided with traveling grate stoker below the boiler body, traveling grate stoker includes into coal scuttle, is provided with refining mechanism in advancing the coal scuttle, refining mechanism includes the spiral roller, one end of the support rack is hinged at the support, the micromotor, a variable frequency motor, pricketr and refining fill, the inside top of coal scuttle is being entered to horizontal setting of spiral roller, inverter motor is located the into coal scuttle outside, the input shaft of spiral roller stretches out and is connected in advancing the output shaft of coal scuttle with inverter motor, the inside spiral roller below that just is located of coal scuttle is being entered in the support frame setting, be provided with a plurality of support bar in the middle part of the support frame, the micromotor sets up on the support bar, the pricketr upper end is passed the support bar and is connected with the micromotor, the refining is fought to set up and is being entered the inside pricketr lower part that just is located of coal scuttle. The utility model discloses a regulation can be controlled as required to the coal volume, makes to fall into the even unanimity of thickness of coal seam on the flat link chain, makes the coal seam get abundant burning, has improved coal -fired utilization ratio.
Description
Technical field
The utility model relates to a kind of heater, especially can improve the hot-blast stove of utilization rate of coal.
Background technology
Mei Shi China main energy sources, accounts for more than 70% of the disposable total energy consumption of China, the Industrial Boiler about 50.4 ten thousand during current China uses, and the annual raw coal that consumes accounts for 1/3rd of gross annual output amount.In today that non-renewable energy resources day is becoming tight, economizing on coal consumption reduction has become the key subjects that boiler industry faces, and along with the enhancing of environmental protection consciousness, decreasing pollution, to reduce soot emissions extremely urgent.
Traditional boiler major part is II class of burning, III class bituminous coal design, this kind of boiler is to the bad adaptability of coal, and be main for the coal of supplying combustion of industrial boiler mainly with the very low II class anthracite of volatility and the very poor I class bituminous coal of ature of coal, add China's coal and ature of coal is numerous and diverse changeable, mixed coal, colm, adulterated coal flood market, and these reasons result in that conventional boiler undercapacity, the thermal efficiency are low, the phenomenon of waste fuel.
And traditional boiler ubiquity two large problems: one, energy utilization rate is low, waste is serious, particularly medium small boiler, and evenly heat efficiency only has about 50%, because this kind of boiler quantity is large, so the energy resource consumption caused is very big; Its two, discharge exceeds standard, environmental pollution is serious, directly affects human health and sustainable economic development.Due to traditional bad control of boiler coal input quantity, cause the coal seam that falls on chain not in uneven thickness, and chain ceaselessly transports backward, therefore there will be blocked up place, coal seam, also to have little time Thorough combustion just cleaned, it's the end cause to past the utilization rate of coal, therefore cause the situation that coal combustion is insufficient, boiler slag carbon content is high, discharge exceeds standard.
Utility model content
The purpose of this utility model is, for above-mentioned the deficiencies in the prior art, provides a kind of hot-blast stove improving utilization rate of coal.
The technical scheme that the hot-blast stove that the utility model can improve utilization rate of coal adopts is as follows:
The utility model can improve the hot-blast stove of utilization rate of coal, comprise boiler body, traveling-grate stoker is provided with below boiler body, described boiler body comprises burner hearth, secondary air inlet, deflection plate, drainage plate and discharge pipe, burner hearth is arranged in boiler body, and secondary air inlet is arranged on lower furnace portion, and deflection plate is horizontally installed on burner hearth rear portion, drainage plate is vertically arranged on deflection plate front upper, and discharge pipe is arranged on burner hearth rear portion, described traveling-grate stoker comprises coal feeding bucket, fire grate room and traveling-grate stoker mechanism, and coal feeding bucket is arranged on fire grate room front upper, and traveling-grate stoker organization establishes is in fire grate chamber interior, described traveling-grate stoker mechanism comprises driving shaft, driven shaft, plate chain, slag trap, slag notch and several bellows, it is anterior that driving shaft is arranged on fire grate room, driven shaft is arranged on rear portion, fire grate room, plate chain is wrapped on driving shaft and driven shaft, several bellows to be evenly arranged between driving shaft and driven shaft and to be positioned at inside plate chain, slag trap is arranged on plate chain rear outside, and slag notch is arranged on rear portion, fire grate room, foodstuff refiner is provided with in coal feeding bucket, described foodstuff refiner comprises propellers, bracing frame, micro machine, variable-frequency motor, pricketr and refining bucket, propellers are horizontally installed on coal feeding bucket inner upper, variable-frequency motor is positioned at outside coal feeding bucket, the power shaft of propellers stretches out in coal feeding bucket and is connected with the output shaft of variable-frequency motor, bracing frame is arranged on coal feeding bucket inside and is positioned at below propellers, several support bars are provided with in the middle part of bracing frame, micro machine is arranged on support bar, pricketr upper end is connected with micro machine through support bar, refining bucket is arranged on coal feeding bucket inside and is positioned at pricketr bottom, described pricketr comprises rotary supporting rod, rotary supporting rod lower annular array is provided with multiple support bar, between adjacent two support bars, be provided with connecting rod, is provided with a vulcanite scraper head in each support bar front end, described vulcanite scraper head is that axle center is rotated in a clockwise direction and is obliquely installed with rotary supporting rod, and the angle of inclination between described vulcanite scraper head and support bar is 100 ~ 160 degree.
Boiler body is as the combustion chamber of hot-blast stove can improving utilization rate of coal, and fire coal is transported in boiler body and burns by traveling-grate stoker.By boiler body is arranged to comprise burner hearth, secondary air inlet, deflection plate, the version of drainage plate and discharge pipe, secondary air inlet plays the air-breathing effect of conveying, the heat that the fire coal that traveling-grate stoker burns discharges carries out baffling guiding by deflection plate, the high-temperature flue gas at burner hearth rear portion is pushed to furnace front help to catch fire, and high-temperature flue gas can be made to carry out disturbance, stop, to increase fire box temperature, make burning more abundant, thoroughly, deflection plate guides through the distinguished and admirable of baffling again, upper furnace is guided to by distinguished and admirable, to send mouth from discharge pipe smoothly.
By being arranged to traveling-grate stoker to comprise the version of coal feeding bucket, fire grate room and traveling-grate stoker mechanism, coal-firedly dropping into from coal feeding bucket the traveling-grate stoker mechanism being positioned at fire grate indoor and carries out burning and also carry backward.
By becoming to comprise the version of driving shaft, driven shaft, plate chain, slag trap, slag notch and bellows by traveling-grate stoker organization establishes, plate chain is driven to rotate when driving shaft rotates, the driven shaft synchronous axial system that the synchronous drive that plate chain rotates is connected with the plate chain other end, thus the fire coal on plate chain is carried, bellows provide air for traveling-grate stoker mechanism, play combustion-supporting effect, slag trap is cleared up the upper coal-fired slag being transported to plate chain afterbody, so that it is coal-fired that plate chain continues transport, the coal-fired slag after cleaning is cleared up away from slag notch.
By arranging foodstuff refiner in coal feeding bucket, foodstuff refiner is used for controlling coal input quantity, makes the coal amount that falls on plate chain even.By foodstuff refiner being arranged to the version comprising propellers, bracing frame, micro machine, variable-frequency motor, pricketr and refining bucket, fire coal is first fallen on propellers, propellers are undertaken rotating conveying by variable-frequency motor can be stopped the excessive coal amount that enters on the one hand, can prevent on the other hand fire coal to enter in coal feeding bucket because coal feeding bucket space is narrow, cause coal-firedly occurring in the situation of coal feeding bucket internal congestion.Because the fire coal fallen from propellers can exist coal cinder excessive obstruction refining bucket, coal-fired situation about not easily falling being occurred, can loosen to coal cinder by arranging pricketr, coal cinder is produced coal smoothness.By arrange refining bucket can make to produce coal formation one rule parallel hold together shape, there is gap between every bar holds together, make coal-fired contact with air more fully like this, improve the utilization rate of fire coal.
By pricketr being arranged to the version comprising rotary supporting rod, support bar and connecting rod, support bar and connecting rod synchronous axial system is driven when rotary supporting rod rotates, thus drive the vulcanite scraper head being positioned at support bar front end to rotate, vulcanite scraper head can be cleaned out the sizing ickings on refining bucket inwall, allow coal-fired at smooth internal motion, such refining bucket inside does not just have sizing ickings, thus its service life is extended.
As preferred version of the present utility model, refining bucket inwall is provided with drainage rib.
As preferred version of the present utility model, coal feeding bucket bottom is provided with coal seam governor motion, described coal seam governor motion comprises controllable register and adjusting rod, controllable register is hinged on coal feeding bucket lower rearward side, fire grate room is provided with the through hole passed for adjusting rod, adjusting rod front end is fixedly connected with controllable register through through hole, adjusting rod rear end is provided with handle, the shaft of adjusting rod is evenly provided with some groups of restriction protrusion, adjusting rod is equipped with limited location snap ring, limited location snap ring inner surface contacts with fire grate chamber outer wall, limited location snap ring outer surface and restriction protrusion offset.
By arranging coal seam governor motion in coal feeding bucket bottom, coal seam governor motion can carry out regulable control to the coal seam thickness fallen on plate chain, makes fired coal combustion abundant.By coal seam governor motion is arranged to the version comprising controllable register and adjusting rod, controllable register drives the hinge angle of controllable register by adjusting rod, thus the height controlled to adjust between baffle plate and plate chain and then the coal seam thickness adjusted on plate chain.Often group restriction protrusion on the shaft of adjusting rod all represents one and regulates height, is highly fixed the locking of restriction protrusion by limited location snap ring to adjustment.
As preferred version of the present utility model, described deflection plate is waveform deflection plate.
As preferred version of the present utility model, deflection plate is provided with composite heat storage and heats radiating layer.Composite heat storage heats radiating layer and has high-fire resistance, the highest can the high temperature of resistance to thousands of degree, when can improve the hot-blast stove work of utilization rate of coal, the temperature after the accumulation of heat of high-temperature composite material coating, higher than body of heater material, can produce strong heat radiation to new coal-fired layer.
In sum, the advantage that the utility model can improve the hot-blast stove of utilization rate of coal is, enter coal even, coal amount can control to adjust as required, make the coal seam thickness uniformity fallen on plate chain, make coal seam obtain Thorough combustion, improve coal-fired utilization rate, reduce boiler slag carbon content, make discharge meet national standard.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model can improve the hot-blast stove of utilization rate of coal.
Fig. 2 is the A portion enlarged drawing that the utility model can improve Fig. 1 of the hot-blast stove of utilization rate of coal.
Fig. 3 is the structural representation that the utility model can improve the foodstuff refiner of the hot-blast stove of utilization rate of coal.
Fig. 4 is the structural representation that the utility model can improve the pricketr in the foodstuff refiner of the hot-blast stove of utilization rate of coal.
Detailed description of the invention
As shown in drawings, the utility model can improve the hot-blast stove of utilization rate of coal, comprise boiler body, below boiler body, be provided with traveling-grate stoker, described boiler body comprises burner hearth 1, secondary air inlet 2, deflection plate 3, drainage plate 4 and discharge pipe 5, and burner hearth 1 is arranged in boiler body, secondary air inlet 2 is arranged on burner hearth 1 bottom, deflection plate 3 is horizontally installed on burner hearth 1 rear portion, and drainage plate 4 is vertically arranged on deflection plate 3 front upper, and discharge pipe 5 is arranged on burner hearth 1 rear portion; Described traveling-grate stoker comprises coal feeding bucket 6, fire grate room 7 and traveling-grate stoker mechanism, and coal feeding bucket 6 is arranged on fire grate room 7 front upper, and traveling-grate stoker organization establishes is inner in fire grate room 7; Described traveling-grate stoker mechanism comprises driving shaft 8, driven shaft 9, plate chain 10, slag trap 11, slag notch 12 and several bellows 13, it is anterior that driving shaft 8 is arranged on fire grate room 7, driven shaft 9 is arranged on rear portion, fire grate room 7, plate chain 10 is wrapped on driving shaft 8 and driven shaft 9, several bellows 13 to be evenly arranged between driving shaft 8 and driven shaft 9 and to be positioned at inside plate chain 10, slag trap 11 is arranged on plate chain 10 rear outside, and slag notch 12 is arranged on rear portion, fire grate room 7.
Boiler body is as the combustion chamber of hot-blast stove can improving utilization rate of coal, and fire coal is transported in boiler body and burns by traveling-grate stoker.By boiler body being arranged to comprise burner hearth 1, secondary air inlet 2, deflection plate 3, the version of drainage plate 4 and discharge pipe 5, secondary air inlet 2 plays the air-breathing effect of conveying, the heat that the fire coal that traveling-grate stoker burns discharges carries out baffling guiding by deflection plate 3, the high-temperature flue gas at burner hearth 1 rear portion is pushed to burner hearth 1 front portion help to catch fire, and high-temperature flue gas can be made to carry out disturbance, stop, to increase burner hearth 1 temperature, make burning more abundant, thoroughly, drainage plate 4 guides through the distinguished and admirable of baffling again, burner hearth 1 top is guided to by distinguished and admirable, to send mouth from discharge pipe 5 smoothly.Described deflection plate 3 can be plate shaped can be also waveform deflection plate, and the baffling better effects if of waveform deflection plate, deflection plate 3 is preferably provided with composite heat storage and heats radiating layer.Composite heat storage heats radiating layer and has high-fire resistance, the highest can the high temperature of resistance to thousands of degree, when can improve the hot-blast stove work of utilization rate of coal, the temperature after the accumulation of heat of high-temperature composite material coating, higher than body of heater material, can produce strong heat radiation to new coal-fired layer.
By being arranged to traveling-grate stoker to comprise the version of coal feeding bucket 6, fire grate room 7 and traveling-grate stoker mechanism, coal-firedly dropping into from coal feeding bucket 6 the traveling-grate stoker mechanism being positioned at fire grate room 7 and carries out burning and also carry backward.
By traveling-grate stoker organization establishes is become to comprise driving shaft 8, driven shaft 9, plate chain 10, slag trap 11, the version of slag notch 12 and bellows 13, plate chain 10 is driven to rotate when driving shaft 8 rotates, driven shaft 9 synchronous axial system that the synchronous drive that plate chain 10 rotates is connected with plate chain 10 other end, thus the fire coal on plate chain 10 is carried, bellows 13 provide air for traveling-grate stoker mechanism, play combustion-supporting effect, slag trap 11 is cleared up the upper coal-fired slag being transported to plate chain 10 afterbody, so that it is coal-fired that plate chain continues transport, coal-fired slag after cleaning is cleared up away from slag notch 12.
Foodstuff refiner is provided with in coal feeding bucket 6, described foodstuff refiner comprises propellers 14, bracing frame 15, micro machine 16, variable-frequency motor 17, pricketr and refining bucket 18, propellers 14 are horizontally installed on coal feeding bucket 6 inner upper, variable-frequency motor 17 is positioned at outside coal feeding bucket 6, the power shaft of propellers 14 stretches out in coal feeding bucket and is connected with the output shaft of variable-frequency motor 17, bracing frame 15 is arranged on coal feeding bucket 6 inside and is positioned at below propellers 14, several support bars are provided with in the middle part of bracing frame 15, micro machine 16 is arranged on support bar, pricketr upper end is connected with micro machine 16 through support bar, refining bucket 18 is arranged on coal feeding bucket 6 inside and is positioned at pricketr bottom, described pricketr comprises rotary supporting rod 19, rotary supporting rod 19 lower annular array is provided with multiple support bar 21, between adjacent two support bars 21, be provided with connecting rod 20, is provided with a vulcanite scraper head 22 in each support bar 21 front end.Described vulcanite scraper head 22 is obliquely installed for axle center is rotated in a clockwise direction with rotary supporting rod 20, and the angle of inclination between vulcanite scraper head 22 and support bar 21 is 100 ~ 160 degree.
By arranging foodstuff refiner in coal feeding bucket 6, foodstuff refiner is used for controlling coal input quantity, makes the coal amount that falls on plate chain 10 even.By foodstuff refiner being arranged to the version comprising propellers 14, bracing frame 15, micro machine 16, variable-frequency motor 17, pricketr and refining bucket 18, fire coal is first fallen on propellers 14, propellers 14 are undertaken rotating conveying by variable-frequency motor 17 can be stopped the excessive coal amount that enters on the one hand, can prevent on the other hand fire coal to enter in coal feeding bucket 6 because coal feeding bucket space is narrow, cause coal-firedly occurring in the situation of coal feeding bucket internal congestion.Because the fire coal fallen from propellers 14 can exist coal cinder excessive obstruction refining bucket 18, coal-fired situation about not easily falling being occurred, can loosen to coal cinder by arranging pricketr, coal cinder is produced coal smoothness.By arrange refining bucket 18 can make to produce coal formation one rule parallel hold together shape, there is gap between every bar holds together, make coal-fired contact with air more fully like this, improve the utilization rate of fire coal.By pricketr being arranged to the version comprising rotary supporting rod 19, support bar 21 and connecting rod 20, support bar 21 and connecting rod 20 synchronous axial system is driven when rotary supporting rod 19 rotates, thus drive the vulcanite scraper head 22 being positioned at support bar 21 front end to rotate, vulcanite scraper head 22 can be cleaned out the sizing ickings on refining bucket 18 inwall, allow coal-fired at smooth internal motion, such refining bucket 18 inside does not just have sizing ickings, thus its service life is extended, refining bucket 18 inwall is preferably provided with drainage rib.
Coal feeding bucket 6 bottom is provided with coal seam governor motion, described coal seam governor motion comprises controllable register 23 and adjusting rod 24, controllable register 23 is hinged on coal feeding bucket 6 lower rearward side, fire grate room is provided with the through hole passed for adjusting rod, adjusting rod 24 front end is fixedly connected with controllable register 23 through through hole, adjusting rod 24 rear end is provided with handle 25, the shaft of adjusting rod 24 is evenly provided with some groups of restriction protrusion 26, adjusting rod 24 is equipped with limited location snap ring 27, limited location snap ring 27 inner surface contacts with fire grate chamber outer wall, limited location snap ring 27 outer surface and restriction protrusion 26 offset.By arranging coal seam governor motion in coal feeding bucket 6 bottom, coal seam governor motion can carry out regulable control to the coal seam thickness fallen on plate chain 10, makes fired coal combustion abundant.By coal seam governor motion is arranged to the version comprising controllable register 23 and adjusting rod 24, controllable register 23 drives the hinge angle of controllable register 23 by adjusting rod 24, thus the height controlled to adjust between baffle plate 23 and plate chain 10 and then the coal seam thickness adjusted on plate chain 10.Often group restriction protrusion 26 on the shaft of adjusting rod 24 all represents one and regulates height, is highly fixed adjustment by the locking of limited location snap ring 27 pairs of restriction protrusion 26.
Below by reference to the accompanying drawings preferred embodiment of the present utility model is elaborated, but the utility model is not limited to above-mentioned embodiment, in the ken that art technical staff possesses, various change can also be made under the prerequisite not departing from the utility model aim.
Claims (5)
1. one kind can be improved the hot-blast stove of utilization rate of coal, comprise boiler body, traveling-grate stoker is provided with below boiler body, it is characterized in that: described boiler body comprises burner hearth (1), secondary air inlet (2), deflection plate (3), drainage plate (4) and discharge pipe (5), burner hearth (1) is arranged in boiler body, secondary air inlet (2) is arranged on burner hearth (1) bottom, deflection plate (3) is horizontally installed on burner hearth (1) rear portion, drainage plate (4) is vertically arranged on deflection plate (3) front upper, discharge pipe (5) is arranged on burner hearth (1) rear portion, described traveling-grate stoker comprises coal feeding bucket (6), fire grate room (7) and traveling-grate stoker mechanism, coal feeding bucket (6) is arranged on fire grate room (7) front upper, and traveling-grate stoker organization establishes is inner in fire grate room (7), described traveling-grate stoker mechanism comprises driving shaft (8), driven shaft (9), plate chain (10), slag trap (11), slag notch (12) and several bellows (13), it is anterior that driving shaft (8) is arranged on fire grate room (7), driven shaft (9) is arranged on fire grate room (7) rear portion, plate chain (10) is wrapped on driving shaft (8) and driven shaft (9), several bellows (13) to be evenly arranged between driving shaft (8) and driven shaft (9) and to be positioned at plate chain (10) inner side, slag trap (11) is arranged on plate chain (10) rear outside, slag notch (12) is arranged on fire grate room (7) rear portion, foodstuff refiner is provided with in coal feeding bucket (6), described foodstuff refiner comprises propellers (14), bracing frame (15), micro machine (16), variable-frequency motor (17), pricketr and refining bucket (18), propellers (14) are horizontally installed on coal feeding bucket (6) inner upper, variable-frequency motor (17) is positioned at coal feeding bucket (6) outside, the power shaft of propellers (14) stretches out in coal feeding bucket and is connected with the output shaft of variable-frequency motor (17), bracing frame (15) is arranged on coal feeding bucket (6) inside and is positioned at propellers (14) below, bracing frame (15) middle part is provided with several support bars, micro machine (16) is arranged on support bar, pricketr upper end is connected with micro machine (16) through support bar, refining bucket (18) is arranged on coal feeding bucket (6) inside and is positioned at pricketr bottom, described pricketr comprises rotary supporting rod (19), rotary supporting rod (19) lower annular array is provided with multiple support bar (21), between adjacent two support bars (21), be provided with connecting rod (20), be provided with a vulcanite scraper head (22) in each support bar (21) front end, described vulcanite scraper head (22) is obliquely installed for axle center is rotated in a clockwise direction with rotary supporting rod (20), and the angle of inclination between described vulcanite scraper head (22) and support bar (21) is 100 ~ 160 degree.
2. the hot-blast stove improving utilization rate of coal according to claim 1, is characterized in that: on refining bucket (18) inwall, be provided with drainage rib.
3. the hot-blast stove improving utilization rate of coal according to claim 1, it is characterized in that: coal feeding bucket (6) bottom is provided with coal seam governor motion, described coal seam governor motion comprises controllable register (23) and adjusting rod (24), controllable register (23) is hinged on coal feeding bucket (6) lower rearward side, fire grate room is provided with the through hole passed for adjusting rod, adjusting rod (24) front end is fixedly connected with controllable register (23) through through hole, adjusting rod (24) rear end is provided with handle (25), the shaft of adjusting rod (24) is evenly provided with some groups of restriction protrusion (26), adjusting rod (24) is equipped with limited location snap ring (27), limited location snap ring (27) inner surface contacts with fire grate chamber outer wall, limited location snap ring (27) outer surface and restriction protrusion (26) offset.
4. the hot-blast stove improving utilization rate of coal according to claim 1, is characterized in that: described deflection plate (3) is waveform deflection plate.
5. the hot-blast stove improving utilization rate of coal according to claim 1, is characterized in that: on deflection plate (3), be provided with composite heat storage heat radiating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520383625.0U CN204739773U (en) | 2015-06-05 | 2015-06-05 | Can improve hot -blast furnace of coal -fired utilization ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520383625.0U CN204739773U (en) | 2015-06-05 | 2015-06-05 | Can improve hot -blast furnace of coal -fired utilization ratio |
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| Publication Number | Publication Date |
|---|---|
| CN204739773U true CN204739773U (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520383625.0U Expired - Fee Related CN204739773U (en) | 2015-06-05 | 2015-06-05 | Can improve hot -blast furnace of coal -fired utilization ratio |
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| CN (1) | CN204739773U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435935A (en) * | 2016-05-27 | 2017-12-05 | 深圳市汇清科技股份有限公司 | Incinerator |
| CN108592075A (en) * | 2018-06-26 | 2018-09-28 | 江苏太湖锅炉股份有限公司 | Biomass bulk cargo even distribution device |
-
2015
- 2015-06-05 CN CN201520383625.0U patent/CN204739773U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435935A (en) * | 2016-05-27 | 2017-12-05 | 深圳市汇清科技股份有限公司 | Incinerator |
| CN108592075A (en) * | 2018-06-26 | 2018-09-28 | 江苏太湖锅炉股份有限公司 | Biomass bulk cargo even distribution device |
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| Date | Code | Title | Description |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151104 Termination date: 20160605 |