CN207874000U - It is a kind of to wrap up in the abrasive material gas fluidic device that abrasive material reduces nozzle wear using ice - Google Patents
It is a kind of to wrap up in the abrasive material gas fluidic device that abrasive material reduces nozzle wear using ice Download PDFInfo
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- CN207874000U CN207874000U CN201721573608.9U CN201721573608U CN207874000U CN 207874000 U CN207874000 U CN 207874000U CN 201721573608 U CN201721573608 U CN 201721573608U CN 207874000 U CN207874000 U CN 207874000U
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- abrasive material
- gas
- abrasive
- water tank
- liquid nitrogen
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Abstract
A kind of to wrap up in the abrasive material gas fluidic device that abrasive material reduces nozzle wear using ice, described device includes air compressor machine, abrasive can, water tank, liquid nitrogen container and at least one air accumulator；The entrance of the gas outlet connection air accumulator of air compressor machine, the outlet of air accumulator connect gas passage, and gas passage is equipped with pressure gauge；First passage and second channel are connected on gas passage, first passage is connected to the head gas entrance of water tank, liquid nitrogen container and abrasive can；The bottom end of water tank, liquid nitrogen container and abrasive can is respectively connected with tremie pipe, and the tremie pipe of water tank is equipped with atomizer；Tremie pipe is connect with second channel；Second channel end is equipped with injection pipe, and injection pipe end is equipped with nozzle.Device applicability described in the utility model is wide, stablizes to the protecting effect of nozzle, abrasive material big compared with macrorelief, especially hardness, more serious to nozzle wear will not be generated because of the change of abrasive nature, can greatly prolong the service life of nozzle.
Description
Technical field
The utility model belongs to abrasive material gas jet field, and in particular to a kind of to wrap up in abrasive material reduction nozzle wear using ice
Abrasive material gas fluidic device.
Background technology
Abradant jet appears in the U.S. of the sixties earliest, can specifically be divided into abrasive water-jet and abrasive material gas jet.
Since abrasive jet system is simple, at low cost, stock-removing efficiency is 8-10 times higher than the water jet under the same terms, abradant jet
It is widely used in cleaning, derusting, cutting and fractured rock operation.
In abradant jet operation process, nozzle is the direct element for determining jet stream operating mode, is to improve fluid media (medium) speed
Main device.
When low velocity fluid in pressure duct flows through nozzle, abrasive particle can be driven to be accelerated together in very short time,
Larger kinetic energy is obtained, realizes abradant jet.But since nozzle wear is fast, the shortcomings that short life, has seriously affected pushing away for abradant jet
Wide application.
For this purpose, expert improves seeking special wear-resistant material and nozzle arrangements in recent years both at home and abroad, carry out a series of
Research work, also achieve certain achievement.
But seeks special wear-resistant material above and nozzle arrangements improve two methods and have larger limitation：It is special wear-resisting
The service life of material nozzle can change with the difference of abrasive material, and the larger abrasive material of hardness can greatly shorten the service life of nozzle；
The change of nozzle arrangements can be limited by abradant jet working efficiency and cannot effectively extend nozzle life.
Utility model content
The utility model is intended to provide a kind of good abrasive material gas that abrasive material reduction nozzle wear is wrapped up in using ice of using effect
Fluidic device.
In order to solve the above technical problems, the utility model provides the following technical solution：It is a kind of to wrap up in abrasive material using ice and subtract
The abrasive material gas fluidic device of few nozzle wear, including air compressor machine, abrasive can, water tank, liquid nitrogen container and at least one air accumulator；
The entrance of the gas outlet connection air accumulator of air compressor machine, the outlet of air accumulator connect gas passage, and gas passage is equipped with pressure gauge；
First passage and second channel are connected on gas passage, first passage is connected to the top of water tank, liquid nitrogen container and abrasive can
Gas access；The bottom end of water tank, liquid nitrogen container and abrasive can is respectively connected with tremie pipe, and the tremie pipe of water tank is equipped with atomization and sprays
Mouth；Tremie pipe is connect with second channel；Second channel end is equipped with injection pipe, and injection pipe end is equipped with nozzle.
It is equipped with valve on the entrance and exit of air accumulator；On the head gas entrance of water tank, liquid nitrogen container and abrasive can
Also it is equipped with valve；It is also equipped with valve on the tremie pipe of water tank, liquid nitrogen container and abrasive can.
Electromagnetic flowmeter is equipped on the tremie pipe of water tank, liquid nitrogen container and abrasive can, injection pipe is equipped with temperature sensing
Collected information is transferred to processing unit by device, electromagnetic flowmeter and temperature sensor respectively.
The front end of second channel is equipped with pressure regulator valve.
The direction of the internal diameter of the nozzle towards injection pipe end gradually increases after being first gradually reduced.
Gas passage connects first passage and second channel by three-way pipe.
The quantity of air accumulator is 3, and the entrance of 3 air accumulators is all connected with the gas outlet of air compressor machine；The outlet of 3 air accumulators
It is all connected with the entrance of gas passage.
Further include gas storage holder, air accumulator is set in gas storage holder.
By above technical scheme, the beneficial effects of the utility model are：1, device applicability described in the utility model
Extensively, to the protecting effect of nozzle stablize, will not be generated because of the change of abrasive nature it is big compared with macrorelief, especially hardness, it is right
The more serious abrasive material of nozzle wear, can greatly prolong the service life of nozzle.2, the present apparatus can lead to according to actual needs
Excess temperature sensor feedback temperature adjusts abrasive material, water and the flow of liquid nitrogen, to controlling the flow of abrasive material, the thickness of surface ice film
Degree and hardness, realize the reasonable effective use of material.3, the present apparatus has only introduced a small amount of water in abradant jet, does not need pair
It is particularly handled, and has good dust removing effects, and operating environment is more preferable.4, the selection of equipment and cloth in the present apparatus
It sets, can effectively ensure that the stability of flow jet work, the jet stream operation of high request can be met.
Description of the drawings
Fig. 1 is apparatus structure schematic diagram described in the utility model；
Fig. 2 is the utility model principle block diagram.
Specific implementation mode
It is a kind of to wrap up in the abrasive material gas fluidic device that abrasive material reduces nozzle wear using ice, as illustrated in figs. 1 and 2, including sky
Press 1, abrasive can 5, water tank 6, liquid nitrogen container 7 and at least one air accumulator 3, the quantity of air accumulator 3 is 3 in the present embodiment, is
The present apparatus easy to use further includes 2,3 air accumulators 3 of gas storage holder may be contained in gas storage holder 2.Air compressor machine 1 carries for whole device
For the gas of certain pressure, air accumulator 3 is used for storing the working gas of the certain pressure and quantity of need of work, and air accumulator
3 can ensure the stability of the continuity and whole device air pressure of flow jet work process by the buffering to gas, three or
Multiple air accumulators 3 can provide the original power of different pressures gradient by different 4 combining form of valve of adjusting for device, fit
It is wide with range.
The gas outlet of air compressor machine 1 connects the entrance of 3 air accumulators 3, and the outlet of 3 air accumulators 3 is all connected with gas passage 13,
Valve 4 is equipped on the entrance and exit of air accumulator 3, which can adjust flow, be flow control valve, can be with by valve 4
Whether convenient control gas enters in air accumulator 3 or whether gas comes out from air accumulator 3, while control enters out
Gas flow.Gas passage 13 is equipped with pressure gauge 11, and the pressure on gas passage 13 can be read by pressure gauge 11
Force value.
13 end of gas passage is connected with three-way pipe, and gas passage 13 connects first passage and second channel by three-way pipe
1714.First passage is connected to the head gas entrance of water tank 6, liquid nitrogen container 7 and abrasive can 5, water tank 6, liquid nitrogen container 7 and mill
It is equipped with valve 4 on the head gas entrance of batch can 5, which is also that can control flow, flow control valve, convenient for control
Whether gas processed enters in water tank 6, liquid nitrogen container 7 and abrasive can 5, and enters the flow of gas therein.First is logical
Road is connected to the head gas entrance of water tank 6, liquid nitrogen container 7 and abrasive can 5, so that gas enters water tank 6, liquid nitrogen
In tank 7 and abrasive can 5, so as to balance the pressure in water tank 6, liquid nitrogen container 7 and abrasive can 5, and then facilitate abrasive material, water and
Liquid nitrogen is flowed out from abrasive can 5, water tank 6, liquid nitrogen container 7.
It is respectively connected with tremie pipe 18 in the bottom end of water tank 6, liquid nitrogen container 7 and abrasive can 5, on the tremie pipe 18 of water tank 6
Equipped with atomizer 128, so that water mist is melted into small water droplet.On the tremie pipe 18 of water tank 6, liquid nitrogen container 7 and abrasive can 5
Equipped with valve 4, which is also that can control the flow control valve of flow, to whether control water, liquid nitrogen and abrasive material from water storage
In tank 6, liquid nitrogen container 7 and abrasive can 5 out, and from water tank 6, liquid nitrogen container 7 and abrasive can 5 water, liquid nitrogen and the mill come out
The flow of material.
3 tremie pipes 18 are connect with second channel 1714, and the front end of second channel 1714 is equipped with pressure regulator valve 16, to adjust
Gas pressure on whole second channel 1714,1714 end of second channel are equipped with injection pipe 19, and 19 end of injection pipe is equipped with nozzle
12, the direction of internal diameter towards 19 end of injection pipe of the nozzle 12 is first gradually reduced rear gradually increase, to entering spray
Abrasive material in mouth 12 is accelerated, its working efficiency is improved.
For the automation of realization device, electromagnetism is equipped on the tremie pipe 18 of water tank 6, liquid nitrogen container 7 and abrasive can 5
Flowmeter 9 can acquire the uninterrupted of water, liquid nitrogen and abrasive material by electromagnetic flowmeter 9 in real time, the control convenient for flow and tune
It is whole.Injection pipe 19 is equipped with temperature sensor 10, and electromagnetic flowmeter 9 and temperature sensor 10 respectively transmit collected information
To processing unit, the parameter received is transferred to computer 15 by processing unit.It can be sprayed with accurate measurements by temperature sensor 10
The temperature of 19 low temperature field of pipe is penetrated, and liquid nitrogen flow is controlled by valve 4, the hard of abrasive particle surface ice film is controlled with this
Degree.
Realization method is：Processing unit includes microcontroller and wireless transport module, electromagnetic flowmeter 9 and temperature sensor 10
Signal output end be separately connected the signal input part of microcontroller, microcontroller is passed the signal received by wireless transport module
In the defeated client to computer 15.
When work, the water in water tank 6 is atomized under the collective effect of different pressures gas and atomizer 128
Uniform small water droplet；Small water droplet uniformly mixes with abrasive material and is attached to abrasive particle surface after entering second channel 1714, in table
Being formed under the action of the tension of face has certain thickness spherical moisture film, and moisture film solidifies out into abrasive grain table after liquid nitrogen refrigerating
Face has certain thickness spherical ice film, and abrasive material is wrapped up in so as to form that can reduce the ice worn to nozzle 12；By nozzle 12
After acceleration, ice wraps up in abrasive material and finally sprays to working face.
It is a kind of to wrap up in the abrasive material gas jetting method that abrasive material reduces nozzle wear, the party using ice using what above-mentioned apparatus carried out
Method in turn includes the following steps：
（1）It is separately added into abrasive material, water and liquid nitrogen to abrasive can, water tank and liquid nitrogen container；Start air compressor machine, into air accumulator
It is filled with gas.
（2）When reservoir pressure reaches setting value, the exit valve of air accumulator is opened, ensures that air compressor machine continues work
Make.
（3）The head gas inlet valve of liquid nitrogen container is first opened, then opens the valve on liquid nitrogen container tremie pipe, liquid nitrogen container
In liquid nitrogen sprayed from nozzle under gas effect；When temperature reaches -60 DEG C ~ -40 DEG C in injection pipe, preferably -50 DEG C
When, water tank inlet valve is opened, then open the valve on the tremie pipe of water tank.
（4）The valve on the head gas inlet valve of abrasive can and the tremie pipe of abrasive can is opened after jet stability successively
Door, abradant jet start operation；During abradant jet, parameters, the electromagnetic current on tremie pipe are controlled by computer
The flow of abrasive material, water and liquid nitrogen is transferred to processing unit by gauge, meanwhile, temperature sensor transmits collected temperature signal
To processing unit, above-mentioned parameter is transferred to computer by processing unit, and whether above-mentioned parameter is monitored in real time suitable by computer
In range.
（5）During abradant jet, the volume flow ratio of control abrasive material, water and liquid nitrogen is 1:3:0.3.
（6）After flow jet work is completed, abrasive material remaining in abrasive can, water tank and liquid nitrogen container, water, liquid nitrogen release are waited for
After close air compressor machine, wait in whole system gas release after close all valves, whole process terminates.
During abradant jet, need to notice either whether liquid nitrogen is finished when abrasive material, water or liquid for abrasive material, water constantly
Nitrogen is any when being finished, and first closes the valve of abrasive can, water tank and liquid nitrogen container entrance, turns off the valve in the exit of air accumulator
Door；Wait for that abrasive can, high pressure gas release finishes in water tank and liquid nitrogen container, closes abrasive can, water tank or liquid nitrogen container tremie pipe
On valve, abrasive material, water or liquid nitrogen are added into abrasive can, water tank or liquid nitrogen container；After completing charging work, repeat（2）-
（5）Step operation.
Device applicability described in the utility model is wide, stablizes to the protecting effect of nozzle, will not be because of abrasive nature
Change and generates abrasive material big compared with macrorelief, especially hardness, more serious to nozzle wear, the spherical ice sheet energy of abrasive surface
Enough to reduce the abrasive material surface hardness being in direct contact with nozzle, to reduce the abrasion to nozzle, and certain thickness ice sheet is passing through
After overspray pipe and nozzle interior extrusion and collision, hardness and structural stability further decrease, before jet impulse target body
Or the moment of impact target body can be crushed and expose internal hard grind material and its corner angle, it is identical with abradant jet to reach
Impact effect, while greatly prolonging the service life of nozzle.
Claims (8)
1. a kind of wrapping up in the abrasive material gas fluidic device that abrasive material reduces nozzle wear using ice, it is characterised in that：Including air compressor machine, mill
Batch can, water tank, liquid nitrogen container and at least one air accumulator；The entrance of the gas outlet connection air accumulator of air compressor machine, the outlet of air accumulator
Gas passage is connected, gas passage is equipped with pressure gauge；First passage and second channel, first passage are connected on gas passage
It is connected to the head gas entrance of water tank, liquid nitrogen container and abrasive can；The bottom end of water tank, liquid nitrogen container and abrasive can is respectively connected with
The tremie pipe of tremie pipe, water tank is equipped with atomizer；Tremie pipe is connect with second channel；Second channel end is equipped with injection
Pipe, injection pipe end are equipped with nozzle.
2. wrapping up in the abrasive material gas fluidic device that abrasive material reduces nozzle wear using ice as described in claim 1, it is characterised in that：
It is equipped with valve on the entrance and exit of air accumulator；It is also equipped on the head gas entrance of water tank, liquid nitrogen container and abrasive can
Valve；It is also equipped with valve on the tremie pipe of water tank, liquid nitrogen container and abrasive can.
3. wrapping up in the abrasive material gas fluidic device that abrasive material reduces nozzle wear using ice as claimed in claim 2, it is characterised in that：
Electromagnetic flowmeter is equipped on the tremie pipe of water tank, liquid nitrogen container and abrasive can, injection pipe is equipped with temperature sensor, electromagnetic current
Collected information is transferred to processing unit by gauge and temperature sensor respectively.
4. wrapping up in the abrasive material gas fluidic device that abrasive material reduces nozzle wear using ice as claimed in claim 3, it is characterised in that：
The front end of second channel is equipped with pressure regulator valve.
5. wrapping up in the abrasive material gas fluidic device that abrasive material reduces nozzle wear using ice as claimed in claim 4, it is characterised in that：
The direction of the internal diameter of the nozzle towards injection pipe end gradually increases after being first gradually reduced.
6. wrapping up in the abrasive material gas fluidic device that abrasive material reduces nozzle wear using ice as claimed in claim 5, it is characterised in that：
Gas passage connects first passage and second channel by three-way pipe.
7. wrapping up in the abrasive material gas fluidic device that abrasive material reduces nozzle wear using ice as claimed in claim 6, it is characterised in that：
The quantity of air accumulator is 3, and the entrance of 3 air accumulators is all connected with the gas outlet of air compressor machine；The outlet of 3 air accumulators is all connected with gas
The entrance in body channel.
8. wrapping up in the abrasive material gas fluidic device that abrasive material reduces nozzle wear using ice as claimed in claim 7, it is characterised in that：
Further include gas storage holder, air accumulator is set in gas storage holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721573608.9U CN207874000U (en) | 2017-11-22 | 2017-11-22 | It is a kind of to wrap up in the abrasive material gas fluidic device that abrasive material reduces nozzle wear using ice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721573608.9U CN207874000U (en) | 2017-11-22 | 2017-11-22 | It is a kind of to wrap up in the abrasive material gas fluidic device that abrasive material reduces nozzle wear using ice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207874000U true CN207874000U (en) | 2018-09-18 |
Family
ID=63501078
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721573608.9U Expired - Fee Related CN207874000U (en) | 2017-11-22 | 2017-11-22 | It is a kind of to wrap up in the abrasive material gas fluidic device that abrasive material reduces nozzle wear using ice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207874000U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671733A (en) * | 2017-11-22 | 2018-02-09 | 河南理工大学 | A kind of abrasive material gas fluidic device and method that abrasive material reduction nozzle wear is wrapped up in using ice |
| CN114144281A (en) * | 2019-06-07 | 2022-03-04 | 赛峰飞机发动机公司 | Blasting medium and surface treatment method using the same |
-
2017
- 2017-11-22 CN CN201721573608.9U patent/CN207874000U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671733A (en) * | 2017-11-22 | 2018-02-09 | 河南理工大学 | A kind of abrasive material gas fluidic device and method that abrasive material reduction nozzle wear is wrapped up in using ice |
| CN114144281A (en) * | 2019-06-07 | 2022-03-04 | 赛峰飞机发动机公司 | Blasting medium and surface treatment method using the same |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| 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: 20180918 Termination date: 20191122 |