CN103789043B - A kind of biomass gasifying furnace ash discharge slag device - Google Patents
A kind of biomass gasifying furnace ash discharge slag device Download PDFInfo
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Abstract
本发明公开了一种生物质气化炉排灰渣装置，它包括炉膛（3）和进料通道（11），其特征在于，所述炉膛（3）底部及进料通道（11）的周围设有转盘式排灰装置，所述转盘式排灰装置包括排灰盘（9）和转盘，转盘内设有刮灰板（10），转盘内置于排灰盘（9）内转动连接，排灰盘（9）上方设有若干个排灰孔并通过排灰孔与炉膛（3）内膛连通，排灰盘（9）下方设有排灰口（20）并通过排灰口（20）与外排灰管（19）连接，排灰盘（9）一侧设有从动轮与转盘传动连接，从动轮与动力轮或动力轴连接。本发明采用转盘式排灰装置刮灰渣和排灰渣，灰渣进入排灰盘后，由刮灰板把炉灰渣通过排灰口刮进外排灰管内，再进入贮灰箱。全程封闭，排灰渣效果更好。
The invention discloses a biomass gasification furnace grate ash device, which comprises a furnace (3) and a feed channel (11), and is characterized in that the bottom of the furnace (3) and the surroundings of the feed channel (11) A rotary ash discharge device is provided. The rotary ash discharge device includes an ash discharge tray (9) and a turntable. A dust scraper (10) is provided inside the turntable, and the turntable is built into the ash discharge tray (9) for rotation connection. There are several ash discharge holes above the ash tray (9) and communicate with the inner chamber of the furnace (3) through the ash discharge holes, and the ash discharge port (20) is provided below the ash discharge tray (9) and through the ash discharge port (20) It is connected with the outer ash discharge pipe (19), and a driven wheel is provided on one side of the ash discharge tray (9) to connect with the turntable, and the driven wheel is connected to the power wheel or the power shaft. The present invention adopts a rotary disc type ash discharge device to scrape and discharge ash. After the ash enters the ash discharge tray, the furnace ash is scraped by the ash scraper into the outer ash discharge pipe through the ash discharge port, and then enters the ash storage box. The whole process is closed, and the effect of ash discharge is better.
Description
技术领域 technical field
本发明属于固体燃料的家用炉或灶，涉及一种用于排除燃料热解产生的炉渣灰的排灰渣装置，特别涉及一种生物质气化炉排灰渣装置。 The invention belongs to household furnaces or stoves with solid fuels, and relates to an ash discharge device for removing slag ash produced by fuel pyrolysis, in particular to a biomass gasification furnace ash discharge device.
背景技术 Background technique
目前生物质气化炉燃料热解产生炉渣的解决办法是定期清理维护，并且碳和渣一起排出炉外，对节能指标产生影响。因此需要一种自动只排渣不排碳的装置来解决该问题。为解决这一问题，现有技术中不乏有类似问题的解决方案，如《 生物质气化炉密闭排渣装置及生物质气化反应系统》申请号201010528106.0和《一种便于清渣的生物质气化炉》申请号200820076540.8，前者利用螺旋叶片的推进力将落下的灰渣稳定地排出；后者炉排上的灰渣可靠自重沿炉条下滑并自行坠落到炉排下，不能自落的灰渣借助于活动炉排的上下往复运动下落，除渣效果好。但由于其炉膛结构和燃料进料方式及燃烧方式的不同，因此，难以推广到燃料进料方式为从下至上、燃烧方式为从上至下的生物质气化炉中。 At present, the solution to the slag generated by the fuel pyrolysis of the biomass gasifier is regular cleaning and maintenance, and the carbon and slag are discharged out of the furnace together, which has an impact on the energy-saving index. Therefore need a kind of device that only discharges slag automatically and does not discharge carbon to solve this problem. In order to solve this problem, there is no shortage of solutions to similar problems in the prior art, such as the application number 201010528106.0 of "Biomass Gasifier Closed Slagging Device and Biomass Gasification Reaction System" and "A Biomass Gasifier for Easy Slag Removal" Gasifier" application number 200820076540.8, the former uses the propulsion force of the spiral blade to discharge the falling ash stably; the latter ash on the grate slides down the grate by its own weight and falls to the bottom of the grate by itself, and cannot fall by itself The ash and slag fall down with the help of the up and down reciprocating motion of the movable grate, and the slag removal effect is good. However, due to the differences in the furnace structure, fuel feeding method and combustion method, it is difficult to extend to biomass gasifiers where the fuel feeding method is from bottom to top and the combustion method is from top to bottom.
针对于此，本发明一直致力于解决生物质气化炉排灰渣问题，如《一种全自动进料的燃烧炉及炉膛燃料进料装置》CN201110072163.7和《一种生物质燃烧炉炉头》申请号201220030705.4中涉及的排渣装置大多如此，特别是《一种生物质气化炉排渣方法及装置》CN201310301772.4，通过振动筛的振动可让细小灰末和炉渣通过大筛孔和小筛孔进入环形风道，通过切向方向鼓风，从排渣口向外排出，省去复杂的排渣机械装置。这些发明创造虽然解决了部分排灰渣问题，但其技术还需进一步改进和完善，由此可见，现有技术方案还难以满足人们的实际需要。 In view of this, the present invention has been committed to solving the problem of biomass gasification furnace grate ash, such as "A fully automatic feeding furnace and furnace fuel feeding device" CN201110072163.7 and "A Biomass Burning Furnace Most of the slag removal devices involved in the application number 201220030705.4 of "Head", especially "A Biomass Gasifier Slagging Method and Device" CN201310301772.4, through the vibration of the vibrating screen, the fine ash and slag can pass through the large sieve holes and small sieve holes into the annular air duct, blowing air in a tangential direction, and discharge it from the slag discharge port, eliminating the need for complicated slag discharge mechanical devices. Although these inventions and creations have solved the problem of partly discharging ash and slag, its technology still needs to be further improved and perfected, and thus it can be seen that the existing technical schemes are also difficult to meet people's actual needs.
发明内容 Contents of the invention
本发明目的在于进一步提供一种生物质气化炉排灰渣装置，通过采用转盘式排灰装置刮灰渣和排灰渣，以解决燃料进料方式为从下至上、燃烧方式为从上至下的生物质气化炉排灰渣问题。 The purpose of the present invention is to further provide a kind of ash discharge device for biomass gasification furnace, by adopting a rotary ash discharge device to scrape ash and ash discharge, to solve the problem that the fuel feeding method is from bottom to top and the combustion method is from top to top Under the problem of biomass gasification grate ash.
本发明目的技术方案： Technical scheme of the object of the present invention:
一种生物质气化炉排灰渣装置，它包括炉膛和进料通道，所述炉膛底部及进料通道的周围设有转盘式排灰装置，所述转盘式排灰装置包括排灰盘和转盘，转盘内设有刮灰板，转盘内置于排灰盘内转动连接，排灰盘上方设有若干个排灰孔并通过排灰孔与炉膛内膛连通，排灰盘下方设有排灰口并通过排灰口与外排灰管连接，排灰盘一侧设有从动轮与转盘传动连接，从动轮与动力轮或动力轴连接。 A biomass gasification furnace ash discharge device, which includes a furnace and a feed channel, the bottom of the furnace and around the feed channel are provided with a rotary ash discharge device, the rotary ash discharge device includes an ash discharge pan and Turntable, the turntable is equipped with a dust scraping board, the turntable is built in the ash discharge tray to rotate and connect, there are several ash discharge holes on the top of the ash discharge tray and are connected to the inner chamber of the furnace through the ash discharge holes, and the ash discharge tray is provided under the ash discharge tray. The outlet is connected to the outer ash discharge pipe through the ash discharge port, and a driven wheel is provided on one side of the ash discharge plate to connect with the turntable, and the driven wheel is connected to the power wheel or the power shaft.
优选： Preferred:
所述转盘式排灰装置上方的炉膛内设有振动筛。 A vibrating screen is arranged in the furnace above the rotary ash discharge device.
所述转盘设有外环套和内环套，外环套和内环套通过若干根辐条连接，所述辐条部分或全部设为刮灰板，所述外环套与从动轮连接，内环套与进料通道的外壁间隙配合连接或转动连接。进一步优选：所述外环套为齿轮盘或外环套外设有齿轮盘，从动轮为小齿轮，齿轮盘与小齿轮齿轮连接，小齿轮设置在排灰盘盘内一侧，小齿轮通过电动机的输出轴对外与电动机连接。 The turntable is provided with an outer ring sleeve and an inner ring sleeve, and the outer ring sleeve and the inner ring sleeve are connected by several spokes, and part or all of the spokes are set as dust scrapers, the outer ring sleeve is connected with the driven wheel, and the inner ring sleeve The sleeve is connected with the outer wall of the feed channel by gap fit or rotation. Further preferably: the outer ring cover is a gear plate or the outer ring cover is provided with a gear plate, the driven wheel is a pinion, the gear plate is connected with the pinion gear, the pinion is arranged on the inner side of the ash discharge tray, and the pinion passes through the The output shaft of the motor is externally connected with the motor.
所述外排灰管19中设有排灰阀门13，外排灰管19的出口与贮灰箱12连接。 The outer ash discharge pipe 19 is provided with an ash discharge valve 13 , and the outlet of the outer ash discharge pipe 19 is connected with the ash storage box 12 .
所述排灰盘9内置于炉膛3内底部，炉膛3内底面及上方设有的排灰板组成排灰盘9，排灰板上均匀设有若干个排灰孔，炉膛3内底部一侧开口，与从动轮外罩连接，从动轮内置于从动轮外罩中。 The ash discharge tray 9 is built in the inner bottom of the furnace 3, and the ash discharge plate 9 is formed on the inner bottom surface of the furnace 3 and above. The opening is connected with the driven wheel cover, and the driven wheel is built in the driven wheel cover.
或所述排灰盘9位置在炉膛3内底部，炉膛3内底部设有环形风道16，环形风道16的环形底板与炉膛3内底面组成排灰盘9，环形底板下方的炉膛3内底部一侧开口，与从动轮外罩连接，从动轮内置于从动轮外罩中，排灰孔的结构设计成排灰管5，环形风道16的环形底板与环形面板之间设有内排灰管5，排灰盘9与炉膛3内膛之间通过内排灰管5连通。进一步优选：所述环形风道16上方的炉膛3内壁设有振动筛21，振动筛21通过振动筛柄18与振动器17连接。所述环形风道16的环形面板上设有风管22，风管22分为高矮两种，高矮两种风管均匀交错排列，风管22的一端通过环形风道16的环形面板与环形风道16连接，另一端伸入炉膛3内部。 Or the position of the ash discharge tray 9 is at the inner bottom of the furnace 3, the inner bottom of the furnace 3 is provided with an annular air duct 16, the annular bottom plate of the annular air duct 16 and the inner bottom surface of the furnace 3 form the ash discharge tray 9, and the inner bottom of the furnace 3 below the annular base plate One side of the bottom is open, connected with the driven wheel cover, the driven wheel is built in the driven wheel cover, the structure of the ash discharge hole is designed as the ash discharge pipe 5, and the inner ash discharge pipe is provided between the annular bottom plate and the annular panel of the annular air duct 16 5. The ash discharge tray 9 communicates with the inner chamber of the furnace 3 through the inner ash discharge pipe 5 . Further preferably: the inner wall of the furnace 3 above the annular air duct 16 is provided with a vibrating screen 21 , and the vibrating screen 21 is connected to the vibrator 17 through the vibrating screen handle 18 . The annular panel of the annular air duct 16 is provided with an air duct 22, the air duct 22 is divided into two types of high and low, and the two types of high and low air ducts are evenly staggered. One end of the air duct 22 passes through the annular panel of the annular air duct 16 and the annular air Road 16 is connected, and the other end stretches into the furnace 3 inside.
本发明采用转盘式排灰装置刮灰渣和排灰渣，灰渣进入排灰盘后，由刮灰板把炉灰渣通过排灰口刮进外排灰管内，再进入贮灰箱。在该排灰渣装置中，由于较长风管穿过振动筛并与振动筛孔周围形成间隙，再加上灰渣产生在燃料底层靠近风管周围位置，所以灰渣很容易通过自身重力和振动筛的作用进入排灰盘内。排灰盘内灰渣通过机械和自身重力作用排出，排灰盘与环形风道密封，排灰渣过程对燃烧风量没影响，可边排灰渣边燃烧。利用刮灰板强制排灰渣，全程封闭，排灰渣效果更好，又不影响燃烧。 The present invention adopts a rotary disc type ash discharge device to scrape and discharge ash. After the ash enters the ash discharge tray, the furnace ash is scraped by the ash scraper into the outer ash discharge pipe through the ash discharge port, and then enters the ash storage box. In this ash discharge device, since the long air pipe passes through the vibrating screen and forms a gap with the vibrating screen hole, and the ash is generated at the bottom of the fuel near the air pipe, the ash is easy to pass through its own gravity and The action of the vibrating screen enters the ash discharge tray. The ash in the ash discharge tray is discharged through machinery and its own gravity. The ash discharge tray is sealed with the annular air duct. The ash discharge process has no effect on the combustion air volume, and it can be burned while discharging the ash. The ash scraper is used to force the ash discharge, and the whole process is closed, so the ash discharge effect is better without affecting the combustion.
附图说明 Description of drawings
图1是本发明实施例的结构示意图。 Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
图2是本发明中的排灰转盘结构示意图。 Fig. 2 is a schematic diagram of the structure of the ash discharge turntable in the present invention.
图3是本发明中的排灰口结构示意图。 Fig. 3 is a schematic diagram of the structure of the ash outlet in the present invention.
图中：燃气出口1，点火器2，炉膛3，振动筛孔4，内排灰管5，小齿轮6，电动机7，齿轮盘8，排灰盘9，刮灰板10，进料通道11，贮灰箱12，排灰阀门13，进风阀门14，进风管15，环形风道16，振动器17，振动筛柄18，外排灰管19，排灰口20，振动筛21，风管22。 In the figure: gas outlet 1, igniter 2, furnace 3, vibrating screen hole 4, inner ash discharge pipe 5, pinion 6, motor 7, gear plate 8, ash discharge plate 9, ash scraper 10, feed channel 11 , ash storage box 12, ash discharge valve 13, air intake valve 14, air intake pipe 15, annular air duct 16, vibrator 17, vibrating screen handle 18, external ash discharge pipe 19, ash discharge port 20, vibrating screen 21, Duct 22.
具体实施方式 Detailed ways
本发明可以通过发明内容中的技术方案具体实施，通过下面的实施例可以对本发明作进一步的描述，然而，本发明的范围并不限于下述实施例。 The present invention can be specifically implemented through the technical solutions in the summary of the invention, and the present invention can be further described through the following examples, however, the scope of the present invention is not limited to the following examples.
实施例1： Example 1:
图中，本实施例的排灰盘9位置在炉膛3内底部，炉膛3内底部设有环形风道16，环形风道16的环形底板与炉膛3内底面组成排灰盘9。所述环形风道16上方的炉膛3内壁设有振动筛21。 In the figure, the ash discharge tray 9 of this embodiment is located at the inner bottom of the furnace 3, and the inner bottom of the furnace 3 is provided with an annular air duct 16, and the annular bottom plate of the annular air duct 16 and the inner bottom surface of the furnace 3 form the ash discharge tray 9. The inner wall of the furnace 3 above the annular air duct 16 is provided with a vibrating screen 21 .
燃气出口1设置在炉膛3顶部，点火器2和炉膛3连接，内排灰管5两端分别连接于环形风道16的环形底板和环形面板，使炉膛3的内膛和排灰盘9互相贯通，环形风道16的环形底板与炉膛3内底面组成排灰盘9排灰位置，环形底板下方的炉膛3内底部一侧开口，与齿轮外罩连接，小齿轮6内置于齿轮外罩中，小齿轮6安装在电动机7的输出轴上并与齿轮盘8连接，电动机7与排灰盘9底板连接，进料通道11分别与排灰盘9和环形风道16连接并伸入炉膛3底部，排灰盘9的底板上径向开一长形排灰口20，外排灰管19上与排灰口20，下与排灰阀门13和贮灰箱12连接，进风管15分别与进风阀门14和环形风道16连接，振动筛柄18一端与振动器17连接，另一端穿过炉壁并与振动筛21连接，风管22分为高矮两种，高矮两种风管均匀交错排列，风管22的一端通过环形风道16的环形面板与环形风道16连接，另一端伸入炉膛3内部。 The gas outlet 1 is set on the top of the furnace 3, the igniter 2 is connected to the furnace 3, and the two ends of the inner ash discharge pipe 5 are respectively connected to the annular bottom plate and the annular panel of the annular air duct 16, so that the inner chamber of the furnace 3 and the ash discharge tray 9 are connected to each other. Through, the annular bottom plate of the annular air channel 16 and the inner bottom surface of the furnace 3 form the ash discharge position of the ash discharge tray 9, and the inner bottom of the furnace 3 under the annular bottom plate is open on one side, connected with the gear cover, and the pinion 6 is built in the gear cover. The gear 6 is installed on the output shaft of the motor 7 and connected with the gear plate 8, the motor 7 is connected with the bottom plate of the ash discharge tray 9, the feed channel 11 is respectively connected with the ash discharge tray 9 and the annular air duct 16 and extends into the bottom of the furnace 3, A long ash discharge port 20 is radially opened on the base plate of the ash discharge tray 9, and the outer ash discharge pipe 19 is connected with the ash discharge port 20 and the bottom with the ash discharge valve 13 and the ash storage box 12, and the air inlet pipe 15 is respectively connected with the ash discharge port 12. The air valve 14 is connected with the circular air duct 16, one end of the vibrating screen handle 18 is connected with the vibrator 17, the other end passes through the furnace wall and is connected with the vibrating screen 21, the air duct 22 is divided into two types, high and low, and the two types of air ducts are evenly staggered Arranged, one end of the air duct 22 is connected with the annular air duct 16 through the annular panel of the annular air duct 16, and the other end extends into the furnace 3 inside.
所述转盘设有外环套齿轮盘8和内环套，齿轮盘8和内环套通过若干根辐条连接，辐条兼作刮灰板10使用，所述齿轮盘8与小齿轮6连接，内环套与进料通道11的外壁间隙配合连接。 The turntable is provided with an outer ring cover gear plate 8 and an inner ring cover. The gear plate 8 and the inner ring cover are connected by several spokes. The sleeve is connected with the outer wall of the feeding channel 11 in a clearance fit.
使用时，燃料从进料通道11进入炉膛3，燃料达到一定容量时，进风阀门14打开，排灰阀门13关闭，电动机7关闭，振动器17关闭；通过进风管15、环形风道16和风管22对炉膛3鼓风，点火器2对燃料点火；风管22分为高矮两种，彼此均匀分布，较高的穿过振动筛伸向炉膛，较矮的在振动筛下方，使进入炉膛的风更均匀，燃烧时产生的炉渣分布更分散，有利于排渣。待气化炉进入正常工作状态时，关闭点火器2，这时气化炉处于正常连续工作状态。气化炉工作一段时间时，炉膛3内燃料底层会产生一定量的炉灰渣，会影响气化炉的正常工作，所以，需对气化炉定时排灰渣。排灰渣时，启动振动器17和电动机7，打开排灰阀门13，在炉渣自身重力作用下，炉渣通过振动筛孔4进入振动筛21底部，再通过内排灰管5进入排灰盘9，由刮灰板10把炉灰渣通过排灰口20刮进外排灰管19内，炉灰渣通过外排灰管19进入贮灰箱12。如此反复定时启动振动器17和电动机7，可使气化炉保持正常工作状态。闭火时，关闭排灰阀门13和进风阀门14。 During use, the fuel enters the furnace 3 from the feed channel 11, and when the fuel reaches a certain capacity, the air intake valve 14 is opened, the ash discharge valve 13 is closed, the motor 7 is closed, and the vibrator 17 is closed; The air duct 22 blows air to the furnace 3, and the igniter 2 ignites the fuel; the air duct 22 is divided into two types, high and short, which are evenly distributed with each other. The wind entering the furnace is more uniform, and the distribution of slag generated during combustion is more dispersed, which is beneficial to slag discharge. When the gasifier enters the normal working state, the igniter 2 is turned off, and the gasifying furnace is in the normal continuous working state at this moment. When the gasifier works for a period of time, a certain amount of ash and slag will be produced in the bottom layer of the fuel in the furnace 3, which will affect the normal operation of the gasifier. Therefore, the ash and slag must be regularly discharged to the gasifier. When discharging ash and slag, start the vibrator 17 and the motor 7, open the ash discharge valve 13, under the action of the slag's own gravity, the slag enters the bottom of the vibrating screen 21 through the vibrating screen hole 4, and then enters the ash discharge tray 9 through the inner ash discharge pipe 5 , the furnace ash is scraped into the outer ash discharge pipe 19 by the ash scraper 10 through the ash discharge port 20, and the furnace ash enters the ash storage box 12 through the outer ash discharge pipe 19. Repeatedly starting the vibrator 17 and the motor 7 regularly in this way can keep the gasifier in normal working condition. When closing the fire, close the ash discharge valve 13 and the air intake valve 14.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410016163.9A CN103789043B (en) | 2014-01-15 | 2014-01-15 | A kind of biomass gasifying furnace ash discharge slag device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410016163.9A CN103789043B (en) | 2014-01-15 | 2014-01-15 | A kind of biomass gasifying furnace ash discharge slag device |
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| CN103789043A CN103789043A (en) | 2014-05-14 |
| CN103789043B true CN103789043B (en) | 2015-10-28 |
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| CN104482564B (en) * | 2014-12-28 | 2017-03-29 | 抚州孙氏兄弟实业有限公司 | A kind of biomass gasifying furnace for being conducive to uniform air intake and ash discharge slag |
| CN111253981B (en) * | 2020-03-02 | 2021-05-21 | 刘跃伟 | Grate system of biomass gasification furnace |
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| GB398251A (en) * | 1932-07-14 | 1933-09-14 | George Herbert Bentley | Improvements in means for discharging ashes from gas producers |
| CN2301671Y (en) * | 1997-07-04 | 1998-12-23 | 高永成 | Three-return rotary disc grate and rotary disc clinker removing vertical boiler |
| CN101354145A (en) * | 2008-08-21 | 2009-01-28 | 张伟星 | Gasification combustion furnace |
| CN102071070A (en) * | 2011-01-17 | 2011-05-25 | 慕乃道 | Internal transmission furnace bottom assembly with large gear ring |
| CN202430182U (en) * | 2012-01-12 | 2012-09-12 | 无锡湖光工业炉有限公司 | Ashtray mechanism of biomass gasification furnace |
| CN103436291A (en) * | 2013-08-09 | 2013-12-11 | 张冰娃 | Biomass reacting furnace |
| CN203683484U (en) * | 2014-01-15 | 2014-07-02 | 孙吉章 | Ash discharging device of biomass gasifier |
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2014
- 2014-01-15 CN CN201410016163.9A patent/CN103789043B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB398251A (en) * | 1932-07-14 | 1933-09-14 | George Herbert Bentley | Improvements in means for discharging ashes from gas producers |
| CN2301671Y (en) * | 1997-07-04 | 1998-12-23 | 高永成 | Three-return rotary disc grate and rotary disc clinker removing vertical boiler |
| CN101354145A (en) * | 2008-08-21 | 2009-01-28 | 张伟星 | Gasification combustion furnace |
| CN102071070A (en) * | 2011-01-17 | 2011-05-25 | 慕乃道 | Internal transmission furnace bottom assembly with large gear ring |
| CN202430182U (en) * | 2012-01-12 | 2012-09-12 | 无锡湖光工业炉有限公司 | Ashtray mechanism of biomass gasification furnace |
| CN103436291A (en) * | 2013-08-09 | 2013-12-11 | 张冰娃 | Biomass reacting furnace |
| CN203683484U (en) * | 2014-01-15 | 2014-07-02 | 孙吉章 | Ash discharging device of biomass gasifier |
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