CN201093710Y - Mechanical grate gas integrated atmospheric hot water boiler - Google Patents
Mechanical grate gas integrated atmospheric hot water boiler Download PDFInfo
- Publication number
- CN201093710Y CN201093710Y CNU2007200117148U CN200720011714U CN201093710Y CN 201093710 Y CN201093710 Y CN 201093710Y CN U2007200117148 U CNU2007200117148 U CN U2007200117148U CN 200720011714 U CN200720011714 U CN 200720011714U CN 201093710 Y CN201093710 Y CN 201093710Y
- Authority
- CN
- China
- Prior art keywords
- coal
- water
- boiler
- furnace
- grate
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000003245 coal Substances 0.000 claims abstract description 58
- 238000002485 combustion reaction Methods 0.000 claims abstract description 23
- 239000003034 coal gas Substances 0.000 claims abstract description 13
- 239000000498 cooling water Substances 0.000 claims abstract description 13
- 239000000779 smoke Substances 0.000 claims abstract description 8
- 241000005139 Lycium andersonii Species 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 210000000476 body water Anatomy 0.000 claims description 2
- 239000008236 heating water Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 238000002309 gasification Methods 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 239000002737 fuel gas Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010980 drying distillation Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
Landscapes
- Solid-Fuel Combustion (AREA)
Abstract
The utility model discloses a mechanical grate coal gas integration ordinary pressure boiler technical scheme has solved the operation security and the low grade technical problem of thermal technology that present this type of boiler exists. The mechanical grate gas integrated normal pressure hot water boiler is provided with a water jacket type boiler body, wherein a pilot burner is arranged in a coal hopper at a coal discharging end of a mechanical boiler, the pilot burner is composed of a lower pilot chamber and a cooling water tank at the upper part of the pilot chamber which are assembled into a whole, and the pilot chamber is a fire coal pilot air which is fixedly suspended and is opened on a grate and is formed by a heat-resistant boiler wall; a heat-insulating layer is arranged between the cooling water tank and the ignition chamber, and the cooling water tank is communicated with a water channel of the water jacket furnace body through a water return pipe and a water outlet pipe; the igniter in the coal hopper is arranged to form a front coal dropping channel and a rear coal dropping channel. The technical arrangement avoids the unsafety of coal bunker coal self-combustion due to high heat, ensures the high-efficiency combustion operation of coal gasification, and has the technical characteristics of low smoke emission concentration and good environmental protection performance.
Description
Technical field
The utility model relates to the coal that looses coal-fired normal-pressure hot-water boiler, in particular coal gasification normal-pressure hot-water boiler technology.
Background technology
Be to realize coal gasification heat release burning, existing coal gasification normal-pressure hot-water boiler technology has much adopted the lower gasification fire grate in burner hearth and the double grate structure of following combustion grate, or has increased the overheated mechanism that is used to produce water vapour feeding coal seam.These prior aries obviously are more suitable for being applied in the middle-size and small-size normal-pressure hot-water boiler, and for being provided with the medium-and-large-sized coal gas integrative normal pressure hot water boiler that chain etc. is provided with stoker fired grate, how start operation smoothly and realize the continuity and the then insoluble always technical barrier of security of the mixed combustion of system gas, cause because of the coal gasification condition is insufficient that operational reliability is poor, fume emission is difficult to reach the environment-protection boiler product and still exists in a large number.Especially existing have chain fire-gate medium-and-large-sized normal-pressure hot-water boiler and mostly be traditional masonry heater body structure, structure heaviness not only, and also safe operation is poor.
The utility model content
Goal of the invention of the present utility model be to provide a kind of be adapted to have stoker fired grate structure such as chain, can the continuous supplementation fire coal to guarantee the stoker fired grate coal gas integrative normal pressure hot water boiler of continuous service.Stoker fired grate coal gas integrative normal pressure hot water boiler technical scheme of the present utility model, its major technique content is: a kind of stoker fired grate coal gas integrative normal pressure hot water boiler, this boiler has the water-jacket typ furnace body, its mechanical type fire grate goes in the coal bunker of coal end to be provided with igniter, this igniter is made of the cooling water tank on bottom pilot chamber that is assembled into one and pilot chamber top, and pilot chamber is by the fire coal fixing unsettled, that be opened on fire grate that the heat resistant furnace circummure the constitutes space of igniting; Be provided with heat-insulation layer between cooling water tank and the pilot chamber, cooling water tank is communicated with water jacket furnace body water route by return pipe and outlet pipe; Igniter setting in the coal bunker has formed preceding coal breakage passage and back coal breakage passage.
The disclosed stoker fired grate coal gas of the utility model integrative normal pressure hot water boiler technical scheme, igniter parts setting in its coal bunker with cooling structure, substitute existing mechanical grate boiler structures such as chain of building body of heater by laying bricks or stones with employing water jacket furnace body construction, avoided the coal-fired Yin Gaore of coal bunker on the one hand and the existence of the insecurity of burning voluntarily, guaranteed coal-fired following igniting simultaneously, the operation of coal gasification efficient combustion, and has a better thermal property, because its initial ejection dust concentration is low, burning exothermal efficiency height, reach the environment-protection boiler service requirement fully, also had the high technical characterstic of security performance.
Description of drawings
Fig. 1 is the general assembly sectional structure schematic diagram of the utility model stoker fired grate coal gas integrative normal pressure hot water boiler
Fig. 2 is the sectional structure schematic diagram of igniter
Fig. 3 is that the A of Fig. 2 is to structure chart.
The specific embodiment
Stoker fired grate coal gas integrative normal pressure hot water boiler of the present utility model, what accompanying drawing was showed is chain fire-gate normal-pressure hot-water boiler one to be set implement the structure structure.Its furnace body includes water-jacket typ body of heater 20, the horizontal drum 17 that is communicated in body of heater is supported by symmetrical wing flue trustship 15 in body of heater 20 tops, place in the coal bunker of going into the coal end 14 spaces of chain furnace grate 1 and be provided with coal-fired igniter 11, the plane stay bolt water-jacket typ furnace wall of coal bunker 14 furnace walls around the igniter 11 for communicating with water-jacket typ body of heater 20.As shown in Figures 2 and 3, described fuel igniter 11 by preceding heat-resisting furnace wall 111, go up the heat-resisting furnace wall 112 of heat-resisting furnace wall and back and constituted the space of igniting---pilot chamber with the fire grate channel vertical, igniter 11 is crossed over and lift the installation that puts in place on fire grate 1, is fixedly installed in boiler side on furnace wall by its two side lower parts cast iron installing plate 13; The setting of igniter 11 in coal bunker 14, preceding coal breakage path 10 and back coal breakage passage 9 have been separated to form at coal bunker 14, the coal bunker coal breakage is under chain fire-gate drive, preceding furnace wall 111 by igniter 11 is sent into pilot chamber with corresponding coal seam thickness, in pilot chamber by pilot combustion, continue to move ahead along the fire grate passage with fire grate 1 in the coal seam of its burning, covered certain coal seam thickness by the coal breakage of back coal breakage passage 9 gradually, this structure should be by the design of the coal seam thickness of best vaporized state, carries out coal gasification combustion and has created optimal conditions for entering burner hearth.The setting of present technique structure is the coal seam pilot combustion to thinner thickness, thus half that its wind aequum only is a total blast volume, thus make initial smoke dust discharge concentration reduce to extremely low degree.Especially need to prove, in this structure for to avoid pilot chamber high temperature that the fuel of coal bunker 14 is ignited, to improve the security of its operation, pilot chamber top is provided with cooling water tank 110, cooling water tank 110 communicates with the water-jacket typ body of heater through return pipe and outlet pipe 113 and forms unified water circulation system, be provided with a heat-insulation layer 2 between the last furnace wall of cooling water tank 110 and igniter 11, the setting of cooling water tank 110 makes pilot chamber outer surface of upper temperature far below coal-fired burning-point, thereby guarantees that coal bunker 14 middle parts and top fire coal can be by coal bunker high temperature pilot combustion voluntarily.The smoke pipe 8 of pilot chamber feeds the burner hearth setting, and its remaining combustible is burnt away in burner hearth.The fire coal that enters burner hearth carries out drying and dry distillation reactor under the synergy of lower floor's fire coal and burner hearth high temperature, its moisture content and fugitive constituent are separated out, the red-hot carbon of semicoke and the heat release of a wind oxidizing fire of bottom fire bed, generate carbon dioxide, make oxide layer keep high temperature, its high temperature carbon dioxide and oxygen continue to rise to reducing zone, fuel gas such as heat absorption reduction reaction generation carbon monoxide take place with the red-hot coal of reducing zone, the fuel gas that the gasification of its fugitive constituent and semicoke produces top, coal seam by burner hearth in high temperature ignite, secondary wind combination spray pipe 5 passes the water-jacket typ furnace wall and feeds burner hearth, the secondary wind that it sprays into burn under fuel gas mixes strongly, because secondary combination spray pipe 5 can obtain the cooling of boiler water cycle system all the time, thereby avoided it to stretch into the phenomenon generation that burner hearth one end is burnt.In the burner hearth, to furnace front space extending suspension one rear arch 3 is set by the fire grate rear end, rear arch 3 is separated into anterior main combustion space 70, the following combustion space 72 of rear arch 3 belows and the last combustion space 71 of rear arch 3 tops with furnace cavity; Be positioned at rear arch 3 front ends top, promptly be separated in and be provided with a storage hot hole wall 4 between main combustion space 70 and the last combustion space 71, fuel gas and the strong mixed combustion of secondary wind that the burning fugitive constituent of main combustion space 70 and semicoke gasification produce, again through storing current-sharing mixing, the photothermy of hot hole wall 4, make the thorough after-flame of its remaining fuel gas, thereby realize high efficiency coal gasification combustion, heat release.After this storage hot hole wall 4 can be made as parts in advance, send to assemble in the stove and put in place.Its high-temperature flue gas enters the wing flue that is made of symmetrical wing flue trustship 15 by 71 rear portions, last combustion space and moves ahead, and folding is advanced into the threaded flue bundle 17 of drum.In this enforcement structure, the front smoke box 16 of drum encloses structure by the water jacket heating surface and forms, its bottom sinks, make its underpart heating water sleeve's body of wall and heat-resisting furnace wall layer conform to the face arch 6 that constitutes burner hearth, communicating with these front smoke box 16 bottoms is provided with ash door 12, and the setting of these front smoke box 16 heating surfaces makes 8% of its total heating surface that occupies boiler.
Claims (4)
1. stoker fired grate coal gas integrative normal pressure hot water boiler, it is characterized in that this boiler has the water-jacket typ furnace body, its mechanical type fire grate goes in the coal bunker (14) of coal end to be provided with igniter (11), this igniter is made of the cooling water tank (110) on bottom pilot chamber that is assembled into one and pilot chamber top, and pilot chamber is by the fire coal fixing unsettled, that be opened on fire grate that the heat resistant furnace circummure the constitutes space of igniting; Be provided with heat-insulation layer (2) between cooling water tank and the pilot chamber, cooling water tank is communicated with water jacket furnace body water route by return pipe and outlet pipe; Igniter setting in the coal bunker has formed preceding coal breakage passage (10) and back coal breakage passage (9).
2. stoker fired grate coal gas integrative normal pressure hot water boiler according to claim 1 is characterized in that the plane stay bolt water-jacket typ furnace wall of igniter (11) coal bunker (14) furnace wall on every side for communicating with the water-jacket typ furnace body.
3. stoker fired grate coal gas integrative normal pressure hot water boiler according to claim 1, it is characterized in that furnace body includes water-jacket typ body of heater (20), body of heater (20) top and supported the horizontal drum (17) that is communicated in body of heater by symmetrical wing flue trustship (15), to furnace front space extending suspension one rear arch (3) is set by the fire grate rear end, rear arch is separated into the following combustion space (72) of anterior main combustion space (70), rear arch below and the last combustion space (71) of rear arch top with furnace cavity; Be positioned at rear arch (3) front end top, be separated in main combustion space (70) and be provided with a storage hot hole wall (4) with last combustion space (71).
4. stoker fired grate coal gas integrative normal pressure hot water boiler according to claim 3, the front smoke box (16) that it is characterized in that drum (17) encloses structure by the water jacket heating surface and forms, heating water sleeve's body of wall and heat-resisting furnace wall layer conformed to the face arch (6) that constitutes burner hearth bottom it sank, and communicating with this front smoke box (16) bottom is provided with ash door (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200117148U CN201093710Y (en) | 2007-04-14 | 2007-04-14 | Mechanical grate gas integrated atmospheric hot water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200117148U CN201093710Y (en) | 2007-04-14 | 2007-04-14 | Mechanical grate gas integrated atmospheric hot water boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201093710Y true CN201093710Y (en) | 2008-07-30 |
Family
ID=39901678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200117148U Expired - Fee Related CN201093710Y (en) | 2007-04-14 | 2007-04-14 | Mechanical grate gas integrated atmospheric hot water boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201093710Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102732321A (en) * | 2012-05-29 | 2012-10-17 | 刘传祥 | Longitudinally arranged coal gas integrated powder coal hand fired furnace and pressure loaded steam boiler used for assembling hand fired furnace |
| CN105371483A (en) * | 2015-11-25 | 2016-03-02 | 刘传祥 | Fire-tube-free brick-free normal-pressure hot water briquette coal boiler |
| CN105716273A (en) * | 2016-04-25 | 2016-06-29 | 唐山市兴安型煤锅炉制造有限公司 | Double-section combustion horizontal type mechanical boiler |
-
2007
- 2007-04-14 CN CNU2007200117148U patent/CN201093710Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102732321A (en) * | 2012-05-29 | 2012-10-17 | 刘传祥 | Longitudinally arranged coal gas integrated powder coal hand fired furnace and pressure loaded steam boiler used for assembling hand fired furnace |
| CN102732321B (en) * | 2012-05-29 | 2014-06-18 | 刘传祥 | Longitudinally arranged coal gas integrated powder coal hand fired furnace and pressure loaded steam boiler used for assembling hand fired furnace |
| CN105371483A (en) * | 2015-11-25 | 2016-03-02 | 刘传祥 | Fire-tube-free brick-free normal-pressure hot water briquette coal boiler |
| CN105371483B (en) * | 2015-11-25 | 2017-12-29 | 刘传祥 | Unfired tube is without brick atmospheric pressure water heating coal boiler |
| CN105716273A (en) * | 2016-04-25 | 2016-06-29 | 唐山市兴安型煤锅炉制造有限公司 | Double-section combustion horizontal type mechanical boiler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103644562A (en) | Combined type energy-saving biomass fuel boiler | |
| CN201093710Y (en) | Mechanical grate gas integrated atmospheric hot water boiler | |
| WO2011136629A2 (en) | Solid fuel fired boiler with a gas burner for household use and gas combustion method | |
| CN203785241U (en) | Thrice combusting hot-air boiler | |
| CN102997213A (en) | Dual-fuel steam boiler | |
| CN201463238U (en) | Novel coal fired device | |
| CN202303348U (en) | Vertical powder burning industrial boiler with top combustor spraying downwards | |
| CN202598487U (en) | Energy-saving environment-friendly coal gasification boiler | |
| CN201764676U (en) | Carbonized gas mixed-combustion normal pressure boiler | |
| CN201513880U (en) | Integral gasifying combination burning boiler | |
| CN201159472Y (en) | Energy saving and emission reduction chain boiler equipment | |
| CN101126504A (en) | Coal continuous cleaning burning device and method | |
| CN102818247A (en) | Efficient steam boiler for gasification and combined combustion of pulverized coal | |
| CN201106843Y (en) | Fire coal clean-up combustion chain grate stove | |
| CN206709083U (en) | A kind of garbage pyrolysis gasification incinerator | |
| CN201772617U (en) | Carbon and hydrogen co-combustion pressure boiler | |
| CN101920303B (en) | Gasification forging continuous reheating furnace | |
| CN201954527U (en) | Spiral automatic feed combustion boiler | |
| CN101118061A (en) | High-temperature thermal storage type combined oven arch embedded second rotational flow overfire air burning inferior fuel | |
| CN201093480Y (en) | Ethanol waste slag boiler produced by burning straw | |
| CN2901154Y (en) | Gasifying room burning boiler | |
| CN102732321B (en) | Longitudinally arranged coal gas integrated powder coal hand fired furnace and pressure loaded steam boiler used for assembling hand fired furnace | |
| CN212746437U (en) | A burner of a biomass pellet burner | |
| CN103322673A (en) | Oil/natural-gas-fired hot-blast environment-friendly boiler | |
| CN102829469A (en) | Chain grate stoker boiler |
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: 20080730 Termination date: 20120414 |