CN113399481A - Liquid level redundancy device of cold rolling processing liquid tank - Google Patents
Liquid level redundancy device of cold rolling processing liquid tank Download PDFInfo
- Publication number
- CN113399481A CN113399481A CN202110637347.7A CN202110637347A CN113399481A CN 113399481 A CN113399481 A CN 113399481A CN 202110637347 A CN202110637347 A CN 202110637347A CN 113399481 A CN113399481 A CN 113399481A
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- China
- Prior art keywords
- processing liquid
- liquid level
- cold rolling
- liquid tank
- lifting rod
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- 239000007788 liquid Substances 0.000 title claims abstract description 207
- 238000005097 cold rolling Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 14
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 25
- 238000011084 recovery Methods 0.000 description 16
- 238000003860 storage Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009469 supplementation Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B33/00—Safety devices not otherwise provided for; Breaker blocks; Devices for freeing jammed rolls for handling cobbles; Overload safety devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0239—Lubricating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a liquid level redundancy device of a cold rolling processing liquid tank, which comprises a fixed support, a stop block, a lifting rod, a floating ball and a proximity switch, wherein the fixed support is fixedly arranged above the processing liquid tank, the proximity switch is arranged at one end of the fixed support far away from the processing liquid tank, the lifting rod is movably arranged on the fixed support along the longitudinal direction, the stop block is connected with one end of the lifting rod far away from the processing liquid tank, and the floating ball is connected with one end of the lifting rod facing the processing liquid tank. The liquid level redundancy device for the cold rolling processing liquid tank is simple in structure and convenient to assemble, can effectively avoid overflow of processing liquid caused by failure faults of a processing liquid tank liquid level detection system, and reduces the fault rate of the liquid level detection system.
Description
Technical Field
The invention belongs to the technical field of cold rolling mills, and particularly relates to a liquid level redundancy device for a cold rolling processing liquid tank.
Background
The rolling of cold-rolled sheets generally uses working fluid for process cooling and lubrication, and because the working fluid is recycled, a suitable collecting and containing device is needed in the use process, and a working fluid recycling tank and a working fluid storage tank are generally adopted. In the use of working fluid, liquid level detection plays important effect, consequently deposits the case at working fluid collection box and working fluid and all installs liquid level detection system for detect the liquid level, participate in the preparation of working fluid, automatic control working fluid recovery pump and working fluid feed pump's start-up and stop simultaneously. At present, the level detection system of processing liquid carries out level detection through magnetism board level gauge, the floater level gauge, radar level gauge etc. and turns over, but no matter which kind of level gauge all has the failure of level detection system and the trouble that leads to in the use, thereby lead to the unable normal work of liquid level detection appearance, the interlock is inefficacy, it is too much to arouse that the processing liquid storage box adds water, the processing liquid collection box, the processing liquid is received the pump or the processing liquid supplies the liquid pump can not in time open the scheduling problem, cause the processing liquid to spill over, cause great waste and environmental protection accident, lead to the rolling mill stop production from this.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a liquid level redundancy device of a cold rolling processing liquid tank, which is arranged above the processing liquid tank, wherein:
the liquid level redundancy device of the cold rolling processing liquid tank comprises a fixed support, a stop block, a lifting rod, a floating ball and a proximity switch, wherein the fixed support is fixed above the processing liquid tank, the proximity switch is installed at one end, far away from the processing liquid tank, of the fixed support, the lifting rod is movably installed on the fixed support along the longitudinal direction, the stop block is connected to one end, far away from the processing liquid tank, of the lifting rod, and the floating ball is connected to one end, facing towards the processing liquid tank, of the lifting rod.
Preferably, in the redundant device for the liquid level of the cold rolling processing liquid tank, the redundant device for the liquid level of the cold rolling processing liquid tank further comprises a positioning sleeve for fixedly guiding the lifting rod, one end of the positioning sleeve is fixedly connected to the fixed support, and the other end of the positioning sleeve is connected to the lifting rod.
Preferably, in the above-described redundant device for the liquid level of the cold rolling process liquid tank, the number of the positioning sleeves in the redundant device for the liquid level of the cold rolling process liquid tank is 2.
Preferably, in the above-described cold rolling process liquid tank level redundancy device, the stopper in the cold rolling process liquid tank level redundancy device is cylindrical.
Preferably, in the redundant device for the liquid level of the cold rolling processing liquid tank, the stop block, the floating ball and the lifting rod in the redundant device for the liquid level of the cold rolling processing liquid tank are connected through threads, so that the positions of the stop block and the floating ball can be conveniently adjusted.
Preferably, in the redundant device for the liquid level of the cold rolling processing liquid tank, an opening is formed in one end, fixed to the processing liquid tank, of the fixed support, a stable sleeve is vertically installed on the bottom surface of the processing liquid tank, corresponding to the opening of the fixed support, and the floating ball is placed on the stable sleeve.
The liquid level redundancy device for the cold rolling processing liquid tank is simple in structure and convenient to assemble, can effectively avoid overflow of processing liquid caused by failure faults of a processing liquid tank liquid level detection system, and reduces the fault rate of the liquid level detection system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the liquid level redundancy apparatus of the cold rolling process liquid tank of the present invention (wherein the liquid level is at a high level);
fig. 2 is a schematic view of the liquid level redundancy device of the cold rolling process liquid tank of the present invention (in which the liquid level is at an ultra-high level).
Description of reference numerals: 1-a fixed support, 2-a stop block, 3-a lifting rod, 4-a floating ball, 5-a proximity switch and 6-a positioning sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the liquid level redundancy device of the cold rolling processing liquid tank of the invention is installed above the processing liquid tank, when the liquid level detection system is abnormal, the liquid level redundancy device of the cold rolling processing liquid tank of the invention is activated, and the processing liquid overflow of the processing liquid tank caused by the abnormality of the liquid level detection system is effectively avoided, the liquid level redundancy device of the cold rolling processing liquid tank of the invention comprises a fixed support 1, a stop block 2, a lifting rod 3, a floating ball 4 and a proximity switch 5, wherein the fixed support 1 is fixedly installed above the processing liquid tank, the proximity switch 5 is arranged at one end of the fixed support 1 far away from the processing liquid tank, the lifting rod 3 is movably connected with the fixed support 1 along the longitudinal direction, the floating ball 4 is connected at one end of the lifting rod 3 facing the processing liquid tank, the stop block 2 is connected at one end of the lifting rod 3 far away from the processing liquid tank, if the liquid level in the processing liquid tank is contacted with the floating ball 4, the floater 4 drives the lifting rod 3 to ascend, and then the stop block 2 on the lifting rod 3 triggers the proximity switch 5 to generate a signal so as to timely process the abnormity of the liquid level detection system.
A detection signal generated by a proximity switch 5 in the liquid level redundancy device of the cold rolling processing liquid tank body is input to a PLC control system through a cable.
As a specific implementation mode, the liquid level redundancy device of the cold rolling processing liquid tank further comprises a positioning sleeve 6 for fixedly guiding the lifting rod 3, one end of the positioning sleeve 6 is fixedly connected to the fixed support 1, and the other end of the positioning sleeve 6 is connected to the lifting rod 3.
Preferably, in order to prevent the floating ball 4 in the liquid level redundancy device of the cold rolling processing liquid tank from being impacted due to liquid level fluctuation, an opening is formed in one end, fixed to the processing liquid tank, of the fixed support 1, a stabilizing sleeve is vertically installed on the bottom surface, corresponding to the opening of the fixed support 1, of the processing liquid tank, and the floating ball 4 is placed on the stabilizing sleeve.
Preferably, to prevent the lift lever 3 from rotating to cause instability of the detection signal of the proximity switch 5, the stopper 2 is cylindrical.
Preferably, the connecting mode among the lifting rod 3, the stop block 2 and the floating ball 4 is threaded connection, so that the positions of the stop block 2 and the floating ball 4 can be conveniently adjusted.
Preferably, the number of the liquid levels in the processing liquid tank in the liquid level redundancy device of the cold rolling processing liquid tank is 5, and the liquid levels gradually rise from the bottom surface of the processing liquid tank and are sequentially a low liquid level, a high liquid level and an ultrahigh liquid level.
The liquid level redundancy device of the cold rolling processing liquid tank can be arranged above a processing liquid storage tank and a processing liquid recovery tank and respectively detects the liquid levels of the processing liquid storage tank and the processing liquid recovery tank.
The assembly method of the liquid level redundancy device of the cold rolling processing liquid tank body comprises the following steps: set up the opening with the one end of fixed bolster 1, and have open-ended one end with fixed bolster 1 and be fixed in processing liquid box top, install stabilizer sleeve in the processing liquid box bottom surface that 1 opening part of fixed bolster corresponds, and stabilizer sleeve is perpendicular with processing liquid box bottom surface, install proximity switch 5 in the one end that fixed bolster 1 kept away from the processing liquid box, with 6 mobilizable connections in fixed bolster 1 of lifter 3 through the position sleeve, connect dog 2 in the one end that lifter 3 kept away from the processing liquid box, connect floater 4 in the one end of lifter 3 orientation in the processing liquid box, and place floater 4 on stabilizer sleeve.
The use method of the liquid level redundancy device of the cold rolling processing liquid tank body comprises the following steps: when the liquid level detection system works normally, the processing liquid storage box detects by the liquid level detection system, when the liquid level of the processing liquid storage box is at a high liquid level, the processing liquid storage box stops water and oil supplementation, when the liquid level of the processing liquid storage box is at the high liquid level, a high liquid level alarm of the liquid level of the processing liquid storage box pops up on a main control HMI picture to prompt an operator to check and process, when the liquid level detection system is abnormal, for example, the liquid level detection system fails due to faults, the liquid level change condition cannot be detected, the water supplementation valve is closed due to faults, or a processing liquid recovery pump or a processing liquid supply pump fails, along with the continuous increase of the processing liquid, the liquid level of the processing liquid exceeds the high liquid level and rises continuously, when the liquid level of the processing liquid storage box exceeds the high liquid level and approaches the ultrahigh liquid level, the liquid level can support the floating ball 4 to rise, the floating ball 4 drives the lifting rod 3 to rise, and when the liquid level reaches the ultrahigh liquid level, the stop block 2 of the lifting rod 3 triggers the proximity switch 5 to generate a signal, activates PLC control program interlocking, forcibly closes the water and oil supplementing system, triggers HMI picture alarm, prompts an operator to check the state of the currently used liquid level meter and the state of a water supplementing valve in time, and processes faults in time; when the liquid level detection system works normally, the processing liquid recovery box detects by the liquid level detection system, when the liquid level of the processing liquid recovery box is at a high liquid level, a processing liquid recovery pump (the processing liquid recovery pump is used for one purpose and is standby for one purpose) in the processing liquid recovery box automatically starts one pump to pump the processing liquid into the processing liquid storage box, when the liquid level of the processing liquid recovery box is at a high liquid level, two processing liquid recovery pumps in the processing liquid recovery box start simultaneously to pump the processing liquid into the processing liquid storage box to avoid the overflow of the processing liquid, when the liquid level detection system is abnormal, for example, the liquid level detection system fails due to fault, the liquid level change condition cannot be detected, the fault of a water replenishing valve is not closed, or the fault of the processing liquid recovery pump or a processing liquid supply pump is avoided, along with the continuous increase of the processing liquid, the liquid level of the processing liquid continuously rises above the high liquid level, and when the liquid level of the processing liquid recovery box exceeds the high liquid level, when being close super high liquid level, the liquid level can hold up floater 4 and rise, floater 4 drives lifter 3 and rises, reaches super high liquid level when the liquid level, and proximity switch 5 is triggered to lifter 3's dog 2, the production signal, activation PLC control program interlocking, force start two processing liquid recovery pumps, trigger the HMI picture simultaneously and report to the police, the state of suggestion operating personnel in time inspection current level gauge to and processing liquid recovery pump state, in time handle the trouble.
The liquid level redundancy device for the cold rolling processing liquid tank is simple in structure and convenient to assemble, can effectively avoid overflow of processing liquid caused by failure faults of a processing liquid tank liquid level detection system, and reduces the fault rate of the liquid level detection system.
It is noted that, herein, relational terms such as "first," "second," and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities. Also, the term "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Meanwhile, the term "connected" and the like as used herein should be broadly interpreted as referring to a fixed connection, a detachable connection, a direct connection, or an indirect connection through intermediate components. In addition, "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like are referred to herein as being placed in the state shown in the drawings.
It should be further noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or alterations do not depart from the spirit of the invention.
Claims (6)
1. The liquid level redundancy device is characterized by comprising a fixed support, a stop block, a lifting rod, a floating ball and a proximity switch, wherein the fixed support is fixed above the processing liquid box, the proximity switch is installed at one end, far away from the processing liquid box, of the fixed support, the lifting rod is movably installed on the fixed support along the longitudinal direction, the stop block is connected to one end, far away from the processing liquid box, of the lifting rod, and the floating ball is connected to one end, far towards the processing liquid box, of the lifting rod.
2. The liquid level redundancy device of a cold rolling processing liquid tank of claim 1, further comprising a positioning sleeve for fixedly guiding the lifting rod, wherein one end of the positioning sleeve is fixedly connected to the fixing bracket, and the other end of the positioning sleeve is connected to the lifting rod.
3. The cold rolling process fluid tank level redundancy apparatus of claim 2, wherein the number of said position sleeves in said cold rolling process fluid tank level redundancy apparatus is 2.
4. The cold rolling process fluid tank level redundancy apparatus of claim 1, wherein said stop in said cold rolling process fluid tank level redundancy apparatus is cylindrical.
5. The redundant device for liquid level of cold rolling processing liquid tank of claim 1, wherein the stop block, the floating ball and the lifting rod are connected by screw threads, so as to adjust the position of the stop block and the floating ball.
6. The liquid level redundancy device of a cold rolling processing liquid tank body of claim 1, wherein an opening is provided at one end of the fixing bracket fixed to the processing liquid tank body, and a stabilizing sleeve is vertically installed on the bottom surface of the processing liquid tank body corresponding to the opening of the fixing bracket, and the floating ball is placed on the stabilizing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110637347.7A CN113399481A (en) | 2021-06-08 | 2021-06-08 | Liquid level redundancy device of cold rolling processing liquid tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110637347.7A CN113399481A (en) | 2021-06-08 | 2021-06-08 | Liquid level redundancy device of cold rolling processing liquid tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113399481A true CN113399481A (en) | 2021-09-17 |
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|---|---|---|---|
| CN202110637347.7A Pending CN113399481A (en) | 2021-06-08 | 2021-06-08 | Liquid level redundancy device of cold rolling processing liquid tank |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202238892U (en) * | 2011-08-18 | 2012-05-30 | 济南重工股份有限公司 | Graphite lubricating device for mandrel of pipe mill |
| CN205253739U (en) * | 2015-12-01 | 2016-05-25 | 宝钢特钢有限公司 | Belt filter of high -speed cold rolling mill of seamless steel pipe |
| CN107728659A (en) * | 2017-11-03 | 2018-02-23 | 行愿环保科技有限公司 | Control system of intelligently draining the oil and intelligent control method of draining the oil |
| CN110377063A (en) * | 2019-08-12 | 2019-10-25 | 芜湖新兴铸管有限责任公司 | Simple liquid-level auto-control device |
| CN111446108A (en) * | 2020-04-08 | 2020-07-24 | 内蒙古中钰泰德煤炭有限公司 | Novel float switch |
-
2021
- 2021-06-08 CN CN202110637347.7A patent/CN113399481A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202238892U (en) * | 2011-08-18 | 2012-05-30 | 济南重工股份有限公司 | Graphite lubricating device for mandrel of pipe mill |
| CN205253739U (en) * | 2015-12-01 | 2016-05-25 | 宝钢特钢有限公司 | Belt filter of high -speed cold rolling mill of seamless steel pipe |
| CN107728659A (en) * | 2017-11-03 | 2018-02-23 | 行愿环保科技有限公司 | Control system of intelligently draining the oil and intelligent control method of draining the oil |
| CN110377063A (en) * | 2019-08-12 | 2019-10-25 | 芜湖新兴铸管有限责任公司 | Simple liquid-level auto-control device |
| CN111446108A (en) * | 2020-04-08 | 2020-07-24 | 内蒙古中钰泰德煤炭有限公司 | Novel float switch |
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Application publication date: 20210917 |
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