CN2231721Y - Jet well pump set - Google Patents
Jet well pump set Download PDFInfo
- Publication number
- CN2231721Y CN2231721Y CN 95218415 CN95218415U CN2231721Y CN 2231721 Y CN2231721 Y CN 2231721Y CN 95218415 CN95218415 CN 95218415 CN 95218415 U CN95218415 U CN 95218415U CN 2231721 Y CN2231721 Y CN 2231721Y
- Authority
- CN
- China
- Prior art keywords
- jet injector
- water
- jet
- connecting tube
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model relates to a pump set used for a deep well in a jet injection type, which comprises a machine set on the upper portion of a well and a jet pump assembly on the lower portion of the well. The utility model is suitable for foundation engineering and can effectively pump deeper ground water when the foundation is dug. The ground water level is reduced and the depth of the ground water level can reach from 10 to 25 meters. The utility model can pump water and air and can continuously work. The utility model can play the function as a vacuum pump when pumps the air. The circumference of a filter pipe is vacuumized in order to pump the far water to enable the water to enter the jet pump and to be discharged. The utility model has simple installation, reliable work and convenient use.
Description
The utility model relates to deep-well pumping equipment, particularly a kind of deep-well pumping unit of Jet injector pattern.
The construction of tall building or urban operating mechanism often has the subsurface construction, and it has F3/B3, four layers even more, therefore in its basic engineering construction, needs the ground excavation is deep to more than 10 meters.Because when excavation, tomography is cut off, underground water is constantly gushed out, and has influenced construction, therefore,, avoid underground water to ooze out, need level of ground water is reduced in order to prevent slope collapse, generally be reduced under the degree of depth of excavation pit, can under the dry ground state, cut the earth like this, help construction.
At present, the pumping equipment of dewatering has mechanical type deep-well pump and jet-type suction pump.The mechanical type deep-well pump is divided into borehole shaft drivenpump and submersible pump, and the pump housing part of borehole shaft drivenpump is in the bottom, down-hole, and motor is placed on the ground, connects with axle between the two, and therefore axle is very long, needs segmentation to connect.This pump exist install complicated, strict, fault is more, inconvenient maintenance, wearing and tearing easily, motor dallies and shortcoming such as burns easily when anhydrous.The working condition of submersible pump and borehole shaft drivenpump are identical, although the pump housing and motor fuse, be placed in the bottom, down-hole, there has not been major axis, I﹠M has been brought convenience, but because pump is immersed in the water, very high to the seal request of motor, exist when anhydrous motor idle running equally and drawback such as burn easily.Above-mentioned two kinds of mechanical type deep-well pumps all need be equipped with bulky vacuum pump, trivial operations when work.
Though need not be equipped with vacuum pump during the work of jet-type suction pump, but since this pump be placed in ground, in the well point, place chimney filter, connect with pipeline between the two, and the degree of vacuum maximum that this pump causes has only a barometric pressure, about 10 meter water columns, so it aspirates phreatic maximum depth and only is 10 meters, so just limited precipitation depth, also just having limited the excavation of foundation pit degree of depth can only be less than 10 meter.
In order to overcome the deficiency that above-mentioned two class pumps exist, the purpose of this utility model provides a kind of jet deep-well pump unit, and it can aspirate darker underground water, can make precipitation depth reach 10-25 meters, and its reliable operation is easy to use.
The purpose of this utility model is achieved in that a kind of jet deep-well pump unit, and it comprises the Jet injector of being made up of a suction chamber, a nozzle and a diffuser pipe.Described Jet injector comprises that also one is positioned at the bend pipe that suction chamber is connected with nozzle, and the other end of bend pipe is the Jet injector water intake, and the upper end of diffuser pipe is the Jet injector water outlet, and the bottom of suction chamber then is the Jet injector water sucking mouth.Described Jet injector is installed in the well, and the chimney filter of a vertical device is housed below Jet injector, a safety check is housed together with connecting tube between the upper end of chimney filter and Jet injector water sucking mouth, and an adapter and a vacuum gauge also is housed on this connecting tube.Aboveground part comprises a base, a cyclic water tank that is provided with and a centrifugal pump on base, a spill pipe is equipped with in the upper end of cyclic water tank, the upper lateral part of cyclic water tank is equipped with a connecting tube and a water inlet valve, the water outlet of centrifugal pump is equipped with a connecting tube, one outlet valve and a pressure gauge are installed on connecting tube, a connecting tube is installed between cyclic water tank and centrifugal pump.One connecting tube is installed between centrifugal pump outlet valve and Jet injector water intake, between Jet injector water outlet and cyclic water tank water inlet valve, a connecting tube is installed also.
Aboveground part of the present utility model is a unit, and unit is laid on the ground, promptly is placed on by the foundation ditch that is excavated; The down-hole part is a Jet injector assembly, and it is placed in bottom in the well.The making of well requires: use the driling machine well bore, and about 500 millimeters of diameter, it is fixed that the degree of depth requires according to precipitation, is 15 meters as excavation pit, and well depth then is greater than 15 meters, is generally 18-20 meters.After well is drilled to, pour into 1 meter dark coarse sand earlier, put into the Jet injector assembly then, pipeline simultaneously extends.The Jet injector assembly is placed in the centre on the bottom sand face, pours into coarse sand at last in well, about 4 meters of the degree of depth, the Jet injector assembly is imbedded in the sand entirely fixing, and on sand with the earth envelope not until well head.The layout of well point is that area, the degree of depth, soil property, level of ground water height, precipitation depth and the amount of precipitation etc. according to foundation ditch are decided, and generally the distance between each well point is about 10-15 meters.
Below in conjunction with accompanying drawing the utility model is elaborated.
Accompanying drawing is a kind of structural representation of jet deep-well pump unit.
Referring to accompanying drawing, the Jet injector assembly of a kind of jet deep-well pump unit down-hole part comprises a Jet injector 9, a chimney filter 12, a safety check 11, a vacuum gauge 7 and a connecting tube.Jet injector 9 is made up of a suction chamber 14, a nozzle 15, a diffuser pipe 16 and a bend pipe 17, bend pipe 17 is positioned at suction chamber 14, the one end is connected with nozzle 15, the other end is a Jet injector water intake 13, the upper end of diffuser pipe 16 is Jet injector water outlets 8, and the bottom of suction chamber 14 then is Jet injector water sucking mouth 10.The chimney filter 12 of one vertical device is housed below Jet injector 9, one deck or multistorey strainer mesh at least are housed in the chimney filter 12.A safety check 11 is housed together with connecting tube between the upper end of chimney filter 12 and Jet injector water sucking mouth 10, also is equipped with one and takes over 18 and one vacuum gauge 7 on this connecting tube, vacuum gauge 7 is installed in abovegroundly by taking over 18, observes for operator.
The unit of the aboveground part of the utility model comprises a base 19, a cyclic water tank 2, a centrifugal pump 4, a pressure gauge 5 and a terminal valve.Cyclic water tank 2 and centrifugal pump 4 are installed on the base 19, and a connecting tube couples together cyclic water tank 2 and centrifugal pump 4.A spill pipe 1 is equipped with in the upper end of cyclic water tank 2, and the upper lateral part of cyclic water tank 2 is equipped with a connecting tube and a water inlet valve 3.The water outlet of centrifugal pump 4 is equipped with a connecting tube, and an outlet valve 6 and a pressure gauge 5 are installed on connecting tube.
One connecting tube 20 is installed between centrifugal pump outlet valve 6 and Jet injector water intake 13, a connecting tube 18 also is installed between Jet injector water outlet 8 and cyclic water tank water inlet valve 3.
Number in the figure 21 is an earth, the 22nd, and coarse sand, the 23rd, underground flow.
During use, in cyclic water tank 2, fill water, start centrifugal pump 4, open centrifugal pump outlet valve 6 and cyclic water tank water inlet valve 3, this moment, Jet injector 9 was started working, Jet injector water sucking mouth 10 enters underground water or air in the Jet injector 9 by chimney filter 12, and is discharged by Jet injector water outlet 8 together with periodic duty water, enters cyclic water tank 2.Because the water in the water tank is periodic duty, unnecessary water is just discharged by spill pipe and is entered sewerage, and the water yield of discharge equals the water yield that Jet injector sucks.Observe pressure gauge 5 and know that whether centrifugal pump 4 and Jet injector 9 work are normal, observe vacuum gauge 7 and know whether Jet injector 9 work are normal.During shutdown, safety check 11 has played effect, can avoid ducted water to return in the hole.
Working condition of the present utility model is when the suction degree of depth is 20 meters, and the suction water yield is 4.7 meters
3/ hour; When the suction degree of depth was 30 meters, the suction water yield was 3.7 meters
3/ hour.
Adopting the utility model is that a bite well is equipped with a unit and a Jet injector assembly, uses on-site flexibly, and performance guarantees, uses with different, does not all influence other well points.After boring, need not put into steel pipe, and directly chimney filter and Jet injector together be put into well, play a role in filtering equally, but simplify the structure, reduced cost.Because Jet injector is directly put into the well bottom, its suction inlet can directly suck the water in underground deep, and is discharged by outlet.Adopt structure of the present utility model and method, just be subjected to no longer being placed on that can only to aspirate the degree of depth on the ground at most be 10 meters restriction as Jet injector.
The utility model can absorb water and can be air-breathing, but continuous operation.Can play the vacuum pump effect during suck, make chimney filter cause vacuum on every side, thereby water is at a distance attracted to come to enter in the Jet injector also to discharge.Because underground water is generally all intermittent, such operating mode is unaffected to use of the present utility model, and other forms of deep-well pump then will be equipped with vacuum pump, and will shut down during underground water the same day, has therefore saved equipment, uses more convenient.
Claims (3)
1. jet deep-well pump unit, it comprises the Jet injector of being made up of a suction chamber, a nozzle and a diffuser pipe, it is characterized in that, described Jet injector comprises that also one is positioned at the bend pipe that suction chamber is connected with nozzle, the other end of bend pipe is the Jet injector water intake, the upper end of diffuser pipe is the Jet injector water outlet, and the bottom of suction chamber then is the Jet injector water sucking mouth; Described Jet injector is installed in the well, and the chimney filter of a vertical device is housed below Jet injector, a safety check is housed together with connecting tube between the upper end of chimney filter and Jet injector water sucking mouth, and an adapter and a vacuum gauge also is housed on this connecting tube; Aboveground part comprises a base, a cyclic water tank that on base, is provided with and a centrifugal pump, a spill pipe is equipped with in the upper end of cyclic water tank, the upper lateral part of cyclic water tank is equipped with a connecting tube and a water inlet valve, the water outlet of centrifugal pump is equipped with a connecting tube, one outlet valve and a pressure gauge are installed on connecting tube, a connecting tube is installed between cyclic water tank and centrifugal pump; One connecting tube is installed between centrifugal pump outlet valve and Jet injector water intake, between Jet injector water outlet and cyclic water tank water inlet valve, a connecting tube is installed also.
2. jet deep-well pump unit according to claim 1 is characterized in that, at least one metafiltration net is housed in the described chimney filter.
3. jet deep-well pump unit according to claim 1 is characterized in that described vacuum gauge is installed in aboveground by adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95218415 CN2231721Y (en) | 1995-07-13 | 1995-07-13 | Jet well pump set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95218415 CN2231721Y (en) | 1995-07-13 | 1995-07-13 | Jet well pump set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2231721Y true CN2231721Y (en) | 1996-07-24 |
Family
ID=33866964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95218415 Expired - Fee Related CN2231721Y (en) | 1995-07-13 | 1995-07-13 | Jet well pump set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2231721Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004097313A1 (en) * | 2003-04-30 | 2004-11-11 | Shengheng Xu | A single well type heat collecting system |
| WO2007073633A1 (en) * | 2005-12-29 | 2007-07-05 | Yangjiang Xinli Industrial Co., Ltd. | An improved jet well pump |
| CN102192159A (en) * | 2010-03-03 | 2011-09-21 | 张意立 | Ultra-small-bore deep-well water absorption device |
| CN102679429A (en) * | 2012-05-24 | 2012-09-19 | 秦剑 | Well-pump-less geothermal water heating method and system |
| CN103741703A (en) * | 2014-01-06 | 2014-04-23 | 化工部长沙设计研究院 | Water-filling type siphon drainage device applicable to radioactive well |
| CN104763642A (en) * | 2015-03-26 | 2015-07-08 | 江苏大学 | Jet pump device |
| WO2015173655A3 (en) * | 2014-04-24 | 2016-03-17 | Pumptek Asia Ltd. | Pumping system |
-
1995
- 1995-07-13 CN CN 95218415 patent/CN2231721Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004097313A1 (en) * | 2003-04-30 | 2004-11-11 | Shengheng Xu | A single well type heat collecting system |
| WO2007073633A1 (en) * | 2005-12-29 | 2007-07-05 | Yangjiang Xinli Industrial Co., Ltd. | An improved jet well pump |
| CN100436821C (en) * | 2005-12-29 | 2008-11-26 | 阳江市新力工业有限公司 | Deep-well pump molded by punching and welding |
| US8047806B2 (en) | 2005-12-29 | 2011-11-01 | Guangdong Winning Pumps Industrial Co., Ltd. | Jet well pump |
| CN102192159A (en) * | 2010-03-03 | 2011-09-21 | 张意立 | Ultra-small-bore deep-well water absorption device |
| CN102679429A (en) * | 2012-05-24 | 2012-09-19 | 秦剑 | Well-pump-less geothermal water heating method and system |
| CN102679429B (en) * | 2012-05-24 | 2014-12-03 | 秦剑 | Well-pump-less geothermal water heating method and system |
| CN103741703A (en) * | 2014-01-06 | 2014-04-23 | 化工部长沙设计研究院 | Water-filling type siphon drainage device applicable to radioactive well |
| CN103741703B (en) * | 2014-01-06 | 2016-01-20 | 化工部长沙设计研究院 | A kind of radial pumped well formula siphon drainage device |
| WO2015173655A3 (en) * | 2014-04-24 | 2016-03-17 | Pumptek Asia Ltd. | Pumping system |
| CN104763642A (en) * | 2015-03-26 | 2015-07-08 | 江苏大学 | Jet pump device |
| CN104763642B (en) * | 2015-03-26 | 2017-06-27 | 江苏大学 | A kind of jet pump device |
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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 |