CN214245677U - Tesla valve type drain board - Google Patents
Tesla valve type drain board Download PDFInfo
- Publication number
- CN214245677U CN214245677U CN202022366653.5U CN202022366653U CN214245677U CN 214245677 U CN214245677 U CN 214245677U CN 202022366653 U CN202022366653 U CN 202022366653U CN 214245677 U CN214245677 U CN 214245677U
- Authority
- CN
- China
- Prior art keywords
- tesla valve
- air
- drain
- tesla
- branch pipe
- 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.)
- Active
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a tesla valve formula drain bar, including the air supply unit, the air supply unit is through air supply gas-supply pipe, the drain bar core is connected to the shunt, the complex body is constituteed with the filter membrane to the drain bar core, drain bar core both sides outer wall surface forms the water drainage tank, the inside vertical tesla valve of arranging of water drainage tank that corresponds of drain bar core, the asymmetric trompil of water drainage tank bottom, tesla valve top is equipped with the air inlet, the inside air guide channel that is of tesla valve, set up the wind hole on the air guide channel outer wall, the wind hole is connected with the branch pipe one end of taking the membrane of falling, the branch pipe other end bonds with the hole of water drainage tank bottom. The gas flow enters from the Tesla valve in the positive direction, is accelerated by the Tesla valve and is sprayed out from a copolymerization propylene branch pipe port with a reverse film; the air flow sprayed out with higher speed acts on the soil particles blocking the drainage grooves and the filter membrane through the asymmetric small holes on the drainage plate, has a pushing effect on the soft clay particles on the drainage plate, and solves the problem that the drainage grooves are easy to be sunk due to the weak lateral pressure resistance of the filter membrane.
Description
Technical Field
The utility model relates to a civil engineering technical field, in particular to tesla valve formula drain bar.
Background
Drainage plates for soft ground consolidation have been widely used in soft ground treatment and reclamation works. However, in the construction process, the filter membrane is partially separated from the drainage plate due to the insertion operation of the plate inserting machine during construction, and soft soil easily enters the drainage plate core from the separation area, so that the plate core is blocked. And secondly, the filter membrane is only simply coated on the surface of the drainage plate core, and the tightening force of the filter membrane is poor, so that the lateral pressure resistance of the filter membrane is weak, depressions are easily generated at all drainage grooves, the water flow of the drainage plate is reduced due to the depressions of the filter membrane, and the solidification speed and the solidification effect of the sludge are influenced. Finally, the soft soil particles are extremely fine and have high viscosity, and small particles are easy to gather near the vertical drainage plate along with the seepage of pore water and form a hard sludge layer on the surface, so that the drainage plate is seriously clogged, and the problems of low post-treatment efficiency, unobvious treatment effect and the like are caused.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a simple structure, safe and reliable's tesla valve formula drain bar.
The utility model provides a technical scheme of above-mentioned problem is: a Tesla valve type drain board comprises an air source device, Tesla valves, branch pipes, a drain board core and filter membranes, wherein the air source device is connected with inlets of a plurality of flow dividers through an air source gas conveying pipe, an outlet of each flow divider is connected with one drain board core, the filter membranes are arranged outside the drain board cores, the drain board cores and the filter membranes form a complex body, a plurality of partition boards are arranged on the outer wall surfaces of two sides of each drain board core so as to form a plurality of drain grooves, a Tesla valve is vertically arranged in each drain groove corresponding to the inner part of each drain groove, the bottoms of the drain grooves on two sides of each drain board core are asymmetrically provided with holes, the top of each Tesla valve is provided with an air inlet, an air guide channel is arranged in each Tesla valve, an air hole is formed in the outer wall of the air guide channel, the air hole is connected with one end of each branch pipe with a reverse membrane, and the other end of each branch pipe is bonded with the hole at the bottom of the drain groove by hot melt adhesive; the air source device intermittently transmits air to the Tesla valve through the air source air transmission pipe and the flow divider, and air flow enters from the air inlet of the Tesla valve and is sprayed out from the branch pipe along the air guide path. According to the Tesla valve type drainage plate, the air guide channel inside the Tesla valve comprises the straight channel and the inclined channel, the top of the straight channel is communicated with the air inlet, the two sides of the straight channel are provided with the single wings in a staggered mode from top to bottom, the inclined channel is formed through the single wings, and the straight channel and the inclined channel are at a diversion angle of 30 degrees.
According to the Tesla valve type drain board, the core board of the drain board is prepared by mixing polypropylene and polyethylene, the filter membrane is made of long-fiber hot-rolled non-woven fabrics, and the Tesla valve and the branch pipe are made of copolymerized propylene.
In the tesla valve type drainage plate, the diameters of the straight channel and the inclined channel are 0.3cm, the diameter of the gas inlet of the tesla valve is 0.3cm, the width of a single wing is 0.5cm, the length of the branch pipe is 0.7cm, and the diameter of the outer wall hole of the drainage plate core is 0.3 cm.
In the Tesla valve type drainage plate, an air hole is formed at the position of 5-10cm downward extending of the bottom of each single wing of the Tesla valve, the air holes are arranged at an upward inclination angle of 45 degrees, and the diameter of each air hole is 0.3 cm.
In the Tesla valve type drain board, the gas source gas pipe is provided with the stop control valve.
The beneficial effects of the utility model reside in that:
1. the utility model discloses a tesla valve formula drain bar utilizes the forward air current that can accelerate of tesla valve, the characteristic of reverse restriction backward flow: the gas flow enters from the Tesla valve in the positive direction, is accelerated by the Tesla valve and is sprayed out from a copolymerization propylene branch pipe port with a reverse film; the accelerated air flow acts on the soil particles and the filter membrane blocking the drainage groove through the asymmetric small holes on the drainage plate. The utility model discloses to the situation design because of the stifled drain bar of silting up easily for soft clay granule is little. The accelerated gas flow sprayed from the copolymerization propylene branch pipe plays two roles: firstly, soft clay particles on the drainage plate are pushed; secondly, the problem that the filter membrane is weak in lateral pressure resistance and is easy to generate depression at each drainage groove is solved. The falling film on the copolymerization propylene branch pipe can play a role of a human body venous valve, can ensure the one-way delivery of airflow, prevent the backflow of water in soil and prevent soil particles from blocking the copolymerization propylene branch pipe and the Tesla valve. It is suitable for soft soil foundation engineering.
2. The utility model discloses a tesla valve formula drain bar is applied to and consolidates soft foundation, can slow down the drain bar later stage and because of soft clay granule is little, blocks up the problem of drain bar passageway easily. It is suitable for soft soil foundation engineering.
Drawings
Fig. 1 is a construction layout diagram of the tesla valve type drainage plate of the present invention.
Fig. 2 is a schematic perspective view of the tesla valve type drain board of the present invention.
Fig. 3 is a schematic cross-sectional view of the tesla valve type drain board of the present invention.
Fig. 4 is the utility model discloses consolidate soft foundation flow schematic diagram.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1-3, a tesla valve type drain board comprises an air source device 1, tesla valves, branch pipes 13, a drain board core 8 and a filter membrane 9, wherein the air source device 1 is placed on a concrete cushion table 2, the air source device 1 is connected with inlets of a plurality of flow dividers 7 through air source air pipes 4, stop control valves 3 are arranged on the air source air pipes 4, an outlet of each flow divider 7 is connected with one drain board core 8, as shown in fig. 1, the flow dividers 7 and the drain board core 8 are bonded by hot melt adhesive and are in a ladder shape with the lower end larger than the upper end; the drainage plate core 8 is externally provided with a filter membrane 9, the drainage plate core 8 and the filter membrane 9 form a complex, the outer wall surfaces of two sides of the drainage plate core 8 are provided with a plurality of partition plates so as to form a plurality of drainage grooves, a tesla valve is vertically arranged in the drainage plate core 8 corresponding to each drainage groove, the bottoms of the drainage grooves on two sides of the drainage plate core are asymmetrically provided with holes 10, the top of the tesla valve is provided with an air inlet 11, an air guide channel is arranged in the tesla valve, the outer wall of the air guide channel is provided with an air hole, the air hole is connected with one end of a branch pipe 13 with a reverse membrane 14, and the other end of the branch pipe 13 is bonded with the holes 10; the air source device 1 intermittently transmits air to the Tesla valve through the air source air transmission pipe 4 and the flow divider 7, and air flow enters from the air inlet 11 of the Tesla valve and is sprayed out from the branch pipe 13 along an air guide path. The inverted membrane 14 can ensure the one-way delivery of air flow, prevent water in soil from flowing backwards and prevent soil particles from blocking the branch pipes 13.
The gas guide channel in the Tesla valve comprises a straight channel and an inclined channel, the top of the straight channel is communicated with a gas inlet 11, single wings 12 are arranged on two sides of the straight channel in a staggered mode from top to bottom, the inclined channel is formed through the single wings 12, and the straight channel and the inclined channel form a 30-degree diversion angle.
The drain board core 8 is prepared by mixing polypropylene and polyethylene, the filter membrane 9 is made of long-fiber hot-rolled non-woven fabrics, and the Tesla valve and the branch pipe 13 are made of propylene copolymer.
The diameters of the straight channel and the inclined channel are 0.3cm, the diameter of the gas inlet 11 of the Tesla valve is 0.3cm, the width of the single wing 12 is 0.5cm, the length of the branch pipe 13 is 0.7cm, and the diameter of the outer wall hole 10 of the drainage plate core 8 is 0.3 cm.
The bottom of each single wing 12 of the Tesla valve extends downwards for 5-10cm and is provided with an air hole, the air hole is inclined upwards for 45 degrees, and the diameter of the air hole is 0.3 cm.
As shown in figure 3, the two sides of the drainage channel of the drainage plate core 8 are provided with small holes 10 with the diameter of 0.3cm at intervals of 5-10cm, the small hole at one side corresponds to the branch pipe at the left side of the Tesla valve, and the small hole at the other side corresponds to the branch pipe at the right side of the Tesla valve.
A manufacturing method of a Tesla valve type drain board is characterized by comprising the following steps:
(1) and (3) forming a Tesla valve:
adding a copolymerized propylene raw material into a hot melting machine for melting, wherein the melting temperature is 150-176 ℃, the melting time is 8-10 minutes, the melted copolymerized propylene is filtered by a screen changing filter, and the flow of the screen changing filter is not less than that of a melt metering booster pump;
an isolation film is laid in advance on a Tesla valve model mould, the diversion angle of a straight channel and an inclined channel in the Tesla valve model is 30 degrees, the diameter of the straight channel and the diameter of the inclined channel are 0.3cm, the wall thickness of the straight channel and the wall thickness of the inclined channel are both 1mm, the width of each single wing 12 is 0.5cm, each single wing 12 extends downwards by 5-10cm, an air hole which is 0.3cm and is upwards opened by 45 degrees is arranged on the outer side of the extending section, and a branch pipe 13 with the length of 0.7cm is connected; the liquid-state copolymerization propylene is pumped into a mould for molding by a melt metering booster pump, and the molded Tesla valve is placed at room temperature for cooling;
(2) and (3) forming the drain board core 8:
mixing and blending polypropylene and polyethylene according to a ratio of 6:4, adding the mixture into a hot melting machine for melting at the melting temperature of 132-. The mixture extruded by the extruder is formed into sheets through a coat hanger type die head, and then is formed through vacuum adsorption of a drainage plate rolling and absorbing machine, and the formed drainage plate core 8 is placed in normal temperature water for cooling;
(3) and (3) preparing a finished product:
the method comprises the steps of asymmetrically opening holes 10 in two side plates of a drain plate core 8, placing a Tesla valve in each drain groove of the drain plate core 8, connecting an air hole of the Tesla valve with one end of a branch pipe 13 with a reversed membrane 14, thermally melting and bonding the branch pipe 13 with the hole 10 with the reversed membrane 14, after the drain plate core 8 and a Tesla valve framework are formed, plugging the upper end and the lower end of the formed framework by liquid copolymerized propylene, and leaving a Tesla valve air inlet 11 at the upper end.
As shown in figure 4, the sand cushion horizontal and tesla valve type drainage plate vertical drainage system is arranged, water in bottom sludge slowly enters the sand cushion through the pores and is discharged transversely, then the water is drained through the tesla valve type drainage plate vertically, the pore volume is reduced slowly, the foundation is solidified and deformed, the effective stress is gradually improved, and the strength of the foundation soil is gradually increased. The application of the Tesla valve type drainage plate in the aspect of reinforcing soft foundation specifically comprises the following steps:
site clearing and leveling: cleaning vegetation, garbage and obstacles in a construction area;
and (II) paving a sand cushion layer 5: the soft foundation treatment sand cushion 5 is used as a working cushion and a horizontal drainage cushion, and requires medium coarse sand with the grain diameter of 0.25-2.0 mm and the permeability coefficient not less than 5 multiplied by 10-3cm/s, the mud content is less than or equal to 5 percent, the paving thickness is more than 200mm, and the paving is carried out manually or mechanically according to the construction area;
and (III) pouring a concrete cushion platform 2: pouring the concrete cushion table 2 according to the bottom area of the air source device 1, wherein the thickness of the concrete cushion table 2 is 10cm, so that the air source device 1 can be conveniently borne;
(IV) setting an air source device 1: placing an air source device 1 on a concrete cushion table 2;
and (V) arranging a Tesla valve type drain plate: inserting the Tesla valve type drainage plates into a soft soil foundation by a plate inserting machine, wherein the insertion interval is 1m, the drainage plates are arranged in a quincunx shape, the plate ends are arranged on the bottom surface of a sludge layer in a beating mode, the upper ends of the drainage plates are exposed out of a sand cushion layer by 510-15cm, the exposed parts are arranged downwards in a bending mode, and the number of return belts is not more than 5% of the total beating number in the Tesla valve type drainage plate beating process;
and (VI) constructing a drainage ditch 6: the size of the drainage ditch 6 is determined according to the construction area;
(VII) connecting the air source device 1 with the drain board: the air source device 1 is connected with the flow divider 7 through an air source air delivery pipe 4 and is regulated and controlled through the stop control valve 3; the flow divider 7 divides the gas and inputs the gas into a gas inlet 11 of the Tesla valve;
(eighth) intermittent gas transmission: the air source device 1 intermittently transmits air to the Tesla valve through the air source air transmission pipe 4 and the flow divider 7, air flow enters from the air inlet 11 of the Tesla valve and is sprayed out from the branch pipe 13 along the air guide path, and the air flow pressure is maintained at 0.4MPa during intermittent air transmission.
Claims (5)
1. A Tesla valve type drain board, which is characterized in that: the air source device is connected with inlets of a plurality of flow dividers through an air source gas pipe, an outlet of each flow divider is connected with a drain plate core, the filter membrane is arranged outside the drain plate core, the drain plate core and the filter membrane form a complex, the outer wall surfaces of two sides of the drain plate core are provided with a plurality of partition plates so as to form a plurality of drain grooves, a Tesla valve is vertically arranged in the drain plate core corresponding to each drain groove, the bottoms of the drain grooves on two sides of the drain plate core are asymmetrically provided with holes, the top of the Tesla valve is provided with an air inlet, an air guide channel is arranged in the Tesla valve, the outer wall of the air guide channel is provided with an air hole, the air hole is connected with one end of the branch pipe with the inverted membrane, and the other end of the branch pipe is bonded with the hole at the bottom of the drain groove by hot melt adhesive; the air source device intermittently transmits air to the Tesla valve through the air source air transmission pipe and the flow divider, and air flow enters from the air inlet of the Tesla valve and is sprayed out from the branch pipe along the air guide path.
2. A tesla valve drain plate according to claim 1, wherein: the gas guide channel in the Tesla valve comprises a straight channel and an inclined channel, the top of the straight channel is communicated with a gas inlet, single wings are arranged on two sides of the straight channel in a staggered mode from top to bottom, the inclined channel is formed through the single wings, and the straight channel and the inclined channel form a 30-degree diversion angle.
3. A tesla valve drain plate according to claim 2, wherein: the diameters of the straight channel and the inclined channel are 0.3cm, the diameter of an air inlet of the Tesla valve is 0.3cm, the width of a single wing is 0.5cm, the length of a branch pipe is 0.7cm, and the diameter of an outer wall hole of the drainage plate core is 0.3 cm.
4. A tesla valve drain plate according to claim 3, wherein: the bottom of each single wing of the Tesla valve extends downwards for 5-10cm and is provided with an air hole, the air hole is inclined upwards for 45 degrees, and the diameter of the air hole is 0.3 cm.
5. A tesla valve drain plate according to claim 1, wherein: and a stop control valve is arranged on the gas source gas conveying pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022366653.5U CN214245677U (en) | 2020-10-22 | 2020-10-22 | Tesla valve type drain board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022366653.5U CN214245677U (en) | 2020-10-22 | 2020-10-22 | Tesla valve type drain board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214245677U true CN214245677U (en) | 2021-09-21 |
Family
ID=77729981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022366653.5U Active CN214245677U (en) | 2020-10-22 | 2020-10-22 | Tesla valve type drain board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214245677U (en) |
-
2020
- 2020-10-22 CN CN202022366653.5U patent/CN214245677U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112127355A (en) | Tesla valve type drain board and manufacturing method and application thereof | |
| JP6536689B2 (en) | Perforated infiltration irrigation drainage pipe and sealed type fully automatic infiltration irrigation rainwater recovery omnidirectional planter | |
| CN104129857A (en) | High-cold region reclaimed water deep-purification constructed wetland system | |
| CN105143567A (en) | Multi-filtration auto-irrigation/drainage tube and planting device | |
| US20170167098A1 (en) | Passive capillary and gravity drainage system and method | |
| CN214245677U (en) | Tesla valve type drain board | |
| CN202157407U (en) | Water storage device | |
| JP5137153B1 (en) | Grout injection method and apparatus | |
| CN1080354C (en) | Water drainage method and belt drainage component used therein | |
| CN101886424B (en) | Water retention system of infiltration well | |
| CN101080999A (en) | Mehtod and device for irrigating | |
| CN207891682U (en) | A kind of permeable ground structure | |
| WO2014198240A1 (en) | Multi-filtration drainage and irrigation water pipe, omni-directional planting pot and filtration drainage and irrigation pipe bundle | |
| CN206752629U (en) | A kind of municipal works rainwater inspection well | |
| CN112012305B (en) | Urban construction water collection and drainage hub and application method thereof | |
| CN111705578B (en) | Special composite geotechnical material for higher subgrade and preparation method thereof | |
| CN107842016A (en) | A kind of hot melting cohesion type catheter type plastic draining board | |
| CN211745563U (en) | Be used for circuitous shape formula environmental protection greenbelt that caves in both sides of road | |
| CN107268379A (en) | A kind of solid road and its construction technology | |
| CN209890992U (en) | Drainage system | |
| CN111962352A (en) | High imitative stone material brick permeates water | |
| CN207672555U (en) | A kind of hot melting cohesion type catheter type plastic draining board | |
| CN220352760U (en) | Combined irrigation canal structure | |
| CN218148801U (en) | Diversion three-way drainage channel | |
| CN215906747U (en) | Drainage foundation for garden planning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |