CN104290041A - New high pressure abrasive water jet device and method using saturated solution for crystallization - Google Patents
New high pressure abrasive water jet device and method using saturated solution for crystallization Download PDFInfo
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- CN104290041A CN104290041A CN201410405513.0A CN201410405513A CN104290041A CN 104290041 A CN104290041 A CN 104290041A CN 201410405513 A CN201410405513 A CN 201410405513A CN 104290041 A CN104290041 A CN 104290041A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
-
- 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
Abstract
The invention relates to a new high pressure abrasive water jet device and method using a saturated solution for crystallization; the new high pressure abrasive water jet device comprises two parts of a jet generation system and a cooling system; the jet generation system comprises a solution tank, a solution bag, a nozzle, a high pressure tank, an overflow valve, a water tank and a high pressure pump; the cooling system comprises a cooling machine, a cooling liquid conveying pipe, a cooling pipe, a heat insulation shell and a high pressure steel pipe; the high pressure steel pipe and the cooling pipe are in the heat insulation shell, and the cooling pipe wraps tightly around the high pressure steel pipe, the flow direction of a cooling liquid in the cooling pipe is opposite to the flow direction of the saturated solution in the high pressure steel pipe. The new high pressure abrasive water jet device has the advantages that: the new high pressure abrasive water jet device combines the advantages of pre-mixed and after-mixed abrasive water jets, and effectively avoids the shortcomings of the pre-mixed and after-mixed abrasive water jets, has the advantages of low cost, safe and reliable use and convenient operation, and has important significance to the further development and application of abrasive water jet.
Description
Technical field
The present invention relates to a kind of novel high-pressure abrasive water-jet device and method utilizing saturated solution crystallization, especially a kind of tiny crystals particle of saturated solution cooling being separated out afterwards, as the new type abrasive jet of abrasive particle, belongs to water-jet technology field.
Background technology
Abrasive water-jet is the abrasive particle being mixed into some in pure water jets, thus greatly improves a kind of high-efficiency jet of the impact capacity of jet.The impact capacity of abrasive water-jet is far longer than pure water jets, the abradant jet under certain condition, can effective cutting of steel reinforced concrete and steel plate.In recent years, abrasive water-jet obtained as a new technology and developed rapidly, and be widely used in fields such as cleaning, cutting, oil drillings, high-pressure water cutter is exactly the class non-traditional machine tool got up based on abrasive water-jet technical development.
Abrasive water-jet is different according to the mode of abrasive particle ingoing stream, can be divided into front mixing abrasive water jet and rear compound abrasive water jet.Front mixing abrasive water jet operation principle is: first tentatively mixed in abrasive can with water by abrasive material, makes abrasive material be in the fluidized state of quasi-liquid, is then mixed with water under high pressure by fluidised form abrasive material through hybrid chamber, finally penetrated by nozzle at high speeds.The Premixed Abrasive Water Jet advantage is that the abrasive particle acceleration time is long, obtains energy large, thus has stronger impact capacity at lower pressures; But the wearing and tearing of front mixing abrasive water jet to pipeline and equipment are very large, and the concentration of abrasive material is wayward, and abrasive particle easily precipitates and blocking pipe in abrasive can.The abrasive water-jet of current use is rear compound abrasive water jet mostly, its operation principle is: current are by forming high-speed jet during (operating) water nozzle and producing certain vacuum, thus abrasive particle is sucked hybrid chamber, high-velocity flow carries abrasive particle and sprays from abrasive jet afterwards, forms abrasive water-jet.Although rear compound abrasive water jet uses extensively, its abrasive particle is introducing close to jet exit place, and the abrasive particle acceleration time is short, obtains little energy, needs the pressure higher than front mixing abrasive water jet, cause equipment cost greatly to increase when thus using.In addition, the abrasive particle due to rear compound abrasive water jet introducing is in the periphery of jet beam, very serious to the wearing and tearing of nozzle.Therefore, although rear compound abrasive jet application is extensive, but still there is larger deficiency.
From the above, front mixing abrasive water jet and rear compound abrasive water jet operation principle separately determine its insoluble deficiency technically, and it is significant to invent the development and application of novel abrasive water-jet to water-jet technology.
Summary of the invention
The present invention mainly solves the technical problem existing for prior art; Provide a kind of material reduced fast by reducing with solubility with temperature if the saturated solution of sodium sulphate is as the medium of jet, at nozzle exit cooler, saturated solution is cooled fast, part solute will because solution temperature reduces with crystal grain precipitation and with solution from jet expansion high-speed jet, form abradant jet, and the size of abrasive particle and crystal grain and quantity can be controlled by the length of cooling pipe and chilling temperature.The present invention has the advantage of forward slip value and rear compound abrasive water jet concurrently, and effectively avoided the deficiency of forward slip value and rear compound abrasive water jet, and appliance arrangement is with low cost, safe and reliable, easy to operate a kind of novel high-pressure abrasive water-jet device and method utilizing saturated solution crystallization.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
Utilize a novel high-pressure abrasive water-jet device for saturated solution crystallization, it is characterized in that, comprise jet generation systems and cooling system;
Wherein jet generation systems comprises:
A pressure pan: described pressure pan have four with the hole communicated in high pressure tank body, be hole A, hole B, hole C, hole D respectively;
One is arranged on the solution capsule in pressure pan: described solution capsule is provided with import and outlet, and wherein import is communicated with hole B, and outlet is communicated with hole D;
One for depositing the solution pool of saturated solution: described solution pool bottom end opening is also communicated with hole B by high-pressure hose; The high-pressure hose that described solution pool is communicated with hole B is provided with high pressure valve;
A water energy storage equipment: this water energy storage equipment comprises the import be communicated with hole A and the outlet be communicated with hole C; For pressure pan being filled with water under high pressure thus press solution capsule makes the saturated solution in solution capsule flow out from hole D mouth;
Cooling system comprises:
A Steel Tube Special; Described Steel Tube Special import is communicated with the hole D of pressure pan by high-pressure hose, and the high-pressure hose that described Steel Tube Special import is communicated with the hole D of pressure pan is provided with high pressure valve; Steel Tube Special outlet is connected with high-pressure spray gun; Steel Tube Special is provided with the cooling package for Steel Tube Special being cooled to design temperature; Described cooling package comprises the cooling tube be spirally wound on Steel Tube Special, lagging casing and cooler; Steel Tube Special and cooling tube are all arranged in lagging casing; The inducer of cooling tube is stretched out lagging casing and is connected with the output of cooler by cooling fluid carrier pipe, and the outlet section of cooling tube is stretched out lagging casing and is connected with the input of cooler by cooling fluid carrier pipe; The axial flow direction of cooling fluid in cooling tube is contrary at Steel Tube Special flow direction with saturated solution.
At above-mentioned a kind of novel high-pressure abrasive water-jet device utilizing saturated solution crystallization, described water energy storage equipment comprises a pond for water storage; Pond is extracted out in hole A injection pressure pan by high-pressure hose by high-pressure pump; The hole C of pressure pan is communicated with pond by high-pressure hose; The high-pressure hose that the hole C of described pressure pan is communicated with pond is also provided with overflow valve; The high-pressure hose that high-pressure pump is communicated with hole A is also provided with high pressure valve.
At above-mentioned a kind of novel high-pressure abrasive water-jet device utilizing saturated solution crystallization, the hole A on described pressure pan, hole B, hole C, hole D lay respectively at the top of pressure pan, bottom and side; Wherein, hole A, hole B are disposed side by side on pressure pan top; Hole D is positioned at the bottom of pressure pan; Hole C is arranged on pressure pan side and close pressure pan bottom end.
Utilize a jetting method for the novel high-pressure abrasive water-jet device of saturated solution crystallization, it is characterized in that, comprise the following steps:
Step 1, first sets to zero overflow valve pressure, opens the high pressure valve be connected with hole B and be full of saturated solution in solution capsule;
Step 2, opens cooler and chilling temperature is transferred to desirable value, makes cooling fluid circulate in cooling tube 1 and be cooled to by Steel Tube Special temperature required;
Step 3, overflow valve pressure is transferred to required operating pressure, open the high pressure valve be connected with hole A, start high-pressure pump and be slowly adjusted to required operating pressure, when starting there are flowing out in overflow valve, open the high pressure valve be connected with hole D, the water under high pressure entered by hole A is press solution capsule just, saturated solution is flowed out by the hole D of pressure pan, then enters Steel Tube Special through high-pressure hose; Because the temperature in Steel Tube Special is low, saturated solution can separate out tiny crystals particle in Steel Tube Special; The tiny crystals particle of separating out penetrates through the nozzle at high speeds of high-pressure hose from high-pressure spray gun with solution, forms high-pressure grinding material water jet.
Therefore, tool of the present invention has the following advantages: the saturated solution of the solute sharply reduced with solubility with temperature reduction is for jet media, make part solute with the precipitation of tiny crystals particle by reducing solution temperature near jet exit and penetrated by nozzle at high speeds with solution, forming abrasive water-jet.Because tiny crystals particle is separated out from solution at nozzle exit; thus front mixing abrasive water jet is significantly smaller than to the wearing and tearing of pipeline and equipment; and the speed of tiny crystals particle and solution is about the same; the speed that crystal grain obtains is high, kinetic energy large, thus at the hitting power strong and rear compound abrasive water jet far away that same pump is depressed.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of one of the present invention.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment:
As shown in Figure 1, utilize the novel high-pressure abrasive water-jet device and method of saturated solution crystallization, comprise jet generation systems and cooling system two parts;
Jet generation systems comprises:
A pressure pan 17: pressure pan 17 have four with the hole communicated in pressure pan 17 body, be hole A, hole B, hole C, hole D respectively;
One is arranged on the solution capsule 6 in pressure pan 17: described solution capsule 6 is provided with import and outlet, and wherein import is communicated with hole B, and outlet is communicated with hole D; Hole A on pressure pan 17, hole B, hole C, hole D lay respectively at the top of pressure pan 17, bottom and side; Wherein, hole A, hole B are disposed side by side on pressure pan 17 top; Hole D is positioned at the bottom of pressure pan 17; Hole C is arranged on pressure pan 17 side and close pressure pan 17 bottom end;
One for depositing the solution pool 4 of saturated solution: solution pool 4 bottom end opening is also communicated with hole B by high-pressure hose 2; The high-pressure hose 2 that solution pool 4 is communicated with hole B is provided with high pressure valve 1;
A water energy storage equipment: this water energy storage equipment comprises the import be communicated with hole A and the outlet be communicated with hole C; For pressure pan 17 being filled with water under high pressure thus press solution capsule 6 makes the saturated solution in solution capsule 6 flow out from hole D mouth; Water energy storage equipment comprises a pond 20 for water storage; Pond 20 is extracted out in hole A injection pressure pan 17 by high-pressure hose 2 by high-pressure pump 21; The hole C of pressure pan 17 is communicated with pond 20 by high-pressure hose 2; The high-pressure hose 2 that the hole C of described pressure pan 17 is communicated with pond 20 is also provided with overflow valve 18; The high-pressure hose 2 that high-pressure pump 21 is communicated with hole A is also provided with high pressure valve 1
Cooling system comprises:
A Steel Tube Special 9; Steel Tube Special 9 import is communicated with the hole D of pressure pan 17 by high-pressure hose 2, and the high-pressure hose 2 that Steel Tube Special 9 import is communicated with the hole D of pressure pan 17 is provided with high pressure valve 1; Steel Tube Special 9 outlet is connected with high-pressure spray gun 10; Steel Tube Special 9 is provided with the cooling package for Steel Tube Special 9 being cooled to design temperature; Described cooling package comprises the cooling tube 12 be spirally wound on Steel Tube Special 9, lagging casing 13 and cooler 7; Steel Tube Special 9 and cooling tube 12 are all arranged in lagging casing 13; The inducer of cooling tube 12 is stretched out lagging casing 13 and is connected by the output of cooling fluid carrier pipe 8 with cooler 7, and the outlet section of cooling tube 12 is stretched out lagging casing 13 and is connected by the input of cooling fluid carrier pipe 8 with cooler 7; The axial flow direction of cooling fluid in cooling tube 12 is contrary at Steel Tube Special 9 flow direction with saturated solution.
During use, be specially following steps:
Step 1, first sets to zero overflow valve 18 pressure, opens the high pressure valve 1 be connected with hole B and be full of saturated solution in solution capsule 6;
Step 2, opens cooler 7 and chilling temperature is transferred to desirable value, makes cooling fluid circulate in cooling tube 12 and be cooled to temperature required by Steel Tube Special 9;
Step 3, overflow valve 18 pressure is transferred to required operating pressure, open the high pressure valve 1 be connected with hole A, start high-pressure pump 21 and be slowly adjusted to required operating pressure, when starting there are flowing out in overflow valve 18, open the high pressure valve 1 be connected with hole D, the water under high pressure entered by hole A is press solution capsule 6 just, saturated solution is flowed out by the hole D of pressure pan 17, then enters Steel Tube Special 9 through high-pressure hose 2; Because the temperature in Steel Tube Special 9 is low, saturated solution can separate out tiny crystals particle in Steel Tube Special 9; The tiny crystals particle of separating out penetrates through the nozzle at high speeds of high-pressure hose 2 from high-pressure spray gun 10 with solution, forms high-pressure grinding material water jet.
The present invention, by carrying out fast cooling to saturated solution, makes solute separate out with tiny crystals particle and be penetrated by nozzle at high speeds with saturated solution, forms abrasive water-jet.From its operation principle: after adopting this kind of method, the wearing and tearing of abrasive particle to equipment and pipeline reduce greatly relative to front mixing abrasive water jet, and the speed of abrasive particle and solution speed about the same, abrasive particle kinetic energy is large, thus can obtain larger hitting power under lower pump pressure, thus effectively having avoided rear compound abrasive water jet, need very high workload pressure this is not enough.It is worthy of note, the solute that saturated solution adopts must be innocuous substance, and solubility can reduce with temperature and reduce rapidly, and the crystal grain of precipitation has stronger hardness, as sodium sulphate etc.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (4)
1. utilize a novel high-pressure abrasive water-jet device for saturated solution crystallization, it is characterized in that, comprise jet generation systems and cooling system;
Wherein jet generation systems comprises:
A pressure pan (17): described pressure pan (17) have four with the hole communicated in pressure pan (17) body, be hole A, hole B, hole C, hole D respectively;
One is arranged on the solution capsule (6) in pressure pan (17): described solution capsule (6) is provided with import and outlet, and wherein import is communicated with hole B, and outlet is communicated with hole D;
One for depositing the solution pool (4) of saturated solution: described solution pool (4) bottom end opening is also communicated with hole B by high-pressure hose (2); The high-pressure hose (2) that described solution pool (4) is communicated with hole B is provided with high pressure valve (1);
A water energy storage equipment: this water energy storage equipment comprises the import be communicated with hole A and the outlet be communicated with hole C; For pressure pan (17) being filled with water under high pressure thus press solution capsule (6) makes the saturated solution in solution capsule (6) flow out from hole D mouth;
Cooling system comprises:
A Steel Tube Special (9); Described Steel Tube Special (9) import is communicated with the hole D of pressure pan (17) by high-pressure hose (2), and the high-pressure hose (2) that described Steel Tube Special (9) import is communicated with the hole D of pressure pan (17) is provided with high pressure valve (1); Steel Tube Special (9) outlet is connected with high-pressure spray gun (10); Steel Tube Special (9) is provided with the cooling package for Steel Tube Special (9) being cooled to design temperature; Described cooling package comprises the cooling tube (12) be spirally wound on Steel Tube Special (9), lagging casing (13) and cooler (7); Steel Tube Special (9) and cooling tube (12) are all arranged in lagging casing (13); The inducer of cooling tube (12) is stretched out lagging casing (13) and is connected by the output of cooling fluid carrier pipe (8) with cooler (7), and the outlet section of cooling tube (12) is stretched out lagging casing (13) and is connected by the input of cooling fluid carrier pipe (8) with cooler (7); The axial flow direction of cooling fluid in cooling tube (12) is contrary at Steel Tube Special (9) flow direction with saturated solution.
2. a kind of novel high-pressure abrasive water-jet device utilizing saturated solution crystallization according to claim 1, it is characterized in that, described water energy storage equipment comprises a pond for water storage (20); Pond (20) extract out in hole A injection pressure pan (17) by high-pressure hose (2) by high-pressure pump (21); The hole C of pressure pan (17) is communicated with pond (20) by high-pressure hose (2); The high-pressure hose (2) that the hole C of described pressure pan (17) is communicated with pond (20) is also provided with overflow valve (18); The high-pressure hose (2) that high-pressure pump (21) is communicated with hole A is also provided with high pressure valve (1).
3. a kind of novel high-pressure abrasive water-jet device utilizing saturated solution crystallization according to claim 1, is characterized in that, the hole A on described pressure pan (17), hole B, hole C, hole D lay respectively at the top of pressure pan (17), bottom and side; Wherein, hole A, hole B are disposed side by side on pressure pan (17) top; Hole D is positioned at the bottom of pressure pan (17); Hole C is arranged on pressure pan (17) side and close pressure pan (17) bottom end.
4. use the jetting method utilizing the novel high-pressure abrasive water-jet device of saturated solution crystallization described in claim 2, it is characterized in that, comprise the following steps:
Step 1, first sets to zero overflow valve (18) pressure, opens the high pressure valve (1) be connected with hole B and be full of saturated solution in solution capsule (6);
Step 2, opens cooler (7) and chilling temperature is transferred to desirable value, makes cooling fluid circulate in cooling tube (12) and be cooled to temperature required by Steel Tube Special (9);
Step 3, overflow valve (18) pressure is transferred to required operating pressure, open the high pressure valve (1) be connected with hole A, start high-pressure pump (21) and be slowly adjusted to required operating pressure, when starting there are flowing out in overflow valve (18), open the high pressure valve (1) be connected with hole D, the water under high pressure entered by hole A is press solution capsule (6) just, saturated solution is flowed out by the hole D of pressure pan (17), then enters Steel Tube Special (9) through high-pressure hose (2); Because the temperature in Steel Tube Special (9) is low, saturated solution can separate out tiny crystals particle in Steel Tube Special (9); The tiny crystals particle of separating out penetrates through the nozzle at high speeds of high-pressure hose (2) from high-pressure spray gun (10) with solution, forms high-pressure grinding material water jet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410405513.0A CN104290041A (en) | 2014-08-18 | 2014-08-18 | New high pressure abrasive water jet device and method using saturated solution for crystallization |
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| CN201410405513.0A CN104290041A (en) | 2014-08-18 | 2014-08-18 | New high pressure abrasive water jet device and method using saturated solution for crystallization |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107081681A (en) * | 2017-06-06 | 2017-08-22 | 浙江工业大学 | Microfluidic channel processing unit (plant) based on abrasive particle dynamic impulsion effect |
| CN107081682A (en) * | 2017-06-06 | 2017-08-22 | 浙江工业大学 | A kind of microfluidic channel processing method based on abrasive particle dynamic impulsion effect |
| CN107175588A (en) * | 2017-06-06 | 2017-09-19 | 浙江工业大学 | The controllable precise fine abrasive water jet system of abrasive concentration |
| CN110666703A (en) * | 2019-09-12 | 2020-01-10 | 武汉大学 | Closed autogenous abrasive material jet device and experimental method using same |
| WO2020215715A1 (en) * | 2019-04-25 | 2020-10-29 | 孙树峰 | Laser-jet liquid beam self-generating abrasive flow combined machining head and working method |
| CN114211314A (en) * | 2021-11-25 | 2022-03-22 | 浙江康飞思医疗科技有限公司 | Spiral eddy magnetic jet polishing machine for medical tibia support |
| CN115284179A (en) * | 2022-08-12 | 2022-11-04 | 武汉大学 | Abrasive material fluidic device based on self-reaction generates |
| CN115287559A (en) * | 2022-07-14 | 2022-11-04 | 武汉大学 | Preparation method of titanium alloy material gradient micro-nano structure by using high-pressure water jet |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107081681A (en) * | 2017-06-06 | 2017-08-22 | 浙江工业大学 | Microfluidic channel processing unit (plant) based on abrasive particle dynamic impulsion effect |
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| CN110666703A (en) * | 2019-09-12 | 2020-01-10 | 武汉大学 | Closed autogenous abrasive material jet device and experimental method using same |
| CN110666703B (en) * | 2019-09-12 | 2021-04-16 | 武汉大学 | Closed autogenous abrasive material jet device and experimental method using same |
| CN114211314A (en) * | 2021-11-25 | 2022-03-22 | 浙江康飞思医疗科技有限公司 | Spiral eddy magnetic jet polishing machine for medical tibia support |
| CN115287559A (en) * | 2022-07-14 | 2022-11-04 | 武汉大学 | Preparation method of titanium alloy material gradient micro-nano structure by using high-pressure water jet |
| CN115284179A (en) * | 2022-08-12 | 2022-11-04 | 武汉大学 | Abrasive material fluidic device based on self-reaction generates |
| CN115284179B (en) * | 2022-08-12 | 2024-02-27 | 武汉大学 | Abrasive jet device based on self-reaction generation |
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Application publication date: 20150121 |