CN102179286A - Non-abrasion extrusion and grinding slurry pressure generation device and method - Google Patents
Non-abrasion extrusion and grinding slurry pressure generation device and method Download PDFInfo
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- CN102179286A CN102179286A CN 201110089056 CN201110089056A CN102179286A CN 102179286 A CN102179286 A CN 102179286A CN 201110089056 CN201110089056 CN 201110089056 CN 201110089056 A CN201110089056 A CN 201110089056A CN 102179286 A CN102179286 A CN 102179286A
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- 239000002002 slurry Substances 0.000 title claims abstract description 120
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000000227 grinding Methods 0.000 title claims abstract description 15
- 238000005299 abrasion Methods 0.000 title abstract description 6
- 238000001125 extrusion Methods 0.000 title abstract 3
- 238000012546 transfer Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 5
- 238000005086 pumping Methods 0.000 claims description 46
- 230000005540 biological transmission Effects 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000005484 gravity Effects 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 4
- 238000003860 storage Methods 0.000 abstract description 4
- 230000009977 dual effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005360 mashing Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000006061 abrasive grain Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 241000894006 Bacteria Species 0.000 description 1
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- 238000001914 filtration Methods 0.000 description 1
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- 238000004064 recycling Methods 0.000 description 1
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Abstract
The invention relates to a non-abrasion extrusion and grinding slurry pressure generation device and a non-abrasion extrusion and grinding slurry pressure generation method. The device comprises a material tank; a baggy film is arranged in the material tank and divides the space in the tank into a film inner cavity and a film outer cavity of which the space can be interchanged; a material storage tank is vertically arranged; the film outer cavity is connected with a transfer medium pump station through a transfer medium pipeline and a flow meter on the upper part of the tank to form a transfer medium passage; and the film inner cavity is connected with a stop valve, a slurry pump and a grinding working machine through a slurry pipeline and a tee joint on the bottom of the tank to form a slurry passage. The spaces of the film inner cavity and the film outer cavity are converted so as to alternately finish the charging of the material tank and the generation of the slurry pressure by using the dual functions of the slurry and transfer medium system pressure and slurry gravity and horizontally opening and flattening a cylindrical baggy film. In the working process, the relative friction between every two contacted surfaces is avoided, so the transfer medium can transfer the slurry in a non-abrasion pressure transfer way and the service life of a slurry high-pressure generation device is prolonged obviously. Meanwhile, the flow meter records the flow information of the transfer medium passing in and out of the material tank, and sends an instruction to realize the timely switching of processing and material charging, so that the device can work more safely and reliably.
Description
Technical field
The present invention relates to a kind of nothing wearing and tearing crush and grind slurry pressure generating means and method, can be widely used in fields such as various endoporus crush and grinds, equipment bottom layer treatment, sheet material cutting.
Background technology
Crush and grind slurry (hereinafter to be referred as slurry) is the abrasive media that uses on the crush and grind equipment, obtains certain pressure and speed by high-voltage generator, thereby forms certain grainding capacity, reaches the processing purpose that equipment surface is ground.But because the hardness height of crush and grind slurry own, and the surface is sharp, and therefore design and the manufacturing to pressure-generating device proposed very high requirement.At present, the pressure-generating device of known crush and grind equipment mainly contains following several both at home and abroad:
1. the method for utilizing hydraulic cylinder to boost to slurry.Hydraulic cylinder is divided into transmission dielectric cavity and slurry chamber by piston, and pressure is produced by high-pressure pump, will transmit medium (as hydraulic oil) and inject the transmission dielectric cavity, promotes the piston motion, thereby pressure is passed to slurry.Easily become grand company in the milling apparatus that China sold, the crush and grind equipment of Wuxi Oil Pump Nozzle Inst's development and the mode that domestic and international most of crush and grind equipment all adopts this hydraulic cylinder as hole diameter and the pressure-generating device in the geometry control appliance, the U.S. of being introduced in the US5807163 of Dynetics Corporation application and the US6132482 patent.Slurry is in the process of boosting, because between piston and the casing wall certain interval is arranged, and the contained I of abrasive grain reaches several microns in the slurry, so during the piston motion, the fine grained abrasive material easily enters the gap between piston and the casing wall, and because abrasive grain is sharply sharp, so as emery wheel piston, casing wall and seal are carried out grinding during motion, thereby very fast equipment is caused damage, so the hydraulic cylinder sealing life-span is short, the maintenance cost height.Particularly under high pressure conditions, the movable sealing problem that has the slurry of abrasive particle has become global problem.
2. centrifugal high pressure mashing pump or the high-pressure plunger mashing pump mode of directly boosting.As U.S. Pat 5752803, two kinds of centrifugal high pressure mashing pumps that US4439200 introduced, and the high-pressure plunger mashing pump that patent CN92202185.6 is introduced all is directly to give the slurry supercharging mechanically.In pressurization, because speed of related movement is more than the hundreds of times of piston speed of hydraulic cylinder between its seal member, and on sealing device, there be not substantive the raising, so compare to the slurry supercharging with adopting hydraulic cylinder, its working life is shorter.Therefore, its pressure that is suitable for is also lower.
Summary of the invention
The objective of the invention is to, defective at the prior art existence, a kind of nothing wearing and tearing crush and grind slurry pressure generating means and the method that pressure transmission medium and slurry can be isolated fully is provided, short to overcome the slurry dynamic seal life-span that exists in the present crush and grind equipment, the problem that maintenance load is big, thereby make this device lifetime obviously elongated, cost reduces, and service behaviour is more stable.
The main thought of dealing with problems among the present invention is:
1. adopt bag shape film inner chamber and the bag shape film exocoel that one bag of shape film is divided into the batch can inner chamber two interchangeable sizes of isolating fully is set in slurry pressure generation tank (hereinafter to be referred as batch can).By slurry pumping plant and transmission medium pumping plant system pressure and slurry gravity double action the packed film of cylindrical shape is strutted and pressing, realize the reinforced and slurry pressure generation work of batch can.In slurry boosts the course of work, because therefore the not relative friction of each contact-making surface has avoided the generation of high pressure dynamic sealing problem, thereby realize transmitting under the high pressure conditions the no abrasion pressure transmission of medium to slurry, the life-span of high-voltage generator is obviously increased.
2. adopt to transmit on the medium channel and establish a flowmeter at the batch can top, record turnover batch can flow information, and send instruction according to information and realize the boost in good time switching of work and reinforced work of batch can, to guarantee the safe operation of equipment.
According to above-mentioned thought, the present invention by the following technical solutions:
A kind of nothing wearing and tearing crush and grind slurry pressure generating means comprises that one is transmitted medium pumping plant and a slurry pumping plant, and it is characterized in that: described medium pumping plant and slurry pumping plant are connected the upper and lower port of a batch can respectively; A bag shape film is housed in the described batch can batch can inner chamber is separated into two mutually isolates and the bag shape film exocoel and the bag shape film inner chamber of transformed space size mutually, described bag shape film exocoel and bag shape film inner chamber are connected the upper and lower port of described batch can respectively.
The structure of described batch can is the fixedly connected batch can upper head plate in the upper end of a housing, the fixedly connected batch can bottom plate in lower end, upper outlet is arranged by the screw thread straight coupling that spins on described upper head plate, the upper end of this straight coupling spins one by a nut and connects the transmission medium pipeline of described transmission medium pumping plant; Described bag shape film described housing with just be preset in the housing before the batch can bottom plate is fixedlyed connected, bag shape film and bag shape film base mold are pressed into the outlet of one structure pouch film, on batch can bottom plate endoporus, the outer end of bag shape film base spins one by locking nut and connects the slurry passage of slurry pumping plant this bag shape film base by " O " RunddichtringO and locknut sealing and fixing.
Described transmission medium pipeline is connected a flowmeter with transmitting between the medium pumping plant; Described slurry pipeline is connected following two-way by a threeway: the one tunnel through one first stop valve and a grinding working machine connection, and another Lu Jingyi second stop valve and described slurry pumping plant are connected; Grind between working machine and the slurry pumping plant and be connected a filter screen.
A kind of nothing wearing and tearing crush and grind slurry pressure method for generation.When adopting above-mentioned nothing wearing and tearing crush and grind slurry pressure generating means to work, boost work and reinforced work hockets, utilize pumping station system pressure and slurry gravity double action, when batch can feeds in raw material, a bag shape film inner chamber is injected with slurry in the low pressure source that is provided by the slurry pumping plant, from bottom to top with bag shape film gradually horizontal brace be split into drum shape, make the applying of all outer surfaces and batch can inwall, the transmission medium of bag shape film exocoel is pushed back to transmitting the medium pumping plant, recycle.When batch can boosts work, the pressure method for generation that transmits medium is to provide high-pressure source (as high pressure liquid potential source, high-pressure water, high-pressure air source etc.) will transmit a medium injection bag shape film exocoel by transmitting the medium pumping plant, bag shape film outer surface is being transmitted under the effect of medium high pressure, both sides are inwardly flattened in opposite directions arbitrarily, bag shape film inner surface is fitted, progressively the slurry of bag shape film inner chamber is pressed out to from top to bottom and grinds working machine and realize grinding work.Pressure being passed to slurry at high pressure transfer medium boosts in the whole process of work slurry, because bag shape film does not have relative fricting movement with the batch can inwall, therefore avoided under the slurry conditions, the generation of high pressure dynamic sealing problem obviously increases the life-span of slurry pressure generating means.The slurry that the grinding working machine was used flows back to slurry box for recycling behind strainer filtering.
When adopting above-mentioned nothing wearing and tearing crush and grind slurry pressure generating means to work; employing connects the method for a flowmeter on the interface channel of batch can top; the transfer medium stream amount information of bulk registration turnover batch can; and send instruction according to information; realization can play the safeguard protection effect to bag shape film to the work of boosting of batch can and the timely switching of reinforced work.
The present invention is owing to adopt nothing wearing and tearing crush and grind slurry pressure generating means and method, compare with existing slurry pressure generating means, have outstanding feature and effect: 1. in the course of work, the batch can inwall does not have relative fricting movement with bag shape film, realized transmitting the no abrasion pressure transmission between medium and the ground slurry, avoided the generation of high pressure dynamic sealing problem under the slurry conditions, significantly improved the service life of equipment, thereby stopped to transmit the mutual pollution between medium and the slurry, guaranteed that two media can recycle respectively.Reduce production cost, improved product quality.2. each batch can is equipped with a flowmeter, discrepancy situation information that can the accurate response pressure transmission medium, thus the accurately switching of the reinforced and processing two states of control guarantees not to be damaged at following bag of shape film of high-pressure work state, reduce fault rate, improved the reliability of equipment work.3. bag shape film is owing to self have certain elasticity, thin thickness, and adaptive capacity is good, so high efficiency, and storage tank plot ratio at work can reach more than 95%.Therefore select suitable volume, the single jar of long-time continuous discharging processing work that can realize dozens of minutes and even a few hours.
Description of drawings
Fig. 1 is the flow chart of one of the present invention embodiment of being applied to crush and grind equipment.
Fig. 2 is the reinforced process operation principle schematic diagram of batch can of the present invention.
Fig. 3 is a slurry pressure generation operation principle schematic diagram of the present invention.
Fig. 4 is the batch can of the present invention schematic diagram that quits work.
The specific embodiment
Below in conjunction with accompanying drawing the preferred embodiment of the present invention is elaborated:
Embodiment one:
As shown in Figure 1, this nothing wearing and tearing crush and grind slurry pressure generating means comprises that one is transmitted medium pumping plant 1 and a slurry pumping plant 24, and it is characterized in that: described medium pumping plant 1 and slurry pumping plant 24 are connected the upper and lower port of a batch can 25 respectively; A bag shape film 10 is housed in the described batch can 25 batch can 25 inner chambers are separated into two mutually isolate and the bag shape film exocoel 8 and the bag shape film inner chamber 11 of transformed space size mutually, described bag shape film exocoel 8 and bag shape film inner chamber 11 are connected the upper and lower port of described batch can 25 respectively.
Embodiment two:
Present embodiment and embodiment one are basic identical, and special feature is as follows:
The structure of described batch can 25 is the fixedly connected batch can upper head plates 7 in the upper end of a housing 9, the fixedly connected batch can bottom plate 16 in lower end, upper outlet is arranged by the screw thread straight coupling 5 that spins on described upper head plate 7, the upper end of this straight coupling 5 spins one by a nut and connects the transmission medium pipeline 3 of described transmission medium pumping plant 1; Described bag shape film 10 described housing 9 with just be preset in the housing 9 before batch can bottom plate 16 is fixedlyed connected, bag shape film 10 and bag shape film base 13 are molded into the outlet of one structure pouch film 10, on batch can bottom plate 16 endoporus, the outer end of bag shape film base 13 spins one by locking nut 17 and connects the slurry passage 18 of slurry pumping plant 24 by " O " RunddichtringO 14 and locknut 15 sealing and fixing for this bag shape film base 13.
Described transmission medium pipeline 3 is connected a flowmeter 2 with transmitting between the medium pumping plant 1; Described slurry pipeline 18 is connected following two-way by a threeway 19: the one tunnel through one first stop valve 20 and grinding working machine 22 connections, and another Lu Jingyi second stop valve 21 connected with described slurry pumping plant 24; Grind between working machine 22 and the slurry pumping plant 24 and be connected a filter screen 23.
Embodiment three:
This nothing wearing and tearing pressure grinding slurry pressure method for generation, adopt said apparatus work as follows::
1. system is reinforced
2. system's work of boosting
3. system's end-of-job that boosts
System boosts in the course of work, and flowmeter 2 bulk registration always transmits the injection flow of medium, and when slurry reached the security limitations surplus in flowmeter is confirmed batch can, promptly the control work of boosting stopped automatically, and opened the reinforced working procedure of batch can, so circulation simultaneously.
4. shown in Fig. 2,3,4, details are as follows for the operation principle of this device:
Fig. 2 is the reinforced process operation principle schematic diagram of batch can of the present invention.
When reinforced, slurry enters a bag shape film inner chamber 11 through transmitting medium channel 18 from the batch can bottom.Under slurry pumping plant low pressure and fluid gravity double action, slurry progressively struts banded film 10 from bottom to top, makes film outer surface be close to the batch can inwall.Transmission medium in the bag shape film exocoel 8 is progressively upwards discharged from the batch can top through slurry passage 3, flowmeter 2.When bag shape film inner chamber 11 is full of slurry, film outer surface all is close to the storage tank inwall, and flowmeter 2 shows that flows are at 0 o'clock, promptly sends instruction, and the slurry pumping plant quits work, the reinforced end.A this moment bag shape film is close to storage tank top passageway mouth, because charging system pressure is low, and a bag shape film 10 has certain intensity, so the passage oral area not have the film of support also can not be damaged.
Fig. 3 is a slurry pressure generation operation principle schematic diagram of the present invention.
When boosting work, under the pressure and slurry gravity double action that transmit the medium pumping plant, transmit medium enters batch can through flowmeter 2 and transmission medium pipeline 3 bag shape film exocoel 8, transmit medium from the inside squeeze bag shape film 10 in opposite directions of outer surface, bag shape film is pushed by any both sides in opposite directions from round barrel shape, when top is crushed the inner surface applying, its underpart is because the supporting role of slurry, still keep round barrel shape, progressively slurry is extruded from bag shape film inner chamber 11 so from top to bottom, deliver to grinding working machine 22 through slurry pipeline 18, the work of realization crush and grind, this shows that this device is by pressure transmission medium pressure to be passed to slurry by the size of exocoel volume in the change bag shape film to finish slurry pressure generation work.Because in the whole process that pressure transmits, bag shape film outer surface and batch can inwall, and two inner surfaces of bag shape film applying all are vertical mutually contacts, contact-making surface does not have relative fricting movement.Therefore, avoided the generation of the movable sealing problem of slurry under the high pressure effect effectively, the working life of slurry high-voltage generator is rised appreciably.
Fig. 4 is the batch can of the present invention schematic diagram that quits work.
Bag shape film inner chamber 11 slurry major parts are drained, the remaining a small amount of slurry of bag shape film inner chamber, under deadweight and pressure effect, accumulate in the outlet at bottom place, this moment flowmeter 2 since bulk registration the transmission medium volume in flowing into jar, when confirming that a jar interior slurry reaches the design safety surplus, promptly control the end-of-job that boosts automatically, and the instruction batch can enters reinforced program.Thereby guarantee that bag shape film can not be damaged, and plays the safeguard protection effect under high pressure conditions.
5. the present invention also can be at the top and the sack place, bag shape film bottom of batch can, and each installs a bacterium shape check valve, and the sealing direction is opposite, with mechanical means bag shape film is protected.
6. remove can be by shown in Fig. 2,3,4 for the batch can among the present invention, and sack is vertically installed down, also turning 180 ° of uses.Need this moment to change heavy medium into injection exocoel 8, the medium that proportion is little injects inner chamber 11.
The present invention also can adopt extra quality jar of parallel connection, controls two batch cans with stop valve and is used alternatingly.Promptly when the work of batch can, another batch can is reinforced, and two reinforced in turn and work of jars realize system's continuous operation, when solving single jar of operation, must stop work reinforced and influences the problem of working (machining) efficiency.
Claims (6)
1. one kind is not had wearing and tearing crush and grind slurry pressure generating means, comprises that one is transmitted a medium pumping plant (1) and a slurry pumping plant (24), and it is characterized in that: described medium pumping plant (1) and slurry pumping plant (24) are connected the upper and lower port of a batch can (25) respectively; A bag shape film (10) is housed in the described batch can (25) batch can (25) inner chamber is separated into two mutually isolates and the bag shape film exocoel (8) and the bag shape film inner chamber (11) of transformed space size mutually, described bag of shape film exocoel (8) and bag shape film inner chamber (11) are connected the upper and lower port of described batch can (25) respectively.
2. according to claim 1 described nothing wearing and tearing crush and grind slurry pressure generating means, it is characterized in that: the structure of described batch can (25) is the fixedly connected batch can upper head plate in the upper end of a housing (9) (7), the fixedly connected batch can bottom plate in lower end (16), upper outlet is arranged by the screw thread straight coupling (5) that spins, the transmission medium pipeline (3) that the upper end of this straight coupling (5) spins and connects described transmission medium pumping plant (1) by a nut on described upper head plate (7); Described bag shape film (10) described housing (9) with just be preset in the housing (9) before batch can bottom plate (16) is fixedlyed connected, a bag shape film (10) and a bag shape film base (13) are molded into the outlet of one structure pouch film (10), this bag shape film base (13) by " O " RunddichtringO (14) and locknut (15) sealing and fixing on batch can bottom plate (16) endoporus, the slurry passage (18) that the outer end of bag shape film base (13) spins and connects slurry pumping plant (24) by locking nut (17).
3. nothing according to claim 2 wearing and tearing crush and grind pressure-generating device is characterized in that being connected a flowmeter (2) between described transmission medium pipeline (3) and the transmission medium pumping plant (1); Described slurry pipeline (18) is connected following two-way by a threeway (19): the one tunnel through one first stop valve (20) and a grinding working machine (22) connection, and another Lu Jingyi second stop valve (21) connected with described slurry pumping plant (24); Grind between working machine (22) and the slurry pumping plant (24) and be connected a filter screen (23).
4. according to claim 1 or 2 or 3 described nothing wearing and tearing crush and grind slurry pressure generating means, it is characterized in that: described batch can (25) palpus positioned vertical, its gradient must not be greater than 45 °.
5. one kind is not had wearing and tearing crush and grind slurry pressure method for generation, adopt the described nothing wearing and tearing of claim 1 crush and grind slurry pressure generating means to carry out work, it is characterized in that: by the double action of slurry pumping plant and transmission medium pumping plant pressure and slurry self gravitation, a bag shape film water is supported out and pressing, thereby the work of boosting of the reinforced and slurry of batch can is alternately finished in a conversion that realizes exocoel size in the bag shape film: when batch can (25) feeds in raw material, low grouting material injects bag shape film inner chamber (11), from bottom to top, with bag shape film (10) gradually level strut and press to the batch can inwall, the transmission medium of bag shape film exocoel (8) is pushed back transmits the medium pumping plant; When batch can (25) boosts work, high pressure transfer medium pumping plant (1) will transmit medium and inject bag shape film exocoel (8), make bag shape film (a 10) outer surface be subjected to the inwardly extruding in opposite directions of any both sides level, bag shape film (10) inner surface is fitted, progressively the slurry of inner chamber (11) is pressed out to from top to bottom and grinds working machine (22), carry out grinding work; Grind the slurry after working machine (22) uses, after filter screen (23) filters, flow back to slurry pumping plant (24) and recycle; At high pressure transfer medium pressure is passed to slurry, slurry is boosted in the whole process of work,, avoided the generation of high pressure dynamic sealing problem under the slurry conditions, the life-span of slurry high-voltage generator is rised appreciably because each contact-making surface does not have relative fricting movement.
6. according to claim 5 described nothing wearing and tearing crush and grind slurry pressure method for generation; it is characterized in that: transmit medium channel (3) at batch can (9) top exit and connect a flowmeter (2); but the transfer medium stream amount information of bulk registration turnover batch can; and send instruction according to information; the timely switching of realization and boost action reinforced to batch can play the safeguard protection effect to equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100890565A CN102179286B (en) | 2011-04-11 | 2011-04-11 | Non-abrasion extrusion and grinding slurry pressure generation device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100890565A CN102179286B (en) | 2011-04-11 | 2011-04-11 | Non-abrasion extrusion and grinding slurry pressure generation device and method |
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| CN102179286A true CN102179286A (en) | 2011-09-14 |
| CN102179286B CN102179286B (en) | 2012-11-07 |
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| CN2011100890565A Expired - Fee Related CN102179286B (en) | 2011-04-11 | 2011-04-11 | Non-abrasion extrusion and grinding slurry pressure generation device and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241698A (en) * | 2013-05-28 | 2013-08-14 | 姜孟泽 | Isobaric difference seal lubrication supercharged ore pulp conveying device |
| CN106238155A (en) * | 2016-08-21 | 2016-12-21 | 横店集团东磁股份有限公司 | A kind of material breaking mixing apparatus |
| CN106286242A (en) * | 2015-05-18 | 2017-01-04 | 葛稳生 | A kind of slurry pipeline steel equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2242730Y (en) * | 1995-07-28 | 1996-12-18 | 中国科学院宁波三环粉体高技术公司 | Controllable fluidized-bed apparatus of colliding-type air-flow mill |
| US6132482A (en) * | 1996-11-12 | 2000-10-17 | Dynetics Corporation | Abrasive liquid slurry for polishing and radiusing a microhole |
| CN1701852A (en) * | 2005-06-23 | 2005-11-30 | 西安量维生物纳米科技股份有限公司 | Method and equipment for preparing nano grade biological powder material |
| US20080067268A1 (en) * | 2006-09-14 | 2008-03-20 | Mitsubishi Heavy Industries, Ltd. | Method of machining injection hole in nozzle body, apparatus therefore, and fuel injection nozzle produced using the method and apparatus |
-
2011
- 2011-04-11 CN CN2011100890565A patent/CN102179286B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2242730Y (en) * | 1995-07-28 | 1996-12-18 | 中国科学院宁波三环粉体高技术公司 | Controllable fluidized-bed apparatus of colliding-type air-flow mill |
| US6132482A (en) * | 1996-11-12 | 2000-10-17 | Dynetics Corporation | Abrasive liquid slurry for polishing and radiusing a microhole |
| CN1701852A (en) * | 2005-06-23 | 2005-11-30 | 西安量维生物纳米科技股份有限公司 | Method and equipment for preparing nano grade biological powder material |
| US20080067268A1 (en) * | 2006-09-14 | 2008-03-20 | Mitsubishi Heavy Industries, Ltd. | Method of machining injection hole in nozzle body, apparatus therefore, and fuel injection nozzle produced using the method and apparatus |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241698A (en) * | 2013-05-28 | 2013-08-14 | 姜孟泽 | Isobaric difference seal lubrication supercharged ore pulp conveying device |
| CN103241698B (en) * | 2013-05-28 | 2015-04-22 | 姜孟泽 | Isobaric difference seal lubrication supercharged ore pulp conveying device |
| CN106286242A (en) * | 2015-05-18 | 2017-01-04 | 葛稳生 | A kind of slurry pipeline steel equipment |
| CN106238155A (en) * | 2016-08-21 | 2016-12-21 | 横店集团东磁股份有限公司 | A kind of material breaking mixing apparatus |
| CN106238155B (en) * | 2016-08-21 | 2018-06-08 | 横店集团东磁股份有限公司 | A kind of material breaking mixing apparatus |
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| Publication number | Publication date |
|---|---|
| CN102179286B (en) | 2012-11-07 |
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