CN111928667A - Automatic detection water spray cooling system under high temperature environment - Google Patents
Automatic detection water spray cooling system under high temperature environment Download PDFInfo
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- CN111928667A CN111928667A CN202010589192.XA CN202010589192A CN111928667A CN 111928667 A CN111928667 A CN 111928667A CN 202010589192 A CN202010589192 A CN 202010589192A CN 111928667 A CN111928667 A CN 111928667A
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- water
- temperature
- pressure
- water spray
- monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
- F27D15/0206—Cooling with means to convey the charge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/0014—Devices for monitoring temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/04—Arrangements of indicators or alarms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Spray Control Apparatus (AREA)
Abstract
The invention discloses an automatic detection water spray cooling system in a high-temperature environment, which comprises a monitoring system, an infrared detection system and an electromagnetic water spray system, wherein the electromagnetic water spray system, the monitoring system and the infrared detection system are connected to an electrical control system, the electrical control system comprises a high-temperature monitoring circuit, a pressure alarm circuit and an alarm circuit, automatic detection and automatic water spray in the high-temperature environment can be realized, and the field condition can be monitored in real time. The system can automatically detect the high-temperature mineral aggregate in the annular cooling step of the sintering process, automatically spray water for cooling when the temperature of the mineral aggregate is higher than the set temperature, avoid the phenomenon that the high-temperature mineral aggregate ablates the belt, further avoid shutdown and production halt caused by the high-temperature mineral aggregate, and reduce huge economic loss.
Description
Technical Field
The invention relates to an automatic detection water spray cooling system in a high-temperature environment, and belongs to the field of automation of metallurgical production processes.
Background
At present, the process flow of the iron-making sintering machine is that the discharge opening of high-temperature mineral aggregate produced by the sintering machine is directly connected to a trolley conveying belt and is cooled through ring cooling, because the mineral aggregate on a sintering material conveying trolley still has high temperature (red ore), if the mineral aggregate is directly conveyed to the belt, the temperature of the sintering material is too high, the conveying belt can be burnt out, and the production is stopped. In the existing sintering process, the on-site high-temperature environment monitoring device is seriously damaged for several times, so that the monitoring is not in place, high-temperature mineral aggregate is conveyed to a conveying belt, the belt is burnt, the shutdown and the production halt are caused, and huge economic loss is brought. Therefore, the current process flow needs to be improved, the temperature of hot materials at the tail end of the trolley is monitored (the normal production temperature of the hot materials is less than 200 ℃), the temperature of the mineral materials is reduced to a reasonable range before the mineral materials are conveyed to the conveying belt, and a system which can automatically reduce the temperature and can monitor the temperature in real time is very important for the iron-making and sintering process.
Disclosure of Invention
Aiming at the problems in the prior art, the solution of the invention is as follows:
the utility model provides an automated inspection water spray cooling system under high temperature environment, includes monitored control system, infrared detecting system and electromagnetism water spray system, its characterized in that: the infrared detection system and the monitoring system are arranged around a dust collection cover of the circular cooler, holes are formed in the dust collection cover, and the infrared detection system and the monitoring system detect and monitor mineral aggregates through the holes in the dust collection cover; the electromagnetic water spraying system is arranged above the trolley of the circular cooler, and the electromagnetic water spraying system, the monitoring system and the infrared detection system are connected to the electric control system; and the electrical control system controls the electromagnetic water spraying system to spray water and reduce the temperature when the infrared detection system monitors that the mineral aggregate exceeds the set temperature.
The technical scheme of the invention is further improved as follows: the electromagnetic water spraying system comprises a water spraying device, a water pressure pipeline of the water spraying device is provided with a 0-500kPa pressure transmitter and a range 0-500kPa pressure digital display meter, a pressure digital display watchband is provided with a 4-20mA analog quantity and an output switching value, the electrical control system comprises a pressure alarm circuit, when the water pressure in the pipe is lower than a set pressure, the pressure alarm circuit controls a buzzer to alarm and prompt that water feeding is needed, and when the water pressure in the pipe is kept above the set pressure, an indicator lamp is on, and the water spraying and cooling can be performed at any time through displaying.
The technical scheme of the invention is further improved as follows: and metal protective covers are arranged around the monitoring system and the infrared detection system, and a circulating water cooling device or a water-cooling heat dissipation device is arranged in the protective covers.
The technical scheme of the invention is further improved as follows: the infrared detection system comprises an infrared detector, a secondary display instrument and 4-20mA analog quantity and output switching value, the electrical control system comprises a high-temperature monitoring circuit, and the high-temperature monitoring circuit controls the electromagnetic water spraying system to spray water and cool when the infrared detection system monitors that mineral aggregate exceeds a set temperature.
The technical scheme of the invention is further improved as follows: the electric control system comprises a power failure monitoring alarm circuit, and when the system is in sudden power failure accident, the power failure monitoring alarm circuit informs that no power is available through alarming.
Due to the adoption of the technical scheme, the technical progress of the invention is as follows: when the detection device detects that the mineral aggregate temperature on the sintering material conveying trolley is too high (can design the temperature by oneself), automatic water spraying is carried out, and the monitoring system is still set up in the while system, and it is not enough to ensure when infrared detection device detection range, and the high temperature mineral aggregate that has not detected also can be by the cooling of spraying water in time, has guaranteed that the high temperature material can not cause the injury to the transportation belt, and better satisfying production demand is for production health care and navigation.
The invention also solves the problem of damage to the monitoring equipment and the detection equipment caused by high-temperature environment in the production process of the sintering process, ensures the normal operation of the detection equipment and the detection equipment, and ensures that the automatic detection water-spraying cooling system can work normally.
Drawings
FIG. 1 is a schematic circuit diagram of an automatic detection water spray cooling system in a high temperature environment according to the present invention.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The automatic detection water spray cooling system under the high-temperature environment comprises a monitoring system, an infrared detection system and an electromagnetic water spray system, wherein the electromagnetic water spray system, the monitoring system and the infrared detection system are connected with an electrical control system.
In order to overcome the damage of high temperature to detection equipment and monitored control system, increase the distance between detection device and the platform truck, enlarge the trompil size of cold quick-witted dust cage side of ring, the outside sets up the safety cover, and the safety cover utilizes 4 mm's iron plate as thermal-insulated backplate, reduces the direct injury to detection device and monitored control system and cable and signal line of high temperature. Install water-cooling heat abstractor and strengthen the equipment ventilation in the safety cover, better reduction equipment ambient temperature causes detection device temperature reduction in the protection cover, and the device does not produce the raise dust to surveillance camera head, infrared detector can normally work for a long time.
The high-temperature monitoring circuit of the electric control system comprises a relay switching value WP-80-1 and ZJ1 coil circuit, a normally open switch ZJ1, a coil C2 and a pipeline electromagnetic control valve circuit of an electromagnetic valve opening valve YV1, wherein the normally open switch, the coil C2 and the pipeline electromagnetic control valve circuit are connected in series, the two circuits are connected in parallel and then are connected with a power supply, and an alarm lamp L2 is connected to the electromagnetic control valve in parallel; the pressure alarm circuit comprises a pressure digital display meter relay switching value WP-80-2 and coil ZJ2 circuit, a normally open switch ZJ2 and alarm lamp L3 circuit, a normally closed switch ZJ2 and alarm AD2 circuit, wherein the pressure digital display meter relay switching value WP-80-2 and the coil ZJ2 circuit are connected in series; the power failure alarm circuit comprises a C1 coil circuit, a normally open switch C1 and an alarm lamp L1 circuit which are connected in series, a normally closed switch C1 and a buzzer AD1 which are connected in series and are connected with another power supply, wherein the normally open switch C1 and the alarm lamp L1 circuit are connected in series; the high temperature monitoring circuit, the pressure alarm circuit and the power failure alarm circuit are connected in parallel to form the electric control system.
During actual use, the power supply is the power failure detection system alarm, the C1 normally-open pull-in relay acts to turn on the green lamp L1, the C1 normally-open break C1 normally-closed is led in the power supply from another place to inform no electricity through the alarm, the fact that the person on duty knows the power supply condition in advance is guaranteed, the power supply state is guaranteed, and the production power utilization condition is guaranteed.
When infrared detection is carried out, a set range is 0-1000 ℃, corresponding signal feedback is 4-20mA, a secondary display instrument with a range of 0-1000 ℃ is provided with 1-way relay switching value output, when infrared temperature measurement detects that a trolley with materials has red mineral aggregate, and when the set temperature of the instrument is reached to 300 ℃, the signal feedback is 8.8mA, a temperature measuring instrument relay switching value output end WP-80-1 is closed, a ZJ1 coil is electrified and attracted, a ZJ1 is normally open and closed, a C2 coil is attracted to drive an electromagnetic valve YV1 on a field water pipe to open the water pipe, an L2 green light is used for brightening and spraying water, and the red ore is sprayed and cooled; otherwise, when the infrared detection temperature is lower than 300 ℃ and the signal is fed back to 8.8mA, the switching value output end of the relay of the temperature measuring instrument is disconnected, the C2 coil of the electromagnetic valve contactor on the site water pipe is driven to be disconnected from the green light and turned off, the C3 contactor coil is attracted, the YV2 of the electromagnetic valve on the site water pipe is driven to close the water pipe, and the red ore is sprayed and cooled.
DN40 water pressure pipeline is matched with 0-500kPa pressure transmitter, the pressure digital display meter of 0-500kPa pressure in the metering range is used for detecting the water pressure in the pipe, when the water pressure is kept above 250kPa, the normal pressure in the pipe is when the output current is above 12mA, the relay switching value output end of the pressure digital display meter is closed, the coil of the relay ZJ2 is attracted, ZJ2 is normally open and closed, a green lamp L3 is lightened, the spraying and cooling operation can be carried out at any time when the pressure in the pipe is normal, the water pressure is lower than 20kPa, when the output current is 4.64mA, the relay switching value output end of the pressure digital display meter is disconnected, the coil of the ZJ2 is de-energized, an L3 green lamp is turned off, the ZJ2 point alarms through a buzzer, the water pressure in the pipe.
During operating condition, if the instrument electrical system breaks down and the detection that arouses is not in place, unable work, and the staff passes through the monitor screen and shows, can see the belting platform truck whether red block mineral aggregate exists, can foresee in advance to inform the dispatch to catch up with the processing trouble, plays certain effect for producing the health care navigation.
Claims (5)
1. The utility model provides an automated inspection water spray cooling system under high temperature environment, includes monitored control system, infrared detecting system and electromagnetism water spray system, its characterized in that: the infrared detection system and the monitoring system are arranged around a dust collection cover of the circular cooler, holes are formed in the dust collection cover, and the infrared detection system and the monitoring system detect and monitor mineral aggregates through the holes in the dust collection cover; the electromagnetic water spraying system is arranged above the trolley of the circular cooler, and the electromagnetic water spraying system, the monitoring system and the infrared detection system are connected to the electric control system; and the electrical control system controls the electromagnetic water spraying system to spray water and reduce the temperature when the infrared detection system monitors that the mineral aggregate exceeds the set temperature.
2. The automatic detection water spray cooling system in the high-temperature environment according to claim 1, characterized in that: the electromagnetic water spraying system comprises a water spraying device, a water pressure pipeline of the water spraying device is provided with a 0-500kPa pressure transmitter and a range 0-500kPa pressure digital display meter, a pressure digital display watchband is provided with a 4-20mA analog quantity and an output switching value, the electrical control system comprises a pressure alarm circuit, when the water pressure in the pipe is lower than a set pressure, the pressure alarm circuit controls a buzzer to alarm and prompt that water feeding is needed, and when the water pressure in the pipe is kept above the set pressure, an indicator lamp is on, and the water spraying and cooling can be performed at any time through displaying.
3. The automatic detection water spray cooling system in the high-temperature environment according to claim 1, characterized in that: and metal protective covers are arranged around the monitoring system and the infrared detection system, and a circulating water cooling device or a water-cooling heat dissipation device is arranged in the protective covers.
4. The automatic detection water spray cooling system in the high-temperature environment according to claim 1, characterized in that: the infrared detection system comprises an infrared detector, a secondary display instrument and 4-20mA analog quantity and output switching value, the electrical control system comprises a high-temperature monitoring circuit, and the high-temperature monitoring circuit controls the electromagnetic water spraying system to spray water and cool when the infrared detection system monitors that mineral aggregate exceeds a set temperature.
5. The automatic detection water spray cooling system in the high-temperature environment according to claim 1, characterized in that: the electric control system comprises a power failure monitoring alarm circuit, and when the system is in sudden power failure accident, the power failure monitoring alarm circuit informs that no power is available through alarming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010589192.XA CN111928667A (en) | 2020-06-24 | 2020-06-24 | Automatic detection water spray cooling system under high temperature environment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010589192.XA CN111928667A (en) | 2020-06-24 | 2020-06-24 | Automatic detection water spray cooling system under high temperature environment |
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| Publication Number | Publication Date |
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| CN111928667A true CN111928667A (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010589192.XA Pending CN111928667A (en) | 2020-06-24 | 2020-06-24 | Automatic detection water spray cooling system under high temperature environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432509A (en) * | 2020-11-16 | 2021-03-02 | 鞍钢集团工程技术有限公司 | Sintered ore high-temperature alarm and automatic cooling system and method for discharge hole of sintered ring cooling machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203190817U (en) * | 2012-12-12 | 2013-09-11 | 攀枝花钢城集团有限公司 | Water cooling device for pellets |
| CN103398584A (en) * | 2013-08-22 | 2013-11-20 | 中冶北方（大连）工程技术有限公司 | Material temperature detection and control device for sintering pellet annular cooler |
| CN110243187A (en) * | 2019-04-24 | 2019-09-17 | 本钢板材股份有限公司 | It is a kind of to burn cold belt auto-watering cooling system |
-
2020
- 2020-06-24 CN CN202010589192.XA patent/CN111928667A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203190817U (en) * | 2012-12-12 | 2013-09-11 | 攀枝花钢城集团有限公司 | Water cooling device for pellets |
| CN103398584A (en) * | 2013-08-22 | 2013-11-20 | 中冶北方（大连）工程技术有限公司 | Material temperature detection and control device for sintering pellet annular cooler |
| CN110243187A (en) * | 2019-04-24 | 2019-09-17 | 本钢板材股份有限公司 | It is a kind of to burn cold belt auto-watering cooling system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432509A (en) * | 2020-11-16 | 2021-03-02 | 鞍钢集团工程技术有限公司 | Sintered ore high-temperature alarm and automatic cooling system and method for discharge hole of sintered ring cooling machine |
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Application publication date: 20201113 |