CN102095007B - Air volume control valve for cement clinker cooling machine - Google Patents
Air volume control valve for cement clinker cooling machine Download PDFInfo
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- CN102095007B CN102095007B CN 201010622382 CN201010622382A CN102095007B CN 102095007 B CN102095007 B CN 102095007B CN 201010622382 CN201010622382 CN 201010622382 CN 201010622382 A CN201010622382 A CN 201010622382A CN 102095007 B CN102095007 B CN 102095007B
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- air volume
- cement clinker
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- manual adjustment
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- 239000004568 cement Substances 0.000 title claims abstract description 32
- 238000001816 cooling Methods 0.000 title abstract description 17
- 230000000903 blocking effect Effects 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
本发明涉及水泥熟料冷却技术领域，具体是提供一种水泥熟料冷却机用风量控制阀。其结构包括阀体外壳，所述阀体外壳的进风口处活动设置有手动调节板，所述手动调节板上方的出风口处设置有与所述手动调节板的上壁相配合的气流调节机构，所述气流调节机构用于根据进风口处的风量自动调节出风口大小。与现有技术相比，本发明的水泥熟料冷却机用风量控制阀，其既可以减少电能的消耗，有效的节约资源，同时降低生产成本，提高水泥熟料的质量。
The invention relates to the technical field of cement clinker cooling, and in particular provides an air volume control valve for a cement clinker cooler. Its structure includes a valve body shell, the air inlet of the valve body shell is movably provided with a manual adjustment plate, and the air outlet above the manual adjustment plate is provided with an airflow adjustment mechanism that matches the upper wall of the manual adjustment plate , the airflow adjustment mechanism is used to automatically adjust the size of the air outlet according to the air volume at the air inlet. Compared with the prior art, the air volume control valve for cement clinker cooler of the present invention can not only reduce the consumption of electric energy, effectively save resources, but also reduce production costs and improve the quality of cement clinker.
Description
技术领域 technical field
本发明涉及水泥熟料冷却技术领域，具体是提供一种水泥熟料冷却机用风量控制阀。The invention relates to the technical field of cement clinker cooling, and in particular provides an air volume control valve for a cement clinker cooler.
背景技术 Background technique
在水泥生产线上，水泥熟料冷却机是关键的设备，从窑头卸下的水泥熟料温度为1370℃，通过冷却机后，熟料的温度降到环境温度+65℃，而冷却介质就是风机吹入的冷空气。由于熟料在运动过程中，厚薄不均，厚的地方风阻大，需要较大的风量；薄的地方风阻小，而大量的风在此不需要的地方流失，就出现了风机配置动力较大，而水泥熟料冷却不均的情况，这不但浪费了大量风能，而且不能对水泥熟料进行充分均匀的冷却。In the cement production line, the cement clinker cooler is the key equipment. The temperature of the cement clinker unloaded from the kiln head is 1370°C. After passing through the cooler, the temperature of the clinker drops to the ambient temperature +65°C, and the cooling medium is Cool air blown by a fan. Due to the uneven thickness of the clinker during the movement, the wind resistance in the thick place is large, and a large air volume is required; the wind resistance in the thin place is small, and a large amount of wind is lost in the unnecessary place, so the power of the fan configuration is large. , and the uneven cooling of the cement clinker not only wastes a lot of wind energy, but also cannot fully and uniformly cool the cement clinker.
发明内容 Contents of the invention
本发明是针对以上问题，提供一种能够自动调整风量的水泥熟料冷却机用风量控制阀。The present invention aims at the above problems and provides an air volume control valve for a cement clinker cooler capable of automatically adjusting the air volume.
本发明解决其技术问题所采用的技术方案是：The technical solution adopted by the present invention to solve its technical problems is:
一种水泥熟料冷却机用风量控制阀，包括阀体外壳，所述阀体外壳的进风口处活动设置有手动调节板，所述手动调节板上方的出风口处设置有与所述手动调节板的上壁相配合的气流调节机构，所述气流调节机构用于根据进风口处的风量自动调节出风口大小。An air volume control valve for a cement clinker cooler, comprising a valve body casing, a manual adjustment plate is movably arranged at the air inlet of the valve body casing, and a manual adjustment plate is arranged at the air outlet above the manual adjustment plate. The upper wall of the board is matched with an airflow adjustment mechanism, and the airflow adjustment mechanism is used to automatically adjust the size of the air outlet according to the air volume at the air inlet.
手动调节板为人字形，并插嵌于所述阀体外壳的进风口处。The manual adjustment plate is herringbone and inserted into the air inlet of the valve body shell.
气流调节机构由气流阻挡板、轴和弹簧构成，所述气流阻挡板上部通过轴铰接于阀体外壳上，轴上设置有弹簧，所述气流阻挡板的下端与手动调节板的上壁相配合。The airflow adjustment mechanism is composed of an airflow blocking plate, a shaft and a spring. The upper part of the airflow blocking plate is hinged on the valve body shell through a shaft, and a spring is arranged on the shaft. The lower end of the airflow blocking plate matches the upper wall of the manual adjustment plate. .
本发明的水泥熟料冷却机用风量控制阀，其可以根据熟料层的厚度变化，自动调整风量，而适应熟料冷却的要求。The air volume control valve for the cement clinker cooler of the present invention can automatically adjust the air volume according to the thickness change of the clinker layer, so as to meet the requirements of clinker cooling.
本发明的水泥熟料冷却机用风量控制阀为纯机械开关控制装置，所以不需要电或者其他动力驱动，它的工作原理是通过孔的气流压降，在实际生产中，还可以通过调节空气总量的调节开度，使篦床的通风均匀，从而满足水泥熟料的冷却需求。The air volume control valve for the cement clinker cooler of the present invention is a purely mechanical switch control device, so it does not need electricity or other power drives. Its working principle is the pressure drop of the air flow through the hole. The opening of the total amount is adjusted to make the ventilation of the grate bed uniform, so as to meet the cooling demand of cement clinker.
本发明的水泥熟料冷却机用风量控制阀，其既可以减少电能的消耗，有效的节约资源，同时降低生产成本，提高水泥熟料的质量。The air volume control valve for the cement clinker cooler of the present invention can not only reduce the consumption of electric energy, effectively save resources, but also reduce the production cost and improve the quality of cement clinker.
附图说明 Description of drawings
图1是本发明的水泥熟料冷却机用风量控制阀的立体结构示意图；Fig. 1 is the three-dimensional structure schematic diagram of air volume control valve of cement clinker cooler of the present invention;
图2是本发明的水泥熟料冷却机用风量控制阀的另一个立体结构示意图；Fig. 2 is another three-dimensional structure schematic diagram of the air volume control valve for cement clinker cooler of the present invention;
图3是本发明的水泥熟料冷却机用风量控制阀的内部结构示意图。Fig. 3 is a schematic diagram of the internal structure of the air volume control valve for the cement clinker cooler of the present invention.
具体实施方式 Detailed ways
下面结合附图和具体实施例对本发明的水泥熟料冷却机用风量控制阀作进一步的描述。The air volume control valve for the cement clinker cooler of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
如图1-3所示，一种水泥熟料冷却机用风量控制阀，包括阀体外壳1，所述阀体外壳1的进风口2处活动设置有手动调节板3，所述手动调节板3上方的出风口4处设置有与所述手动调节板3的上壁相配合的气流调节机构，所述气流调节机构用于根据进风口2处的风量自动调节出风口4大小。As shown in Figure 1-3, an air volume control valve for a cement clinker cooler includes a
如附图3所示，本实施例中，手动调节板3为人字形，其插嵌于所述阀体外壳1的进风口2处。As shown in FIG. 3 , in this embodiment, the
本实施例中，气流调节机构由气流阻挡板5、轴6和弹簧7构成，所述气流阻挡板5上部通过轴6铰接于阀体外壳1上，轴6上设置有弹簧7，所述气流阻挡板4的下端与手动调节板3的上壁相配合。In this embodiment, the airflow regulating mechanism is composed of an
本发明的水泥熟料冷却机用风量控制阀涉及的理论依据：The theoretical basis involved in the air volume control valve for cement clinker cooler of the present invention:
Dp＝V2r/2g＝(Q/A)2r/2gDp＝V 2 r/2g＝(Q/A) 2 r/2g
其中：Dp——通过篦板及风量控制阀的压降；Among them: Dp——the pressure drop through the grate plate and the air volume control valve;
V——篦缝风速；V - grate slit wind speed;
A——通风面积；A——ventilation area;
Q——单位面积冷却风量；Q——Cooling air volume per unit area;
r，g——均为常数。r, g——are constants.
所以Q与A×Dp1/2成正比例关系。So Q is directly proportional to A×Dp1/2.
由上面公式可以看出，要获得一定的冷却风量，与篦床的通风面积有关。对于带风量控制阀的篦板来说，篦板通风面积是固定的，因此冷却风量与风量控制阀的通风面积有关。由图1、2、3可以看出本发明的水泥熟料冷却机用风量控制阀的通风面积既可通过手动改变大小，又能根据气流压降自动调整大小。当篦床上熟料层阻力较大、冷却风较小时，气流阻挡板5自动向下旋转，使篦床阻力下降，使冷却风量增大；而当篦床上熟料层阻力较小、冷却风较大时，气流阻挡板5自动向上旋转，使篦床阻力上升，使冷却风量减小，从而达到冷却风量恒定。It can be seen from the above formula that to obtain a certain cooling air volume is related to the ventilation area of the grate bed. For the grate plate with air volume control valve, the ventilation area of the grate plate is fixed, so the cooling air volume is related to the ventilation area of the air volume control valve. From Figures 1, 2, and 3, it can be seen that the ventilation area of the air volume control valve for cement clinker cooler of the present invention can be changed manually or automatically adjusted according to the pressure drop of the air flow. When the resistance of the clinker layer on the grate bed is relatively large and the cooling wind is small, the air
根据篦板阻力对空气分配作用关系如下式：According to the relationship between grate plate resistance and air distribution, the following formula is as follows:
Vg/Vf＝(Rf+Rr)/(Rg+Rr)Vg/Vf＝(Rf+Rr)/(Rg+Rr)
其中：Rg——粗粒阻力；Among them: Rg—coarse grain resistance;
Rf——细粒阻力；Rf——fine particle resistance;
Vf——通过细粒冷却风风速；Vf - the wind speed of the cooling wind passing through the fine particles;
Vg——通过粗粒冷却风风速；Vg——the wind speed of the cooling wind passing through the coarse particles;
Rr——篦板阻力。Rr——resistance of grate plate.
对于新式篦冷机来说：(阻力单位：mmH2O)For the new grate cooler: (resistance unit: mmH 2 O)
Vg/Vf＝(Rf+Rr)/(Rg+Rr)Vg/Vf＝(Rf+Rr)/(Rg+Rr)
＝(500+100)/(200+400)＝1/1=(500+100)/(200+400)=1/1
其中：风量控制阀的阻力为Rr，Rr可以在0～400mmH2O之间自动变化，而且是根据熟料层进行补偿。通过阻力的变化可以调节粗料侧和细料侧的阻力比，使得熟料层加篦板阻力和维持恒定，达到冷却空气在料层上均匀分配的最佳状态。Among them: the resistance of the air volume control valve is Rr, Rr can be automatically changed between 0 ~ 400mmH 2 O, and it is compensated according to the clinker layer. The resistance ratio between the coarse material side and the fine material side can be adjusted through the change of resistance, so that the resistance of the clinker layer and grate plate remains constant, and the best state of cooling air evenly distributed on the material layer is achieved.
在活动篦板部分，每个篦板下部都配有发明的水泥熟料冷却机用风量控制阀，入口固定端也布满了发明的水泥熟料冷却机用风量控制阀。In the movable grate plate part, the lower part of each grate plate is equipped with the invented air volume control valve for cement clinker cooler, and the fixed inlet is also covered with the invented air volume control valve for cement clinker cooler.
发明的水泥熟料冷却机用风量控制阀是一个机械开关控制装置，所以不需要电或者其他动力驱动，它的工作原理是通过孔的气流压降。The air volume control valve for cement clinker cooler invented is a mechanical switch control device, so it does not need electricity or other power drives, and its working principle is the airflow pressure drop through the hole.
在实际生产中，还可以通过调节手动调节板3的开度，使篦床的通风均匀，以满足水泥熟料的冷却需求。In actual production, it is also possible to manually adjust the opening of the
以上所述的实施例，只是本发明较优选的具体实施方式的一种，本领域的技术人员在本发明技术方案范围内进行的通常变化和替换都应包含在本发明的保护范围内。The embodiments described above are only one of the more preferred specific implementations of the present invention, and the usual changes and replacements performed by those skilled in the art within the scope of the technical solutions of the present invention should be included in the protection scope of the present invention.
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| CN 201010622382 CN102095007B (en) | 2010-12-28 | 2010-12-28 | Air volume control valve for cement clinker cooling machine |
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| CN 201010622382 CN102095007B (en) | 2010-12-28 | 2010-12-28 | Air volume control valve for cement clinker cooling machine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102305302B (en) * | 2011-10-12 | 2013-01-16 | 南京圣火水泥新技术工程有限公司 | Automatic flow regulating valve for grate cooler |
| CN107420599B (en) * | 2017-08-22 | 2023-06-16 | 南京西普国际工程有限公司 | Air control valve |
| CN110094794A (en) * | 2019-05-16 | 2019-08-06 | 荆门市合方越达电子科技有限公司 | A kind of heating plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1209982A1 (en) * | 1984-08-28 | 1986-02-07 | Предприятие П/Я В-8534 | Safety valve |
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| CN2739177Y (en) * | 2004-04-06 | 2005-11-09 | 唐山冀东水泥股份有限公司 | Side-air controlled air resistance regulating valve for cement clinker cooling machine |
| US20060076527A1 (en) * | 2004-10-08 | 2006-04-13 | I-Con Systems, Inc. | Diaphragm valve with mechanical pressure relief |
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| CN101173723A (en) * | 2007-09-24 | 2008-05-07 | 天津菲斯特机械设备有限公司 | Wind control valve of cement clinker cooler |
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