CN203295529U - Detection device for cooling walls of blast furnace - Google Patents
Detection device for cooling walls of blast furnace Download PDFInfo
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- CN203295529U CN203295529U CN2013203014191U CN201320301419U CN203295529U CN 203295529 U CN203295529 U CN 203295529U CN 2013203014191 U CN2013203014191 U CN 2013203014191U CN 201320301419 U CN201320301419 U CN 201320301419U CN 203295529 U CN203295529 U CN 203295529U
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Abstract
The utility model relates to a detection device for cooling walls of a blast furnace. The detection device comprises a pressure gauge, a water inlet electromagnetic flowmeter and a water outlet electromagnetic flowmeter as well as a water tank, a water pump, a water outlet valve, a bypass valve, a differential pressure transmitter, a water inlet valve, an air switch, a 24 V power supply, a small-sized logic controller, a red indicator light and a green indicator light, wherein a water outlet pipe is connected with the water pump; the water outlet valve, a tee joint, the pressure gauge and the water inlet electromagnetic flowmeter are mounted on the water outlet pipe; the water pump is connected with the water tank; a first water gap of the water tank is connected with the tee joint through a bypass water pipe; the bypass valve is mounted on the bypass water pipe; a water inlet pipe is connected with the water tank; the water inlet valve and the water outlet electromagnetic flowmeter are mounted on the water inlet pipe; the differential pressure transmitter is connected with the water inlet electromagnetic flowmeter and the water outlet electromagnetic flowmeter; the air switch is connected with the water pump and the 24 V power supply; the water inlet electromagnetic flowmeter, the water outlet electromagnetic flowmeter, the differential pressure transmitter and the small-sized logic controller are connected with the 24 V power supply. The detection device is high in detection accuracy.
Description
Technical field
The utility model relates to a kind of proofing unit of blast furnace cooling stave.
Background technology
Blast furnace longevity is the key factor that reduces costs, boosts productivity.The factor that affects blast furnace longevity is many, and wherein, the blast furnace cooling system situation directly affects the size of campaign life and blast-furnace smelting reinforcing degree.New 4350m
3In the construction of blast furnace, need in cupola well to install several thousand cooling staves, cooling plate, in order to protect furnace shell; extend the life-span of blast furnace; must guarantee the quality of cooling stave, cooling plate, identify the quality of cooling stave, cooling plate, need to detect the processing parameters such as water flow velocity, the turbid damage of water.In order to ensure perfectly safe, need each piece all to test, the detection of existing blast furnace cooling stave can realize with tensimeter, magnetic flow meter, but more than the large blast furnace usage quantity, tolerance range requires high, the proofing unit of existing blast furnace cooling stave carries out all measuring and wasting time and energy, and incur loss through delay duration efficiency low, and tolerance range does not reach requirement.
Summary of the invention
For the above-mentioned deficiency of the proofing unit that overcomes existing blast furnace cooling stave, the utility model provides the proofing unit of the high and blast furnace cooling stave that efficiency is high of a kind of tolerance range.
the proofing unit of this blast furnace cooling stave comprises detecting uses tensimeter, magnetic flow meter, it is characterized in that: described detection tensimeter is the tensimeter that detects hydraulic pressure, described Electromagnetic Flow is into water magnetic flow meter and water outlet magnetic flow meter, water tank also is being set, water pump, flowing water Valve, bypass valve, differential pressure transmitter, inlet valve, air switch, the 24V power supply, small-sized logic controller, red beacon lamp, green pilot lamp, the water pipe and the electric wire that connects use that connect use, one end of rising pipe is water outlet, the other end connects with the water outlet of water pump, between the water pump of rising pipe and water outlet, flowing water Valve is installed successively, threeway, tensimeter and water outlet magnetic flow meter, the water-in of water pump connects with the water outlet of water tank with the first water pipe, first mouth of a river of water tank connects with threeway with the bypass water pipe, at the bypass water pipe, bypass valve is installed.
One end of water inlet pipe connects with the water-in of water tank, the other end is water-in, inlet valve and water outlet magnetic flow meter are installed on water inlet pipe, a mouth of a river of differential pressure transmitter is connected between the water outlet and water inlet magnetic flow meter of rising pipe with the second water pipe, and another mouth of a river of differential pressure transmitter is connected between the water-in and water outlet magnetic flow meter of water inlet pipe with the 3rd water pipe.
Air switch, 24V power supply, small-sized logic controller are arranged on mounting plate, air switch connects with water pump with the first electric wire, service pump provides 380V voltage, the input terminus of 24V power supply is used with air switch and is connected, the water inlet magnetic flow meter connects with the 24V power supply with the second electric wire, the water outlet magnetic flow meter connects with the 24V power supply with the 4th electric wire, and differential pressure transmitter connects with the 24V power supply with the 3rd electric wire.The supply terminals of small-sized logic controller connects with the output terminal of 24V power supply, and the digital output point of small-sized logic controller is connecting red beacon lamp and green pilot lamp.
Small-sized logic controller is arranging small-sized logic controller digital output template and small-sized logic controller analogue input template.
The digital output point 1L of small-sized logic controller digital output template and the positive output end of 24V power supply, digital output point 0.0 are through the negative output terminal of red pilot lamp and 24V power supply, and digital output point 0.1 is through the negative output terminal of green pilot lamp and 24V power supply.Supply terminals M and L+ connect logical with the 220V output terminal of air switch 11.
The supply terminals M of small-sized logic controller analogue input template connects with the negative output terminal of 24V power supply, and L+ connects with positive output end.
Detect with the proofing unit of this blast furnace cooling stave, tolerance range is high, and is time saving and energy saving, both guaranteed the quality of cooling stave, cooling plate, shortened the duration again, effectively protected furnace shell, extends blast furnace work-ing life, reached and reduced costs the purpose of raising the efficiency.The proofing unit detection architecture of this blast furnace cooling stave is simple, and cost is low, and is easy for installation, and can be applied to similar large blast furnace needs accurately to detect the processing parameter of cooling stave, cooling plate, and the occasion more than amount detection is used.
Description of drawings
Fig. 1 is the structure of the detecting device figure of this blast furnace cooling stave.
Fig. 2 is small-sized logic controller digital output template figure.
The small-sized logic controller analogue input template of Fig. 3 figure.
In above-mentioned figure:
5-the threeway of 1-water tank, 2-water pump, 3-flowing water Valve, 4-bypass valve
6-tensimeter 7-water inlet magnetic flow meter 8-differential pressure transmitter
9-water outlet magnetic flow meter, 10-inlet valve, 11-air switch, 12-24V power supply
13-small-sized logic controller 14-red pilot lamp 15-green pilot lamp 16-mounting plate
17-water outlet, 18-water-in, 19-rising pipe, 20-bypass water pipe
21-the first mouth of a river 22-water outlet, 23-water-in the 24-the first water pipe
25-water inlet pipe, 26-the first electric wire 27-the second electric wire the 28-the three electric wire
29-the four electric wire 30-the first water pipe the 31-the second water pipe
32-small-sized logic controller digital output template
33-small-sized logic controller analogue input template L+---the positive tie of 24V power supply
L----24V power-tie.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with embodiment, but embodiment of the present utility model is not limited to following embodiment.
Embodiment
the structure of the embodiment of the proofing unit of this blast furnace cooling stave is seen Fig. 1, and it comprises detecting uses tensimeter, magnetic flow meter is characterized in that: described detection tensimeter is the tensimeter 6 that detects hydraulic pressure, and described Electromagnetic Flow is into water magnetic flow meter 7 and water outlet magnetic flow meter 9, and water tank 1 also is being set, water pump 2, flowing water Valve 3, bypass valve 4, differential pressure transmitter 8, inlet valve 10, air switch 11, 24V power supply 12, small-sized logic controller 13, red beacon lamp 14, green pilot lamp 15, connect the water pipe and the electric wire that connects use of use, an end of rising pipe 19 is water outlet 17, and the other end connects with the water outlet of water pump 2, between the water pump 2 of rising pipe 19 and water outlet 17, flowing water Valve 3 is installed successively, threeway 5, tensimeter 6 and water outlet magnetic flow meter 7, (water-in of water outlet magnetic flow meter 7 connects with an end of flowing water Valve 3, the other end of flowing water Valve 3 connects with the water outlet of water pump 2) water-in of water pump 2 connects with the water outlet 22 of water tank 1 with the first water pipe 24, the first mouth of a river 21 use bypass water pipes 20 of water tank 1 connect with threeway 5, at bypass water pipe 20, bypass valve 4 are installed.
One end of water inlet pipe 25 connects with the water-in 23 of water tank 1, the other end is water-in 18, inlet valve 10 and water outlet magnetic flow meter 9 are installed on water inlet pipe 25, a mouth of a river of differential pressure transmitter 8 is connected between the water outlet 17 and water inlet magnetic flow meter 7 of rising pipe 19 with the second water pipe 30, and another mouth of a river of differential pressure transmitter 8 is connected between the water-in 18 and water outlet magnetic flow meter 9 of water inlet pipe 25 with the 3rd water pipe 31.
Small-sized logic controller 13 is arranging small-sized logic controller digital output template 32 and small-sized logic controller analogue input template 33.
Small-sized logic controller digital output template 32 with the connecting of 24V power supply 12 of direct current see Fig. 2, the digital output point 1L of small-sized logic controller digital output template 32 and the positive output end of 24V power supply 12, digital output point 0.0 is through the negative output terminal of red pilot lamp 14 with 24V power supply 12, and digital output point 0.1 is through the negative output terminal of green pilot lamp 15 with 24V power supply 12.Supply terminals M and L+ connect logical with the 220V output terminal of air switch 11.
Small-sized logic controller analogue input template 33 with the connecting of 24V power supply 12 of direct current see Fig. 3, the supply terminals M of small-sized logic controller analogue input template 33 connects with the negative output terminal of 24V power supply 12, L+ connects with positive output end.
Use water tank to cooling stave, plate water filling, after filling with water, close the water-in and water-out valve, then use pump to boost, when pressure is raised to 1.65Mpa, stablized 3 minutes, during at 1.62Mpa, start timing 0.5 hour, if pressure is between 1.6Mpa-1.62Mpa when pressure-stabilisation, illustrate that cooling stave, plate are water-tight, there is no the situations such as sand holes, meet processing requirement, if pressure is lower than 1.6Mpa, show that cooling stave, plate have drainage, can not use.
Keep water-in and water-out pipe pressure, flow measuring point on a sea line, bypass valve, inlet valve, flowing water Valve are all opened, use water tank to be the cooling stave water filling, the assurance water cycle flows, coding in logic controller, if differential pressure transmitter pressure difference＜0.01Mpa, red pilot lamp 14 is bright, as shown in Figure 2, if flooding velocity and water flow difference＜0.1m
3/ h, green pilot lamp 15 is bright, and as shown in Figure 2, if in testing process, two pilot lamp are entirely bright, illustrate that cooling stave, cooling plate are qualified.
Claims (2)
1. the proofing unit of a blast furnace cooling stave, it comprises detecting uses tensimeter, magnetic flow meter, it is characterized in that: described detection tensimeter is the tensimeter that detects hydraulic pressure, described Electromagnetic Flow is into water magnetic flow meter and water outlet magnetic flow meter, water tank also is being set, water pump, flowing water Valve, bypass valve, differential pressure transmitter, inlet valve, air switch, the 24V power supply, small-sized logic controller, red beacon lamp, green pilot lamp, the water pipe and the electric wire that connects use that connect use, one end of rising pipe is water outlet, the other end connects with the water outlet of water pump, between the water pump of rising pipe and water outlet, flowing water Valve is installed successively, threeway, tensimeter and water outlet magnetic flow meter, the water-in of water pump connects with the water outlet of water tank with the first water pipe, first mouth of a river of water tank connects with threeway with the bypass water pipe, at the bypass water pipe, bypass valve is installed,
One end of water inlet pipe connects with the water-in of water tank, the other end is water-in, inlet valve and water outlet magnetic flow meter are installed on water inlet pipe, a mouth of a river of differential pressure transmitter is connected between the water outlet and water inlet magnetic flow meter of rising pipe with the second water pipe, and another mouth of a river of differential pressure transmitter is connected between the water-in and water outlet magnetic flow meter of water inlet pipe with the 3rd water pipe;
Air switch, 24V power supply, small-sized logic controller are arranged on mounting plate, air switch connects with water pump with the first electric wire, service pump provides 380V voltage, the input terminus of 24V power supply is used with air switch and is connected, the water inlet magnetic flow meter connects with the 24V power supply with the second electric wire, the water outlet magnetic flow meter connects with the 24V power supply with the 4th electric wire, and differential pressure transmitter connects with the 24V power supply with the 3rd electric wire; The supply terminals of small-sized logic controller connects with the output terminal of 24V power supply, and the digital output point of small-sized logic controller is connecting red beacon lamp and green pilot lamp.
2. the proofing unit of blast furnace cooling stave according to claim 1, it is characterized in that: small-sized logic controller is arranging small-sized logic controller digital output template and small-sized logic controller analogue input template;
The digital output point 1L of small-sized logic controller digital output template and the positive output end of 24V power supply, digital output point 0.0 are through the negative output terminal of red pilot lamp and 24V power supply, and digital output point 0.1 is through the negative output terminal of green pilot lamp and 24V power supply; Supply terminals M and L+ connect logical with the 220V output terminal of air switch; The supply terminals M of small-sized logic controller analogue input template connects with the negative output terminal of 24V power supply, and L+ connects with positive output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203014191U CN203295529U (en) | 2013-05-29 | 2013-05-29 | Detection device for cooling walls of blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203014191U CN203295529U (en) | 2013-05-29 | 2013-05-29 | Detection device for cooling walls of blast furnace |
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| Publication Number | Publication Date |
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| CN203295529U true CN203295529U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203014191U Expired - Fee Related CN203295529U (en) | 2013-05-29 | 2013-05-29 | Detection device for cooling walls of blast furnace |
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| CN (1) | CN203295529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107755439A (en) * | 2017-11-24 | 2018-03-06 | 山西太钢不锈钢股份有限公司 | A kind of wear-resisting breaking down band steel cooling means of high manganese |
-
2013
- 2013-05-29 CN CN2013203014191U patent/CN203295529U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107755439A (en) * | 2017-11-24 | 2018-03-06 | 山西太钢不锈钢股份有限公司 | A kind of wear-resisting breaking down band steel cooling means of high manganese |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20190529 |