CN202164594U - Automatic water injection device - Google Patents
Automatic water injection device Download PDFInfo
- Publication number
- CN202164594U CN202164594U CN2011202765423U CN201120276542U CN202164594U CN 202164594 U CN202164594 U CN 202164594U CN 2011202765423 U CN2011202765423 U CN 2011202765423U CN 201120276542 U CN201120276542 U CN 201120276542U CN 202164594 U CN202164594 U CN 202164594U
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Abstract
The utility model discloses an automatic water injection device which comprises an air compressor, a grouting pipe and a water injection pressure tank, wherein the grouting pipe is placed in a grouting hole, a water inlet pipe, an overflow pipe provided with an overflow ball valve and a water outlet pipe provided with a pressure-differential check valve are respectively arranged at the upper part, the middle part and the lower part of the water injection pressure tank, the water inlet pipe is connected with a water filling ball valve of a water supply source, the air compressor is connected with the water inlet pipe on the water injection pressure tank by a long rubber pipe through a first pipeline of an air delivery tee joint, a compressed air reducing valve and a one-path check valve are arranged on the first pipeline of the air delivery tee joint, a second pipeline of the air delivery tee joint is connected with an air delivery pipeline in the grouting pipe, and a two-path check valve and an air-water tee joint of the pressure-differential check valve are arranged on the second pipeline of the air delivery tee joint. With the adoption of the pressure-differential check valve, water can be automatically injected into the air delivery pipeline of the grouting pipe when a machine is stopped or a pipe is blasted, so that an accident of pipe blocking, which is caused by sudden crowding of mud and sand in the grouting hole into a spraying nozzle, is avoided; and the automatic water injection device has good effects on aspects of improving working efficiency and ensuring engineering quality and is applicable to sand and pebble layer and deep foundation engineering.
Description
Technical field
The utility model relates to the working subsequent use water injection equipment of foundation improvement high pressure jet grouting, particularly relates to a kind of automatic water filling device.
Background technology
High pressure jet grouting is a kind of construction technology that improves structure foundation; Its principle is to utilize engineering driller to be drilled to grout hole on ground; Place the underground predetermined degree of depth to the ejector (or claiming shower nozzle) that grout pipe and least significant end thereof have nozzle through grout hole again; With the water under high pressure or the broken soil body of high mud jacking jet cutting, and make it to mix, form ground lower plate, pile body with cement paste.High pressure jet grouting is divided into single pipe method, double-tube method and three pipe methods; Three kinds of worker's methods all have the unique function of not replacing; Wherein three pipes or double-tube method are promptly imported water under high pressure (slurry) and low pressure gas in three in grout pipe pipe or two pipes respectively on ground; Then sprayed by ejector, ejector is provided with water spray (slurry) mouth and coaxial ring jet mouth.During the high pressure jet grouting operation, grout pipe inserts in the underground grout hole, and the mud that returns up of stratum abrim all the time in the grout hole is far longer than the mud fluid column static pressure outside the grout pipe by air compressor machine air pressure in the gas pipeline in grout pipe.Yet when orderly closedown or airline hose booster, the gas pipeline pressure drop in the grout pipe is zero, and the outer portable silt particle of mud of pipe causes grout pipe obstruction accident from the air nozzle gas pipeline of crowding into.
The utility model content
The technical problem that the utility model will solve; Be air compressor machine shut down or airline hose booster moment just the gas pipeline in grout pipe press and annotate clear water; Till directly causing the air nozzle internal and external pressure balance with the outer mud static pressure of opposing pipe, avoid silt particle to pour grout pipe and the automatic water filling device of the plugging accident that takes place.
The technical scheme that adopts is:
Automatically water filling device comprises air compressor machine, puts into grout pipe, the water injection pressure jar of grout hole.The upper, middle and lower of described water injection pressure jar is respectively arranged with the water inlet pipe that connects watering water-filling ball valve, be provided with the overflow pipe of spilling water ball valve and be provided with the outlet pipe of differential non retern valve; Air compressor machine connects the water inlet pipe on the water injection pressure jar through pipeline through first pipeline of gas transmission threeway, the gas distribution channel in second pipeline connection grout pipe of gas transmission threeway.Said first pipeline through gas transmission threeway connection water inlet pipe is provided with compressed air reducing valve, one road non retern valve; Second pipeline that connects gas pipeline through the gas transmission threeway is provided with two road non retern valves and the air water threeway that is connected differential non retern valve.
Be connected through long length hose between above-mentioned gas transmission threeway and the air compressor machine.
Be connected through the short sebific duct in aperture between the gas pipeline on the second above-mentioned pipeline in air water threeway and the grout pipe.
The compressed air efferent duct of above-mentioned air compressor machine is provided with disappointing ball valve.
Be provided with pressure meter on above-mentioned air compressor machine and the water injection pressure jar.
Above-mentioned compressed air reducing valve inlet pressure (pressure) P is that 0.7Mpa, outlet pressure P-△ P are the 0.5Mpa reducing valve.
The spring that can produce the reverse pressure of 0.05Mpa is set on the valve of above-mentioned differential non retern valve, and the reverse pressure of then differential non retern valve is greater than the positive pressure valve closing; Forward and reverse pressure differential during greater than 0.05Mpa valve open, its pressure differential closed condition that valve is in during less than 0.05Mpa is so that keep the interior subsequent use water level of water injection pressure jar.
The silt particle plugging accident that air nozzle causes of crowding into suddenly in grout hole when the utility model has been avoided because of orderly closedown or booster fault; Aspect raising work efficiency and the assurance workmanship good effect is being arranged; Be applicable to sand and sand-pebble layer, be specially adapted to dark basic engineering.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Automatically water filling device comprises air compressor machine 23, puts into grout pipe 6, the water injection pressure jar 10 of grout hole 1.The upper, middle and lower of described water injection pressure jar 10 is respectively arranged with the water inlet pipe 11 that connects watering water-filling ball valve 12, be provided with the overflow pipe 8 of spilling water ball valve 7 and be provided with the outlet pipe 18 of differential non-return valve 17, and the compressed air efferent duct of air compressor machine 23 is provided with the ball valve 22 that loses heart.The compressed air efferent duct of air compressor machine 23 is connected with gas transmission threeway 20 through long length hose 21, the water inlet pipe 11 on first pipeline connection water injection pressure jar 10 of gas transmission threeway 20, the gas distribution channel 2 in second pipeline connection grout pipe 6 of gas transmission threeway 20.Said first pipeline that connects water inlet pipe 11 through gas transmission threeway 20 is provided with compressed air reducing valve 14 and one road non retern valve 13; Second pipeline that connects gas pipelines 2 through gas transmission threeway 20 is provided with two road non retern valves 19 and the air water threeway 16 that is connected differential non retern valve 17, and air water threeway 16 is lacked sebific duct 5 through the aperture again and is connected with gas pipeline 2 in the grout pipe 6 and communicates.Be respectively arranged with pressure meter 24 and pressure meter 9 on said air compressor machine 23 and the water injection pressure jar 10.Said compressed air reducing valve 14 inlet pressure P are 0.7Mpa, and outlet pressure P-△ P is 0.5Mpa.The spring that can produce the reverse pressure of 0.05Mpa is set on the valve of differential non retern valve 17, and the reverse pressure of then differential non retern valve is greater than the positive pressure valve closing; Forward and reverse pressure differential during greater than 0.05Mpa valve open, its pressure differential closed condition that valve is in during less than 0.05Mpa is so that keep the interior subsequent use water level of water injection pressure jar.
Operating principle
Opening water-filling ball valve 12 clear water before the normal grouting charges into to water injection pressure jar 10 through water inlet pipe 11; Directly causing jar interior water is overflowed by spilling water ball valve 7; Close valve spilling water ball valve 7 and water-filling ball valve 12 this moment; When differential around here non retern valve 17 is in closed condition grouting operation all the time; The compressed air of part 0.7Mpa is 0.5Mpa to 10 pressurizations of water injection pressure jar through reducing valve, and the compressed air of another part 0.7Mpa gets into the gas pipeline 2 in the grout pipe 6, and sprays to grout hole 1 sidewall and water under high pressure (slurry) jet by air nozzle 15 levels of lower end and converge and carry out the high pressure jet grouting operation.
When a normal shutdown and demolition grout pipe open when the pressure relief valve 22 and the long hose burst pipes etc and all the way to the compressor check valve 13 and check valve 19 Road between pipeline pressure drop to 0, then enclosed in a tube leading to the gas pipeline grouting pipes and pipelines 2 2 compressed air jet nozzle 15 by a pressure relief, pressure tank 10 when the water pressure and the pressure inside the pipeline pressure is greater than 2 0.05Mpa When pressure check valve 17 open water tee 16 by the gas pipeline 2 to automatically water, directly caused by grouting hole under the ground 4 within a mud (sand) pulp 3 hydrostatic pressure balance so far.
Claims (7)
1. automatic water filling device; Comprise air compressor machine (23), put into grout pipe (6), the water injection pressure jar (10) of grout hole (1); The upper, middle and lower that it is characterized in that described water injection pressure jar (10) is respectively arranged with the water inlet pipe (11) that connects watering water-filling ball valve (12), be provided with the overflow pipe (8) of spilling water ball valve (7) and be provided with the outlet pipe (18) of differential non retern valve (17); Air compressor machine (23) connects the water inlet pipe (11) on the water injection pressure jar (10) through pipeline through first pipeline of gas transmission threeway (20); Second pipeline through gas transmission threeway (20) connects the gas distribution channel (2) in the grout pipe (6), and first pipeline that connects water inlet pipe (11) through gas transmission threeway (20) is provided with compressed air reducing valve (14) and one road non retern valve (13); Second pipeline that connects gas pipeline (2) through gas transmission threeway (20) is provided with two road non retern valves (19) and the air water threeway (16) that is connected differential non retern valve (17).
2. automatic water filling device according to claim 1 is characterized in that being connected through long length hose (21) between described gas transmission threeway (20) and the air compressor machine (23).
3. automatic water filling device according to claim 1 is characterized in that being connected through the short sebific duct in aperture (5) between the gas pipeline (2) in the air water threeway (16) and grout pipe (6) on described second pipeline.
4. automatic water filling device according to claim 1 is characterized in that the compressed air efferent duct of described air compressor machine (23) is provided with disappointing ball valve (22).
5. automatic water filling device according to claim 1 is characterized in that being respectively arranged with on described air compressor machine (23) and the water injection pressure jar (10) pressure meter (24) and pressure meter (9).
6. according to claim 1 or 5 described automatic water filling devices, it is characterized in that described compressed air reducing valve inlet pressure P is that 0.7Mpa, outlet pressure P-△ P are 0.5Mpa.
7. automatic water filling device according to claim 1 is characterized in that the spring that can produce the reverse pressure of 0.05Mpa is set on described differential non retern valve (17) valve, and the reverse pressure of then differential non retern valve is greater than the positive pressure valve closing; Forward and reverse pressure differential during greater than 0.05Mpa valve open, its pressure differential closed condition that valve is in during less than 0.05Mpa is so that keep the interior subsequent use water level of water injection pressure jar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202765423U CN202164594U (en) | 2011-08-02 | 2011-08-02 | Automatic water injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202765423U CN202164594U (en) | 2011-08-02 | 2011-08-02 | Automatic water injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202164594U true CN202164594U (en) | 2012-03-14 |
Family
ID=45800433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202765423U Expired - Fee Related CN202164594U (en) | 2011-08-02 | 2011-08-02 | Automatic water injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202164594U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605761A (en) * | 2012-04-18 | 2012-07-25 | 新疆电力设计院 | Layering and humidifying construction method of foundation soil mass sand well |
| CN103362148A (en) * | 2012-04-10 | 2013-10-23 | 辽宁省水利水电科学研究院 | Pressure monitoring console |
| CN105938121A (en) * | 2016-05-26 | 2016-09-14 | 中国建筑第八工程局有限公司 | Water injection apparatus of acoustic pipes in steel pipe concrete column, and water injection method thereof |
-
2011
- 2011-08-02 CN CN2011202765423U patent/CN202164594U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362148A (en) * | 2012-04-10 | 2013-10-23 | 辽宁省水利水电科学研究院 | Pressure monitoring console |
| CN102605761A (en) * | 2012-04-18 | 2012-07-25 | 新疆电力设计院 | Layering and humidifying construction method of foundation soil mass sand well |
| CN105938121A (en) * | 2016-05-26 | 2016-09-14 | 中国建筑第八工程局有限公司 | Water injection apparatus of acoustic pipes in steel pipe concrete column, and water injection method thereof |
| CN105938121B (en) * | 2016-05-26 | 2019-07-30 | 中国建筑第八工程局有限公司 | The water filling device of sound detecting pipe and the method for water filling in steel core concrete column |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20120802 |