CN201236180Y - Fire coal energy-saving environment friendly lime burner furnace - Google Patents
Fire coal energy-saving environment friendly lime burner furnace Download PDFInfo
- Publication number
- CN201236180Y CN201236180Y CNU2008200213690U CN200820021369U CN201236180Y CN 201236180 Y CN201236180 Y CN 201236180Y CN U2008200213690 U CNU2008200213690 U CN U2008200213690U CN 200820021369 U CN200820021369 U CN 200820021369U CN 201236180 Y CN201236180 Y CN 201236180Y
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- furnace body
- combustion zone
- coal
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- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 22
- 235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 22
- 239000004571 lime Substances 0.000 title claims abstract description 22
- 239000003245 coal Substances 0.000 title description 4
- 238000002485 combustion reaction Methods 0.000 claims abstract description 31
- 238000004321 preservation Methods 0.000 claims abstract description 18
- 239000002918 waste heat Substances 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 230000007613 environmental effect Effects 0.000 abstract description 14
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract description 2
- 239000003546 flue gas Substances 0.000 abstract description 2
- 240000006909 Tilia x europaea Species 0.000 description 14
- 210000003027 ear inner Anatomy 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- 239000000292 calcium oxide Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- VAYOSLLFUXYJDT-RDTXWAMCSA-N Lysergic acid diethylamide Chemical class C1=CC(C=2[C@H](N(C)C[C@@H](C=2)C(=O)N(CC)CC)C2)=C3C2=CNC3=C1 VAYOSLLFUXYJDT-RDTXWAMCSA-N 0.000 description 1
- 238000005760 Tripper reaction Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
燃煤节能型环保石灰窑炉，属于生产石灰用窑炉设备领域。包括上料系统、炉体、卸料装置、余热转换器、配风装置，其特征在于：上料系统为与炉体分体的独立提升斗(30)，炉体分为三段，上部为燃烧区(4)、中间为保温区(6)、下部为冷却区(8)，卸料装置为旋转炉条式安装在炉体的底部，余热转换器(27)设置在炉体燃烧区(4)一侧，配风装置为喉管式安装在燃烧区(4)与保温区(6)之间余热转换器(27)下方。具有结构合理、环保节能，热能转换率和余热热能利用率高达40％以上、设备易加工、投资小、省时省力、安全，无粉尘污染、将排放烟气全部回收利用等优点。
The utility model relates to a coal-fired energy-saving and environment-friendly lime kiln, which belongs to the field of kiln equipment for producing lime. It includes a feeding system, a furnace body, a discharge device, a waste heat converter, and an air distribution device. It is characterized in that: the feeding system is an independent lifting bucket (30) separate from the furnace body, and the furnace body is divided into three sections. The upper part is The combustion zone (4), the heat preservation zone (6) in the middle, and the cooling zone (8) at the bottom, the unloading device is a rotary grate type installed at the bottom of the furnace body, and the waste heat converter (27) is arranged in the furnace body combustion zone ( 4) On one side, the air distribution device is a throat type installed under the waste heat converter (27) between the combustion zone (4) and the heat preservation zone (6). It has the advantages of reasonable structure, environmental protection and energy saving, thermal energy conversion rate and waste heat utilization rate of more than 40%, easy processing of equipment, small investment, time-saving, labor-saving, safe, no dust pollution, and all exhausted flue gas can be recycled and utilized.
Description
Technical field
Coal-fired energy-saving type environmental protection lime burner furnace belongs to production lime and uses the furnace equipment field.
Background technology
Present native lime burner furnace is that masonry is built into, technology falls behind, unload grey method employing and manually unload ash with crowbar, its labour intensity is big, effort, time-consuming, dangerous, undesirable elements such as environment baneful influence health of human body, in order to address the above problem, the someone works out the environmental protection machinery lime burner furnace, but material loading generally is that raw material is promoted to furnace roof with car or hopper through track, pour in the feed bin again and send into burner hearth by feed bin, equipment is loaded down with trivial details, the feeding system complexity, and operation sequence is many, investment is big, waste starting material etc., burning air intake mode generally adopts gives vent to anger on the undergrate blast stove, does not have holding-zone, what have does not have a UTILIZATION OF VESIDUAL HEAT IN converter apparatus, not energy-conservation; Unload ash as disc type, but the investment large equipment is difficult for processing etc.But what have with high content of technologyly can only can not use moulded coal with gas.
The utility model content
The technical problems to be solved in the utility model is: overcome the problem that prior art exists, design a kind of rational in infrastructure, environmental protection and energy saving obvious results coal-fired energy-saving type environmental protection lime burner furnace.
The technical scheme that its technical problem that solves the utility model adopts is: this coal-fired energy-saving type environmental protection lime burner furnace, comprise feeding system, body of heater, dumping device, waste heat transmodulator, air distribution device, it is characterized in that: feeding system for the independent lift bucket of body of heater split, body of heater is divided into three sections, top is that combustion zone, centre are the cooling zone for heat preservation zone, bottom, dumping device is installed in the bottom of body of heater for the rotary furnace bar formula, the waste heat transmodulator is arranged on body of heater combustion zone one side, and air distribution device is that wikipedia type is installed in waste heat transmodulator below between combustion zone and the heat preservation zone.
Feeding system comprises lift pot, promotes car, and lift pot comprises top cover labyrinth and tapered seal bar again, and tapered seal bar flexibly connects with top cover labyrinth, lift pot in the middle of placing lift pot.The lift pot material loading is directly used in main effect.
The body of heater combustion zone is that cone-shaped bottom is a R angle type, the fire door below is provided with the material balance device, be provided with around air inlet duct between combustion zone and the heat preservation zone, air inlet duct is connected with air distribution device, be provided with loose of cross between heat preservation zone and the cooling zone, loose bottom of cross is provided with air outlet, and install circulation and carries blower fan at the air outlet place, carries blower fan and be connected with air distribution device.Its maximum characteristics are energy-conservation reaching more than 40%.
Air distribution device comprises pressure fan, wind blast inlet, secondary air blast inlet, trunnion.The effect of air distribution device is to regulate the air intake oxygen level, makes combustion system reach the purpose of low oxygen combustion.Establish a trunnion in the pressure fan exit, with wind by the time Negative Pressure Difference that produces secondary air is brought into reduces the generation that oxygen content suppresses NOx in the combustion processes and reduced the obnoxious flavour discharge, alleviated the burden of absorption, carbonization technique; Secondary air reaches environmental protection first grade discharging index after heat converter enters absorption carbonization technique, purification utilization.
Rotary furnace bar formula dumping device comprises motor 11, driving toothed gear 32, follower gear 12,33 and rotary furnace bar 19, be welded with the three grate furnace bars that are 120 degree angles on the rotary furnace bar 19, rotary furnace bar 19 1 ends are connected with follower gear 12,33, driving toothed gear 32 and follower gear 12 engagements, follower gear 12 and follower gear 33 engagements, driving toothed gear 32 links to each other with motor 11.
Compared with prior art, the beneficial effect that coal-fired energy-saving type environmental protection lime burner furnace of the present utility model is had is: with the independent lift bucket of body of heater split, cancellation feed bin and skip car and track, steel framework etc., thus investment reduced, reduce raw-material consumption and be convenient to operation.Body of heater is divided into three sections, and the combustion zone has been adopted and directly given wind and type space, body of heater R angle, and furnace binding is reasonable, and the lime that causes to fall and break fully to external diffusion, is convenient to the unobstructed of air intake at place, R angle for loose section that forms material around; Directly, realized that low oxygen combustion suppresses the novel process that the NOx thing generates, the flue gas that kiln gives off has all been recycled to the proportioning of elegance with the wikipedia type primary and secondary air.When the insulation section adopts constant temperature to protect, make heat energy make full use of conversion, obvious energy conservation.Improve the heat energy transformation efficiency more than 30%, energy-conservation about 30%; Insulation is provided with loose of cross with the critical place of cooling, has guaranteed that a wind fast by reaching quick cooling purpose, has reduced the resistance of carrying blower fan simultaneously; UTILIZATION OF VESIDUAL HEAT IN: the heat that kiln is discharged with secondary air accounts for 20% of coal burning total amount, the temperature of secondary air is at 500 degree, a wind is through cooling system and waste heat transmodulator, 400 degree elevate the temperature, thermal energy conversion rate is 67%, waste heat heat energy utilization rate is: 20%*67%*100=13.4%, heat energy always utilization ratio=heat-insulation system thermal energy conversion rate+waste heat thermal power transfer utilization ratio meter 30%+13.4% ≈ 43.4% energy-saving effect is excellent effectively again is remarkable; Rotary furnace bar is reasonable than other rotating disc type discharging furnace constructions, equipment is easily processed, it is little to invest, time saving and energy saving, safety; Furnace bottom has adopted soft door sealing and bottom air inlet, advantages such as no dust pollution.
Description of drawings
Fig. 1 is a coal-fired energy-saving type environmental protection lime burner furnace master TV structure synoptic diagram of the present utility model;
Fig. 2 is that the A-A of Fig. 1 rotary furnace bar formula dumping device cuts open and shows synoptic diagram;
Fig. 3 is the air distribution device synoptic diagram.
Fig. 1-the 3rd, the most preferred embodiment of coal-fired energy-saving type environmental protection lime burner furnace of the present utility model. be wherein: loose 8 cooling zones of 6 heat preservation zone, 7 crosses, 5 body of heater R angles, 1 oven roof sealing device, 2 air inlet duct 3 temperature control sensors, 4 combustion zones 9 top cover labyrinths, 10 tapered seal 11 motors 12,33 driven gears, 13 cushion pads, 14 discharging cars, 15 air inlets, 16 soft doors, 17 tracks, 18 steel wire ropes, 19 rotary furnace bars, 20 furnace bottom trippers 21 are carried blower fan 22 refractory brick 23,36 wind air inlets of 24 heat-insulation layer 25 pressure fans, 26 air inlet duct 27 residual heat converters, 28 material balance device 29 operating desks, 30 elevator bucket 31 lifting cars, 32 driving gear 34 trunnions, 35 Secondary Air air inlets.
Specific implementation method
Below in conjunction with accompanying drawing 1-3 coal-fired energy-saving type environmental protection lime burner furnace of the present utility model is described further:
With reference to Fig. 1-3
Coal-fired energy-saving type environmental protection lime burner furnace of the present utility model, comprise feeding system, body of heater, dumping device, waste heat transmodulator, air distribution device, feeding system is the independent lift bucket 30 with the body of heater split, body of heater is divided into three sections, top is that combustion zone 4, centre are cooling zone 8 for heat preservation zone 6, bottom, dumping device is installed in the bottom of body of heater for the rotary furnace bar formula, waste heat transmodulator 27 is arranged on body of heater combustion zone 4 one sides, and air distribution device is that wikipedia type is installed in waste heat transmodulator 27 belows between combustion zone 4 and the heat preservation zone 6.
Feeding system comprises lift pot 30, promotes car 31, and lift pot 30 comprises top cover labyrinth 9 and tapered seal bar 10 again, and tapered seal bar 10 flexibly connects with top cover labyrinth 9, lift pot 30 in the middle of placing lift pot 30.
Body of heater combustion zone 4 is a R angle type for cone-shaped bottom, the fire door below is provided with material balance device 28, be provided with around air inlet duct 26 between combustion zone 4 and the heat preservation zone 6, air inlet duct 26 is connected with air distribution device, be provided with loose 7 of cross between heat preservation zone 6 and the cooling zone 8, loose 7 bottom of cross is provided with air outlet, and install circulation and carries blower fan 21 at the air outlet place, carries blower fan 21 and be connected with air distribution device.
Air distribution device comprises pressure fan 25, wind blast inlet 36, secondary air blast inlet 35, trunnion 34.
Rotary furnace bar formula dumping device comprises motor 11, driving toothed gear 32, follower gear 12,33 and rotary furnace bar 19, be welded with the three grate furnace bars that are 120 degree angles on the rotary furnace bar 19, rotary furnace bar 19 1 ends are connected with follower gear 12,33, driving toothed gear 32 and follower gear 12 engagements, follower gear 12 and follower gear 33 engagements, driving toothed gear 32 links to each other with motor 11.
This coal-fired energy-saving type environmental protection lime burner furnace fuel both can be used coal, also can do fuel with Sweet natural gas, coal gas etc.
Principle of work and working process are as follows:
Material loading with burn till:
Wingdale promotes car 31 through lift pot 30 and carries to the kiln top, it is suitable for reading that the tapered sealing member 10 of lift pot 30 aligns body of heater, boiler roof sealing door 1 is opened at this moment, top cover labyrinth 9 fell lift pot 30 sealings suitable for reading when tapered sealing member 10 fell, Wingdale is dispersed in 4 tops, combustion zone uniformly under the effect of material balance device 28, enter combustion zone 4 after the preheating, enter heat preservation zone 6 from being preheating to combustion processes after about 12 hours, the wind inlet section at combustion zone 4 and heat preservation zone 6 critical places has adopted body of heater R angle 5 amplification techniques, make the air intake air port section form a unconsolidated formation, guaranteed that the unobstructed of air intake is with even, regulate the air intake oxygen level with secondary air, realized that low oxygen combustion suppresses the novel process that the NOx thing generates.The temperature of combustion zone is controlled at the 1000-1100 degree, temperature 1100 degree maturing rates is sent into heat preservation zone 6 at 70% calcium oxide enter cooling zone 8 after heat conversion in 15 to 20 hours reaches complete slaking; Be provided with loose 7 of cross between heat preservation zone 6 and the cooling zone 8, the cold wind of kiln bottom 8 becomes hot blast through the cooling zone, enters a wind carrying blower fan 21 and last air inlet duct 2 and enters furnace combustion zone 4 through the hot blast that waste heat transmodulator 27 is converted to about 400 degree through pressure fan 25; 8 quick cooling backs enter discharging car 14 to the calcium oxide of slaking under the drive of rotary furnace bar formula dumping device in the cooling zone.
Discharging:
The brake of startup power supply switch is opened, motor 11 rotates and drives driving toothed gear 32 rotations, driving toothed gear 32 rotates and drives follower gear 12,33 rotations, rotary furnace bar 19 is done to rotate synchronously under the drive of follower gear 12,33, when turning to the travel switch position, the contact on the follower gear 33 stirs travel switch, because of travel switch is connected with action button, thereby disconnecting power switch.Realize actions such as motor 11 outage self-actuating brakes.Repeat above-mentioned action and just finish the calcium oxide operation of coming out of the stove at regular time and quantity.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200213690U CN201236180Y (en) | 2008-04-22 | 2008-04-22 | Fire coal energy-saving environment friendly lime burner furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200213690U CN201236180Y (en) | 2008-04-22 | 2008-04-22 | Fire coal energy-saving environment friendly lime burner furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201236180Y true CN201236180Y (en) | 2009-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200213690U Expired - Fee Related CN201236180Y (en) | 2008-04-22 | 2008-04-22 | Fire coal energy-saving environment friendly lime burner furnace |
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| Country | Link |
|---|---|
| CN (1) | CN201236180Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237821A (en) * | 2016-07-21 | 2016-12-21 | 石家庄新华能源环保科技股份有限公司 | A kind of limekiln denitrating system |
| CN109520284A (en) * | 2017-09-20 | 2019-03-26 | 辽宁劲达华杰工程技术有限公司 | A kind of five-part form magnesia unslacked energy conservation and environmental protection shaft furnace |
| CN111302673A (en) * | 2019-12-20 | 2020-06-19 | 辽宁东大粉体工程技术有限公司 | High-temperature magnesium oxide calcining device and calcining method thereof |
| CN113108602A (en) * | 2021-04-15 | 2021-07-13 | 韶关市柏林再生资源开发有限公司 | Novel activation calcining kiln for coal gangue |
-
2008
- 2008-04-22 CN CNU2008200213690U patent/CN201236180Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237821A (en) * | 2016-07-21 | 2016-12-21 | 石家庄新华能源环保科技股份有限公司 | A kind of limekiln denitrating system |
| CN109520284A (en) * | 2017-09-20 | 2019-03-26 | 辽宁劲达华杰工程技术有限公司 | A kind of five-part form magnesia unslacked energy conservation and environmental protection shaft furnace |
| CN111302673A (en) * | 2019-12-20 | 2020-06-19 | 辽宁东大粉体工程技术有限公司 | High-temperature magnesium oxide calcining device and calcining method thereof |
| CN111302673B (en) * | 2019-12-20 | 2024-10-15 | 张继宇 | High-temperature magnesium oxide calcining device and calcining method thereof |
| CN113108602A (en) * | 2021-04-15 | 2021-07-13 | 韶关市柏林再生资源开发有限公司 | Novel activation calcining kiln for coal gangue |
| CN113108602B (en) * | 2021-04-15 | 2021-12-17 | 韶关市柏林再生资源开发有限公司 | Coal gangue new activated calcining kiln |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 Termination date: 20110422 |