31results about How to "Improve mud discharge effect" patented technology

The invention discloses a mud scrapper applicable to a detention pool, comprising a track (2), a frame (3), wheels (4), a connecting rod mechanism (5) on the frame (3) and a rope (7); wherein each wheel (4) is rotatablely positioned at one side of a corresponding supporting plate (32) by an axle (41); the connecting rod mechanism (5) comprises at least two driven pulling rods (53) that pass through and are arranged at corresponding axles (41) respectively, at least two connecting plates (52) connecting a front and a rear driven pulling rods (53) and a driving pulling rod (51), in addition, the driving pulling rod (51) is pulled by the rope (7), the rope (7) parallels to the track (2), while the mud scrapper (6) is arranged at the bottom of the driven pulling rods (53). Compared with the prior art, in the invention the rope pulls the connecting mechanism and drives the mud scrapper arranged on the connecting mechanism to touch the bottom of the pool body, meanwhile, by the pulling of the rope, the frame can walk along the track, therefore, the mud scrapper can continuously scrap and collect the mud-like deposits at the bottom of the pool body.

The invention provides a regulation pot which is used for oil-containing sewage treatment. The regulation pot includes an input pipe, a pot body and an output pipe which is connected to the pot body. An internal cylinder is arranged in the pot body, is connected to the input pipe, and is provided with a flow guiding part which guides oil-containing sewage from the internal cylinder to the pot body, a filtering device and a first sludge discharging pipe which is connected to the internal cylinder. The output pipe includes a plurality of oil discharging pipes which are arranged on the top of the regulation pot, a second sludge discharging pipe which is arranged on the bottom of the regulation pot and a water discharging pipe which is disposed between the oil discharging pipes and the second sludge discharging pipe. The regulation pot is simple in structure design, is good in an oil-removing effect and an sludge-discharging effect and has a homogenization function.

The invention discloses an integrated sewage treatment device. The integrated sewage treatment device comprises a shell, wherein an anaerobic pool, a contact oxidation pond I, a primary anoxic pond, acontact oxidation pond I, a secondary anoxic pond, a contact oxidation pond III and a settling tank are successively arranged in the shell, and are successively connected through flow guiding tubes.The shell is provided with a water inlet tube, and the water inlet tube is separately connected with the anaerobic pool, the primary anoxic pond and the secondary anoxic pond in parallel; the bottom of the contact oxidation pond I, the bottom of the contact oxidation pond II and the bottom of the contact oxidation pond III are separately connected with aeration; a sludge discharge pipeline is arranged in the settling tank, and an outlet of one end of the sludge discharge pipeline is connected with the anaerobic pool; an outlet of the other end of the sludge discharge pipeline is connected witha sludge collecting pond; the upper side of an inlet of the bottom of the sludge discharge pipeline is connected with an air-lift pipe with an upward outlet, and under driving of negative pressure ofair, sludge on the bottom of the settling tank is discharged from the sludge discharge pipeline. The integrated sewage treatment device is low in energy consumption, high in production efficiency andgood in treatment effect.

The invention discloses an efficient hydraulic circulation clarifier and aims to provide a circulation clarifier which is high in operation stability, reduces chemical and energy consumption, can better adapt to changes of water volume and water quality during actual operation and reduces operation cost of water treatment facilities. The efficient hydraulic circulation clarifier adopts a method implemented according to the following steps: firstly, raw water enters a water inlet pipe at the clarifier bottom, is sprayed into a Venturi tube at a high speed through a spray nozzle and a horn mouth, so that vacuum is formed near the horn mouth in the lower part of the Venturi tube and sucks a large amount of backflow sludge, the backflow sludge and the raw water mix and react fiercely in the Venturi tube, and then a product enters a first flocculation basin and a second flocculation basin; a sludge and raw material mixed solution overflowing from the second flocculation basin is subjected to sludge-water separation in a separation chamber in a settling region, clear water moves upwards and is collected by a water collection tank and drained outward, one part of the settled sludge enters an automatic sludge discharge pipe, and the other part of the settle sludge is sucked by the Venturi tube, enters a reaction system and is recycled continuously.

The invention discloses a novel vertical flow type sedimentation tank. A flow guide plate is distributed on the surface of a tapered sludge bucket of the sedimentation tank and then a flow guide groove is formed; a porous water distribution disturbance pipe is distributed in the flow guide groove. According to the novel vertical flow type sedimentation tank disclosed by the invention, the flowability of sludge deposited on the surface of the tapered sludge bucket is strengthened through a disturbance effect of the porous water distribution disturbance pipe, so that the sludge can slip to the bottom of the tapered sludge bucket better. The novel vertical flow type sedimentation tank disclosed by the invention has the advantages of simple structure and convenience for implementation; the sludge is not accumulated in the sedimentation tank and the sludge discharging effect is good.

The invention disclosed belongs to the technical field of sewage collection tanks, and is specifically a sewage collection tank with an automatic start-stop pumping function, including a primary sedimentation tank, a tertiary treatment tank, a secondary sedimentation tank and a tertiary sedimentation tank. The first pumping pipe is installed on the right side of the first-level settling tank, the top of the three-level treatment tank is equipped with a second-level treatment tank, and the top of the second-level treatment tank is equipped with a first-level treatment tank. The present invention uses the traditional three The treatment tank is changed to a gradient potential treatment tank, which not only saves the floor area, but also facilitates the circulation of sewage through sufficient water pressure, and through the treatment tank with increasing volume, it is convenient for a part of the sediment to settle in the bottom of the three tanks driven by the water flow In the first-level treatment tank, and by installing a float switch in the sedimentation tank, it is convenient to automatically start and stop the pumping function to prevent the long-term operation of the pump, and to increase the mud discharge effect of the sedimentation tank by installing a rotating disc and a mud scraper. Prevent clogging.

The invention provides a regulation pot which is used for oil-containing sewage treatment. The regulation pot includes an input pipe, a pot body and an output pipe which is connected to the pot body. An internal cylinder is arranged in the pot body, is connected to the input pipe, and is provided with a flow guiding part which guides oil-containing sewage from the internal cylinder to the pot body, a filtering device and a first sludge discharging pipe which is connected to the internal cylinder. The output pipe includes a plurality of oil discharging pipes which are arranged on the top of the regulation pot, a second sludge discharging pipe which is arranged on the bottom of the regulation pot and a water discharging pipe which is disposed between the oil discharging pipes and the second sludge discharging pipe. The regulation pot is simple in structure design, is good in an oil-removing effect and an sludge-discharging effect and has a homogenization function.

The invention provides a walking type sludge suction device for wastewater treatment and belongs to the technical field of sewage treatment. A plurality of sludge suction branch pipes are arranged atthe bottom in a tank body; the lower part of each sludge suction branch pipe is communicated with a plurality of sludge suction openings; the upper part of each sludge suction branch pipe is connectedwith an inlet of a sludge suction pump through a pipeline; an outlet of the sludge suction pump is connected with sludge suction general pipes; each sludge suction general pipe is communicated with asludge discharging pipe; an outlet end of the sludge discharging pipe is located at the outer part of the tank body; the sludge suction pump is fixed on a pump supporting platform; the pump supporting platform is fixed on a transverse pipeline bracket; the sludge suction branch pipes are erected on the transverse pipeline bracket. According to the walking type sludge suction device, a walking type sludge suction vehicle is adopted and is operated under water, so that the walking type sludge suction device can reach any part of a tank bottom and can walk and suck sludge at the same time; the problem of cleaning the sludge at the tank bottom can be completely solved and the complete sludge discharging effect is realized, so that the practicability is stronger.

The invention discloses a center driving thickener, which comprises a sedimentation basin. A drive unit is arranged at the center of the sedimentation basin and fixed on a working platform above the sedimentation basin. The drive unit is connected to a center spindle, the upper part of which is connected with a steady flowing barrel and the lower part of which is connected with a scraper rack. A water inlet pipe is communicated with the steady flowing barrel through the center spindle. The upper end of the steady flowing barrel is provided with an overflow pipe. The bottom of the scraper rack is connected with a scraper. The bottom of the sedimentation basin is equipped with a sludge discharge port. In comparison with the prior art, the invention has the following advantages: the equipment of the invention is power-saving than equipment of the same specification; concentration of discharged sludge is high and the sludge discharge effect is good; the scraper structure is simple, and obstruction is not easily caused; operation is safe and reliable; and noise is low.

The invention relates to the field of sewage treatment, and discloses a sewage treatment device for an urban river channel. The device comprises a precipitation tank provided with a mud discharge pipe, wherein a mud discharge mechanism is arranged in the precipitation tank, and comprises a transversely arranged mud storage pipeand two mud guide plates, a mud inlet extending in the length directionof the mud storage pipe and provided with an upward opening is formed in the upper side wall of the mud storage pipe, the lower ends of the two mud guide plates are respectively fixed at the two sides of the mud inlet, a mud blocking pipe arranged coaxial with the mud storage pipe and capable of rotating is inserted into the side wall of the mud storage pipe, a mud passing opening capable of being matched with the mud inlet is formed in the side wall of the mud blocking pipe, the mud discharge mechanism further comprises a mud scraping plate arranged in the mud storage pipe and capable of moving in the length direction of the mud storage pipe, and a pull rod capable of extending out of the mud discharge pipe is arranged on the mud scraping plate. According to the invention, the lower portion of the precipitation tank is designed into the sludge precipitation and sludge discharge structure with the special structure, so that the sludge at the lower portion of the precipitation tank canbe comprehensively discharged so as to achieve the ideal sludge discharge effect.

The invention discloses a water purification device a using membrane filtration process. The water purification device comprises: a filter tank, which comprises a filtration zone and a sludge collection zone; a filtering membrane, which is arranged in the filtering zone; a filter material layer, which is arranged in the filtration zone and internally provided with a plurality of cleaning members;and a backwashing unit, which comprises a flushing assembly used for enabling the filtering membrane to discharge water from interior to exterior and a gas source assembly used for conveying gas intothe filtration zone. The cleaning members can disorderly impact the filtering membrane in a rolling manner under the action of air flow and / or water flow so as to realize cleaning of the filtering membrane; through the arrangement of the cleaning members, cleaning effect on the filtering membrane is better, cleaning efficiency is high, the consumption of water resources and energy sources is reduced, pollution to water quality and environment is avoided, and the damage rate of the filtering membrane is reduced; and the filter material layer enables better water purification effect to be obtained, prolongs the service life of the filtering membrane, and reduces the backwashing frequency of the filtering membrane.

The invention discloses a mud discharging system for a sedimentation tank, wherein the mud discharging system includes a mud discharging main pipe and a plurality of mud discharging branched pipes connected with the mud discharging main pipe; the mud discharging system is characterized in that at least one inserting port is arranged at each mud discharging branched pipe and is used for connectinga group of rotary mud discharging device; each rotary mud discharging device includes a first perforated mud discharging pipe and a second perforated mud discharging pipe which are arranged at two sides of the inserting ports respectively; opening holes of each first perforated mud discharging pipe and each second perforated mud discharging pipe face to two sides respectively; a suction force generated by the rotary mud discharging devices during mud discharging pushes the perforated mud discharging pipes to form automatic rotation. The system is mainly applied in a water treatment sedimentation tank; through arrangement of the rotary mud discharging pipes at the bottom of the tank, the suction force generated during single-side mud discharging is used for driving the mud discharging pipesto rotate, the mud discharging area is enlarged, the mud discharging effect of the sedimentation tank is improved, and the water quality of effluent is avoided from being affected by mud deposits atthe bottom of the sedimentation tank.

The invention discloses a kitchen waste water pretreatment, coagulation and sedimentation integrated device and method. The device is sequentially provided with a coagulation and flocculation basin, a buffer sedimentation basin and a sludge sedimentation basin according to the flow direction of waste water; the wastewater in the coagulation and flocculation basin overflows into a buffer sedimentation basin; an inclined plane is arranged at the bottom of the buffer sedimentation tank, a silt scraper is arranged in the buffer sedimentation tank, a side wall plate is arranged between the buffer sedimentation tank and the sludge sedimentation tank, the upper edge of the side wall plate is a water channel opening, and the lower edge of the side wall plate and the edge of the inclined plane form a silt channel opening; the silt scraper is matched with the inclined surface, so that silt on the inclined surface enters the sludge sedimentation tank through the silt channel opening; a water outlet of the sedimentation tank is an overflow port, and an effluent weir is arranged on the sedimentation tank and is positioned on the water outlet side of the sedimentation tank. The device is not only suitable for coagulating sedimentation of the kitchen waste water, but also can integrate pretreatment and coagulating sedimentation of the kitchen wastewater.

Provided is a pneumatic tire capable of improving noise performance and wet performance while maintaining steering stability. Disclosed is a pneumatic tire wherein: center blocks 20 and shoulder blocks 21 are partitioned by a circumferential-direction groove 10 extending in the tire circumferential direction, a plurality of inner slanted grooves 11 that communicate with the circumferential-direction groove 10 while slanting in one direction with respect to the tire circumferential direction, and a plurality of outer slanted grooves 12 that communicate with the inner slanted grooves 11 while slanting in another direction with respect to the tire circumferential direction; the pitch of each repeating element consisting of these grooves and blocks changes along the tire circumferential direction; the circumferential-direction groove 10 is constituted by a plurality of wide-width parts 10A and a plurality of narrow-width parts 10B arranged alternately in the tire circumferential direction;the inner slanted grooves 11 communicate with the wide-width parts 10A; and, the smaller the pitch of the repeating element is, the smaller the slanting angle theta formed between the tire circumferential direction and an imaginary line L connecting the respective centers of opening ends of a pair of said inner slanted grooves 11, 11 that is in communication with said wide-width part 10A.

The invention provides a sloping plate sedimentation tank for lateral rotational flow sludge discharge, relating to a sedimentation tank. The invention solves the problem of poor sludge discharge effects of the existing sloping plate sedimentation tanks. A plurality of sedimentation plates are slantwise arranged in parallel in a tank body at a certain interval from top to bottom, wherein the angleof inclination alpha of each sedimentation plate corresponding to the horizontal plane ranges from 50 degrees to 70 degrees, and each sedimentation plate is perpendicular to tank walls on both sidesof the tank body; a plurality of sludge guide plates are slantwise arranged in parallel in the tank body at a certain interval from top to bottom, the angle of inclination beta of each sludge guide plate corresponding to the horizontal plane ranges from 45 degrees to 90 degrees, each sludge guide plate is perpendicular to the front tank wall and the rear tank wall of the tank body, and baffle plates are arranged on one sides of the plurality of sludge guide plates and are vertically connected with the sludge guide plates; and other sides of the sludge guide plates are connected with the lowerends of the sedimentation plates. Large and small floccule bodies formed on adjacent sloping plate sedimentation units by sedimentation flow into a corresponding trough-like passage along the inclinedsedimentation plates, and the lateral flow speed of water currents is utilized to cause the large floccule bodies to rotationally flow downwards, thereby greatly enhancing the effect of sludge discharge.

The invention provides a sludge diversion type sewage purification device which comprises a sewage pipe, a sleeve, a grating opening, a deslagging mechanism, a cylinder, a central pipe, a central rod, a driving device, a drainage pipe, a first spiral blade, a second spiral blade, a rotating frame, a rotating rod with a third spiral blade, a transmission mechanism and a sludge discharging mechanism, a deslagging mechanism on a sewage pipe is matched with a grating opening to filter impurities, filtered water is injected into a barrel through a water outlet pipe and a central pipe, a driving device drives a central rod to drive a rotating frame to rotate and is matched with a transmission mechanism to drive a rotating rod on the rotating frame to rotate, and the rotating rod drives a third spiral blade to rotate and revolve at the same time; the sewage treatment device has the advantages that silt particles are refined to improve the flowability of sewage, the first spiral blade and the second spiral blade on the center rod rotate to guide flow, a certain anti-blocking effect is achieved, the sewage treatment device can be matched with a sludge discharge mechanism to remove sludge in the sewage, and the sewage treatment device has good anti-blocking performance and sludge discharge effect.

The invention discloses a tread structure of an all-weather all-season tire. The tread structure mainly comprises duplicate pitches; each pitch comprises a unit I, a unit II, a unit III, a unit IV and a unit V which are arranged in sequence; each unit adopts a dry-land pattern block and a wet-land pattern block which are alternately distributed in the vertical direction; the dry-land pattern blocks and the wet-land pattern blocks between every two adjacent units are also alternately distributed in the transverse direction, and part of the dry-land pattern blocks and the wet-land pattern blocks are staggered. The tread structure integrates the advantages of a summer tire and a winter tire, and can exert the excellent grip on dry land, wet land and a snowfield; on the dry land, the dry-land pattern blocks play a leading role; on the wet land or the snowfield, the wet-land pattern blocks play a leading role; the dry-land pattern blocks and the wet-land pattern blocks are alternately distributed in both the transverse and vertical directions, and simultaneously exert the grip when the all-weather all-season tire gets in contact with the ground; transverse and vertical grooves in each unit are communicated, and sludge discharge channels are formed among the paths, so as to improve the sludge discharge effect; the all-weather all-season tire has the characteristic of being excellent in grip, traction and sludge discharge performance.

The invention relates to an automatic sludge-sucking device for a pre-sedimentation tank and a method of the device. The device includes the pre-sedimentation tank, one end of the pre-sedimentation tank is provided with a water inlet, and the other end is provided with a water outlet; the water inlet of the pre-sedimentation tank is sequentially provided with a first submerged overflow weir and aperforated tracery wall, and the water outlet of the pre-sedimentation tank is provided with a second submerged overflow weir; the bottom of the part, between the first submerged overflow weir and theperforated tracery wall, of the pre-sedimentation tank is provided with a dustpan bucket, and the interior of the dustpan bucket is connected with a water suction pipe passing through the dustpan bucket; the bottom of the part, facing the perforated tracery wall, of the second submerged overflow weir of the pre-sedimentation tank is provided with a sludge pit, the interior of the sludge pit is connected with a sludge discharge pipe passing through the sludge pit, and the other end of the sludge discharge pipe is connected to a sludge discharge ditch; and the bottom of the pre-sedimentation tank has a downwardly inclined slope from the perforated tracery wall to the second submerged overflow weir. Through the device provided by the invention, sludge sediment at a key sedimentation parte issucked while sludge is settled, so that the sludge discharging costs are saved, the sludge discharging efficiency is improved, and the sludge discharging effect is improved.

A sludge storage pool comprises a pool body, a cross beam, a pool cover, a hoisting device and a sludge discharging device. The bottom face of the pool body is a cylinder face in the horizontal direction. The side faces of the pool body are located at the two axial ends of the pool body. A feeding port is formed in the section of the top of the pool body in the horizontal axial direction. The cross beam is fixed to the feeding port in the top of the pool body in the axial direction. The pool cover is movably hinged to the cross beam. The edge of the pool cover is attached to the inner wall of the pool body. The hoisting device used for hoisting, opening and closing the pool cover is arranged above the feeding port of the pool body. A groove is formed in the inner bottom face of the pool body in the axial direction and internally provided with the slurry discharging device emptying sludge in the pool body. The sludge discharging device comprises a spiral conveyor axially fixed to the inner bottom face of the pool body, and a sludge discharging pipeline communicated with the spiral conveyor is arranged outside the pool body. The pool cover is overturned through gravity without external force, the energy saving effect is obvious, sealing strips are arranged on the edge of the pool cover, and sludge scraping can be achieved during sealing. The spiral conveyor is matched, and sludge accumulation is effectively prevented.

The invention discloses an efficient, movable and integrated sewage treatment device which is characterized in that the device comprises a shell and a shell inner area in the shell, a chemical feedingarea, a pretreating area, a sedimentation area, a filtering area, a sludge absorption area and a water discharging weir area are sequentially arranged in the shell inner area, the chemical feeding area is connected with the pretreating area through a chemical feeding pipe and positioned above the pretreating area, the sedimentation area, the filtering area and the sludge absorption area are positioned on the right side or left side of the pretreating area, the sedimentation area is positioned above the filtering area, partition plates are arranged between the pretreating area and the sedimentation area and between the sedimentation area and the filtering area, and the water discharging weir area is positioned on the rear of the filtering area and the sedimentation area and connected withthe filtering area and the sedimentation area through water discharging main pipes. The device is high in impact-resistant load ability and stability, rapid in treatment, small in occupied area, easyto construct, low in energy consumption, good in sludge discharging effect and discharged water quality and suitable for popularization and application in sewage treatment of the areas with dispersedpollution sources.

Provided is a pneumatic tire capable of improving uneven-wear resistance and driving performance on muddy road surfaces, and achieving both these properties in a balanced manner. A plurality of firstlug grooves (11) and a plurality of second lug grooves (12) shorter than the first lug grooves (11) are provided alternately along the tire circumferential direction in a shoulder region of a tread part (1). A first connection groove (21) that connects the second lug groove (12) and a tip end part of the first lug groove (11) is provided, and a second connection groove (22) that connects the firstlug groove (11) and a tip end part of the second lug groove (12) is provided. An angle THETA 1 of the first connection groove (21) is greater than an angle THETA 2 of the second connection groove (22). A tire-widthwise inner end part of each of a plurality of first shoulder blocks (31) each partitioned by the first lug groove (11), the second lug groove (12), and the first connection groove (21)is arranged closer to the tire equator CL than a tire-widthwise inner end part of each of a plurality of second shoulder blocks (32) each partitioned by the first lug groove (11), the second lug groove (12), and the second connection groove (22). Each of the first and second shoulder blocks (31, 32) is provided with a traversal groove (31a, 32a) that traverses the block while being slanted with respect to the tire circumferential direction.

The invention discloses a mud scrapper applicable to a detention pool, comprising a track (2), a frame (3), wheels (4), a connecting rod mechanism (5) on the frame (3) and a rope (7); wherein each wheel (4) is rotatablely positioned at one side of a corresponding supporting plate (32) by an axle (41); the connecting rod mechanism (5) comprises at least two driven pulling rods (53) that pass through and are arranged at corresponding axles (41) respectively, at least two connecting plates (52) connecting a front and a rear driven pulling rods (53) and a driving pulling rod (51), in addition, the driving pulling rod (51) is pulled by the rope (7), the rope (7) parallels to the track (2), while the mud scrapper (6) is arranged at the bottom of the driven pulling rods (53). Compared with the prior art, in the invention the rope pulls the connecting mechanism and drives the mud scrapper arranged on the connecting mechanism to touch the bottom of the pool body, meanwhile, by the pulling of the rope, the frame can walk along the track, therefore, the mud scrapper can continuously scrap and collect the mud-like deposits at the bottom of the pool body.

The invention discloses a tire shoulder pattern structure for a tire. Pattern blocks with interval distribution of grooves and bocks are formed at two sides of a tread in the peripheral direction, wherein the tire shoulder pattern blocks extend to patterns at the upper tire side; a mud advance traction groove and a mud back-up traction groove are formed in a front and back manner; the shapes of the tire shoulder pattern blocks at the left side and the right side of the tread are in positive or reverse symmetric arrangement about the axial direction of the tire; the mud advance traction groove is formed by at least one segment of arc from the outer edges and one lateral edges of the tire shoulder pattern blocks to the pattern blocks; the mud back-up traction groove is formed by at least one segment of arc from the outer edges and the other lateral edges of the tire shoulder patter blocks to the pattern blocks. Therefore, the traction performance, the cooling effect and the mud discharge performance of the tire are effectively improved by the tire shoulder patterns formed by the tire shoulder pattern blocks; and meanwhile, the aesthetic property of the tire is enhanced.

The invention relates to a centrally-driven flow stabilization mud scraper. The flow stabilization mud scraper is arranged on a sedimentation tank in a spanned mode. The mud scraper includes a slag discharge hopper, a slag skimming device, a mud scraping mechanism, a flow stabilization cylinder, a central transmission frame, a driving mechanism, a maintenance bridge, a plurality of scum baffles and a plurality of water outlet weir plates, wherein the plurality of scum baffles and the plurality of water outlet weir plates are arranged around the wall of the sedimentation tank, a sludge discharge port is arranged at the lower part of the central transmission frame, the bottom of the sedimentation tank is provided with a water inlet, the slag discharge hopper is arranged at the upper part ofthe sedimentation tank, the slag discharge hopper is connected with a slag discharging pipe to communicate with the outside of the sedimentation tank, the slag skimming device is arranged on the surface of the water flow of the sedimentation tank, the lower part is connected to the mud scraping mechanism, the driving mechanism controls the central transmission frame to stably rotate, the mud scraping mechanism includes scraper arms and a scraper plate, and the scraper plate is connected to the lower parts of the scraper arms to cling to the bottom of the sedimentation tank. The centrally-driven flow stabilization mud scraper has the advantages of simple structure, large transmission torque, stable and balanced operation, good flow stabilization effects, good sludge discharge effects, prevention of scum accumulation and long service life.

The invention relates to a drilling device for oil exploration. The drilling device comprises a connecting rod, a first rotating rod, a second rotating rod and a connecting mechanism, wherein the connecting mechanism comprises a driven assembly and a limiting assembly. According to the drilling device for oil exploration, the first rotating rod and the second rotating rod are rotated through the connecting mechanism, when the first rotating rod rotates forwards, the second rotating rod is rotated reversely through the driven assembly, meanwhile, the second rotating rod is accelerated, so that the second rotating rod can better realize hole rotation, a pull rope is always in a tightened state through the restoring force of a torsional spring; meanwhile, the first rotating rod and the second rotating rod are elastically fixed through an abutting assembly, so that the use practicability is improved; and moreover, the soil can be cut through the opposite rotating directions of the first rotating rod and the second rotating rod, so that the soil can be better absorbed by an air pipe, and the mud discharging effect is improved.

The invention discloses a membrane filtration method water purification device, which comprises a filter pool, including a filtration area and a mud collection area; a filter membrane, which is arranged in the filter area; and a filter material layer, which is arranged in the filter area. There are multiple cleaning parts in the material layer; the backwashing device includes a flushing assembly for allowing the filter membrane to discharge water from the inside to the outside and a gas source assembly for delivering gas to the filter area; the cleaning parts Under the action of air flow and / or water flow, the filter membrane can be tumbling and impacted in disorder, and then the filter membrane can be cleaned; the present invention can achieve better cleaning effect on the filter membrane through the arrangement of cleaning parts, high cleaning efficiency, and reduced It reduces the consumption of water resources and energy, avoids water quality and environmental pollution, and reduces the damage rate of the filter membrane; the filter material layer makes the water purification effect better, prolongs the service life of the filter membrane, and reduces the filter membrane. backwash frequency.