CN109252495A - Culverts and water gates canal system system oncomelania device for trapping - Google Patents
Culverts and water gates canal system system oncomelania device for trapping Download PDFInfo
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- CN109252495A CN109252495A CN201811232032.9A CN201811232032A CN109252495A CN 109252495 A CN109252495 A CN 109252495A CN 201811232032 A CN201811232032 A CN 201811232032A CN 109252495 A CN109252495 A CN 109252495A
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- oncomelania
- collecting pool
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
- E02B13/02—Closures for irrigation conduits
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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Abstract
A kind of culverts and water gates canal system system oncomelania device for trapping, it includes separate tank, settling tank and water-snail collecting pool, it is connect by settling tank with separate tank, water-snail collecting pool is located at settling tank lower end connection and forms overflow ducts, by the oncomelania in the preceding segregation section of separate tank, middle segregation section and rear segregation section separating for several times water body, the oncomelania after separation is deposited in water-snail collecting pool after entering settling tank from unhurried current section.The present invention overcomes former oncomelanias to intercept blocking water channel, and cleaning is frequently at high cost, intercepts halfway problem, has structure simple, be not easy to plug river, and water-snail collecting pool area occupied is small, at low cost, cuts thorough, the simple to operate feature of spiral shell.
Description
Technical field
The invention belongs to current water oncomelania Interception Technology fields, are related to a kind of culverts and water gates canal system system oncomelania device for trapping.
Background technique
Culverts and water gates is very common in agricultural irrigation, thus culverts and water gates is also that oncomelania goes downstream the important place of diffusion, oncomelania
It is bilharzial intermediate host, blocks the approach of blood fluke diffusion, it is great to prevention and cure of schistosomiasis work meaning.
For now, the spiral shell technology of cutting of culverts and water gates is broadly divided into three kinds, and block cuts spiral shell, and snail sedimentation tank cuts spiral shell and middle layer water withdrawal
Anti- spiral shell.
Wherein block section spiral shell is very simple, is intercepted oncomelania using block, design and construction are simple, cost economic；But
Block is inevitably blocked due to the accumulation of other sundries in river, is needed frequent manual cleaning or replacement, is caused not
Just.
Snail sedimentation tank cuts the general combination block of spiral shell or snail control wall to stop oncomelania, and snail sedimentation tank mainly utilizes expansion cross-section of river face
Product, so that oncomelania be made to sink to staying in snail sedimentation tank naturally, avoids it from downstream spreading to reduce flow velocity；But the construction of snail sedimentation tank needs
Occupied area that will be very big, cost is higher, and flow velocity can not only be such that oncomelania deposits slowly excessively, other sundries, especially silt
It can deposit, need frequent dredging, also bring inconvenience.
The anti-spiral shell of middle layer water withdrawal is the feature being distributed generally above and below water surface curve within the scope of 1m using oncomelania, from middle layer without Luo Shui
Body diversion, but since this method is fetched water using pipeline, the whirlpool easy to form near intake has sundries and is inhaled into pipe
Road, in some instances it may even be possible to there is the oncomelania being attached on the floating materials such as blade to be also brought into pipeline, cut spiral shell and be not thorough.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of culverts and water gates canal system system oncomelania device for trapping, and structure is simple, adopts
Connect with settling tank with separate tank, water-snail collecting pool be located at settling tank lower end connection formed overflow ducts, separate tank preceding segregation section,
Oncomelania in middle segregation section and rear segregation section separating for several times water body, oncomelania are deposited on water-snail collecting pool after entering settling tank from unhurried current section
It is interior, it is not easy to plug river, water-snail collecting pool area occupied is small, and at low cost, section spiral shell is thorough, simple to operate.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of culverts and water gates canal system system oncomelania retention dress
It sets, it includes separate tank, settling tank and water-snail collecting pool；Described settling tank one end is connect with separate tank, and water-snail collecting pool is located at settling tank
Lower part connection forms water body overflow ducts；The water body followed by the preceding segregation section of separate tank, middle segregation section, rear segregation section and
Enter settling tank after the section that flows slowly and water-snail collecting pool overflows, the oncomelania in water body is deposited in water-snail collecting pool along settling tank.
The separate tank is the trench structure of upper opening, by preceding segregation section, middle segregation section, rear segregation section and unhurried current section phase
Mutual connection composition, unhurried current section are connect with settling tank.
Gate is set in the preceding segregation section and rear segregation section, cooperates vertical lift opening and closing with separate tank.
The baffle pier of setting column structure in the middle segregation section, from low to high, distribution straggly from front to back.
Cross section after described after segregation section gate gradually reduces.
The cross section of the unhurried current section gradually expands at horn-like, and the lesser one end in section is connect with segregation section (13).
The settling tank is the groove profile pond body that cross section is greater than unhurried current section cross section, bottom and water-snail collecting pool connection.
The water-snail collecting pool is the groove profile pond body of upper opening, along the two sides of water body overflow ducts at skewed, wherein one
Inclined side is connect with unhurried current section and settling tank, and another inclined side is water body overfall.
The inclined side connecting with the unhurried current section and settling tank is deep into water-snail collecting pool.
It is deep into water-snail collecting pool with the inclined side of water body overfall side.
A kind of culverts and water gates canal system system oncomelania device for trapping, it includes separate tank, settling tank and water-snail collecting pool；Settling tank one end with point
It is connected from pond, the lower part connection that water-snail collecting pool is located at settling tank forms water body overflow ducts；Water body is followed by before separate tank points
From settling tank and water-snail collecting pool spilling is entered after section, middle segregation section, rear segregation section and unhurried current section, the oncomelania in water body is heavy along settling tank
Product is in water-snail collecting pool.Structure is simple, is connect by settling tank with separate tank, and water-snail collecting pool is located at settling tank lower end connection and forms overflow
Channel, the nail by the oncomelania in the preceding segregation section of separate tank, middle segregation section and rear segregation section separating for several times water body, after separation
Spiral shell is deposited in water-snail collecting pool after entering settling tank from unhurried current section, is not easy to plug river, and water-snail collecting pool area occupied is small, at low cost, is cut
Spiral shell is thorough, simple to operate.
In the preferred scheme, separate tank is the trench structure of upper opening, by preceding segregation section, middle segregation section, rear separation
Section and the mutual connection composition of unhurried current section, unhurried current section are connect with settling tank.Structure is simple, in use, water body is successively from segregation section
(11), middle segregation section, rear segregation section and unhurried current section flow into settling tank backward, and preceding segregation section separates attached in water body for the first time
The oncomelania on floating material, middle segregation section separate the oncomelania being attached on floating material for the second time, rear segregation section separates attached again
The oncomelania on floating material, unhurried current section reduce water volume flow rate, make separation after oncomelania flowing slows down, be deposited on collection along settling tank
In spiral shell pond.
In the preferred scheme, gate is set in preceding segregation section and rear segregation section, cooperates vertical lift opening and closing with separate tank.
Structure is simple, is opened and closed in use, gate is promoted by lifting structure, such as support column is arranged in separate tank two sides, supports top end
Hoist engine is installed, the top connection of the halliard connecting with hoist engine and gate passes through hoist engine retractable volume and stretches gate；Preceding point
After the gate opening of section, the slot bottom and the water surface of gate bottom and separate tank have certain distance, and gate bottom is with a distance from slot bottom
Less than gate bottom with a distance from the water surface, form compressing when water body flows through, form eddy flow at gate, floating material in water body and
Suspended matter passes through when close to gate from gate bottom, and the floating material and suspended matter being submerged in water body jump out from the gate other side
When, constantly rotation and rolling, when being attached to the oncomelania on suspended matter and floating material by rotation rolling after powerful shear flow with
Carrier separation, with water body flow；Afterwards after the gate opening of segregation section, gate bottom is greater than gate bottom from water with a distance from slot bottom
The distance in face, compressing when water body flows through is relatively small, convenient for slowing down coutroi velocity.
In the preferred scheme, in middle segregation section setting column structure baffle pier, from low to high, straggly point from front to back
Cloth.Structure is simple, part adhere to oncomelania relatively firm on suspended matter and floating material entered after segregation section before flowing through in point
From in section, the lower column with baffle pier is washed away in water body rapidly and is collided, is detached from the carrier it, the oncomelania after separation is along water
Body flowing, along water (flow) direction from high to low, multiple baffle piers of distribution straggly from front to back, occur with suspended matter and floating material more
Secondary collision is conducive to further separate and adheres to firm oncomelania, it is thorough to cut spiral shell.
In the preferred scheme, the cross section after rear segregation section gate gradually reduces.Structure is simple, and water body divides after warp
After slowing down coutroi velocity from section, is sharply squeezed when being flowed through after the gate that cross section gradually reduces, accelerate flow velocity obviously, water body
Turbulent fluctuation occurs, segregation section is attached to the decline of the oncomelania adhesive force on carrier with after by preceding segregation section, is easy by the water body of turbulent fluctuation
Separation is thoroughly detached from suspension and floating material.
In the preferred scheme, the cross section for the section that flows slowly gradually expands at horn-like, the lesser one end in section and segregation section
(13) it connects.Structure is simple, and the oncomelania being detached from the carrier enters from the lesser one end in horn-like unhurried current section section, larger from section
One end outflow, water volume flow rate reduces rapidly, and flowing of the oncomelania in water body enters in settling tank after slowing down.
In the preferred scheme, settling tank is the groove profile pond body that cross section is greater than unhurried current section cross section, bottom and water-snail collecting pool
Connection.Structure is simple, and the settling tank that cross section is greater than unhurried current section cross section further slows down the flow velocity of water body, in water body with load
The oncomelania of body separation gradually sinks when flowing through settling tank.
In the preferred scheme, water-snail collecting pool is the groove profile pond body of upper opening, and two sides along water body overflow ducts are at inclining
Ramp-like, wherein an inclined side is connect with unhurried current section and settling tank, another inclined side is water body overfall.Structure letter
Single, the oncomelania in settling tank slides into groove profile pond body along the inclined side of water-snail collecting pool two to be collected, and water body inclines from another
Oblique side flows down after overflowing into water channel, without oncomelania in the water channel in downstream；The oncomelania being deposited in water-snail collecting pool is needed by people
Power periodic cleaning is killed, convenient for emptying groove body.
In the preferred scheme, the inclined side connecting with unhurried current section and settling tank is deep into water-snail collecting pool.Structure letter
Single, after biggish oncomelania enters settling tank from unhurried current section in water body, the inclination along unhurried current section and settling tank junction is slided downwards
Enter into water-snail collecting pool, the oncomelania in water-snail collecting pool is in active state, and the diagonal extension being deep into water-snail collecting pool is effective
Oncomelania is prevented to climb out of water-snail collecting pool again.
In the preferred scheme, the inclined side with water body overfall side is deep into water-snail collecting pool.Structure is simple, water body
In lesser oncomelania from unhurried current section enter settling tank after, the inclined surface along the water-snail collecting pool overfall other side slides downwards into water-snail collecting pool
Interior, the oncomelania in water-snail collecting pool is in active state, and the diagonal extension being deep into water-snail collecting pool effectively prevents oncomelania
Water-snail collecting pool is climbed out of again.
A kind of culverts and water gates canal system system oncomelania device for trapping, it includes separate tank, settling tank and water-snail collecting pool, by settling tank and is divided
It is connected from pond, water-snail collecting pool is located at settling tank lower end connection and forms overflow ducts, passes through preceding segregation section, the middle segregation section in separate tank
With the oncomelania in rear segregation section separating for several times water body, the oncomelania after separation is deposited on water-snail collecting pool after entering settling tank from unhurried current section
It is interior.The present invention overcomes former oncomelanias to intercept blocking water channel, and cleaning is frequently at high cost, intercepts halfway problem, has structure letter
It is single, it is not easy to plug river, water-snail collecting pool area occupied is small, and it is at low cost, cut thorough, the simple to operate feature of spiral shell.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is schematic top plan view of the invention.
In figure: separate tank 1, preceding segregation section 11, middle segregation section 12, rear segregation section 13, flow slowly section 14, settling tank 2, water-snail collecting pool
3。
Specific embodiment
In Fig. 1 ~ Fig. 2, a kind of culverts and water gates canal system system oncomelania device for trapping, it includes separate tank 1, settling tank 2 and water-snail collecting pool
3；Described 2 one end of settling tank is connect with separate tank 1, and the lower part connection that water-snail collecting pool 3 is located at settling tank 2 forms water body overflow ducts；
The water body followed by the preceding segregation section 11 of separate tank 1, middle segregation section 12, rear segregation section 13 and unhurried current section 14 after enter sedimentation
Pond 2 and water-snail collecting pool 3 overflow, and the oncomelania in water body is deposited in water-snail collecting pool 3 along settling tank.Structure is simple, by settling tank 2 and divides
From pond 1 connect, water-snail collecting pool 3 be located at 2 lower end connection of settling tank formation overflow ducts, by the preceding segregation section 11 of separate tank 1, in
Oncomelania in 13 separating for several times water body of segregation section 12 and rear segregation section, the oncomelania after separation is after the unhurried current entrance settling tank 2 of section 14
It is deposited in water-snail collecting pool 3, is not easy to plug river, 3 area occupied of water-snail collecting pool is small, and at low cost, section spiral shell is thorough, simple to operate.
In preferred scheme, the separate tank 1 is the trench structure of upper opening, by preceding segregation section 11, middle segregation section 12,
Segregation section 13 and the unhurried current mutual connection of section 14 composition, unhurried current section 14 are connect with settling tank 2 afterwards.Structure is simple, in use, water body according to
It is secondary to be flowed into settling tank 2 backward from segregation section 11, middle segregation section 12, rear segregation section 13 and unhurried current section 14, preceding segregation section 11
The oncomelania being attached in separation water body on floating material for the first time, the nail that 12 second of middle segregation section separation is attached on floating material
Spiral shell, rear segregation section 13 separate the oncomelania being attached on floating material again, and unhurried current section 14 reduces water volume flow rate, the oncomelania after making separation
Flowing slows down, and is deposited in water-snail collecting pool 3 along settling tank 2.
In preferred scheme, gate is set in the preceding segregation section 11 and rear segregation section 13, cooperates vertical liter with separate tank 1
Drop opening and closing.Structure is simple, is opened and closed in use, gate is promoted by lifting structure, such as support column, branch is arranged in 1 two sides of separate tank
Hoist engine is installed on dagger top, and the top connection of the halliard connecting with hoist engine and gate is stretched through hoist engine retractable volume
Gate；After the gate opening of preceding segregation section 11, the slot bottom and the water surface of gate bottom and separate tank 1 have certain distance, gate bottom
It is less than gate bottom with a distance from slot bottom with a distance from the water surface, forms compressing when water body flows through, form eddy flow, water body at gate
In floating material and suspended matter pass through when close to gate from gate bottom, the floating material and suspended matter being submerged in water body are from lock
When the door other side is jumped out, constantly rotation and rolling is powerful when being attached to the oncomelania on suspended matter and floating material by rotation rolling
Shear flow after be detached from the carrier, with water body flow；Afterwards after the gate opening of segregation section 13, gate bottom is big with a distance from slot bottom
In gate bottom with a distance from the water surface, compressing when water body flows through is relatively small, convenient for slowing down coutroi velocity.
In preferred scheme, the baffle pier of setting column structure in the middle segregation section 12, from low to high, wrong from front to back
Fall distribution.Structure is simple, and part is adhered to oncomelania relatively firm on suspended matter and floating material and entered after segregation section 11 before flowing through
Into middle segregation section 12, the lower column with baffle pier is washed away in water body rapidly and is collided, is detached from the carrier it, after separation
Oncomelania along water body flow, along water (flow) direction from high to low, multiple baffle piers of distribution straggly from front to back, with suspended matter and floating
Multiple impacts occur for object, are conducive to further separate and adhere to firm oncomelania, it is thorough to cut spiral shell.
In preferred scheme, the cross section after 13 gate of the rear segregation section gradually reduces.Structure is simple, and water body is passing through
After segregation section 13 slows down coutroi velocity afterwards, is sharply squeezed when being flowed through after the gate that cross section gradually reduces, add flow velocity obviously
Fastly, turbulent fluctuation occurs for water body, and by preceding segregation section 11, segregation section 13 is attached to the decline of the oncomelania adhesive force on carrier with after, is easy quilt
The water body of turbulent fluctuation separates, and is thoroughly detached from suspension and floating material.
In preferred scheme, the cross section of the unhurried current section 14 gradually expands at horn-like, the lesser one end in section with point
It is connected from section 13.Structure is simple, and the oncomelania being detached from the carrier enters from the lesser one end in horn-like 14 section of unhurried current section, from section
Biggish one end outflow, water volume flow rate reduce rapidly, and flowing of the oncomelania in water body enters in settling tank 2 after slowing down.
In preferred scheme, the settling tank 2 is the groove profile pond body that cross section is greater than unhurried current 14 cross section of section, bottom and collection
3 connection of spiral shell pond.Structure is simple, and the settling tank 2 that cross section is greater than unhurried current 14 cross section of section further slows down the flow velocity of water body, water
The oncomelania being detached from the carrier in body gradually sinks when flowing through settling tank 2.
In preferred scheme, the water-snail collecting pool 3 is the groove profile pond body of upper opening, along the two sides of water body overflow ducts at
Skewed, wherein an inclined side is connect with unhurried current section 14 and settling tank 2, another inclined side is water body overfall.Knot
Structure is simple, and the oncomelania in settling tank 2 slides into groove profile pond body along 3 liang of inclined sides of water-snail collecting pool and is collected, water body from
Another inclined side flows down after overflowing into water channel, without oncomelania in the water channel in downstream；The oncomelania needs being deposited in water-snail collecting pool 3
It is killed by manpower periodic cleaning, convenient for emptying groove body.
In preferred scheme, the inclined side connecting with the unhurried current section 14 and settling tank 2 is deep into water-snail collecting pool 3.
Structure is simple, after biggish oncomelania enters settling tank 2 from unhurried current section 14 in water body, along unhurried current section 14 and settling tank 2 junction
Inclined surface slides downwards into water-snail collecting pool 3, and the oncomelania in water-snail collecting pool 3 is in active state, and is deep into inclining in water-snail collecting pool 3
Oblique extension effectively prevents oncomelania to climb out of water-snail collecting pool 3 again.
In preferred scheme, it is deep into water-snail collecting pool 3 with the inclined side of water body overfall side.Structure is simple,
After lesser oncomelania is from unhurried current section 14 into settling tank 2 in water body, the inclined surface along the 3 overfall other side of water-snail collecting pool is slid downwardly into
Into water-snail collecting pool 3, the oncomelania in water-snail collecting pool 3 is in active state, and the diagonal extension being deep into water-snail collecting pool 3 is effective
Oncomelania is prevented to climb out of water-snail collecting pool 3 again.
Culverts and water gates canal system system oncomelania device for trapping as described above, when installing and using, settling tank 2 is connect with separate tank 1, collects spiral shell
Pond 3 is located at 2 lower end connection of settling tank and forms overflow ducts, in the preceding segregation section 11, middle segregation section 12 and rear segregation section of separate tank 1
Oncomelania in 13 separating for several times water bodys, the oncomelania after separation are deposited in water-snail collecting pool 3 after entering settling tank 2 from unhurried current section 14, no
Easily blocking river, 3 area occupied of water-snail collecting pool is small, at low cost, and section spiral shell is thorough, simple to operate.
In use, water body is successively flowed into from segregation section 11, middle segregation section 12, rear segregation section 13 and unhurried current section 14 backward
In settling tank 2, preceding segregation section 11 separates the oncomelania being attached on floating material in water body, 12 second of middle segregation section separation for the first time
The oncomelania being attached on floating material, rear segregation section 13 separate the oncomelania being attached on floating material again, and unhurried current section 14 reduces water body
Flow velocity, the oncomelania flowing after making separation slow down, are deposited in water-snail collecting pool 3 along settling tank 2.
It is opened and closed in use, gate is promoted by lifting structure, such as support column is set in 1 two sides of separate tank, support top end
Hoist engine is installed, the top connection of the halliard connecting with hoist engine and gate passes through hoist engine retractable volume and stretches gate；Preceding point
After gate opening from section 11, the slot bottom and the water surface of gate bottom and separate tank 1 have a certain distance, gate bottom from slot bottom away from
From gate bottom is less than with a distance from the water surface, compressing is formed when water body flows through, and eddy flow, the floating material in water body are formed at gate
Pass through when close to gate from gate bottom with suspended matter, the floating material and suspended matter being submerged in water body jump from the gate other side
When out, constantly rotation and rolling, when being attached to the oncomelania on suspended matter and floating material by rotation rolling after powerful shear flow
It is detached from the carrier, with water body flow；Afterwards after the gate opening of segregation section 13, gate bottom is greater than gate bottom with a distance from slot bottom
With a distance from the water surface, compressing when water body flows through is relatively small, convenient for slowing down coutroi velocity.
On part attachment suspended matter and floating material relatively firm oncomelania entered after segregation section 11 before flowing through in separate
In section 12, the lower column with baffle pier is washed away in water body rapidly and is collided, is detached from the carrier it, the oncomelania after separation is along water
Body flowing, along water (flow) direction from high to low, multiple baffle piers of distribution straggly from front to back, occur with suspended matter and floating material more
Secondary collision is conducive to further separate and adheres to firm oncomelania, it is thorough to cut spiral shell.
Water body is after segregation section 13 slows down coutroi velocity after, when flowing through after the gate that cross section gradually reduces sharply
It squeezes, accelerates flow velocity obviously, turbulent fluctuation occurs for water body, and segregation section 13 is attached to the oncomelania on carrier with after by preceding segregation section 11
Adhesive force decline is easy to be separated by the water body of turbulent fluctuation, and thorough disengaging suspends and floating material.
The oncomelania being detached from the carrier enters from the lesser one end in horn-like 14 section of unhurried current section, flows from the biggish one end in section
Out, water volume flow rate reduces rapidly, and flowing of the oncomelania in water body enters in settling tank 2 after slowing down.
The settling tank 2 that cross section is greater than unhurried current 14 cross section of section further slows down the flow velocity of water body, in water body with carrier
Isolated oncomelania gradually sinks when flowing through settling tank 2.
Oncomelania in settling tank 2 slides into groove profile pond body along 3 liang of inclined sides of water-snail collecting pool to be collected, water body from
Another inclined side flows down after overflowing into water channel, without oncomelania in the water channel in downstream；The oncomelania needs being deposited in water-snail collecting pool 3
It is killed by manpower periodic cleaning, convenient for emptying groove body.
After biggish oncomelania enters settling tank 2 from unhurried current section 14 in water body, incline along unhurried current section 14 and settling tank 2 junction
Inclined-plane slides downwards into water-snail collecting pool 3, and the oncomelania in water-snail collecting pool 3 is in active state, the inclination being deep into water-snail collecting pool 3
Extension effectively prevents oncomelania to climb out of water-snail collecting pool 3 again.
After lesser oncomelania is from unhurried current section 14 into settling tank 2 in water body, along the inclined surface of the 3 overfall other side of water-snail collecting pool
It slides downwards into water-snail collecting pool 3, the oncomelania in water-snail collecting pool 3 is in active state, and the inclination being deep into water-snail collecting pool 3 extends
Part effectively prevents oncomelania to climb out of water-snail collecting pool 3 again.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this Shen
Please in embodiment and embodiment in feature in the absence of conflict, can mutual any combination.Protection model of the invention
The technical solution that should be recorded with claim is enclosed, the equivalent replacement side of technical characteristic in the technical solution recorded including claim
Case is protection scope.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (10)
- The oncomelania device for trapping 1. a kind of culverts and water gates canal system is united, it is characterized in that: it includes separate tank (1), settling tank (2) and water-snail collecting pool (3)；Described settling tank (2) one end is connect with separate tank (1), and the lower part connection that water-snail collecting pool (3) is located at settling tank (2) forms water body Overflow ducts；The water body followed by the preceding segregation section (11) of separate tank (1), middle segregation section (12), rear segregation section (13) and Unhurried current section (14) enters settling tank (2) afterwards and water-snail collecting pool (3) overflows, and the oncomelania in water body is deposited on water-snail collecting pool (3) along settling tank It is interior.
- The oncomelania device for trapping 2. culverts and water gates canal system according to claim 1 is united, it is characterized in that: the separate tank (1) is top The trench structure of opening, by preceding segregation section (11), middle segregation section (12), rear segregation section (13) and unhurried current section (14) mutually connection group At unhurried current section (14) is connect with settling tank (2).
- The oncomelania device for trapping 3. culverts and water gates canal system according to claim 2 is united, it is characterized in that: the preceding segregation section (11) and after Gate is set in segregation section (13), cooperates vertical lift opening and closing with separate tank (1).
- The oncomelania device for trapping 4. culverts and water gates canal system according to claim 2 is united, it is characterized in that: being set in the middle segregation section (12) The baffle pier of column structure is set, from low to high, distribution straggly from front to back.
- The oncomelania device for trapping 5. culverts and water gates canal system according to claim 3 is united, it is characterized in that: segregation section (13) gate after described Cross section afterwards gradually reduces.
- The oncomelania device for trapping 6. culverts and water gates canal system according to claim 5 is united, it is characterized in that: unhurried current section (14) is transversal Face gradually expands at horn-like, and the lesser one end in section is connect with segregation section (13).
- The oncomelania device for trapping 7. culverts and water gates canal system according to claim 1 or 2 is united, it is characterized in that: the settling tank (2) is cross Section is greater than the groove profile pond body of unhurried current section (14) cross section, bottom and water-snail collecting pool (3) connection.
- The oncomelania device for trapping 8. culverts and water gates canal system according to claim 7 is united, it is characterized in that: the water-snail collecting pool (3) is top The groove profile pond body of opening, along the two sides of water body overflow ducts at skewed, wherein an inclined side and unhurried current section (14) and Settling tank (2) connection, another inclined side are water body overfall.
- The oncomelania device for trapping 9. culverts and water gates canal system according to claim 8 is united, it is characterized in that: with the unhurried current section (14) and sinking One inclined side of drop pond (2) connection is deep into water-snail collecting pool (3).
- The oncomelania device for trapping 10. culverts and water gates canal system according to claim 9 is united, it is characterized in that: with the water body overfall one The inclined side of side is deep into water-snail collecting pool (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811232032.9A CN109252495A (en) | 2018-10-22 | 2018-10-22 | Culverts and water gates canal system system oncomelania device for trapping |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811232032.9A CN109252495A (en) | 2018-10-22 | 2018-10-22 | Culverts and water gates canal system system oncomelania device for trapping |
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| CN109252495A true CN109252495A (en) | 2019-01-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116893697A (en) * | 2023-09-11 | 2023-10-17 | 埃睿迪信息技术（北京）有限公司 | Flow speed adjusting device and method |
| CN116893697B (en) * | 2023-09-11 | 2023-12-08 | 埃睿迪信息技术（北京）有限公司 | Flow speed adjusting device and method |
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