CN205235208U - Fire protection system - Google Patents
Fire protection system Download PDFInfo
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- CN205235208U CN205235208U CN201520976564.9U CN201520976564U CN205235208U CN 205235208 U CN205235208 U CN 205235208U CN 201520976564 U CN201520976564 U CN 201520976564U CN 205235208 U CN205235208 U CN 205235208U
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Abstract
The utility model relates to a safe fire prevention field during electronic waste collects and handles, concretely relates to fire protection system. Fire protection system includes: system nitrogen device for continuously produce nitrogen gas, the buffer tank, the inlet end with the end intercommunication of giving vent to anger of system nitrogen device, the inlet end intercommunication in give vent to anger end and the prevention fire space of buffer tank, be used for lasting to the nitrogen gas of scheduled volume lets in in the prevention fire space, negative -pressure air fan, with the end intercommunication of giving vent to anger in prevention fire space is used for the discharge gas in the prevention fire space. The utility model discloses a fire protection system produces nitrogen gas through system nitrogen device with continuouslying, and nitrogen gas carries on letting in behind the buffer tank with continuouslying and circulates in preventing fiery space to discharge and prevent oxygen and the inflammable gas in the fire space, fundamental emergence of stopping to catch fire, with low costs, the security is high.
Description
Technical field
The utility model relates to fire safety field in electron wastes collection and treatment, is specifically related to a kind of anti-Ignition system.
Background technology
Along with current electric appliance and electronic product rejection quantity increases, the enviromental protection enterprise of the recycling various places that also distribute;But the production capacity of reclaimer increases and security performance does not but improve, equipment safety in operation is low,Some equipment easily produce fuel gas in recycling process, easily cause the potential safety hazards such as fire.Particularly waste refrigerators employing at present is pentamethylene refrigerator, in being torn up or being extruded process, can dischargeGo out pentamethylene gas, and pentamethylene is inflammable gas, along with improving constantly of production capacity, the machine of breaking out of fireIt is larger that rate becomes.
At present, most of returned enterprise uses traditional mode such as spray or carbon-dioxide protecting to carry outFire extinguishing, could move while only having the fire of generation, does not have fireproofing function, and fire extinguishing effect is also undesirable,Easily cause casualties and property loss.
Summary of the invention
The purpose of this utility model is to provide a kind of fire prevention system, to solve above-mentioned at least one problem.
The technical solution of the utility model is:
A kind of fire prevention system, comprising:
Nitrogen-making device, for continuing to produce nitrogen;
Surge tank, inlet end is communicated with the outlet side of described nitrogen-making device, the outlet side of described surge tank withThe inlet end of pre-fire protection space is communicated with, for continuing to pass into described pre-fire protection space the nitrogen of scheduled volume;
Negative-pressure air fan, is communicated with the outlet side of described pre-fire protection space, for discharging described pre-fire protection spaceIn gas.
Alternatively, described fire prevention system also comprises:
Nitrogen storage tank, inlet end is communicated with the outlet side of described nitrogen-making device, the giving vent to anger of described nitrogen storage tankEnd is communicated with the inlet end of described pre-fire protection space by automatic switch valve;
Flame sensor, be arranged in described pre-fire protection space, for detection of in described pre-fire protection spaceFlame information, and detecting that controlling described automatic switch valve while there is flame in described pre-fire protection space opensOpen.
Alternatively, described pre-fire protection space comprises the first shredder space;
The outlet side of described surge tank is disposed with pressure-reducing valve, first flow meter and the first check valve,The port of export of described the first check valve is connected with the first pipeline;
Described the first pipeline successively by the first manual modulation valve, the second flowmeter and the second check valve withInlet end on described the first shredder space is communicated with, and the outlet side in described the first shredder space is by theOne air door switch is communicated with the inlet end of described negative-pressure air fan;
The outlet side of described nitrogen storage tank is successively by the first automatic switch valve and the 3rd flowmeter and described theThe inlet end in one shredder space is communicated with.
Alternatively, the inlet end on described the first shredder space comprises multiple, described the second check valveSecond manual modulation valve of outlet side by respective numbers respectively with described the first shredder space on multipleInlet end is communicated with;
Described three flowmeter of the outlet side of described the first automatic switch valve by respective numbers respectively with instituteMultiple inlet ends of stating on the first shredder space are communicated with.
Alternatively, described pre-fire protection space comprises the second shredder space;
The port of export of described the first check valve is also connected with the second pipeline;
Described the second pipeline successively by the 3rd manual modulation valve, the 4th flowmeter and the 3rd check valve withInlet end on described the second shredder space is communicated with, and the outlet side in described the second shredder space is by theTwo air door switch are communicated with the inlet end of described negative-pressure air fan;
The outlet side of described nitrogen storage tank is successively by the second automatic switch valve and the 5th flowmeter and described theThe inlet end in two shredder spaces is communicated with.
Alternatively, the inlet end on described the second shredder space comprises multiple, described the 3rd check valveFour manual modulation valve of outlet side by respective numbers respectively with described the second shredder space on multipleInlet end is communicated with;
Described five flowmeter of the outlet side of described the second automatic switch valve by respective numbers respectively with instituteMultiple inlet ends of stating on the second shredder space are communicated with.
Alternatively, described pre-fire protection space comprises foam compression machine space;
The port of export of described the first check valve is also connected with the 3rd pipeline;
Described the 3rd pipeline is successively by the 5th manual modulation valve and electric switching valve and described foam compression machineInlet end on space is communicated with.
Alternatively, the flame sensor in described the first shredder space comprises two.
Alternatively, the flame sensor in described the second shredder space is one.
The beneficial effects of the utility model:
Fire prevention system of the present utility model, continues to produce nitrogen by nitrogen-making device, and nitrogen carries out surge tankAfter continue to be passed in pre-fire protection space and circulate, thereby discharge oxygen in pre-fire protection space and inflammableGas, fundamentally stops generation on fire, and cost is low, safe.
Brief description of the drawings
Fig. 1 is the structural representation of a preferred embodiment of the utility model fire prevention system.
Detailed description of the invention
Here will at length describe exemplary embodiment, its sample table shows in the accompanying drawings. BelowWhen description relates to accompanying drawing, unless separately there is expression, the same numbers in different accompanying drawings represents same or analogousKey element.
As shown in Figure 1, a kind of fire prevention system that the utility model provides, is mainly used in returning scrapping electrical equipmentSuch as shredder space, foam compression machine space etc. in receipts system prevent fires.
Fire prevention system of the present utility model comprises nitrogen-making device 1, surge tank 2 and negative-pressure air fan 3.
Nitrogen-making device 1 can adopt known multiple applicable device, for continuing to produce nitrogen; This realityExecute in example, preferably adopt PSA nitrogen-making device; PSA nitrogen-making device utilizes molecular sieve to gas with various moleculeThe difference of " absorption " performance and admixture of gas is separated, it is taking air as raw material, utilizes a kind of highThe performance of usefulness, the selective absorption of the high solid absorbent of selecting to nitrogen and oxygen is airborne nitrogen and oxygenSeparate. Nitrogen flow and purity can adjust accordingly according to different system, preferred in the present embodimentFlow is 400Nm3/ h, purity are 97%.
Surge tank 2 is for storing nitrogen, and its inlet end is communicated with the outlet side of nitrogen-making device 1, surge tank 2Outlet side be communicated with the inlet end of pre-fire protection space, surge tank 2 nitrogen can be along with system (nitrogen-making device)Move and move, for continuing to pass into pre-fire protection space the nitrogen of scheduled volume. It should be noted that,Between nitrogen-making device 1 and surge tank 2, (on pipeline) can arrange control valve, flowmeter as requiredDeng parts.
Negative-pressure air fan 3 is communicated with the outlet side of pre-fire protection space, for discharging the gas of pre-fire protection spaceBody; Wherein, in the gas of discharge, may comprise oxygen, nitrogen and other inflammable gases.
Fire prevention system of the present utility model, continues to produce nitrogen by nitrogen-making device 1, and nitrogen cushionsAfter tank 2, continue to be passed in pre-fire protection space and circulate, thus discharge oxygen in pre-fire protection space andInflammable gas, fundamentally stops generation on fire, and cost is low, safe.
Further, fire prevention system of the present utility model also comprises nitrogen storage tank 4 and flame sensor 5. NitrogenThe inlet end of gas storage tank 4 is communicated with the outlet side of nitrogen-making device 1, and the outlet side of nitrogen storage tank 4 is passed through certainlyMoving switch valve is communicated with the inlet end of pre-fire protection space, presses when nitrogen storage tank 4 is full of nitrogen and reaches to setInflated with nitrogen no longer inwards after power, and nitrogen storage tank mesohigh nitrogen is only just opened detecting after flame.Flame sensor 5 is arranged in pre-fire protection space, for detection of the flame information in pre-fire protection space, andDetecting that controlling automatic switch valve while there is flame in pre-fire protection space opens; Certainly, flame passes hereinIn sensor 5, acquiescence carries processing capacity, in addition, a processor also can be set separately and come flame to passThe Information Monitoring of sensor 5 is processed, thereby controls automatic switch valve.
In fire prevention system of the present utility model, pre-fire protection space can comprise the first shredder space 61, theTwo shredder spaces 62 and foam compression machine space 63. The outlet side of surge tank 2 is disposed with decompressionThe port of export of valve 21, first flow meter 71 and the first check valve 81, the first check valves 81 is divided into three tunnels,Be respectively the first pipeline, the second pipeline and the 3rd pipeline. Pressure-reducing valve 21 outlet pressures preferably existBetween 0.2Mpa-0.3Mpa; First flow meter 71 can regulate according to instrument size, is preferably400Nm3/h。
The first pipeline is successively by the first manual modulation valve 91, the second flowmeter 72 and the second check valve82 are communicated with the inlet end on the first shredder space 61, and the outlet side in the first shredder space 61 is passed throughThe first air door switch 31 is communicated with the inlet end of negative-pressure air fan 3; In addition, can be in the first shredder spaceNear setting pressure sensor P1 61 exhaust outlets, presses for detection of the gas in the first shredder space 61Power value, thereby feedback pressure signal to the first air door switch 31, adjustable negative by the first air door switch 31The suction air volume of pressure fan 3 is controlled the pressure in the first shredder space 61. Comply with the outlet side of nitrogen storage tank 4The inferior inlet end that passes through the first automatic switch valve 41 and the 3rd flowmeter 73 and the first shredder space 61 connectsLogical.
Further, the inlet end on the first shredder space 61 comprises multiple, the going out of the second check valve 82Gas end is manually adjusted by (identical with the inlet end quantity in the first shredder space 61) second of respective numbersJoint valve 92 is communicated with the multiple inlet ends on the first shredder space 61 respectively, thereby controls every pipelineThe nitrogen amount of entering, makes nitrogen be filled with the first shredder space 61 with optimum state; The first automatic switch valveThree flowmeter 73 of 41 outlet side by respective numbers respectively with the first shredder space 61 on manyIndividual inlet end is communicated with. In the present embodiment, the preferably inlet end on the first shredder space 61, second manualThe quantity of control valve 92 and the 3rd flowmeter 73 is respectively 8.
In addition, at the first shredder space 61 correct positions, two flame sensors 5 are installed, once detectTo the first interior naked light that exists in shredder space 61, flame sensor 5 is immediately by naked light signal feedback, and controlMake the first automatic switch valve 41 and open, will be stored in high pressure nitrogen in nitrogen storage tank 4 with outlet pressureThe pressure moment that value reaches 0.55Mpa-0.65Mpa is injected into the first shredder space 61, at short notice willOxygen and inflammable gas are discharged, thereby reach the object of fire extinguishing.
The second pipeline is successively by the 3rd manual modulation valve 93, the 4th flowmeter 74 and the 3rd check valve83 are communicated with the inlet end on the second shredder space 62, and the outlet side in the second shredder space 62 is passed throughThe second air door switch 32 is communicated with the inlet end of negative-pressure air fan 3; In addition, can be in the second shredder spaceNear setting pressure sensor P2 62 exhaust outlets, presses for detection of the gas in the second shredder space 62Power value, thereby feedback pressure signal to the second air door switch 32, adjustable negative by the second air door switch 32The suction air volume of pressure fan 3 is controlled the pressure in the second shredder space 62. Comply with the outlet side of nitrogen storage tank 4The inferior inlet end that passes through the second automatic switch valve 42 and the 5th flowmeter 75 and the second shredder space 62 connectsLogical.
Further, the inlet end on the second shredder space 62 comprises multiple, the going out of the 3rd check valve 83Four manual modulation valve 94 of gas end by respective numbers respectively with the second shredder space 62 on multipleInlet end is communicated with, thereby controls the nitrogen amount that every pipeline is entered, and makes nitrogen be filled with second with optimum stateShredder space 62; The outlet side of the second automatic switch valve 42 is by the 5th flowmeter 75 of respective numbersBe communicated with the multiple inlet ends on the second shredder space 62 respectively. In the present embodiment, preferably second tear upThe quantity of inlet end, the 4th manual modulation valve 94 and the 5th flowmeter 75 on machine space 62 is respectively5.
At the second shredder space 62 correct positions, a flame sensor 5 is installed, once detect secondThe interior naked light that exists in shredder space 62, flame sensor 5 feeds back naked light signal immediately, and controlsThe second automatic switch valve 42 is opened, and the high pressure nitrogen being stored in nitrogen storage tank 4 is reached with outlet pressure valueThe pressure moment of 0.55Mpa-0.65Mpa is injected into the second shredder space 62, at short notice by oxygenAnd inflammable gas discharges, thereby reach the object of fire extinguishing.
The 3rd pipeline is successively by the 5th manual modulation valve 95 and electric switching valve 43 and foam compression machine skyBetween inlet end on 63 be communicated with. It should be noted that, fire prevention system of the present utility model can be with recoveryIn system, disassemble the automatically controlled coupling of wire system, system remote start and stop, system operation feedback, fault feedback are providedSignal. Reach after fire extinguishing effect when high pressure nitrogen has sprayed, nitrogen-making device can be again in nitrogen storage tank 4Be full of nitrogen, make it recover original parameter for next time.
In addition, in fire prevention system of the present utility model, the first shredder space 61 and the second shredder space62 for continuing spray nitrogen, and spray nitrogen is not opened in foam compression machine space 63 conventionally, last before system operation shutdownCarry out start and stop by controlling knob control electric switching valve 43 in electrical control cubicles half an hour.
In fire prevention system of the present utility model, sustainable spray nitrogen, taking air as raw material, cost is lower, behaviourDo to safeguard simply, be applicable to be not limited only in the production line that has potential safety hazard of disassembling discarded refrigerator line.In addition, fire prevention system is safe, by the adjusting of each control valve, can make to reach in different pre-fire protection spacesTo the nitrogen amount of optimum state, and by pressing in negative-pressure air fan 3 and the adjustable pre-fire protection space of air door switchPower, and make airflow circulating, in time oxygen and inflammable gas are discharged to cavity. Further, the utility modelFire prevention system adopted secondary protection device, i.e. high pressure spray nitrogen, once detect that condition of a fire system stops automaticallyMachine also can carry out secondary fire extinguishing, and after having gone out, PSA nitrogen making machine can continue to be filled with nitrogen extremely in nitrogen storage tankInitial parameter, reaches and recycles.
In fire prevention system of the present utility model, to continue to spray the fire prevention of nitrogen one-level and the fire extinguishing of high pressure spray nitrogen secondaryPrinciple control, has thoroughly solved the problem that disassembling discarded refrigerator line catches fire in process of production often, improvesThe security performance of complete equipment, ensure the stability and safety operation of equipment; Nitrogen flow in this control modeCan adjust according to different production lines, applicable to the safety that exists that is not limited only to disassembling discarded refrigerator lineIn the production line of hidden danger.
The above, be only detailed description of the invention of the present utility model, but protection domain of the present utility modelBe not limited to this, any be familiar with those skilled in the art the utility model disclose technology modelIn enclosing, the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (9)
1. a fire prevention system, is characterized in that, comprising:
Nitrogen-making device (1), for continuing to produce nitrogen;
Surge tank (2), inlet end is communicated with the outlet side of described nitrogen-making device (1), described surge tank (2)Outlet side be communicated with the inlet end of pre-fire protection space, pass in advance to described pre-fire protection space for continuingQuantitative nitrogen;
Negative-pressure air fan (3), is communicated with the outlet side of described pre-fire protection space, for discharging described pre-fire preventionGas in space.
2. fire prevention system according to claim 1, is characterized in that, also comprises:
Nitrogen storage tank (4), inlet end is communicated with the outlet side of described nitrogen-making device (1), described nitrogen storageThe outlet side of tank (4) is communicated with the inlet end of described pre-fire protection space by automatic switch valve;
Flame sensor (5), is arranged in described pre-fire protection space, for detection of described pre-fire protection spaceIn flame information, and control described automatic switch while there is flame in described pre-fire protection space detectingValve is opened.
3. fire prevention system according to claim 2, is characterized in that, described pre-fire protection space comprisesThe first shredder space (61);
The outlet side of described surge tank (2) is disposed with pressure-reducing valve (21), first flow meter (71)And first check valve (81), the port of export of described the first check valve (81) is connected with the first pipeline;
Described the first pipeline is successively by the first manual modulation valve (91), the second flowmeter (72) and theTwo check valves (82) are communicated with the inlet end on described the first shredder space (61), and described first tearsThe outlet side in broken machine space (61) is entered by the first air door switch (31) and described negative-pressure air fan (3)Gas end is communicated with;
The outlet side of described nitrogen storage tank (4) is successively by the first automatic switch valve (41) and the 3rd flowMeter (73) is communicated with the inlet end in described the first shredder space (61).
4. fire prevention system according to claim 3, is characterized in that, described the first shredder space(61) inlet end on comprises multiple, and respective numbers is passed through in the outlet side of described the second check valve (82)The second manual modulation valve (92) respectively with described the first shredder space (61) on multiple inlet endsBe communicated with;
The outlet side of described the first automatic switch valve (41) is by described the 3rd flowmeter (73) of respective numbersBe communicated with the multiple inlet ends on described the first shredder space (61) respectively.
5. fire prevention system according to claim 3, is characterized in that, described pre-fire protection space comprisesThe second shredder space (62);
The port of export of described the first check valve (81) is also connected with the second pipeline;
Described the second pipeline is successively by the 3rd manual modulation valve (93), the 4th flowmeter (74) and theThree check valves (83) are communicated with the inlet end on described the second shredder space (62), and described second tearsThe outlet side in broken machine space (62) is entered by the second air door switch (32) and described negative-pressure air fan (3)Gas end is communicated with;
The outlet side of described nitrogen storage tank (4) is successively by the second automatic switch valve (42) and the 5th flowMeter (75) is communicated with the inlet end in described the second shredder space (62).
6. fire prevention system according to claim 5, is characterized in that, described the second shredder space(62) inlet end on comprises multiple, and respective numbers is passed through in the outlet side of described the 3rd check valve (83)The 4th manual modulation valve (94) respectively with described the second shredder space (62) on multiple inlet endsBe communicated with;
The outlet side of described the second automatic switch valve (42) is by described the 5th flowmeter (75) of respective numbersBe communicated with the multiple inlet ends on described the second shredder space (62) respectively.
7. fire prevention system according to claim 5, is characterized in that, described pre-fire protection space comprisesFoam compression machine space (63);
The port of export of described the first check valve (81) is also connected with the 3rd pipeline;
Described the 3rd pipeline is successively by the 5th manual modulation valve (95) and electric switching valve (43) and instituteThe inlet end of stating on foam compression machine space (63) is communicated with.
8. according to the fire prevention system described in claim 3 to 6 any one, it is characterized in that described firstFlame sensor (5) in shredder space (61) comprises two.
9. fire prevention system according to claim 8, is characterized in that, described the second shredder space(62) flame sensor (5) in is one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520976564.9U CN205235208U (en) | 2015-12-01 | 2015-12-01 | Fire protection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520976564.9U CN205235208U (en) | 2015-12-01 | 2015-12-01 | Fire protection system |
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| CN205235208U true CN205235208U (en) | 2016-05-18 |
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| CN201520976564.9U Active CN205235208U (en) | 2015-12-01 | 2015-12-01 | Fire protection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875539A (en) * | 2017-10-31 | 2018-04-06 | 天津森罗科技股份有限公司 | A kind of hypoxic fire prevention system and its method |
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2015
- 2015-12-01 CN CN201520976564.9U patent/CN205235208U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875539A (en) * | 2017-10-31 | 2018-04-06 | 天津森罗科技股份有限公司 | A kind of hypoxic fire prevention system and its method |
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