CN205328955U - End gasifier is changeed to annular - Google Patents
End gasifier is changeed to annular Download PDFInfo
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- CN205328955U CN205328955U CN201521108574.7U CN201521108574U CN205328955U CN 205328955 U CN205328955 U CN 205328955U CN 201521108574 U CN201521108574 U CN 201521108574U CN 205328955 U CN205328955 U CN 205328955U
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Abstract
The utility model provides an end gasifier is changeed to annular, include: annular furnace chamber, annular furnace chamber are the spaces of compriseing internal perisporium, periphery wall, roof, diapire, and the annular furnace chamber divide into intake zone adjacent in proper order, gasification zone, branch matter gasification zone, gasification zone and ejection of compact district in advance, the cloth stone or metal plate for standing a stove on as a precaution against fire, the cloth stone or metal plate for standing a stove on as a precaution against fire rotationally is located the bottom in annular furnace chamber, transmission, transmission set up and link to each other in cloth stone or metal plate for standing a stove on as a precaution against fire below and with the cloth stone or metal plate for standing a stove on as a precaution against fire to drive cloth stone or metal plate for standing a stove on as a precaution against fire rotates, a plurality of radiant tube heating devices, a plurality of radiant tube heating unit bits in gasification zone in advance with divide the matter gasification zone in, and distribute in the top of cloth stone or metal plate for standing a stove on as a precaution against fire, and a plurality of gasification agents joining device, a plurality of gasification agents are added the device setting and in the gasification zone, are just distributed in the top of cloth stone or metal plate for standing a stove on as a precaution against fire. This end gasifier is changeed to annular has the gasification efficiency height, the energy consumption is low, the range of application is wide and separate unit stove raw material handling measures advantages such as big.
Description
Technical field
This utility model belongs to synthesis gas process units, in particular it relates to annular turns end gasification furnace。
Background technology
Gasification refers to that carbonaceous organic material is under uniform temperature and pressure condition, utilize gasifying agent (air or oxygen and steam) and carbon generation chemical reaction, produce the technology of crude synthesis gas, be the important way that the carbonaceous organic materials such as coal are carried out chemical process。Existing coal gasification reaction stove mainly has the three class type of furnaces, respectively the air flow bed type of furnace, the fluid bed type of furnace, the moving bed type of furnace。Wherein moving bed gasification is widely used with mild condition, the intensity of gasification and gasification efficiency height。But, moving bed gasification stove all adopts vertical structure, still suffer from such as combustion zone temperature height and cause that energy consumption is big, require that material has good mechanical strength and heat stability, make gasified raw material source limited, gasification furnace internal diameter is little causes that separate unit gasification furnace treating capacity is little, and the defect such as the response time is wayward。Therefore, the gasification furnace being currently used for preparing synthesis gas need further improvement。
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique at least to a certain extent。For this, a purpose of the present utility model is in that to propose a kind of have that gasification efficiency height, energy consumption be low, applied range and the big annular of separate unit stove feed throughput turn end gasification furnace。
According to an aspect of the present utility model, the utility model proposes a kind of annular and turn end gasification furnace。Annular according to this utility model specific embodiment turns end gasification furnace and includes:
Ring-type furnace chamber, the space that described ring-type furnace chamber is made up of internal perisporium, periphery wall, roof, diapire, described ring-type furnace chamber is divided into feed zone adjacent successively, pre-vaporized district, sub-prime gasification zone, gasification zone and discharge zone, wherein, described feed zone has charging aperture, described gasification zone or pre-vaporized district and has syngas outlet, and described discharge zone has slag-drip opening；
Cloth stone or metal plate for standing a stove on as a precaution against fire, described cloth stone or metal plate for standing a stove on as a precaution against fire can be positioned at the bottom of described ring-type furnace chamber with horizontally rotating,
Actuating device, described actuating device is arranged on below described cloth stone or metal plate for standing a stove on as a precaution against fire and is connected with described cloth stone or metal plate for standing a stove on as a precaution against fire, in order to drive described cloth stone or metal plate for standing a stove on as a precaution against fire to horizontally rotate；
Multiple radiation tube heaters, multiple described radiation tube heaters are positioned at described pre-vaporized district and sub-prime gasification zone, and are distributed in the top of described cloth stone or metal plate for standing a stove on as a precaution against fire and spaced apart with described cloth stone or metal plate for standing a stove on as a precaution against fire；And
Multiple gasifying agent adding apparatus, multiple described gasifying agent adding apparatus are arranged in described gasification zone, and are distributed in the top of described cloth stone or metal plate for standing a stove on as a precaution against fire and spaced apart with described cloth stone or metal plate for standing a stove on as a precaution against fire。
The annular of this utility model above-described embodiment turns end gasification furnace, and gasified raw material is laid in the top of cloth stone or metal plate for standing a stove on as a precaution against fire, by being blown into gasifying agent in gasified raw material layer so that the reaction of the two generating gasification produces synthesis gas。Therefore, significantly improving gasifying agent and gasified raw material contact area by adopting the annular of this utility model above-described embodiment to turn end gasification furnace, response speed is fast and abundant；Secondly, the gasification reaction in gasification zone can complete at 950-1200 DEG C of relatively mild temperature, uniform temperature fields, it is not necessary to has too high high temperature combustion zone to provide gasification temperature, was absent from high-temperature region, reduces insulating equipment material grade, reduce energy consumption simultaneously；3rd, material is entered gasification furnace by charging aperture, the material entering gasification furnace is laid in by distribution device on the flitch horizontally rotated, gasified raw material sequentially passes through pre-vaporized district, sub-prime gasification zone and gasification zone along with the rotation of cloth stone or metal plate for standing a stove on as a precaution against fire, and the remaining slag charge of gasification reaction gets rid of gasification furnace through drawing mechanism。Therefore, material does not have disturbance in gasification, it does not have extruding, mechanical strength and heat stability not requirement to material, the gasifiable material range of choice is extensive, as long as solid carbon Organic substance, such as coal, biomass, rubbish, mud, greasy filth etc.。It addition, material is laid on the cloth stone or metal plate for standing a stove on as a precaution against fire horizontally rotated, adopts cloth plane branch, dispersed placement porous distribution device, increase the sectional area that effectively gasifies, namely increase the production of synthetic gas tolerance in the unit interval。
It addition, turn end gasification furnace according to the annular of this utility model above-described embodiment can also have following additional technical characteristic:
In this utility model, described cloth stone or metal plate for standing a stove on as a precaution against fire is connected with described internal perisporium and described periphery wall respectively by black box。
In this utility model, the plurality of gasifying agent adding apparatus turns the even circumferential distribution of end gasification furnace along described annular, and each described gasifying agent adding apparatus is connected with described internal perisporium and described periphery wall。
In this utility model, described gasifying agent adding apparatus includes:
Gas main, the extension line of described gas main passes perpendicularly through described annular and turns the central shaft of end gasification furnace, described gas main has steam entry and oxygen intake, described steam entry connects with the steam pipeline arranged through described roof, and described oxygen intake connects with the oxygen pipeline arranged through described periphery wall；
Heater, described heater is arranged on the periphery of described gas main；
Multiple gas distribution tubes, described gas distribution tube is vertically situated at the lower section of described gas main and connects with described gas main, and the bottom of described gas distribution tube is spaced apart with described cloth stone or metal plate for standing a stove on as a precaution against fire。
In this utility model, the bottom end closure of described gas distribution tube, the tube wall bottom of described gas distribution tube is formed with the cloth bore region with multiple qi-emitting hole。
In this utility model, the bottom of described gas distribution tube and described cloth stone or metal plate for standing a stove on as a precaution against fire distance are not more than 20mm。
In this utility model, along the periphery wall of described ring-type furnace chamber, the perisporium arc length between each two adjacent gasification agent adding apparatus is 3-15m。
In this utility model, the internal diameter of described gas distribution tube is 10-50mm。
In this utility model, distance between the body central axle of adjacent two gas distribution tube on described gas main is identical, for two adjacent described gas mains, the body central axle of first gas distribution tube on one of them gas main and described annular turn the body central axle of first gas distribution tube that the vertical dimension between the central shaft of end gasification furnace is different from another gas main and described annular turns the vertical dimension between the central shaft of end gasification furnace
Wherein, described first gas distribution tube is that the described annular of the vicinity on gas main turns the gas distribution tube of the central shaft of end gasification furnace or for turning the gas distribution tube of the central shaft of end gasification furnace away from described annular。
In this utility model, described gasifying agent adding apparatus farther includes fixed mount, and described fixed mount is set on multiple described gas distribution tube, and the two ends of described fixed mount are separately fixed on described internal perisporium and periphery wall。
Accompanying drawing explanation
Fig. 1 is the front view that the annular according to one embodiment of this utility model turns end gasification furnace。
Fig. 2 is that the annular according to one embodiment of this utility model turns the pre-vaporized district of end gasification furnace and the sectional view of sub-prime gasification zone。
Fig. 3 is the sectional view that the annular according to one embodiment of this utility model turns the gasification zone of end gasification furnace。
Fig. 4 is the side view that the annular according to one embodiment of this utility model turns the gas distribution tube of end gasification furnace。
Detailed description of the invention
Being described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish。The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model。
According to an aspect of the present utility model, the utility model proposes a kind of annular and turn end gasification furnace。Below with reference to the accompanying drawings the annular that this utility model embodiment is described in detail turns end gasification furnace。
First, Fig. 1 illustrates the annular of this utility model embodiment and turns the front view of end gasification furnace, include as it can be seen, the annular of this utility model embodiment turns end gasification furnace: ring-type furnace chamber 10, cloth stone or metal plate for standing a stove on as a precaution against fire 20, actuating device (not shown), multiple radiation tube heater 30 and multiple gasifying agent adding apparatus 40。
Wherein, the space that ring-type furnace chamber 10 is made up of internal perisporium 11, periphery wall 12, roof 13 and diapire (not shown)；Ring-type furnace chamber 10 is divided into feed zone 110 adjacent successively, pre-vaporized district 120, sub-prime gasification zone 130, gasification zone 140 and discharge zone 150, wherein, feed zone 110 has charging aperture, gasification zone 140 or pre-vaporized district 120 have syngas outlet, and discharge zone 150 has slag-drip opening；Cloth stone or metal plate for standing a stove on as a precaution against fire 20 can be positioned at the bottom of ring-type furnace chamber 10 with horizontally rotating, and actuating device is arranged on below cloth stone or metal plate for standing a stove on as a precaution against fire 20 and is connected with cloth stone or metal plate for standing a stove on as a precaution against fire 20, in order to drives cloth stone or metal plate for standing a stove on as a precaution against fire 20 to rotate；Multiple radiation tube heaters 30 are positioned at pre-vaporized district 120 and sub-prime gasification zone 130, and the top being distributed in cloth stone or metal plate for standing a stove on as a precaution against fire 20 is spaced apart with cloth stone or metal plate for standing a stove on as a precaution against fire 20；And multiple gasifying agent adding apparatus 40 is arranged in gasification zone 140, and the top being distributed in cloth stone or metal plate for standing a stove on as a precaution against fire 20 is spaced apart with cloth stone or metal plate for standing a stove on as a precaution against fire 20。
According to specific embodiment of the utility model, cloth stone or metal plate for standing a stove on as a precaution against fire 20 is connected with internal perisporium 11 and periphery wall 12 respectively by black box。
According to concrete example of the present utility model, black box includes inner circumferential closed component 50 and periphery closed component 60。Wherein, inner circumferential closed component 50 includes Nei Feng road 51, inner circumferential flange 52 and ring closure groove 53, wherein, interior Feng Daoyu internal perisporium is connected, inner circumferential flange is connected with cloth stone or metal plate for standing a stove on as a precaution against fire, ring closure groove is arranged on the lower section of cloth stone or metal plate for standing a stove on as a precaution against fire 20 and is connected with internal perisporium 11, and Nei Feng road, inner circumferential flange extend respectively in ring closure groove。Periphery closed component 60 includes covering road 61, periphery flange 62 and outer shroud enclosed slot 63, wherein, covering road is connected with periphery wall, periphery flange is connected with cloth stone or metal plate for standing a stove on as a precaution against fire, outer shroud enclosed slot is arranged on the lower section of cloth stone or metal plate for standing a stove on as a precaution against fire 20 and is connected with periphery wall 12, and covering road, periphery flange extend respectively in outer shroud enclosed slot。
Thus, driving inner circumferential flange 52 and periphery flange 62 to slide in ring closure groove 53 and outer shroud enclosed slot 63 respectively when cloth stone or metal plate for standing a stove on as a precaution against fire rotates, Nei Feng road 51 and covering road 61 maintain static at ring closure groove 53 and outer shroud enclosed slot 63 respectively。And then make cloth stone or metal plate for standing a stove on as a precaution against fire form confined space with internal perisporium 11, periphery wall 12 and roof 13, contribute to maintaining temperature。
According to specific embodiment of the utility model, ring closure groove 53 and in outer shroud enclosed slot 63 bottom be respectively provided with closing packing area, inner circumferential flange 52 and periphery flange 62 are corresponding respectively to be extended in the closing packing area in ring closure groove 53 and outer shroud enclosed slot 63。According to specific embodiment of the utility model, closing packing area is liquid filler district or sand filler district。Thus, along with the rotation of cloth stone or metal plate for standing a stove on as a precaution against fire 20, connect the inner circumferential flange 52 on cloth stone or metal plate for standing a stove on as a precaution against fire 20 and periphery flange 62 slides respectively in ring closure groove 53 and outer shroud enclosed slot 63, as shown in Figure 2。And, it is further advanced by and adds water or sandy soil in closing packing area so that the ring-type furnace chamber above cloth stone or metal plate for standing a stove on as a precaution against fire 20 can be kept in operation process equally airtight, and then can effectively maintain the temperature in the ring-type furnace chamber on cloth stone or metal plate for standing a stove on as a precaution against fire, improve gasification efficiency, reduce energy consumption。
According to concrete example of the present utility model, support roller 23 is arranged at cloth stone or metal plate for standing a stove on as a precaution against fire 20 bottom rotated, supporting roller 23 is driven cloth stone or metal plate for standing a stove on as a precaution against fire 20 to carry out circular motion by drive mechanism, the cloth stone or metal plate for standing a stove on as a precaution against fire 20 of motion and static internal perisporium 11 and periphery wall 12 are attached by inner ring seal groove 53 and outer ring seal groove 63, inner ring seal groove 53 and outer ring seal groove 63 built with the sand less than 2mm as sealing medium。
According to specific embodiment of the utility model, gasification zone 140 can also be further divided into the first gasification zone and the second gasification zone。Thus classification can not carrying out gasification reaction, the first gasification zone is for primary gasification, and the second gasification zone is for supplementing gasification, and then gasification degree can be improved further, ensure that gasification reaction carries out completely, improve the utilization rate of gasified raw material, in order to save energy consumption further。Additionally, respectively the temperature in two gasification zones and gasification condition can also be controlled, the degree that gasification reaction according to material carries out, the coupling of the gasifying agent in the gasification zone of control difference respectively or the addition etc. of gasifying agent, in order to increase unit are and the synthesis gas yield in the unit interval to greatest extent。
According to specific embodiment of the utility model, as shown in Figure 2, multiple radiation tube heater 30 it is respectively provided with in pre-vaporized district 120 and sub-prime gasification zone 130, radiation tube heater 30 and hang on the top of cloth stone or metal plate for standing a stove on as a precaution against fire 20 and spaced apart with cloth stone or metal plate for standing a stove on as a precaution against fire 20, multiple radiation tube heaters 30 annularly turn the even circumferential distribution of end gasification furnace, and each radiation tube heater 30 is connected with internal perisporium 11 and periphery wall 12 respectively。Radiation tube heater 30 combustion gas provides heat for pre-vaporized district 120 and sub-prime gasification zone 130。According to specific embodiment of the utility model, radiation tube heater can be radiant tube burner。
According to specific embodiment of the utility model, as shown in Figure 3, it is distributed in gasification zone 140 and there is multiple gasifying agent adding apparatus 40, multiple gasifying agent adding apparatus 40 annularly turn the even circumferential distribution of end gasification furnace, and each gasifying agent adding apparatus is connected with internal perisporium 11 and periphery wall 12 respectively。
According to specific embodiment of the utility model, by gasifying agent adding apparatus 40 for providing gasifying agent in gasification zone 140, specifically, as it is shown on figure 3, gasifying agent adding apparatus 40 specifically includes: gas main 41, heater 42, multiple gas distribution tubes 43。
Wherein, gas main 41 has steam entry and oxygen intake, steam entry connects with the steam pipeline 44 arranged through roof 13, and oxygen intake connects with the oxygen pipeline 45 arranged through periphery wall 12, and the extension line of gas main 41 passes perpendicularly through annular and turns the central shaft of end gasification furnace；Heater 42 is arranged on the periphery of gas main 40；Gas distribution tube 43 is vertically situated at the lower section of gas main 41 and connects with gas main 41, and the bottom of gas distribution tube 43 is spaced apart with cloth stone or metal plate for standing a stove on as a precaution against fire 20。
According to specific embodiment of the utility model, first steam enters gas main 41 by steam pipeline 44, air or oxygen enter gas main 41 by oxygen pipeline 45, and mix in gas main 41 further, and heated by the heater 42 of gas main 41 periphery, entered in gasification zone 140 by multiple gas distribution tubes 43 after heating。
According to specific embodiment of the utility model, as shown in Figure 4, the bottom of gas distribution tube 43 is to close, and the tube wall bottom of gas distribution tube is formed with the cloth bore region with multiple qi-emitting hole 431。By these qi-emitting holes, pass into gasifying agent to the material on the cloth stone or metal plate for standing a stove on as a precaution against fire being positioned at gasification zone 140。According to concrete example of the present utility model, the diameter of qi-emitting hole 431 can be 0.5-5mm。According to concrete example of the present utility model, the adjacent pitch of holes between two qi-emitting holes 431 can 1.5-15mm。According to concrete example of the present utility model, " H " in the height in gas distribution region and Fig. 4 can be 50-400mm。Above-mentioned gas distributor pipe thus can be adopted can to add appropriate gasifying agent in gasification zone, make being fully contacted and mixing homogeneously of gasifying agent and the material on cloth stone or metal plate for standing a stove on as a precaution against fire simultaneously, and then be effectively improved gasification efficiency and synthesis gas productivity。
According to specific embodiment of the utility model, by arranging multiple qi-emitting hole 431 in the tube wall bottom of gas distribution tube, thus the lower end of gas distribution tube can be inserted on cloth stone or metal plate for standing a stove on as a precaution against fire material bed in, so that the gasifying agent discharged in qi-emitting hole and gasified raw material are fully contacted, and then effectively provide gasification reaction speed。Inventor is optimized by specification and size to qi-emitting hole further, achieve the control that gasifying agent is entered amount, gas flow rate further, thus further such that being fully contacted and mix homogeneously of gasifying agent and the material on cloth stone or metal plate for standing a stove on as a precaution against fire, and then gasification efficiency and synthesis gas productivity can be effectively improved。
According to specific embodiment of the utility model, above-mentioned gasification reaction can complete gasification reaction, uniform temperature fields at 950-1200 DEG C of relatively mild temperature, gasification temperature is provided without the need for too high high temperature combustion zone, it was absent from high-temperature region, and reduced insulating equipment material grade, reduce energy consumption simultaneously。
Distance according to specific embodiment of the utility model, the bottom of gas distribution tube 43 and cloth stone or metal plate for standing a stove on as a precaution against fire 20 is not more than 20mm。Thus can so that the qi-emitting hole of lower end of gas distribution tube be entirely insertable on cloth stone or metal plate for standing a stove on as a precaution against fire material bed in, and then be effectively improved gasifying agent utilization rate, save energy consumption。
According to specific embodiment of the utility model, along the periphery wall of ring-type furnace chamber, the perisporium arc length between each two adjacent gasification agent adding apparatus is 3-15m。Thus can pass through to arrange the gasifying agent adding apparatus that quantity is suitable so that pass into appropriate gasifying agent to the material in gasification zone, and then improve gasification efficiency, reduce the residual carbon content of residue after gasifying。
According to specific embodiment of the utility model, the internal diameter of gas distribution tube is 10-50mm。Thus, it is possible to intake and wind speed to gasifying agent are controlled, in order to improve gasifying agent further and contact with the effective of material, improve gasification reaction efficiency。
According to specific embodiment of the utility model, the distance between the body central axle of adjacent two gas distribution tube on each described injection pipe is 60-200mm。Thus, it is possible to intake and wind speed to gasifying agent are controlled, in order to improve gasifying agent further and contact with the effective of material, improve gasification reaction efficiency。
According to specific embodiment of the utility model, distance between the body central axle of adjacent two gas distribution tube on described gas main is identical, and for two adjacent described gas mains, the body central axle of first gas distribution tube on one of them gas main and described annular turn the body central axle of first gas distribution tube that the vertical dimension between the central shaft of end gasification furnace is different from another gas main and described annular turns the vertical dimension between the central shaft of end gasification furnace, wherein, described first gas distribution tube is that the described annular of the vicinity on gas main turns the gas distribution tube of the central shaft of end gasification furnace or for turning the gas distribution tube of the central shaft of end gasification furnace away from described annular。Thus can ensure that the clearance position of the gas distribution tube on a upper gasifying agent adding apparatus of the gas distribution tube along material direction of rotation next one gasifying agent adding apparatus, thus so that gasifying agent can contact with material fully, gasification efficiency can be improved。
According to specific embodiment of the utility model, gasifying agent adding apparatus farther includes fixed mount 46, and fixed mount 46 is set on multiple gas distribution tube, and the two ends of fixed mount 46 are separately fixed on internal perisporium 11 and periphery wall 12。
According to specific embodiment of the utility model, the gasified raw material layer on cloth stone or metal plate for standing a stove on as a precaution against fire is inserted in gas distribution tube bottom, gas distribution tube is motionless, gasified raw material is with cloth stone or metal plate for standing a stove on as a precaution against fire rotary motion, gasifying agent completes mixing and the preheating of gasifying agent air or oxygen and steam in gasifying agent adding apparatus, gasifying agent after mixing preheating is discharged by gas distribution tube end qi-emitting hole, is fully contacted with the gasified raw material of motion, completes gasification reaction and produces synthesis gas。
According to specific embodiment of the utility model, current moving bed gasification stove all adopts vertical structure, inventor have found that it has the disadvantage in that
1, combustion zone is in the bottom of gasification furnace, gasification zone is on the top of combustion zone, the steam that combustion zone burning produces ramps up, gasification hectic fever is provided for gasification zone through gasification zone, for ensureing the efficiency of carbon con version of gasification furnace gasification zone raw material, must improving combustion zone temperature, the heat insulation material of body of heater is required higher by combustion zone high temperature, adds the energy consumption of gasification simultaneously。
2, vertical gasification furnace, gasified raw material needs to add from furnace roof portion, eliminating along with bottom gasification slag, gasification materiel moves down through dry section gradually to gasification zone, completes gasification reaction, and the synthesis gas that gasification produces is from gasification zone drying district extraction gasification furnace, for ensureing that synthesis gas can get rid of gasification furnace smoothly, require that the material entering gasification furnace has good mechanical strength and heat stability, it is prevented that pulverize at dry section gasified raw material, hinder gasification synthesis gas by the extraction of gasification furnace bottom to top。Therefore gasified raw material source is limited。
3, the effectively gasification sectional area little (the gasification furnace internal diameter of gasification zone) of vertical gasification furnace, the synthesis gas that namely unit interval unit pneumatization produces is few, causes that the treating capacity of separate unit gasification furnace is little。
4, vertical gasification furnace material is along with bottom gasification reaction and burning slag deslagging, and gasified raw material moves from top to bottom, controls the response time extremely difficult。
5, moving bed gasification stove gasified raw material is limited, and major part can only gasify coal, and indivedual gasified bio-matters, gasified raw material kind is limited。
For this, gasification furnace is transformed by inventor of the present utility model in conjunction with the defect of vertical gasification furnace, research and development obtain the annular of this utility model embodiment and turn end gasification furnace, this annular turns end gasification furnace and not only can solve the problem that some problems existed in traditional vertical gasification furnace, is also that the development of gasification furnace provides new developing thought simultaneously。
Annular according to this utility model embodiment turns end gasification stove following advantages, and can solve the problem that following technical problem:
1, the annular of this utility model embodiment is adopted to turn end gasification furnace, gasifying agent is big with gasified raw material contact area, response speed is fast and abundant, gasification reaction can be completed at 950-1200 DEG C of relatively mild temperature, uniform temperature fields, it is not necessary to have too high high temperature combustion zone to provide gasification temperature, be absent from high-temperature region, reduce insulating equipment material grade, reduce energy consumption simultaneously。
2, the annular of this utility model embodiment is adopted to turn end gasification furnace, material is entered gasification furnace by charging aperture, the material entering gasification furnace is laid on the cloth stone or metal plate for standing a stove on as a precaution against fire horizontally rotated by distribution device, gasified raw material sequentially passes through pre-vaporized district, sub-prime gasification zone and gasification zone along with the rotation of cloth stone or metal plate for standing a stove on as a precaution against fire, and the remaining slag charge of gasification reaction gets rid of gasification furnace through drawing mechanism。Material does not have disturbance in gasification, it does not have extruding, mechanical strength and the heat stability not requirement to material, and the gasifiable material range of choice is extensive, as long as solid carbon Organic substance, for instance coal, biomass, rubbish, mud, greasy filth etc.。
3, the annular of this utility model embodiment is adopted to turn end gasification furnace, material is laid on the cloth stone or metal plate for standing a stove on as a precaution against fire horizontally rotated, adopt cloth plane branch, dispersed placement porous distribution device, increase the sectional area that effectively gasifies, namely increase the production of synthetic gas tolerance in the unit interval。
Embodiment
In revolving bed annular effectively cloth, the annular of linear diameter 45m turns end gasification furnace, and annular turns end gasification furnace and is along the circumferential direction followed successively by feed zone, pre-vaporized district, sub-prime gasification zone, a district of gasifying, gasify 2nd district and dreg discharging area。Gasification furnace holds space by furnace roof, furnace sidewall and cloth stone or metal plate for standing a stove on as a precaution against fire around forming, in pre-vaporized district and interval, sub-prime gasification zone, it is evenly arranged 40 groups of radiant tube burners along stove radial direction annular between cloth stone or metal plate for standing a stove on as a precaution against fire and furnace roof, wherein pre-vaporized district comprises 15 groups, sub-prime gasification zone comprises 25 groups, and radiant tube burner combustion heat value is about 1000kcal/Nm3Combustion gas be that pre-vaporized district and sub-prime gasification zone provide heat。Support roller is arranged at the cloth stone or metal plate for standing a stove on as a precaution against fire bottom rotated, support roller to be driven by drive mechanism, and then drive cloth stone or metal plate for standing a stove on as a precaution against fire to carry out circular motion, motion cloth stone or metal plate for standing a stove on as a precaution against fire and static furnace sidewall be attached by inner ring seal groove and outer ring seal groove, inner ring seal groove and outer ring seal groove built with the sand less than 2mm as sealing medium。Gasification zone is divided into gasification one district and gasification 2nd district, 30 gasifying agent adding apparatus are arranged along gasification furnace radial direction even circumferential in gasification zone, gasifying agent adding apparatus is connected through gasification furnace outer wall with oxygen or air line, top is connected with the steam pipeline through furnace roof, each gasifying agent adding apparatus bottom is evenly arranged gas distribution tube, gas distribution tube is at gasifying agent adding apparatus lower vertical cloth stone or metal plate for standing a stove on as a precaution against fire and along the axially in parallel arrangement of gasifying agent adding apparatus, each two gas distribution tube spacing are 100mm, gas distribution tube diameter is 50mm, each gas distribution tube lower part wall is uniformly beaten the qi-emitting hole of 1.5mm, qi-emitting hole is along tube wall centre-to-centre spacing 10mm, the height " H " of the cloth bore region that gas distribution holes is formed is 150mm。Having gas distribution tube fixed mount between gasifying agent adding apparatus and the bed of material, the distribution of gas distribution tube fixed mount is connected fixing with gasification furnace sidewall。Gas distribution tube end inserts gasified raw material layer near cloth cloth stone or metal plate for standing a stove on as a precaution against fire, gas distribution tube is motionless, gasification materiel is with cloth stone or metal plate for standing a stove on as a precaution against fire rotary motion, gasifying agent completes mixing and the preheating of gasifying agent air or oxygen and steam in gasifying agent adding apparatus, gasifying agent after mixing preheating is discharged by gas distribution tube end qi-emitting hole, it is fully contacted with the gasified raw material of motion, carries out gasification reaction。
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model。
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic。Thus, define " first ", the feature of " second " can express or implicitly include one or more these features。In description of the present utility model, " multiple " are meant that two or more, unless otherwise expressly limited specifically。
In this utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or integral；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals。For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in this utility model as the case may be。
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact。And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of fisrt feature level height higher than second feature。Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature。
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment of the present utility model or example。In this manual, what the schematic representation of above-mentioned term is not necessarily referring to is identical embodiment or example。And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner。Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art。
Although above it has been shown and described that embodiment of the present utility model, it is understandable that, above-described embodiment is illustrative of, it is not intended that to restriction of the present utility model, above-described embodiment can be changed in scope of the present utility model, revises, replace and modification by those of ordinary skill in the art。
Claims (10)
1. an annular turns end gasification furnace, it is characterised in that including:
Ring-type furnace chamber, the space that described ring-type furnace chamber is made up of internal perisporium, periphery wall, roof, diapire, described ring-type furnace chamber is divided into feed zone adjacent successively, pre-vaporized district, sub-prime gasification zone, gasification zone and discharge zone, wherein, described feed zone has charging aperture, described gasification zone or pre-vaporized district and has syngas outlet, and described discharge zone has slag-drip opening；
Cloth stone or metal plate for standing a stove on as a precaution against fire, described cloth stone or metal plate for standing a stove on as a precaution against fire can be positioned at the bottom of described ring-type furnace chamber with horizontally rotating,
Actuating device, described actuating device is arranged on below described cloth stone or metal plate for standing a stove on as a precaution against fire and is connected with described cloth stone or metal plate for standing a stove on as a precaution against fire, in order to drive described cloth stone or metal plate for standing a stove on as a precaution against fire to horizontally rotate；
Multiple radiation tube heaters, multiple described radiation tube heaters are positioned at described pre-vaporized district and sub-prime gasification zone, and are distributed in the top of described cloth stone or metal plate for standing a stove on as a precaution against fire and spaced apart with described cloth stone or metal plate for standing a stove on as a precaution against fire；And
Multiple gasifying agent adding apparatus, multiple described gasifying agent adding apparatus are arranged in described gasification zone, and are distributed in the top of described cloth stone or metal plate for standing a stove on as a precaution against fire and spaced apart with described cloth stone or metal plate for standing a stove on as a precaution against fire。
2. annular according to claim 1 turns end gasification furnace, it is characterised in that described cloth stone or metal plate for standing a stove on as a precaution against fire is connected with described internal perisporium and described periphery wall respectively by black box。
3. annular according to claim 1 turns end gasification furnace, it is characterised in that the plurality of gasifying agent adding apparatus turns the even circumferential distribution of end gasification furnace along described annular, and each described gasifying agent adding apparatus is connected with described internal perisporium and described periphery wall。
4. annular according to claim 3 turns end gasification furnace, it is characterised in that described gasifying agent adding apparatus includes:
Gas main, the extension line of described gas main passes perpendicularly through described annular and turns the central shaft of end gasification furnace, described gas main has steam entry and oxygen intake, and described steam entry connects described oxygen intake with the steam pipeline arranged through described roof and connects with the oxygen pipeline arranged through described periphery wall；
Heater, described heater is arranged on the periphery of described gas main；
Multiple gas distribution tubes, described gas distribution tube is vertically situated at the lower section of described gas main and connects with described gas main, and the bottom of described gas distribution tube is spaced apart with described cloth stone or metal plate for standing a stove on as a precaution against fire。
5. annular according to claim 4 turns end gasification furnace, it is characterised in that the bottom end closure of described gas distribution tube, and the tube wall bottom of described gas distribution tube is formed with the cloth bore region with multiple qi-emitting hole。
6. annular according to claim 5 turns end gasification furnace, it is characterised in that the bottom of described gas distribution tube and described cloth stone or metal plate for standing a stove on as a precaution against fire distance are not more than 20mm。
7. the annular according to any one of claim 4-6 turns end gasification furnace, it is characterised in that along the periphery wall of described ring-type furnace chamber, the perisporium arc length between each two adjacent gasification agent adding apparatus is 3-15m。
8. annular according to claim 6 turns end gasification furnace, it is characterised in that the internal diameter of described gas distribution tube is 10-50mm。
9. annular according to claim 4 turns end gasification furnace, it is characterised in that the distance between the body central axle of adjacent two gas distribution tube on described gas main is identical,
For two adjacent described gas mains, the body central axle of first gas distribution tube on one of them gas main and described annular turn the body central axle of first gas distribution tube that the vertical dimension between the central shaft of end gasification furnace is different from another gas main and described annular turns the vertical dimension between the central shaft of end gasification furnace
Wherein, described first gas distribution tube is that the described annular of the vicinity on gas main turns the gas distribution tube of the central shaft of end gasification furnace or for turning the gas distribution tube of the central shaft of end gasification furnace away from described annular。
10. annular according to claim 4 turns end gasification furnace, it is characterized in that, described gasifying agent adding apparatus farther includes fixed mount, and described fixed mount is set on the plurality of gas distribution tube, and the two ends of described fixed mount are separately fixed on described internal perisporium and periphery wall。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521108574.7U CN205328955U (en) | 2015-12-28 | 2015-12-28 | End gasifier is changeed to annular |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521108574.7U CN205328955U (en) | 2015-12-28 | 2015-12-28 | End gasifier is changeed to annular |
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| Publication Number | Publication Date |
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| CN205328955U true CN205328955U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521108574.7U Expired - Fee Related CN205328955U (en) | 2015-12-28 | 2015-12-28 | End gasifier is changeed to annular |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419870A (en) * | 2015-12-28 | 2016-03-23 | 北京神雾环境能源科技集团股份有限公司 | Circular rotary-hearth vapourizing furnace |
| CN105936951A (en) * | 2016-06-23 | 2016-09-14 | 江苏省冶金设计院有限公司 | System and method for processing high-phosphorus iron ore |
| CN106016276A (en) * | 2016-07-01 | 2016-10-12 | 北京神雾环境能源科技集团股份有限公司 | System and method for drying garbage by recycling waste heat of pyrolytic carbon through steam in rotary hearth furnace |
-
2015
- 2015-12-28 CN CN201521108574.7U patent/CN205328955U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419870A (en) * | 2015-12-28 | 2016-03-23 | 北京神雾环境能源科技集团股份有限公司 | Circular rotary-hearth vapourizing furnace |
| CN105936951A (en) * | 2016-06-23 | 2016-09-14 | 江苏省冶金设计院有限公司 | System and method for processing high-phosphorus iron ore |
| CN105936951B (en) * | 2016-06-23 | 2018-07-13 | 江苏省冶金设计院有限公司 | The system and method for handling high-phosphorus iron ore |
| CN106016276A (en) * | 2016-07-01 | 2016-10-12 | 北京神雾环境能源科技集团股份有限公司 | System and method for drying garbage by recycling waste heat of pyrolytic carbon through steam in rotary hearth furnace |
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Address after: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee after: Shenwu Technology Group Co.,Ltd. Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee before: BEIJING SHENWU ENVIRONMENT AND ENERGY TECHNOLOGY Co.,Ltd. |
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