CN102787627A - Well-sinking and water-purifying method for river bank multilayer structure - Google Patents
Well-sinking and water-purifying method for river bank multilayer structure Download PDFInfo
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- CN102787627A CN102787627A CN2012103027789A CN201210302778A CN102787627A CN 102787627 A CN102787627 A CN 102787627A CN 2012103027789 A CN2012103027789 A CN 2012103027789A CN 201210302778 A CN201210302778 A CN 201210302778A CN 102787627 A CN102787627 A CN 102787627A
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- open caisson
- borehole wall
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
The invention relates to a well-sinking and water-purifying method for a river bank multilayer structure, wherein a water purifying building is composed of a cutting edge, a well wall, a bottom plate water-resisting layer, flared opening bases, flared opening water inlet tanks containing bosses, a pump set platform, a chlorine disinfection chamber, a power distribution duty room, a laboratory, a shallow type grit chamber. In an improved water purifying building, the cutting edge is sunk while earth is cut, when the cutting edge is sunk to a projected depth, the well wall is reinforced by a tons support, so that the well ring is not sunk, and the flared opening water inlet tanks containing the bosses can be conveniently installed. Prefabricated flared opening bases are arranged below the cutting edge, the flared opening water inlet tanks containing the bosses in a shape that an outer part is big and an inner part is small are installed between the flared opening bases, and then sand gravels outside a well are prevented from flocking into the well. A sunk well is not sunk due to the flared opening bases and a certain water depth is kept in the well and water can be easily pumped. In an installation process of the flared opening water inlet tanks containing the bosses, because the flared opening bases are provided with the bosses which are concave-convex coupled with the cutting edge, the flared opening bases can be conveniently installed, and workload is reduced and a sunk well is not inclined.
Description
Technical field
The present invention relates to a kind of method of water purification building water purification of novel band open caisson, the open caisson process for purifying water of limit, a kind of riverbank sandwich construction, it mainly is applicable to obtaining of public waterworks underground water source.
Background technology
ZL98110704.4 relates to a kind of open caisson construction method that the public waterworks underground water source is obtained that is used for, and the limit sank when this method was cut the earth sword pin/walling crib on the limit, when sinking down into the projected depth of regulation; Prefabricated water inlet bed course is placed on sword underfooting face; Be designed with the inner small and outside big boss horn mouth intake chamber intake chamber that contains on this water inlet bed course, prevented the outer sand gravel of well in well, to pour in thus, containing boss horn mouth intake chamber open caisson self is sunk after building; The water inlet position can be not blocked; Its aquifer yield increases about 50 percent than prior art, and can keep that certain depth of water is arranged in the well, is easy to draw water.But contain boss horn mouth intake chamber in this patent in installation process; Through regular meeting by the sword pin outside water flow pressure advance in the well, cause the front in installation and the drawback that the back is washed away, circulation repeatedly; The work flood tide is big; Sometimes form open caisson and tilt, cause the open caisson degree of depth to surpass design elevation and can't recover, make in the well anhydrous available.When containing the whole installation in position of boss horn mouth intake chamber, need carry out cement steel when repairing, be on the plane that contains boss horn mouth intake chamber, to go into method with the cement bar pouring because of what adopt, contains boss horn mouth intake chamber intake chamber and washed away by current owing to cement often bleeds; The cast difficulty; Especially when the water yield of open caisson was big, the cement that pours into was often contained boss horn mouth intake chamber intake chamber current and is washed away, and caused part to contain boss horn mouth intake chamber and poured in the well; And the formation domino effect; Make open caisson integral body sink down into the impervious layer below the design elevation, can't extricate oneself, all that has been achieved is spoiled to cause whole water intake engineering.
The water purification building technology that the inventor adopted in the past is to adopt sand pebble layer natural in the riverbed as the horn mouth pedestal all the time; Its know-why is: purification structures such as the open caisson → water purification building of design are arranged in the rivers bank, and when the pump assembly in the water purification building drew water, the water level in the open caisson produced and falls deeply; Because pressure conduction; Produce pressure differential between stream stage and the open caisson water level, in the sand pebble layer of bottom, riverbed, form low-pressure area, lure under the river and ooze; When passing top layer, riverbed sand pebble layer; Organic pollution in the water and impurity are by absorption of top layer, riverbed sand pebble layer and filtration, and the impurity such as filtrate on top layer, riverbed are washed away renewal by the river of dynamic variation again, year after year; Keep dynamic equilibrium, thus make the bottom, riverbed contain boss horn mouth intake chamber intake chamber sustainable, stably obtain high-quality tap water and supply with the user.So do not exist existing water works must adopt the step of aggegation, flocculation, coagulation, certain using value arranged.But the water purification building that the inventor adopted in the past technology is not because adopt the disinfection measure in tap water; Resulting filtered water sometimes is difficult to reach the standard of drinking water; Usually can only be as industrial water use; Drinking Water is often existed the phenomenons that exceed standard such as bacterium, virus, therefore the standardization sterilization to water can not have a bit absent-mindedness.
The water purification building technology that adopted in the past comprises " a kind of rectangle infitration galleries construction method of stabilizing water quantity " that " a kind of open caisson construction method of stabilizing water quantity " of patent CN1228495C bulletin formerly and patent CN100564702C formerly announce etc.
Summary of the invention
The technical problem that the present invention will solve provides the open caisson process for purifying water of limit, a kind of riverbank sandwich construction, thereby obtains the purpose of pure living water use.
Technical scheme of the present invention is following:
The most crucial technical essential of the present invention is:
1, the sword pin is provided with groove, and the horn mouth pedestal is provided with boss, is concavo-convex coupling between sword pin and the horn mouth pedestal.
2, the base plate water barrier changes the strong base plate water barrier of sealing into by sandy gravel, makes gravel can't get into open caisson, has guaranteed the quality of water.The base plate water barrier has shallow formula grit chamber, is shaped as pan bottom shape, can be used for the little gravel of deposit seed.
3, ten thousand tons of holders of use are reinforced when open caisson: reinforce the boreholes wall with ten thousand tons of holders, make walling crib can not sink, help installation and contain boss horn mouth intake chamber.
4, the borehole wall is provided with a plurality of horn mouth intake chambers in the open caisson; The horn mouth intake chamber is the good integral body of cast; The open caisson inwall is provided with the horn mouth of osculum, and in use as delivery port, the open caisson outer wall is provided with big mouthful horn mouth; In use, increased the aquifer yield of open caisson as water inlet.
The open caisson process for purifying water of limit, a kind of riverbank sandwich construction comprises sword pin, the borehole wall, base plate water barrier, horn mouth pedestal, contains boss horn mouth intake chamber, borehole wall horn mouth intake chamber, pump assembly platform, chlorination chamber, distribution janitor's room and chemical laboratory, Xiu Xi observation tower, shallow formula grit chamber; Wherein: Xiu Xi observation tower is on the chemical laboratory, and top for water purification building, the chemical laboratory is arranged on the distribution janitor's room; The distribution janitor's room is arranged on the chlorination chamber, the pump assembly platform in open caisson, be positioned at the chlorination chamber below, pump assembly platform two ends are equipped with suction water pipe; The borehole wall links to each other with the sword pin, and borehole wall horn mouth intake chamber is located on the borehole wall, and the bottom of sword pin links to each other with the horn mouth pedestal; The borehole wall is connected with the horn mouth pedestal through the sword pin; The horn mouth pedestal is arranged on the base plate water barrier, and the base plate water barrier is located on the shallow formula grit chamber, and the horn mouth pedestal is made up of a plurality of boss horn mouth intake chambers that contain.
The open caisson process for purifying water of limit, a kind of riverbank sandwich construction comprises sword pin, the borehole wall, base plate water barrier, horn mouth pedestal, contains boss horn mouth intake chamber, borehole wall horn mouth intake chamber, pump assembly platform, chlorination chamber, distribution janitor's room, chemical laboratory, Xiu Xi observation tower, shallow formula grit chamber; Wherein: the sword pin is provided with groove, and the horn mouth pedestal is provided with boss, is concavo-convex coupling between sword pin and the horn mouth pedestal.
The open caisson process for purifying water of limit, a kind of riverbank sandwich construction, wherein: the chlorination chamber is positioned at the position of open caisson top.
The open caisson process for purifying water of limit, a kind of riverbank sandwich construction, wherein: chlorine dioxide generating device is adopted in the chlorination chamber.
The open caisson process for purifying water of limit, a kind of riverbank sandwich construction, wherein: water purification building is arranged on the open caisson, the chlorination chamber, the distribution janitor's room, the chemical laboratory, Xiu Xi observation tower can be arranged in the water purification building.
The open caisson process for purifying water of limit, a kind of riverbank sandwich construction, wherein: open caisson adopts following steps to construct and get:
Cut the earth: soil layer or sandy gravel layer are dug to projected depth; The horn mouth pedestal that band is contained boss horn mouth intake chamber be arranged on the sword pin below;
The sword pin is made: at first carry out the sword pin at the well-digging position, begin then to cut the earth, dig to a certain degree, the sword pin can sink with deadweight, and heavy while digging like this, the sword underfooting is sink to below ground;
The borehole wall is made: walling crib sinks to the projected depth of regulation, and walling crib is formed the borehole wall;
Ten thousand tons of holders are reinforced: ten thousand tons of holders are made up of reinforcing bar rope, axle, steel pipe and seat cushion, reinforce the borehole wall with ten thousand tons of holders, make the borehole wall can not sink, and help installing the horn mouth pedestal.
Containing boss horn mouth intake chamber makes and install: on the horn mouth pedestal, be designed with the inner small and outside big boss horn mouth intake chamber that contains, what this contained boss horn mouth intake chamber is shaped as the rectangular horn shape, and its inner width is 1 centimetre-3 centimetres, the height h of horn mouth pedestal
1It is 20 centimetres-50 centimetres; The high h of boss on the horn mouth pedestal
2Be 3 centimetres-5 centimetres, the bottom of boss all is 10 centimetres-14 centimetres to the two back gauge k at horn mouth pedestal top.
The size contrast table:
Table 1
| h 1 | h 2 | k |
| 25cm | 4cm | 12cm |
Press the data of table 1 and build, the sampling band of 10 * 100cm of horn mouth pedestal below does not find that after 1 year the crack is an optimum size.
Table 2
| h 1 | h 2 | k |
| 15cm | 1cm | 8cm |
Press the data of table 2 and build, because discontinuity, the sampling band of 10 * 100cm of horn mouth pedestal below has been found crack, 12 road after three months.
Table 3
| h 1 | h 2 | k |
| 80cm | 18cm | 25cm |
Press the data of table 3 and build, the engineering time prolongs 2-3 doubly, and cost increases 1.5-3.5 doubly, and the difficulty of concavo-convex coupling strengthens.
6-6, pump foundation water pump are installed: the pump assembly platform is installed in open caisson;
6-7, the fabrication and installation of open caisson surface layer layer: on open caisson, designed the sandwich construction factory building, significantly reduced land area, practiced thrift the soil.
The open caisson process for purifying water of limit, a kind of riverbank sandwich construction, wherein: shallow formula sand setting layer is a pan bottom shape, the base plate water barrier is located on the shallow formula grit chamber of pan bottom shape.Working measure such as need not to fetch earth, construction is simple, convenient; Construction investment is few, practices thrift cost, practices thrift investment; Help the open caisson sand setting, purify waste water.
The open caisson process for purifying water of limit, a kind of riverbank sandwich construction; Wherein: the water in the river course gets in the open caisson through the boss horn mouth intake chamber that contains in base plate water barrier and the horn mouth pedestal; The disinfectant of importing in the filter-sterilized chamber can fully react with water in purifying open caisson, improves the effect of disinfection.Water after disinfection finishes continues to draw water through the pump assembly platform, is delivered to the user through outlet pipe again.
Improved characteristics are following:
Concavo-convex coupling characteristics contrast table before and after water purification building improves
| ? | Before the improvement | After the improvement |
| Need cast | Be | Not |
| The dislocation drift | Be | Not |
| Construction risk | Be | Not |
| Cause open caisson to tilt | Be | Not |
Shallow formula grit chamber characteristics contrast table before and after water purification building improves
| ? | Before the improvement | After the improvement |
| Reduce operation | Not | Be |
| The water degree of purification is high | Not | Be |
The open caisson process for purifying water of limit, a kind of riverbank sandwich construction, wherein: at the pump assembly platform of open caisson half bottom design, for what seal.Horizontal centrifugal water pump can be installed,, need not to add the vacuum pump diversion because the pump machine platform is located at the fair position of dynamic water level.Easy to use, easy to maintenance.
The open caisson process for purifying water of limit, a kind of riverbank sandwich construction; Wherein: ten thousand tons of holders are made up of reinforcing bar rope, axle, steel pipe and seat cushion; The bottom of axle links to each other with the base plate water barrier, and the top of reinforcing bar rope links to each other with the top of axle, and the bottom of reinforcing bar rope links to each other with steel pipe; Steel pipe links to each other with seat cushion, and seat cushion links to each other with the bottom of the borehole wall.
The open caisson process for purifying water of limit, a kind of riverbank sandwich construction, wherein: the borehole wall is provided with a plurality of borehole wall horn mouth intake chambers in the open caisson, and borehole wall horn mouth intake chamber is the good integral body of cast.Every square metre is provided with, be the horn mouth of osculum on the open caisson inwall, in use as delivery port, be the horn mouth of mouth greatly on the open caisson outer wall, and in use as water inlet, the increase of horn mouth intake chamber makes the aquifer yield of open caisson increase 30%-50%.
The invention has the advantages that: water purification building has adopted sword pin, the borehole wall, base plate water barrier, horn mouth pedestal, has contained the combination of boss horn mouth intake chamber, pump assembly platform, chlorination chamber, distribution janitor's room, chemical laboratory, shallow formula grit chamber; Water purification building after the improvement; The limit sank when the sword pin was cut the earth on the limit, when sinking down into the projected depth of regulation, used ten thousand tons of holders to reinforce the borehole wall; Make walling crib can not sink, help installation and contain boss horn mouth intake chamber.Prefabricated horn mouth pedestal is placed on sword underfooting face; Be provided with the inner small and outside big boss horn mouth intake chamber intake chamber that contains between the horn mouth pedestal; Prevented the outer sand gravel of well in well, to pour in thus; The horn mouth pedestal can not make open caisson self sink, and can keep that certain depth of water is arranged in the well, is easy to draw water.Contain boss horn mouth intake chamber in installation process, because the horn mouth pedestal is provided with boss and the sword pin can concavo-convexly be coupled, be beneficial to installation, installation process is simple, does not need cast, and workload reduces, and open caisson is tilted.The base plate water barrier changes the strong base plate water barrier of sealing into by sandy gravel, makes gravel can't get into open caisson, has guaranteed the quality of water.The base plate water barrier has shallow formula grit chamber, is shaped as pan bottom shape, can be used for the little gravel of deposit seed.
Before the water purification building output water, reached 30 minutes the sterilization requirement of being no less than time of contact, through shallow formula sand setting layer by the output water of national regulation and liquid chlorine; Be transported to the user by pump assembly again; Need not technological processes such as secondary water lift, per ten thousand tons of water economize on electricity consumption 750 degree need not expropriation of land.The present invention at first is provided with open caisson, open caisson because river that water purification building arrange all have rational gradient from bank along the river along updrift side at selected water purification building, at water purification building the chlorination chamber is installed, is delivered to thimerosal the sterilization chlorination room, then through the open caisson that gets into water purification building in, finally by the disposable user of being delivered to of supply-water pump unit.
Description of drawings
Fig. 1 is a sketch map of the present invention;
Fig. 2 is the sectional view of drainage pad of the present invention;
Fig. 3 is the sword pin and contains the sketch map that boss horn mouth water inlet groove face is coupled;
Fig. 4 is the front schematic view of ten thousand tons of holders in open caisson;
Fig. 5 is the vertical view of ten thousand tons of holders;
Fig. 6 is an open caisson inwall horn mouth water outlet generalized section;
Fig. 7 is an open caisson outer wall horn mouth water inlet generalized section.
Reference numeral: comprise sword pin 1, the borehole wall 2, base plate water barrier 3, horn mouth pedestal 4, contain that boss contains boss horn mouth intake chamber 4-1, contains boss horn mouth intake chamber 4-2, pump assembly platform 5, the riverbed water surface 6, chlorination chamber 7, distribution janitor's room 8, chemical laboratory 9, not cease observation tower 10, shallow formula grit chamber 11, reinforcing bar rope 12, axle 13, steel pipe 14, seat cushion 15.
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation:
The specific embodiment
The open caisson process for purifying water of embodiment 1, limit, a kind of riverbank sandwich construction comprises sword pin 1, the borehole wall 2, base plate water barrier 3, horn mouth pedestal 4, contains boss horn mouth intake chamber 4-1, borehole wall horn mouth intake chamber 4-2, pump assembly platform 5, chlorination chamber 7, distribution janitor's room 8 and chemical laboratory 9, Xiu Xi observation tower 10, shallow formula grit chamber 11; Wherein: Xiu Xi observation tower 10 is on chemical laboratory 9, and top for water purification building, chemical laboratory 9 is arranged on the distribution janitor's room 8; Distribution janitor's room 8 is arranged on the chlorination chamber 7, pump assembly platform 5 in open caisson, be positioned at chlorination chamber 7 below, pump assembly platform two ends are equipped with suction water pipe; The borehole wall 2 links to each other with sword pin 1, and borehole wall horn mouth intake chamber 4-2 is located on the borehole wall 2, and the bottom of sword pin 1 links to each other with horn mouth pedestal 4; The borehole wall 2 is connected with horn mouth pedestal 4 through sword pin 1; Horn mouth pedestal 4 is arranged on the base plate water barrier 3, and base plate water barrier 3 is located on the shallow formula grit chamber 11, and horn mouth pedestal 4 is made up of a plurality of boss horn mouth intake chamber 4-1 that contain.
The open caisson process for purifying water of embodiment 2, limit, a kind of riverbank sandwich construction comprises sword pin 1, the borehole wall 2, base plate water barrier 3, horn mouth pedestal 4, contains boss horn mouth intake chamber 4-1, borehole wall horn mouth intake chamber 4-2, pump assembly platform 5, chlorination chamber 7, distribution janitor's room 8, chemical laboratory 9, Xiu Xi observation tower 10, shallow formula grit chamber 11; Wherein: sword pin 1 is provided with groove, and horn mouth pedestal 4 is provided with boss, is concavo-convex coupling between sword pin 1 and the horn mouth pedestal 4.All the other are with embodiment 1.
The open caisson process for purifying water of embodiment 3, limit, a kind of riverbank sandwich construction, wherein: chlorination chamber 7 is positioned at the position of open caisson top.All the other are with embodiment 1.
The open caisson process for purifying water of embodiment 4, limit, a kind of riverbank sandwich construction, wherein: chlorine dioxide generating device is adopted in chlorination chamber 7.All the other are with embodiment 1 or 3.
The open caisson process for purifying water of embodiment 5, limit, a kind of riverbank sandwich construction, wherein: water purification building is arranged on the open caisson, chlorination chamber 7, distribution janitor's room 8, chemical laboratory 9, Xiu Xi observation tower 10 can be arranged in the water purification building.All the other are with embodiment 1.
The open caisson process for purifying water of embodiment 6, limit, a kind of riverbank sandwich construction, wherein: open caisson adopts following steps to construct and get:
6-1, shoveling: soil layer or sandy gravel layer are dug to projected depth; The horn mouth pedestal 4 that band is contained boss horn mouth intake chamber 4-1 be arranged on sword pin 1 below;
6-2, sword pin 1 are made: at first carry out sword pin 1 at the well-digging position, begin then to cut the earth, dig to a certain degree, sword pin 1 can sink with deadweight, and heavy while digging like this, sword pin 1 sinks down into below ground;
6-3, the borehole wall 2 are made: walling crib sinks to the projected depth of regulation, and walling crib is formed the borehole wall 2;
6-4, ten thousand tons of holders are reinforced: ten thousand tons of holders are made up of reinforcing bar rope 12, axle 13, steel pipe 14 and seat cushion 15, reinforce the borehole wall 2 with ten thousand tons of holders, make the borehole wall 2 can not sink, and help installing horn mouth pedestal 4.
6-5, contain boss horn mouth intake chamber 4-1 and make and install: on horn mouth pedestal 4, be designed with the inner small and outside big boss horn mouth intake chamber 4-1 that contains; What this contained boss horn mouth intake chamber 4-1 is shaped as the rectangular horn shape; Its inner width is 1 centimetre-3 centimetres, the height h of horn mouth pedestal 4
1It is 20 centimetres-50 centimetres; The high h of boss on the horn mouth pedestal 4
2 Be 3 centimetres-5 centimetres, the bottom of boss all is 10 centimetres-14 centimetres to the two back gauge k at horn mouth pedestal 4 tops.
The size contrast table:
Table 1
| h 1 | h 2 | k |
| 25cm | 4cm | 12cm |
Press the data of table 1 and build, the sampling band of 10 * 100cm of horn mouth pedestal 4 belows does not find that after 1 year the crack is an optimum size.
Table 2
| h 1 | h 2 | k |
| 15cm | 1cm | 8cm |
Press the data of table 2 and build, because discontinuity, the sampling band of 10 * 100cm of horn mouth pedestal 4 belows has been found crack, 12 road after three months.
Table 3
| h 1 | h 2 | k |
| 80cm | 18cm | 25cm |
Press the data of table 3 and build, the engineering time prolongs 2-3 doubly, and cost increases 1.5-3.5 doubly, and the difficulty of concavo-convex coupling strengthens.
6-6, pump foundation water pump are installed: pump assembly platform 5 is installed in open caisson;
6-7, the fabrication and installation of open caisson surface layer layer: on open caisson, designed the sandwich construction factory building, significantly reduced land area, practiced thrift the soil.All the other are with embodiment 1 or 2.
The open caisson process for purifying water of embodiment 7, limit, a kind of riverbank sandwich construction, wherein: shallow formula sand setting layer 11 is a pan bottom shape, base plate water barrier 3 is located on the shallow formula grit chamber 11 of pan bottom shape.Working measure such as need not to fetch earth, construction is simple, convenient; Construction investment is few, practices thrift cost, practices thrift investment; Help the open caisson sand setting, purify waste water.All the other are with embodiment 1.
The open caisson process for purifying water of embodiment 8, limit, a kind of riverbank sandwich construction; Wherein: the water in the river course gets in the open caisson through the boss horn mouth intake chamber 4-1 that contains in base plate water barrier 3 and the horn mouth pedestal 4; The disinfectant of input can fully react with water in purifying open caisson in the filter-sterilized chamber 7, improves the effect of disinfection.Water after disinfection finishes continues to draw water through pump assembly platform 5, is delivered to the user through outlet pipe again.
Improved characteristics are following:
Concavo-convex coupling characteristics contrast table before and after water purification building improves
| ? | Before the improvement | After the improvement |
| Need cast | Be | Not |
| The dislocation drift | Be | Not |
| Construction risk | Be | Not |
| Cause open caisson to tilt | Be | Not |
Shallow formula grit chamber characteristics contrast table before and after water purification building improves
| ? | Before the improvement | After the improvement |
| Reduce operation | Not | Be |
| The water degree of purification is high | Not | Be |
All the other are with embodiment 1.
The open caisson process for purifying water of embodiment 9, limit, a kind of riverbank sandwich construction, wherein: at the pump assembly platform 5 of open caisson half bottom design, for what seal.Horizontal centrifugal water pump can be installed,, need not to add the vacuum pump diversion because the pump machine platform is located at the fair position of dynamic water level.Easy to use, easy to maintenance.All the other are with embodiment 1.
The open caisson process for purifying water of embodiment 10, limit, a kind of riverbank sandwich construction; Wherein: ten thousand tons of holders are made up of reinforcing bar rope 12, axle 13, steel pipe 14 and seat cushion 15; The bottom of axle 13 links to each other with base plate water barrier 3, and the top of reinforcing bar rope 12 links to each other with the top of axle 13, and the bottom of reinforcing bar rope 12 links to each other with steel pipe 14; Steel pipe 14 links to each other with seat cushion 15, and seat cushion 15 links to each other with the bottom of the borehole wall 2.All the other are with embodiment 1 or 6.
The open caisson process for purifying water of embodiment 11, limit, a kind of riverbank sandwich construction, wherein: the borehole wall 2 is provided with a plurality of borehole wall horn mouth intake chamber 4-2 in the open caisson, and borehole wall horn mouth intake chamber 4-2 is the good integral body of cast.Every square metre is provided with 2-3; Being the horn mouth of osculum on the open caisson inwall, in use as delivery port, is big mouthful horn mouth on the open caisson outer wall; In use as water inlet, the increase of horn mouth intake chamber 4-2 makes the aquifer yield of open caisson increase 30%-50%.All the other are with embodiment 1 or 6.
Claims (10)
1. the open caisson process for purifying water of limit, riverbank sandwich construction comprises sword pin (1), the borehole wall (2), base plate water barrier (3), horn mouth pedestal (4), contains boss horn mouth intake chamber (4-1), borehole wall horn mouth intake chamber (4-2), pump assembly platform (5), chlorination chamber (7), distribution janitor's room (8) and chemical laboratory (9), not ceases observation tower (10), shallow formula grit chamber (11); It is characterized in that: Xiu Xi observation tower (10) on chemical laboratory (9), top for water purification building, chemical laboratory (9) are arranged on the distribution janitor's room (8); Distribution janitor's room (8) is arranged on the chlorination chamber (7); Pump assembly platform (5) is positioned at the below of chlorination chamber (7) in open caisson, pump assembly platform two ends are equipped with suction water pipe, and the borehole wall (2) links to each other with sword pin (1); Borehole wall horn mouth intake chamber (4-2) is located on the borehole wall (2); The bottom of sword pin (1) links to each other with horn mouth pedestal (4), and the borehole wall (2) is connected with horn mouth pedestal (4) through sword pin (1), and horn mouth pedestal (4) is arranged on the base plate water barrier (3); Base plate water barrier (3) is located on the shallow formula grit chamber (11), and horn mouth pedestal (4) is made up of a plurality of boss horn mouth intake chambers (4-1) that contain.
2. the open caisson process for purifying water of limit, a kind of riverbank as claimed in claim 1 sandwich construction comprises sword pin (1), the borehole wall (2), base plate water barrier (3), horn mouth pedestal (4), contains boss horn mouth intake chamber (4-1), borehole wall horn mouth intake chamber (4-2), pump assembly platform (5), chlorination chamber (7), distribution janitor's room (8), chemical laboratory (9), Xiu Xi observation tower (10), shallow formula grit chamber (11); It is characterized in that: sword pin (1) is provided with groove, and horn mouth pedestal (4) is provided with boss, is concavo-convex coupling between sword pin (1) and the horn mouth pedestal (4).
3. the open caisson process for purifying water of limit, a kind of riverbank as claimed in claim 1 sandwich construction is characterized in that: chlorination chamber (7) are positioned at the position of open caisson top.
4. like the open caisson process for purifying water of claim 1 or limit, 3 described a kind of riverbank sandwich construction, it is characterized in that: chlorine dioxide generating device is adopted in chlorination chamber (7).
5. the open caisson process for purifying water of limit, a kind of riverbank as claimed in claim 1 sandwich construction; It is characterized in that: water purification building is arranged on the open caisson, chlorination chamber (7), distribution janitor's room (8); Chemical laboratory (9), Xiu Xi observation tower (10) can be arranged in the water purification building.
6. according to claim 1 or claim 2 the open caisson process for purifying water of limit, a kind of riverbank sandwich construction, it is characterized in that: open caisson adopts following steps to construct and get:
6-1, shoveling: soil layer or sandy gravel layer are dug to projected depth; The horn mouth pedestal (4) that band is contained boss horn mouth intake chamber (4-1) be arranged on sword pin (1) below;
6-2, sword pin (1) are made: at first carry out sword pin (1) at the well-digging position, begin then to cut the earth, dig to a certain degree, sword pin (1) can sink with deadweight, and heavy while digging like this, sword pin (1) sinks down into below ground;
6-3, the borehole wall (2) are made: walling crib sinks to the projected depth of regulation, and walling crib is formed the borehole wall (2);
6-4, ten thousand tons of holders are reinforced: ten thousand tons of holders are made up of reinforcing bar rope (12), axle (13), steel pipe (14) and seat cushion (15), reinforce the borehole wall (2) with ten thousand tons of holders, make the borehole wall (2) can not sink, and help installing horn mouth pedestal (4);
6-5, contain boss horn mouth intake chamber (4-1) and make and install: on horn mouth pedestal (4), be designed with the inner small and outside big boss horn mouth intake chamber (4-1) that contains; What this contained boss horn mouth intake chamber (4-1) is shaped as the rectangular horn shape; Its inner width is 1 centimetre-3 centimetres, the height h of horn mouth pedestal (4)
1It is 20 centimetres-50 centimetres; The high h of boss on the horn mouth pedestal (4)
2Be 3 centimetres-5 centimetres, the bottom of boss all is 10 centimetres-14 centimetres to the two back gauge k at horn mouth pedestal (4) top;
6-6, pump foundation water pump are installed: pump assembly platform (5) is installed in open caisson.
7. the open caisson process for purifying water of limit, a kind of riverbank as claimed in claim 1 sandwich construction, it is characterized in that: shallow formula sand setting layer (11) is a pan bottom shape, and base plate water barrier (3) is located on the shallow formula grit chamber (11) of pan bottom shape.
8. the open caisson process for purifying water of limit, a kind of riverbank as claimed in claim 1 sandwich construction is characterized in that: at the pump assembly platform (5) of open caisson half bottom design, for what seal.
9. like the open caisson process for purifying water of claim 1 or limit, 6 described a kind of riverbank sandwich construction; It is characterized in that: ten thousand tons of holders are made up of reinforcing bar rope (12), axle (13), steel pipe (14) and seat cushion (15); The bottom of axle (13) links to each other with base plate water barrier (3), and the top of reinforcing bar rope (12) links to each other with the top of axle (13), and the bottom of reinforcing bar rope (12) links to each other with steel pipe (14); Steel pipe (14) links to each other with seat cushion (15), and seat cushion (15) links to each other with the bottom of the borehole wall (2).
10. like the open caisson process for purifying water of claim 1 or limit, 6 described a kind of riverbank sandwich construction, it is characterized in that: the borehole wall in the open caisson (2) is provided with a plurality of borehole wall horn mouth intake chambers (4-2), and borehole wall horn mouth intake chamber (4-2) is the good integral body of cast.
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| CN2012103027789A CN102787627B (en) | 2012-08-24 | 2012-08-24 | Well-sinking for river bank multilayer structure |
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| CN2012103027789A CN102787627B (en) | 2012-08-24 | 2012-08-24 | Well-sinking for river bank multilayer structure |
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| CN102787627B CN102787627B (en) | 2013-12-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424496A (en) * | 2019-07-15 | 2019-11-08 | 上海市水利工程设计研究院有限公司 | A kind of change off land deep water water-fetching head structure structure and its construction method |
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| CN110424496A (en) * | 2019-07-15 | 2019-11-08 | 上海市水利工程设计研究院有限公司 | A kind of change off land deep water water-fetching head structure structure and its construction method |
| CN110424496B (en) * | 2019-07-15 | 2024-03-15 | 上海市水利工程设计研究院有限公司 | Offshore deep water intake head structure and construction method thereof |
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| CN102787627B (en) | 2013-12-18 |
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