CN110174252A - High-pressure water mist spray head mist throughput assay - Google Patents
High-pressure water mist spray head mist throughput assay Download PDFInfo
- Publication number
- CN110174252A CN110174252A CN201910426281.XA CN201910426281A CN110174252A CN 110174252 A CN110174252 A CN 110174252A CN 201910426281 A CN201910426281 A CN 201910426281A CN 110174252 A CN110174252 A CN 110174252A
- Authority
- CN
- China
- Prior art keywords
- water
- spray head
- cylinder
- mist
- collecting tray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention discloses a kind of high-pressure water mist spray head mist throughput assays, include the following steps: step 1, and multiple spray heads are installed in experimental rig；Step 2 chooses 4 spray heads in cuboid distribution in experimental rig, and in 4 × 4 water-collecting tray of spray head arranged beneath, for water-collecting tray having a size of 36cm × 28cm × 8cm, water-collecting tray longitudinal pitch is 72cm, horizontal spacing 64cm, apex water-collecting tray is located at immediately below spray head, and spray head arrangement height is 6.5m；Step 3 opens and drops down onto water-collecting tray to water mists after top spray and start timing, and stopwatch records spray time 5min；Step 4 collects measurement collecting water from runoff using graduated cylinder, goes out mist flux divided by time and areal calculation.High-pressure water mist spray head mist throughput assay of the invention can effectively detect the mist flux of spray head by the setting of step 1 to step 4 using collection water law.
Description
Technical field
The present invention relates to a kind of test methods, more particularly to a kind of high-pressure water mist spray head mist throughput experimentation side
Method.
Background technique
It at the beginning of designing various fire extinguishing systems, requires to carry out scenario simulation fire fighting test, is using the fire extinguishing with judgement
When system, for the extinguishing effect of the scene, determined whether on this basis in the corresponding scene setting fire extinguishing system, it is high
Pressure water mists are current relatively uses than more frequently fire extinguishing system, and main fire-fighting principle is will by external pressurized system
Water pressurization is input in spray head, then sprays corresponding water mist by spray head to realize that fire extinguishing acts on, therefore just need to existing
The behavior pattern of spray head is measured.
However only spray head durability is tested in terms of the test met and discussed in the prior art for fire extinguishing system, not
Have a flow and fogging degree for spray head, thus existing test method for high-pressure water mist spray head test still not
It is enough comprehensively, can not the mist flux well to the spray head of heavy pressure fine spray effectively tested.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide one kind to carry out the survey of mist flux to spray head
Fixed high-pressure water mist spray head mist throughput assay.
To achieve the above object, the present invention provides the following technical scheme that a kind of high-pressure water mist spray head mist throughput experimentation
Method includes the following steps:
Multiple spray heads are installed in experimental rig by step 1；
Step 2 chooses 4 spray heads in cuboid distribution in experimental rig, and in 4 × 4 water-collecting tray of spray head arranged beneath, collection
For water pond having a size of 36cm × 28cm × 8cm, water-collecting tray longitudinal pitch is 72cm, horizontal spacing 64cm, apex water-collecting tray position
Immediately below spray head, spray head arrangement height is 6.5m；
Step 3 opens and drops down onto water-collecting tray to water mists after top spray and start timing, and stopwatch records spray time 5min；Step 4,
Measurement collecting water from runoff is collected using graduated cylinder, goes out mist flux divided by time and areal calculation.
As a further improvement of the present invention, the experimental rig in the step 1 include water inlet line, high-pressure hydraulic pump and
Connecting pipe, the top of the opposite water-collecting tray of the connecting pipe are equipped with the pipe laying for installing spray head, the connecting tube
Road is connect relative to the other end of pipe laying with high-pressure hydraulic pump.
As a further improvement of the present invention, graduated cylinder used in the step 4 includes cylinder, under the cylinder
End is equipped with the drinking-water pipe being connected to its inside, and the bracket that draws water is fixedly connected on the end of lower end, is equipped in the cylinder
The piston that can be slid up and down, the upper end end of the cylinder are fixedly connected with the drive link for manpower driving, and the driving connects
Bar and piston link, and are slid back and forth in cylinder with band piston, and side wall of the cylinder close to upper end is equipped with outlet pipe, described
Unidirectional hole is offered on piston, flow direction is from bottom to top that the barrel of the cylinder is set on the position on the downside of outlet pipe
There is dial, there is poke rod on the dial, when drive link, which drives piston to slide onto upwards, to be in contact with poke rod, dials
Lever is driven, and a scale is rotated on dial.
As a further improvement of the present invention, the dial includes on discoidal pedestal and rotatable setting pedestal
Pointer, one end of the pedestal is fixed on the lateral wall of cylinder, and the circumferential edge backwards to cylinder one end end face is equipped with scale,
One end of the pointer is indication end, and the other end is turnover to be arranged on the center of circle of pedestal, on the position in the pedestal center of circle
It is equipped with rotary shaft equipped with rotatable, one end of the rotary shaft is stretched out outside the end face of pedestal, and the end of the pointer is fixed on
Rotary shaft is stretched out on the side wall of pedestal one end, and the rotary shaft other end is fixedly connected with transmission gear, and the one of the poke rod
End is arranged in cylinder, and the other end passes through cylinder and extend into pedestal, and is coaxially fixed with driving gear on it, the transmission
The tooth of gear and the tooth of gear is driven to shift to install, the reset spring connecting with pedestal is arranged on the poke rod, when stirring
When bar is pushed by piston, so that driving gear is meshed with transmission gear, band nutating gear rotates, so that pointer rotates
One scale.
As a further improvement of the present invention, the end surface side of the lower end of the pipe laying is along equipped with the sealing to extend internally
Edge, the mounting device include mounting ring and connector sleeve, and the mounting ring is sleeved and fixed on the lower end of pipe laying, the company
Female connector fixes spray head for being socketed spray head so that the upper end of spray head and sealing be along the sealing that offsets, the connector sleeve it is upper
End face and the lower end surface of mounting ring are coaxially fixed, and are bonded on inner wall and are fixed with electromagnetism ring, rotatable in the pipe laying
Equipped with impeller, generator is fixedly connected on the tube wall of the pipe laying, the impeller is coaxially fixed in the shaft of generator,
And be arranged in pipe laying, it is driven and is rotated by water flow, the generator is electrically connected with electromagnetism ring, to provide electric energy to electromagnetism
Ring generates magnetic force, and the sealing edge is all electromagnetism ring structure.
Beneficial effects of the present invention can effectively complete the preparation before testing by the setting of step 1, and pass through step
Rapid two setting can select representative spray head and be tested, and pass through the setting of step 3 and step 4,
The mist flux of currently used spray head is effectively calculated using water collected by water-collecting tray.
Detailed description of the invention
Fig. 1 is the overlooking structure figure of experimental rig；
Fig. 2 is the overall structure figure of the pipe laying in Fig. 1；
Fig. 3 is the overall structure figure of graduated cylinder；
Fig. 4 is the enlarged drawing in the portion A in Fig. 3.
Specific embodiment
The present invention is described in further detail below in conjunction with embodiment given by attached drawing.
Shown in 4, a kind of high-pressure water mist spray head mist throughput assay of the present embodiment, including walk as follows
It is rapid:
Multiple spray heads are installed in experimental rig by step 1；
Step 2 chooses 4 spray heads in cuboid distribution in experimental rig, and in 4 × 4 water-collecting tray of spray head arranged beneath, collection
For water pond having a size of 36cm × 28cm × 8cm, water-collecting tray longitudinal pitch is 72cm, horizontal spacing 64cm, apex water-collecting tray position
Immediately below spray head, spray head arrangement height is 6.5m；
Step 3 opens and drops down onto water-collecting tray to water mists after top spray and start timing, and stopwatch records spray time 5min；Step 4,
Measurement collecting water from runoff is collected using graduated cylinder, goes out mist flux divided by time and areal calculation, in the test method using the present embodiment
In the process, it is only necessary to successively execute step 1 to step 4, can effectively realize and collect the water that spray head sprays using water-collecting tray
The mode of amount realizes having detected for spray head mist flux.
As a kind of improved specific embodiment, the experimental rig in the step 1 includes water inlet line 2, high pressure water
Pump 3 and connecting pipe, the top of the opposite water-collecting tray of the connecting pipe is equipped with the pipe laying 5 for installing spray head, described
Connecting pipe is connect relative to the other end of pipe laying 5 with high-pressure hydraulic pump 3, passes through setting for water inlet line 2 and high-pressure hydraulic pump 3
It sets, the water flow with pressure can be effectively provided, and pass through the setting of pipe laying 5, can effectively pacify spray head
It is attached in connecting pipe, so that water flow enters in spray head.
As a kind of improved specific embodiment, graduated cylinder used in the step 4 includes cylinder 1, the cylinder
1 lower end is equipped with the drinking-water pipe 11 being connected to its inside, and the bracket 12 that draws water is fixedly connected on the end of lower end, the cylinder
The piston 13 that can be slid up and down is equipped in body 1, the upper end end of the cylinder 1 is fixedly connected with the drive link for manpower driving
14, the drive link 14 links with piston 13, is slid back and forth in cylinder 1 with band piston 13, and the cylinder 1 is close to upper end
Side wall be equipped with outlet pipe 15, unidirectional hole is offered on the piston 13, flow direction is the cylinder of the cylinder 1 from bottom to top
Wall is equipped with dial 16 close to the position of 15 downside of outlet pipe, has poke rod on the dial 16, when drive link 14 is driven
Slide onto piston 13 upwards when being in contact with poke rod, poke rod is driven, and a scale is rotated on dial 16, is being used
When graduated cylinder measures the water in water-collecting tray, cylinder 1 is placed in water-collecting tray with the bracket 12 that draws water first, so that cylinder
1 is placed on water-collecting tray by the bracket 12 that draws water, and then the drinking-water pipe 11 in the present embodiment is rubber tube, and upper end and cylinder 1 are close
Envelope connection, connection type be similar to existing syringe construction, i.e., the lower end of cylinder 1 shrink to be formed one for connection
Pipe so completes connection, while making the lower end of drinking-water pipe 11 and trying to get to the heart of a matter for water-collecting tray then by 11 sets of drinking-water pipe on the pipe
It is in contact, avoids the water in water-collecting tray from extracting sordid problem with this, then to drive with hand-drive drive link 14
Connecting rod 14 is swung, and the drive link 14 in the present embodiment is composed using two poles, and is set on the end face of 1 upper end of cylinder
Two hinge bars are set, will be hinged on the upper end of hinge bar in the middle part of a wherein pole, the upper end of another pole and hinged section
Boom end is hinged, and lower end and the upper surface of piston 13 are hinged, so when people stirs a pole with hand and spins upside down, another pole
The effect so realized and slide the water in extraction water-collecting tray with about 13 piston will be slid with about 13 piston, extracted
When, it drives piston 13 to slide downwards first, reaches the lowermost end of cylinder 1, it is unidirectional when sliding downwards due to piston 13
Hole is opened, and air enters the top of piston 13 by piston 13, and piston 13 is driven to slide upwards again later, the list on piston 13
It will be closed to hole, negative pressure will be generated in such cylinder 1 and makes the water in water-collecting tray as piston 13 enters in cylinder 1,
Then slided on piston 13 be in contact with poke rod when, as arrival maximum position, later again by piston 13 to downslide
It moves, so that the water of lower section enters the top of piston 13 by unidirectional hole in cylinder 1, to reach 1 bottom of cylinder again in piston 13
It is flowed to outside water-collecting tray when secondary upward sliding by outlet pipe 15, is so slid onto and dials from bottommost in each piston 13
For lever to when contact, piston 13 can all extract a certain amount of water, therefore can be extracted in water-collecting tray several times by piston 13
The mode that water has been extracted realizes the detection for water in water-collecting tray, while first time piston 13 is slid onto and stirs upwards
When bar is in contact, since top is air, there is no water to flow out from apopore, and the piston 13 of last time is transported upwards
When dynamic, lower section has water at the end of so last and is retained in cylinder 1 without water, therefore above-mentioned two situations can
With effective complementary, the problem of measurement large error is avoided the occurrence of with this, above structure graduated cylinder compared with the prior art in amount
Barrel structure, there is no need to use external tool is additional to bail into cylinder 1, only needs when measuring water in water-collecting tray
Cylinder 1 is placed on water-collecting tray with the bracket 12 that draws water and then drives drive link 14, it is very simple and convenient.
As a kind of improved specific embodiment, the dial 16 includes discoidal pedestal 161 and rotatable
Pointer 162 on pedestal 161 is set, and one end of the pedestal 161 is fixed on the lateral wall of cylinder 1, backwards to 1 one end end of cylinder
The circumferential edge in face is equipped with scale, and one end of the pointer 162 is indication end, and the other end is turnover to be arranged in pedestal 161
On the center of circle, the position in 161 center of circle of pedestal is equipped with rotatable equipped with rotary shaft 1611, one end of the rotary shaft 1611
It stretches out outside the end face of pedestal 161, the end of the pointer 162 is fixed on rotary shaft 1611 and stretches out on the side wall of 161 one end of pedestal,
1611 other end of rotary shaft is fixedly connected with transmission gear, and one end of the poke rod is arranged in cylinder 1, and the other end is worn
It crosses cylinder 1 to extend into pedestal 161, and is coaxially fixed with driving gear on it, the tooth and driving gear of the transmission gear
Tooth shift to install, the reset spring connecting with pedestal 161 is arranged on the poke rod, when poke rod is pushed by piston,
So that driving gear is meshed with transmission gear, band nutating gear rotates, so that pointer 162 rotates a scale, leads to
The mating reaction of rotary shaft 1611 and poke rod is crossed, can be cooperatively formed by driving gear and transmission gear and be similar to automatic circle
The drive mechanism of pearl pen, is so realized when poke rod heads on sliding by piston 13, pointer 162 can be effectively with rotation
Turn, and then detect the number that piston 13 contacts poke rod, further detects the number of 13 water extract of piston, it is so effective complete
The effect of the water in water-collecting tray is measured at automatic counting, while going out to open up a through-hole in 161 center of circle of pedestal in the present embodiment
As the revolution space of rotary shaft 1611, and can be arranged on the hole wall of through-hole identical with ball-point pen structure oblique along knot
Structure, while the limiting groove of limitation poke rod rotation is also opened up, the misconstruction between driving gear and transmission gear is kept with this,
And rotation is not will do it in the sliding process of holding poke rod.
As a kind of improved specific embodiment, the end surface side edge of the lower end of the pipe laying 5, which is equipped with, to extend internally
Sealing along 51, the mounting device 52 includes mounting ring 521 and connector sleeve 522, and the mounting ring 521, which is sleeved and fixed, to be installed
On the lower end of pipeline 5, the connector sleeve 522 fixes spray head for being socketed spray head, so that the upper end of spray head and sealing edge
51 offset sealing, and the upper surface of the connector sleeve 522 is coaxially fixed with the lower end surface of mounting ring 521, are bonded and fix on inner wall
There is an electromagnetism ring 5211, it is rotatable in the pipe laying 5 to be equipped with impeller 5221, it is fixed on the tube wall of the pipe laying 5 to connect
Sending and receiving motor 8, the impeller 5221 are coaxially fixed in the shaft of generator 8, and are arranged in pipe laying 5, are driven by water flow
It moves and rotates, the generator 8 is electrically connected with electromagnetism ring 5211, generates magnetic force to provide electric energy to electromagnetism ring 5211, described close
Envelope along 51 is all electromagnetism ring structure, by sealing the setting along 51, can effectively realize offset with the upper end of spray head constitute it is close
Seal structure, and the setting by the way that mounting device 52 to be arranged to electromagnetism ring 5211 and connector sleeve 522, can utilize electromagnetism ring
Metallic Nozzle At The Ingot is installed on connector sleeve 522 by 5211 suction-operated realization, the jet diameters wherein tested in the present embodiment
Sealing is not smaller than along 51 internal diameter, the internal diameter of connector sleeve 522, the substantially equal to internal diameter of electromagnetism ring 5211 can not be greater than, and
Electromagnetism ring 5211 can be arranged to dismountable mode in the present embodiment, replace electromagnetism ring 5211 specification by way of come
Realization is attached fixation to the spray head of different-diameter, and the connection type between electromagnetism ring 5211 and connector sleeve 522 can be used embedding
The formula disassembly of inserting is fixed, i.e., a pin hole is opened up on the external annulus of electromagnetism ring 5211, then in connector sleeve 522 relative to bolt
One bolt being interspersed in connector sleeve 522 is set on the position in hole, is inserted into pin hole by bolt and realizes that disassembly is fixed,
Mode in addition it can be connected through a screw thread realizes the detachable of electromagnetism ring 5211, if in addition using electromagnetism ring 5211 is straight
The mode being welded and fixed is connect, as long as the distance between 5211 internal diameter of electromagnetism ring and spray head of detection are not more than 1cm, certainly originally
The device of embodiment is not useable for detecting the spray head that jet diameters are greater than 5211 internal diameter of electromagnetism ring, and passes through impeller 5221 and power generation
The setting of machine 8 just may be implemented in during being tested, and the impact force of water flow is effectively converted into electric energy and is input to electromagnetism
Ring 5211, and then realization electromagnetism ring 5211 during test can generate stronger magnetic force and spray head is sucked, and avoid test
In the process, because of the problem of water impact spray head causes spray head to fall off, wherein the generator 8 in the present embodiment is existing common
Generator, fuselage is embedded on connector sleeve 522, and is tightly connected with connector sleeve 522, and then shaft penetrates into company
Electromagnetism ring 5211 in female connector 522, and in the present embodiment realized by the way of magnetic core and winding cooperation, i.e., not into
When row test, spray head is adsorbed by the magnetic core in electromagnetism ring 5211, connection spray head is realized with this, and in the mistake of connection
Additional operation is not needed in journey, it is only necessary to spray head is tucked into connector sleeve 522, it is very simple and convenient, so
By the mating reaction of impeller 5221, generator 8 and electromagnetism ring 5211, it can effectively realize and facilitate spray head installing and dismounting
While, also can avoid the problem of spray head is gone out by water flow occur, while the electromagnetism ring 5211 in the present embodiment and generator 8 it
Between connection realized using the conducting wire being embedded in connector sleeve 522.
In conclusion the test method of the present embodiment, can effectively measure the mist flux of spray head by collecting water law,
The extinguishing property for detecting existing spray head is so realized well.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of high-pressure water mist spray head mist throughput assay, characterized by the following steps:
Multiple spray heads are installed in experimental rig by step 1；
Step 2 chooses 4 spray heads in cuboid distribution in experimental rig, and in 4 × 4 water-collecting tray of spray head arranged beneath, collection
For water pond having a size of 36cm × 28cm × 8cm, water-collecting tray longitudinal pitch is 72cm, horizontal spacing 64cm, apex water-collecting tray position
Immediately below spray head, spray head arrangement height is 6.5m；
Step 3 opens and drops down onto water-collecting tray to water mists after top spray and start timing, and stopwatch records spray time 5min；Step 4,
Measurement collecting water from runoff is collected using graduated cylinder, goes out mist flux divided by time and areal calculation.
2. high-pressure water mist spray head mist throughput assay according to claim 1, it is characterised in that: in the step 1
Experimental rig include water inlet line (2), high-pressure hydraulic pump (3) and connecting pipe, the opposite water-collecting tray of the connecting pipe it is upper
Side is equipped with the pipe laying (5) for installing spray head, the other end and high pressure water of the connecting pipe relative to pipe laying (5)
Pump (3) connection.
3. high-pressure water mist spray head mist throughput assay according to claim 2, it is characterised in that: in the step 4
Used graduated cylinder includes cylinder (1), and the lower end of the cylinder (1) is equipped with the drinking-water pipe (11) being connected to its inside, and under
It is fixedly connected on the end at end the bracket that draws water (12), the piston (13) that can be slid up and down, the cylinder is equipped in the cylinder (1)
The upper end end of body (1) is fixedly connected with the drive link (14) for manpower driving, the drive link (14) and piston (13)
Linkage is slid in cylinder (1) back and forth with band piston (13), and side wall of the cylinder (1) close to upper end is equipped with outlet pipe
(15), unidirectional hole is offered on the piston (13), flow direction is that from bottom to top, the barrel of the cylinder (1) is close to water outlet
It manages the position on the downside of (15) and is equipped with dial (16), there is poke rod, when drive link (14) drives on the dial (16)
Piston (13) is slid onto upwards when being in contact with poke rod, and poke rod is driven, and a scale is rotated on dial (16).
4. high-pressure water mist spray head mist throughput assay according to claim 3, it is characterised in that: the dial
(16) include discoidal pedestal (161) and it is rotatable setting pedestal (161) on pointer (162), the pedestal (161)
One end is fixed on the lateral wall of cylinder (1), and the circumferential edge backwards to cylinder (1) one end end face is equipped with scale, the pointer
(162) one end is indication end, and the other end is turnover to be arranged on the center of circle of pedestal (161), pedestal (161) center of circle
Position is equipped with rotatable equipped with rotary shaft (1611), the end face of one end stretching pedestal (161) of the rotary shaft (1611)
Outside, the end of the pointer (162) is fixed on rotary shaft (1611) and stretches out on the side wall of pedestal (161) one end, the rotary shaft
(1611) other end is fixedly connected with transmission gear, and in cylinder (1), the other end passes through cylinder for one end setting of the poke rod
(1) it extend into pedestal (161), and is coaxially fixed with driving gear on it, tooth and the driving gear of the transmission gear
Tooth shifts to install, and the reset spring connecting with pedestal (161) is arranged on the poke rod, when poke rod is pushed by piston,
So that driving gear is meshed with transmission gear, band nutating gear rotates, so that pointer (162) rotates a scale.
5. high-pressure water mist spray head mist throughput assay according to claim 2 or 3, it is characterised in that: the installation
For the end surface side of the lower end of pipeline (5) along the sealing to extend internally is equipped with along (51), the mounting device (52) includes mounting ring
(521) it is sleeved and fixed on the lower end of pipe laying (5) with connector sleeve (522), the mounting ring (521), the connector sleeve
(522) for being socketed spray head, and spray head is fixed, the sealing so that upper end of spray head and sealing edge (51) offset, the connection
The lower end surface of the upper surface and mounting ring (521) that cover (522) is coaxially fixed, and fitting is fixed with electromagnetism ring (5211) on inner wall,
It is rotatable in the pipe laying (5) to be equipped with impeller (5221), generator is fixedly connected on the tube wall of the pipe laying (5)
(8), the impeller (5221) is coaxially fixed in the shaft of generator (8), and is arranged in pipe laying (5), is driven by water flow
It moves and rotates, the generator (8) is electrically connected with electromagnetism ring (5211), magnetic force is generated to provide electric energy to electromagnetism ring (5211),
The sealing is all electromagnetism ring structure along (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910426281.XA CN110174252B (en) | 2019-05-21 | 2019-05-21 | High-pressure water mist nozzle fog flux test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910426281.XA CN110174252B (en) | 2019-05-21 | 2019-05-21 | High-pressure water mist nozzle fog flux test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110174252A true CN110174252A (en) | 2019-08-27 |
| CN110174252B CN110174252B (en) | 2021-04-13 |
Family
ID=67691817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910426281.XA Expired - Fee Related CN110174252B (en) | 2019-05-21 | 2019-05-21 | High-pressure water mist nozzle fog flux test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110174252B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH075013A (en) * | 1993-01-29 | 1995-01-10 | Nichiriyoo:Kk | Repetitively dispensing pipet |
| DE10232593A1 (en) * | 2002-07-12 | 2004-01-22 | Forschungszentrum Mittweida E.V. | Measuring device for analyzing liquid materials, e.g. in medicine, comprises a measuring cell connected to a spray pump and valves, and a data processing unit for controlling a valve |
| CN101020106A (en) * | 2007-03-28 | 2007-08-22 | 河南海力特机电制造有限公司 | High pressure fine water fog spraying gun of fire engine |
| CN201285302Y (en) * | 2008-12-01 | 2009-08-05 | 卢能晓 | Liquid meter |
| US8628723B2 (en) * | 2005-07-27 | 2014-01-14 | Beckman Coulter, Inc. | Method and apparatus for syringe-based sample introduction within a flow cytometer |
| CN205199535U (en) * | 2015-11-11 | 2016-05-04 | 宁波卫生职业技术学院 | Take glass piston's scale to inhale buret |
| CN106621146A (en) * | 2017-03-02 | 2017-05-10 | 中国人民武装警察部队学院 | Multifunctional fine water mist type fire extinguishing experiment device |
| CN206258163U (en) * | 2016-12-16 | 2017-06-16 | 鹿祥瑞 | A kind of liquid metering device |
| CN206285930U (en) * | 2016-12-28 | 2017-06-30 | 青岛农业大学 | A kind of single samples the liquid-transfering device of fixed quantity stock layout |
| CN207712604U (en) * | 2017-12-27 | 2018-08-10 | 张伟红 | A kind of pesticide bottle with accurate metering device |
-
2019
- 2019-05-21 CN CN201910426281.XA patent/CN110174252B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH075013A (en) * | 1993-01-29 | 1995-01-10 | Nichiriyoo:Kk | Repetitively dispensing pipet |
| DE10232593A1 (en) * | 2002-07-12 | 2004-01-22 | Forschungszentrum Mittweida E.V. | Measuring device for analyzing liquid materials, e.g. in medicine, comprises a measuring cell connected to a spray pump and valves, and a data processing unit for controlling a valve |
| US8628723B2 (en) * | 2005-07-27 | 2014-01-14 | Beckman Coulter, Inc. | Method and apparatus for syringe-based sample introduction within a flow cytometer |
| CN101020106A (en) * | 2007-03-28 | 2007-08-22 | 河南海力特机电制造有限公司 | High pressure fine water fog spraying gun of fire engine |
| CN201285302Y (en) * | 2008-12-01 | 2009-08-05 | 卢能晓 | Liquid meter |
| CN205199535U (en) * | 2015-11-11 | 2016-05-04 | 宁波卫生职业技术学院 | Take glass piston's scale to inhale buret |
| CN206258163U (en) * | 2016-12-16 | 2017-06-16 | 鹿祥瑞 | A kind of liquid metering device |
| CN206285930U (en) * | 2016-12-28 | 2017-06-30 | 青岛农业大学 | A kind of single samples the liquid-transfering device of fixed quantity stock layout |
| CN106621146A (en) * | 2017-03-02 | 2017-05-10 | 中国人民武装警察部队学院 | Multifunctional fine water mist type fire extinguishing experiment device |
| CN207712604U (en) * | 2017-12-27 | 2018-08-10 | 张伟红 | A kind of pesticide bottle with accurate metering device |
Non-Patent Citations (2)
| Title |
|---|
| JIANGYANG等: "Numerical Simulation on Water Mist Fire Suppression Effects and Mechanisms in Hot and High Humidity Surroundings", 《PROCEDIA ENGINEERING》 * |
| 刘志斌等: "工作压力对细水雾雾场特性参数影响的实验研究", 《火灾科学》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110174252B (en) | 2021-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110074821B (en) | Urine sampling device for physical examination of pregnant woman | |
| CN109187895A (en) | A kind of float type water monitoring device for sewage treatment | |
| CN201464245U (en) | Gas dust content sampling device | |
| CN110174252A (en) | High-pressure water mist spray head mist throughput assay | |
| CN107860636A (en) | A kind of culturing pool quality detecting device | |
| CN109490502A (en) | A kind of unmanned plane water quality real-time detection sampler | |
| US20140290353A1 (en) | Apparatus for measuring precipitation | |
| CN109594779A (en) | A kind of sleeve grouting method of combination BIM application | |
| CN209310858U (en) | A kind of electromagnetic flowmeter component | |
| CN106123765A (en) | A kind of medium emulsion layer thickness measurement equipment for three phase separator | |
| CN201000354Y (en) | Liquid level induction block tester | |
| CN206881259U (en) | A kind of detection means of water Mineral Elements in Jadeite Shellfish | |
| CN207647754U (en) | RO booster pump performance parameter test platforms | |
| CN209640039U (en) | A kind of food inspection sampler | |
| CN102419269B (en) | Water body positioning sampler | |
| CN109376840B (en) | Mechanical counting device | |
| CN205981084U (en) | A medium emulsification layer thickness gauge for three -phase separator | |
| CN110146266A (en) | Hangar high-pressure water mist spray head discharge coefficient test method | |
| CN209067203U (en) | Well head sampling apparatus and oil transporting appliance | |
| CN206617266U (en) | A kind of vehicle-mounted oil consumption detection device is compared with standard apparatus | |
| CN109989452A (en) | A kind of monitoring system of safe and intelligent secondary water-supply equipment | |
| CN202393443U (en) | Connecting tee joint for gas flow measurement | |
| CN207730272U (en) | A kind of bidirectional ram declines small flowmeter | |
| CN210803007U (en) | Swimming pool water sampling equipment | |
| CN210509153U (en) | Visual dynamic liquid level measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |