CN108871052A - Public affair ship water cannon consolidation system based on surface-active drag reduction technology - Google Patents
Public affair ship water cannon consolidation system based on surface-active drag reduction technology Download PDFInfo
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- CN108871052A CN108871052A CN201810359787.9A CN201810359787A CN108871052A CN 108871052 A CN108871052 A CN 108871052A CN 201810359787 A CN201810359787 A CN 201810359787A CN 108871052 A CN108871052 A CN 108871052A
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- China
- Prior art keywords
- water cannon
- drag reducer
- public affair
- drag
- storage tank
- 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.)
- Pending
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 238000007596 consolidation process Methods 0.000 title claims abstract description 27
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 70
- 239000013535 sea water Substances 0.000 claims abstract description 22
- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical group [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 claims description 10
- 229940100656 nasal solution Drugs 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 239000004094 surface-active agent Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 238000004088 simulation Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000003042 antagnostic effect Effects 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012106 screening analysis Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B9/00—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure
- F41B9/0087—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure characterised by the intended use, e.g. for self-defence, law-enforcement, industrial use, military purposes
- F41B9/0093—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure characterised by the intended use, e.g. for self-defence, law-enforcement, industrial use, military purposes for riot control, e.g. water cannons therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B9/00—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure
- F41B9/0096—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure having means for mixing other agents with the liquid
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Technology Law (AREA)
Abstract
Public affair ship water cannon consolidation system based on surface-active drag reduction technology of the invention includes drag reducer and drag reducer injected system;The drag reducer injected system and public affair ship water cannon system piping connection;The drag reducer injected system includes the storage tank and plunger pump of belt stirrer, and the drag reducer is previously implanted in the storage tank of the belt stirrer;The storage tank of the belt stirrer is connect by valve with full ship refrigerated sea water system;The storage tank of the belt stirrer is connect by valve with the plunger pump;The drag reducer sea water solution formed in the storage tank of the belt stirrer is delivered to public affair ship water cannon system pipeline by the plunger pump.This system can increase water cannon range 20% within 15 minutes effectiveness reinforcing phases, and flow increases by 8%, realizes that water cannon system short time " excitant " strengthens effectiveness.
Description
Technical field
The present invention relates to the designs of public affair ship water cannon system, and in particular to the public affair ship water cannon based on surface-active drag reduction technology
Consolidation system.
Background technique
Main configuration of the water cannon system as public affair law enforcement ship water surface countermeasure system, range and flow are in conflict antagonistic process
In play decisive role.By taking domestic 7XX, 8XX public affair law enforcement ship as an example, which is 150m, flow
For 1500m3/h.Country's public affair law enforcement ship water cannon system antagonism is not compared with developed countries still dominant at present.
It is limited by general layout space and equipment performance, domestic public affair law enforcement ship water cannon system water cannon range and flow are thought
It is continued growing on the basis of existing highly difficult.The range and flow of water cannon system are the passes to get the mastery in the law enforcement confrontation of public affair ship
Key, there is an urgent need to further increase hitting power on existing water cannon system by certain technology.
Summary of the invention
The purpose of the present invention is to provide a kind of the public affair ship water cannon consolidation system based on surface-active drag reduction technology, enhancing
Hitting power in the water cannon short time.
To solve the above problems, the present invention provides a kind of public affair ship water cannon reinforcing system based on surface-active drag reduction technology
System, including drag reducer and drag reducer injected system;The drag reducer injected system and public affair ship water cannon system piping connection;It is described
Drag reducer injected system includes the storage tank and plunger pump of belt stirrer, and the drag reducer is previously implanted the storage tank of the belt stirrer
It is interior;The storage tank of the belt stirrer is connect by valve with full ship refrigerated sea water system;The storage tank of the belt stirrer passes through valve
Door is connect with the plunger pump;The drag reducer sea water solution formed in the storage tank of the belt stirrer is conveyed by the plunger pump
To public affair ship water cannon system pipeline.
The above-mentioned public affair ship water cannon consolidation system based on surface-active drag reduction technology, wherein the drag reducer uses viscoelastic
Property flow surface activating agent.
The above-mentioned public affair ship water cannon consolidation system based on surface-active drag reduction technology, wherein the drag reducer is CTAC/
NaSal solution.
The above-mentioned public affair ship water cannon consolidation system based on surface-active drag reduction technology, wherein the drag reducer injected system
For more than one, and at least one drag reducer injected system is added in public affair ship water cannon system pipeline after main pump.
The above-mentioned public affair ship water cannon consolidation system based on surface-active drag reduction technology, wherein for the water cannon system containing branch
Road under the overall leadership installs a drag reducer injected system additional in the bifurcation of water cannon system pipeline.
The above-mentioned public affair ship water cannon consolidation system based on surface-active drag reduction technology, wherein the drag reducer injected system
Storage tank including two belt stirrers, the storage tank of each belt stirrer passes through valve respectively and full ship refrigerated sea water system connects
It connects, the storage tank of each belt stirrer passes through valve respectively and connect with the plunger pump.
The above-mentioned public affair ship water cannon consolidation system based on surface-active drag reduction technology, wherein the drag reducer injected system
Realize that drag reducer injects in such a way that two storage tanks are generated in turn, injected in turn.
The above-mentioned public affair ship water cannon consolidation system based on surface-active drag reduction technology, wherein public affair ship water cannon system pipeline
At tube wall, drag reduction agent content is 1500~2000ppm.
Compared with prior art, the present invention has the following advantages that:
Public affair ship water cannon consolidation system based on surface-active drag reduction technology of the invention, based on surfactant for viscous
The drag reduction effect of elastic fluid flow process fully reduces water cannon sea using suitable drag reducer and reasonable injected system
Water from sea chest to the Flow Resistance of Turbulent of water cannon spout process, meanwhile, reduce the friction in water flow flight course with air
Resistance realizes that water cannon system " excitant " is strengthened to improve water cannon range and flow in short-term.
Detailed description of the invention
Fig. 1 is viscoelastic fluid surfactant (CTAC/NaSal solution) micro-scaled structures figure.
Fig. 2 is viscoelastic fluid surfactant round tube seawater turbulent flow drag reduction test data figure.
Fig. 3 is straight pipe drag-reduction effect (on-way resistance) figure of various concentration CTAC/NaSal solution under different flow.
Fig. 4 is the static pressure pressure loss (local resistance) figure before and after 90 ° of elbow plus-minus resists of the surveyed different size of experiment.
Fig. 5 is the reducer pipe plus-minus resist front and back static pressure pressure loss (local resistance) of the surveyed different size of experiment and type
Figure.
Fig. 6 is that the existing water cannon system of 7XX public affair law enforcement ship vertically penetrates high and horizontal range schematic diagram.
Fig. 7 is water cannon system piping node head figure after addition drag reducer.
Fig. 8 is the principle of the public affair ship water cannon consolidation system based on surface-active drag reduction technology of present pre-ferred embodiments
Figure.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Public affair ship water cannon consolidation system based on surface-active drag reduction technology of the invention includes drag reducer and drag reducer note
Enter system;The drag reducer injected system and public affair ship water cannon system piping connection;The drag reducer injected system includes that band stirs
The storage tank and plunger pump of device are mixed, the drag reducer is previously implanted in the storage tank of the belt stirrer;The storage tank of the belt stirrer
It is connect by valve with full ship refrigerated sea water system;The storage tank of the belt stirrer is connect by valve with the plunger pump;?
The drag reducer sea water solution formed in the storage tank of the belt stirrer is delivered to public affair ship water cannon system pipeline by the plunger pump.
Preferably, the drag reducer uses viscoelastic fluid surfactant, such as CTAC/NaSal solution;The drag reduction
Agent injected system includes the storage tank of two belt stirrers, and the storage tank of each belt stirrer passes through valve and the cooling sea of full ship respectively
Water system connection, the storage tank of each belt stirrer pass through valve respectively and connect with the plunger pump.
Public affair ship water cannon consolidation system based on surface-active drag reduction technology of the invention, based on surfactant for viscous
The drag reduction effect of elastic fluid flow process fully reduces water cannon sea using suitable drag reducer and reasonable injected system
Water from sea chest to the Flow Resistance of Turbulent of water cannon spout process, meanwhile, reduce the friction in water flow flight course with air
Resistance realizes that water cannon system " excitant " is strengthened to improve water cannon range and flow in short-term.
Present pre-ferred embodiments are by taking 7XX public affair law enforcement ship as an example, and the present invention will be described in detail based on surface-active drag reduction
The public affair ship water cannon consolidation system of technology.
The present embodiment chooses suitable drag reducer by drag reducer Screening analysis, is subtracted by water cannon system pipe net leakage rate
The water cannon performance comparison analysis of resist addition front and back, determines drag reducer injected system and injection mode.Detailed process is as follows:
1) property of reduction drag of the surface-active drag reducer in seawater application
Drag reducer experimental data is and measures in fresh water line at present, need to determine typical drag reducer in sea water service system whether
It is same effective.
CTAC/NaSal solution is typical drag reducer, and micro-scaled structures are as shown in Figure 1.Referring to fig. 2, round tube seawaterline
Transmission & distribution drag reduction experiments have shown that, in seawater pipe flow add CTAC/NaSal solution still have apparent drag-reduction effect, reach as high as
60%, suitable with CTAC/NaSal fresh water solution drag-reduction effect, it may be determined that typical drag reducer --- CTAC/NaSal solution, in sea
Equally there is good drag reduction effectiveness in water.
The present embodiment selects CTAC/NaSal solution to make drag reducer.
2) water cannon system pipe net leakage rate is established
The present embodiment uses software platform of the FLOWMASTER pipeline network simulation software as sunykatuib analysis.According to 7XX public affair
The design of law enforcement ship water cannon system principle and shipyard setting-out are as a result, establish water cannon system pipe net leakage rate using simulation softward, the water
It is each that gun system pipe net leakage rate embodies 7XX public affair law enforcement ship water cannon system latus rectum, pipe range, elbow, variable diameter, water pump, valve etc. completely
Transmission & distribution link realizes performance Simulation prediction for water cannon system.
3) the Drag Reduction With Additives characteristic and pipeline sunykatuib analysis of each link of 7XX public affair law enforcement ship water cannon system pipeline
Each link resistance coefficient of pipeline is defined in water cannon system pipe net leakage rate, completes existing water cannon system (addition drag reduction
Water cannon system before agent) performance simulation research, existing water cannon system range and flow are verified, the comparison number as additive technology
According to.
It is right according to the experimental data of addition drag reducer technology on-way resistance (such as Fig. 3) and local resistance (such as Fig. 4 and Fig. 5)
Each link resistance coefficient assignment of 7XX public affair law enforcement ship water cannon system pipeline, is recalculated using water cannon system pipe net leakage rate,
It completes the water cannon system performance simulation based on additive turbulent flow drag reduction technology (i.e. surface-active drag reduction technology) to analyze, compares drag reduction
Agent addition front and back water cannon system range and flow complete water cannon system and increase the analysis of journey synergism performance.
Fig. 6 show the existing water cannon system of 7XX public affair law enforcement ship and vertically penetrates high and horizontal range schematic diagram;Shown in Fig. 7
For water cannon system piping node head figure after addition drag reducer.
4) drag reducer injected system and injection form are determined, and carries out aggregate resource analysis
Analysis based on step 3), it is best that drag reducer enters after water cannon system pipeline drag-reduction effect when being located at tube wall,
For the Reynolds number for adapting to pipe network different zones, guarantee that drag reducer injects effect, the water cannon consolidation system of the present embodiment uses two-stage
Injection form.Plan as a whole optimization drag reducer demand, water cannon " excitant " duration and volume of compartment, weight requirements, the present embodiment
The public affair ship water cannon consolidation system based on surface-active drag reduction technology include two drag reducer injected systems 1, as shown in figure 8,
After one drag reducer injected system is added in water cannon system pipeline main pump 21, another drag reducer injected system is added in water cannon system pipe
Road bifurcation 22 (water cannon system includes two water cannon launching tubes 23).Two drag reducer injected system structures are identical, institute
State the storage tank 11 and a plunger pump 12 that drag reducer injected system 1 includes two belt stirrers, the storage tank 11 of the belt stirrer
Connect by the first valve 13 with full ship refrigerated sea water system, the storage tank 11 of the belt stirrer by the second valve 14 with it is described
Plunger pump 12 connects, and the output of the plunger pump 12 is connected to water cannon system pipeline.Drag reducer is marked in storage tank in advance, is worked
When, two the first valves are alternately opened, the seawater alternate of full ship refrigerated sea water system injects in two storage tanks, in stirring for blender
It mixes under effect, seawater uniformly mixes in storage tank with drag reducer, forms drag reducer sea water solution, alternately opens two the second valves
Door, plunger pump alternately extract drag reducer sea water solution out out of two storage tanks and are delivered to water cannon system pipeline.Plunger pump discharge is adjustable,
To adjust CTAC/NaSal- sea water solution concentration.
In the present embodiment, the volume of each storage tank is 1.0m3, drag reducer sea water solution inject plunger pump, infused using crack
The mode entered can increase water cannon range 20% within 15 minutes effectiveness reinforcing phases, and flow increases by 8%.To realize water cannon system
System short time " excitant " strengthens effectiveness.
The present invention is suitable for newly making public affair ship and existing public affair ship adds repacking, and hitting power in the water cannon short time can be made to be shown
Enhancing is write, opponent is suppressed from upper and effectiveness at the first time in the dispute such as Diaoyu Island sea area water cannon conflict, to obtain
Part confrontation advantage.
Claims (8)
1. the public affair ship water cannon consolidation system based on surface-active drag reduction technology, which is characterized in that including drag reducer and drag reducer
Injected system;The drag reducer injected system and public affair ship water cannon system piping connection;The drag reducer injected system includes band
The storage tank and plunger pump of blender, the drag reducer are previously implanted in the storage tank of the belt stirrer;The storage of the belt stirrer
Tank is connect by valve with full ship refrigerated sea water system;The storage tank of the belt stirrer is connect by valve with the plunger pump;
The drag reducer sea water solution formed in the storage tank of the belt stirrer is delivered to public affair ship water cannon system pipe by the plunger pump
Road.
2. the public affair ship water cannon consolidation system based on surface-active drag reduction technology as described in claim 1, which is characterized in that institute
Drag reducer is stated using viscoelastic fluid surfactant.
3. the public affair ship water cannon consolidation system based on surface-active drag reduction technology as described in claim 1, which is characterized in that institute
Stating drag reducer is CTAC/NaSal solution.
4. the public affair ship water cannon consolidation system based on surface-active drag reduction technology as described in claim 1, which is characterized in that institute
Stating drag reducer injected system is more than one, and at least one drag reducer injected system is added in public affair ship water cannon system pipeline
After main pump.
5. the public affair ship water cannon consolidation system based on surface-active drag reduction technology as claimed in claim 4, which is characterized in that right
In the water cannon system pipeline containing branch, a drag reducer injected system is installed additional in the bifurcation of water cannon system pipeline.
6. the public affair ship water cannon consolidation system based on surface-active drag reduction technology as described in claim 1, which is characterized in that institute
The storage tank that drag reducer injected system includes two belt stirrers is stated, the storage tank of each belt stirrer passes through valve and full ship respectively
The connection of refrigerated sea water system, the storage tank of each belt stirrer pass through valve respectively and connect with the plunger pump.
7. the public affair ship water cannon consolidation system based on surface-active drag reduction technology as claimed in claim 6, which is characterized in that institute
It states drag reducer injected system and realizes that drag reducer injects in such a way that two storage tanks are generated in turn, injected in turn.
8. the public affair ship water cannon consolidation system based on surface-active drag reduction technology as described in claim 1, which is characterized in that public
It is engaged at ship water cannon system pipeline tube wall, drag reduction agent content is 1500~2000ppm.
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CN201810359787.9A CN108871052A (en) | 2018-04-20 | 2018-04-20 | Public affair ship water cannon consolidation system based on surface-active drag reduction technology |
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CN201810359787.9A CN108871052A (en) | 2018-04-20 | 2018-04-20 | Public affair ship water cannon consolidation system based on surface-active drag reduction technology |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020023752A1 (en) * | 1996-10-09 | 2002-02-28 | Qi Qu | Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations |
US6375271B1 (en) * | 1999-04-30 | 2002-04-23 | Young, Iii Chapman | Controlled foam injection method and means for fragmentation of hard compact rock and concrete |
DE102007044695A1 (en) * | 2007-09-19 | 2009-04-16 | Bundesrepublik Deutschland, vertreten durch das Bundesministerium der Verteidigung, vertreten durch das Bundesamt für Wehrtechnik und Beschaffung | Universal cannon i.e. pulse water cannon, for use by e.g. police, has induction needle axially slided into feed shaft, shaft connected with cannon eye and tank including soft balls, and ends of eye equipped with coil and laser telemeter |
CN101545843A (en) * | 2009-04-16 | 2009-09-30 | 西安交通大学 | Drag-reduction property experimental apparatus for surfactant solution |
CN203011240U (en) * | 2012-11-27 | 2013-06-19 | 大连海事大学 | Anti-piracy intelligent sonar water monitor device |
CN107356365A (en) * | 2017-07-10 | 2017-11-17 | 中国矿业大学 | Drag reducer drag reduction effect experimental provision and method in water ring vacuum pump |
-
2018
- 2018-04-20 CN CN201810359787.9A patent/CN108871052A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020023752A1 (en) * | 1996-10-09 | 2002-02-28 | Qi Qu | Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations |
US6375271B1 (en) * | 1999-04-30 | 2002-04-23 | Young, Iii Chapman | Controlled foam injection method and means for fragmentation of hard compact rock and concrete |
DE102007044695A1 (en) * | 2007-09-19 | 2009-04-16 | Bundesrepublik Deutschland, vertreten durch das Bundesministerium der Verteidigung, vertreten durch das Bundesamt für Wehrtechnik und Beschaffung | Universal cannon i.e. pulse water cannon, for use by e.g. police, has induction needle axially slided into feed shaft, shaft connected with cannon eye and tank including soft balls, and ends of eye equipped with coil and laser telemeter |
CN101545843A (en) * | 2009-04-16 | 2009-09-30 | 西安交通大学 | Drag-reduction property experimental apparatus for surfactant solution |
CN203011240U (en) * | 2012-11-27 | 2013-06-19 | 大连海事大学 | Anti-piracy intelligent sonar water monitor device |
CN107356365A (en) * | 2017-07-10 | 2017-11-17 | 中国矿业大学 | Drag reducer drag reduction effect experimental provision and method in water ring vacuum pump |
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