CN113931138B - Flow guiding and sand discharging equipment - Google Patents
Flow guiding and sand discharging equipment Download PDFInfo
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- CN113931138B CN113931138B CN202111186959.5A CN202111186959A CN113931138B CN 113931138 B CN113931138 B CN 113931138B CN 202111186959 A CN202111186959 A CN 202111186959A CN 113931138 B CN113931138 B CN 113931138B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
- E02B5/085—Arresting devices for waterborne materials, e.g. gratings
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
- E02B8/023—Arresting devices for waterborne materials
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/02—Fluid flow conditions
- C02F2301/026—Spiral, helicoidal, radial
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses a flow-guiding sand-discharging device which comprises a flow-guiding assembly, a power conversion assembly and a spiral flow generation assembly. The spiral flow generating assembly drives the spiral flow generating assembly to work by utilizing the impact of water flow on the power conversion assembly, and the spiral flow generating assembly generates spiral flows in different forms by the rotation of the spiral flow driving wheel and the reciprocating lifting motion on the screw rod, so that silt deposited in the process of discharging the silt can be effectively removed; the spiral flow generating assembly drives the aeration assembly to aerate the MBR biological membrane plate, so that pollutants are degraded by strains on the MBR biological membrane plate when water flows through the MBR biological membrane plate, the membrane contact oxidation treatment process and the killing of the bacteria are realized, the biological viscosity of silt is effectively reduced, the silt is prevented from being adhered to the flow guide groove, and the flow guide and sand discharge effects are improved.
Description
Technical Field
The invention relates to the technical field of hydraulic construction equipment, in particular to a flow guiding and sand discharging device.
Background
When the hydraulic structure is constructed, a large amount of silt can be adhered to the surface of the hydraulic structure. Because the silt sand contains a large amount of bacteria and has certain adhesiveness, the silt sand adhered to the surface of a hydraulic structure influences the construction, and therefore the silt sand needs to be discharged, the silt sand precipitated on the hydraulic structure is generally carried by the flowing force of water flow in the current industry, but the method is not suitable for dry seasons, the silt sand of the sediment is difficult to effectively remove, the silt sand is accumulated in the process of discharging the silt sand, and the construction work is seriously influenced.
The Chinese patent application with the publication number of CN 108129421A discloses a front guide flow sand discharge device for a hydraulic structure, which comprises a guide wall, a baffle, a lifting plate and a disturbance module; the disturbance module is arranged between the guide wall and the baffle and connected with the baffle, the lifting plate can be lifted and lowered by the winch hoist, and the lifting plate is attached to the guide wall and the baffle when being lowered. The disturbance module comprises two guide blades, and the surfaces of the two sides of each guide blade are three-dimensional two-way torsional surfaces. This rational in infrastructure is simple, and the disturbance module is fixed on the baffle, keeps certain water distance of crossing with the water conservancy diversion wall, and the disturbance module designs into three-dimensional two to the torsional surface shape simultaneously, increases the rivers disturbance, changes and forms the spiral flow, and the lifter plate has guaranteed that the rivers of different flow directions can all form the spiral flow and hold the sand with the arms to flow through the device, gets rid of the silt that becomes silted up before the hydraulic structure to guarantee hydraulic structure normal operating. Although the proposal of the application can carry out the sand discharge to the silt sand, the spiral flow form generated by the proposal is single, and the sand discharge effect to the silt sand is poor.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a can improve the husky equipment of water conservancy diversion row that effect just carries out effective killing to the bacterium in the rivers of arranging.
In order to solve the technical problems, the invention adopts the technical scheme that: the flow-guiding sand-discharging equipment comprises a flow-guiding assembly, a power conversion assembly and a spiral flow generation assembly;
the flow guide assembly comprises a flow guide groove and a flow control assembly fixed at the inlet end of the flow guide groove, and the flow control assembly comprises a flow control plate arranged at the inlet end of the flow guide groove in a lifting manner;
the power conversion assembly comprises a water wheel, a driving gear and a driven gear, the water wheel is rotatably arranged in the diversion trench, the driving gear is fixedly connected with the water wheel, the driven gear is fixed on the spiral flow generation assembly, and the driving gear is in transmission fit with the driven gear;
the spiral flow generating assembly comprises a screw rod, a first transfer shaft, a first sealing bearing, a spiral flow driving wheel and a wheel disc, wherein the screw rod is vertically fixed in the diversion trench, the first transfer shaft is rotatably connected with the screw rod through the first sealing bearing, the wheel disc and a driven gear are respectively fixed at the upper end and the lower end of the first transfer shaft, the spiral flow driving wheel is in threaded fit with the screw rod and is positioned above the wheel disc, corresponding upper permanent magnetic buckles and lower permanent magnetic buckles are respectively fixed on opposite surfaces of the spiral flow driving wheel and the wheel disc, and magnetic poles of the opposite surfaces of the upper permanent magnetic buckles and the lower permanent magnetic buckles are opposite.
Further, the method comprises the following steps: the flow control assembly further comprises a winch and a retraction casing, and the winch is fixed at the top of the inlet end of the diversion trench and connected with the flow control plate through an anchor cable; a cavity for inserting the flow control plate is arranged in the retraction casing sleeve, the retraction casing sleeve is fixedly connected to the bottom of the inlet end of the flow guide groove, and the inlet end of the flow guide groove is provided with a lifting channel for the flow control plate to pass through; the edge part of the flow control plate is provided with a first sliding connecting groove, and a first sliding connecting seat is connected in the first sliding connecting groove in a sliding manner; the side surface of the first sliding connecting seat is fixedly connected with the flow guide groove, and the bottom surface of the first sliding connecting seat is connected with the flow control plate through a supporting spring.
Further, the method comprises the following steps: the driving gear and the driven gear in the power conversion assembly are in transmission connection through a toothed chain, and the toothed chain is in transmission meshing with the driving gear and the driven gear respectively; the driving gear is fixedly connected with a second transfer shaft, the second transfer shaft is fixedly connected with the water wheel, a second sealing bearing is sleeved on the outer peripheral surface of the second transfer shaft, and the outer ring of the second sealing bearing is clamped on the diversion trench.
Further, the method comprises the following steps: the spiral flow generating assembly also comprises a screw rod sleeve, wherein the surface of the screw rod is provided with an external thread, the inner wall of the screw rod sleeve is provided with an internal thread matched with the screw rod in a threaded manner, and the screw rod sleeve is sleeved on the screw rod; the spiral flow driving wheel is sleeved on the screw rod sleeve and is fixedly connected with the screw rod sleeve.
Further, the method comprises the following steps: the device also comprises an aeration component, wherein the aeration component comprises an elastic air bag, a spray head and an MBR biological membrane, the elastic air bag is arranged on the screw rod and is in sliding fit with the screw rod, the spray head is connected on the elastic air bag and is communicated with the inner cavity of the elastic air bag, the MBR biological membrane is fixed in the diversion trench and is positioned between the spiral flow generating component and the water wheel, and the outlet end of the spray head is opposite to the MBR biological membrane; a limiting top cover is fixed to the top of the lead screw, and a top pressing shaft is fixed to one surface, facing the elastic air bag, of the limiting top cover; the elastic air bag is movably connected to the top of the spiral flow driving wheel, and the spiral flow driving wheel can drive the elastic air bag to ascend together when ascending along the screw rod.
Further, the method comprises the following steps: the aeration component also comprises a sliding connecting sleeve, a connecting lantern ring, a top lifting disc and a bottom lifting disc; the sliding connecting sleeve is sleeved on the screw rod and is in sliding fit with the screw rod, and the elastic air bag is fixedly connected to the outer peripheral surface of the sliding connecting sleeve; the top lifting disc and the bottom lifting disc are respectively sleeved at the top and the bottom of the sliding connecting sleeve and form a cavity structure for accommodating the elastic air bag together with the connecting sleeve ring, and the top lifting disc is in sliding fit with the sliding connecting sleeve.
Further, the method comprises the following steps: the first check valve pipe and the second check valve pipe are clamped on the connecting lantern ring and are communicated with the inner cavity of the elastic air bag; and one end of the second one-way valve pipe, which is not connected with the elastic air bag, is communicated with the spray head.
Further, the method comprises the following steps: the bottom surface of the bottom lifting disc is provided with a second sliding connecting groove which is an annular groove concentric with the bottom lifting disc; the top surface of the spiral flow driving wheel is fixedly connected with at least one second sliding connecting seat, and the second sliding connecting seat is arranged in the second sliding connecting groove and is in sliding fit with the second sliding connecting groove; the spiral flow driving wheel is fixedly connected with the second sliding connecting seat through a connecting shaft.
Further, the method comprises the following steps: a third sliding connecting groove is formed in the surface of the screw rod and extends along the length direction of the screw rod; and a third sliding connecting seat is connected in the third sliding connecting groove in a sliding manner and is fixedly connected with the inner side surface of the connecting sleeve ring.
Further, the method comprises the following steps: the number of the power conversion assemblies, the spiral flow generation assemblies and the aeration assemblies is three; the water wheels in the three power conversion assemblies are arranged side by side at the position close to the inlet end of the diversion trench, and the three spiral flow generation assemblies are arranged in the diversion trench in a staggered mode.
The invention has the beneficial effects that: the spiral flow generating assembly drives the spiral flow generating assembly to work by utilizing the impact of water flow on the power conversion assembly, and the spiral flow generating assembly generates spiral flows in different forms by the rotation of the spiral flow driving wheel and the reciprocating lifting motion on the screw rod, so that silt deposited in the process of discharging the silt can be effectively removed; the spiral flow generating assembly drives the aeration assembly to aerate the MBR biological membrane through the work of the spiral flow generating assembly, so that pollutants are degraded by strains on the MBR biological membrane when water flows through the MBR biological membrane, and a membrane contact oxidation treatment process and the killing of bacteria are realized, so that the biological viscosity of silt is effectively reduced, the silt is prevented from being adhered in the diversion trench, and the diversion and sand discharge effects are improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a flow guide assembly;
fig. 3 is a schematic view of the bottom plate structure of the diversion trench;
FIG. 4 is a schematic structural view of a power conversion assembly;
FIG. 5 is an enlarged schematic view at A in FIG. 1;
FIG. 6 is a schematic diagram of a spiral flow drive wheel;
FIG. 7 is an exploded view of the spiral flow generating assembly;
figure 8 is an exploded view of the structure of the aeration assembly;
FIG. 9 is a schematic view of the engagement of the spiral flow drive wheel and the bottom lifting plate;
FIG. 10 is a schematic view showing an assembled structure of a spiral flow generating module and an aeration module;
FIG. 11 is a schematic structural view of a limit cap;
labeled as: 100-guide component, 110-guide groove, 111-lifting channel, 200-power conversion component, 210-water wheel, 220-driving gear, 230-driven gear, 240-toothed chain, 250-second transfer shaft, 260-second sealing bearing, 300-spiral flow generation component, 310-lead screw, 311-limit top cover, 312-top pressing shaft, 313-third sliding connection groove, 314-third sliding connection seat, 320-first transfer shaft, 330-first sealing bearing, 340-spiral flow driving wheel, 341-upper layer permanent magnetic buckle, 342-second sliding connection seat, 343-connection shaft, 350-wheel disc, 351-lower layer permanent magnetic buckle, 360-lead screw sleeve, 400-flow control component, 410-flow control plate, 411-first sliding connection groove, 420-winch, 430-retraction casing shell, 440-first sliding connecting seat, 450-supporting spring, 500-aeration component, 510-elastic air bag, 511-first one-way valve pipe, 512-second one-way valve pipe, 520-spray head, 530-MBR biological membrane, 540-sliding connecting sleeve, 550-connecting lantern ring, 560-top lifting disc, 570-bottom lifting disc and 571-second sliding connecting groove.
Detailed Description
In order to facilitate understanding of the invention, the invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the diversion and sand discharge apparatus disclosed by the present invention comprises a diversion assembly 100, a power conversion assembly 200 and a spiral flow generation assembly 300, wherein a flow control assembly 400 is further disposed in the spiral flow generation assembly 300. The diversion assembly 100 is arranged in front of the hydraulic structure and is used for diverting the water flow discharged after the hydraulic structure is washed, and the flow control assembly 400 is used for controlling the flow of the water flow entering the diversion and sand-discharging equipment so as to adjust the flow and the flow speed of the water flow; when the water flow after flow control passes through the power conversion assembly 200, the power conversion assembly 200 is driven to work, the power conversion assembly 200 converts the linear flow force of the water flow into torque force and transmits the torque force to the spiral flow generation assembly 300, and the spiral flow generation assembly 300 works to form spiral flows in different forms in the surrounding water area, so that the deposited silt is rolled up, and the effects of guiding and discharging the silt are improved.
As shown in fig. 1 and 2, the diversion assembly 100 used in the present invention includes a diversion trench 110 and a flow control assembly 400, the diversion trench 110 is a long trench structure with an open top and two ends at the head and the tail, which is composed of a bottom plate and two side plates respectively fixed vertically at two sides of the bottom plate, and the flow control assembly 400 is installed at the inlet end of the diversion trench 110. The edge of the diversion trench 110 can be fixed with a flange-like structure, and the diversion trench 110 is connected and fixed with the hydraulic structure by an anchor bolt inserted into the flange-like structure. The flow control assembly 400 is provided with a flow control plate 410 capable of vertically lifting, the flow control plate 410 controls the opening and closing of the inlet of the diversion trench 110 through the lifting of the flow control plate 410, and the water flowing into the diversion trench 110 can form a falling head through blocking the lower half part of the inlet of the diversion trench 110, so that the water has potential energy flowing downwards after entering the diversion trench 110, the flow velocity of the water is improved through the conversion of the potential energy into the kinetic energy, the washing effect of the water on the bottom plate of the diversion trench 110 can be enhanced through improving the flow force of the water, and the silt is effectively prevented from being deposited on the bottom plate of the diversion trench 110.
Further, the raising and lowering of the flow control plate 410 of the present invention is accomplished by the cooperation of the hoist 420 and the retracting holster cover 430 in the flow control assembly 400. As shown in fig. 1 and 2, the winch 420 is fixed at the top of the inlet end of the diversion trench 110, the retraction casing 420 is fixed at the bottom of the inlet end of the diversion trench 110, and a cavity into which the flow control plate 410 can be inserted is formed on the retraction casing 420; a hook lock is fixed at the top of the flow control plate 410, an anchor cable is connected to the hook lock, the winch 420 is connected with the flow control plate 410 through the anchor cable, and the winch 420 can drive the flow control plate 410 to lift in the vertical direction through the anchor cable when working; because the winch 420 vibrates greatly when working, a damping seat can be arranged at the bottom of the winch 420 for damping and eliminating noise. In order to limit the lifting path of the flow control plate 410, the inlet end of the flow guide groove 110 is provided with a lifting channel 111, the lifting channel 111 is arranged on the bottom plate of the flow guide groove 110, two side plates of the flow guide groove 110 can be provided with sliding grooves communicated with the lifting channel 111, the flow control plate 410 is inserted into the lifting channel 111, and two side edges of the flow control plate 410 are respectively in sliding fit with the sliding grooves on the two side plates of the flow guide groove 110. In addition, in order to reduce the impact of the flow control plate 410 on the retraction casing 420 during the descending process, the flow control plate 410 is provided with a support spring 450, as shown in fig. 2, the side edge of the flow control plate 410 is provided with a first sliding connection slot 411 which is concave, the first sliding connection slot 411 is connected with a first sliding connection seat 440 in a sliding manner, the bottom surface of the first sliding connection seat 440 is connected with the flow control plate 410 through the support spring 450, and the side surface of the first sliding connection seat 440 is fixedly connected with the flow guide slot 110. When the flow guiding and sand discharging work is carried out, the winch 420 operates and releases the anchor cable wound on the surface of the cigarette making machine 420, the flow control plate 410 vertically descends along the lifting channel 111 under the action of self gravity and the reset elasticity of the supporting spring 450, and the supporting spring 450 buffers the descending speed of the flow control plate 410, so that the flow control plate 410 slowly retracts into the inner cavity of the retraction casing 420; at this time, the flow control plate 410 may function as a gate plate, and a barrier is formed at the lower half portion of the inlet end of the diversion trench 110, so that the water flow crosses the flow control plate 410 and enters the diversion trench 110, and the water flow has a descending potential energy after entering the diversion trench 110, thereby increasing the flow velocity of the water flow through the conversion from the potential energy to the kinetic energy, further enhancing the washing effect of the water flow on the bottom plate of the diversion trench 110, and preventing silt from settling on the bottom plate of the diversion trench 110.
As shown in fig. 1, 3 and 4, the power conversion assembly 200 used in the present invention includes a water wheel 210, a driving gear 220 and a driven gear 230, the driving gear 220 and the driven gear 230 are in transmission connection via a toothed chain 240, the gear 240 is respectively engaged with the driving gear 220 and the driven gear 230, and the driven gear 230 is fixed to a rear spiral flow generating assembly 300. The water wheel 210 is rotatably connected to the guide groove 110 through the cooperation of the second transfer shaft 250 and the second sealing bearing 260, the water wheel 210 is fixed to the top of the second transfer shaft 250, the second sealing bearing 260 is sleeved on the outer circumferential surface of the second transfer shaft 250, the outer ring of the second sealing bearing 260 is clamped and fixed to the guide groove 110, and the driving gear 220 is fixed to the outer circumferential surface of the second transfer shaft 250. When water flows through the power conversion assembly 200 after entering the guide channel 110, the water flow is washed to rotate the water wheel 210, the water wheel 210 converts the linear flow force of the water flow into a torque force and acts on the second transfer shaft 250, and the second transfer shaft 250 rotates to drive the driving gear 220 to rotate and transmit the torque force to the rear spiral flow generation assembly 300 through the transmission connection effect between the toothed chain 240 and the driven gear 230.
As shown in fig. 1, 5 to 7, the spiral flow generating assembly 300 employed in the present invention includes a lead screw 310, a first junction shaft 320, a first seal bearing 330, a spiral flow driving wheel 340, and a disk 350. The lead screw 310 is vertically fixed in the guiding gutter 110, the first transfer shaft 320 is rotatably connected with the lead screw 310 through a first sealing bearing 330, the driven gear 230 is fixed at the lower end of the first transfer shaft 320, the wheel disc 350 is fixed at the upper end of the first transfer shaft 320, and the driven gear 230 drives the wheel disc 350 fixed on the first transfer shaft 320 to rotate together when rotating under the driving of the driving gear 220. The spiral flow driving wheel 340 is configured as shown in fig. 6, a plurality of gear teeth are disposed on the outer periphery of the spiral flow driving wheel 340, and an upper layer permanent magnetic buckle 341 and a lower layer permanent magnetic buckle 351 are respectively fixed on the opposite surfaces of the spiral flow driving wheel 340 and the wheel disc 350, and the magnetic poles of the opposite surfaces of the upper layer permanent magnetic buckle 341 and the lower layer permanent magnetic buckle 351 are opposite. The spiral flow driving wheel 340 is in threaded fit with the screw 310, an external thread is arranged on the peripheral surface of the screw 310, a screw sleeve 360 is fixed at the center of the spiral flow driving wheel 340, an internal thread in threaded fit with the screw 310 is arranged on the inner wall of the screw sleeve 360, the spiral flow driving wheel 340 is arranged above the wheel disc 350 through the screw sleeve 360, an upper permanent magnetic buckle 341 on the spiral flow driving wheel 340 is opposite to a lower permanent magnetic buckle 351 on the wheel disc 350, in the rotating process of the wheel disc 350, the upper permanent magnetic buckle 341 on the spiral flow driving wheel 340 is acted by the magnetic attraction of the lower permanent magnetic buckle 351 on the wheel disc 350 to enable the spiral flow driving wheel 340 to rotate, meanwhile, due to the threaded fit between the spiral flow driving wheel 340 and the screw 310, the spiral flow driving wheel 340 can reciprocate while rotating, the movement of the spiral flow driving wheel 340 can form spiral flows with different forms in the surrounding water area, and the form of the spiral flow is always in a changing state, and the rotation frequency and the rotation speed of the spiral flow driving wheel 340 are influenced by the flow velocity of the water flow, so that the state of the spiral flow can be automatically changed according to the flow velocity of the water flow in the water area, and the effect of removing silt on the bottom plate of the diversion trench 110 is effectively improved.
Since the silt particles contain a large amount of bacteria which affect the water quality of the water flow and can improve the biological viscosity of the silt particles, the silt particles in the water flow are more easily adhered to the diversion trench 110, and in order to improve the water quality of the water flow and reduce the adhesion of the silt particles in the water flow, the aeration assembly 500 is arranged to kill the bacteria in the water flow. As shown in fig. 1, 5, 9 and 10, the aeration assembly 500 employed in the present invention includes an elastic air bag 510, a spray head 520 and an MBR biofilm 530; the elastic air bag 510 is sleeved on the screw 310 and is in sliding fit with the screw 310, the nozzle 520 is connected to the elastic air bag 510 and is communicated with the inner cavity of the elastic air bag 510, the MBR biological membrane 530 is fixed in the diversion trench 110 and is positioned between the spiral flow generating assembly 300 and the water wheel 210, and the outlet end of the nozzle 520 is opposite to the MBR biological membrane 530; the MBR biofilm 530 is a filtering membrane having a sewage treatment effect in which a membrane separation unit is combined with a biological treatment unit. The elastic air bag 510 can draw ambient air and spray the ambient air onto the MBR biological membrane 530 through the spray head 520 to provide enough dissolved oxygen for the MBR biological membrane 530, so that a large amount of beneficial bacteria are attached to the MBR biological membrane 530, when water flows through the MBR biological membrane 530, pollutants in the water flow can be effectively degraded, the sewage is subjected to a membrane contact oxidation treatment process, the water quality is purified, the biological viscosity of silt is reduced, and therefore the silt is prevented from being adhered to the diversion trench 110.
As shown in fig. 8 and 10, the aeration assembly 500 further includes a sliding connection sleeve 540, a connection sleeve ring 550, a top lifting disk 560 and a bottom lifting disk 570, the sliding connection sleeve 540 is a cylindrical sleeve which is in sliding fit with the lead screw 310, the sliding connection sleeve 540 is fixed in the middle of the elastic air bag 510, and the elastic air bag 510 is mounted on the lead screw 310 by the sliding connection sleeve 540; the connection collar 550 is fitted over the outer circumferential surface of the elastic airbag 510, and the top elevating plate 560 and the bottom elevating plate 570 are disposed above and below the elastic airbag 510, respectively. The top lifting disk 560, the bottom lifting disk 570, the connecting collar 550 and the sliding connecting sleeve 540 are matched to form a cavity structure for accommodating the elastic airbag 510, the bottom lifting disk 570 is directly and fixedly connected to the bottom of the sliding connecting sleeve 540, and the top lifting disk 560 is in sliding fit with the sliding connecting sleeve 540 so that the top lifting disk 560 can vertically slide along the sliding connecting sleeve 540. As shown in fig. 5 and 11, a top cover 311 is fixed on the top of the screw 310, and a top pressing shaft 312 is fixed on one surface of the top cover 311 facing the elastic air bag 510, and preferably two or more top pressing shafts 312 are provided.
The elastic air bag 510 is connected with a first check valve pipe 511 and a second check valve pipe 512, and the first check valve pipe 511 and the second check valve pipe 512 are clamped on the connecting lantern ring 550 and are communicated with the inner cavity of the elastic air bag 510; one end of the second check valve tube 512, which is not connected with the elastic air bag 510, is communicated with the spray head 520; the first check valve pipe 511 and the second check valve pipe 512 are formed by connecting check valve pipe pipelines in a combined manner. The elastic air bag 510 is movably connected to the top of the spiral flow driving wheel 340, the elastic air bag 510 and the spiral flow driving wheel 340 can rotate relatively, and the elastic air bag 510 can lift on the screw rod 310 along with the spiral flow driving wheel 340; when the spiral flow driving wheel 340 rotates around the screw rod 310 and ascends, the whole aeration assembly 500 ascends under the driving of the spiral flow driving wheel 340, when the aeration assembly 500 ascends until the top lifting disc 560 contacts with the top pressing shaft 312 on the limiting top cover 311, because the top lifting disc 560 is in sliding fit with the sliding connecting sleeve 540, the top lifting disc 560 is pressed by the pressure of the top pressing shaft 312 to press the elastic air bag 510, the elastic air bag 510 is compressed after being pressed, water in the elastic air bag 510 is sprayed out through the spray head 520, and a worker can judge the sand content of water flow in the diversion trench 110 according to the water sprayed out by the spray head 520; when the top elevating plate 560 is separated from the top pressing shaft 312, the elastic air cell 510 pumps air through the first check valve pipe 511 under the action of self-restoring elastic force, and after the aeration assembly 500 descends to the water surface, the top elevating plate 560 presses the elastic air cell 510 under the action of water pressure, so that the air in the elastic air cell 510 is guided into the spray head 520 through the second check valve pipe 512, and the spray head 520 sprays the air onto the MBR biofilm 530.
In the invention, the movable connection between the elastic air bag 510 and the spiral flow driving wheel 340 is realized by matching the second sliding connection groove 571 and the second sliding connection seat 342, as shown in fig. 9, the annular second sliding connection groove 571 is concentrically arranged on the bottom surface of the bottom lifting disk 570, the second sliding connection seat 342 is fixedly connected to the spiral flow driving wheel 340 through the connection shaft 343, and the second sliding connection seat 342 is in sliding fit with the second sliding connection groove 571; the spiral flow driving wheel 340 and the aeration assembly 500 can be relatively rotated and can be synchronously lifted. In order to further limit the ascending and descending of the aeration assembly 500, so that the aeration assembly 500 is kept on the same vertical line when ascending and descending, as shown in fig. 10, the screw 310 is provided with a third sliding connection groove 313, the third sliding connection groove 313 extends along the length direction of the screw 310, a third sliding connection seat 314 is fixed on the inner side surface of the connection sleeve ring 550, and the third sliding connection seat 314 is in sliding fit with the third sliding connection groove 313, so that the aeration assembly 500 can only ascend and descend vertically along the third sliding connection groove 313.
In order to improve the number of spiral flows in the guide groove 110 and the flow-guiding and sand-discharging effects of the spiral flows, the number of the power conversion assemblies 200, the spiral flow generation assemblies 300, and the aeration assemblies 500 may be increased. The number of the power conversion assemblies 200, the spiral flow generation assemblies 300 and the aeration assemblies 500 is three according to the present invention, and the arrangement positions thereof are optimized such that the water wheels 210 of the three power conversion assemblies 200 are arranged side by side near the inlet end of the draft groove 110, and the three spiral flow generation assemblies 300 are alternately arranged in the draft groove 110; the water flow in the diversion trench 110 can form spiral flow in different ranges, the coverage of the spiral flow is wider, and the diversion and sand discharge effects are better.
Claims (10)
1. The sand equipment is arranged to water conservancy diversion, its characterized in that: comprises a flow guide assembly (100), a power conversion assembly (200) and a spiral flow generation assembly (300);
the flow guide assembly (100) comprises a flow guide groove (110) and a flow control assembly (400) fixed at the inlet end of the flow guide groove (110), and the flow control assembly (400) comprises a flow control plate (410) arranged at the inlet end of the flow guide groove (110) in a lifting manner;
the power conversion assembly (200) comprises a water wheel (210), a driving gear (220) and a driven gear (230), the water wheel (210) is rotatably arranged in the diversion trench (110), the driving gear (220) is fixedly connected with the water wheel (210), the driven gear (230) is fixed on the spiral flow generation assembly (300), and the driving gear (220) is in transmission fit with the driven gear (230);
the spiral flow generating assembly (300) comprises a lead screw (310), a first transfer shaft (320), a first sealing bearing (330), a spiral flow driving wheel (340) and a wheel disc (350), the lead screw (310) is vertically fixed in the diversion trench (110), the first transfer shaft (320) is rotatably connected with the lead screw (310) through the first sealing bearing (330), the wheel disc (350) and a driven gear (230) are respectively fixed at the upper end and the lower end of the first transfer shaft (320), the spiral flow driving wheel (340) is in threaded fit with the lead screw (310) and is positioned above the wheel disc (350), corresponding upper permanent magnetic buckles (341) and lower permanent magnetic buckles (351) are respectively fixed on opposite surfaces of the spiral flow driving wheel (340) and the wheel disc (350), and magnetic poles of opposite surfaces of the upper permanent magnetic buckles (341) and the lower permanent magnetic buckles (351) are opposite.
2. The apparatus for diversion and sand removal of claim 1, wherein: the flow control assembly (400) further comprises a winch (420) and a retraction casing (430), wherein the winch (420) is fixed to the top of the inlet end of the diversion trench (110) and is connected with the flow control plate (410) through an anchor cable; a cavity for inserting the flow control plate (410) is arranged in the retraction casing sleeve (430), the retraction casing sleeve (430) is fixedly connected to the bottom of the inlet end of the guide groove (110), and the inlet end of the guide groove (110) is provided with a lifting channel (111) for the flow control plate (410) to pass through; the edge of the flow control plate (410) is provided with a first sliding connecting groove (411), and the first sliding connecting groove (411) is connected with a first sliding connecting seat (440) in a sliding way; the side surface of the first sliding connection seat (440) is fixedly connected with the diversion trench (110), and the bottom surface of the first sliding connection seat (440) is connected with the flow control plate (410) through a support spring (450).
3. The apparatus for diversion and sand removal of claim 1, wherein: a driving gear (220) and a driven gear (230) in the power conversion assembly (200) are in transmission connection through a toothed chain (240), and the toothed chain (240) is in transmission meshing with the driving gear (220) and the driven gear (230) respectively; fixedly connected with second switching axle (250) on driving gear (220), second switching axle (250) and water wheels (210) fixed connection, cup jointed second sealed bearing (260) on the outer peripheral face of second switching axle (250), the outer lane joint of second sealed bearing (260) is on guiding gutter (110).
4. The apparatus for diversion and sand removal of claim 1, wherein: the spiral flow generating assembly (300) further comprises a screw rod sleeve (360), wherein an external thread is arranged on the surface of the screw rod (310), an internal thread in threaded fit with the screw rod (310) is arranged on the inner wall of the screw rod sleeve (360), and the screw rod sleeve (360) is sleeved on the screw rod (310); the spiral flow driving wheel (340) is sleeved on the screw rod sleeve (360) and is fixedly connected with the screw rod sleeve (360).
5. The flow-guiding and sand-discharging device as recited in claim 1, wherein: the aeration component (500) comprises an elastic air bag (510), a spray head (520) and an MBR biological membrane (530), wherein the elastic air bag (510) is arranged on the lead screw (310) and is in sliding fit with the lead screw (310), the spray head (520) is connected to the elastic air bag (510) and is communicated with the inner cavity of the elastic air bag (510), the MBR biological membrane (530) is fixed in the diversion trench (110) and is positioned between the spiral flow generating component (300) and the water wheel (210), and the outlet end of the spray head (520) is opposite to the MBR biological membrane (530); a limiting top cover (311) is fixed at the top of the screw rod (310), and a top pressing shaft (312) is fixed on one surface of the limiting top cover (311) facing the elastic air bag (510); the elastic air bag (510) is movably connected to the top of the spiral flow driving wheel (340), and the spiral flow driving wheel (340) can drive the elastic air bag (510) to ascend together when ascending along the screw rod (310).
6. The flow-guiding and sand-discharging device as recited in claim 5, wherein: the aeration assembly (500) further comprises a sliding connection sleeve (540), a connection sleeve ring (550), a top lifting disc (560) and a bottom lifting disc (570); the sliding connecting sleeve (540) is sleeved on the lead screw (310) and is in sliding fit with the lead screw (310), and the elastic air bag (510) is fixedly connected to the outer peripheral surface of the sliding connecting sleeve (540); the top lifting disc (560) and the bottom lifting disc (570) are respectively sleeved at the top and the bottom of the sliding connecting sleeve (540) and form a cavity structure for accommodating the elastic air bag (510) together with the connecting sleeve ring (550), and the top lifting disc (560) is in sliding fit with the sliding connecting sleeve (540).
7. The apparatus for diversion and sand removal of claim 6, wherein: the air bag further comprises a first check valve pipe (511) and a second check valve pipe (512) which are connected to the elastic air bag (510), wherein the first check valve pipe (511) and the second check valve pipe (512) are clamped on the connecting lantern ring (550) and are communicated with the inner cavity of the elastic air bag (510); one end of the second one-way valve pipe (512), which is not connected with the elastic air bag (510), is communicated with the spray head (520).
8. The apparatus for diversion and sand removal of claim 6, wherein: a second sliding connecting groove (571) is formed in the bottom surface of the bottom lifting disc (570), and the second sliding connecting groove (571) is an annular groove concentric with the bottom lifting disc (570); the top surface of the spiral flow driving wheel (340) is fixedly connected with at least one second sliding connection seat (342), and the second sliding connection seat (342) is arranged in a second sliding connection groove (571) and is in sliding fit with the second sliding connection groove (571); the spiral flow driving wheel (340) is fixedly connected with the second sliding connection seat (342) through a connection shaft (343).
9. The apparatus for diversion and sand removal of claim 6, wherein: the surface of the screw rod (310) is provided with a third sliding connecting groove (313), and the third sliding connecting groove (313) extends along the length direction of the screw rod (310); and a third sliding connection seat (314) is connected in the third sliding connection groove (313) in a sliding manner, and the third sliding connection seat (314) is fixedly connected with the inner side surface of the connection sleeve ring (550).
10. A flow-guiding and sand-discharging apparatus as claimed in any one of claims 5 to 9, wherein: the number of the power conversion assemblies (200), the number of the spiral flow generation assemblies (300) and the number of the aeration assemblies (500) are three; the water wheels (210) in the three power conversion assemblies (200) are arranged side by side close to the inlet end of the diversion trench (110), and the three spiral flow generation assemblies (300) are arranged in the diversion trench (110) in a staggered mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111186959.5A CN113931138B (en) | 2021-10-12 | 2021-10-12 | Flow guiding and sand discharging equipment |
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| CN202111186959.5A CN113931138B (en) | 2021-10-12 | 2021-10-12 | Flow guiding and sand discharging equipment |
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| CN113931138B true CN113931138B (en) | 2022-08-30 |
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| JPH09235751A (en) * | 1996-03-01 | 1997-09-09 | Ube Ind Ltd | Dredging and discharging device |
| CN211774045U (en) * | 2019-12-04 | 2020-10-27 | 王振标 | Sediment discharging device for hydraulic engineering |
| CN111851627A (en) * | 2020-07-24 | 2020-10-30 | 合肥江河建筑有限公司 | Drainage ditch dredging structure and construction method thereof |
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