CN108017295B - Efficient white cement clinker bleaching machine - Google Patents
Efficient white cement clinker bleaching machine Download PDFInfo
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- CN108017295B CN108017295B CN201810095812.7A CN201810095812A CN108017295B CN 108017295 B CN108017295 B CN 108017295B CN 201810095812 A CN201810095812 A CN 201810095812A CN 108017295 B CN108017295 B CN 108017295B
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- 239000004568 cement Substances 0.000 title claims abstract description 28
- 238000004061 bleaching Methods 0.000 title claims abstract description 22
- 239000000498 cooling water Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 239000007921 spray Substances 0.000 claims abstract description 13
- 238000005507 spraying Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 229910001608 iron mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/47—Cooling ; Waste heat management
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/06—Spray nozzles or spray pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
Description
技术领域technical field
本发明属于白水泥加工技术领域，具体涉及一种高效的白水泥熟料漂白机。The invention belongs to the technical field of white cement processing, and in particular relates to an efficient white cement clinker bleaching machine.
背景技术Background technique
在水泥的生产过程中，为了提高水泥的白度，会采用冷却漂白的工艺，即通过水冷的方式，将产出的高温的水泥熟料迅速降温至550℃左右，使得熟料中大部分液相来不及结晶就成为玻璃体，同时冷却产生的水蒸汽使得熟料中已有的低价铁矿物不被氧化，从而达到漂白的效果。In the process of cement production, in order to improve the whiteness of cement, cooling and bleaching process is adopted, that is, through water cooling, the high temperature cement clinker produced is rapidly cooled to about 550°C, so that most of the liquid in the clinker When the phase is too late to crystallize, it becomes a glass body. At the same time, the water vapor generated by cooling prevents the existing low-priced iron minerals in the clinker from being oxidized, thereby achieving the bleaching effect.
现有的技术对熟料漂白时，冷却水无法充分全面的喷淋至水泥熟料的表面，导致高温的熟料冷却不均匀，导致水泥熟料漂白不充分；同时现有技术在漂白时，由于喷水量无法保证，导致生产的白水泥质量无法保证，即喷水过多导致水泥熟料强度降低，喷水过少影响水泥白度的提升。When the existing technology bleaches the clinker, the cooling water cannot be fully sprayed to the surface of the cement clinker, resulting in uneven cooling of the high-temperature clinker and insufficient bleaching of the cement clinker; at the same time, when the existing technology is bleaching, Due to the inability to guarantee the amount of water sprayed, the quality of the white cement produced cannot be guaranteed, that is, too much water sprayed will reduce the strength of cement clinker, and too little water sprayed will affect the improvement of cement whiteness.
发明内容Contents of the invention
本发明的目的是提供漂白效果较好的一种高效的白水泥熟料漂白机。The purpose of the present invention is to provide a high-efficiency white cement clinker bleaching machine with better bleaching effect.
本发明所提供的技术方案是：一种高效的白水泥熟料漂白机，包括有筒体和驱动装置，所述驱动装置驱动所述筒体转动，所述筒体倾斜设置；所述筒体较高的一端设置有进料口和可供收集水蒸汽的出风管，所述出风管的外端连接有抽风机，所述筒体较低的一端连接有出料道；还包括有冷却水管，所述冷却水管穿过所述出料道插入所述筒体内部；所述冷却水管位于所述筒体外侧的一端连接有可供加压供水的抽水泵，所述冷却水管位于所述筒体内侧的一端连接有可供喷水冷却的喷头，且所述喷头不少于两个；在所述冷却水管位于所述喷头的右端设置有可供控制冷却水流量的流量阀，所述筒体的内侧中段还嵌有可供检测水泥熟料的热电偶测温装置，所述热电偶测温装置的信号处理模块电性连接所述流量阀。The technical solution provided by the present invention is: a high-efficiency white cement clinker bleaching machine, including a cylinder and a driving device, the driving device drives the rotation of the cylinder, and the cylinder is inclined; the cylinder The higher end is provided with a feed inlet and an air outlet pipe for collecting water vapor, the outer end of the air outlet pipe is connected with an exhaust fan, and the lower end of the cylinder is connected with a discharge channel; it also includes A cooling water pipe, the cooling water pipe is inserted into the inside of the cylinder through the discharge channel; the end of the cooling water pipe outside the cylinder is connected with a water pump for pressurized water supply, and the cooling water pipe is located at the One end inside the cylinder body is connected with a nozzle for cooling by spraying water, and there are no less than two nozzles; a flow valve for controlling the flow of cooling water is provided at the right end of the cooling water pipe located at the nozzle, so A thermocouple temperature measuring device for detecting cement clinker is also embedded in the inner middle section of the cylinder, and the signal processing module of the thermocouple temperature measuring device is electrically connected to the flow valve.
作为本发明的一种改进，所述筒体内部位于所述热电偶测温装置的左侧设置有两块轴向对称的左挡板。As an improvement of the present invention, two axially symmetrical left baffles are arranged inside the cylinder on the left side of the thermocouple temperature measuring device.
作为本发明的一种改进，所述筒体内部位于所述热电偶测温装置的右侧设置有两块轴向对称的右挡板。As an improvement of the present invention, two axially symmetrical right baffles are arranged inside the cylinder on the right side of the thermocouple temperature measuring device.
作为本发明的一种改进，两块的所述右挡板与两块的所述左挡板呈90度设置。As an improvement of the present invention, the two right baffles and the two left baffles are arranged at 90 degrees.
作为本发明的一种改进，所述冷却水管位于所述流量阀的右侧还设置有可供进一步冷却的二次喷头，所述二次喷头通过自动控制阀连接所述冷却水管，且所述自动控制阀电性连接所述热电偶测温装置的信号处理模块。As an improvement of the present invention, the cooling water pipe is located on the right side of the flow valve and is provided with a secondary spray head for further cooling, the secondary spray head is connected to the cooling water pipe through an automatic control valve, and the The automatic control valve is electrically connected to the signal processing module of the thermocouple temperature measuring device.
作为本发明的一种改进，还包括有PLC控制器，所述PLC控制器分别电性连接所述流量阀、所述热电偶测温装置和所述自动控制阀。As an improvement of the present invention, a PLC controller is also included, and the PLC controller is electrically connected to the flow valve, the thermocouple temperature measuring device and the automatic control valve respectively.
作为本发明的一种改进，所述出风管还设有防止空气倒灌的止回阀。As an improvement of the present invention, the air outlet pipe is also provided with a check valve to prevent air from flowing backward.
有益效果：Beneficial effect:
1、本发明采用了热电偶测温装置与流量阀的结合联动，有效的提高了漂白效率，即在喷头对熟料冷却后，热电偶测温装置对冷却后的熟料进行温度检测，根据冷却的水泥熟料温度，热电偶测温装置的信息处理模块发送信号给流量阀，控制喷水量，达到充分冷却漂白的效果。1. The present invention adopts the combination of thermocouple temperature measuring device and flow valve to effectively improve the bleaching efficiency, that is, after the nozzle cools the clinker, the thermocouple temperature measuring device detects the temperature of the cooled clinker, according to For the temperature of the cooled cement clinker, the information processing module of the thermocouple temperature measuring device sends a signal to the flow valve to control the amount of water sprayed to achieve the effect of fully cooling and bleaching.
2、本发明在筒体内位于热电偶测温装置的左侧设置有两块轴向对称的左挡板，在筒体旋转过程中，两块的左挡板对熟料进行搅拌的操作，使得水泥熟料水冷充分，有效的提高漂白效率。2. In the present invention, two axially symmetrical left baffles are arranged on the left side of the thermocouple temperature measuring device in the cylinder. During the rotation of the cylinder, the two left baffles operate to stir the clinker, so that The cement clinker is fully water-cooled, effectively improving the bleaching efficiency.
3、本发明在冷却水管位于流量阀的右侧还设置有通过自动控制阀连接的二次喷头，且自动控制阀与热电偶测温装置联动，即当热电偶测温装置测得温度过高时，热电偶测温装置的信号处理模块发送信号给自动控制阀，使得自动控制阀打开，对未冷却到位的熟料进行二次冷却；同时轴对称设置在筒体内侧的右挡板在筒体旋转时，对进行二次冷却的熟料进行搅拌，使得熟料在二次冷却时充分接触冷却水，有效的提高了漂白的效果。3. In the present invention, the cooling water pipe is located on the right side of the flow valve, and a secondary spray head connected by an automatic control valve is also provided, and the automatic control valve is linked with the thermocouple temperature measuring device, that is, when the temperature measured by the thermocouple temperature measuring device is too high At the same time, the signal processing module of the thermocouple temperature measuring device sends a signal to the automatic control valve, so that the automatic control valve is opened to perform secondary cooling on the uncooled clinker; When the body is rotating, the clinker undergoing secondary cooling is stirred, so that the clinker fully contacts the cooling water during secondary cooling, which effectively improves the bleaching effect.
4、左挡板与右挡板呈90度设置的结构使得熟料在筒体内侧左右两部分搅拌时更加充分，提高了工作效率；同时PLC控制器的设置有效的提高了本发明的自动化程度，从而提高工作效率。4. The structure that the left baffle and the right baffle are set at 90 degrees makes the clinker more fully stirred in the left and right parts inside the cylinder, which improves the work efficiency; at the same time, the setting of the PLC controller effectively improves the degree of automation of the present invention , thereby improving work efficiency.
附图说明Description of drawings
图1为本发明的主视图的结构示意图；Fig. 1 is the structural representation of the front view of the present invention;
图2为本发明筒体与左挡板和右挡板的侧视结构图。Fig. 2 is a side structural view of the cylinder, the left baffle and the right baffle in the present invention.
图中1为筒体，2为驱动装置，3为进料口，4为出风管，5为抽风机，6为出料道，7为冷却水管，8为喷头，9为流量阀，10为热电偶测温装置，11为左挡板，12为右挡板，13为二次喷头，14为自动控制阀，15为PLC控制器，16为止回阀。In the figure, 1 is the cylinder, 2 is the driving device, 3 is the inlet, 4 is the air outlet pipe, 5 is the exhaust fan, 6 is the discharge channel, 7 is the cooling water pipe, 8 is the nozzle, 9 is the flow valve, 10 11 is a left baffle, 12 is a right baffle, 13 is a secondary nozzle, 14 is an automatic control valve, 15 is a PLC controller, and 16 is a check valve.
具体实施方式Detailed ways
下面结合附图进一步说明本发明的实施例。Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
如图1和图2所示，本实施例中的一种高效的白水泥熟料漂白机，包括有筒体1和驱动装置2，所述驱动装置2驱动所述筒体1转动，所述筒体1倾斜设置；所述筒体1较高的一端设置有进料口3和可供收集水蒸汽的出风管4，所述出风管4的外端连接有抽风机5，所述筒体1较低的一端连接有出料道6；还包括有冷却水管7，所述冷却水管7穿过所述出料道6插入所述筒体1内部；所述冷却水管7位于所述筒体1外侧的一端连接有可供加压供水的抽水泵，所述冷却水管7位于所述筒体1内侧的一端连接有可供喷水冷却的喷头8，且所述喷头8不少于两个；在所述冷却水管7位于所述喷头8的右端设置有可供控制冷却水流量的流量阀9，所述筒体1的内侧中段还嵌有可供检测水泥熟料的热电偶测温装置10，所述热电偶测温装置10采用现有的技术，且所述热电偶测温装置10的信号处理模块电性连接所述流量阀9。As shown in Figures 1 and 2, a high-efficiency white cement clinker bleaching machine in this embodiment includes a cylinder 1 and a driving device 2, and the driving device 2 drives the cylinder 1 to rotate, and the The cylinder body 1 is arranged obliquely; the higher end of the cylinder body 1 is provided with a feed inlet 3 and an air outlet pipe 4 for collecting water vapor, and the outer end of the air outlet pipe 4 is connected with an exhaust fan 5. The lower end of the cylinder 1 is connected with a discharge channel 6; it also includes a cooling water pipe 7, which is inserted into the cylinder 1 through the discharge channel 6; the cooling water pipe 7 is located in the One end outside the cylinder body 1 is connected with a water pump for pressurized water supply, and the end of the cooling water pipe 7 located inside the cylinder body 1 is connected with a nozzle 8 for water spray cooling, and the nozzle 8 is not less than Two; a flow valve 9 for controlling the flow of cooling water is provided at the right end of the cooling water pipe 7 located at the nozzle 8, and a thermocouple for detecting cement clinker is also embedded in the middle section of the inner side of the cylinder 1. The thermocouple temperature measuring device 10 adopts the existing technology, and the signal processing module of the thermocouple temperature measuring device 10 is electrically connected to the flow valve 9 .
本实施例中，所述筒体1内部位于所述热电偶测温装置10的左侧设置有两块轴向对称的左挡板11，所述筒体1内部位于所述热电偶测温装置10的右侧设置有两块轴向对称的右挡板12，两块的所述右挡板12与两块的所述左挡板11呈90度设置；所述冷却水管7位于所述流量阀9的右侧还设置有可供进一步冷却的二次喷头13，所述二次喷头13通过自动控制阀14连接所述冷却水管7，且所述自动控制阀14电性连接所述热电偶测温装置10的信号处理模块；还包括有PLC控制器15，所述PLC控制器15分别电性连接所述流量阀9、所述热电偶测温装置10和所述自动控制阀14；所述出风管4还设有防止空气倒灌的止回阀16。In this embodiment, two axially symmetrical left baffles 11 are arranged inside the cylinder 1 on the left side of the thermocouple temperature measuring device 10, and the inside of the cylinder 1 is located on the left side of the thermocouple temperature measuring device. The right side of 10 is provided with two axially symmetrical right baffles 12, and the two right baffles 12 and the two left baffles 11 are arranged at 90 degrees; the cooling water pipe 7 is located at the flow rate The right side of the valve 9 is also provided with a secondary spray head 13 for further cooling, the secondary spray head 13 is connected to the cooling water pipe 7 through an automatic control valve 14, and the automatic control valve 14 is electrically connected to the thermocouple The signal processing module of the temperature measuring device 10; also includes a PLC controller 15, the PLC controller 15 is electrically connected to the flow valve 9, the thermocouple temperature measuring device 10 and the automatic control valve 14; Described air duct 4 is also provided with the check valve 16 that prevents air from flowing backward.
本实施例中，本发明在工作时，通过进料口3向筒体1内通入煅烧后的水泥熟料；由于筒体1为倾斜设置，驱动装置2驱动筒体1旋转，使得进入的熟料缓慢的向右侧较低的一端滑动，同时冷却水管7由抽水泵抽水，并从喷头8处喷出，对高温的熟料进行水冷，左挡板11在筒体1滚动时对进行水冷的熟料翻动，使得冷却水充分的喷洒在熟料上，提高熟料漂白效率；经过漂白后的熟料继续下滑，在筒体1的中段接触热电偶测温装置10，热电偶测温装置10测得冷却后的熟料的温度，若温度过高，热电偶测温装置10的信号处理模块发送指令给流量阀9，增大喷头8的喷水量，同时热电偶测温装置10的信号处理模块发送指令给自动控制阀14，使得自动控制阀14打开，二次喷头13对冷却的高温熟料进行二次冷却，右挡板12的设置使得在二次冷却过程中熟料得到翻动，使得冷却水充分接触熟料，从而保证水泥熟料冷却到位；若热电偶测温装置10测得冷却的熟料温度在500℃到600℃之间，则继续保持原状态正常工作；若热电偶测温装置10测得冷却的熟料温度过低，则控制流量阀9减小流量，防止喷头8喷射过多的冷却水导致影响熟料的强度；通过热电偶测温装置10与流量阀9和自动控制阀14的联动，使得水泥熟料在水冷漂白时，能根据实际工作情况自动调整喷水量，从而提高漂白的效率。In this embodiment, when the present invention is in operation, the calcined cement clinker is passed into the barrel 1 through the feed port 3; since the barrel 1 is inclined, the driving device 2 drives the barrel 1 to rotate, so that the incoming The clinker slides slowly to the lower end on the right side, and at the same time, the cooling water pipe 7 is pumped by the water pump and sprayed out from the nozzle 8 to water-cool the high-temperature clinker. The water-cooled clinker is turned, so that the cooling water is fully sprayed on the clinker, and the clinker bleaching efficiency is improved; the clinker after bleaching continues to slide, and the thermocouple temperature measuring device 10 is contacted in the middle of the cylinder body 1, and the thermocouple temperature measurement The device 10 measures the temperature of the cooled clinker. If the temperature is too high, the signal processing module of the thermocouple temperature measuring device 10 sends an instruction to the flow valve 9 to increase the water spray volume of the nozzle 8. At the same time, the thermocouple temperature measuring device 10 The signal processing module of the signal processing module sends an instruction to the automatic control valve 14, so that the automatic control valve 14 is opened, and the secondary nozzle 13 performs secondary cooling on the cooled high-temperature clinker, and the setting of the right baffle plate 12 makes the clinker obtain Stir to make the cooling water fully contact the clinker, so as to ensure that the cement clinker is cooled in place; if the temperature of the cooled clinker measured by the thermocouple temperature measuring device 10 is between 500°C and 600°C, continue to work normally in the original state; if When the temperature of the cooled clinker measured by the thermocouple temperature measuring device 10 is too low, the flow valve 9 is controlled to reduce the flow rate, so as to prevent the nozzle 8 from spraying too much cooling water to affect the strength of the clinker; The linkage between the valve 9 and the automatic control valve 14 makes it possible to automatically adjust the amount of sprayed water according to the actual working conditions when the cement clinker is bleached by water cooling, thereby improving the bleaching efficiency.
为表述方便，本文所称的“上”、“下”、“左”、“右”、“前”、“后”等代表方向的描述与附图本身的左右方向一致，但并不对本发明的结构起限定作用；此外，本发明并不局限于上述具体实施方式，本领域技术人员还可据此做出多种变化，但任何与本发明等同或者类似的变化都应涵盖在本发明权利要求的范围内。For the convenience of expression, the descriptions of the representative directions such as "up", "down", "left", "right", "front", and "rear" in this paper are consistent with the left and right directions of the drawings themselves, but do not have any influence on the present invention. The structure plays a limiting role; in addition, the present invention is not limited to the above-mentioned specific implementation, and those skilled in the art can also make various changes accordingly, but any equivalent or similar changes to the present invention should be covered by the rights of the present invention. within the required range.
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| JP2005008443A (en) * | 2003-06-17 | 2005-01-13 | Ishikawajima Harima Heavy Ind Co Ltd | Cement clinker cooling device and its waste heat power generator |
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| CN203065359U (en) * | 2012-12-27 | 2013-07-17 | 天津水泥工业设计研究院有限公司 | White cement clinker bleaching equipment |
| CN103693871B (en) * | 2013-12-18 | 2015-06-10 | 南昌赣亨行技术开发有限公司 | White cement clinker bleaching machine |
| CN207862204U (en) * | 2018-01-31 | 2018-09-14 | 江西银杉白水泥有限公司 | A kind of efficient White cement bleaching machine |
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| CN1142471A (en) * | 1996-08-01 | 1997-02-12 | 叶树基 | New Cooling Technology of White Cement Clinker |
| JP2005008443A (en) * | 2003-06-17 | 2005-01-13 | Ishikawajima Harima Heavy Ind Co Ltd | Cement clinker cooling device and its waste heat power generator |
| DE102006026234A1 (en) * | 2006-06-06 | 2007-12-13 | Polysius Ag | Apparatus and method for cooling bulk material |
| CN103641345A (en) * | 2013-12-18 | 2014-03-19 | 南昌赣亨行技术开发有限公司 | Material-distribution type cooling process of white cement clinker |
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Denomination of invention: An efficient white cement clinker bleaching machine Granted publication date: 20230801 Pledgee: Jiangxi Anfu Rural Commercial Bank Co.,Ltd. Pledgor: Jiangxi Yinshan Supermaterial Technology Co.,Ltd. Registration number: Y2024980055006 |
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