CN110524437A - The injection apparatus of mixing chamber before a kind of liquid is solid - Google Patents
The injection apparatus of mixing chamber before a kind of liquid is solid Download PDFInfo
- Publication number
- CN110524437A CN110524437A CN201910935720.XA CN201910935720A CN110524437A CN 110524437 A CN110524437 A CN 110524437A CN 201910935720 A CN201910935720 A CN 201910935720A CN 110524437 A CN110524437 A CN 110524437A
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- spool
- channel
- upper cover
- threaded connection
- connection hole
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- 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
- B24C7/0015—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 with control of feed parameters, e.g. feed rate of abrasive material or carrier
- B24C7/0023—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 with control of feed parameters, e.g. feed rate of abrasive material or carrier of feed pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
The present invention relates to a kind of injection apparatus of liquid mixing chamber before solid, it includes cylinder body, upper cover and lower cover, cylinder body is provided centrally with mixing chamber, upper cap upper surface is provided centrally with threaded connection hole A, upper cover below threaded connection hole A is connected with upper cover chamber, the position of the intracavitary close bottom end of upper cover is provided with spool guide sleeve, the spool for being provided with T-type structure slided in spool guide sleeve, the upper side for covering upper cover chamber is provided with channel A, threaded connection hole B is connected with above upper cover upper channel A, threaded connection hole C is provided on the side wall of cylinder body, the inner end of threaded connection hole C is connected with channel B, lower cover is provided centrally with channel C, the top of channel C is connected with wear-resisting seat, threaded connection hole D is provided on the side wall of lower cover, the inner end of threaded connection hole D is connected by connecting hole B with the side wall of channel C, lower cover The end of upper channel C is connected with nozzle；It is integrated with fluidic vectoring thrust that accurately controlling for water-bindered pill mixing may be implemented in the present invention.
Description
Technical field
A kind of material surface technical field of modification of the present invention, and in particular to the injection apparatus of mixing chamber before liquid is solid.
Background technique
It is mechanical during one's term of military service, the fatigue life of key components and parts directly affects mechanical service life, and fatigue failure is
The principal mode of key components and parts failure, the common method for improving key components and parts fatigue life mainly have shot-peening, extruding, rolling
Pressure, the surface layers method of modifying such as jet strengthened, as a result, components surface layer introduce residual compressive stress, change microscopic structure layer,
Rigidity layer, to improve fatigue life.
It is jet strengthened to strengthen comprising pure water jets reinforcing, abradant jet；It includes rear compound abrasive jet stream that abradant jet, which is strengthened,
Strengthen and the Premixed Abrasive Water Jet is strengthened, compared with pure water jets are strengthened, rear compound abrasive is jet strengthened, the Premixed Abrasive Water Jet
Strengthen have jet pressure is low, capacity usage ratio is high, controllability is good, it is more and more concerned.
Currently, the switch control of water in preceding mixing water jet system, the switch control of pellet are separated from each other, and lead to the water-bindered pill
Between mixed proportion control can not accurately realize, cause the pellet on jet area to be unevenly distributed, it is modified to influence surface layer
Effect；In addition, water and the mixed liquid of pellet, will form jet stream by Pipeline transport to spray head, pipeline inner wall is in mixed liquor
Under the erosion of body, it can wear rapidly and to shut down replacement, influence the normal use of jet apparatus；Therefore, it is necessary to design
A kind of novel injection apparatus, to realize that accurately controlling for water-bindered pill mixing is integrated with fluidic vectoring thrust.
Summary of the invention
The purpose of the invention is to overcome the deficiencies in the prior art, and the water-bindered pill can precisely be adjusted by providing one kind
Mixed proportion and the injection apparatus for realizing the solid preceding mixing chamber of the integrated liquid of mixing jetting.
Purpose of the present invention implementation is as follows: the injection apparatus of mixing chamber before a kind of liquid is solid, it include cylinder body, upper cover and
Lower cover, the cylinder body are provided centrally with mixing chamber, and the upper cap upper surface is provided centrally with threaded connection hole A, institute
Upper cover below threaded connection hole A stated is connected with upper cover chamber, and the position of the intracavitary close bottom end of the upper cover is provided with valve
Core guide sleeve, the interior spool for being provided with T-type structure slided of the spool guide sleeve, the top of the intracavitary spool of the upper cover
It is provided with adjustment sheet, seals and is slidably connected between the top of the spool and the side wall of upper cover chamber, the intracavitary valve of the upper cover
It is provided with air cavity on the outside of spool between the top and spool guide sleeve of core, on the side of the upper cover position corresponding to air cavity
It installs and is equipped with gas vent, the upper side for covering upper cover chamber is provided with channel A, connects above the upper cover upper channel A
It is connected to threaded connection hole B, threaded connection hole C is provided on the side wall of the cylinder body, the inner end of the threaded connection hole C connects
It is connected to channel B, is connected with damping block between the threaded connection hole C and channel B, the lower cover is provided centrally with channel
C, the top of the channel C are connected with wear-resisting seat, and the wear-resisting seat is corresponding with the lower end of spool, the channel C
It is provided with the connecting hole A being connected to the end of channel B on side wall, is provided with threaded connection hole D, institute on the side wall of the lower cover
The inner end of the threaded connection hole D stated is connected by connecting hole B with the side wall of channel C, and the end of the lower cover upper channel C connects
It is connected to nozzle.
It is connected through a screw thread between the upper cover and cylinder body.
It is detachably connected between the lower cover and cylinder body by screw.
It is clearance fit between the nozzle and lower cover, and the nozzle is fixed in lower cover by nozzle nut.
It is attached between the wear-resisting seat and lower cover by screw thread.
Between the spool guide sleeve and upper cover chamber be clearance fit, and between the spool guide sleeve and upper cover by
Circlip for hole is fixed.
Yx type sealing ring is provided between the spool guide sleeve and spool.
It is all provided between the upper cover and lower cover and cylinder body, between lower cover and nozzle, between the top of spool and upper cover chamber
It is equipped with O-ring seal.
Beneficial effect of the invention: in the use of the present invention, threaded connection hole C connects High Pressure Pure Water, threaded connection hole B is connect
Abrasive flows (mixing of water+and pellet), threaded connection hole A connects control water, and threaded connection hole D connects pressure sensor；
Original state, threaded connection hole A are connected to high pressure water, into upper cover chamber, act on spool, spool is made to be displaced downwardly to spool
It is formed and is sealed with wear-resisting seat, be now in spool closed state, the atmosphere in spool folding process in air cavity is by 26 gas vents
Discharge, during this, threaded connection hole C, threaded connection hole B disconnect；
Working condition, threaded connection hole A take back water tank, and threaded connection hole B connects high-pressure abrasive material stream, and abrasive material flows into mixing chamber
Afterwards, it acts on spool, makes spool by upward power, spool moves up, and valve core opening size is controlled by adjustment sheet, adjusts when removing
When nodal plate, valve core opening is maximum, and adjusting chip size is optional, to meet the requirement of different sizes of experimentation split shed, in spool
During moving up, by exhaust gas inlet hole in air cavity, hole of the abrasive flows through wear-resisting seat from spool lower ending opening enters in channel C,
Threaded connection hole C connects high pressure water, and hole, channel B through damping block enter in channel C, drives abrasive flows to further speed up, after acceleration
Abrasive material flow through injection stream into atmosphere, beat to material surface, form material surface is modified, and the effect of damping block is to make abrasive material
The pressure that stream enters mixing chamber is higher than the pressure of High Pressure Pure Water, avoids flowing backwards；
Pressure sensor can the variation of real-time monitoring outlet pressure, while when spray nozzle clogging, the variation of pressure sensor can be instructed
Operator takes measures, and avoids mechanical disorder；
After the completion of work, original state is repeated；
It is integrated with fluidic vectoring thrust that accurately controlling for water-bindered pill mixing may be implemented through the invention.
Detailed description of the invention
Structural schematic diagram when Fig. 1 is the injection apparatus progress mechanical test of mixing chamber before a kind of liquid of the present invention is solid.
In figure: 1, nozzle 2, nozzle nut 3, screw 4, lower cover 5, connecting hole A 6, channel B 7, cylinder body 8, damping
Block 9, threaded connection hole C 10, mixing chamber 11, circlip for hole 12, O-ring seal 13, channel A 14, upper cover 15,
Threaded connection hole B 16, spool guide sleeve 17, threaded connection hole A 18, upper cover chamber 19, adjustment sheet 20, gas vent 21, gas
Chamber 22, spool 23, Yx type sealing ring 24, wear-resisting seat 25, threaded connection hole D 26, connecting hole B 27, channel C.
Specific embodiment
Following further describes the present invention with reference to the drawings.
Embodiment 1
As shown in Figure 1, a kind of injection apparatus of the solid preceding mixing chamber of liquid, it includes cylinder body 7, upper cover 14 and lower cover 4, the cylinder body
7 are provided centrally with mixing chamber 10, and 14 upper surface of upper cover is provided centrally with threaded connection hole A17, the upper cover
Upper cover chamber 18 is connected on 14 below threaded connection hole A17, the position of close bottom end is provided with valve in the upper cover chamber 18
Core guide sleeve 16, the interior spool 22 for being provided with T-type structure slided of the spool guide sleeve 16,18 internal valve of upper cover chamber
The top of core 22 is provided with adjustment sheet 19, seals and is slidably connected between the top of the spool 22 and the side wall of upper cover chamber 18,
The outside of spool 22 is provided with air cavity 21 between the top and spool guide sleeve 16 of 18 inner spool 22 of upper cover chamber, described
Position corresponding to air cavity 21 is provided with gas vent 20 on the side of upper cover 14, and the side of upper cover chamber 18 is set in the upper cover 14
It is equipped with channel A13, is connected with threaded connection hole B15, the side wall of the cylinder body 7 above the 14 upper channel A13 of upper cover
On be provided with threaded connection hole C9, the inner end of the threaded connection hole C9 is connected with channel B6, the threaded connection hole C9
Damping block 8 is connected between the B6 of channel, the lower cover 4 is provided centrally with channel C 27, the top of the channel C 27
It is connected with wear-resisting seat 24, the wear-resisting seat 24 is corresponding with the lower end of spool 22, is provided on the side wall of the channel C 27
The connecting hole A5 being connected to the end of channel B6 is provided with threaded connection hole D25, the spiral shell on the side wall of the lower cover 4
The inner end of line connecting hole D25 is connected by connecting hole B26 with the side wall of channel C 26, the end of the 4 upper channel C26 of lower cover
End is connected with nozzle 1.
During the work time, threaded connection hole C connects High Pressure Pure Water to the present invention, and threaded connection hole B connects abrasive flows (water+and ball
The mixing of grain), threaded connection hole A connects control water, and threaded connection hole D connects pressure sensor；Its course of work is as follows:
Original state, threaded connection hole A are connected to high pressure water, into upper cover chamber, act on spool, spool is made to be displaced downwardly to spool
It is formed and is sealed with wear-resisting seat, be now in spool closed state, the atmosphere in spool folding process in air cavity is by 26 gas vents
Discharge, during this, threaded connection hole C, threaded connection hole B disconnect；
Working condition, threaded connection hole A take back water tank, and threaded connection hole B connects high-pressure abrasive material stream, and abrasive material flows into mixing chamber
Afterwards, it acts on spool, makes spool by upward power, spool moves up, and valve core opening size is controlled by adjustment sheet, adjusts when removing
When nodal plate, valve core opening is maximum, and adjusting chip size is optional, to meet the requirement of different sizes of experimentation split shed, in spool
During moving up, by exhaust gas inlet hole in air cavity, hole of the abrasive flows through wear-resisting seat from spool lower ending opening enters in channel C,
Threaded connection hole C connects high pressure water, and hole, channel B through damping block enter in channel C, drives abrasive flows to further speed up, after acceleration
Abrasive material flow through injection stream into atmosphere, beat to material surface, form material surface is modified, and the effect of damping block is to make abrasive material
The pressure that stream enters mixing chamber is higher than the pressure of High Pressure Pure Water, avoids flowing backwards；
Pressure sensor can the variation of real-time monitoring outlet pressure, while when spray nozzle clogging, the variation of pressure sensor can be instructed
Operator takes measures, and avoids mechanical disorder；
After the completion of work, original state is repeated；
It is integrated with fluidic vectoring thrust that accurately controlling for water-bindered pill mixing may be implemented through the invention.
Embodiment 2
As shown in Figure 1, a kind of injection apparatus of the solid preceding mixing chamber of liquid, it includes cylinder body 7, upper cover 14 and lower cover 4, the cylinder body
7 are provided centrally with mixing chamber 10, and 14 upper surface of upper cover is provided centrally with threaded connection hole A17, the upper cover
Upper cover chamber 18 is connected on 14 below threaded connection hole A17, the position of close bottom end is provided with valve in the upper cover chamber 18
Core guide sleeve 16, the interior spool 22 for being provided with T-type structure slided of the spool guide sleeve 16,18 internal valve of upper cover chamber
The top of core 22 is provided with adjustment sheet 19, seals and is slidably connected between the top of the spool 22 and the side wall of upper cover chamber 18,
The outside of spool 22 is provided with air cavity 21 between the top and spool guide sleeve 16 of 18 inner spool 22 of upper cover chamber, described
Position corresponding to air cavity 21 is provided with gas vent 20 on the side of upper cover 14, and the side of upper cover chamber 18 is set in the upper cover 14
It is equipped with channel A13, is connected with threaded connection hole B15, the side wall of the cylinder body 7 above the 14 upper channel A13 of upper cover
On be provided with threaded connection hole C9, the inner end of the threaded connection hole C9 is connected with channel B6, the threaded connection hole C9
Damping block 8 is connected between the B6 of channel, the lower cover 4 is provided centrally with channel C 27, the top of the channel C 27
It is connected with wear-resisting seat 24, the wear-resisting seat 24 is corresponding with the lower end of spool 22, is provided on the side wall of the channel C 27
The connecting hole A5 being connected to the end of channel B6 is provided with threaded connection hole D25, the spiral shell on the side wall of the lower cover 4
The inner end of line connecting hole D25 is connected by connecting hole B26 with the side wall of channel C 26, the end of the 4 upper channel C26 of lower cover
End is connected with nozzle 1；It is connected through a screw thread between the upper cover 14 and cylinder body 7；Pass through between the lower cover 4 and cylinder body 7
Screw 3 is detachably connected to；It is clearance fit between the nozzle 1 and lower cover 4, and the nozzle 1 is by nozzle spiral shell
Mother 2 is fixed in lower cover 4；It is attached between the wear-resisting seat 24 and lower cover 1 by screw thread；The spool guide sleeve 16
It is clearance fit between upper cover chamber 18, and is carried out between the spool guide sleeve 16 and upper cover 14 by circlip for hole 11
It is fixed；Yx type sealing ring 23 is provided between the spool guide sleeve 16 and spool 22；The upper cover 14 and lower cover 4 and cylinder
O-ring seal 12 is provided between body 7, between lower cover 4 and nozzle 1, between the top of spool 22 and upper cover chamber 18.
During the work time, threaded connection hole C connects High Pressure Pure Water to the present invention, and threaded connection hole B connects abrasive flows (water+and ball
The mixing of grain), threaded connection hole A connects control water, and threaded connection hole D connects pressure sensor；Its course of work is as follows:
Original state, threaded connection hole A are connected to high pressure water, into upper cover chamber, act on spool, spool is made to be displaced downwardly to spool
It is formed and is sealed with wear-resisting seat, be now in spool closed state, the atmosphere in spool folding process in air cavity is by 26 gas vents
Discharge, during this, threaded connection hole C, threaded connection hole B disconnect；
Working condition, threaded connection hole A take back water tank, and threaded connection hole B connects high-pressure abrasive material stream, and abrasive material flows into mixing chamber
Afterwards, it acts on spool, makes spool by upward power, spool moves up, and valve core opening size is controlled by adjustment sheet, adjusts when removing
When nodal plate, valve core opening is maximum, and adjusting chip size is optional, to meet the requirement of different sizes of experimentation split shed, in spool
During moving up, by exhaust gas inlet hole in air cavity, hole of the abrasive flows through wear-resisting seat from spool lower ending opening enters in channel C,
Threaded connection hole C connects high pressure water, and hole, channel B through damping block enter in channel C, drives abrasive flows to further speed up, after acceleration
Abrasive material flow through injection stream into atmosphere, beat to material surface, form material surface is modified, and the effect of damping block is to make abrasive material
The pressure that stream enters mixing chamber is higher than the pressure of High Pressure Pure Water, avoids flowing backwards；
Pressure sensor can the variation of real-time monitoring outlet pressure, while when spray nozzle clogging, the variation of pressure sensor can be instructed
Operator takes measures, and avoids mechanical disorder；
After the completion of work, original state is repeated；
It is integrated with fluidic vectoring thrust that accurately controlling for water-bindered pill mixing may be implemented through the invention；And in the present invention, lower cover with
It is detachably connected between cylinder body by screw, after lower cover generates inner cavity abrasion using a period of time, connection can be backed out
Screw, integral replacing lower cover；It is connected through a screw thread, is convenient for changing between wear-resisting seat and lower cover；Spool guide sleeve and upper cover gap
Cooperation, and fixed by circlip, it avoids gliding；Spool and upper cover, spool guide sleeve clearance fit, are moved easily；It is all close
The effect of seal is that high pressure water is avoided to leak；In the present invention, damping block, nozzle, the size of adjustment sheet are alterable, to meet
Experiment and requirement；Valve core opening size can be changed in the variation of adjustment sheet, and then changes the abrasive flows rate of outflow；Damping block
Change changeable damping hole size, changes the pressure size and high-pressure water jet speed in channel C；The variation of nozzle can change
Variable orifice diameter, length change abrasive flows flow regime.
Claims (8)
- The injection apparatus of mixing chamber before 1. a kind of liquid is solid, it includes cylinder body, upper cover and lower cover, it is characterised in that: the cylinder body Be provided centrally with mixing chamber, the upper cap upper surface is provided centrally with threaded connection hole A, described upper to cover screw thread company It connects and is connected with upper cover chamber below the A of hole, the position of the intracavitary close bottom end of the upper cover is provided with spool guide sleeve, the valve The spool for being provided with T-type structure slided in core guide sleeve is provided with adjustment sheet above the intracavitary spool of the upper cover, described The top of spool and the side wall of upper cover chamber between seal and be slidably connected, the top of the intracavitary spool of the upper cover and spool are oriented to Air cavity is provided between set on the outside of spool, position corresponding to air cavity is provided with gas vent on the side of the upper cover, institute The upper side for covering upper cover chamber stated is provided with channel A, is connected with threaded connection hole B, institute above the upper cover upper channel A Threaded connection hole C is provided on the side wall for the cylinder body stated, the inner end of the threaded connection hole C is connected with channel B, the spiral shell Damping block is connected between line connecting hole C and channel B, the lower cover is provided centrally with channel C, the top of the channel C End is connected with wear-resisting seat, and the wear-resisting seat is corresponding with the lower end of spool, is provided on the side wall of the channel C and channel The connecting hole A of the end connection of B, is provided with threaded connection hole D on the side wall of the lower cover, the threaded connection hole D's Inner end is connected by connecting hole B with the side wall of channel C, and the end of the lower cover upper channel C is connected with nozzle.
- The injection apparatus of mixing chamber before 2. a kind of liquid according to claim 1 is solid, it is characterised in that: the upper cover with It is connected through a screw thread between cylinder body.
- The injection apparatus of mixing chamber before 3. a kind of liquid according to claim 1 is solid, it is characterised in that: the lower cover with It is detachably connected between cylinder body by screw.
- The injection apparatus of mixing chamber before 4. a kind of liquid according to claim 1 is solid, it is characterised in that: the nozzle with It is clearance fit between lower cover, and the nozzle is fixed in lower cover by nozzle nut.
- The injection apparatus of mixing chamber before 5. a kind of liquid according to claim 1 is solid, it is characterised in that: the wear-resisting seat It is attached between lower cover by screw thread.
- The injection apparatus of mixing chamber before 6. a kind of liquid according to claim 1 is solid, it is characterised in that: the spool is led It is clearance fit to covering between upper cover chamber, and is consolidated between the spool guide sleeve and upper cover by circlip for hole It is fixed.
- The injection apparatus of mixing chamber before 7. a kind of liquid according to claim 1 is solid, it is characterised in that: the spool is led To being provided with Yx type sealing ring between set and spool.
- The injection apparatus of mixing chamber before 8. a kind of liquid according to claim 1 is solid, it is characterised in that: the upper cover and O-ring seal is provided between lower cover and cylinder body, between lower cover and nozzle, between the top of spool and upper cover chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910935720.XA CN110524437B (en) | 2019-09-29 | 2019-09-29 | Injection device of liquid-solid premixing cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910935720.XA CN110524437B (en) | 2019-09-29 | 2019-09-29 | Injection device of liquid-solid premixing cavity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110524437A true CN110524437A (en) | 2019-12-03 |
| CN110524437B CN110524437B (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910935720.XA Active CN110524437B (en) | 2019-09-29 | 2019-09-29 | Injection device of liquid-solid premixing cavity |
Country Status (1)
| Country | Link |
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| CN (1) | CN110524437B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987699A (en) * | 2019-12-04 | 2020-04-10 | 郑州大学 | Booster cylinder type liquid-solid mixed jet flow experimental device |
| CN113386052A (en) * | 2021-05-12 | 2021-09-14 | 华南理工大学 | Hull abrasive water jet paint and rust removing equipment and implementation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4431085C1 (en) * | 1994-09-01 | 1996-04-04 | Uhde Gmbh | Abrasive water jet cutting process |
| WO1997007378A2 (en) * | 1995-08-16 | 1997-02-27 | Elblast Ltd. | Abrasive blasting head |
| JP2903249B2 (en) * | 1990-01-10 | 1999-06-07 | ティー シー アメリカン モノレール インコーポレイテッド | Cutting head for water jet type cutting equipment |
| CN2664787Y (en) * | 2003-10-30 | 2004-12-22 | 中国国际海运集装箱(集团)股份有限公司 | Self-cleaning high pressure mixing head |
| CN106112824A (en) * | 2016-08-18 | 2016-11-16 | 平安煤炭开采工程技术研究院有限责任公司 | Clean device and purging system |
| CN106670008A (en) * | 2017-02-08 | 2017-05-17 | 秦皇岛首创思泰意达环保科技有限公司 | Double-fluid atomizing nozzle automatic control method and device |
-
2019
- 2019-09-29 CN CN201910935720.XA patent/CN110524437B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2903249B2 (en) * | 1990-01-10 | 1999-06-07 | ティー シー アメリカン モノレール インコーポレイテッド | Cutting head for water jet type cutting equipment |
| DE4431085C1 (en) * | 1994-09-01 | 1996-04-04 | Uhde Gmbh | Abrasive water jet cutting process |
| WO1997007378A2 (en) * | 1995-08-16 | 1997-02-27 | Elblast Ltd. | Abrasive blasting head |
| CN2664787Y (en) * | 2003-10-30 | 2004-12-22 | 中国国际海运集装箱(集团)股份有限公司 | Self-cleaning high pressure mixing head |
| CN106112824A (en) * | 2016-08-18 | 2016-11-16 | 平安煤炭开采工程技术研究院有限责任公司 | Clean device and purging system |
| CN106670008A (en) * | 2017-02-08 | 2017-05-17 | 秦皇岛首创思泰意达环保科技有限公司 | Double-fluid atomizing nozzle automatic control method and device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987699A (en) * | 2019-12-04 | 2020-04-10 | 郑州大学 | Booster cylinder type liquid-solid mixed jet flow experimental device |
| CN113386052A (en) * | 2021-05-12 | 2021-09-14 | 华南理工大学 | Hull abrasive water jet paint and rust removing equipment and implementation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110524437B (en) | 2021-02-26 |
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