CN2625110Y - Underwater abradant feeding apparatus - Google Patents
Underwater abradant feeding apparatus Download PDFInfo
- Publication number
- CN2625110Y CN2625110Y CN 03229293 CN03229293U CN2625110Y CN 2625110 Y CN2625110 Y CN 2625110Y CN 03229293 CN03229293 CN 03229293 CN 03229293 U CN03229293 U CN 03229293U CN 2625110 Y CN2625110 Y CN 2625110Y
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- China
- Prior art keywords
- grinding material
- abrasive
- abrasive material
- underwater
- water
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- Expired - Fee Related
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Abstract
The utility model relates to an underwater grinding material feed device, in particular to an underwater grinding material feed device for after-mixing dry type feeding, which comprises a grinding material tank, a pressure gauge, an air valve and a grinding material valve. The utility model is characterized in that: a route of compressed air pipe for balancing with the high confining pressure in the enclosed water tank is positioned at the upper section of the grinding material tank; the bottom of the grinding material tank is configured in taper shape; a hypanthium is added to the bottom for fluid conduction; an air valve that controls the compressed air to dry the sand conveyance pipe is positioned on a conveyance pipeline. After testing, it is proved that the utility model effectively resolves the problem for the feeding of grinding material in underwater high confining pressure grinding material ejection flow and overcomes the back flow of returned water.
Description
Technical field
The utility model relates to a kind of device of feeding abrasive material under water, and particularly the device of feeding abrasive material under water of the defeated material of dry type is mixed in the back, belongs to the water-jet technology field.
Background technology
Front mixing and the hybrid two kinds of main feed modes as abradant jet in back, they are paid close attention to by people the influence of cutting performance always.The pre-mixed abrasive jet is based on the fluidization principle and carries out direct feed, and required hydraulic pressure is far below back compound abrasive jet.The pre-mixed abrasive jet can cut sheet metal under the low-pressure very much with the advantage that evenly is mixed into of its water and abrasive material before nozzle, and the prerequisite of pre-mixed abrasive jet is a low pressure and mass flow, and its nozzle diameter is bigger, the joint-cutting broad.Back compound abrasive jet is that the injection abrasive material mixes with water after (operating) water nozzle, and its mixability is not so good as the former, but simple in structure, again based on the pure water jet apparatus, the more important thing is that its width of slit is relatively carefully narrow, and cutting accuracy is higher, therefore is most widely used.What therefore, the utility model was related is the hybrid-type device of feeding abrasive material under water in back.The back is hybrid to be to utilize the injection of high-pressure water jet to supply with abrasive material, is referred to as the injection type abradant jet abroad; Because of abrasive material is supplied with after (operating) water nozzle, the domestic back mixing abrasive jet stream that is referred to as.The hybrid feed in back is divided into two kinds of self-priming feed and compressed air feed again.Self-priming feed is the simplest feeding abrasive material mode.Its operation principle as shown in Figure 1.During work, through the aqueous medium of high-pressure water pipe 5 under the high pressure effect, form high-speed jet by (operating) water nozzle 1, and the certain vacuum of generation is aspirated abrasive material in the hybrid chamber 2 of abrasive jet, make the abrasive material in the abrasive material case 4 under the acting in conjunction of deadweight and pressure reduction, enter hybrid chamber 2 by the strength transportation, and violent turbulent fluctuation diffusion and blending take place with water jet, form abrasive water-jets by abrasive jet 3 again.The compressed air feed is that the compressed air that utilizes air compressor to produce is carried abrasive material.Operation principle as shown in Figure 2.During work, compressed air enters 6 fens two-way of entrance point, and one the tunnel delivers to abrasive can 8 tops behind pressure-reducing valve 7, and one the tunnel enters in the injector, and the abrasive material in the injection abrasive can 8 forms air and abrasive mixed interflow in device exit 11.Scheming last 9 is safety valve, and 10 is the abrasive material valve.Because entering in the carrier pipe is the mixture of air and abrasive material, air carries abrasive grain and enters shower nozzle, thereby guarantees evenly supply abrasive material continuously.Two kinds of feeding devices of above-mentioned self-priming feed and compressed air feed for non-submersion or the abradant jet that generally floods under water under the condition be feasible, but be infeasible under the high confining pressure condition under water.Because the existence of water is arranged, under the effect of high confining pressure, water can reflux to pour in down a chimney and enter in the abrasive material carrier pipe, and pipe is soaked, and damp sand occurs, stops up sand road, thereby influence the conveying of abrasive material.And, since abrasive material to be different from water gentle, not necessarily very sealing during valve-off, water under high pressure even can reflux and enter in the abrasive can makes abrasive material become wet, thereby influences the normal supply of abrasive material.
Summary of the invention
The purpose of this utility model is in order to overcome the shortcoming of existing feeding abrasive material device under water in using under high confining pressure condition under water, to provide a kind of back to mix the device of feeding abrasive material under water of the defeated material of dry type.
The technical solution of the utility model is achieved like this, and the feeding abrasive material device comprises abrasive can, Pressure gauge, air valve, abrasive material valve under water, be characterized in, abrasive can top be equipped with one the tunnel be used for airtight water tank in the compressed air piping that balances each other of high confining pressure; The bottom of abrasive can is taper, and increases by a hypanthium in order to drainage; On transfer pipeline, be equipped with in addition and be used for controlling the air valve that compressed air dries up the sediment transport pipe.
Our experiments show that the utility model is the device of feeding abrasive material under water that the defeated material of dry type is mixed in a kind of back, it has solved the feeding abrasive material of abrasive water jet under high ambient pressure under water effectively, has got rid of the phenomenon that backwater pours in down a chimney.
Description of drawings
Fig. 1 is the self-priming schematic diagram of device of feeding abrasive material under water;
Fig. 2 is the schematic diagram of device of feeding abrasive material under water of compressed air delivery;
Fig. 3 is a structural representation of the present utility model.
The specific embodiment
By shown in Figure 3, it comprises air compressor 12, check-valves 13, abrasive can 14, Pressure gauge 15, air valve 16, abrasive material valve 19 the utility model; Be characterized in, abrasive can 14 tops be equipped with one the tunnel be used for airtight water tank in the compressed air piping that balances each other of high confining pressure; The bottom of abrasive can 14 is taper, and increases by an abrasive material cup 17 in order to drainage; On transfer pipeline, be equipped with in addition and be used for controlling the air valve 18 that compressed air dries up the sediment transport pipe.
Claims (1)
1, a kind of device of feeding abrasive material under water, it comprises abrasive can (12), Pressure gauge (13), air valve (14), abrasive material valve (18); It is characterized in that, abrasive can (12) top be equipped with one the tunnel be used for airtight water tank in the compressed air piping that balances each other of high confining pressure; The bottom of abrasive can (12) is taper, and increases by an abrasive material cup (15) in order to drainage; On transfer pipeline (16), be equipped with in addition and be used for controlling the air valve (17) that compressed air dries up the sediment transport pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03229293 CN2625110Y (en) | 2003-03-07 | 2003-03-07 | Underwater abradant feeding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03229293 CN2625110Y (en) | 2003-03-07 | 2003-03-07 | Underwater abradant feeding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2625110Y true CN2625110Y (en) | 2004-07-14 |
Family
ID=34247252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03229293 Expired - Fee Related CN2625110Y (en) | 2003-03-07 | 2003-03-07 | Underwater abradant feeding apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2625110Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108381403A (en) * | 2018-02-09 | 2018-08-10 | 东北石油大学 | Grinding jet used for slit testing stand under the conditions of confining pressure |
| CN109262475A (en) * | 2018-11-22 | 2019-01-25 | 湖北航天技术研究院总体设计所 | Abrasive material filling apparatus |
-
2003
- 2003-03-07 CN CN 03229293 patent/CN2625110Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108381403A (en) * | 2018-02-09 | 2018-08-10 | 东北石油大学 | Grinding jet used for slit testing stand under the conditions of confining pressure |
| CN108381403B (en) * | 2018-02-09 | 2019-12-31 | 东北石油大学 | Abrasive jet slotting test bed under confining pressure condition |
| CN109262475A (en) * | 2018-11-22 | 2019-01-25 | 湖北航天技术研究院总体设计所 | Abrasive material filling apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |