CN210127134U - Water replenishing system for high-pressure soft water tank of blast furnace - Google Patents
Water replenishing system for high-pressure soft water tank of blast furnace Download PDFInfo
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- CN210127134U CN210127134U CN201920529857.0U CN201920529857U CN210127134U CN 210127134 U CN210127134 U CN 210127134U CN 201920529857 U CN201920529857 U CN 201920529857U CN 210127134 U CN210127134 U CN 210127134U
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- drift
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 131
- 239000008234 soft water Substances 0.000 title claims abstract description 35
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000003020 moisturizing effect Effects 0.000 abstract description 8
- 230000001960 triggered effect Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000001502 supplementing effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000000664 rectum Anatomy 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a water replenishing system for a high-pressure soft water tank of a blast furnace, which comprises a plurality of soft water tanks connected with each pump room, a water level detector arranged in the soft water tanks according to the requirements of the upper and lower limits of the actual water level of the pump room, and a water level early warning device arranged at the inner side of the soft water tanks; the upper part and the lower part of the soft water tank are respectively provided with an upper flange and a lower flange; the upper flange and the lower flange are respectively provided with an upper large-drift-diameter electromagnetic valve and a lower large-drift-diameter electromagnetic valve; the upper large-drift-diameter electromagnetic valve and the lower large-drift-diameter electromagnetic valve are respectively connected with the top end and the lower end of the output side of the U-shaped pipe through flanges; the utility model discloses a blast furnace high pressure soft water tank water charging system can automize the moisturizing, accomplishes the problem of the low moisturizing of water level and water replenishment overflow, sets up the early warning water level in addition, can avoid the water level to cross lowly, causes the fluctuation that pressure is big.
Description
Technical Field
The utility model relates to a water charging system, concretely relates to high-pressure softened water tank water charging system of blast furnace belongs to water charging system technical field.
Background
In the ferrous metallurgy industry, the blast furnace ironmaking process accounts for more than 70% of the total energy consumption of iron and steel enterprises, is an energy-consuming large household of the iron and steel enterprises, and has low energy utilization efficiency, so the energy-saving and emission-reducing potential of the link is huge; as is well known, the steady and smooth running of a blast furnace is a key link in the blast furnace ironmaking production process; the water supplement of the soft water of the blast furnace is important for the stable operation of the blast furnace production in the smelting process; in the prior art, water replenishing in a water tank needs personnel to stare at the site, overfall is prevented, water resource waste is caused, or soft water with too low water level fluctuates when the personnel live in other places, so that production of a blast furnace is influenced, and when the water level is lower than a certain threshold value, the pressure fluctuation is relatively large.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a high-pressure softened water tank water charging system of blast furnace can automatic moisturizing, accomplishes the problem of low moisturizing of water level and water replenishment overflow, sets up the early warning water level in addition, can avoid the water level to cross lowly, causes the fluctuation that pressure is big.
The utility model discloses a high-pressure soft water tank water charging system of blast furnace, including a plurality of soft water tanks that are connected with each pump house, and set up the water level detector in the soft water tank according to the actual upper and lower limit of water level requirement of pump house, change into the solenoid valve of big latus rectum through the water supply valve in the soft water tank, add the interlock again, set up the upper and lower limit according to each pump house actual conditions, automatic water charging when the lack of water, the water level reaches the upper limit and stops the water charging automatically; still set up independent water level precaution device, carry out low water level insurance moisturizing passageway, it is specifically as follows: an upper flange and a lower flange are respectively arranged at the upper part and the lower part of the soft water tank; the upper flange is used as a common water replenishing channel, and the lower flange is used as an emergency water replenishing channel; the upper flange and the lower flange are respectively provided with an upper large-drift-diameter electromagnetic valve and a lower large-drift-diameter electromagnetic valve, power ends of the large-drift-diameter electromagnetic valve and the lower large-drift-diameter electromagnetic valve are directly and electrically connected to a power supply, and control ends of the large-drift-diameter electromagnetic valve and the lower large-drift-diameter electromagnetic valve are respectively controlled by a water level detector and a water level early-warning device, namely, when the control ends receive low level signals or falling edge signals sent by the water level detector and the water level early-warning device, the control ends carry out water supplementing operation, and when the control ends receive; the upper large-drift-diameter electromagnetic valve and the lower large-drift-diameter electromagnetic valve are respectively connected with the top end and the lower end of the output side of the U-shaped pipe through flanges; the other end of the U-shaped pipe is connected to a high-level main pipe, a water source is pumped into the main pipe through a water inlet pump, the main pipe is fed into the U-shaped pipe for buffering and storing flow, and water supplementing operation is directly carried out when an electromagnetic valve is triggered to be opened; the main pipe is connected to a water inlet pump; the water level early warning device comprises a floater which is lower than the water level detector, and the floater is connected to the water level trigger through a flexible wire; the water level detector is electrically connected with the electromagnetic valve with a large drift diameter; the water level early warning device is electrically connected with the large-drift-diameter electromagnetic valve, liquid with the same mass as that in the pure water tank is filled in the floater, when the water level rises, the floater is lifted, the flexible wire is not stressed, the water level trigger is not triggered, and when the water level falls to the early warning position, the floater falls, the flexible wire is straightened, the water level trigger is triggered, and a trigger signal is sent.
As a preferred embodiment, the top of the inner side of the soft water tank is provided with a wire sleeve; the flexible wire passes through the wire sleeve.
As a preferred embodiment, the water level trigger comprises a lever, the force-consuming end of the lever is fixed with the top end of the flexible wire, and the top surface of the force-consuming end of the lever is attached with a copper sheet and movably extends into a frame; two electrode plates movably attached to the copper sheet are arranged on the upper part of the inner side of the frame; the two electrode plates are arranged in parallel; one of the electrode plates is grounded, and the other electrode plate is electrically connected to a high-level end; the electrode plate electrically connected with the high-level terminal is electrically connected to a first level detector; the first level detector is electrically connected with the alarm; when the flexible wire is not stressed, due to the reason that the lever is laborious, one end of the lever extends into the frame to be downwards inclined, the two electrode plates cannot be triggered, after the flexible wire is stressed, one end of the lever extending into the frame is pressed upwards, at the moment, the two electrode plates are attached, the electrode plate at the high-level end is pulled downwards by the electrode plate at the grounding end, at the moment, the first level detector corresponds to the pin and detects a low-level signal, and the first level detector directly alarms and gives a trigger signal for the lower large-drift-diameter.
As a preferred embodiment, the water level detector comprises conductive strips arranged at the upper and lower limits of the water level inside the soft water tank; the two conducting strips are respectively connected to the same-phase end of a comparator, and the same-phase end of the comparator is electrically connected with a grounding end and the grounding conducting strip through a capacitor; the grounding conducting strip is arranged at the bottom of the inner side of the soft water tank; the non-inverting end of the comparator is electrically connected to the high potential end through a resistor; the inverting end of the comparator is electrically connected to the voltage division end of the voltage division circuit; two ends of the voltage division circuit are respectively and electrically connected with a high potential end and a grounding end; the output end of the comparator is electrically connected with a follower, and the follower is electrically connected with a second level detector; the comparator is used for comparing, when a certain conducting strip of the upper and lower limits of the water level is disconnected with the grounding conducting strip, the comparator outputs high level, the high level is converted into low level through the follower and detected by the second level detector, and the second level detector gives a trigger signal to the electromagnetic valve with large drift diameter
As a preferred embodiment, the first level detector and the second level detector are a 51-series single chip microcomputer minimum system.
The utility model discloses a compare with prior art, the utility model discloses a blast furnace high pressure softened water tank water charging system can automatic moisturizing, accomplishes the problem of low moisturizing of water level and water replenishment overflow, simultaneously, through the cooperation of water level precaution device and big latus rectum solenoid valve down, when the water level descends to the early warning water level, the big latus rectum solenoid valve under the forced start to start the alarm, squeeze into the water tank with the U type intraductal water source of keeping in, can avoid the water level low excessively, cause the fluctuation that pressure is big.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the local enlarged structure in fig. 1X of the present invention.
Fig. 3 is a schematic structural view of the water level detector of the present invention.
Detailed Description
Example 1:
the water replenishing system of the high-pressure soft water tank of the blast furnace shown in the figures 1 and 2 comprises a plurality of soft water tanks 1 connected with each pump room and a water level detector 2 arranged in the soft water tanks according to the requirements of the upper limit and the lower limit of the actual water level of the pump room, wherein a water replenishing valve in the soft water tank is replaced by an upper large-diameter electromagnetic valve, and then an interlocking device is arranged, the upper limit and the lower limit are arranged according to the actual conditions of each pump room, when water is short, water is automatically replenished, and the water level reaches the upper limit and automatically stops replenishing water; still set up independent water level precaution device 3, carry out low water level insurance moisturizing passageway, it is specifically as follows: an upper flange 4 and a lower flange 5 are respectively arranged at the upper part and the lower part of the soft water tank 1; the upper flange 4 is used as a common water replenishing channel, and the lower flange 5 is used as an emergency water replenishing channel; the upper flange 4 and the lower flange 5 are respectively provided with an upper large-diameter electromagnetic valve 6 and a lower large-diameter electromagnetic valve 7, power ends of the upper large-diameter electromagnetic valve 6 and the lower large-diameter electromagnetic valve 7 are directly and electrically connected to a power supply, and control ends are respectively controlled by the water level detector 2 and the water level early warning device 3, namely the control ends carry out water supplementing operation when receiving low level signals or falling edge signals sent by the water level detector and the water level early warning device, and directly stop working when receiving the low level signals or the falling edge signals for the second time; the upper large-drift-diameter electromagnetic valve 6 and the lower large-drift-diameter electromagnetic valve 7 are respectively connected with the top end and the lower end of the output side of the U-shaped pipe 8 through flanges; the other end of the U-shaped pipe 8 is connected to a high-level main pipe 9, a water source is pumped into the main pipe through a water inlet pump, the main pipe is sent into the U-shaped pipe for buffering and storing flow, and water supplementing operation is directly carried out when an electromagnetic valve is triggered to be opened; the main pipe 9 is connected to a water inlet pump; the water level early warning device 3 comprises a float 31 lower than the water level detector, the float 31 is connected to a water level trigger 33 through a flexible wire 32; the water level detector 2 is electrically connected with an upper large-drift-diameter electromagnetic valve 6; the water level early warning device 3 is electrically connected with the lower large-drift-diameter electromagnetic valve 7, liquid with the same mass as that in the pure water tank is filled in the floater, when the water level rises, the floater is lifted, the flexible wire is not stressed, the water level trigger is not triggered, and when the water level falls to the early warning position, the floater falls, the flexible wire is straightened, the water level trigger is triggered, and a trigger signal is sent.
Wherein the top of the inner side of the soft water tank 1 is provided with a wire sleeve 10; the flexible wire 32 passes through the wire cover 10.
As shown in fig. 2, the water level trigger 33 includes a lever 331, the force-saving end of the lever 331 is fixed to the top end of the flexible wire 32, and the top surface of the force-saving end of the lever 331 is attached to a copper sheet 332 and movably extends into a frame 333; two electrode plates 334 movably attached to the copper sheet are arranged at the upper part of the inner side of the frame 333; the two electrode plates 334 are arranged in parallel; one of the electrode pads 334 is grounded, and the other electrode pad 334 is electrically connected to a high-level terminal; the electrode pad 334 electrically connected to the high level terminal is electrically connected to the first level detector 335; the first level detector 335 is electrically connected with an alarm 336; when the flexible wire is not stressed, due to the reason that the lever is laborious, one end of the lever extends into the frame to be downwards inclined, the two electrode plates cannot be triggered, after the flexible wire is stressed, one end of the lever extending into the frame is pressed upwards, at the moment, the two electrode plates are attached, the electrode plate at the high-level end is pulled downwards by the electrode plate at the grounding end, at the moment, the first level detector corresponds to the pin and detects a low-level signal, and the first level detector directly alarms and gives a trigger signal for the lower large-drift-diameter.
As shown in fig. 3, the water level detector 2 includes conductive strips a disposed at upper and lower limits of the water level inside the soft water tank; the two conducting strips A are respectively connected to the in-phase end of a comparator U1A, and the in-phase end of the comparator U1A is electrically connected with a grounding end and a grounding conducting strip B through a capacitor C1; the grounding conducting strip B is arranged at the bottom of the inner side of the soft water tank 1; the in-phase end of the comparator U1A is electrically connected to a high potential end VCC through a resistor R3; the inverting terminal of the comparator U1A is electrically connected to the voltage division terminals of the voltage division circuits R1 and R2; two ends of the voltage division circuits R1 and R2 are respectively and electrically connected with a high potential end VCC and a grounding end; a follower U1B electrically connected to the output terminal of the comparator U1A, the follower U1B being electrically connected to a second level detector (not shown); the comparator is used for comparing, when a certain conducting strip of the upper limit and the lower limit of the water level is disconnected with the grounding conducting strip, the comparator outputs a high level, the high level is converted into a low level through the follower and detected by the second level detector, and the second level detector sends a trigger signal to the upper large-path electromagnetic valve; when the circuit works, the point A and the point B are respectively a conducting strip and a grounding conducting strip, when the resistance of water can make the + input potential of U1A lower than the input potential, the operational amplifier outputs low level, when no water exists, the point A and the point B are opened, the + point potential can be higher than the point, the operational amplifier outputs high level, the circuit works, and the following output is the follower to carry out reversal.
The first level detector and the second level detector are 51 series single chip microcomputer minimum systems.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (5)
1. The utility model provides a blast furnace high pressure soft water tank water charging system which characterized in that: the water level early warning device comprises a plurality of soft water tanks connected with each pump room, a water level detector arranged in the soft water tanks according to the actual upper and lower water level limits of the pump rooms, and a water level early warning device arranged on the inner side of the soft water tanks; the upper part and the lower part of the soft water tank are respectively provided with an upper flange and a lower flange; the upper flange and the lower flange are respectively provided with an upper large-drift-diameter electromagnetic valve and a lower large-drift-diameter electromagnetic valve; the upper large-drift-diameter electromagnetic valve and the lower large-drift-diameter electromagnetic valve are respectively connected with the top end and the lower end of the output side of the U-shaped pipe through flanges; the other end of the U-shaped pipe is connected to a high-level main pipe; the main pipe is connected to a water inlet pump; the water level early warning device comprises a floater which is lower than the water level detector, and the floater is connected to the water level trigger through a flexible wire; the water level detector is electrically connected with the electromagnetic valve with a large drift diameter; the water level early warning device is electrically connected with the lower large-drift-diameter electromagnetic valve.
2. The water replenishing system for the high-pressure water softening tank of the blast furnace as claimed in claim 1, wherein: the top of the inner side of the soft water tank is provided with a wire sleeve; the flexible wire passes through the wire sleeve.
3. The water replenishing system for the high-pressure water softening tank of the blast furnace as claimed in claim 1, wherein: the water level trigger comprises a lever, the force-consuming end of the lever is fixed with the top end of the flexible wire, and the top surface of the force-saving end of the lever is attached with a copper sheet and movably extends into a frame; two electrode plates movably attached to the copper sheet are arranged on the upper part of the inner side of the frame; the two electrode plates are arranged in parallel; one of the electrode plates is grounded, and the other electrode plate is electrically connected to a high-level end; the electrode plate electrically connected with the high-level terminal is electrically connected to a first level detector; the first level detector is electrically connected with the alarm.
4. The water replenishing system for the high-pressure water softening tank of the blast furnace as claimed in claim 1, wherein: the water level detector comprises conducting strips arranged at the upper limit and the lower limit of the water level inside the soft water tank; the two conducting strips are respectively connected to the same-phase end of a comparator, and the same-phase end of the comparator is electrically connected with a grounding end and the grounding conducting strip through a capacitor; the grounding conducting strip is arranged at the bottom of the inner side of the soft water tank; the non-inverting end of the comparator is electrically connected to the high potential end through a resistor; the inverting end of the comparator is electrically connected to the voltage division end of the voltage division circuit; two ends of the voltage division circuit are respectively and electrically connected with a high potential end and a grounding end; and the output end of the comparator is electrically connected with a follower, and the follower is electrically connected with the second level detector.
5. The water replenishing system for the high-pressure soft water tank of the blast furnace as claimed in claim 3, wherein: the first level detector and the second level detector are 51 series single chip microcomputer minimum systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920529857.0U CN210127134U (en) | 2019-04-18 | 2019-04-18 | Water replenishing system for high-pressure soft water tank of blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920529857.0U CN210127134U (en) | 2019-04-18 | 2019-04-18 | Water replenishing system for high-pressure soft water tank of blast furnace |
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| Publication Number | Publication Date |
|---|---|
| CN210127134U true CN210127134U (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920529857.0U Expired - Fee Related CN210127134U (en) | 2019-04-18 | 2019-04-18 | Water replenishing system for high-pressure soft water tank of blast furnace |
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| CN (1) | CN210127134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000888A (en) * | 2021-11-24 | 2022-02-01 | 盾构及掘进技术国家重点实验室 | Intelligent water replenishing device for water circulation system of shield machine |
-
2019
- 2019-04-18 CN CN201920529857.0U patent/CN210127134U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000888A (en) * | 2021-11-24 | 2022-02-01 | 盾构及掘进技术国家重点实验室 | Intelligent water replenishing device for water circulation system of shield machine |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200306 |
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| CF01 | Termination of patent right due to non-payment of annual fee |