CN204503799U - A kind of high pressure descaling water system - Google Patents
A kind of high pressure descaling water system Download PDFInfo
- Publication number
- CN204503799U CN204503799U CN201520191866.5U CN201520191866U CN204503799U CN 204503799 U CN204503799 U CN 204503799U CN 201520191866 U CN201520191866 U CN 201520191866U CN 204503799 U CN204503799 U CN 204503799U
- Authority
- CN
- China
- Prior art keywords
- group
- high pressure
- water
- liquid level
- energy storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The utility model relates to a kind of high pressure descaling water system, comprises energy storage tank group, and energy storage tank group is connected to injection valve group by the first pipeline, and injection valve group is connected to descaling header by second pipe; This high pressure descaling water system also comprises supply-water pump group, supply-water pump group is connected to energy storage tank group and injection valve group by the 3rd pipeline, supply-water pump group comprises pump group motor, the speed governing coupler be connected with pump group motor, the coupler speed governing oil cylinder be connected with speed governing coupler and water pump, water pump is connected to described 3rd pipeline, also PLC is provided with between energy storage tank group and described coupler speed governing oil cylinder, energy storage tank group comprises high pressure tank, water tank is provided with pressure sensor and liquid level sensor, pressure sensor and liquid level sensor are all connected to PLC.The system hydraulic pressure wide fluctuations problem that this de-scaling water system can solve pump group response lag preferably, the supply of de-scaling water causes not in time, keeps stable descaling process demand hydraulic pressure.
Description
Technical field
The utility model belongs to the online technical field removing iron scale in steel hot rolling rolling process process, relate to a kind of device of high pressure descaling, especially a kind of high pressure descaling water system, adopt this high pressure descaling water system, effectively can not only remove the iron scale in steel hot rolling process, and the stability of de-scaling water system pressure can be controlled.
Background technology
Steel hot rolling rolling process needs to remove by high-pressure water jet the iron scale that in heating and the operation of rolling, steel surface generates and is controlled to quality.Descaling system hydraulic pressure is the key parameter ensureing de-scaling quality.And along with the increase of steel strength performance rate, more and more higher to the demand of de-scaling hydraulic pressure, the range of pressure fluctuations particularly during de-scaling produces directly impact to scale removal effect.
All the time, high pressure descaling water system is all the high-pressure water tank, the high pressure gas holder composition energy storage tank group that are equipped with large volume, using the water under high pressure of energy storage tank accumulation as main de-scaling water source supply descaling header, system cloud gray model uses " energy storage tank water level " control pump group lifting speed to supplement to energy storage tank and supplies water.Because descaling process has significantly big yield characteristic in short-term, rely on energy storage tank water lev el control mode, its volume settings is larger, pump group raising speed is suppressed relative system hydraulic demand and is existed larger delayed, water under high pressure is often caused to can not get the supplementary water pressure fluctuations scope that causes in time comparatively large, particularly when water level is in position near lower limit, water shortage de-scaling water consumption that tank group is remaining, be difficult to maintain the de-scaling hydraulic pressure needed, thus de-scaling quality problems occur.This is the deficiencies in the prior art part.
Therefore, the high pressure descaling water system designing a kind of stable water pressure is provided, solves above-mentioned technical problem, be necessary.
Utility model content
The purpose of this utility model is, for the defect existed in above-mentioned prior art, provides design a kind of high pressure descaling water system, to solve the problems of the technologies described above.
For achieving the above object, the utility model provides following technical scheme:
A kind of high pressure descaling water system, comprise energy storage tank group, described energy storage tank group is connected to injection valve group by the first pipeline, and described injection valve group is connected to descaling header by second pipe, it is characterized in that: this high pressure descaling water system also comprises supply-water pump group, described supply-water pump group is connected to energy storage tank group and injection valve group by the 3rd pipeline, described supply-water pump group comprises pump group motor, the speed governing coupler be connected with pump group motor, the coupler speed governing oil cylinder be connected with speed governing coupler and water pump, described water pump is connected to described 3rd pipeline, also PLC is provided with between described energy storage tank group and described coupler speed governing oil cylinder, described energy storage tank group comprises high pressure tank, water tank and lowest liquid level valve group, described high pressure tank is communicated with water tank, described water tank is provided with pressure sensor and liquid level sensor, described pressure sensor and liquid level sensor are all connected to PLC.
Preferably, described injection valve group comprises injection valve and gauge tap; Injection valve controls the supply of descaling header water, and gauge tap is for controlling the open and close of injection valve.
Preferably, described gauge tap is magnetic valve; Adopt magnetic valve as the gauge tap of injection valve, the automatic control of injection valve can be realized.
Preferably, described pressure sensor is HM10 model pressure sensor; Adopt the pressure sensor of HM10 model, can not only pressure information in accurate acquisition water tank, and convenient fixing is installed.
Preferably, described liquid level sensor is high pressure resistant analog quantity liquid level sensor; Adopt high pressure resistant analog quantity liquid level sensor, can not only liquid level information in accurate acquisition water tank, and can implement to show actual liquid level on HMI operation supervise and control picture, be convenient to monitor safe operation.
Preferably, described first pipeline, second pipe and the 3rd pipeline are hot rolled seamless steel tube; Adopt hot rolled seamless steel tube can meet the pressure needs of water under high pressure to transmission pipeline, to guarantee the safe transmission of water under high pressure.
A control method for high pressure descaling water system, comprises the steps:
S1: the pressure sensor in water tank and liquid level sensor gather pressure signal in water tank and liquid level signal;
S2: the pressure signal collected and liquid level signal are sent to PLC by pressure sensor and liquid level sensor;
The pressure signal that S3:PLC controller collects according to pressure sensor and liquid level sensor and liquid level signal, control the lifting/lowering speed of coupler speed governing oil cylinder.
Preferably, described step S3 comprises the steps:
S3.1: pressure signal and the hydraulic pressure higher limit preset are compared, if pressure signal value is higher than hydraulic pressure higher limit, forwards step S3.5 to, otherwise forward S3.2 to;
S3.2: compare liquid level signal and default liquid level limit, if liquid level signal value limits higher than in liquid level, forward step S3.5 to, otherwise forward S3.3 to;
S3.3: pressure signal and the hydraulic pressure lower limit preset are compared, if pressure signal value is lower than hydraulic pressure higher limit, forwards step S3.6 to, otherwise forward step S3.4 to;
S3.4; Liquid level signal value and the bottom level limit preset are compared, if liquid level signal value is higher than bottom level limit, forwards step S3.1 to; Otherwise forward step S3.6 to;
S3.5:PLC controls coupler speed governing oil cylinder reduction of speed to base speed position, to stop supply-water pump group to supply water, forwards step S3.1 to;
S3.6:PLC controls coupler speed governing oil cylinder raising speed to high speed position, to make supply-water pump group supply water, and forwards step S3.1 to.
The beneficial effects of the utility model are, by arranging pressure sensor and liquid level sensor on water tank, pressure information in Real-time Collection water tank and liquid level information, and reach PLC in time, the pressure signal that PLC collects according to pressure sensor and liquid level sensor and liquid level signal, coupler speed governing oil cylinder is controlled based on " Stress control, Liquid level are auxiliary " the accurate setting pressure of logic and liquid level bound place value, to realize the control to supply-water pump group, system running pressure is stabilized in descaling process claimed range.The system hydraulic pressure wide fluctuations problem that this de-scaling high pressure water system can solve pump group response lag preferably, the supply of de-scaling water causes not in time, keeps stable descaling process demand hydraulic pressure.In addition, the utility model design principle is reliable, and structure is simple, has application prospect widely.
As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, and its beneficial effect implemented also is apparent.
Accompanying drawing explanation
The structural representation of a kind of high pressure descaling water system that Fig. 1 provides for the utility model.
Wherein, 1-energy storage tank group, 2-first pipeline, 3-injection valve group, 4-second pipe, 5-descaling header, 6-supply-water pump group, 7-the 3rd pipeline, 8-PLC controller, 1.1-water tank, 1.2-high pressure tank, 1.3-lowest liquid level valve group, 1.4-pressure sensor, 1.5-liquid level sensor, 3.1-injection valve, 3.2-gauge tap, 6.1-pump group motor, 6.2-speed governing coupler, 6.3-coupler speed governing oil cylinder, 6.4-water pump.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by specific embodiment, the utility model is elaborated, and following examples are to explanation of the present utility model, and the utility model is not limited to following embodiment.
As shown in Figure 1, a kind of high pressure descaling water system that the utility model provides, comprise energy storage tank group 1, described energy storage tank group 1 is connected to injection valve group 3 by the first pipeline 2, and described injection valve group 3 is connected to descaling header 5 by second pipe 4, this high pressure descaling water system also comprises supply-water pump group 6, described supply-water pump group 6 is connected to energy storage tank group 1 and injection valve group 3 by the 3rd pipeline 7, described supply-water pump group 6 comprises pump group motor 6.1, the speed governing coupler 6.2 be connected with pump group motor 6.1, the coupler speed governing oil cylinder 6.3 be connected with speed governing coupler 6.2 and water pump 6.4, described water pump 6.4 is connected to described 3rd pipeline 7, PLC 8 is also provided with between described energy storage tank group 1 and described coupler speed governing oil cylinder 6.3, described energy storage tank group comprises high pressure tank 1.1, water tank 1.2 and lowest liquid level valve group 1.3, described high pressure tank 1.1 is communicated with water tank 1.2, described water tank 1.2 is provided with pressure sensor 1.4 and liquid level sensor 1.5, described pressure sensor and liquid level sensor are all connected to PLC 8.
By arranging pressure sensor 1.4 and liquid level sensor 1.5 on water tank 1.2, pressure signal on Real-time Collection water tank 1.2 and liquid level signal, and reach PLC 8 in time, the pressure signal that PLC 8 collects according to pressure sensor 1.4 and liquid level sensor 1.5 and liquid level signal, control coupler speed governing oil cylinder 6.3, to realize the control to supply-water pump group 6, system running pressure is stabilized in descaling process claimed range.
In the present embodiment, described injection valve group 3 comprises injection valve 3.1 and gauge tap 3.2; Injection valve 3.1 controls the supply of descaling header 5 water, and gauge tap 3.2 is for controlling the open and close of injection valve 3.1.
In the present embodiment, described gauge tap 3.2 is magnetic valve; Adopt magnetic valve as the gauge tap 3.2 of injection valve 3.1, the automatic control of injection valve 3.1 can be realized.
In the present embodiment, described pressure sensor 1.4 is HM10 model pressure sensor; Adopt the pressure sensor of HM10 model, can not only pressure information in accurate acquisition water tank, and convenient fixing is installed.
In the present embodiment, described liquid level sensor 1.5 is high pressure resistant analog quantity liquid level sensor; Adopt high pressure resistant analog quantity liquid level sensor, can not only liquid level information in accurate acquisition water tank 1.1, and can implement to show actual liquid level on HMI operation supervise and control picture, be convenient to monitor safe operation.
In the present embodiment, described first pipeline, second pipe and the 3rd pipeline are hot rolled seamless steel tube; Adopt hot rolled seamless steel tube can meet the pressure needs of water under high pressure to transmission pipeline, to guarantee the safe transmission of water under high pressure.
The present embodiment additionally provides a kind of voltage stabilizing control method of high pressure descaling water system, comprises the steps:
S1: the pressure sensor on water tank and liquid level sensor gather pressure signal in water tank and liquid level signal;
S2: the pressure signal collected and liquid level signal are sent to PLC by pressure sensor and liquid level sensor;
The pressure signal that S3:PLC controller collects according to pressure sensor and liquid level sensor and liquid level signal, control the lifting/lowering speed of coupler speed governing oil cylinder.
In the present embodiment, described step S3 comprises the steps:
S3.1: pressure signal and the hydraulic pressure higher limit preset are compared, if pressure signal value is higher than hydraulic pressure higher limit, forwards step S3.5 to, otherwise forward S3.2 to;
S3.2: compare liquid level signal and default liquid level limit, if liquid level signal value limits higher than in liquid level, forward step S3.5 to, otherwise forward S3.3 to;
S3.3: pressure signal and the hydraulic pressure lower limit preset are compared, if pressure signal value is lower than hydraulic pressure higher limit, forwards step S3.6 to, otherwise forward step S3.4 to;
S3.4; Liquid level signal value and the bottom level limit preset are compared, if liquid level signal value is higher than bottom level limit, forwards step S3.1 to; Otherwise forward step S3.6 to;
S3.5:PLC controls coupler speed governing oil cylinder reduction of speed to base speed position, to stop supply-water pump group to supply water, forwards step S3.1 to;
S3.6:PLC controls coupler speed governing oil cylinder raising speed to high speed position, to make supply-water pump group supply water, and forwards step S3.1 to.
Preferred embodiment of the present utility model is only above; but the utility model is not limited thereto; any those skilled in the art can think there is no creationary change; and do not departing from the some improvements and modifications done under the utility model principle prerequisite, all should drop in protection domain of the present utility model.
Claims (6)
1. a high pressure descaling water system, comprises energy storage tank group, and described energy storage tank group is connected to injection valve group by the first pipeline, and described injection valve group is connected to descaling header by second pipe, it is characterized in that: this high pressure descaling water system also comprises supply-water pump group, described supply-water pump group is connected to energy storage tank group and injection valve group by the 3rd pipeline, described supply-water pump group comprises pump group motor, the speed governing coupler be connected with pump group motor, the coupler speed governing oil cylinder be connected with speed governing coupler and water pump, described water pump is connected to described 3rd pipeline, also PLC is provided with between described energy storage tank group and described coupler speed governing oil cylinder, described energy storage tank group comprises high pressure tank, water tank and lowest liquid level valve group, described high pressure tank is communicated with water tank, described water tank is provided with pressure sensor and liquid level sensor, described pressure sensor and liquid level sensor are all connected to PLC.
2. a kind of high pressure descaling water system according to claim 1, is characterized in that: described first pipeline, second pipe and the 3rd pipeline are hot rolled seamless steel tube.
3. a kind of high pressure descaling water system according to claim 1 and 2, is characterized in that: described injection valve group comprises injection valve and gauge tap.
4. a kind of high pressure descaling water system according to claim 3, is characterized in that: described gauge tap is magnetic valve.
5. a kind of high pressure descaling water system according to claim 4, is characterized in that: described pressure sensor is HM10 model pressure sensor.
6. a kind of high pressure descaling water system according to claim 5, is characterized in that: described liquid level sensor is high pressure resistant analog quantity liquid level sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520191866.5U CN204503799U (en) | 2015-04-01 | 2015-04-01 | A kind of high pressure descaling water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520191866.5U CN204503799U (en) | 2015-04-01 | 2015-04-01 | A kind of high pressure descaling water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204503799U true CN204503799U (en) | 2015-07-29 |
Family
ID=53701803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520191866.5U Expired - Fee Related CN204503799U (en) | 2015-04-01 | 2015-04-01 | A kind of high pressure descaling water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204503799U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741398A (en) * | 2015-04-01 | 2015-07-01 | 山东钢铁股份有限公司 | High-pressure scale removing water system and control method thereof |
| CN106311764A (en) * | 2016-08-29 | 2017-01-11 | 武汉钢铁股份有限公司 | Pressure measurement method and device of ultra-fast cooling system |
| CN112517509A (en) * | 2020-12-09 | 2021-03-19 | 北京机电研究所有限公司 | Device for removing oxide skin on two end surfaces of hot bar |
-
2015
- 2015-04-01 CN CN201520191866.5U patent/CN204503799U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741398A (en) * | 2015-04-01 | 2015-07-01 | 山东钢铁股份有限公司 | High-pressure scale removing water system and control method thereof |
| CN106311764A (en) * | 2016-08-29 | 2017-01-11 | 武汉钢铁股份有限公司 | Pressure measurement method and device of ultra-fast cooling system |
| CN112517509A (en) * | 2020-12-09 | 2021-03-19 | 北京机电研究所有限公司 | Device for removing oxide skin on two end surfaces of hot bar |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204503799U (en) | A kind of high pressure descaling water system | |
| CN204140527U (en) | A kind of hydraulic system of walking-beam furnace | |
| CN202530510U (en) | Frequency conversion and voltage transformation control system for centralized water supply | |
| CN203197017U (en) | Water supply and water return system of bar water-cooling device | |
| CN205116295U (en) | Negative pressure water supply equipment is not had in low energy consumption | |
| CN205116294U (en) | Volume does not have negative pressure water supply constant flow compensator from mode | |
| CN204892574U (en) | Equipment is descaled to hot rolling water under high pressure | |
| CN104741398A (en) | High-pressure scale removing water system and control method thereof | |
| CN205369391U (en) | Water -supplying device with bidirectional compensation | |
| CN201919642U (en) | Water feeding system of super dampening machine | |
| CN205475413U (en) | Anhydrous energy -saving water supply equipment of frequency conversion control that water factory was suitable for | |
| CN202531553U (en) | Efficient energy-saving and water-saving hydraulic pressure station | |
| CN205047543U (en) | Heating furnace hydraulic system economizer | |
| CN103759242A (en) | Energy-saving system for avoiding steam pressure fluctuations and recycling waste heat steam | |
| CN2675279Y (en) | Voltage-regulating energy-saving water-supplying device for hot rolled steel controlled-cooling system | |
| CN202517326U (en) | Lubricating oil dispensing device | |
| CN204910171U (en) | Steam sterilizer with function is eliminated to moisturizing low temperature | |
| CN208166708U (en) | A kind of water treatment system of frequency control | |
| CN105114372A (en) | Energy-saving method and apparatus for heating furnace hydraulic system | |
| CN204495083U (en) | A kind of iron/steel slag waste heat utilizes device | |
| CN201676903U (en) | Water supply installation of cooling system for plates after rolling | |
| CN202281044U (en) | Pressure-stabilizing system for oil transmission pipeline | |
| CN202164657U (en) | Household water supply system of pressure boosting | |
| CN202326469U (en) | Hydraulic pressure balance energy-saving reconstruction device of produced walking beam furnace | |
| CN106592708A (en) | Full-time pressure-superposed non-negative-pressure water supply device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20180401 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |