CN205383087U - Automatic pump package system in whirl pond - Google Patents
Automatic pump package system in whirl pond Download PDFInfo
- Publication number
- CN205383087U CN205383087U CN201620192591.1U CN201620192591U CN205383087U CN 205383087 U CN205383087 U CN 205383087U CN 201620192591 U CN201620192591 U CN 201620192591U CN 205383087 U CN205383087 U CN 205383087U
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- pump
- centrifugal pump
- negative
- pressure cup
- whirlwind tank
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Abstract
The utility model discloses an automatic pump package system in whirl pond, including setting up the centrifugal pump in whirl pond top, the end that absorbs water of centrifugal pump goes out the water end (W. E. ) and is connected to the sewage treatment pond through outlet conduit in being connected to the whirl pond through suction duct, the top of centrifugal pump is provided with a negative pressure jar, the pipe connection is passed through extremely in the bottom of negative pressure jar the centrifugal pump with on the outlet conduit between the check valve, the upper end connection of negative pressure jar is provided with a vacuum pump, it is used for control to install one in the negative pressure jar the vacuum pump opens the liquid level switch who stops, can make the liquid level in the negative pressure jar be less than liquid level switch sets up and starts when high the vacuum pump. The utility model discloses it is simple to have operation process, and the efficiency of drawing water is higher. Need not the manual work value of keeping, the cost is lower. Avoid the centrifugal pump to inhale the sky, caused the cavitation erosion of centrifugal pump, be favorable to improving the advantages such as life of centrifugal pump.
Description
Technical field
This utility model relates to water treatment system field, in particular to a kind of Whirlwind tank automatic pump group system.
Background technology
Business economic cycle development, energy-saving and cost-reducing, cleaning production, as one of major measure of metallurgical industry manufacturing enterprise environmental protection and energy saving consumption reduction, have been played important function by water treatment system.Whirlwind tank is the process facility collecting industrial wastewater in rolling line water treatment system, it not only ensures recycling of rolling line system cooling water, and have shower iron scale and it is collected the effect of process, thus Whirlwind tank water lev el control directly influences the properly functioning of whole rolling line system.
During work, recycled after the sewage transport in Whirlwind tank to treatment tank processes by water pump.In normal production in process; arrangement according to production yields and dimension inspection demand; may there is production line stop state; the water intake velocity of Whirlwind tank can be influenced by impact, it is necessary to the water pump starting varying number according to water level according to Whirlwind tank, it is achieved stablizing of Whirlwind tank water level; simultaneously; giving the sedimentation time enough with Whirlwind tank, make the oxide skin in sewage fully precipitate, then loopback ironmaking is continuing with.
The Chi Shui in Whirlwind tank is caused to stir the precipitation affecting oxide skin during for avoiding pumping for water pump; real work adopt centrifugal pump carry out drawing water operation; centrifugal pump is before activation; must make to be full of in pump case and suction hose water; and once centrifugal pump is long for downtime, the water leakage that will result in pump case and suction hose is run off, need when being again started up again to make to be full of in pump case and suction hose water; operating process is complicated, inefficient.Simultaneously, it is necessary to manually keep value, relatively costly.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide one can make to be full of in centrifugal pump shell body water, it is simple to quickly to start centrifugal pump, simple to operate, facilitating implementation and automatically control, efficiency is higher, it is achieved lower-cost Whirlwind tank automatic pump group system.
In order to solve above-mentioned technical problem, this utility model have employed following technical scheme:
A kind of Whirlwind tank automatic pump group system, including the centrifugal pump being arranged on above Whirlwind tank, the suction side of described centrifugal pump is connected in Whirlwind tank by suction piping, and water side is connected to treatment tank by outlet conduit；It is characterized in that, described centrifugal pump be provided above a negative-pressure cup, described negative-pressure cup apart from the vertical height of described centrifugal pump more than described centrifugal pump lift；Being provided with the check valve being available for the outside water delivery of centrifugal pump on described outlet conduit, the bottom of described negative-pressure cup is connected on the outlet conduit between described centrifugal pump and described check valve by pipeline；
The upper end of described negative-pressure cup is connected with a vacuum pump, and the suction end of described vacuum pump is connected with described negative-pressure cup；One liquid-level switch for controlling described vacuum pump start and stop is installed, it is possible to when making the liquid level in negative-pressure cup lower than described liquid-level switch rational height, start described vacuum pump in described negative-pressure cup.
During use, first start vacuum pump and make to be formed in negative-pressure cup negative pressure, owing to outlet conduit being provided with the check valve being available for the outside water delivery of centrifugal pump, outlet conduit is closed in the process of vacuum pump air-breathing, negative-pressure cup makes also to be formed in centrifugal pump negative pressure by the pipeline of bottom, sewage in Whirlwind tank is entered in centrifugal pump by suction piping under atmospheric pressure, makes to be full of in pump case and suction hose water.In this manner it is possible to start centrifugal pump, Whirlwind tank is drawn water.Due to negative-pressure cup apart from the vertical height of described centrifugal pump more than described centrifugal pump lift, the water that centrifugal pump is extracted out cannot pass through negative-pressure cup and arrives in vacuum pump, simultaneously, when liquid level in negative-pressure cup arrives liquid-level switch rational height, vacuum pump is out of service, make the liquid level in negative-pressure cup will not be further up, it is to avoid vacuum pump damages.In work process, centrifugal pump needs to shut down because of the dimension reason such as inspection, causes the water leakage in the housing of centrifugal pump and suction piping, and the liquid level in negative-pressure cup also can decline, and starts described vacuum pump when the liquid level in negative-pressure cup is lower than described liquid-level switch rational height.So so that pump case and in suction hose all the time be full of water, it is simple at any time start centrifugal pump be operated.Operating process is simple, and efficiency is higher.Simultaneously, it is not necessary to manually keep value, less costly.Avoid centrifugal pump to be emptied, cause the cavitation erosion of centrifugal pump, be conducive to improving the service life of centrifugal pump.
As optimization, also including hand-operating vacuum-pump, the suction end of described hand-operating vacuum-pump is connected on the outlet conduit between described centrifugal pump and described check valve by pipeline；The first switch valve it is provided with between described hand-operating vacuum-pump and described outlet conduit；Second switch valve it is provided with between described negative-pressure cup and described outlet conduit.
During use, once vacuum pump or negative-pressure cup break down needs maintenance, it is possible to closed by second switch valve, opened by the first switch valve, manually boot hand-operating vacuum-pump and centrifugal pump is bled, make to be full of in pump case and suction hose water.So, be conducive to improving the work efficiency of Whirlwind tank automatic pump group system, improve the stability of system, be conducive to improving work efficiency.Adopting hand-operating vacuum-pump that centrifugal pump is bled, compare traditional operation of pouring water, labor intensity is less, and efficiency is higher.
As optimization, also including the PLC control system for controlling described centrifugal pump start and stop, described PLC control system is electrically connected with for detecting the liquid level sensor of liquid level in Whirlwind tank.So, liquid level sensor is set in Whirlwind tank, liquid level in Whirlwind tank can be detected in real time, then the liquid level signal detected is sent in PLC control system, centrifugal pump is controlled by PLC control system according to the liquid level signal detected, reach, once liquid level, the height that PLC control system sets, start centrifugal pump and Whirlwind tank is drawn water.In this manner it is achieved that the automatically controlling of Whirlwind tank water level.
As optimization, described centrifugal pump is provided with multiple, and is respectively connected with the pipeline led to bottom described negative-pressure cup on the outlet conduit between each described centrifugal pump and corresponding check valve, is provided with second switch valve between each described centrifugal pump and described negative-pressure cup.
So, by arranging multiple centrifugal pump, it is possible to the uninterrupted according to water inlet, or the speed that liquid level rises, Whirlwind tank is drawn water operation by the centrifugal pump opening varying number, makes the liquid level in Whirlwind tank keep balance.Second switch valve it is provided with between each centrifugal pump and described negative-pressure cup, second switch valve can be passed through and will there is no the centrifugal pump of startup and the separated of negative-pressure cup, avoid the water that other centrifugal pumps are extracted out Whirlwind tank through negative-pressure cup from not actuated centrifugal pump stream, be conducive to improving the efficiency of automatic pump group system.
As optimization, described second switch valve is the electromagnetic switch valve being electrically connected to described PLC control system, enables described PLC control system to control the on off state of described second switch valve.So, by PLC control system, the on off state of second switch valve is controlled, it is possible to easier realize closing second switch valve corresponding for not actuated centrifugal pump, second switch valve corresponding for the centrifugal pump of startup is opened simultaneously.Be conducive to saving the operating time, improve work efficiency.
As optimization, described PLC control system is additionally provided with audible-visual annunciator.So, once automatic pump group system or Whirlwind tank water level occur abnormal, audible-visual annunciator can send acousto-optic hint workman and overhaul in time, it is to avoid aggravation device damage.
As optimization, described liquid level sensor is electronic liquid level gauge.
As optimization, described PLC control system also includes the current sensor for detecting centrifugal pump operating current.So, by detecting the operating current of centrifugal pump, it can be determined that go out centrifugal pump whether normal operation.
As optimization, described liquid-level switch is float type level switch.
As optimization, described centrifugal pump is provided with multiple, and the outlet conduit between each described centrifugal pump and corresponding check valve is provided with the pipeline that the suction end with described hand-operating vacuum-pump is connected, it is provided with the first switch valve between each described centrifugal pump and the suction end of described hand-operating vacuum-pump.
In sum, it is simple that this utility model has operating process, and efficiency of drawing water is higher.Without manually keeping value, less costly.Avoid centrifugal pump to be emptied, cause the cavitation erosion of centrifugal pump, be conducive to improving the advantage such as service life of centrifugal pump.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model one embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
When being embodied as: as it is shown in figure 1, a kind of Whirlwind tank automatic pump group system, including the centrifugal pump 1 being arranged on above Whirlwind tank, the suction side of described centrifugal pump 1 is connected in Whirlwind tank by suction piping, and water side is connected to treatment tank by outlet conduit；Described centrifugal pump 1 be provided above a negative-pressure cup 2, described negative-pressure cup 2 apart from the vertical height of described centrifugal pump 1 more than the lift of described centrifugal pump 1；Being provided with the check valve 5 being available for the outside water delivery of centrifugal pump on described outlet conduit, the bottom of described negative-pressure cup 2 is connected on the outlet conduit between described centrifugal pump 1 and described check valve 5 by pipeline；
The upper end of described negative-pressure cup 2 is connected with a vacuum pump 3, and the suction end of described vacuum pump 3 is connected with described negative-pressure cup 2；One liquid-level switch 4 for controlling the start and stop of described vacuum pump 3 is installed, it is possible to when making the liquid level in negative-pressure cup 2 lower than described liquid-level switch 4 rational height, start described vacuum pump 3 in described negative-pressure cup 2.
During use, first start vacuum pump and make to be formed in negative-pressure cup negative pressure, owing to outlet conduit being provided with the check valve being available for the outside water delivery of centrifugal pump, outlet conduit is closed in the process of vacuum pump air-breathing, negative-pressure cup makes also to be formed in centrifugal pump negative pressure by the pipeline of bottom, sewage in Whirlwind tank is entered in centrifugal pump by suction piping under atmospheric pressure, makes to be full of in pump case and suction hose water.In this manner it is possible to start centrifugal pump, Whirlwind tank is drawn water.Due to negative-pressure cup apart from the vertical height of described centrifugal pump more than described centrifugal pump lift, the water that centrifugal pump is extracted out cannot pass through negative-pressure cup and arrives in vacuum pump, simultaneously, when liquid level in negative-pressure cup arrives liquid-level switch rational height, vacuum pump is out of service, make the liquid level in negative-pressure cup will not be further up, it is to avoid vacuum pump damages.In work process, centrifugal pump needs to shut down because of the dimension reason such as inspection, causes the water leakage in the housing of centrifugal pump and suction piping, and the liquid level in negative-pressure cup also can decline, and starts described vacuum pump when the liquid level in negative-pressure cup is lower than described liquid-level switch rational height.So so that pump case and in suction hose all the time be full of water, it is simple at any time start centrifugal pump be operated.Operating process is simple, and efficiency is higher.Simultaneously, it is not necessary to manually keep value, less costly.Avoid centrifugal pump to be emptied, cause the cavitation erosion of centrifugal pump, be conducive to improving the service life of centrifugal pump.
Wherein, also including hand-operating vacuum-pump 6, the suction end of described hand-operating vacuum-pump 6 is connected on the outlet conduit between described centrifugal pump 1 and described check valve 5 by pipeline；The first switch valve 61 it is provided with between described hand-operating vacuum-pump 6 and described outlet conduit；It is provided with second switch valve 21 between described negative-pressure cup 2 and described outlet conduit.
During use, once vacuum pump or negative-pressure cup break down needs maintenance, it is possible to closed by second switch valve, opened by the first switch valve, manually boot hand-operating vacuum-pump and centrifugal pump is bled, make to be full of in pump case and suction hose water.So, be conducive to improving the work efficiency of Whirlwind tank automatic pump group system, improve the stability of system, be conducive to improving work efficiency.Adopting hand-operating vacuum-pump that centrifugal pump is bled, compare traditional operation of pouring water, labor intensity is less, and efficiency is higher.
Wherein, also including the PLC control system for controlling the start and stop of described centrifugal pump 1, described PLC control system is electrically connected with for detecting the liquid level sensor of liquid level in Whirlwind tank.So, liquid level sensor is set in Whirlwind tank, liquid level in Whirlwind tank can be detected in real time, then the liquid level signal detected is sent in PLC control system, centrifugal pump is controlled by PLC control system according to the liquid level signal detected, reach, once liquid level, the height that PLC control system sets, start centrifugal pump and Whirlwind tank is drawn water.In this manner it is achieved that the automatically controlling of Whirlwind tank water level.
Wherein, described centrifugal pump 1 is provided with multiple, and is respectively connected with the pipeline led to bottom described negative-pressure cup 2 on the outlet conduit between each described centrifugal pump 1 and corresponding check valve 5, is provided with second switch valve 21 between each described centrifugal pump 1 and described negative-pressure cup 2.
So, by arranging multiple centrifugal pump, it is possible to the uninterrupted according to water inlet, or the speed that liquid level rises, Whirlwind tank is drawn water operation by the centrifugal pump opening varying number, makes the liquid level in Whirlwind tank keep balance.Second switch valve it is provided with between each centrifugal pump and described negative-pressure cup, second switch valve can be passed through and will there is no the centrifugal pump of startup and the separated of negative-pressure cup, avoid the water that other centrifugal pumps are extracted out Whirlwind tank through negative-pressure cup from not actuated centrifugal pump stream, be conducive to improving the efficiency of automatic pump group system.
Wherein, described second switch valve 21 is the electromagnetic switch valve being electrically connected to described PLC control system, enables described PLC control system to control the on off state of described second switch valve 21.So, by PLC control system, the on off state of second switch valve is controlled, it is possible to easier realize closing second switch valve corresponding for not actuated centrifugal pump, second switch valve corresponding for the centrifugal pump of startup is opened simultaneously.Be conducive to saving the operating time, improve work efficiency.
Wherein, described PLC control system is additionally provided with audible-visual annunciator.So, once automatic pump group system or Whirlwind tank water level occur abnormal, audible-visual annunciator can send acousto-optic hint workman and overhaul in time, it is to avoid aggravation device damage.
Wherein, described liquid level sensor is electronic liquid level gauge.
Wherein, described PLC control system also includes the current sensor for detecting centrifugal pump operating current.So, by detecting the operating current of centrifugal pump, it can be determined that go out centrifugal pump whether normal operation.
Wherein, described liquid-level switch 4 is float type level switch.
Wherein, described centrifugal pump 1 is provided with multiple, and the outlet conduit between each described centrifugal pump 1 and corresponding check valve 5 is provided with the pipeline that the suction end with described hand-operating vacuum-pump 6 is connected, it is provided with the first switch valve 61 between each described centrifugal pump 1 and the suction end of described hand-operating vacuum-pump 6.
When being embodied as, scene has 7 centrifugal pumps, optional one as standby, other 6 are used as automatically controlling pump group, in order to reduce the frequent start-stop of pump, set up liquid level stabilizing and pump group start-stop operation interval according to on-the-spot service condition: start a centrifugal pump when liquid level is 12.5 meters；When liquid level reaches 12.6 meters, increase and start second centrifugal pump；When liquid level reaches 12.7 meters, increase and start the 3rd centrifugal pump；When liquid level reaches 12.8 meters, increase and start the 4th centrifugal pump: when liquid level reaches 12.9 meters, increase and start the 5th centrifugal pump；When liquid level reaches 13 meters, increase and start the 6th centrifugal pump；When liquid level is gradually reduced, during lower than 11.5 meters, stopping 5 centrifugal pumps, retain a centrifugal pump and run, when liquid level is lower than 10.8 meters, all centrifugal pumps are wholly off.
When being embodied as, the operating current of every centrifugal pump is monitored by PLC control system, according to actual monitoring, centrifugal pump running current is 90A ~ 130A, if the centrifugal pump operating current monitored is lower than minimum running current 90A, audible-visual annunciator can send alarm signal automatically, and points out the position of abnormal centrifugal pump, the timely handling failure of easy access personnel, is conducive to improving work efficiency.
The foregoing is only preferred embodiment of the present utility model, not with this utility model for restriction, all any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, should be included within protection domain of the present utility model.
Claims (10)
1. a Whirlwind tank automatic pump group system, including the centrifugal pump (1) being arranged on above Whirlwind tank, the suction side of described centrifugal pump (1) is connected in Whirlwind tank by suction piping, and water side is connected to treatment tank by outlet conduit；It is characterized in that, described centrifugal pump (1) be provided above a negative-pressure cup (2), described negative-pressure cup (2) apart from the vertical height of described centrifugal pump (1) more than the lift of described centrifugal pump (1)；Being provided with the check valve (5) being available for the outside water delivery of centrifugal pump on described outlet conduit, the bottom of described negative-pressure cup (2) is connected on the outlet conduit between described centrifugal pump (1) and described check valve (5) by pipeline；
The upper end of described negative-pressure cup (2) is connected with a vacuum pump (3), and the suction end of described vacuum pump (3) is connected with described negative-pressure cup (2)；One liquid-level switch (4) for controlling described vacuum pump (3) start and stop is installed, it is possible to when making the liquid level in negative-pressure cup (2) lower than described liquid-level switch (4) rational height, start described vacuum pump (3) in described negative-pressure cup (2).
2. Whirlwind tank automatic pump group system as claimed in claim 1, it is characterized in that, also including hand-operating vacuum-pump (6), the suction end of described hand-operating vacuum-pump (6) is connected on the outlet conduit between described centrifugal pump (1) and described check valve (5) by pipeline；The first switch valve (61) it is provided with between described hand-operating vacuum-pump (6) and described outlet conduit；Second switch valve (21) it is provided with between described negative-pressure cup (2) and described outlet conduit.
3. Whirlwind tank automatic pump group system as claimed in claim 1, it is characterised in that also including the PLC control system for controlling described centrifugal pump (1) start and stop, described PLC control system is electrically connected with for detecting the liquid level sensor of liquid level in Whirlwind tank.
4. Whirlwind tank automatic pump group system as claimed in claim 3, it is characterized in that, described centrifugal pump (1) is provided with multiple, and the outlet conduit between each described centrifugal pump (1) and corresponding check valve (5) is respectively connected with the pipeline leading to described negative-pressure cup (2) bottom, it is provided with second switch valve (21) between each described centrifugal pump (1) and described negative-pressure cup (2).
5. Whirlwind tank automatic pump group system as claimed in claim 4, it is characterized in that, described second switch valve (21) is the electromagnetic switch valve being electrically connected to described PLC control system, enables described PLC control system to control the on off state of described second switch valve (21).
6. Whirlwind tank automatic pump group system as claimed in claim 3, it is characterised in that be additionally provided with audible-visual annunciator in described PLC control system.
7. Whirlwind tank automatic pump group system as claimed in claim 3, it is characterised in that described liquid level sensor is electronic liquid level gauge.
8. Whirlwind tank automatic pump group system as claimed in claim 6, it is characterised in that described PLC control system also includes the current sensor for detecting centrifugal pump operating current.
9. Whirlwind tank automatic pump group system as claimed in claim 1, it is characterised in that described liquid-level switch (4) is float type level switch.
10. Whirlwind tank automatic pump group system as claimed in claim 2, it is characterized in that, described centrifugal pump (1) is provided with multiple, and the outlet conduit between each described centrifugal pump (1) and corresponding check valve (5) is provided with the pipeline that the suction end with described hand-operating vacuum-pump (6) is connected, it is provided with the first switch valve (61) between the suction end of each described centrifugal pump (1) and described hand-operating vacuum-pump (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620192591.1U CN205383087U (en) | 2016-03-14 | 2016-03-14 | Automatic pump package system in whirl pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620192591.1U CN205383087U (en) | 2016-03-14 | 2016-03-14 | Automatic pump package system in whirl pond |
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| Publication Number | Publication Date |
|---|---|
| CN205383087U true CN205383087U (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620192591.1U Active CN205383087U (en) | 2016-03-14 | 2016-03-14 | Automatic pump package system in whirl pond |
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| CN (1) | CN205383087U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559213A (en) * | 2017-10-18 | 2018-01-09 | 南京腾图节能科技有限公司 | A kind of remote monitoring centrifugal pump of high height of drawing water |
| CN113204252A (en) * | 2021-03-19 | 2021-08-03 | 阳春新钢铁有限责任公司 | Steel rolling cyclone tank liquid level real-time monitoring and automatic control system |
-
2016
- 2016-03-14 CN CN201620192591.1U patent/CN205383087U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559213A (en) * | 2017-10-18 | 2018-01-09 | 南京腾图节能科技有限公司 | A kind of remote monitoring centrifugal pump of high height of drawing water |
| CN113204252A (en) * | 2021-03-19 | 2021-08-03 | 阳春新钢铁有限责任公司 | Steel rolling cyclone tank liquid level real-time monitoring and automatic control system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190212 Address after: 401220 No. 1, Gangcheng Road, Changshou District, Chongqing Patentee after: Chongqing Iron and Steel Co., Ltd. Address before: 400080 No. 1, three village, Dadun three, Dadukou District, Chongqing Patentee before: Chongqing Iron & Steel (Group) Co., Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No.2 Jiangnan Avenue, Jiangnan street, Changshou District, Chongqing 401220 Patentee after: CHONGQING IRON & STEEL Co.,Ltd. Address before: 401220 No. 1, Gangcheng Road, Changshou District, Chongqing Patentee before: CHONGQING IRON & STEEL Co.,Ltd. |