CN2441037Y - Energy saving smokeless environment protecting boiler - Google Patents
Energy saving smokeless environment protecting boiler Download PDFInfo
- Publication number
- CN2441037Y CN2441037Y CN 00251169 CN00251169U CN2441037Y CN 2441037 Y CN2441037 Y CN 2441037Y CN 00251169 CN00251169 CN 00251169 CN 00251169 U CN00251169 U CN 00251169U CN 2441037 Y CN2441037 Y CN 2441037Y
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- CN
- China
- Prior art keywords
- boiler
- energy
- coal
- wall
- combustion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000197 pyrolysis Methods 0.000 claims abstract description 34
- 239000003245 coal Substances 0.000 claims abstract description 32
- 238000002485 combustion reaction Methods 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 239000000779 smoke Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 239000002893 slag Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 2
- 238000010411 cooking Methods 0.000 abstract 1
- 239000003500 flue dust Substances 0.000 description 8
- 239000002956 ash Substances 0.000 description 6
- 239000000446 fuel Substances 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- 240000007643 Phytolacca americana Species 0.000 description 3
- 235000009074 Phytolacca americana Nutrition 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000003818 cinder Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Solid-Fuel Combustion (AREA)
Abstract
The utility model relates to an energy-saving smokeless environment protecting boiler, wherein, coal is fed through the outer wall of the energy-saving smokeless environment protecting boiler and is combusted in the energy-saving smokeless environment protecting boiler. The utility model is characterized in that a plurality of rows of vertical water cooking walls are arranged in a boiler body, a boiler cavity is divided into a first combustion zone, a second combustion zone, a combustion-out zone and a heat absorbing zone by the vertical water cooling walls, the outer wall of the boiler body is provided with a dry distillation chamber, coal carried out with dry distillation falls into a fire grate and moves forwards through the fire grate to accomplish combustion-combustion out-slag removal, and both sides of a boiler chamber are provided with heat-resistant hollow lining plates capable of adjusting air. The designing method of the energy-saving smokeless environment protecting boiler can be suitable for various types of boilers which can achieve no smoke discharge, no pollution to air, energy saving and low cost.
Description
The utility model relates to a kind of energy-saving free of smoke environment-protection boiler, particularly a kind of energy-saving free of smoke environment-protection boiler of boiler casing coal.
The patent No. is the utility model patent " burning of middle coal both sides suppresses the smokeless coal burning boiler of discharged nitrous oxides " of ZL9820773.9, has described a kind of method that suppresses discharged nitrous oxides, has following defective.
1, because dry distillation area is located in the middle of the furnace chamber, has taken most of (furnace chamber about 1/3rd) and effectively be subjected to heat space, reduced boiler capacity.
2, because dry distillation area is located in the middle of the furnace chamber, taken most of grate area, and fire grate by dry distillation area from middle 2/1sts, caused the fire stroke of fire grate to shorten, reduced the time of staying that fuel burns on fire grate, fuel can not get abundant burning, causes energy waste.
3, the based on fuel theory of combustion, " it is dirty that the lime-ash after burning is molten; meet and be cooled with the cold air that rises; harden into hard solid-state lime-ash gradually; and the coal-adding type of middle coal both sides burning be the hard solid lime-ash of deadweight crushing by coal is unscientific, because hard lime-ash is difficult to crushing by the deadweight of coal.So establish the mouth that pokes fire, by manually disclosing slag, push away coal, when pushing away coal, cause slag coal grain in small, broken bits and coal ash to fly upward disclosing, under the draft of chimney, enter atmosphere, polluted environment, also caused the waste of fuel.
4, because dry distillation area has occupied most of grate area, dwindled the burning area of fire grate, reduced the heat space that is subjected to of boiler, reduced the rated load of boiler, as want to reach rated load, just must increase and disclose slag coal number of times, cause mouthful door folding that pokes fire tired frequently, a large amount of cold airs enter burner hearth.Reduce furnace temperature, reduced the thermal efficiency.
The utility model purpose is to overcome many defectives that the both sides burning of above-mentioned middle coal suppresses the smokeless coal burning boiler of discharged nitrous oxides, provide a kind of rational in infrastructure, increase the fire grate burning area, increase the burning time of fuel, do not establish and disclose slag and push away the coal mouth that pokes fire, automatic slag removal is smooth, reduces soot emissions.Increase the heating surface area of furnace chamber, increased boiler capacity, improve the energy-saving free of smoke environment-protection boiler of the thermal efficiency.
The utility model embodiment is as follows:
A kind of furnace body outer wall coal that the utility model provides, the energy-saving free of smoke environment-protection boiler of moving grate burning in the stove, comprise body of heater, fire grate, heatproof hollow furnace lining plate, chimney and sealing destructive distillation chamber etc., it is characterized in that: arrange vertical water-cooling wall at the inner number of placing of body of heater, vertical water-cooling wall is parallel or favour furnace body wall, vertical water-cooling wall is divided into first combustion zone with the body of heater inner chamber, second combustion zone, burnt zone and heat absorption district, wherein seal the destructive distillation chamber and be located at furnace body outer wall, sealing coal filling hole place, destructive distillation chamber is provided with the sealing insulation cover, described body of heater external form is a rectangle, can be made of the water jacket cylindrical shell.
Theoretical base reason of the present invention is:
Coal under the high temperature anoxic environment a series of physics takes place and chemical change is called destructive distillation (or pyrolysis).Destructive distillation can make coal separate out the gaseous state combustible, and these materials must be met oxygen and could be burnt.
The gaseous material nitrogen element that coal produces under the high temperature anoxic environment is with reducing substances NH
3Form exist, the gaseous material nitrogen element that produces under the environment of high temperature aerobic then exists with the form of NO, so the controlled discharge that is shaped on harmful gas NO of anoxic high-temperature retorting.
The fuel gas of separating out in anoxic destructive distillation chamber enters the combustion zone by coal outlet and meets oxygen mixed combustion, reducing substances NH wherein
3Meet reduction mutually with the NO that generates in the combustion zone, thereby can reduce the emission measure of NO.
Further describe the utility model below in conjunction with drawings and Examples;
Accompanying drawing 1-1 is the utility model example structure schematic diagram;
Accompanying drawing 1-2 is the A-A profile of present embodiment Fig. 1-1;
Accompanying drawing 1-3 is the structural representation of present embodiment heatproof hollow furnace lining plate;
Accompanying drawing 1-4 is the B-B profile of present embodiment heatproof hollow furnace lining plate Fig. 1-3;
Accompanying drawing 1-5 is the structural representation of present embodiment basket strainer.
Wherein: 1, air compartment; 2, fire grate driving wheel; 3, coal outlet; 4, the indoor outer wall flame retardant coating of destructive distillation; 5, superconduction heat-transfer pipe; 6, destructive distillation chamber; 7, destructive distillation chamber seal cover; 8, heatproof hollow furnace lining plate; 9, secondary air mouth; 10, clear water reserviors; 11, sprayer; 12, filter screen; 13, blowoff valve; 14, chimney; 15, basket strainer; 16, plate washer; 17, water-cooling wall upper collecting chamber; 18, body of heater; 19, water-cooling wall; 20, furnace water jacket; 21, first combustion zone; 22, water-cooling wall next part case; 23, second combustion zone; 24, burnt zone; 25, fire grate; 26, scarfing cinder plate; 27, dreg-storing box; 28, clean-out door; 29, basket strainer; 30, water-cooling wall heat insulation layer; 31, storage dirt pond; 32, heatproof hollow furnace lining plate center-aisle; 33, ventilating opening; 34, air inlet.
Fig. 1-1, Fig. 1-2, Fig. 1-3, Fig. 1-4, Fig. 1-5 is a kind of structural representation of the utility model embodiment, body of heater 18 is a rectangle, inboard wall of furnace body 20 is a water jacket, fire grate is positioned at the body of heater bottom, it is characterized in that: the furnace body outer wall lower end is provided with destructive distillation chamber 6, the indoor outer wall of destructive distillation constitutes with flame retardant coating 4, superconduction heat-transfer pipe 5 is located in the middle of the flame retardant coating, inside and outside wall has the superconduction heat-transfer pipe to link to each other, destructive distillation chamber coal filling hole is provided with seal cover 7, coal through destructive distillation flows into fire grate 25 burnings from destructive distillation chamber coal outlet 3, combustion-supporting by air inlet 34 and secondary air mouth 9 air intakes, the secondary air mouth is located on the fire-resistant hollow furnace lining plate 8 of Lu Tang both sides, secondary air mouth 9 communicates through the center-aisle 32 and the ventilating opening 33 of fire-resistant hollow furnace lining plate 8, the air compartment 1 of ventilating opening 33 and fire grate bottom communicates, fire grate 25 is under the driving of fire grate driving wheel 2, and fire grate 25 moves forward, and fuel is by first combustion zone 21, second combustion zone 23, burnt zone 24, the slag that burns is removed through scarfing cinder plate 26, falls into dreg-storing box 27, the dreg-storing box bottom is provided with clean-out door 28, be provided with number row's water-cooling walls 19 in the furnace chamber, each is arranged water-cooling wall and forms by arranging orderly vertical steel pipe, and water is housed in the pipe, each is arranged water-cooling wall and is made up of adiabatic sealant 30, each is arranged water-cooling wall upper header 17 and lower collecting box 22 is housed respectively, and each is arranged, and lower collecting box is connected on the water-cooling wall, and cigarette hot gas enters from plate washer 16 lower ends by basket strainer 29, again by several layers of basket strainer 15, flue gas under the adhesion of basket strainer and collision, remove remaining flue dust after, enter chimney and discharge.Water smoke and flue gas that the dedusting sprayer is sprayed are reverse, the flue dust of its purpose in not only can the adhesion flue gas falls into storage dirt pond 31, and can wash away the flue dust of adhesion on the basket strainer 15, make basket strainer keep moisture state forever, so that more effective adhesion flue dust.Side in storage dirt pond is provided with filter screen 12, its objective is the flue dust impurity in the water of elimination storage dirt pond, and filters clear water constantly for clear water reserviors 10, and for dedusting sprayer water, formation circulates.When the water in the storage dirt pond contains dust concentration when big, can open blowoff valve 13, sewage is entered in the dreg-storing box 27, reduce the slag temperature, be that lime-ash is moistening, avoid dust to fly upward when slagging tap.
The superconduction heat-transfer pipe has special function, can moment pass to the other end to the high temperature of an end, the inside and outside wall of destructive distillation chamber is linked to each other by several superconduction heat-transfer pipes, when the destructive distillation chamber interior walls reaches a high temperature, under the effect of superconduction heat-transfer pipe, outer wall has also reached near same high temperature, thereby the temperature unanimity of whole destructive distillation chamber, makes coal carbonization reach quick, even, consistent.
Coal is separated out a large amount of fuel gas under the environment of anoxic high temperature in the destructive distillation chamber, enter the combustion zone from destructive distillation chamber coal outlet, burns fully as need, and necessary a large amount of air is because the deficiency in draught of an air intake needs could satisfy the demand of burning by secondary air.The heatproof hollow furnace lining plate of the utility model design can satisfy the demand of secondary air, and the hot-air after heatproof hollow furnace lining plate is heated enters Lu Tang, can make sufficient combustion, reduced an intake of blower fan, reduce flying upward of flue dust, reduced the discharging of flue dust, reduced atmosphere pollution.
Coal is become semicoke by destructive distillation under the high temperature anoxia condition of destructive distillation chamber, what volatile matter was a large amount of under the effect of destructive distillation separates out, and the hole in the semicoke particle is increased, help oxygen and spread inwards, thus accelerated combustion reaction, thereby after the semicoke particle enters the combustion zone, burning is abundant fast, not over-emitting black exhaust.
Coal after the destructive distillation falls within on the fire grate by deadweight, the fire grate driving wheel slowly moves forward under the effect of manpower or electric power, automatically------burn---scarfing cinder---ash disposal, every main operation has formed pipelining, stable and reliable operation in burning to have finished coal.
This energy-saving free of smoke environment-protection boiler water-cooling wall is to adopt vertical downflow type arrangement, these water-cooling walls are two-sided to be heated, it does not promptly influence the flame of combustion zone and gives full play to, burns, be beneficial to the heat absorption of heat absorption district again, respectively arrange simultaneously and formed higher passage between the water-cooling wall, bigger flue gas suction force is arranged, do not having under the condition of blower fan, flue gas flow rate is exceedingly fast, and to smoke evacuation, heat transfer, increases boiler load and has created advantage.
According to the energy-saving free of smoke environment-protection boiler of the utility model design, can be suitable for the heat transmission equipment of various models, all can reach sufficient combustion, no flue dust discharging, can suppress the generation of nitrogen oxide, utilization property is strong, and applicability is wide, energy savings, cheap, contaminated air not, energy saving, vast market is arranged, high economic benefit and social benefit are arranged.
Claims (3)
1, a kind of energy-saving free of smoke environment-protection boiler, comprise: body of heater, fire grate, heatproof hollow furnace lining plate, destructive distillation chamber, chimney, it is characterized in that: arrange vertical water-cooling wall at the inner number of placing of body of heater, the parallel furnace body wall of vertical water-cooling wall is divided into first combustion zone, second combustion zone, burnt zone, heat absorption district, dedusting area with the body of heater inner chamber.Wherein seal the destructive distillation chamber and be located at furnace body outer wall, sealing destructive distillation chamber is suitable for reading to have the thermal-insulating sealing of being convenient to coal to cover.
2, by the described a kind of energy-saving free of smoke environment-protection boiler of claim 1, it is characterized in that: the indoor outer wall of sealing destructive distillation has the superconduction heat-transfer pipe to connect.
3, by the described a kind of energy-saving free of smoke environment-protection boiler of claim 1, it is characterized in that the Lu Tang both sides are provided with the heatproof hollow furnace lining plate of adjustable air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00251169 CN2441037Y (en) | 2000-09-12 | 2000-09-12 | Energy saving smokeless environment protecting boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00251169 CN2441037Y (en) | 2000-09-12 | 2000-09-12 | Energy saving smokeless environment protecting boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2441037Y true CN2441037Y (en) | 2001-08-01 |
Family
ID=33609174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00251169 Expired - Fee Related CN2441037Y (en) | 2000-09-12 | 2000-09-12 | Energy saving smokeless environment protecting boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2441037Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471090A (en) * | 2013-09-09 | 2013-12-25 | 山西大学 | Low-emission layer-burning boiler and denitrification strengthening method |
| CN116242190A (en) * | 2023-01-30 | 2023-06-09 | 西安热工研究院有限公司 | Waste heat utilization device |
-
2000
- 2000-09-12 CN CN 00251169 patent/CN2441037Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471090A (en) * | 2013-09-09 | 2013-12-25 | 山西大学 | Low-emission layer-burning boiler and denitrification strengthening method |
| CN103471090B (en) * | 2013-09-09 | 2016-08-10 | 山西大学 | A low-emission layer-fired boiler and a method for enhancing denitrification |
| CN116242190A (en) * | 2023-01-30 | 2023-06-09 | 西安热工研究院有限公司 | Waste heat utilization device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |