CN207841091U - A kind of front mixing abrasive gas jet continuous feeding system - Google Patents
A kind of front mixing abrasive gas jet continuous feeding system Download PDFInfo
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- CN207841091U CN207841091U CN201721571924.2U CN201721571924U CN207841091U CN 207841091 U CN207841091 U CN 207841091U CN 201721571924 U CN201721571924 U CN 201721571924U CN 207841091 U CN207841091 U CN 207841091U
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Abstract
A kind of front mixing abrasive gas jet continuous feeding system, the system comprises air compressor machine, gas cylinder, abrasive can and nozzles；Abrasive can is internally provided with control valve, is the charging layer in storage tank above control valve, is the storing layer in storage tank below control valve；The top of abrasive can is equipped with the enterprising gas port and feed inlet being connected to charging layer, and abrasive can is equipped with the relief valve being connected to charging layer；The bottom end of abrasive can is equipped with the lower air inlet and discharge port being connected to storing layer；The gas outlet of air compressor machine and the air inlet of gas cylinder connect；The gas outlet of gas cylinder is connect with the enterprising gas port of abrasive can and lower air inlet respectively；Meanwhile the gas outlet of gas cylinder connects jet stream pipeline, the discharge port of abrasive can is connect with jet stream pipeline；Nozzle is located at jet stream pipe end.System described in the utility model ensure that the continuity of abradant jet, expand the scope of application of abradant jet, and significant to the popularization of abradant jet practical application.
Description
Technical field
The utility model belongs to abrasive material gas fluidics field more particularly to a kind of front mixing abrasive gas jet
Continuous feeding system.
Background technology
Front mixing abrasive gas jet is directly solid abrasive particle to be mixed into high pressure gas to accelerate, and then utilize solid
The impact kinetic energy of body particle realizes a new technology of industry cutting, probing exploitation.
The technology is easy to operation, easily controllable, has erosion, cutting compared to the function and effect of water and rear hybrid jet stream
The characteristics of depth is big, efficient low energy, but influenced by abrasive material addition manner, the popularization and application of front mixing jet stream are constantly subjected to limit
System.
Currently, the whole system of common pneumatic sand blasting technology is in high pressure closed state, when continuing sand to feeding system,
Switch is must shut off, jet stream operation is stopped.
Discontinuously, intermittent jet stream job state, can seriously affect capacity usage ratio and working efficiency.
Document《The Premixed Abrasive Water Jet new type of continuous adds the design of sand system and experiment》,（Author：Zuo Weiqin, Liu Yong etc.）
A kind of using two silos alternations, continuous plus sand when realizing long lasting for flow jet work is proposed in.
This method has effectively saved operating cost, improves the efficiency of entire jet stream operation, but the technology is actually being answered
Following deficiency is still had in：
（1）Operation step can be caused complicated when containing two or more sets feeding devices in abrasive jet system, safety
Property reduce.Wherein, when charge pump is uneven with jet pump middle outlet pressure controlling, it may appear that abrasive material is insufficient or reflux is existing
As.
（2）When feed section works alternatively, it may appear that it is uneven into sand amount in fluidic system, reduce the essence of jet stream operation
Degree, causes operation to fail when serious.
Utility model content
The utility model is intended to provide a kind of front mixing abrasive gas jet continuous feeding system that using effect is good.
In order to solve the above technical problems, the utility model provides the following technical solution：A kind of front mixing abrasive gas
Body jet stream continuous feeding system, including air compressor machine, gas cylinder, abrasive can and nozzle；The tank skin of abrasive can selects tempered glass materials,
Convenient for observing amount of abrasive；Abrasive can is internally provided with control valve, the charging layer being set in above control valve in storage tank, control valve
Lower section is set in the storing layer in storage tank；The top of abrasive can is equipped with the enterprising gas port and feed inlet being connected to charging layer, mill
Batch can is equipped with the relief valve being connected to charging layer；The bottom end of abrasive can is equipped with the lower air inlet being connected to storing layer and discharging
Mouthful；The gas outlet of air compressor machine and the air inlet of gas cylinder connect；The gas outlet of gas cylinder respectively with the enterprising gas port of abrasive can and under into
Gas port connects；Meanwhile the gas outlet of gas cylinder connects jet stream pipeline, the discharge port of abrasive can is connect with jet stream pipeline；Nozzle is located at
Jet stream pipe end.
Control valve includes that flexible steel ring, elastic fluid body and horizontally disposed rubber hemispherical, flexible steel ring are fixedly arranged on abrasive material
On top tank structure；Elastic fluid body upper end is connect with flexible steel ring, and elastic fluid body lower end is connect with rubber hemispherical.
Abrasive material top tank structure is equipped with groove, and flexible steel ring is connected in groove；The junction of flexible steel ring and groove is equipped with
Polyurethane sealant.
Compound rubber hemisphere is equipped with the guide groove being vertically arranged below flexible steel ring.
The gas outlet of air compressor machine is connected with the air inlet of gas cylinder by appendix, and appendix is equipped with pressure gauge；Gas cylinder
Air inlet and gas outlet are equipped with pneumatic operated valve；The discharge port of abrasive can is equipped with abrasive material valve.
The internal diameter of nozzle is first gradually reduced rear gradually increase along abrasive material gas current method.
The quantity of gas cylinder is 3, and the air inlet of 3 gas cylinders is connect with the gas outlet of air compressor machine, the gas outlet of 3 gas cylinders
It is connected on airflow line after being connected, airflow line connects enterprising gas port, lower air inlet and the jet stream pipeline of abrasive can.
A kind of front mixing abrasive gas jet continuous feeding method carried out using above system, the method are wrapped successively
Include following steps：
（1）Abrasive material is added into the storing layer of abrasive can, amount of abrasive is no more than 2/3rds of storing layer volume, beats simultaneously
The valve of the air inlet of gas cylinder is opened, starts air compressor machine and pressurizes to gas cylinder；Air compressor machine is closed when the pressure for reaching job requirements；
（2）The pneumatic pressure-release valve of the lower air inlet of abrasive can is adjusted, ensures that storing stressor layer is more than charging stressor layer, control
Valve is closed；The valve for opening the gas outlet of abrasive material valve, gas cylinder, after steady air current, you can carry out abrasive material gas jet operation；
（3）During abrasive material gas jet operation, when the amount of abrasive deficiency in storing layer, need into storing layer
Abrasive material is added, Adding Way is：First, feed inlet and relief valve are closed；Secondly, the pneumatic pressure-release valve for adjusting enterprising gas port goes out
Mouth pressure value, makes control valve open, and storing layer is connected to beginning with charging layer and feeds to storing layer, finally, when storing layer amount of abrasive
When reaching requirement, the pneumatic pressure-release valve exit pressure levels that enterprising gas port is arranged open Pneumatic decompression valve outlet pressure less than lower air inlet
Force value so that control valve is closed.
（4）Abradant jet operation is completed：After the completion of abradant jet, instrument cleaning is carried out；Method is：The first step is adjusted
The pneumatic pressure-release valve and abrasive material valve of enterprising gas port and lower air inlet ensure that control valve is in the open state, are discharged in abrasive can
Remaining abrasive material；Second step opens the operated pneumatic valve of gas cylinder gas outlet, waits for not containing abrasive material in the high-velocity fluid sprayed through nozzle
When, close the pneumatic pressure-release valve and abrasive material valve of abrasive can；Third walks, and the air in drained pipeline closes all pneumatic operated valves successively
Door.
When work, need the amount of abrasive for paying attention to feeding layer constantly whether sufficient, if not, high pressure draught is through lower air inlet
Mouth enters storing layer, and control valve is closed；At this point, the relief valve of charging layer is opened, outside the pressure and storage tank inside the bed of material to be added
When the pressure balance in portion, by feed inlet to charging layer charging.
Ensure that system maximum pressure is no more than 30MPa in the course of work.
By above technical scheme, the beneficial effects of the utility model are：
Device described in the utility model realizes the continuous feeding that front mixing abrasive jet stream works long hours, and avoids
The reflux again of high pressure gas in abrasive can；By the way that control valve is arranged in abrasive can, abrasive can is divided into charging layer and storing
Layer realizes the supply of charging layer and storing layer abrasive material in the case where controlling valve action；It is all provided in the enterprising gas port of abrasive can and lower air inlet
Pneumatic pressure-release valve is set, the air pressure difference ranging from -5MPa -5MPa of upper and lower layer in abrasive can are accurately controlled, ensures abrasive can
Interior high pressure gas is mixed with abrasive particle, and smoothly flows into jet stream pipeline through abrasive can discharge port, is formed high-pressure abrasive material gas and is penetrated
Stream.
Description of the drawings
Fig. 1 is system structure diagram described in the utility model；
Fig. 2 is abrasive can structural schematic diagram.
Specific implementation mode
A kind of front mixing abrasive gas jet continuous feeding system, as depicted in figs. 1 and 2, including air compressor machine 1, gas cylinder
4, abrasive can 6 and nozzle 8.
The gas outlet of air compressor machine 1 is connect with the air inlet of gas cylinder 4, and the air inlet of gas cylinder 4 and gas outlet are equipped with pneumatic operated valve
3, to control air-flow.In the present embodiment, the quantity of gas cylinder 4 shares 3, and 3 gas cylinders 4 are connected in parallel.Air compressor machine 1
Gas outlet connecting gas transmission pipe, appendix are equipped with pressure gauge 2.Gas transmission tube end connects the air inlet of 3 gas cylinders 4, passes through setting 3
The buffering of pressure and the independent assortment of barometric gradient may be implemented in a gas cylinder 4.
The gas outlets of 3 gas cylinders 4 is connected to after being connected on airflow line 21, and 21 end of airflow line is divided into 3 tunnels, all the way with
The enterprising gas port 9 of abrasive can 6 connects；In addition it is connect all the way with the lower air inlet 19 of abrasive can 6；It is remaining to connect jet pipe all the way
Road 22 provides power for abradant jet.The discharge port 20 of abrasive can 6 is also connect with jet stream pipeline 22, to which abrasive material can enter
Into jet stream pipeline 22, under high pressure gas effect, high-pressure abrasive material air-flow is formed.
Nozzle 8 is located at 22 end of jet stream pipeline, and the internal diameter of nozzle 8 is first gradually reduced afterwards gradually along abrasive material gas current method
Increase, to accelerate to entering high-pressure abrasive material air-flow therein.The high-pressure abrasive material air-flow for entering jet stream pipeline 22 is logical
The ejection of nozzle 8 is crossed, working face is sprayed to.
Abrasive can 6 is internally provided with control valve 13, and 13 top of control valve is the charging layer 11 in storage tank, control valve
13 lower sections are the storing layer 18 in storage tank；The top of abrasive can 6 be equipped with the enterprising gas port 9 that is connected to of charging layer 11 and into
Material mouth 10, abrasive can 6 are equipped with the relief valve 12 being connected to charging layer 11；The bottom end of abrasive can 6 is equipped with and is connected to storing layer 18
Lower air inlet 19 and discharge port 20, the discharge port 20 of abrasive can 6 be equipped with abrasive material valve 7, abrasive material may be implemented by abrasive material valve 7
Whether from abrasive can 6 out control.
Wherein, control valve 13 includes flexible steel ring 14, elastic fluid body 16 and horizontally disposed rubber hemispherical 17, rubber half
Ball 17 coordinates flexible steel ring 14 to be arranged.6 inner wall of abrasive can is equipped with groove, and flexible steel ring 14 is connected in groove；Flexible steel ring
14 and groove junction be equipped with polyurethane sealant 15, to ensure the close connection of 6 inner wall of flexible steel ring 14 and abrasive can.
16 upper end of elastic fluid body is connect with flexible steel ring 14, and 16 lower end of elastic fluid body is connect with rubber hemispherical 17.In storing layer 18
Under charging about 11 differential pressure action of layer, elastic fluid can elongate or shorten, to which rubber hemispherical 17 is located at flexible steel ring 14
It is interior, or from flexible steel ring 14 out, and then realize being turned on and off for control valve 13.
In order to ensure the motion track of rubber hemispherical 17, compound rubber hemisphere 17 is equipped with and sets vertically below flexible steel ring 14
The guide groove 161 set, after ensureing that elastic fluid body 16 resets, rubber hemispherical 17 can be stuck in flexible steel ring 14.
It when work, is opened by control valve 13, the abrasive material to feed in layer 11 can enter storing layer 18；Work as charging
In layer 11 when abrasive material deficiency, it can be added into charging layer 11 in the case where not influencing storing layer 18 and working with closing control valve 13
Material realizes continuous feeding.
Abrasive material is packed into abrasive can 6, and the gas outlet of gas cylinder 4 is parallel to the upper and lower air inlet 19 and discharge port of abrasive can 6
20, after the high pressure gas of upper and lower air inlet 19 into abrasive can 6 is mixed with abrasive material, enters where nozzle 8 from discharge port 20 and penetrate
Flow tube road 22, after through nozzle 8 spray, formed high-pressure abrasive material gas jet.
In the present embodiment, continuous feeding is realized by abrasive can 6 and pneumatic pressure-release valve 5 in jet stream operation process.Pneumatically subtract
Pressure valve 5 is used to ensure in abrasive can 6 that abrasive material smoothly to flow into jet stream pipeline 22 and provides the initial driving force of continuous feeding.By
Control valve 13 is set in abrasive can 6, when abrasive material abundance in storing layer 18,5 export value of pneumatic pressure-release valve for adjusting enterprising gas port 9 is
Zero, control valve 13 can be automatically closed under two layers differential pressure action of the charging layer 11 with storing layer 18.At this point, relief valve 12 is opened,
When the bed of material 11 to be added is balanced with ambient pressure, abrasive material is added into charging layer 11.
When storing layer 18 need to supplement abrasive material, it can make to add by the pneumatic pressure-release valve 5 of adjusting 6 upper and lower air inlet 19 of abrasive can
11 atmospheric pressure value of the bed of material is more than the atmospheric pressure value of storing layer 18, and control valve 13 is in open state, abrasive particle in its own gravity and
Pressure difference acts on, and flows into storing layer 18, solves to exist during existing front mixing abrasive jet stream is worked continuously for a long time
The problem of, the apparatus structure is simple, easy to operate, and easy care is with a wide range of applications.
Device described in the utility model realizes the continuous feeding that front mixing abrasive jet stream works long hours, and avoids
The reflux again of high pressure gas in abrasive can 6；By the way that control valve 13 is arranged in abrasive can 6, abrasive can 6 is divided for the layer 11 that feeds
With storing layer 18, the supply of charging layer 11 and 18 abrasive material of storing layer is realized under the effect of control valve 13；In 6 enterprising gas port of abrasive can
9 and lower air inlet 19 be respectively provided with pneumatic pressure-release valve 5, accurately control the air pressure difference of upper and lower layer in abrasive can 6 ranging from-
5MPa -5MPa ensures that high pressure gas is mixed with abrasive particle in abrasive can 6, and smoothly flows into and penetrate through 6 discharge port 20 of abrasive can
Flow tube road 22 forms high-pressure abrasive material gas jet.
A kind of front mixing abrasive gas jet continuous feeding method carried out using above system, the method are wrapped successively
Include following steps：
（1）Abrasive material is added into the storing layer of abrasive can, amount of abrasive is no more than 2/3rds of storing layer volume, beats simultaneously
The valve of the air inlet of gas cylinder is opened, starts air compressor machine and pressurizes to gas cylinder；Air compressor machine is closed when the pressure for reaching job requirements.
（2）The pneumatic pressure-release valve of the lower air inlet of abrasive can is adjusted, ensures that storing stressor layer is more than charging stressor layer, control
Valve is closed；Open the pneumatic operated valve of the gas outlet of abrasive material valve, gas cylinder and the pneumatic pressure-release valve of lower air inlet so that high pressure gas into
Enter to storing layer, while high pressure gas drives abrasive material to enter jet stream pipeline, high-pressure abrasive material stream is sprayed from nozzle, waits for steady air current
Afterwards, you can carry out abrasive material gas jet operation.
（3）During abrasive material gas jet operation, when the amount of abrasive deficiency in storing layer, need into storing layer
Abrasive material is added, Adding Way is：First, feed inlet and relief valve are closed；Secondly, the pneumatic pressure-release valve for adjusting enterprising gas port goes out
Mouth pressure value, makes control valve open, and storing layer is connected to beginning with charging layer and feeds to storing layer；Finally, when storing layer amount of abrasive
When reaching requirement, the pneumatic pressure-release valve exit pressure levels that enterprising gas port is arranged open Pneumatic decompression valve outlet pressure less than lower air inlet
Force value so that control valve is closed.
（4）Abradant jet operation is completed：After the completion of abradant jet, instrument cleaning is carried out；Method is：The first step is adjusted
The pneumatic pressure-release valve and abrasive material valve of enterprising gas port and lower air inlet ensure that control valve is in the open state, are discharged in abrasive can
Remaining abrasive material；Second step opens the operated pneumatic valve of gas cylinder gas outlet, waits for not containing abrasive material in the high-velocity fluid sprayed through nozzle
When, close the pneumatic pressure-release valve and abrasive material valve of abrasive can；Third walks, and the air in drained pipeline closes all pneumatic operated valves successively
Door.
When work, need the amount of abrasive for paying attention to feeding layer constantly whether sufficient, if not, high pressure draught is through lower air inlet
Mouth enters storing layer, and control valve is closed；At this point, the relief valve of charging layer is opened, outside the pressure and storage tank inside the bed of material to be added
When the pressure balance in portion, by feed inlet to charging layer charging.In addition, ensureing that system maximum pressure is no more than in the course of work
30MPa, to ensure the safety in the course of work.
Device described in the utility model realizes the continuous feeding that front mixing abrasive jet stream works long hours, and avoids
The reflux again of high pressure gas in abrasive can 6；By the way that control valve 13 is arranged in abrasive can 6, abrasive can 6 is divided for the layer 11 that feeds
With storing layer 18, the supply of charging layer 11 and 18 abrasive material of storing layer is realized under the effect of control valve 13；In 6 enterprising gas port of abrasive can
9 and lower air inlet 19 be respectively provided with pneumatic pressure-release valve 5, accurately control the air pressure difference of upper and lower layer in abrasive can 6 ranging from-
5MPa -5MPa ensures that high pressure gas is mixed with abrasive particle in abrasive can 6, and smoothly flows into and penetrate through 6 discharge port 20 of abrasive can
Flow tube road 22 forms high-pressure abrasive material gas jet.
Claims (7)
1. a kind of front mixing abrasive gas jet continuous feeding system, it is characterised in that：Including air compressor machine, gas cylinder, abrasive can
And nozzle；Abrasive can is internally provided with control valve, and the charging layer being set in above control valve in storage tank, control valve lower section sets position
Storing layer in storage tank；The top of abrasive can is equipped with the enterprising gas port and feed inlet being connected to charging layer, is set on abrasive can
There is the relief valve being connected to charging layer；The bottom end of abrasive can is equipped with the lower air inlet and discharge port being connected to storing layer；Air compressor machine
Gas outlet and gas cylinder air inlet connect；The gas outlet of gas cylinder is connect with the enterprising gas port of abrasive can and lower air inlet respectively；
Meanwhile the gas outlet of gas cylinder connects jet stream pipeline, the discharge port of abrasive can is connect with jet stream pipeline；Nozzle is located at jet stream pipeline end
End.
2. front mixing abrasive gas jet continuous feeding system as described in claim 1, it is characterised in that：Control valve includes
Flexible steel ring, elastic fluid body and horizontally disposed rubber hemispherical, flexible steel ring are fixedly arranged on abrasive material top tank structure；Elastic fluid body
Upper end is connect with flexible steel ring, and elastic fluid body lower end is connect with rubber hemispherical.
3. front mixing abrasive gas jet continuous feeding system as claimed in claim 2, it is characterised in that：Abrasive material top tank structure
It is equipped with groove, flexible steel ring is connected in groove；The junction of flexible steel ring and groove is equipped with polyurethane sealant.
4. front mixing abrasive gas jet continuous feeding system as claimed in claim 3, it is characterised in that：Under flexible steel ring
Square compound rubber hemisphere is equipped with the guide groove being vertically arranged.
5. front mixing abrasive gas jet continuous feeding system as claimed in claim 4, it is characterised in that：Air compressor machine goes out
Gas port is connected with the air inlet of gas cylinder by appendix, and appendix is equipped with pressure gauge；The air inlet of gas cylinder and gas outlet are all provided with
There is pneumatic operated valve；The discharge port of abrasive can is equipped with abrasive material valve.
6. front mixing abrasive gas jet continuous feeding system as claimed in claim 5, it is characterised in that：The internal diameter of nozzle
It is first gradually reduced rear gradually increase along abrasive material gas current method.
7. the front mixing abrasive gas jet continuous feeding system as described in claim 1 to 6 any one, feature exist
In：The quantity of gas cylinder is 3, and the air inlet of 3 gas cylinders is connect with the gas outlet of air compressor machine, and the gas outlet of 3 gas cylinders is connected
After be connected on airflow line, airflow line connect abrasive can enterprising gas port, lower air inlet and jet stream pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721571924.2U CN207841091U (en) | 2017-11-22 | 2017-11-22 | A kind of front mixing abrasive gas jet continuous feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721571924.2U CN207841091U (en) | 2017-11-22 | 2017-11-22 | A kind of front mixing abrasive gas jet continuous feeding system |
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| Publication Number | Publication Date |
|---|---|
| CN207841091U true CN207841091U (en) | 2018-09-11 |
Family
ID=63423071
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721571924.2U Expired - Fee Related CN207841091U (en) | 2017-11-22 | 2017-11-22 | A kind of front mixing abrasive gas jet continuous feeding system |
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| CN (1) | CN207841091U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671747A (en) * | 2017-11-22 | 2018-02-09 | 河南理工大学 | A kind of front mixing abrasive gas jet continuous feeding system and method |
| CN109664204A (en) * | 2019-01-02 | 2019-04-23 | 中国矿业大学 | A kind of super-pressure the Premixed Abrasive Water Jet intelligence continuous feeding system |
| CN111729607A (en) * | 2020-07-03 | 2020-10-02 | 信丰县包钢新利稀土有限责任公司 | Continuous blanking device and method for neodymium iron boron waste |
-
2017
- 2017-11-22 CN CN201721571924.2U patent/CN207841091U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671747A (en) * | 2017-11-22 | 2018-02-09 | 河南理工大学 | A kind of front mixing abrasive gas jet continuous feeding system and method |
| CN109664204A (en) * | 2019-01-02 | 2019-04-23 | 中国矿业大学 | A kind of super-pressure the Premixed Abrasive Water Jet intelligence continuous feeding system |
| CN111729607A (en) * | 2020-07-03 | 2020-10-02 | 信丰县包钢新利稀土有限责任公司 | Continuous blanking device and method for neodymium iron boron waste |
| CN111729607B (en) * | 2020-07-03 | 2022-06-14 | 信丰县包钢新利稀土有限责任公司 | Continuous blanking device and method for neodymium iron boron waste |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20191122 |