WO2023151725A2 - 一种生物质热风炉供风机构 - Google Patents
一种生物质热风炉供风机构 Download PDFInfo
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- WO2023151725A2 WO2023151725A2 PCT/CN2023/096823 CN2023096823W WO2023151725A2 WO 2023151725 A2 WO2023151725 A2 WO 2023151725A2 CN 2023096823 W CN2023096823 W CN 2023096823W WO 2023151725 A2 WO2023151725 A2 WO 2023151725A2
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- heat exchange
- baffle
- air
- exchange box
- screw
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/33—Control of dampers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
- F24H3/08—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1877—Arrangement or mounting of combustion heating means, e.g. grates or burners
Definitions
- the invention relates to the technical field of biomass hot blast stoves, in particular to an air supply mechanism for biomass hot blast stoves.
- the biomass hot blast stove is equipped with a heat exchange box, and heat exchange tubes are distributed in the heat exchange box.
- the high-temperature flue gas generated in the combustion chamber exchanges heat with the airflow in the heat exchange box through the heat exchange tubes, thereby forming a hot air flow.
- the temperature control of the hot air flow is traditionally controlled by adding or subtracting fuel and ventilation in the combustion chamber. The temperature control reaction takes a long time and consumes a lot of energy.
- the existing heat exchange box has an air inlet on one side and an outlet on the other side. The tuyere forms convection. Affected by the flow direction, the airflow velocity in the upper and lower directions of the heat exchange box is inconsistent, resulting in low heat exchange efficiency at the bottom of the heat exchange box.
- the technical problem to be solved by the present invention is to provide a biomass hot blast stove that changes the airflow direction in the heat exchange box to perform temperature control and adjustment, so as to solve the problems raised in the above-mentioned background technology.
- a biomass hot blast stove air supply mechanism including a furnace body and a heat exchange box arranged on one side of the furnace body, the upper and lower ends of the heat exchange box are respectively equipped with The flue gas channel, between the upper and lower ends of the flue gas channel, there are heat exchange tubes for flue gas transportation.
- One side of the heat exchange box is provided with an air inlet, and the other side is provided with an air outlet.
- the air inlet passes through the wind
- a fan is connected to the outside of the tube, and the heat exchange box is provided with several wind plate mechanisms that change the direction of the airflow.
- the air plate mechanisms are installed on the heat exchange box at intervals, and the adjacent air plate mechanisms are installed in opposite directions.
- the windshield assembly for blocking the wind flow and the drive assembly for driving the windshield assembly to move up and down, the drive assembly is used to adjust the size of the windshield area and the height of the windshield of the windshield assembly.
- the windshield assembly includes a first baffle plate fixedly installed on the outer end of the drive assembly, a second baffle plate slidably installed on the first baffle plate, and a third baffle plate slidably installed on the second baffle plate
- the second baffle is provided with a first collar on the side close to the first baffle, and the second baffle is connected by lifting and sliding on the first baffle through the first collar, and the outside of the first baffle is provided with The first limit block against the first collar;
- the third baffle is provided with a second collar on the side close to the second baffle, and the third baffle is sleeved on the second baffle through the second collar
- the outer side of the second baffle is provided with a second limit block against the second collar, and the outer side of the third baffle is fixedly installed with a screw barrel, which is connected to the drive assembly through the screw barrel, thereby controlling the first Lifting of three baffles.
- the drive assembly includes a screw installed vertically in the heat exchange box, and a transmission box that drives the screw to rotate.
- One side of the screw is rotatably installed on the shaft seat of the heat exchange box, and the other side is Connected with the transmission box, the transmission box is provided with a first bevel gear fixedly connected with the screw, a second bevel gear that drives the first bevel gear to rotate, and the second bevel gear communicates with the drive motor through the transmission shaft
- the transmission connection is used to control the synchronous rotation of the screw rods on both sides of the heat exchange box to realize the lifting adjustment of the windshield assembly.
- the air inlet of the fan is externally connected with a filter, and a filter element is detachably installed on the filter, and a through hole is installed on the filter, and the filter element is inserted and installed in the through hole, so as to facilitate the later stage. Clean and replace the filter element.
- the beneficial effect of the present invention is: when the wind temperature needs to be increased, the driving motor drives the screw to rotate, and the screw drives the third baffle to move through the screw barrel, so that the wind shielding assembly is unfolded to block part of the heat exchange box , the fan blows into the heat exchange box, the air flow is restricted by the windshield assembly, and advances in an S-shaped route, thereby increasing the contact time and contact area between the air flow and the heat exchange tube, improving the heat exchange efficiency, thereby increasing the air temperature, and when it is necessary to reduce the air flow
- the third baffle can be retracted, and the air flow is guided from the air inlet to the air outlet, reducing the contact time with the heat exchange tubes and realizing the rapid adjustment of the air temperature.
- Fig. 1 is a structural representation of the present invention
- Fig. 2 is a side view structural schematic diagram of the wind plate mechanism of the present invention
- Fig. 3 is a front structural schematic view of the wind plate mechanism of the present invention.
- Figure 4 is a schematic diagram of the enlarged structure at A in Figure 2;
- Figure 5 is a schematic diagram of the enlarged structure at B in Figure 3;
- This embodiment provides an air supply mechanism for a biomass hot blast stove, including a furnace body 1 and a heat exchange box 2 arranged on one side of the furnace body 1, the upper and lower ends of the heat exchange box 2 are respectively provided with flue gas channels 21, Between the upper and lower flue gas passages 21, heat exchange tubes 22 for flue gas transportation are arranged.
- One side of the heat exchange box 2 is provided with an air inlet 23, and the other side is provided with an air outlet 24.
- the air inlet 23 A fan 3 is externally connected to the air duct, and the heat exchange box 2 is provided with several air plate mechanisms 4 for changing the direction of the airflow.
- the air plate mechanisms 4 are installed on the heat exchange box 2 at intervals, and the adjacent air plate mechanisms 4
- the installation direction is opposite, and the wind panel mechanism 4 includes a windshield assembly that blocks the wind flow and a drive assembly that drives the windshield assembly to move up and down.
- the drive assembly is used to adjust the size of the windshield area of the windshield assembly and the height of the windshield.
- the windshield assembly includes a first baffle 41 fixedly installed on the outer end of the drive assembly, a second baffle 42 slidably installed on the first baffle 41 , a third baffle 42 slidably installed on the second baffle 42
- the baffle 43, the second baffle 42 is provided with a first collar 44 on the side close to the first baffle 41, and the second baffle 42 is sleeved on the first baffle 41 through the first collar 44 to lift and slide to connect , the outside of the first baffle 41 is provided with a first stop 45 against the first collar 44;
- the third baffle 43 is provided with a second collar 46 near the second baffle 42, and the third baffle 43
- the plate 43 is sleeved on the second baffle 42 through the second collar 46 and is slidably connected.
- the second baffle 42 is provided with a second limiter 47 against the second collar 46.
- the third baffle 43 A screw barrel 48 is fixedly installed on the outer side of the screw barrel 48, and is connected with the driving assembly through the screw barrel 48, so as to control the lifting of the third baffle plate 43. Specifically, the driving assembly drives the third baffle 43 to move up and down through the screw barrel 48.
- the driving assembly includes a screw 51 installed vertically in the heat exchange box 2, and a transmission box 52 for driving the screw 51 to rotate.
- the other side is connected with the transmission box 52, and the first bevel gear 53 fixedly connected with the screw rod 51, the second bevel gear 54 that drives the first bevel gear 53 to rotate, and the second bevel gear 54 are arranged in the transmission box 52.
- the bevel gear 54 is connected with the driving motor 5 through the transmission shaft 55 to control the synchronous rotation of the screw rods 51 on both sides of the heat exchange box 2 to realize the lifting adjustment of the windshield assembly.
- the air inlet of the fan 3 is externally connected with a filter 31, and a filter element 32 is detachably installed on the filter 31, and a through hole is installed on the filter 31, and the filter element 32 is inserted and installed in the through hole. In order to facilitate the cleaning and replacement of the filter element later.
- the working principle of the present invention is as follows: when the wind temperature needs to be increased, the driving motor 5 drives the screw 51 to rotate, and the screw 51 drives the third baffle 43 to move through the screw barrel 48, so that the windshield assembly is unfolded to block part of the heat exchange box 2, The fan 3 blows air into the heat exchange box 2, and the air flow is restricted by the windshield assembly, and advances in an S-shaped route, thereby increasing the contact time and contact area between the air flow and the heat exchange tube 22, improving the heat exchange efficiency, and thereby increasing the air temperature.
- the third baffle plate 43 can be retracted, and the air flow is guided from the air inlet to the air outlet, thereby reducing the contact time with the heat exchange tube 22 and realizing rapid adjustment of the air temperature.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Air Supply (AREA)
- Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
Abstract
本发明提供一种生物质热风炉供风机构，包括炉体及设置在炉体一侧的换热箱，所述换热箱的上下端分别设有烟气通道，上下端烟气通道之间分布设有进行烟气输送的换热管，所述换热箱的一侧设有进气口，另一侧设有出气口，进气口通过风管外接有风机。当需要提高风温时，驱动电机带动螺杆旋转，螺杆通过螺筒带动第三挡板移动，使挡风组件展开，挡住换热箱部分区域，风机向换热箱内吹风，风流经过挡风组件限制，以S形路线前进，从而增加风流与换热管的接触时间和接触面积，提高热交换效率，从而提高风温，当需要降低风温时，可以收起第三挡板，风流从进风口导入出风口，降低与换热管的接触时间，实现对风温的快速调节。
Description
本发明涉及生物质热风炉技术领域，具体为一种生物质热风炉供风机构。
生物质热风炉设有换热箱，换热箱内分布设有换热管，燃烧室产生的高温烟气经过换热管与换热箱内的气流进行换热，从而形成热气流。热气流的温度调控，传统是通过燃烧室添减燃料和通气进行控制，温控反应时长较大，能源消耗较大，且现有换热箱一侧设有进风口，另一侧设有出风口，形成对流，受流向影响，换热箱上下方向的气流流速不一致，导致换热箱底部换热效率低。
本发明所解决的技术问题在于提供一种改变换热箱中的气流流向，从而进行温控调节的生物质热风炉，以解决上述背景技术中提出的问题。
本发明所解决的技术问题采用以下技术方案来实现：一种生物质热风炉供风机构，包括炉体及设置在炉体一侧的换热箱，所述换热箱的上下端分别设有烟气通道，上下端烟气通道之间分布设有进行烟气输送的换热管，所述换热箱的一侧设有进气口，另一侧设有出气口，进气口通过风管外接有风机，所述换热箱内设有若干个改变气流流向的风板机构，所述风板机构间隔安装在换热箱上，相邻的风板机构安装方向相反，风板机构包括挡住风流的挡风组件及驱动挡风组件升降移动的驱动组件，驱动组件用于调节挡风组件挡风面积的大小和挡风的高度。
作为本发明进一步方案：所述挡风组件包括固定安装在驱动组件外端的第一挡板、滑动安装在第一挡板上的第二挡板、滑动安装在第二挡板上的第三挡板，所述第二挡板靠近第一挡板一侧设有第一套环，第二挡板通过第一套环套设在第一挡板上升降滑动连接，第一挡板外侧设有抵住第一套环的第一限位块；所述第三挡板靠近第二挡板一侧设有第二套环，第三挡板通过第二套环套设在第二挡板上滑动连接，第二挡板外侧设有抵住第二套环的第二限位块，所述第三挡板的外侧固定安装有螺筒，并通过螺筒与驱动组件传动连接，从而控制第三挡板的升降。
作为本发明进一步方案：所述驱动组件包括竖向安装在换热箱内的螺杆、驱动螺杆旋转的传动箱，所述螺杆的一侧转动安装在换热箱对于的轴座上，另一侧与传动箱连接，所述传动箱内设有与螺杆固定连接的第一锥形齿轮、驱动第一锥形齿轮旋转的第二锥形齿轮，所述第二锥形齿轮通过传动轴与驱动电机传动连接，以控制换热箱两侧螺杆的同步转动，实现挡风组件的升降调节。
作为本发明进一步方案：所述风机的进风口外接有过滤器，过滤器上可拆卸安装有过滤芯，所述过滤器上安装有通孔，过滤芯插设安装在通孔内，以便于后期对过滤芯清理更换。
与现有技术相比，本发明的有益效果是：当需要提高风温时，驱动电机带动螺杆旋转，螺杆通过螺筒带动第三挡板移动，使挡风组件展开，挡住换热箱部分区域，风机向换热箱内吹风，风流经过挡风组件限制，以S形路线前进，从而增加风流与换热管的接触时间和接触面积，提高热交换效率，从而提高风温，当需要降低风温时，可以收起第三挡板，风流从进风口导入出风口，降低与换热管的接触时间，实现对风温的快速调节。
图1为本发明的结构示意图；
图2为本发明的风板机构侧视结构示意图；
图3为本发明的风板机构正视结构示意图；
图4为图2中A处放大结构示意图；
图5为图3中B处放大结构示意图；
图中标识：1、炉体；2、换热箱；3、风机；4、风板机构；5、驱动电机；21、烟气通道；22、换热管；23、进气口；24、出气口；31、过滤器；32、过滤芯；41、第一挡板；42、第二挡板；43、第三挡板；44、第一套环；45、第一限位块；46、第二套环；47、第二限位块；48、螺筒；51、螺杆；52、传动箱；53、第一锥形齿轮；54、第二锥形齿轮；55、传动轴。
为了使本发明的实现技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体图示，进一步阐述本发明。
如图1～5所示，
本实施例提供了一种生物质热风炉供风机构，包括炉体1及设置在炉体1一侧的换热箱2，所述换热箱2的上下端分别设有烟气通道21，上下端烟气通道21之间分布设有进行烟气输送的换热管22，所述换热箱2的一侧设有进气口23，另一侧设有出气口24，进气口23通过风管外接有风机3，所述换热箱2内设有若干个改变气流流向的风板机构4，所述风板机构4间隔安装在换热箱2上，相邻的风板机构4安装方向相反，风板机构4包括挡住风流的挡风组件及驱动挡风组件升降移动的驱动组件，驱动组件用于调节挡风组件挡风面积的大小和挡风的高度。
本实施例中，挡风组件包括固定安装在驱动组件外端的第一挡板41、滑动安装在第一挡板41上的第二挡板42、滑动安装在第二挡板42上的第三挡板43，所述第二挡板42靠近第一挡板41一侧设有第一套环44，第二挡板42通过第一套环44套设在第一挡板41上升降滑动连接，第一挡板41外侧设有抵住第一套环44的第一限位块45；所述第三挡板43靠近第二挡板42一侧设有第二套环46，第三挡板43通过第二套环46套设在第二挡板42上滑动连接，第二挡板42外侧设有抵住第二套环46的第二限位块47，所述第三挡板43的外侧固定安装有螺筒48，并通过螺筒48与驱动组件传动连接，从而控制第三挡板43的升降。具体的，驱动组件通过螺筒48带动第三挡板43升降移动，当风板机构4正向安装，第三挡板43位于第二挡板42下端时，第三挡板43向上移动时，第三挡板43逐渐与第二挡板42堆叠设置，直到螺筒48抵住第二挡板42的底部，带动第二挡板42向上移动，直到与第一挡板41堆叠；当板机构反向安装，第三挡板43位于第二挡板42上端是，第三挡板43向上移动，第二套环46通过第二限位块47带动第二挡板42向上移动，实现挡风区域的折叠调节。
本实施例中，驱动组件包括竖向安装在换热箱2内的螺杆51、驱动螺杆51旋转的传动箱52，所述螺杆51的一侧转动安装在换热箱2对于的轴座上，另一侧与传动箱52连接，所述传动箱52内设有与螺杆51固定连接的第一锥形齿轮53、驱动第一锥形齿轮53旋转的第二锥形齿轮54，所述第二锥形齿轮54通过传动轴55与驱动电机5传动连接，以控制换热箱2两侧螺杆51的同步转动，实现挡风组件的升降调节。
本实施例中，风机3的进风口外接有过滤器31，过滤器31上可拆卸安装有过滤芯32，所述过滤器31上安装有通孔，过滤芯32插设安装在通孔内，以便于后期对过滤芯清理更换。
本发明的工作原理为：当需要提高风温时，驱动电机5带动螺杆51旋转，螺杆51通过螺筒48带动第三挡板43移动，使挡风组件展开，挡住换热箱2部分区域，风机3向换热箱2内吹风，风流经过挡风组件限制，以S形路线前进，从而增加风流与换热管22的接触时间和接触面积，提高热交换效率，从而提高风温，当需要降低风温时，可以收起第三挡板43，风流从进风口导入出风口，降低与换热管22的接触时间，实现对风温的快速调节。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明的要求保护范围由所附的权利要求书及其等效物界定。需要说明的是，在本文中，如若存在第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
Claims (4)
- 一种生物质热风炉供风机构，包括炉体及设置在炉体一侧的换热箱，所述换热箱的上下端分别设有烟气通道，上下端烟气通道之间分布设有进行烟气输送的换热管，所述换热箱的一侧设有进气口，另一侧设有出气口，其特征在于：进气口通过风管外接有风机，所述换热箱内设有若干个改变气流流向的风板机构，所述风板机构间隔安装在换热箱上，相邻的风板机构安装方向相反，风板机构包括挡住风流的挡风组件及驱动挡风组件升降移动的驱动组件，驱动组件用于调节挡风组件挡风面积的大小和挡风的高度。
- 根据权利要求1所述的一种生物质热风炉供风机构，其特征在于：所述挡风组件包括固定安装在驱动组件外端的第一挡板、滑动安装在第一挡板上的第二挡板、滑动安装在第二挡板上的第三挡板，所述第二挡板靠近第一挡板一侧设有第一套环，第二挡板通过第一套环套设在第一挡板上升降滑动连接，第一挡板外侧设有抵住第一套环的第一限位块；所述第三挡板靠近第二挡板一侧设有第二套环，第三挡板通过第二套环套设在第二挡板上滑动连接，第二挡板外侧设有抵住第二套环的第二限位块，所述第三挡板的外侧固定安装有螺筒，并通过螺筒与驱动组件传动连接，从而控制第三挡板的升降。
- 根据权利要求2所述的一种生物质热风炉供风机构，其特征在于：所述驱动组件包括竖向安装在换热箱内的螺杆、驱动螺杆旋转的传动箱，所述螺杆的一侧转动安装在换热箱对于的轴座上，另一侧与传动箱连接，所述传动箱内设有与螺杆固定连接的第一锥形齿轮、驱动第一锥形齿轮旋转的第二锥形齿轮，所述第二锥形齿轮通过传动轴与驱动电机传动连接，以控制换热箱两侧螺杆的同步转动，实现挡风组件的升降调节。
- 根据权利要求1所述的一种生物质热风炉供风机构，其特征在于：所述风机的进风口外接有过滤器，过滤器上可拆卸安装有过滤芯，所述过滤器上安装有通孔，过滤芯插设安装在通孔内。
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| CN218781437U (zh) * | 2022-11-03 | 2023-03-31 | 安徽谷源热能科技有限公司 | 一种生物质热风炉供风机构 |
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