CN110370172A - A kind of the abrasive reclaiming circulatory system and its application method of front mixing abrasive water jet - Google Patents
A kind of the abrasive reclaiming circulatory system and its application method of front mixing abrasive water jet Download PDFInfo
- Publication number
- CN110370172A CN110370172A CN201910455077.0A CN201910455077A CN110370172A CN 110370172 A CN110370172 A CN 110370172A CN 201910455077 A CN201910455077 A CN 201910455077A CN 110370172 A CN110370172 A CN 110370172A
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- CN
- China
- Prior art keywords
- abrasive
- abrasive material
- water jet
- holding vessel
- compression cylinder
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/04—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass
- B24C1/045—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass for cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0007—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/006—Treatment of used abrasive material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Disintegrating Or Milling (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The invention discloses the abrasive reclaiming circulatory systems and its application method of a kind of front mixing abrasive water jet, including sink, overflow mechanism, vibrating screen, Pulp pump and water pot；There are first plus sand mouth at the top of water pot, there is agitating device in inside, and bottom passes sequentially through compression feeding system and high pressure check valve is connected with high-pressure abrasive material holding vessel；Setting second plus sand mouth at the top of abrasive material holding vessel, abrasive material storage pot bottom are connected with high-pressure hydraulic pump and nozzle by high-pressure water pipe respectively.Benefit is: realize recycling and being persistently fed for abrasive material under the conditions of single abrasive material holding vessel, it is stable working performance, controllable, and higher operating pressure can be used.
Description
Technical field
The present invention relates to front mixing abrasive water jet fields, and in particular to a kind of abrasive reclaiming of front mixing abrasive water jet
The circulatory system and its application method.
Background technique
Abrasive water jet Flow Technique be it is a kind of be widely used, the modernization processing technology of powerful.Pre-mixed abrasive water-jet
Streaming system has more reasonable abrasive material to be mixed into mode compared to rear compound abrasive water jet, in same pressure parameter condition incision
The several times that the ability of cutting mixes after being.It is some intrinsic existing for front mixing abrasive water jet although the advantage that having
Problem, mainly abrasive can constrain current application.
1., abrasive can due to working voltage the problem of, it is difficult to realize continuous feeding.At present for two kinds of the technical problem
The processing scheme of mature mainstream is respectively: one is to give up continuous feeding, by the way of shutting down the new abrasive material of addition；Second is that using two
The mode that a abrasive can is used alternatingly solves the problems, such as continuous feeding.
2., in the case where abrasive can cannot achieve continuous feeding, generally can only use volume as big as possible abrasive can.
But abrasive material tank volume is bigger, in the case where resistance to pressure request is constant, manufacture difficulty is inevitable higher, while safety also suffers from
It influences.
3., since abrasive material is there are service life, in same a collection of abrasive material after continuous several times use, abrasive material
It wears off and will have a direct impact on cutting performance, influence cutting accuracy.Current solution is mainly after a period of use
Abrasive material integral replacing.Therefore, for machine, the laws of use of abrasive material is: new abrasive material --- it wears off and becomes old mill
Material --- the new abrasive material of replacement.Obviously because the cutting ability of new and old abrasive material is different, will lead to the Product Precision of cutting also can be with
The variation of abrasive material is fluctuated therewith.
4., abrasive water-jet the shortcomings that be that operation cost is higher, and the major part of its cost structure is abrasive material cost.
The production of abrasive material and the processing of discarded abrasive material will lead to environmental disruption and industrial dust, with current increasing environmental requirement phase
It is contrary to.A large number of studies show that abrasive material also keeps comparable working performance after completing the process, recycling can be recycled.Mesh
Preceding recycling and reusing has two sets of plan, first is that recycling after sieving processing, first is that direct recycling and reusing.But both feelings
Condition, program complexity higher cost.
Summary of the invention
The object of the present invention is to provide the abrasive reclaiming circulatory systems and its application method of a kind of front mixing abrasive water jet.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of abrasive reclaiming circulatory system of front mixing abrasive water jet, including, the sink below nozzle is set；The sink
Side wall be equipped with overflow mechanism, bottom is connected with dismountable vibrating screen, the vibrating screen by after pipeline connection Pulp pump again
It is connect with water pot top；The top of the water pot is equipped with open first plus sand mouth, and inside is equipped with agitating device, and bottom successively leads to
Overcompression feeding system and high pressure check valve are connected with abrasive material holding vessel；Normally closed second is set at the top of the abrasive material holding vessel
Add sand mouth；Abrasive material storage pot bottom is connect by high-pressure water pipe with nozzle；The bottom of the abrasive material holding vessel also passes through high pressure water
Pipe is connect with high-pressure hydraulic pump.
Further, the agitating device includes: the driving motor that top is arranged in, and with driving motor power output
End is sequentially connected and is stretched outside the impeller in water pot.
Further, the compression feeding system includes: water pot bottom to be arranged in and tubulose that one end is connect with check valve
Compression cylinder；The other end of the compression cylinder extends in water pot bottom and does encapsulation process；It is equipped on compression cylinder straight path past
Linear motion and the piston slided in compression cylinder；The piston and piston rod are sequentially connected；Piston rod is passing through compression cylinder
It is sequentially connected again with external reciprocating drive unit after sealed end；Sand is moved back equipped with open on the compression cylinder top close to sealed end
Mouthful, the compression cylinder top that distance moves back that husky mouth is more than one times of piston piston length within the scope of piston stroke be equipped with opening into sand
Mouthful.
Further, the reciprocating drive unit includes: the brace and connecting rod framework connecting with piston rod；The crank connecting link
Structure is connect by gearbox with motor drive.
Further, the overflow mechanism includes several overflow pipes for being equidistantly vertically arranged in basin sidewall；And it is each
Overflow pipe is equipped with valve.
It is using method of the invention:
Step a is packed into abrasive material in abrasive material holding vessel under shutdown status；And it is overflow according to selectively opened several of spillway discharge
Flow tube；
Step b, starting vibrating screen, Pulp pump, driving motor, reciprocating drive unit and high-pressure hydraulic pump；
Step c starts water jet device, and the part abrasive material for allowing nozzle to spray is discharged by the overflow pipe opened in step a；
Step d is continuously added into the new abrasive material with spillway discharge same in step a in first plus sand mouth, until water jet device stops
Machine.
Compared with prior art, the invention has the following beneficial effects:
For the three point problem in background technique, the present invention realizes the recycling and reusing of abrasive material, while realizing pre-mixed abrasive water
The single abrasive can continuous feeding of jet stream.Abrasive material without interruption can simplify operating process, lengthen working hours, and improve work effect
Rate, and due to can continuous feeding, can reduce the volume of abrasive can, so that it is higher to realize to improve the resistance to pressure of abrasive can
Operating pressure.
It compares and same abrasive material is recycled in the prior art, this set system of the invention passes through the new abrasive material replacement recycling in part
Abrasive material makes it remain certain working performance, is truly realized the continuous feeding cycle of whole system, also ensures and follow every time
The abrasive properties of ring are identical always.
Detailed description of the invention
The schematic diagram of Fig. 1 structure of the invention.
In figure, 1 nozzle；1.1 high-pressure water pipe；2 sinks；3 overflow mechanisms；31 overflow pipes；4 vibrating screens；5 Pulp pumps；6 water
Tank；7 driving motors；8 first add sand mouth；9 impellers；10 reciprocating drive units；11 piston rods；12 pistons；13 compression cylinders；13.1 into
Husky mouth；13.2 move back husky mouth；14 high pressure check valves；15 abrasive material holding vessels；16 second add sand mouth；17 high-pressure hydraulic pumps.
Specific embodiment
Invention is further described in detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of abrasive reclaiming circulatory system of front mixing abrasive water jet, including, it is arranged below nozzle 1
Sink 2, the sink 2 can catch from nozzle 1 spray water and abrasive material；The side wall of the sink 2 is equipped with overflow mechanism 3,
Under the percussion of jet stream, the abrasive material precipitated in sink 2 floats up to certain altitude, can be by different high in the overflow mechanism 3
Certain proportion abrasive material and the water of more ratio are discharged the overflow pipe 31 of degree.Since the abrasive grain of larger particles is not easy to float
To higher height, so overflow mechanism can screen out lesser abrasive grain to a certain extent.It is connected in 2 bottom of sink
Dismountable vibrating screen 4, the vibrating screen 4 are connect with 6 top of water pot again after being connected to Pulp pump 5 by pipeline.The tool of vibrating screen 4
Body type can select ultrasonic activation sieve etc., and main effect is the iron rust fallen or the oscillation resistance of other larger particles impurity
It blocks, large granular impurity is avoided to enter follow-up system.In actual operation, the space of storage impurity is set before vibrating screen, is convenient for
Shut down the large granular impurity that obstruction is discharged after dismantling.The top of the water pot 6 is equipped with open first plus sand mouth 8, water pot 6 it is interior
Portion is equipped with agitating device, and bottom passes sequentially through compression feeding system and high pressure check valve 14 is connected with abrasive material holding vessel 15.Water
The effect of agitating device is that the abrasive material and used abrasive material and water that are newly added are sufficiently mixed to make up to more uniformly in tank 6
Abrasive fluid, agitating device described in this system includes: the driving motor 7 that top is arranged in, and with 7 power of driving motor
The impeller 9 that output end is sequentially connected and is stretched outside in water pot 6；Compression feeding system described in this system includes: to be arranged in water pot 6
The tubular compression cylinder 13 that bottom and one end are connect with high pressure check valve 14；The other end of the compression cylinder 13 extends in 6 bottom of water pot
Portion opposite side and do encapsulation process.
The piston 12 for being equipped with linear reciprocating motion on 13 straight path of compression cylinder and being slided in compression cylinder 13；The work
Plug 12 is sequentially connected with piston rod 11；Piston rod 11 after passing through 13 sealed end of compression cylinder again with external reciprocating drive unit 10
Transmission connection；Close to sealed end 13 top of compression cylinder be equipped with it is open move back husky mouth 13.2, in 12 stroke range of piston away from
It is equipped with open sand inlet 13.1 from 13 top of compression cylinder for moving back more than one times 12 length of piston of husky mouth 13.2, top is equipped with opening
Sand inlet 13.1.Wherein, the reciprocating drive unit 10 includes: the brace and connecting rod framework connecting with piston rod 11；The song
Handle link mechanism is connect by gearbox with motor drive.Piston 12 is allowed to move in compression cylinder 13 by the movement of crank connecting link
When, complete the process of each second compression and absorption.Detailed process is as follows:
After piston 12 is moved toward 14 direction of high pressure check valve, the space in compression cylinder 13 will be squeezed, so that mixing abrasive material
Water be pressurized to more than pressure in abrasive can and break through the abrasive material holding vessel 15 that high pressure check valve 14 enters high pressure.It is anti-in piston 12
To when movement, it can allow compression cylinder 13 is interior to form local negative pressure；The compound abrasive at the back side can be allowed at the back side of piston 12 simultaneously
Liquid squeezes from sand inlet 13.1 or moves back husky mouth 13.2 and be discharged, when piston motion to sand inlet 13.1 and after move back between husky mouth 13.2,
Compression cylinder 13 in negative pressure state can by sand inlet 13.1 suck mixer mill feed liquid, and the mixed liquor at 12 back side of piston from
Husky mouth 13.2 is moved back to be discharged.By reciprocating motion of the piston 12 in compression cylinder 13, realize constant toward abrasive material holding vessel 15
Interior addition compound abrasive.
Piston 12 and compression cylinder 13 select wear-resisting material, do necessary surface treatment to guarantee to meet sealing between the two
Requirement.Piston 12 and high pressure check valve 14 should be used as vulnerable part, easy to disassemble.Reduced overall feeding system does not set cooling system
System realizes cooling by the flowing of abrasive fluid.
Setting second plus sand mouth 16 at the top of the abrasive material holding vessel 15 can add sand mouth 16 toward abrasive material by opening second
Filling new abrasive material in holding vessel 15.Second adds sand mouth 16 can only be in the front opening of the device starting of this system.
15 bottom of abrasive material holding vessel is connected with nozzle 1 and high-pressure hydraulic pump respectively by high-pressure water pipe 1.1.It is opened in system
When, the addition such as abrasive fluid in abrasive can is sprayed by high-pressure water pipe from nozzle 1, completes to recycle.
The overflow mechanism 3 includes the overflow pipe 31 that several are equidistantly vertically arranged in 2 side wall of sink；And each overflow pipe
31 are equipped with valve.Reach conjunction to allow both used old abrasive material and the new abrasive material for adding sand mouth 8 to be added by first to mix
Suitable ratio can be by opening the valve on different height overflow pipe 31, control with circulation of the abrasive material in system and device
The discharge rate of abrasive material and water.
When using this system, it can implement according to following step:
Step a is packed into abrasive material in abrasive material holding vessel 15 under shutdown status；And according to spillway discharge it is selectively opened several
Overflow pipe 31；In order to obtain the balance (abrasive material including the old abrasive material after using and being newly added) of abrasive material total amount in whole system,
It can choose the size of 31 aperture of overflow pipe.After completing step a, next it can implement according to step b, starting vibrating screen 4,
Pulp pump 5, driving motor 7, reciprocating drive unit 10 and high-pressure hydraulic pump 17；Simultaneous Pressure in abrasive material holding vessel 15 and nozzle 1
Become larger.
Then according to step c, start water jet device, the abrasive material for allowing nozzle 1 to spray allows the abrasive material in system and device to recycle
It gets into smooth, after the 31 discharge part abrasive material of overflow pipe of certain height in step a, reaches the balance of new and old abrasive material；This
The abrasive material of kind balance can maintain the stabilization of cutting performance.
In cutting process, need to be continuously added into same 31 row of overflow pipe in first plus sand mouth 8 according to step d
The new abrasive material of output, until water jet device is shut down.
The working principle of the invention:
The present invention persistently gives abrasive material holding vessel 15 conveying grinding material using compression feeding system, effectively raises feed efficiency, and
Two abrasive material storage tanks of installation are not needed in the process to be used alternatingly like that.
Since the abrasive material newly increased can be directly added into from first plus sand mouth 8, solves and rely solely on mill in traditional equipment
The drawbacks of expecting the storage of 15 abrasive material of holding vessel.The present invention with continuous feeding due to that can manufacture the volume of abrasive material holding vessel 15
It is sufficiently small, to bear sufficiently large pressure.It can effectively avoid considering pressure in conventional abrasives storage in this way, also
Consider the contradiction of both abrasive material amount of storage.Meanwhile bigger operating pressure can allow the present apparatus to have better working performance.
New abrasive material is added from first plus sand mouth 8 in the present invention, then allows old abrasive material and new abrasive material to mix, sprays from nozzle 1
Abrasive fluid have sufficiently stable cutting ability, can be recycled always to avoid conventional abrasives causes its performance to gradually decrease
The problem of.It realizes that abrasive properties are stably and controllable, in attached drawing 1, adjusts out different overflow using the overflow port of different liquid levels
Flow, according to abrasive material share specific in spillway discharge；It determines again and needs to be added the amount of abrasive material in first plus sand mouth 8.When cutting is wanted
It asks when change, the ratio of adjustable new and old abrasive material, after changing the working performance of abrasive material and then adapt to variation
Cutting requirement.
Claims (6)
1. a kind of abrasive reclaiming circulatory system of front mixing abrasive water jet, it is characterised in that: including,
The sink (2) being arranged below nozzle (1)；The side wall of the sink (2) is equipped with overflow mechanism (3), and bottom is connected with can
The vibrating screen (4) of disassembly, the vibrating screen (4) connect with water pot (6) top again after being connected to Pulp pump (5) by pipeline；It is described
The top of water pot (6) is equipped with open first plus sand mouth (8), and inside is equipped with agitating device, and bottom passes sequentially through compression feed system
System and high pressure check valve (14) are connected with abrasive material holding vessel (15)；
Normally closed second plus sand mouth (16) are set at the top of the abrasive material holding vessel (15)；Abrasive material holding vessel (15) bottom passes through high pressure
Water pipe (1.1) is connect with nozzle (1)；The bottom of the abrasive material holding vessel (15) also passes through high-pressure water pipe (1.1) and high-pressure hydraulic pump
(17) it connects.
2. the abrasive reclaiming circulatory system of front mixing abrasive water jet according to claim 1, it is characterised in that: described to stir
Mixing device includes: the driving motor (7) that top is arranged in, and is sequentially connected and is stretched outside with driving motor (7) power output end
Impeller (9) in water pot (6).
3. the abrasive reclaiming circulatory system of front mixing abrasive water jet according to claim 1, it is characterised in that: the pressure
Contracting feeding system includes: the tubular compression cylinder (13) that setting is connect in water pot (6) bottom and one end with high pressure check valve (14)；Institute
The other end for stating compression cylinder (13) extends in water pot (6) bottom and does encapsulation process；
The piston (12) for being equipped with linear reciprocating motion on compression cylinder (13) straight path and being slided in compression cylinder (13)；It is described
Piston (12) and piston rod (11) are sequentially connected；Piston rod (11) is reciprocal with outside again after passing through compression cylinder (13) sealed end
Driving device (10) transmission connection；
Compression cylinder (13) top close to sealed end be equipped with it is open move back husky mouth (13.2), in piston (12) stroke range away from
Open sand inlet (13.1) is equipped with from compression cylinder (13) top for moving back more than one times piston (12) length of husky mouth (13.2).
4. the abrasive reclaiming circulatory system of front mixing abrasive water jet according to claim 3, it is characterised in that: described past
Multiple driving device (10) include: the brace and connecting rod framework connecting with piston rod (11)；The brace and connecting rod framework passes through gearbox
It is connect with motor drive.
5. the abrasive reclaiming circulatory system of front mixing abrasive water jet according to claim 1, it is characterised in that: described to overflow
Stream device (3) includes the overflow pipe (31) that several are equidistantly vertically arranged in sink (2) side wall；And it is set on each overflow pipe (31)
There is valve.
6. a kind of abrasive reclaiming method of the abrasive reclaiming circulatory system using front mixing abrasive water jet described in claim 1,
It is characterized by:
Step a is packed into abrasive material under shutdown status in abrasive material holding vessel (15)；And according to the selectively opened overflow of spillway discharge
The on-off of several overflow pipes (31) in device (3)；
Step b, starting vibrating screen (4), Pulp pump (5), driving motor (7), reciprocating drive unit (10) and high-pressure hydraulic pump (17)；
Step c starts water jet device, and the part abrasive material for allowing nozzle (1) to spray is arranged by the overflow pipe (31) opened in step a
Out；
Step d is continuously added into the new abrasive material with spillway discharge same in step a in first plus sand mouth (8), until water jet device
It shuts down.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910455077.0A CN110370172B (en) | 2019-05-29 | 2019-05-29 | Abrasive recycling and circulating system for pre-mixed abrasive water jet and using method of abrasive recycling and circulating system |
| PCT/CN2019/096810 WO2020237804A1 (en) | 2019-05-29 | 2019-07-19 | Abrasive recovery circulation system of pre-mixed abrasive water-jet and using method of abrasive recovery circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910455077.0A CN110370172B (en) | 2019-05-29 | 2019-05-29 | Abrasive recycling and circulating system for pre-mixed abrasive water jet and using method of abrasive recycling and circulating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110370172A true CN110370172A (en) | 2019-10-25 |
| CN110370172B CN110370172B (en) | 2020-10-30 |
Family
ID=68248824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910455077.0A Active CN110370172B (en) | 2019-05-29 | 2019-05-29 | Abrasive recycling and circulating system for pre-mixed abrasive water jet and using method of abrasive recycling and circulating system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110370172B (en) |
| WO (1) | WO2020237804A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695859A (en) * | 2019-11-08 | 2020-01-17 | 北京特种机械研究所 | Nozzle with self-mixing flow function |
| CN111872858A (en) * | 2020-08-07 | 2020-11-03 | 郑州标富科技有限公司 | Machining device for maintaining cutting pressure by uniformly mixing front-mixing abrasive jet flow |
| CN111975649A (en) * | 2020-08-25 | 2020-11-24 | 毛秀花 | Device for removing residual sand in inner cavity of casting by utilizing airflow |
| CN113770921A (en) * | 2021-10-09 | 2021-12-10 | 河南理工大学 | Advanced premixing abrasive water jet equipment and generation method |
| CN114434344A (en) * | 2022-01-12 | 2022-05-06 | 武汉大学 | High-pressure abrasive water jet steel rail grinding abrasive separation and cyclic utilization system |
| CN115179197A (en) * | 2022-06-28 | 2022-10-14 | 中国石油大学(华东) | Front mixing type abrasive jet reaction kettle surface cleaning device and using method |
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| CN106392898A (en) * | 2016-10-20 | 2017-02-15 | 安徽理工大学 | Pre-mixed abrasive water jet continuous operation device |
| CN107020578A (en) * | 2017-05-05 | 2017-08-08 | 江苏兴海特钢有限公司 | Immersion grinding material water jet rust removing device |
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- 2019-07-19 WO PCT/CN2019/096810 patent/WO2020237804A1/en active Application Filing
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| GB1444092A (en) * | 1972-12-05 | 1976-07-28 | Deccospray Ltd | Grit blasting apparatus |
| CN204339599U (en) * | 2014-12-21 | 2015-05-20 | 湖州师范学院 | jet polishing liquid supercharging device |
| CN104526573A (en) * | 2015-01-21 | 2015-04-22 | 北京科技大学 | Continuous slurry supply system for strip steel surface treatment and use method |
| CN106392898A (en) * | 2016-10-20 | 2017-02-15 | 安徽理工大学 | Pre-mixed abrasive water jet continuous operation device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695859A (en) * | 2019-11-08 | 2020-01-17 | 北京特种机械研究所 | Nozzle with self-mixing flow function |
| CN111872858A (en) * | 2020-08-07 | 2020-11-03 | 郑州标富科技有限公司 | Machining device for maintaining cutting pressure by uniformly mixing front-mixing abrasive jet flow |
| CN111975649A (en) * | 2020-08-25 | 2020-11-24 | 毛秀花 | Device for removing residual sand in inner cavity of casting by utilizing airflow |
| CN113770921A (en) * | 2021-10-09 | 2021-12-10 | 河南理工大学 | Advanced premixing abrasive water jet equipment and generation method |
| CN113770921B (en) * | 2021-10-09 | 2022-07-15 | 河南理工大学 | Advanced premixing abrasive water jet equipment and generation method |
| CN114434344A (en) * | 2022-01-12 | 2022-05-06 | 武汉大学 | High-pressure abrasive water jet steel rail grinding abrasive separation and cyclic utilization system |
| CN114434344B (en) * | 2022-01-12 | 2022-12-09 | 武汉大学 | High-pressure abrasive water jet steel rail grinding abrasive separation and cyclic utilization system |
| CN115179197A (en) * | 2022-06-28 | 2022-10-14 | 中国石油大学(华东) | Front mixing type abrasive jet reaction kettle surface cleaning device and using method |
| CN115179197B (en) * | 2022-06-28 | 2023-05-09 | 中国石油大学(华东) | Front mixing type abrasive jet flow reaction kettle surface cleaning device and use method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020237804A1 (en) | 2020-12-03 |
| CN110370172B (en) | 2020-10-30 |
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