CN113399459A - Carbon dioxide automatic inflation system for fire fighting of rolling mill - Google Patents
Carbon dioxide automatic inflation system for fire fighting of rolling mill Download PDFInfo
- Publication number
- CN113399459A CN113399459A CN202110672139.0A CN202110672139A CN113399459A CN 113399459 A CN113399459 A CN 113399459A CN 202110672139 A CN202110672139 A CN 202110672139A CN 113399459 A CN113399459 A CN 113399459A
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- China
- Prior art keywords
- carbon dioxide
- weighing
- test block
- air charging
- hanging
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- Pending
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 47
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 47
- 238000005096 rolling process Methods 0.000 title claims abstract description 19
- 238000005303 weighing Methods 0.000 claims abstract description 59
- 238000012360 testing method Methods 0.000 claims abstract description 32
- 238000003860 storage Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 19
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 239000000314 lubricant Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A rolling mill carbon dioxide automatic inflation system for fire fighting comprises a weighing device, an inflation device and a control device; the weighing device comprises an S-shaped tensile weighing test block, the upper end of the S-shaped tensile weighing test block is hung on the cross beam through a first stud, the lower end of the S-shaped tensile weighing test block is connected with a hanging mechanism through a second stud, and the hanging mechanism is used for hanging the carbon dioxide gas storage bottle; the air charging device comprises an air charging pipeline and an air charging hose for connecting the air charging pipeline and the carbon dioxide gas storage bottle, and the air charging hose is provided with an electromagnetic valve; the control device is connected with the S-shaped tensile weighing test block and the electromagnetic valve. The invention has the following beneficial effects: 1. the adjustment is convenient, the occupied space is small, and the maintenance is convenient; 2. the accuracy of weighing measurement is improved; 3. the carbon dioxide gas storage cylinder is convenient to disassemble and assemble; 4. the influence of shaking on the S-shaped tensile weighing test block is eliminated, so that the weighing is more stable and reliable; 5. the automatic inflation of the carbon dioxide gas storage cylinder is realized.
Description
Technical Field
The invention relates to the field of rolling of nonferrous metals, in particular to an automatic carbon dioxide inflation system for fire fighting of a rolling mill.
Background
In the rolling process of non-ferrous metal strips and foils, a process lubricant is needed for lubrication, so that the effects of cleaning the surface, cooling plates and controlling the surface waves of the strips are achieved. Lubricants typically use kerosene as a base with small amounts of additives. During rolling, the lubricant volatilizes to generate a large amount of oil mist, and the oil mist with larger concentration is easy to catch fire to cause fire under the conditions of mechanical overheating, static accumulation, broken belt collision or high temperature, so that the working system of the rolling mill is required to be provided with enough fire extinguishing agent.
Carbon dioxide gas is often equipped in the field of nonferrous metal processing and used for extinguishing fire, the carbon dioxide gas is stored in a plurality of groups of high-pressure storage bottles, the carbon dioxide gas is rapidly sprayed out of the high-pressure storage bottles during firing, and the temperature and the oxygen concentration in the firing area are rapidly reduced so as to achieve the purpose of extinguishing fire. The usage amount of the carbon dioxide in the fire extinguishing area is set by calculation, and cannot be more or less, so that the carbon dioxide in each high-pressure storage bottle is required to be stored according to the amount at ordinary times, and once leakage occurs, the carbon dioxide should be found and supplemented in time, and therefore, the real-time monitoring of the weight of the carbon dioxide in each high-pressure storage bottle is particularly important.
The monitoring method used in the prior industry comprises a mechanical type and an electronic transmission type, wherein the mechanical type needs manual inspection and needs on-site checking of weighing indication; the electronic transmission type has the advantages of timeliness, continuity and the like, can carry out remote monitoring and alarming, and is applied more and more widely in the industry. However, weighing devices for weighing are various and the drawbacks of weighing devices have a great influence on the accuracy and sensitivity of the measurement. Similarly, the current aerating device for replenishing carbon dioxide also needs to be automatically realized to ensure the normal operation of the rolling mill production line.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses an automatic carbon dioxide inflation system for fire protection of a rolling mill, which adopts the following technical scheme:
a rolling mill carbon dioxide automatic inflation system for fire protection comprises:
the weighing device comprises an S-shaped tensile weighing test block, the upper end of the S-shaped tensile weighing test block is hung on the cross beam through a first stud, the lower end of the S-shaped tensile weighing test block is connected with a hanging mechanism through a second stud, and the hanging mechanism is used for hanging the carbon dioxide gas storage bottle;
the air charging device comprises an air charging pipeline and an air charging hose for connecting the air charging pipeline and the carbon dioxide gas storage bottle, wherein the air charging hose is provided with an electromagnetic valve;
and the control device is connected with the S-shaped tensile weighing test block and the electromagnetic valve.
According to the technical scheme, the hanging mechanism comprises a hanging block and a connecting ring, the connecting ring is connected to the neck of the carbon dioxide gas storage bottle in a threaded mode, and the hanging block is movably hinged to a pair of hanging rods.
The technical scheme is further improved, a ball head is arranged at the upper end of the hanging rod, an open slot for placing the hanging rod is formed in the hanging block, a ball socket is arranged on the upper end face of the open slot, and the ball socket is movably hinged with the ball head.
Further improve technical scheme, it has a pair of connecting nut to articulate on the go-between, is equipped with the external screw thread at the lower extreme of jib, jib and the connecting nut spiro union that corresponds.
Further improve technical scheme, controlling means is connected with the alarm.
The technical scheme is further improved, and the control device is connected with a nixie tube display.
Due to the adoption of the technical scheme, compared with the background technology, the invention has the following beneficial effects:
the mounting mode of the S-shaped tensile weighing test block is convenient to adjust, small in occupied space and convenient to maintain, and weighing precision deviation and signal transmission distortion caused by contact with other parts are avoided; secondly, this kind of connected mode has regulatory function, is favorable to improving the accuracy of weighing and measuring.
The suspender is in threaded connection with the connecting nut, so that the suspender can rotate relative to the hanging block around the pin, and the lengths of the two suspenders can be adjusted, thereby enabling the S-shaped tensile weighing test block to be in the best measurement state and improving the measurement precision.
The hemispherical head is movably hinged with the ball socket on the hanging block, so that the carbon dioxide gas storage cylinder is convenient to disassemble and assemble; secondly, the hemispherical head can rotate in the ball socket at a full angle, so that the influence of shaking of the carbon dioxide gas storage cylinder on the S-shaped tensile weighing test block is eliminated, and the weighing is more stable and reliable.
The carbon dioxide gas storage bottle can be automatically inflated according to the weighing information, and the normal operation of a rolling mill production line is guaranteed.
Drawings
Fig. 1 is a schematic structural view of a weighing apparatus.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a side view of fig. 2.
Fig. 4 is a schematic connection diagram of the control device.
In the figure: 1. a cross beam; 2. an S-shaped tensile weighing test block; 21. a deformation sensor; 3. a hanging block; 4. a connecting ring; 41. a connecting nut; 42. a pin; 5. a boom; 51. a hemispherical head; 6. a first stud; 7. a second stud; 8. a locknut; 9. a carbon dioxide gas cylinder; 10. an inflation conduit; 11. an inflation hose; 12. an electromagnetic valve.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "front", "rear", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are for convenience of description only, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
A carbon dioxide automatic inflation system for fire fighting of a rolling mill comprises a weighing device, an inflation device and a control device, and the structure and the function of the system are described in detail below.
As shown in fig. 1-3, the weighing device is suspended from a beam 1, the beam 1 being fixed to the group hall. The cross beam 1 is made of channel steel, a through hole is drilled in the bottom surface of the channel steel, a first stud 6 is connected in the through hole, an S-shaped tensile weighing testing block 2 is connected to the lower end of the first stud 6, a hanging mechanism is connected to the lower end of the S-shaped tensile weighing testing block 2 through a second stud 7, and the hanging mechanism is used for hanging a carbon dioxide gas storage bottle 9. The slotted part of the S-shaped tensile weighing test block 2 can generate stress deformation when bearing, and the deformation sensor 21 arranged on the S-shaped tensile weighing test block can sense the stress deformation and send weighing information to an external weighing control system. The electric signal output line of the deformation sensor 21 is arranged perpendicular to the cross beam 1, which is beneficial to laying and overhauling the electric signal output line.
Specifically, coaxial through holes are respectively formed in the upper end and the lower end of the S-shaped tensile weighing test block 2, and the first stud 6 and the second stud 7 are respectively connected with the through holes in the upper end and the lower end of the S-shaped tensile weighing test block 2 through two locknuts 8. The design can adjust the height of the S-shaped tensile weighing test block 2; secondly, the connection has an adjusting gap, so that the first stud 6 and the second stud 7 are easily collinear, and the accuracy of weighing measurement is improved.
The hanging mechanism comprises a hanging block 3 and a connecting ring 4. The existing standard gas storage bottle is provided with external threads at the neck part and is used for being additionally provided with a gas bottle cap. In the weighing apparatus, the connection ring 4 is screwed to the external thread and is integrated with the carbon dioxide cylinder 9. A pair of coupling nuts 41 are oppositely provided on the coupling ring 4, and the coupling nuts 41 are hinged to the coupling ring 4 by pins 42. A pair of suspension rods 5 are movably hinged on the hanging block 3, the upper ends of the suspension rods 5 are in threaded connection with hemispherical heads 51, an open slot for placing the suspension rods 5 is formed in the hanging block 3, and a ball socket is arranged on the upper end face of the open slot and is movably hinged with the hemispherical heads 51. The ball socket is movably hinged with the hemispherical head 51, so that the carbon dioxide gas storage bottle 9 is convenient to disassemble and assemble; secondly, the hemispherical head 51 can rotate in the ball socket at a full angle, so that the influence of the shaking of the carbon dioxide gas storage cylinder 9 on the S-shaped tensile weighing test block 2 is eliminated, and the weighing is more stable and reliable.
The lower end of the suspender 5 is provided with an external thread, and the suspender 5 is screwed with a corresponding connecting nut 41. The hanger rods 5 are threadedly engaged with coupling nuts 41 to enable the hanger rods 5 to rotate about pins 42 relative to the hitching block 3 and to enable the lengths of the two hanger rods 5 to be adjusted. The design can ensure that the gravity center of the carbon dioxide gas storage cylinder 9 is positioned on the extension lines of the first stud 6 and the second stud 7. Obviously, the S-shaped tensile weighing test block 2 can be in the best measurement state, and the measurement precision is improved.
As shown in fig. 2 to 3, the inflator includes an inflation tube 10, and an inflation hose 11 connecting the inflation tube 10 and the carbon dioxide cylinder. The air charging duct 10 is also fixed to the group hall and is arranged in parallel with the cross member 1. In order to control the amount of inflation, an electromagnetic valve 12 is provided on the inflation hose 11. Since the inflation hose 11 is flexibly connected to the inflation tube 10, the results of the weighing measurements are not affected.
As shown in fig. 4, the control device is connected to the S-shaped tensile weighing test block and the electromagnetic valve 12, and controls the electromagnetic valve 12 to open and close according to the weighing of the S-shaped tensile weighing test block. The control device is connected with an alarm and a nixie tube display, the nixie tube display is used for displaying weighing information and inflation information, and the alarm is used for reminding an operator.
The working process of the invention is as follows:
1. the beam 1 is fixed on a group frame entrance hall, then a first stud 6 penetrates into a through hole of the beam 1, the lower end of the first stud 6 is connected with a through hole at the upper end of an S-shaped tensile weighing test block 2, and the first stud is fixed by an upper locknut 8 and a lower locknut 8. The second stud 7 is connected with a through hole at the lower end of the S-shaped tensile weighing test block 2 through two locknuts 8 and is fixed by the locknuts 8, so that the top surface of the hanging block 3 is ensured to be level with the bottom surface of the S-shaped tensile weighing test block 2. This facilitates stable attachment of the carbon dioxide cylinder 9.
2. The adapter ring 4 is screwed to the neck of the carbon dioxide cylinder 9, a pair of coupling nuts 41 are mounted on the adapter ring 4 by means of pins 42, and the lower end of the hanger rod 5 is screwed into the coupling nuts 41.
3. The carbon dioxide gas storage bottle 9 is lifted by using a special bottle lifting device, then the suspender 5 is rotated, the hemispherical head 51 is placed into the ball socket on the hanging block 3, and finally the special bottle lifting device is lowered, so that the carbon dioxide gas storage bottle 9 falls down, and the hemispherical head 51 falls into the ball socket.
4. After fire extinguishment, the weight of the carbon dioxide gas cylinder 9 is reduced, the S-shaped tensile weighing test block 2 sends weighing information to the control device, and the control device controls the opening and closing of the electromagnetic valve according to the weighing information, so that the storage capacity of the carbon dioxide is kept stable.
The details of which are not described in the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a rolling mill is carbon dioxide automatic inflation system for fire control which characterized by: the method comprises the following steps:
the weighing device comprises an S-shaped tensile weighing test block, the upper end of the S-shaped tensile weighing test block is hung on the cross beam through a first stud, the lower end of the S-shaped tensile weighing test block is connected with a hanging mechanism through a second stud, and the hanging mechanism is used for hanging the carbon dioxide gas storage bottle;
the air charging device comprises an air charging pipeline and an air charging hose for connecting the air charging pipeline and the carbon dioxide gas storage bottle, wherein the air charging hose is provided with an electromagnetic valve;
and the control device is connected with the S-shaped tensile weighing test block and the electromagnetic valve.
2. The automatic carbon dioxide inflation system for fire fighting of rolling mills as claimed in claim 1, which is characterized in that: the hanging mechanism comprises a hanging connection block and a connection ring, the connection ring is screwed on the neck of the carbon dioxide gas storage bottle, and the hanging connection block is movably hinged with a pair of hanging rods.
3. The automatic carbon dioxide inflation system for fire fighting of rolling mills as claimed in claim 2, which is characterized in that: the upper end of the suspender is provided with a ball head, the hitching block is provided with an open slot for placing the suspender, the upper end face of the open slot is provided with a ball socket, and the ball socket is movably hinged with the ball head.
4. The automatic carbon dioxide inflation system for fire fighting of rolling mills as claimed in claim 3, which is characterized in that: the connecting ring is hinged with a pair of connecting nuts, the lower end of the suspender is provided with external threads, and the suspender is in threaded connection with the corresponding connecting nuts.
5. The automatic carbon dioxide inflation system for fire fighting of rolling mills as claimed in claim 1, which is characterized in that: the control device is connected with an alarm.
6. The automatic carbon dioxide inflation system for fire fighting of rolling mills as claimed in claim 1, which is characterized in that: the control device is connected with a nixie tube display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110672139.0A CN113399459A (en) | 2021-06-17 | 2021-06-17 | Carbon dioxide automatic inflation system for fire fighting of rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110672139.0A CN113399459A (en) | 2021-06-17 | 2021-06-17 | Carbon dioxide automatic inflation system for fire fighting of rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113399459A true CN113399459A (en) | 2021-09-17 |
Family
ID=77684719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110672139.0A Pending CN113399459A (en) | 2021-06-17 | 2021-06-17 | Carbon dioxide automatic inflation system for fire fighting of rolling mill |
Country Status (1)
| Country | Link |
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| CN (1) | CN113399459A (en) |
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|---|---|---|---|---|
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| JPH06241875A (en) * | 1993-02-17 | 1994-09-02 | Tokimec Inc | Fire-extinguishing agent monitor |
| EP0882470A2 (en) * | 1997-06-05 | 1998-12-09 | TOTAL WALTHER GmbH, Feuerschutz und Sicherheit | Fire extinguishing plant |
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| CN111595495A (en) * | 2020-05-19 | 2020-08-28 | 蚌埠启力传感系统工程有限公司 | Tension and pressure sensor |
| CN211529008U (en) * | 2020-01-17 | 2020-09-18 | 上海药明生物技术有限公司 | Full-automatic supplementary device and system for injection water |
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-
2021
- 2021-06-17 CN CN202110672139.0A patent/CN113399459A/en active Pending
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| EP0882470A2 (en) * | 1997-06-05 | 1998-12-09 | TOTAL WALTHER GmbH, Feuerschutz und Sicherheit | Fire extinguishing plant |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20210917 |