CN107686866B - Water level control device and control method of INBA system - Google Patents
Water level control device and control method of INBA system Download PDFInfo
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- CN107686866B CN107686866B CN201710656734.9A CN201710656734A CN107686866B CN 107686866 B CN107686866 B CN 107686866B CN 201710656734 A CN201710656734 A CN 201710656734A CN 107686866 B CN107686866 B CN 107686866B
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- water
- storage tank
- buoy
- water storage
- limit sensor
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Abstract
The invention discloses a water level control device of an INBA system, which comprises a water storage tank, wherein a fixed frame is arranged in the water storage tank, the fixed frame is hollow, and a buoy is arranged in the fixed frame; an upper limit sensor is arranged at the upper part of the fixed frame, and a lower limit sensor is arranged at the middle lower part of the fixed frame; the upper limit sensor and the lower limit sensor are both connected with a signal detection system through a through hole above the water storage tank, and the signal detection system is connected with a control system; one side of the water storage tank, which is far away from the fixing frame, is provided with a drainage system, a water supplementing system, a water using opening and a water return opening. The invention also discloses a water level control method of the INBA system. The buoy can provide the most accurate signal for the liquid level; the accuracy of liquid level signal detection is improved by the multiple groups of partition plates; the invention can reasonably supply and drain water according to the liquid level of the water storage tank, thereby not only ensuring the use stability of the INBA system, but also avoiding the waste of water resources and reducing the production cost.
Description
Technical Field
The invention relates to a water level control device, in particular to a water level control device of a blast furnace INBA system, and also relates to a water level control method of the INBA system, which is applied to water level regulation and control of a water storage tank of the blast furnace INBA system and belongs to the technical field of intelligent control.
Background
The INBA system of the blast furnace is a core device for treating the slag of the blast furnace, and the slag is water quenched by mainly utilizing high-pressure water, so that water slag is formed. Because the blast furnace slag temperature is high, a large amount of cooling water is needed to cool the blast furnace slag, and therefore water must be continuously supplemented to a water storage tank to ensure a proper water level and maintain the normal operation of the INBA system.
At present, due to the lack of a water level monitoring and regulating system on site, overflow of a water storage tank often occurs or the water level is not enough, and great influence is brought to the site environment and the slag treatment effect, so that the development of a set of water level regulating and regulating system of the INBA system is particularly necessary.
From the prior art at present, no relevant technical scheme capable of effectively solving the problem of accurate regulation and control of the INBA water level is found.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a scheme for realizing accurate control of the water level of a water storage tank of a blast furnace INBA system through a buoy and intelligent control.
The invention is realized by the following steps:
a water level control device of an INBA system comprises a water storage tank, wherein a fixing frame is arranged in the water storage tank, the fixing frame is hollow, and a buoy is arranged in the fixing frame;
an upper limit sensor is arranged at the upper part of the fixed frame, and a lower limit sensor is arranged at the middle lower part of the fixed frame;
the upper limit sensor and the lower limit sensor are both connected with a signal detection system through a through hole above the water storage tank, and the signal detection system is connected with a control system;
one side of the water storage tank, which is far away from the fixing frame, is provided with a drainage system, a water supplementing system, a water using opening and a water return opening.
The further scheme is as follows:
the middle part of the buoy is a cavity, the upper part and the lower part of the buoy are both hard blocks, the buoyancy of the buoy is greater than the gravity, and the buoy can float on the water surface and lift along with the water level. The hard block can be made of metal materials such as iron and steel or hard plastics.
The further scheme is as follows:
a plurality of reinforcing ribs surrounding the fixing frame are arranged in the vertical direction of the fixing frame, and the distance between every two adjacent reinforcing ribs is smaller than the height of the buoy, so that the buoy can be prevented from escaping from the fixing frame.
The further scheme is as follows:
the cross section of the fixing frame is circular or square, the inner diameter of the fixing frame is larger than the size of the buoy, and the fixing frame plays a role in positioning and guiding the up-and-down movement of the buoy.
The further scheme is as follows:
the upper limit sensor and the lower limit sensor are both inserted, a plurality of jacks with different heights are arranged on the fixing frame, and the upper limit sensor and the lower limit sensor can be respectively inserted into the jacks at different height positions of the fixing frame, so that the height positions of the sensors can be quickly adjusted according to actual needs.
The further scheme is as follows:
the sealing block is arranged on the through hole, so that the interference of water vapor on a signal detection system can be effectively prevented;
the further scheme is as follows:
an upper cover plate is arranged above the water storage tank and is mainly used for preventing dust or other impurities from falling into the water storage tank to pollute water.
The further scheme is as follows:
install 1 or a plurality of decurrent upper baffle on the upper cover plate, 1 or a plurality of decurrent lower baffle is installed to the tank bottom, and upper baffle and lower baffle cross distribution just go up the bottom of baffle and be less than the upper portion of baffle down, have just so constituted labyrinth structure by the multiunit baffle, have played fine cushioning effect to the velocity of flow of water, have stablized the liquid level.
The further scheme is as follows:
the drainage system realizes overflow drainage by utilizing the opening and closing of an overflow valve, a water port provides cooling water for the INBA system, and a water supplementing system is mainly formed by sequentially connecting a water tower, a filter, a variable pump and a water inlet pipe and is used for supplementing water when the water level of a water storage pool is insufficient; a water return port is arranged above the water storage tank drainage system and is mainly used for collecting and recycling return water of the system.
Another object of the present invention is to provide a water level control method of an INBA system, which mainly uses the water level control device of the INBA system disclosed by the present invention, and specifically includes:
in the initial working state, the water level of a water storage tank of the INBA system of the blast furnace is normal, and the variable pump is in a stop state;
in the process of intermittently discharging water to the water storage tank through the water return port, the control system detects a sensor signal in real time, when an upper limit signal is detected, the overflow valve is opened, and redundant water is discharged into the water tower through the water discharging system; when the upper limit signal disappears, closing the overflow valve;
because the water in the reservoir is being constantly consumed to the water consumption mouth, when detecting the lower limit signal and appearing, the variable pump starts to carry out the moisturizing to the system, and when the lower limit signal disappears, the variable pump stops.
The invention has the following advantages:
1. the buoy is of a hollow structure, the integral buoyancy of the buoy is greater than the gravity, the buoy can lift along with the lifting of the water level, and the upper part and the lower part of the buoy are provided with hard blocks which have certain self-weight and can provide the most accurate signal for the liquid level;
2. the labyrinth structure formed by a plurality of groups of clapboards can effectively reduce the influence of water inlet and outlet of the system on liquid level fluctuation, and the water inlet and outlet system and the liquid level signal detection system are respectively arranged at two sides of the clapboards, so that the accuracy of liquid level signal detection is improved;
3. the fixing frame is of a hollow structure, has a size larger than that of the buoy, can guide the lifting of the buoy, and improves the accuracy of signals;
4. the fixing frame is provided with a plurality of jacks, the positions of the upper sensor and the lower sensor can be quickly adjusted and positioned according to the implementation situation, and the mounting and dismounting are convenient;
5. a through hole is formed in the left upper part of the water storage tank, data lines of the upper sensor and the lower sensor are connected with the signal detection system through the through hole, and a sealing block is arranged on the through hole, so that interference of water vapor on the signal detection system can be effectively prevented;
6. based on the signal detection technology design have drainage and water charging system, can carry out reasonable benefit drainage according to the tank liquid level, both guaranteed the stability that the INBA system used, avoided the waste of water resource again, reduced manufacturing cost.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a water level control apparatus of the INBA system of the present invention;
FIG. 2 is a schematic view of the structure of the float of the present invention;
fig. 3 is a flowchart of a water level control method of the INBA system according to the present invention.
Marked in the figure, a water tower 1, a filter 2, a variable pump 3, a water inlet pipe 4, a water storage tank 5, a lower partition plate 6, an upper partition plate 7, a fixed frame 8, water (liquid) 9, a reinforcing rib 10, a lower limit sensor 11, a cable 12, a buoy 13, a cavity 13.1, a hard block 13.2, a control system 14, a signal detection system 15, a sealing block 16, an upper cover plate 17, a water return port 18, an overflow valve 19, a water using port 20 and an upper limit sensor 21.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in the attached figures 1 and 2,
a water level control device of an INBA system comprises a water storage pool 5, wherein a fixed frame 8 is arranged in the water storage pool 5, the fixed frame is hollow, and a buoy 13 is arranged in the fixed frame;
an upper limit sensor 21 is arranged at the upper part of the fixed frame, and a lower limit sensor 11 is arranged at the middle lower part of the fixed frame;
the upper limit sensor 21 and the lower limit sensor 11 are both connected with a signal detection system 15 through a through hole above the water storage tank by a cable 12, and the signal detection system 15 is connected with a control system 14;
and a drainage system, a water supplementing system, a water using port 20 and a water return port 18 are arranged on one side of the water storage tank, which is far away from the fixed frame.
The middle part of the buoy 13 is a cavity 13.1, the upper part and the lower part of the buoy are both hard blocks 13.2, the buoyancy of the buoy is greater than the gravity, and the buoy can float on the water surface and lift along with the water level. The hard block can be made of metal materials such as iron and steel or hard plastics.
A plurality of reinforcing ribs 10 surrounding the fixing frame are arranged in the vertical direction of the fixing frame, and the distance between every two adjacent reinforcing ribs is smaller than the height of the buoy, so that the buoy can be prevented from escaping from the fixing frame.
The cross section of the fixing frame is circular or square, the inner diameter of the fixing frame is larger than the size of the buoy, and the fixing frame plays a role in positioning and guiding the up-and-down movement of the buoy.
The upper limit sensor and the lower limit sensor are both inserted, a plurality of jacks with different heights are arranged on the fixing frame, and the upper limit sensor and the lower limit sensor can be respectively inserted into the jacks at different height positions of the fixing frame, so that the height positions of the sensors can be quickly adjusted according to actual needs.
The sealing block 16 is arranged on the through hole, so that the interference of water vapor on a signal detection system can be effectively prevented;
an upper cover plate 17 is arranged above the water storage tank and is mainly used for preventing dust or other impurities from falling into the water storage tank to pollute water.
Install 1 or a plurality of decurrent upper baffle 7 on upper cover plate 17, 1 or a plurality of decurrent lower baffle 6 is installed to the tank bottom, and upper baffle and lower baffle cross distribution just go up the bottom of baffle and be less than the upper portion of lower baffle, have just so formed labyrinth structure by the multiunit baffle, have played fine cushioning effect to the velocity of flow of water, have stablized the liquid level.
The drainage system realizes overflow drainage by utilizing the opening and closing of an overflow valve 19, a water port 20 is used for providing cooling water for an INBA system, a water supplementing system is mainly formed by sequentially connecting a water tower 1, a filter 2, a variable pump 3 and a water inlet pipe 4, and water is supplemented when the water level of a water storage pool is insufficient; a water return port 18 is arranged above the water storage tank drainage system and is mainly used for collecting and recycling return water of the system.
As shown in fig. 3, a water level control method of an INBA system includes:
in the initial working state, the water level of a water storage tank of the INBA system of the blast furnace is normal, and the variable pump is in a stop state;
in the process of intermittently discharging water to the water storage tank through the water return port, the control system detects a sensor signal in real time, when an upper limit signal is detected, the overflow valve is opened, and redundant water is discharged into the water tower through the water discharging system; when the upper limit signal disappears, closing the overflow valve;
because the water in the reservoir is being constantly consumed to the water consumption mouth, when detecting the lower limit signal and appearing, the variable pump starts to carry out the moisturizing to the system, and when the lower limit signal disappears, the variable pump stops.
Although the present invention has been described herein with reference to the illustrated embodiments thereof, which are intended to be preferred embodiments of the present invention, it is to be understood that the invention is not limited thereto, and that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure.
Claims (2)
1. A water level control device of an INBA system comprises a water storage tank and is characterized in that:
a fixing frame is arranged in the water storage pool, the fixing frame is hollow, and a buoy is arranged in the fixing frame;
an upper limit sensor is arranged at the upper part of the fixed frame, and a lower limit sensor is arranged at the middle lower part of the fixed frame;
the upper limit sensor and the lower limit sensor are both connected with a signal detection system through a through hole above the water storage tank, and the signal detection system is connected with a control system;
a drainage system, a water supplementing system, a water using port and a water returning port are arranged on one side of the water storage tank, which is far away from the fixed frame;
the middle part of the buoy is a cavity, the upper part and the lower part of the buoy are both hard blocks, the buoyancy of the buoy is greater than the gravity, and the buoy can float on the water surface and lift along with the lifting of the water level;
the upper limit sensor and the lower limit sensor are both inserted, a plurality of jacks with different heights are arranged on the fixing frame, and the upper limit sensor and the lower limit sensor can be respectively inserted into the jacks at different height positions of the fixing frame;
a sealing block is arranged on the through hole;
an upper cover plate is arranged above the water storage tank, 1 or more downward upper partition plates are arranged on the upper cover plate, 1 or more upward lower partition plates are arranged at the bottom of the water storage tank, the upper partition plates and the lower partition plates are distributed in a crossed manner, and the bottom of each upper partition plate is lower than the upper part of each lower partition plate;
a plurality of reinforcing ribs surrounding the fixing frame are arranged in the vertical direction of the fixing frame, and the distance between every two adjacent reinforcing ribs is smaller than the height of the buoy;
the section of the fixed frame is circular or square, the inner diameter of the fixed frame is larger than the size of the buoy, and the fixed frame plays a role in positioning and guiding the up-and-down movement of the buoy;
the drainage system realizes overflow drainage by utilizing the opening and closing of an overflow valve, a water port provides cooling water for the INBA system, and a water supplementing system is mainly formed by sequentially connecting a water tower, a filter, a variable pump and a water inlet pipe and is used for supplementing water when the water level of a water storage pool is insufficient; a water return port is arranged above the drainage system of the water storage tank, and the position relationship from top to bottom is that the water return port is at the top, the drainage system is arranged at the bottom, the water using port is arranged at the bottom, and the water inlet pipe is arranged at the bottom.
2. A water level control method of an INBA system, which is characterized by using the water level control apparatus of the INBA system of claim 1, and specifically comprising:
in the initial working state, the water level of a water storage tank of the INBA system of the blast furnace is normal, and the variable pump is in a stop state;
in the process of intermittently discharging water to the water storage tank through the water return port, the control system detects a sensor signal in real time, when an upper limit signal is detected, the overflow valve is opened, and redundant water is discharged into the water tower through the water discharging system; when the upper limit signal disappears, closing the overflow valve;
because the water in the reservoir is being constantly consumed to the water consumption mouth, when detecting the lower limit signal and appearing, the variable pump starts to carry out the moisturizing to the system, and when the lower limit signal disappears, the variable pump stops.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710656734.9A CN107686866B (en) | 2017-08-03 | 2017-08-03 | Water level control device and control method of INBA system |
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| CN201710656734.9A CN107686866B (en) | 2017-08-03 | 2017-08-03 | Water level control device and control method of INBA system |
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| CN107686866B true CN107686866B (en) | 2020-02-18 |
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| CN108361105A (en) * | 2018-05-14 | 2018-08-03 | 蚌埠市华威电子科技有限公司 | A kind of radiator water level monitoring sensor having self-shield measure |
| CN113858514A (en) * | 2021-09-13 | 2021-12-31 | 泗阳杰盛医疗科技有限公司 | Production method of butyronitrile latex gloves with stable performance |
| CN113835450B (en) * | 2021-09-13 | 2023-12-08 | 泗阳杰盛医疗科技有限公司 | Automatic fluid infusion and liquid level control system of latex product dipping tank |
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