CN101716540B - Method for reducing temperature in tube mill by spraying - Google Patents
Method for reducing temperature in tube mill by spraying Download PDFInfo
- Publication number
- CN101716540B CN101716540B CN2009102733701A CN200910273370A CN101716540B CN 101716540 B CN101716540 B CN 101716540B CN 2009102733701 A CN2009102733701 A CN 2009102733701A CN 200910273370 A CN200910273370 A CN 200910273370A CN 101716540 B CN101716540 B CN 101716540B
- Authority
- CN
- China
- Prior art keywords
- mill
- temperature
- bistrique
- magnetic valve
- tail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Crushing And Grinding (AREA)
Abstract
The invention relates to a method for reducing temperature in a tube mill by spraying, which is characterized in that: a temperature sensor is arranged in a material delivery device at the grinding tail of the tube mill; water spraying pipes at the grinding head and at the grinding tail are both provided with a first electromagnetic valve, high-pressure air tubes at the grinding head and at the grinding tail are both provided with a second electromagnetic valve, and low pressure air tubes at the grinding head and at the grinding tail are both provided with a third electromagnetic valve; input ends of the first, second and third electromagnetic valves are connected with a control signal output end of a central control system respectively; the material temperature is reduced by spraying water; the on and off of the electromagnetic valve are controlled according to the temperature of the material at the grinding tail of the tube mill in real time; and the mode of water spraying (atomization) and the water quantity are determined according to the rise and reduction trends in the controlled temperature range. The invention can effectively control the temperature in the tube mill, and effectively reduce the temperature in the tube mill to improve the working efficiency and the product quality of the whole grinding system and reduce the energy consumption of grinding.
Description
Technical field
The invention belongs to technical field of powder engineering, be specifically related to a kind of method of reducing temperature in tube mill by spraying.
Background technology
Tube mill is one of the widest mill types of the present scope of application.In tube mill running production process, because effects such as the impact grinding of steel ball, grinding can cause the rising of temperature in the mill, sometimes even up to more than 130～140 ℃.The rising of temperature has considerable influence to the mill efficiency of grinding machine in the mill: temperature of charge is high can to aggravate the Electrostatic Absorption phenomenon between the material fine particle, reduces mill efficiency; Some composition in the material, the gypsum that adds during like pulverizing cement can take place to decompose and generate semi-hydrated gypsum, cause cement false set to occur, influence cement quality.Therefore, the temperature of effectively regulating and controlling in the grinding machine is significant for improving tube mill mill efficiency and product quality.In grinding process, bistrique (or/and mill tail) water spray (mist) is one of interior falling temperature technique measure of mill comparatively commonly used.But; The control present situation of existing tube mill mill internal spraying cooling measure is: when mill running; The grinding machine operating personnel predict temperature in the mill according to the TEMP instrument that is located at bistrique (tail); And regulate the sparge pipe valve size according to experience and control the injection flow rate size, thereby the temperature in the grinding machine is regulated and control.This control method does not have real-time and continuity, temperature controlling in grinding is existed the shortcoming of hysteresis quality: the one, possibly make temperature still too high (when injection flow rate is on the low side) in the mill, and influence mill grinding efficiency and product quality; The 2nd, make humidity of materials excessive (when injection flow rate is too high) in the mill, because of partial material conglomeration bonding reduces mill efficiency.
Summary of the invention
The object of the present invention is to provide a kind of method of reducing temperature in tube mill by spraying, it is the interior temperature of control valve grinding machine effectively.
To achieve these goals; Technical scheme of the present invention is: a kind of method of reducing temperature in tube mill by spraying; It is characterized in that: in the device for transporting objects of the mill tail of tube mill, temperature sensor is set, the output of temperature sensor is linked to each other with the signal input part of central control system by holding wire; In the bistrique of tube mill, the mill tail shower nozzle is set all; The shower nozzle of bistrique is connected with the sparge pipe of bistrique, the high-pressure air pipe of bistrique, the low pressure tracheae of bistrique respectively; The shower nozzle of mill tail is connected with the sparge pipe of mill tail, the high-pressure air pipe of mill tail, the low pressure tracheae of mill tail respectively; On the sparge pipe of the sparge pipe of bistrique, mill tail first magnetic valve is set all; On the high-pressure air pipe of the high-pressure air pipe of bistrique, mill tail second magnetic valve is set all, on the low pressure tracheae of the low pressure tracheae of bistrique, mill tail the 3rd magnetic valve is set all; The input of first magnetic valve, second magnetic valve, the 3rd magnetic valve is linked to each other with the control signal output of central control system respectively by control line;
The temperature transducer of the mill tail through tube mill predicts in the mill temperature and imports central control system; When temperature is higher than temperature first higher limit that is provided with according to manufacturing technique requirent in the mill; First magnetic valve on the sparge pipe of central control system control mill tail is opened; Second magnetic valve on the high-pressure air pipe of central control system control mill tail is opened; Adopt 1 shower nozzle to grinding interior water spray (mist) cooling: temperature is higher than temperature first higher limit that is provided with according to manufacturing technique requirent in mill, and temperature is when continuing to be increased to temperature second higher limit, first magnetic valve unlatching on the sparge pipe of central control system control bistrique; Second magnetic valve on the high-pressure air pipe of central control system control bistrique is opened, and adopts 2 shower nozzles to grinding interior water spray (mist) cooling:
When temperature is reduced to temperature control one lower limit that is provided with according to manufacturing technique requirent in the mill; First closed electromagnetic valve on the sparge pipe of central control system control bistrique; Second closed electromagnetic valve on the high-pressure air pipe of central control system control bistrique, the shower nozzle of bistrique stop grinding interior water spray (mist) cooling; The 3rd magnetic valve on the low pressure tracheae of central control system control bistrique is opened; When temperature is reduced to temperature second lower limit that is provided with according to manufacturing technique requirent in the mill (temperature second lower limit is lower than temperature control one lower limit); First closed electromagnetic valve on the sparge pipe of central control system control mill tail; Second closed electromagnetic valve of the high-pressure air pipe of central control system control mill tail, all (being the shower nozzle of bistrique and the shower nozzle of mill tail) stops grinding interior water spray (mist) cooling; The 3rd magnetic valve on the low pressure tracheae of central control system control mill tail is opened [low pressure gas is opened, and guarantees that shower nozzle (nozzle) does not stop up]; As shutting down, the 3rd magnetic valve time-delay on the low pressure tracheae of the low pressure tracheae of bistrique, mill tail closes after 20 minutes that (low-pressure air will be closed after will delaying time 20 minutes; The 3rd magnetic valve time-delay on the low pressure tracheae of mill tail was closed after 20 minutes, or the 3rd magnetic valve time-delay on the low pressure tracheae of the low pressure tracheae of bistrique and mill tail was closed after 20 minutes).
The invention has the beneficial effects as follows: it is the interior temperature of control valve grinding machine effectively, and can effectively reduce the temperature in the grinding machine, improves the operating efficiency and the product quality of whole grinding system, reduces the grinding energy consumption.
Description of drawings
Fig. 1 is the block diagram of central control system of the present invention;
Fig. 2 is the circuit theory diagrams of central control system of the present invention;
Fig. 3 is the structural representation of tube mill of the present invention;
Among the figure: 1-tube mill, 2-shower nozzle, 3-sparge pipe, 4-first magnetic valve, 5-high-pressure air pipe, 6-second magnetic valve, 7-low pressure tracheae, 8-the 3rd magnetic valve.
The specific embodiment
Embodiment 1:
Like Fig. 1, Fig. 2, shown in Figure 3, a kind of method of reducing temperature in tube mill by spraying is provided with temperature sensor in the device for transporting objects of the mill tail of tube mill, and the output of temperature sensor is linked to each other with the signal input part of central control system by holding wire; Shower nozzle (or claiming nozzle) 2 (for existing technology) all are set in the bistrique of tube mill 1, the mill tail; The shower nozzle 2 of bistrique be connected with the low pressure tracheae 7 of the high-pressure air pipe 5 of the sparge pipe 3 of bistrique, bistrique, bistrique respectively (for existing technology); The shower nozzle 2 of mill tail be connected with the low pressure tracheae 7 of the high-pressure air pipe 5 of the sparge pipe 3 of mill tail, mill tail, mill tail respectively (for existing technology); On the sparge pipe 3 of the sparge pipe 3 of bistrique, mill tail first magnetic valve 4 is set all and [the rational temperature control range is set according to manufacturing technique requirent; Mode through water spray (mist) reduces material temperature]; On the high-pressure air pipe 5 of the high-pressure air pipe 5 of bistrique, mill tail second magnetic valve 6 is set all, on the low pressure tracheae 7 of the low pressure tracheae 7 of bistrique, mill tail the 3rd magnetic valve 8 is set all; The input of first magnetic valve 4, second magnetic valve 6, the 3rd magnetic valve 8 is linked to each other with the control signal output of central control system respectively (input of promptly all magnetic valves is linked to each other with the control signal output of central control system respectively by control line) by control line;
The temperature transducer of the mill tail through tube mill 1 predicts in the mill temperature and imports central control system that (in the present embodiment, central control system adopts Siemens PLC C 6ES7 214-1BD23-0XB0; Central control system can adopt prior art; Central control system also can adopt the intelligent temperature controller); When temperature in the mill is higher than temperature first higher limit according to manufacturing technique requirent setting (during like the pulverizing cement grog; Temperature first higher limit is set at 110 ℃) time, first magnetic valve on the sparge pipe of central control system control mill tail is opened, and second magnetic valve on the high-pressure air pipe 5 of central control system control mill tail is opened; Adopt 1 shower nozzle to grinding interior water spray (mist) cooling: when temperature is higher than temperature first higher limit that is provided with according to manufacturing technique requirent in the mill; And when temperature continue to raise, first magnetic valve when reaching temperature second higher limit (like the pulverizing cement grog time, temperature second higher limit is set at 115 ℃) on the sparge pipe of central control system control bistrique was opened; Second magnetic valve 6 on the high-pressure air pipe 5 of central control system control bistrique is opened, and adopts 2 shower nozzles to grinding interior water spray (mist) cooling:
When temperature in the mill is reduced to temperature control one lower limit according to manufacturing technique requirent setting (during like the pulverizing cement grog; The lowest temperature value is set at 100 ℃); First magnetic valve 4 on the sparge pipe 3 of bistrique cuts out; Second magnetic valve 6 of the high-pressure air pipe 5 of bistrique cuts out, and the shower nozzle of bistrique stops grinding interior water spray (mist) cooling; The 3rd magnetic valve 8 on the low pressure tracheae 7 of bistrique is opened [low pressure gas is opened, and guarantees that shower nozzle (nozzle) does not stop up]; When temperature in the mill is reduced to temperature second lower limit according to manufacturing technique requirent setting (during like the pulverizing cement grog; Temperature second lower limit is set at 95 ℃; Temperature second lower limit is lower than temperature control one lower limit) time; First magnetic valve 4 on the sparge pipe 3 of mill tail cuts out, and second magnetic valve 6 of the high-pressure air pipe 5 of mill tail cuts out, and all stops grinding interior water spray (mist) cooling; The 3rd magnetic valve 8 on the low pressure tracheae 7 of mill tail is opened [low pressure gas is opened, and guarantees that shower nozzle (nozzle) does not stop up]; As shutting down, the 3rd magnetic valve 8 time-delays on the low pressure tracheae 7 of the low pressure tracheae 7 of bistrique, mill tail were closed (low-pressure air will be closed after will delaying time 20 minutes) after 20 minutes.
According to the real time temperature of the mill tail material of tube mill, the switching of control magnetic valve.Confirm the mode and the water yield of water spray (mist) according to the ascending, descending trend in the control temperature range.For making spray effect reach optimum state, according to the characteristic of shower nozzle, bistrique is selected the shower nozzle (nozzle) of different spray angles for use with the mill tail.For guaranteeing the quality of water, be provided with the first road screen pack at water tank, after the water pump pressurization, send into fine filter, guarantee that shower nozzle (nozzle) does not stop up.
Thereby temperature in the grinding machine is implemented synchronously, controlled timely.On the one hand, can ensure effectively that grinding machine is in the temperature range with the greater efficiency running, improves grinding output and product quality; Can also reduce consumptive material in the mill on the other hand, prolong grinding machine parts service life.
Claims (1)
1. the method for a reducing temperature in tube mill by spraying is characterized in that: in the device for transporting objects of the mill tail of tube mill, temperature sensor is set, the output of temperature sensor is linked to each other with the signal input part of central control system by holding wire; In the bistrique of tube mill, the mill tail shower nozzle is set all; The shower nozzle of bistrique is connected with the sparge pipe of bistrique, the high-pressure air pipe of bistrique, the low pressure tracheae of bistrique respectively; The shower nozzle of mill tail is connected with the sparge pipe of mill tail, the high-pressure air pipe of mill tail, the low pressure tracheae of mill tail respectively; On the sparge pipe of the sparge pipe of bistrique, mill tail first magnetic valve is set all; On the high-pressure air pipe of the high-pressure air pipe of bistrique, mill tail second magnetic valve is set all, on the low pressure tracheae of the low pressure tracheae of bistrique, mill tail the 3rd magnetic valve is set all; The input of first magnetic valve, second magnetic valve, the 3rd magnetic valve is linked to each other with the control signal output of central control system respectively by control line;
The temperature transducer of the mill tail through tube mill predicts in the mill temperature and imports central control system; When temperature is higher than temperature first higher limit that is provided with according to manufacturing technique requirent in the mill; First magnetic valve on the sparge pipe of central control system control mill tail is opened; Second magnetic valve on the high-pressure air pipe of central control system control mill tail is opened, and adopts 1 shower nozzle to grinding interior spray cooling; Temperature is higher than temperature first higher limit that is provided with according to manufacturing technique requirent in mill; And when temperature continues to be increased to temperature second higher limit; First magnetic valve on the sparge pipe of central control system control bistrique is opened; Second magnetic valve on the high-pressure air pipe of central control system control bistrique is opened, and adopts 2 shower nozzles to grinding interior spray cooling;
When temperature was reduced to temperature control one lower limit that is provided with according to manufacturing technique requirent in the mill, first closed electromagnetic valve on the sparge pipe of bistrique, second closed electromagnetic valve on the high-pressure air pipe of bistrique, the shower nozzle of bistrique stopped grinding interior spray cooling; The 3rd magnetic valve on the low pressure tracheae of bistrique is opened; When temperature is reduced to temperature second lower limit that is provided with according to manufacturing technique requirent in the mill, first closed electromagnetic valve on the sparge pipe of mill tail, second closed electromagnetic valve of the high-pressure air pipe of mill tail all stops grinding interior spray cooling; The 3rd magnetic valve on the low pressure tracheae of mill tail is opened; As shutting down, the 3rd magnetic valve time-delay on the low pressure tracheae of the low pressure tracheae of bistrique, mill tail was closed after 20 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102733701A CN101716540B (en) | 2009-12-25 | 2009-12-25 | Method for reducing temperature in tube mill by spraying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102733701A CN101716540B (en) | 2009-12-25 | 2009-12-25 | Method for reducing temperature in tube mill by spraying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101716540A CN101716540A (en) | 2010-06-02 |
| CN101716540B true CN101716540B (en) | 2012-05-02 |
Family
ID=42431234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102733701A Active CN101716540B (en) | 2009-12-25 | 2009-12-25 | Method for reducing temperature in tube mill by spraying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101716540B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013166179A1 (en) | 2012-05-01 | 2013-11-07 | Innovative Combustion Technologies, Inc. | Pulverizer mill protection system |
| US9604226B2 (en) | 2012-05-01 | 2017-03-28 | Innovative Combustion Technologies, Inc. | Pulverizer mill protection system |
| CN103861698A (en) * | 2012-12-12 | 2014-06-18 | 江苏森美铝颜料有限公司 | Cooling water spray system of ball mill |
| CN106269048B (en) * | 2016-08-24 | 2018-11-13 | 南通诺佰恩化工科技有限公司 | Control three-roller grinding temperature system and device |
| CN110586265A (en) * | 2018-06-12 | 2019-12-20 | 台山市金昊贸易有限公司 | Temperature-controlled ball mill |
-
2009
- 2009-12-25 CN CN2009102733701A patent/CN101716540B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101716540A (en) | 2010-06-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101716540B (en) | Method for reducing temperature in tube mill by spraying | |
| CN203990190U (en) | Automatically control aerosol dust suppression system | |
| CN206719582U (en) | Quantitative package equipment is used in a kind of methyl ethyl ketone peroxide production | |
| CN202595294U (en) | Delay control circuit for crust breaking partial pressure gas supply | |
| CN204120213U (en) | Filter-stick forming device is wireless flavoring system | |
| CN202001082U (en) | Steam-blowing silencing device | |
| CN201500574U (en) | Automatic temperature controller of cement mill | |
| CN203525494U (en) | Controllable dry fog dust suppression device for open type receiving point | |
| CN205839048U (en) | Blast furnace long period stablizes coal injection device | |
| CN204477392U (en) | Watering regulator | |
| CN201314887Y (en) | Pressurized sectional heating high temperature erosion and abrasion tester | |
| CN202779803U (en) | Atomizing equipment for producing spherical copper powder | |
| CN213006483U (en) | Anti-scaling system for cooling pipe of extruder screw barrel | |
| CN203508121U (en) | Water spraying device in cement grinding mill | |
| CN203393170U (en) | Pulverized coal filter device of blast furnace coal injection system | |
| CN201791910U (en) | Quantitative CO2 gas supply device for hardened sodium silicate sand | |
| CN212168539U (en) | Dust removing device of high-speed wire and bar rolling mill | |
| CN204627924U (en) | A kind of magnetism servo-electric motor water-cooling for air compressor | |
| CN202860996U (en) | Rolling oil control system | |
| CN209262681U (en) | A kind of mixing plant atomizing de-dusting winterization system | |
| CN203363677U (en) | Compressed air high pressure to low pressure conversion control device | |
| CN202366676U (en) | Automatic control system of bulking machine | |
| CN201552708U (en) | Pouring head of high-pressure polyurethane forming machine | |
| CN220111827U (en) | Pulse cleaning system for steel slag magnetic separator | |
| CN204063968U (en) | The device of catalyst is supplied to smelting furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: GUILIN BAOLI NEW TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20140410 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140410 Address after: 430071. Sedum 2-7-2 building, Middle North Road, Wuchang District, Hubei, Wuhan Patentee after: Wuhan Jiangli Construction Material Machine Co., Ltd. Address before: 430071. Sedum 2-7-2 building, Middle North Road, Wuchang District, Hubei, Wuhan Patentee before: Wuhan Jiangli Construction Material Machine Co., Ltd. Patentee before: Guilin Baoli New Technology Development Co., Ltd. |