CN108956315A - A kind of fire extinguisher bottle pressure resistant testing device and test method - Google Patents
A kind of fire extinguisher bottle pressure resistant testing device and test method Download PDFInfo
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- CN108956315A CN108956315A CN201810731859.8A CN201810731859A CN108956315A CN 108956315 A CN108956315 A CN 108956315A CN 201810731859 A CN201810731859 A CN 201810731859A CN 108956315 A CN108956315 A CN 108956315A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a kind of fire extinguisher bottle pressure resistant testing device and test methods, comprising: protection bottle and fire extinguisher bottle；The bottleneck of protection bottle is equipped with the plug for blocking protection bottle and the ring cowling for compressing plug, the resistance huge discharge valve for preventing protection water in bottle from being largely discharged is equipped on plug and for observing the sight bubble bucket for whether having bubble to emerge at resistance huge discharge valve；The water inlet of protection bottle is connected with water pipe, and water pipe is equipped with the first valve and first pressure gauge；Fire extinguisher bottle is placed in protection bottle, and tracheae is connected at the air inlet of fire extinguisher bottle, and tracheae is equipped with valve module, pressure gauge component, pressure gauge for fire extinguisher detection mouth and pressurising/pressure relief opening.The present invention can accurately test whether fire extinguisher bottle leaks, and not can cause casualties when fire extinguisher bottle is quick-fried；Voltage-withstand test and the pressure gauge for fire extinguisher test of fire extinguisher bottle can be achieved at the same time without taking out the dry powder in fire extinguisher with regard to observable dry powder flow not discharge.
Description
Technical field
The present invention relates to fire extinguisher bottle voltage-withstand test technical field more particularly to a kind of fire extinguisher bottle pressure resistant testing device and
Test method.
Background technique
Due to safety problem, existing fire extinguisher bottle cannot do voltage-withstand test with air pressure；Because of the metal bottle gas of fire extinguisher
Power is huge after exposure, can cause casualties.Currently, various countries' fire extinguisher gas cylinder national standard uses hydraulic pressure test, the base of hydraulic pressure test
This process is as follows:
1, discharge；
2, extinguisher valve is opened；
3,100% extinguishing chemical is taken out；
4, add aqueous rust preventive into fire extinguisher bottle until full to spilling；
5, it is placed in the broken rear protector of exposure, locking can just pressurize greatly behind the door；
6, careful to check whether fire extinguisher bottle has leakage；In checking process but water leakage is more difficult to realize than gas leakage, because gas compares water
It is more times thin, so the hole on fire extinguisher bottle must arrive greatly water droplet and go out can just check；It especially exposes most of in broken rear protector
It is all blocked, influences field of view；
7, hydraulic pressure is released；
8, it dries in bottle；
9, valve and pipe must also be surveyed；
10, dry in endoscope proof bottle 100%；
11, professional certificate is issued.
It is not easy automation since fire extinguisher species size is various and voltage-withstand test process is time-consuming and laborious, if according to the water of standard
Testing procedure is pressed to carry out, the expense of labourer, traffic and filling extinguishing chemical are almost the expense of new fire extinguisher.Therefore,
Fire extinguisher was mostly just scrapped using 5 years not environmentally, or did false report without safety, or do hydraulic pressure test but do not dry and just fill powder
Deng and cause fire extinguisher directly to break down.
Meanwhile exposed when hydraulic pressure test it is broken can also hurt sb.'s feelings, so must provide " be placed in exposure it is broken after in protector, lock gate
Just pressurize ", dry powder to today there is no scientist to determine its service life, and " discharge can not see dry powder-shaped to the own permission of some national standards
It just scraps within the fire extinguisher of condition " 10 years；Because its body is plastics meeting aging, the existing situation that oneself has high-pressure glass window that can peep powder
(ZL201520611829.5), but steel cylinder is still obtained 5 years and is surveyed once.
Summary of the invention
Aiming at the shortcomings existing in the above problems, the present invention provides a kind of fire extinguisher bottle pressure resistant testing device and test
Method.
To achieve the above object, the present invention provides a kind of fire extinguisher bottle pressure resistant testing device, comprising:
Bottle is protected, the bottleneck of the protection bottle is equipped with for blocking the plug for protecting bottle and for compressing the plug
The ring cowling of son is equipped with the resistance huge discharge valve for preventing protection water in bottle from being largely discharged on the plug and for observing resistance greatly
The sight bubble bucket for whether thering is bubble to emerge at displacement valves；The water inlet of the protection bottle is connected with water pipe, sets on the water pipe
There are the first valve and first pressure gauge；
Fire extinguisher bottle, the fire extinguisher bottle are placed in the protection bottle, are connected with gas at the air inlet of the fire extinguisher bottle
Pipe, the tracheae are equipped with valve module, pressure gauge component, pressure gauge for fire extinguisher detection mouth and pressurising/pressure relief opening.
As a further improvement of the present invention, safety valve is installed on the protection bottle.
As a further improvement of the present invention, the plug is equipped with for sealing the protection bottle and plug junction
Sealing ring.
As a further improvement of the present invention, the ring cowling is bolted on the bottleneck of the protection bottle, described
It protects and stroke device is installed on the bottleneck of bottle, the valve module includes solenoid valve；When screwing the nut of the bolt for the ring
When lid compresses the plug, the nut of the bolt is against on the stroke device, controls the solenoid valve by the stroke device
It opens.
As a further improvement of the present invention, the valve module further include the second valve, third valve, the 4th valve, the 5th valve and
Pressure reducing valve；
The pressure reducing valve is arranged between the solenoid valve and gas source, and the second valve setting is in the solenoid valve and decompression
Between valve, the third valve is arranged between the solenoid valve and the second valve；
The air inlet of the solenoid valve and fire extinguisher bottle is arranged in the pressure gauge for fire extinguisher detection mouth and pressurising/pressure relief opening
Between, the pressure gauge for fire extinguisher detection mouth is equipped with the 4th valve, and the pressurising/pressure relief opening is equipped with the 5th valve.
As a further improvement of the present invention, the pressure gauge component includes second pressure gauge and third pressure gauge；
Second pressure gauge is arranged between second valve and third valve, and the third pressure gauge is arranged in the solenoid valve
Between the air inlet of fire extinguisher bottle.
The present invention also provides a kind of test methods of fire extinguisher bottle pressure resistant testing device, comprising:
Step 1, the pressure gauge connection equipped with check valve take out pressure gauge, connect tracheae on its interfaces, by fire extinguisher
Bottle is placed in protection bottle, and ring cowling, upper bolt, the nut that bolt is torqued-up to bolt are pressed on stroke device on cap, pressure, is led to
Overtravel device control solenoid valve is safely opened；
All valves are to close under step 2, original state, then open the first valve, and into protection bottle, nothing is pressed into water
It overflows and sees bubble bucket；After the completion, the first valve is closed；
Step 3 opens the second valve, third valve, the air inlet into fire extinguisher bottle, and is forced into the detection pressure of fire extinguisher bottle,
After the completion of pressurization, pressure is kept；
Whether step 4 has bubble to emerge by checking at sight bubble bucket, has, proves that fire extinguisher is scrapped, goes out without then proof
Firearm is intact；
Step 5 closes third valve, opens the 5th valve, by air pressure drop down to the detection pressure of pressure gauge for fire extinguisher；It will fire extinguishing
Device pressure gauge is mounted in pressure gauge for fire extinguisher detection mouth, opens the 4th valve；The 5th valve is opened, by air pressure from pressure gauge for fire extinguisher
The near pressure gauge for fire extinguisher of detection pressure operating pressure, compare the reading of third pressure gauge and pressure gauge for fire extinguisher, complete
The detection of pressure gauge for fire extinguisher；
Step 6 opens bolt, ring cowling and plug, takes out fire extinguisher bottle, unclamps tracheae, installs pressure gauge, completes detection.
As a further improvement of the present invention in step 3, when there is dry powder in fire extinguisher bottle, it is passed through nitrogen；Work as fire extinguishing
When device bottle is empty bottle, it is passed through dry air.
As a further improvement of the present invention, in steps of 5, the detection pressure of pressure gauge for fire extinguisher is 1.1~1.2 times
The operating pressure of pressure gauge for fire extinguisher.
Compared with prior art, the invention has the benefit that
Then the present invention adds measuring air pressure first to fire extinguisher external adding water to sight bubble bucket is overflowed into fire extinguisher bottle,；When working as
When fire extinguisher bottle explosion, a large amount of water in bottle is protected only just to be hindered from several drip of resistance huge discharge valve injection, so the pressure of water
Be and test pressure as, the quick-fried speed in water of fire extinguisher bottle is forced to slow down, breach is smaller, sound is smaller；
The present invention has by checking to see at bubble bucket whether have bubble to emerge, proves that fire extinguisher is scrapped, go out without then proof
Firearm is intact；Small leakage hole can also be seen by seeing bubble bucket on fire extinguisher bottle, avoid the leakage of fire extinguisher bottle voltage-withstand test
The problems such as inspection, false retrieval；
Test device of the invention can realize that the voltage-withstand test of fire extinguisher bottle and pressure gauge for fire extinguisher are surveyed by once pressurizeing
Examination.
Detailed description of the invention
Fig. 1 is the structure chart of fire extinguisher bottle pressure resistant testing device disclosed in an embodiment of the present invention；
Fig. 2 is the explosive view of fire extinguisher bottle pressure resistant testing device disclosed in an embodiment of the present invention；
Fig. 3 is enlarged drawing at A in Fig. 1；
Fig. 4 is enlarged drawing at B in Fig. 1.
In figure:
1, bottle is protected；2, bottleneck；3, safety valve；4, ring cowling；5, huge discharge valve is hindered；6, bolt；7, bubble bucket is seen；8, first
Valve；9, sealing ring；10, plug；11, first pressure gauge；12, pressure gauge for fire extinguisher；13, second pressure gauge；14, the second valve；15,
Third valve；16, the 4th valve；17, third pressure gauge；18, fire extinguisher bottle；19, solenoid valve；20, pressure reducing valve；21, tracheae；22, water
Pipe；23, the 5th valve；24, stroke device；25, spring.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The present invention is described in further detail with reference to the accompanying drawing:
As shown in Figs 1-4, the present invention provides a kind of fire extinguisher bottle pressure resistant testing device, comprising: protection bottle 1, bottleneck 2, peace
Full valve 3, ring cowling 4, resistance huge discharge valve 5, bolt 6, see bubble bucket 7, the first valve 8, sealing ring 9, plug 10, first pressure gauge 11,
Pressure gauge for fire extinguisher 12, second pressure gauge 13, the second valve 14, third valve 15, the 4th valve 16, third pressure gauge 17, fire extinguisher bottle
18, solenoid valve 19, pressure reducing valve 20, tracheae 21, water pipe 22, the 5th valve 23, stroke device 24 and spring 25；Wherein:
As shown in Figs. 1-2, protection bottle 1 of the invention is placed on pedestal, protect bottle 1 upper opening at weld or one at
Type has bottleneck 2, protects and is equipped with safety valve 3 on bottle 1；Plug 10 blocks at the upper opening of protection bottle 1, and protection bottle 1 is sealed
At closed container；In order to improve plug 10 and protect the leakproofness of bottle 1, sealing ring 9 is equipped on plug 10.Plug in order to prevent
When 10 fire extinguisher bottles 18 are with air pressure capable of being increased just in case explosion and be ejected, the present invention is equipped with the ring cowling for compressing plug 10 on plug 10
4, the annular groove cooperation of 4 bottom of ring cowling compresses the outer of plug 10, and cooperation is equipped with multiple bolts hole, ring cowling on ring cowling 4 and bottleneck 2
4 are fixed on the bottleneck 2 of protection bottle 1 by bolt 6.The water inlet of protection bottle 1 is connected with water pipe 22, and water pipe 22 is equipped with the
The junction of one valve 8 and first pressure gauge 11, water pipe 22 and protection 1 bottle wall of bottle is equipped with sealing ring, 22 one end of water pipe and water source phase
Even, in other end access protection bottle 1；After opening the first valve 8, adds water into protection bottle 1 through water pipe 22, water is allowed completely to cross sight bubble bucket
7；After water is full in protection bottle 1, the first valve 8 is closed；
As shown in figure 4, being equipped on plug 10 of the invention for preventing the resistance huge discharge that water is largely discharged in protection bottle 1
Valve 5 and for observing the sight bubble bucket 7 for whether having bubble to emerge at resistance huge discharge valve 5, resistance huge discharge valve 5 and sees bubble bucket 7
Structure is as shown in Fig. 1,2,4；Specific: the middle part of plug 10 is equipped with stud, is provided in the middle part of stud and communicates with bottle 1 is protected
Water hole, the lower end for seeing bubble bucket 7 are screwed on stud, and water is crossed at the middle part that the valve rod of resistance huge discharge valve 5 is threaded through sight bubble bucket 7
Kong Shang, valve rod upper end are bolted with mushroom shape handle, on the water hole that valve rod lower end plug is pressed on stud under the action of spring 35.
When water discharge capacity is smaller, the colloid plug of valve rod lower end is jacked down, and water flow can water hole, valve rod and sight bubble bucket through stud
It is discharged at the gap of 7 middle part water holes, can see thering is bubble to emerge in seeing bubble bucket 7；When water discharge capacity is larger, huge discharge is hindered
The plug of valve 5, which can block, sees 7 middle part water hole of bubble bucket, and the water of huge discharge be discharged can not.
As shown in Figs. 1-2, fire extinguisher bottle 18 of the invention is placed in protection bottle 1, and dry powder extinguisher is waterborne, institute
It is not bottomed out with bottle foot；Tracheae 21 is connected at the air inlet of fire extinguisher bottle 18, tracheae 21 and the junction of protection 1 bottle wall of bottle are equipped with
Sealing ring；21 one end of tracheae is connected with gas source, and the other end is connected with fire extinguisher bottle 18；Tracheae 21 is equipped with valve module, pressure
Table component, the pressure gauge for fire extinguisher detection mouth for installing pressure gauge for fire extinguisher 12 and pressurising/pressure relief opening.It is specific:
Valve module includes solenoid valve 19, the second valve 14, third valve 15, the 4th valve 16, the 5th valve 23 and pressure reducing valve 20；Decompression
Valve 20 is arranged between solenoid valve 19 and gas source, and the second valve 14 is arranged between solenoid valve 19 and pressure reducing valve 20, and third valve 15 is set
It sets between solenoid valve 19 and the second valve 14；Pressure gauge for fire extinguisher detection mouth and pressurising/pressure relief opening setting solenoid valve 19 with go out
Between the air inlet of firearm bottle 18, pressure gauge for fire extinguisher detection mouth is equipped with the 4th valve 16, and pressurising/pressure relief opening is equipped with the 5th valve
23；Second valve, 14 adjustable displacement, the fire extinguisher of a model are only adjusted once.Pressure gauge component includes 13 He of second pressure gauge
Third pressure gauge 17, second pressure gauge 13 are arranged between the second valve 14 and third valve 15, and third pressure gauge 17 is arranged in electromagnetism
Between valve 19 and the air inlet of fire extinguisher bottle 18.
As shown in figure 3, being equipped with stroke device 24 on the bottleneck of protection bottle of the invention, stroke device 24 passes through PLC controller
(not shown) is connected with solenoid valve 19, and above-mentioned control principle is the basic principle of stroke device, PLC controller and solenoid valve,
Therefore it is not set forth in detail herein；When ring cowling 4 is compressed plug 10 by the nut of screwing bolts 6, the nut of bolt 6 is against stroke device
On 24, solenoid valve 19 is controlled by stroke device 24 and is opened；On if bolt 6 or other complicated Quick fastening devices do not have, 24 meeting of stroke device
It controls solenoid valve 19 to close, even if opening the second valve 14 and third valve 15, nitrogen can't pass solenoid valve 19 and cannot achieve to fire extinguishing
The pressurization of device bottle.
The present invention provides a kind of fire extinguisher bottle voltage-withstand test method, principle are as follows: first only does once after system production, 4 times
Test pressure hydraulic pressure test 100bar, later every time test before first protection bottle in without pressure plus water to overflow sight bubble
Bucket；Then pressure is held such as 25bar, then by the standard time by the pressure that the standard time adds the air pressure of bottle to test, then discharge again；Tool
Body process are as follows:
Before step 1, test, whether have damage or get rusty, if having cannot survey if checking outside fire extinguisher bottle 18；Head survey in 5 years (from
First surveys after factory) if before own not enough pressure or break once original-pack strip of paper used for sealing, it is necessary to surveyed by no dry powder empty bottle, wash in a pan and look into bottle with endoscope after sky
It is interior；
Step 2 is removed with the pressure gauge for fire extinguisher for checking pressure gauge valve, when pressure gauge soon from valve when, in valve only
Returning valve can automatic leakage-stopping；
Step 3 installs tracheae on the pressure gauge connection of fire extinguisher bottle 18, and fire extinguisher bottle 18 is placed in protection bottle 1, is adjusted
Tracheae is simultaneously connected in fire extinguisher inspection pressure valve by good pressure reducing valve 20；
Step 4, cap 10, ring cowling 4 in pressure, upper bolt 6 or complicated but quick door latch type fastener；
The nut that step 5, bolt 6 are torqued-up to bolt 6 is pressed on stroke device 24, controls solenoid valve 19 by stroke device 24
It is safely opened；If stroke device 24 can control the closing of solenoid valve 19, if nut does not have on bolt 6 or other complicated Quick fastening devices do not have
Even if fastening is good to open the second valve 14 and third valve 15, nitrogen, which can't pass solenoid valve 19, cannot achieve pressurization to fire extinguisher bottle；
Step 6 after first closing all valves, opens the first valve 8, and into protection bottle 1 without water is pressed into, water is completely crossed sight bubble bucket 7 and compared
When protection bottle in oneself without air, (system production finishes the test for first surveying the hydraulic pressure pressure resistance of 4 times of fire extinguisher bottles, weighs again every year later
It is multiple primary) after the completion of, close the first valve 8；
Step 7 adjusts the second valve 14 (14 adjustable displacement of the second valve, the fire extinguisher of a model are only adjusted once), opens
Third valve 15 presses standard time air inlet into fire extinguisher bottle, and is forced into fixation pressure i.e. fire extinguisher that pressure reducing valve mixes up
The detection pressure (25bar) of bottle, which is checked by second pressure gauge 13 or third pressure gauge 17, after the completion of pressurization,
Keep pressure wouldn't closing valve；Because pressure must be held by standard
Step 8, it holds in the pressure time in this section by checking to see at bubble bucket 7 whether there is bubble to emerge, has, prove to put out a fire
Device has leakage, it is necessary to scrap, nothing then proves that fire extinguisher is intact；
After the completion of step 9,18 voltage-withstand test of fire extinguisher bottle, close third valve 15, open the 5th valve 23, by air pressure drop down to
The detection pressure of pressure gauge for fire extinguisher, the work for the pressure gauge for fire extinguisher that the detection pressure of pressure gauge for fire extinguisher is 1.1~1.2 times
Whether pressure can be stuck in this pressure for pressure gauge and whether pressure is correct, and the operating pressure of pressure gauge for fire extinguisher is 15bar；,
Pressure gauge for fire extinguisher 12 is mounted in pressure gauge for fire extinguisher detection mouth (in the outlet of valve 16), the 4th valve 16 is opened；Open the
Air pressure is down to the operating pressure 15bar of pressure gauge for fire extinguisher from the detection pressure of pressure gauge for fire extinguisher, compares third by five valves 23
The reading of pressure gauge 17 and pressure gauge for fire extinguisher 12 completes the detection of pressure gauge for fire extinguisher；
Step 10 opens bolt, ring cowling and plug, takes out fire extinguisher bottle, unclamps tracheae, connects pressure gauge, at this time pressure
The reading of table completes detection such as step 9.
Further, pressure is broken in the test pressure that the present invention protects the operating pressure of bottle 1 to be preferably formed with 4 times, the exposure greater than four times；
It is safe that it is quick-fried at a slow speed among 100bar, which to test pressure 25bar,.
Further, above-mentioned apparatus is applicable to the fire extinguisher of medicament, should select nitrogen at this time, meanwhile, it puts out a fire in addition to surveying
The pressure resistance of device bottle is outer can also to survey pressure gauge for fire extinguisher；Voltage-withstand test individually can also be carried out to empty fire extinguisher bottle, can be selected at this time dry
Dry air, it is necessary before doing because being that dry powder extinguisher of the old soldi without insufficient air pressure before medicament or survey is only suitable does empty bottle test
Remove dry powder.
Then the present invention adds measuring air pressure into fire extinguisher bottle, realizes first to fire extinguisher external adding water to sight bubble bucket is overflowed
Carry out fire extinguisher bottle voltage-withstand test；When fire extinguisher bottle explosion, a large amount of water in bottle is protected only to project several drops from resistance huge discharge valve
Water is just hindered, thus the pressure of water be also and test pressure as, the quick-fried speed in water of fire extinguisher bottle is forced to slow down, breach more
It is small, sound is smaller；The present invention has by checking to see at bubble bucket whether have bubble to emerge, proves that fire extinguisher is scrapped, nothing is then demonstrate,proved
The firearm that flickers is intact；Small leakage hole can also be seen by seeing bubble bucket on fire extinguisher bottle, avoid fire extinguisher bottle voltage-withstand test
Missing inspection, false retrieval the problems such as；Test device of the invention can realize voltage-withstand test and the fire extinguishing of fire extinguisher bottle by once pressurizeing
Device pressure gauge.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of fire extinguisher bottle pressure resistant testing device characterized by comprising
Bottle is protected, the bottleneck of the protection bottle is equipped with for blocking the plug for protecting bottle and for compressing the plug
Ring cowling is equipped with the resistance huge discharge valve for preventing protection water in bottle from being largely discharged on the plug and for observing resistance huge discharge
The sight bubble bucket for whether thering is bubble to emerge at valve；The water inlet of the protection bottle is connected with water pipe, and the water pipe is equipped with the
One valve and first pressure gauge；
Fire extinguisher bottle, the fire extinguisher bottle are placed in the protection bottle, and tracheae, institute are connected at the air inlet of the fire extinguisher bottle
Tracheae is stated equipped with valve module, pressure gauge component, pressure gauge for fire extinguisher detection mouth and pressurising/pressure relief opening.
2. fire extinguisher bottle pressure resistant testing device as described in claim 1, which is characterized in that be equipped with safety on the protection bottle
Valve.
3. fire extinguisher bottle pressure resistant testing device as described in claim 1, which is characterized in that the plug is equipped with for sealing
The sealing ring of the protection bottle and plug junction.
4. fire extinguisher bottle pressure resistant testing device as described in claim 1, which is characterized in that the ring cowling is bolted on
On the bottleneck of the protection bottle, stroke device is installed on the bottleneck of the protection bottle, the valve module includes solenoid valve；When screwing
When the ring cowling is compressed the plug by the nut of the bolt, the nut of the bolt is against on the stroke device, passes through institute
It states stroke device and controls the solenoid valve opening.
5. fire extinguisher bottle pressure resistant testing device as claimed in claim 4, which is characterized in that the valve module further includes second
Valve, third valve, the 4th valve, the 5th valve and pressure reducing valve；
The pressure reducing valve is arranged between the solenoid valve and gas source, the second valve setting the solenoid valve and pressure reducing valve it
Between, the third valve is arranged between the solenoid valve and the second valve；
The pressure gauge for fire extinguisher detection mouth and pressurising/pressure relief opening be arranged in the solenoid valve and fire extinguisher bottle air inlet it
Between, the pressure gauge for fire extinguisher detection mouth is equipped with the 4th valve, and the pressurising/pressure relief opening is equipped with the 5th valve.
6. fire extinguisher bottle pressure resistant testing device as claimed in claim 5, which is characterized in that the pressure gauge component includes second
Pressure gauge and third pressure gauge；
Second pressure gauge is arranged between second valve and third valve, third pressure gauge setting the solenoid valve with go out
Between the air inlet of firearm bottle.
7. a kind of test method of fire extinguisher bottle pressure resistant testing device as claimed in claim 6 characterized by comprising
Step 1, the pressure gauge connection equipped with check valve take out pressure gauge, connect tracheae on its interfaces, fire extinguisher bottle is set
In in protection bottle, ring cowling, upper bolt, the nut that bolt is torqued-up to bolt are pressed on stroke device on cap, pressure, pass through row
Journey device control solenoid valve is safely opened；
All valves are to close under step 2, original state, then open the first valve, and into protection bottle, nothing is pressed into water and overflows
See bubble bucket；After the completion, the first valve is closed；
Step 3 opens the second valve, third valve, the air inlet into fire extinguisher bottle, and is forced into the detection pressure of fire extinguisher bottle, pressurizes
After the completion, pressure is kept；
Whether step 4 has bubble to emerge by checking at sight bubble bucket, has, proves that fire extinguisher is scrapped, nothing then proves fire extinguisher
It is intact；
Step 5 closes third valve, opens the 5th valve, by air pressure drop down to the detection pressure of pressure gauge for fire extinguisher；By fire extinguisher pressure
Power table is mounted in pressure gauge for fire extinguisher detection mouth, opens the 4th valve；The 5th valve is opened, by air pressure from the inspection of pressure gauge for fire extinguisher
The operating pressure of the near pressure gauge for fire extinguisher of measuring pressure compares the reading of third pressure gauge and pressure gauge for fire extinguisher, completes fire extinguishing
The detection of device pressure gauge；
Step 6 opens bolt, ring cowling and plug, takes out fire extinguisher bottle, unclamps tracheae, installs pressure gauge, completes detection.
8. the test method of fire extinguisher bottle pressure resistant testing device as claimed in claim 7, which is characterized in that in step 3, when
When having dry powder in fire extinguisher bottle, it is passed through nitrogen；When fire extinguisher bottle is empty bottle, it is passed through dry air.
9. the test method of fire extinguisher bottle pressure resistant testing device as claimed in claim 7, which is characterized in that in steps of 5, go out
The operating pressure for the pressure gauge for fire extinguisher that the detection pressure of firearm pressure gauge is 1.1~1.2 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810731859.8A CN108956315B (en) | 2018-07-05 | 2018-07-05 | Pressure resistance testing device and method for fire extinguisher bottle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810731859.8A CN108956315B (en) | 2018-07-05 | 2018-07-05 | Pressure resistance testing device and method for fire extinguisher bottle |
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| CN108956315A true CN108956315A (en) | 2018-12-07 |
| CN108956315B CN108956315B (en) | 2020-07-31 |
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| CN201810731859.8A Active CN108956315B (en) | 2018-07-05 | 2018-07-05 | Pressure resistance testing device and method for fire extinguisher bottle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109782721A (en) * | 2019-01-30 | 2019-05-21 | 赛摩电气股份有限公司 | A kind of the timeliness sealing detection unit and control method of fire extinguisher finished product reinspection system |
| CN109999388A (en) * | 2019-04-23 | 2019-07-12 | 消防贸易私营有限公司 | A kind of permanent pressure trigger valve is located at the fire extinguisher in hose |
| CN114487654A (en) * | 2021-12-31 | 2022-05-13 | 徐州双驰消防器材有限公司 | Pressure resistance test equipment for intelligent processing of fire extinguisher bottle and test method thereof |
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| CN114487654A (en) * | 2021-12-31 | 2022-05-13 | 徐州双驰消防器材有限公司 | Pressure resistance test equipment for intelligent processing of fire extinguisher bottle and test method thereof |
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