CN208852953U - A kind of old metal crusher explosion protection system - Google Patents
A kind of old metal crusher explosion protection system Download PDFInfo
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- CN208852953U CN208852953U CN201820568241.XU CN201820568241U CN208852953U CN 208852953 U CN208852953 U CN 208852953U CN 201820568241 U CN201820568241 U CN 201820568241U CN 208852953 U CN208852953 U CN 208852953U
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- explosion
- crusher
- controller
- old metal
- protection system
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- 238000004880 explosion Methods 0.000 title claims abstract description 103
- 239000002184 metal Substances 0.000 title claims abstract description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 65
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000007789 gas Substances 0.000 claims abstract description 29
- 239000003595 mist Substances 0.000 claims abstract description 25
- 239000001301 oxygen Substances 0.000 claims abstract description 22
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 22
- 230000001629 suppression Effects 0.000 claims abstract description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 238000013022 venting Methods 0.000 claims abstract description 20
- 238000010926 purge Methods 0.000 claims abstract description 14
- 239000007921 spray Substances 0.000 claims description 9
- 230000000007 visual effect Effects 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000003923 scrap metal Substances 0.000 description 2
- 241000251131 Sphyrna Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
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- Disintegrating Or Milling (AREA)
Abstract
The utility model provides a kind of old metal crusher explosion protection system, system includes oxygen concentration sensor, gas pressure sensor, nitrogen purging system, water mist explosion suppression system, cleaning shaft shielding system, active venting of dust explosion system, hand control switch, combined aural and visual alarm and controller, the controller input terminal is electrically connected with the output end of sensor, and the output end of controller is electrically connected with nitrogen purging system, water mist explosion suppression system, cleaning shaft shielding system and active venting of dust explosion system.Old metal crusher explosion protection system provided by the utility model acquires signal in crusher chamber by sensor and is transferred to controller, controller transmits a signal to corresponding explosion-protection equipment after carrying out processing judgement, to realize the explosion prevention function of crusher, the harm for reducing explosion, guarantees the normal work of crusher and the safety of operator.
Description
Technical field
The utility model relates to old metal to be crushed reclaimer field more particularly to a kind of explosion-proof system of old metal crusher
System.
Background technique
Currently, old metal break process is current old metal processing method state-of-the-art in the world, China also gradually
It is promoted and applied.Broken process are as follows: scrap metal is transported to rolling device by charging gear, after being squeezed and deformed
Into crusher;Scrap metal generates extrusion deformation until broken under the impact repeatedly of grinder hammerhead.Since broken gives up
Often containing dangerous waste materials such as sump tank, exhaust gas bucket, waste oil paint can, useless danger chemicals tanks in material, in shattering process, when broken
When to these dangerous waste materials, inflammable, explosion hazard gases is built up in crusher chamber, broken machine cavity body temperature, pressure etc. it is external because
Element reaches certain condition, and main shaft tup and old metal, which are hit, generates spark, it is possible to cause burning and explosion, cause equipment
Damage, or even jeopardize the life and health safety of operator.
Utility model content
In order to solve the above problem, the utility model provides a kind of old metal crusher explosion protection system, can acquire in real time broken
Intracavitary oxygen concentration and gas pressure value, and judged with this and make quick response to realize the explosion prevention function of crusher, guarantee
The normal work of crusher and the safety of operator.
The utility model uses following technical scheme to solve above-mentioned technical problem:
A kind of old metal crusher explosion protection system includes oxygen concentration sensor, gas pressure sensor, nitrogen purging dress
It sets, water mist explosion suppression device, cleaning shaft isolating device, active explosion venting device and controller;
Old metal crusher explosion protection system according to the present utility model, for explosion, there is no having occurred and that this with explosion
Two kinds of situations, take different measures, more accurately and reliably realize the explosion prevention function of crusher.For explode there is no
Situation, mainly starting nitrogen purging device injection nitrogen to crusher chamber in, make it is gas inerted in crusher chamber, to be not achieved quick-fried
Fried condition prevents the generation of explosion;The case where having occurred and that for explosion mainly passes through starting water mist explosion suppression device injection
Water mist carries out cooling fire extinguishing, reduces and endangers caused by explosion;Start active explosion venting device and cleaning shaft isolating device simultaneously, it is main
The effect of dynamic explosion venting device is to make the high pressure gas of explosion generation to specifying safe direction to spread, and reduces explosion to broken machine part
Destruction;The effect of cleaning shaft isolating device is that the high pressure for preventing explosion from generating is spread to cleaning shaft, protects cleaning shaft.
By being endangered caused by the more reliable reduction explosion of a variety of explosion-protection equipments.
Preferably, the controller has multiple signal receiving ends and multiple signal sending ends, each signal is received
End respectively corresponds one signal sending end of control.
Old metal crusher explosion protection system according to the present utility model, controller have multiple signal receiving ends and multiple letters
Number transmitting terminal is, it can be achieved that connect multiple oxygen concentration sensors, multiple gas pressure sensors, multiple nitrogen on the controller lazy
Makeup is set and multiple water mist explosion suppression devices.Since crusher chamber inner volume is larger, the region for being easy to happen explosion is larger, needs not
It is respectively arranged oxygen concentration sensor, gas pressure sensor, nitrogen purging device and water mist explosion suppression device with region, when a certain
When the sensor response in region, controller controls the antiknock device starting in the region, not will start armamentarium, it is unnecessary to reduce
Waste.
Preferably, further including hand control switch, the signal of the hand control switch and the controller is received
End electrical connection, the controller receive after the trigger signal of the hand control switch to the water mist explosion suppression device, active
Explosion venting device, cleaning shaft isolating device send enabling signal.
Old metal crusher anti-explosion explosion-suppression control system according to the present utility model, if had occurred and that in crusher chamber quick-fried
Fried, gas pressure sensor does not respond to, and can trigger hand control switch by staff to start water mist explosion suppression device, master
Dynamic explosion venting device, cleaning shaft isolating device, reduce and endanger caused by explosion.
Preferably, further including combined aural and visual alarm, the combined aural and visual alarm is electrically connected with the control signal sending end,
The controller detects explode in crusher chamber after, send enabling signal and start combined aural and visual alarm and operator is warned
Show.
The utility model compared with the prior art by using the above technical solution, has the following technical effects;
1, the utility model can fast automatic hazard recognition information, and explosion-protection equipment can be started rapidly, it is effective to guarantee
The normal work of crusher and the safety of operator;
2, different measures is taken to carry out before the utility model occurs respectively for explosion and after explosion generation explosion-proof,
And a variety of antiknock devices are provided with, are injured caused by more acurrate reliable reduction explosion;
3, the utility model realizes regional explosion identification, and a certain region in crusher chamber can be recognized accurately by sensor
Precarious position differentiates, to control the explosion-protection equipment movement in this region, realizes that region is explosion-proof, reduces unnecessary waste.
Detailed description of the invention
Fig. 1 is the attachment structure schematic diagram of a preferred embodiment of the old metal crusher explosion protection system of the utility model;
Fig. 2 is the explosion-protection equipment specific structure composition figure of the old metal crusher explosion protection system of the utility model.
1- hand control switch in the figure, 2- oxygen concentration sensor, 3- gas pressure sensor, 4- controller, 5- sound
Light crossing-signal, 6- nitrogen purging device, 7- water mist explosion suppression device, 8- active explosion venting device, 9- cleaning shaft isolating device, 10-
Nitrogen nozzle, 11- air-operated solenoid valve, 12- nitrogen cylinder, 13- water tank, 14- hydraulic buttery valve, 15- hydraulic spray nozzle, the first electricity of 16-
Machine, 17- explosion relief door, the second motor of 18-, 19- isolating valve.
Specific embodiment
As shown in Figure 1, including oxygen the utility model discloses a kind of old metal crusher explosion protection system and control method
Concentration sensor 2, gas pressure sensor 3, nitrogen purging device 6, water mist explosion suppression device 7, active explosion venting device 8, dust removing tube
Road isolating device 9 and controller 4.The signal of the signal output end of the oxygen concentration sensor and the gas pressure sensor
Output end is electrically connected with the signal receiving end of the controller 4 respectively;The signal output end and the nitrogen of the controller 4 are lazy
Makeup is set 6, water mist explosion suppression device 7, cleaning shaft isolating device 9, active explosion venting device 8 and is electrically connected.
In the embodiment above, for old metal crusher explosion protection system, for explosion, there is no having sent out with explosion
Raw situation takes different explosion precautions, realizes the multistage anti-explosion explosion-suppression function of crusher, more acurrate reliable reduction explosion
Caused by endanger.For explosion there is no the case where, oxygen concentration sensor 2 detect crusher chamber in oxygen concentration, work as oxygen
When sensor detects that oxygen concentration is higher than 8% in crusher chamber, controller 4 sends signal triggering air-operated solenoid valve 11 and opens, nitrogen
Nozzle 10 sprays nitrogen, and oxygen concentration in crusher chamber is made to be consistently less than 8%, so that the condition of explosion is not achieved in broken intracavity gas,
Prevent the generation of explosion;The case where having occurred and that for explosion, gas pressure sensor 3 acquire broken intracavity gas pressure in real time
Power, sends a signal to the signal receiving end of controller 4 by signal output end afterwards, and controller 4 receives after signal to signal
Judged, if the judgement of controller 4 has occurred and that explosion at this time, signal triggering hydraulic buttery valve 14 will be sent and opened, water mist
The cooling fire extinguishing of 15 water spray of nozzle inhibits explosion further diffusion;Controller 4 sends enabling signal driving motor and opens simultaneously
Active explosion venting device 8 and cleaning shaft isolating device 9, the effect of active explosion venting device 8 be make explosion generate high pressure gas to
It specifies safe direction to spread, reduces destruction of the explosion to broken machine part;The effect of cleaning shaft isolating device 9 is to prevent from exploding
The high pressure of generation is spread to cleaning shaft, protects cleaning shaft.By water mist explosion suppression device 7, active explosion venting device 8 and dust removing tube
The combination of road isolating device 9, the more reliable generated harm of reduction explosion, ensure that crusher normal work and work people
The safety of member.
Preferably, controller 4 uses STM32 series monolithic in the present embodiment, with multiple signal receiving ends
With multiple signal sending ends, each signal receiving end respectively corresponds one signal transmitting terminal of control.
Old metal crusher anti-explosion explosion-suppression control system according to the present utility model, controller 4 are received with multiple signals
End and multiple signal sending ends on controller 4, it can be achieved that connect multiple oxygen concentration sensors 2, multiple gas pressures sensing
Device 3, multiple nitrogen purging devices 6 and multiple water mist explosion suppression devices 7.For nitrogen explosion protection system, by 2 He of oxygen concentration sensor
Nitrogen purging device 6 is arranged in explosive region different in crusher chamber, and oxygen concentration sensor (2) and gas pressure sense
Device (3) interval is mounted on crusher wall;When the oxygen concentration sensor 2 in some region responds, controller 4 controls this area
The nitrogen purging device 6 in domain sprays nitrogen, realizes this zone gas inerting explosion prevention function, not will start all nitrogen in crusher chamber
Gas inerting unit 6 starts, and reduces unnecessary waste;For water mist explosion suppression system, gas pressure sensor 3 and water mist are pressed down
Quick-fried device 7 is arranged in explosive region different in crusher chamber, when the gas pressure sensor 3 in some region responds, control
Device 4 processed will control the water mist explosion suppression device 7 in this region, realizes the datonation-inhibition function of this region fire extinguishing, not will start in crusher chamber
All water mist explosion suppression devices 7 start, and reduce unnecessary waste.For active venting of dust explosion system and active flameproof system, due to
Active explosion venting device 8 and cleaning shaft isolating device 9 only one, explosion time occurs in crusher chamber when detecting, controller 4 is straight
It connects control active explosion venting device 8 and cleaning shaft isolating device 9 starts, reduce and endangered caused by explosion.
Nitrogen purging device 6 employed in the present embodiment includes nitrogen nozzle 10, air-operated solenoid valve 11 and nitrogen cylinder 12,
The air-operated solenoid valve 11 is connected with the controller 4;The nitrogen cylinder 12 is connected by pipeline with multiple nitrogen nozzles 10, institute
The interval of nitrogen nozzle 10 is stated to be mounted on crusher wall.The water mist explosion suppression device 7 includes water tank 13, hydraulic buttery valve 14 and water
Atomizing nozzle 15, the hydraulic buttery valve 14 are connected with the controller 4;The water tank 13 passes through pipeline and multiple hydraulic spray nozzles 15
It is connected, the interval of hydraulic spray nozzle 15 is mounted on crusher wall.
Preferably, further including hand control switch 1, the signal of the hand control switch 1 and the controller 4 is sent out
Sending end electrical connection, the controller 4 receive after the trigger signal of the hand control switch 1 to the water mist explosion suppression device 7,
Active explosion venting device 8 and cleaning shaft isolating device 9 send enabling signal.Old metal crusher according to the present utility model is explosion-proof
Datonation-inhibition control system, if having occurred and that explosion in crusher chamber, gas pressure sensor 3 is not responded to, and can pass through staff
Hand control switch 1 is triggered to start water mist explosion suppression device 7, active explosion venting device 8 and cleaning shaft isolating device 9, is reduced quick-fried
It is endangered caused by fried.
Preferably, further including combined aural and visual alarm, the combined aural and visual alarm is electrically connected with the control signal sending end,
The controller 4 detects explode in crusher chamber after, send enabling signal starting combined aural and visual alarm to operator's progress
Warning.
Those skilled in the art can understand that unless otherwise defined, all terms used herein (including skill
Art term and scientific term) there is meaning identical with the general understanding of those of ordinary skill in the utility model fields
Justice.It should also be understood that those terms such as defined in the general dictionary should be understood that with upper with the prior art
The consistent meaning of meaning hereinafter, and unless defined as here, will not with idealization or meaning too formal come
It explains.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
The utility model processed, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of old metal crusher explosion protection system, which is characterized in that sensed comprising oxygen concentration sensor (2), gas pressure
Device (3), nitrogen purging device (6), water mist explosion suppression device (7), cleaning shaft isolating device (8), active explosion venting device (9) and control
Device (4) processed;The signal output end of the oxygen concentration sensor (2) and the signal output end of the gas pressure sensor (3)
It is electrically connected respectively with the signal receiving end of the controller (4);The signal output end and the nitrogen purging of the controller (4)
Device (6), water mist explosion suppression device (7), cleaning shaft isolating device (8) and active explosion venting device (9) electrical connection.
2. old metal crusher explosion protection system according to claim 1, which is characterized in that the oxygen concentration sensor
(2) multiple, and each oxygen concentration sensor (2), gas pressure sensor are provided with the gas pressure sensor (3)
(3) independent to be electrically connected with the signal receiving end of the controller (4).
3. old metal crusher explosion protection system according to claim 2, which is characterized in that the oxygen concentration sensor
(2) it is mounted on crusher wall with gas pressure sensor (3) interval.
4. old metal crusher explosion protection system according to claim 1, which is characterized in that the controller (4) uses
STM32 series monolithic.
5. old metal crusher explosion protection system according to claim 4, which is characterized in that the nitrogen purging device (6)
Including nitrogen nozzle (10), air-operated solenoid valve (11) and nitrogen cylinder (12), the air-operated solenoid valve (11) and the controller (4)
It is connected;The nitrogen cylinder (12) is connected by pipeline with multiple nitrogen nozzles (10), and nitrogen nozzle (10) interval is mounted on
On crusher wall.
6. old metal crusher explosion protection system according to claim 4, which is characterized in that the water mist explosion suppression device (7)
Including water tank (13), hydraulic buttery valve (14) and hydraulic spray nozzle (15), the hydraulic buttery valve (14) and the controller (4) phase
Even;The water tank (13) is connected by pipeline with multiple hydraulic spray nozzles (15), and hydraulic spray nozzle (15) interval is mounted on broken
On machine wall.
Priority Applications (1)
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CN201820568241.XU CN208852953U (en) | 2018-04-20 | 2018-04-20 | A kind of old metal crusher explosion protection system |
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CN201820568241.XU CN208852953U (en) | 2018-04-20 | 2018-04-20 | A kind of old metal crusher explosion protection system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108421603A (en) * | 2018-04-20 | 2018-08-21 | 南京航空航天大学 | A kind of old metal crusher explosion protection system and control method |
CN114306977A (en) * | 2021-12-24 | 2022-04-12 | 南京昭凌精密机械有限公司 | Explosion-proof system |
CN116213088A (en) * | 2023-01-05 | 2023-06-06 | 烟台大为环保科技有限公司 | Lithium battery charged crushing system and method |
-
2018
- 2018-04-20 CN CN201820568241.XU patent/CN208852953U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108421603A (en) * | 2018-04-20 | 2018-08-21 | 南京航空航天大学 | A kind of old metal crusher explosion protection system and control method |
CN114306977A (en) * | 2021-12-24 | 2022-04-12 | 南京昭凌精密机械有限公司 | Explosion-proof system |
CN116213088A (en) * | 2023-01-05 | 2023-06-06 | 烟台大为环保科技有限公司 | Lithium battery charged crushing system and method |
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